Heat-retaining rolling equipment

A thermal device and heat preservation technology, which is applied in metal rolling, metal rolling, manufacturing tools, etc., can solve the problems of heat preservation effect limitation, heat preservation device is not easy to change the heat preservation cover, etc., so as to improve the heat preservation effect, Ease of maintenance operation and prevention of damage

Pending Publication Date: 2021-06-18
POHANG IRON & STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, since the heat preservation device is not easy to change the size of the heat preservation cover, it is limited to improve the heat preservation effect when the width or thickness of the conveyed material changes.

Method used

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  • Heat-retaining rolling equipment
  • Heat-retaining rolling equipment
  • Heat-retaining rolling equipment

Examples

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Embodiment Construction

[0038] Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. The following examples are proposed to fully convey the idea of ​​the present invention to those skilled in the art to which the present invention pertains. However, the present invention is not limited to the examples shown here, and may be embodied in other forms. In order to clarify the present invention, parts irrelevant to the description may be omitted in the figures, and the size of components may be appropriately enlarged to facilitate understanding.

[0039] figure 1 is a perspective view showing a rolling device to which a heat retaining device according to an embodiment of the present invention is applied. refer to figure 1 , the rolling device comprises: a heating furnace 10, which heats the material for rolling; a rough rolling mill 30, which rolls the material 20 heated in the heating furnace 10; a finish rolling mill 40, which rolls...

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PUM

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Abstract

The invention relates to heat-retaining rolling equipment. The heat-retaining rolling equipment according to an embodiment of the present invention comprises a heat-retaining cover which covers the outside of a material to be transferred along a transfer line to retain heat, wherein the heat-retaining cover comprises: an upper cover part which covers the upper side of the material; a first and a second side cover part which cover the lateral sides of the material and are rotatably connected to both sides of the upper cover part, respectively; and at least one driving part for rotating the first or the second side cover part to control unfolding of the first or the second side cover part.

Description

technical field [0001] The invention relates to a rolling heat preservation device, which can change the shape of the heat preservation cover according to the size of the conveyed material to improve the heat preservation effect. Background technique [0002] The material for rolling is transported to the rough rolling process after being heated to about 1300-1400° C. in a heating furnace. When the material heated as above goes through the rough rolling process, its temperature drops to about 900-1100° C. due to the influence of cooling water or the atmosphere, and a temperature deviation in the length direction appears as the length increases. [0003] The material after the rough rolling process is transported to the finishing rolling process along a conveying line (roller table) of about 100 meters. During this process, the temperature of the material drops further due to air cooling. Based on the rolling time point in the finish rolling process, the temperature deviati...

Claims

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Application Information

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IPC IPC(8): B21B45/00
CPCY02P70/10B21B45/008B21B2203/12B21B37/76
Inventor 郑昌规金丽银宋吉镐崔锡灿
Owner POHANG IRON & STEEL CO LTD
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