CN211165675U - High-temperature-resistant grid layer and composite hollow heat-insulating cotton thereof - Google Patents
High-temperature-resistant grid layer and composite hollow heat-insulating cotton thereof Download PDFInfo
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- CN211165675U CN211165675U CN201922006008.XU CN201922006008U CN211165675U CN 211165675 U CN211165675 U CN 211165675U CN 201922006008 U CN201922006008 U CN 201922006008U CN 211165675 U CN211165675 U CN 211165675U
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Abstract
The utility model discloses a high temperature resistant grid layer and composite hollow heat preservation cotton thereof, the high temperature resistant grid layer comprises an inner core and an outer layer; the inner core and the outer layer are of an integral structure; the inner core is positioned inside the outer layer; the surface of the inner core is uniformly provided with a plurality of holes. A composite hollow heat insulation cotton comprises the high temperature resistant grid layer, a heat insulation layer, a protective layer; the surface of the heat insulation layer is provided with a heat insulation layer; a protective layer is arranged on the surface of the heat insulating layer; the heat insulation layer comprises a sealing layer, an isolation layer and a reflecting layer; the isolation layer comprises a reflecting film and a high-temperature-resistant grid layer; the heat insulation layer is in contact connection with the heat insulation layer; the heat insulating layer is contacted with the protective layer. The utility model discloses not only energy-conservation lowers the temperature and falls, and it is effectual to keep warm safe, keep warm, and long-time constraint can not destroy the cotton structure that keeps warm, and the installation saves time moreover, has stronger acid and alkali resistance, ageing resistance, ultraviolet resistance, weatherability good simultaneously, and is corrosion-resistant, and life is longer, has saved manufacturing cost.
Description
Technical Field
The utility model relates to a net layer and heat preservation are cotton thereof, especially relate to a high temperature resistant net layer and compound cavity heat preservation are cotton thereof.
Background
At present, people's consciousness of energy conservation in various production and life is continuously improved, and heat-insulating coating materials are widely used in various industrial pipelines, kilns, buildings and the like. In the prior art, when the pipeline is insulated, the insulation cotton needs to be wound on the surface of the pipeline and then bound and fixed by using devices such as ropes and the like, so that the operation is troublesome, and the structure of the insulation cotton can be damaged by long-time binding, so that the service life of the insulation cotton is reduced; moreover, a certain gap exists between the bound and fixed heat insulation cotton and the pipeline, so that the heat insulation performance of the pipeline is reduced; when the pipeline needs to be overhauled, the heat-insulation cotton needs to be disassembled, the disassembling process is complicated, and the heat-insulation cotton is easily damaged and cannot be used any more.
The existing overhead pipeline has loose structure under the condition of heat preservation, is influenced by dead weight and vibration, is easy to disintegrate and settle after water enters, so that the temperature of the upper half is higher and higher, the pressure drop and the temperature drop of the pipeline are large, and the pipeline is particularly serious in wind, snow, rain and dew winter; the life cycle is short, and regular maintenance is needed; the heat preservation stability is poor, and the heat loss is serious year by year.
The existing buried pipeline has the current situation of heat preservation, the heat preservation performance is reduced and even fails after meeting water and absorbing moisture, and the center of gravity shifts, the structure is damaged and loosens after long-term use; the soil is in an acid-base environment, can corrode for a long time and damage pipelines, and has poor heat preservation performance stability and serious heat loss year by year; the life cycle is short, and regular maintenance and replacement are required, so that the production cost is increased.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects of the prior art, the utility model provides a high temperature resistant grid layer and composite hollow heat insulation cotton thereof.
In order to solve the technical problem, the utility model discloses a technical scheme is: a high temperature resistant grid layer comprises an inner core and an outer layer; the inner core and the outer layer are of an integral structure; the inner core is positioned inside the outer layer; the surface of the inner core is uniformly provided with a plurality of holes.
The inner core and the outer layer are made of high-temperature resistant ceramic fiber paper or glass fiber needled felt or aramid fiber ropes.
A composite hollow heat insulation cotton comprises the high temperature resistant grid layer, a heat insulation layer, a protective layer; the surface of the heat insulation layer is provided with a heat insulation layer; a protective layer is arranged on the surface of the heat insulating layer;
the heat insulation layer comprises a sealing layer, an isolation layer and a reflecting layer; an isolation layer is arranged at the upper end of the reflecting layer; a sealing layer is arranged at the upper end of the isolation layer; the number of the isolation layers is one or two; the isolation layer comprises a reflecting film and a high-temperature-resistant grid layer; the upper end of the reflecting film is provided with a high-temperature-resistant grid layer;
the protective layer comprises a heat-insulating layer and a protective layer; a protective layer is arranged at the upper end of the heat-insulating layer;
the heat insulation layer is in contact connection with the heat insulation layer; the heat insulating layer is contacted with the protective layer.
A plurality of heat insulation layers are provided; the heat insulation layers comprise a reflection film, glass fiber cotton and glass fiber cloth; the upper ends of the reflecting films are connected with the glass fiber cotton in a bonding way through flexible high-temperature-resistant glue; the upper end of the glass fiber cotton is connected with the glass fiber cloth in a bonding way through flexible high-temperature-resistant glue.
The isolation layer is connected with the sealing layer in an adhering way through flexible high-temperature-resistant glue; the reflecting film of the isolation layer is connected with the high-temperature-resistant grid layer in a bonding way through flexible high-temperature-resistant glue.
The reflecting layer comprises silica gel cloth and a reflecting film; the upper end of the silica gel cloth is connected with the reflecting film in a bonding way through flexible high-temperature-resistant glue.
The heat-insulating layer is made of PE foamed cotton; the protective layer is made of PVC; the heat-insulating layer is connected with the protective layer in a bonding way through flexible high-temperature-resistant glue.
The sealing layer is made of silica gel cloth.
The utility model discloses not only clean, pleasing to the eye, toughness is good, anti trample press, can wash, seamless, the installation saves time moreover, the loss is few, the preforming, it is convenient to install and dismantle, and site operation is convenient, need not large-scale installation, has stronger acid and alkali resistance, ageing resistance, ultraviolet resistance, weatherability simultaneously and is good, and is corrosion-resistant, and life is longer, has saved manufacturing cost. The design not only saves energy, reduces temperature drop, has safe heat preservation and good heat preservation effect, can not damage the structure of the heat preservation cotton after being bound for a long time, but also reduces the cost of a pipe gallery and a bracket; meanwhile, the external steel sleeve, the anticorrosive coating and the welding amount are reduced, the earth volume is reduced, shallow burying is facilitated, transportation and storage are reduced, the cost performance is high, and the method has wide applicability.
Drawings
Fig. 1 is a schematic view of the overall structure of a refractory mesh layer.
Fig. 2 is a schematic view of the overall structure of the composite hollow heat-insulating cotton.
Fig. 3 is a schematic structural diagram of the thermal insulation layer.
In the figure: 1. an inner core; 2. an outer layer; 3. a thermal insulation layer; 4. a heat insulating layer; 5. a protective layer; 6. a sealing layer; 7. an insulating layer; 8. a reflective layer; 9. a high temperature resistant mesh layer; 10. a protective layer; 11. and (7) an insulating layer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The high-temperature-resistant grid layer shown in fig. 1-3 comprises an inner core 1 and an outer layer 2; the inner core 1 and the outer layer 2 are of an integral structure; the inner core 1 is positioned inside the outer layer 2; a plurality of holes are uniformly arranged on the surface of the inner core 1. The holes formed on the surface of the inner core 1 can be in any shape, and are not limited to a specific shape.
The inner core 1 and the outer layer 2 are made of high-temperature resistant ceramic fiber paper or glass fiber needled felt or aramid fiber ropes. The materials of the inner core 1 and the outer layer 2 are not limited to the three materials, and the materials have high temperature resistance, certain thickness and hollow porous structure. The high-temperature resistant ceramic fiber paper has the advantages of high strength, tearing resistance, high flexibility, low slag ball content, accurate thickness, thermal shock resistance, extremely low thermal conductivity and the like. The glass fiber needled felt has the advantages of good heat-breaking performance, non-combustibility, no deformation, no embrittlement and high temperature resistance up to 700 ℃; the sound absorption rate is good; the insulativity is high; the corrosion resistance is high; the recovery property is good; good shock absorption and flame retardant performance; light weight and softness. The aramid fiber has good mechanical properties, higher breaking strength than common terylene, cotton, nylon and the like, larger elongation, soft hand feeling, good spinnability, excellent flame retardance and heat resistance, good thermal stability, no melting and dripping under the condition of high temperature, excellent resistance to most chemical substances, resistance to most high-concentration inorganic acid and good alkali resistance at normal temperature; the radiation resistance is excellent; excellent friction and chemical resistance.
A kind of compound hollow insulation cotton, including the above-mentioned high temperature resistant grid layer 9, also include the insulating layer 3, the heat insulating layer 4, the protective layer 5; the surface of the heat insulation layer 3 is provided with a heat insulation layer 4; a protective layer 5 is arranged on the surface of the heat insulating layer 4; the heat insulation layer 3 is in contact connection with the heat insulation layer 4; the heat insulating layer 4 is in contact with the protective layer 5. Insulating layer 3, heat insulation layer 4, inoxidizing coating 5 are independent sealing layer module respectively, and during the use, to the pipeline user demand of reality, select insulating layer 3, heat insulation layer 4 to be several layers respectively, then superpose each layer in proper order, and the cover is put outside the pipeline, and it can to bond at the kneck at last. The design is prefabricated and formed, the installation is convenient, the site operation is convenient, the large installation is not needed, the outer steel sleeve, the anticorrosive coating and the welding amount are reduced, the earth volume is reduced, shallow burying is facilitated, the transportation and the storage are reduced, and the cost performance is high.
The heat insulation layer 3 comprises a sealing layer 6, an isolation layer 7 and a reflecting layer 8; an isolation layer 7 is arranged at the upper end of the reflecting layer 8; the upper end of the isolation layer 7 is provided with a sealing layer 6; the isolation layer 7 is connected with the sealing layer 6 in an adhesive way through flexible high-temperature-resistant glue; one or two isolation layers 7 are provided; the insulating layer 7 comprises a reflecting film and a high-temperature-resistant grid layer 9; and a plurality of holes are formed in the middle of the high-temperature-resistant grid layer 9, so that the heat insulation effect is enhanced. The upper end of the reflecting film is provided with a high-temperature resistant grid layer 9; the reflecting film of the insulating layer 7 is bonded with the high temperature resistant grid layer 9 through flexible high temperature resistant glue. Preferably, in actual use, the insulating layer 7 is provided in a maximum of two. Coating flexible high-temperature-resistant glue on the edge of the contact surface of the reflecting film of the reflecting layer 8 and the reflecting film of the insulating layer 7, and bonding and connecting the insulating layer 7 and the reflecting layer 8; if set up two-layer insulating layer 7, paint flexible high temperature resistant glue with the edge of contact between second layer insulating layer 7 and the first layer insulating layer 7 equally, realize that second layer insulating layer 7 bonds with first layer insulating layer 7 and be in the same place, insulating layer 3 that obtains finally is an independent sealing layer module.
The reflecting layer 8 comprises silica gel cloth and a reflecting film; the upper end of the silica gel cloth is connected with the reflecting film in a bonding way through flexible high-temperature-resistant glue. The sealing layer 6 is made of silica gel cloth. The silica gel cloth can be used at a low temperature of between 70 ℃ below zero and 230 ℃; ozone, oxygen, light and weather aging resistance, excellent weather resistance in field use, and a service life of 10 years; the insulating material has high insulating property, the dielectric constant is 3-3.2, and the breakdown voltage is 20-50 KV/MM; good flexibility, large surface friction and good elasticity; and (4) chemical corrosion resistance. The flexible high-temperature-resistant adhesive has an ultralow heat conductivity coefficient, is particularly obvious in high-temperature part and has extremely high stability.
A plurality of heat insulating layers 4 are provided; the heat insulation layers 4 respectively comprise a reflection film, glass fiber cotton and glass fiber cloth; the glass fiber cotton has the advantages of good insulativity, strong heat resistance, good corrosion resistance, high mechanical strength and the like. The glass fiber cloth has a good covering function, is strong in tensile strength, moisture-proof and mildew-proof, noise can be reduced by the aid of the non-smooth fabric surface, repeatability is good, trouble and labor are saved, construction is easy, and the glass fiber cloth is green and environment-friendly. The upper ends of the reflecting films are connected with the glass fiber cotton in a bonding way through flexible high-temperature-resistant glue; the upper end of the glass fiber cotton is connected with the glass fiber cloth in a bonding way through flexible high-temperature-resistant glue. When in use, the number of the heat insulation layers 4 is generally 3-5, and the required number is selected according to specific use requirements.
The protective layer 5 comprises a heat-insulating layer 11 and a protective layer 10; the upper end of the heat-insulating layer 11 is provided with a protective layer 10; the heat-insulating layer 11 is made of PE foam cotton; the PE foamed cotton has the advantages of heat insulation, condensation resistance, sound absorption, strong formability, heat resistance, good extensibility, uniform density, buffering property, no toxicity, no odor, chemical resistance, oil resistance, acid resistance, halogen resistance and other various chemicals, is very easy to process, can be cut at will, is attached to various materials, and has high foaming multiplying power, low density, thin thickness, smooth surface, high elasticity and high toughness.
The protective layer 10 is made of PVC; the heat-insulating layer 11 is connected with the protective layer 10 in an adhesive way through flexible high-temperature-resistant glue. PVC is polyvinyl chloride, has ultrahigh performance on oxidation resistance, strong acid resistance and reduction resistance, has high strength and excellent stability, is not flammable, can resist corrosion damage and other phenomena caused by climate change, is a very good material, and is visible everywhere in life due to high safety.
The utility model discloses a use does: during the use, to the pipeline user demand of reality, select insulating layer 3, heat insulation layer 4 and need several layers respectively, then according to the order of bottom to top insulating layer 3, heat insulation layer 4, inoxidizing coating 5, stack each layer in proper order, then the cover is put outside the pipeline, and it can to bond together through flexible high temperature resistant glue at the kneck at last.
The utility model has the advantages of good heat preservation effect, small heat loss, long service life, no damage when meeting water, fast construction, compact and non-collapse material, and flexible high temperature resistant glue sealing of same-layer seams; different layers are pressed, the finished product module is quickly assembled, and the protective layer is ultraviolet-proof and corrosion-resistant. The design is a novel pipeline heat-insulating external protection material which is light in weight, clean, corrosion-resistant, acid-base resistant, durable and high in cost performance, and is a novel external protection layer material product developed specially for preventing high-end heat-insulating materials from mechanical damage and resisting outdoor weather. The product is convenient to install, has excellent ultraviolet resistance, aging resistance and tear strength, belongs to a flame-retardant material, is suitable for the outer layer protection of heat preservation/cold preservation systems of various pipelines and equipment, and can be widely applied to the fields of pharmacy, food, chemical industry, electronics, commercial industry, civil use and the like.
The above embodiments are not intended to limit the present invention, and the present invention is not limited to the above examples, and the technical personnel in the technical field are in the present invention, which can also belong to the protection scope of the present invention.
Claims (8)
1. A high temperature resistant mesh layer, characterized by: comprises an inner core (1) and an outer layer (2); the inner core (1) and the outer layer (2) are of an integral structure; the inner core (1) is positioned inside the outer layer (2); the surface of the inner core (1) is uniformly provided with a plurality of holes.
2. The refractory grid layer of claim 1, wherein: the inner core (1) and the outer layer (2) are made of high-temperature-resistant ceramic fiber paper or glass fiber needled felt or aramid fiber ropes.
3. The utility model provides a compound cavity heat preservation is cotton which characterized in that: comprising a high temperature resistant mesh layer (9) according to claim 1 or 2, further comprising a thermal insulation layer (3), a thermal insulation layer (4), a protective layer (5); the surface of the heat insulation layer (3) is provided with a heat insulation layer (4); a protective layer (5) is arranged on the surface of the heat insulation layer (4);
the heat insulation layer (3) comprises a sealing layer (6), an insulation layer (7) and a reflection layer (8); an isolation layer (7) is arranged at the upper end of the reflecting layer (8); a sealing layer (6) is arranged at the upper end of the isolation layer (7); one or two isolation layers (7); the insulating layer (7) comprises a reflecting film and a high-temperature-resistant grid layer (9); the upper end of the reflecting film is provided with a high-temperature-resistant grid layer (9);
the protective layer (5) comprises a heat-insulating layer (11) and a protective layer (10); a protective layer (10) is arranged at the upper end of the heat-insulating layer (11);
the heat insulation layer (3) is in contact connection with the heat insulation layer (4); the heat insulation layer (4) is in contact connection with the protective layer (5).
4. The composite hollow thermal insulation cotton of claim 3, characterized in that: the heat insulation layers (4) are multiple; the heat insulation layers (4) comprise reflection films, glass fiber cotton and glass fiber cloth; the upper ends of the reflecting films are connected with the glass fiber cotton in a bonding way through flexible high-temperature-resistant glue; the upper end of the glass fiber cotton is connected with the glass fiber cloth in a bonding way through flexible high-temperature-resistant glue.
5. The composite hollow thermal insulation cotton of claim 4, characterized in that: the isolation layer (7) is connected with the sealing layer (6) in an adhesion way through flexible high-temperature-resistant glue; the reflecting film of the insulating layer (7) is bonded with the high-temperature-resistant grid layer (9) through flexible high-temperature-resistant glue.
6. The composite hollow thermal insulation cotton of claim 5, characterized in that: the reflecting layer (8) comprises silica gel cloth and a reflecting film; the upper end of the silica gel cloth is connected with the reflecting film in a bonding way through flexible high-temperature-resistant glue.
7. The composite hollow thermal insulation cotton of claim 6, characterized in that: the heat-insulating layer (11) is made of PE foam cotton; the protective layer (10) is made of PVC; the heat-insulating layer (11) is connected with the protective layer (10) in an adhesive way through flexible high-temperature-resistant glue.
8. The composite hollow thermal insulation cotton according to any one of claims 3 to 7, characterized in that: the sealing layer (6) is made of silica gel cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922006008.XU CN211165675U (en) | 2019-11-18 | 2019-11-18 | High-temperature-resistant grid layer and composite hollow heat-insulating cotton thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922006008.XU CN211165675U (en) | 2019-11-18 | 2019-11-18 | High-temperature-resistant grid layer and composite hollow heat-insulating cotton thereof |
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| Publication Number | Publication Date |
|---|---|
| CN211165675U true CN211165675U (en) | 2020-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922006008.XU Active CN211165675U (en) | 2019-11-18 | 2019-11-18 | High-temperature-resistant grid layer and composite hollow heat-insulating cotton thereof |
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| CN (1) | CN211165675U (en) |
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- 2019-11-18 CN CN201922006008.XU patent/CN211165675U/en active Active
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