CN212131562U - PPR composite heat-insulating pipe - Google Patents
PPR composite heat-insulating pipe Download PDFInfo
- Publication number
- CN212131562U CN212131562U CN202020374170.7U CN202020374170U CN212131562U CN 212131562 U CN212131562 U CN 212131562U CN 202020374170 U CN202020374170 U CN 202020374170U CN 212131562 U CN212131562 U CN 212131562U
- Authority
- CN
- China
- Prior art keywords
- layer
- polyethylene foam
- thermal insulation
- ppr
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 17
- 239000010410 layer Substances 0.000 claims abstract description 84
- -1 polyethylene Polymers 0.000 claims abstract description 50
- 239000004698 Polyethylene Substances 0.000 claims abstract description 47
- 229920000573 polyethylene Polymers 0.000 claims abstract description 47
- 239000006260 foam Substances 0.000 claims abstract description 45
- 238000009413 insulation Methods 0.000 claims abstract description 40
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 31
- 239000010959 steel Substances 0.000 claims abstract description 31
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 26
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229910052751 metal Inorganic materials 0.000 claims abstract description 26
- 239000002184 metal Substances 0.000 claims abstract description 26
- 239000004814 polyurethane Substances 0.000 claims abstract description 16
- 229920002635 polyurethane Polymers 0.000 claims abstract description 16
- 239000011241 protective layer Substances 0.000 claims abstract description 6
- 239000003292 glue Substances 0.000 claims description 18
- 229920001971 elastomer Polymers 0.000 claims description 4
- 238000004321 preservation Methods 0.000 description 43
- 239000004411 aluminium Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 239000011521 glass Substances 0.000 description 7
- 235000019362 perlite Nutrition 0.000 description 4
- 239000010451 perlite Substances 0.000 description 4
- 229920001155 polypropylene Polymers 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 3
- 229910001562 pearlite Inorganic materials 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 241000282887 Suidae Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Abstract
A PPR composite thermal insulation pipe relates to a pipe, comprising a PPR pipe; a first polyethylene foam heat-insulation layer, a steel wire mesh layer, a second polyethylene foam heat-insulation layer, a metal layer, a polyurethane heat-insulation layer and an outer protective layer which are fixed on the PPR pipe are sleeved in sequence from inside to outside; a plurality of evenly distributed aluminum blocks are arranged in the second polyethylene foam heat-insulating layer, the outer wall of each aluminum block is in contact with the outer wall of the metal layer, and the lower end of each aluminum block extends into the steel wire mesh layer. The utility model discloses a design of each layer structure can prevent because of the fried phenomenon of splitting that the temperature drop appears, has advantages such as effectual, the long service life that keeps warm.
Description
Technical Field
The utility model relates to a tubular product, concretely relates to PPR composite insulation pipe.
Background
The PPR pipe is a PP-R (polypropylene random) pipe, also called a three-type polypropylene pipe or a random copolymerization polypropylene pipe, has the advantages of energy conservation, environmental protection, light weight, high strength, corrosion resistance, smooth inner wall, long service life and the like, and is widely applied to the fields of water supply and drainage engineering, gas engineering, electric power engineering, fluid transportation and the like.
The heat preservation pipe is called as a heat insulation pipe for short, is mainly used for conveying liquid, gas and the like, and is widely applied to the field of heat supply. The main problem affecting the service life of the heat preservation pipe is that when the external temperature of the heat preservation pipe is low, the heat preservation pipe is cracked due to the influence of temperature difference, and the heat preservation pipe needs to be maintained or replaced, so that certain economic loss is caused.
At present, the heat preservation effect is realized to current PPR insulating tube mainly adopts and sets up the heat preservation cotton in the pipe wall outside, and the heat preservation effect is not ideal.
SUMMERY OF THE UTILITY MODEL
In order to improve the heat preservation effect of PPR insulating tube, guarantee simultaneously that it can not appear exploding the phenomenon of splitting owing to the temperature difference influence, the utility model provides a PPR composite heat preservation pipe.
The utility model discloses a solve the technical scheme that technical problem adopted as follows:
the utility model discloses a PPR composite insulation pipe, include:
a PPR tube;
a first polyethylene foam heat-insulation layer, a steel wire mesh layer, a second polyethylene foam heat-insulation layer, a metal layer, a polyurethane heat-insulation layer and an outer protective layer which are fixed on the PPR pipe are sleeved in sequence from inside to outside;
a plurality of evenly distributed aluminum blocks are arranged in the second polyethylene foam heat-insulating layer, the outer wall of each aluminum block is in contact with the outer wall of the metal layer, and the lower end of each aluminum block extends into the steel wire mesh layer.
Further, hollow glass micro powder and perlite are filled in the steel wire mesh layer, and the mass ratio of the hollow glass micro powder to the perlite is 3:1.
Furthermore, the outer jacket is made of rubber.
Furthermore, the thickness of the part of the lower end of the aluminum block extending into the steel wire mesh layer is one half of the total thickness of the steel wire mesh layer.
Further, adopt between PPR pipe and the first polyethylene foam heat preservation glue even, adopt between first polyethylene foam heat preservation and the wire stratum reticulare glue even, adopt between wire stratum reticulare and the second polyethylene foam heat preservation glue even, adopt between second polyethylene foam heat preservation and the metal level glue even, adopt between metal level and the polyurethane heat preservation glue even, adopt between polyurethane heat preservation and the outer jacket glue even.
Further, the thickness ratio between the PPR pipe, the first polyethylene foam heat preservation layer, the steel wire mesh layer, the second polyethylene foam heat preservation layer, the metal level, the polyurethane heat preservation layer and the outer protective layer is: 1:0.3:1.5:0.3:0.3:0.5:0.3.
Furthermore, a plurality of aluminum blocks are uniformly distributed along the circumference of the second polyethylene foam heat-insulating layer; and a plurality of aluminum blocks are uniformly distributed along the longitudinal direction of the second polyethylene foam heat-insulating layer.
The utility model has the advantages that:
1. set up first polyethylene foam heat preservation outside the PPR pipe, the steel wire net layer, second polyethylene foam heat preservation and metal level, adopt first polyethylene foam heat preservation as the transition heat preservation between steel wire net layer and the PPR pipe, adopt second polyethylene foam heat preservation as the transition heat preservation between steel wire net layer and the metal level, the steel wire net layer inner and outer ring is lived by first polyethylene foam heat preservation and the parcel of second polyethylene foam heat preservation, play further heat preservation function, prevent that the heat that hollow glass miropowder and the pearlite of steel wire net layer inside were stored from giving off.
2. Through setting up second polyethylene foam insulation layer, metal level and polyurethane insulation layer, the metal level inner and outer ring is lived by second polyethylene foam insulation layer and polyurethane insulation layer parcel, plays further heat preservation function, prevents that the heat that the metal level was stored from giving off.
3. The outer protection layer is arranged on the outermost layer and made of rubber materials, has certain elasticity and can protect the pipe wall.
4. Through the steel wire mesh layer that sets up, hollow glass miropowder and pearlite are filled to steel wire mesh layer inside, and hollow glass miropowder and pearlite have certain heat preservation effect, play further heat retaining effect.
5. By arranging the metal layer, the heat absorption effect can be achieved.
6. Through set up a plurality of aluminium pieces in second polyethylene foam insulation layer, can play heat-conducting effect, the aluminium piece can be with the heat conduction of the inside production of steel mesh layer for the metal level, perhaps with the heat conduction of metal level production inside the steel mesh layer.
7. The utility model discloses a PPR composite insulation pipe heat preservation is effectual, and long service life can prevent because of the fried phenomenon of splitting that the temperature drop appears.
Drawings
Fig. 1 is the cross section structure schematic diagram of a PPR composite thermal insulation pipe of the utility model.
Fig. 2 is the schematic view of the end structure of a PPR composite thermal insulation pipe of the present invention.
Fig. 3 is the vertical internal structure schematic diagram of a PPR composite thermal insulation pipe of the present invention.
In the figure, the heat insulation pipe comprises a PPR pipe 1, a PPR pipe 2, a first polyethylene foam heat insulation layer 3, a steel wire mesh layer 4, a second polyethylene foam heat insulation layer 5, an aluminum block 6, a metal layer 7, a polyurethane heat insulation layer 8 and an outer protection layer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to fig. 3, the utility model discloses a PPR composite thermal insulation pipe mainly includes: PPR pipe 1, first polyethylene foam heat preservation 2, wire net layer 3, second polyethylene foam heat preservation 4, a plurality of aluminium pieces 5, metal level 6, polyurethane heat preservation 7 and outer jacket 8.
First polyethylene foam heat preservation 2, wire net layer 3, second polyethylene foam heat preservation 4, metal level 6, polyurethane heat preservation 7, outer jacket 8 suit in proper order from inside to outside and fix on PPR pipe 1.
Wherein, adopt between PPR pipe 1 and the first polyethylene foam heat preservation 2 glue even, adopt between first polyethylene foam heat preservation 2 and the steel wire netting 3 glue even, adopt between steel wire netting 3 and the second polyethylene foam heat preservation 4 glue even, adopt between the second polyethylene foam heat preservation 4 and the metal level 6 glue even, adopt between metal level 6 and the polyurethane heat preservation 7 glue even, adopt between polyurethane heat preservation 7 and the outer jacket 8 glue even.
Wherein, aluminium pig 5 sets up in second polyethylene foam insulation 4, and 5 evenly distributed of a plurality of aluminium pigs, it is specific: a plurality of aluminum blocks 5 are uniformly distributed along the circumference of the second polyethylene foam insulation layer 4, as shown in figure 1; a plurality of aluminum blocks 5 are uniformly distributed along the longitudinal direction of the second insulating foamed polyethylene layer 4, as shown in fig. 3.
Wherein, the outer wall of aluminium pig 5 and the contact of 6 outer walls of metal level, the lower extreme of aluminium pig 5 stretches into steel wire netting layer 3 to the partial thickness that the 5 lower extremes of aluminium pig stretched into in the steel wire netting layer 3 is half of 3 gross thicknesses of steel wire netting layer.
In the embodiment, the steel wire mesh layer 3 is filled with hollow glass micro powder and perlite, and the mass ratio of the hollow glass micro powder to the perlite is 3:1.
In the present embodiment, the outer jacket 8 is made of rubber.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides a PPR composite insulation pipe which characterized in that includes:
a PPR pipe (1);
a first polyethylene foam heat-insulating layer (2), a steel wire mesh layer (3), a second polyethylene foam heat-insulating layer (4), a metal layer (6), a polyurethane heat-insulating layer (7) and an outer protective layer (8) which are fixed on the PPR pipe (1) are sleeved and fixed in sequence from inside to outside;
a plurality of evenly distributed aluminum blocks (5) arranged in the second polyethylene foam heat-insulating layer (4), the outer wall of each aluminum block (5) is in contact with the outer wall of the metal layer (6), and the lower end of each aluminum block (5) extends into the steel wire mesh layer (3).
2. The PPR composite thermal insulation pipe according to claim 1, wherein the outer sheath (8) is made of rubber.
3. The PPR composite thermal insulation pipe according to claim 1, wherein the thickness of the part of the lower end of the aluminum block (5) extending into the steel wire mesh layer (3) is half of the total thickness of the steel wire mesh layer (3).
4. The PPR composite thermal insulation pipe according to claim 1, wherein the PPR pipe (1) is connected with the first polyethylene foam thermal insulation layer (2) by glue, the first polyethylene foam thermal insulation layer (2) is connected with the steel wire mesh layer (3) by glue, the steel wire mesh layer (3) is connected with the second polyethylene foam thermal insulation layer (4) by glue, the second polyethylene foam thermal insulation layer (4) is connected with the metal layer (6) by glue, the metal layer (6) is connected with the polyurethane thermal insulation layer (7) by glue, and the polyurethane thermal insulation layer (7) is connected with the outer protective layer (8) by glue.
5. The PPR composite thermal insulation pipe according to claim 1, wherein the thickness ratio among the PPR pipe (1), the first polyethylene foam thermal insulation layer (2), the steel wire mesh layer (3), the second polyethylene foam thermal insulation layer (4), the metal layer (6), the polyurethane thermal insulation layer (7) and the outer protective layer (8) is as follows: 1:0.3:1.5:0.3:0.3:0.5:0.3.
6. The PPR composite insulating pipe according to claim 1, wherein a plurality of aluminum blocks (5) are uniformly distributed along the circumference of the second insulating foamed polyethylene layer (4); a plurality of aluminum blocks (5) are uniformly distributed along the longitudinal direction of the second polyethylene foam heat-insulating layer (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020374170.7U CN212131562U (en) | 2020-03-23 | 2020-03-23 | PPR composite heat-insulating pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020374170.7U CN212131562U (en) | 2020-03-23 | 2020-03-23 | PPR composite heat-insulating pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212131562U true CN212131562U (en) | 2020-12-11 |
Family
ID=73670951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020374170.7U Expired - Fee Related CN212131562U (en) | 2020-03-23 | 2020-03-23 | PPR composite heat-insulating pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212131562U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187959A (en) * | 2021-05-25 | 2021-07-30 | 广西国塑管业集团有限公司 | Heat-resistant anti-freezing anti-cracking pipe |
| CN114321518A (en) * | 2021-12-27 | 2022-04-12 | 武汉金牛经济发展有限公司 | Phase-change heat-preservation double-flow water composite pipe containing TPU layer |
-
2020
- 2020-03-23 CN CN202020374170.7U patent/CN212131562U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187959A (en) * | 2021-05-25 | 2021-07-30 | 广西国塑管业集团有限公司 | Heat-resistant anti-freezing anti-cracking pipe |
| CN114321518A (en) * | 2021-12-27 | 2022-04-12 | 武汉金牛经济发展有限公司 | Phase-change heat-preservation double-flow water composite pipe containing TPU layer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201211 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |