Trench and sewage tank anticorrosion connecting structure

A sewage tank and trench technology, applied in the direction of sewage removal, water supply device, waterway system, etc., can solve problems such as failure to meet the requirements of anti-alkali corrosion, soil pollution, affecting production, etc., to prevent leakage of lye, solve settlement, use long life effect

Inactive Publication Date: 2012-06-06
SHENYANG ALUMINIUM MAGNESIUM INSTITUTE
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The deformation treatment of the connection between the ordinary trench and the sewage tank and the sealing of the hole edge cannot meet the requirements of anti-alkali corrosion. During long-term use, the alkali solution will penetrate in

Method used

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  • Trench and sewage tank anticorrosion connecting structure
  • Trench and sewage tank anticorrosion connecting structure
  • Trench and sewage tank anticorrosion connecting structure

Examples

Experimental program
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Embodiment Construction

[0016] The embodiments of the present invention will be further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited by the embodiments.

[0017] As shown in the figure, the anti-corrosion structure of the connection between the sewage tank and the sewage tank of the present invention includes a sewage tank pit 1 and an alkali-resistant trench 4, and a steel plate rectangular connection 6 is provided at the connection between the sewage tank pit 1 and the alkali-resistant trench 4, and the steel plate rectangular connection 6 The jacket has a steel plate casing 3, and the steel plate casing 3 is fixed in the sewage tank pit 1 through the flat steel 5, and the sewage tank pit 1 is provided with a sewage tank 9, and the steel plate rectangular connecting pipe 6 is inserted into the sewage tank wall 2, and the steel plate sleeve A steel plate flashing piece 7 is provided above the pipe 3, and the space betw...

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Abstract

The invention relates to a trench and sewage tank connecting structure, in particular to a trench and sewage tank anticorrosion connecting structure which is suitable for aluminum oxide plants and can resist alkali corrosion. The trench and sewage tank anticorrosion connecting structure comprises a sewage tank pit and an alkali-resisting trench. A steel plate rectangular connecting pipe is arranged at a position at which the sewage tank pit is connected with the alkali-resisting trench. A steel plate casing is sheathed outside the steel plate rectangular connecting pipe. The steel plate casing is fixed in the sewage tank pit through flat steel. A sewage tank is arranged in the sewage tank pit. The steel plate rectangular connecting pipe is inserted into the wall of the sewage tank. A steel plate flashing sheet is arranged above the steel plate casing. Alkali-resisting cement is used for the plugging between the steel plate casing and the alkali-resisting trench and between the alkali-resisting trench and the sewage tank pit. The trench and sewage tank anticorrosion connecting structure has the advantages that the tightness is good, the structure is rainproof, the service life is long, and not only can the problem of settlement between two structures be effectively solved, but also the leakage of alkali liquid is effectively prevented and the durability is good.

Description

technical field [0001] The invention relates to a connection structure between a trench and a sewage tank, in particular to an anticorrosion structure for connecting a trench and a sewage tank suitable for alkali corrosion resistance in an alumina plant. Background technique [0002] During the production process of the alumina plant, a large amount of lye is produced and flows into the sewage tank through the trench. The deformation treatment of the connection between the ordinary trench and the sewage tank and the sealing of the hole edge cannot meet the requirements of anti-alkali corrosion. During long-term use, the alkali solution will penetrate into the reinforced concrete beams, foundations and foundation soil along the joints, causing the reinforced concrete beams and foundations to be crystallized and expanded. damage, affect production, damage health, and cause soil pollution. Contents of the invention [0003] In order to solve the above technical problems, th...

Claims

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Application Information

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IPC IPC(8): E03F1/00E03F3/04F16L41/08
CPCY02A20/20
Inventor 吴刚金宝杰闵一凡
Owner SHENYANG ALUMINIUM MAGNESIUM INSTITUTE
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