Continuous casting billet weight-fixed and size-fixed cutting method

A cutting method and continuous casting billet technology, applied in the field of billet cutting, can solve the problems of uncontrollable raw material billet weight control, affecting the yield index of rolled bars, redundant cutting tails, etc., so as to reduce safety risks, reduce labor intensity, The effect of improving weight accuracy

Inactive Publication Date: 2017-12-08
SICHUAN DESHENG GRP VANADIUM & TITANIUM CO LTD
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Problems solved by technology

At present, the billet length is cut according to the fixed length, and in the continuous casting production process of molten steel, affected by factors such as mold wear of the continuous casting machine, molten steel alloy composition and casting speed changes, the same flow of continuous casting at different times I

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  • Continuous casting billet weight-fixed and size-fixed cutting method
  • Continuous casting billet weight-fixed and size-fixed cutting method
  • Continuous casting billet weight-fixed and size-fixed cutting method

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[0015] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and preferred embodiments. It should be noted that the following preferred embodiments should not be regarded as limiting the present invention, and the protection scope of the present invention should be determined by the scope defined in the claims. For those skilled in the art, without departing from the spirit and scope of the present invention, some improvements and modifications can also be made, and these improvements and modifications should also be regarded as the protection scope of the present invention.

[0016] see figure 1 , a cutting system corresponding to a continuous casting slab cutting method of fixed weight and length provided by the present invention, it includes a measuring unit and a cutting unit, the cutting unit is a flame ...

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Abstract

The invention discloses a continuous casting billet weight-fixed and size-fixed cutting method, which comprises the following steps of calculating the sectional area of a continuous casting billet by measuring height and width of the continuous casting billet; then querying densities of the continuous casting billet at different temperatures through a density table, and calculating length of the continuous casting billet needing to be cut according to the weight of the continuous casting billet needing to be cut; and finally, detecting online length of the continuous casting billet in real time, and cutting the steel billet by a flame cutting machine when the steel billet is conveyed by a conveying roller bed to cut length. By adopting the continuous casting billet weight-fixed and size-fixed cutting method provided by the invention, online weight-fixed and length-fixed cutting of the continuous casting billet can be realized, the labor intensity of a worker is lightened, and the safety risk generated in the measuring and size fixing process of the worker at work is reduced; and meanwhile, by carrying out size-fixed cutting after weight fixing, the weight accuracy of a blank is improved, the yield of the steel billet is increased, and waste is reduced.

Description

technical field [0001] The invention relates to a method for cutting continuous casting slabs by fixed weight and length, and belongs to the technical field of steel slab cutting. Background technique [0002] The length and weight of continuous casting slabs in the bar rolling production line are important technical indicators for the assessment of the yield and cut-to-length ratio of the rolling system, and are also an important aspect that restricts the benefits of steel mills. At present, the billet length is cut according to the fixed length, and in the continuous casting production process of molten steel, affected by factors such as mold wear of the continuous casting machine, molten steel alloy composition and casting speed changes, the same flow of continuous casting at different times In the section, there is a difference in the weight of the billet cut by the fixed length, so that in the subsequent bar rolling production process, the fixed weight of the raw materi...

Claims

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Application Information

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IPC IPC(8): B22D11/16
CPCB22D11/163
Inventor 廖勇唐俊张生策郑锡辉周鸿雨谢超
Owner SICHUAN DESHENG GRP VANADIUM & TITANIUM CO LTD
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