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wood pellet machine


A wood pellet machine is a device specifically designed to process wood shavings and other wood waste into wood pellet fuel. It typically consists

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wood pellet machine Introduction

A wood pellet machine is a device specifically designed to process wood shavings and other wood waste into wood pellet fuel. It typically consists of a feeding system, compression system, and cooling system, among other components. The wood pellet machine compresses the wood shavings under high pressure to form pellets with high density. These pellets are then cooled down in the cooling system to produce wood pellets that meet specific specifications, suitable for heating, power generation, or other applications.

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Characteristics of wood pellet machine


Wood pellet machines can process a variety of biomass materials, such as wood chips, straw, rice husks, and bark.

High-density forming

Low-density biomass materials are compressed into high-density pellets, which enhances energy utilization efficiency.

Environmental friendliness

Wood pellets produced by the machine burn cleanly as fuel, emitting fewer pollutants and contributing to the reduction of greenhouse gas emissions.

Ease of operation

Modern wood pellet machines are often equipped with automated control systems, simplifying the operation process.

High production efficiency

Wood pellet machines can achieve efficient and large-scale continuous production, meeting the demands of industrialized energy production.

Improved combustion performance

The pellets produced have excellent combustion performance and high calorific value.

Strong adjustability

Wood pellet machines usually have adjustable pressure and temperature control systems to meet different material and processing requirements, ensuring pellet quality and forming effects.

Easy maintenance

Wood pellet machines are typically designed with simple structures that are easy to clean and maintain, reducing operating and maintenance costs.

Highly customizable

Wood pellet machines can be customized according to specific customer needs and requirements, including increasing production capacity, enhancing automation, and changing pellet shapes and sizes.

Durability and reliability

High-quality wood pellet machines are often made of premium materials and advanced manufacturing processes, offering durability and stability for long-term operation, thereby improving production efficiency and reliability.

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The structure of wood pellet machine

Feeding System

Responsible for feeding the raw materials into the pelletizing chamber evenly and continuously. It may include a hopper and a feeder mechanism such as a screw conveyor or belt conveyor.

Pelletizing Chamber

This is where the raw materials are compressed and extruded to form pellets. It contains the die and rollers where the pelletization process occurs.

Die and Rollers

The die is a ring-shaped component with small holes through which the raw material is forced under pressure to form pellets. The rollers press the material through the die holes, shaping them into pellets of uniform size and density.

Drive System

Consists of motors, gears, and belts or chains to provide the necessary power to drive the pelletizing process.

Cooling System

After pelletization, the pellets may still be hot. A cooling system, which typically includes a fan or air cooling system, helps to lower the temperature of the pellets for storage and handling.

Control Panel

Modern wood pellet machines often come with electronic control panels for monitoring and adjusting various parameters such as temperature, pressure, and feed rate.

Frame and Base

Provides structural support and stability for the entire machine.

Lubrication System

Ensures smooth operation of moving parts by lubricating bearings, rollers, and other components.

Safety Features

May include emergency stop buttons, safety guards, and sensors to prevent accidents and ensure operator safety.

Optional Accessories

Depending on specific requirements, wood pellet machines may include additional features such as pellet coolers, pellet screening systems, and automatic pellet bagging systems.

Advantages of wood pellet machine

Resource Utilization

They can convert wood chips and other waste into useful biomass pellet fuel, maximizing resource utilization and reducing environmental impact.

Renewable Energy

The produced wood pellets serve as renewable energy sources, reducing reliance on fossil fuels and promoting the transformation and upgrading of the energy structure.

Environmentally Friendly and Clean

Wood pellets produce fewer pollutants when burned, with high combustion efficiency, thereby reducing air pollution and greenhouse gas emissions, contributing to environmental improvement.

Efficient Utilization

Through compression molding, wood pellets have high density and calorific value, making them easy to store, transport, and use, thus improving energy utilization efficiency.


Wood pellet machines are suitable for processing various wood materials, such as sawdust, wood shavings, and wood chips, demonstrating strong adaptability and flexibility.

Economic Benefits

Producing wood pellets can add value to wood processing enterprises, enhancing economic benefits, while providing additional income opportunities for farmers.

Simple Operation

Modern wood pellet machines are usually equipped with automated control systems, making operation simple and reducing labor costs and operational complexity.

Wide Application

Wood pellets, as biomass fuels, are widely used in home heating, industrial boilers, power plants, and other fields, with strong market demand.

Classification of biomass pellet machine

The biomass pellet machine processes materials such as paulownia, cypress, poplar, fruitwood, agricultural crop straw, bamboo shavings, etc. These materials are crushed into sawdust-like bran and then further processed into biomass fuel.

Due to variations in raw materials used in different regions, the biomass pellet machine is known by different names such as wood pellet machine, straw pellet machine, sawdust pellet machine, wood chip pellet machine, bamboo pellet machine, fuel pellet machine, rice husk pellet machine, etc. It is also referred to as a pelletizer or pellet maker. Despite the differences in terminology, they all refer to the same type of machine.

Based on the type of die used, it can be further categorized into flat die pellet machine and ring die pellet machine. The ring die pellet machine can be further classified into vertical ring die pellet machine and horizontal ring die pellet machine.

According to the working principle of the feed pellet machine, it can be classified into die roller pellet machine and screw extrusion pellet machine. According to the purpose of the feed pellet machine, it can be classified into single-feed pellet machine and mixed-feed pellet machine.

Parameter of biomass pellet machine

Model Capacity Main Motor Power Feeder Motor Power Conditioner Power Dia. of Ring Die Pellet Size
SZLH250 1-2T/H 22KW 0.75kw 1.5kw 250mm 2-12mm
SZLH320 3-4T/H 37KW 1.5kw 2.2kw 320mm 2-12mm
SZLH350 5-7T/H 55KW 1.5kw 3kw 350mm 2-12mm
SZLH420 8-12T/H 110KW 1.5kw 7.5kw 420mm 2-12mm
SZLH508 10-18T/H 160KW 2.2kw 11kw 508mm 2-12mm
SZLH558 15-25T/H 180KW 2.2kw 11kw 558mm 2-12mm
SZLH678 20-30T/H 220KW 2.2kw 11kw 678mm 2-12mm
SZLH768 25-42T/H 280KW 2.2kw 11kw 768mm 2-12mm

After-sale Service

  • – HKB provides advanced grain safety storage technology to assure your grain silo 100% quality stability.
  • grain silo Quality guarantee is one year after installation and commissioning or 18 months after leaving China Port. Maturity is the first.
  • – 7 days x 24 hours service, within 24 hours reply/solve of any technical issues upon request.
  • – Routinely telephone track to remove all might be problems grain silo or issues guarantying the whole system grain silo long-lasting safety and reliability.
  • – HKB will consider all other needs like customs clearance, sea delivery, insurance, customs tax benefit plan, documentation, etc. So our respected Users feel so relaxed and easy to get the grain silo system well.
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