biomass sawdust bio fuel wood best cheapest wood pellet machine production line

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seat: Beijing
Validity to: Long-term effective
Last update: 2017-12-25 13:45
Browse the number: 197
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Introduction of biomass sawdust bio fuel wood best cheapest wood pellet machine production line :
The production line combined with process as Chipping,Crushing, Drying, Pelletizing, Cooling and Packing. We provide complete pellet mill and briquetting system which are tailor-made, economical, efficient solution with latest technology.
As we know, various wood residues and other biomass materials can be processed into fuel pellets, but every raw material has its own characteristics during pellet production; therefore, to produce quality wood pellets and biomass pellets the raw material needs to have consistent quality suitable to produce quality pellets. We have experience in processing a wide range of biomass materials into pellets and their combustion results.






biomass sawdust bio fuel wood best cheapest wood pellet machine production line

Chipping

Drum wood chipper is an ideal equipment to produce large capacity and good quality wood chips, which is widely used in wood chips production industry, paper plants, particle and fiber board plants, etc. This machine is made up of machine base, knife roller, feeding roller, belt conveyor, hydraulic pressure system components. The machine base use high strength steel, which is the supporting of the foundation. The knife roller equips two blade to cut the materials. The feeding roller can fluctuate in a certain range with the help of hydraulic system according to the thickness of different raw materials. The qualified chips falls through the sieve hole, and the big pieces can not come thought there, so they will be chipped again to be qualified. If your raw material is already wood chips, then do not need the chipping.

Drying

The best moisture content to pelletizing is 13-15%, so our rotary dryer is designed to reduce the moisture of the unqualified raw material, for which the moisture is too high. The rotary dryer is made up of stove, rotary dryer main body, air fan, cyclone and air lock. The rotary dryer can reduce the moisture of the raw material from 60% to 15%. It adopts hot air to reduce to remove the the moisture content of the raw material. The hot air is generated through heat stove at one end of the rotary body, then the hot air will flow with the help of air fan's suction and when raw material comes through the rotary body, hot air pulled over the material and they product heat exchange, thus the material will be dried with high efficiency.
If your raw material is already lower than 15%, you do not need the drying procedure.

Grinding

The harmer mill is applied mainly to grinding the raw material to make it suitable to make pellets. The hammer mill is composed of electric motor, couping, bearing, rotor, hinge pin, hammers 8mm pore size sieve plate. The wood chips are transferred into the hammer mill by feeding conveyor and then enter into the grinding chamber. The wood chips are bated by the high speed rotating hammers, then hit the sieve plate and bounce back. The beating and hitting will be continuous with the high speed move of the blades. Wood chips will be grinded by the impact force from hammers and friction force from sieve plate. Our hammer mill adopts water drops shape grinding chamber which causes more times impact force and enhances grinding efficiency. Particles would come across the sieve with the help of centrifugal force and wind power.

If your raw material size is smaller than 5mm, then do not need the grinding.

Pelletizing

The pellet machine is the main equipment in the production line to make pellets, it compress the dry finely pulverized material and transform them into a cylinder shape pellet at a temperature of 80 degree. The raw material is delivered into the pallet machine through the conveyor and then transferred into a rotating ring die by a feeder. Finely pulverized material will be pressed into ring die through two press rollers. The resulting pressure compresses the material and extrudes it through the holes in the die.

Colling

The cooler is used to reduce the temperature and moisture of the pellets, thus to acquire better hardness and strength. Also it can enhance the transport ability and storage ability. The vibrating display after the cooler is used to removes underside produce and dust, which can be returned to the pallet mill.

The cooler process is the refined technology of exposing processed product to an upward moving stream of ambient airflow. As the air rises through the product, it is warmed, increasing the moisture carrying capability of the air. The product entering at the top of the cooling chamber is exposed to the warmest air available within the cooler. The product and air have opposite flows, the gradual heat transfer greatly enhances the product quality and reduces stressing and fines.

Packing

After cooling, wood pellet would be packed into bags in order to avoid affected with damp. Packed pellet would be transferred by truck and sold.
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