Automatic adjustment method of flue temperature in coke oven heating and combustion process based on performance evaluation

Abstract

The invention discloses a method for automatically regulating the temperature of a flame path of a coke oven in heating and combusting procedures on the basis of performance evaluation. The method includes acquiring historical temperature and running data of the flame path and building a multi-attribute performance evaluation model on the basis of information entropy; acquiring current temperature and running data of the flame path; judging a current performance level of a control system by the aid of the multi-attribute performance evaluation model on the basis of the information entropy; building a multi-objective optimization model according to the current performance of the control system; solving the multi-objective optimization model by the aid of a genetic algorithm; regulating parameters of a controller in the control system; automatically regulating the temperature of the flame path. The method has the advantages that the parameters of the controller in a production field can be automatically regulated by the method, so that the purpose of automatically regulating the temperature of the flame path can be achieved, the automation degree of coking production can be effectively upgraded, and an economic benefit of coking production can be effectively increased; running conditions of the control system can be accurately evaluated in coking production procedures by the aid of the online performance evaluation model on the basis of the information entropy, and accordingly a basis can be provided for optimizing the parameters of the controller.

Description

Technical field [0001] The invention belongs to the field of coke oven heating and combustion process control, and relates to a method for automatically adjusting the flue temperature of the coke oven heating and combustion process based on performance evaluation. Background technique [0002] As a raw material for steel smelting, coke is widely used in blast furnace ironmaking, non-ferrous metal smelting, calcium carbide, casting, gasification and other industrial fields, and is an important material basis for the development of the national economy. In the iron and steel industry, the quality of coke directly affects the cost and production quality of a company's products, and restricts the growth of its economic benefits. Designing a coke oven heating and combustion process optimization control system to stabilize the coke oven flue temperature has a very important effect on reducing the production cost of coking enterprises and improving economic benefits. [0003] The flue te...

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Problems solved by technology

[0005] The present invention provides a method for automatically adjusting the temperature of the flue in the coke oven heating and combustion process based on performance evaluation. Relying on the experience of technicians, it cannot be adjusted automatically, which affects the production efficiency and quality of coking

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