CN212178100U

CN212178100U - Corrosion-resistant PE-RT II heating pipe

Info

Publication number: CN212178100U
Application number: CN202020102369.4U
Authority: CN
Inventors: 白胜国; 杨世良; 谷红强; 张占国
Original assignee: Hebei Fangsheng Plastics Industry Co ltd
Current assignee: Hebei Fangsheng Plastics Industry Co ltd
Priority date: 2020-01-17
Filing date: 2020-01-17
Publication date: 2020-12-18
Anticipated expiration: 2030-01-17

Abstract

The utility model relates to a PE-RT II heating pipe technical field especially relates to an anti-corrosion type PE-RT II heating pipe. The pipe comprises a working pipe, wherein the working pipe is in a round pipe shape, and an inner layer is arranged in the working pipe; the outer part of the working pipe is sequentially provided with a heat-insulating layer and an outer pipe; a water leakage detection cable is arranged inside the heat insulation layer; and a protective layer is arranged outside the outer pipe. The utility model adopts the inner layer made of polytetrafluoroethylene material arranged inside the working tube made of PE-RT II material, which not only enhances the anti-corrosion capability of the heating tube at high temperature, but also prevents the impurities in the fluid from depositing on the inner wall of the tube; the water leakage detection cable is arranged in the heat insulation layer, so that when the heat supply pipe leaks water, the position of the water leakage can be accurately pointed out, and workers can be instructed to maintain; the outer pipe is provided with the protective layer made of polytetrafluoroethylene, so that the outer pipe can be prevented from being aged due to solar radiation.

Description

Corrosion-resistant PE-RT II heating pipe

Technical Field

The utility model relates to a PE-RT II heating pipe technical field especially relates to an anti-corrosion type PE-RT II heating pipe.

Background

PE-RT II is a polyolefin thermoplastic, is formed by copolymerizing ethylene and hexene at present, has excellent crack resistance, high temperature resistance and antistatic hydraulic strength due to unique molecular branch distribution, and has good chemical stability at room temperature, so that the PE-RT II is suitable for being used for heating pipes. However, under high temperature conditions, the corrosion resistance of PE-RT II is reduced to a certain extent, and due to defects in the manufacturing process or accidents in the using process, the heating pipe is inevitably damaged to cause leakage, and serious loss can be caused if the maintenance is not timely.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the technical deficiency exists, a corrosion-resistant PE-RT II heating pipe is provided, an inner layer made of polytetrafluoroethylene is arranged in the working pipe made of PE-RT II, which not only enhances the corrosion resistance of the heating pipe at high temperature, but also prevents impurities in the fluid from depositing on the inner wall of the pipe; the water leakage detection cable is arranged in the heat insulation layer, so that when the heat supply pipe leaks water, the position of the water leakage can be accurately pointed out, and workers can be instructed to maintain; the outer pipe is provided with the protective layer made of polytetrafluoroethylene, so that the outer pipe can be prevented from being aged due to solar radiation.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the pipe comprises a working pipe, wherein the working pipe is in a round pipe shape, and an inner layer is arranged in the working pipe; the outer part of the working pipe is sequentially provided with a heat-insulating layer and an outer pipe; a water leakage detection cable is arranged inside the heat insulation layer; and a protective layer is arranged outside the outer pipe.

Further optimizing the technical scheme, the material of the working pipe is PE-RT II.

Further optimize this technical scheme, the material of inlayer is polytetrafluoroethylene.

Further optimizing the technical scheme, the model of the water leakage detection cable is SW1000B high temperature resistant positioning water leakage induction cable.

Further optimizing the technical scheme, the heat-insulating layer is made of EVA closed-cell foam material.

Further optimize this technical scheme, the material of outer tube is high density polyethylene.

Further optimize this technical scheme, the material of protective layer is polytetrafluoroethylene.

Compared with the prior art, the utility model has the advantages of it is following: 1. the inner layer made of the polytetrafluoroethylene material is arranged in the working pipe made of the PE-RT II material, so that the corrosion resistance of the heat supply pipe at high temperature is enhanced, and impurities in fluid are prevented from being deposited on the inner wall of the pipe, so that the condition that the flow is reduced due to the reduction of the effective passing area caused by the attachment of the impurities on the inner wall is avoided; 2. the water leakage detection cable is arranged in the heat insulation layer, so that when the heat supply pipe leaks water, the position of the water leakage can be accurately pointed out, workers can be indicated to maintain in time, and serious loss is avoided; 3. the outer pipe is provided with a protective layer made of polytetrafluoroethylene, so that the outer pipe can be prevented from aging due to solar irradiation, and the service life of the heat supply pipe is prolonged.

Drawings

FIG. 1 is a schematic structural diagram of a corrosion-resistant PE-RT II heating pipe.

In the figure: 1. a working pipe; 11. an inner layer; 2. a water leakage detection cable; 3. a heat-insulating layer; 4. an outer tube; 41. and a protective layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

The specific implementation mode is as follows: as shown in fig. 1, the pipe comprises a working pipe 1, wherein the working pipe 1 is in a circular pipe shape; the heat-insulating layer 3 and the outer pipe 4 are sequentially arranged outside the working pipe 1; a water leakage detection cable 2 is arranged in the heat insulation layer 3; the outer tube 4 is provided with a protective layer 41 on the outside.

The working pipe 1 is made of PE-RT II and has very good heat resistance and corrosion resistance.

The inner layer 11 is made of polytetrafluoroethylene, is high-temperature resistant, has excellent corrosion resistance and extremely low friction coefficient, and is an ideal coating for easily cleaning the inner layer of the water pipe.

The model of the water leakage detection cable 2 is a SW1000B high-temperature resistant positioning water leakage induction line, and the water leakage position can be accurately indicated.

The heat-insulating layer 3 is made of EVA closed-cell foam material, has good heat-insulating property, does not absorb water, has good water resistance and has certain permeability.

The outer pipe 4 is made of high-density polyethylene and has good hardness, strength and corrosion resistance.

The protective layer 41 is made of polytetrafluoroethylene, is corrosion-resistant, is not flammable, is stable to ultraviolet rays, and has excellent weather resistance.

The working principle, as shown in fig. 1, is that the inner part of the working pipe 1 is used for conveying hot fluid, and the inner layer 11 made of polytetrafluoroethylene material ensures that the heat supply pipe still has reliable anti-corrosion performance at 100 ℃, and meanwhile, impurities in the fluid cannot be deposited on the inner wall of the pipe. When the working pipe 1 is broken to cause leakage, the leaked fluid can permeate into the water leakage detection cable 2 through the heat preservation layer 3 with certain permeability, the water leakage detection cable 2 can give an alarm and accurately indicate the leakage position, and a worker is indicated to maintain. When the heat supply pipe is installed in the open air, the protective layer 41 can prevent corrosion and aging of the outer pipe 4 due to solar radiation.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The utility model provides a corrosion-resistant type PE-RT II heating pipe which characterized in that: the pipe comprises a working pipe (1), wherein the working pipe (1) is in a circular pipe shape, and an inner layer (11) is arranged inside the working pipe (1); the heat-insulating layer (3) and the outer pipe (4) are sequentially arranged outside the working pipe (1); a water leakage detection cable (2) is arranged in the heat insulation layer (3); and a protective layer (41) is arranged outside the outer tube (4).

2. The corrosion-resistant PE-RT II heating pipe according to claim 1, wherein: the material of the working pipe (1) is PE-RT II.

3. The corrosion-resistant PE-RT II heating pipe according to claim 1, wherein: the inner layer (11) is made of polytetrafluoroethylene.

4. The corrosion-resistant PE-RT II heating pipe according to claim 1, wherein: the model of the water leakage detection cable (2) is SW1000B high temperature resistant positioning water leakage induction cable.

5. The corrosion-resistant PE-RT II heating pipe according to claim 1, wherein: the heat-insulating layer (3) is made of EVA closed-cell foam material.

6. The corrosion-resistant PE-RT II heating pipe according to claim 1, wherein: the outer pipe (4) is made of high-density polyethylene.

7. The corrosion-resistant PE-RT II heating pipe according to claim 1, wherein: the protective layer (41) is made of polytetrafluoroethylene.