CN213064939U

CN213064939U - Composite PE pipe

Info

Publication number: CN213064939U
Application number: CN202021833483.0U
Authority: CN
Inventors: 董化恒
Original assignee: Xinjiang Shuguang High Tech Management Co ltd
Current assignee: Xinjiang Shuguang High Tech Management Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-04-27
Anticipated expiration: 2030-08-28

Abstract

The utility model discloses a composite PE pipe in the technical field of composite PE pipes, wherein the inner side wall of a heat-insulating putty layer is fixedly provided with an anti-cracking grid cloth, the inner side wall of the anti-cracking grid cloth is fixedly provided with a reinforcing layer, the inner wall of the inner pipe of the PE pipe is coated with an anticorrosive coating, a reinforcing rib plate is spliced and assembled in the metal armor layer, the inner end of the reinforcing rib plate sequentially passes through a flame-retardant wrapping layer and a heat-insulating putty layer from outside to inside and then extends into the anti-cracking grid cloth, reinforcing ribs are uniformly arranged in the reinforcing layer along the circumferential direction, the outer side wall of each reinforcing rib is sleeved with connecting rings, and two adjacent groups of the connecting rings in the same circumferential direction are fixedly connected with connecting steel wires between the connecting rings, so that the pipe body has better tensile and crack resistance, the flexibility of the pipe body is improved, the anti-extrusion, avoid the pipeline outer wall to damage, can play the effect of buffering protection.

Description

Composite PE pipe

Technical Field

The utility model relates to a compound PE manages technical field, specifically is a compound PE pipe.

Background

PE is polyethylene plastic, the most basic plastic, plastic bags, preservative films and the like are PE, HDPE is a thermoplastic resin with high crystallinity and non-polarity, the appearance of original HDPE is milky white, and the original HDPE is semitransparent in a micro-thin section to a certain degree, PE has excellent characteristics of resisting most of domestic and industrial chemicals, and the market of municipal pipes in China, wherein a water supply pipe and a gas pipe are two largest application markets, PE materials are widely applied to the field of water supply and drainage manufacturing due to the characteristics of high strength, high temperature resistance, corrosion resistance, no toxicity, wear resistance and the like, but the existing PE pipes have low strength, can generate large impact force when water flows through the pipes, and are easy to break when the pipes are easy to break, and the outer walls of the PE pipes are not protected, and have no buffer measures when weights are impacted, the weights directly contact the outer walls of the PE pipes, so that the outer walls are easy to break and damage, to this end, we propose a composite PE pipe.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compound PE pipe to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a composite PE pipe comprises a PE pipe outer pipe, a metal armor layer is fixedly assembled on the inner side wall of the PE pipe outer pipe, a flame-retardant wrapping layer is fixedly assembled on the inner side wall of the metal armor layer, a heat-insulating putty layer is fixedly assembled on the inner side wall of the flame-retardant wrapping layer, an anti-cracking grid cloth is fixedly assembled on the inner side wall of the heat-insulating putty layer, a reinforcing layer is fixedly assembled on the inner side wall of the anti-cracking grid cloth, a PE pipe inner pipe is fixedly assembled on the inner side wall of the reinforcing layer, an anti-corrosion layer is sprayed on the inner wall of the PE pipe inner pipe, a reinforcing rib plate is spliced and assembled in the metal armor layer, the inner end of the reinforcing rib plate sequentially penetrates through the flame-retardant wrapping layer and the heat-insulating putty layer from outside to inside and extends into the anti-cracking grid cloth, reinforcing, and a connecting steel wire is fixedly connected between two adjacent groups of the connecting rings in the same circumferential direction.

Preferably, the reinforcing rib plates are uniformly arranged along the circumferential direction of the metal armor layer, a single group of reinforcing rib plates are arranged along the length direction of the PE pipe outer pipe, and the cross section of the single group of reinforcing rib plates is rectangular.

Preferably, the outer wall of the metal armor layer is sprayed with a closed primer layer, and the outer wall of the PE pipe outer pipe is sprayed with an elastic reflection heat insulation coating layer.

Preferably, the reinforcing ribs are uniformly arranged along the circumferential direction of the reinforcing layer, and a single group of the reinforcing ribs are arranged along the length direction of the PE pipe outer pipe.

Preferably, the connecting rings are sleeved on the outer wall of the reinforcing rib, and the connecting rings are uniformly arranged along the length direction of the reinforcing rib at intervals.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has reasonable structural design, the metal armor layer can improve the supporting strength of the pipe body, simultaneously can improve the wear resistance of the pipe body, avoids the risk of pipe body fracture, the flame retardance of the pipe body can be improved by the flame-retardant wrapping layer, the heat-insulating putty layer has low heat conductivity and excellent heat-insulating effect, the anti-cracking gridding cloth has better tensile resistance and crack resistance, the flexibility of the pipe body is improved, the reinforcing rib plate penetrates through the flame-retardant wrapping layer and the heat-insulating putty layer and extends into the anti-cracking gridding cloth, can improve the anti-extrusion and cushioning effects of the pipe body, the reinforcing layer can protect the inner pipe of the PE pipe, simultaneously, the reinforcing ribs are uniformly distributed in the reinforcing layers, and two adjacent groups of reinforcing ribs are fixedly connected through the connecting steel wires and the connecting rings, so that a supporting steel wire mesh can be formed, the supporting rigidity of the pipe body can be improved, the damage to the outer wall of the pipeline is avoided, and the buffering and protecting effects can be achieved.

Drawings

FIG. 1 is a schematic view of the overall horizontal cross-sectional structure of the present invention;

fig. 2 is the overall longitudinal half-section structure schematic diagram of the utility model.

In the figure: 1. a PE pipe outer pipe; 2. a metal armor layer; 3. a flame-retardant wrapping layer; 4. a heat-insulating putty layer; 5. anti-crack gridding cloth; 6. a reinforcing layer; 7. an inner pipe of a PE pipe; 8. an anticorrosive layer; 9. reinforcing rib plates; 10. reinforcing ribs; 11. a connecting ring; 12. and connecting the steel wires.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: a composite PE pipe comprises a PE pipe outer pipe 1, a metal armor layer 2 is fixedly assembled on the inner side wall of the PE pipe outer pipe 1, a flame-retardant wrapping layer 3 is fixedly assembled on the inner side wall of the metal armor layer 2, a heat-insulating putty layer 4 is fixedly assembled on the inner side wall of the flame-retardant wrapping layer 3, an anti-crack gridding cloth 5 is fixedly assembled on the inner side wall of the heat-insulating putty layer 4, a reinforcing layer 6 is fixedly assembled on the inner side wall of the anti-crack gridding cloth 5, a PE pipe inner pipe 7 is fixedly assembled on the inner side wall of the reinforcing layer 6, an anticorrosive layer 8 is sprayed on the inner wall of the PE pipe inner pipe 7, a reinforcing rib plate 9 is assembled in the metal armor layer 2, the inner end of the reinforcing rib plate 9 sequentially penetrates through the flame-retardant wrapping layer 3 and the heat-insulating putty layer 4 from outside to inside and then extends into the anti-crack, and a connecting steel wire 12 is fixedly connected between two adjacent groups of connecting rings 11 in the same circumferential direction.

Referring to fig. 1, the reinforcing rib plates 9 are uniformly arranged along the circumferential direction of the metal armor layer 2, a single group of reinforcing rib plates 9 are arranged along the length direction of the PE pipe external pipe 1, the cross section of the single group of reinforcing rib plates 9 is rectangular, and the reinforcing rib plates 9 penetrate through the flame-retardant wrapping layer 3 and the heat-insulating putty layer 4 and extend into the anti-crack grid cloth 5, so that the anti-extrusion and cushioning effects of the pipe body can be improved;

the outer wall of the metal armor layer 2 is sprayed with a closed primer layer, the outer wall of the PE pipe outer pipe 1 is sprayed with an elastic reflection heat insulation coating layer, the closed primer layer can improve the water resistance and the corrosion resistance, the elastic reflection heat insulation coating layer can reflect sunlight, the weather resistance and the ageing resistance of the coating structure are improved, and the gloss fullness can be kept for a long time outside the pipe body;

referring to fig. 1, the reinforcing ribs 10 are uniformly arranged along the circumferential direction of the reinforcing layer 6, and a single group of reinforcing ribs 10 is arranged along the length direction of the PE pipe outer tube 1;

referring to fig. 2, the connecting rings 11 are sleeved on the outer walls of the reinforcing ribs 10, the connecting rings 11 are uniformly arranged along the length direction of the reinforcing ribs 10 at intervals, and two adjacent groups of reinforcing ribs 10 are fixedly connected with the connecting rings 11 through the connecting wires 12, so that a supporting steel wire mesh can be formed, the supporting rigidity of the pipe body can be improved, the outer wall of the pipeline is prevented from being damaged, and the buffering and protecting effects can be achieved.

The working principle is as follows: the metal armor layer 2 can improve the supporting strength of the pipe body, meanwhile, the abrasion resistance of the pipe body can be improved, the risk of pipe body breakage is avoided, the flame retardance of the pipe body can be improved by the flame-retardant wrapping layer 3, the heat-preservation putty layer 4 has low heat conductivity and excellent heat-insulation and heat-preservation effects, the anti-cracking gridding cloth 5 has good tensile resistance and crack resistance, the flexibility of the pipe body is improved, the reinforcing rib plates 9 penetrate through the flame-retardant wrapping layer 3 and the heat-preservation putty layer 4 and extend into the anti-cracking gridding cloth 5, the anti-extrusion and shock-buffering effects of the pipe body can be improved, the reinforcing layer 6 can provide protection for the inner pipe 7 of the PE pipe, the anti-corrosion effect of the inner pipe 7 of the PE pipe can be improved by the anti-corrosion layer 8, meanwhile, the reinforcing ribs 10 are uniformly distributed in the reinforcing layer 6, two adjacent groups, avoid the pipeline outer wall to damage, can play the effect of buffering protection.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a compound PE pipe, includes PE outer tube (1), its characterized in that: the inner side wall of the PE pipe outer pipe (1) is fixedly provided with a metal armor layer (2), the inner side wall of the metal armor layer (2) is fixedly provided with a flame-retardant wrapping layer (3), the inner side wall of the flame-retardant wrapping layer (3) is fixedly provided with a heat-insulating putty layer (4), the inner side wall of the heat-insulating putty layer (4) is fixedly provided with an anti-crack gridding cloth (5), the inner side wall of the anti-crack gridding cloth (5) is fixedly provided with a reinforcing layer (6), the inner side wall of the reinforcing layer (6) is fixedly provided with a PE pipe inner pipe (7), the inner wall of the PE pipe inner pipe (7) is coated with an anticorrosive coating (8), a reinforcing rib plate (9) is inserted and assembled in the metal armor layer (2), and the inner end of the reinforcing rib plate (9) sequentially penetrates through the flame-retardant wrapping layer (3) and the heat-insulating putty layer (4) from, reinforcing ribs (10) are uniformly arranged in the reinforcing layer (6) along the circumferential direction, connecting rings (11) are sleeved on the outer side wall of each reinforcing rib (10), and two adjacent groups in the same circumferential direction are fixedly connected with connecting steel wires (12) between the connecting rings (11).

2. The composite PE pipe of claim 1, wherein: the reinforcing rib plates (9) are uniformly arranged along the circumferential direction of the metal armor layer (2), a single group of reinforcing rib plates (9) are arranged along the length direction of the PE pipe outer pipe (1), and the cross section of the single group of reinforcing rib plates (9) is rectangular.

3. The composite PE pipe of claim 1, wherein: the outer wall spraying of metal armor layer (2) has closed primer layer, just the spraying has elastic reflection heat insulating coating layer on the outer wall of PE pipe outer tube (1).

4. The composite PE pipe of claim 1, wherein: the reinforcing ribs (10) are uniformly arranged along the circumferential direction of the reinforcing layer (6), and a single group of reinforcing ribs (10) are arranged along the length direction of the PE pipe outer pipe (1).

5. The composite PE pipe according to claim 4, wherein: the connecting rings (11) are sleeved on the outer wall of the reinforcing rib (10), and the connecting rings (11) are uniformly arranged along the length direction of the reinforcing rib (10) at intervals.