CN212480400U

CN212480400U - HDPE-PP composite winding reinforced pipe

Info

Publication number: CN212480400U
Application number: CN202021187875.4U
Authority: CN
Inventors: 彭轩
Original assignee: Ji'an Ganxin Pipe Industry Co ltd
Current assignee: Ji'an Ganxin Pipe Industry Co ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2021-02-05
Anticipated expiration: 2030-06-23

Abstract

The utility model discloses a HOPE-PP compound winding reinforcing pipe, concretely relates to pipeline technical field, including the pipeline body, the pipeline body includes the high density polyethylene table, high density polyethylene table bottom fixed connection wearing layer, and the wearing layer bottom is equipped with the steel wire net bone, steel wire net bone bottom fixed connection wearing layer, and the wearing layer bottom is equipped with the high density polyethylene pipe, and high density polyethylene socle portion is equipped with anticorrosive, anticorrosive bottom fixed connection polypropylene winding pipe, high density polyethylene table fixed connection polypropylene winding pipe, the utility model discloses a wire net skeleton is inside and outside to wrap up wearing layer one and wearing layer two, and the wire net skeleton passes through high density polyethylene epidermis and high density polyethylene pipe wall and fuses into tubular product, at high density polyethylene pipe wall bottom hot melt adhesion anticorrosive coating to solve the problem of the high pressure resistance and tubular product corruption.

Description

HDPE-PP composite winding reinforced pipe

Technical Field

The utility model relates to the field of pipelines, concretely relates to HDPE-PP compound winding reinforcing pipe.

Background

At present, along with the continuous promotion of urban and rural integrated processes and the rapid development of urban economy, a stricter standard is also provided for drainage and sewage network construction of urban infrastructure parts, urban drainage pipe network construction is one of the important work points of modern urban engineering construction, the construction and management of the whole urban drainage pipe network are mainly planned by a water system to improve the urban drainage capacity, and a good living environment is created for people in the whole city.

The prior art has the following defects: the existing pressure pipelines are generally made of polyethylene materials, and due to poor pressure resistance of polyethylene, the existing pressure pipelines are not beneficial to buried transportation and installation under corrosive environment conditions in the pipelines.

Therefore, the invention is necessary to invent the HDPE-PP composite winding reinforced pipe.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides a HDPE-PP compound winding reinforcing pipe, through inside and outside parcel wearing layer one and wearing layer two of wire net skeleton, wire net skeleton passes through high density polyethylene epidermis and high density polyethylene pipe wall and welds into tubular product, at high density polyethylene pipe wall bottom hot melt adhesion anticorrosive coating to solve the problem that the compressive resistance is strong and tubular product corrodes.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: the utility model provides a HDPE-PP compound winding reinforcing pipe, includes the pipeline body, the pipeline body includes the high density polyethylene epidermis, high density polyethylene epidermis bottom fixed connection wearing layer one, wearing layer one bottom is equipped with the steel wire net skeleton, steel wire net skeleton bottom fixed connection wearing layer two, two bottoms of wearing layer are equipped with high density polyethylene pipe wall, high density polyethylene pipe wall bottom is equipped with the anticorrosive coating, anticorrosive coating bottom fixed connection polypropylene winding pipe one, high density polyethylene epidermis fixed connection polypropylene winding pipe two.

Preferably, the inside expansion joint that is equipped with of pipeline body, the expansion joint includes the bellows, the bellows left and right sides is equipped with the water conservancy diversion valve, water conservancy diversion valve top swivelling joint hob, the hob both ends swivelling joint nut.

Preferably, the pipeline body is provided with a flange at the joint, the flange comprises a connecting port, and the top of the connecting port is provided with a mounting block.

Preferably, the steel wire mesh framework is provided with three strands of spiral steel wires, and the steel wire mesh framework is wrapped with the high-density polyethylene pipe walls in parallel.

Preferably, the inner walls of the first polypropylene winding pipe and the second polypropylene winding pipe are provided with connecting blocks.

Preferably, the bottom of the anticorrosive layer is fixedly connected with the anti-pressing strip.

The embodiment of the utility model provides a have following advantage:

1. the steel wire mesh framework is welded into a pipe through a high-density polyethylene skin and a high-density polyethylene pipe wall, and an expansion joint is added into a pipeline body needing bearing;

2. the corrosion resistance is realized, the polypropylene winding pipe is spirally wound on the surface of the high-density polyethylene surface, and the bottom of the high-density polyethylene pipe wall is thermally adhered with the anticorrosive coating.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a schematic plane view of a pipeline body according to embodiment 1 of the present invention;

fig. 2 is a structural view of a pipe body in embodiment 1 of the present invention;

fig. 3 is a schematic structural view of an expansion joint of embodiment 1 of the present invention;

fig. 4 is a schematic structural view of a flange according to embodiment 1 of the present invention;

fig. 5 is a schematic structural view of the compression-resistant strip of embodiment 2 of the present invention.

In the figure: 100 pipeline bodies, 110 high-density polyethylene skins, 120 wear-resistant layer I, 130 steel wire mesh frameworks, 140 wear-resistant layer II, 150 high-density polyethylene pipe walls, 160 corrosion-resistant layers, 170 polypropylene winding pipe I, 175 compression-resistant strips, 180 polypropylene winding pipe II, 190 connecting blocks, 200 expansion joints, 210 corrugated pipes, 220 spiral rods, 230 nuts, 240 diversion valves, 300 flanges, 310 connecting ports, 320 mounting blocks, a sealing ring and a sealing ring,

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1:

referring to fig. 1 to 4 of the specification, the HDPE-PP composite winding reinforced pipe of this embodiment includes a pipe body 100, specifically, the pipe body 100 includes a high-density polyethylene skin 110, a first wear-resistant layer 120, a steel wire mesh framework 130, a second wear-resistant layer 140, a high-density polyethylene pipe wall 150, an anti-corrosion layer 160, a first polypropylene winding pipe 170, a compression-resistant strip 175, a second polypropylene winding pipe 180, and a connecting block 190, the pipe body 100 includes the high-density polyethylene skin 110, the bottom of the high-density polyethylene skin 110 is fixedly connected with the first wear-resistant layer 120, the bottom of the first wear-resistant layer 120 is provided with the steel wire mesh framework 130, the bottom of the steel wire mesh framework 130 is fixedly connected with the second wear-resistant layer 140, the bottom of the second wear-resistant layer 140 is provided with the high-density polyethylene pipe wall 150, the bottom of the high-density polyethylene pipe wall 150 is provided with the anti-corrosion layer 160, the, the high-density polyethylene skin 110 is fixedly connected with a polypropylene winding pipe II 180, the high-density polyethylene is HDPE for short, the HDPE is white powder or granular product, is nontoxic and odorless, has the crystallinity of 80-90 percent, the softening point of 125-l 35 ℃, the use temperature of 100 ℃, the hardness, the tensile strength and the creep property superior to those of low-density polyethylene, has better wear resistance, electrical insulation property, toughness and cold resistance, good chemical stability, is insoluble in any organic solvent at room temperature, resists the corrosion of acid, alkali and various salts, has small permeability of a film to water vapor and air, has low water absorption, the high-density polyethylene skin 110 and the high-density polyethylene pipe wall 150 have acid and alkali resistance, organic solvent resistance and excellent electrical insulation property, the polypropylene is PP for short, is a colorless, odorless, nontoxic and semitransparent solid substance, and is thermoplastic synthetic resin with excellent property, the plastic is colorless and semitransparent thermoplastic light general plastic, in the PP forming process, fillers such as silicate, calcium carbonate, silicon dioxide, cellulose, glass fiber and the like are filled in the polymer, the PP has chemical resistance, heat resistance, electrical insulation, high-strength mechanical property and good high-wear-resistance processing property, the elastic modulus of the steel wire mesh framework 130 is about 200 times of that of high-density polyethylene generally, the rigidity, impact resistance and size stability of the steel wire mesh framework polyethylene composite pipe are superior to those of any pure plastic pipe due to the reinforcing effect of the steel wire mesh framework, the steel wire mesh framework 130 is more economical and convenient for buried transportation and corrosive environment conditions, and has the obvious effects of corrosion resistance, wear resistance, smooth inner wall, small transportation resistance, no scaling, no wax deposition and energy conservation;

further, an expansion joint 200 is arranged in the pipeline body 100, the expansion joint 200 comprises a corrugated pipe 210, guide valves 240 are arranged on the left side and the right side of the corrugated pipe 210, the top of each guide valve 240 is rotatably connected with a screw rod 220, two ends of each screw rod 220 are rotatably connected with nuts 230, specifically, the expansion joint 200 refers to a flexible element which can effectively compensate axial deformation, the expansion joint welded on the shell of the fixed tube-plate heat exchanger has large axial flexibility and is easy to deform, can compensate thermal expansion difference generated by different wall temperatures of the tube and the shell, and reduces axial loads of the tube and the shell, so that temperature difference stress of the tube, the tube plate and the shell is reduced, strength damage, instability damage and tube pull-out damage are avoided, and size change generated by thermal expansion and cold contraction of the pipeline, the conduit, the container and the like is absorbed by effective telescopic deformation of the corrugated pipe of the working body, or compensating axial, transverse and angular displacement of pipelines, conduits, containers and the like, and also can be used for noise reduction and vibration reduction, a compensator is arranged on the pipeline to compensate thermal elongation of the pipeline, reduce stress of the pipeline wall and acting force acting on a valve member or a bracket structure, and has the function of preventing the pipeline from deforming or damaging due to heating thermal elongation or temperature stress of the heat supply pipeline;

further, a flange 300 is arranged at the joint of the pipeline body 100, the flange 300 comprises a connecting port 310, a mounting block 320 is arranged at the top of the connecting port 310, and specifically, the flange 300 has the function of connecting a pipeline;

further, the steel wire mesh framework 130 is provided with three strands of spiral steel wires, the steel wire mesh framework 130 is wrapped with the high-density polyethylene pipe wall 150 in parallel, and particularly, the steel wire mesh framework 130 can effectively restrain the creep deformation effect of HDPE;

further, the inner walls of the first polypropylene winding pipe 170 and the second polypropylene winding pipe 180 are provided with the connecting block 190, and particularly, the connecting block 190 has an adhesion effect.

The implementation scenario is specifically as follows: use the utility model discloses the time staff of this area needs to wrap up wearing layer one 120 and wearing layer two 140 with wire mesh skeleton 130 inside and outside, wire mesh skeleton 130 is through high density polyethylene epidermis 110 and high density polyethylene pipe wall 150 butt fusion one-tenth tubular product, at high density polyethylene pipe wall 150 bottom hot melt adhesion anticorrosive coating 160, connecting block 190 is installed at high density polyethylene epidermis 110, connecting block 190 surface mounting polypropylene twines pipe two 180, connecting block 190 is installing at high density polyethylene pipe wall 150, connecting block 190 surface mounting polypropylene twines pipe one 170, the effect that has the increase compressive resistance, add expansion joint 200 in the pipeline body 100 that needs the bearing afterwards, at pipeline body 100 junction mounting flange 300.

Example 2:

referring to the specification and the attached fig. 5, the HDPE-PP composite winding reinforced pipe of the embodiment further comprises a compression resistant strip 175;

further, the bottom of the anticorrosive layer 160 is fixedly connected with an anti-pressure strip 175, and specifically, the anti-pressure strip 175 has the functions of pressure resistance and flow guidance when the water flow is large.

The implementation scenario is specifically as follows: in the use of the present invention, workers in the field need to replace the first polypropylene winding pipe 170 formed by winding with the anti-pressure strip 175 on a hot melt winding machine.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. An HDPE-PP composite winding reinforced pipe comprises a pipe body (100), and is characterized in that: the pipeline body (100) comprises a high-density polyethylene skin (110), a first fixed connection wear-resistant layer (120) is arranged at the bottom of the high-density polyethylene skin (110), a steel wire mesh framework (130) is arranged at the bottom of the first wear-resistant layer (120), a second fixed connection wear-resistant layer (140) is arranged at the bottom of the steel wire mesh framework (130), a high-density polyethylene pipe wall (150) is arranged at the bottom of the second wear-resistant layer (140), an anticorrosive layer (160) is arranged at the bottom of the high-density polyethylene pipe wall (150), a first fixed connection polypropylene winding pipe (170) is arranged at the bottom of the anticorrosive layer (160), and a second fixed connection polypropylene winding pipe (180) is arranged at the bottom of the high-density polyethylene skin.

2. The HDPE-PP composite winding reinforced pipe of claim 1, wherein: the pipeline body (100) is inside to be equipped with expansion joint (200), expansion joint (200) are including bellows (210), the bellows (210) left and right sides is equipped with water conservancy diversion valve (240), water conservancy diversion valve (240) top swivelling joint hob (220), hob (220) both ends swivelling joint nut (230).

3. The HDPE-PP composite winding reinforced pipe of claim 1, wherein: the pipeline body (100) junction is equipped with flange (300), flange (300) include connector (310), connector (310) top is equipped with installation piece (320).

4. The HDPE-PP composite winding reinforced pipe of claim 1, wherein: the steel wire mesh framework (130) is provided with three strands of spiral steel wires, and the steel wire mesh framework (130) is wrapped with the high-density polyethylene pipe wall (150) in parallel.

5. The HDPE-PP composite winding reinforced pipe of claim 1, wherein: and the inner walls of the first polypropylene winding pipe (170) and the second polypropylene winding pipe (180) are provided with connecting blocks (190).

6. The HDPE-PP composite winding reinforced pipe of claim 2, wherein: the bottom of the anticorrosive layer (160) is fixedly connected with an anti-pressing strip (175).