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Abstract

An environmentally friendly combustion chamber for stable combustion of biomass gasification combustible gas. The combustion chamber is divided into a first stage cavity body (45) and a second stage cavity body (48) by a honeycomb-shaped heat storage body (46). A combustion pipe (41) is connected to a biomass gas inlet and a primary air distribution pipe (54), the combustion pipe (41) is connected to the first stage cavity body (45), and an ignition gun (42) and a thermocouple T1 are arranged on the first stage cavity body (45). A secondary air distribution pipe (47), opposite the honeycomb-shaped heat storage body (46), and a thermocouple T2 are arranged within the second stage cavity body (48), and the second stage cavity body (48) is connected to an outlet high temperature flue gas pipe (51). The primary air distribution pipe (54), a primary air volume adjustment valve (52), the secondary air distribution pipe (47) and a secondary air volume adjustment valve (53) are connected together to an air supply fan (49), and a controller (50) is connected to the thermocouple T1, the thermocouple T2, the primary air volume adjustment valve (52), the secondary air volume adjustment valve (53) and the air supply fan (49). The combustion chamber solves the problems of unstable combustion flames in traditional combustors, and high nitrogen oxide amounts in tail flue gas.

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First Claim