CN209309561U - A kind of high temperature resistant hard bilayers vacuum heat-insulating plate - Google Patents
A kind of high temperature resistant hard bilayers vacuum heat-insulating plate Download PDFInfo
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- CN209309561U CN209309561U CN201821992599.1U CN201821992599U CN209309561U CN 209309561 U CN209309561 U CN 209309561U CN 201821992599 U CN201821992599 U CN 201821992599U CN 209309561 U CN209309561 U CN 209309561U
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- vacuum heat
- insulating plate
- high temperature
- temperature resistant
- resistant hard
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- 239000011162 core material Substances 0.000 claims abstract description 50
- 238000009413 insulation Methods 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 15
- 239000003365 glass fiber Substances 0.000 claims description 14
- 239000012528 membrane Substances 0.000 claims description 8
- -1 polyethylene Polymers 0.000 claims description 7
- 239000002131 composite material Substances 0.000 claims description 5
- 239000004743 Polypropylene Substances 0.000 claims description 4
- 239000005030 aluminium foil Substances 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- 239000004677 Nylon Substances 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 229920002522 Wood fibre Polymers 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 13
- 230000008569 process Effects 0.000 abstract description 7
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- 229920000742 Cotton Polymers 0.000 description 9
- 239000000835 fiber Substances 0.000 description 8
- 238000007731 hot pressing Methods 0.000 description 6
- 230000006872 improvement Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000011521 glass Substances 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
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- 244000000626 Daucus carota Species 0.000 description 3
- 235000005770 birds nest Nutrition 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 235000005765 wild carrot Nutrition 0.000 description 3
- 239000012774 insulation material Substances 0.000 description 2
- 239000011325 microbead Substances 0.000 description 2
- 239000011490 mineral wool Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
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- 239000000178 monomer Substances 0.000 description 1
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- 239000004814 polyurethane Substances 0.000 description 1
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Abstract
The utility model discloses a kind of high temperature resistant hard bilayers vacuum heat-insulating plates, it is combined by internal layer vacuum heat-insulating plate, outer layer vacuum heat-insulating plate, it is hollow structure among the core material of outer layer vacuum heat-insulating plate, internal layer vacuum heat-insulating plate is placed in hollow structure, hard films material is equipped with outside the core material of outer layer vacuum heat-insulating plate, after vacuumize process, it is compounded to form high temperature resistant hard bilayers vacuum heat-insulating plate.The utility model can be effectively shielded from heat bridge effect, and thermal insulation property is superior, and the service life of product is effectively extended by structure design.
Description
Technical field
The utility model patent is related to vacuum heat-insulating plate field, and in particular to a kind of high temperature resistant hard bilayers vacuum insulation
Plate.
Technical background
The English of vacuum heat-insulating plate is " Vacuum Insulation Panel ", and abbreviation VIP plate, is in thermal insulation material
One kind is combined by filling core material and vacuum protection surface layer, it is effectively prevented from the transmitting of heat caused by cross-ventilation, therefore
Thermal coefficient can be greatly lowered, and be less than 0.0025w/m.k, and do not contain any OD material (ozone depleting substances), tool
There are environmental protection and energy-efficient characteristic, is current efficient thermal insulation material state-of-the-art in the world.
Core material is the important component of VIP plate, plays the role of vital, pumping to the thermal coefficient of vacuum heat-insulating plate
Core material after vacuum has certain intensity, can play the role of skeletal support, and the fiber of core material is distributed the insulation to VIP plate
Degree plays a decisive role.The fiber distribution of core material is more uniform, its thermal coefficient is lower, then heat-insulating property is better.
The core material of vacuum heat-insulating plate is mainly monomer core material at present, i.e. an only monolith core material, such as powder core material, micropore
Polyurethane core material and glass fiber core material etc., these core materials all have good heat-insulation and heat-preservation.But single layer core material also has it
Limitation can play the role of heat-insulating property superposition, can also effectively improve vacuum if two blocks of different core materials are met together
The service life etc. of heat-insulating shield.So being current to be badly in need of solving with regard to how to invent a kind of high temperature resistant hard multi-layer vacuum heat-insulating plate
A problem.
The Chinese patent application of Patent No. CN107639920A discloses a kind of compound dry method hot pressing of low thermal conductivity
Core material of vacuum heat insulation plate and preparation method thereof, belongs to glass-fibre technology field, the core material by mass percentage, by 70
~80wt% ultra-fine fibre glass dry method volume cotton and 20~30wt% wet process core material of vacuum heat insulation plate hot pressing form, which realizes
The seamless combination of ultra-fine fibre glass dry method volume cotton and wet process core material of vacuum heat insulation plate, thermal coefficient are further reduced,
Surface smoothness is higher.It, will ultra-fine glass in the prior art the method includes at fine, collection cotton, clot, paving cotton, hot pressing and cutting
The production of glass fiber is separated with hot pressing, carry out the two can individually, solves hot pressing in the prior art and ultra-fine fibre glass is raw
Producing line both sides' speeds match problem, allow the production process of different performance ultra-fine fibre glass and the hot pressing process cooperate into
Row.
A kind of core material of vacuum heat insulation plate of the Chinese patent application of Patent No. CN107588287A, wherein the vacuum
Insulated panel core material includes mineral wool board, and the density of the mineral wool board is 250~300Kg/m3.It is exhausted that the invention additionally provides the vacuum
The preparation method of hot plate core material, and the vacuum heat-insulating plate including the core material of vacuum heat insulation plate.The vacuum that the invention provides is exhausted
Hot plate core material not only promotes refuse reclamation, but also significantly reduces the production cost of core material of vacuum heat insulation plate and obtain preferable
Fire protecting performance, can be cost-effective for producing movable board room field.
A kind of thermal coefficient of the Chinese patent application of Patent No. CN103196007A is smaller, lower-cost vacuum is exhausted
Hot plate core material and preparation method thereof.The core material of vacuum heat insulation plate includes mixed-forming: 70-100wt%, diameter be 6~
13um, length be 4~20mm fiber elongation method production glass chopped silk and 0~30wt%, diameter be 1.0~4um, length
For the glass fibre cotton of 1~5mm flame method production.Core plate production method uses multilayer liquid feeding, and multilayer vacuumizes dehydration, makes core plate
Inside composed structure thin and that fiber alignment is neat is formed, this structure is conducive to the reduction of core material thermal coefficient.
A kind of micro-structure of the Chinese patent application of Patent No. CN102620114A imitates the core material of vacuum heat insulation plate of Bird's Nest
And preparation method thereof, which is made of the aperture that inorfil cotton and inorfil cotton surround, and is a kind of heat-barrier material, can make
For core material of vacuum heat insulation plate.The invention is from bionics principle, using plastic microbead as core, bird saliva is imitated with inorganic glue, to cotton
Silk overlapped points are fixed, and make inorfil cotton in plastic microbead surface low-density uniform winding, and institute's shape after being decomposed with microballon
It is present in the gap between Bird's Nest branch at cavity is imitative, is prepared for a kind of stable structure, the micro-structure that fibre net homogeneity is good, rebound degree is low
The composite vacuum insulation plate core material of similar Bird's Nest.
Such as above-mentioned several patents, the relevant technical products in this field are disclosed, but how to improve making for vacuum heat-insulating plate
It is that technical problems to be solved are badly in need of in this field with service life and heat-insulating property.
Summary of the invention
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of high temperature resistant hard bilayers vacuum insulation
Plate.
In order to solve the above-mentioned technical problem, used technical solution is: a kind of high temperature resistant hard bilayers vacuum heat-insulating plate,
It is combined by internal layer vacuum heat-insulating plate and outer layer vacuum heat-insulating plate, outer layer vacuum heat-insulating plate middle section is hollow knot
Structure, the internal layer vacuum heat-insulating plate are placed in hollow structure；It is covered with hard films material outside the core material of the outer layer vacuum heat-insulating plate,
After vacuumize process, be formed as high temperature resistant hard bilayers vacuum heat-insulating plate.
As an improvement, upper and lower surfaces 0.1-2.0cm of the hollow structure apart from outer layer vacuum heat-insulating plate, a distance left side,
Right hand edge 1.0-2.0cm, apart from front and rear edges 1.0-2.0cm.
As an improvement, the size of the internal layer vacuum heat-insulating plate is identical as hollow structure size.
As an improvement, the core material of the outer layer vacuum heat-insulating plate is by mass percentage, by 70-80wt% rotary glass
The nanometer wood fibre of fiber, the flame glass fibre of 10-15wt% and 10-15wt% is prepared.
As an improvement, the hard membrane material is stainless steel membrane material, with a thickness of 0.1-3mm.
As an improvement, the core material of the internal layer vacuum heat-insulating plate is by mass percentage, it is fine by 60-80wt% rotary glass
The flame glass fibre of peacekeeping 20-40wt% forms.
As an improvement, the internal layer vacuum insulation plate surface covers composite film, the membrane material of the composite film is by poly- second
Alkene, polypropylene, polyester, any two kinds or any three kinds or any four or is all combined in nylon at aluminium foil.
Advantage possessed by the utility model: (1) two layers of vacuum heat-insulating plate is combined to together, improves vacuum heat-insulating plate
Adiabatic heat-insulation.(2) product service life is high.(3) after one of failure of vacuum heat-insulating plate, another piece still can be normal
It uses, improves its use scope and condition.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model.
Appended drawing reference are as follows: 10, the core material of outer layer vacuum heat-insulating plate；20, internal layer vacuum heat-insulating plate；30, hard membrane material.
Specific embodiment
Combined with specific embodiments below, the utility model is furtherd elucidate, it should be understood that these embodiments are merely to illustrate this
Utility model rather than limitation the scope of the utility model, after having read the utility model, those skilled in the art couple
It is as defined in the appended claims that the modification of the various equivalent forms of the utility model falls within the application.
A kind of high temperature resistant hard bilayers vacuum heat-insulating plate is combined by internal layer vacuum heat-insulating plate, outer layer vacuum heat-insulating plate,
It is hollow structure among the core material 10 of outer layer vacuum heat-insulating plate, internal layer vacuum heat-insulating plate 20 is placed in hollow structure, outer layer vacuum
It is covered with hard films material 30 outside the core material 10 of heat-insulating shield, forms high temperature resistant hard bilayers vacuum heat-insulating plate after vacuumize process.
The hard membrane material 30 of the high temperature resistant hard bilayers vacuum heat-insulating plate is stainless steel, and thickness is in 0.1-3mm.It is preferred that
For 2mm.The core material of the internal layer vacuum heat-insulating plate 20 by 60-80wt% centrifugal glass fibre and 20-40wt% flame glass
Glass fiber composition.
The membrane material of the internal layer vacuum heat-insulating plate 20 is by any two kinds in polyethylene, aluminium foil, polypropylene, polyester, nylon
Or any three kinds or it is any four kinds or all be combined.Such as it can choose are as follows: from inside and outside to being followed successively by polyethylene, aluminium
Foil, polypropylene, three layers of compound tense, each thickness degree are followed successively by 10-30nm, 20-75nm, 30-50nm, by three layers of film layer after compound
It is wrapped in core material outer layer, vacuumize process is carried out and obtains internal layer vacuum heat-insulating plate 20.
In addition, the core material 10 of the outer layer vacuum heat-insulating plate is by 70-80wt% centrifugation glass fiber, the flame of 10-15wt%
The nanometer wood fibre of glass fibre and 10-15wt% are prepared.Core material 10 is cut, intermediate setting is hollow knot
Internal layer vacuum heat-insulating plate is arranged in hollow structure structure, meanwhile, hollow structure size is identical as interior vacuum insulation board size.
Upper and lower surfaces of the hollow structure apart from outer layer vacuum heat-insulating plate are 0.1-2.0cm, apart from left and right edge
It is 1.0-2.0cm apart from back edge for 1.0-2.0cm.
The core material for selecting different fibre fractionations is made different high temperature resistant hard bilayers vacuum heat-insulating plates, and measures and lead
Hot coefficient is as shown in the table:
Table 1
The high temperature resistant hard bilayers vacuum heat-insulating plate of the core material preparation of different fiber compositions
It is shown in Table 1, in 3 groups of embodiments, thermal coefficient is respectively 0.0025w/m2.k、0.0028w/m2.k、0.0023
w/m2.k, it is seen that obtained high temperature resistant hard bilayers vacuum heat-insulating plate has efficient adiabatic heat-insulation.
It above are only a specific embodiment of the utility model, but the design concept of the utility model is not limited to
This, all non-essential modifications to the present invention made by this concept should belong to the model for invading the utility model protection
The behavior enclosed.But all contents without departing from technical solutions of the utility model, according to the technical essence of the utility model to above
Any type of simple modification, equivalent variations and remodeling, still fall within the protection of technical solutions of the utility model made by embodiment
Range.
Claims (7)
1. a kind of high temperature resistant hard bilayers vacuum heat-insulating plate, it is characterised in that: by internal layer vacuum heat-insulating plate (20) and outer layer vacuum
Heat-insulating shield (10) is combined, and outer layer vacuum heat-insulating plate (10) middle section is hollow structure, the internal layer vacuum insulation
Plate (20) is placed in hollow structure；Hard films material (30) are covered with outside the core material of the outer layer vacuum heat-insulating plate (10), are vacuumized
After processing, be formed as high temperature resistant hard bilayers vacuum heat-insulating plate.
2. a kind of high temperature resistant hard bilayers vacuum heat-insulating plate according to claim 1, it is characterised in that: the hollow knot
Upper and lower surfaces 0.1-2.0cm of the structure apart from outer layer vacuum heat-insulating plate, apart from left and right edge 1.0-2.0cm, apart from front and rear edges
1.0-2.0cm。
3. a kind of high temperature resistant hard bilayers vacuum heat-insulating plate according to claim 1, it is characterised in that: the internal layer is true
The size of empty heat-insulating shield (20) is identical as hollow structure size.
4. a kind of high temperature resistant hard bilayers vacuum heat-insulating plate according to claim 1, it is characterised in that: the outer layer is true
The core material of empty heat-insulating shield by mass percentage, by 70-80wt% centrifugal glass fibre, the flame glass fibre of 10-15wt%
It is prepared with the nanometer wood fibre of 10-15wt%.
5. a kind of high temperature resistant hard bilayers vacuum heat-insulating plate according to claim 1, it is characterised in that: the hard films
Material is stainless steel membrane material, with a thickness of 0.1-3mm.
6. a kind of high temperature resistant hard bilayers vacuum heat-insulating plate according to claim 1, it is characterised in that: the internal layer vacuum
The core material of heat-insulating shield by mass percentage, by the flame glass fibre group of 60-80wt% centrifugal glass fibre and 20-40wt%
At.
7. a kind of high temperature resistant hard bilayers vacuum heat-insulating plate according to claim 1, it is characterised in that: the internal layer vacuum
Heat-insulating shield (20) surface covers composite film, and the membrane material of the composite film is by polyethylene, aluminium foil, polypropylene, polyester, nylon
Any two kinds or any three kinds or any four are all combined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821992599.1U CN209309561U (en) | 2018-11-30 | 2018-11-30 | A kind of high temperature resistant hard bilayers vacuum heat-insulating plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821992599.1U CN209309561U (en) | 2018-11-30 | 2018-11-30 | A kind of high temperature resistant hard bilayers vacuum heat-insulating plate |
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| Publication Number | Publication Date |
|---|---|
| CN209309561U true CN209309561U (en) | 2019-08-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109185601A (en) * | 2018-11-30 | 2019-01-11 | 南京工业大学 | A kind of high temperature resistant hard bilayers vacuum heat-insulating plate |
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- 2018-11-30 CN CN201821992599.1U patent/CN209309561U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109185601A (en) * | 2018-11-30 | 2019-01-11 | 南京工业大学 | A kind of high temperature resistant hard bilayers vacuum heat-insulating plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: SUZHOU YIHE YONGLI NEW ENERGY Co.,Ltd. Assignor: NANJING University OF TECHNOLOGY Contract record no.: X2023980053999 Denomination of utility model: A high-temperature resistant hard double-layer vacuum insulation board Granted publication date: 20190827 License type: Common License Record date: 20231226 |
|
| EE01 | Entry into force of recordation of patent licensing contract |