CN203809955U - Novel heat insulation pipeline - Google Patents
Novel heat insulation pipeline Download PDFInfo
- Publication number
- CN203809955U CN203809955U CN201320697550.4U CN201320697550U CN203809955U CN 203809955 U CN203809955 U CN 203809955U CN 201320697550 U CN201320697550 U CN 201320697550U CN 203809955 U CN203809955 U CN 203809955U
- Authority
- CN
- China
- Prior art keywords
- layer
- heat insulation
- outer protective
- barrier layer
- gas
- 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 - Lifetime
Links
- 238000009413 insulation Methods 0.000 title claims abstract description 88
- 239000010410 layer Substances 0.000 claims abstract description 211
- 230000004888 barrier function Effects 0.000 claims abstract description 78
- 239000011241 protective layer Substances 0.000 claims abstract description 65
- 239000000463 material Substances 0.000 claims description 33
- 229920003023 plastic Polymers 0.000 claims description 31
- 239000004033 plastic Substances 0.000 claims description 31
- -1 polyethylene terephthalate Polymers 0.000 claims description 23
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 18
- 239000011496 polyurethane foam Substances 0.000 claims description 18
- 239000006260 foam Substances 0.000 claims description 16
- 239000004964 aerogel Substances 0.000 claims description 15
- 239000002131 composite material Substances 0.000 claims description 14
- 229920001748 polybutylene Polymers 0.000 claims description 12
- 229920002554 vinyl polymer Polymers 0.000 claims description 12
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 10
- 239000004743 Polypropylene Substances 0.000 claims description 7
- 229920001155 polypropylene Polymers 0.000 claims description 7
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 7
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 claims description 6
- 229920003207 poly(ethylene-2,6-naphthalate) Polymers 0.000 claims description 5
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 5
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000011112 polyethylene naphthalate Substances 0.000 claims description 4
- 239000012790 adhesive layer Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 5
- 230000007774 longterm Effects 0.000 abstract description 4
- 230000001681 protective effect Effects 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000005187 foaming Methods 0.000 abstract 2
- 239000007789 gas Substances 0.000 description 34
- 230000000694 effects Effects 0.000 description 19
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- RGSFGYAAUTVSQA-UHFFFAOYSA-N Cyclopentane Chemical compound C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 description 6
- 230000008901 benefit Effects 0.000 description 6
- 239000000126 substance Substances 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000010292 electrical insulation Methods 0.000 description 4
- 229920001903 high density polyethylene Polymers 0.000 description 4
- 239000004700 high-density polyethylene Substances 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 210000000497 foam cell Anatomy 0.000 description 3
- DMEGYFMYUHOHGS-UHFFFAOYSA-N heptamethylene Natural products C1CCCCCC1 DMEGYFMYUHOHGS-UHFFFAOYSA-N 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004831 Hot glue Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Landscapes
- Thermal Insulation (AREA)
Abstract
The utility model provides a novel heat insulation pipeline. The novel heat insulation pipeline comprises a working pipe, a heat insulation layer which sleeves the working pipe, and an outer protective pipe which sleeves the heat insulation layer, wherein the outer protective pipe comprises an outer protective layer, a barrier layer which is positioned between the heat insulating layer and the outer protective layer and is used for preventing gas in and out of the heat insulation pipeline from circulating through the outer protective layer, and an adhesive layer which fixedly connects the barrier layer and the outer protective layer. During a long-term pipe network operating process, the gas in foaming holes of the heat insulation layer penetrates through the foaming hole walls, penetrates through the outer protective pipe and is diffused to surrounding environment under the influence of temperature. When the barrier layer is arranged, the gas is blocked by the barrier layer when the gas flows to the barrier layer, so that the gas cannot continue flowing to the outer protective layer and cannot be diffused to the surrounding environment; moreover, the gas and water are also blocked by the barrier layer when the gas and the water in the surrounding environment ooze to the barrier layer through the outer protective layer, so that the outside gas cannot continue flowing. The flow of the gas between the heat insulation layer and the outer protective layer is blocked by the barrier layer, so that the heat insulation performance of the heat insulation layer is guaranteed, and the heat loss of the pipe network is reduced.
Description
Technical field
The utility model relates to a kind of novel insulated piping, belongs to pipe insulation technical field.
Background technique
At central heat supply, cooling, the fields such as LNG, chemical industry, all need to carry out insulation to the pipeline for medium transport, to guarantee the heat-insulating property of pipeline in medium transport process.Insulated piping of the prior art is generally made up of medium tube, heat insulation layer and outer pillar.
As shown in Figure 1, a kind of insulated piping of the prior art comprises that, for delivery of the working pipe 11 of medium, heat insulation layer 12 and outer pillar 13, wherein, heat insulation layer 12 wraps the outer wall of working pipe 11, and outer pillar 13 wraps the outer wall of heat insulation layer 12.The main porous foams material that adopts of heat insulation layer 12, for example polyurethane foam, because polyurethane foam contains many tiny foam holes, in foam hole, store again a large amount of gas, such as carbon dioxide, cyclopentane etc., these Measurement of Gas Thermal Conductivities are lower, ensured the heat-insulating property of the heat insulation layer 12 of polyurethane foam formation, make insulation effect better.Outer pillar generally adopts plastic pipe, for example high density polyethylene pipe, but this material has certain gas and moisture transmittance.In the During Process of Long-term Operation of pipe network, temperature influence, gas in foam hole can see through foam cell walls and penetrate outer pillar 13 and be diffused in surrounding environment, meanwhile, the gas such as water vapor, oxygen in external environment also can be penetrated in foam layer by the outer pillar 13 of plastics, can accelerate like this aging of heat insulation layer, thereby be reduced to the heat-insulating property of heat insulation layer 12, increase the heat loss of whole pipe network.
Model utility content
Therefore, technical problem to be solved in the utility model is to overcome in existing insulated piping the gas in the foam hole in heat insulation layer and the gas in external environment and moisture and circulates by outer pillar, and cause the insulation effect of insulated piping to reduce and the large defect of heat loss, thereby provide a kind of insulated piping with barrier layer that ensures the insulation effect of heat insulation layer and can reduce the thermal loss of whole pipe network.
For this reason, the utility model provides a kind of novel insulated piping, comprise working pipe, be socketed in the heat insulation layer in described working pipe, also comprise the outer pillar being socketed on described heat insulation layer, described outer pillar comprises outer protective layer, at the barrier layer for preventing inside and outside insulated piping outer protective layer described in gas permeation and circulate between described heat insulation layer and described outer protective layer, and the tie layer that described barrier layer is fixedly connected with described outer protective layer.
Between described barrier layer and described outer protective layer, form and hold gap, described in described tie layer is positioned at, hold gap and distinguish fixed seal connection with described barrier layer and described outer protective layer.
Described tie layer is the materials such as adhered layer, such as hot melt adhesive.
Described tie layer is polyethylene vinyl acetate copolymer material layer.
Described outer protective layer, tie layer and the barrier layer of described outer pillar adopts the mode shape all-in-one-piece pipeline of composite co-extruding.
Described barrier layer is the individual layer of a kind of material formation in polyethylene terephthalate, PEN, polyethylene vinyl acetate copolymer or ethylene-vinyl alcohol copolymer or the composite bed that the stack of multiple individual layer forms.
Described barrier layer is that thickness is the film of 0.01mm-2mm.
Described outer protective layer is the one in polyvinyl plastics layer, the polypropylene plastics bed of material, polybutylene plastic layer.
Described working pipe is the one in metal tube, vinyl tube, pp pipeline, polybutylene plastic tube or the composite plastic pipe with barrier layer.
Described heat insulation layer is polyurethane foam.
Described heat insulation layer is aerogel layer.
Described heat insulation layer comprises aerogel layer and polyurethane foam, and described aerogel layer is located on the outer wall of described working pipe, and described polyurethane foam is located on described aerogel layer outer wall.
The insulated piping that the utility model provides has the following advantages:
1. the novel insulated piping that the utility model provides, outer protective pipe sleeve is on heat insulation layer, outer pillar comprises outer protective layer, at the barrier layer for preventing inside and outside insulated piping outer protective layer described in gas permeation and circulate between described heat insulation layer and described outer protective layer, and the tie layer that described barrier layer is fixedly connected with described outer protective layer.In pipe network During Process of Long-term Operation, temperature influence, the gas permeation foam cell walls in heat insulation layer foam hole outwards flows, and stops when gas flow is blocked layer during to barrier layer in outer pillar, thereby make this gas cannot continue to flow to outer protective layer, more cannot diffuse to external environment; And, in the time that the gas in external environment is penetrated into barrier layer by outer protective layer, is blocked equally layer and stops, thereby make ambient atmos cannot continue to flow.Barrier layer has intercepted gas in heat insulation layer foam hole and gas and the moisture in external environment circulates by outer protective layer, thereby has ensured that the thermal conductivity of heat insulation layer is little, and heat-insulating property is stable.In addition, by adhesive layer, barrier layer and outer protective layer are coupled together, guaranteed that outer protective layer is not easy to come off, ensured the stability in use of insulated piping, and ensured that barrier layer can in use not misplace, and has guaranteed the barriering effect of gas and moisture.
2. the novel insulated piping that the utility model provides, adhesive layer connects respectively barrier layer and outer protective layer, and barrier layer and outer protective layer are fixed together.The outer protective layer of outer pillar, tie layer and barrier layer adopt the mode of composite co-extruding to form, and can farthest ensure the barrier property of outer pillar, the join strength between increasing by three layers.Described tie layer is preferably adhered layer.Described tie layer is preferably selected polyethylene vinyl acetate copolymer material layer.
3. the novel insulated piping that the utility model provides, described barrier layer is individual layer or the individual layer of multiple material formation or the composite bed that the stack of multiple individual layer forms that a kind of material in polyethylene terephthalate, PEN, polyethylene vinyl acetate copolymer or ethylene-vinyl alcohol copolymer forms.Polyethylene terephthalate, PEN, polyethylene vinyl acetate copolymer or ethylene-vinyl alcohol copolymer are high barrier material, high barrier material has stronger moisture and barrier properties for gases, prevent the increase of the heat insulation layer thermal conductivity that the infiltration of moisture and gas causes, ensured that heat insulation layer has good insulation effect.
4. the novel insulated piping that the utility model provides, outer protective layer is the one in polyvinyl plastics layer, the polypropylene plastics bed of material, polybutylene plastic layer.The preferred high density polyethylene pipe of the present invention.It is little that the feature of vinyl tube and pp pipeline is moisture absorption, mechanical property excellence, and electrical insulation capability is good; The advantage of polybutylene plastic tube is to have very high temperature tolerance, endurance, chemical stability and plasticity.Above-mentioned material Guan Jun is the excellent material of making outer protective layer, all can play the effect of protection barrier layer and heat insulation layer material, has ensured the insulation effect of heat insulation layer.
5. the novel insulated piping that the utility model provides, heat insulation layer can form separately for polyurethane foam, or is formed separately by aerogel layer.While conveying for further solving high temperature media, ensure the performance of heat insulation layer, the heat insulation layer providing comprises polyurethane foam and the aerogel layer between polyurethane foam and working pipe, aerogel can bear the high temperature of 1000 DEG C, be applicable to the thermal insulation that pipeline high temperature media is carried, have extraordinary effect of heat insulation; Polyurethane foam is owing to containing many tiny foam holes, in foam hole, store in a large number again immobilising gas, as carbon dioxide, cyclopentane etc., these gases can not run off under the effect of barrier layer, thereby make the thermal conductivity of heat insulation layer stable, ensured the insulation effect of heat insulation layer.
6. the insulated piping that the utility model provides, working pipe is the one in metal tube, vinyl tube, polypropylene tube, polybutylene plastic tube or the composite plastic pipe with barrier layer.It is little that the feature of vinyl tube and pp pipeline is moisture absorption, and electrical insulation capability is good; The advantage of polybutylene plastic tube is to have very high temperature tolerance, endurance, chemical stability and plasticity; Composite plastic pipe with barrier layer can ensure the quality of medium; It is high that metal tube has intensity, high temperature resistant, corrosion resistance and the strong feature of wear-resisting property; Aforementioned tubes is all to make the excellent material of working pipe, all can ensure the stability of working pipe.
Brief description of the drawings
For content of the present utility model is more likely to be clearly understood, according to specific embodiment of the utility model also by reference to the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is the transverse cross-sectional view of the insulated piping before transformation;
Fig. 2 is the transverse cross-sectional view of novel insulated piping of the present utility model;
Fig. 3 is the longitudinal sectional drawing of novel insulated piping of the present utility model;
In figure, reference character is expressed as:
11,21-working pipe, 12-heat insulation layer, the outer pillar of 13-, 22-heat insulation layer, 221-aerogel layer, 222-polyurethane foam, the outer pillar of 23-, 231-barrier layer, 232-outer protective layer, 233-tie layer.
Embodiment
embodiment 1
The present embodiment provides a kind of novel insulated piping, comprise working pipe 21, be socketed in the heat insulation layer 22 in working pipe 21, also comprise the outer pillar 23 being socketed on heat insulation layer 22, outer pillar 23 comprises outer protective layer 232, the barrier layer 231 of circulation for preventing the moisture of gas in insulated piping heat insulation layer foam hole and external environment and gas permeation outer protective layer 232 between heat insulation layer 22 and outer protective layer 232, and by the tie layer of barrier layer 231 and outer protective layer 232 fixed seal connections.
Technique scheme is core technology scheme of the present invention, as shown in Fig. 2 or 3, the novel insulated piping presenting in this technological scheme compared with the existing technology, outer pillar 23 comprises outer protective layer 232, the barrier layer 231 of circulation for preventing the moisture of gas in insulated piping heat insulation layer foam hole and external environment and gas permeation outer protective layer 232 between heat insulation layer 22 and outer protective layer 232, and the tie layer that barrier layer 231 is fixedly connected with outer protective layer 232.Tie layer together with outer protective layer 232 fixed seal connections, makes barrier layer 231 be not easy to come off barrier layer 231, and makes barrier layer 231 and outer protective layer 232 be not easy dislocation, guarantees the insulation effect of whole insulated piping, and tie layer is preferably adhesive layer.Adhesive layer is preferably selected polyethylene vinyl acetate copolymer material layer.In pipe network During Process of Long-term Operation, temperature influence, the gas permeation foam cell walls in heat insulation layer 22 foam holes outwards flows, and stops when gas flow is blocked layer 231 during to barrier layer 231, thereby make this gas cannot continue to flow to outer protective layer 232, more cannot diffuse to external environment; And, in the time that the gas in external environment is penetrated into barrier layer 231 by outer protective layer 232, is blocked equally layer 231 and stops, thereby ambient atmos and moisture cannot be continued to adiabatic intrastratal flow.Barrier layer 231 has intercepted between heat insulation layer 22 and external environment by the gas flow of outer protective layer 232, thereby has ensured the heat-insulating property of heat insulation layer 22.
Particularly, in the present embodiment, as shown in Fig. 2 or 3, between barrier layer 231 and outer protective layer 232, have the gap of holding, adhesive layer 233 is positioned at and holds gap and fill up and hold gap, fits completely with the inwall of outer protective layer 232 and the outer wall of barrier layer 231.Tie layer 233 adopts polyethylene vinyl acetate copolymer material layer, barrier layer 231 and outer protective layer 232 are linked together, outer protective layer 232, tie layer 233 and the barrier layer 231 of outer pillar 23 adopts the mode of composite co-extruding to be enclosed within on heat insulation layer 22, guarantee the firm of barrier layer 231 positions, ensure triangular join strength, ensure that barrier layer 231 plays consistently the effect that intercepts the gas flow in heat insulation layer 22, ensure that the thermal conductivity of heat insulation layer 22 is stable, heat-insulating property is stable.
In order to improve insulation effect, barrier layer 231 can be polyethylene terephthalate, PEN, the composite bed that the individual layer that the individual layer that a kind of material in polyethylene vinyl acetate copolymer or ethylene-vinyl alcohol copolymer forms or multiple material form or the stack of multiple individual layer form, in the present embodiment, described barrier layer 231 is preferably ethylene-vinyl alcohol copolymer, above-mentioned material is high barrier material, high barrier material has stronger moisture and barrier properties for gases, prevent the increase of the heat insulation layer thermal conductivity causing due to the infiltration of moisture and gas, ensure that heat insulation layer has good insulation effect.And, the film that barrier layer 231 is 2mm for thickness.
As the one distortion of the present embodiment, the thickness of described barrier layer 231 can also change within the scope of 0.01mm-2mm, adopts the film of this kind of thickness not only can ensure heat-insulating property and can improve working life as the outer protective layer of barrier layer 231 and cooperation high-density polyethylene plastics.
In order further to improve insulation effect, as shown in Fig. 2 or 3, outer protective layer 232 is the one in polyvinyl plastics layer, the polypropylene plastics bed of material, polybutylene plastic layer.Preferred high-density polyethylene layer in the present embodiment.It is little that the feature of polyvinyl plastics layer and the polypropylene plastics bed of material is moisture absorption, mechanical property excellence, and electrical insulation capability is good; The advantage of polybutylene plastic layer is to have very high temperature tolerance, endurance, chemical stability and plasticity.Above-mentioned material is all excellent materials of making outer protective layer, all can play the effect of protection barrier layer and heat insulation layer material, has ensured the insulation effect of heat insulation layer.
Adiabatic in order further to improve, as shown in Fig. 2 or 3, heat insulation layer 22 comprises polyurethane foam 222 and the aerogel layer 221 between polyurethane foam 222 and working pipe 21.Aerogel can bear the high temperature of 1000 DEG C, is applicable to the thermal insulation that pipeline high temperature media is carried, and has extraordinary effect of heat insulation; Polyurethane foam is owing to containing many tiny foam holes, in foam hole, store in a large number again immobilising gas, as carbon dioxide, cyclopentane etc., these gases are not having under the state running off, can make the thermal conductivity of heat insulation layer stable, this has ensured the insulation effect of heat insulation layer.
As the one distortion of the present embodiment, described heat insulation layer 22 also can only be formed separately by polyurethane foam 222.
As the another kind distortion of the present embodiment, described heat insulation layer 22 also can only be formed separately by aerogel layer 221.
Working pipe is the one in steel pipe, vinyl tube, polypropylene tube, polybutylene plastic tube or the composite plastic pipe with barrier layer.It is little that the feature of vinyl tube and pp pipeline is moisture absorption, and electrical insulation capability is good; The advantage of polybutylene plastic tube is to have very high temperature tolerance, endurance, chemical stability and plasticity; Composite plastic pipe with barrier layer can ensure the quality of fed sheet of a media; It is high that steel pipe has intensity, high temperature resistant, corrosion resistance and the strong feature of wear-resisting property; Aforementioned tubes is all to make the excellent material of working pipe, all can ensure the stability of working pipe.
As the one distortion of the present embodiment, working pipe can be also other existing metallic conduit, as copper pipe.
embodiment 2
The present embodiment is the distortion on embodiment 1 basis, itself and embodiment's 1 difference is: between barrier layer 231 and outer protective layer 232, form and hold gap, tie layer is positioned at and holds gap and be connected respectively with barrier layer 231 and outer protective layer 232, in the part that need to strengthen connection function, the inwall of the outer wall of described tie layer and described barrier layer 231 and outer protective layer 232 is fitted respectively, in the part that does not need to strengthen connection, described tie layer can not fitted with described barrier layer 231 and described outer protective layer 232,, tie layer does not fill up completely and holds gap.The benefit arranging is like this: the first, save the material of adhesive layer, and can not reduce heat-insulating property; The second, because adhesive layer does not have completely and the outer wall of barrier layer 231 is fitted and do not have the inwall of complete and outer protective layer 232 to fit, be damaged while needing maintenance at outer protective layer 232, can reduce the infringement to outer protective layer 232 as far as possible, be damaged while needing maintenance at barrier layer 231, can reduce the infringement to barrier layer 231 as far as possible.
Obviously, above-described embodiment is only for example is clearly described, and the not restriction to mode of execution.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also giving exhaustive to all mode of executions.And within the protection domain that the apparent variation of being extended out thus or variation are still created in the utility model.
Claims (12)
1. a novel insulated piping, comprise working pipe (21), be socketed in the heat insulation layer (22) in described working pipe (21), it is characterized in that: also comprise the outer pillar (23) being socketed on described heat insulation layer (22), described outer pillar (23) comprises outer protective layer (232), be arranged in the barrier layer (231) of the circulation for preventing the gas in heat insulation layer (22) foam hole and the gas of external environment and moisture from seeing through described outer protective layer (232) between described heat insulation layer (22) and described outer protective layer (232), and the tie layer (233) that described barrier layer (231) is fixedly connected with described outer protective layer (232).
2. novel insulated piping according to claim 1, it is characterized in that: between described barrier layer (231) and described outer protective layer (232), there is the gap of holding, described in described tie layer (233) is positioned at, hold gap and with the fixed seal connection respectively of described barrier layer (231) and described outer protective layer (232).
3. novel insulated piping according to claim 2, is characterized in that: described tie layer (233) is adhered layer.
4. novel insulated piping according to claim 3, is characterized in that: described tie layer (233) is polyethylene vinyl acetate copolymer material layer.
5. novel insulated piping according to claim 4, is characterized in that: the pipeline that described outer protective layer (232), tie layer (233) and the barrier layer (231) of described outer pillar (23) adopts the mode of composite co-extruding to form as one.
6. novel insulated piping according to claim 5, is characterized in that: described barrier layer (231) is the individual layer of a kind of material formation in polyethylene terephthalate, PEN, polyethylene vinyl acetate copolymer or ethylene-vinyl alcohol copolymer or the composite bed that the stack of multiple individual layer forms.
7. according to the novel insulated piping described in any one in claim 1-6, it is characterized in that: the film that described barrier layer (231) is 0.01mm-2mm for thickness.
8. novel insulated piping according to claim 7, is characterized in that: described outer protective layer (232) is the one in polyvinyl plastics layer, the polypropylene plastics bed of material, polybutylene plastic layer.
9. according to the novel insulated piping described in any one in claim 1-5, it is characterized in that: described working pipe (21) is for metal tube, vinyl tube, pp pipeline, polybutylene plastic tube or with the one in the composite plastic pipe of barrier layer.
10. according to the novel insulated piping described in any one in claim 1-5, it is characterized in that: described heat insulation layer (22) is polyurethane foam (222).
11. according to the novel insulated piping described in any one in claim 1-5, it is characterized in that: described heat insulation layer (22) is aerogel layer (221).
12. according to the novel insulated piping described in any one in claim 1-5, it is characterized in that: described heat insulation layer (22) comprises aerogel layer (221) and polyurethane foam (222), described aerogel layer (221) is located on the outer wall of described working pipe (21), and described polyurethane foam (222) is located on described aerogel layer (221) outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320697550.4U CN203809955U (en) | 2013-11-07 | 2013-11-07 | Novel heat insulation pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320697550.4U CN203809955U (en) | 2013-11-07 | 2013-11-07 | Novel heat insulation pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203809955U true CN203809955U (en) | 2014-09-03 |
Family
ID=51448703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320697550.4U Expired - Lifetime CN203809955U (en) | 2013-11-07 | 2013-11-07 | Novel heat insulation pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203809955U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109367137A (en) * | 2018-11-22 | 2019-02-22 | 江苏洁润管业有限公司 | A kind of aeroge thermal pipe |
| CN110402870A (en) * | 2019-09-02 | 2019-11-05 | 福建亚通新材料科技股份有限公司 | A kind of deep-sea breeding pipeline |
-
2013
- 2013-11-07 CN CN201320697550.4U patent/CN203809955U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109367137A (en) * | 2018-11-22 | 2019-02-22 | 江苏洁润管业有限公司 | A kind of aeroge thermal pipe |
| CN110402870A (en) * | 2019-09-02 | 2019-11-05 | 福建亚通新材料科技股份有限公司 | A kind of deep-sea breeding pipeline |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206555579U (en) | A kind of high-performance antiseptic petroleum pipeline | |
| CN203809955U (en) | Novel heat insulation pipeline | |
| CN203809885U (en) | Heat-insulating pipe | |
| CN203907126U (en) | Cold insulation composite material structure for ultralow temperature pipeline | |
| CN203686401U (en) | Novel heat-insulating pipe connector | |
| CN203730936U (en) | Stainless steel heat preservation pipeline structure | |
| CN202252630U (en) | Heat insulating pipe for conveying hot fluid | |
| CN206112298U (en) | Prefabricated direct -burried heat preservation composite plastic pipe of polypropylene | |
| CN203809956U (en) | Improved heat insulation pipeline | |
| CN111795259A (en) | Heat preservation pipe sleeve | |
| CN103453242A (en) | Double-layer convection heat-insulation water pipe | |
| CN207005476U (en) | A kind of PP R polyurethane thermal pipes | |
| CN201772200U (en) | Insulating tube | |
| CN203847920U (en) | Winding type heat insulation pipeline | |
| CN205678362U (en) | A kind of insulating tube with heating function | |
| CN203223653U (en) | Prefabricated direct-buried insulating pipe | |
| CN204573352U (en) | A kind of thermal insulation pipe | |
| CN201836601U (en) | Novel thermal insulation pipe | |
| CN201606617U (en) | Submarine pipeline skin effect electrical tracing insulation structure | |
| CN203847843U (en) | Novel wound heat insulation pipeline | |
| CN203686483U (en) | Heat-insulated pipe joint | |
| CN210567002U (en) | Self-heat-preservation pipe of pipeline heat-preservation system | |
| CN202469372U (en) | Plastic polyurethane insulation pipe | |
| CN204986231U (en) | Low temperature medium transport uses adiabatic pipeline | |
| CN204164592U (en) | The corrosion-resistant steam jacket thermal insulation pipe of Molten sulphur conveying |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180313 Address after: No. 6, Liu Fang North Street, Chaoyang District, Beijing City, Beijing Patentee after: BEIJING DISTRICT HEATING Group Address before: No. 12, Yuncheng street, Beijing economic and Technological Development Zone, Daxing District, Beijing Patentee before: BEIJING HTN PIPELINE EQUIPMENT Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140903 |
|
| CX01 | Expiry of patent term |