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Inner rib reinforced polyethylene spiral corrugated pipe and joint connecting method thereof

A polyethylene spiral and joint connection technology, which is applied in the direction of pipeline connection arrangement, pipe/pipe joint/pipe fitting, pipe, etc., can solve the problems of reduced service life of pipes, easy delamination and cracking, and potential safety hazards, etc. The effect of structural stability

Pending Publication Date: 2018-07-06
江苏桓通环境科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the process of municipal construction, polyethylene corrugated pipes are generally used for buried drainage, and their diameters are relatively large. The general ring stiffness of this type of plastic buried drainage pipe can reach the level of SN8; and between two segmented corrugated pipes The weak link of the pipe is easy to delaminate and crack under the action of external force, resulting in easy deformation of the pipe, reduced service life of the pipe, and prone to safety hazards. Generally, regular inspection is required to find damage and timely maintenance, but the maintenance cost is very high.

Method used

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  • Inner rib reinforced polyethylene spiral corrugated pipe and joint connecting method thereof
  • Inner rib reinforced polyethylene spiral corrugated pipe and joint connecting method thereof
  • Inner rib reinforced polyethylene spiral corrugated pipe and joint connecting method thereof

Examples

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Effect test

Embodiment 1

[0053] Such as figure 1 As shown, the internal rib reinforced polyethylene spiral corrugated pipe provided by the present invention includes a corrugated pipe body 1, the corrugated pipe body includes a spiral corrugation 11 and a pipe body 12, and the structure of the spiral corrugation includes an outer layer poly Ethylene layer 21, glass fiber reinforced layer 22 and inner polyethylene layer 23; wherein, the inside of the spiral corrugation 11 is a hollow chamber, and a reinforced internal rib 24 is provided inside it, such as figure 2 and Figure 13 As shown, as a preference, the reinforcing internal rib is one of the following two forms: a strut vertically inside the spiral corrugation, or an X-shaped arrangement in the middle, the two internal ribs intersect each other, and the extending direction Consistent with the direction of the spiral corrugation.

[0054] In this embodiment, the cross-sectional shape of the corrugation is a conventional semicircle.

[0055] As...

Embodiment 2

[0079] The difference from Example 1 is that during the implementation of the joint connection method of the inner rib reinforced polyethylene spiral corrugated pipe, the shrinkage tube is first used for reinforcement, and then the joint is reinforced with a clamp. Such a joint processing technology is repeated in Example 1. On the basis of the structure, the mechanical stability of the structure can be enhanced more effectively.

Embodiment 3

[0081] The difference from the above two embodiments is that an inner rib glass fiber layer is added inside the inner rib, which has a stronger effect.

[0082] Such as image 3 , Figure 4 As shown, the corrugated shape has been further optimized, trapezoidal or triangular, and other bellows shapes with simple structure but strong stability can be selected.

[0083] The inner rib reinforced polyethylene spiral corrugated pipe provided by the present invention can also be connected by joints in the following ways:

[0084] Such as Figure 8 The connection of the FRP Huff parts shown is sealed with a rubber sleeve, and the pipes to be connected are connected and fixed through the FRP Huff parts with a spiral.

[0085] This connection method is suitable for pipe diameter DN / ID≤1200mm.

[0086] The connection of the flat port pipe can be connected by conical socket type electrofusion connection, socket type rubber sealing ring connection, etc.

[0087] 1. The socket-type ele...

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Abstract

The invention provides an inner rib reinforced polyethylene spiral corrugated pipe and a joint connecting method thereof. The spiral corrugated pipe comprises a corrugated pipe body. The corrugated pipe body comprises a spiral corrugation and a pipe body. The spiral corrugation structurally comprises an outer polyethylene layer, a glass fiber reinforced layer and an inner polyethylene layer from outside to inside in sequence, wherein a hollow cavity is formed in the spiral corrugation; and reinforcement inner ribs are arranged in the hollow cavity. The construction method comprises the following steps that firstly, a corrugated pipe joint is cleaned to make sure that the end face of the joint is flat; secondly, the corrugated pipe joint is connected through an electric smelting band; and thirdly, a shrinkage pipe and / or a hoop is used for reinforcement construction of the joint. The inner ribs are additionally arranged in the corrugation of the corrugated pipe, in addition, the invention provides the fusion type joint connecting method, the ring stiffness of the corrugated pipe can be effectively improved, and the section positions are stable in structure and not prone to being broken.

Description

technical field [0001] The invention belongs to the technical field of corrugated pipes used in municipal construction, in particular to an internal rib reinforced polyethylene spiral corrugated pipe and a joint connection method thereof. Background technique [0002] In the process of municipal construction, polyethylene corrugated pipes are generally used for buried drainage, and their diameters are relatively large. The general ring stiffness of this type of plastic buried drainage pipe can reach the level of SN8; and between two segmented corrugated pipes The weak link of the pipe is easy to delaminate and crack under the action of external force, resulting in easy deformation of the pipe, reduced service life of the pipe, and prone to safety hazards. Generally, regular inspection is required to find damage and timely maintenance, but the maintenance cost is very high. . Contents of the invention [0003] In order to solve the above technical problems, the present inv...

Claims

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Application Information

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IPC IPC(8): F16L9/00F16L9/16F16L47/02F16L47/03F16L47/22
CPCF16L9/006F16L9/16F16L47/02F16L47/03F16L47/22
Inventor 俞青松
Owner 江苏桓通环境科技有限公司
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