CN210291018U

CN210291018U - Polypropylene pipe with good wear resistance

Info

Publication number: CN210291018U
Application number: CN201921217356.5U
Authority: CN
Inventors: 郭祥华
Original assignee: Jiangsu Sanli Anticorrosive Pipe Valve Co Ltd
Current assignee: Jiangsu Sanli Anticorrosive Pipe Valve Co Ltd
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-04-10
Anticipated expiration: 2029-07-30

Abstract

The utility model belongs to the technical field of the polypropylene pipe, especially, be a polypropylene pipe that wearability is good, including polypropylene pipe body, anti-corrosion coating, first wearing layer and second wearing layer, it has the reinforcing bar net to embed in the polypropylene pipe body, the reinforcing bar net is interweaved by eight sets of reinforcing bar lines and twines and constitute, the inner wall laminating of polypropylene pipe body is provided with anti-corrosion coating, anti-corrosion coating's inner wall is equipped with coarse texture layer, and coarse texture layer's inner wall laminating is connected the outer wall of first wearing layer, the outer wall laminating of polypropylene pipe body is connected the second wearing layer, the outer wall winding of second wearing layer have the shock tube layer. The utility model discloses it has the strengthening rib net to embed in the polypropylene pipe body with reinforcing its structural strength and tensile pull out, stamping performance to set up anti-corrosion coating reinforcing corrosion resisting property at its inner wall, set up first wearing layer in anti-corrosion coating and further reduce the inside fluid of pipeline, for example concrete, grit are to the wearing and tearing of its inner wall.

Description

Polypropylene pipe with good wear resistance

Technical Field

The utility model relates to a polypropylene pipe technical field specifically is a polypropylene pipe that wearability is good.

Background

Polypropylene (PP) is colorless, odorless, nontoxic and semitransparent solid matter, is thermoplastic synthetic resin with excellent performance, is colorless and semitransparent thermoplastic light general-purpose plastic, has chemical resistance, heat resistance, electric insulation, high-strength mechanical property, good high-wear-resistance processing performance and the like, greatly promotes the development of the polypropylene industry along with the rapid development of the industries of packaging, electronics, automobiles and the like in China in recent years, and because of the plasticity of the PP, the polypropylene material gradually replaces wooden products, the mechanical function of metal is gradually replaced by the high-strength toughness and high-wear-resistance performance, in addition, the polypropylene has good grafting and composite functions, has huge application space in the aspects of concrete, textile, packaging, agriculture, forestry and fishery, is transparent and light in appearance, and is widely applied to fiber products such as clothing, blankets and the like, Medical instruments, automobiles, bicycles, parts, chemical containers and the like are also widely applied to pipelines.

The current polypropylene pipes suffer from the following problems:

1. the existing polypropylene pipe has poor wear resistance and corrosion resistance, and has short service life under severe working environment;

2. the existing polypropylene pipe has poor tensile and impact resistance and is easy to break under a high-strength working environment.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a polypropylene pipe that wearability is good has solved present polypropylene pipe wearability and corrosion resistance relatively poor to and stretch-proofing and the relatively poor problem of impact behavior.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a polypropylene pipe that wearability is good, includes polypropylene pipe body, anti-corrosion coating, first wearing layer and second wearing layer, it has the reinforcing bar net to embed in the polypropylene pipe body, the reinforcing bar net comprises eight sets of reinforcing bar lines interweave winding, the inner wall laminating of polypropylene pipe body is provided with the anti-corrosion coating, the inner wall of anti-corrosion coating is equipped with coarse texture layer, the inner wall laminating on coarse texture layer is connected the outer wall of first wearing layer, the outer wall laminating of polypropylene pipe body is connected the second wearing layer, the outer wall winding of second wearing layer has the shock attenuation pipe layer.

As a preferred technical scheme of the utility model, every group the strengthening rib line all includes five parallel arrangement's of each other strengthening rib single line, the strengthening rib single line is the spandex silk, the position that the strengthening rib line was woven mutually is equipped with the welding point.

As an optimized technical scheme of the utility model, the polypropylene pipe body the anti-corrosion coating first wearing layer with bond through polyurethane glue film between the second wearing layer.

As an optimal technical scheme of the utility model, the anticorrosion layer is the stainless steel layer, first wearing layer is the carbon fiber layer, the second wearing layer is the polyvinyl chloride layer, first wearing layer with evenly be doped with the graphite granule in the second wearing layer.

As an optimal technical scheme of the utility model, the shock attenuation pipe layer is rubber tube or silicone tube.

As an optimized technical scheme of the utility model, coarse texture layer is diamond-shaped structure or honeycomb structure.

(III) advantageous effects

Compared with the prior art, the utility model provides a polypropylene pipe that wearability is good possesses following beneficial effect:

1. according to the polypropylene pipe with good wear resistance, the reinforcing rib net is embedded in the polypropylene pipe body to enhance the structural strength, the drawing resistance and the stamping resistance of the polypropylene pipe body, the inner wall of the polypropylene pipe body is provided with the anti-corrosion layer to enhance the anti-corrosion performance, and the first wear-resistant layer is arranged in the anti-corrosion layer to further reduce the wear of fluid in the pipeline, such as concrete and gravel, on the inner wall of the polypropylene pipe body.

2. This polypropylene pipe that wearability is good, the outer wall laminating of connecting the second wearing layer at the polypropylene pipe body strengthens the wear resistance of its outer wall to the outer wall winding on second wearing layer sets up the shock resistance and the rolling compaction performance that the shock tube layer strengthened the pipeline.

Drawings

FIG. 1 is a schematic view of the subjective layer-cut structure of the present invention;

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

fig. 3 is a schematic view of the axial structure of the present invention.

In the figure: 1. a polypropylene tube body; 2. a reinforcing rib net; 3. reinforcing rib lines; 301. strengthening the rib single line; 302. a welding point; 4. an anti-corrosion layer; 401. a coarse texture layer; 5. a first wear resistant layer; 6. a second wear layer; 7. a shock absorbing tube layer; 8. and a polyurethane adhesive layer.

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.

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides a polypropylene pipe that wearability is good, including polypropylene pipe body 1, anti-corrosion coating 4, first wearing layer 5 and second wearing layer 6, it has reinforcing bar net 2 to embed in the polypropylene pipe body 1, reinforcing bar net 2 interweaves the winding by eight groups reinforcing bar lines 3 and constitutes, the inner wall laminating of polypropylene pipe body 1 is provided with anti-corrosion coating 4, anti-corrosion coating 4's inner wall is equipped with coarse texture layer 401, the outer wall of first wearing layer 5 is connected in coarse texture layer 401's inner wall laminating, second wearing layer 6 is connected in the outer wall laminating of polypropylene pipe body 1, the outer wall winding of second wearing layer 6 has shock tube layer 7.

In the embodiment, the polypropylene material is made into the basic structure of the utility model, and the polypropylene has chemical resistance, heat resistance, electrical insulation, high-strength mechanical property, good high wear resistance and the like, so that the polypropylene material can bear certain high temperature and high pressure, but the strength and the wear resistance of the pipe are not enough to maintain long-term use in a severe use environment, so the utility model embeds the reinforcing rib net 2 in the polypropylene pipe body 1 to enhance the structural strength and the pulling and stamping resistance, and arranges the anti-corrosion layer 4 on the inner wall to enhance the anti-corrosion performance, the provision of the first wear layer 5 in the corrosion protection layer 4 further reduces the wear of the inner walls of the pipe by fluids, such as concrete or sand, the outer wall of the polypropylene pipe body 1 is jointed and connected with a second wear-resistant layer 6 to enhance the wear resistance of the outer wall, and the shock-absorbing tube layer 7 is wound on the outer wall of the second wear-resistant layer 6 to enhance the impact resistance and rolling resistance of the pipeline.

Specifically, each group of reinforcing rib wires 3 comprises five reinforcing rib single wires 301 arranged in parallel, the reinforcing rib single wires 301 are spandex filaments, and welding points 302 are arranged at the positions where the reinforcing rib wires 3 are interwoven.

In this embodiment, the spandex has an outstanding high resilience, which is incomparable with all elastic fibers at present, and has excellent tensile strength, tear strength, weather resistance, strong ultraviolet irradiation resistance, and excellent chemical resistance and washing resistance, so the strengthening rib single lines 301 of the spandex filament are arranged in the polypropylene pipe body 1 to ensure that the polypropylene pipe has excellent tensile resistance and impact resistance, each group of strengthening rib lines 3 comprises five strengthening rib single lines 301 arranged in parallel, the wall thickness of the polypropylene pipe body 1 can be greatly reduced in a state that the tensile strength of the strengthening rib lines 3 is unchanged, welding points 302 are arranged at the mutually interwoven parts of the strengthening rib lines 3, and the welding points 302 are welded by ultrasonic waves, so that the polyurethane pipe has the advantages of firm welding and small welding points.

Specifically, the polypropylene pipe body 1, the anti-corrosion layer 4, the first wear-resistant layer 5 and the second wear-resistant layer 6 are bonded through a polyurethane adhesive layer 8.

In this embodiment, the polyurethane adhesive layer 8 contains isocyanate and carbamate groups with strong polarity and chemical activity, and has excellent chemical adhesion with base materials containing active hydrogen, such as foam, plastic, wood, leather, fabric, paper, ceramic and other porous materials, and metal, glass, rubber, plastic and other materials with smooth surfaces, and the polyurethane adhesive has excellent rubber characteristics and can adapt to the adhesion of base materials with different thermal expansion coefficients, and forms a soft and hard transition layer between the base materials, so that the adhesive has strong adhesion, excellent buffering and damping functions, and the polyurethane adhesive has excellent shear strength and impact resistance, is suitable for various structural adhesion fields, and has excellent flexibility, and the low-temperature and ultralow-temperature performance of the polyurethane adhesive exceeds that of all other types of adhesives, therefore the utility model discloses in, polyurethane glue film 8 can be as an organic whole with the firm bonding of polypropylene pipe body 1, anti-corrosion coating 4, first wearing layer 5 and second wearing layer 6 to carry out fine transition, reinforcing to above-mentioned material the utility model discloses the equilibrium and the uniformity of polypropylene pipe.

Specifically, the anti-corrosion layer 4 is a stainless steel layer, the first wear-resistant layer 5 is a carbon fiber layer, the second wear-resistant layer 6 is a polyvinyl chloride layer, and graphite particles are uniformly doped in the first wear-resistant layer 5 and the second wear-resistant layer 6.

In the embodiment, the stainless steel is a universal metal which is resistant to high temperature and saline-alkali corrosion, has good ductility and flexibility and can be bent, the carbon fiber is a special fiber consisting of carbon elements, has the characteristics of high temperature resistance, friction resistance, electric conduction, heat conduction, corrosion resistance and the like, is fibrous, soft and can be processed into various fabrics, the graphite microcrystal structure of the carbon fiber is preferentially oriented along the fiber axis, so that the carbon fiber has high strength and modulus along the fiber axis direction, the density of the carbon fiber is small, so that the specific strength and specific modulus are high, the carbon fiber is mainly used for compounding the carbon fiber with resin, metal, ceramic, carbon and the like to manufacture an advanced composite material, and the carbon fiber reinforced epoxy resin composite material has the highest specific strength and specific modulus in the existing engineering materials, the graphite particles have good lubricity and wear resistance and is doped into the carbon fiber layer and the polyvinyl chloride layer, the wear resistance of the two can be better enhanced.

Specifically, the shock absorbing tube layer 7 is a rubber tube or a silicone tube.

In this embodiment, the shock absorbing tube layer 7 is a rubber tube or a silicone tube, both of which have good elasticity and certain wear resistance, so as to protect the second wear-resistant layer 6, reduce the probability of wear thereof and reduce the impact thereof.

Specifically, the rough texture layer 401 has a diamond structure or a honeycomb structure.

In this embodiment, the diamond-structured or honeycomb-structured rough texture layer 401 has the advantages of beautiful structure and easy production, and has good regularity of the structural pattern, thereby enhancing the tightness and consistency of the connection between the anti-corrosion layer 4 and the first wear-resistant layer 5.

The polypropylene pipe body 1 and the corrosion prevention layer 4 in this embodiment are known technologies that have been disclosed to be widely used in daily life.

The utility model discloses a theory of operation and use flow: the polypropylene has chemical resistance, heat resistance, electrical insulation, high-strength mechanical property, good high wear resistance and the like, so that the polypropylene pipe can bear certain high temperature and high pressure, but the strength and the wear resistance of the polypropylene pipe are not enough to maintain long-term use in severe use environment, therefore, in the utility model, a reinforcing rib net 2 is embedded in a polypropylene pipe body 1, the reinforcing rib net 2 is formed by interweaving and winding eight groups of reinforcing rib wires 3, each group of reinforcing rib wires 3 comprises five reinforcing rib single lines 301 which are arranged in parallel mutually, the reinforcing rib single lines 301 are spandex filaments, the high resilience, the excellent tensile strength and the tear resistance of the spandex enable the utility model to have excellent tensile property and impact resistance, and an anti-corrosion layer 4 is arranged on the inner wall of the polypropylene pipe to enhance the anti-corrosion performance, and a first wear-resistant layer 5 is arranged in the anti-corrosion layer 4 to further reduce the fluid in the pipe, for example, concrete and sand are worn on the inner wall of the polypropylene pipe body 1, the outer wall of the polypropylene pipe body 1 is connected with the second wear-resistant layer 6 in a fitting mode to enhance the wear resistance of the outer wall of the polypropylene pipe body, and the shock-absorbing pipe layer 7 is wound on the outer wall of the second wear-resistant layer 6 to enhance the shock resistance and the rolling performance of the pipeline.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a polypropylene pipe that wearability is good, includes polypropylene pipe body (1), anti-corrosion coating (4), first wearing layer (5) and second wearing layer (6), its characterized in that: the polypropylene pipe is characterized in that a reinforcing rib net (2) is embedded in the polypropylene pipe body (1), the reinforcing rib net (2) is formed by interweaving and winding eight groups of reinforcing rib lines (3), the inner wall of the polypropylene pipe body (1) is attached to the anti-corrosion layer (4), the inner wall of the anti-corrosion layer (4) is provided with a rough texture layer (401), the inner wall of the rough texture layer (401) is attached to the outer wall of the first wear-resistant layer (5), the outer wall of the polypropylene pipe body (1) is attached to the second wear-resistant layer (6), and the outer wall of the second wear-resistant layer (6) is wound to form a shock absorption pipe layer (7).

2. The abrasion resistant polypropylene tube of claim 1, wherein: each group of the reinforcing rib lines (3) comprises five reinforcing rib single lines (301) which are arranged in parallel, the reinforcing rib single lines (301) are spandex yarns, and welding points (302) are arranged at the positions where the reinforcing rib lines (3) are interwoven.

3. The abrasion resistant polypropylene tube of claim 1, wherein: the polypropylene pipe body (1), the anti-corrosion layer (4), the first wear-resistant layer (5) and the second wear-resistant layer (6) are bonded through a polyurethane adhesive layer (8).

4. The abrasion resistant polypropylene tube of claim 1, wherein: the anti-corrosion coating (4) is a stainless steel layer, the first wear-resistant layer (5) is a carbon fiber layer, the second wear-resistant layer (6) is a polyvinyl chloride layer, and graphite particles are uniformly doped in the first wear-resistant layer (5) and the second wear-resistant layer (6).

5. The abrasion resistant polypropylene tube of claim 1, wherein: the shock-absorbing tube layer (7) is a rubber tube or a silicone tube.

6. The abrasion resistant polypropylene tube of claim 1, wherein: the rough texture layer (401) is of a diamond structure or a honeycomb structure.