Expert control method for burning double-chamber lime furnace

Abstract

The invention discloses an expert control method for burning a double-chamber lime furnace. The method comprises the following steps: determining operation quantity and controlled quantity, collecting and classifying data, identifying models, obtaining prediction models, and performing optimal solution; the method can solve the problem that coupling among variables, system nonlinearity, time lag and temperature in the furnace cannot be accurately measured, the excellent control effect can be realized, the coal injection quantity of the controlled quantity and the aperture of the furnace tail blower are automatically adjusted according to the set values of NOx and O2 contents of the controlled quantity for burning the double-chamber lime furnace, so that the actual value of the controlled quantity can quickly follow up the set value, the operating quality during the burning process of the double-chamber lime furnace is increased, the operation during the burning process is relatively steady, reasonable and accurate, and the labor intensity of workers is also reduced.

Description

technical field [0001] The invention belongs to the technical field of advanced control methods for lime double-chamber production process, and relates to an expert control method for calcination of lime double-chamber kiln. Background technique [0002] Lime double-chamber kiln calcination is a very typical and important link in the lime production process, and its operation quality directly affects the quality, production capacity and production cost of lime. The calcining operation of lime double-chamber kiln depends largely on its control method, so the advanced control method of lime double-chamber kiln calcining has attracted more and more attention and attention at home and abroad. [0003] The difficulty in the control of lime double-chamber kiln calcination mainly lies in its complex variable coupling, nonlinearity and time delay, which makes it difficult to obtain better control methods such as traditional experience adjustment method, PID adjustment method, fuzzy ...

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the defects of the prior art, the present invention designs a lime double-chamber kiln calcination that can solve the problems of variable coupling, system nonlinearity, time lag and inaccurate measurement of kiln temperature, and can obtain good control effects expert control method

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