CN212643799U - High strength municipal administration drainage composite pipe of structure wall for blowdown - Google Patents
High strength municipal administration drainage composite pipe of structure wall for blowdown Download PDFInfo
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- CN212643799U CN212643799U CN201922294013.5U CN201922294013U CN212643799U CN 212643799 U CN212643799 U CN 212643799U CN 201922294013 U CN201922294013 U CN 201922294013U CN 212643799 U CN212643799 U CN 212643799U
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Abstract
The utility model provides a high strength municipal administration drainage composite pipe of structure wall for blowdown belongs to tubular product technical field. The utility model discloses a high-strength municipal drainage and pollution discharge structure wall composite pipe, which comprises a flexible pipe body and a reinforcing rib spirally wound on the flexible pipe body; the reinforcing rib is of a hollow structure, the radial cross section of the reinforcing rib is isosceles trapezoid or square, the contact area of the reinforcing rib and the flexible pipe body is large, stress at the joint can be well dispersed, the ring stiffness of the composite pipe is increased, the stress area of the reinforcing rib and a soil layer can be increased, and particularly when the radial cross section of the reinforcing rib is isosceles trapezoid, the ring stiffness of the composite pipe is larger.
Description
Technical Field
The utility model belongs to the technical field of tubular product, a high strength municipal administration drainage is compound pipe of structure wall for blowdown is related to.
Background
The structural wall composite pipe is an indispensable sewage discharge pipe in the urban sewage treatment system. The strengthening rib shape of present structure wall composite pipe is circular, and circular strengthening rib winding pipe is yielding in the manufacturing process, leads to its intensity to reduce to some extent, and the connected mode of circular winding pipe and body be the point connection or be the line connection, and the point of connection or line easily become stress concentration point.
Disclosure of Invention
In order to overcome the above-mentioned shortcoming and not enough of prior art, the utility model aims to provide a high strength municipal administration drainage is compound pipe of structure wall for blowdown to make strengthening rib non-deformable in manufacturing process, bigger with the area of contact of body, increase the ring rigidity of compound pipe.
The technical scheme of the utility model is that: the utility model provides a high strength municipal administration drainage is compound pipe of structure wall for blowdown, includes flexible body and spiral winding strengthening rib on the flexible body, and wherein the strengthening rib is hollow structure, and radial cross sectional shape is isosceles trapezoid or square. When the radial cross-sectional shape of strengthening rib is isosceles trapezoid or square, when being circular than its radial cross-sectional shape, it is bigger with the area of contact of body, enables the stress of junction to obtain the better dispersion, can also increase the lifting surface area of strengthening rib and soil horizon.
As the preferred embodiment of the composite pipe of the present invention, the radial cross-sectional shape of the reinforcing rib is an isosceles trapezoid. When the radial cross section of the reinforcing rib is in an isosceles trapezoid shape, the ring stiffness of the composite pipe can be increased to a greater extent than when the radial cross section of the reinforcing rib is in a circular or square shape.
As a preferred embodiment of the composite pipe of the present invention, the material of the flexible pipe body is a mixture of an elastomer and Polyethylene (PE). The mixed material of the elastomer and the polyethylene is used as the material of the flexible pipe body, so that the overall longitudinal flexibility of the composite pipe can be increased, and the construction of the composite pipe is facilitated.
As a preferred embodiment of the composite pipe of the present invention, the elastomer comprises a polyolefin elastomer.
As a preferred embodiment of the composite pipe of the present invention, the material of the flexible pipe body is polyethylene.
As the preferable embodiment of the composite pipe of the present invention, the material of the reinforcing rib is a mixture of polyethylene, basalt fiber and a coupling agent. The basalt fiber is a fiber with high strength, corrosion resistance, high temperature resistance and degradability, and can further enhance the ring stiffness, deformation resistance and environmental protection property of the composite pipe after being modified by the coupling agent compared with that before being modified.
As a preferred embodiment of the composite tube of the present invention, the coupling agent is vinyltrimethoxysilane.
As a preferred embodiment of the composite pipe of the present invention, the material of the reinforcing rib is polyethylene.
As the preferable embodiment of the composite pipe of the present invention, the outer diameter of the composite pipe is 150-3000 mm.
As a preferred embodiment of the composite pipe of the present invention, the ring stiffness of the composite pipe is 6.3 to 16kN/m2I.e., SN6.3-SN 16.
The utility model discloses beneficial effect for prior art does: the radial cross section of the reinforcing rib of the high-strength municipal drainage and pollution discharge structure wall composite pipe is isosceles trapezoid or square, the contact area with the flexible pipe body is large, the stress at the joint can be better dispersed, the ring stiffness of the composite pipe is increased, and the stress area of the reinforcing rib and the soil layer is increased; when the radial cross section of the reinforcing rib is in the shape of an isosceles trapezoid, the ring stiffness of the composite pipe can be increased to a greater extent than when the radial cross section of the reinforcing rib is in the shape of a circle or a square.
Drawings
FIG. 1 is a schematic structural view of the high-strength municipal drainage and sewage composite pipe of the present invention;
FIG. 2 is a schematic view of the construction of a composite pipe in which the radial cross-sectional shape of the reinforcing bars is square;
FIG. 3 is a schematic view of the construction of the composite pipe when the radial cross-sectional shape of the reinforcing bars is circular;
wherein, 1-reinforcing rib, 2-tube body.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
Example 1
The utility model discloses an embodiment of high strength municipal administration drainage is structure wall composite pipe for blowdown, its schematic structure is shown in figure 1, this composite pipe includes flexible body 2 and spiral winding strengthening rib 1 on flexible body 2, wherein strengthening rib 1 is hollow structure, radial cross sectional shape is isosceles trapezoid, the material of flexible body 2 is the misce bene of polyolefin elastomer and polyethylene, the material of strengthening rib 1 is polyethylene, vinyl trimethoxy silane and length are 0.2-6 mm's the fibrous misce bene of basalt, length is 0.2-6 mm's basalt fibre needs to be modified through vinyl trimethoxy silane earlier and then mixes with polyethylene when strengthening rib 1 prepares. The winding structure wall pipe of the composite pipe is PE DN/ID 200SN4 (the nominal size is 200mm, and the ring rigidity grade is SN4 isosceles trapezoid polyethylene winding structure wall pipe).
Example 2
The utility model discloses an embodiment of high strength municipal administration drainage is compound pipe of structure wall for blowdown, its structural schematic is as shown in FIG. 1, this compound pipe includes flexible body 2 and spiral winding strengthening rib 1 on flexible body 2, wherein strengthening rib 1 is hollow structure, radial cross sectional shape is isosceles trapezoid, flexible body 2 and strengthening rib 1's material is PE, the winding arrangement wall tubular product of this compound pipe is PE DN ID 200SN4 (nominal size is 200mm, ring rigidity level is SN 4's isosceles trapezoid polyethylene winding arrangement wall tubular product).
Example 3
The utility model discloses an embodiment of high strength municipal administration drainage is structure wall composite pipe for blowdown, its schematic structure is shown in figure 2, this composite pipe includes flexible body 2 and spiral winding strengthening rib 1 on flexible body 2, wherein strengthening rib 1 is hollow structure, radial cross sectional shape is the square, the material of flexible body 2 is the misce bene of polyolefin elastomer and polyethylene, the material of strengthening rib 1 is polyethylene, vinyltrimethoxysilane and length are 0.2-6 mm's the fibrous misce bene of basalt, the basalt fibre that length was 0.2-6mm when strengthening rib 1 was prepared need be modified with vinyltrimethoxysilane earlier and then mixes with polyethylene. The winding structure wall pipe of the composite pipe is PE DN/ID 200SN4 (nominal size is 200mm, and ring stiffness grade is SN4 square polyethylene winding structure wall pipe).
The polyolefin elastomers of example 1 and example 3 were each polyolefin elastomer LC-175 from Xiaoxing, Korea, and vinyltrimethoxysilane LT-171 from New chemical Material of Qufujia industries, Ltd.
Example 4
The utility model discloses an embodiment of high strength municipal administration drainage is compound pipe of structure wall for blowdown, its schematic structure is shown in figure 2, and this compound pipe includes flexible body 2 and spiral winding strengthening rib 1 on flexible body 2, and wherein strengthening rib 1 is hollow structure, and radial cross sectional shape is the square, and flexible body 2 and strengthening rib 1's material are PE. The winding structure wall pipe of the composite pipe is PE DN/ID 200SN4 (nominal size is 200mm, and ring stiffness grade is SN4 square polyethylene winding structure wall pipe).
Comparative example
The present comparative example relates to a general composite pipe, the schematic structural diagram of which is shown in fig. 3, the general composite pipe comprises a flexible pipe body 2 and a reinforcing rib 1 spirally wound on the flexible pipe body 2, wherein the reinforcing rib 1 has a hollow structure, the radial cross-sectional shape is circular, and the flexible pipe body 2 and the reinforcing rib 1 are made of PE. The winding structure wall pipe of the composite pipe is PE B DN/ID 200SN4 (nominal size is 200mm, ring rigidity grade is SN 4B type polyethylene winding structure wall pipe).
The composite pipes of examples 1 to 4 and comparative example were subjected to performance tests, and the test results are shown in table 1.
TABLE 1 composite pipe Performance test results
Claims (6)
1. A high-strength composite pipe for a structural wall for municipal drainage and sewage is characterized in that the composite pipe comprises a flexible pipe body and a reinforcing rib spirally wound on the flexible pipe body; the reinforcing rib is of a hollow structure, and the radial section of the reinforcing rib is in an isosceles trapezoid shape or a square shape.
2. The composite tube of claim 1, wherein the reinforcing bars are isosceles trapezoidal in radial cross-sectional shape.
3. The composite tube of claim 1, wherein the material of the flexible tube body is polyethylene.
4. The composite tube of claim 1 wherein the material of the reinforcing ribs is polyethylene.
5. The composite tube of claim 1, wherein the outer diameter of the composite tube is 150-3000 mm.
6. The composite pipe of claim 1 having a ring stiffness of 6.3-16kN/m2。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922294013.5U CN212643799U (en) | 2019-12-18 | 2019-12-18 | High strength municipal administration drainage composite pipe of structure wall for blowdown |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922294013.5U CN212643799U (en) | 2019-12-18 | 2019-12-18 | High strength municipal administration drainage composite pipe of structure wall for blowdown |
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| Publication Number | Publication Date |
|---|---|
| CN212643799U true CN212643799U (en) | 2021-03-02 |
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| CN201922294013.5U Active CN212643799U (en) | 2019-12-18 | 2019-12-18 | High strength municipal administration drainage composite pipe of structure wall for blowdown |
Country Status (1)
| Country | Link |
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| CN (1) | CN212643799U (en) |
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2019
- 2019-12-18 CN CN201922294013.5U patent/CN212643799U/en active Active
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