PIG FEED MILL

No two pig feed projects are exactly the same.A piglet feed producer focusing on 2 mm pellets faces very different processing requirements than a commercial feed company manufacturing grower and finisher feed at 30 T/H. The equipment may look similar from the outside, but the grinding fineness, batching accuracy, conditioning process, automation level, and factory layout can be completely different.

That is why every pig feed mill we build starts with the customer’s feed products, raw materials, market objectives, and future expansion plans—not with a standard machine list.

What Production Capacities Can Be Supported?

RICHI can provide customized pig feed mill solutions ranging from small-scale operations to large industrial feed complexes:

Investment budgets typically range from USD 10,000 to USD 5,000,000+, depending on capacity, automation level, storage requirements, and auxiliary systems.

What Products Can Be Manufactured?

A modern pig feed mill is usually designed to produce multiple products rather than a single formula.

Common products include:

• Piglet feed pellets
• Creep feed
• Starter pig feed
• Grower pig feed
• Finisher pig feed
• Sow feed
• Pig concentrate feed
• Pig premix feed
• Powder feed
• Organic pig feed
• Specialty pig nutrition products

In many projects, customers also request the ability to switch between pig feed and other livestock feeds to improve equipment utilization during seasonal demand fluctuations.

What Raw Materials Can Be Processed?

Over the years, our engineering team has designed systems for a wide range of ingredients, including:

• Corn
• Wheat
• Barley
• Soybean meal
• Rice bran
• Wheat bran
• Cassava meal
• DDGS
• Sunflower meal
• Rapeseed meal
• Fish meal
• Meat and bone meal
• Molasses
• Vegetable oils
• Premixes and additives

Some customers even incorporate local agricultural by-products that require special grinding, mixing, or liquid addition systems. These situations are often where engineering experience matters most.

The performance of a pig feed mill is determined long before the first pellet is produced.

Many investors focus on pellet mills, coolers, or packaging machines. Our engineers usually start somewhere else—raw material characteristics, feed formulations, future production targets, and plant expansion requirements. These factors determine how the entire process should be designed.

With nearly three decades of experience in feed engineering, RICHI has delivered customized pig feed mill projects ranging from compact 1 T/H production units to integrated feed manufacturing facilities exceeding 160 T/H. Today, our equipment and complete feed plants are operating across six continents, serving commercial feed producers, integrated livestock companies, agricultural cooperatives, and specialized pig nutrition manufacturers.

What Does a Complete Pig Feed Mill Process Include?

Depending on the feed type being produced, the process can include:

Many buyers start by asking about the pellet mill.

Our engineers usually ask a different question first: “What happens before and after pelleting?”

A successful pig feed mill is not built around a single machine. It is built around a complete production system where raw materials move efficiently from receiving to final packaging while maintaining feed quality, batching accuracy, and production stability.

In fact, the pellet mill itself often represents only one part of the total investment.

Core Equipment Used in a Pig Feed Mill

Depending on feed formulation, automation level, and production capacity, a typical pig feed mill may include the following equipment:

Typical Equipment Capacities Available

The equipment can be configured for projects ranging from small farm feed production to large commercial feed factories.

The actual configuration depends on the feed formula, pellet size, annual output target, and future expansion plans.

Why Equipment Selection Is About More Than Capacity

One mistake we frequently encounter is selecting equipment solely based on hourly output.

For example:

• A piglet feed plant producing 2 mm pellets may require finer grinding and more precise conditioning than a finisher feed plant running 4-6 mm pellets.
• High-fat formulas often require dedicated liquid addition systems.
• Premix-rich formulations may need additional micro-dosing equipment.
• Feed mills using rice bran, cassava meal, or high-fiber ingredients frequently require different material handling and storage solutions.

The best pig feed mill is not necessarily the one with the largest pellet machine. It is the one where every piece of equipment works together as a coordinated production system.

Is Equipment Installation Really That Important?

Absolutely.

A feed factory can have excellent equipment and still suffer from poor production performance if installation quality is neglected.

Based on our project experience, installation quality directly affects:

1. Equipment lifespan
2. Production efficiency
3. Energy consumption
4. Pellet quality consistency
5. Future maintenance costs

That is why RICHI provides support throughout the entire implementation process:

• Installation planning and scheduling
• Equipment positioning verification
• Process alignment inspection
• Electrical system coordination
• Commissioning and performance testing
• Operator training
• Final acceptance support

Every conveyor angle, hopper connection, and equipment alignment point matters. Small installation errors can create bottlenecks that remain hidden until the plant begins operating at full capacity.

Honest answer: depends on your die and roller wear. If the main gearbox and shaft are still tight, a ring die replacement and bearing overhaul can restore 80–90% of original throughput at maybe 20% of new machine cost. But if you’re chasing new pellet quality standards or higher oil inclusion rates, older conditioners can’t handle it. We see many clients swap just the conditioner and pelleting head while keeping the downstream cooler and screener — saves floor space and capital.

Most customers ask this early. You don’t have to dig a pit, but if you’re unloading bulk trucks, a receiving pit with a screw conveyor cuts unloading time by half. For bagged material operations — common in smaller 4–10 t/h plants — you can skip the pit entirely and feed directly from floor-level hoppers. One client in Vietnam ran a 15 t/h line for two years without a pit, then added one later. It’s retrofittable, just more disruptive to install after the fact.

For a 30 t/h operation: about 200,000 kWh annually. For a 60 t/h high-capacity line: 7.8 million kWh per year. The grinders eat most of it — those 200 kW hammer mills aren’t cheap to run. Here’s a tip most consultants don’t mention: if your local power rate fluctuates by time-of-day, schedule your grinding shifts during off-peak hours. We’ve helped plants cut electricity bills by 12–18% just by shifting schedules and adding a variable-frequency drive on the main fan.

Yes — significant ones. High-moisture corn (above 14%) clogs screens, reduces grinding efficiency, and messes with steam conditioning. You’ll need either a pre-dryer before the grinder or adjust your die specifications. One Philippine client running a 60 t/h pig feed mill switched from 4.0mm to 3.5mm die holes with a longer L/d ratio — solved the soft pellet problem without adding drying equipment. But it reduced throughput by about 8%. Trade-offs you need to know upfront.

Yes, but with a bypass. A 4 t/h solution we recently delivered for a Nigerian customer routes mixed mash either directly to the finished product bin (for powder) or through the conditioner, pellet mill, cooler, and screener (for pellets). The key is the diverter valve and extra conveying runs. Adds about $15,000 to equipment cost but gives you production flexibility. If you’re producing more than 30% powder, it’s worth it.

Depends on your layout, but most multi-story operations run 5 floors plus a basement for bucket elevators. A 7-story main workshop at about 30–35 meters is common for 30 t/h lines. If you’re space-constrained, you can go horizontal with a lower profile — but you’ll need more land. One client in Malaysia squeezed a 20 t/h line into a 15-meter-high building by using air conveying instead of bucket elevators for some transfers. More expensive to run, but solved their height restriction.

This is a huge pain point. Feed can degrade by 5–10% during transport if your PDI (pellet durability index) is under 90%. We’ve seen customers lose entire shipments to fines. The fix isn’t just the pellet mill — it’s the cooler. If pellets exit the cooler at above 3–5°C above ambient, they’re brittle. We always recommend a counterflow cooler with at least 4–6 minutes retention time. Some cheaper suppliers spec 2-minute coolers — avoid them.

This is where many pig feed mill plants fail quality audits. Separate dedicated lines for premix and micro-ingredients — we recommend a standalone batching system with its own dust collection. For a 60 t/h operation, we designed a premix addition room with its own airlock and bag filter. The operator scans a barcode before each addition. Reduces human error. Costs more upfront, but saves you from recall headaches later.

One-year warranty on main components — gearbox, shaft, dies (wear parts excluded). But the real value is commissioning support. We send a senior engineer for 2–3 weeks to run your first 500 tons, train your operators, and dial in the steam pressure, die gap, and cooling parameters. After that, remote support and spare parts dispatch within 48 hours. We’ve kept lines running in Indonesia, Kenya, and Peru with this model. Service doesn’t stop at delivery.

Many investors ask for equipment lists or price references, but the more useful question is this:

What does a complete 15 T/H pig feed mill actually look like when it is designed for real production?

The answer involves much more than a pellet machine. A modern pig feed mill must integrate raw material storage, batching accuracy, pelleting quality, energy efficiency, logistics flow, and future expansion capability into one coordinated system.

The example below represents a typical medium-scale commercial pig feed mill designed for the production of piglet feed, grower feed, finisher feed, and sow feed.

Typical Project Overview

*Actual investment varies depending on local labor costs, automation level, environmental requirements, and building standards.

What Raw Materials Can This Pig Feed Mill Process?

One advantage of this configuration is flexibility.

The system is designed to handle both conventional ingredients and specialty feed additives commonly used in commercial pig nutrition programs.

Typical annual consumption may include:

In practice, many customers also process DDGS, rapeseed meal, sunflower meal, cassava meal, rice bran, molasses, and enzyme preparations. Our engineers adjust the process flow according to the actual formula rather than forcing customers into a fixed configuration.

Storage & Material Handling System

Raw material logistics often determine production efficiency.

This 15 T/H pig feed mill uses:

• 3 steel silos
• Total storage capacity of approximately 1,500 tons
• Bucket elevator conveying systems
• Rotary distributors
• Automated material routing systems

For customers expecting future capacity expansion, additional silo positions can be reserved during the initial design stage.

Main Equipment Configuration

A complete pig feed mill requires much more than grinding and pelleting equipment.

Supporting Equipment

• Air compressor
• Air storage tank
• Electrical control center
• PLC automation system
• Local control cabinets
• Dust collection system
• Conveyors and elevators

For customers producing both pig feed and aquatic feed, an extrusion section can also be integrated into the same pig feed mill project.

Energy Consumption Reference

The utility requirements for a medium-sized pig feed mill are generally manageable.

*Steam demand depends heavily on conditioning requirements, feed formulas, and operating schedules.

One common mistake is underestimating steam demand during pelleting. In many pig feed projects we review, insufficient conditioning capacity becomes the first bottleneck long before the pellet mill reaches its rated output.

How Does the 15 T/H Pig Feed Mill Process Work?

The production flow is designed to maintain feed quality while minimizing waste and material loss.

Step 1 — Raw Material Reception & Cleaning

Grains such as:

• Corn
• Wheat
• Soybeans
• Barley

are first cleaned through screening and magnetic separation equipment to remove stones, metal fragments, and other impurities.

Step 2 — Grinding

The cleaned materials enter the feed hammer mill.

Particle size is adjusted according to the final product:

• Piglet feed: finer grinding
• Grower feed: medium particle size
• Finisher feed: optimized for throughput and pellet durability

Step 3 — Batching & Formula Control

Each ingredient is automatically weighed according to the feed formulation.

This stage is particularly important for:

• Amino acids
• Vitamins
• Mineral premixes
• Micro-ingredients

Even small dosing errors can affect feed performance.

Step 4 — Mixing

All ingredients are blended in a double-shaft mixer.

Liquid additions such as:

• Vegetable oil
• Water
• Molasses (if required)

can be incorporated during this stage.

Step 5 — Conditioning & Pelleting

The mixed mash enters the pig feed pellet mill where steam conditioning improves:

• Pellet durability
• Nutrient utilization
• Feed hygiene

The conditioned material is then compressed into pellets.

Step 6 — Cooling & Crumbling

Fresh pellets leave the pellet chamber at elevated temperature and moisture levels.

The pellets are cooled first and then, when producing piglet feed, processed through a three-roller crumbler to obtain smaller particle sizes.

Step 7 — Screening & Recycling

The finished product passes through a rotary screener.

Material is separated into:

• Qualified pellets
• Oversized particles
• Fine powder

Oversized particles are returned for reprocessing, while fines are recycled back into the pelleting section.

This closed-loop design improves yield and reduces raw material waste.

Step 8 — Packaging & Storage

Finished feed is automatically weighed, bagged, stitched, and transferred to storage before shipment.

Why Do Many Investors Choose This Capacity Range?

A 15 T/H pig feed mill sits in an attractive position between small regional operations and large industrial feed complexes.

It offers:

• Sufficient capacity for commercial feed sales
• Reasonable labor requirements
• Flexible feed product options
• Expandable plant design
• Manageable investment levels

Most importantly, it provides enough scale to support multiple products—including piglet feed, grower feed, finisher feed, sow feed, and even specialty feeds—without the complexity of a very large feed manufacturing facility.

For customers evaluating a new pig feed mill project, our engineering team can customize the process flow, equipment configuration, automation level, storage system, and factory layout according to available raw materials, target market demand, and long-term expansion plans. This is why no two RICHI pig feed mill projects are exactly the same.

A 4 T/H pig feed mill is a complete, fully integrated feed production solution designed for medium-scale commercial pig farms and feed producers. The system below is a typical turnkey project delivered by RICHI MACHINERY, covering raw material handling, grinding, batching, pelleting, cooling, and automated packaging.

1. Project Overview

2. Raw & Auxiliary Material Consumption

This pig feed mill is designed for flexible formulations based on local ingredient availability:

• Corn: main energy source
• Soybean meal: main protein source
• Bran: ~6,650 t/year
• Soybean oil (liquid fat addition system): ~700 t/year
• Trace elements premix: ~1,400 t/year
• Mineral additives (lime, salt, phosphate, etc.): ~1,400 t/year

The formulation system is fully adjustable depending on pig growth stages (starter, grower, finisher feed).

3. Main Equipment Configuration

A modern pig feed mill like this integrates automation and high-efficiency processing equipment:

• Scraper conveyor system
• Bucket elevator system
• Air compression system
• Microcomputer automatic control center (PLC system)
• Double-cylinder pre-cleaning screen
• Rotary distributor
• Liquid addition & fat spraying system
• Hammer crusher / feed grinder
• Automatic batching scale system
• Double-shaft high-efficiency mixer
• Pig feed granulator (ring die pellet mill)
• Pellet cooler
• Crumbler (for starter feed pellets)
• Rotary grading screen
• Automatic packing scale
• Natural gas boiler system

4. Pig Feed Mill Process Flow (Optimized Design)

Step 1: Raw Material Receiving & Cleaning

• Raw materials such as soybean meal and corn are discharged into a receiving pit
• Transported by scraper conveyor to double-cylinder pre-cleaning screen
• Removes impurities (stones, fibers, oversized particles)
• Clean materials are stored in steel silos or raw material bins

Step 2: Grinding (Size Reduction Section)

• Corn and soybean meal are sent to the hammer mill
• Achieves uniform particle size for better digestion in pigs
• Ground materials are transferred via sealed screw conveyor + bucket elevator
• Stored in batching bins for next stage

Step 3: Automatic Batching & Mixing

• PLC-controlled batching system weighs each ingredient precisely
• Micro ingredients (premix, minerals, vitamins) are dosed automatically
• Double-shaft mixer ensures:
  • High homogeneity (CV ≤ 5%)
  • Uniform nutrient distribution

Step 4: Conditioning & Pelletizing

• Mixed mash feed enters the conditioner
• Steam conditioning improves gelatinization and digestibility
• Material is pressed into pellets by pig feed granulator (ring die pellet mill)
• Optional liquid fat (soybean oil) is sprayed during conditioning

Step 5: Cooling & Screening

• Fresh pellets are hot and soft after extrusion
• Counterflow cooler reduces temperature and moisture
• Rotary grading screen separates:
  • Qualified pellets
  • Oversized particles (reprocessed)
  • Powder (recycled back to mixer)

Step 6: Crumbling (Optional for Piglets)

• Starter feed pellets can be processed through a crumbler
• Produces smaller, more digestible feed for young pigs

Step 7: Packaging & Storage

• Finished products are transported to warehouse
• Automatic packing scale fills woven bags
• Ensures accurate weight, dust control, and efficient logistics

A 10–12 T/H pig feed mill is a high-capacity industrial feed production system designed for commercial feed factories, livestock integrators, and large-scale expansion or reconstruction projects. This solution by RICHI MACHINERY focuses on automation, stable output, energy efficiency, and flexible raw material utilization.

1. Project Overview (Reconstruction & Expansion Type)

This type of pig feed mill is widely used for upgrading small or medium feed plants into industrial-scale production facilities.

2. Raw Material Consumption (Optimized Formula System)

This pig feed mill is designed to handle diversified feed ingredients and local substitutions:

• Corn: 40,361.15 t/year (main energy source)
• Soybean meal: 14,568.26 t/year (protein source)
• Bran: 2,156.40 t/year (fiber balance)
• Sodium chloride: 130.30 t/year
• Mineral premix: 1,153.50 t/year
• Vitamin premix: 16.86 t/year
• Other additives (amino acids, enzymes, oil, etc.)

RICHI engineering design allows formula adjustment for different pig growth stages and market feed standards.

3. Main Equipment Configuration (Industrial Pig Feed Mill System)

A complete pig feed mill line at this capacity includes high-efficiency and heavy-duty equipment:

• Impeller feeder system
• Water-drop type feed hammer mill
• Automatic computer batching system (PLC controlled)
• Twin-shaft paddle mixer (high uniformity mixing)
• Pig feed pellet machine (ring die pelletizer)
• Counterflow cooler system
• Cooling fan & air locking system
• Rotary grading sieve
• Automatic weighing & packaging scale
• Belt conveyor + sewing machine system
• Air storage tank system
• Screw air compressor
• 250 kV power distribution system
• 80-ton weighbridge system
• Carbonized biomass pellet burner (energy-saving heating system)

4. Process Flow of 10–12 T/H Pig Feed Mill

Step 1: Raw Material Receiving & Storage

• Raw materials are delivered in bags and stored in raw material warehouse
• Pre-cleaning removes dust, stones, and impurities
• Ensures stable input quality for downstream processing

Step 2: Grinding Section

• Cleaned materials enter water-drop hammer mill
• Achieves fine and uniform particle size
• Improves digestion rate and pellet quality in pig feed

Step 3: Precision Batching System

• PLC-controlled batching bins measure each ingredient automatically
• Typical batching cycle: 3–4 minutes per batch
• Micro ingredients (vitamins, amino acids, trace elements) are:
  • Manually pre-weighed
  • Then added into premix system for accuracy

Step 4: Mixing Process

• Twin-shaft paddle mixer blends all materials
• Includes:
  • Ground raw materials
  • Additives
  • Liquid oil (optional addition system)
• Ensures homogeneous mixing with very low CV value

Step 5: Conditioning & Pelletizing

• Mixed feed enters conditioner
• Steam supplied by boiler improves gelatinization
• Pig feed pellet machine compresses material into uniform pellets
• Produces high-density, durable feed pellets suitable for transportation and storage

Step 6: Cooling System

• Hot pellets enter counterflow cooler
• Air cooling removes heat and moisture
• Pellets are stabilized to prevent cracking and mold growth

Step 7: Screening & Classification

• Rotary grading screen separates:
  • Qualified pellets → finished product
  • Oversized particles → re-crushing
  • Powder → recycled back to mixer

Step 8: Packaging & Storage

• Qualified feed is automatically weighed
• Packed using high-precision packing scale system
• Final products stored in finished goods warehouse
• Ready for bulk distribution or bagged sales

6. Why This Pig Feed Mill Solution Is Suitable for Expansion Projects

This 10–12 T/H system is especially ideal for:

• Entering commercial pig feed production markets
• Upgrading outdated feed factories
• Expanding production capacity without rebuilding from scratch
• Improving automation level and reducing labor cost

This is an excellent question that gets to the heart of modern, industrial-scale feed production. A typical high-capacity pig feed mill, such as a 60 t/h operation, represents a significant investment designed to produce a high volume of quality feed efficiently. Below is a detailed breakdown of such a project, outlining its scale, the comprehensive process, and the key equipment involved.

Project Overview: A 300,000 TPY Pig Feed Mill

A 60 t/h pig feed mill is a large-scale industrial operation. The scale of such a project is substantial, ensuring a steady supply of feed for large pig farming operations.

Raw Materials & Energy Consumption

The versatility of a professional pig feed mill solution lies in its ability to process a wide variety of raw materials to create a balanced and nutritious feed formula. This specific project handles a diverse range of ingredients.

• Primary Raw Materials: Wheat, corn (granular), and various meals (fragmented).
• Additives & Supplements: Stone powder/calcium powder, amino acids, whey powder, soybean oil, premix, and other essential additives.
• Annual Energy Consumption: This includes significant water (32,540.68 m³), electricity (7.8 million kWh), steam (26,400 t), and natural gas (1.575 million m³) usage.

The Complete Pig Feed Production Process

A modern 60 t/h pig feed production line integrates multiple stages to transform raw ingredients into high-quality, finished pellets. Here is a breakdown of the key steps:

1. Cleaning Process

• Description: Raw materials (corn, barley, etc.) enter a cleaning section where they pass through a cylinder pre-cleaner and a permanent magnet drum. This step removes both large debris and ferrous metal contaminants, protecting downstream equipment and ensuring product purity.
• Key Equipment: Drum pre-cleaner, permanent magnet drum.

2. Crushing Process

• Description: The cleaned granular materials are pulverized to a specific particle size for optimal digestion. This project uses three powerful hammer mills for efficient, high-capacity grinding .
• Key Equipment: 3 x Hammer Mills (2 x 200kW, 1 x 160kW).

3. Expansion Process

• Description: For specific ingredients like corn, this line includes an expansion step. The raw material is processed by an extruder, cooled, and then crushed again by a secondary pulverizer before being sent to the batching bin. This improves the digestibility and nutritional value of the feed.
• Key Equipment: Corn extruder (capacity 1.5-2.0 t/h), SFSP56*40 pulverizer.

4. Batching & Mixing Process

• Description: This is the core of the feed formulation. All ingredients are precisely weighed according to a specific recipe and then fed into a single-shaft mixer. This ensures a homogeneous blend of all macro and micro-ingredients.
• Key Equipment: Single-shaft mixer, PLC-controlled automatic batching system -4-6.

5. Premix & Micro-Ingredient Addition

• Description: High-value ingredients like amino acids are added via a manual feeding port, while larger quantities of premix are introduced through a big bag feeding port. This ensures precise inclusion of critical nutrients.
• Key Equipment: Manual feeding port, big bag feeding station.

6. Granulation, Cooling, & Screening Process

• Description: The mixed mash feed is conditioned with steam and pressed into pellets of various sizes using a ring die pellet mill. The hot, moist pellets exiting the mill are cooled in a counterflow cooler to room temperature, making them durable and stable for storage. Finally, a grading screen removes any fines or oversized pellets to ensure consistent quality.
• Key Equipment: Pig feed pelletizer, counterflow cooler, grading screen.

7. Finished Product Distribution & Packaging Process

• Description: The final pellets are automatically weighed and packed using an automatic quantitative scale. The bags are sealed with a sewing bag conveyor, labeled, and transported to the finished product warehouse for storage and shipment.
• Key Equipment: Double-bucket belt packing scale, sewing bag conveyor.

Key Equipment in This 60 t/h Pig Feed Mill

A reliable and robust equipment lineup is essential for the success of any large-scale feed mill. Here are some of the major components in this turnkey solution -4-6:

• High-Capacity Pulverizers (Hammer Mills): For efficient grinding.
• Single-Shaft Mixer: For uniform blending of all ingredients.
• Pig Feed Pelleting Machine: The core of the pelleting line.
• Corn Extruder: For pre-processing specific grains.
• Cooler & Grading Screen: For product stabilization and quality control.
• Automatic Packaging Systems: For efficient bagging of the final product.
• Auxiliary Equipment: Air compressors, gas boilers (for steam), and water heaters.

In summary: A 60 t/h pig feed mill is a complex, high-throughput operation that requires a carefully engineered process and robust equipment. From initial raw material cleaning to the final packaging, every stage is critical to producing consistent, high-quality pig feed to support modern, intensive farming operations. A turnkey solution provider ensures all these components work together seamlessly for maximum efficiency and profitability.

This is a strategic question that moves beyond the basic process flow to focus on the business case and operational efficiency—critical factors for any investor. A project of this scale, such as a 60-65 t/h pig feed mill designed for an annual output of 550,000 tons, represents a significant capital expenditure where understanding the financial and operational landscape is key to maximizing return on investment. Below, we break down the essential economic parameters, project structure, and streamlined operational design that make such a venture both feasible and profitable.

Economic & Project Scale Breakdown

This 60-65 t/h pig feed mill solution is engineered for high-volume production with a lean operational model. The following table outlines the core financial and physical parameters of the project.

Raw Material Strategy & Cost Centers

A well-designed pig feed mill thrives on its ability to economically source and process a diverse mix of raw materials. This project utilizes a high-volume blend of agricultural commodities and nutritional additives.

• Major Base Grains & Meals: Corn, soybean meal, and bran form the bulk of the recipe, accounting for 370,750 tons per year.
• Oils & Supplements: A significant annual volume of 80,000 tons of soybean oil is used, alongside 70,000 tons of trace elements and 30,000 tons of minerals to ensure a complete nutritional profile.
• Utility Consumption: Operational efficiency is reflected in the utility planning, with an annual water consumption of 24,552 m³ and a natural gas consumption equivalent to 200,000 kW·h per year.

Equipment & Infrastructure Highlights

This specific 60-65 t/h pig feed production line is equipped with a robust selection of machinery tailored for efficiency and durability. The equipment list is designed to handle the entire process from intake to finished bulk product, with a specific focus on high-moisture ingredient management.

Key equipment includes:

• Intake & Cleaning: Feeding pit, grid screen, square dust collector, fan, scraper conveyor, and powder cleaning screen for ensuring raw material purity.
• Mixing & Batching: Twin-shaft paddle mixer for homogeneous blending of a wide range of ingredients.
• Extrusion & Pelleting: Expansion bin, jacket conditioner, grain extruder, and the core pig feed pellet machine.
• Cooling & Drying: Cooler and cyclone dust collector are essential for product stability, especially given the high oil content and the use of a jacket conditioner.
• Auxiliary Systems: Air compressor, gas storage tank, air dryer, finished product bulk warehouse, and a natural gas boiler.

Production Process Optimized for Bulk Output

The process flow for this pig feed mill is engineered for continuous, high-throughput operation, incorporating advanced conditioning to handle recipes with high oil and moisture content, which is a common challenge in modern pig feed formulations.

1. Receiving & Primary Cleaning

• Raw materials are received at the feeding pit, passing through a grid screen to remove large foreign objects. Subsequently, a cylindrical cleaning sieve removes fine impurities like strings, stones, and soil clods before the clean material is elevated to the silos for storage.
  2. Crushing
• Granular materials are metered from the crushing bin into the pulverizer, where they are ground to the precise particle size required for optimal digestion and subsequent processing.
  3. Accurate Ingredient Batching & Mixing
• This is the quality control heart of the operation. Powdery raw materials, trace elements, and minerals are precisely weighed by a batching scale and blended in a twin-shaft high-efficiency mixer. This ensures every batch of pig feed meets the strict nutritional specifications.
  4. Advanced Conditioning & Extrusion
• This stage is critical for recipes using corn and fats. The raw materials are preconditioned with steam in a jacket conditioner and then sent to the grain extruder. This high-shear, high-temperature process gelatinizes starches, improves digestibility, and allows for higher inclusion of fats, setting the foundation for superior pellet quality.
  5. Pelleting & Post-Processing
• The conditioned mash is pressed through the pig pellet mill to form dense, durable pellets. These hot pellets are immediately cooled in a cooling air net and then passed through rotary classification and screening. This crucial step removes fines, ensuring that only finished granules meeting product specifications are conveyed to the finished product bulk bin.
  6. Bulk Distribution
• The final step focuses on logistics efficiency. Finished products stored in the bulk warehouse are ready for direct bulk sale and transport, significantly reducing packaging costs and handling time for large-scale farming operations.

In summary, a 60-65 t/h pig feed mill solution of this caliber is a sophisticated industrial asset. Its success hinges on the perfect synergy between a high-capacity equipment train, a robust utility infrastructure, and a well-planned operational strategy to manage high-oil ingredients efficiently. Our turnkey solutions are engineered to optimize these variables, ensuring that your investment delivers consistent quality, low operational costs, and a rapid path to market for your bulk pig feed products.

Absolutely. For large-scale integrated pig farming operations that produce their own livestock, a 30 t/h pig feed mill is often the most strategic and cost-effective solution. This capacity is perfectly aligned with the feed demands of a major pig production system, ensuring a consistent, high-quality feed supply while drastically reducing reliance on external suppliers. Below, we detail a turnkey 30 t/h pig feed mill solution designed specifically for a closed-loop farming model, highlighting its financial efficiency, operational design, and robust process flow.

Project Overview: A Self-Sufficient Feed Supply for 500,000 Fattening Pigs

This 30 t/h pig feed mill is not a commercial operation selling to the open market; it is a dedicated, integrated facility designed to supply feed exclusively to an associated pig breeding project. This approach offers significant cost control and quality assurance benefits.

Key Equipment & Raw Material Strategy

A well-engineered 30 t/h pig feed mill is defined by its equipment reliability and its ability to process a wide spectrum of raw materials. This ensures formulation flexibility to meet the changing nutritional needs of pigs at different growth stages.

• Diverse Raw Material Handling: The plant is designed to process corn (91,000 t/a), barley (26,000 t/a), soybean meal (38,200 t/a), rice bran meal (11,000 t/a), fermented soybean meal (11,000 t/a), and essential minerals like stone powder and calcium dihydrogen phosphate. This showcases the system’s versatility with both granular and powdery ingredients.
• Robust Equipment Train: The core machinery is selected for high uptime and consistent performance in a demanding industrial environment.
  • Cleaning & Intake: Hydraulic back turning, centrifugal fans, double-layer cylinder primary cleaning screen, and wheat rotary vibrating screen for superior impurity removal.
  • Grinding & Mixing: High-efficiency crushers, rotary distributors, and twin-shaft paddle mixers for homogeneous blending of macro and micro ingredients.
  • Pelleting & Cooling: Conditioner, ring-die pig feed granulator, and a countercurrent cooler with a grading screen to ensure durable, high-quality pellets.
  • Dust Control & Logistics: Pulse dust collectors, multi-tube cyclone dust collectors + bag filters, weighbridge, and automatic metering systems for bulk dispatch.

Production Process Optimized for In-House Feed Production

The process flow for this 30 t/h pig feed mill is streamlined for efficiency, hygiene, and minimal waste—key factors for a captive feed operation where feed cost directly impacts farm profitability.

1. Raw Material Unloading & Receiving & Initial Cleaning
   • The project is strategically designed with three dedicated receiving and cleaning lines: one for pellets (corn, barley), one for powders (soybean meal), and one for auxiliary powder materials. This segregation prevents cross-contamination and optimizes throughput.
   • Particle Line: Granular materials pass through a double-layer cylinder primary cleaning screen to remove impurities like stones, strings, and clods.
   • Powder Line: Powdery raw materials (soybean meal, rice bran meal, fermented soybean meal) are directly conveyed to the raw material warehouse, bypassing the crushing stage to save energy.
2. Granular Raw Material Crushing Section
   • The cleaned corn and barley are transported by a conveyor to the grinder. The crushing process is carefully controlled to achieve the optimal particle size for pig digestion, balancing performance with energy efficiency.
3. Batching & Mixing Section
   • This is the brain of the operation. The PLC-controlled batching system automatically weighs and adds raw materials from the batching bin according to pre-programmed formulas.
   • Once batching is complete, the precisely weighed ingredients are unloaded through a conveying pipeline into a twin-shaft paddle mixer. This high-intensity mixer ensures a uniform blend of all base grains, proteins, and critical micro-ingredients like minerals and enzymes, guaranteeing consistent nutritional value in every batch.
4. Granulation Section
   • The mixed mash is conditioned with steam and then extruded through a ring-die pellet mill. The resulting hot, soft pellets are immediately conveyed to a counter-current cooler. This cooling process is vital as it hardens the pellets, reduces moisture, and ensures they are stable for storage.
   • The cooled pellets pass through a fool-proof grading screen. Oversized pellets are broken down, and fines are screened out and returned to the mixing bin for re-processing. Only high-quality, uniform pellets are allowed to proceed to the finished product bin.
5. Measuring & Bulk Dispatch
   • After sieving, the finished feed pellets are stored in the finished product warehouse. From here, they are packed into the warehouse by automatic metering systems, ready for efficient bulk transportation to the pig farm. This “bulk” approach eliminates packaging waste and reduces labor costs for the farming operation.

A 30 t/h pig feed mill is an ideal, cost-effective investment for an integrated pig production system. By bringing feed production in-house, operators gain complete control over feed quality and formulation, significantly reduce feed procurement costs, and create a biosecure supply chain. This specific turnkey solution, with its robust equipment selection and streamlined process, is engineered to maximize operational efficiency and support a large-scale fattening operation with a consistent, reliable supply of high-quality pig feed.

For livestock operations or entrepreneurs looking to enter the feed production industry with a manageable yet highly functional setup, a 4 t/h pig feed mill offers an ideal balance of affordability, versatility, and output.

This scale is perfectly suited for producing both concentrated and pelleted feed, providing the flexibility to meet diverse nutritional requirements. Below, we explore a complete turnkey solution for a 4 t/h pig feed mill, detailing its economic parameters, process flow, and the key equipment that ensures high-quality output.

Project Overview: A Versatile 10,000 TPY Pig Feed Mill

This 4 t/h pig feed mill is designed as a compact, efficient, and multi-product facility. It can produce both powder and pellet feed, making it an excellent choice for farms that need to serve pigs at different growth stages or formulate various diet types.

Raw Materials & Utility Consumption

A well-designed 4 t/h pig feed mill is characterized by its ability to process a wide range of ingredients, from base grains to specialized additives. This ensures formulation flexibility to meet specific customer or farm requirements.

• Base Ingredients: The plant handles a diverse mix including soybean meal (4,500 t/a), corn (4,680 t/a), wheat (60 t/a), and rapeseed meal (36 t/a).
• Protein & Mineral Supplements: Fish meal, bone meal, and stone powder (calcium powder) are processed to provide essential nutrients.
• Additive Premix: A complex blend of trace elements, vitamins, growth promoters, antioxidants, amino acids, sodium chloride, glucose, and other critical micro-ingredients (38 t/a) ensures a balanced and complete nutritional profile.
• Utilities: Consumption is relatively low, with water at 179 m³/a, electricity at 200,000 kWh, and diesel at 12.2 t/a for auxiliary systems like the oil-fired boiler.

Key Equipment Highlights

The equipment selection for this 4 t/h pig feed mill is focused on reliability, hygiene, and operational efficiency, all backed by the expertise of RICHI MACHINERY.

Production Process: Dual Output for Powder and Pellet Feed

The process flow for this 4 t/h pig feed mill is uniquely designed to produce both powder and pellet feed within the same production line, offering maximum operational flexibility.

1. Raw Material Receiving & Initial Cleaning
   • All raw materials are received in bagged form and temporarily stored in the raw material warehouse. The initial step is crucial for product purity. Wheat, corn, and meals pass through a cleaning process, while powdery ingredients like fish meal, stone powder, and bone meal are routed directly to storage, bypassing the cleaning stage to streamline processing.
2. Raw Material Crushing
   • This process is applied exclusively to granular materials that require particle size reduction. Corn, wheat, and similar pellets are metered from the crushing bin into a hammer mill. The crushing process is precisely controlled to achieve optimal particle size for pig digestion and subsequent pelleting efficiency.
3. Batching & Mixing Section
   • This is the quality control hub of the 4 t/h pig feed mill. Raw materials are fed by batching augers according to the recipe amount and batching sequence programmed into the system.
   • Ingredients are cumulatively weighed using a precise batching scale. Once all components are weighed, they are discharged into a double-shaft paddle mixer. This high-intensity mixer ensures a homogeneous blend of all macro and micro-ingredients, guaranteeing consistent nutritional value in every batch.
4. Granulation & Cooling (For Pellet Production)
   • The pig feed mill project products include both powder and pellet forms.
   • For Powder Feed: After the ingredients are mixed in the mixer, the powdery product is obtained. This product bypasses the pelleting line and directly enters the finished product warehouse, ready for packaging.
   • For Pellet Feed: After mixing, the mash is conditioned with steam in a single-layer conditioner and then pressed through the ring die of the pig pellet machine. The hot pellets are immediately cooled in a countercurrent cooler to harden them and reduce moisture. A crumbler can be used to break larger pellets into smaller sizes if required.
5. Grading & Packaging Section
   • For Pellets: The cooled finished pellet product enters a plane rotary grading screen. This three-stage sieving process removes fines and oversize particles, ensuring only uniform, high-quality pellets reach the finished product warehouse.
   • For Powders: The powdery finished products that do not require granulation directly enter the finished product warehouse and pass through a vibrating screen before packaging.
   • Packaging: Finished products are accurately weighed and packed using a belt-feeding double-bucket packaging scale and a packaging scale, then labeled and prepared for storage or dispatch.

A 4 t/h pig feed mill is a versatile and smart investment for operations requiring both powder and pellet feed. Its compact design, combined with a robust equipment train and a flexible process flow, ensures efficient production without compromising quality. With RICHI MACHINERY as your partner, you gain access to a wealth of experience, customized solutions, and unwavering support to make your pig feed project a success.

Building a pig feed mill is not simply a matter of purchasing equipment and installing it in a workshop.

The projects that perform best five or ten years later usually have one thing in common: they were planned correctly from the beginning. Capacity expansion, raw material logistics, utility consumption, truck access, future automation upgrades—these decisions are difficult and expensive to change after construction starts.

At RICHI, we treat a pig feed mill as a complete engineering project rather than an equipment order. The process typically follows several key stages.

Stage 1: Feasibility Study & Investment Evaluation

Before any drawings are created, the project itself must make economic sense.

This stage focuses on questions such as:

• What type of pig feed will be produced?
• What is the target production capacity?
• Will the factory produce pellets, mash feed, premix feed, or multiple products?
• What raw materials are available locally?
• How large is the target market?
• What level of automation is required?

The outcome is a feasibility study that helps investors evaluate technical requirements, investment costs, operating expenses, and expected returns.

Stage 2: Project Approval & Site Investigation

Once the investment decision is made, attention shifts to the construction location.

Our engineering team typically works with customers to evaluate:

• Land dimensions
• Traffic accessibility
• Utility availability
• Environmental requirements
• Local regulations
• Future expansion opportunities

A surprisingly common mistake is choosing a site that works for today’s production volume but leaves no room for future silos, warehouses, or additional production lines.

Good planning avoids that problem.

Stage 3: Process Design & Equipment Selection

This is where the pig feed mill starts taking shape.

Instead of selecting equipment first, we begin with the feed products and formulations.

Different feed products require different process arrangements:

Based on these requirements, engineers determine:

1. Process flow
2. Equipment configuration
3. Automation level
4. Material handling systems
5. Utility requirements

Only then are the final equipment specifications confirmed.

Stage 4: Supporting Facilities Planning

A pig feed mill involves far more than feed machinery.

Supporting facilities often include:

• Raw material silos
• Finished feed warehouses
• Boiler rooms
• Electrical control rooms
• Maintenance workshops
• Laboratory facilities
• Administrative offices
• Staff facilities
• Truck loading and unloading zones

At this stage, calculations are completed for:

• Power demand
• Steam consumption
• Water usage
• Compressed air requirements
• Storage capacity

These figures become the foundation for detailed engineering.

Stage 5: Master Layout & Engineering Design

This is one of the most valuable stages—and one that many first-time investors underestimate.

The goal is to ensure that people, materials, vehicles, and utilities move efficiently throughout the facility.

Engineering work may include:

• General plant layout
• Production building design
• Equipment arrangement
• Steel structure planning
• Utility routing
• Drainage systems
• Fire protection considerations
• Future expansion reservations

A well-designed pig feed mill should allow future growth without major demolition or reconstruction.

Stage 6: Detailed Drawings & Construction Preparation

Once the overall design is approved, engineers prepare detailed documentation for construction and installation.

This typically includes:

• Equipment layout drawings
• Foundation drawings
• Steel structure drawings
• Electrical schematics
• Control system diagrams
• Utility connection plans
• Installation specifications

One aspect that customers particularly appreciate is direct participation in the review process. Every major drawing can be checked, discussed, and adjusted before construction begins.

That reduces surprises later.

Stage 7: Construction, Installation & Commissioning

After engineering approval, the physical project begins.

The final stage includes:

1. Civil construction
2. Structural installation
3. Equipment installation
4. Electrical integration
5. Control system testing
6. Production commissioning
7. Operator training
8. Performance verification

Only after the entire pig feed mill successfully completes production testing and meets design targets is the project formally accepted.

Why Do Investors Choose RICHI for Pig Feed Mill Projects?

Many companies can supply feed machinery.

Far fewer can manage an entire pig feed mill project from feasibility study to commercial production.

RICHI combines:

• Feed process engineering
• Equipment manufacturing
• Plant design
• Civil and steel structure coordination
• Automation integration
• Installation support
• Commissioning services
• Long-term technical assistance

Whether the project is a compact 1 T/H startup facility or a fully automated 160 T/H feed manufacturing complex, our engineers design every pig feed mill around the customer’s products, raw materials, budget, and long-term business goals—not around a fixed template.

Many investors assume that designing a pig feed mill means selecting a few machines and arranging them inside a building.

In reality, equipment selection is only one part of the engineering work.

A well-designed pig feed mill must coordinate production processes, raw material logistics, utility systems, automation, structural engineering, environmental protection requirements, future expansion plans, and daily operational efficiency. The larger the project, the more important these design details become.

At RICHI, our engineering team provides complete feed mill design services covering everything from the production workshop to storage facilities, office buildings, utility systems, and future expansion areas.

What Areas Are Covered in a Pig Feed Mill Design?

The design scope typically includes:

The objective is simple: ensure the entire pig feed mill operates efficiently today while remaining flexible for tomorrow.

1. Process Engineering Design

This is usually where every project begins.

Before selecting equipment, our engineers study:

• Feed formulations
• Available raw materials
• Target products
• Annual production goals
• Desired automation level

Based on this information, we develop:

• Process flow diagrams
• Equipment configuration plans
• Equipment layout drawings
• Material conveying routes
• Dust collection systems
• Ventilation systems
• Silo arrangements
• Production line balancing schemes

A piglet feed project processing milk powder and specialty ingredients requires a completely different design approach than a high-capacity finisher feed factory producing 30-50 T/H.

2. Auxiliary System Design

Feed production depends on much more than feed machinery.

Supporting systems often determine the long-term reliability of a pig feed mill.

Our design services may include:

• Steam supply systems
• Boiler integration
• Compressed air systems
• Power distribution systems
• Water supply systems
• Drainage systems
• Environmental protection systems
• Maintenance workshops
• Packaging material storage areas
• Spare parts warehouses

Many production bottlenecks actually originate from undersized utility systems rather than feed equipment itself.

3. Automation & Information System Design

Modern feed factories increasingly rely on data.

Depending on project requirements, we can design:

• PLC control systems
• Central control rooms
• Formula management systems
• Production monitoring systems
• Inventory management systems
• Quality traceability systems
• Network communication systems
• Video monitoring systems

For large pig feed mill projects, automation often becomes one of the fastest ways to improve batching accuracy and reduce labor costs.

4. Civil & Structural Engineering Design

Once the process design is finalized, detailed engineering begins.

This may include:

• Master site planning
• Production building design
• Steel structure engineering
• Foundation drawings
• Equipment support structures
• Utility pipe routing
• Internal road planning
• Fire protection systems
• Drainage engineering

One detail we always emphasize: future expansion.

Many feed factories eventually need additional silos, new pelleting lines, or expanded storage facilities. We reserve these possibilities during the initial design stage whenever possible.

What Standards Are Used During Pig Feed Mill Design?

Every project is developed according to applicable engineering, safety, environmental, and construction requirements.

Typical design references include:

• Feed mill engineering design standards
• Industrial hygiene requirements
• Building fire protection regulations
• Structural steel design standards
• Seismic engineering requirements
• Environmental emission regulations
• Boiler room design specifications
• Industrial building codes
• Occupational safety standards

The exact standards applied vary according to project location and local regulations.

Why Do Customers Choose RICHI for Feed Mill Engineering?

Because designing a pig feed mill is ultimately about solving practical production problems before they occur.

Our engineers regularly work with projects processing:

• Corn and soybean meal
• Wheat and barley
• Rice bran and wheat bran
• Cassava meal
• DDGS
• Sunflower meal
• Rapeseed meal
• Molasses
• Liquid oils
• Premixes and specialty additives

Each ingredient affects storage, conveying, grinding, mixing, and pelleting performance differently.

That experience allows us to provide more than drawings. We deliver complete engineering solutions that connect process design, equipment manufacturing, automation, civil engineering, and installation planning into one coordinated project.

For investors planning a new pig feed mill, expanding an existing facility, or upgrading production capacity, this integrated design approach often saves significant time, construction costs, and future modification expenses.

A surprising number of feed plants run into problems not because of poor equipment, but because of poor planning.

We’ve visited facilities where trucks queue outside the gate because raw material receiving and finished feed loading share the same traffic route. We’ve seen factories add extra conveyors years later because silo locations were chosen without considering future expansion. These mistakes are expensive to fix once construction is complete.

That is why the overall planning of a pig feed mill should begin long before the first foundation is poured.

For projects ranging from 1 T/H startup plants to 160 T/H industrial feed complexes, RICHI develops the entire facility around production efficiency, logistics flow, future growth, and long-term operating costs—not simply around available land area.

What Does Overall Pig Feed Mill Planning Include?

The production workshop is only one part of the project.

A complete pig feed mill master plan generally includes:

The goal is to ensure every section of the factory works together efficiently from day one.

What Are the Most Important Planning Priorities?

Different projects have different requirements, but several principles remain consistent.

1. Storage Capacity Must Match Production Capacity

Storage planning is often the starting point.

Typical bulk storage may include:

• Corn
• Wheat
• Soybean meal
• Rapeseed meal
• Cottonseed meal
• DDGS
• Limestone powder
• Premix ingredients

For larger pig feed mill projects, silo groups are often designed in phases. This allows investors to control initial capital expenditure while reserving space for future expansion.

Depending on raw material characteristics, customers may choose:

The right storage strategy can significantly reduce handling costs throughout the life of the project.

2. Logistics Flow Should Be Simple

Material flow affects operating costs every day.

Our engineers pay particular attention to:

• Raw material receiving routes
• Truck turning radiuses
• Finished product loading points
• Forklift traffic paths
• Warehouse accessibility

For example, packaging warehouses are usually positioned close to the bagging section to reduce internal transportation distances.

Small details. Large operational impact.

3. Utility Systems Should Support Production, Not Limit It

A feed plant can only operate as efficiently as its supporting infrastructure.

When planning a pig feed mill, we evaluate:

• Electrical demand
• Steam consumption
• Water usage
• Compressed air requirements
• Future utility expansion needs

The transformer station is typically positioned near the highest power consumption area, while the boiler room should be close enough to reduce steam transmission losses without affecting operational safety.

Oversized utilities increase investment costs. Undersized systems create production bottlenecks.

Finding the right balance matters.

4. Functional Areas Must Be Clearly Separated

A professionally planned pig feed mill should maintain clear boundaries between different operational zones.

Typical separation principles include:

• Production area separated from office buildings
• Raw material receiving separated from finished product shipping
• Employee living facilities separated from production operations
• Visitor and administrative traffic separated from industrial traffic
• Vehicle parking separated from logistics loading areas

These arrangements improve safety, operational efficiency, and overall site management.

What Supporting Facilities Are Often Overlooked?

When reviewing expansion projects, we often find that attention was focused on the main production equipment while smaller facilities were underestimated.

Common supporting facilities include:

• Maintenance workshops
• Spare parts storage
• Packaging material warehouses
• Quality control laboratories
• Driver waiting rooms
• Staff changing rooms
• Sanitary facilities
• Forklift charging or storage areas
• Security and monitoring stations

Individually, these facilities seem minor.

Collectively, they determine how smoothly the pig feed mill operates every day.

How Does RICHI Approach Overall Pig Feed Mill Planning?

Every project begins with understanding how the factory will actually operate after commissioning.

Before developing the final layout, our engineering team evaluates:

1. Feed product types
2. Production capacity targets
3. Raw material sourcing methods
4. Storage requirements
5. Utility availability
6. Staffing requirements
7. Future expansion objectives
8. Local construction regulations

Only after these factors are understood do we proceed with detailed engineering and construction drawings.

This planning-first approach helps our customers avoid costly redesigns, improve material flow efficiency, and create pig feed mill facilities that remain practical and scalable for years to come.

Whether you are developing a new feed manufacturing complex or expanding an existing operation, the right master plan can be just as valuable as the equipment installed inside it.