Exchange transmission gear capable of realizing remotely switching types of gas heated in coke oven

Abstract

The invention relates to the field of control on compound coke oven heating systems, in particular to an exchange transmission gear capable of realizing remotely switching types of gas heated in a coke oven during heating and switching between rich gas and poor gas. The invention is characterized in that a rich gas exchange plug cock is arranged on a rich gas pipeline and respectively connected with rich gas cylinder draw rods; a poor gas exchange plug cock is connected with an exhaust gas exchange shutter and respectively connected with poor gas cylinder draw rods; a throttle draw rod of a gas regenerator chamber is arranged on a throttle of the gas regenerator chamber and connected with a cylinder; and the throttle draw rod of an air regenerator chamber is connected with the cylinder. The throttle of the air regenerator chamber is in a composite structure with a greater throttle and a smaller throttle or a double-layer throttle structure to regulate the draught area. The invention can realize the remote switching between rich gas and poor gas and automatic timing commutation of updraught and downdraught in a twin flame path. The invention saves lots of manual operation when switching the types of gas, enhances the automation level and reduces the labor intensity.

Description

technical field [0001] The invention relates to the control field of a reheating coke oven heating system, in particular to an exchange transmission device for remotely switching the type of coke oven heating gas during heating conversion between rich gas and lean gas. Background technique [0002] At present, the main function of the coke oven heating system is to transport and adjust the heating gas and air to the coke oven, and to discharge the exhaust gas after combustion. Rich gas refers to gas with high calorific value for coke oven heating, such as coke oven gas. Lean gas refers to gas with low calorific value for coke oven heating, such as blast furnace gas, producer gas and mixed gas. Because coke oven gas is an important high-quality fuel, coke oven gas should be used as little as possible and lean gas should be used as fuel for coke oven heating. The coke oven of the coking plant of the iron and steel complex is generally heated by blast furnace gas, but the bla...

AI Technical Summary

Problems solved by technology

The workload is heavy during the replacement, and the operation of the workers is trivial and complicated. It takes more than 20 people to work at the same time to change the type of gas, and it takes about half a day.

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