Mechanical stirring method hot metal desulfurization system

Abstract

The invention relates to a molten iron desulfurization system adopting a mechanical stirring method. The molten iron desulfurization system comprises a steel platform. A stirring head capable of rotating around the vertical axis is arranged on the steel platform and located over the moving path of a molten iron tank. The molten iron desulfurization system further comprises a binocular camera, a control processor and a stirring head driving mechanism. The binocular camera is used for collecting distance information between the binocular camera and the liquid level in the molten iron tank; the control process is used for collecting and processing the distance information detected by the binocular camera so as to calculate the height difference between the stirring head and the liquid level in the molten iron tank; and the stirring head driving mechanism is used for driving the stirring head to move vertically according to the height difference calculated by the control processor, and theworking state of the stirring head driving mechanism is controlled by the control processor. According to the molten iron desulfurization system adopting the mechanical stirring method, the liquid level in the molten iron tank can be accurately detected through the binocular camera, precision is quite high and can reach the millimeter level, the height of the liquid level can also be accurately detected even if the liquid level in the molten iron tank is uneven, and intellectualization is high; and additionally, the binocular camera only receives passive light, thus the requirement for the mounting angle is low, and convenience is achieved.

Description

technical field [0001] The invention relates to molten iron desulfurization in the field of metallurgy, in particular to a mechanical stirring method molten iron desulfurization system. Background technique [0002] Mechanical stirring method desulfurization (also called KR desulfurization) is an indispensable means of hot metal pretreatment in modern steelmaking plants. It has the advantages of high desulfurization efficiency and low operating cost, so it is widely used. The automatic detection of the liquid level of molten iron is an insurmountable difficulty in the automation of the desulfurization by the mechanical stirring method. The existing automatic detection method of molten iron level mainly determines the molten iron level by measuring the tension change of the steel wire rope of the suspension stirring head driving device when the stirring head enters the molten iron. This method has the disadvantage of large measurement error, and the detection of the molten ir...

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Problems solved by technology

[0003] The purpose of the present invention is to provide a mechanical stirring method molten iron desulfurization system, which aims to solve the problem of poor detection accuracy of the molten iron level in the existing mechanical stirring method desulfurization system

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