NOVELTY - Gasifier of biomass comprises feeding machine, fan, gas generator, fuel consolidation device, cooling water circulating system, filtering system, discharging port, smoke exhaust valve, drain valve, transmission pipeline network, gas buffer tank, air compressor, one-way valve, and pressure container; where one-way loop for transporting gas is formed from the gas generator, gas buffer tank I, filtering system, air compressor, pressure container to transmission pipeline network; gas buffer tank I is set with safety valve and thermometer; and air compressor is set with pressure gauge.    USE - The gasifier of biomass is useful for treating biomass and producing cleaner and pollution-free gas.    ADVANTAGE - The scientific and reasonable structure integrates the generation, filtering, storing, and conveying of gas; it obtains cleaner and pollution-free gas with higher purity and it ensures continuous use of gas so that it has practical value and popularization value. The product needs no additives, the heat value of gas reaches 6000 kJ/m3, each kilogram fuel converts 2.0-2.5 m3 combustible gas, the cost is low, and it meets the environmental requirement of reducing discharge, it is inexhaustible green energy, the market development prospect is fine.    DETAILED DESCRIPTION - A gasifier of biomass comprises feeding machine, fan, gas generator, fuel consolidation device, cooling water circulating system, filtering system, discharging port, smoke exhaust valve, drain valve, transmission pipeline network, gas buffer tank, air compressor, one-way valve, and pressure container; where the cooling water circulating system is positioned on the external of hearth, water inlet and water outlet of cooling water circulating system are positioned on the lower part and upper part of the cylinder wall of gas generator, fan is connected with the bottom of gas generator, one-way loop for transporting gas is formed from the gas generator, gas buffer tank I, filtering system, air compressor, pressure container to the transmission pipeline network, one-way valve is set between the air compressor and the pressure container; bottom of the gas buffer tank I, filtering system, air compressor are set with drain valve; lower part of the gas generator is set with discharging port, outlet of the gas buffer tank I is connected to the three-way pipe, one end of the three-way pipe is connected to the smoke valve, the other end is connected to the inlet on the lower part of the filtering system; the gas generator is set with safety valve, the gas buffer tank I is set with safety valve and thermometer, the air compressor is set with pressure gauge.    DESCRIPTION OF DRAWING(S) - The drawing shows the schematic diagram of the gasifier of biomass.