CN216447571U

CN216447571U - High-temperature-resistant insulating ppr pipe

Info

Publication number: CN216447571U
Application number: CN202123074410.5U
Authority: CN
Inventors: 伍炎鑫; 申耀威; 周扬; 林围; 杨波
Original assignee: Rifeng Enterprise Huangshi Co ltd
Current assignee: Rifeng Enterprise Huangshi Co ltd
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2022-05-06
Anticipated expiration: 2031-12-09

Abstract

The utility model discloses a high-temperature-resistant insulating ppr pipe, relates to the technical field of ppr pipes, and aims to solve the problems that a high-temperature-resistant structure of an existing high-temperature-resistant ppr pipe and a ppr pipe main body are of an integrated structure, if the high-temperature-resistant structure is damaged, a pipe body needs to be integrally replaced, and the cost is high. The PVC pipe sleeve is installed to the outside top of ppr pipe main part, PVC cladding pipe sleeve is installed down to the outside below of ppr pipe main part, all install heat preservation rock wool inside lining on going up PVC cladding pipe sleeve and the inner wall of PVC cladding pipe sleeve down, go up PVC cladding pipe sleeve and all install the connection piece with the both ends of PVC cladding pipe sleeve down, and connection piece and last PVC cladding pipe sleeve and PVC cladding pipe sleeve integrated into one piece setting down, be provided with the installation through-hole on the connection piece, it is adjacent through bolted connection between the installation through-hole of connection piece.

Description

High-temperature-resistant insulating ppr pipe

Technical Field

The utility model relates to the technical field of ppr pipes, in particular to a high-temperature-resistant insulating ppr pipe.

Background

The ppr is the abbreviation of polypropylene type III, also called polypropylene random copolymer pipe, adopts a hot welding mode, has special welding and cutting tools and has higher plasticity. The heat-insulating layer is generally used, has good heat-insulating property and does not comprise a joint of an inner thread and an outer thread. The method is mainly used for embedding walls or deep well embedded pipes. The composite material has moderate price, and has the characteristics of stable service performance, heat resistance, heat preservation, corrosion resistance, smooth inner wall and no scale.

However, the high-temperature resistant structure of the existing high-temperature resistant ppr pipe is integrated with the main body of the ppr pipe, and if the high-temperature resistant structure is damaged, the pipe body needs to be replaced integrally, so that the cost is high; we therefore propose a high temperature resistant insulating ppr tube in order to solve the problems set out above.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-temperature-resistant insulating ppr pipe, and aims to solve the problems that a high-temperature-resistant structure of the existing high-temperature-resistant ppr pipe and a ppr pipe main body are of an integrated structure, and if the high-temperature-resistant structure is damaged, a pipe body needs to be integrally replaced, and the cost is high.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a high temperature resistant insulating ppr pipe, includes ppr pipe main part, PVC cladding pipe box is installed to the outside top of ppr pipe main part, PVC cladding pipe box is installed down to the outside below of ppr pipe main part, all install heat preservation rock wool inside lining on going up PVC cladding pipe box and the inner wall of PVC cladding pipe box down, go up PVC cladding pipe box and all install the connection piece with the both ends of PVC cladding pipe box down, and the connection piece sets up with last PVC cladding pipe box and PVC cladding pipe box integrated into one piece down.

Preferably, the connecting pieces are provided with mounting through holes, and the mounting through holes of the adjacent connecting pieces are connected through bolts.

Preferably, the outer walls of the upper PVC coated pipe sleeve and the lower PVC coated pipe sleeve are both provided with corrosion-resistant layers.

Preferably, the outer walls of the two ends of the ppr pipe main body are provided with positioning lugs, and positioning grooves are formed in the inner parts of the two ends of the upper PVC coating pipe sleeve and the two ends of the lower PVC coating pipe sleeve.

Preferably, the ppr pipe body comprises an outer wall layer of the ppr pipe, an inner wall layer of the ppr pipe and a reinforcing layer, and the reinforcing layer is arranged between the outer wall layer of the ppr pipe and the inner wall layer of the ppr pipe.

Preferably, the strengthening layer includes wire net and framework of steel reinforcement, framework of steel reinforcement is provided with eight, and eight framework of steel reinforcement annular distributions, and the wire net welds between adjacent framework of steel reinforcement.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model arranges the upper PVC coating pipe sleeve and the lower PVC coating pipe sleeve outside the ppr pipe main body, the upper PVC coating pipe sleeve and the lower PVC coating pipe sleeve are fixedly connected by connecting sheets and bolts at two ends, the inner walls of the upper PVC coating pipe sleeve and the lower PVC coating pipe sleeve are both provided with the heat preservation rock wool inner lining, in the using process, the PVC coating pipe sleeve is adopted as the outer pipe, the PVC coating pipe sleeve has the characteristics of high strength, weather resistance and insulation flame retardance, so the service life of the outer layer of the pipeline can be ensured, the heat preservation rock wool inner lining of the inner wall of the sleeve is matched for use, the pipeline has higher high temperature resistance, when the outer part of the pipeline is damaged, only the damaged sleeve part needs to be disassembled, the sleeve is singly replaced, the maintenance cost is greatly reduced, the problem that the existing high temperature resistant ppr pipe is solved, the high temperature resistant structure of the existing high temperature resistant pipe sleeve and the ppr pipe main body are of an integral structure, if the high temperature resistant structure is damaged, the pipe body needs to be replaced integrally, and the cost is high.

2. Through setting up the strengthening layer in the inside of ppr pipe main part, the strengthening layer adopts many steel reinforcement framework and wire net combination to form, and both synergism can improve the pipe wall tension of ppr pipe, and the withstand voltage and the tensile of reinforcing pipeline are dragged the performance.

Drawings

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

FIG. 2 is a schematic structural view of the PVC coated pipe sleeve of the present invention in a disassembled state;

FIG. 3 is a schematic view of a stiffening layer structure according to the present invention;

FIG. 4 is a schematic view of the internal structure of the PVC coated pipe sleeve of the present invention;

in the figure: 1. a ppr tube body; 2. an outer wall layer of the ppr pipe; 3. an inner wall layer of the ppr pipe; 4. a reinforcing layer; 5. coating a PVC coating pipe sleeve; 6. coating a pipe sleeve with PVC; 7. connecting sheets; 8. a bolt; 9. the heat preservation rock wool lining; 10. positioning the bump; 11. steel wire mesh; 12. a steel reinforcement cage; 13. a corrosion-resistant layer; 14. positioning a groove; 15. and installing the through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, an embodiment of the present invention is shown: the utility model provides a high temperature resistant insulating ppr pipe, including ppr pipe main part 1, PVC cladding pipe box 5 is installed to the top of ppr pipe main part 1 outside, PVC cladding pipe box 6 is installed down to the below of ppr pipe main part 1 outside, two parts about the cladding pipe box divide into, it is more convenient to make the installation and dismantle, and when the pipeline outside is impaired, only need to change the cladding pipe box of damage part can, need not whole replacement, the cost is practiced thrift, all install heat preservation rock wool inside lining 9 on the inner wall of going up PVC cladding pipe box 5 and PVC cladding pipe box 6 down, heat preservation rock wool inside lining 9 has the characteristic of high-efficient heat preservation and fire prevention, the high temperature resistance of tubular product has been improved, go up PVC cladding pipe box 5 and PVC cladding pipe box 6's both ends down and all install connection piece 7, and connection piece 7 and last PVC cladding pipe box 5 and PVC cladding pipe box 6 integrated into one piece setting down.

Further, be provided with installation through-hole 15 on the connection piece 7, connect through bolt 8 between the installation through-hole 15 of adjacent connection piece 7, go up PVC cladding pipe box 5 and adopt bolt 8 fixed between PVC cladding pipe box 6 down, the dismouting is convenient, externally impaired back need not whole replacement, only change the bushing portion can, reduced the maintenance cost by a wide margin.

Furthermore, the outer walls of the upper PVC coated pipe sleeve 5 and the lower PVC coated pipe sleeve 6 are both provided with the corrosion-resistant layer 13, and the corrosion-resistant layer 13 is an aluminum oxide coating, so that the oxidation resistance of the PVC coated pipe sleeve can be improved, and the service life of the PVC coated pipe sleeve can be prolonged.

Further, all be provided with positioning convex block 10 on the outer wall at ppr pipe main part 1 both ends, go up PVC cladding pipe box 5 and the inside at lower PVC cladding pipe box 6 both ends and all be provided with constant head tank 14, go up PVC cladding pipe box 5 and when PVC cladding pipe box 6 was installed on ppr pipe main part 1 down, accessible positioning convex block 10 and constant head tank 14 realize the initial joint, avoid the installation back pipe box part to take place to remove and deflect, improved sheathed tube stability.

Further, ppr pipe main part 1 includes ppr tub of outer wall layer 2, ppr inside pipe wall layer 3 and strengthening layer 4, and strengthening layer 4 sets up between ppr tub of outer wall layer 2 and ppr inside pipe wall layer 3, and ppr pipe main part 1 adopts the three-layer complex to form, and structural strength is high.

Further, the strengthening layer 4 includes wire net 11 and framework 12, and framework 12 is provided with eight, and eight framework 12 ring distributions, and wire net 11 weld between adjacent framework 12, and wire net 11 and framework 12 synergism in the strengthening layer 4 can improve the pipe wall tension of ppr pipe, and the withstand voltage and the tensile of reinforcing pipeline are dragged the performance.

The working principle is as follows: during the use, this ppr pipe main part 1's both ends and supply channel hot melt sealing connection, ppr pipe main part 1 includes ppr tub of outer wall layer 2, ppr inside

pipe wall layer

3 and 4 three layer construction of reinforcement layer, wherein reinforcement layer 4 adopts many steel reinforcement framework 12 and wire net 11 combination to form, both synergism can improve the pipe wall tension of ppr pipe, the withstand voltage and the tensile of reinforcing pipeline drag the performance, and the outside of ppr pipe main part 1 installs PVC cladding pipe box 5 and PVC cladding pipe box 6 down through bolt 8, PVC cladding pipe box is as the outer tube, high strength has, resistant time and insulating fire-retardant characteristic, the heat preservation rock wool inside lining 9 of cooperation intraductal wall uses, make the pipeline possess higher high temperature resistance, when the pipeline is outside impaired simultaneously, only need dismantle the sleeve part of damage down, it can to change the sleeve pipe alone, the maintenance cost has been reduced by a wide margin.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A high temperature resistant insulating ppr pipe, includes ppr pipe main part (1), its characterized in that: PVC cladding pipe box (5) are installed to the outside top of ppr pipe main part (1), PVC cladding pipe box (6) down are installed to the outside below of ppr pipe main part (1), all install heat preservation rock wool inside lining (9) on going up PVC cladding pipe box (5) and the inner wall of PVC cladding pipe box (6) down, go up PVC cladding pipe box (5) and all install connection piece (7) with the both ends of PVC cladding pipe box (6) down, and connection piece (7) and last PVC cladding pipe box (5) and PVC cladding pipe box (6) integrated into one piece setting down.

2. A high temperature resistant insulated ppr tube according to claim 1, wherein: the connecting pieces (7) are provided with mounting through holes (15), and the mounting through holes (15) of the adjacent connecting pieces (7) are connected through bolts (8).

3. A high temperature resistant insulated ppr tube according to claim 1, wherein: the outer walls of the upper PVC coated pipe sleeve (5) and the lower PVC coated pipe sleeve (6) are both provided with corrosion-resistant layers (13).

4. A high temperature resistant insulated ppr tube according to claim 1, wherein: positioning lugs (10) are arranged on the outer walls of the two ends of the ppr pipe main body (1), and positioning grooves (14) are arranged in the two ends of the upper PVC coating pipe sleeve (5) and the lower PVC coating pipe sleeve (6).

5. A high temperature resistant insulated ppr tube according to claim 1, wherein: the pipe body (1) comprises an outer wall layer (2) of the pipe, an inner wall layer (3) of the pipe and a reinforcing layer (4), and the reinforcing layer (4) is arranged between the outer wall layer (2) of the pipe and the inner wall layer (3) of the pipe.

6. A high temperature resistant insulated ppr tube according to claim 5, wherein: reinforcing layer (4) include wire net (11) and steel reinforcement framework (12), steel reinforcement framework (12) are provided with eight, and eight steel reinforcement framework (12) ring-shaped distributions, and wire net (11) weld between adjacent steel reinforcement framework (12).