The working principle of biomass upward suction gasifier isJust entered the gasifierBiomass raw materialsEncountering a rising hot air flow below,Firstly, remove the moisture;When the temperature rises to200-250℃Thermal decomposition reaction occurs,Release volatile matter;Volatile matter and a portion of biomass charcoal undergo incomplete oxidation reaction with oxygen in the gasifying agent,Quickly raise the local temperature inside the furnace1000℃the above;The remaining high-temperature and hot coke undergoes a reduction reaction with carbon dioxide and water vapor in the gas, producing combustible gases such as carbon monoxide, hydrogen, and methane;finally,These gases are mixed with volatile components released from the pyrolysis layer,causeBiomass gasifierThe upper part is led out of the furnace.
updraftbiomassThe main advantages of gasification are:
①High gasification efficiency,Mainly because the pyrolysis layer and drying layer fully utilize the gas waste heat after the reduction reaction;
②High calorific value of gas,Mainly because the gasification gas is directly mixed with volatile components with higher calorific value;
③The grate is cooled by the incoming air,Not easily damaged.
The biomass upward suction gasifier can be used to gasify large biomass raw materials such as wood blocks, wood chips, fruit shells, etc., and the requirements for raw materials are not very strict. For example, friends engaged in wood processing can use the waste materials from wood processing as raw materials for gasification furnaces to turn waste into treasure.