The article introduces the calculation of main parameter of screw-feeder for cotton-stick and design of the key parts.

Is suitable in each kind of oil palm, the bamboo, the cotton and kapok pole, the reed and so on non-lignin raw material and the mill culls fragment processing.

The thermal properties of biomass fuels such as cotton stalk briquette in the small furnace of biomass pyrolysis and combustion with moving bed and updraft was investigated.