Machining method and device of strip steel X80

A processing method and technology of a processing device are applied in the field of strip steel rolling in hot continuous strip steel production enterprises, and can solve the problems of unformed strip steel, difficulty in coiling by a coiler, and scrap steel.

Inactive Publication Date: 2019-12-31
PANGANG GRP XICHANG STEEL & VANADIUM CO LTD
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  • Abstract
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  • Claims
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Problems solved by technology

[0003] X80 adopts the low-temperature coiling control mode, and the strip steel has a high level of strength. If the head is also controlled at low temperature, the strip steel will not be formed in the coiler, and scrap steel may be caused, which may cause the coiler to coil difficultly.

Method used

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  • Machining method and device of strip steel X80

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Embodiment Construction

[0032] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0033] The core of the present invention is to provide a processing method and device for X80 steel strip that can control the temperature of the X80 steel strip coiled by a coiler.

[0034] Please refer to figure 1 , figure 1 It is a flowchart of a processing method for X80 steel strip provided by the present invention.

[0035] A processing method for X80 strip steel, comprising:

[0036] S1: select any X80 steel strip as the target strip;

[0037] S2: r...

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Abstract

The invention discloses a machining method of strip steel X80. The method includes the steps of selecting any strip steel X80 as the target strip steel, rolling the target strip steel, controlling a layer-cooling collector to be started when the head portion with the preset length from the movement front end to the movement tail end of the target strip steel is located below the layer-cooling collector, and winding the target strip steel. The target strip steel is rolled first, the layer-cooling collector can cool the target strip steel, the layer-cooling collector has a certain length in thedistribution direction, the target strip steel can move in the distribution length direction of the layer-cooling collector, since the target strip steel is in a moving state all the time, the contacttime of the head portion of the target strip steel and a strand of cooling flow is shorter than the contact time of the body portion of the target strip steel and the strand of cooling flow, the temperature of the head portion can be controlled to be higher than the temperature of the body portion, and the target strip steel can be easily wound. The invention discloses the machining device of thestrip steel X80.

Description

technical field [0001] The invention relates to the technical field of strip steel rolling in hot continuous strip steel production enterprises, and more specifically relates to a processing method and device for X80 strip steel. Background technique [0002] With the construction of large-scale energy strategic projects such as the National West-to-East Gas Pipeline, the demand for high-grade pipeline steel such as X80 for high-pressure long-distance oil and gas pipelines is increasing. The degree of harshness, the chemical composition and rolling method of X80 are basically mature in China at present. [0003] X80 adopts the low-temperature coiling control mode, and the strip steel has a high level of strength. If the head is also controlled at low temperature, the strip steel will not be formed in the coiler, resulting in scrap steel, which may cause the coiler to coil difficultly. [0004] To sum up, how to control the temperature of the X80 pipeline steel coiled by the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B1/22B21B37/74B21B37/72
CPCB21B1/22B21B37/72B21B37/74
Inventor 王登刚刘勇李卫平赵志斌王羿田维兵付开忠
Owner PANGANG GRP XICHANG STEEL & VANADIUM CO LTD
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