CN214331903U - PPR composite heat-insulating pipe - Google Patents
PPR composite heat-insulating pipe Download PDFInfo
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- CN214331903U CN214331903U CN202021933917.4U CN202021933917U CN214331903U CN 214331903 U CN214331903 U CN 214331903U CN 202021933917 U CN202021933917 U CN 202021933917U CN 214331903 U CN214331903 U CN 214331903U
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Abstract
The utility model relates to the technical field of pipelines, in particular to a PPR composite heat preservation pipe, which comprises an innermost working steel pipe, wherein an aluminum foil layer, a silencing layer and a polyphenyl ether layer are sequentially arranged on the outer side of the working steel pipe from inside to outside, a supporting filling layer is arranged on the outer side of the polyphenyl ether layer, a rubber support is wrapped on the outer part of the supporting filling layer, a polyurethane heat preservation layer is wrapped on the outer part of the rubber support, a reinforcing layer is wrapped on the outer part of the polyurethane heat preservation layer, and a protective steel pipe is wrapped on the outer part of the reinforcing layer; the PPR composite heat-insulating pipe provided by the utility model can electrify the electric heating wire when the environmental temperature is too low, and the heat of the electric heating wire greatly improves the heat-insulating effect; the aerogel layer, the polyurethane heat-insulating layer and the foamed polyethylene heat-insulating layer are arranged, and the heat-insulating effect of the heat-insulating pipe is greatly improved by the superposition of the three heat-insulating layers; through the protection steel pipe, floor, elasticity rubber tube and the enhancement layer that set up, have improved the intensity of insulating tube when having pipe fitting elasticity concurrently.
Description
Technical Field
The utility model relates to the technical field of pipelines, concretely relates to PPR composite insulation pipe.
Background
The PP-R (polypropylene random) pipe is also called as a three-type polypropylene pipe, a polypropylene copolymer pipe or a PPR pipe, has the advantages of energy conservation, material conservation, environmental protection, light weight, high strength, corrosion resistance, smooth inner wall, no scaling, simple and convenient construction and maintenance, long service life and the like, and is widely applied to the building industry, municipal administration, industry and agricultural fields of building water supply and drainage, urban and rural water supply and drainage, urban gas, electric power and optical cable sheaths, industrial fluid delivery, agricultural irrigation and the like. At present, PPR heat preservation pipelines are widely used on household water heaters, but the heat preservation pipelines used at present are generally wrapped with heat preservation cotton at the peripheries of the pipelines, and the heat preservation effect in the existing heat preservation pipelines is not good.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to solve the technical problems that: provides a PPR composite thermal insulation pipe.
In order to solve the technical problem, the utility model discloses a technical scheme be: a PPR composite heat-insulating pipe comprises an innermost working steel pipe, wherein an aluminum foil layer, a silencing layer and a polyphenyl ether layer are sequentially arranged on the outer side of the working steel pipe from inside to outside, metal strips and electric heating wires positioned in the metal strips are uniformly arranged on the outer wall of the working steel pipe, a supporting filling layer is arranged on the outer side of the polyphenyl ether layer, a plurality of rib plates extending along the axial direction are uniformly arranged inside the supporting filling layer, a foamed polyethylene heat-insulating layer is filled between the rib plates and the rib plates, a rubber support is wrapped outside the supporting filling layer, a plurality of elastic rubber pipes are arranged on the outer wall of the rubber support along the circumferential direction, a polyurethane heat-insulating layer is wrapped outside the rubber support, polyurethane foam is filled in a cavity formed between the polyurethane heat-insulating layer and the rubber support, a reinforcing layer is wrapped outside the polyurethane heat-insulating layer, and a plurality of reinforcing ribs are arranged inside the reinforcing layer, and the outside of the reinforcing layer is wrapped with a protective steel pipe.
The silencing layer is made of a sound absorption plate material, and a plurality of sound absorption holes are formed in the silencing layer.
Wherein, the outer wall parcel of protection steel pipe has the aluminium foil reflection stratum.
The outer diameter of the working steel pipe is the same as the inner diameter of the aluminum foil layer, strip-shaped grooves corresponding to each other are formed in the outer wall of the working steel pipe and the inner wall of the aluminum foil layer, and the metal strips are installed in the strip-shaped grooves.
And the outer walls of the working steel pipe and the protective steel pipe are both provided with anticorrosive coatings.
The beneficial effects of the utility model reside in that: the utility model provides a PPR composite heat preservation pipe, when ambient temperature is low excessively, can be with the circular telegram of electric heat line, the heat of electric heat line passes through the metal strip and transmits to the work steel pipe on, improves the heat preservation effect by a wide margin, and the electric heat line can adopt the silica gel electric heat line, and it mainly comprises alloy heating wire and silicon rubber high temperature insulation cloth, has characteristics such as fast, the temperature is even, the thermal efficiency is high, toughness is good of generating heat; the aerogel layer, the polyurethane heat-insulating layer and the foamed polyethylene heat-insulating layer are arranged, and the heat-insulating effect of the heat-insulating pipe is greatly improved and the heat loss is reduced due to the superposition of the three heat-insulating layers; through protection steel pipe, floor, elastic rubber pipe and the enhancement layer that sets up, great improvement the intensity of insulating tube when having pipe fitting elasticity concurrently, the result of use is better.
Drawings
FIG. 1 is a cross-sectional view of a PPR composite insulating pipe according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a PPR composite thermal insulation pipe according to an embodiment of the present invention;
description of reference numerals:
1. working steel pipes; 11. a metal strip; 2. an aluminum foil layer; 3. a sound-deadening layer; 4. a polyphenylene ether layer; 5. supporting the filling layer; 51. a rib plate; 52. a foamed polyethylene heat-insulating layer; 6. a rubber support; 61. a rubber tube; 7. a polyurethane heat-insulating layer; 8. a reinforcing layer; 81. reinforcing ribs; 9. and protecting the steel pipe.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 and 2, the PPR composite thermal insulation pipe of the present invention includes an innermost working steel pipe 1, an aluminum foil layer 2, a noise reduction layer 3 and a polyphenylene ether layer 4 are sequentially disposed on an outer side of the working steel pipe 1 from inside to outside, a metal bar 11 and an electric heating wire disposed in the metal bar 11 are uniformly disposed on an outer wall of the working steel pipe 1, a supporting and filling layer 5 is disposed on an outer side of the polyphenylene ether layer 4, a plurality of ribs 51 extending in an axial direction are uniformly disposed inside the supporting and filling layer 5, a foamed polyethylene thermal insulation layer 52 is filled between the ribs 51 and the ribs 51, a rubber support 6 is wrapped on the outer wall of the supporting and filling layer 5, a plurality of elastic rubber pipes 61 are circumferentially disposed on the outer wall of the rubber support 6, a polyurethane thermal insulation layer 7 is wrapped on the outer wall of the rubber support 6, and polyurethane foam is filled in a cavity formed between the polyurethane thermal insulation layer 7 and the rubber support 6, the polyurethane heat-insulating layer 7 is externally wrapped with a reinforcing layer 8, a plurality of reinforcing ribs 81 are arranged inside the reinforcing layer 8, and the reinforcing layer 8 is externally wrapped with a protective steel pipe 9.
As can be seen from the above description, the utility model has the advantages that: the utility model provides a PPR composite heat preservation pipe, when ambient temperature is low excessively, can be with the circular telegram of electric heat line, the heat of electric heat line passes through the metal strip and transmits to the work steel pipe on, improves the heat preservation effect by a wide margin, and the electric heat line can adopt the silica gel electric heat line, and it mainly comprises alloy heating wire and silicon rubber high temperature insulation cloth, has characteristics such as fast, the temperature is even, the thermal efficiency is high, toughness is good of generating heat; the aerogel layer, the polyurethane heat-insulating layer and the foamed polyethylene heat-insulating layer are arranged, and the heat-insulating effect of the heat-insulating pipe is greatly improved and the heat loss is reduced due to the superposition of the three heat-insulating layers; through protection steel pipe, floor, elastic rubber pipe and the enhancement layer that sets up, great improvement the intensity of insulating tube when having pipe fitting elasticity concurrently, the result of use is better.
Furthermore, the sound-absorbing layer 3 is made of a sound-absorbing plate material, and a plurality of sound-absorbing holes are formed in the sound-absorbing layer 3.
Further, the outer wall of the protective steel pipe 9 is wrapped with an aluminum foil reflecting layer.
Further, the external diameter of work steel pipe 1 is the same with the internal diameter of aluminium foil layer 2, be equipped with the bar groove that corresponds each other on the outer wall of work steel pipe 1 and the inner wall of aluminium foil layer 2, metal strip 11 install in the bar inslot.
Furthermore, the outer walls of the working steel pipe 1 and the protective steel pipe 9 are both provided with an anticorrosive coating.
Referring to fig. 1 and fig. 2, a first embodiment of the present invention is:
the utility model provides a PPR composite heat preservation pipe, includes innermost work steel pipe 1, the outside of work steel pipe 1 has set gradually aluminium foil layer 2, amortization layer 3 and polyphenyl ether layer 4 from inside to outside, evenly be equipped with metal strip 11 on the outer wall of work steel pipe 1 and be located the electric heat line in the metal strip 11, polyphenyl ether layer 4 outside is provided with supports filling layer 5, support filling layer 5 inside evenly be provided with a plurality of ribbed slabs 51 along axial extension, it has foaming polyethylene heat preservation 52 to fill between ribbed slab 51 and the ribbed slab 51, it has rubber support 6 to support the outside parcel of filling layer 5, be equipped with a plurality of elastic rubber pipe 61 along circumference on the outer wall of rubber support 6, the outside parcel of rubber support 6 has polyurethane heat preservation 7, it has the foam to fill in the cavity that forms between polyurethane heat preservation 7 and the rubber support 6, a reinforcing layer 8 wraps the outer part of the polyurethane heat-insulating layer 7, a plurality of reinforcing ribs 81 are arranged inside the reinforcing layer 8, and a protective steel pipe 9 wraps the outer part of the reinforcing layer 8;
the silencing layer 3 is made of a sound absorbing plate material, and a plurality of sound absorbing holes are formed in the silencing layer 3;
the outer wall of the protective steel pipe 9 is wrapped with an aluminum foil reflecting layer;
the outer diameter of the working steel pipe 1 is the same as the inner diameter of the aluminum foil layer 2, the outer wall of the working steel pipe 1 and the inner wall of the aluminum foil layer 2 are provided with strip-shaped grooves corresponding to each other, and the metal strips 11 are arranged in the strip-shaped grooves;
and the outer walls of the working steel pipe 1 and the protective steel pipe 9 are both provided with an anticorrosive coating.
To sum up, when the environmental temperature is too low, the PPR composite heat-insulating pipe provided by the utility model can electrify the electric heating wire, the heat of the electric heating wire is transferred to the working steel pipe through the metal strip, the heat-insulating effect is greatly improved, the electric heating wire can adopt a silica gel electric heating wire which mainly comprises an alloy electric heating wire and a silica gel high-temperature insulating cloth, and the PPR composite heat-insulating pipe has the characteristics of quick heating, uniform temperature, high heat efficiency, good toughness and the like; the aerogel layer, the polyurethane heat-insulating layer and the foamed polyethylene heat-insulating layer are arranged, and the heat-insulating effect of the heat-insulating pipe is greatly improved and the heat loss is reduced due to the superposition of the three heat-insulating layers; through protection steel pipe, floor, elastic rubber pipe and the enhancement layer that sets up, great improvement the intensity of insulating tube when having pipe fitting elasticity concurrently, the result of use is better.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (4)
1. The PPR composite heat-insulating pipe is characterized by comprising an innermost working steel pipe, wherein an aluminum foil layer, a silencing layer and a polyphenyl ether layer are sequentially arranged on the outer side of the working steel pipe from inside to outside, metal strips and electric heating wires positioned in the metal strips are uniformly arranged on the outer wall of the working steel pipe, a supporting filling layer is arranged on the outer side of the polyphenyl ether layer, a plurality of rib plates extending along the axial direction are uniformly arranged inside the supporting filling layer, a foamed polyethylene heat-insulating layer is filled between each rib plate and each rib plate, a rubber support is wrapped outside the supporting filling layer, a plurality of elastic rubber pipes are arranged on the outer wall of the rubber support along the circumferential direction, a polyurethane heat-insulating layer is wrapped outside the rubber support, polyurethane foam is filled in a cavity formed between the polyurethane heat-insulating layer and the rubber support, and a reinforcing layer is wrapped outside the polyurethane heat-insulating layer, a plurality of reinforcing ribs are arranged inside the reinforcing layer, and a protective steel pipe is wrapped outside the reinforcing layer;
the outer diameter of the working steel pipe is the same as the inner diameter of the aluminum foil layer, strip-shaped grooves corresponding to each other are formed in the outer wall of the working steel pipe and the inner wall of the aluminum foil layer, and the metal strips are installed in the strip-shaped grooves.
2. The PPR composite thermal insulating pipe according to claim 1, wherein said sound-absorbing layer is made of sound-absorbing board material, and said sound-absorbing layer is provided with sound-absorbing holes.
3. The PPR composite insulating pipe according to claim 1, wherein said protective steel pipe is wrapped with a reflective layer of aluminum foil.
4. The PPR composite thermal insulation pipe according to claim 1, wherein the outer walls of the working steel pipe and the protective steel pipe are provided with anti-corrosion coatings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021933917.4U CN214331903U (en) | 2020-09-07 | 2020-09-07 | PPR composite heat-insulating pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021933917.4U CN214331903U (en) | 2020-09-07 | 2020-09-07 | PPR composite heat-insulating pipe |
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| Publication Number | Publication Date |
|---|---|
| CN214331903U true CN214331903U (en) | 2021-10-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021933917.4U Active CN214331903U (en) | 2020-09-07 | 2020-09-07 | PPR composite heat-insulating pipe |
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| CN (1) | CN214331903U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114233980A (en) * | 2021-12-31 | 2022-03-25 | 六安中财管道科技有限公司 | Heat preservation type pipe that unfreezes with obturator foaming heat preservation |
-
2020
- 2020-09-07 CN CN202021933917.4U patent/CN214331903U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114233980A (en) * | 2021-12-31 | 2022-03-25 | 六安中财管道科技有限公司 | Heat preservation type pipe that unfreezes with obturator foaming heat preservation |
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