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A directional corrosion film component and its use method

A technology for corrosion film and components, applied in the field of directional corrosion film components, can solve the problems of reduced service life, easy corrosion of the cover, corrosion of the box, etc., and achieves the effect of improving the firmness of adhesion and increasing the surface area of ​​adhesion

Active Publication Date: 2018-11-30
孙健春
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] As we all know, most of the existing water storage tanks use steel tanks to improve strength, but steel tanks are easy to cause corrosion in the external environment and reduce the service life
Especially the cover at the upper end of the water tank is most likely to be corroded, which will cause safety problems for some food-grade water tanks
The water tank cover is generally coated with anti-corrosion coating, but the surface of the existing carbon steel parts is smooth, and the bonding force with the anti-corrosion coating is low. By directional etching some concave surfaces on the surface of the carbon steel part, its surface area can be increased. It can increase the bonding area of ​​the coating layer, improve the bonding effect, and prevent the later detachment

Method used

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  • A directional corrosion film component and its use method
  • A directional corrosion film component and its use method
  • A directional corrosion film component and its use method

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Embodiment Construction

[0016] The specific implementation manners of the present invention will be further described below in conjunction with the drawings and examples. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0017] Such as Figure 1-Figure 6 As shown, a directional corrosion film assembly, the directional corrosion film assembly includes a composite film body, the composite film body forms a corrosion bag for accommodating the water tank cover 3, the corrosion bag is provided with an opening, and the opening is A sealing strip 17 is provided; the composite membrane body includes an outer membrane body 14 and an inner membrane body 15 compounded with the outer membrane body, the surface of the inner membrane body 15 is provided with a bubble body 19, and the inside of the bubble body 19 There is hydrochloric acid solution, and a one-way suction valve 18 is also...

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Abstract

The invention discloses a directional corrosion film assembly and an application method thereof. The directional corrosion film assembly comprises a composite film body, a corrosion bag used for containing a water tank cover is formed by the composite film body and is provided with an opening, and a sealing strip is arranged at the opening position. The composite film body comprises an outer-layer film body and an inner-layer film body combined with the outer-layer film body. Bubbles are arranged on the surface of the inner-layer film body and internally contain hydrochloric acid solutions. The composite film body is further provided with a one-way air suction valve. Through the corrosion film assembly, influences from other outside gases and impurities are eliminated, and the reaction becomes controllable. Meanwhile, the positions of the bubbles on the surface of the inner-layer film body can be reasonably designed so that real directional corrosion can be achieved. Corrosion pits are generated in the surface of a steel piece obtained after directional corrosion, the attaching superficial area of the steel piece is increased in subsequent spraying, and the attaching firmness degree is improved.

Description

technical field [0001] The invention relates to a directional corrosion film component and its application method. Background technique [0002] As we all know, most of the existing water storage tanks use steel tanks to improve strength, but the steel tanks are easy to cause corrosion in the external environment and reduce the service life. Especially the cover body at the upper end of the water tank is most likely to be corroded, which will cause safety problems in use for some food-grade water tanks. The water tank cover is generally coated with anti-corrosion coating, but the surface of the existing carbon steel parts is smooth, and the bonding force with the anti-corrosion coating is low. By directional etching some concave surfaces on the surface of the carbon steel part, its surface area can be increased. It can increase the bonding area of ​​the coating layer, improve the bonding effect, and prevent the later detachment. In the prior art, there is an urgent need fo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23F1/28
CPCC23F1/28
Inventor 赵玉侠施银峰
Owner 孙健春
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