1. Straw fuel (ie biofuel) is made from solid waste such as corn cob, wheat straw, straw, peanut shell, corn cob, cotton rod, soybean rod, weed, branch, leaf, sawdust, bark, etc. After being crushed, pressurized, densified, and formed, it becomes a small rod-shaped solid particle fuel. The pellet fuel is produced by extruding raw materials such as wood chips and straws under a normal temperature condition by using a pellet press roller and a ring die. The density of raw materials is generally about 130kg/m3 , and the density of particles after molding is more than 1100kg/m3 . It is very convenient to transport and store, and its combustion performance is greatly improved.
2, the process as raw material collected → drying → crushing → raw granulator granulation → molding bagging sales depending on harvest crops, should be promptly bulk storage material, followed by pulverization, molding. When molding, be careful not to pack the bag immediately. The principle of heat rise and contraction is to be cooled for 40 minutes, and then bagged for transportation.
3 , the characteristics of straw fuel After the formation of pellet fuel, the ratio is large, small size, resistant to burning, easy to store and transport. The volume after molding is 1/30~40 of the volume of the raw material , the specific gravity is 10~15 times of the raw material (density: 0.8-1.4 ), the calorific value can reach 3400~6000 kcal, and it is a solid fuel of high volatile phenol.
4. Use of straw fuel Granular fuel after straw molding is a new type of bio-energy. It can replace wood, raw coal, fuel oil, liquefied gas, etc. It is widely used in heating, life stoves, hot water boilers, industrial boilers, Biomass power plant, etc.
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