Fully Automatic 16-20 T/H Biomass Wood Pellet Production Line

Herm machinery large industrial high quality 16-20 t/h biomass wood pellet production line is specially designed for all manufacturers based on the principle of biomass recycling, such as biomass fuel manufacturers, wood board plants, organic fertilizer plants, feed plants, carton plants, etc. The main processing flow of 16-20 t/h biomass wood pellet production line: raw material crushing, drying, pelletizing, cooling, screening, packaging. The main equipment of a complete 16-20 t/h biomass wood pellet mill plant includes wood chipper machine, wood hammer mill crusher, drum rotary dryer, wood pellet mill machine, counter-flow cooler, vibrating screen classifier, automatic bagging system, electric control cabinet, etc.

Raw Materials of Biomass Wood Pellet Production Line

Forestry waste: wood, logs, wood chips, branches, leaves, roots, bark, sawdust, bamboo, bamboo chips, timber slash, mill scrap and other forest residues and waste wood.
Plant: grass, hay, alfalfa, lucerne, elephant grass, miscanthus, hemp, hops, etc.
Sludge: The sludge that can be pelletized mainly comes from paper mills, Slaughterhouse, live-stock, rubber, landfill leachate, dairy, brewery, textile and other effluents.
Animal manure: mixture of poultry litter and animal waste, such as the wastes of slaughterhouse, fish market, urine and dung of cattle, pigs, sheep, chicken, ducks, geese, goat, etc.
Home scrap: food waste, the roots and leaves of vegetables, etc.
Industrial waste: wine lees, vinegar residue, manioc waste, sugar scum, silica fume, furfural residue, etc.
Agricultural waste: cotton stalks, cotton husks, corn stalks, soybean stalks, wheat stalks, sunflower trays, sunflower husks, rice husks, bagasse, olive pomace, peanut husks, peanut seedlings, rice bran, etc.

How to Make Biomass Wood Pellet?

Wood biomass is a common seen pellet production raw material, which includes timber, logs, chips, shavings or sawdust of pine, acacia, cypress, beech, oak, and so on. Generally if your raw material is softwood, you can pelletize it without adding additive; if your raw material is hardwood, you need to add certain amount of softwood or binder (hardwood is comparatively difficult to pelletize).

The wood biomass pellets production technology goes this way:

1. Raw material crushing: usually wood chips, logs or timber, etc. must be crushed before pelletization. The reason is that these wood raw materials are large pieces and can’t be pelletized directly. This process will need wood chipper and hammer mill.

2. Crushed material sieving: sometimes the raw materials have impurities like stones or metal scraps. These impurities will destroy the pellet mill. So they shall be sieved.

3. Drying: the sawdust usually contain much water. In this case, the dryer is indispensable. For capacity below 1ton/h, air flow dryer is enough. But for large capacity, drum dryer is good help.

4. Wood biomass pellets production: the wood pellet mill also has different capacities. 50-500kg/h, use flat die pellet mill; >500kg/h, use ring die pellet mill or multiple sets of flat die pellet mill.

5. Pellets cooling and sieving: the pellets have high temperature when produced by the pellet mill; as a result, a cooler is needed to cool the pellets. Besides, the counter flow cooler can also sieve the broken pellets or raw material powder to get good quality pellets.

6. Pellet packing: to pack the wood biomass pellets in bags will make them easy to store, transport and sell. They can be packed into small bags and large bags.

Above is whole wood pellets production line process, and other biomass raw materials go similar steps.

Application

Animal bedding:bio-pellets made of softwood is a kind of slap-up animal bedding to raising animal experience.
Building heating: biomass pellets can be used in a pellet stove or furnace to heating room at school, hospital, marketplace, company, etc. Cooking with biomass pellets is also available.
Industrial boiler: bio-pellets can partly(or entirely) replace coal or fossil fuel in co-firing heating for large-scale industrial operation to reduce the energy cost.
Power plants :biomass pellets can be used in power plants to solve the problem of insufficient power supply.