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Waste acid system with internal circulation structure

A technology of internal circulation and waste acid tank, which is applied in pipeline system, gas/liquid distribution and storage, mechanical equipment, etc. It can solve problems such as burned out pumps and blocked water pipes, so as to avoid burning out, solve deposition blockage, and stabilize production Effect

Pending Publication Date: 2022-06-07
阳江宏旺实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, in the existing pickling system, scale and steel shavings in the waste acid after pickling will settle in the waste acid barrel, block the water pipe, and even burn out the pump in severe cases.

Method used

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  • Waste acid system with internal circulation structure

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Embodiment Construction

[0019] The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the present invention, but not to limit the present invention.

[0020] like figure 1 As shown, the waste acid circulation system of the present invention includes a waste acid tank 1, an inner circulation structure and a waste acid pump 2; wherein, the inner circulation structure is connected to the waste acid tank 1 and the waste acid pump 2.

[0021] The waste acid tank 1 is connected with a first discharge pipe 3 at the bottom and a second discharge pipe 4 at the upper end. The first discharge pipe 3 is connected with a first discharge port 5 and the second discharge pipe 4 is connected with a second discharge port 6 . Further, the first discharge pipe 3 is connected with a conveying pipe 7 , and the waste acid pump 2 is installe...

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Abstract

The invention provides a waste acid system with an internal circulation structure. The waste acid system comprises a waste acid tank, the internal circulation structure and a waste acid pump, the waste acid tank is connected with a first discharge pipeline; the first discharging pipeline is connected with a conveying pipeline, and the waste acid pump is installed on the conveying pipeline. The internal circulation structure comprises an internal circulation pipeline and an internal circulation valve, one end of the internal circulation pipeline is connected with the conveying pipeline, and the other end is connected with the waste acid tank. The internal circulation valve is mounted at one end of the internal circulation pipeline close to the waste acid tank. According to the waste acid system with the internal circulation structure, blockage of the waste acid tank and the pipeline is effectively reduced, the stability of a production line is ensured, and the pump is prevented from being burnt out.

Description

technical field [0001] The invention relates to the technical field of stainless steel production equipment, in particular to a waste acid system. Background technique [0002] After cold rolling, stainless steel needs to be pickled. The purpose of pickling is to remove the oxide layer formed on the surface of the steel strip during the annealing process, and to passivate the surface of the stainless steel to improve the corrosion resistance of the steel strip. [0003] However, in the existing pickling system, after pickling, there are oxide scales and steel scraps in the waste acid, which will precipitate in the waste acid tank, block the water pipe, and even burn out the pump. SUMMARY OF THE INVENTION [0004] The invention provides a waste acid system with an internal circulation structure which can effectively reduce the clogging of the waste acid tank, reduce the operation difficulty of maintenance personnel, ensure the stability of the production line, and at the sa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F17D1/14F17D3/01C23G3/02
CPCF17D1/14F17D3/01C23G3/021Y02E60/10
Inventor 朱继乔刘慧丹李凤娟卢威
Owner 阳江宏旺实业有限公司
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