Anti-seepage method for HDPE plastic discharge pipe joint
A drainage pipe and connecting port technology, which is applied in the anti-seepage field of the connecting port of HDPE plastic drainage pipe, can solve the problems of easy leakage, sharp increase in construction cost, prolonged construction period, etc., so as to save labor and improve docking strength and durability. , The effect of saving construction time
Inactive Publication Date: 2019-01-18
CHINA FIRST METALLURGICAL GROUP
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Problems solved by technology
[0002] The current HDPE pipe connection mostly adopts hot-melt connection and socket connection, but the socket connection method requires connection ports of different pipe diameters, and the construction method of hot-melt connection with the same pipe diameter is prone to leakage when the nozzles are not aligned. There is no good solution in the existing technology. When the leakage is solved, the construction cost will increase sharply and the construction period will be greatly extended. Therefore, there is an urgent need for an interface anti-seepage technology with low construction cost
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[0027] The present invention is illustrated below in conjunction with the accompanying drawings, and the present invention is illustrated by taking HDPE double-wall corrugated pipe 1 as an example,
[0028] As shown in the figure, the HDPE double-wall corrugated pipe 1 has a circle of grooves 5 on the outside and is straight on the inside.
[0029] An anti-seepage method for a connection of an HDPE plastic drainage pipe, comprising the following steps:
[0030] Step 1. Clean up the site and find a level site;
[0031] Step 2. Take two HDPE double-wall corrugated pipes 1 that need to be connected and have the same pipe diameter. The HDPE double-wall corrugated pipe 1 has an annular groove 5 on the outside;
[0032] Step 3. Carry out flat processing on the ends of the HDPE double-wall corrugated pipe 1, and the cut is located at the outer groove 5 of the two HDPE double-wall corrugated pipes 1;
[0033] Step 4. Use water-swellable rubber sealing ring 2 to be stuck at the joint...
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The invention discloses an anti-seepage method for an HDPE plastic discharge pipe joint. The anti-seepage method comprises the steps that firstly, land is cleaned, and smooth land is selected; two HDPE plastic discharge pipes with the same pipe diameter which need to be connected are obtained, the ends of the HDPE plastic discharge pipes are cut flat, and notches are formed in grooves in the outerportions of the two HDPE plastic discharge pipes; the joint of the two HDPE plastic discharge pipes is clamped with a water-expandable rubber sealing ring, wherein the inner side part of the rubber sealing ring is located in the HDPE plastic discharge pipes, and the outer side part of the rubber sealing ring is located in the grooves outside the HDPE plastic discharge pipes; the centers of the two HDPE plastic discharge pipes are aligned, pipe mouths are aligned, and then the pipe joint is wrapped with hot melt adhesive tape; the two HDPE plastic discharge pipes are subjected to hot melt connection, and then anti-seepage treatment of the HDPE plastic discharge pipe joint is completed. The HDPE plastic discharge pipe connection method is low in cost and high in efficiency, and the airtightness of the HDPE plastic discharge pipe connection process is greatly improved.
Description
technical field [0001] The invention belongs to the field of building construction, and relates to a connection method of a plastic drainage pipe, in particular to a method for preventing seepage at a connection port of an HDPE plastic drainage pipe. Background technique [0002] The current HDPE pipe connection mostly adopts hot-melt connection and socket connection, but the socket connection method requires connection ports of different pipe diameters, and the construction method of hot-melt connection with the same pipe diameter is prone to leakage when the nozzles are not aligned. There is no good solution in the existing technology. When the leakage is solved, the construction cost will increase sharply and the construction period will be greatly extended. Therefore, there is an urgent need for an interface anti-seepage technology with low construction cost. Contents of the invention [0003] The object of the present invention is to provide an anti-seepage method for...
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IPC IPC(8): F16L47/03F16J15/46
CPCF16J15/46F16L47/03
Inventor 黄子彦鲁爽刘冠豪徐展
Owner CHINA FIRST METALLURGICAL GROUP