biomass gasifier

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biomass gasifier Gasification principle 　　　The technology of down draught stalk gasification is a technology that converts biological materials such as straw into energy by a high-pressure exhaust fan in a high temperature state. Straw is mainly composed of carbon, hydrogen, oxygen and ash. When these elements meet in a controlled high temperature state, they combine together to be carbon monoxide, hydrogen gas, and methane. These are all burnable gas. The process in which biological materials converts into burnable gas is named gasifying process. 　　　 　　　The principle of gasifying process: biological materials enter combustor, and undergo heat drying. As the temperature increases, the volatile is separated out and split. After splitting, the gas and carbon meet supplied air in the oxidation area and combustion takes place. The combustion results in CO 、CO2 and vapor. The heat from combustion is utilized to maintain dryness, splitting reaction and endothermic reaction of the underneath reversion area. The gas resulted from the combustion goes through the reversion area and reacts with carbon layer（C+CO2=2CO、C+HO2=H2+CO）, which produces burnable gas consisting of CO、H2、CH4、CmHn. The burnable gases are separated from impurities such as tar, and are output from the bottom ready for use. The ash is discharged from the bottom of the gasifier. 　　　

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Zhengzhou Shuliy Machinery Co., Ltd.

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