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Wet leveling method and purge system

A technology of wet leveling and leveling liquid, which is applied in metal processing equipment, metal rolling, manufacturing tools, etc. It can solve the problem that it is difficult for the purging device to remove residual water stains on the surface of the strip, wet leveling spots on the surface of the strip, and increase production costs. problems, to achieve the effect of improving cleaning and blowing effect, reducing repair rate, and eliminating rust

Active Publication Date: 2018-12-18
湖北鼎信格林科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, after a cold-rolling single-stand skin-pass unit was rebuilt in 2009, it was difficult for the purging device to remove residual water stains on the surface of the strip, resulting in quality problems such as wet-level spots or corrosion on the surface of the strip, resulting in large-scale cold-rolling. Therefore, the rolled products are repaired, which not only reduces the yield, but also increases the production cost

Method used

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  • Wet leveling method and purge system
  • Wet leveling method and purge system
  • Wet leveling method and purge system

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Effect test

Embodiment 1

[0113] The purging system provided in this embodiment includes: a first upper main blowing beam, a second upper main blowing beam, an upper side sweeping beam, a lower main blowing beam and a lower side blowing beam, the first upper main The purge crossbeam, the second upper main purge crossbeam and the upper side purge crossbeam are sequentially located at the rear side of the upper work roll of the rolling mill along the rolling direction, and the lower main purge crossbeam and the lower side purge crossbeam are sequentially located at the side of the rolling mill along the rolling direction. The rear side of the lower work roll, and the upper side blowing beam and the lower side blowing beam are respectively located at the rear side of the second upper main blowing beam and the lower main blowing beam, the first upper main blowing beam, The second upper main blowing crossbeam, the upper side blowing crossbeam, the lower main blowing crossbeam and the lower side blowing cross...

Embodiment 2

[0119] The purging system provided in this embodiment includes: a first upper main blowing beam, a second upper main blowing beam, an upper side sweeping beam, a lower main blowing beam and a lower side blowing beam, the first upper main The purge crossbeam, the second upper main purge crossbeam and the upper side purge crossbeam are sequentially located at the rear side of the upper work roll of the rolling mill along the rolling direction, and the lower main purge crossbeam and the lower side purge crossbeam are sequentially located at the side of the rolling mill along the rolling direction. The rear side of the lower work roll, and the upper side blowing beam and the lower side blowing beam are respectively located at the rear side of the second upper main blowing beam and the lower main blowing beam, the first upper main blowing beam, The second upper main blowing crossbeam, the upper side blowing crossbeam, the lower main blowing crossbeam and the lower side blowing cross...

Embodiment 3

[0125] The purging system provided in this embodiment includes: a first upper main blowing beam, a second upper main blowing beam, an upper side sweeping beam, a lower main blowing beam and a lower side blowing beam, the first upper main The purge crossbeam, the second upper main purge crossbeam and the upper side purge crossbeam are sequentially located at the rear side of the upper work roll of the rolling mill along the rolling direction, and the lower main purge crossbeam and the lower side purge crossbeam are sequentially located at the side of the rolling mill along the rolling direction. The rear side of the lower work roll, and the upper side blowing beam and the lower side blowing beam are respectively located at the rear side of the second upper main blowing beam and the lower main blowing beam, the first upper main blowing beam, The second upper main blowing crossbeam, the upper side blowing crossbeam, the lower main blowing crossbeam and the lower side blowing cross...

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Abstract

The invention provides a wet leveling method and a purge system. The wet leveling method comprises the following steps that leveling liquid is sprayed on the surface of a cold-rolled steel plate, thenthe leveling liquid is rinsed out by adopting high-pressure cleaning, and the residual leveling liquid and water are dynamically purged by adopting the purge system, so that rust and wet leveling spots in the wet leveling process are removed. The wet leveling method uses the purge system, the nature of the leveling liquid is emphasized, a leveling liquid spraying system is adjusted, the cleaningand blowing-down effects are improved, the defects of the rust and the wet leveling spots are avoided, the repair rate of the cold-rolled steel plate is decreased, the repair cost is saved, and the production benefits are increased.

Description

technical field [0001] The invention relates to the technical field of cold-rolled steel plate production, in particular to a wet leveling device and method, in particular, the device and method can reduce defects such as rust and wet leveling spots. Background technique [0002] With the rapid development of the national economy, especially the development of the automobile industry and the home appliance industry, the requirements for the surface quality of cold-rolled steel products are getting higher and higher. Cold rolling is a cold deformation process with a small reduction. It is a process of great significance in the production process of cold rolled steel products. This process determines the surface state, shape and mechanical properties of the finished strip to a large extent. . There are mainly two methods of cold-rolled leveling: dry leveling and wet leveling, among which wet leveling is the most widely used. [0003] The quality of the purging device used to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B45/00
CPCB21B45/00
Inventor 宋刚薛红伟林志平李琛刘洪宋木清范庆国田德新
Owner 湖北鼎信格林科技有限公司
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