CN116021841A - Vacuum heat insulation integrated composite board and manufacturing method thereof - Google Patents
Vacuum heat insulation integrated composite board and manufacturing method thereof Download PDFInfo
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- CN116021841A CN116021841A CN202211714202.3A CN202211714202A CN116021841A CN 116021841 A CN116021841 A CN 116021841A CN 202211714202 A CN202211714202 A CN 202211714202A CN 116021841 A CN116021841 A CN 116021841A
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- 238000009413 insulation Methods 0.000 title claims abstract description 122
- 239000002131 composite material Substances 0.000 title claims abstract description 37
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 238000009434 installation Methods 0.000 claims abstract description 40
- 238000007789 sealing Methods 0.000 claims description 44
- 229920002748 Basalt fiber Polymers 0.000 claims description 39
- 239000004744 fabric Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- 239000000741 silica gel Substances 0.000 claims description 10
- 229910002027 silica gel Inorganic materials 0.000 claims description 10
- 239000003463 adsorbent Substances 0.000 claims description 9
- 230000004888 barrier function Effects 0.000 claims description 9
- 239000011490 mineral wool Substances 0.000 claims description 7
- 229920002635 polyurethane Polymers 0.000 claims description 7
- 239000004814 polyurethane Substances 0.000 claims description 7
- 229920005989 resin Polymers 0.000 claims description 7
- 239000011347 resin Substances 0.000 claims description 7
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 6
- 239000005011 phenolic resin Substances 0.000 claims description 6
- 229920001568 phenolic resin Polymers 0.000 claims description 6
- 239000011265 semifinished product Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- 239000011152 fibreglass Substances 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 2
- 238000002955 isolation Methods 0.000 claims 3
- 230000000694 effects Effects 0.000 abstract description 12
- -1 polyethylene Polymers 0.000 description 6
- 239000000047 product Substances 0.000 description 5
- 239000011810 insulating material Substances 0.000 description 4
- 229920001296 polysiloxane Polymers 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
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Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/242—Slab shaped vacuum insulation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B80/00—Architectural or constructional elements improving the thermal performance of buildings
- Y02B80/10—Insulation, e.g. vacuum or aerogel insulation
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- Thermal Insulation (AREA)
Abstract
The embodiment of the invention provides a vacuum heat insulation integrated composite board, and relates to the technical field of vacuum heat insulation boards. The vacuum heat-insulating integrated composite board is obtained through a vacuum heat-insulating integrated composite board manufacturing method, and comprises a vacuum heat-insulating board and a shell. The shell is internally provided with an installation space for placing the vacuum insulation panel, the shell is also provided with an air tap communicated with the installation space, the air tap is used for being connected with the vacuumizing device, and the installation space is in a vacuum state. It can be appreciated that the rigidity of the vacuum insulation panel can be effectively enhanced by arranging the outer shell on the outer part of the vacuum insulation panel, and the outer shell is used for preventing the outer sharp objects from piercing the vacuum insulation panel, so that the heat insulation effect of the vacuum insulation panel can be effectively ensured.
Description
Technical Field
The invention relates to the technical field of vacuum insulation panels, in particular to a vacuum insulation integrated composite board and a manufacturing method thereof.
Background
The vacuum heat insulating plate is one kind of super heat insulating material with heat conductivity 1/3-1/10 that of common heat insulating material. The vacuum insulation panel has excellent heat insulation performance, and is widely applied to the fields with heat insulation and heat preservation requirements, such as refrigerators, refrigerated carriages, cold storages and building fields.
The inventor researches show that the vacuum insulation panels on the market are basically products compounded by using organic films such as polyethylene, polypropylene, polyethylene terephthalate and the like, and the vacuum insulation panels manufactured by using the films are easy to puncture by sharp objects due to poor performances in the aspects of high temperature resistance, flame retardance, bending resistance, stretching resistance, puncture resistance and the like of the films, so that the vacuum insulation panels lose heat insulation effect due to air leakage.
Disclosure of Invention
The invention aims to provide a vacuum heat insulation integrated composite board which has good rigidity and can effectively avoid the influence on heat insulation effect caused by air leakage of a vacuum heat insulation board due to the penetration of a sharp object.
Embodiments of the invention may be implemented as follows:
in a first aspect, the present invention provides a vacuum insulation integrated composite panel comprising:
vacuum insulation panels;
the shell is internally provided with an installation space for placing the vacuum insulation panel, the shell is also provided with an air tap communicated with the installation space, the air tap is used for being connected with the vacuumizing device, and the installation space is in a vacuum state.
In an alternative embodiment, the air tap is a one-way air tap.
In an alternative embodiment, the housing includes a body and a sealing band connected to each other, the body and the sealing band together defining an installation space, and the one-way air tap is disposed on the sealing band.
In an alternative embodiment, the material of the body comprises basalt fibers, and the basalt fiber volume fraction is greater than or equal to 40%.
In an alternative embodiment, the material of the sealing tape is polyurethane or silicone.
The vacuum insulation integrated composite board according to claim 1, wherein the vacuum insulation panel comprises a heat insulation core, a gas adsorbent and a gas barrier layer, the gas adsorbent is arranged on the surface of the heat insulation core, and the gas barrier layer coats the heat insulation core.
In alternative embodiments, the material of the insulating core is rock wool, fiberglass honeycomb core, basalt fiber honeycomb core, aluminum honeycomb core, or nano silica gel.
In an alternative embodiment, the material of the air barrier is basalt fiber.
In an alternative embodiment, the housing includes a plurality of independent mounting spaces, and each independent mounting space is provided with an air tap in communication with itself.
In a second aspect, the present invention provides a method for manufacturing a vacuum insulation integrated composite panel according to any one of the preceding embodiments, comprising:
fixing the gas adsorbent to the insulating core;
then the heat insulation core is arranged in the air insulation layer, and the air insulation layer is sealed;
coating phenolic resin or organic silicon resin on the air-insulating layer, and coating basalt fiber cloth/basalt fiber surface felt on the air-insulating layer;
placing a honeycomb duct on the basalt fiber cloth/basalt fiber surface felt at the outermost layer, and sealing and wrapping the semi-finished product by using a vacuum sealing film;
vacuum-pumping and pre-curing for 2-3 h at the temperature of 100-150 ℃;
placing the pre-cured semi-finished product at 150-200 ℃ for curing for 1-2 hours until the curing rate of matrix resin is more than 95%, and removing the honeycomb duct and the vacuum sealing film to obtain a vacuum insulation panel;
and inserting the vacuum heat insulation plate into the body, sealing by using a polyurethane/silica gel sealing belt, arranging an air nozzle on the sealing belt, and finally vacuumizing an installation cavity formed by the body and the sealing belt through the air nozzle to obtain the vacuum heat insulation integrated composite board.
The beneficial effects of the embodiment of the invention include, for example: the embodiment of the invention provides a vacuum heat-insulating integrated composite board and a manufacturing method thereof. The shell is internally provided with an installation space for placing the vacuum insulation panel, the shell is also provided with an air tap communicated with the installation space, the air tap is used for being connected with the vacuumizing device, and the installation space is in a vacuum state. It can be appreciated that the rigidity of the vacuum insulation panel can be effectively enhanced by arranging the outer shell on the outer part of the vacuum insulation panel, and the outer shell is used for preventing the outer sharp objects from piercing the vacuum insulation panel, so that the heat insulation effect of the vacuum insulation panel can be effectively ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a performance comparison chart of a vacuum insulation integrated composite board and a common vacuum insulation panel provided by an embodiment of the invention;
fig. 2 is a schematic diagram of separation of a vacuum insulation integrated composite board according to an embodiment of the present invention.
Icon: 1-a sealing tape; 2-an air tap; 3-a gas barrier layer; 4-fiber cloth; 5-a heat insulating core; 6-embedding ribs; 7-body.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, if the terms "upper", "lower", "inner", "outer", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present invention and simplifying the description, and it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus it should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, if any, are used merely for distinguishing between descriptions and not for indicating or implying a relative importance.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
The vacuum heat insulating plate is one kind of super heat insulating material with heat conductivity 1/3-1/10 that of common heat insulating material. The vacuum insulation panel has excellent heat insulation performance, and is widely applied to the fields with heat insulation and heat preservation requirements, such as refrigerators, refrigerated carriages, cold storages and building fields.
The inventor researches show that the vacuum insulation panels on the market are basically products compounded by using organic films such as polyethylene, polypropylene, polyethylene terephthalate and the like, and the vacuum insulation panels manufactured by using the films are easy to puncture by sharp objects due to poor performances in the aspects of high temperature resistance, flame retardance, bending resistance, stretching resistance, puncture resistance and the like of the films, so that the vacuum insulation panels lose heat insulation effect due to air leakage.
According to the vacuum heat insulation integrated composite board provided by the embodiment of the invention, the rigidity is good, and the influence on the heat insulation effect caused by air leakage of the vacuum heat insulation board due to the puncture of a sharp object can be effectively avoided.
The specific structure of the vacuum insulation integrated composite board and the corresponding technical effects thereof provided by the embodiment of the invention are described in detail below with reference to the accompanying drawings.
Referring to fig. 1-2, a vacuum insulation integrated composite board provided by an embodiment of the invention includes a vacuum insulation panel and a housing.
Wherein the shell is internally provided with an installation space for placing a vacuum insulation panel, the shell is also provided with an air tap 2 communicated with the installation space, the air tap 2 is used for being connected with a vacuumizing device, and the installation space is in a vacuum state. It can be appreciated that the rigidity of the vacuum insulation panel can be effectively enhanced by arranging the outer shell on the outer part of the vacuum insulation panel, and the outer shell is used for preventing the outer sharp objects from piercing the vacuum insulation panel, so that the heat insulation effect of the vacuum insulation panel can be effectively ensured.
And can also be connected with evacuating device through air cock 2, and then carry out the evacuation processing through evacuating device to the installation space for the installation space is in the vacuum state, can effectually strengthen vacuum insulation panel's thermal-insulated effect, also can make vacuum insulation integration composite sheet have good thermal-insulated effect promptly, also has good rigidity.
Further, the air tap 2 in this embodiment is a one-way air tap 2. It should be noted that, the unidirectional air tap 2 in this embodiment can supply the inside gas of installation space to outwards discharge, and outside gas is difficult to get into installation space through unidirectional air tap 2, when carrying out the evacuation to the installation space through unidirectional air tap 2, can effectually guarantee the efficiency to the installation space evacuation.
Specifically, in this embodiment, the housing includes a body 7 and a sealing band 1 that are connected, where the body 7 and the sealing band 1 together define an installation space, and the unidirectional air tap 2 is disposed on the sealing band 1. In other words, the housing is constituted by the body 7 together with the sealing strip 1. In the present embodiment, the body 7 is in a bag shape, and the sealing tape 1 seals the bag-shaped body 7 to seal the vacuum insulation panel inside the body 7.
Further, in this embodiment, the housing includes a plurality of independent installation spaces, and each independent installation space is provided with an air tap 2 communicating with itself. It will be appreciated that a plurality of vacuum insulation panels can be mounted on each body 7. It should be noted that, in this embodiment, the body 7 is in a box shape, a plurality of partitions are disposed in the box to separate a plurality of installation spaces, during the assembly process, a plurality of vacuum insulation panels are firstly placed in the independent installation spaces respectively, then each installation space is sealed by a sealing strip, and finally the installation space is vacuumized by a unidirectional air tap 2 of the sealing strip.
In this embodiment, the body 7 is a fabricated hollow plate manufactured by a pultrusion process. And wherein the basalt fiber volume fraction is greater than or equal to 40%. In the present embodiment, the basalt fiber volume fraction of the body 7 is 50%. And body 7 is provided with embedded muscle 6, can effectively strengthen the intensity of body 7.
Of course, in other embodiments, the volume fraction of basalt fibers in the body 7 may be other percentages, which are not limited herein.
Further, the sealing band 1 is made of polyurethane or silica gel, and it can be understood that the sealing band 1 made of polyurethane or silica gel can better seal the installation space, and has better sealing performance so as to ensure the subsequent vacuumizing operation.
In this embodiment, the sealing band 1 is made of a silicone material to form the silicone sealing band 1, and the installation space is sealed by the silicone sealing band 1, however, in other embodiments, the sealing strip may be made of other materials, and the material of the sealing strip is not limited herein.
It should be noted that, the vacuum insulation panel provided in this embodiment includes a heat insulation core 5, a gas adsorbent, and a gas insulation layer 3, the gas adsorbent is disposed on the surface of the heat insulation core 5, and the gas insulation layer 3 covers the heat insulation core 5.
Further, the heat insulation core 5 is made of rock wool, glass fiber reinforced plastic honeycomb core, basalt fiber honeycomb core, aluminum honeycomb core or nano silica gel. Of course, in other embodiments, the material of the heat insulating core 5 is not limited to the above material, but may be other materials as long as heat insulation can be achieved, and is not limited herein.
Specifically, in the present embodiment, the heat insulating core 5 is made of a rock wool material.
Further, the air-insulating layer 3 is made of basalt fibers, and the air-insulating layer 3 can be basalt fiber cloth 4, basalt fiber surface felt, basalt fiber cloth 4 bags or basalt fiber felt bags. Specifically, in this embodiment, the air barrier layer 3 is a basalt fiber bag, and it can be understood that, in an aerobic condition, the high temperature resistance of the basalt fiber is better than that of the carbon fiber, the glass fiber and the organic fiber.
Specifically, the basalt fiber bag has a cubic box shape with an opening, and the heat insulating core 5 can be put into a belt shape and covered so as to have good sealing property.
The embodiment of the invention also provides a manufacturing method of the vacuum heat insulation integrated composite board, which comprises the following steps:
firstly, a release agent is used for treating the surface of a groove body of the vacuum heat pressing machine.
The gas adsorbent is fixed on the surface of the heat insulation core 5, and the heat insulation core 5 is made of rock wool, a glass rod honeycomb core, a basalt honeycomb core, an aluminum honeycomb core or nano silica gel.
In the present embodiment, the heat insulating core 5 is a rock wool heat insulating core 5 made of rock wool material.
And then the heat insulation core 5 is arranged in the air insulation layer 3, and the air insulation layer 3 is sealed. Wherein the air separating layer 3 is a basalt fiber cloth 4 bag.
The heat insulating core 5 and the air insulating layer 3 are adhered by an adhesive, the surface of the heat insulating core 5 and the air insulating layer 3 are matched together by utilizing the self-curing reaction of the adhesive and the curing crosslinking polymerization reaction between the adhesive and the product, and the vacuum heat insulating plate with rigidity can be formed after curing.
Uniformly coating prepared phenolic resin/organic silicon resin on the upper surface of the sealed air-insulating layer 3 provided with the heat-insulating core 5, and covering the outer surface of the air-insulating layer 3 with basalt fiber cloth 4/basalt fiber surface felt soaked by the phenolic resin/organic silicon resin, wherein the air-insulating layer 3 is covered with a plurality of layers of basalt fiber cloth 4/basalt fiber surface felt.
In the embodiment, phenolic resin is uniformly coated on the air-insulating layer 3, and basalt fiber cloth 4 soaked by the phenolic resin is sequentially covered on the outer surfaces of the two air-insulating layers 3, so that the basalt fiber cloth 4 completely wraps the air-insulating layers 3.
In this embodiment, the air barrier layer 3 is covered with two layers of basalt fiber cloth 4. Of course, in other embodiments, two layers of basalt fiber surfacing mat may also be covered on the air barrier layer 3.
The honeycomb duct is placed on the basalt fiber cloth 4/basalt fiber surface felt at the outermost layer, and the semi-finished product is sealed and wrapped by a vacuum sealing film. Vacuum pre-curing for 2-3 h under the condition that the temperature is 100-150 ℃.
And then placing the pre-cured semi-finished product in a curing furnace at 150-200 ℃ for curing for 1-2 hours until the curing rate of the matrix resin is more than 95%, removing the guide pipe and the vacuum sealing film to obtain a vacuum heat insulation composite product, and removing the redundant part to obtain the vacuum heat insulation panel.
And then the vacuum insulation panel is inserted into the body 7, and then the body is sealed by the polyurethane/silica gel sealing belt 1, the sealing belt 1 is provided with the one-way air nozzle 2, and finally the installation cavity formed by the body 7 and the sealing belt 1 is vacuumized by the one-way air nozzle 2 to obtain the vacuum insulation integrated composite board.
It can be appreciated that the vacuum heat insulation plate is manufactured and the vacuum heat insulation integrated composite plate is finally manufactured by using two times of vacuum treatment, so that the heat insulation effect of the vacuum heat insulation integrated composite plate can be effectively enhanced.
In summary, the embodiment of the invention provides a vacuum heat-insulating integrated composite board and a manufacturing method thereof, and the vacuum heat-insulating integrated composite board obtained by the manufacturing method of the vacuum heat-insulating integrated composite board comprises a vacuum heat-insulating plate and a shell. The shell is internally provided with an installation space for placing the vacuum insulation panel, the shell is also provided with an air tap 2 communicated with the installation space, the air tap 2 is used for being connected with a vacuumizing device, and the installation space is in a vacuum state. It can be appreciated that the rigidity of the vacuum insulation panel can be effectively enhanced by arranging the outer shell on the outer part of the vacuum insulation panel, and the outer shell is used for preventing the outer sharp objects from piercing the vacuum insulation panel, so that the heat insulation effect of the vacuum insulation panel can be effectively ensured.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present invention should be included in the present invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.
Claims (10)
1. A vacuum insulation integrated composite panel, comprising:
vacuum insulation panels;
the vacuum insulation panel comprises a shell, wherein an installation space for placing the vacuum insulation panel is arranged in the shell, the shell is also provided with an air tap communicated with the installation space, the air tap is used for being connected with a vacuumizing device, and the installation space is in a vacuum state.
2. The vacuum insulation integrated composite panel according to claim 1, wherein:
the air tap is a one-way air tap.
3. The vacuum insulation integrated composite panel according to claim 2, wherein:
the shell comprises a body and a sealing belt which are connected, the body and the sealing belt jointly define the installation space, and the one-way air tap is arranged on the sealing belt.
4. A vacuum insulation integrated composite panel according to claim 3, wherein:
the material of the body comprises basalt fibers, and the volume fraction of the basalt fibers is greater than or equal to 40%.
5. A vacuum insulation integrated composite panel according to claim 3, wherein:
the sealing band is made of polyurethane or silica gel.
6. The vacuum insulation integrated composite panel according to claim 1, wherein:
the vacuum insulation panel comprises a heat insulation core, a gas adsorbent and a gas barrier layer, wherein the gas adsorbent is arranged on the surface of the heat insulation core, and the gas barrier layer coats the heat insulation core.
7. The vacuum insulation integrated composite panel according to claim 6, wherein:
the heat insulation core is made of rock wool, glass fiber reinforced plastic honeycomb core, basalt fiber honeycomb core, aluminum honeycomb core or nano silica gel.
8. The vacuum insulation integrated composite panel according to claim 6, wherein:
the air isolation layer is made of basalt fibers.
9. The vacuum insulation integrated composite panel according to claim 1, wherein:
the shell comprises a plurality of independent installation spaces, and each independent installation space is provided with an air tap communicated with the shell.
10. A method of making a vacuum insulation integrated composite panel according to any one of claims 1 to 9, comprising:
fixing the gas adsorbent to the insulating core;
then the heat insulation core is arranged in the air insulation layer, and the air insulation layer is sealed;
coating phenolic resin or organic silicon resin on the air-isolation layer, and coating basalt fiber cloth/basalt fiber surface felt on the air-isolation layer;
placing a honeycomb duct on the basalt fiber cloth/basalt fiber surface felt at the outermost layer, and sealing and wrapping the semi-finished product by using a vacuum sealing film;
vacuum-pumping and pre-curing for 2-3 h at the temperature of 100-150 ℃;
placing the pre-cured semi-finished product at 150-200 ℃ for curing for 1-2 hours until the curing rate of matrix resin is more than 95%, and removing the honeycomb duct and the vacuum sealing film to obtain a vacuum insulation panel;
and inserting the vacuum heat insulation plate into the body, sealing by using a polyurethane/silica gel sealing belt, arranging an air nozzle on the sealing belt, and finally vacuumizing an installation cavity formed by the body and the sealing belt through the air nozzle to obtain the vacuum heat insulation integrated composite board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202211714202.3A CN116021841A (en) | 2022-12-27 | 2022-12-27 | Vacuum heat insulation integrated composite board and manufacturing method thereof |
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| CN202211714202.3A CN116021841A (en) | 2022-12-27 | 2022-12-27 | Vacuum heat insulation integrated composite board and manufacturing method thereof |
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