CN109027525A - A kind of aerial thermal insulating structure of steam pipeline and its construction method - Google Patents
A kind of aerial thermal insulating structure of steam pipeline and its construction method Download PDFInfo
- Publication number
- CN109027525A CN109027525A CN201811054449.0A CN201811054449A CN109027525A CN 109027525 A CN109027525 A CN 109027525A CN 201811054449 A CN201811054449 A CN 201811054449A CN 109027525 A CN109027525 A CN 109027525A
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- Prior art keywords
- layer
- insulating layer
- antiradiation
- outer cover
- aluminium foil
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/029—Shape or form of insulating materials, with or without coverings integral with the insulating materials layered
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/026—Mattresses, mats, blankets or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/027—Bands, cords, strips or the like for helically winding around a cylindrical object
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/028—Composition or method of fixing a thermally insulating material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/08—Means for preventing radiation, e.g. with metal foil
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/12—Arrangements for supporting insulation from the wall or body insulated, e.g. by means of spacers between pipe and heat-insulating material; Arrangements specially adapted for supporting insulated bodies
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Insulation (AREA)
- Laminated Bodies (AREA)
Abstract
The present invention relates to a kind of aerial thermal insulating structure of steam pipeline and its construction methods, including instrumentation tubes, the outer cover of instrumentation tubes is equipped with the first insulating layer, the outer cover of first insulating layer is equipped with the first antiradiation layer, the outer cover of first antiradiation layer is equipped with the second insulating layer, the outer cover of second insulating layer is equipped with the second antiradiation layer, the outer cover of second antiradiation layer is equipped with third insulating layer, the outer cover of third insulating layer is equipped with third antiradiation layer, the outer cover of third antiradiation layer is equipped with the 4th insulating layer, the outer cover of 4th insulating layer is equipped with the 4th antiradiation layer, the outer cover of 4th antiradiation layer is equipped with external protection.This makes somebody a mere figurehead the easy for construction of thermal insulating structure of steam pipeline, saves the usage amount of material, ensures heat preservation quality, whole energy effect is good, and economic results in society are significant.
Description
Technical field
The present invention relates to a kind of aerial thermal insulating structure of steam pipeline and its construction methods, belong to Construction technology of outer thermal insulation field.
Background technique
The existing hot heat-insulation system of pipeline is made using this kind of aluminosilicate property thermal insulation material of such as mineral wool or rock wool mostly
At insulating layer, be directly shaped in outside pipeline.In order to reach preferable heat insulation effect, the insulation layer thickness being arranged outside pipeline
All larger, transport and installation to pipeline bring difficulty.Moreover, when there is the influences such as breakage heat preservation in the insulating layer of pipeline
When the problem of effect, whole insulating tube is often needed replacing, which not only improves the manpower of maintenance and material cost, is also resulted in big
The waste of amount.
Especially, when utilidor is constructed, aluminium foil composite glass fiber cloth usually is equipped in insulating layer outer cover and is come instead
Heat radiation is penetrated, it can be to account for leading thermal radiation loss in effective solution heat transfer process, energy-saving effect is significant.And often at present
The antiseptic property of the aluminium foil composite glass fiber cloth of rule is limited, once damaged, thermal insulation property occurs for aluminium foil composite glass fiber cloth
Rapid drawdown.The system more demanding for some pairs of insulation layer thicknesses and insulating efficiency, uses the basic nothing of aluminosilicate property thermal insulation material
Method is met the requirements.
Summary of the invention
The present invention is in view of the deficienciess of the prior art, provide a kind of aerial thermal insulating structure of steam pipeline and its construction party
Method, specific technical solution are as follows:
A kind of aerial thermal insulating structure of steam pipeline and its construction method, including instrumentation tubes, the outside of the instrumentation tubes are arranged
There is the first insulating layer, the outer cover of first insulating layer is equipped with the first antiradiation layer, the outer cover of the first antiradiation layer
Equipped with the second insulating layer, the outer cover of second insulating layer is equipped with the second antiradiation layer, the outside of the second antiradiation layer
Be arranged with third insulating layer, the outer cover of the third insulating layer is equipped with third antiradiation layer, the third antiradiation layer it is outer
Portion is arranged with the 4th insulating layer, and the outer cover of the 4th insulating layer is equipped with the 4th antiradiation layer, the 4th antiradiation layer
Outer cover is equipped with external protection.
As an improvement of the above technical solution, first insulating layer and the second insulating layer are pierced by hydrophobic type alumina silicate needle
Blanket winding is made.
As an improvement of the above technical solution, the third insulating layer and the 4th insulating layer by high temperature glass wool coiled sheet around
It is made.
As an improvement of the above technical solution, the first antiradiation layer, the second antiradiation layer, third antiradiation layer and
Four antiradiation layers are made of high temperature resistant aluminium foil glass fiber fabric winding.
As an improvement of the above technical solution, the external protection is made of magnesium steel pipe.
As an improvement of the above technical solution, the high temperature resistant aluminium foil glass fiber fabric is by aluminium foil and glass-fiber-fabric by being located at aluminium foil
Anti-corrosion adhesive between glass-fiber-fabric is combined by hot pressing, and the anti-corrosion adhesive is by phenol type benzoxazine, low point
Son amount polyamide curing agent, isophorone diamine, imidazoles, silane coupling agent, acetone are (90~100) according to mass ratio: (22~
30): (15~18): (1.5~2.3): (0.8~1.2): the ratio mixing of (120~150) is made.
As an improvement of the above technical solution, the back side of the aluminium foil is by roughening, then by the back side of aluminium foil and glass
Anti-corrosion adhesive is coated between cloth, and the high temperature resistant aluminium foil glass fiber fabric is finally made by hot pressing is compound.
As an improvement of the above technical solution, the compound temperature of the hot pressing be 180~190 DEG C, pressure be 3.3~
3.6bar。
A kind of construction method of aerial thermal insulating structure of steam pipeline: it is successively processed into the external from-inner-to-outer of instrumentation tubes
First insulating layer, the first antiradiation layer, the second insulating layer, the second antiradiation layer, third insulating layer, third antiradiation layer, the 4th
Insulating layer, the 4th antiradiation layer, external protection；Wherein, the first insulating layer, the second insulating layer, third insulating layer, the 4th insulating layer
It is made of cloth-like or the splicing of blanket thermal insulation material, winding, the same layer fissure of displacement, upper and lower level tooled joint is used when splicing, the lap of splice is not
Less than 100mm, angle seam is sealing cover type overlapping the slot, and the width of piece is not more than 5mm；
It after the completion of winding, is tied up using galvanized wire, ties up spacing and be not greater than 200mm；
Longitudinal joint, the circumferential weld of splicing generation should mutually stagger, and longitudinal joint should be arranged in 45 ° of models below instrumentation tubes horizontal center line
In enclosing；
The lap of splice of the high temperature resistant aluminium foil glass fiber fabric is 50mm；
The external protection made of magnesium steel pipe is upper and lower two hemihedrism plug in construction, upper and lower two hemihedrism plug in construction
It is connected and fixed by socket joint.
Beneficial effects of the present invention:
The present invention is easy for construction by optimizing to existing insulation construction, saves the usage amount of material, keeps the temperature matter
Amount is guaranteed, and whole energy effect is good, and economic results in society are significant.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of aerial thermal insulating structure of steam pipeline of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in Figure 1, the aerial thermal insulating structure of steam pipeline includes instrumentation tubes 10, the outside of the instrumentation tubes 10 is arranged
There is the first insulating layer 20, the outer cover of first insulating layer 20 is equipped with the first antiradiation layer 30, the first antiradiation layer 30
Outer cover be equipped with the second insulating layer 40, the outer cover of second insulating layer 40 is equipped with the second antiradiation layer 50, described second
The outer cover of antiradiation layer 50 is equipped with third insulating layer 60, and the outer cover of the third insulating layer 60 is equipped with third antiradiation layer
70, the outer cover of the third antiradiation layer 70 is equipped with the 4th insulating layer 80, and the outer cover of the 4th insulating layer 80 is equipped with the
The outer cover of four antiradiation layers 90, the 4th antiradiation layer 90 is equipped with external protection 100.
Wherein, first insulating layer 20 and the second insulating layer 40 are made of hydrophobic type alumina silicate needle punched blanket winding.Institute
It states third insulating layer 60 and the 4th insulating layer 80 is turned to by high temperature glass wool coiled sheet.The first antiradiation layer 30, second
Antiradiation layer 50, third antiradiation layer 70 and the 4th antiradiation layer 90 are made of high temperature resistant aluminium foil glass fiber fabric winding.It is described outer
Protective layer 100 is made of magnesium steel pipe.
The construction method of the aerial thermal insulating structure of steam pipeline is as follows:
The first insulating layer 20, the first antiradiation layer 30, second are successively processed into the external from-inner-to-outer of instrumentation tubes 10
Insulating layer 40, the second antiradiation layer 50, third insulating layer 60, third antiradiation layer 70, the 4th insulating layer 80, the 4th antiradiation layer
90, external protection 100；Wherein, the first insulating layer 20, the second insulating layer 40, third insulating layer 60, the 4th insulating layer 80 use cloth
Shape or the splicing of blanket thermal insulation material, winding are made, and the same layer fissure of displacement, upper and lower level tooled joint are used when splicing, the lap of splice is not less than
100mm, angle seam are sealing cover type overlapping the slot, and the width of piece is not more than 5mm；
It after the completion of winding, is tied up using galvanized wire, ties up spacing and be not greater than 200mm；
Longitudinal joint, the circumferential weld of splicing generation should mutually stagger, and longitudinal joint should be arranged in below 10 horizontal center line of instrumentation tubes 45 °
In range；
The lap of splice of the high temperature resistant aluminium foil glass fiber fabric is 50mm；
The external protection 100 made of magnesium steel pipe is upper and lower two hemihedrism plug in construction, upper and lower two hemihedrism plug-in type
Structure is connected and fixed by socket joint.
Embodiment 1
Then the back side of the aluminium foil will coat anti-corrosion adhesive, most by roughening between the back side of aluminium foil and glass-fiber-fabric
The high temperature resistant aluminium foil glass fiber fabric is made by hot pressing is compound afterwards.The compound temperature of the hot pressing is 180~185 DEG C, pressure
For 3.3~3.4bar.
The anti-corrosion adhesive is by phenol type benzoxazine, low molecular polyamides curing agent, isophorone diamine, miaow
Azoles, silane coupling agent, acetone are made according to the ratio mixing that mass ratio is 90:22:15:1.5:0.8:120.
Embodiment 2
Then the back side of the aluminium foil will coat anti-corrosion adhesive, most by roughening between the back side of aluminium foil and glass-fiber-fabric
The high temperature resistant aluminium foil glass fiber fabric is made by hot pressing is compound afterwards.The compound temperature of the hot pressing is 182~186 DEG C, pressure
For 3.4~3.5bar.
The anti-corrosion adhesive is by phenol type benzoxazine, low molecular polyamides curing agent, isophorone diamine, miaow
Azoles, silane coupling agent, acetone are made according to the ratio mixing that mass ratio is 96:25:16:2:1:130.
Embodiment 3
Then the back side of the aluminium foil will coat anti-corrosion adhesive, most by roughening between the back side of aluminium foil and glass-fiber-fabric
The high temperature resistant aluminium foil glass fiber fabric is made by hot pressing is compound afterwards.The compound temperature of the hot pressing is 185~190 DEG C, pressure
For 3.5~3.6bar.
The anti-corrosion adhesive is by phenol type benzoxazine, low molecular polyamides curing agent, isophorone diamine, miaow
Azoles, silane coupling agent, acetone are made according to the ratio mixing that mass ratio is 100:30:18:2.3:1.2:150.
In the above-described embodiments, phenol type benzoxazine is released without small molecule in the curing process, and cure shrinkage is small,
It is heat-resisting good, the characteristics such as water absorption rate is low.For being solidified using epoxy resin adhesive, epoxy resin cure can generate water
Point, this makes aluminium foil surface there is the hidden danger that corrosion is gone mouldy, so as to cause the corrosion resistance of normal aluminium foil composite glass fiber cloth
It can be limited.And the corrosion resistance of high temperature resistant aluminium foil glass fiber fabric of the present invention is excellent.
Due to that will not discharge small molecule in solidification process, this makes the porosity of the bonding interlayer after solidifying very low, from
And make vapor permeability become smaller, therefore the water vapor rejection effect of high temperature resistant aluminium foil glass fiber fabric of the present invention is more preferable, it can
Thermal insulation material is protected by ground.
High temperature resistant aluminium foil glass fiber fabric of the present invention carries out weather resistant experiment in high/low temperature cyclic test case, by aging 3
After month, the appearance of the high temperature resistant aluminium foil glass fiber fabric is without mildew.And normal aluminium foil composite glass fiber cloth is recycled in high/low temperature and is tried
Tryoff carry out weather resistant experiment, after aging 3 months, the appearance of the high temperature resistant aluminium foil glass fiber fabric then will appear 8~15 it is mould
Point.
High temperature resistant aluminium foil glass fiber fabric of the present invention can work under 750 DEG C of high temperature, and high temperature resistance is excellent.
For the aerial thermal insulating structure of steam pipeline since the high temperature resistant aluminium foil glass fiber fabric corrosion resistance is strong, this makes institute
The service life for stating high temperature resistant aluminium foil glass fiber fabric is high, and the heat insulation effect of the aerial thermal insulating structure of steam pipeline is protected for a long time
It holds；Simultaneously as, even if there is two layers of high temperature resistant aluminium foil glass fiber fabric to be corroded, other are several layers of using four layers of insulation construction layer
High temperature resistant aluminium foil glass fiber fabric can also work normally, thus ensure the heat preservation quality of the aerial thermal insulating structure of steam pipeline, it is whole
Energy-saving effect is good.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (9)
1. a kind of aerial thermal insulating structure of steam pipeline, including instrumentation tubes, it is characterised in that: the outer cover of the instrumentation tubes is equipped with the
The outer cover of one insulating layer, first insulating layer is equipped with the first antiradiation layer, and the outer cover of the first antiradiation layer is equipped with
The outer cover of second insulating layer, second insulating layer is equipped with the second antiradiation layer, and the outside of the second antiradiation layer is arranged
There is third insulating layer, the outer cover of the third insulating layer is equipped with third antiradiation layer, the outer cover of the third antiradiation layer
Equipped with the 4th insulating layer, the outer cover of the 4th insulating layer is equipped with the 4th antiradiation layer, the outside of the 4th antiradiation layer
It is arranged with external protection.
2. a kind of aerial thermal insulating structure of steam pipeline according to claim 1, it is characterised in that: first insulating layer and
Second insulating layer is made of hydrophobic type alumina silicate needle punched blanket winding.
3. a kind of aerial thermal insulating structure of steam pipeline according to claim 2, it is characterised in that: the third insulating layer and
4th insulating layer is turned to by high temperature glass wool coiled sheet.
4. a kind of aerial thermal insulating structure of steam pipeline according to claim 3, it is characterised in that: first antiradiation
Layer, the second antiradiation layer, third antiradiation layer and the 4th antiradiation layer are made of high temperature resistant aluminium foil glass fiber fabric winding.
5. a kind of aerial thermal insulating structure of steam pipeline according to claim 4, it is characterised in that: the external protection is by magnesium
Steel pipe is made.
6. a kind of aerial thermal insulating structure of steam pipeline according to claim 4, it is characterised in that: the high temperature resistant aluminium foil glass
Fine cloth is combined by the anti-corrosion adhesive between aluminium foil and glass-fiber-fabric by hot pressing by aluminium foil and glass-fiber-fabric, described anti-
Rotten adhesive is by phenol type benzoxazine, low molecular polyamides curing agent, isophorone diamine, imidazoles, silane coupling agent, third
Ketone is (90~100): (22~30): (15~18): (1.5~2.3): (0.8~1.2): (120~150) according to mass ratio
Ratio mixing is made.
7. a kind of aerial thermal insulating structure of steam pipeline according to claim 6, it is characterised in that: the back side of the aluminium foil passes through
Cross roughening, anti-corrosion adhesive then will be coated between the back side of aluminium foil and glass-fiber-fabric, finally by hot pressing it is compound be made it is described
High temperature resistant aluminium foil glass fiber fabric.
8. a kind of aerial thermal insulating structure of steam pipeline according to claim 6, it is characterised in that: the compound temperature of the hot pressing
Degree is 180~190 DEG C, and pressure is 3.3~3.6bar.
9. a kind of construction method of aerial thermal insulating structure of steam pipeline according to claim 5, it is characterised in that: working
The external from-inner-to-outer of pipe be successively processed into the first insulating layer, the first antiradiation layer, the second insulating layer, the second antiradiation layer,
Third insulating layer, third antiradiation layer, the 4th insulating layer, the 4th antiradiation layer, external protection；Wherein, the first insulating layer, second
Insulating layer, third insulating layer, the 4th insulating layer are made of cloth-like or the splicing of blanket thermal insulation material, winding, using same when splicing
Fault seam, upper and lower level tooled joint, the lap of splice are not less than 100mm, and angle seam is sealing cover type overlapping the slot, and the width of piece is not more than 5mm；
It after the completion of winding, is tied up using galvanized wire, ties up spacing and be not greater than 200mm；
Longitudinal joint, the circumferential weld of splicing generation should mutually stagger, and longitudinal joint should be arranged in 45 ° of ranges below instrumentation tubes horizontal center line
It is interior；
The lap of splice of the high temperature resistant aluminium foil glass fiber fabric is 50mm；
The external protection made of magnesium steel pipe is upper and lower two hemihedrism plug in construction, and upper and lower two hemihedrism plug in construction passes through
Socket joint is connected and fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811054449.0A CN109027525A (en) | 2018-09-11 | 2018-09-11 | A kind of aerial thermal insulating structure of steam pipeline and its construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811054449.0A CN109027525A (en) | 2018-09-11 | 2018-09-11 | A kind of aerial thermal insulating structure of steam pipeline and its construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109027525A true CN109027525A (en) | 2018-12-18 |
Family
ID=64621258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201811054449.0A Pending CN109027525A (en) | 2018-09-11 | 2018-09-11 | A kind of aerial thermal insulating structure of steam pipeline and its construction method |
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| CN (1) | CN109027525A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109958839A (en) * | 2019-04-29 | 2019-07-02 | 池圣耀 | A kind of pipeline preventing thermal insulation dehiscence and construction technology |
| CN111120783A (en) * | 2020-03-13 | 2020-05-08 | 江苏龙英管道新材料有限公司 | Heat supply network system capable of reducing heat loss and pipe bracket friction |
| WO2020260179A1 (en) * | 2019-06-24 | 2020-12-30 | Nies Klaus Dieter | High-temperature insulation for thermally insulating pipes |
| CN114321569A (en) * | 2021-10-29 | 2022-04-12 | 航天材料及工艺研究所 | High-temperature steam pipeline heat insulation structure, construction process and high-temperature steam pipeline |
| CN114738548A (en) * | 2022-03-28 | 2022-07-12 | 东华工程科技股份有限公司 | High-pressure steam pipeline heat insulation structure and construction method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109958839A (en) * | 2019-04-29 | 2019-07-02 | 池圣耀 | A kind of pipeline preventing thermal insulation dehiscence and construction technology |
| WO2020260179A1 (en) * | 2019-06-24 | 2020-12-30 | Nies Klaus Dieter | High-temperature insulation for thermally insulating pipes |
| US11460144B2 (en) | 2019-06-24 | 2022-10-04 | Klaus-Dieter Nies | High-temperature insulation for thermally insulating pipes |
| CN111120783A (en) * | 2020-03-13 | 2020-05-08 | 江苏龙英管道新材料有限公司 | Heat supply network system capable of reducing heat loss and pipe bracket friction |
| CN114321569A (en) * | 2021-10-29 | 2022-04-12 | 航天材料及工艺研究所 | High-temperature steam pipeline heat insulation structure, construction process and high-temperature steam pipeline |
| CN114738548A (en) * | 2022-03-28 | 2022-07-12 | 东华工程科技股份有限公司 | High-pressure steam pipeline heat insulation structure and construction method |
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Application publication date: 20181218 |