Online cooling method and device for hot-bent square and rectangular pipe

The technology of a cooling device and cooling method, which is applied in the field of high-temperature strip steel cooling, can solve the problems of easy deformation and low cooling efficiency, and achieve the effects of guaranteed cooling effect, convenient installation and layout, and simple structure

Pending Publication Date: 2020-09-11
CISDI RES & DEV CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In view of the above-mentioned shortcomings of the prior art, the object of the present invention is to provide an online cooling method and cooling device for hot-bent

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  • Online cooling method and device for hot-bent square and rectangular pipe
  • Online cooling method and device for hot-bent square and rectangular pipe
  • Online cooling method and device for hot-bent square and rectangular pipe

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Embodiment Construction

[0030] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention.

[0031] It should be noted that terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description and are not intended to be used. To limit the practicable scope of the present invention, the change or adjustment of the relative relationship shall also be regarded as the practicable scope of the present invention without substantially changing the technical conte...

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Abstract

The invention relates to the technical field of high-temperature strip steel cooling, in particular to an online cooling method and device for a hot-bent square and rectangular pipe. The hot-bending rectangular pipe comprises two side wall sets which are oppositely arranged, the two side wall sets on the same section are synchronously subjected to spray cooling and straightening pressure application respectively, and spray cooling and straightening pressure application are alternately and circularly conducted on side walls of each set. The method and the device have the beneficial effects thatthe two side wall sets on the same section are subjected to spray cooling and straightening pressure application at the same time, and straightening pressure application and direct spray cooling arealternately and circularly conducted, so that all side walls can be fully cooled, stress deformation of the hot-bent square and rectangular pipe can be overcome through stress, and the production quality of the hot-bent square and rectangular pipe is guaranteed.

Description

technical field [0001] The invention relates to the technical field of high-temperature strip steel cooling, in particular to an online cooling method and cooling device for a hot-bent rectangular tube. Background technique [0002] The hot bending forming process refers to the use of high-temperature steel strips (steel plates) as raw materials and the use of roll forming processes to produce section steel. The shaped steel is generally cooled by air cooling, which greatly occupies the area of ​​the factory building, has low cooling efficiency, and has a great impact on the internal environment of the factory. Especially hot-bent rectangular tubular steel, because of its structural characteristics, it is easy to deform during the cooling process, and the cooling efficiency is low, and the product forming quality is poor. Contents of the invention [0003] In view of the above-mentioned shortcomings of the prior art, the object of the present invention is to provide an on...

Claims

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Application Information

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IPC IPC(8): B21D37/16B21D3/05
CPCB21D3/05B21D37/16
Inventor 王洪春李宏图王式研王海隆
Owner CISDI RES & DEV CO LTD
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