CN205350718U - Compound incubation structure and buried pipeline for heating power thereof - Google Patents
Compound incubation structure and buried pipeline for heating power thereof Download PDFInfo
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- CN205350718U CN205350718U CN201521134809.XU CN201521134809U CN205350718U CN 205350718 U CN205350718 U CN 205350718U CN 201521134809 U CN201521134809 U CN 201521134809U CN 205350718 U CN205350718 U CN 205350718U
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Abstract
The utility model relates to an insulation construction technical field discloses a compound incubation structure and buried pipeline for heating power thereof. The compound incubation structure is including circle pipy aerogel heat insulation layer, polyurethane insulation layer and shell, aerogel heat insulation layer cladding in steel pipe periphery, polyurethane insulation layer cladding in aerogel heat insulation layer periphery, shell cladding in polyurethane insulation layer periphery. Buried pipeline for the heating power, including steel pipe and compound incubation structure, the compound incubation structure includes cladding in the aerogel heat insulation layer of steel pipe periphery, cladding in the polyurethane insulation layer of aerogel heat insulation layer periphery reaches the shell of cladding in polyurethane insulation layer periphery. The utility model provides a compound incubation structure and buried pipeline for heating power thereof, polyurethane insulation layer and steel pipe direct contact are avoided through establishing the aerogel heat insulation layer week at the polyurethane insulation in situ to its compound incubation structure to avoid the polyurethane insulation layer to keep warm because of high temperature carbonization, pulverization cause and become invalid, practiced thrift the energy, guaranteed pipeline safety.
Description
Technical field
This utility model relates to the technical field of insulation construction, particularly relates to a kind of compound insulation structure and heating power buried pipeline thereof.
Background technology
At present, in city heat supply field, heating power buried pipeline is applied widely, and it has good thermal insulation, corrosion proof function, and laid down cost is low.The application of this heating power buried pipeline, has specified in more detail in existing industry standard CJ114-2000 " high-density polyethylene external protective pipe polyurethane foam plastics prefabricated direct-buried thermal insulation pipe ".The adiabator that existing heating power buried pipeline uses is all polyurethane, and inside industry standard, regulation hot water pipeline not can exceed that 120 DEG C, say, that 120 DEG C is the maximum temperature that polyurethane can bear.But, present city heat supply pipeline is excessive because of urban area, thermal source power plant is respectively positioned on suburb, duct length is long, the hot water temperature of supply is typically up to 130-140 DEG C, so, and the problem that the easy carbonization of polyurethane, efflorescence can be caused, polyurethane heat-insulation was lost efficacy, and insulation failure can cause energy waste and fill the pipeline of medium and pressure-bearing can not cause safety problem of subsiding.
Utility model content
The purpose of this utility model is in that to overcome above-mentioned the deficiencies in the prior art, provide a kind of compound insulation structure and heating power buried pipeline thereof, avoid polyurethane insulation coating directly to contact with steel pipe, thus avoid polyurethane insulation coating carbonization because temperature is too high, efflorescence causes insulation failure, save the energy, it is ensured that pipe safety.
This utility model embodiment provides a kind of compound insulation structure, it is coated on the steel pipe periphery of heating power buried pipeline, described compound insulation structure includes the aerogel insulation layers of circular tube shaped, polyurethane insulation coating and shell, described aerogel insulation layers is coated on the periphery of described steel pipe and for thermal insulation, described polyurethane insulation coating is coated on the periphery of described aerogel insulation layers and for being incubated, and described shell is coated on the periphery of described polyurethane insulation coating.
Further, described aerogel insulation layers is aerogel heat-insulating material.
Further, the thickness of described aerogel heat-insulating material is 10～20mm.
Further, described shell is polyethylene part.
This utility model embodiment additionally provides a kind of heating power buried pipeline, including steel pipe, described heating power buried pipeline also includes compound insulation structure, described compound insulation structure includes the aerogel insulation layers for thermal insulation being coated on described steel pipe periphery, it is coated on the polyurethane insulation coating for being incubated of described aerogel insulation layers periphery, and is coated on the shell of described polyurethane insulation coating periphery.
Further, described aerogel insulation layers is aerogel heat-insulating material.
Further, the thickness of described aerogel heat-insulating material is 10～20mm.
Further, described shell is polyethylene part.
Based on technique scheme, the compound insulation structure that the utility model proposes and heating power buried pipeline thereof, its compound insulation structure is by arranging aerogel insulation layers in polyurethane insulation coating inner circumferential, avoid polyurethane insulation coating directly to contact with the steel pipe in heating power buried pipeline, thus avoiding polyurethane insulation coating, because temperature is too high, carbonization causes insulation failure, save the energy, it is ensured that pipe safety., use after complex heat-preservation scheme meanwhile, also make the pipe insulation thickness can be thinning, reduce the external diameter of pipeline, produce for pipeline, transport, install and saved substantial amounts of manpower, material resources.
Accompanying drawing explanation
Fig. 1 is the cross sectional representation of the heating power buried pipeline that this utility model embodiment proposes；
Fig. 2 is the Longitudinal cross section schematic of the heating power buried pipeline that this utility model embodiment proposes.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, this utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain this utility model, be not used to limit this utility model.
It should be noted that be referred to as " being fixed on " or " being arranged at " another element when element, it can directly on another element or may be simultaneously present centering elements.When an element is known as " being connected to " another element, it can be directly to another element or may be simultaneously present centering elements.
It addition, also, it should be noted the orientation term such as left and right, upper and lower in this utility model embodiment, be only relative concept or with the normal operating condition of product for reference each other, and should not be regarded as have restrictive.Below in conjunction with specific embodiment, realization of the present utility model is described in detail.
As shown in Figure 1 to Figure 2, the utility model proposes a kind of compound insulation structure 1, it is coated on steel pipe 2 periphery of heating power buried pipeline and for being incubated.Specifically, this compound insulation structure 1 can include aerogel insulation layers 11, polyurethane insulation coating 12 and shell 13, here, aerogel insulation layers 11, polyurethane insulation coating 12 and shell 13 are circular tube shaped, wherein, aerogel insulation layers 11 is for heat insulation thermal insulation, and it is coated on the periphery of steel pipe 2；Polyurethane insulation coating 12 is used for being incubated, and it is coated on the periphery of aerogel insulation layers 11；Shell 13 is for structural shielding, and it is coated on the periphery of polyurethane insulation coating 12.
The compound insulation structure that this utility model embodiment proposes, has a characteristic that
The compound insulation structure that this utility model embodiment proposes, it aerogel insulation layers 11 including being coated on steel pipe 2 periphery, it is coated on the polyurethane insulation coating 12 of aerogel insulation layers 11 periphery, and it is coated on the shell 13 of polyurethane insulation coating 12 periphery, so, by between polyurethane insulation coating 12 and steel pipe 2 (i.e. the inner circumferential of polyurethane insulation coating 12), aerogel insulation layers 11 is set, herein, because the maximum operation (service) temperature of polyurethane insulation coating 12 is 120 DEG C, and the hot water that medium is temperature up to 140 DEG C of heating power buried pipeline conveying, exceed the use temperature of polyurethane, after plus aerogel insulation layers 11, avoid polyurethane insulation coating 12 directly to contact with the steel pipe 2 in heating power buried pipeline, thus avoiding polyurethane insulation coating 12 carbonization because temperature is too high, efflorescence causes insulation failure, save the energy, ensure that pipe safety.Meanwhile, after using this complex heat-preservation scheme, also make the pipe insulation thickness can be thinning, reduce the external diameter of pipeline, produce for pipeline, transport, install and saved substantial amounts of manpower, material resources.
Further, in embodiment of the present utility model, above-mentioned aerogel insulation layers 11 is preferably aerogel heat-insulating material, and this aerogel heat-insulating material is soft blanket, can be processed into any profile, therefore can according to the prefabricated aerogel insulation layers 11 of the size of steel pipe 2 and insulation thickness.The characteristic of this aerogel heat-insulating material is: 1) have ultra-low thermal conductivity, is only 0.016 to 0.020W/m-K under normality, can promote heat insulation effect, reduces thickness and the quantity of insulation material；2) it is incombustible material, prevents fires completely, by UL1709 oil gas fire test, it is possible to provide longer fireproofing passiveness protection；3) complete hydrophobic and breathing freely；4) super resistance to compression, it is adaptable to various adverse circumstances；5) blanket coiled material, very easily installs, and improves installation effectiveness, significantly reduces installation cost.As mentioned above; aerogel heat-insulating material is wrapped up by the ground floor in steel pipe 2 periphery; the surface temperature of contact polyurethane insulation coating 12 can be made lower than 100 DEG C; so; effectively protect heat-insulating property and the life-span of polyurethane insulation coating 12; reduce the insulation cost of pipeline, improve the life-span of pipeline and insulation material.
Preferably, in embodiment of the present utility model, the thickness of the aerogel heat-insulating material selected by above-mentioned aerogel insulation layers 11 is preferably 10～20mm.Certainly, according to practical situation and demand, in other embodiments of the present utility model, this aerogel heat-insulating material can be also other thickness, does not do unique restriction herein.
Preferably, in embodiment of the present utility model, above-mentioned shell 13 is preferably polyethylene part, and what it adopted is highdensity polythene material.Certainly, according to practical situation and demand, in other embodiments of the present utility model, above-mentioned shell 13 also can be selected for other materials, does not do unique restriction herein.
The utility model proposes a kind of heating power buried pipeline, this heating power buried pipeline includes steel pipe 2 and compound insulation structure 1, this compound insulation structure 1 includes the aerogel insulation layers 11 for thermal insulation being coated on steel pipe 2 periphery, it is coated on the polyurethane insulation coating 12 for being incubated of this aerogel insulation layers 11 periphery, and is coated on the shell 13 of this polyurethane insulation coating 12 periphery.
The heating power buried pipeline that this utility model embodiment proposes, it includes steel pipe 2 and is coated on the compound insulation structure 1 of this steel pipe 2 periphery, this compound insulation structure 1 is by arranging aerogel insulation layers 11 in its polyurethane insulation coating 12 inner circumferential, avoid polyurethane insulation coating 12 directly to contact with steel pipe 2, carbonization causes insulation failure because temperature is too high to avoid polyurethane insulation coating 12, save the energy, it is ensured that pipe safety.
Further, in embodiment of the present utility model, above-mentioned aerogel insulation layers 11 is preferably aerogel heat-insulating material, and this aerogel heat-insulating material is soft blanket, can be processed into any profile, therefore can according to the prefabricated aerogel insulation layers 11 of the size of steel pipe 2 and insulation thickness.Herein, aerogel heat-insulating material has that heat conductivity is low, heatproof is high and the characteristic such as resistance to compression, it can form compound insulation system with polyurethane, here, make full use of the advantage of bi-material, utilize the high temperature resistant and measuring body characteristic of aerogel heat-insulating material, and the thermal conductivity ratio polyurethane of aerogel heat-insulating material is also low, so so that the resistance to temperature rise of this compound insulation structure 1, adiabatic heat-insulation ability is higher.Meanwhile, the compressive property of this aerogel heat-insulating material makes compound insulation structure 1 entirety can combine better with steel pipe 2, the problem solving mechanics, is not namely afraid of violence transport, and the different forms of violence that can meet prefabricated thermal insulation pipeline system is trampled or assembled.
Preferably, in embodiment of the present utility model, the thickness of the aerogel heat-insulating material selected by above-mentioned aerogel insulation layers 11 is preferably 10～20mm.Certainly, according to practical situation and demand, in other embodiments of the present utility model, this aerogel heat-insulating material can be also other thickness, does not do unique restriction herein.
Preferably, in embodiment of the present utility model, above-mentioned shell 13 is preferably polyethylene part, and what it adopted is highdensity polythene material.Certainly, according to practical situation and demand, in other embodiments of the present utility model, above-mentioned shell 13 also can be selected for other materials, does not do unique restriction herein.
Embodiment described above; it is only this utility model detailed description of the invention; but protection domain of the present utility model is not limited thereto; any those familiar with the art is in the technical scope that this utility model discloses; can readily occurring in the amendment of various equivalence, replacement and improvement etc., these amendments, replacement and improvement all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with scope of the claims.
Claims (8)
1. compound insulation structure, it is coated on the steel pipe periphery of heating power buried pipeline, it is characterized in that, described compound insulation structure includes the aerogel insulation layers of circular tube shaped, polyurethane insulation coating and shell, described aerogel insulation layers is coated on the periphery of described steel pipe and for thermal insulation, described polyurethane insulation coating is coated on the periphery of described aerogel insulation layers and for being incubated, and described shell is coated on the periphery of described polyurethane insulation coating.
2. compound insulation structure as claimed in claim 1, it is characterised in that described aerogel insulation layers is aerogel heat-insulating material.
3. compound insulation structure as claimed in claim 2, it is characterised in that the thickness of described aerogel heat-insulating material is 10～20mm.
4. the compound insulation structure as described in any one of claims 1 to 3, it is characterised in that described shell is polyethylene part.
5. heating power buried pipeline, including steel pipe, it is characterized in that, described heating power buried pipeline also includes compound insulation structure, described compound insulation structure includes the aerogel insulation layers for thermal insulation being coated on described steel pipe periphery, it is coated on the polyurethane insulation coating for being incubated of described aerogel insulation layers periphery, and is coated on the shell of described polyurethane insulation coating periphery.
6. heating power buried pipeline as claimed in claim 5, it is characterised in that described aerogel insulation layers is aerogel heat-insulating material.
7. heating power buried pipeline as claimed in claim 6, it is characterised in that the thickness of described aerogel heat-insulating material is 10～20mm.
8. the heating power buried pipeline as described in any one of claim 5 to 7, it is characterised in that described shell is polyethylene part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521134809.XU CN205350718U (en) | 2015-12-31 | 2015-12-31 | Compound incubation structure and buried pipeline for heating power thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521134809.XU CN205350718U (en) | 2015-12-31 | 2015-12-31 | Compound incubation structure and buried pipeline for heating power thereof |
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| Publication Number | Publication Date |
|---|---|
| CN205350718U true CN205350718U (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521134809.XU Active CN205350718U (en) | 2015-12-31 | 2015-12-31 | Compound incubation structure and buried pipeline for heating power thereof |
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| CN (1) | CN205350718U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106499903A (en) * | 2016-12-27 | 2017-03-15 | 哈尔滨朗格思特供热装备科技有限公司 | Superhigh temperature prefabricated direct-buried thermal insulation pipe part elbow and production application process |
| CN107725906A (en) * | 2017-09-30 | 2018-02-23 | 江苏瑞腾涂装科技有限公司 | A kind of novel heat insulation tubing |
-
2015
- 2015-12-31 CN CN201521134809.XU patent/CN205350718U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106499903A (en) * | 2016-12-27 | 2017-03-15 | 哈尔滨朗格思特供热装备科技有限公司 | Superhigh temperature prefabricated direct-buried thermal insulation pipe part elbow and production application process |
| CN107725906A (en) * | 2017-09-30 | 2018-02-23 | 江苏瑞腾涂装科技有限公司 | A kind of novel heat insulation tubing |
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