CN113431257A - Fireproof wallboard for refrigeration house and refrigeration house comprising fireproof wallboard - Google Patents
Fireproof wallboard for refrigeration house and refrigeration house comprising fireproof wallboard Download PDFInfo
- Publication number
- CN113431257A CN113431257A CN202110921866.6A CN202110921866A CN113431257A CN 113431257 A CN113431257 A CN 113431257A CN 202110921866 A CN202110921866 A CN 202110921866A CN 113431257 A CN113431257 A CN 113431257A
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- layer
- protective layer
- heat insulation
- wallboard
- heat
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- 238000005057 refrigeration Methods 0.000 title abstract description 13
- 239000010410 layer Substances 0.000 claims abstract description 67
- 238000009413 insulation Methods 0.000 claims abstract description 55
- 239000011241 protective layer Substances 0.000 claims abstract description 36
- 238000004321 preservation Methods 0.000 claims description 19
- 239000004744 fabric Substances 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- 238000005187 foaming Methods 0.000 claims description 10
- 239000003292 glue Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 4
- 230000002265 prevention Effects 0.000 abstract description 13
- 239000003063 flame retardant Substances 0.000 description 7
- 239000006260 foam Substances 0.000 description 4
- 229920005830 Polyurethane Foam Polymers 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229920002972 Acrylic fiber Polymers 0.000 description 1
- 229920002748 Basalt fiber Polymers 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- UGACIEPFGXRWCH-UHFFFAOYSA-N [Si].[Ti] Chemical compound [Si].[Ti] UGACIEPFGXRWCH-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010451 perlite Substances 0.000 description 1
- 235000019362 perlite Nutrition 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229920006327 polystyrene foam Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000010455 vermiculite Substances 0.000 description 1
- 235000019354 vermiculite Nutrition 0.000 description 1
- 229910052902 vermiculite Inorganic materials 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
- E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/78—Heat insulating elements
- E04B1/80—Heat insulating elements slab-shaped
- E04B1/803—Heat insulating elements slab-shaped with vacuum spaces included in the slab
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/94—Protection against other undesired influences or dangers against fire
- E04B1/941—Building elements specially adapted therefor
- E04B1/942—Building elements specially adapted therefor slab-shaped
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/44—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose
- E04C2/46—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose specially adapted for making walls
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H5/00—Buildings or groups of buildings for industrial or agricultural purposes
- E04H5/10—Buildings forming part of cooling plants
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Acoustics & Sound (AREA)
- Building Environments (AREA)
Abstract
The invention relates to a fireproof wallboard for a refrigeration house and the refrigeration house formed by the fireproof wallboard, wherein the fireproof wallboard comprises a first protective layer, a heat insulation layer and a second protective layer which are sequentially superposed, the heat insulation layer comprises a first heat insulation layer and a second heat insulation layer which are superposed, the first heat insulation layer and the second heat insulation layer both comprise a plurality of vacuum heat insulation plates which are arranged at intervals, the vacuum heat insulation plates in the second heat insulation layer are suitable for covering a gap between two adjacent vacuum heat insulation plates in the first heat insulation layer, and the first protective layer, the heat insulation layer and the second protective layer are connected or bonded into a whole through bolts; this novel fire prevention wallboard's thermal insulation performance is good.
Description
Technical Field
The invention relates to the technical field of refrigeration equipment, in particular to a fireproof wallboard for a refrigeration house and the refrigeration house formed by the fireproof wallboard.
Background
The common wallboard for the refrigeration house in the market adopts organic heat insulation material polyurethane or polystyrene foam to make a heat insulation structure.
The wall board for the refrigerator common in the market has the following problems: the wallboard has poor thermal insulation performance.
Disclosure of Invention
The invention aims to solve the technical problem that the fireproof wallboard for the refrigeration house and the refrigeration house formed by the fireproof wallboard are good in heat insulation performance.
In order to solve the technical problems, the fireproof wallboard for the refrigeration house comprises a first protective layer, a heat insulation layer and a second protective layer which are sequentially overlapped, wherein the heat insulation layer comprises a first heat insulation layer and a second heat insulation layer which are overlapped, the first heat insulation layer and the second heat insulation layer both comprise a plurality of vacuum heat insulation plates which are arranged at intervals, the vacuum heat insulation plates in the second heat insulation layer are suitable for covering gaps between two adjacent vacuum heat insulation plates in the first heat insulation layer, and the first protective layer, the heat insulation layer and the second protective layer are connected or bonded into a whole through bolts.
Furthermore, the first protective layer, the heat-insulating layer and the second protective layer are fixedly connected to a fixed wall body through expansion bolts, the end part of the vacuum heat-insulating plate is provided with a lap joint gap, and the vacuum heat-insulating plates in the first heat-insulating layer and the second heat-insulating layer are sequentially overlapped end to end respectively; the fireproof wallboard with the structure has good heat insulation performance.
Furthermore, the first and second heat-insulating layers comprise foaming material layers, the vacuum heat-insulating plate is wholly or partially arranged in the foaming material layers, fireproof cloth is fixedly bonded on the inner side end faces of the first and second heat-insulating layers through fireproof glue, and the inner side end faces of the two layers of fireproof cloth are fixedly bonded through fireproof glue; the fireproof wallboard with the structure has good fireproof performance.
Furthermore, a heat insulation cover covers the exposed end of the expansion bolt, and a protective sleeve embedded in the heat insulation layer is sleeved on the expansion bolt; the heat preservation cover can prevent that expansion bolts's the end that exposes leads cold dewfall, the protective sheath is used for preventing that expansion bolts from causing the destruction to the heat preservation.
Further, the first protective layer is a fire retardant panel and the second protective layer is a veneer.
Further, the vacuum insulation panel is coated with a foaming material layer or embedded in the end face of the foaming material layer.
Furthermore, the first protective layer and the second protective layer are both fireproof plates.
The utility model provides a by freezer that fire prevention wallboard constitutes, includes peripheral wall body, peripheral wall body is enclosed by polylith fire prevention wallboard and closes and forms, be equipped with one at least interior wall in the peripheral wall body to close regional division into polylith cold insulation region with peripheral wall body's enclosing, the interior wall is traditional wall body or fire prevention wallboard, fire prevention wallboard's top cooperation is fixed in the recess of C shape steel, fire prevention wallboard's bottom buries the underground.
The invention has the beneficial effects that: the novel fireproof wallboard comprises a first insulating layer and a second insulating layer which are superposed, wherein the first insulating layer and the second insulating layer respectively comprise a plurality of vacuum insulating plates which are arranged at intervals, and the two layers of insulating structures ensure that the insulating performance of the fireproof wallboard is better; the vacuum heat insulation plates in the second heat insulation layer are suitable for covering the gap between two adjacent vacuum heat insulation plates in the first heat insulation layer, so that the heat insulation performance of the fireproof wallboard with the structure is better; this novel fire prevention wallboard's thermal insulation performance is good.
Drawings
In order to clarify the explanation of the innovative principles of the invention and its advantages compared with the known fire wall panels, a possible embodiment is described below by way of non-limiting example applying said principles with the aid of the annexed drawings. In the figure:
FIG. 1 is a schematic view of a fireproof wall panel for a refrigerator according to the present invention;
FIG. 2 is a schematic view of a firewall panel for a refrigerator;
FIG. 3 is a schematic view of the connection of the first protective layer, the insulating layer, and the second protective layer;
FIG. 4 is a schematic structural view of a wall using the fire wall panel of FIG. 1;
fig. 5 is a schematic structural view of a refrigerator using the wall body of the fire wall panel of fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the present embodiment are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present invention, unless expressly stated or limited otherwise, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific circumstances.
Example 1
As shown in fig. 1-3, the firewall plate for a freezer of this embodiment includes first protective layer 1, heat preservation 10 and the second protective layer 4 of superpose in proper order, heat preservation 10 includes first, second heat preservation 2, 3 of superpose, first, second heat preservation 2, 3 all include the vacuum heat insulating board 5 that the polylith interval set up, vacuum heat insulating board 5 in the second heat preservation 3 is suitable for covering the clearance between two adjacent vacuum heat insulating boards 5 in first heat preservation 2, connect or bond through the bolt between first protective layer 1, heat preservation 10 and the second protective layer 4 and become an organic whole.
The first protective layer 1, the heat-insulating layer 10 and the second protective layer 4 are fixedly connected to a fixed wall body 8 through expansion bolts 7, the end part of the vacuum heat-insulating plate 5 is provided with a lap joint gap, and the vacuum heat-insulating plates 5 in the first heat-insulating layer 2 and the second heat-insulating layer 3 are sequentially overlapped end to end respectively.
Preferably, the fixed wall 8 is a steel structure layer; the fixed wall 8 can also be a common brick wall or a concrete wall.
The first and second heat-insulating layers 2 and 3 respectively comprise a foaming material layer 6, the vacuum heat-insulating plate 5 is wholly or partially arranged in the foaming material layer 6, fireproof cloth 18 is fixedly bonded on the inner side end faces of the first and second heat-insulating layers 2 and 3 through fireproof glue, and the inner side end faces of the fireproof cloth 18 are fixedly bonded through the fireproof glue.
The fireproof cloth 18 is basalt fiber fireproof cloth; the fire-retardant cloth 18 can also be acrylic fiber fire-retardant cloth, ceramic fire-retardant cloth, high silica fire-retardant cloth, or silicon titanium fire-retardant cloth.
Preferably, the foam material layer 6 is a polyurethane foam material; the foam layer 6 can also be a phenolic foam.
The expansion bolt 7 is characterized in that a heat insulation cover 12 is covered on an exposed end 11 of the expansion bolt 7, and a protective sleeve 13 embedded in the heat insulation layer 10 is sleeved on the expansion bolt 7.
The first protective layer 1 is a fire retardant panel and the second protective layer 4 is a veneer.
Preferably, the fire protection plate is a calcium silicate plate; the fire-proof plate can also be a perlite plate, a floating bead plate, a vermiculite plate or a fire-proof gypsum plate.
Preferably, the veneer is a color steel plate; the veneer can also be an aluminum plate, a glass magnesium plate or a checkered plate.
The vacuum insulation panel 5 is covered by a foam layer 6 or embedded in the end face of the foam layer 6.
The first protective layer 1 and the second protective layer 4 are both fireproof plates.
Example 2
As shown in fig. 4-5, an adopt freezer of fire prevention wallboard of embodiment 1, including peripheral wall 14, peripheral wall 14 is enclosed by polylith fire prevention wallboard and closes and form, be equipped with one at least interior wall in the peripheral wall 14 to the regional polylith cold insulation region 15 that separates into that closes with peripheral wall 14, interior wall is traditional wall or fire prevention wallboard, the top cooperation of fire prevention wallboard is fixed in the recess of C shape steel 9, the bottom of fire prevention wallboard is buried underground.
The novel fireproof wallboard comprises a first insulating layer 2 and a second insulating layer 3 which are superposed, wherein the first insulating layer 2 and the second insulating layer 3 both comprise a plurality of vacuum insulating plates 5 which are arranged at intervals, and the insulating performance of the fireproof wallboard is better due to the two-layer insulating structure; the vacuum heat insulation plates 5 in the second heat insulation layer 3 are suitable for covering the gap between two adjacent vacuum heat insulation plates 5 in the first heat insulation layer 2, so that the fireproof wallboard of the structure has better heat insulation performance; this novel fire prevention wallboard's thermal insulation performance is good.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. The utility model provides a wallboard for freezer which characterized in that: including first protective layer (1), heat preservation (10) and second protective layer (4) of superpose in proper order, heat preservation (10) are including the first, two heat preservation (2, 3) of superpose, first, two heat preservation (2, 3) all include vacuum heat insulating board (5) that the polylith interval set up, vacuum heat insulating board (5) in second heat preservation (3) are suitable for covering the clearance between two adjacent vacuum heat insulating boards (5) in first heat preservation (2), through bolted connection or bonding between first protective layer (1), heat preservation (10) and the second protective layer (4) and become integrative.
2. A fire rated wallboard in accordance with claim 1, wherein: the first protective layer (1), the heat preservation layer (10) and the second protective layer (4) are fixedly connected to the fixed wall body (8) through expansion bolts (7), the end portion of the vacuum heat insulation plate (5) is provided with a lap joint notch, and the vacuum heat insulation plates (5) in the first heat preservation layer and the second heat preservation layer (2 and 3) are sequentially overlapped end to end respectively.
3. A fire rated wallboard in accordance with claim 1, wherein: the first and second heat-insulating layers (2 and 3) comprise a foaming material layer (6), the vacuum heat-insulating plate (5) is wholly or partially arranged in the foaming material layer (6), fireproof cloth (18) is fixedly connected to the inner side end faces of the first and second heat-insulating layers (2 and 3) through fireproof glue, and the inner side end faces of the fireproof cloth (18) are fixedly connected through the fireproof glue.
4. A fire rated wallboard in accordance with claim 2, wherein: the expansion bolt is characterized in that a heat insulation cover (12) is covered on an exposed end (11) of the expansion bolt (7), and a protective sleeve (13) embedded into the heat insulation layer (10) is sleeved on the expansion bolt (7).
5. A fire rated wallboard in accordance with claim 2, wherein: the first protective layer (1) is a fireproof plate, and the second protective layer (4) is a veneer.
6. A fire rated wallboard in accordance with claim 3, wherein: the vacuum insulation board (5) is coated by a foaming material layer (6) or embedded into the end surface of the foaming material layer (6).
7. A fire rated wallboard in accordance with claim 3, wherein: the first protective layer and the second protective layer (1 and 4) are both fireproof plates.
8. A cold storage comprising the fire rated wall panel of claim 1, wherein: including peripheral wall body (14), peripheral wall body (14) are enclosed by polylith fire wall board and close and form, be equipped with one at least interior wall in peripheral wall body (14) to close regional division into polylith cold insulation region (15) with peripheral wall body (14), the interior wall is traditional wall body or fire wall board, fire wall board's top cooperation is fixed in the recess of C shape steel (9), fire wall board's bottom is buried underground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110921866.6A CN113431257A (en) | 2021-08-12 | 2021-08-12 | Fireproof wallboard for refrigeration house and refrigeration house comprising fireproof wallboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110921866.6A CN113431257A (en) | 2021-08-12 | 2021-08-12 | Fireproof wallboard for refrigeration house and refrigeration house comprising fireproof wallboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113431257A true CN113431257A (en) | 2021-09-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110921866.6A Pending CN113431257A (en) | 2021-08-12 | 2021-08-12 | Fireproof wallboard for refrigeration house and refrigeration house comprising fireproof wallboard |
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| Country | Link |
|---|---|
| CN (1) | CN113431257A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114150794A (en) * | 2021-12-09 | 2022-03-08 | 河北聚易科技发展有限公司 | Assembled freezer insulation construction integration wallboard |
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2021
- 2021-08-12 CN CN202110921866.6A patent/CN113431257A/en active Pending
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| CN211774684U (en) * | 2020-01-19 | 2020-10-27 | 郑州中天建筑节能有限公司 | Wall body insulation construction of multilayer sandwich fireproof structure |
| CN213418159U (en) * | 2020-07-20 | 2021-06-11 | 重庆市镁晶防火材料有限公司 | Compound incubation fire prevention exempts from to tear open template |
| CN213774200U (en) * | 2020-09-21 | 2021-07-23 | 陕西金字塔工程技术集团有限公司 | Heat preservation decorative board for building |
| CN112761318A (en) * | 2021-01-18 | 2021-05-07 | 辽宁科途环保节能材料有限公司 | Embedded A-level fireproof heat-insulation wallboard and preparation process thereof |
| CN216142269U (en) * | 2021-08-12 | 2022-03-29 | 江苏山由帝奥节能新材股份有限公司 | Fireproof wallboard for refrigeration house and refrigeration house comprising fireproof wallboard |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114150794A (en) * | 2021-12-09 | 2022-03-08 | 河北聚易科技发展有限公司 | Assembled freezer insulation construction integration wallboard |
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