Vertical Ring Die Pellet Machine
What is a vertical ring die pellet machine?
Why is it called a vertical ring die pellet machine? As the name suggests, the machine adopts a vertical structure. Unlike traditional ring die pellet mills, it places the ring die horizontally and supports it with a large bearing seat at the bottom. This design directs the pressing force from the ring die and rollers to the frame, improving structural stability and reducing wear on critical components.
Furthermore, this structure allows high-fiber raw materials such as pine wood, wood chips, sawdust, straw, and rice husks to fall naturally into the pelleting hopper without causing material accumulation or blockage. Combined with the assistance of a feeder, the entire pelleting process is smooth and stable.
From an overall perspective, the vertical design reduces the machine’s footprint. This is good news for startups looking to enter the biomass pelleting field, as well as some small and medium-sized manufacturers. This means they can quickly start a pellet production operation with lower investment costs, without taking on excessive risks.
How do vertical ring die pellet machines work?
Let’s take a look at the workflow of the Industrial Vertical Pellet Machine to appreciate better its unique advantages in processing raw materials.
Our feed inlet has been enlarged, allowing you to feed in more raw materials at once. As the material enters the pelleting chamber under its own weight, the pressure rollers continuously compress it, forcing it through the ring die to form a smooth strip. Finally, the cutter cuts it into uniformly sized pellets.
We offer die orifices ranging from 4-12mm, and the distance between the cutter and the ring die is also adjustable. This means you can use this vertical ring die pellet machine to produce fuel, bedding, and organic fertilizer pellets in various sizes.
Structural components of a vertical ring die pellet machine
The vertical ring die pellet machine has undergone a comprehensive optimization and upgrade. It’s not just about a smoother feeding structure. We’ve selected wear-resistant materials and a superior heat dissipation system, giving the equipment a significant advantage in processing biomass raw materials.
Variable frequency feeder
The equipment features a variable frequency feeder, allowing for flexible adjustment of the feeding speed. This means you can experiment with more raw material formulations, as long as you control the feeding rhythm. No extra cost is required.
Pressure rollers and ring dies
We use alloy steel to manufacture the ring dies and pressure rollers. This is because the materials processed by our equipment are often high-fiber materials. Alloy steel is highly wear-resistant, and its core components do not require frequent replacement even after long-term use, thus reducing production costs.
Siemens Motors
Siemens motors are highly efficient and energy-saving. They are high-quality industrial-grade drive equipment. For the same output, they require approximately 5%-15% less energy than standard motors.
Gear transmission
The gear drive employs a high-precision gear meshing structure. Even under high-load conditions, slippage is not a frequent occurrence. Furthermore, the gears operate entirely within the housing, preventing external dust and powder from entering. This effectively reduces equipment wear and extends its lifespan.
Automatic lubrication
The automatic lubrication system can inject grease into worn parts of the spindle and bearings at set intervals and in set quantities. The lubrication system starts working automatically after the equipment is started, thereby reducing the frequency of manual maintenance.
Heat dissipation design
The equipment casing has ventilation holes to remove the heat generated during granulation. Simultaneously, an external dust collection system collects dust, further improving airflow and achieving a cooling effect.
Advantages of vertical ring die pellet machine
Our vertical ring die pellet machine has passed the stringent international CE and ISO tests. It boasts safe, stable, and reliable performance.
Stable molding effect
The vertical feed structure allows lightweight raw materials to maintain good flow. The ring die and pressure roller can continuously apply pressure to produce uniform and compact particles.
continuous production
The equipment uses heavy-duty bearings and high-wear-resistant ring dies, enabling it to withstand continuous, high-intensity operation. Simultaneously, its superior feeding system reduces downtime, resulting in higher output during actual operation.
Easy to repair
The vertical structure allows for a more concentrated distribution of the transmission and granulation components. If a problem arises requiring maintenance, workers can quickly locate the issue and restore production.
Various models of vertical ring die pellet machines
We offer various models of vertical pellet mills, with capacities ranging from 1 to 10 tons per hour. This can meet the needs of biomass pellet production projects of different scales. If you are unsure how to choose, please feel free to contact us.
| Model | V-MZLH 560A | V-MZLH 560B | V-MZLH 850A | V-MZLH 850B | V-MZLH 928 | V-MZLH 1180 |
| Main Motor Power (kW) | 90 | 160 | 220 | 280 | 355 | 630 |
| Finished Pellet Diameter (mm) | 4~12 | |||||
| Output (T/H) | 1-1.2T/H | 1.5-2T/H | 2.5-3T/H | 3-4T/H | 4-5T/H | 7-10T/H |
| Vertical Wood Pellet Machine Price | $10,000-$100,000 | |||||
Applications of vertical ring die pellet machines
The vertical ring die pellet machine is a new type of biomass pelletizing equipment. It can process the vast majority of biomass raw materials, producing smooth and compact pellets. It is currently used in industrial energy and agricultural fields and has achieved a good return on investment.
Multiple raw materials
- Wood-based raw materials: wood chips, logs, wood flakes, sawdust, branches, wood waste. These materials have good flowability but are too loose.
- Straw-based materials: corn stalks, wheat stalks, cotton stalks, etc. These raw materials have long fibers and are prone to tangling. Vertical feeding reduces the conveying distance and lowers the risk of material blockage.
- Shell-based materials: palm shells, coconut shells, peanut shells, sunflower seed shells, etc. These materials are hard and have poor flowability. Gravity feeding is more suitable for ensuring uniform and smooth feeding.
- Mixed raw materials: These have complex origins and fluctuate greatly in moisture content and size. Variable frequency feeders can adapt to different material characteristics.
Various application scenarios
- Industrial Boiler Fuel: Vertical pellet mills can process various biomass wastes into combustible pellets, providing factories with a stable and clean alternative fuel.
- Biomass Power Generation: Power generation no longer relies on traditional fuels such as coal. Biomass pellets produced by vertical pellet mills have a wider range of sources and lower costs, helping to reduce fuel expenditures.
- Heating Systems: The produced pellets can also be supplied to home fireplaces. After complete combustion, they leave almost no ash, making cleaning easier.
- Animal Bedding: Vertical ring die pellet machines can also produce bedding pellets for cattle, horses, cats, and other animals. These granules are highly absorbent, smooth, and dust-free. They are becoming increasingly popular in modern aquaculture.
Start your pelleting project
This equipment can process various complex raw materials. However, it has certain requirements regarding the moisture content and size of the raw materials. If you are unsure whether your raw materials are suitable for this equipment, we can help you with a free raw material test.
Complete vertical ring die pellet production system
To better meet diverse production needs, we offer not only standalone vertical ring die pellet machines, but also complete production equipment and customized production solutions. This will be a key step in starting your biomass pellet business.
Cleaning raw materials
We have a variety of cleaning equipment for different types of impurities, including permanent magnet drums and cleaning screens. We will configure the equipment according to the condition of the raw materials.
Crushing Section
Especially when dealing with long logs, straw, etc., directly feeding them into the pellet mill can cause blockages. In this case, we use a pulverizer to break the material into powder. Generally, a powder size of 3-5mm is the most suitable for pelleting.
Drying raw materials
When making biomass pellets, if the raw material has too high a moisture content, we recommend using a professional dryer to remove the moisture. The dryer’s rotation speed can be adjusted according to the moisture content of different materials. Therefore, it is suitable for various fibrous, blocky, and powdery biomass raw materials.
Biomass pelleting
Now, we’ve arrived at the core of the entire production line. The high-temperature environment of the vertical ring die pellet machine rapidly softens the lignin in the biomass raw materials. This is a natural binder, eliminating the need for any additional chemicals.
Cooling pellets
For pellets just discharged from the pellet machine, whether you intend to use them directly or sell them on the market, it is not suitable. This is because the pellets are still very hot and soft. The pellets need to be cooled and shaped first.
Packaging
Finally, the automatic packaging scale accurately measures the weight of the qualified particles and then packs them into sealed bags for storage.
Case Study of Vertical Ring Die Pellet Machines
— Richi Machinery —
RICHI has successfully deployed its vertical ring die pellet machines in 140 countries and regions worldwide. Our experienced technical team provides the most suitable solutions for each customer’s needs, ensuring rapid production, stable operation, and a competitive edge in the market.
1.6-2T/H Vertical Ring Die Granulator in India
This is a biomass production line built for an agricultural cooperative in India. The client mainly grows rice, corn, and peanuts. Every harvest season, they generate a large amount of agricultural waste, which they previously burned directly. However, the demand for biomass fuel in Indian factories is constantly increasing. The client wanted to use locally sourced materials to produce pellets suitable for industrial boiler combustion, thereby generating additional revenue.
Considering that the amount of agricultural waste available to the client varies each season, we chose a vertical ring die pellet press as the core equipment—it is more adaptable to raw materials. Furthermore, the hot and rainy season in India can make the raw materials too moist, so we also added a dryer and a cooler to ensure good pellet formation.
- Pellet size: 6-8mm
- Production equipment: Crusher, V-MZLH 560B vertical wood chip pellet machine, dryer, cooler, packing scale
- Production line price: US$120,000
3-4T/H Vertical Ring Die Pelletizer in Vietnam
The client operates a timber processing plant, primarily exporting rubberwood furniture. He wanted to process rubberwood chips into wood pellets and commissioned us to build a small-to-medium-sized wood pellet production line.
Furthermore, the client specifically requested high-quality pellets. As rubberwood chips are known to have high density and hardness, we made special adjustments to the vertical ring die biomass pellet machine. By using a high compression ratio structure, we increased the extrusion strength, thereby improving the pellet formation rate.
- Raw Materials: Rubberwood chips, shavings, sawdust
- Pellet Diameter: 6-12mm
- Main Equipment: Crusher, Magnetic Remover, Rotary Drum Dryer, V-MZLH850B Vertical Ring Die Pelletizer, Cooler, Packaging System
- Production Line Price: US$230,000
7-8T/H vertical ring die pellet machine in Germany
The produced pellets are primarily used for residential heating and industrial combustion. The client is a biomass energy company. He wanted the production line to operate continuously and stably with a high degree of automation.
In this case, we configured a PLC intelligent control system for him. This design allows for one-button start-up of the entire production line and precise adjustment of key parameters of the pellet mill. More importantly, it issues warnings in case of machine overload or malfunction, alerting workers to perform timely repairs so that production can be restored in the shortest possible time.
- Production Line Equipment: Crusher, Cleaning Screen, V-MZLH 928 × 2 Vertical Ring Die Pelletizer, Dryer, Counterflow Cooler, Automatic Packaging System, PLC System
- Pellet Diameter: 6-12mm
- Operators: 3-4 people
- Production Line Price: US$450,000
Other equipment in the Vertical ring die pelleting production line
Below are some common pieces of equipment used in production lines. We offer a variety of models and types to ensure they can be integrated into production projects of all sizes.
Cylinder Pre-Cleaner
crusher
Rotary drum dryer
Counterflow cooler
vibrating screen
pulse dust collector
Automatic Packing Scale
conveyor
Why Choose RICHI?
By choosing RICHI Machinery, you work with a manufacturer with over 30 years of experience in animal feed equipment production and gain a reliable long-term partner. We provide affordable and transparent pricing, along with efficient and comprehensive after-sales service, so you can carry out your feed production with confidence.
Excellent after-sales service
After the Vertical ring die pellet machine arrives, we will carry out professional commissioning and acceptance. Our technicians will repeatedly commission the equipment in each production section to ensure the equipment operates up to standard. Additionally, if you are unfamiliar with our equipment, RICHI technicians will provide one-on-one on-site training until your team can operate the entire production line independently.
Customized design
RICHI has a dedicated R&D and design team to provide you with customized services. We offer over 200 products to meet all types of chicken feed production needs. In addition, we provide full-process design services, including site planning and equipment layout. Whether you are new to the feed industry or already operating a mature production line, just share your requirements with us, and we will deliver a tailored solution based on your actual situation.
High-quality equipment production
The production stage is the core link of the entire project implementation. We own two modern intelligent manufacturing bases and operate a strict quality control system. Every piece of equipment meets international first-class standards. The company has passed BV certification, ISO9001 International Quality Management System Certification, European CE Certification, and Swiss SGS Certification, among others.
Frequently Asked Questions
Here are some frequently asked questions. You can also contact us at any time for answers.
What are the moisture requirements for raw materials in vertical ring die pellet machines?
To achieve optimal pelleting results, we recommend a raw material moisture content between 13% and 15%. Excessive moisture can clog the die cavities during pelleting, resulting in loose pellets. Conversely, overly dry raw materials are also unsuitable, as insufficient moisture to soften them further complicates pelleting.
What are the differences between vertical and horizontal ring die pellet mills?
They both belong to the category of ring die pellet mills.
The most obvious difference is their structure. Vertical ring die pellet mills have a horizontally mounted ring die, resulting in a compact structure. Traditional biomass ring die pellet mills mount the ring die on the side, supported by a main shaft. This makes them more susceptible to fluctuations during pelleting.
Secondly, the vertical structure allows for material weight-assisted feeding, while horizontal pellet mills rely solely on machine feeding.
Regarding raw materials, vertical mills are well-suited for pressing materials that are difficult to shape. Horizontal mills require higher consistency in the raw materials.
Finally, horizontal pellet mills are more suitable for large-scale continuous production projects; vertical pellet mills are better suited for small to medium-sized pellet production.
Do you provide installation and training?
Of course. After the equipment arrives, you will not only see detailed installation videos, but our technical team will also provide installation assistance and on-site training. Generally, employees can operate the equipment proficiently within 1-2 days.
Do you offer after-sales service?
Yes, all our equipment comes with a 12-month warranty. During this period, we will provide free repair for any machine problems that are not caused by human error. In addition, you can enjoy lifetime technical support, ensuring your long-term stable production.
