NOVELTY - A biomass bin compost processing device comprises reaction chamber (35) and reaction chamber baffle plate (38). The reaction chamber is provided with temperature sensor (24), humidity sensor (37), feeding platform (36) and discharging port (25). The upper part of reaction chamber is provided with water inlet pipe (21) and stirring machine track (19) connected to motor (22). The bottom of reaction chamber is provided with filter layer (29) with porous structure. The filter layer is connected with water outlet pipe (27). The filter layer is provided with air inlet (31) and air outlet (32).    USE - A biomass bin compost processing device.    ADVANTAGE - The device improves composting efficiency, and reduces propagation of pathogenic bacteria and peculiar smell.    DETAILED DESCRIPTION - A biomass bin compost processing device comprises reaction chamber (35) and reaction chamber baffle plate (38). The reaction chamber is provided with temperature sensor (24), humidity sensor (37), feeding platform (36) and discharging port (25). The upper part of reaction chamber is provided with water inlet pipe (21) and stirring machine track (19) connected to stirring machine motor (22). The reaction chamber is connected to motor through elevator (23). The water inlet pipe is provided with spraying head (20). The bottom of reaction chamber is provided with filter layer (29) with porous structure. The filter layer is connected with water outlet pipe (27). The water outlet pipe is connected to adjusting tank (28). The adjusting tank is connected with water inlet pipe through water pump (26). The filter layer is provided with air inlet (31) and air outlet (32). One end of air inlet is connected to fan (34) through air heater (33). An INDEPENDENT CLAIM is included for the biomass composting treatment comprising taking biomass, sorting, crushing, sieving, mixing into compost materials at 20-30:1 carbon-nitrogen ratio; adding water at 50-100 times the amount of composite powder bacteria, incubating at room temperature for 8-12 hours to obtain bacterial liquid; feeding raw materials into reaction chamber, stirring, starting water pump, and spraying bacterial liquid via water inlet pipe, controlling humidity at 45-60%, controlling pH of compost material at 6-9; starting air heater, heating reaction chamber via fan through air inlet pipe to more than 40 degrees C at 10-1000 L/minute ventilation rate, closing air heater and fan, fermenting stack fertilizer raw material, controlling reaction chamber temperature at 50-60 degrees C, controlling reaction chamber humidity at 50-60%; fermenting for 5 days, stirring composted raw materials, adding 0.5 kg composite bacterium powder/10 tons compost, spraying bacterial liquid, controlling humidity at 55-60%, filtering water generated during fermentation through filter layer, stirring composted raw material and conveying from first reaction chamber to next reaction chamber; controlling temperature of reaction chamber at 45-55 degrees C, controlling humidity at 45-55%, stirring using fan at 10-1000 L/minute ventilation rate, turning after 5 days, turning after 7 days, transferring to greenhouses, degrading for 5-7 days to achieve full maturity; and compost material spreading, naturally drying, crushing into 0.1-2 mesh particle size and screening.    DESCRIPTION OF DRAWING(S) - The drawing shows a schematic diagram of biomass bin compost processing device.    Stirring machine track (19)    Water inlet pipe (21)    Motor (22)    Temperature sensor (24)    Discharging port (25)    Water outlet pipe (27)    Filter layer (29)    Air inlet (31)    Air outlet (32)    Reaction chamber (35)    Feeding platform (36)    Humidity sensor (37)    Baffle plate (38)