CN219035825U

CN219035825U - White anti-corrosion resin spraying aluminum alloy plastic-lined PE-RT composite pipe

Info

Publication number: CN219035825U
Application number: CN202223441342.6U
Authority: CN
Inventors: 白雪杰; 张旭来; 刘冬平
Original assignee: Individual
Current assignee: Zhonghong Yuanze Construction Co ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-05-16
Anticipated expiration: 2032-12-22

Abstract

The utility model relates to the technical field of pipes and discloses a white anti-corrosion resin spraying aluminum alloy plastic-lined PE-RT composite pipe which comprises an outer pipe layer, wherein an inner pipe layer is fixedly sleeved inside the outer pipe layer, an outer sleeve layer is fixedly sleeved outside the outer pipe layer, the inner pipe layer comprises a plastic inner pipe, the outer pipe layer comprises a honeycomb structure layer, the outer sleeve layer comprises a plurality of outer sleeves and acid and alkali resistant fluorine rubber sleeves, and white anti-corrosion resin is arranged on the outer end face of the outer side of each outer sleeve. According to the utility model, the outer sleeve layer and the acid and alkali resistant fluorine rubber sleeve layer which are coated with the white anti-corrosion resin are arranged on the outer sleeve layer, so that the corrosion resistance of the outer surface of the aluminum alloy plastic-lined PE-RT composite pipe is improved, the PE-RT composite pipe is more suitable for being used in an acid and alkali corrosion environment, and meanwhile, the honeycomb structure layer is arranged on the outer sleeve layer, so that the pressure applied to one part of the pipe body can be uniformly distributed, and the risk of damage of the local position of the pipe body due to overlarge external collision pressure is reduced.

Description

White anti-corrosion resin spraying aluminum alloy plastic-lined PE-RT composite pipe

Technical Field

The utility model relates to the technical field of pipes, in particular to a PE-RT composite pipe with white anti-corrosion resin sprayed aluminum alloy lining plastic.

Background

The aluminum alloy plastic-lined PE-RT composite pipe is mainly used for medium transmission and is an important component of a medium transmission pipeline system. At present, the structural characteristics of the aluminum alloy plastic-lined PE-RT composite pipe are double-layer composite structures: the outer layer is an aluminum alloy pipe, the inner layer is a polyolefin plastic pipe, and the inner layer and the outer layer are formed by compounding through a special process;

when the aluminum alloy plastic-lined composite pipe is used for medium transmission, the aluminum alloy plastic-lined composite pipe has the advantages of medium corrosion resistance, small heat conductivity coefficient and good conveying performance; however, in practical use, it has been found that there are some drawbacks in the structure, which can be summarized as follows, because the best use effect is not achieved: the general aluminum alloy plastic-lined PE-RT composite pipe can only be applied to an environment without external corrosion, and has limitation when being applied to the use under the environmental conditions with chemical corrosion;

therefore, a white anti-corrosion resin spray coating aluminum alloy plastic-lined PE-RT composite pipe is provided by a person skilled in the art to solve the problems in the prior art.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a white anti-corrosion resin spraying aluminum alloy plastic-lined PE-RT composite pipe.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the white anti-corrosion resin spraying aluminum alloy plastic-lined PE-RT composite pipe comprises an outer pipe layer, wherein an inner pipe layer is fixedly sleeved inside the outer pipe layer, and an outer sleeve layer is fixedly sleeved outside the outer pipe layer;

the inner pipe layer comprises a plastic inner pipe, the outer pipe layer comprises a honeycomb structure layer, the outer sleeve layer comprises a plurality of outer sleeves and acid and alkali resistant fluorine rubber sleeves, and white anti-corrosion resin is arranged on the outer side end face of each outer sleeve;

through the technical scheme, the honeycomb structure layer of the outer pipe layer is subjected to gradual distribution of external bearing pressure due to the special structure of the honeycomb structure layer, the burden on the inner pipe layer is reduced, a protection effect is achieved, and meanwhile, the acid and alkali resistant fluorine rubber sleeve and the white anti-corrosion resin are arranged to wrap the corrosion-prone part inside the composite pipe and protect the corrosion-prone part, so that the defect that the conventional aluminum alloy plastic-lined PE-RT composite pipe is not resistant to acid and alkali corrosion is overcome.

Further, an aluminum alloy inner pipe is fixedly arranged between the plastic inner pipe and the honeycomb structure layer;

through the technical scheme, the aluminum alloy inner pipe provides a protection effect for the plastic inner pipe, wraps the plastic inner pipe and supports the honeycomb structure layer.

Further, an aluminum alloy outer tube is fixedly sleeved between the honeycomb structure layer and the acid and alkali resistant fluorine rubber sleeve, and the outer sleeve is fixedly sleeved outside the aluminum alloy outer tube;

through the technical scheme, the aluminum alloy outer tube provides a protection effect on the inner tube and plays a stand effect at the same time.

Further, the outer sleeve comprises an outer sleeve section, a middle section and a sleeved section, wherein the outer sleeve section and the sleeved section are respectively and fixedly connected to the front end and the rear end of the middle section;

through the technical scheme, the outer sleeve sections and the sleeved sections of the outer sleeve are mutually sleeved, and the length of the outer sleeve is prolonged.

Further, a rubber sealing ring is fixedly arranged in the outer sleeve section near the middle section;

through the technical scheme, the sealing performance among a plurality of outer sleeves is improved.

Further, the inner wall of the outer sleeve section is wound with outer sleeve threads, and the outer part of the sleeve section is wound with inner sleeve threads;

through the technical scheme, the outer sleeve sections and the sleeved sections of the outer sleeves are mutually connected through the outer sleeve threads and the inner sleeve threads.

Further, a plurality of outer sleeves are connected with each other through threads;

through the technical scheme, a plurality of outer sleeves can be connected to a proper length through the head and tail threads, and the lengthening of the composite pipe is not affected.

Further, an aluminum oxide oxygen-isolating layer is arranged on the surface of the aluminum alloy outer tube through anodic oxidation;

through the technical scheme, the aluminum oxide oxygen-isolation layer arranged on the surface of the aluminum alloy outer tube can play a good role in protecting, and the oxygen is isolated from being in direct contact with the aluminum alloy outer tube, so that the service life of the aluminum alloy outer tube is prolonged.

The utility model has the following beneficial effects:

1. according to the white anti-corrosion resin spraying aluminum alloy plastic-lined PE-RT composite pipe provided by the utility model, the outer sleeve layer is provided with the plurality of outer sleeves coated with the white anti-corrosion resin and the acid and alkali resistant fluorine rubber sleeve, so that the corrosion resistance of the outer surface of the aluminum alloy plastic-lined PE-RT composite pipe is improved, the influence of external acid and alkali substances on easily corroded materials in the pipe is avoided, and the composite pipe is more suitable for being used in an acid and alkali corrosion environment.

2. According to the white anti-corrosion resin spraying aluminum alloy plastic-lined PE-RT composite pipe provided by the utility model, the honeycomb structure layer is arranged on the outer pipe layer, the pressure on one part of the pipe body can be distributed step by step, the burden on the inner pipe layer is reduced, the cross section of each honeycomb grid is in a regular hexagon shape, the single inner angle of each single grid is sixty degrees, when the pressure is applied on one point, the inner walls of the multiple grids along the stress direction can be regarded as a stable regular triangle, the bearing capacity on the pressure is larger, meanwhile, the pressure is transmitted to multiple directions along the inner walls of the multiple grids, the pressure born by the pressed part is further distributed, the effect of enhancing the bearing function is achieved, and the risk of damage of the local position of the pipe body due to overlarge external collision pressure is reduced.

Drawings

FIG. 1 is an isometric view of the present utility model;

FIG. 2 is a schematic front view of the present utility model;

FIG. 3 is a schematic illustration of the outer sleeve shaft of the present utility model;

FIG. 4 is a schematic side cross-sectional view of an outer sleeve of the present utility model;

FIG. 5 is an enlarged schematic view of the structure of the present utility model at A;

FIG. 6 is an enlarged schematic view of the structure of the present utility model at B.

Legend description:

1. an inner tube layer; 2. an outer tube layer; 3. a jacket layer; 4. an outer sleeve; 5. a jacket section; 6. an intermediate section; 7. sleeving the section; 8. a jacket thread; 9. an inner sleeve thread; 10. a rubber seal ring; 11. a plastic inner tube; 12. an aluminum alloy inner tube; 13. a honeycomb structure layer; 14. an aluminum alloy outer tube; 15. acid and alkali resistant fluorine rubber sleeve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-6, one embodiment provided by the present utility model is: a white anti-corrosion resin spraying aluminum alloy plastic-lined PE-RT composite pipe comprises an outer pipe layer 2, wherein an inner pipe layer 1 is fixedly sleeved in the outer pipe layer 2, an outer sleeve layer 3 is fixedly sleeved outside the outer pipe layer 2, the outer sleeve layer 4 further protects the inner outer pipe layer 2, the sealing performance of the outer part of a pipe body is enhanced, and external corrosive substances are prevented from entering the composite pipe;

the inner pipe layer 1 comprises a plastic inner pipe 11, the outer pipe layer 2 comprises a honeycomb structure layer 13, the section of the honeycomb structure is regular hexagon which is regularly arranged, when one part is pressed, the pressure can be distributed to the direction of the actual force and a plurality of surrounding honeycomb grids to bear the pressure together, the outer pipe layer 3 comprises a plurality of outer sleeves 4 and acid and alkali resistant fluorine rubber sleeves 15, the outer side end face of each outer sleeve 4 is provided with white anti-corrosion resin, part of sunlight can be effectively radiated, and the temperature is reduced and meanwhile the anti-corrosion effect is achieved;

the honeycomb structure layer 13 of the outer pipe layer 2 distributes the external bearing pressure step by step due to the special honeycomb structure of the honeycomb structure layer, reduces the burden on the inner pipe layer 1, plays a role in protecting, and meanwhile, the arranged acid-alkali-resistant fluorine rubber sleeve 15 and the white anti-corrosion resin wrap the corrosion-prone part inside the composite pipe to protect the corrosion-prone part and make up for the defect that the conventional aluminum alloy plastic-lined PE-RT composite pipe is not resistant to acid and alkali corrosion;

an aluminum alloy inner pipe 12 is fixedly arranged between the plastic inner pipe 11 and the honeycomb structure layer 13, the aluminum alloy inner pipe 12 provides a protection effect for the plastic inner pipe 11, the plastic inner pipe 11 is wrapped, the honeycomb structure layer 13 is supported, an aluminum alloy outer pipe 14 is fixedly sleeved between the honeycomb structure layer 13 and an acid-alkali-resistant fluorine rubber sleeve 15, an outer sleeve 4 is fixedly sleeved outside the aluminum alloy outer pipe 14, the aluminum alloy outer pipe 14 provides a protection effect for the inner pipe and plays a stand effect, the outer sleeve 4 comprises an outer sleeve section 5, a middle section 6 and a sleeved section 7, the outer sleeve section 5 and the sleeved section 7 are respectively and fixedly connected at the front end and the rear end of the middle section 6, the outer sleeve sections 5 and the sleeved section 7 of the outer sleeve 4 are mutually sleeved, the length of the outer sleeve 4 is prolonged, a rubber sealing ring 10 is fixedly arranged at the position of the inner part of the outer sleeve section 5 close to the middle section 6, and the sealing property among the outer sleeves 4 is improved;

the inner wall winding of the outer sleeve section 5 is provided with the outer sleeve thread 8, the outer winding of the sleeved section 7 is provided with the inner sleeve thread 9, the outer sleeve sections 5 and the sleeved sections 7 of the outer sleeves 4 are mutually connected through the outer sleeve thread 8 and the inner sleeve thread 9, the head and tail threads of the outer sleeves 4 can be connected to a proper length through the threaded connection arrangement of the outer sleeves 4, the lengthening of the composite pipe is not affected, the surface of the aluminum alloy outer pipe 14 is provided with the aluminum oxide oxygen-isolating layer through anodic oxidation, the aluminum oxide oxygen-isolating layer is arranged on the surface of the aluminum alloy outer pipe 14, a good protection effect can be achieved, oxygen is isolated from being in direct contact with the aluminum alloy outer pipe 14, and the service life is prolonged.

Example 2

Referring to fig. 5, one embodiment provided by the present utility model: the honeycomb structure layer 13 of the outer tube layer 2 is used for carrying out gradual distribution on external bearing pressure due to the special structure of the honeycomb package, so that the burden on the inner tube layer 1 is reduced, when each single internal angle of each single unit cell of the honeycomb grid is sixty degrees and is subjected to pressure at one point, the inner walls of the plurality of unit grids along the stress direction can be regarded as a stable right triangle, the bearing capacity on the pressure is larger, meanwhile, the pressure is transmitted to a plurality of directions along the inner walls of the plurality of unit grids, and the bearing pressure at the bearing position is further distributed, so that the effect of enhancing the bearing function is achieved.

Working principle: when the PE-RT composite pipe is used, the outer sleeve layer 3 arranged outside the outer pipe layer 2 is provided with the outer sleeves 4 sprayed with the white anti-corrosion resin and the acid-alkali resistant fluorine rubber sleeve 15, so that the corrosion resistance of the outer surface of the PE-RT composite pipe is improved, meanwhile, the honeycomb structure layer 13 is arranged on the outer pipe layer 2 to distribute the pressure applied at one point to a plurality of directions horizontally and vertically, and the pressure applied at one position of the pipe body can be uniformly distributed.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model 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, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a white anticorrosive resin spraying aluminum alloy lining plastic PE-RT composite pipe, includes outer tube layer (2), its characterized in that: an inner pipe layer (1) is fixedly sleeved inside the outer pipe layer (2), and an outer sleeve layer (3) is fixedly sleeved outside the outer pipe layer (2);

the inner tube layer (1) comprises a plastic inner tube (11), the outer tube layer (2) comprises a honeycomb structure layer (13), the outer sleeve layer (3) comprises a plurality of outer sleeves (4) and acid and alkali resistant fluorine rubber sleeves (15), and white anti-corrosion resin is arranged on the outer side end face of each outer sleeve (4).

2. The white anti-corrosion resin sprayed aluminum alloy plastic-lined PE-RT composite pipe according to claim 1, wherein the pipe is characterized in that: an aluminum alloy inner pipe (12) is fixedly arranged between the plastic inner pipe (11) and the honeycomb structure layer (13).

3. The white anti-corrosion resin sprayed aluminum alloy plastic-lined PE-RT composite pipe according to claim 1, wherein the pipe is characterized in that: an aluminum alloy outer tube (14) is fixedly sleeved between the honeycomb structure layer (13) and the acid and alkali resistant fluorine rubber sleeve (15), and the outer sleeve (4) is fixedly sleeved outside the aluminum alloy outer tube (14).

4. The white anti-corrosion resin sprayed aluminum alloy plastic-lined PE-RT composite pipe according to claim 1, wherein the pipe is characterized in that: the outer sleeve (4) comprises an outer sleeve section (5), a middle section (6) and a sleeved section (7), and the outer sleeve section (5) and the sleeved section (7) are respectively and fixedly connected to the front end and the rear end of the middle section (6).

5. The white anti-corrosion resin sprayed aluminum alloy plastic-lined PE-RT composite pipe according to claim 4, wherein the pipe is characterized in that: a rubber sealing ring (10) is fixedly arranged in the outer sleeve section (5) close to the middle section (6).

6. The white anti-corrosion resin sprayed aluminum alloy plastic-lined PE-RT composite pipe according to claim 4, wherein the pipe is characterized in that: the inner wall of the outer sleeve section (5) is provided with an outer sleeve thread (8) in a winding manner, and the outer part of the sleeved section (7) is provided with an inner sleeve thread (9) in a winding manner.

7. The white anti-corrosion resin sprayed aluminum alloy plastic-lined PE-RT composite pipe according to claim 1, wherein the pipe is characterized in that: the outer sleeves (4) are connected with each other through threads.

8. A white corrosion resistant resin sprayed aluminum alloy plastic lined PE-RT composite pipe according to claim 3, wherein: the surface of the aluminum alloy outer tube (14) is provided with an aluminum oxide oxygen-isolation layer through anodic oxidation.