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Method and system for improving roller surface temperature uniformity

A uniformity and roller surface technology, applied in the field of roller surface cooling methods and systems, can solve problems such as unfavorable production efficiency and easy deviation, and achieve the effect of facilitating the implementation of transformation, avoiding serious deviation, and improving the system structure

Active Publication Date: 2016-03-30
宝钢日铁汽车板有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Especially when the speed of the unit reaches 100m / min, deviation is more likely to occur. The only way that can be adopted is to maintain the passability by reducing the speed. However, reducing the speed of the unit has a great impact on production capacity and is not conducive to improving production efficiency.

Method used

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  • Method and system for improving roller surface temperature uniformity
  • Method and system for improving roller surface temperature uniformity
  • Method and system for improving roller surface temperature uniformity

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Embodiment Construction

[0043] The method and system for improving the temperature uniformity of the roll surface of the present invention will be further described below based on specific examples, but the specific examples and related descriptions do not constitute improper limitations to the technical solution of the present invention.

[0044] figure 2 and image 3 The structural diagrams of the system for improving the temperature uniformity of the roll surface according to the present invention are respectively shown in the first station and the second station.

[0045] exist figure 2 and image 3 The direction of the arrow in represents the flow direction of the cooling medium in the valve body, in the pipeline or in the cooling medium channel.

[0046] Such as figure 2 and image 3 As shown, the system G for improving the temperature uniformity of the roller surface in this embodiment includes: a roller 11, an air inlet pipe 12, an exhaust pipe 13, a cooling medium passage 14, a first...

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Abstract

The invention discloses a method for improving roller surface temperature uniformity. The method includes controlling a cooling medium to enter a cooling path in a roller from one of two ends at the axial direction of the roller in an alternative inverting manner, and to be discharged from the other end. A system for improving roller surface temperature uniformity comprises the roller, a gas feeding pipe and a gas discharging pipe, wherein the cooling medium path extending at the axial direction of the roller is disposed in the roller, two ends of the cooling medium path are provided with a cooling medium inlet and a cooling medium outlet, the gas feeding pipe is alternatively connected to the cooling medium inlet at one of the two ends of the cooling medium path, and when the gas feeding pipe is alternatively connected to the cooling medium inlet at one of the two ends of the cooling medium path, the gas discharging pipe is communicated with the cooling medium outlet at the other end of the cooling medium path. The system and the method can improve roller surface temperature uniformity and improve roller surface temperature symmetry.

Description

technical field [0001] The invention relates to a cooling method and system, in particular to a roller surface cooling method and system. Background technique [0002] The temperature of the strip zinc tapping pot after passing through the alloying tower is relatively high, and it must be transferred to the next process through the roller system. In order to prevent the roll surface from sticking to zinc at high temperature, it is necessary to effectively cool the roll system and improve the temperature uniformity of the roll surface to prevent serious deviation of the strip when passing through the internal cooling roll. [0003] After the cold-rolled hot-dip galvanizing unit leaves the zinc pot, the strip steel passes through the induction heating section, the heat preservation section, and the spray cooling section, and then reaches the top roll. The temperature of the strip steel at the top roll is usually between 300 and 350 degrees. At this time, the strip steel The s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C2/06C23C2/40
Inventor 王鲁金海云邵逸强李银林
Owner 宝钢日铁汽车板有限公司
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