Dog Food Machine for Dry & Extruded Pet Food
Extruded Pet Food Machine for Dog Food • Single & Twin Screw Design • Stable Pellet Output • Customizable Specifications • Supports Multiple Formulations
Capacity: Starting from 300kg/h
Suitable application: Pet food Pellet Production Plant
Single Screw vs. Twin Screw Dog Food Extruders: Which One Is Right for You?
Single screw or twin screw? Different extruders have their own characteristics in handling raw materials and forming pellets. Understanding their different features and choosing the right equipment can ensure smoother daily production operations.
Single Screw Dog Food Extruder Machine
Specially designed for dog food pellet production, this extruder ensures stable pellet formation and uniform specifications. It’s easy to operate and maintain, making it ideal for fixed formula or medium-volume production needs, ensuring smoother and more efficient daily operations.
≥ 300 kg/h
Capacity
$ 7,500 +
Price
Detailed Working Principle
Raw materials enter the barrel through the feeding inlet, where they are evenly pushed forward and initially mixed and compacted by the rotating screw.
In the heating zone, the temperature is raised for conditioning, achieving starch gelatinization and protein modification. When the raw materials are pushed to the extrusion die, they expand instantly under high temperature and pressure, and then are cut into desired lengths by the outlet cutter..
Finally, after cooling and drying, solid and stable high-quality dog food is produced.
Technical Parameters
| Model | DGP-90B Dog Food Machine | DGP-120B Dog Food Machine | DGP-160B Dog Food Machine |
| Output（T/H） | 0.3-0.4 | 0.5-0.6 | 0.8-1.0 |
| Main motor power（kw） | 37 | 55 | 90 |
| Feed power（kw） | 0.75 | 202 | 3 |
| Cutting power（kw） | 0.55 | 1.1 | 1.5 |
| Screw diameter（mm） | 90 | 120 | 160 |
| Overall machine size（mm） | 2100*1450*1350 | 2400*1950*1600 | 3100*2650*1800 |
Scope of Application
standard dry dog food
puppy food / adult dog food
general-purpose dry pet food (for cats & dogs)
small to medium-batch production
Other Application
fish feed
shrimp feed
cat food
Equipment Advantages
- Compact structure, easy to install, commission, and maintain
- Produces dog food pellets with uniform specifications and stable formation
- Low energy consumption, minimal maintenance costs, suitable for small to medium-batch production
- Can handle various dry powder raw materials and fixed formulas, meeting conventional production needs
Twin Screw Dog Food Extruder Machine
Suitable for dog food production with various raw materials and multiple formulas. It ensures uniform pellet expansion and controllable density, easily meeting different flavor and specification requirements. This enhances production flexibility and product quality.
≥ 500 kg/h
Capacity
$ 7,500 +
Price
Detailed Working Principle
Starting from the feeding of raw materials, dry powder or pre-mixed ingredients enter the twin-screw barrel. The screws rotate in coordination, pushing the materials forward evenly while completing thorough mixing and plasticizing.
In the heating zone, the raw materials absorb moisture, with partial starch gelatinization and protein structure modification, preparing for expansion and shaping.
Upon entering the die, high temperature and pressure cause the moisture to vaporize rapidly, expanding the materials instantly into pellets, which are then cut to the desired length by a cutter.
Technical Parameters
| Model | SPHS 75×2 Dog Food Machine | SPHS 120×2 Dog Food Machine | SPHS 120×2 Dog Food Machine | SPHS 150×2 Dog Food Machine |
| Output（T/H） | 0.5-1.0 | 1.5-2.0 | 3.0-4.0 | 5.0-6.0 |
| Main motor power（kw） | 55 | 90 | 110 | 200 |
| Feed power（kw） | 1.5 | 1.5 | 1.5 | 1.5 |
| Conditioning power（kw） | 7.5 | 11 | 11 | 11 |
| Screw diameter（mm） | 75 | 120 | 120 | 150 |
Scope of Application
dry dog food production with multiple raw materials and formulas
high-protein, multi-formula pet pellets
production needs for frequent formula or flavor switching
high-yield, batch production requirements
Other Applications
fish feed
shrimp feed
cat food
Equipment Advantages
- Handle various raw materials and formulas, meeting high-protein or multi-flavor production demands
- Uniform expansion, controllable density, stable pellet specifications
- Screws work in coordination, ensuring uniform mixing, high output, suitable for batch production
- Convenient formula adjustment and switching, reliable operation, controllable maintenance costs
Dog Food Machine for Sale – Key Features & Advantages
RICHI’s single and twin screw dog food making machines are designed for pet food processing, offering outstanding performance and practical advantages in formula adaptability, forming effects, operation, and production. They can comprehensively meet the production needs of dog food processing at different scales, helping to enhance production efficiency and product quality.
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Broad Formula Adaptability
Compatible with both single screw and twin screw models, it can flexibly handle complex dog food formulas such as high-protein, high-fat, and high-fiber, adapting to various product types like complete diets and functional foods, meeting diverse production needs.
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Excellent Forming Performance
The expansion degree is precisely controllable, resulting in pellets with uniform density, smooth surface, and resistance to breakage. It supports customization of multiple shapes and specifications, ensuring stable final product structure that aligns with dogs’ chewing and eating habits.
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Stable and Efficient Production Capacity
The wear-resistant screw combined with a powerful drive system allows the equipment to run continuously for long periods without material jamming or machine blockage, ensuring stable output and meeting continuous production requirements across different scales.
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High Operational Reliability
The overall structural design is reasonable, with mature selection of key components, ensuring stable operation during use, making it suitable for long-term, high-load working conditions.
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Convenient Operation and Maintenance
The operating logic is clear, and maintenance points are well-arranged, facilitating daily inspection and upkeep, effectively reducing downtime and labor input.
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Controllable Overall Operating Costs
While ensuring production capacity and forming quality, energy consumption and maintenance costs remain within a reasonable range, helping to enhance the overall value of the equipment.
Dog Food Machine Explained — Why Every Part Counts
A high-quality dog food pellet machine relies on the precise coordination of dedicated components through every processing step, from feeding and extrusion to shaping and pellet cutting.
Each component performs its specific function in a closely linked sequence, where the design and quality of any single part directly impact the forming effect, production efficiency, and product quality of the dog food. Only when each component delivers optimal performance can the entire machine operate stably, ensuring the production of high-quality expanded dog food.
Main Motor
Main Motor
- Function: Provides power for the entire extruder.
- Principle: The main motor drives the gearbox and screw to rotate, which pushes, mixes, presses, and shapes the raw materials.
- Note: Its power level directly determines the machine’s output capacity. A stable motor ensures a smooth production process and high-quality pellets.
Gear Box
Gear Box
- Function: Regulates and transfers the speed and torque from the main motor to the screw.
- Principle: Through a system of gears, it reduces the motor’s high speed but increases its turning force (torque) to what the screw needs.
- Note: The gear box ensures the screw pushes material forward evenly under high pressure. It’s a core component that keeps the extruder running stably.
Screw
Screw
- Function: Transports, mixes, and plasticizes the raw ingredients, pushing them toward the final shaping section.
- Principle: As the screw turns, it creates shear, pressure, and mixing, which heats and expands the ingredients.
- Note: The screw’s length, diameter, pitch, and shape affect the extrusion speed, as well as how much the pellets puff up and their density. It is the key part that determines pellet quality.
Barrel
Barrel
- Function: The outer shell where the screw is located. It withstands pressure and provides a controlled heating or cooling environment.
- Principle: Heaters or water jackets can be installed on the barrel to control the material’s temperature. Inside, the material is pressed into shape by the rotating screw.
- Note: The barrel must be made of durable, wear-resistant, and heat-resistant materials. This ensures the material cooks evenly without sticking to the walls or leaking out.
Heating Ring
Heating Ring
- Function: Controls the temperature of the material during extrusion.
- Principle: Heating rings wrap around the barrel, using either electricity (for dry type cat food pellet machine) or steam (for wet type cat food making machine ) to bring the material to the ideal cooking temperature.
- Note: Too high a temperature can destroy nutrients, while too low a temperature will prevent the pellets from puffing properly. The heating ring maintains a stable temperature, which is crucial for good formation and expansion.
Cutter
Cutter
- Function: Cuts the long, continuous stream of extruded material into uniform pellets.
- Principle: After the material is pushed through a die, a rotating or vibrating cutter slices it into pieces of the desired length.
- Note: The cutter’s material and blade angle affect the pellet’s appearance, surface smoothness, and consistency. Different molds and cutters can be used to produce various sizes and shapes.
Dog Food Production Line Solution——Based on the Dog Food Making Machine
In the early stages of dog food production, a single machine may suffice for basic forming needs. However, as output increases, formulas diversify, and stability requirements rise, relying solely on standalone equipment struggles to balance efficiency with consistency.
We offer tailored, comprehensive dog food production line solutions designed to match varying production scales, product positioning, and processing demands.
These integrated systems combine core equipment across the entire workflow—from raw material handling, extrusion, and expansion to cooling, drying, and packaging—ensuring seamless, standardized operations. This all-in-one approach meets diverse scenarios, from small-scale trial production in workshops to large-volume manufacturing in industrial plants.
01
Pre-processing
To check and prepare all basic ingredients (like meat, grains, fruits, vegetables, minerals, and vitamins). This includes removing impurities, sorting, using magnets to catch metal, pre-crushing large pieces, and adjusting moisture levels.
02
Crushing
Large or coarse raw materials are ground into a uniform, fine powder using special grinding equipment. The fineness can be adjusted based on the product’s recipe.
03
Mixing
The various ground ingredients are mixed together in precise ratios inside a high-speed mixer. This ensures everything is evenly blended. Sometimes, binders or water are added at this stage to help the mixture stick together.
04
Extrusion
In the extruder, ingredients are cooked under high temperature and pressure. This not only makes them safe and nutritious, but also perfectly shapes them into specific dog food pellet shapes and sizes.
05
Drying
Freshly made pellets are soft and have high moisture content. They must go through a dryer with hot air. This prevents spoilage, extends shelf life, and makes the pellets harder.
06
Spraying
This step coats the dry dog food pellets with fats, palatants (flavor enhancers), or vitamins. It restores nutrients, boosts aroma to attract pets, and gives the kibble a shiny finish.
07
Cooling & Screening
The warm, coated pellets are cooled to make them hard and stable. They then go through a sieve to remove any broken pieces or dust, ensuring only perfect pellets move forward.
08
Packaging
The finished pellets are automatically weighed, bagged, sealed, and labeled. Some advanced lines may also include extra steps like metal detection, vacuum sealing, or adding nitrogen gas for freshness.
Auxiliary Equipment in the Dog Food Production Process
The standardized and large-scale production of dog food doesn’t rely solely on the core pet food extruder. From initial raw material processing to final product packaging, each stage requires auxiliary equipment to work in coordination.
Such equipment not only serves as an efficient supplement to a single extruder but is also crucial for ensuring smooth operation, product quality, and production efficiency across the entire dog food production line. It links all stages of dog food manufacturing, making production more standardized and hassle-free.
Cylindrical primary cleaning screen
Production: 1-25 tons/hour
Power: 30-160 kW
Removes large impurities like stones, ropes, and debris.
Hammer mill
Grinding fineness：0.5-20mm
Rotational speed ：2980 rpm
Uses high-speed rotating hammers to crush raw materials into the desired particle size.
Paddle mixer
Effective volume ：0.5-4 m3
Mixing amount per batch ：250-2000 kg/P
Thoroughly mixes multiple raw materials and additives according to the formula.
Belt dryer
Pellet Size ：6-8mm
Mesh belt width ：0.8-1.6 m
Uses continuous conveying to evenly dry formed materials, reducing moisture content.
Vacuum spraying machine
Matching production capacity:1- 15 t/h
Batch working time: 6 min
Uniformly sprays oil or functional liquids onto pellet surfaces under vacuum conditions.
Cooler
Drying area：13-58m2
Mesh belt width ：0.8-1.6 m
Uses counter-flow cold air to cool hot pellets.
Screener
Output: 2-50 tons/hour
Screen angle ：19°
Separates qualified pellets from powder, oversized, or undersized particles.
Fully automatic packaging machine
Package range ：10-50kg/bag ( adjustable )
Packaging speed ：2-8 packs/minute
Automatically weighs, fills, and seals finished feed products.
Other Accessary Equipment
Besides the core processing and conventional supporting equipment, there are various other auxiliary devices in dog food production. Although they don’t participate in the core extrusion and expansion process, they play crucial roles in the details of production.
From connecting processes, ensuring environmental conditions, maintaining equipment, to improving efficiency, they comprehensively safeguard the standardized production of dog food, making the entire production line operate more smoothly and efficiently.
For example, the liquid addition device, screw conveyor, iron removers, and pulse dust collector below. Each of them performs a specific function, just as their names suggest, providing reliable support for the production process.
Case Sharing of Dog Food Production Equipment
From standalone machine configurations to fully automated production lines for large factories, we have accumulated extensive experience in implementing dog food production equipment across various scenarios and scales.
Below, we will share practical insights on equipment selection, solution design, and on-site application based on different production needs and actual operation cases, providing references for building your dog food processing line.
the US
1.5-2 T/H Fish Feed & Pet Food Mill in the US
We engineered this custom, multi-purpose production line to break down market barriers, perfectly accommodating both the aquatic feed and pet food industries. Through a flexible configuration of its raw material processing, extrusion, and post-processing sections, the line can be easily switched between different products.
Capacity: 1.5-2 T/H
Application: Pet food for cat & dog
Pellet Specifications: 2-12 mm
China
2.5 T/H Pet Food Production Line in China
This is a fully automated pet food production line, configured according to the client’s capacity planning and product requirements. The client decided to build this line based on their assessment of industry trends and market potential in the pet food sector. Currently, the installation and commissioning have been completed, and the line has officially commenced operations.
Capacity: 2.5 T/H
Application: Pet food for cats, dogs, turtles
Pellet Specifications: 3-6 mm
Turkey
1 T/H Pet Food & Floating Fish Feed Production Line in Turkey
Having been engaged in aquaculture for a long time, the client noticed the rise of the local pet food pellet market during his research into the fish feed market, and thus decided to adopt a production line with a dual-purpose design.
Capacity: 1 T/H
Application: Cat food, dog food and floating fish feed
Pellet Specifications: 2-6 mm
• the UK
8 t/h extruder machine for aquafeed & pet food
• Denmark
6 t/h twin screw extruder for pet food
• Germany
5 t/h wet type cat & dog food extruder
• Poland
10 t/h twin screw extruder to make fish, shirmp feed & pet food
How RICHI Plans Your Dog Food Production
Facing the initial challenges of dog food production: Are you worried about high upfront investment and want to start with a single pet food extruder for trial production? Or do you already have stable orders and urgently need a full-process setup to link “raw materials – forming – packaging” for large-scale production?
RICHI doesn’t use one-size-fits-all templates. Instead, we offer customized plans tailored to these two core needs: either a standalone dog food extruder or a complete dog food production line.
The following will break down the suitable scenarios and practical value of each approach, helping you avoid blind investments and find a production solution that fits your current stage.
Option 1: Purchase A Dog Food Extruder Machine
Applicable Scenarios
Small-scale processing plants, or as backup/complementary equipment for existing production lines.
Meeting small-batch production needs, such as customizing niche formula dog food for local pet stores or private customers.
Advantages:
• Low investment cost, no need for complex site planning, small equipment footprint, low operational threshold, basic operations like feeding raw materials and setting parameters can be done by a single person;
• Compatible with both single/twin-screw models, flexible in handling common formulas like meat powder and grains, easily achieving pellet expansion and shaping, quickly validating product market feedback.
Limitations:
• Can only complete extrusion and shaping, unable to handle pre-processing steps like raw material cleaning, crushing, mixing, drying, etc.;
If there’s diversity in raw material types or formulas, production efficiency may be affected;
• To expand production capacity or add functions later, additional equipment purchases are needed, potentially leading to higher overall costs;
Standalone use requires high yield and stability, prone to discontinuous production or fluctuations in pellet quality.
Option 2: Purchase A Complete Dog Food Production Line
Applicable Scenarios
Professional breeding companies, pet food factories, or plants aiming to establish standardized production, improve efficiency, and increase output, especially suitable for clients needing flexibility to respond to different products and market demands.
Advantages:
• Integrated production: Continuous operation from raw materials to finished products, reducing manual intervention, enhancing production efficiency;
• Flexible adaptation: The production line can be adjusted according to different formulas, raw materials, or pellet specifications, enabling diversified production;
• Stable and reliable: Systematic layout reduces downtime risks, ensuring consistent output and uniform pellet quality;
• Long-term cost optimization: Although initial investment is higher, long-term costs are lower due to coordinated equipment operation, reduced secondary processing, and less human involvement;
• Scalability: Easier to increase capacity or extend product types (e.g., fish feed, pet food) in the future.
Limitations:
High initial investment, requiring significant capital and space;
Operation and maintenance require certain technical training;
Demands some level of production planning and process management.
Whatever You Need, We’re Here to Support
When you purchase our equipment, we provide end-to-end support for your entire project. Every step of the way, we are here to help.
Design
In the early stages, RICHI creates a complete process and equipment configuration plan based on your product type, capacity goals, and site conditions.
Manufacturing
All core equipment is manufactured and assembled in our own facilities under strict quality control standards. Key components are tested and inspected before leaving the factory.
Transportation
Once manufacturing is complete, equipment is properly disassembled, packaged, and crated. We arrange suitable logistics based on your location and requirements.
Installation & Commissioning
Upon arrival, RICHI provides online or on-site guidance for installation and commissioning, assisting with placement, connection, and trial runs.
Training
Before production begins, we provide targeted training for your operators, covering equipment operation, daily maintenance, and troubleshooting common issues.
After-Sales
After your line is operational, we offer continuous technical support and after-sales service. Through remote guidance, spare parts supply, and regular communication, we help you resolve any challenges that arise.
Questions & Answers
1. What types of dog food can this machine produce?
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Our dog food extruder is highly versatile. It can produce complete-diet dog foods (for puppies, adults, and senior dogs), breed-specific formulas (small, medium, and large breeds), as well as functional dog foods such as those for coat health, digestive support, or hypoallergenic needs.
It also supports various forms like expanded pellets and column-shaped kibble, with adjustable particle size and expansion levels to meet different formulations and market demands.
2. Can your dog food pellet machine produce dog food pellets with stable quality?
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You can rest assured. Our dog food pellet machine features a precise temperature control system and wear-resistant screw design, ensuring stable control over extrusion pressure and expansion. The resulting pellets are uniform in size, consistent in density, smooth on the surface without stickiness, and resistant to breakage.
During operation, parameters can be accurately adjusted and locked in real time, effectively preventing deviations in pellet specifications during mass production, thus guaranteeing batch-to-batch consistency.
3. Is the dog food machine only for producing dog food? Can it make cat food or other products?
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This equipment isn’t limited to just dog food. With minor adjustments to processing parameters and a change of die, the core model can also produce expanded cat foods, including kitten food, adult cat food, and formulas for weight gain or facial development.
Additionally, it can process pet snack pellets, fish feed, bird feed, and various other expanded pet foods and aquatic feeds. One machine can handle multiple product categories, significantly enhancing equipment utilization.
