VERTICAL WOOD PELLET MACHINE
The vertical wood pellet machine is a high-efficiency pelletizing equipment specifically designed for pressing biomass raw materials such as wood chips, sawdust, shavings, and straw into fuel pellets.
WORKING PRINCIPLE OF VERTICAL WOOD PELLET MILL
Our industrial vertical pellet machine features a vertical structure design. Material enters the pressing system from top to bottom, where it is extruded into cylindrical pellets by the pressure of high-pressure rollers and a ring die.
Wood chips and other raw materials enter the pelleting chamber of the vertical wood pellet machine through the feeding system. Under gravity, the material is evenly distributed on the surface of the ring die. Driven by a motor, the pressure rollers rotate at high speed, forcefully squeezing the material into the die holes. Under high temperature and pressure, it becomes cylindrical pellets and exits from the outlet.
- Capacity range: 1-10T/H
- Finished pellet characteristics: High density, easy to store and transport; high calorific value, can replace coal; low moisture content, very stable combustion; low ash content, sufficiently environmentally friendly and clean; meets export fuel standards.
- Applications of the Vertical Wood Pellet Machine: Biomass fuel plants, wood pellet fuel plants, wood processing plants, boiler fuel alternative energy projects, agricultural waste resource utilization, wood processing waste treatment, export-oriented fuel pellet production lines, etc.
CORE ADVANTAGES & TECHNICAL FEATURES
The vertical wood pellet machine employs an advanced vertical ring die structure design, fully utilizing the material’s own weight for uniform distribution, effectively improving pelleting efficiency and pellet quality while reducing equipment wear and operating costs.
With a stable transmission system, wear-resistant core components, and intelligent control technology, the equipment can meet the demands of long-term continuous production.
Vertical Gravity Feeding Design
Material enters the pressing area evenly under its own weight, avoiding bridging and clogging problems, improving feeding stability and pelleting efficiency.
High-Strength Ring Die Pressing System
Utilizing a ring die and pressure rollers made of highly wear-resistant materials, high-pressure extrusion achieves rapid forming, resulting in high pellet density and stable calorific value.
Intelligent Automatic Lubrication System
The equipment is equipped with a centralized automatic lubrication system, providing timed and metered lubrication to key components, reducing manual maintenance and extending the service life of bearings and transmission components.
High-Efficiency Gear Transmission Structure
Employing a high-torque precision gear transmission, it offers higher efficiency, lower power loss, and more stable and reliable operation compared to traditional belt drives.
Wear-resistant core component design
Key components are manufactured using special heat treatment processes and highly wear-resistant materials, suitable for high-fiber, high-hardness biomass raw materials.
24-hour continuous production
The equipment has strong continuous production capabilities and can maintain long-term continuous and stable operation, meeting industrial-grade production requirements.
EQUIPMENT SPECIFICATIONS
RICHI vertical wood pellet machines offer a variety of models to meet diverse capacity needs, from small pellet mills to large-scale industrial production projects. Custom configurations are also available based on raw material characteristics, target output, pellet size, and level of automation.
Below are the main technical parameters of the vertical wood pellet mill for your selection reference. You can also contact us directly; our professional technical consultants will create an efficient pelleting solution for you.
| Model | V-MZLH560A | V-MZLH560B | V-MZLH850A | V-MZLH850B | V-MZLH928 | V-MZLH1180 |
| Power(KW) | 90 | 160 | 220 | 280 | 355 | 630 |
| Finished Particle Size(mm） | 2-12 | 2-12 | 2-12 | 2-12 | 2-12 | 2-12 |
| Mold Type | Ring Die | Ring Die | Ring Die | Ring Die | Ring Die | Ring Die |
| Production Capacity(T/H) | 1-1.2T/H | 1.5-2T/H | 2.5-3T/H | 3-4T/H | 4-5T/H | 7-10T/H |
SUITABLE RAW MATERIALS
Our vertical biomass pellet machine has wide applicability to various raw materials. The highly wear-resistant core components enable the equipment to still have a high-strength pressing effect on hard materials. The following raw material types can be pelletized using the Industrial Vertical Pellet Machine.
Sawdust
other biomass
corn stalk
rice husk
bagasse
bamboo dust
palm fiber
wood shavings
PROJECT CASES
RICHI Manufacture boasts over 30 years of experience in manufacturing pelletizing equipment, with its equipment deployed in more than 140 countries and regions worldwide. Over 2,000 projects demonstrate the deep trust our global clients place in us. Below are a few examples of wood pellet machine projects to help you make informed investment decisions.
Vietnam
1-1.2T/H Rubberwood Processing Project
Utilizing rubberwood byproducts from local furniture factories to produce fuel pellets, providing clean energy for industrial boilers.
Thailand
1.5-2T/H Acacia Wood Chip Pelletizing Project
Leveraging abundant acacia wood-related waste resources, processing them into high-quality pellet fuel to replace other polluting fuels.
Poland
2.5-3T/H Pine Shavings Pelletizing Project
Primarily producing high-density wood pellets from pine-related waste materials to meet the needs of the local residential heating market.
USA
3-4T/H Fuel Pellet Project
Processing fuel pellets using abundant forestry resources; the raw materials are diverse, primarily supplying industrial boilers and district energy systems.
Brazil
4-5 T/H Eucalyptus Waste Pelletizing Project
This project primarily uses eucalyptus processing waste to produce pellet fuel, providing an alternative energy source for industrial steam boilers.
Canada
7-10 T/H Large-Scale Clean Energy Exporter Project
This project achieves large-scale pellet production by integrating forestry resource waste, mainly exporting to the European and Asian biomass energy markets.
VERTICAL BIOMASS PELLET PRODUCTION LINE
Our vertical biomass pellet production line features a modular design, allowing for customization based on raw material type, moisture content, production capacity, and finished product standards. The entire line encompasses multiple stages, including raw material processing, pelleting, post-particle processing, and packaging and storage, ensuring the final pellets possess high density, high calorific value, and excellent combustion performance.
1
Raw Material Cleaning:
Before entering the production line, biomass raw materials undergo a cleaning process to remove impurities such as stones, metal, ropes, and plastics. This prevents equipment wear and blockages, improves production safety, and guarantees the quality of the finished pellets and the long-term stable operation of the equipment.
2
Crushing System:
For larger raw materials, crushing equipment is used to process them into a suitable pelleting state. Crushed materials are more uniform, facilitating subsequent moisture control and extrusion pelleting, thereby improving pellet formation rate and production efficiency.
3
Drying System:
Excessive moisture content in raw materials severely affects pellet formation. Therefore, a drying system is essential to strictly control the moisture content of the raw materials. Depending on the raw material characteristics and production capacity requirements, both rotary drum dryers and mesh belt dryers are available.
4
Pelletizing System:
Pelletizing is the core of the entire production line. After a series of processing steps, the raw materials are fed into the vertical wood pellet machine, where they are extruded under high temperature and pressure by pressure rollers and ring dies to form high-density fuel pellets.
5
Cooling System:
Freshly pressed pellets are very hot and not yet hard enough, requiring timely cooling. Cooling further improves the hardness and strength of the pellets and dries them, preventing breakage and mold growth during storage and transportation.
6
Screening System:
The cooled pellets enter the screening system to separate finished pellets from unqualified fragments. Qualified pellets proceed to the packaging stage, while the screened powder can be returned to the pelletizing process for reuse, thereby improving raw material utilization and product qualification rate. Our pellet forming rate is over 98%.
7
Packaging System:
The screened finished pellets are weighed and packaged by an automatic packaging system. Small bag packaging, ton bag packaging, or bulk packaging can be selected according to market demand. Packaging the granules makes them easier to store, transport, and sell, increasing product added value and market competitiveness.
COMPLETE SET OF PRODUCTION LINE EQUIPMENT
As a vertical pellet machine manufacturer, we are also China’s largest “full-line” equipment manufacturer. We independently produce all the equipment needed for each stage of the production line, and have in-depth knowledge of production line design and equipment, enabling us to design more efficient production lines.
WHY CHOOSE A VERTICAL STRUCTURE?
The vertical wood pellet machine features a unique vertical layout design, offering significant advantages over traditional horizontal pellet mills in terms of raw material adaptability, equipment stability, and continuous production capacity.
For production enterprises processing high-fiber biomass raw materials such as sawdust and straw, the vertical structure effectively improves production efficiency, reduces operating costs, and achieves a higher return on investment.
Smoother Feeding
The vertical structure fully utilizes the material’s own weight to achieve uniform material distribution, avoiding uneven material distribution, blockage, and bridging. Raw materials can continuously and stably enter the pressing area, thereby improving pelleting efficiency and pellet quality, making it particularly suitable for high-fiber raw materials.
Longer Service Life
In the vertical structure, material is evenly distributed on the ring die working surface, resulting in more balanced force on the pressure rollers. This effectively reduces localized wear, extending the service life of the ring die and pressure rollers, reducing maintenance frequency, and significantly lowering replacement costs for spare parts.
More Reliable Continuous Operation
The vertical pellet mill employs a heavy-duty transmission system and optimized heat dissipation design, enabling it to maintain stable operation over long periods. For large-scale production, it can achieve 24-hour continuous production, reduce downtime, and improve equipment utilization and overall capacity.
OUR ADVANTAGES
We possess a comprehensive team system covering R&D, manufacturing, installation and commissioning, and after-sales service. Our goal is to provide global clients with professional and efficient one-stop solutions, ensuring the smooth and stable operation of every project.
Technological Advantages
We have an experienced professional R&D and engineering team with over 30 years of industry experience. We continuously optimize the structure and processes of our core equipment, maintaining a leading position in the industry and providing global clients with efficient, stable, and intelligent feed processing solutions.
Quality Advantages
We strictly adhere to standardized production and quality control processes. We implement extremely stringent quality control on our equipment. Core components are manufactured using the best materials and the most advanced processing technologies to ensure the operational quality and safety of the equipment.
Price Advantages
We have a manufacturing plant covering over 60,000 square meters. With a mature manufacturing system, large-scale production capacity, and a complete supply chain, we can provide clients with more competitive prices and higher cost-effectiveness production line solutions while ensuring equipment quality.
Service Advantages
We have established a comprehensive global service system covering pre-sales solution design, equipment installation and commissioning, operation training, and after-sales technical support. For parts replacement, we also provide timely solutions worldwide to ensure you receive end-to-end, one-stop service support.
FREQUENTLY ASKED QUESTIONS
After reading this article, do you still have any questions? We have prepared answers to some frequently asked questions for you. You can also contact us directly, and we will arrange a professional technical consultant to provide you with one-on-one free answers.
What is the optimal moisture content for making wood pellets?
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Generally speaking, the optimal moisture content for raw materials is around 13%. If the moisture content is too high, the pellets are prone to loosening and not forming properly; if the moisture content is too low, the pellets will be difficult to press and will also wear down equipment more easily, reducing output. Therefore, most production lines need to be equipped with a drying system to stabilize the moisture content.
How much investment is required to build a vertical biomass pellet production line?
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The investment required to build a production line varies greatly, depending on the production scale, raw material type, type of equipment, and degree of automation. Generally, a small production line requires $200,000-$300,000; a medium-sized production line requires $300,000-$800,000; and a large industrial production line requires $800,000-$200,000 or more. A more detailed estimate from a technical consultant is needed.
What is the profit margin of a wood pellet production line?
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Wood pellets are a renewable energy fuel with stable market demand, especially in Europe, North America, and Southeast Asia. Profit margins primarily depend on raw material costs and market prices. If the raw materials come from wood waste or furniture factory scraps, the profit margin is usually quite substantial.
What are the advantages of wood pellet fuel compared to coal?
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Wood pellet fuel has significant advantages over coal. Firstly, it has lower carbon emissions, making it more environmentally friendly. It burns more stably with less ash, and it’s a renewable resource. The pellets are cleaner and easier to transport and store, making them increasingly popular in countries with strict environmental policies.
How much factory space is needed for a vertical wood pellet machine?
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Generally, depending on production scale, a factory area of 200-1500 square meters is required. The specific area will need to be adjusted based on equipment layout and storage requirements. We will consider your factory area when designing the production line and then design the structure accordingly to meet your needs.
Is a vertical wood pellet mill easy to operate?
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Yes, it is easy to operate. Modern vertical wood pellet mills are highly automated, generally requiring only basic training to operate. The production line can be equipped with a PLC control system for automatic operation and monitoring, reducing reliance on manual labor. Furthermore, we will provide operational training after installing and commissioning the equipment until you have fully mastered its operation and maintenance. In addition, we will respond promptly to your inquiries and resolve any issues you may have.
