A kind of high-density polyethylene leachate transportation pipeline for landfill

Abstract

The invention relates to a high-density polyethylene leachate transportation pipeline for a landfill, comprising a pipe body, a connecting ring and a sealing ring. The inner wall of the pipe body and the connecting ring is provided with a connecting groove, and the connecting groove is provided with a connecting groove. There are clamping grooves, the two ends of the sealing ring are provided with clamping blocks, the inner wall of the sealing ring is provided with a second attachment layer, the pipe body and the connection ring are provided with connection holes, and the connection ring is provided with a connection hole. The two ends are provided with a first attachment layer, the clamping block of the sealing ring is clamped to the connection ring and the pipe body through the connection groove and the clamping groove, the pipe body and the connection ring are fastened through the connection hole, and the second adhesive layer of the sealing ring is used. The attachment layer attaches and seals the gap between the connection ring and the pipe body, and attaches and seals the connection between the connection ring and the pipe body through the first attachment layer of the connection ring. In the case of spillage in the joint gap, contamination and corrosion of other objects such as soil.

Description

technical field [0001] The invention relates to the technical field of leachate transportation pipelines, in particular to a high-density polyethylene leachate transportation pipeline for landfills. Background technique [0002] As we all know, the water quality of landfill leachate is complex and contains a variety of toxic and harmful inorganic and organic substances. The leachate also contains non-chlorinated aromatic compounds such as naphthalene and phenanthrene, chlorinated aromatic compounds, phosphate esters, and phenols that are difficult to biodegrade. Compounds and aniline compounds, etc., the highest concentration of CODcr and BOD5 in landfill leachate can reach thousands to tens of thousands. Compared with urban sewage, the concentration is much higher. Therefore, the leachate cannot be directly treated without strict treatment and disposal. Generally speaking, CODcr, BOD5, BOD5 / CODcr will decrease with the time of the landfill, and the alkalinity content will i...

AI Technical Summary

Problems solved by technology

[0002] As we all know, the water quality of landfill leachate is complex, containing a variety of toxic and harmful inorganic and organic substances. The leachate also contains non-chlorinated aromatic compounds such as naphthalene and phenanthrene that are difficult to biodegrade, chlorinated aromatic compounds, phosphate esters, and phenols. Compounds and aniline compounds, etc., the highest concentration of CODcr and BOD5 in landfill leachate can reach thousands to tens of thousands. Compared with urban sewage, the concentration is much higher, so the leachate cannot be directly treated without strict treatment and disposal. Generally speaking, CODcr, BOD5, BOD5 / CODcr will decrease with the time of the landfill, while the alkalinity content will increase. During the installation of the existing leachate pipeline, the connection of the pipeline It is easy to have more gaps, causing the leachate to flow out, causing serious environmental pollution. In addition, during the transportation process, garbage is easy to follow the leachate into the pipeline, and if it accumulates too much, it will easily lead to pipeline blockage and other problems.

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