Method and system for improving water cooling quality of TMCP steel plate

A steel plate, water cooling technology, applied in workpiece cooling device, workpiece surface treatment equipment, metal rolling, etc., can solve problems such as poor water cooling quality of steel plate

Inactive Publication Date: 2020-02-28
SHOUGANG CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The embodiment of the present application solves the technical problem of poor water-cooling quality of steel plates in the existing TMCP process by providing a method and system for improving the water-cooling quality of TMCP steel plates

Method used

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  • Method and system for improving water cooling quality of TMCP steel plate
  • Method and system for improving water cooling quality of TMCP steel plate

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Embodiment 1

[0039] In this embodiment, a method for improving the water-cooling quality of TMCP steel plates is provided. The method of the present invention improves the original TMCP production line, and a pre-leveler is installed at the entrance of the water-cooling equipment in the original TMCP production line; There are no restrictions on some straightening equipment, as long as they can meet the straightening needs of wide and thick plates.

[0040] see figure 1 , the method includes:

[0041] S101. After the steel plate is rolled, control the steel plate to advance towards the straightening machine at a first speed;

[0042] S102. When the head of the steel plate is 2-3m away from the center line of the pre-leveler, control the steel plate to decelerate to a second speed, so that the steel plate bites into the pre-leveler at the second speed machine for straightening;

[0043] S103. Control the steel plate passing through the pre-leveler to enter the water cooling equipment at ...

Embodiment 2

[0061] In this embodiment, a system for improving the water-cooling quality of TMCP steel plates is used in a TMCP production line, and a pre-leveler is installed at the entrance of the water-cooling equipment in the TMCP production line;

[0062] see figure 2 , the system includes:

[0063] The first control module is used to control the steel plate to travel to the straightening machine at a first speed after the steel plate is rolled;

[0064] The second control module is used to control the deceleration of the steel plate to a second speed when the head of the steel plate is 2-3m away from the center line of the pre-leveler, so that the steel plate bites at the second speed The pre-straightener performs straightening;

[0065] The third control module is used to control the steel plate passing through the pre-leveler to enter the water cooling equipment at the second speed and complete water cooling to obtain a water cooled steel plate. .

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Abstract

The invention discloses a method and system for improving the water cooling quality of a TMCP steel plate. The method and system are used for a TMCP production line. A pre-straightening machine is mounted on an inlet of water cooling equipment in the TMCP production line. The method comprises the steps that after the steel plate is rolled, the steel plate is controlled to advance towards the pre-straightening machine at first speed; the speed of the steel plate is controlled to be reduced to second speed at the position where the distance between the head of the steel plate and the center lineof the pre-straightening machine ranges from 2 m to 3 m, so that the steel plate enters the pre-straightening machine to be straightened at the second speed; and the steel plate passing through the pre-straightening machine is controlled to enter the water cooling equipment at the second speed, water cooling is completed, and the steel plate obtained after water cooling is obtained. The technicalproblem that in an existing TMCP, the water cooling quality of the steel plate is poor is solved.

Description

technical field [0001] The invention relates to the technical field of steel plate cooling uniformity control, in particular to a method and system for improving the water cooling quality of TMCP steel plates. Background technique [0002] The TMCP process is a technology widely used in wide and thick plate production lines, which has played a major role in improving the strength of the product and reducing the alloy composition of the steel plate. However, the problem of poor water cooling quality in the water cooling process seriously restricts the popularization and application of this technology. Contents of the invention [0003] The embodiment of the present application solves the technical problem of poor water cooling quality of the steel plate in the existing TMCP process by providing a method and system for improving the water cooling quality of the TMCP steel plate. [0004] On the one hand, the present application provides the following technical solutions thr...

Claims

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Application Information

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IPC IPC(8): B21B37/74B21B45/02
CPCB21B37/74B21B45/0218
Inventor 路士平田鹏顾林豪李群武卫阳冯韦何元春张学峰黄乐庆狄国标李少坡马长文
Owner SHOUGANG CORPORATION
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