Coke oven combustion chamber top supplementary heating structure and method

Abstract

The invention relates to a coke oven combustion chamber top supplementary heating structure and method. A top horizontal channel is arranged above a crossing hole of each combustion chamber and on each of two sides of an observation hole, coal gas is supplied into the top horizontal channel through a coal gas supply port, and combustion-supporting gas is supplied into the top horizontal channel through a combustion-supporting gas supply port. The coal gas and the combustion-supporting gas are mixed in the top horizontal channel and are ignited and combusted through an electronic igniter; or high-temperature gas is introduced into the top horizontal channel through a high-temperature gas inlet. High-temperature waste gas generated after the coal gas and the combustion-supporting gas are combusted or high-temperature gas introduced from the outside flows along the top horizontal channel is led out through a waste gas lead-out port at the other end. Heat of high-temperature waste gas or high-temperature gas is transferred to coke at the top of a carbonization chamber through masonry at the top of the combustion chamber, so that the maturation speed of the coke at the top of the carbonization chamber is accelerated, and the green coke phenomenon is avoided.

Description

technical field [0001] The invention relates to the technical field of coke ovens, in particular to a supplementary heating structure and method for the top of a combustion chamber of a coke oven. Background technique [0002] The coke oven is composed of a regenerator, a chute, a combustion chamber, a carbonization chamber and a furnace top. The gas and air are mixed and burned in the combustion chamber, and the heat is transferred to the coal in the carbonization chamber through heat conduction and heat radiation, so that the coal is converted into coke. The thermal system of the coke oven includes the adjustment of long-direction heating and high-direction heating, and the uniform temperature distribution of the furnace wall of the carbonization chamber can not only save fuel, but also prevent the coke oven body from being damaged due to local overheating. [0003] The long-direction heating uniformity of the vertical fire channel of the combustion chamber directly affec...

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Problems solved by technology

[0003] The heating uniformity of the vertical flue in the combustion chamber directly affects the uniform heating and maturation of the coke in the carbonization chamber. When the thermal system of the coke oven is disordered or the gas pressure is unstable, the coke at the top of the carbonization chamber may appear coke and coke collapse. situation, affect the normal focus

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