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Steel strip pickling bath with sudden stop device

A technology for pickling tanks and steel strips, which is applied to the field of pickling tanks for steel strips with emergency stop devices, can solve the problems of easy volatilization and waste of acid solution, and easy deposition of impurities on the surface of steel strips, so as to improve surface quality and avoid pollution. Effect

Active Publication Date: 2016-03-09
ANHUI CHUJIANG SPECIAL STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at the disadvantages in the prior art that the acid liquid in the pickling line is easy to volatilize and waste and the surface of the steel strip is easy to deposit impurities, the invention provides a steel strip pickling tank with an emergency stop device, which can effectively avoid the impact caused by equipment shutdown , and reduce the waste of pickling solution, thereby reducing production costs and improving the pickling environment

Method used

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  • Steel strip pickling bath with sudden stop device
  • Steel strip pickling bath with sudden stop device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Such as figure 1 with figure 2 As shown, a steel strip pickling tank with an emergency stop device in this embodiment includes a pressure roller I3, a pressure roller II6, a pickling tank 501, an acid tank cover 4, a squeezing roller 8, and a drying air knife 9 and emergency stop device, wherein the pressure roller I3 and the pressure roller II6 are respectively arranged at the entrance and exit positions of the pickling tank, and the pressure roller I3 and the pressure roller II6 press the steel strip into the pickling solution in the pickling tank 501, so that the steel strip The belt is always fully soaked in the pickling solution during the continuous forward movement to realize the pickling process; the exit position of the pickling tank is also equipped with a squeeze roller 8 and a drying air knife 9 in turn, and the surface of the steel strip after pickling A layer of acid is attached, and the steel strip first passes between the upper and lower rollers of th...

Embodiment 2

[0035] Same as embodiment 1, the difference is that the size of α in this embodiment is 20°.

Embodiment 3

[0037] Same as embodiment 1, the difference is that the size of α in this embodiment is 30°.

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PUM

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Abstract

The invention discloses a steel strip pickling bath with a sudden stop device, and belongs to the technical field of steel strip pickling equipment. The steel strip pickling bath comprises a press roll I, a press roll II, pickling pools, pickling pool covers, a wringing roller, a blow drying air knife and the sudden stop device, wherein the press roll I and the press roll II are respectively arranged in the inlet position and the outlet position of the pickling bath; the wringing roller and the blow drying air knife are sequentially arranged in the outlet position of the pickling bath; two or more pickling pools are arranged in the pickling bath; the lower parts of the adjacent pickling pools communicate with each other; a sealed side wall is fixedly connected on the outer side of each pickling pool side wall; the groove formed between each sealed side wall and the corresponding pickling pool side wall is a water seal tank; each pickling pool cover covers the corresponding pickling pool; and the sudden stop device is arranged on one side of the pickling bath. Through the adoption of the technical scheme provided by the invention, the influence caused by equipment halt can be effectively avoided, the leakage and waste of a pickling solution are effectively prevented, and the production cost is reduced.

Description

technical field [0001] The invention relates to the technical field of steel strip pickling equipment, more specifically, to a steel strip pickling tank with an emergency stop device. Background technique [0002] At present, before the steel strip enters the cold rolling process, it generally needs to be pickled first, because the steel strip is prone to oxidation in a humid environment, and there is a thick oxide film on the surface, which leads to obvious discoloration of the finished product, which seriously affects the steel strip. The quality and appearance of the product, the main purpose of pickling is to effectively remove impurities on the surface of the steel strip. If the pickling of the steel strip is not thorough, on the one hand, it will directly cause impurities to be pressed into the surface of the steel strip during the production process, affecting the quality of cold-rolled products; on the other hand, it will adversely affect the roll roughness and emuls...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23G3/02
CPCC23G3/021C23G3/025C23G3/026
Inventor 王刚唐时葵秦升龙
Owner ANHUI CHUJIANG SPECIAL STEEL CO LTD