CN219727454U - Special fireproof flame-retardant core material for elevator - Google Patents
Special fireproof flame-retardant core material for elevator Download PDFInfo
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- CN219727454U CN219727454U CN202223418794.2U CN202223418794U CN219727454U CN 219727454 U CN219727454 U CN 219727454U CN 202223418794 U CN202223418794 U CN 202223418794U CN 219727454 U CN219727454 U CN 219727454U
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- Prior art keywords
- core material
- retardant core
- fireproof flame
- elevator
- layer
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- 239000011162 core material Substances 0.000 title claims abstract description 28
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical group N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 239000004964 aerogel Substances 0.000 claims abstract description 26
- SMDQFHZIWNYSMR-UHFFFAOYSA-N sulfanylidenemagnesium Chemical compound S=[Mg] SMDQFHZIWNYSMR-UHFFFAOYSA-N 0.000 claims abstract description 16
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims abstract description 14
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims abstract description 7
- 235000019341 magnesium sulphate Nutrition 0.000 claims abstract description 7
- 239000004831 Hot glue Substances 0.000 claims abstract description 5
- 239000000853 adhesive Substances 0.000 claims abstract description 5
- 230000001070 adhesive effect Effects 0.000 claims abstract description 5
- 239000004814 polyurethane Substances 0.000 claims abstract description 5
- 229920002635 polyurethane Polymers 0.000 claims abstract description 5
- 239000011248 coating agent Substances 0.000 claims abstract description 3
- 238000000576 coating method Methods 0.000 claims abstract description 3
- 239000003063 flame retardant Substances 0.000 claims description 2
- 230000002265 prevention Effects 0.000 claims 1
- 239000011159 matrix material Substances 0.000 abstract description 6
- 230000007480 spreading Effects 0.000 abstract description 4
- 238000003892 spreading Methods 0.000 abstract description 4
- 239000004566 building material Substances 0.000 abstract description 3
- 230000036541 health Effects 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 abstract description 3
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 238000005034 decoration Methods 0.000 abstract description 2
- 238000004321 preservation Methods 0.000 abstract description 2
- 239000000779 smoke Substances 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 239000011810 insulating material Substances 0.000 description 4
- 239000011490 mineral wool Substances 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010451 perlite Substances 0.000 description 2
- 235000019362 perlite Nutrition 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
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Abstract
The utility model belongs to the technical field of building materials, and relates to a special fireproof flame-retardant core material for an elevator, which takes an aerogel felt layer as a matrix, wherein the upper part and the lower part of the special fireproof flame-retardant core material are symmetrically provided with cementing layers, and the surfaces of the cementing layers are respectively provided with a sulfur magnesium plate layer, wherein the aerogel felt layer is a flexible heat-insulating felt with the thickness of 15-20 mm; the thickness of the magnesium sulfate board is 3-6 mm, and the cementing layer is hot melt adhesive or aqueous polyurethane adhesive with the coating weight of 150-200 g/square meter. According to the utility model, the sulfur-magnesium plates are compositely arranged on two sides of the aerogel felt, so that the aerogel felt has compression resistance, heat preservation and heat insulation properties, and the core material can be used for elevator fireproof doors and interior decoration. The fire can be effectively restrained from spreading and the smoke can be effectively restrained from spreading in a relatively short time, so that sufficient time is provided for people to evacuate, and the life health of people is protected.
Description
Technical Field
The utility model belongs to the technical field of building materials, relates to a flame-retardant building material, and particularly relates to a special fireproof flame-retardant core material for an elevator.
Background
Building energy consumption and industrial energy consumption are fields with rapid energy source increasing consumption at present, so that the energy consumption can be effectively reduced by using an efficient energy-saving system. The heat-insulating material is one of the main measures for realizing energy consumption reduction, but the traditional heat-insulating material is more and more difficult to meet the requirements, so that the heat-insulating material with low heat conductivity coefficient and incombustibility at high temperature becomes the key of the heat-insulating and energy-saving technology of the building.
The heat insulating materials which can be used as the fire-resistant door layer at present mainly comprise rock wool, perlite, aerogel materials and the like. The rock wool is low in price, and the normal use temperature is about 500 ℃, so that the rock wool has inhalable fibers and has certain damage to the health of constructors; the perlite is fragile, and the pressing process is complex; aerogel materials have excellent heat insulation performance, but are expensive and have high cost.
Compounding several refractory materials is expected to solve the problems of cost and flame retardance improvement.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to provide a special fireproof flame-retardant core material for an elevator.
The special fireproof flame-retardant core material for the elevator takes an aerogel felt layer as a matrix, wherein the aerogel felt layer is provided with gluing layers symmetrically up and down, and the surfaces of the gluing layers are respectively provided with a sulfur magnesium plate layer, wherein the aerogel felt layer is a flexible heat-insulating felt with the thickness of 15-20 mm; the thickness of the magnesium sulfate plate is 3-6 mm; the cementing layer is hot melt adhesive or aqueous polyurethane adhesive with the coating weight of 150-200 g/square meter.
In the preferred disclosed example of the utility model, the density of the aerogel felt is 180-220 kg/m, the heat conductivity coefficient is 0.013-0.018 w/m.k (25 ℃), and the application temperature is-200 ℃ to +1000 ℃.
In the preferred embodiment of the utility model, the density of the magnesium sulfate board is 850-1400 kg/m, preferably 1000kg/m, and the fire-proof grade is A1.
In the preferred embodiment of the utility model, the thickness of the special fireproof flame-retardant core material for the elevator is 22-33 mm, preferably 28mm.
Advantageous effects
The utility model discloses a special fireproof flame-retardant core material for an elevator, which is prepared by compounding magnesium sulfate plates on two sides of an aerogel felt, so that the special fireproof flame-retardant core material has compression resistance, heat preservation and heat insulation properties, and can be used for fireproof doors of the elevator and interior decoration. The fire can be effectively restrained from spreading and the smoke can be effectively restrained from spreading in a relatively short time, so that sufficient time is provided for people to evacuate, and the life health of people is protected.
Drawings
Fig. 1 is a schematic diagram of a special fireproof flame-retardant core material for an elevator.
Detailed Description
The present utility model will be described in detail with reference to the following examples, so that those skilled in the art can better understand the present utility model, but the present utility model is not limited to the following examples.
Example 1
A special fireproof flame-retardant core material for an elevator takes an aerogel felt layer 1 as a matrix, a cementing layer 2 is arranged vertically symmetrically, sulfur-magnesium plate layers 3 are respectively arranged on the surfaces of the cementing layer 2, wherein the thickness of the sulfur-magnesium plate is 4mm, the density is 1150kg/m, and the fireproof grade is A1 grade; the thickness of the aerogel felt is 15mm, the density is 220kg/m < w >/m < k > (at 25 ℃); the sulfur-magnesium board and the aerogel felt are glued by hot melt adhesive, the glue application amount is 180 g/square meter, and the thickness of the special fireproof flame-retardant core material for the elevator is 23mm.
Example 2
A special fireproof flame-retardant core material for an elevator takes an aerogel felt layer 1 as a matrix, a cementing layer 2 is arranged vertically symmetrically, sulfur-magnesium plate layers 3 are respectively arranged on the surfaces of the cementing layer 2, wherein the thickness of the sulfur-magnesium plate is 6mm, the density is 1100kg/m, and the fireproof grade is A1 grade; the thickness of the aerogel felt is 20mm, the density is 220kg/m < mu > and the heat conductivity coefficient is 0.018 w/m.k (at 25 ℃); the sulfur-magnesium board and the aerogel felt are glued by a water-soluble polyurethane adhesive, the glue application amount is 180 g/square meter, and the thickness of the special fireproof flame-retardant core material for the elevator is 32.5mm.
Example 3
The special fireproof flame-retardant core material for the elevator takes an aerogel felt layer 1 as a matrix, wherein a cementing layer 2 is symmetrically arranged up and down, and sulfur-magnesium plate layers 3 are respectively arranged on the surfaces of the cementing layer 2, wherein the thickness of the sulfur-magnesium plate is 3mm, the density is 1400kg/m, and the fireproof grade is A1; the thickness of the aerogel felt is 16mm, the density is 200kg/m < w >/m < k > (at 25 ℃); the sulfur-magnesium board and the aerogel felt are glued by hot melt adhesive, the glue application amount is 150 g/square meter, and the thickness of the special fireproof flame-retardant core material for the elevator is 23mm.
Example 4
A special fireproof flame-retardant core material for an elevator takes an aerogel felt layer 1 as a matrix, a cementing layer 2 is arranged vertically symmetrically, sulfur-magnesium plate layers 3 are respectively arranged on the surfaces of the cementing layer 2, wherein the thickness of the sulfur-magnesium plate is 5mm, the density is 850kg/m, and the fireproof grade is A1 grade; the thickness of the aerogel felt is 18mm, the density is 180kg/m < w >/m < k > (at 25 ℃); the sulfur-magnesium board and the aerogel felt are glued by a water-soluble polyurethane adhesive, the glue application amount is 200 g/square meter, and the thickness of the special fireproof flame-retardant core material for the elevator is 29mm.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (6)
1. The utility model provides a special fire prevention fire-retardant core material of elevator to aerogel felt layer is the base member, and upper and lower symmetry is equipped with the glued layer, respectively is equipped with sulphur magnesium sheet layer, its characterized in that at glued layer surface: the aerogel felt layer is a flexible heat-insulating felt with the thickness of 15-20 mm; the thickness of the magnesium sulfate board is 3-6 mm, and the cementing layer is hot melt adhesive or aqueous polyurethane adhesive with the coating weight of 150-200 g/square meter.
2. The special fireproof flame-retardant core material for elevators according to claim 1, wherein: the density of the aerogel felt is 180-220 kg/m, the heat conductivity coefficient is 0.013-0.018 w/m.k, the temperature is 25 ℃, and the applicable temperature is-200 ℃ to +1000 ℃.
3. The special fireproof flame-retardant core material for elevators according to claim 1, wherein: the density of the magnesium sulfate board is 850-1400 kg/m, and the fire grade is A1.
4. The special fireproof flame-retardant core material for elevators according to claim 1, wherein: the density of the magnesium sulfate board is 1000 kg/m.
5. The special fireproof flame-retardant core material for elevators according to any one of claims 1 to 4, wherein: the thickness of the special fireproof flame-retardant core material for the elevator is 22-33 mm.
6. The special fireproof flame-retardant core material for elevators according to claim 5, wherein: the thickness of the special fireproof flame-retardant core material for the elevator is 28mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223418794.2U CN219727454U (en) | 2022-12-20 | 2022-12-20 | Special fireproof flame-retardant core material for elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223418794.2U CN219727454U (en) | 2022-12-20 | 2022-12-20 | Special fireproof flame-retardant core material for elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219727454U true CN219727454U (en) | 2023-09-22 |
Family
ID=88064400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223418794.2U Active CN219727454U (en) | 2022-12-20 | 2022-12-20 | Special fireproof flame-retardant core material for elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219727454U (en) |
-
2022
- 2022-12-20 CN CN202223418794.2U patent/CN219727454U/en active Active
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