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Working principle of two-stage gasifier
Two-stage gasifier is a coal gasification equipment composed of a carbonization section and a gasification section. It uses high-quality bituminous coal as raw material and performs carbonization in the upper section of the gas furnace. The semi-coke generated by carbonization enters the lower section of the two-stage furnace for gasification reaction. The carbonization and oxidation of coal are completed in the same gasification furnace, and the generated carbonization gas is After optimized configuration, the gas and oxidized gas are separately subjected to dust removal, oil removal, cooling, desulfurization and other processes. The processed clean gas is supplied to industrial kilns as fuel through a pressurized transportation system. A two-stage process, the entire system includes a coal lifting system, a coal adding system, an air supply system, a tar cleaning system, a supplementary and recovery cooling system, a phenol water system, an automatic control system, a gas storage and pressurized output system.
Structural features of the two-stage gas generator
The two-stage gas generator has two gas outlets, upper and lower, which can output gases with different calorific values. Its gasification efficiency and comprehensive thermal efficiency are both higher than those of a single-stage furnace. The coal is completely carbonized in the upper section of the furnace. The lower section gas basically does not contain tar. The upper section gas contains a small amount of light tar, which is not easy to block the pipeline. The calorific value of the two-stage furnace gas is high and stable, with great operational flexibility, high degree of automation, and low labor intensity. The two-stage furnace gas station does not pollute the environment, saves water significantly, occupies a small area, and has low long-term operating costs.
The two-stage gas generator equipment produced by our company is environmentally friendly and energy-saving, with high output and low energy consumption and extremely economic benefits.