CN105202314B - A kind of gradient function blanket of glass wool of high-temperature pipe - Google Patents
A kind of gradient function blanket of glass wool of high-temperature pipe Download PDFInfo
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- CN105202314B CN105202314B CN201510555500.6A CN201510555500A CN105202314B CN 105202314 B CN105202314 B CN 105202314B CN 201510555500 A CN201510555500 A CN 201510555500A CN 105202314 B CN105202314 B CN 105202314B
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Classifications
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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 discloses a kind of gradient function blanket of glass wool of high-temperature pipe, it is characterized in that described gradient function blanket of glass wool is that zirconium silicate, carborundum hollow ceramic powder are filled between paper and paper from the inside to the outside, aeroge is filled at interval of between super fine ceramic fiber ply of paper, paper and the paper of 1 millimeter of folder, one layer 1 micron 3 microns thick stainless steel film, volume content is 15 25%, it is 10 20% at interval of organic matter weight content in 5 millimeters of one layer of 2 microns of 4 microns of thick aluminum foil ultra-fine fibre glass ply of papers of folder and blanket, discharge rate is 20g hydrophobic fireproof glass fibre guard glass fibre cotton.Gradient function blanket of glass wool can for a long time be on active service in the environment of 500 DEG C or so, ceramic fibre ply of paper is no more than 400 DEG C with glass fiber paper layer intersection temperature, glass fiber paper layer is no more than 150 DEG C with glass fibre guard glass fibre cotton intersection temperature, overall thermal conductivity factor is in 0.045W/mK or so, the integral thickness of material is reduced significantly, beneficial to installing/dismounting, while shortening construction period, economic benefit is improved.
Description
Technical field
Patent of the present invention is related to a kind of gradient function blanket of glass wool, more particularly to a kind of gradient function of high-temperature pipe
Blanket of glass wool.
Technical background
With the development of nuclear power industry, the energy of this high-efficiency cleaning of nuclear energy is increasingly paid attention to by people, and country is to nuclear energy
Using also there is clear and definite planning, it rationally can effectively alleviate the energy danger of growing tension using nuclear energy under the premise that security is guaranteed
Machine.In fast reactor, in order that radioactive reactor core is kept apart with power generation part, sodium cooling system is divided into primary circuit and secondary returning
Road, primary circuit is directly contacted with reactor core, and heat is transmitted to secondary circuit, the sodium stream heating kettle of secondary circuit by heat exchanger
Stove, the steam of 483 DEG C or so of generation generates electricity to driving steam turbine.In nuclear power, nuclear energy is turned by the form of heat-heat exchange
Change electric energy into, therefore the transmission of heat energy is just directly connected to the heat energy efficiency of nuclear power station, and the transmission of the heat energy of nuclear power station is mainly
Realized by the pipeline technology between different units, the insulation of pipeline just seems extremely important, by heat-insulated outside pipeline, subtracting
Few heat-energy losses, can not only maintain the balance and stability of each systemic-function, it is ensured that the safe operation of nuclear power station, and can significantly carry
High heat energy efficiency.As can be seen here, the heat preservation energy-saving of nuclear power plant technique pipeline has important direct valency to the generating efficiency of nuclear power station
Value, and with boundless development prospect.
Heat-insulating material occupies and its important ground in the insulation of the Thermal Power Stations such as nuclear power, thermoelectricity, energy-conservation, synergy
Position, it, which has, saves the energy, reduces heat loss, meets power plant process requirement, it is ensured that equipment, personal safety, improve environment, improves
Economic benefit etc. is acted on, and is the important component in nuclear power plant construction.Domestic Nuclear piping is typically using traditional at present
Rock wool is coated, and the thermal conductivity factor of one side rock wool is very high, duct thickness is considerably increased, on the other hand using rock cotton bale
Coating process flow is cumbersome, expends substantial amounts of manpower and materials, China's just Nuclear Power Development cause energetically, build nuclear power station group quantity occupy it is complete
Ball first, but higher requirement also is proposed to the insulation material of pipe-line equipment simultaneously.The guarantor of correct selection pipeline and equipment
Adiabator, can not only improve the heat-economy of nuclear power station can also reduce the investment cost of nuclear power station, for Nuclear Electricity
Development has great impetus.
The Chinese invention patent of Application No. 201310011984.9 discloses a kind of Nuclear Power Plant Equipment and pipeline uses compound
Type heat-insulation layer, the heat-insulation layer is formed by some independent heat insulating block overlap joints；When Nuclear Power Plant Equipment or pipeline outer wall temperature are high
When 200 DEG C, described heat insulating block loads inner thermal insulating layer, supporting layer one, the neutron screen for coating isolated material successively in housing
Cover layer, supporting layer two, gamma shielding layer, supporting layer three and external thermal insulation；When Nuclear Power Plant Equipment or pipeline outer wall temperature are less than 200
DEG C when, described heat insulating block neutron shield layer, supporting layer two, the gamma shielding of filling cladding isolated material successively in housing
Layer, supporting layer three, external thermal insulation.The advantage of the invention is can be on the basis of insulation demand be met, and reduction personnel are subject to
Irradiation dose, meets the design principle of " reasonable is as far as possible low ".It has the disadvantage when outside wall temperature it is too high more than 500 DEG C when, hold
Easily cause inner thermal insulating layer and be partially filled with thing failure, and then influence its thermal and insulating performance, its heat insulating block structure design is more in addition
Complexity, requires higher to interlayer, fragile in the maintenance unloading process in later stage and fail.
The Chinese utility model of Application No. 201220616177.0 discloses a kind of steam using three layers of insulation construction
Conveyance conduit, the steam conveying pipe be inner sliding type pipeline, it is interior to be followed successively by outside interior instrumentation tubes, hard nanometer thermal insulation composite wood
The bed of material, hard refractory mineral wool layer, organic foam layer and outer steel pipe, using hard nanometer heat insulation composite material layer and hard
Pyroceram cotton layer instead of, and air layer is not present in existing calcium silicates watt or magnesium silicate watt, pipeline, it is to avoid air layer
Easily intake a series of problems brought, without separately setting slip, guiding trestle.The advantage of the utility model is steam conveying
Pipeline has very strong anti-pressure ability, and high insulating effect, and good water-proof effect is lightweight, is readily transported and installs, has saved life
Cost is produced, be can be widely applied in steam conveying pipe manufacturing field.It has the disadvantage compound using hard nanometer thermal insulation
Material layer, is easily damaged during installing/dismounting, in turn results in the failure of heat-insulation layer, influences the integral heat insulation of material
Performance.
Two patents as described above, in terms of pipe insulation, especially in terms of high-temperature pipe heat transfer, single thermal insulating material
Expect that generally existing thermal conductivity factor is high, the problems such as thickness is blocked up, and overall insulating layer module exist highest heatproof not enough, making
The problems such as complex process, are not met by current application present situation, therefore it is existing to solve to be badly in need of a kind of new insulation construction
The problem of.
The content of the invention
The purpose of patent of the present invention is intended to overcome the deficiencies in the prior art that there is provided a kind of thermal conductivity factor for high-temperature pipe
The gradient function blanket of glass wool that smaller, structure more optimizes.
To realize that the technical scheme that the purpose of patent of the present invention is used is：A kind of gradient function glass of high-temperature pipe
Blanket, it is characterised in that the innermost layer of described gradient function blanket of glass wool is that the superfine ceramic that thickness is 2 millimeters -4 millimeters is fine
Ply of paper is tieed up, fibrous paper thickness is 5 microns -15 microns, and zirconium silicate, carborundum hollow ceramic powder, powder are filled between paper and paper
Body particle size is 10 nanometers -50 nanometers, and the wall thickness of powder is 1 nanometer -3 nanometers, micro- at interval of one layer 1 micron of 1 millimeter of folder -3
The thick stainless steel film of rice, stainless steel film is used for the heat for reflecting interior conduit, ceramic fibre ply of paper is handed over glass fiber paper layer
Temperature is no more than 400 DEG C at boundary.
The intermediate layer of gradient function blanket of glass wool is the ultra-fine fibre glass ply of paper that thickness is 5 millimeters -50 millimeters, fibrous paper
Thickness is 2 microns -10 microns, aeroge is filled between paper and paper, volume content is 15-25%, and one layer 2 is pressed from both sides at interval of 5 millimeters
- 4 microns of thick aluminum foils of micron, are made up of paper tinsel glass-fiber-fabric, flame-retarding adhesive and the part of glass-fiber-fabric three, and aluminium foil film is used to reflect ultra-fine pottery
The heat of porcelain fiber paper, makes glass fiber paper layer be no more than 150 DEG C with glass fibre guard glass fibre cotton intersection temperature.
The outermost layer of gradient function blanket of glass wool is the hydrophobic fireproof glass fibre guard glass fibre cotton that thickness is 10 millimeters -20 millimeters,
Containing the organic matter that heat-insulating property is excellent in blanket, the weight content of organic matter is 10-20%, and discharge rate is 20g；
The beneficial effects of the invention are as follows：1. the most inner side of gradient function blanket of glass wool is ceramic fibre ply of paper, is resistant to 1450
DEG C high temperature, intermediate layer is ultra-fine fibre glass ply of paper, can effectively prevent heat transfer, and outermost layer is hydrophobic fireproof glass fibre
Blanket, can prevent Water accumulation after being handled through hydrophobic, each blanket synergy, considerably increase security performance；2. gradient work(
Each heat-reflecting layer can be set inside blanket of glass wool, can further prevent heat to scatter and disappear, it is ensured that pipe insulation effect；3. it is terraced
Degree functional glass blanket can for a long time be on active service in the environment of 500 DEG C or so, and ceramic fibre ply of paper has a common boundary with glass fiber paper layer
Locate temperature and be no more than 400 DEG C, glass fiber paper layer is no more than 150 DEG C, overall heat conduction with glass fibre guard glass fibre cotton intersection temperature
Coefficient reduces the integral thickness of material significantly in 0.045W/mK or so, on the one hand reduces the space shared by pipeline,
It is easy to human users, on the other hand modular design make it that the repair demolition in later stage is more convenient, reduces maintenance cycle, greatly
Improve economic benefit greatly.
Brief description of the drawings
Fig. 1 is the high-temperature pipe structure chart being incubated using gradient function blanket of glass wool.
10 be interior instrumentation tubes in figure, and 20 be super fine ceramic fiber ply of paper, and 30 be ultra-fine fibre glass ply of paper, and 40 be every hydrophobic
Combustion-proof glass fiber blanket.
Embodiment
With reference to specific embodiment, the present invention is furture elucidated, it should be understood that these embodiments are merely to illustrate the present invention
Rather than limitation the scope of the present invention, after the present invention has been read, various equivalences of the those skilled in the art to the present invention
The modification of form falls within the application appended claims and limited.
Embodiment 1
Reference picture 1, is the high-temperature pipe structure chart that a kind of use gradient function blanket of glass wool is incubated, and 10 be interior work
Pipe, 20 be super fine ceramic fiber ply of paper, and 30 be ultra-fine fibre glass ply of paper, and 40 be that, every hydrophobic fireproof glass fibre guard glass fibre cotton, it is special
Levy and be that described gradient function blanket of glass wool is the super fine ceramic fiber ply of paper that thickness is 2 millimeters, fiber successively from the inside to the outside
Thickness of paper degree is 5 microns, and zirconium silicate, carborundum hollow ceramic powder are filled between paper and paper, and powder granule size is 10 nanometers,
The wall thickness of powder is 1 nanometer, at interval of 1 millimeter of folder, one layer 1 micron thick stainless steel film；Thickness is fine for 5 millimeters of superfine glass
Ply of paper is tieed up, fibrous paper thickness is 2 microns, aeroge is filled between paper and paper, volume content is 15%, at interval of 5 millimeters of folders one
2 microns of thick aluminum foil of layer；Thickness is that organic matter weight content is 10% in 10 millimeters of hydrophobic fireproof glass fibre guard glass fibre cotton, blanket,
Discharge rate is 20g；Ceramic fibre ply of paper and glass fiber paper layer intersection temperature are no more than 500 DEG C, glass fiber paper layer and glass
Glass fiber blanket intersection temperature is no more than 200 DEG C.
Embodiment 2
Reference picture 1, is the high-temperature pipe structure chart that a kind of use gradient function blanket of glass wool is incubated, and 10 be interior work
Pipe, 20 be super fine ceramic fiber ply of paper, and 30 be ultra-fine fibre glass ply of paper, and 40 be that, every hydrophobic fireproof glass fibre guard glass fibre cotton, it is special
Levy and be that described gradient function blanket of glass wool is the super fine ceramic fiber ply of paper that thickness is 4 millimeters, fiber successively from the inside to the outside
Thickness of paper degree is 15 microns, and zirconium silicate, carborundum hollow ceramic powder are filled between paper and paper, and powder granule size is received for 50
Rice, the wall thickness of powder is 3 nanometers, at interval of 1 millimeter of folder, one layer 3 microns thick stainless steel film；Thickness is 50 millimeters of ultra-fine glass
Glass fiber paper, fibrous paper thickness is 10 microns, aeroge is filled between paper and paper, volume content is 25%, at interval of 5 millimeters
Press from both sides one layer of 4 microns of thick aluminum foil；Thickness is that organic matter weight content is in 20 millimeters of hydrophobic fireproof glass fibre guard glass fibre cotton, blanket
20%, discharge rate is 20g；Ceramic fibre ply of paper is no more than 400 DEG C, glass fiber paper layer with glass fiber paper layer intersection temperature
150 DEG C are no more than with glass fibre guard glass fibre cotton intersection temperature
Two embodiments of the present invention are above are only, but the design concept of the present invention is not limited thereto, all profits
The change of unsubstantiality is carried out to the present invention with this design, the behavior for invading the scope of protection of the invention all should be belonged to.In every case it is
Any type of letter made without departing from the content of technical solution of the present invention, the technical spirit according to the present invention to above example
Single modification, equivalent variations and remodeling, still fall within the protection domain of technical solution of the present invention.
Claims (1)
1. a kind of gradient function blanket of glass wool of high-temperature pipe, it is characterised in that described gradient function blanket of glass wool by it is interior extremely
Outer is the super fine ceramic fiber ply of paper that thickness is 2 millimeters -4 millimeters successively, and fibrous paper thickness is 5 microns -15 microns, paper and paper it
Between be filled with zirconium silicate, carborundum hollow ceramic powder, powder granule size is 10 nanometers -50 nanometers, and the wall thickness of powder is received for 1
- 3 nanometers of rice, at interval of 1 millimeter of folder, one layer 1 micron -3 microns thick stainless steel film；Thickness is 5 millimeters -50 millimeters of ultra-fine glass
Glass fiber paper, fibrous paper thickness is 2 microns -10 microns, aeroge is filled between paper and paper, volume content is 15-25%, often
Interval 5 millimeters of folders, one layer of 2 microns of -4 microns of thick aluminum foil；Thickness is 10 millimeters -20 millimeters of hydrophobic fireproof glass fibre guard glass fibre cotton, cotton
Organic matter weight content is 10-20% in felt, and discharge rate is 20g；Ceramic fibre ply of paper and glass fiber paper layer intersection temperature
No more than 400 DEG C, glass fiber paper layer is no more than 150 DEG C with glass fibre guard glass fibre cotton intersection temperature.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510555500.6A CN105202314B (en) | 2015-08-31 | 2015-08-31 | A kind of gradient function blanket of glass wool of high-temperature pipe |
Applications Claiming Priority (1)
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| CN201510555500.6A CN105202314B (en) | 2015-08-31 | 2015-08-31 | A kind of gradient function blanket of glass wool of high-temperature pipe |
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| CN105202314A CN105202314A (en) | 2015-12-30 |
| CN105202314B true CN105202314B (en) | 2017-10-27 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105570615B (en) * | 2016-01-19 | 2018-02-06 | 南京航空航天大学 | A kind of gradient nano aeroge glass fibre guard glass fibre cotton of high-temperature pipe |
| CN107218477B (en) * | 2017-06-14 | 2018-12-11 | 南京航空航天大学 | A kind of heat preservation module structure applied to high-temperature pipe heat transfer |
| CN110805788B (en) * | 2019-12-03 | 2022-03-15 | 中发创新(北京)节能技术有限公司 | Gradient structure heat-insulating material for heat preservation of plane equipment in high-temperature environment |
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| JPH01111422A (en) * | 1987-10-22 | 1989-04-28 | Seibu Giken:Kk | Production of moisture absorptive sheet and element for exchanging moisture |
| CN201187641Y (en) * | 2007-08-03 | 2009-01-28 | 河北西伯力特种橡胶有限公司 | Environment protection type fire resistant heat insulation packing hose assembly |
| CN101799099B (en) * | 2010-04-16 | 2011-08-31 | 中国人民解放军国防科学技术大学 | Nanometer multiple-layer composite thermal insulation material and preparation method thereof |
| CN102788227B (en) * | 2011-05-17 | 2016-04-27 | 张家港中集圣达因低温装备有限公司 | A kind of high vacuum multiple layer heat insulation structure of adsorbable hydrogen |
| CN202530588U (en) * | 2012-03-22 | 2012-11-14 | 内蒙古滨莱新型材料有限公司 | Novel dispersion compensation fiber (DCF) nanometer plate integrating degasification, fire prevention and heat preservation |
| CN202914905U (en) * | 2012-11-20 | 2013-05-01 | 江苏德威节能有限公司 | Steam conveying pipeline with three-layer heat preservation structure adopted |
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