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Circulating flushing device for strip steels

A technology of washing device and strip steel, applied in workpiece cleaning device, workpiece surface treatment equipment, metal rolling, etc., can solve the problems of wasting washing water, reducing the yield of strip steel, yellow-green strip steel, etc., to reduce corrosion induced Probability and practicability

Inactive Publication Date: 2016-04-13
无锡华工薄板有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] After pickling, there is residual pickling solution on the surface of the strip, which needs to be cleaned and removed in time. However, there are certain deficiencies in the existing cleaning process, such as the waste of rinse water, the time of immersion in the cleaning water is too long and the temperature of the rinse water is too low. Causes yellow-green spots on the surface of the strip, resulting in a reduction in the yield of the strip

Method used

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  • Circulating flushing device for strip steels

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Embodiment Construction

[0014] The following will clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0015] see figure 1 , the embodiment of the present invention includes:

[0016] A circular washing device for strip steel, characterized in that it comprises: a washing tank 1, a water inlet 11 and a water outlet 12 are formed on the washing tank 1, the water inlet 11 is connected to a water tank 2, the The washing tank 1 is connected to a circulation system 3, and the circulation system 3 is connected to a gas recovery tower 4, and the circulation system 3 forms an inlet 31 and an outlet 32, and the inlet 31 is co...

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Abstract

The invention discloses a circulating flushing device for strip steels. The circulating flushing device comprises a flushing tank in which a water inlet and a water outlet are formed; the water inlet is connected with a water tank; the flushing tank is connected with a circulation system that is connected with a gas recovery tower and provided with an inlet and an outlet; the inlet is connected with the water outlet, while the outlet is connected with the water inlet; and a liquid heater is arranged in the circulation system. In such a manner, the circulating flushing device for strip steels provided by the present invention is capable of providing sufficient flushing water, and also environment-friendly, economical and high in practicability because acid removal and dechlorination treatments are performed on a waste liquid containing an acidic liquid after flushing before the waste liquid is introduced into the flushing tank to be recycled; further, the probability of corrosion happening to the strip steels is effectively reduced.

Description

technical field [0001] The invention relates to the field of steel strip cleaning, in particular to a circular washing device for strip steel. Background technique [0002] Strip steel rust removal is mainly carried out by physical and chemical methods. Among them, the chemical method is used to remove rust through the pickling line. The rust removal speed is fast and the rust removal is thorough. It is welcomed by the strip rolling processing industry. Pickling can be washed off Defects such as iron oxide scale and rust spots on the surface of raw materials make the surface smooth and clean, which can not only avoid accidents such as broken belts and steel sticking during rolling, but also make the surface of the finished product smooth without black spots and rust. [0003] After pickling, there is residual pickling solution on the surface of the strip, which needs to be cleaned and removed in time. However, there are certain deficiencies in the existing cleaning process, ...

Claims

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Application Information

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IPC IPC(8): B21B45/02C23G3/02
CPCB21B45/0275B21B45/029C23G3/02Y02P70/10
Inventor 姚冬泉
Owner 无锡华工薄板有限公司
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