Method for regulating and controlling temperature of coke oven

Abstract

The invention relates to a method for regulating and controlling the temperature of a coke oven. The method is characterized by comprising the following steps: (1) collecting data of a coke cake which is actually measured in a preset time, and formulating different coke cake center temperature control values according to the collected related data; (2) determining a corresponding combustion chamber vertical flame path standard temperature by combining different coke cake center temperature control values formulated according to the step (1) and the preset production data; (3) measuring and calculating the coke cake center temperature, the coke cake surface temperature and the difference value of the two temperatures of the same coking chamber, and replacing the coke cake center temperature by the coke cake surface temperature; (4) formulating combustion chamber vertical flame path standard temperatures corresponding to coke cake surface temperatures under different dry quenching rates according corresponding relationship among data determined by the step (1), (2) and (3); (5) formulating the coke oven heating system parameter according to the combustion chamber standard temperature determined in the step (4), measuring the coke cake surface temperature, and determining the maturity degree of red coke. According to the method, the coking heat consumption of the coke oven can be reduced, low-cost economical operation of the coke oven can be guaranteed, emission of NOX, CO2, SO2 and other harmful gases in waste gas of the coke oven can be reduced, and pollution of waste gas of the coke oven to the atmosphere can be reduced.

Description

technical field [0001] The invention relates to a method for adjusting and controlling the temperature of a coke oven, in particular to a method for adjusting and controlling the coke forming temperature of a coke oven matched with a coke dry quenching production process. Background technique [0002] The center temperature of the coke cake (that is, the coke forming temperature) refers to the average temperature of the coke at the center section of the coke oven carbonization chamber at the end of coking. According to the "Coke Oven Technology Management Regulations", the coke cake center temperature reaches 1000±50°C as a sign of its maturity. When this indicator was formulated, it was considered that the red coke was cooled by the wet quenching process at that time. In order to ensure the quality of the coke, the coking industry generally controlled the temperature of the coke cake center within the upper limit range of 1030-1050 ° C, and some coking plants even controlle...

AI Technical Summary

Problems solved by technology

[0004] The coke oven itself is an industrial furnace with high energy consumption. In the case of dry quenching of red coke, if the coke cake center temperature is still controlled at the upper limit, it will not only increase the burning rate of coke in the CDQ furnace, but also cause The high heat consumption of coking oven and the excessive emission of waste gas generated by combustion have increased the cost of coking production and aggravated the pollution of the atmosphere

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