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Connecting method and structure for horizontal impervious layer and drainage vertical shaft of red mud yard

A connection method and technology of an anti-seepage layer are applied in the field of sludge disposal in the waste water treatment station of an alumina plant, which can solve the problems of leakage, the sealing of the joint and the uneven foundation, and achieve a simple construction method and solve the sealing and foundation problems. Uneven settlement, good effect of anti-seepage and leakage

Active Publication Date: 2007-03-07
GUIYANG AL-MG DESIGN & RES INST
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  • Abstract
  • Description
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Problems solved by technology

[0006] In order to solve this problem, the present invention proposes a connection method and structure suitable for the horizontal anti-seepage layer of the red mud stockyard and the drainage shaft, which can effectively solve the leakage problem caused by the sealing of the junction and the uneven settlement of the foundation

Method used

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  • Connecting method and structure for horizontal impervious layer and drainage vertical shaft of red mud yard
  • Connecting method and structure for horizontal impervious layer and drainage vertical shaft of red mud yard

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Embodiment Construction

[0016] A square groove (2) is set on the drainage shaft (1), and its material is the same as the shaft. The groove (2) is integrated with the drainage shaft (1). If the drainage shaft (1) is a steel structure, the groove (2) is made of steel plates; if the drainage shaft (1) is a reinforced concrete structure, the groove (2) is also made of reinforced concrete and constructed together with the shaft. Groove (2) depth is about 1m.

[0017] An annular edge (3) is provided outside the groove (2). Its width is estimated based on foundation settlement.

[0018] Then construct the cushion course (4) in the horizontal anti-seepage layer, and its top is flush with the annular edge (3).

[0019] Then lay the composite geomembrane (5). The composite geomembrane is folded once on the annular edge (3), and then laid along the side wall of the groove (2) to the bottom of the groove (2). Concrete is poured in the groove (2) afterwards, and the top of the concrete is flush with the annu...

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Abstract

This invention discloses one red earth bump level anti-transparency layer and discharge shaft connection method and its structure, which comprises the following steps: setting concaved tank on discharge shaft and ring edge in concaved tank; then processing level anti-transparency pad layer with top part align to ring edge; then paving compound geomembrane; then drilling concrete into concaved tank; finally processing anti-transparency protection layer.

Description

Technical field: [0001] The invention relates to a treatment method for sludge in an alumina plant wastewater treatment station, and belongs to the technical field of alumina plant wastewater treatment. [0002] Technical Background: Technical Field: [0003] The invention relates to a connection method and structure suitable for a horizontal anti-seepage layer of a red mud storage yard and a drainage shaft, and belongs to the technical field of anti-seepage of the red mud storage yard. Background technique: [0004] In order to protect the environment and prevent the leakage of red mud attached liquid, anti-seepage layers are installed in the red mud storage yards. The horizontal anti-seepage method with artificial anti-seepage material-composite geomembrane as the core is widely used. The lower part of the composite geomembrane is provided with a cushion layer, and the upper part is provided with a protective layer. [0005] The drainage shaft is one of the main facilit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D29/16E02D31/06
Inventor 李明阳
Owner GUIYANG AL-MG DESIGN & RES INST
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