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How to choose a biomass pellet machine? Is the flat die pellet machine good?

In recent years, with the rise of the biomass energy industry, biomass pellet machines have become the most welcome new energy equipment in the market. Biomass pellet machine-processed biomass fuel has the characteristics of high density, high calorific value, sufficient fuel, low cost, easy to use, clean and hygienic, easy to transport and store, etc. It can be used as a gasifier, heating stove, agricultural greenhouse, boiler It can also be used as a raw material for the production of biogas, fertilizer, feed and high-density boards, and has a wide range of uses. Faced with the dazzling array of biomass pellet machines on the market, many users are confused when buying a pellet machine: How to choose a biomass pellet machine? Is the flat die pellet machine good? 

 


What is a biomass pellet machine?

Biomass pellet machine is a kind of biomass energy pretreatment equipment. Mainly use biomass from agricultural and forestry processing such as wood chips, straw, rice husk, bark and other biomass as raw materials, and solidify them into high-density pellets through pretreatment and processing. 

Types of Biomass Pellet Machine

At present, the biomass pellet machines on the market roughly include: ring die pellet machines, flat die pellet machines, stamping pellet machines, vertical ring die pellet machines, etc. Among them, the ring die pellet machine and the flat die pellet machine are the most commonly used. When purchasing a biomass pellet machine, we can refer to the following points: 
  1. Purpose. The concentrated feed compressed by the ring die pellet machine has a high density. The raw material of the concentrated feed is generally corn and soybean meal. It is highly viscous and easy to form, has a large output and low power consumption. The flat die pellet machine has a simple structure and is suitable for different materials, such as wood chips and straw. High-temperature granulation of crude fiber that is difficult to form, such as grass powder, and organic fertilizer such as municipal solid waste, sewage treatment, and animal manure.
  2. Pressure: In the mold of the same diameter, the diameter of the ring die press wheel is limited by the diameter of the ring die, so the pressure is limited; the diameter of the flat die press wheel is not limited by the die diameter, and the inner bearing can be enlarged Space, the use of large bearings to enhance the bearing capacity of the pressure roller, not only improves the pressing force of the pressure roller, but also prolongs the service life.
  3. Feeding method. The ring-mold granulator adopts mechanical forced feeding, high-speed rotation and centrifugal distribution into the granulating chamber, and the scraper is used to distribute the material, and the feeding is uneven; the flat-mold granulator relies on the weight of the material to enter the compression chamber vertically, and can be fed evenly. material.
  4. Discharging method. The ring die has a high speed, and the damage rate is high when the material is discharged; while the flat die has a low speed, and the damage rate is low.

Is the flat die pellet machine good?

The flat die pellet machine is a simpler type of pelletizing equipment than the ring die pellet machine. The main structure includes: feed inlet, horizontal disc flat die, pressure roller, base, etc., suitable for coarse fiber pelletizing, such as : Processing of various forage crop particles such as straw, peanut shells, wood chips, rice husks, cotton stalks, cotton seed skins, weeds, etc. 

Disadvantages of flat die pellet machine

The two ends of the parallel pressure roller are not synchronized, causing reactive wear and high cost of the tapered pressure roller. Because the fulcrum of the template is in the center, it is easily deformed and broken due to pressure around it. The pressure wheel assembly is static, the specific gravity of the material is light, and the fluidity is poor and it is easy to accumulate and arch. The rotating material of the template generates centrifugal force, which causes uneven accumulation of materials and causes the equipment to become stuffy. The higher the speed of the template, the greater the centrifugal force of the material, so the flat die granulator must run at a low speed, and the output will be affected.

Because of its wide application range, low investment cost, simple operation, strong wear resistance, and long service life, the flat die pellet machine is more suitable for coarse fiber pelletization than the ring die pellet machine, such as: straw, peanut shells, wood chips, The processing of various forage crop pellets such as rice husk, cotton stalks, cottonseed skins, weeds, etc., is most favored by small farms or small feed processing factories.

RICHI Machinery recommends that when choosing a pellet machine, you should make a decision based on your actual situation, raw materials, budgeted costs, investment size, production area scale, and final output. And choosing the right pellet machine manufacturer is also the first step to enter the pellet industry. 
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