After sifting by cleaner, take the dry sawdust and wood shavings as raw material to make biomass pellet through pellet mill for burning. The biomass pellets are the ideal fuel instead of coal and oil., The calorific value of biomass pellets are very huge which could be around 3900~4800 kcal/kg, and it has no phosphorus, sulfur and not easy to cause erosion. It is a new biomass energy with low carbon, environmental friendly, energy saving and efficient.
Jiangsu Liangyou Zhengda Co., Ltd is specialized in manufacturing biomass pellet fuel production machinery, we can supply customer: biomass pellet production line which take wood log, sawdust, shavings as raw material, biomass pellet production line which take building templates, woodworking scrap as raw material, biomass pellet production line which take maize stalk, wheat stalk, straw and others as raw material, biomass pellet production line which take fruit shell, fruit residue, palm and others as raw material, biomass pellet production line which take Crop waste, sludge, coal and others as raw material. FDSP will customize kinds of complete project solutions to meet customers' different needs.
Now we take the case of 1.5-2.5t/h biomass sawdust pellet production line, make introduction based on process diagram and each process as follows:
Technological process flow chart
Cleaning process-Pelleting process-Cooling and packing process
Raw material
Sawdust and wood shavings from furniture factory, wood processing factory, wooden door manufacturer, wooden mould and pallet factory.
Process introduction:
Remove the massive impurity from the dry sawdust which moisture is 13-18% through drum precleaner(choose screen with 20*20mm square hole), them make pellet with optional 6-10mm diameter. After pelleting and cooling, it is packed into 20-50kg/ bag by small bag packing scale for convenient transportation and sale. This project is for 1.5-2.5t/h biomass sawdust pellet production line, the total power is 210kw, the workshop is about 30*20m, the whole line is characterized by compact design and reasonable structure, and satisfied by environment protection requirements, meanwhile it can be directed to customers' design.
The process is as follows
Technological characteristics and introduction are as follows:
Cleaner: MCY120*300， power 1.5kw，designed output 2-3T/H
pelleting process: The diameter of biomass pellet is optional from 6-10mm, and the biomass pellets have the characteristics of high calorific value, no pollution and low ash content, which can be widely used in biomass power plants, biomass steam boilers, household fireplaces, drying furnaces and biomass gasifier.
granulation equipment(2sets): MZLH420, main motor power: 90kw, power of forced feeder: 0.75kw, design with 0.8-1.2T/H output ,
cooling and packing process: used to reduce pellets temperature and decrease pellets moisture, pellets temperature is not higher than ambient temperature 5 ℃, after cooling the pellets moisture around 8-10%, particle density 650-750kg/m³. According to the customer's local sales needs, the appropriate packing scale is selected for customer to sell products more easily. There are usually two specifications: small bag and ton bag. 20-50kg/bag for small bags, 500-1000kg/bag for ton bags.
Cooler: SKLB1.5, cooling volume 1.5m3, designed output 4T/H
Packing scale: SDBLY-K，bag size20-50kg/bag，packing speed: 3-5bag/min
The process can be optimized according to different customer needs:
1. Dryer will be needed if the moisture of sawdust is higher than 20%, the moisture of sawdust should be dried to 13-15% by dryer before pelleting.
2. The packing machine can be adjusted according to customers' requirement for bag size. Bulk or silo storage is also optional.
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