CN213452159U

CN213452159U - Flame-retardant PVC (polyvinyl chloride) pipe

Info

Publication number: CN213452159U
Application number: CN202021954868.2U
Authority: CN
Inventors: 黄志委; 其他发明人请求不公开姓名
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-06-15
Anticipated expiration: 2030-09-09

Abstract

The utility model belongs to the technical field of the PVC tubular product technique and specifically relates to a fire-retardant PVC tubular product, which comprises a pipe body, the body includes the wearing layer, the fire-retardant layer of inboard fixedly connected with of wearing layer, the inboard fixedly connected with compressive layer of fire-retardant layer, the inboard fixedly connected with heat insulation layer of compressive layer, the inboard fixedly connected with water blocking layer of heat insulation layer, the inboard fixedly connected with anti-corrosion coating of water blocking layer, the one end of body is provided with the connector tube head, the one end fixed mounting of body is in the connector tube head, the surface coating of body has the metallic paint layer, the outside of connector tube head is provided with wear-resisting pipe sleeve, wear-resisting pipe sleeve fixed mounting is in the outside of connector tube head, the inboard of connector tube head is. The utility model discloses a practicality is strong, is worth promoting.

Description

Flame-retardant PVC (polyvinyl chloride) pipe

Technical Field

The utility model relates to a PVC tubular product technical field especially relates to a fire-retardant PVC tubular product.

Background

The pipeline is a device which is connected by pipes, pipe connectors, valves and the like and used for conveying gas, liquid or fluid with solid particles, generally, the fluid flows from a high-pressure part to a low-pressure part of the pipeline after being pressurized by a blower, a compressor, a pump, a boiler and the like, and can also be conveyed by utilizing the pressure or gravity of the fluid, the pipeline has wide application range and is mainly used for water supply, water drainage, heat supply, gas supply, long-distance petroleum and natural gas conveying, agricultural irrigation, hydraulic engineering and various industrial devices; the utilization rate of the pipeline in the current society is very high, the pipeline comprises a PVC pipe, the existing PVC pipe is poor in flame retardant effect, a large amount of black smoke and toxic gas such as HCl, CO, a small amount of phosgene, benzene, naphthalene and other aromatic compounds can be emitted when the PVC pipe is burnt, a large amount of people are killed due to smoke suffocation when a fire disaster occurs, and the application range of the PVC is limited to a certain extent.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming of poor flame retardant efficiency existing in the prior art and providing a flame retardant PVC pipe.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a design a fire-retardant PVC tubular product, includes the body, the body includes the wearing layer, the fire-retardant layer of inboard fixedly connected with of wearing layer, the inboard fixedly connected with compressive layer of fire-retardant layer, the inboard fixedly connected with heat insulation layer of compressive layer, the inboard fixedly connected with water blocking layer of heat insulation layer, the inboard fixedly connected with anti corrosion coating of water blocking layer, the one end of body is provided with the connector tube head, the one end fixed mounting of body is in the connector tube head, the surface coating of body has the metallic paint layer, the outside of connector tube head is provided with wear-resisting pipe sleeve, wear-resisting pipe sleeve fixed mounting is in the outside of connector tube head, the inboard of connector tube head is provided with waterproof pad, waterproof pad fixed mounting is between connector tube head and body.

Preferably, the material of wearing layer is chlorinated polyethylene, wearing layer's thickness is 1 millimeter.

Preferably, the material of the flame-retardant layer is antimony trioxide, and the thickness of the flame-retardant layer is 1 mm.

Preferably, the material of the pressure-resistant layer is silicon dioxide, and the thickness of the pressure-resistant layer is 1 mm.

Preferably, the heat insulating layer is a silicone layer, and the thickness of the heat insulating layer is 1 mm.

Preferably, the water-resistant layer is a pure propionic acid polymer layer, the anti-corrosion layer is a nano titanium oxide layer, and the sum of the thicknesses of the water-resistant layer and the anti-corrosion layer is 1 mm.

The utility model provides a pair of fire-retardant PVC tubular product, beneficial effect lies in:

1. the flame-retardant layer is a mixed layer of antimony trioxide, magnesium hydroxide and trimethyl benzene phosphate, the trimethyl benzene phosphate has a good flame-retardant effect, and meanwhile, the antimony trioxide and the magnesium hydroxide can effectively inhibit smoke generated by combustion;

2. the pressure-resistant layer is a mixed layer of calcium carbonate and silicon dioxide, and both the calcium carbonate and the silicon dioxide have certain impact resistance, so that the pressure resistance of the pipe is stronger;

3. the anti-corrosion layer is a nano titanium oxide layer, and the nano titanium oxide has stronger corrosion resistance, so that the service life of the pipe is longer;

4. the surface coating of body has the metal lacquer layer, and the metal lacquer layer not only has effectual flame retardant efficiency, simultaneously, can avoid the body surface to be by oxidation.

Drawings

Fig. 1 is a schematic structural view of a flame retardant PVC pipe provided by the present invention;

fig. 2 is a cross-sectional view of a flame retardant PVC pipe provided by the present invention;

fig. 3 is the utility model provides a structural schematic diagram of the body of fire-retardant PVC tubular product.

In the figure: the pipe comprises a pipe body 1, a metal coating layer 2, a connector head 3, a wear-resistant pipe sleeve 4, a waterproof pad 5, a wear-resistant layer 11, a flame-retardant layer 12, a compression-resistant layer 13, a heat-insulating layer 14, a water-resistant layer 15 and an anti-corrosion layer 16.

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.

Referring to fig. 1-3, a flame retardant PVC pipe comprises a pipe body 1, the pipe body 1 comprises a wear layer 11, the wear layer 11 is made of chlorinated polyethylene, and the thickness of the wear layer 11 is 1 mm; the inboard fixedly connected with fire-retardant layer 12 of wearing layer 11, the material of fire-retardant layer 12 is antimony trioxide, and the thickness of fire-retardant layer 12 is 1 millimeter, and antimony trioxide has fine flame retardant efficiency, and simultaneously, antimony trioxide can effectual suppression burning produce smog.

The inner side of the flame-retardant layer 12 is fixedly connected with a pressure-resistant layer 13, the pressure-resistant layer 13 is made of silicon dioxide, the thickness of the pressure-resistant layer 13 is 1 mm, and the silicon dioxide has certain impact resistance, so that the pressure resistance of the pipe is stronger; the inner side of the pressure-resistant layer 13 is fixedly connected with a heat-insulating layer 14, the heat-insulating layer 14 is an organic silicon layer, and the thickness of the heat-insulating layer 14 is 1 mm; the inner side of the heat insulating layer 14 is fixedly connected with a water resisting layer 15, the inner side of the water resisting layer 15 is fixedly connected with an anti-corrosion layer 16, the water resisting layer 15 is a pure propionic acid polymer layer, the anti-corrosion layer 16 is a nano titanium oxide layer, the sum of the thicknesses of the water resisting layer 15 and the anti-corrosion layer 16 is 1 mm, and the nano titanium oxide has strong corrosion resistance and can enable the service life of the pipe to be longer.

One end of the pipe body 1 is provided with a connector 3, one end of the pipe body 1 is fixedly arranged in the connector 3, the surface of the pipe body 1 is coated with a metal paint layer 2, the metal paint layer 2 not only has effective flame retardant effect, but also can prevent the surface of the pipe body 1 from being oxidized; the outside of connector head 3 is provided with wear-resisting pipe box 4, and wear-resisting pipe box 4 fixed mounting is in the outside of connector head 3, and the inboard of connector head 3 is provided with waterproof pad 5, and waterproof pad 5 fixed mounting is between connector head 3 and body 1, and waterproof pad 5 can increase the leakproofness between connector head 3 and the body 1.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a fire-retardant PVC tubular product, includes body (1), its characterized in that, body (1) includes wearing layer (11), the inboard fixedly connected with fire-retardant layer (12) of wearing layer (11), the inboard fixedly connected with compressive layer (13) of fire-retardant layer (12), the inboard fixedly connected with heat insulation layer (14) of compressive layer (13), the inboard fixedly connected with water blocking layer (15) of heat insulation layer (14), the inboard fixedly connected with anti-corrosion coating (16) of water blocking layer (15), the one end of body (1) is provided with connector tube head (3), the one end fixed mounting of body (1) is in connector tube head (3), the surface coating of body (1) has metallic paint layer (2), the outside of connector tube head (3) is provided with wear-resisting pipe sleeve (4), wear-resisting pipe sleeve (4) fixed mounting is in the outside of connector tube head (3), the inboard of connector head (3) is provided with waterproof pad (5), waterproof pad (5) fixed mounting is between connector head (3) and body (1).

2. The flame retardant PVC pipe as claimed in claim 1, wherein the wear layer (11) is made of chlorinated polyethylene, and the thickness of the wear layer (11) is 1 mm.

3. A fire retardant PVC pipe according to claim 1, characterised in that the material of the fire retardant layer (12) is antimony trioxide, the thickness of the fire retardant layer (12) being 1 mm.

4. A flame retardant PVC pipe according to claim 1, characterized in that the material of the pressure resistant layer (13) is silica, and the thickness of the pressure resistant layer (13) is 1 mm.

5. A fire retardant PVC pipe according to claim 1, characterized in that the thermal insulation layer (14) is a silicone layer, the thickness of the thermal insulation layer (14) being 1 mm.

6. Flame retardant PVC pipe according to claim 1, characterized in that the water barrier layer (15) is a pure propionic acid polymer layer, the corrosion resistant layer (16) is a nano titanium oxide layer, and the sum of the thickness of the water barrier layer (15) and the thickness of the corrosion resistant layer (16) is 1 mm.