CN212616811U

CN212616811U - PVC sewage drain pipe

Info

Publication number: CN212616811U
Application number: CN202020942422.1U
Authority: CN
Inventors: 吕晶晶
Original assignee: Shifang Jinyang Plastic Pipe Co ltd
Current assignee: Shifang Jinyang Plastic Pipe Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-02-26
Anticipated expiration: 2030-05-29

Abstract

The utility model discloses a PVC sewage drain pipe, including PVC pipe body, the internal surface of PVC pipe body is provided with the insulating layer, the internal surface of insulating layer is provided with the anti-corrosion coating, the anti-corrosion coating comprises polyphenylene sulfide layer and polyaramide layer, the surface of PVC pipe body is provided with high temperature resistant layer, high temperature resistant layer comprises polyether ether ketone coating and graphite coating. The utility model discloses a set up the insulating layer for the internal surface of PVC pipe body possesses good heat-proof quality, when having avoided inside circulation to pass through hot sewage, cause the damage to PVC pipe body, through setting up the polyphenylene sulfide layer, it is high heat-resisting to have, high melting temperature, anticorrosion and high chemical resistance, through setting up polyether ether ketone coating, have high temperature resistant, radiation resistance, insulating stability, it is hydrolysis-resistant, resistance to compression and physicochemical properties such as corrosion-resistant, through setting up the graphite coating, the high temperature resistant effect of PVC pipe body surface has further been improved.

Description

PVC sewage drain pipe

Technical Field

The utility model relates to a PVC manages technical field, specifically is a PVC sewage drain pipe.

Background

With the development of science and technology, PVC materials are also widely applied to various fields, such as the shell packaging of products and corresponding dredging pipelines and sewer pipelines, in particular to the dredging pipelines and the sewer pipelines made of PVC materials, however, the existing PVC pipes have the defects of poor corrosion resistance and high temperature resistance effects when in use, the service life of the PVC pipes is shortened, and therefore, the PVC sewage drain pipe is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a PVC sewage drain pipe possesses long service life's advantage, has solved current PVC tubular product and has had the shortcoming that anticorrosion and high temperature resistant effect are poor when using, has reduced PVC pipe life's problem.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the PVC sewage drain pipe comprises a PVC pipe body, wherein a heat insulation layer is arranged on the inner surface of the PVC pipe body, an anti-corrosion layer is arranged on the inner surface of the heat insulation layer, the anti-corrosion layer is composed of a polyphenylene sulfide layer and a polyaramide layer, a high-temperature-resistant layer is arranged on the outer surface of the PVC pipe body, and the high-temperature-resistant layer is composed of a polyether-ether-ketone coating and a graphite coating.

Preferably, the heat insulation layer is ceramic microbubble heat insulation paint and is coated on the inner surface of the PVC pipe body.

Preferably, the polyphenylene sulfide layer is coated on the inner surface of the heat insulation layer, and the polyaramid layer is coated on the inner surface of the polyphenylene sulfide layer.

Preferably, the polyetheretherketone coating is coated on the outer surface of the PVC pipe body, and the graphite coating is coated on the outer surface of the polyetheretherketone coating.

Preferably, the outer surface of the high temperature resistant layer is coated with a wear-resistant layer, and the wear-resistant layer is ceramic paint.

(III) advantageous effects

Compared with the prior art, the utility model provides a PVC sewage drain pipe possesses following beneficial effect:

the heat insulation layer is arranged, so that the inner surface of the PVC pipe body has good heat insulation performance, and when hot sewage flows through the inner part, the damage to the PVC pipe body is caused, the polyaramid layer has the properties of high heat resistance, high melting temperature, corrosion resistance and high chemical resistance, the anti-corrosion effect of the PVC pipe body is further improved by arranging the polyphenylene sulfide layer, and the physical and chemical properties such as high temperature resistance, irradiation resistance, stable insulation, hydrolysis resistance, compression resistance, corrosion resistance and the like are achieved by arranging the polyether-ether-ketone coating, the graphite coating is arranged, so that the high-temperature resistant effect of the outer surface of the PVC pipe body is further improved, through setting up the wearing layer, have good resistant bacterinertness, acid resistance, alkali resistance, high temperature resistance and high wearability, solved current PVC tubular product and had the shortcoming that anticorrosion and high temperature resistant effect are poor when using, reduced PVC pipe life's problem.

Drawings

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

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

FIG. 3 is a schematic cross-sectional structural view of the anti-corrosion layer of the present invention;

fig. 4 is the schematic view of the sectional structure of the high temperature resistant layer of the present invention.

In the figure: 1. a PVC pipe body; 2. a thermal insulation layer; 3. an anti-corrosion layer; 31. a polyphenylene sulfide layer; 32. a polyaramid layer; 4. a high temperature resistant layer; 41. a polyetheretherketone coating; 42. a graphite coating; 5. and a wear-resistant 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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses a PVC pipe body 1, insulating layer 2, anti-corrosion coating 3, polyphenylene sulfide layer 31, polyaramide layer 32, high temperature resistant layer 4, polyether ether ketone coating 41, graphite coating 42 and wearing layer 5 part are the parts that universal standard spare or technical staff in the field know, and its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method.

Referring to fig. 1-4, a PVC sewage drain pipe includes a PVC pipe body 1, a thermal insulation layer 2 is disposed on an inner surface of the PVC pipe body 1, the thermal insulation layer 2 is made of ceramic micro-bubble thermal insulation coating, the thermal insulation layer 2 is coated on the inner surface of the PVC pipe body 1, the thermal insulation layer 2 is disposed to enable the inner surface of the PVC pipe body 1 to have good thermal insulation performance, thereby preventing the PVC pipe body 1 from being damaged when hot sewage flows through the interior, an anti-corrosion layer 3 is disposed on the inner surface of the thermal insulation layer 2, the anti-corrosion layer 3 is composed of a polyphenylene sulfide layer 31 and a polyaramide layer 32, the polyphenylene sulfide layer 31 is coated on the inner surface of the thermal insulation layer 2, the polyaramide layer 32 is coated on the inner surface of the polyphenylene sulfide layer 31, the polyaramide layer 32 has high heat resistance, high melting temperature, high corrosion resistance and high chemical resistance, and the anti-corrosion effect is further improved, the outer surface of the PVC pipe body 1 is provided with a high-temperature-resistant layer 4, the outer surface of the high-temperature-resistant layer 4 is coated with a wear-resistant layer 5, the wear-resistant layer 5 is made of ceramic paint, the wear-resistant layer 5 has good antibacterial property, acid resistance, alkali resistance, high temperature resistance and high wear resistance, the high-temperature-resistant layer 4 is composed of a polyether-ether-ketone coating 41 and a graphite coating 42, the polyether-ether-ketone coating 41 is coated on the outer surface of the PVC pipe body 1, the graphite coating 42 is coated on the outer surface of the polyether-ether-ketone coating 41, the polyether-ether-ketone coating 41 has physicochemical properties such as high temperature resistance, irradiation resistance, stable insulation property, hydrolysis resistance, compression resistance, corrosion resistance and the like, and the graphite coating 42 is arranged, so that the high-temperature resistance effect of the outer surface.

When in use, the thermal insulation layer 2 is arranged, so that the inner surface of the PVC pipe body 1 has good thermal insulation performance, the damage to the PVC pipe body 1 caused by hot sewage flowing through the inner part is avoided, the polyaramid layer 32 has high heat resistance, high melting temperature, corrosion resistance and high chemical resistance, the polyphenylene sulfide layer 31 is arranged, the anti-corrosion effect of the PVC pipe body 1 is further improved, the polyetheretherketone coating 41 has physical and chemical properties such as high temperature resistance, irradiation resistance, stable insulation, hydrolysis resistance, compression resistance, corrosion resistance and the like, the graphite coating 42 is arranged, the high temperature resistance effect of the outer surface of the PVC pipe body 1 is further improved, the wear-resistant layer 5 has good antibacterial property, acid resistance, alkali resistance, high temperature resistance and high wear resistance, and the defect that the existing PVC pipe has poor corrosion resistance and high temperature resistance effect when in use is solved, the service life of the PVC pipe is reduced.

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 PVC sewage drain pipe, includes PVC pipe body (1), its characterized in that: the PVC pipe is characterized in that a heat insulation layer (2) is arranged on the inner surface of the PVC pipe body (1), an anti-corrosion layer (3) is arranged on the inner surface of the heat insulation layer (2), the anti-corrosion layer (3) is composed of a polyphenylene sulfide layer (31) and a polyaramide layer (32), a high temperature resistant layer (4) is arranged on the outer surface of the PVC pipe body (1), and the high temperature resistant layer (4) is composed of a polyether ether ketone coating (41) and a graphite coating (42).

2. The PVC sewage drainpipe of claim 1, which is characterized in that: the heat insulation layer (2) is ceramic microbubble heat insulation paint, and the heat insulation layer (2) is coated on the inner surface of the PVC pipe body (1).

3. The PVC sewage drainpipe of claim 1, which is characterized in that: the polyphenylene sulfide layer (31) is coated on the inner surface of the heat insulation layer (2), and the polyaramide layer (32) is coated on the inner surface of the polyphenylene sulfide layer (31).

4. The PVC sewage drainpipe of claim 1, which is characterized in that: the polyether-ether-ketone coating (41) is coated on the outer surface of the PVC pipe body (1), and the graphite coating (42) is coated on the outer surface of the polyether-ether-ketone coating (41).

5. The PVC sewage drainpipe of claim 1, which is characterized in that: the outer surface of the high-temperature resistant layer (4) is coated with a wear-resistant layer (5), and the wear-resistant layer (5) is made of ceramic paint.