CN218883223U

CN218883223U - Heat-resistant PP-R double-layer heat-insulation pipe

Info

Publication number: CN218883223U
Application number: CN202223117847.7U
Authority: CN
Inventors: 楚鑫; 陈贝贝; 曾献崇
Original assignee: Henan Zhongtai Pipe Technology Co ltd
Current assignee: Henan Zhongtai Pipe Technology Co ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-04-18
Anticipated expiration: 2032-11-23

Abstract

The utility model discloses a heat-resistant PP-R double-layer heat preservation pipe, which comprises an outer pipe body which is detachably arranged outside an inner pipe body through a first mounting disc and a second mounting disc; the outer side of the inner pipe body is detachably sleeved with a first mounting disc and a second mounting disc, the outer ends, close to one side, of the first mounting disc and the outer ends, close to one side, of the second mounting disc are provided with protrusions, clamping grooves are formed in the protrusions, the second mounting disc is connected in the clamping grooves in a clamping mode, heat insulation cotton is arranged in a cavity formed by the outer part of the inner pipe body and the inner sides of the outer pipe body, the first mounting disc and the second mounting disc, fastening bolts screwed in the outer pipe body are installed on one sides, far away from each other, of the first mounting disc and the second mounting disc, a heat-resistant layer is arranged on the inner side of the inner pipe body, the heat-resistant PP-R double-layer heat insulation pipe is of a double-layer structure, the heat insulation effect is improved, the detachable structure is arranged between the inner pipe body and the outer pipe body, the inner pipe body is convenient to detach and maintain, and the maintenance cost is greatly reduced.

Description

Heat-resistant PP-R double-layer heat-insulation pipe

Technical Field

The utility model belongs to the technical field of PP-R insulating tube, especially, relate to a double-deck insulating tube of heat-resistant type PP-R.

Background

The PP-R pipe, also known as a tripropylene polypropylene pipe, a random copolymer polypropylene pipe or a PPR pipe, is a pipe made of random copolymer polypropylene, is a building pipe newly developed in the current international pipe development history, has the advantages of light weight, corrosion resistance, no scaling, long service life and the like, and is very widely applied.

At present, most of the existing PP-R pipes are of single-layer structures, the heat preservation and heat resistance of the pipes are poor, and when the pipes are overhauled, the whole pipeline needs to be completely disassembled, so that the labor intensity of workers is improved, and the maintenance cost is also improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems existing in the prior art, the utility model provides a heat-resistant PP-R double-layer heat preservation pipe adopts bilayer structure, has improved the heat preservation effect, and is the detachable structure between interior body and the outer body, is convenient for dismantle the maintenance to interior body, greatly reduced the maintenance cost.

In order to achieve the above object, the utility model provides a following technical scheme:

a heat-resistant PP-R double-layer heat-insulation pipe comprises an outer pipe body which is detachably arranged outside an inner pipe body through a first mounting disc and a second mounting disc; the outer side of the inner pipe body is detachably sleeved with a first mounting disc and a second mounting disc, the outer ends, close to one side, of the first mounting disc and the outer ends, close to one side, of the second mounting disc are provided with protrusions, clamping grooves are formed in the protrusions, the second mounting disc is connected in the clamping grooves in a clamping mode, heat insulation cotton is arranged in a cavity formed by the outer part of the inner pipe body and the inner sides of the outer pipe body, the first mounting disc and the second mounting disc, fastening bolts screwed in the outer pipe body are installed on one sides, far away from each other, of the first mounting disc and the second mounting disc, a heat-resistant layer is arranged on the inner side of the inner pipe body, the heat-resistant layer is a ceramic fiber pipe, a double-layer structure is adopted, the heat insulation effect is improved, the inner pipe body and the outer pipe body are of a detachable structure, the inner pipe body can be conveniently detached and maintained, the maintenance cost is greatly reduced, and the heat resistance of the inner pipe body for conveying fluid is greatly improved by arranging the heat-resistant layer in the inner pipe body.

Furthermore, the outside of outer body is equipped with fire-retardant layer, fire-retardant layer is the polyurethane pipe, through set up fire-retardant layer in the outer body outside, has improved the flame retardant efficiency of outer body, has improved the security when using.

Furthermore, the first mounting disc and the inner pipe body, the second mounting disc and the inner pipe body are provided with sealing rings at the sleeve joint, the sealing performance of the connection between the first mounting disc and the inner pipe body is improved by the arrangement of the sealing rings, and the heat preservation effect of fluid in the inner pipe body is guaranteed.

Compared with the prior art, the beneficial effects of the utility model are that: adopt bilayer structure, the heat preservation effect is improved, and interior body and outer body are the detachable structure, be convenient for dismantle the maintenance to interior body, greatly reduced the maintenance cost, through setting up the heat-resistant layer in including the body, the heat resistance of interior body to fluid transport has been improved greatly, through setting up fire-retardant layer in the body outside outward, the flame retardant efficiency of outer body has been improved, the security when having improved the use, through setting up the sealing washer, first mounting disc has been improved, the leakproofness of second mounting disc and interior body coupling, the heat preservation effect of fluid in the interior body has been guaranteed.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: the pipe comprises an inner pipe body 1, an outer pipe body 2, a first mounting disc 3, a second mounting disc 4, a clamping groove 5, a fastening bolt 6, heat-insulating cotton 7, a sealing ring 8, a heat-resistant layer 9 and a flame-retardant layer 10.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1, the heat-resistant PP-R double-layer heat preservation pipe comprises an outer pipe body 2 which is detachably arranged outside an inner pipe body 1 through a first mounting disc 3 and a second mounting disc 4; the outside of interior body 1 can be dismantled and cup jointed first mounting disc 3 and second mounting disc 4, first mounting disc 3 and second mounting disc 4 all are equipped with the arch near the outer end of one side each other, draw-in groove 5 has all been seted up to this arch department, the joint has second mounting disc 4 in the draw-in groove 5, the outside and outer body 2 of interior body 1, first mounting disc 3, be equipped with heat preservation cotton 7 in the cavity that the inboard of second mounting disc 4 formed, fastening bolt 6 of spiro union in outer body 2 is all installed to one side that first mounting disc 3 and second mounting disc 4 kept away from each other, the inboard of interior body 1 is equipped with heat-resistant layer 9, heat-resistant layer 9 is the ceramic fiber pipe, adopt bilayer structure, the heat preservation effect has been improved, and interior body 1 and outer body 2 are detachable structure, be convenient for dismantling the maintenance to interior body 1, greatly reduced the maintenance cost, through set up heat-resistant layer 9 in interior body 1, the heat resistance of interior body 1 transport has been improved greatly.

The outside of outer body 2 is equipped with fire-retardant layer 10, and fire-retardant layer 10 is the polyurethane pipe, through set up fire-retardant layer 10 in the outer body 2 outside, has improved the flame retardant efficiency of outer body 2, has improved the security when using.

First mounting disc 3 and interior body 1, second mounting disc 4 and interior body 1's the department of cup jointing all is equipped with sealing washer 8, through setting up sealing washer 8, has improved the leakproofness that first mounting disc 3, second mounting disc 4 and interior body 1 are connected, has guaranteed the heat preservation effect to fluidic in the body 1.

The working principle is as follows: when the internal body 2 needs to be disassembled for maintenance, the fastening bolt 6 is taken down, then the first mounting disc 3 and the second mounting disc 4 are taken down, at the moment, the internal body 1 can be taken out from the external body 2, the internal body 1 and the external body 2 are of a detachable structure, the internal body 1 is convenient to disassemble and maintain, the maintenance cost is greatly reduced, a double-layer structure is adopted, the heat preservation effect is improved, a heat-resistant layer 9 is arranged in the internal body 1, the heat resistance of the internal body 1 for fluid conveying is greatly improved, a flame-retardant layer 10 is arranged outside the external body 2, the flame-retardant effect of the external body 2 is improved, the safety in use is improved, a sealing ring 8 is arranged, the first mounting disc 3 is improved, the sealing performance of the second mounting disc 4 and the internal body 1 is improved, and the heat preservation effect of fluid in the internal body 1 is ensured.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims

1. The utility model provides a double-deck insulating tube of heat-resisting type PP-R, includes through first mounting disc and second mounting disc demountable installation in the external outer body of interior body, its characterized in that: the outer side of the inner pipe body is detachably sleeved with a first mounting disc and a second mounting disc, the outer ends, close to one side, of the first mounting disc and the outer ends, close to one side, of the second mounting disc are provided with protrusions, clamping grooves are formed in the protrusions, the second mounting disc is connected in the clamping grooves in a clamping mode, heat insulation cotton is arranged in cavities formed in the outer portion of the inner pipe body and the inner sides of the outer pipe body, the first mounting disc and the second mounting disc, fastening bolts screwed into the outer pipe body are installed on one side, away from each other, of the first mounting disc and the second mounting disc, the inner side of the inner pipe body is provided with a heat-resistant layer, and the heat-resistant layer is a ceramic fiber pipe.

2. The heat-resistant PP-R double-layer heat-insulating pipe as claimed in claim 1, wherein: the outer side of the outer tube body is provided with a flame-retardant layer, and the flame-retardant layer is a polyurethane tube.

3. The heat-resistant PP-R double-layer heat-insulating pipe as claimed in claim 1, wherein: and the sleeving parts of the first mounting disc and the inner pipe body, the second mounting disc and the inner pipe body are respectively provided with a sealing ring.