CN210706364U - Foaming light A2-grade fireproof composite board - Google Patents

Abstract

The utility model discloses a light-duty A2 level fire prevention composite sheet of foaming relates to fire prevention composite sheet technical field. The utility model comprises a base material; the upper surface and the lower surface of the base material are both glued with first anti-pressure layers; fire retardant layers are compounded on the surfaces, far away from the base material, of the two first pressure-resistant layers; a second anti-pressure layer is glued on one surface of each of the two fire retardant layers, which is far away from the first anti-pressure layer; foaming layers are compounded on the surfaces of the two second anti-pressure layers far away from the fire retardant layer. The utility model discloses a design of foaming layer and back-fire relief layer makes this composite sheet when meetting the condition of a fire, can be through the foaming ability quick shutoff burner of foaming layer under the high temperature state, provides a heavy fire-proof ability, and can be under the effect that the foaming layer loses effect, through the built-in superfine dry powder in reaction storehouse, form the back-fire relief area, form double fire-proof ability, and the dry powder still has certain effect of putting out a fire, simultaneously because substrate itself still has certain fire-proof ability, can provide triple fire prevention effect.

Description

Foaming light A2-grade fireproof composite board

Technical Field

The utility model belongs to the technical field of the fire prevention composite sheet, especially relate to a light-duty A2 level fire prevention composite sheet of foaming.

Background

In the building field, the fireproof plate can not be separated from the fireproof plate in the laying of the heat-insulating plate of the outer wall of the building, the use of the indoor decoration plate or the cable engineering of the cable dense place.

In the past, in the building industry, logs or synthetic boards are generally selected as building base materials, however, the logs or synthetic boards do not have the fireproof effect and are easy to support combustion, and when a fire disaster occurs, the safety of the building base materials is greatly reduced, and later, people attach a surface layer with the fireproof effect on the building base materials to enable the building base materials to have the fireproof effect, but after the building base materials are used for a period of time, the fireproof surface layer is peeled from the building base materials due to insufficient adhesion tightness of the fireproof surface layer and the building base materials, or local fireproof surface layer is raised due to water vapor absorption, so that the fireproof function of the building base materials is reduced or even lost.

Other kinds of fireproof boards, such as rock wool fireproof boards, mineral wool fireproof boards, gypsum boards and the like, some of the fireproof boards cannot meet the requirements of use places on temperature, some of the fireproof boards cannot meet the requirements on hardness or strength of the fireproof boards, some of the fireproof boards are easy to absorb moisture to cause collapse of board structures, and some of the fireproof boards can cause serious pollution to construction sites, and especially in places with higher requirements on the boards, such as supports or bridges for using the fireproof boards when various cables are laid, power plants for developing cable engineering, chemical enterprises, steel smelting enterprises, mines and the like, the boards with good fireproof sealing effects are required to be used to enhance safety performance and environmental protection performance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a light-duty A2 level fire prevention composite sheet foams, through the design of foaming layer, back-fire relief layer and basic unit, has solved the poor problem of current composite sheet fire behavior.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a foaming light A2-grade fireproof composite board, which comprises a base material; the upper surface and the lower surface of the base material are both glued with first anti-pressure layers; fire retardant layers are compounded on the surfaces, far away from the base material, of the two first pressure-resistant layers; a second anti-pressure layer is glued on one surface of each of the two fire retardant layers, which is far away from the first anti-pressure layer; foaming layers are compounded on the surfaces, far away from the fire retardant layers, of the two second anti-pressure layers; one surface of each of the two foaming layers is glued with a decorative layer;

the substrate comprises two interconnected polyurethane layers; the joint of the two polyurethane layers is fixedly provided with a grid cloth;

the fire retardant layer comprises a material bearing layer; a plurality of groups of medicine carrying bins are fixedly connected to the surface of the material bearing layer; the interior of the medicine carrying bin is fixedly filled with a fire extinguishing agent; a coating film is glued on one surface of the material bearing layer; one surface of the coating is connected with the second pressure resistant layer; one surface of the material bearing layer is connected with the first pressure-resistant layer.

Furthermore, the upper surface of the decorative layer is coated with a PVDF coating.

Furthermore, the two first pressure resistant layers, the two fire retardant layers, the two second pressure resistant layers, the two foaming layers and the two decorative layers are symmetrically distributed by taking the plane of the central line of the base material as an axis.

Further, the medicine carrying bin is of a honeycomb structure.

Furthermore, the upper surface and the lower surface of the two polyurethane layers are coated with nanometer fireproof coatings.

The utility model discloses following beneficial effect has:

the utility model discloses a design on foaming layer and back-fire relief layer, make this composite sheet when meetting the condition of a fire, can be through the foaming ability quick shutoff burner under the high temperature state of foaming layer, a heavy fire-proof ability is provided, and can be under the effect that the foaming layer loses effect, through the built-in superfine dry powder in reaction storehouse, the automatic back-fire relief area that forms, form double fire-proof ability, and the dry powder still has certain effect of putting out a fire, simultaneously because substrate itself still has certain fire-proof ability, can provide triple fire prevention effect, and through the design of expanded material and polyurethane basic unit, on the composite sheet basis that does not reduce fire-proof ability, effectively reduce the weight of this composite sheet, realize composite sheet's light-duty and minimizing.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic cross-sectional view of a foamed lightweight class A2 fire-resistant composite panel;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic cross-sectional view of a substrate;

FIG. 4 is a schematic structural view of a medicine carrying bin and a material carrying layer;

FIG. 5 is a schematic structural view of a fire barrier layer;

FIG. 6 is a top view of FIG. 5;

in the drawings, the components represented by the respective reference numerals are listed below:

1-base material, 2-first pressure resistant layer, 3-fire retardant layer, 4-second pressure resistant layer, 5-foaming layer, 6-decorative layer, 101-polyurethane layer, 102-grid cloth, 301-material bearing layer, 302-medicine carrying bin, 303-fire extinguishing agent and 304-film covering.

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. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention is a foamed light-weight a 2-grade fireproof composite board, which comprises a substrate 1; the upper surface and the lower surface of the base material 1 are both glued with a first anti-pressure layer 2; fire retardant layers 3 are compounded on the surfaces, far away from the base material 1, of the two first pressure resistant layers 2; a second anti-pressure layer 4 is glued on one surface of each of the two fire retardant layers 3 far away from the first anti-pressure layer 2; foaming layers 5 are compounded on the surfaces of the two second compressive layers 4 far away from the fire retardant layer 3; the foaming layer 5 mainly comprises rapid foaming compositions such as an acid source, a carbon source, a foaming agent and the like, and through scientific measurement and calculation, the foaming effect of the high-temperature foaming layer is optimal within the thickness range of 1.5cm-2cm, and the high-temperature foaming layer can be rapidly foamed to block a fire hole at a high temperature;

one surface of each of the two foaming layers 5 is glued with a decorative layer 6; the first pressure resistant layer 2 and the second pressure resistant layer 4 respectively comprise a plurality of groups of glass fiber strips, and the plurality of groups of glass fiber strips are mutually staggered to form a pressure resistant member; the first pressure resistant layer 2 and the second pressure resistant layer 4 are arranged to improve the impact resistance of the composite board and improve the mechanical strength of the composite board; the glass fiber strips have certain fire retardant capability;

the substrate 1 comprises two interconnected polyurethane layers 101; the joint of the two polyurethane layers 101 is fixedly provided with a mesh cloth 102; the mesh cloth 102 is made of glass fiber; the glass fiber is an inorganic non-metallic material with excellent performance, has various types, has the advantages of good insulativity, strong heat resistance, good corrosion resistance and high mechanical strength, and the mesh cloth 102 is used for improving the mechanical strength of the base material and improving the flame retardant degree of the base material 1; the substrate 1 is of an integrated structure when being manufactured;

the fire barrier layer 3 comprises a material bearing layer 301; one surface of the material bearing layer 301 is fixedly connected with seven groups of medicine carrying bins 302; the interior of the medicine carrying bin 302 is fixedly filled with a fire extinguishing agent 303; the fire extinguishing material 303 is superfine dry powder which accounts for more than 90 percent by mass; a coating 304 is glued on one surface of the material bearing layer 301; one surface of the covering film 304 is connected with the second pressure resistant layer 4; one surface of the material bearing layer 301 is connected with the first pressure resistant layer 2; the film 304 is an aluminum foil with a plastic film laminated on the surface.

The PVDF coating is coated on the upper surface of the decorative layer 6 and has the function of improving the wear resistance and corrosion resistance of the composite board.

Wherein, two first anti pressure layer 2, two back-fire relief layers 3, two second are anti pressure layer 4, two foaming layer 5 and two decorative layer 6 all use 1 central line place plane of substrate to distribute for the axle symmetry, medicine carrying bin 302 is honeycomb type structure, the material in medicine carrying bin 302 is the polyurethane material, the polyurethane material is when meetting high temperature environment, can be heated the inflation, thereby extrude its inside fire extinguishing agent 303 automatically, and form the back-fire relief area, through the design of honeycomb type structure, on the basis that provides fire prevention and fire extinguishing ability, can also effectively improve the structural strength of this composite sheet.

Wherein, the upper and lower surfaces of the two polyurethane layers 101 are both coated with nanometer fireproof paint, the spraying thickness of the fireproof nanometer paint is 5-20 μm, and the nanometer fireproof paint is RE-FLAME.

One specific application of this embodiment is: the composite board is a foaming light fireproof composite board, the fireproof grade of the composite board is A2 grade, the composite board is characterized in that a medicine carrying bin 302 with a honeycomb structure is arranged in the composite board, the medicine carrying bin 302 is filled with a fire extinguishing agent 303 consisting of superfine dry powder, when the composite board is used normally, a PVDF coating arranged on a decorative layer 6 plays a basic protection role on the composite board, namely, an anti-abrasion and anti-corrosion role is played, when the composite board is placed in a fire scene environment, under the action of high temperature, the decorative layer 6 is damaged, a foaming layer 5 can be rapidly foamed and used for blocking the entering of a fire source under the high temperature state, when the foaming layer 5 and a second compression resistant layer 4 lose the function, after the fire source enters a fire retardant layer 3, a film 304 is directly damaged under the action of high temperature, meanwhile, the medicine carrying bin 302 made of polyurethane material is automatically heated and expanded, the fire extinguishing agent 303 in the composite board is extruded out, at the moment, the dry powder in the, form the back-fire relief area on the one hand, on the other hand provides certain fire extinguishing ability, through multiple protection, can effectively improve this PLASTIC LAMINATED's fire behavior.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (5)

1. A foaming light A2-grade fireproof composite board comprises a base material (1), and is characterized in that:

the upper surface and the lower surface of the base material (1) are respectively glued with a first anti-pressure layer (2); fire retardant layers (3) are compounded on the surfaces, far away from the base material (1), of the two first pressure resistant layers (2); a second anti-pressure layer (4) is glued on one surface of each of the two fire retardant layers (3) far away from the first anti-pressure layer (2); foaming layers (5) are compounded on the surfaces, far away from the fire retardant layer (3), of the two second anti-pressure layers (4); one surface of each of the two foaming layers (5) is glued with a decorative layer (6);

the substrate (1) comprises two interconnected polyurethane layers (101); a mesh cloth (102) is fixedly arranged at the joint of the two polyurethane layers (101);

the fire retardant layer (3) comprises a material bearing layer (301); one surface of the material bearing layer (301) is fixedly connected with a plurality of groups of medicine carrying bins (302); the fire extinguishing agent (303) is fixedly filled in the medicine carrying bin (302); a coating (304) is glued on one surface of the material bearing layer (301); one surface of the covering film (304) is connected with the second pressure resistant layer (4); one surface of the material bearing layer (301) is connected with the first pressure-resistant layer (2).

2. The foamed light-weight class a2 fire-retardant composite board according to claim 1, wherein the decorative layer (6) has a PVDF coating on its upper surface.

3. The foamed light-weight A2-grade fireproof composite board according to claim 1, wherein the two first pressure resistant layers (2), the two fire retardant layers (3), the two second pressure resistant layers (4), the two foamed layers (5) and the two decorative layers (6) are symmetrically distributed around the plane of the midline of the base material (1).

4. The foamed lightweight class a2 fire rated composite board of claim 1, wherein the cartridge (302) is of a honeycomb type structure.

5. The foamed light-weight a 2-grade fireproof composite board according to claim 1, wherein the upper and lower surfaces of the two polyurethane layers (101) are coated with nano fireproof paint.

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