System, method and equipment for controlling dilution air volume of cooling part of one-kiln two-line melting furnace

Abstract

The invention provides a one-kiln two-line melting furnace cooling part dilution air volume control system, method and equipment, and the system comprises a signal collection unit which is used for respectively obtaining the temperature of a flow liquid channel, the dilution air flow and the dilution fan operation frequency corresponding to a main line cooling part and a branch line cooling part; the cascade control unit is used for constructing a cascade control relation among the temperature of a flow liquid channel, the flow of dilution air and the running frequency of a dilution fan corresponding to the main line cooling part and the branch line cooling part respectively; and the decoupling control unit is used for eliminating the influence of cross coupling between the two cooling parts by utilizing a decoupling control algorithm according to the cascade control relation of the main line cooling part and the branch line cooling part, so that the two cooling parts independently control the temperature of the corresponding liquid flow channel by adjusting the dilution air flow. The problem of manual adjustment of a dilution air cooling system of a traditional float glass factory is avoided, and the problem of mutual influence of dilution air of two cooling parts is avoided; the manual adjustment time is saved, and the production efficiency is improved.

Description

technical field [0001] This application relates to the field of engineering technology, in particular to a dilution air volume control system, method and equipment for the cooling part of a furnace with two lines in a furnace used in the melting section of the float glass production industry. Background technique [0002] At present, in the domestic glass industry, the air system of most of the one-kiln and two-line melting furnaces in the float glass production industry mainly includes combustion-supporting fans, pool wall fans, ballast fans, etc. Since the cooling part of the float glass melting furnace is connected with the melting part through a neck, under this special structure, the cooling part cannot effectively participate in the wind circulation system, and the form of input dilution wind is often used to control the pressure on the cooling part alone. and temperature adjustments. For one kiln and two-line kiln, the main line and branch line are used to manually a...

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Problems solved by technology

[0003] In view of the shortcomings of the prior art described above, the purpose of this application is to provide a dilution air volume control system, method and equipment for the cooling part of a furnace with two lines in a kiln, which is used to solve the time-consuming and laborious manual adjustment of valve switches in the prior art, and When the main line and the branch line are adjusted separately, the dilution wind in the two cooling parts will cause mutual interference to the respective cooling parts through the middle horizontal passage, and then affect the technical problems of the pressure and temperature control of the cooling parts.

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