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Cooling apparatus

A technology of cooling device and cooling fluid, applied in workpiece cooling device, quenching device, processing discharged materials, etc., can solve the problems of uneven cooling and deterioration of steel plate quality, and achieve the effect of improving cooling quality

Inactive Publication Date: 2019-04-02
POHANG IRON & STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] Therefore, there is a serious problem of steel plate quality degradation due to uneven cooling of the steel plate

Method used

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  • Cooling apparatus
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Embodiment Construction

[0043] Hereinafter, specific embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, the idea of ​​the present invention is not limited to the embodiments proposed below, and those skilled in the art to which the present invention pertains who understand the idea of ​​the present invention can easily propose other components by adding, changing, or deleting other constituent elements within the scope of the same idea. Backward inventions or other embodiments are included in the scope of the present invention, and these backward inventions or other embodiments are also included in the scope of the present invention.

[0044] In addition, components within the same idea and the same function shown in the drawings of the respective embodiments will be described using the same reference numerals.

[0045] The present invention relates to a cooling device 1 for cooling a cooled object such as a hot-rolled steel plate. T...

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Abstract

A cooling apparatus according to an embodiment of the present invention may comprise: a chamber member to which a cooling fluid is supplied from the outside; a discharge member, provided in the chamber member, for discharging the cooling fluid inside the chamber unit; and a resistance member, provided in an inlet portion of the chamber member, for inhibiting an initial flow of the cooling fluid supplied into the chamber member.

Description

technical field [0001] The present invention relates to a cooling device for cooling an object to be cooled such as a hot-rolled steel plate. Background technique [0002] The steel plate passing through the rolling mill is cooled on the run out table. Cooling mainly utilizes cooling water, and mainly adopts the method of spraying water on the steel plate through nozzles. [0003] Among them, coolers that spray cooling water through nozzles can be classified into turbulent flow coolers, spray coolers, and laminar flow coolers according to the cooling water injection method. [0004] The turbulent flow cooler sprays cooling water on the steel plate by applying a large internal pressure. Therefore, the turbulent flow cooler requires an auxiliary device for forming pressure, which complicates the overall equipment and increases installation costs. [0005] In addition, the speed of the cooling water sprayed through the nozzle is very fast, and the flow of the cooling steel p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D9/00C21D9/46C21D1/62
CPCB21B45/0218B21B45/0233C21D1/62C21D1/667C21D9/46C21D9/5735C21D9/00F27D15/0206C21D9/0062C21D1/60
Inventor 姜宗勋闵观植权辉燮
Owner POHANG IRON & STEEL CO LTD