A pipe-through horizontal gas collection system for landfill

A collection system and landfill technology, applied in landfill technology, solid waste removal, chemical instruments and methods, etc., can solve problems such as uneven settlement, and achieve easy processing, stable system, and clear force transmission Effect

Inactive Publication Date: 2018-08-17
LIAONING UNIVERSITY OF TECHNOLOGY
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0004] The present invention designs and develops a pipe-through-pipe horizontal gas collection system for landfills. The purpose is to use a saw-toothed interface that can stretch and resist damping to connect single pipes and the connection between single pipes and the long strip pads arranged in the horizontal The lower part of the air collecting pipe is used to solve the uneven settlement caused by the garbage decomposing

Method used

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  • A pipe-through horizontal gas collection system for landfill
  • A pipe-through horizontal gas collection system for landfill
  • A pipe-through horizontal gas collection system for landfill

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Embodiment Construction

[0032] The present invention will be further described in detail below in conjunction with the accompanying drawings, so that those skilled in the art can implement it with reference to the description.

[0033] Such as figure 1 As shown, the pipe-through horizontal gas collection system for landfills provided by the present invention includes: multiple gravel channels 100 , multiple blind ditches, metal mesh boxes 300 and horizontal gas collection pipes 400 .

[0034] Wherein, when gas is processed in the landfill, a series of gravel passages 100 are arranged obliquely inside the landfill;

[0035] Multiple blind ditches are horizontally arranged on the top of the landfill and communicate with the gravel channel 100. The cross-sectional area of ​​the blind ditches can be initially set to 700mm×700mm (it can be expanded with the depth of the landfill). The length of the ditch is not more than 120m, and the horizontal interval of each layer is between 15m and 50m.

[0036] Th...

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Abstract

The invention discloses a pipe-pipe horizontal gas collection system for a landfill, comprising: a plurality of gravel passages arranged obliquely inside the landfill; a plurality of blind ditches arranged horizontally on the top of the landfill, And communicate with the gravel channel; the metal mesh box, which is rectangular, is set inside the blind ditch; the horizontal gas collection pipe has a rectangular perforation, and is connected at the center of the metal mesh box; among them, the horizontal gas collection pipe It adopts a serrated interface connection that can be stretched and resisted damping, which can be freely stretched and twisted, which effectively improves the anti-unevenness ability and improves and improves the anti-seepage and drainage ability to improve the efficiency of gas collection.

Description

technical field [0001] The invention relates to the fields of building construction and pipeline dredging, in particular to a buried-site through-pipe horizontal gas collection system. Background technique [0002] It is generally believed that in landfills, especially in relatively deep-buried gas-gathering landfills, the horizontal gas-gathering efficiency is much higher than that of vertical shaft gas-gathering systems by 5 to 35 times, and the gas production of a single horizontal well is relatively high, but Gas well sealing should be considered. Moreover, compared with the vertical gas collection system, the horizontal gas collection system is not affected by the landfill when the garbage is buried, and it is suitable for newly built and large-area landfills in operation, especially for areas with high environmental requirements. However, the reflux of the condensate in the horizontal gas collection system greatly affects the gas collection capacity of the vertical co...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B09B1/00B09B3/00
CPCB09B1/004B09B3/20Y02W30/30
Inventor 孙洪军周爱鹏赵丽红曹宾陈威
Owner LIAONING UNIVERSITY OF TECHNOLOGY
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