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Continuous casting blank thickness online measuring and pressing amount adjusting system

A technology for adjusting the system and continuous casting slab, which is applied in the direction of measuring devices, configuration of indicating equipment/measuring equipment, casting equipment, etc., can solve problems such as the influence of slab solidification quality, and achieve the effect of improving the solidification quality of slab

Active Publication Date: 2019-08-30
JIANGYIN XINGCHENG SPECIAL STEEL WORKS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, affected by factors such as equipment capacity, implementation deviation, metal solidification properties (expansion and contraction in non-preset forms), the slab does not solidify completely according to the preset or recognized laws during the continuous casting production process. Therefore, according to The reduction control preset by the system may not be able to achieve the predetermined reduction target. If the reduction is too large or too small, it will have a great impact on the solidification quality of the slab

Method used

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  • Continuous casting blank thickness online measuring and pressing amount adjusting system
  • Continuous casting blank thickness online measuring and pressing amount adjusting system
  • Continuous casting blank thickness online measuring and pressing amount adjusting system

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Effect test

Embodiment 1

[0048] Embodiment 1: A continuous casting slab thickness online measurement and reduction adjustment system in this embodiment, such as the schematic diagram of the device (attached Figure 1-3 ) shows, including a continuous casting slab online infrared distance measuring probe, casting slab thickness calculation feedback system and continuous casting machine reduction adjustment system. The accuracy of the distance measuring device is 100 μm, and the distance measurement error is ≤100 μm. The distance measurement probe is fixed on the center surface of the straight arc or arc continuous casting machine in the width direction, and at the center of the inner arc of the arc segment. The online distance measurement device can be three-dimensional along the fixed point Turn, the measurement work can cover the designated measurement area, and dust, high and low temperature, and moisture protection measures are installed on the probe.

[0049] The slab online distance measuring dev...

Embodiment 2

[0052] Embodiment 2: A kind of continuous casting rectangular slab thickness on-line measurement and reduction adjustment system, such as device schematic diagram (attached Figure 1-3 ), including two online acoustic ranging probes for continuous casting slabs, a slab thickness calculation feedback system and a continuous casting machine reduction adjustment system. The accuracy of the distance measuring device is 100μm, and the distance measurement error is ≤100μm. One of the distance measurement probes is fixed on the non-central surface in the width direction of the straight arc or arc continuous casting machine, 2m below the center of the inner arc of the arc section, and the other is fixed on the straight arc. On the non-center surface in the width direction of the arc or arc continuous casting machine, 3m above the center of the inner arc of the arc segment. The online distance measuring device can rotate three-dimensionally along the fixed point, and the measurement wo...

Embodiment 3

[0054] Embodiment 3: A kind of continuous casting round slab diameter on-line measurement and reduction adjustment system, such as the schematic diagram of the device (attached Figure 2-6 ), including an on-line electromagnetic distance measuring probe for continuous casting slabs, a feedback system for calculating slab thickness and a continuous casting machine reduction adjustment system. The accuracy of the distance measuring device is 100 μm, and the distance measurement error is less than or equal to 100 μm. The distance measurement device is fixed on the vertical surface of the straight arc or arc continuous casting machine including the center line of the round billet, and at the center of the inner arc of the arc segment. The online distance measurement device can Rotating along the fixed point in the center of the circle, the measurement work can cover the designated measurement area, and dust, high and low temperature, and moisture protection measures are installed o...

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Abstract

The invention relates to a continuous casting blank thickness online measuring and pressing amount adjusting system. The continuous casting blank thickness online measuring and pressing amount adjusting system is characterized by comprising a continuous casting blank online distance measuring device, a casting blank thickness feedback system and a continuous casting machine pressing adjusting system; and the continuous casting blank online distance measuring device which is fixed above a casting drawing section of the continuous casting machine measures a distance from a source point to each appointed point of a casting blank according to a certain frequency, a casting blank thickness feedback system is applied to calculate the thickness of the casting blank according to the measured distance, then a result is fed back to a secondary system of the continuous casting system, and an existing continuous casting machine pressing adjusting system is applied to adjusting the pressing amount.By adopting the continuous casting blank thickness online measuring and pressing amount adjusting system, the thickness of the casting blank in the online continuous casting process can be accuratelyand rapidly fed back in real time, and deviation of the pressing amount of the casting blank in the continuous casting production process influenced by factors, such as the capabilities of continuouscasting equipment, implementation deviation in the pressing process and metal solidification property (non-preset form expansion and shrinkage), are avoided, so that the function of continuous casting pressing is exerted to the maximum, and the solidification quality of the casting blank is improved.

Description

technical field [0001] The invention relates to a system for on-line measurement of continuous casting slab thickness and adjustment of reduction amount. It belongs to continuous casting control equipment in the metallurgical industry. Background technique [0002] Continuous casting in the metal smelting industry is a process in which metal is poured through a continuous casting machine from a liquid to a solid state with preset dimensions. Slab reduction in the continuous casting process is one of the effective technologies to improve the internal defects of the slab. The existing reduction system is usually set and controlled according to the preset reduction program. However, affected by factors such as equipment capacity, implementation deviation, metal solidification properties (expansion and contraction in non-preset forms), the slab does not solidify completely according to the preset or recognized laws during the continuous casting production process. Therefore, ac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D11/16G01B21/08B22D2/00
CPCB22D11/16G01B21/08B22D2/00B22D11/207B22D11/208B22D2/005B22D11/1206G01B11/0691G01B11/026B21B1/463G01B21/22
Inventor 刘吉刚陈玉辉徐国庆宋延成张卫卫李忠平
Owner JIANGYIN XINGCHENG SPECIAL STEEL WORKS CO LTD
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