Control method and system for regulating burn-through point position of updraft sintering machine

Abstract

The invention discloses a control method for regulating the positions of burning through points of an updraft sintering machine and a control system thereof. The detected actual positions of the burning through points are compared with the ideal positions of the burning through points to obtain a different value; and then the different value is compared with a restriction value; when the different value is large than the restriction value, firstly, the thickness of a batch layer is regulated, and then the product speed is regulated; if the different value is less than the restriction value, firstly, the product speed is regulated, and then the thickness of the batch layer is regulated; the regulating process is finished till the measured material treatment capacity is equal to the rating material treatment capacity so that the actual positions of the burning through points are close to the ideal positions of the burning through points. The invention continuously regulates the product speed and the thickness of the batch layer by analyzing different situations, and causes that each link of the sintering process does not undulate and even shakes because of regulating the positions of the burning through points while the invention regulates the positions of the burning through points of the updraft sintering machine, thus stabilizing the link of the technique.

Description

A control method and control system for adjusting the position of the burn-through point of a blast sintering machine Technical field: The invention relates to the field of smelting industry, in particular to a control method and a control system for adjusting the position of the burn-through point of the sintering layer of a blast sintering machine in the process of smelting lead and zinc in an ISP closed blast furnace. technical background: Since the 1970s, the ISP airtight blast furnace lead and zinc smelting technology has been put into operation in my country's Shaoxing Smelter, which has produced great benefits. Three smelters in China, Baiyin, Huludao and Dongling, have been successfully built one after another. The blast sintering process is not only applied in this process, but also popularized in the conventional blast furnace lead smelting process. In the operation of the sintering process, the traditional operation control habits have not been completely chang...

AI Technical Summary

Problems solved by technology

Therefore, as the main operation process of the sintering process, the speed of the vehicle cannot be monotonously adjusted to ensure the position and temperature of the burn-through point, which will greatly change the processing capacity.

Therefore, at present, the burn-through point of the material layer in the domestic blast sintering plants is still controlled by adjusting the speed of the trolley, and basically does not adjust the thickness of the material layer. This control method is unreasonable

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