Poultry Feed Grinder

A Poultry Feed Grinder is one of the most essential machines in the poultry feed processing industry. It is designed to reduce the size of raw materials—such as corn, wheat, soybean meal, rice husk, and other grains—by grinding them into fine powder suitable for poultry feed formulation. In modern poultry farming, the uniformity and fineness of feed directly impact nutrient absorption, feed conversion ratio (FCR), growth performance, and overall health of poultry.

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1. Introduction to Poultry Feed Grinder

Feed grinders are commonly used in:

Poultry farms
Small and large-scale feed mills
Agricultural cooperatives
Animal research institutions
Integrated poultry production companies

Grinding is the first and most important step in producing high-quality poultry feed pellets. Without proper grinding, pellet mills cannot form solid, nutritious pellets. Therefore, a high-quality poultry feed grinder is indispensable for any efficient Feed Production Line.

This guide provides a comprehensive explanation of Poultry Feed Grinders, including technical specifications, features, benefits, applications, working principles, user instructions, maintenance guides, troubleshooting, and FAQs—all optimized for Google SEO.

2. Technical Parameters of Poultry Feed Grinder

Specifications vary among manufacturers, but the following are common values used in feed production.

2.1 Production Capacity

Small feed grinder: 100–500 kg/h
Medium grinder: 500–2000 kg/h
Large hammer mill: 2–12 tons/h

2.2 Motor Power

Small models: 2.2–7.5 kW
Medium models: 11–30 kW
Large industrial models: 37–110 kW

2.3 Rotor Speed

Common speed: 2800–3500 rpm
High-speed grinders: up to 4500 rpm

2.4 Grinding Fineness

Adjustable by changing screens:

0.8 mm
1.0 mm
1.5 mm
2.0 mm
3.0 mm
4.0 mm

2.5 Applicable Raw Materials

Corn
Maize
Wheat
Soybean meal
Sorghum
Barley
Rice husk
Fish meal
Bone meal

2.6 Voltage

220V single-phase for household/small farms
380V/415V three-phase for industrial applications

2.7 Weight

Small model: 50–120 kg
Medium model: 200–500 kg
Large model: 800–2500 kg

3. Structure of Poultry Feed Grinder

A poultry feed grinder typically includes the following components:

3.1 Feeding Hopper

Controls steady material feeding into the grinding chamber.

3.2 Grinding Chamber

Contains:

Rotor
Hammers
Grinding plates
Screens

3.3 Hammers

Made of high-strength alloy steel; rotate at high speed to crush raw material.

3.4 Screen Mesh

Determines final powder size.

3.5 Cyclone or Dust Collector (optional)

Reduces dust and increases collection efficiency.

3.6 Motor

Powers the rotor and hammers.

3.7 Discharge Outlet

Collects finely ground powder for mixing or pelletizing.

3.8 Safety System

Includes overload protection, emergency stop, and guards.

4. Features of Poultry Feed Grinder

4.1 High Grinding Efficiency

Efficient crushing ensures high throughput and uniform size distribution.

4.2 Adjustable Fineness

Different screens allow precise control of powder size for chicks, layers, or broilers.

4.3 Durable Construction

Made with heavy-duty steel frames and hardened hammers.

4.4 Low Power Consumption

High-efficiency motor reduces energy usage.

4.5 Wide Raw Material Compatibility

Can grind various grains, meal, husks, and agricultural waste.

4.6 Easy to Operate

Simple feeding structure and user-friendly control panel.

4.7 Low Noise and Dust

Cyclone dust collectors reduce noise and air pollution.

4.8 Automatic or Manual Feeding Options

Depending on the production scale.

4.9 Long Service Life

Wear-resistant components ensure long-term operation.

5. Advantages of Poultry Feed Grinder

5.1 Improves Feed Digestibility

Finer raw materials improve nutrient absorption.

5.2 Enhances Feed Conversion Ratio (FCR)

Better grinding means more efficient poultry growth.

5.3 Ensures Pellet Quality

Pellet mills require finely ground material to produce dense pellets.

5.4 Reduces Feed Waste

Uniform size reduces sorting behavior in poultry.

5.5 Saves Feed Cost

Grinding raw ingredients onsite is much cheaper than buying commercial feed.

5.6 Supports Large-Scale Production

High-capacity grinders meet the needs of industrial feed mills.

5.7 Flexible Operation

Suitable for multiple feed formulas and animal types.

5.8 Easy Maintenance

Quick replacement of screens and hammers.

6. Application Scenarios

6.1 Poultry Farms

Daily feed preparation for broilers, layers, breeders.

6.2 Feed Production Factories

Large feed mills use industrial hammer mills.

6.3 Small and Medium Farms

Use small grinders for producing feed powder.

6.4 Agricultural Cooperatives

Centralized feed grinding saves cost for local farmers.

6.5 Animal Research Institutions

Research centers use grinders for experimental feed formulations.

6.6 Livestock Farms

Not only for poultry—can be used for:

Cattle
Sheep
Goats
Rabbits
Fish (special screens)

6.7 Pellet Production Lines

Grinding is the first step in:

Chicken feed pellet lines
Fish feed pellet lines
Livestock feed production

7. Working Principle of Poultry Feed Grinder

The working process is as follows:

Step 1: Feeding

Raw materials enter the hopper and move into the grinding chamber.

Step 2: Hammer Crushing

High-speed rotating hammers strike the material repeatedly.

Step 3: Particle Size Reduction

Material impacts the hammers, grinding plates, and screen.

Step 4: Screening

Small particles pass through the screen; larger ones remain until finely crushed.

Step 5: Discharge

Finished powder exits through the outlet for mixing or pelletizing.

8. How to Use Poultry Feed Grinder

8.1 Pre-operation Checklist

Ensure power cable is secure
Lubricate bearings
Check hammer and screen condition
Remove metal pieces or stones from raw material

8.2 Operating Steps

Turn on the motor
Start feeding raw material gradually
Adjust feeding speed for stable grinding
Monitor powder fineness through the discharge outlet
Allow machine to run empty for 1 minute before stopping
Turn off power

8.3 Post-operation

Clean remaining material
Check for loose bolts
Inspect screen for blockage

9. Maintenance Guide

9.1 Daily Maintenance

Remove dust and powder residues
Lubricate bearings and shaft
Ensure all bolts are tight

9.2 Weekly Maintenance

Inspect screen for tears
Clean feeding and discharge ports
Check hammer edges

9.3 Monthly Maintenance

Replace worn hammers
Inspect motor bearings
Check V-belt tension

9.4 Screen Maintenance Tips

Keep screen clean
Replace damaged screen immediately
Choose proper hole size for pellet mill

10. Common Problems and Troubleshooting

Problem 1: Low Grinding Efficiency

Cause: Worn hammers or clogged screen
Solution: Replace hammers; clean screen

Problem 2: Machine Overheating

Cause: Overloading or poor lubrication
Solution: Reduce feed rate; lubricate bearings

Problem 3: Uneven Powder Size

Cause: Incorrect screen size
Solution: Install appropriate screen

Problem 4: Excessive Noise

Cause: Loose bolts or damaged hammers
Solution: Tighten bolts; replace hammers

Problem 5: Motor Overload

Cause: Feeding too fast
Solution: Reduce feed speed

Problem 6: Machine Vibrates

Cause: Unbalanced rotor
Solution: Reinstall or repair rotor

11. Frequently Asked Questions (FAQ)

Q1: What raw materials can a poultry feed grinder handle?

Corn, wheat, soybean meal, rice husk, fish meal, bone meal, and other grains.

Q2: What screen size is best for chicken feed?

Chicks: 0.8–1.5 mm
Broilers: 1.5–2.0 mm
Layers: 2.0–3.0 mm

Q3: Can the grinder be used alone?

Yes, but it works best with mixers and pellet mills.

Q4: How often should I replace hammers?

Every 300–800 hours, depending on raw material hardness.

Q5: Does the machine require lubrication?

Yes, bearings must be lubricated regularly.

Q6: Can I grind wet materials?

No. Moisture must be below 15%.

Q7: Is a cyclone dust collector necessary?

Recommended for large models to reduce dust.

Q8: Can a grinder process feed for other animals?

Yes—simply change screens for:

Rabbits
Fish
Cattle
Sheep

Q9: Is the grinder difficult to operate?

No. Even beginners can operate it after simple training.

Conclusion

A Poultry Feed Grinder is a crucial machine in any Poultry Feed Production Line. It ensures the raw material is properly ground into uniform powder for improved digestibility, higher feed conversion ratio, and better poultry growth. Whether for small farms or large feed mills, poultry feed grinders deliver efficiency, performance, and cost savings.

Company Profile

Shandong Huimin Qinle Livestock Machinery Co., Ltd.

Shandong Huimin Qinle Livestock Machinery Co., Ltd. (formerly Shandong Huimin Qinle Livestock Machinery Factory) is a professional poultry equipment manufacturer with over 20 years of experience. We offer a comprehensive service package, from design (land and chicken coops), production (equipment and prefabricated steel coops), installation, commissioning, customer training, and after-sales service.

Located in Huimin County, Binzhou City, Shandong Province, China, the company has extensive experience in mechanical processing and manufacturing, as well as livestock machinery production and operation. With fixed assets of RMB 15 million, the company employs 160 people, including 30 R&D staff, and occupies a 40,000-square-meter factory. Equipped with over 110 pieces of advanced precision production equipment, including CNC machining centers and laser cutting machines, the company boasts a production capacity of RMB 50 million.

Shandong Huimin Qinle Livestock Machinery Co., Ltd.