CN215172873U - Prefabricated direct-burried energy-conserving insulating tube of nanometer heat preservation - Google Patents
Prefabricated direct-burried energy-conserving insulating tube of nanometer heat preservation Download PDFInfo
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- CN215172873U CN215172873U CN202121427238.4U CN202121427238U CN215172873U CN 215172873 U CN215172873 U CN 215172873U CN 202121427238 U CN202121427238 U CN 202121427238U CN 215172873 U CN215172873 U CN 215172873U
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- 238000004321 preservation Methods 0.000 title claims abstract description 31
- 239000010410 layer Substances 0.000 claims abstract description 88
- 238000009413 insulation Methods 0.000 claims abstract description 30
- 229920002635 polyurethane Polymers 0.000 claims abstract description 25
- 239000004814 polyurethane Substances 0.000 claims abstract description 25
- 229910052751 metal Inorganic materials 0.000 claims abstract description 17
- 239000002184 metal Substances 0.000 claims abstract description 17
- 239000011241 protective layer Substances 0.000 claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 239000004744 fabric Substances 0.000 claims abstract description 7
- 239000011229 interlayer Substances 0.000 claims abstract description 7
- 230000003139 buffering effect Effects 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 239000004965 Silica aerogel Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- -1 polyethylene Polymers 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- 239000011888 foil Substances 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 abstract description 4
- 150000001875 compounds Chemical class 0.000 abstract description 3
- 239000011521 glass Substances 0.000 abstract description 3
- 238000004804 winding Methods 0.000 abstract description 2
- 238000011534 incubation Methods 0.000 abstract 1
- 239000002131 composite material Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000004075 alteration Effects 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
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000011491 glass wool Substances 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The utility model discloses a prefabricated direct-burried energy-conserving insulating tube of nanometer heat preservation, specifically include the work steel pipe, the work steel pipe outside is provided with first heat preservation, the nanometer heat preservation has been wrapped up in the first heat preservation outside, the nanometer heat preservation outside has wrapped up the heat reflection stratum, the heat reflection stratum outside has wrapped up the second heat preservation, the outer surface spiral winding of second heat preservation has the glass silk cloth; the outer side of the second heat-insulating layer is wrapped with a hard polyurethane layer, the outer side of the hard polyurethane layer is sleeved with a metal protective layer, an air interlayer is formed between the metal protective layer and the hard polyurethane layer, and the metal protective layer and the hard polyurethane layer are fixed through a connecting rib; the outer side of the metal protective layer is wrapped with a buffer heat-insulating layer, and the outer side of the buffer heat-insulating layer is wrapped with an outer protective pipe; the utility model discloses an inside and outside compound incubation structure has effectively improved the thermal insulation performance and the fractional energy saving of prefabricated direct-burried heat preservation energy-saving pipe.
Description
Technical Field
The utility model relates to a thermal insulation pipe, in particular to a prefabricated direct-buried energy-saving thermal insulation pipe with a nanometer thermal insulation layer.
Background
The prefabricated direct-buried heat-insulating energy-saving pipe is used as a heat supply pipeline, is widely applied to the aspects of chemical pipeline engineering, electric power, petroleum, central air-conditioning ventilation pipelines, central heat supply, municipal engineering and the like, and has the advantages of high-efficiency heat insulation, water resistance, corrosion resistance, flame retardance, cold resistance, light capacity, high strength, convenience in construction and the like.
At present, rigid polyurethane is generally adopted as a heat insulation material in a direct-buried heat insulation pipe in the heat supply industry; the structure of the heat preservation pipe popular in the market is as follows: the inner layer is a working steel pipe, the middle layer is a polyurethane heat-insulating layer, and the outer layer is a high-density polyethylene outer protective pipe. However, in the heat preservation technology of the prefabricated directly-buried pipe, due to the unreasonable structural design of the prefabricated directly-buried pipe and the difference of heat preservation materials, the heat loss of the pipeline is large, the energy consumption is increased, and the heat preservation and the energy conservation need to be further optimized.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes prior art's is not enough, provides a prefabricated direct-burried energy-conserving insulating tube of nanometer heat preservation to improve the thermal insulation performance of current prefabricated direct-burried insulating tube, reduce the pipeline heat and scatter and disappear.
In order to achieve the above purpose, the present invention is achieved by the following technical solutions.
A prefabricated direct-buried energy-saving heat-insulating pipe with a nanometer heat-insulating layer comprises a working steel pipe, wherein a first heat-insulating layer is arranged on the outer side of the working steel pipe, the nanometer heat-insulating layer wraps the outer side of the first heat-insulating layer, a heat reflecting layer wraps the outer side of the nanometer heat-insulating layer, a second heat-insulating layer wraps the outer side of the heat reflecting layer, and glass wool cloth is spirally wound on the outer surface of the second heat-insulating layer; the outer side of the second heat-insulating layer is wrapped with a hard polyurethane layer, the outer side of the hard polyurethane layer is sleeved with a metal protective layer, an air interlayer is formed between the metal protective layer and the hard polyurethane layer, and the metal protective layer and the hard polyurethane layer are fixed through a connecting rib; the metal protective layer outside parcel has the buffering heat preservation, the buffering heat preservation outside parcel has outer pillar.
Further, the first heat-insulating layer and the second heat-insulating layer are polyurethane heat-insulating layers.
Furthermore, the nanometer heat-insulating layer is a nanometer silica aerogel felt.
Further, the heat reflecting layer is an aluminum foil.
Furthermore, the buffer heat-insulation layer is a polyethylene foam layer.
The utility model discloses produced beneficial effect for prior art does:
the utility model discloses set up nanometer heat preservation and heat reflection stratum between first heat preservation and second heat preservation to and at this kind of compound heat preservation peripheral hardware air interlayer, effectively improved prefabricated direct-burried heat preservation energy-saving pipe's thermal insulation performance and energy-saving rate through this kind of inside and outside composite construction.
And spirally winding glass fiber cloth on the outer surface of the second insulating layer so as to ensure that the composite insulating layer cannot expand and crack and tightly wraps the working steel pipe.
The buffering heat-insulating layer arranged outside relieves the pressure on the heat-insulating layer increased by the evaporation of water drops outside the pipe.
Drawings
Fig. 1 is a schematic structural view of the direct-buried energy-saving thermal insulation pipe of the present invention.
FIG. 2 is a schematic view of the second insulating layer according to the embodiment, which is wrapped with glass fiber cloth.
In the figure, 1 is a working steel pipe; 2 is a first heat-preserving layer; 3 is a nanometer heat-insulating layer; 4 is a heat reflection layer; 5 is a second heat-insulating layer, 6 is glass cloth, 7 is a hard polyurethane layer, 8 is a metal protective layer, 9 is an air interlayer, 10 is a connecting rib, 11 is a buffer heat-insulating layer, and 12 is an outer protective pipe.
Detailed Description
In order to make the technical problem, technical scheme and beneficial effect that the utility model will solve more clearly understand, combine embodiment and attached drawing, it is right to go on further detailed description the utility model discloses. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. The technical solution of the present invention is described in detail below with reference to the embodiments and the drawings, but the scope of protection is not limited thereto.
As shown in fig. 1, the prefabricated direct-buried energy-saving thermal insulation pipe with the nanometer thermal insulation layer comprises a working steel pipe 1, a polyurethane first thermal insulation layer 2 is arranged on the outer side of the working steel pipe 1, the nanometer thermal insulation layer 3 wraps the outer side of the first thermal insulation layer 2, and the nanometer thermal insulation layer 3 is a nanometer silica aerogel felt. The outer side of the nano heat-insulating layer 3 is wrapped with a heat-reflecting layer 4 made of an aluminum foil material, the outer side of the heat-reflecting layer 4 is wrapped with a second heat-insulating layer 5 made of a polyurethane material, and the outer surface of the second heat-insulating layer 5 is spirally wound with glass cloth 6 (as shown in fig. 2); the outer side of the second heat-insulating layer 5 is wrapped with a hard polyurethane layer 7, the outer side of the hard polyurethane layer 7 is sleeved with a metal protective layer 8, an air interlayer 9 is formed between the metal protective layer 8 and the hard polyurethane layer 7, and the metal protective layer 8 and the hard polyurethane layer 7 are fixedly connected through a connecting rib 10 made of metal materials; the outer side of the metal protective layer 8 is wrapped with a buffer heat-insulating layer 11, the buffer heat-insulating layer 11 is formed by polyethylene foam, and the outer side of the buffer heat-insulating layer 11 is wrapped with an outer protective pipe 12 made of polyethylene.
The embodiment adds the nanometer heat preservation between the polyurethane heat preservation, is about to compound nanometer silica aerogel in polyurethane to increased the heat reflection layer on this basis, the thermal-insulated effect of this kind of composite construction's heat preservation is superior 5-8 times than traditional heat insulation material, and its heat preservation is effectual, the high performance of temperature resistant also further improves. Further set up air interlayer and buffering heat preservation in the skin, further improve the heat preservation effect when having outside shock-absorbing capacity, improved prefabricated direct-burried heat preservation energy-saving pipe's thermal insulation performance and energy-saving rate.
The above description is for further details of the present invention with reference to specific preferred embodiments, and it should not be understood that the embodiments of the present invention are limited thereto, and it will be apparent to those skilled in the art that the present invention can be implemented in a plurality of simple deductions or substitutions without departing from the scope of the present invention, and all such alterations and substitutions should be considered as belonging to the present invention, which is defined by the appended claims.
Claims (5)
1. A prefabricated direct-buried energy-saving heat-insulating pipe with a nanometer heat-insulating layer comprises a working steel pipe (1) and is characterized in that a first heat-insulating layer (2) is arranged on the outer side of the working steel pipe (1), the nanometer heat-insulating layer (3) is wrapped on the outer side of the first heat-insulating layer (2), a heat reflecting layer (4) is wrapped on the outer side of the nanometer heat-insulating layer (3), a second heat-insulating layer (5) is wrapped on the outer side of the heat reflecting layer (4), and glass fiber cloth (6) is spirally wound on the outer surface of the second heat-insulating layer (5); the outer side of the second heat-insulating layer (5) is wrapped with a hard polyurethane layer (7), a metal protective layer (8) is sleeved on the outer side of the hard polyurethane layer (7), an air interlayer (9) is formed between the metal protective layer (8) and the hard polyurethane layer (7), and the metal protective layer (8) and the hard polyurethane layer (7) are fixed through a connecting rib (10); the metal protective layer (8) outside parcel has buffering heat preservation (11), buffering heat preservation (11) outside parcel has outer pillar (12).
2. The prefabricated direct-buried energy-saving insulation pipe with the nanometer insulation layer as claimed in claim 1, wherein the first insulation layer (2) and the second insulation layer (5) are polyurethane insulation layers.
3. The prefabricated direct-buried energy-saving thermal insulation pipe with the nano thermal insulation layer as claimed in claim 1, wherein the nano thermal insulation layer is nano silica aerogel felt.
4. The prefabricated direct-buried energy-saving insulation pipe with the nano insulation layer as claimed in claim 1, wherein the heat reflection layer (4) is aluminum foil.
5. The prefabricated direct-buried energy-saving insulation pipe with the nano insulation layer as claimed in claim 1, wherein the buffer insulation layer (11) is a polyethylene foam layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121427238.4U CN215172873U (en) | 2021-06-25 | 2021-06-25 | Prefabricated direct-burried energy-conserving insulating tube of nanometer heat preservation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121427238.4U CN215172873U (en) | 2021-06-25 | 2021-06-25 | Prefabricated direct-burried energy-conserving insulating tube of nanometer heat preservation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215172873U true CN215172873U (en) | 2021-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121427238.4U Active CN215172873U (en) | 2021-06-25 | 2021-06-25 | Prefabricated direct-burried energy-conserving insulating tube of nanometer heat preservation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215172873U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117386896A (en) * | 2023-12-12 | 2024-01-12 | 江苏中圣管道工程技术有限公司 | Environment-friendly prefabricated heat-insulating pipeline based on foaming hardening in sleeve and preparation method thereof |
-
2021
- 2021-06-25 CN CN202121427238.4U patent/CN215172873U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117386896A (en) * | 2023-12-12 | 2024-01-12 | 江苏中圣管道工程技术有限公司 | Environment-friendly prefabricated heat-insulating pipeline based on foaming hardening in sleeve and preparation method thereof |
| CN117386896B (en) * | 2023-12-12 | 2024-03-01 | 江苏中圣管道工程技术有限公司 | Environment-friendly prefabricated heat-insulating pipeline based on foaming hardening in sleeve and preparation method thereof |
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| TR01 | Transfer of patent right |
Effective date of registration: 20231018 Address after: 041500 Qiaozigou Village, Xincheng Town, Xiangfen County, Linfen City, Shanxi Province (Xiangfen Economic and Technological Development Zone High end Equipment Manufacturing Park) Patentee after: Shanxi Liyuan Zhongtian Energy Saving Technology Co.,Ltd. Address before: 041500 west of Zhaodian village, Xiangfen County, Linfen City, Shanxi Province Patentee before: Shanxi Liyuan Zhongtian thermal insulation and anti-corrosion Engineering Co.,Ltd. |