Converter tapping monitoring control system based on thermal image processing
An image processing, monitoring and control technology, applied in the manufacture of converters, etc., can solve the problems of difficult to guarantee recognition rate, unadjustable resolution, difficult reconstruction optimization, etc., to achieve timely and accurate alarm, increase system cohesion, and system parameters Online adjustable effects
Inactive Publication Date: 2012-07-04
杭州谱诚泰迪实业有限公司
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In addition, the existing infrared slag detection system still has the following problems: the system architecture is unstructured, and it is difficult to reconstruct and optimize according to different continuous casting working conditions and process requirements; adjustment, which makes it difficult to guarantee the recognition rate
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[0033] In conjunction with the accompanying drawings, the present invention will be described in detail below.
[0034] 1. System function framework and module composition
[0035] The overall technical scheme of the present invention is: using a far-infrared thermal imager to collect the thermal image signal of the steel flow when the converter is tapping out, according to the difference in thermal radiation rate of molten steel and steel slag contained in the steel flow in a specific far-infrared band range, combined with discrete wavelet Transform (Discrete Wavelet Transfer, DWT) algorithm to identify the state of steel flow online, and then issue relevant control instructions to drive the on-site execution device to complete real-time monitoring and automatic control of converter tapping, and finally achieve the goal of reducing steel slag in the ladle content, but also to increase the yield of molten steel and reduce the labor intensity of workers.
[0036] The functiona...
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The invention relates to the field of automation control of ferrous metallurgy and aims at providing a converter tapping monitoring control system based on thermal image processing. The converter tapping monitoring control system comprises a far infrared data collecting module, an industrial field control unit, an industrial field auxiliary unit and a system control unit, wherein the far infrared data collecting module is connected with a far infrared thermal imaging instrument; the system control unit comprises a split mounting type indoor control cabinet; and functional devices such as an industrial grade liquid crystal display device, an industrial grade personal computer, an industrial field processing control unit, a power source management unit and an electrical control unit are integrated inside the split mounting type indoor control cabinet. For the converter tapping monitoring control system, the component-based module design and encapsulation are adopted, the system cohesion is increased, and the coupling between modules is reduced so that the converter tapping monitoring control system can be reconstructed according to different continuous casting production conditions and process requirements. The converter tapping monitoring control system is convenient to install and maintain and has no influence on steel-making production as the original equipment is not transformed; and the converter tapping monitoring control system has the advantages of non-contact type detection, automatic regulation of internal temperature, automatic dust removal, sealing protection of a metal housing and long service life.
Description
technical field [0001] The invention relates to the field of automatic control of iron and steel metallurgy, in particular to a monitoring and control system for tapping in a converter based on thermal image processing. Background technique [0002] In the process of steelmaking, the amount of slag dropped during the tapping of the converter must be strictly controlled. If the slag blocking of the converter tapping fails or the effect is not ideal, it will lead to an increase in the top slag of the ladle. In the subsequent refining process, more energy will be consumed. Too much deoxidizer deoxidizes and modifies the ladle slag, which increases the refining cost. At the same time, if the amount of slag is too large, reversion of phosphorus, manganese and silicon will easily occur in the molten steel during the refining process, making it difficult to control the composition of the molten steel. During the refining of molten steel, the oxygen in the ladle slag diffuses into ...
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Inventor 李培玉
Owner 杭州谱诚泰迪实业有限公司
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