CN217226902U

CN217226902U - High fire-resistant aluminum silicate fiber needled blanket structure

Info

Publication number: CN217226902U
Application number: CN202122386016.9U
Authority: CN
Inventors: 王李军; 王吉; 陈建根; 蒋青国; 俞淑雯; 崔佳琴
Original assignee: Zhejiang Yahong Industry Co ltd
Current assignee: Zhejiang Yahong Industry Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-08-19
Anticipated expiration: 2031-09-30

Abstract

The utility model discloses a high fire resistance aluminum silicate fiber acupuncture blanket structure aims at providing the higher high fire resistance aluminum silicate fiber acupuncture blanket structure of compressive strength degree. Including first cold insulation layer, fire-retardant layer, heat preservation, second cold insulation layer and dampproof course, fire-retardant layer includes fire-retardant waterproof glue film one and fire-retardant waterproof glue film two, the heat preservation includes steel mesh layer one, aluminium silicate fiber layer and steel mesh layer two, the upper end and the first cold insulation layer of fire-retardant waterproof glue film one deck are connected, the lower extreme and the upper end of steel mesh layer one of fire-retardant waterproof glue film one are connected, the upper end and the lower extreme of steel mesh layer one of aluminium silicate fiber layer are connected, aluminium silicate fiber layer is connected with the upper end of steel mesh layer two, the lower extreme and the second cold insulation layer of steel mesh layer two are connected, second cold insulation layer is connected with the dampproof course. The beneficial effects of the utility model are that: the connecting tightness is good, the service life is long, the cold insulation performance is good, and the compressive strength is high.

Description

High fire-resistant aluminum silicate fiber needled blanket structure

Technical Field

The utility model relates to a relevant technical field of acupuncture blanket especially indicates a high fire resistance aluminium silicate fiber acupuncture blanket structure.

Background

The fibrous refractory and heat-insulating material generally includes asbestos, rock wool, glass fiber, ordinary silicate fiber, polycrystalline high-alumina fiber, zirconia fiber, and the like. These fibers, in addition to asbestos, are generally manufactured by three processes: 1. a spinning method, 2, a blowing method, 3 and a colloid method. After the fibers are produced, they are generally processed into blanket, felt, board, paper, block, etc. forms by cutting, dispersing, gluing, molding, etc. and used as heat insulating materials. The blanket has the minimum density and can be bent and folded at will, the felt has higher density and can be bent only slightly, the board has the maximum density and can not be bent, the paper is thinner and can be bent in two dimensions, and the building block is formed by folding the blanket, so the building block is quick and convenient to construct. The aluminium silicate needle-punched blanket is made up by using high-quality flint clay through the processes of high-temp. melting at above two thousand deg.C and mixing with other additives, and possesses several special properties, such as good extensibility, strong shock resistance, light weight, good heat-insulating property and strong stability, and does not deform at high temp. of several thousand deg.C, so that it can be used in various fields of chemical industry, building industry, electronic industry, aerospace industry, military industry and air-conditioning refrigeration, etc.. However, most of the aluminum silicate fiber needled carpets have excellent water absorption performance, so that the heat preservation effect is seriously influenced by contacting water, and the aluminum silicate fiber needled carpets have low compressive strength although the structures have good extensibility.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high fire resistance aluminum silicate fiber needled blanket structure with high compressive strength to overcome the defect of low compressive strength of aluminum silicate fiber needled blanket in the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a high fire resistance aluminum silicate fiber acupuncture blanket structure, includes first cold insulation layer, fire-retardant layer, heat preservation, second cold insulation layer and dampproof course, fire-retardant layer includes fire-retardant waterproof glue film one and fire-retardant waterproof glue film two, the heat preservation includes steel mesh layer one, aluminum silicate fiber layer and steel mesh layer two, the upper end and the first cold insulation layer of fire-retardant waterproof glue one deck are connected, the lower extreme and the upper end of steel mesh layer one of fire-retardant waterproof glue film are connected, the upper end and the lower extreme of steel mesh layer one of aluminum silicate fiber layer are connected, the aluminum silicate fiber layer is connected with the upper end of steel mesh layer two, the lower extreme and the second cold insulation layer of steel mesh layer two are connected, second cold insulation layer and dampproof course are connected.

The first heat preservation layer, the first flame-retardant waterproof glue layer, the first steel mesh layer, the aluminum silicate fiber layer, the second steel mesh layer, the second flame-retardant waterproof glue layer and the second heat preservation layer are sequentially connected, wherein the steel mesh layer is made of heat-resistant stainless steel wires and provides a flexible shell for the aluminum silicate fiber layer, the heat preservation effect of the needled blanket is kept, and the strength of the needled blanket is improved.

Preferably, the first cold-keeping layer comprises a first foam glass layer and a PUR layer, and the first foam glass layer is glued to the PUR layer. The density of the foam glass is generally about 100-240kg/m, and the method has the advantages of low temperature resistance, no water absorption, high compressive strength, no aging, good stability under low-temperature deep cooling, small shrinkage and complete non-combustion; PUR has light density, generally about 40-60kg/m, can resist low temperature, and has the advantages of low heat conductivity, good heat preservation effect and certain flexibility; the first cold insulation layer is formed by bonding a first foam glass layer and a PUR layer through YH-A61 adhesive, and meanwhile, the non-water-absorption property of the aluminum silicate fiber layer is increased, so that the heat insulation effect is prevented from being influenced.

Preferably, the second cold insulation layer comprises a second foam glass layer and a PIR layer, the second foam glass layer is glued with the PIR layer, and the moisture-proof layer is woven on the outer side of the second foam glass layer in a staggered mode. Generally, the density of PIR is about 40-60kg/m, and the method has the advantages of high temperature resistance, flame retardance, good strength and low cost; the second cold insulation layer adopts second foam glass layer and PIR layer to pass through YH-A61 adhesive bonding, improves cold insulation effect, and the dampproof course is crisscross to be woven on second foam glass layer simultaneously, further increases the connectivity through blade coating one deck mastic, increases the humidity resistance.

Preferably, a plurality of porcelain tubes are embedded in the aluminum silicate fiber layer, steel wires are wound on the outer walls of the porcelain tubes, two ends of each steel wire penetrate through the aluminum silicate fiber layer and then are respectively hinged with the first steel mesh layer and the second steel mesh layer, and the aluminum silicate fiber layer is connected with the first steel mesh layer and the second steel mesh layer through the steel wires. The steel wire, the first steel mesh layer and the second steel mesh layer are made of heat-resistant stainless steel materials, the steel wire is wound on the porcelain tube, the steel wire is prevented from being melted by high temperature, the steel wire is used for connecting the first steel mesh layer and the second steel mesh layer, the first steel mesh layer and the second steel mesh layer are connected with the aluminum silicate fiber layer, the tightness of connection of each layer is improved, and the heat preservation and insulation effect of the aluminum silicate fiber layer is enhanced.

Preferably, the first flame-retardant waterproof adhesive layer is coated between the PUR layer and the first steel mesh layer in a scraping manner, and the PUR layer is connected with the first steel mesh layer through the first flame-retardant waterproof adhesive layer. The first flame-retardant waterproof glue layer is coated on the first steel mesh layer in a blade mode, the thickness of the first flame-retardant waterproof glue layer is 2.5mm, the first steel mesh layer and the PUR layer are conveniently connected tightly, and meanwhile the flame-retardant effect is improved.

Preferably, the second flame-retardant waterproof adhesive layer is coated between the PIR layer and the second steel mesh layer in a scraping manner, and the PIR layer is connected with the second steel mesh layer through the second flame-retardant waterproof adhesive layer. And the second flame-retardant waterproof glue layer is coated on the second steel mesh layer in a blade manner, the thickness of the second flame-retardant waterproof glue layer is 2.5mm, the second steel mesh layer is conveniently connected with the PIR layer, and the cold insulation and flame-retardant effects are improved.

The utility model has the advantages that: the connecting tightness is good, the service life is long, the cold insulation performance is good, the heat insulation effect is good, the connecting structure is firm and durable, and the purpose of high pressure resistance is achieved.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic structural view of a porcelain tube and a steel wire;

fig. 3 is a schematic view of the construction of the moisture barrier.

In the figure: 1. the composite material comprises a first foam glass layer, a PUR layer, a first flame-retardant waterproof adhesive layer, a first steel mesh layer, a first aluminum silicate fiber layer, a second steel mesh layer, a second flame-retardant waterproof adhesive layer, a 8 PIR layer, a 9 second foam glass layer, a 10 moisture-proof layer, a 11 ceramic pipe and a 12 steel wire.

Detailed Description

The invention is further described with reference to the accompanying drawings and the detailed description.

As shown in fig. 1, the high fire resistance aluminum silicate fiber needled blanket structure comprises a first cold insulation layer, a flame retardant layer, a heat insulation layer, a second cold insulation layer and a moisture proof layer 10, wherein the flame retardant layer comprises a first flame retardant waterproof adhesive layer 3 and a second flame retardant waterproof adhesive layer 7, the heat insulation layer comprises a first steel mesh layer 4, an aluminum silicate fiber layer 5 and a second steel mesh layer 6, the upper end of the first flame retardant waterproof adhesive layer 3 is connected with the first cold insulation layer, the lower end of the first flame retardant waterproof adhesive layer 3 is connected with the upper end of the first steel mesh layer 4, the upper end of the aluminum silicate fiber layer 5 is connected with the lower end of the first steel mesh layer 4, the aluminum silicate fiber layer 5 is connected with the upper end of the second steel mesh layer 6, the lower end of the second steel mesh layer 6 is connected with the second cold insulation layer, and the second cold insulation layer is connected with the moisture proof layer 10.

The first cold insulation layer comprises a first foam glass layer 1 and a PUR layer 2, and the first foam glass layer 1 is glued with the PUR layer 2. The second cold insulation layer comprises a second foam glass layer 9 and a PIR layer 8, the second foam glass layer 9 is glued with the PIR layer 8, and as shown in figure 3, a moisture-proof layer 10 is woven on the outer side of the second foam glass layer 9 in a staggered mode.

As shown in figure 2, a plurality of porcelain tubes 11 are embedded in the aluminum silicate fiber layer 5, steel wires 12 are wound on the outer walls of the porcelain tubes 11, two ends of each steel wire 12 penetrate through the aluminum silicate fiber layer 5 and then are respectively hinged with the first steel mesh layer 4 and the second steel mesh layer 6, and the aluminum silicate fiber layer 5 is connected with the first steel mesh layer 4 and the second steel mesh layer 6 through the steel wires 12.

Flame-retardant waterproof glue film 3 is scraped and is scribbled between PUR layer 2 and steel mesh layer 4, and PUR layer 2 is connected with steel mesh layer 4 through flame-retardant waterproof glue film 3. The second flame-retardant waterproof adhesive layer 7 is coated between the PIR layer 8 and the second steel mesh layer 6 in a scraping manner, and the PIR layer 8 is connected with the second steel mesh layer 6 through the second flame-retardant waterproof adhesive layer 7.

When in connection, the first foam glass layer 1 and the PUR layer 2 are bonded through YH-A61 adhesive to form composite heat insulation, the second foam glass layer 9 and the PIR layer 8 are bonded through YH-A61 adhesive, the steel wires 12 are wound outside the porcelain tube 11, the steel wires 12 and the porcelain tube 11 are embedded in the aluminum silicate fiber layer 5, two ends of all the steel wires 12 penetrate through the aluminum silicate fiber layer 5 and are respectively twisted with the first steel mesh layer 4 and the second steel mesh layer 6, at the moment, the connection of the heat insulation layer is completed, then the first flame-retardant waterproof adhesive layer 3 is coated on the first steel mesh layer 4, the second flame-retardant waterproof adhesive layer 7 is coated on the second steel mesh layer 6, the first steel mesh layer 4 and the PUR layer 2 are bonded through the first flame-retardant waterproof adhesive layer 3, the second steel mesh layer 6 and the PIR layer 8 are bonded through the second flame-retardant adhesive layer 7, finally, the damp-proof layer 10 is interlaced and woven on the second foam glass layer 9, a layer of mastic is coated to further increase the connectivity, at this point, a complete needled carpet structure is formed.

Claims

1. A high fire resistance aluminum silicate fiber needle-punched blanket structure is characterized by comprising a first cold insulation layer, a flame retardant layer, a heat insulation layer, a second cold insulation layer and a moisture-proof layer (10), the flame-retardant layer comprises a first flame-retardant waterproof adhesive layer (3) and a second flame-retardant waterproof adhesive layer (7), the heat-insulating layer comprises a first steel mesh layer (4), an aluminum silicate fiber layer (5) and a second steel mesh layer (6), the upper end of the flame-retardant waterproof adhesive layer I (3) is connected with the first heat-preserving layer, the lower end of the flame-retardant waterproof adhesive layer I (3) is connected with the upper end of the steel mesh layer I (4), the upper end of the aluminum silicate fiber layer (5) is connected with the lower end of the first steel mesh layer (4), the aluminum silicate fiber layer (5) is connected with the upper end of the steel mesh layer II (6), the lower end of the second steel mesh layer (6) is connected with a second cold insulation layer, and the second cold insulation layer is connected with a moisture-proof layer (10).

2. A highly fire-resistant aluminium silicate fibre needle-punched carpet structure as claimed in claim 1, characterised in that said first heat retaining layer comprises a first foam glass layer (1) and a PUR layer (2), said first foam glass layer (1) being glued to the PUR layer (2).

3. A high fire resistance aluminium silicate fibre needle blanket structure as claimed in claim 1, wherein said second cold insulation layer comprises a second foam glass layer (9) and a PIR layer (8), said second foam glass layer (9) being glued to the PIR layer (8), said moisture barrier layer (10) being interlaced on the outside of the second foam glass layer (9).

4. The high fire resistance aluminum silicate fiber needle blanket structure as claimed in claim 1, wherein a plurality of porcelain tubes (11) are embedded in the aluminum silicate fiber layer (5), steel wires (12) are wound on the outer walls of the porcelain tubes (11), two ends of each steel wire (12) are respectively hinged with the first steel mesh layer (4) and the second steel mesh layer (6) after penetrating through the aluminum silicate fiber layer (5), and the aluminum silicate fiber layer (5) is connected with the first steel mesh layer (4) and the second steel mesh layer (6) through the steel wires (12).

5. A highly fire-resistant aluminium silicate fibre needle-punched carpet structure as claimed in claim 2, characterized in that said fire-resistant and water-proof glue layer one (3) is knife-coated between PUR layer (2) and steel mesh layer one (4), said PUR layer (2) is connected with steel mesh layer one (4) through fire-resistant and water-proof glue layer one (3).

6. The aluminum silicate fiber needled carpet structure with high fire resistance as claimed in claim 3, wherein said second flame retardant and waterproof adhesive layer (7) is coated between said PIR layer (8) and said second steel mesh layer (6), and said PIR layer (8) is connected with said second steel mesh layer (6) through said second flame retardant and waterproof adhesive layer (7).