CN108895249B - Radiation-proof heat-insulation composite structure and manufacturing method thereof - Google Patents
Radiation-proof heat-insulation composite structure and manufacturing method thereof Download PDFInfo
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- CN108895249B CN108895249B CN201810817173.0A CN201810817173A CN108895249B CN 108895249 B CN108895249 B CN 108895249B CN 201810817173 A CN201810817173 A CN 201810817173A CN 108895249 B CN108895249 B CN 108895249B
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- heat
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- 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
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- 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
Abstract
The invention relates to a radiation-proof heat-insulating composite structure and a manufacturing method thereof, wherein the radiation-proof heat-insulating composite structure consists of a frame, a heat-insulating layer A, a compactor, a sliding device, a radiation-proof layer, a heat-insulating layer B and a strapping tape, wherein the sliding device is fixedly connected to the joint surface of the frame and the compactor; the heat-insulating layer A is fixedly connected to the frame in a pressing mode through the pressing device; the radiation-proof heat-insulating composite structure is fixed by a strapping tape in the circumferential direction. The radiation-proof heat-insulating structure has the advantages of energy conservation, environmental protection and good heat-insulating effect; a medium with a lower heat conductivity coefficient is arranged in the local groove, so that the energy-saving effect is improved; the thickness of the heat-insulating layer A is reduced, the density is increased, so that the size of the externally-coated heat-insulating material is reduced, the energy-saving effect is greatly improved, the problem that the heat-insulating layer is too thick is solved, and the heat-insulating cost can be reasonably reduced; the modular structure is fast and safe to assemble and disassemble, the field construction process can be improved, the labor intensity of field construction is reduced, and the risk and the maintenance cost of the field construction are greatly reduced.
Description
Technical Field
The invention relates to the field of heat insulation engineering, in particular to a radiation-proof heat insulation composite structure and a manufacturing method thereof.
Background
In the construction process of heat preservation engineering of medium and high temperature pipelines (300-800 ℃), the current mature construction process method is as follows: the fireproof heat-insulating material is made up by using high-temp. rock wool, aluminium silicate or magnesium silicate, etc. and making them undergo the processes of cutting and coating according to design, and then coating with iron sheet or colour steel plate. The construction process method has the following disadvantages: (1) in order to meet the requirements of medium and high temperature pipeline operation, multiple layers of winding heat-insulating materials are often needed, and the heat-insulating layer is large in thickness and heavy; (2) the construction process for cutting and wrapping on site has the disadvantages of high difficulty, high risk, high labor intensity, low processing precision and low working efficiency; (3) the energy-saving effect of the heat-insulating structure made of the traditional heat-insulating material is general (refer to GB 50264-2013).
Disclosure of Invention
The invention aims to provide an energy-saving and environment-friendly high-tech radiation-proof heat-insulation composite structure to solve the engineering problems of large heat dissipation capacity of medium and high temperature pipelines, high labor intensity of heat-insulation engineering site construction, high safety risk, high maintenance cost, unsatisfactory effect and the like.
In order to solve the technical problems, the invention aims to realize the following technical scheme:
a radiation-proof heat-insulating composite structure comprises a frame, a heat-insulating layer A, a compactor, a sliding device, a radiation-proof layer, a heat-insulating layer B and strapping tapes;
the radiation-proof heat-insulation composite structure sequentially comprises the following components from inside to outside: the device comprises a sliding device, a frame, a heat insulation layer A, a radiation-proof layer and a heat insulation layer B;
wherein, the sliding device is fixedly connected to the interface of the frame and the pressing device; the heat-insulating layer A is fixedly connected to the frame in a pressing mode through the pressing device; the strapping tape for the radiation-proof heat-insulation composite structure is fixed in the circumferential direction.
Local grooves are uniformly distributed on the heat-insulating layer A, and a compactor is arranged below the local grooves.
The local groove is a space formed by sealing the heat-insulating layer A and the radiation-proof layer, and a medium with a lower heat conductivity coefficient is arranged inside the local groove.
The medium with lower heat conductivity coefficient is air or carbon dioxide.
The sliding device enables the radiation-proof and heat-insulating composite structure to move on the high-temperature pipeline.
The radiation-proof layer is of a structure with an internal smooth surface and an external rough surface.
The radiation protection layer is made of radiation protection materials: one or more of an aluminum plate, a stainless steel plate, or an aluminum foil.
The heat-insulating layer A is made of materials which have low heat conductivity coefficient under the high-temperature condition, can increase the density thereof in a compression mode and improve the heat-insulating effect.
The heat-insulating layer B is made of a material with a low heat conductivity coefficient under a relatively low temperature condition.
A method for manufacturing a radiation-proof heat-insulating composite structure adopts a compactor to compact a heat-insulating layer A onto a frame, and local grooves are extruded on the heat-insulating layer A, so that the density of the heat-insulating layer A is increased, and the heat-insulating effect is good; the periphery of heat preservation A is wrapped in proper order again and is gone up radiation protection layer and heat preservation B, uses the strapping to fix whole radiation protection adiabatic composite structure in heat preservation B's the outside, and the internally mounted of frame has slider for radiation protection adiabatic composite structure can slide on the high temperature pipeline.
The radiation-proof layer and the air bubbles sealed by the local grooves are combined to play a role in reflecting heat radiation, and the reflectivity of the radiation-proof layer can even reach 75%. The problems of common energy-saving effect of high-temperature pipelines and over-thick insulating layers are solved by utilizing the thin air or other medium layers with lower heat conductivity coefficient sealed in the middle local groove for sealing and heat insulation; by adopting the scheme of the sliding device, the radiation-proof heat-insulation composite structure can slide on a high-temperature pipeline and can be prefabricated in advance, so that the difficulty, labor intensity, risk and maintenance cost of the site construction process are greatly reduced.
The invention has the beneficial effects that:
1) the reflectivity of the heat-insulating material adopted in the radiation-proof heat-insulating composite structure can reach more than or equal to 70 percent, and the radiation-proof heat-insulating structure has the advantages of energy conservation, environmental protection and good heat-insulating effect;
2) the closed local groove of the heat insulation layer A in the radiation-proof heat insulation composite structure is internally provided with a medium with a lower heat conductivity coefficient, so that the energy-saving effect of the radiation-proof heat insulation composite structure is improved;
3) the heat-insulating layer A in the radiation-proof heat-insulating composite structure is extruded, the thickness is reduced, and the density is increased (the density is 150-3) The size of other heat insulation materials coated outside is correspondingly reduced, so that the problems of greatly improved energy-saving effect and over-thick heat insulation layer of the whole composite structure are solved on the premise of ensuring the heat insulation effect, and the heat insulation cost can be reasonably reduced;
4) the radiation-proof heat-insulation composite structure is a modular structure, can slide and be prefabricated in advance, is fast and safe to assemble and disassemble during field construction, can improve the field construction process, reduces the labor intensity of the field construction, and greatly reduces the risk and the maintenance cost of the field construction.
The four advantages enable the radiation-proof heat-insulation composite structure to have remarkable advantages in the field of heat insulation engineering.
Drawings
FIG. 1 is a schematic view of a radiation-proof and heat-insulating composite structure;
FIG. 2 is a schematic view of the structure of FIG. 1 along line A-A;
wherein, 1-frame; 2-insulating layer A; 201-local grooves; 3-a compactor; 4-a sliding device; 5-radiation protection layer; 6-insulating layer B; 7-strapping tape.
Detailed Description
The present invention will be described in further detail below: the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation is given, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 1 and fig. 2, the radiation-proof heat-insulating composite structure consists of a frame 1, a heat-insulating layer A2, a pressing device 3, a sliding device 4, a radiation-proof layer 5, a heat-insulating layer 6 and a binding belt 7,
the radiation-proof heat-insulation composite structure sequentially comprises the following components from inside to outside: the device comprises a sliding device 4, a frame 1, a heat-insulating layer A2, a radiation-proof layer 5 and a heat-insulating layer B6;
wherein, the sliding device 4 is fixedly connected on the interface of the frame 1 and the compressor 3; the heat-insulating layer A2 is pressed and fixedly connected to the frame 1 by the pressing device 3; the radiation-proof heat-insulating composite structure is fixed by a strapping tape 7 in the circumferential direction.
The local groove 201 is a space formed by sealing the insulating layer A2 and the radiation-proof layer 5, and a medium with a lower heat conductivity coefficient is arranged inside the local groove 201.
The medium with lower heat conductivity coefficient is air or carbon dioxide.
The sliding means 4 enable the movement of the radiation-proof and heat-insulating composite structure on the high-temperature pipeline.
The radiation-proof layer 5 is of a structure with an internal smooth surface and an external rough surface.
The radiation protection layer 5 is made of radiation protection materials: one or more of an aluminum plate, a stainless steel plate, or an aluminum foil.
The heat-insulating layer A2 is made of a material which has low thermal conductivity coefficient under high-temperature conditions, can increase the density thereof in a compression mode and improves the heat-insulating effect.
The heat-insulating layer B6 is made of a material with low heat conductivity coefficient under a relatively low temperature condition.
A manufacturing method of a radiation-proof heat-insulation composite structure adopts a compressor 3 to compress a heat-insulation layer A2 to a frame 1, and a local groove 201 is extruded on a heat-insulation layer A2, so that the density of the heat-insulation layer A2 is increased, and the heat-insulation effect is good; the periphery of the heat preservation layer A2 is sequentially coated with a radiation protection layer 5 and a heat preservation layer B6, the whole radiation protection and heat insulation composite structure is fixed outside the heat preservation layer B6 by using a strapping tape 7, and a sliding device 4 is arranged inside the frame 1 and can slide on a high-temperature pipeline.
Example (b):
the radiation-proof layer 5 is stainless steel foil.
The heat-insulating layer A2 is made of rock wool.
The above description is only a preferred embodiment of the present invention, and these embodiments are based on different implementations of the present invention, and the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (7)
1. The utility model provides a thermal-insulated composite construction protects against radiation, comprises frame (1), heat preservation A (2), collet (3), slider (4), layer (5) protect against radiation, heat preservation B (6), strapping (7), its characterized in that:
the radiation-proof heat-insulation composite structure sequentially comprises the following components from inside to outside: the device comprises a sliding device (4), a frame (1), a heat-insulating layer A (2), a radiation-proof layer (5) and a heat-insulating layer B (6);
wherein, the sliding device (4) is fixedly connected to the interface of the frame (1) and the presser (3); the heat-insulating layer A (2) is tightly pressed and fixedly connected onto the frame (1) by the pressing device (3); the radiation-proof heat-insulation composite structure is fixed by a strapping tape (7) in the circumferential direction;
local grooves (201) are uniformly distributed on the heat-insulating layer A (2), and a compactor (3) is arranged below the local grooves (201);
the local groove (201) is a space formed by sealing an insulating layer A (2) and a radiation-proof layer (5), and a medium with a low heat conductivity coefficient is arranged inside the local groove (201);
the medium with lower heat conductivity coefficient is air or carbon dioxide.
2. The radiation protective and insulating composite structure of claim 1, wherein:
the sliding device (4) enables the radiation-proof heat-insulating composite structure to move on the high-temperature pipeline.
3. The radiation protective and insulating composite structure of claim 1, wherein:
the radiation-proof layer (5) is of a structure with an internal smooth surface and an external rough surface.
4. The radiation protective and insulating composite structure of claim 1, wherein:
the heat-insulating layer A (2) is made of a material which has low heat conductivity coefficient under a high-temperature condition, can increase the density of the heat-insulating layer A in a compression mode and improves the heat-insulating effect.
5. The radiation protective and insulating composite structure of claim 1, wherein:
the heat-insulating layer B (6) is made of a material with low heat conductivity coefficient under a relatively low temperature condition.
6. The radiation protective and insulating composite structure of claim 1, wherein:
the radiation protection layer (5) is made of radiation protection materials, and the radiation protection materials are one or more of aluminum plates, stainless steel plates or aluminum foils.
7. The radiation protective and insulating composite structure of claim 1, wherein:
the manufacturing method of the radiation-proof heat-insulating composite structure comprises the following steps: adopt squeezer (3) to compress tightly heat preservation A (2) to frame (1), extrude local recess (201) on heat preservation A (2), cover radiation protection layer (5) and heat preservation B (6) in proper order again in the periphery of heat preservation A (2), use strapping (7) fixed whole radiation protection adiabatic composite construction in the outside of heat preservation B (6), the internally mounted of frame (1) has slider (4).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810817173.0A CN108895249B (en) | 2018-07-23 | 2018-07-23 | Radiation-proof heat-insulation composite structure and manufacturing method thereof |
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| CN201810817173.0A CN108895249B (en) | 2018-07-23 | 2018-07-23 | Radiation-proof heat-insulation composite structure and manufacturing method thereof |
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| CN108895249A CN108895249A (en) | 2018-11-27 |
| CN108895249B true CN108895249B (en) | 2020-07-07 |
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| KR200405634Y1 (en) * | 2005-10-07 | 2006-01-10 | (주)삼세대시공 | Flooring pad having air-groove |
| CN2898544Y (en) * | 2006-04-19 | 2007-05-09 | 北京市鼎超供热管有限公司 | Composite sliding thermal-insulating structure in steam pipeline |
| ES2461897T3 (en) * | 2010-11-29 | 2014-05-21 | Armacell Enterprise Gmbh & Co. Kg | Polymeric insulation fire retardant cell |
| CN105065854B (en) * | 2015-07-14 | 2017-06-16 | 徐正强 | A kind of detachable heat-insulation shell |
| CN106090459A (en) * | 2016-06-29 | 2016-11-09 | 无锡必胜必精密钢管有限公司 | A kind of prefabricated direct-buried steam insulation steel pipe |
| CN107178682A (en) * | 2017-07-19 | 2017-09-19 | 赵俊芳 | Adiabatic composite construction of a kind of antiradiation and preparation method thereof |
| CN207455064U (en) * | 2017-11-02 | 2018-06-05 | 武汉中电节能有限公司 | A kind of prefabricated direct-buried heat preservation energy-saving pipe |
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