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Method for wiping surface of strip steel

A strip and strip technology, applied in the field of squeezing in the final cleaning section of the pickling process outlet, can solve problems such as not squeezing, and achieve the effects of improving quality, improving service life and reducing exchange frequency.

Inactive Publication Date: 2014-04-23
ZHANGJIAGANG POHANG STAINLESS STEEL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Similarly, when the narrow strip becomes wide under the same pressure conditions, the narrower the strip is, the greater the pressure is, and on the contrary, the wider the strip is, the less pressure is used, and the phenomenon of not being squeezed will also occur.

Method used

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  • Method for wiping surface of strip steel
  • Method for wiping surface of strip steel
  • Method for wiping surface of strip steel

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Embodiment Construction

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0026] Such as Figure 1-3 As shown, the present invention provides a method for squeezing the surface of strip steel, which includes the following steps: a) water removal treatment: provide an upper roller 1 and a lower roller 2 opposite up and down, and a strip steel 3 passes through the upper roller 1 After extruding with the lower roll 2 to remove the moisture on the surface of the strip steel 3, the middle part of the upper roll 1 and the lower roll 2 is a cyl...

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Abstract

The invention provides a method for wiping the surface of strip steel. The method comprises the following steps: 1, removing water: providing an upper roller and a lower roller which are opposite up and down, wherein the strip steel is extruded by the upper roller and the lower roller so that the water in the surface of the strip steel is removed, the middle parts of the upper roller and the lower roller are cylindrical rollers, circular truncated cone-shaped rollers are arranged at two ends of each cylindrical roller, and the width of the strip steel is more than that of each cylindrical roller; and b, drying, namely, sending the strip steel in drying equipment after the water of the strip steel is removed. According to the method for wiping the surface of the strip steel, provided by the invention, the strip steel can be effectively extruded, the water remained on the surface of the strip steel is removed as much as possible, the quality of the strip steel is effectively improved, and the purposes of reducing the changing frequency of the rollers and prolonging the service life of the roller can be reached.

Description

technical field [0001] The invention relates to a method for wringing out the final cleaning section at the outlet of a pickling process, in particular to a method for wringing out the surface of a steel strip used in the technical field of cold-rolled stainless steel production. Background technique [0002] During the cold rolling production process, after the steel strip undergoes electrolytic sodium sulfate, brushing, mixed acid pickling, and brushing again, some acid liquid will remain on the surface of the steel strip, which needs to be rinsed through the final cleaning section to remove the steel strip. Acid residue on surfaces. When the strip passes through the final cleaning section, due to the high speed of the production line and the wear of the edges of the existing cylindrical rollers, the strip extruded from the last pair of rollers in the final cleaning section will be on both sides There is water residue at the edge of the surface at a width of about 150mm, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23G3/02
Inventor 王民
Owner ZHANGJIAGANG POHANG STAINLESS STEEL
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