CN210034785U - Ultra-high temperature heat-insulating pipeline compounded with polyurethane - Google Patents
Ultra-high temperature heat-insulating pipeline compounded with polyurethane Download PDFInfo
- Publication number
- CN210034785U CN210034785U CN201920127240.6U CN201920127240U CN210034785U CN 210034785 U CN210034785 U CN 210034785U CN 201920127240 U CN201920127240 U CN 201920127240U CN 210034785 U CN210034785 U CN 210034785U
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- China
- Prior art keywords
- heat preservation
- polyurethane
- pipeline
- ultra
- aerogel
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- Expired - Fee Related
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- 229920002635 polyurethane Polymers 0.000 title claims abstract description 39
- 239000004814 polyurethane Substances 0.000 title claims abstract description 39
- 238000004321 preservation Methods 0.000 claims abstract description 69
- 239000004964 aerogel Substances 0.000 claims abstract description 26
- 229920001903 high density polyethylene Polymers 0.000 claims abstract description 11
- 239000004700 high-density polyethylene Substances 0.000 claims abstract description 11
- 238000004804 winding Methods 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims abstract description 7
- 239000002184 metal Substances 0.000 claims abstract description 7
- 229910052751 metal Inorganic materials 0.000 claims abstract description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000005507 spraying Methods 0.000 claims abstract description 6
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims abstract description 5
- 125000004122 cyclic group Chemical group 0.000 claims abstract description 4
- 229910052742 iron Inorganic materials 0.000 claims abstract description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000004965 Silica aerogel Substances 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000000630 rising effect Effects 0.000 abstract description 3
- 239000011490 mineral wool Substances 0.000 abstract description 2
- 230000021715 photosynthesis, light harvesting Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 12
- 230000001681 protective effect Effects 0.000 description 4
- 238000013329 compounding Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002918 waste heat Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 238000003763 carbonization Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Rigid Pipes And Flexible Pipes (AREA)
- Thermal Insulation (AREA)
Abstract
The utility model relates to an ultra-temperature heat preservation pipeline with polyurethane complex. At present, the existing ultra-high temperature heat preservation technology usually adopts heat preservation material technologies such as polyurethane, rock wool, silicate and the like to preserve heat of an ultra-high temperature pipeline, but has high heat conductivity coefficient, high energy dissipation rate and short service life of a heat preservation layer. The utility model discloses its constitution includes: heat preservation pipeline (1), heat preservation pipeline include working pipe (5), the cyclic annular parcel aerogel heat preservation of working pipe external diameter (4), the film thickness of aerogel heat preservation be 0.5-1mm monolithic, wherein adopt the one deck film and accumulate along with the rising of temperature when the temperature is 200 degrees, the outside spraying of aerogel heat preservation have polyurethane heat preservation outer jacket (3), polyurethane heat preservation outer jacket outside installation high density polyethylene winding outer casing (2), high density polyethylene winding outer casing externally mounted metal iron shell (6). The utility model is used for with polyurethane complex ultra-temperature heat preservation pipeline.
Description
The technical field is as follows:
the utility model relates to a heat supply, cooling, the prefabricated thermal-insulated insulating tube way field of 600 ℃ ultra-temperature that oil petrochemical industry, boats and ships field used, concretely relates to with polyurethane complex ultra-temperature insulating tube way.
Background art:
at present, the existing ultra-high temperature heat preservation technology usually adopts heat preservation material technologies such as polyurethane, rock wool, silicate and the like to preserve heat of an ultra-high temperature pipeline, but has high heat conductivity coefficient, high energy dissipation rate and short service life of a heat preservation layer.
The utility model has the following contents:
the utility model aims at providing a with compound ultra-temperature heat preservation pipeline of polyurethane, it is poor mainly to solve the heat preservation effect of 600 ℃ pipeline, and coefficient of heat conductivity is high, and the energy scatters and disappears highly, the short-lived problem of heat preservation.
The above purpose is realized by the following technical scheme:
an ultra-high temperature heat preservation pipeline compounded with polyurethane comprises the following components: heat preservation pipeline, heat preservation pipeline include the working pipe, the cyclic annular parcel aerogel heat preservation of working pipe external diameter, the film thickness of aerogel heat preservation be 0.5-1mm monolithic, wherein adopt the one deck film and accumulate along with the rising of temperature when the temperature is 200 degrees, the outside spraying of aerogel heat preservation have polyurethane heat preservation outer jacket, polyurethane heat preservation outer jacket outside installation high density polyethylene winding outer casing, high density polyethylene winding outer casing externally mounted metal iron-clad.
The ultra-high temperature heat preservation pipeline compounded with polyurethane, the working pipe be the steel pipe, the aerogel heat preservation be silica aerogel, polyurethane heat preservation outer jacket adopt polyurethane composite protection or silicate composite protection, the working pipe diameter be DN15 millimeters-2000 millimeters.
The utility model has the advantages that:
1. the utility model relates to an ultra-high temperature heat preservation pipeline with polyurethane complex, this structure is applicable to-50-600 ℃ of temperature range's prefabricated thermal-insulated heat preservation pipeline, mainly comprises aerogel heat preservation, polyurethane heat preservation outer jacket compound ultra-high temperature heat preservation pipeline, and is high temperature resistant, can reach 600 ℃ and not produce carbonization and degradation phenomenon, and the fire prevention level is the highest simultaneously, reaches building A level fire prevention level, can be able to bear or endure 650 ℃ flame.
The utility model adopts the structural mode of compounding the aerogel heat-insulating layer and the polyurethane heat-insulating outer protective layer, has ultralow heat conductivity coefficient, and is specifically represented as 0.022W/MK at 100 ℃; thermal conductivity 0.027W/MK at 200 ℃; at 500 ℃, the thermal conductivity is 0.052W/MK, and the thermal conductivity is only 20 percent of that of the traditional heat-insulating material.
The utility model discloses an aerogel heat preservation, its main material are silica, also refer to silica aerogel, and this material is the lightest solid of knowing, and 98% of aerogel is the air, and minimum density is 3.55kg/m manship, has low density, high porosity, ground coefficient of thermal conductivity, low refracting index, is novel porous nanotechnology material of light, uses it at present and belongs to the pioneer technique on heat preservation pipeline.
The utility model discloses a polyurethane heat preservation be to the damage protection that aerogel heat preservation and heat reflection layer gave, can take installation metal outer pillar according to the temperature, also directly mountable high density polyethylene twines the outer pillar, carry out heat preservation processing to the waste heat that is less than 100 degrees through the polyurethane heat preservation, realize energy saving and emission reduction.
The structure and the heat preservation mode of the utility model have the strongest waterproof performance, the hydrophobic rate reaches 99.5 percent, the service life is longest, the replacement is not needed for more than 20 years, the energy is saved, and the energy saving rate reaches 30 to 50 percent.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a sectional view a-a of fig. 1.
The specific implementation mode is as follows:
example 1:
an ultra-high temperature heat preservation pipeline compounded with polyurethane comprises the following components: heat preservation pipeline 1, heat preservation pipeline include working pipe 5, the cyclic annular parcel aerogel heat preservation of working pipe external diameter 4, the film thickness of aerogel heat preservation be 0.5-1mm monolithic, wherein adopt the one deck film and accumulate along with the rising of temperature when the temperature is 200 degrees, the outside spraying of aerogel heat preservation have polyurethane heat preservation outer jacket 3, polyurethane heat preservation outer jacket outside installation high density polyethylene winding outer casing 2, high density polyethylene winding outer casing externally mounted metal iron shell 6.
Example 2:
according to the ultrahigh-temperature heat-insulating pipeline compounded with polyurethane in embodiment 1, the working pipe is a steel pipe, the aerogel heat-insulating layer is silica aerogel, the polyurethane heat-insulating outer protective layer is protected by adopting polyurethane compounding or silicate compounding, and the diameter of the working pipe is DN15mm-2000 mm.
Example 3:
the heat preservation process of the ultra-high temperature heat preservation pipeline compounded with the polyurethane according to the embodiment 1-2 comprises the following steps:
firstly, welding flaw detection treatment and corrosion prevention treatment are carried out on a working pipe, namely a high-temperature conveying pipeline, the working pipe cannot be operated with temperature at room temperature, and the working pipe is annularly wrapped by an aerogel heat-insulating layer which is selected according to a temperature medium and can resist the high temperature of 100-plus-600 ℃;
according to the medium temperature and the heat preservation requirement, the installation of a plurality of layers of aerogel heat preservation layers can be increased, a layer of film of the aerogel heat preservation layer is used for wrapping when the temperature is 200 ℃, the film wrapping of the aerogel heat preservation layer is increased every time the temperature is increased by 200 ℃ along with the increase of the temperature, the temperature is accumulated to 1000 ℃, and the requirement that the waste heat radiation is lower than 100 ℃ is met;
then spraying polyurethane heat preservation, polyurethane foaming can adopt direct spraying to foam on aerogel layer, also can adopt pipe box technique, carries out polyurethane at last and pours into the foaming, polyurethane heat preservation be to the damage protection that aerogel heat preservation and heat reflection layer gave to can take installation metal outer pillar according to the temperature, also can directly install high density polyethylene winding outer pillar, carry out heat preservation through the polyurethane heat preservation to the waste heat that is less than 100 degrees, realize energy saving and emission reduction.
The outer protective pipe can adopt a high-density polyethylene outer protective pipe or a metal outer protective pipe protective shell, is suitable for a prefabricated heat-insulation pipeline with the temperature range of-50-600 ℃, and is suitable for pipelines with the model number of DN15mm-2000 mm.
Claims (2)
1. An ultra-high temperature heat preservation pipeline compounded with polyurethane comprises the following components: thermal insulation pipeline, characterized by: the heat preservation pipeline include the working pipe, the cyclic annular parcel aerogel heat preservation of working pipe external diameter, the film thickness of aerogel heat preservation be 0.5-1mm monolithic, the outside spraying of aerogel heat preservation have polyurethane heat preservation outer jacket, polyurethane heat preservation outer jacket outside installation high density polyethylene winding outer casing, high density polyethylene winding outer casing externally mounted metal iron shell.
2. The ultra-high temperature insulation pipe compounded with polyurethane as claimed in claim 1, wherein: the working pipe be the steel pipe, the aerogel heat preservation be silica aerogel, polyurethane heat preservation outer jacket adopt polyurethane composite protection or silicate composite protection, the working pipe diameter be DN15 millimeter-2000 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920127240.6U CN210034785U (en) | 2019-01-25 | 2019-01-25 | Ultra-high temperature heat-insulating pipeline compounded with polyurethane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920127240.6U CN210034785U (en) | 2019-01-25 | 2019-01-25 | Ultra-high temperature heat-insulating pipeline compounded with polyurethane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210034785U true CN210034785U (en) | 2020-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920127240.6U Expired - Fee Related CN210034785U (en) | 2019-01-25 | 2019-01-25 | Ultra-high temperature heat-insulating pipeline compounded with polyurethane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210034785U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595429A (en) * | 2019-01-25 | 2019-04-09 | 哈尔滨朗格斯特节能科技有限公司 | The superhigh temperature utilidor and heat preservation method compound with polyurethane |
-
2019
- 2019-01-25 CN CN201920127240.6U patent/CN210034785U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595429A (en) * | 2019-01-25 | 2019-04-09 | 哈尔滨朗格斯特节能科技有限公司 | The superhigh temperature utilidor and heat preservation method compound with polyurethane |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200207 |