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Sawdust Pellet Production Line

Sawdust Pellet Production Line

MODEL: MZLH320-858
APPLICATION: Sawdust Pellet Industry

Sawdust (or wood shavings) is a by-product or waste product of woodworking operations such as sawing, milling, planing, and routing. It is composed of small chippings of wood.

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Sawdust Pellet Production Line

Applications Of Sawdust Pellet Production Line

Why Make Sawdust Pellets?

1.Sufficient and cheap sawdust material source: Sawdust is the residue of wood processing factory. The amount of sawdust material is large and the price is cheap. Sawdust pellet mill can also be used to deal with life wastes such as leaves, straw and crops waste. It is a way to make waste profitable. And by making these biomass materials into fuel pellets, we no longer have worry how to dispose of these wastes.

2.Great demands for sawdust pellets: As the price of coal rise, finding coal fuel replacement is urgent. More and more people turn to biomass pellets. The market demand is large. Sawdust pellets not only be used at home in our daily life, but also can be applied to industrial production such as power plant.

Technical Features Of Sawdust Pellet Production Line

1. Feeder: feeding raw material into the pellet making chamber.the feeder is made of stainless steel.

2. Forced feeding unit: since the raw material is fluffy, and the bulking value is higher, we equip the force feeding device.

3. Pellet making unit: ring die and press roller inside work together to make the biomass wood raw material into wood pellet.

4. Main motor: driving the pellet making system.

5. We adopt the super quality Siemens brand motor in our machine.

Working Principle Of Sawdust Pellet Production Line

Pelletization Process of Sawdust Pellet Production Line

sawdust pellet production line flowchart

Raw Materials

Use sawdust as the main raw materials. To ensure sufficient raw material supplement and continuous production, the storage area should be around 500 square meters. You are suggested to prepare 500~600 tons of saw dust, which can ensure at least 15 days of pellet production. The ceiling of raw material warehouse should be able to resistant rain, lighting and wind. Set the production area at least 50 meters away from the living area, 30 meters away from the highway and power transformer. Besides, isolation measure and fire prevention facilities are also necessary, in order to ensure production safety.


Biomass pelletizing has strict requirements on the moisture content of raw materials. After screening, the saw dust will be sent to roller dryer by spiral conveyor. In the dryer machine, the sawdust can be dried to preset moisture content through hot air.


Sawdust Pelletizer is the key equipment of the complete pellet production line. In this system, we adopt 3 sets of BPM42 Ring Die Pellet Press which is featured of stable operation. The capacity of each set can reach 1.5 ton per hour. This pellet manufacturing machine can process saw dust, corn stalk, haulm, cotton stalks, peanut shells and many other biomass materials. The density of finished pellets can reach 1.0~1.3t/ m3.


When discharging from the pallet making machine, the temperature is around 80~90 ℃. The structure is relatively loose and easy to be broken. Through counter flow cooling system, the pellets will be cooled to room temperature and become tight and durable. Then, they can be packaged in bags or be conveyed to storage silo. Except cooling fan, the cooling system is also designed with cyclone separator which is used to separate the powder from the pellets and send the powder back to the front pelletizing procedure.


After cooling, screening system is needed to filter out broken pellets, so that to ensure the quality of final products. The broken pellets will also be sent to the front pelleting process.


Before packaging, the pellets will be screened again for recycling the fines. And then the pellets will be packaged. For domestic users, the pellets are preferred to be packed into bags with the sizes of 12, 15, or 20 kg. While for exporting, the pellets are usually shipped in one tone bags or in bulk which are usually wrapped in plastic to keep the moisture out. Compare with the large bulks or bags, the small bags are better for the pellets because the pellets are subject to less abrasion during delivery.


During summer, the production of wood pellets probably exceeds the demand and the pellets may have to be stored for several months. The storage facility should bee constructed of high concrete side walls that can withstand the pressure of the pellets. As stated, pellets easily disintegrate once they get wet, so it is very important that the building is water-tight, to prevent rain or condensation.

Model MZLH320 MZLH350 MZLH420 MZLH520 MZLH768 MZLH858
Capacity 300-400kg/h 500-700kg/h 1.0-1.2 t/h 2.0-2.5 t/h 2.5-4 t/h 3-4.5 t/h
Power 37kw 55kw 90kw 110/132kw 250/280kw 280kw
Final Pellet 6-12mm 6-12mm 6-12mm 6-12mm 6-12mm 6-12mm

Why Choose Richi

why choose richi
why choose richi
Introduction of RICHI
Strength certification

Richi Machinery is a professional manufacturing enterprise integrating scientific research and development, manufacturing, sales and service. We have developed and manufactured multifunctional pelletizers, grinders, mixers, dryers and more than ten categories and more than 30 models of complete machine products are widely used in feed, biomass, organic fertilizer, pet supplies, solid waste recycling, chemical industry, road construction and other fields. All RICHI products have passed ISO9001:2008 international quality system certification, EU CE certification and Customs Union CU-TR certification, successfully serving more than 2,000 customers in more than 100 countries and regions around the world.

Get Price & Service

Customized Design And Business Plan

In RICHI, every equipment and every pellet production line business plant can be customized. We will formulate multiple sets of pellet production process plans for comparative analysis according to the actual needs of customers, select a reasonable plan, and realize private customization. Our services run through all aspects of on-site terrain and environment survey, production line process design, raw material testing, cost requirement analysis, project investment budget, equipment installation and commissioning.

Customized Design And Business Plan
Customized Design And Business Plan
Customized Design And Business Plan
Customized Design And Business Plan
Quality Control
Richi Machinery

We adhere to the ISO9001 quality management system, and strictly implement international standards for product design and manufacturing processes. In terms of management systems, there are product quality accountability systems, product quality accountability systems, and safety production management systems; in terms of management tools, QC quality control management, SPC statistical process control, sampling inspection and measurement system analysis are used for quality control, to achieve effective control of the entire process of equipment production, and never let go of any quality hidden dangers that may affect customer operations.

Quality Control

Delivery And Installation

RICHI has always been adhering to the spirit of craftsmanship to make every detail good, especially in the link of equipment preparation and delivery, we follow the standardized process: preparation order check-equipment factory quality inspection-packing list re-inspection-scientific packaging and transportation, ensure the safe and non-destructive delivery of equipment. According to customer needs, RICHI installation engineers will guide the construction of site infrastructure, equipment installation and commissioning and trial operation of the entire production line throughout the process. When the relevant project indicators reach the design standards, the client will carry out the project acceptance.

Delivery And Installation
Delivery And Installation
Delivery And Installation
Delivery And Installation
Delivery And Installation
Delivery And Installation
Delivery And Installation
Delivery And Installation
After-sales And Training
After-sales And Training
Richi Machinery

We have built a team of nearly 100 technical engineers to solve a series of problems in the project from consultation, site survey, sample analysis to plan design, installation and commissioning, and maintenance. We provide comprehensive and systematic training for the technical staff of each customer to better serve the customer's project needs. After the technicians have finished their studies, RICHI will provide follow-up technical support services, and the training engineers will follow up the project use effects in the later stage to ensure the stable operation of the customer's project.

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