Intelligent device and method for correcting trapezoidal defects of slab section in real time in online manner

Abstract

The invention discloses an intelligent device and method for correcting trapezoidal defects of a slab section in real time in an online manner. The intelligent device comprises a crystallizer and a sector, and further comprises an infrared measuring device and a crystallizer cooling water system, wherein the crystallizer is arranged at the top end of the sector; the infrared measuring device comprises a first infrared measuring device and a second infrared measuring device; the first infrared measuring device is arranged on the outer arc of the sector at the tail end; the second infrared measuring device is arranged on the inner arc of the sector at the tail end; the crystallizer cooling water system comprises a crystallizer cooling water operation module and a crystallizer cooling water PLC control module; the first infrared measuring device and the second infrared measuring device are respectively electrically connected with the crystallizer cooling water operation module; the crystallizer cooling water operation module is electrically connected with the crystallizer cooling water PLC control module; and the crystallizer cooling water PLC control module is used for controlling the amount of cooling water entering and exiting from the inner and outer arcs of the crystallizer.

Description

Technical field [0001] The invention belongs to the technical field of metallurgical continuous casting equipment, and in particular relates to an intelligent device and method for correcting trapezoidal defects of a slab section on-line in real time. Background technique [0002] Aiming at the long-cycle production process of the slab continuous casting machine, because of the uneven cooling of the inner and outer arcs of the continuous casting slab or the defects of the cooling equipment, the geometric defects of the inner and outer arcs of the continuous casting slab product are trapezoidal, causing serious internal corner defects. Seriously affect the quality of hot rolled products. Combining standards (YB / T2012-2004) and practical experience, when the difference between the inner and outer arc widths of conventional cast slabs is greater than ±5mm, it is easy to produce internal defects, such as subcutaneous cracks and corner internal cracks. Only by offline grinding treatme...

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Problems solved by technology

[0004] The purpose of the present invention is to overcome the deficiencies of the above-mentioned prior art, and provide an intelligent device and method for correcting the trapezoidal defect of the slab section online in real time, which overcomes the problem of 1 in the prior art: when the difference in width between the inner and outer arcs of a conventional slab is greater than ±5mm It is easy to produce internal defects, such as subcutaneous cracks, internal cracks in corners, etc.; 2: The use of flame surface cleaning, deep grinding and other technologies, resulting in a significant reduction in the yield of billets; Line processing, time-consuming and labor-intensive, serious reduction in economic benefits and other issues

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