CN211779449U - Multilayer reinforced composite pressure pipe - Google Patents
Multilayer reinforced composite pressure pipe Download PDFInfo
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- CN211779449U CN211779449U CN202020229756.4U CN202020229756U CN211779449U CN 211779449 U CN211779449 U CN 211779449U CN 202020229756 U CN202020229756 U CN 202020229756U CN 211779449 U CN211779449 U CN 211779449U
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Abstract
The utility model discloses a compound pressure pipe of multilayer reinforcing is equipped with bellmouth and socket respectively at the both ends mouth of pressure pipe, including inlayer, enhancement layer, skin, hoop enhancement layer and sealing washer, the enhancement layer sets up two-layerly at least, arranges in between inlayer and the skin, and on the hoop enhancement layer was arranged in the skin, on the inner wall of bellmouth was arranged in to the sealing washer, the hoop enhancement layer was by a plurality of equidistant, the high omega type O shape of waiting constitute, adopts spiral winding structure, and its spiral is revolved the winding interval and is 80 ~ 400mm, highly is 25 ~ 120 mm. The utility model discloses have that structural design is reasonable, light in weight, corrosion-resistant, connect reliable, comprehensive sexual valence relative altitude, installation convenient to use, difficult production leak, long service life's a compound pressure pipe of multilayer reinforcing.
Description
Technical Field
The utility model relates to a polyethylene pipe, concretely relates to compound pressure pipe of multilayer reinforcing, mainly used wear-resisting, corrosion-resistant, shock resistance, the coefficient of friction is little, bearing capacity is good, heavy-calibre long distance pipe network raceway.
Background
In the prior art, a large-caliber water conveying pipeline is mainly conveyed through an open channel or a pipeline, wherein the pipeline is mainly conveyed by using a prestressed concrete pipe, a nodular cast iron pipe, a steel pipe and the like. The prestressed concrete pipe is easy to generate secondary pollution and has heavy weight; the ductile cast iron pipe and the steel pipe have strong pressure resistance, but poor corrosion resistance and wear resistance; because the length of the traditional large-caliber pipe is only 1.5-3 meters, the joints have the defects of poor soil settlement resistance, easy leakage, high pipeline cost, high installation difficulty, more joint problems and the like. In view of the above circumstances, the development of the multilayer reinforced composite pressure pipe which can adapt to various complex terrains and environmental conditions, has the advantages of impact resistance, corrosion resistance, light weight, large conveying capacity and flexible and convenient disassembly has very positive social and economic significance.
Disclosure of Invention
The utility model aims to overcome the not enough of current heavy-calibre conduit project organization, provide "a compound pressure pipe of multilayer reinforcing". The pressure pipe has the advantages of reasonable structural design, corrosion resistance, reliable connection, high comprehensive cost performance and difficult leakage in a long-distance water conveying pipe network, and is a multilayer reinforced composite pressure pipe which is suitable for large-caliber water conveying pipelines and has long service life.
In order to achieve the above purpose, the present invention is realized by the following technical solutions: a multi-layer reinforced composite pressure pipe is characterized in that two ports of the pressure pipe are respectively provided with a socket 1 and a socket 2, and the multi-layer reinforced composite pressure pipe comprises an inner layer 3, a reinforcing layer 4, an outer layer 5, a circumferential reinforcing layer 6 and a sealing ring 7.
The enhancement layer 4 is at least provided with two layers and is arranged between the inner layer 3 and the outer layer 5, the annular enhancement layer 6 is arranged on the outer layer 5, and the sealing ring 7 is arranged on the inner wall of the bellmouth 1.
The reinforcing layer 4 is provided as a metal reinforcing layer or a fiber reinforcing layer.
The enhancement layer 4 and the axial lead of the pressure pipe form an angle of 50-60 degrees, are of a cross winding structure, consist of a right spiral winding layer and a left spiral winding layer, and are thermally welded with the inner layer 3 and the outer layer 5 into a whole by resin adhesive.
The fiber reinforced layer is a pretreated fiber (glass fiber, polyester fiber and the like) wire/belt, an angle of 50-60 degrees is formed between the fiber reinforced layer and the axial line of the pressure pipe, composite resin glue is extruded respectively when the fiber wire/belt is spirally wound left and right, and the thickness of a glue layer is 0.2-0.5 mm.
The inner layer 3 and the outer layer 5 are made of PE (polyethylene) or PVC (polyvinyl chloride), and are polyethylene tapes with the thickness of 4-12 mm and the width of 50-200 mm and adopt a rotary winding structure.
The hoop reinforcement layer 6 is composed of a plurality of omega-shaped/O-shaped bulges with equal intervals and equal heights, a spiral winding structure is adopted, the spiral winding interval is 80-400 mm, and the height is 25-120 mm.
The annular enhancement layer 6 is molded into a Ω -shaped/O-shaped shape by a mold, and the material used is PE polyethylene or PP polypropylene.
The connection parts of the bell mouth 1 and the socket 2 and the two ends of the pressure pipe are provided with annular heating elements.
The utility model discloses compare with current compound tubular product structure and have following advantage:
1. the utility model has the advantages of structural design is reasonable, corrosion-resistant, connect reliable, comprehensive sexual valence relative altitude, be difficult for producing the leakage in long distance raceway network, be one kind and be applicable to heavy-calibre raceway line, long service life's compound pressure pipe of multilayer reinforcing.
2. Because the inner layer 3 and the outer layer 5 are made of PE or PVC materials, the pipeline has the advantages of light weight, good flexibility, less joints, length of 6-12 m and small friction coefficient of the inner wall of the pipeline, can improve the flow velocity of a conveying medium, and achieves the purposes of saving energy and reducing consumption.
3. Because the enhancement layer 4 and the axial lead of the pressure pipe form an angle of 50-60 degrees, the cross winding structure is formed by left and right spiral winding, and the enhancement layer and the pressure pipe are thermally welded into a whole by adopting special resin glue with the inner layer 3 and the outer layer 5 to form a stable mechanical structure, the radial and axial mechanical strength of the pipeline can be improved, the environmental stress cracking resistance is good, and the corrosion resistance is good.
4. Because the annular enhancement layer 6 is formed by a plurality of isometric and isometric omega-shaped/O-shaped bulges, the annular stiffness of the pipe is effectively improved by adopting a spiral winding structure, and the soil settlement resistance is further enhanced.
5. Because the inner wall of the bell mouth 1 is provided with a plurality of sealing rings 7 and the socket depth is long, the sealing performance of the interface is effectively improved, and the defect of pipe network leakage is overcome.
6. Because the annular heating elements are arranged at the connecting parts of the bellmouth 1 and the spigot 2 and the two ends of the pressure pipe, the bellmouth 1 and the spigot 2 are welded with the pressure pipe into a whole by heating, the welding strength of the pipe and the bellmouth and the spigot is further improved, and the integral reliability of the pipe is improved.
Drawings
Fig. 1 is a schematic sectional structure diagram of the present invention.
In the figure: 1. the socket comprises a socket, 2. a socket, 3. an inner layer, 4. a reinforcing layer, 5. an outer layer, 6. a circumferential reinforcing layer and 7. a sealing ring.
Detailed Description
The invention will be further elucidated below by means of non-limiting examples, with the understanding that the invention is not limited thereto.
Designing the size of the pipe diameter according to the user requirement and the using environment, determining the material of the enhancement layer, the number of winding layers, the height of the omega/O-shaped protrusion of the annular enhancement layer and the spiral winding distance, and designing and manufacturing various types of pipes with the caliber of 630-2600 mm and the nominal pressure of less than or equal to 1.0 MPa.
Examples
The utility model discloses as shown in fig. 1, this structure is equipped with bellmouth 1 and socket 2 respectively at the both ends mouth of pressure pipe, including inlayer 3, enhancement layer 4, skin 5, hoop enhancement layer 6 and sealing washer 7.
The enhancement layer 4 is at least provided with two layers and is arranged between the inner layer 3 and the outer layer 5, the annular enhancement layer 6 is arranged on the outer layer 5, and the sealing ring 7 is arranged on the inner wall of the bellmouth 1.
DN1000 and 1.0Mpa pressure multilayer reinforced composite pressure pipe are designed and manufactured, and the specific operation steps and design parameters are as follows:
1. connecting two ends of a sizing cylinder (mould) with a socket and a spigot respectively;
2. extruding a polyethylene belt, wherein the width of the polyethylene belt is 120mm, the thickness of the polyethylene belt is 6mm, the polyethylene belt is wound on a socket, a sizing cylinder and a socket in a rotating mode, the winding thickness is 12mm, and the winding surface is heated while winding to form an inner pipe (an inner layer 3);
3. the steel belt which is preimpregnated by resin is 60mm wide and 1.5mm thick, and is spirally wound by a winding machine at an angle of 54 degrees left and right to form a composite pressure pipe reinforcing layer 4.
4. Extruding special resin (0.3 mm thick) by an extruder, and thermally welding the special resin with the inner layer 3 into a whole to fix the reinforcing layer 4;
5. extruding a polyethylene tape with a tape width of 120mm and a thickness of 6mm, winding the polyethylene tape on the reinforcing layer 4 in a rotating manner, and winding the polyethylene tape
Meanwhile, the winding surface is heated, and the thickness of the winding layer is 6 mm;
6. the prefabricated O-shaped polyethylene pipe is spirally wound on the outer surface of the pipe material through preheating to form an annular reinforcing layer 6, wherein the spiral distance is 120mm, and the O-shaped height is 70 mm;
7. carry out the ohmic heating to the heating element who buries in bellmouth 1 and socket 2, make bellmouth 1 and socket 2 and tubular product better butt fusion as an organic whole, produce the utility model discloses compound pressure pipe of multilayer reinforcing.
Through detection:
1. the pipeline is free from damage and leakage after pressure test.
2. The burst pressure of the pipeline is more than 3.0 MPa.
To sum up, the utility model has the advantages of reasonable design, light in weight, corrosion-resistant, connect reliable, comprehensive sexual valence relative altitude, installation convenient to use, be difficult for producing the compound pressure pipe of multilayer reinforcing that leaks, long service life.
Claims (6)
1. The utility model provides a compound pressure pipe of multilayer reinforcing, its characterized in that is equipped with bellmouth (1) and socket (2) respectively at the both ends mouth of pressure pipe, including inlayer (3), enhancement layer (4), skin (5), hoop enhancement layer (6) and sealing washer (7), enhancement layer (4) set up two-layerly at least, arrange in between inlayer (3) and skin (5), on outer layer (5) were arranged in hoop enhancement layer (6), on the inner wall of bellmouth (1) was arranged in to sealing washer (7).
2. A multilayer reinforced composite pressure pipe as claimed in claim 1, characterized in that the reinforcement layer (4) is provided as a metal reinforcement layer or a fiber reinforcement layer.
3. The multilayer reinforced composite pressure pipe as claimed in claim 1, wherein the inner layer (3) and the outer layer (5) are made of PE polyethylene or PVC polyvinyl chloride, and the polyethylene tape with thickness of 4-12 mm and width of 50-200 mm is in a rotary winding structure.
4. A multilayer reinforced composite pressure pipe according to claim 1,
the annular enhancement layer (6) is composed of a plurality of omega-shaped or O-shaped bulges with equal intervals and equal heights, a spiral winding structure is adopted, the spiral winding interval is 80-400 mm, and the height is 25-120 mm.
5. The multilayer reinforced composite pressure pipe as claimed in claim 1, wherein the hoop reinforcement layer (6) is Ω -shaped or O-shaped formed by molding, and the material used is PE polyethylene or PP polypropylene.
6. A multilayer reinforced composite pressure pipe as claimed in claim 1, characterized in that annular heating elements are provided at the connection points of the socket (1) and the socket (2) to the pressure pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020229756.4U CN211779449U (en) | 2020-02-29 | 2020-02-29 | Multilayer reinforced composite pressure pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020229756.4U CN211779449U (en) | 2020-02-29 | 2020-02-29 | Multilayer reinforced composite pressure pipe |
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| Publication Number | Publication Date |
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| CN211779449U true CN211779449U (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020229756.4U Active CN211779449U (en) | 2020-02-29 | 2020-02-29 | Multilayer reinforced composite pressure pipe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113028159A (en) * | 2021-04-13 | 2021-06-25 | 安徽韵通塑业科技有限公司 | High-density polyethylene winding structure wall pipe and preparation process thereof |
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2020
- 2020-02-29 CN CN202020229756.4U patent/CN211779449U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113028159A (en) * | 2021-04-13 | 2021-06-25 | 安徽韵通塑业科技有限公司 | High-density polyethylene winding structure wall pipe and preparation process thereof |
| CN113028159B (en) * | 2021-04-13 | 2023-08-15 | 安徽韵通塑业科技有限公司 | High-density polyethylene winding structure wall pipe and preparation process thereof |
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