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Preparation method of hot-pressed steel plate blank

A technology of hot-pressing steel plates and slabs, which is applied to the improvement of process efficiency, furnaces, electric furnaces, etc. It can solve the problems of substandard quality of slabs and high production risks, so as to improve the yield rate, improve the quality of preparation, and improve the quality of slabs Effect

Inactive Publication Date: 2022-04-29
张岩
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] For this reason, the present invention provides a method for preparing a hot-pressed steel plate slab, which can solve the technical problems of high production risk and substandard slab quality in the slab preparation process of the related art

Method used

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  • Preparation method of hot-pressed steel plate blank

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Embodiment Construction

[0043] In order to make the objects and advantages of the present invention clearer, the present invention will be further described below in conjunction with the examples; it should be understood that the specific examples described here are only for explaining the present invention, and are not intended to limit the present invention.

[0044] Preferred embodiments of the present invention are described below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principle of the present invention, and are not intended to limit the protection scope of the present invention.

[0045] It should be noted that, in the description of the present invention, terms such as "upper", "lower", "left", "right", "inner", "outer" and other indicated directions or positional relationships are based on the terms shown in the accompanying drawings. The direction or positional relationship shown is ...

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Abstract

The invention relates to a preparation method of a hot-pressed steel plate blank, which comprises the following steps of: adding scrap steel serving as a raw material into an electric furnace through a feeding hole, heating the scrap steel into molten steel, and injecting the molten steel into a steel ladle through a water outlet of the electric furnace; the steel ladle is conveyed into the refining furnace through a steel ladle conveying device, and deoxidizing operation is conducted on molten steel in the steel ladle in the refining furnace; and injecting the deoxidized molten steel into a water injection port in a continuous casting machine in an inert gas environment so as to form a plate blank through a continuous casting mold in the continuous casting machine, and pulling the plate blank out of an outlet of the continuous casting machine, thereby completing the manufacturing process of the hot-pressed steel plate blank. By detecting the cleanliness of the molten steel and the content of oxyphilous substances in the molten steel and adjusting the injection amount of the inert gas and the time node adopted when the plate blank is pulled out according to the corresponding detection result, the manufacturing process of the hot-pressed steel plate blank is accurately controlled, and the manufactured plate blank is good in quality.

Description

technical field [0001] The invention relates to the technical field of steel plate production, in particular to a method for preparing a hot-pressed steel plate slab. Background technique [0002] With the continuous improvement of my country's industrialization level, it has further promoted the rapid development of my country's steel production industry. In the process of steel production, slab continuous casting is a very important construction process, and its quality is directly related to the quality of the final product. Slab continuous casting is the process of making steel slabs for hot pressing by using continuous casting technology. After processing, the slabs become steel plates or steel strips for hot pressing. [0003] For hot-pressed steel plates, it is usually expressed by SHPC, where the first S is the abbreviation of Steel, P is the abbreviation of Plate, H is the abbreviation of Heat, and C is the abbreviation of Commercial. Strip, main chemical composit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21C5/52C21C7/06B22D11/20B22D11/11
CPCC21C5/52C21C7/06B22D11/201B22D11/11C21C2005/5288Y02P10/20
Inventor 张岩
Owner 张岩
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