CN204592601U - The prefabricated composite adiabatic tubular construction of a kind of nanoporous aerogel - Google Patents
The prefabricated composite adiabatic tubular construction of a kind of nanoporous aerogel Download PDFInfo
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- CN204592601U CN204592601U CN201520307763.0U CN201520307763U CN204592601U CN 204592601 U CN204592601 U CN 204592601U CN 201520307763 U CN201520307763 U CN 201520307763U CN 204592601 U CN204592601 U CN 204592601U
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Abstract
The utility model relates to the prefabricated composite adiabatic tubular construction of a kind of nanoporous aerogel felt; comprise steel pipe, nanoporous aerogel thermal insulating material, reflect radiation heat aluminium foil cloth and outer surface seal protection shell; wherein; described nanoporous aerogel thermal insulating material is wrapped up in by Bond and is invested on steel pipe; be fixed by strapping strand simultaneously; described reflect radiation heat aluminium foil cloth is wrapped up in and is invested on aerogel thermal insulating material; outside strapping strand is fixed, and outermost prefabricated outer surface seal protection shell is fixed on described reflect radiation heat aluminium foil cloth.This prefabricated composite adiabatic tubular construction, its heat-conductive characteristic is 3-5 times of conventional thermal insulation pipe, thermal loss is little, space utilization is high, there is the feature of conveying high temperature media simultaneously, have good tension cracking resistance, performance such as sound insulation antidetonation, fire retardant, anticorrosive etc., integral heat insulation, cold insulation effect are better than traditional prefabricated direct-buried thermal insulation pipe, can be widely used in various municipal heat supply and region central cooling pipeline.
Description
Technical field
It take aerogel blanket as the compound prefabricated thermal isolated pipe structure of main thermal insulating material that the utility model relates to a kind of, can be widely used in various municipal heat supply and region central cooling pipeline.
Technical background
In prefabricated direct-buried thermal insulation pipe extensive use and municipal central heating network, along with country to strengthen the dynamics of investment of Infrastructure and extensive popularization to central heat supply, the consumption of prefabricated direct-buried thermal insulation pipe is increasing.As a rule, the main thermal insulating material of prefabricated direct-buried thermal insulation pipe adopts hard polyurethane foams, and its thermal conductivity is relatively high, and be that Large Diameter Pipeline heat supply pipeline thermal insulating material thickness obviously increases by it, thermal insulation pipe takes up room and increases thereupon.Simultaneously because hard polyurethane foam material easily occurs shrinkage phenomenon when density is low; thermal insulating material and outer containment vessel is caused to occur stratification; heat insulation effect will be caused to have a greatly reduced quality; easily water inlet simultaneously; cause thermal insulation pipe long-term heat preservation hydraulic performance decline, finally may cause the corrosion of steel pipe and occur evaporating, emitting, dripping or leaking of liquid or gas phenomenon.
In recent years, along with the quickening of urban construction paces, the solid foundation developing into drive urban economy development in high-touch feature type region.High-touch feature district is main mainly with financial backstage, enterprise headquarters base, cultural industry gathering groups etc. greatly, builds as being generally the types such as large-scale office building, bank, records center, and this type of building has and has hot and cold and demand that is domestic hot-water throughout the year.The pipe performance simultaneously possessing heat supply and cooling ability will affect overall pipe network conveying efficiency, and conventional prefabricated direct-buried thermal insulation pipe finally can only determine tubing according to the exacting nature of insulation and cold insulation, causes the investment increase of tubing and bulk to strengthen further.
Manage the Intellectualized monitoring of underground municipal pipeline engineering for adapting to country, country obtains unprecedented wideling popularize to the construction of municipal pipe trench.Municipal administration pipe trench has evaded the phenomenons such as " broken road " and " zip ", municipal pipeline is included in pipe trench System Construction, makes municipal pipeline obtain comprehensive monitor and managment, great with service horizontal terms for lifting municipal administration.According to national relevant specification, its flame retardant rating of thermal insulating material adopted in pipe trench is higher, and conventional polyurethane material is difficult to meet fire-fighting grade, often occurs that construction period, the phenomenons such as the condition of a fire occurred.
Summary of the invention
The purpose of this utility model is for traditional heat preservation pipe prefabricated shortcoming and defect, there is provided a kind of nanoporous aerogel prefabricated composite adiabatic tubular construction, described composite adiabatic tubular construction comprises steel pipe, nanoporous aerogel thermal insulating material, reflect radiation heat aluminium foil cloth and outer surface seal protection shell, it is characterized in that, described composite adiabatic tubular construction sets gradually described steel pipe from inside to outside, nanoporous aerogel thermal insulating material, reflect radiation heat aluminium foil cloth and external sealed protection shell, wherein, described nanoporous aerogel thermal insulating material is wrapped up in by Bond and is invested on steel pipe, the outer surface of described nanoporous aerogel thermal insulating material is provided with fixing strapping strand, described reflect radiation heat aluminium foil cloth is wrapped up in and is invested on described aerogel thermal insulating material and strapping strand thereof, the outer surface of described reflect radiation heat aluminium foil cloth is also provided with fixing strapping strand, described outer surface seal protection shell is sheathed on the outer surface of described reflect radiation heat aluminium foil cloth and strapping strand thereof.
Preferably, described steel pipe is carry out the Spiral Steel Pipe after anticorrosion and Shot Blasting or seamless steel pipe to its surface, and its thickness is 8-14mm.
Preferably, described nanoporous aerogel thermal insulating material is nanoporous aerogel insulation quilt, and its thickness is 10-30mm.
Preferably, described nanoporous aerogel thermal insulating material is nanometer titanium dioxide silica aerogel.
Preferably, described external sealed protection shell is glass fibre reinforced plastic material, and its thickness is 2-5mm.
Aerogel blanket of the present utility model prefabricated composite adiabatic tubular construction has following remarkable advantage compared to existing technology: can meet municipal pipe trench fire-fighting requirements, take into account insulation and cold insulation dual property simultaneously, and conveying hot water temperature is increased to 200 DEG C, there is higher adiabaticity, corrosion resistance, high flame retardant, stronger tension resistance to cracking and the prefabricated thermal isolated pipe of easy act, can according to Cemented filling requirement, the thickness of aerogel blanket thermal insulating material is rationally set, save the investment of simultaneously carrying the pipe network system of hot water and cold water on the one hand, insulation thickness is reduced on the other hand by high adiabaticity, reduce pipeline overall dimensions, effectively save the underground space.Aerogel blanket of the present utility model prefabricated composite adiabatic pipe not only alternative traditional prefabricated direct-buried thermal insulation pipe, there is the uniqueness be applied in underground pipe canal simultaneously, meet urban construction requirement and safety reliability, improve the management service level of municipal heat supply and cooling and the quality of the life of user.
Accompanying drawing explanation
Fig. 1 is aerogel blanket of the present utility model prefabricated composite adiabatic tubular construction structural representation.
Embodiment
For making the purpose of this utility model, technological scheme and advantage clearly understand, to develop simultaneously embodiment referring to accompanying drawing, the utility model is further described.
As shown in Figure 1; the prefabricated composite adiabatic tubular construction of aerogel blanket of the present utility model; be main insulation, cold insulation material with nanoporous aerogel thermal insulating material, comprise steel pipe 1, nanoporous aerogel thermal insulating material 2, reflect radiation heat aluminium foil cloth 3 and outer surface seal protection shell 4.Composite adiabatic tubular construction sets gradually steel pipe 1 from inside to outside, nanoporous aerogel thermal insulating material 2, reflect radiation heat aluminium foil cloth 3 and outer surface seal protection shell 4, wherein, nanoporous aerogel thermal insulating material 2 is wrapped up in by Bond and is invested on steel pipe 1, the outer surface of nanoporous aerogel thermal insulating material 2 is provided with fixing strapping strand 5, reflect radiation heat aluminium foil cloth 3 is wrapped up in and is invested on aerogel thermal insulating material 2 and strapping strand 5 thereof, the outer surface of reflect radiation heat aluminium foil cloth 3 is also provided with fixing strapping strand 6, outer surface seal protection shell 4 is sheathed on the outer surface of reflect radiation heat aluminium foil cloth 3 and strapping strand 6 thereof.
Steel pipe 1 is conventional volute or seamless steel pipe, and need carry out anticorrosion and Shot Blasting to its surface, steel pipe thickness is usually between 8-14mm.
Nanoporous aerogel thermal insulating material 2, be preferably nanoporous aerogel insulation quilt, with nanometer titanium dioxide silica aerogel for main material, there is the superior function such as thermal conductivity low (thermal conductivity when mean temperature 25 DEG C is less than 0.018W/ (mK)), density is little, stretch-proof performance is high, water-and fire-proof, environmental protection, traditional material such as glass silk flosssilk wadding, polyurethane foam can be replaced.Closely being wrapped up in by nanoporous aerogel thermal insulating material 2 by Bond invests on steel pipe 1, and its outer surface is provided with fixing strapping strand 5, begins to take shape heat-insulated pipe.The thickness of nanoporous aerogel thermal insulating material 2 can carry out type selecting according to the load condition of actual heat supply, cooling and ambient conditions.Insulation quilt thickness is different according to heat supply, cooling pipeline medium, usually between 10-30mm.
Reflect radiation heat aluminium foil cloth 3 has good anti-vapor permeability, water proofing property and moisture proofness, is wrapped up in and invests outside thermal insulating material, improves the combination property of pipeline further.
The performances such as outer surface seal protection shell 4 has waterproof, protection against the tide, anticorrosive, chemical stability is good, have mechanical strength concurrently high simultaneously, and softening under Environmental Conditions, not embrittlement and aging-resistant feature.Insulated piping is pre-formed, meet construction requirement.External sealed protection shell is glass fibre reinforced plastic material, and its thickness is generally 2-5mm.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within scope of the present utility model.
Claims (5)
1. the prefabricated composite adiabatic tubular construction of nanoporous aerogel, described composite adiabatic tubular construction comprises steel pipe, nanoporous aerogel thermal insulating material, reflect radiation heat aluminium foil cloth and external sealed protection shell, it is characterized in that, described composite adiabatic tubular construction sets gradually described steel pipe from inside to outside, nanoporous aerogel thermal insulating material, reflect radiation heat aluminium foil cloth and external sealed protection shell, wherein, described nanoporous aerogel thermal insulating material is wrapped up in by Bond and is invested on steel pipe, the outer surface of described nanoporous aerogel thermal insulating material is provided with fixing strapping strand, described reflect radiation heat aluminium foil cloth is wrapped up in and is invested on described aerogel thermal insulating material and strapping strand thereof, the outer surface of described reflect radiation heat aluminium foil cloth is also provided with fixing strapping strand, described external sealed protective tube valve jacket is located at the outer surface of described reflect radiation heat aluminium foil cloth and strapping strand thereof.
2. the prefabricated composite adiabatic tubular construction of nanoporous aerogel felt according to claim 1, is characterized in that, described steel pipe is carry out the Spiral Steel Pipe after anticorrosion and Shot Blasting or seamless steel pipe to its surface, and its thickness is 8-14mm.
3. the prefabricated composite adiabatic tubular construction of nanoporous aerogel felt according to claim 1, is characterized in that, described nanoporous aerogel thermal insulating material is nanoporous aerogel insulation quilt, and its thickness is 10-30mm.
4. the prefabricated composite adiabatic tubular construction of nanoporous aerogel felt according to claim 1, is characterized in that, described nanoporous aerogel thermal insulating material is nanometer titanium dioxide silica aerogel.
5. the prefabricated composite adiabatic tubular construction of nanoporous aerogel felt according to claim 1, is characterized in that, described external sealed protection shell is glass fibre reinforced plastic material, and its thickness is 2-5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520307763.0U CN204592601U (en) | 2015-05-13 | 2015-05-13 | The prefabricated composite adiabatic tubular construction of a kind of nanoporous aerogel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520307763.0U CN204592601U (en) | 2015-05-13 | 2015-05-13 | The prefabricated composite adiabatic tubular construction of a kind of nanoporous aerogel |
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| CN204592601U true CN204592601U (en) | 2015-08-26 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105715913A (en) * | 2016-04-14 | 2016-06-29 | 南通德瑞森复合材料有限公司 | Heat preservation fiber reinforced plastic pipe |
| CN113339563A (en) * | 2021-06-22 | 2021-09-03 | 徐正强 | Detachable valve cold insulation device |
| CN114057433A (en) * | 2021-11-22 | 2022-02-18 | 中凝科技(湖北)有限公司 | Aerogel thermal insulation pipe shell and preparation method thereof |
| CN114508960A (en) * | 2022-01-27 | 2022-05-17 | 金久龙实业有限公司 | Heat circulation system for wrapping belt production line |
| WO2022170889A1 (en) * | 2021-02-09 | 2022-08-18 | 徐正强 | Heat insulation system, detachable valve cool insulation apparatus, and pipe heat tracing apparatus |
-
2015
- 2015-05-13 CN CN201520307763.0U patent/CN204592601U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105715913A (en) * | 2016-04-14 | 2016-06-29 | 南通德瑞森复合材料有限公司 | Heat preservation fiber reinforced plastic pipe |
| WO2022170889A1 (en) * | 2021-02-09 | 2022-08-18 | 徐正强 | Heat insulation system, detachable valve cool insulation apparatus, and pipe heat tracing apparatus |
| CN113339563A (en) * | 2021-06-22 | 2021-09-03 | 徐正强 | Detachable valve cold insulation device |
| CN113339563B (en) * | 2021-06-22 | 2022-04-22 | 徐正强 | Detachable valve cold insulation device |
| CN114057433A (en) * | 2021-11-22 | 2022-02-18 | 中凝科技(湖北)有限公司 | Aerogel thermal insulation pipe shell and preparation method thereof |
| CN114508960A (en) * | 2022-01-27 | 2022-05-17 | 金久龙实业有限公司 | Heat circulation system for wrapping belt production line |
| CN114508960B (en) * | 2022-01-27 | 2023-12-01 | 金久龙实业有限公司 | Thermal circulation system for wrapping tape production line |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20170809 Address after: 100073, Beijing Gaobeidian Chaoyang District Township Cultural Industry Park No. 4-25 Beijing Huayuan heat pipe network Co., Ltd. Patentee after: Beijing Beijing Star Energy Technology Co Ltd Address before: 100126, Beijing Gaobeidian Chaoyang District Township Cultural Industry Park No. 4-25 Beijing Huayuan heat pipe network Co., Ltd. Patentee before: Ding Lifeng |