CN210397967U - HDPE reinforced hollow winding flat-wall pipe - Google Patents

Abstract

The utility model discloses a HDPE reinforced hollow winding flat-wall pipe, which comprises an outer pipe and a reinforced fiber heat shrinkage sleeve; outer tube: the outer pipe is a HDPE corrugated pipe, an oxidation resistant layer is arranged on the inner side surface of the outer pipe, an over-molded steel wire mesh pipe is arranged on the inner side surface of the oxidation resistant layer, the inner side surface of the over-molded steel wire mesh pipe is connected with the inner pipe through a reinforcing rib, and the outer pipe is provided with two sections; reinforcing fiber heat shrinkage sleeve: the reinforced fiber heat shrinkable sleeve is arranged on the outer sides of the corresponding ends of the two sections of outer pipes, the two sections of outer pipes are connected through the adapting pipe, the sealing ring is arranged between the two sections of outer pipes, and the HDPE reinforced hollow winding flat-wall pipe has the following advantages: by adopting the hollow I-shaped structure, the production cost can be reduced, the use requirement of high strength can be met, the fire resistance and the oxidation resistance are improved, the corrosion resistance is realized, and the service life is prolonged.

Description

HDPE reinforced hollow winding flat-wall pipe

Technical Field

The utility model relates to a flat-wall pipe technical field specifically is a HDPE reinforcing cavity winding flat-wall pipe.

Background

The corrugated pipe is a novel pipe with an outer wall of an annular structure and a smooth inner wall, the winding corrugated pipe is a pipe with unlimited length obtained in a continuous winding mode, and is a novel light pipe which mainly uses high-density polyethylene (HDPE) as a raw material, the outer wall is of an annular corrugated structure, and the annular rigidity of the pipe is greatly enhanced, so that the resistance of the pipe to soil load is enhanced, and the corrugated pipe has the characteristics of light weight, high pressure resistance, good toughness, quick construction and the like, and is applied to replace concrete pipes and cast iron pipes.

However, due to the limitation of material performance, at present, the outer wall and the inner wall of the winding corrugated pipe are both made of PE material, the price of the PE material is high, although the winding corrugated pipe made of the full PE material can obtain good performance, the production cost is high, and in some occasions requiring high strength, the full PE pipe cannot meet the requirement of high strength.

And because sewage, waste water and chemicals circulate in the pipe for a long time, and the pipe is in a humid environment for a long time, the inner wall of the pipe body is easy to corrode, and the fire resistance and the oxidation resistance of some existing winding flat wall pipes are not ideal, so that the service life of the winding flat wall pipe is shortened.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a HDPE reinforcing cavity winding plain wall pipe, adopt cavity I shape structure, can reduction in production cost, can satisfy the operation requirement of high strength to improve refractiveness and oxidation resistance, can be corrosion-resistant, the problem in the background art can effectively be solved to the increase of service life.

In order to achieve the above object, the utility model provides a following technical scheme: an HDPE reinforced hollow winding flat-wall pipe comprises an outer pipe and a reinforcing fiber heat shrinkage sleeve;

outer tube: the outer pipe is a HDPE corrugated pipe, an oxidation resistant layer is arranged on the inner side surface of the outer pipe, an over-molded steel wire mesh pipe is arranged on the inner side surface of the oxidation resistant layer, the inner side surface of the over-molded steel wire mesh pipe is connected with the inner pipe through a reinforcing rib, and the outer pipe is provided with two sections;

reinforcing fiber heat shrinkage sleeve: the reinforced fiber heat shrinkage sleeve is arranged on the outer side of the corresponding end parts of the two sections of outer pipes, the two sections of outer pipes are connected through the adapting pipe, and a sealing ring is arranged between the two sections of outer pipes.

Further, the antioxidation layer comprises a polyurethane rubber tube and an antioxidant, the antioxidant is sprayed on the polyurethane rubber tube, and the polyurethane rubber tube is bonded with the outer tube through a high-strength adhesive.

Further, a heat insulation layer is arranged between the plastic-coated steel wire mesh pipe and the oxidation resistant layer and comprises high-aluminum type aluminum silicate fibers and aerogel felts, the high-aluminum type aluminum silicate fibers are laid on the aerogel felts, and the aerogel felts wrap the plastic-coated steel wire mesh pipe and are bonded with the polyurethane rubber pipe through high-strength bonding agents.

Furthermore, the reinforcing ribs are I-shaped and are arranged in an array manner, and the reinforcing ribs are connected with the plastic coated steel wire mesh pipe on the outer pipe through a high-strength adhesive.

Compared with the prior art, the beneficial effects of the utility model are that: this HDPE strengthens hollow winding plain-wall pipe, has following benefit: by adopting the hollow I-shaped structure, the production cost can be reduced, the use requirement of high strength can be met, the fire resistance and the oxidation resistance are improved, the corrosion resistance is realized, and the service life is prolonged.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is an enlarged view of part A of the present invention;

FIG. 4 is a schematic view of the anti-oxidation layer of the present invention;

fig. 5 is a schematic view of the thermal insulation layer of the present invention.

In the figure: 1 inner tube, 2 reinforcing ribs, 3 outer tubes, 4 reinforcing fiber heat-shrinkable sleeves, 5 overmoulded steel wire mesh tubes, 6 oxidation-resistant layers, 61 polyurethane rubber tubes, 62 antioxidants, 7 bearing tubes, 8 heat-insulating layers, 81 high-aluminum type aluminum silicate fibers, 82 aerogel felts and 9 sealing rings.

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. 1-5, the present invention provides a technical solution: an HDPE reinforced hollow winding flat-wall pipe comprises an outer pipe 3 and a reinforcing fiber heat-shrinkable sleeve 4;

an outer tube 3: the outer pipe 3 is an HDPE corrugated pipe, the strength can be improved, the impact resistance is good, the service life is prolonged, the inner side surface of the outer pipe 3 is provided with an oxidation resistant layer 6, the inner side surface of the oxidation resistant layer 6 is provided with a plastic-coated steel wire mesh pipe 5, the inner side surface of the plastic-coated steel wire mesh pipe 5 is connected with the inner pipe 1 through a reinforcing rib 2, the inner pipe 1 is made of high-strength HDPE, the corrosion resistance is good, the inner pipe is not corroded by sewage, waste water, chemicals and rotten substances in soil, the inner wall of the inner pipe 1 is smooth, the flow resistance;

reinforcing fiber heat shrinkage sleeve: the reinforced fiber heat shrinkable sleeve 4 is installed on the outer side of the corresponding end parts of the two sections of outer pipes 3, the two sections of outer pipes 3 are connected through the adapting pipe 7, the adapting pipe 7 is convenient for connecting the two sections of outer pipes 3, the connection is convenient, the engineering progress is effectively accelerated, the engineering time and cost are shortened, the installation is facilitated, a sealing ring 9 is arranged between the two sections of outer pipes 3, the sealing ring 9 can increase the sealing performance and prevent the leakage during the use, the reinforced fiber heat shrinkable sleeve 4 can wrap the adapting pipe 7, the connection strength can be increased, the sealing performance is improved, the joint is free from leakage, and the secondary pollution is avoided.

The antioxidation layer 6 comprises a polyurethane rubber tube 61 and an antioxidant 62, the antioxidant 62 is sprayed on the polyurethane rubber tube 61, the polyurethane rubber tube 61 is bonded with the outer tube 3 through a high-strength adhesive, and the polyurethane has excellent oil resistance, solvent resistance, water resistance and fire resistance, improves the oxidation resistance and prolongs the service life.

The heat insulation layer 8 comprises high-aluminum type aluminum silicate fibers 81 and an aerogel felt 82, the high-aluminum type aluminum silicate fibers 81 are laid on the aerogel felt 82, the aerogel felt 82 wraps the over-plastic steel wire mesh pipe 5 and is bonded with the polyurethane rubber pipe 61 through a high-strength adhesive, and the high-aluminum type aluminum silicate fibers 81 and the aerogel felt 82 can improve fire resistance and prolong service life.

The reinforcing ribs 2 are I-shaped and are arranged in an array distribution mode, the reinforcing ribs 2 are connected with the plastic-coated steel wire mesh pipe 5 through the high-strength adhesive on the outer pipe 3, and the hollow I-shaped structure is excellent in ring stiffness and good in strength and toughness.

When in use: the outer pipe 3 is an HDPE corrugated pipe, the strength can be improved, the impact resistance is good, the inner pipe 1 is made of high-strength HDPE, the corrosion resistance is good, the inner pipe is not corroded by sewage, waste water, chemicals and rotten substances in soil, the inner wall of the inner pipe 1 is smooth, and the flow resistance is small;

the over-molded steel wire mesh pipe 5 can improve the structural strength, the adapting pipe 7 is convenient for connecting the two sections of the outer pipes 3, the connection is convenient, the engineering progress is effectively accelerated, the engineering time and the cost are shortened, the installation is convenient, the sealing performance can be improved by the sealing ring 9, the leakage in use is prevented, the adapting pipe 7 can be wrapped by the reinforced fiber heat shrinkage sleeve 4, the connection strength can be improved, the sealing performance is improved, the joint is free from leakage, and the secondary pollution is avoided;

the polyurethane rubber tube 61 is bonded with the outer tube 3 through a high-strength adhesive, so that the polyurethane rubber tube has excellent oil resistance, solvent resistance, water resistance and fire resistance, the oxidation resistance is improved, and the service life is prolonged;

the reinforcing rib 2 is in an I-shaped, hollow I-shaped structure, has excellent ring stiffness and good strength and toughness, can reduce the use of materials and reduce the production cost;

the high alumina type alumina silicate fiber 81 and the aerogel blanket 82 can improve fire resistance and prolong service life.

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 (4)

1. An HDPE reinforced hollow winding flat-wall pipe, which is characterized in that: comprises an outer tube (3) and a reinforced fiber heat-shrinkable sleeve (4);

outer tube (3): the outer pipe (3) is a HDPE corrugated pipe, an oxidation resistant layer (6) is arranged on the inner side surface of the outer pipe (3), a plastic-coated steel wire mesh pipe (5) is arranged on the inner side surface of the oxidation resistant layer (6), the inner side surface of the plastic-coated steel wire mesh pipe (5) is connected with the inner pipe (1) through a reinforcing rib (2), and the outer pipe (3) is provided with two sections;

reinforcing fiber heat shrinkage sleeve: the reinforced fiber heat-shrinkable sleeve (4) is arranged at the outer side of the corresponding end parts of the two sections of outer pipes (3), the two sections of outer pipes (3) are connected through the bearing pipe (7), and a sealing ring (9) is arranged between the two sections of outer pipes (3).

2. An HDPE reinforced hollow wound flat-wall pipe according to claim 1, characterized in that: the anti-oxidation layer (6) comprises a polyurethane rubber tube (61) and an antioxidant (62), the antioxidant (62) is sprayed on the polyurethane rubber tube (61), and the polyurethane rubber tube (61) is bonded with the outer tube (3) through a high-strength adhesive.

3. An HDPE reinforced hollow wound flat-wall pipe according to claim 1, characterized in that: it is equipped with insulating layer (8) to cross between plastic steel wire mesh pipe (5) and oxidation resisting layer (6), insulating layer (8) include high aluminium type aluminium silicate fiber (81) and aerogel felt (82), and high aluminium type aluminium silicate fiber (81) are laid on aerogel felt (82), and aerogel felt (82) parcel just bonds with polyurethane rubber pipe (61) through high strength bonding agent on crossing plastic steel wire mesh pipe (5).

4. An HDPE reinforced hollow wound flat-wall pipe according to claim 1, characterized in that: the reinforcing ribs (2) are I-shaped and are arranged in an array manner, and the reinforcing ribs (2) are connected with the plastic coated steel wire mesh pipe (5) through a high-strength adhesive on the outer pipe (3).

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