CN222021799U - A fireproof and high temperature resistant medium density fiberboard - Google Patents

Abstract

The utility model provides a fireproof high-temperature-resistant medium-density fiberboard, which relates to the technical field of fiberboards and comprises the following components: a fiberboard body. When the fiber board is used, the flame retardant added in the first flame retardant layer can retard the peripheral fire sources, the flame retardant effect is achieved, the second flame retardant layer at the outer side is also added with the flame retardant, the front flame retardant and fireproof effect of the fiber board can be enhanced, the first protective layer and the second protective layer respectively block high temperature, high temperature is prevented from being conducted into the fiber board body, the high temperature resistant effect is achieved, the waterproof layer wrapping the surface of the fiber board body can prevent water from penetrating into the fiber board body, the deformation of wood caused by expansion is avoided, the flame retardant layer and the protective layer are damaged, the waterproof effect is achieved, the medium density fiber board is prevented from being easily ignited in a high temperature environment through multiple flame retardant and high temperature resistant protection, and the use effect of the medium density fiber board is improved.

Description

Fireproof high-temperature-resistant medium-density fiberboard

Technical Field

The utility model relates to the technical field of fiber boards, in particular to a fireproof high-temperature-resistant medium-density fiber board.

Background

The density board (Medium Density Fiberboard (MDF)) is called as a density fiberboard, which is a board made by taking wood fiber or other plant fiber as raw material, preparing through fiber, applying synthetic resin, and pressing under the condition of heating and pressurizing.

In the prior art, the traditional medium density fiberboard is formed by pressing the waste materials such as trunks, shavings, fruits and the like, and the raw materials are mostly inflammable materials, so that the waste materials are easy to ignite in a high-temperature environment, and the using effect of the medium density fiberboard is reduced.

Disclosure of utility model

The utility model aims to solve the problems that the raw materials used in the traditional medium-density fiberboard are mostly inflammable materials, are easy to ignite in a high-temperature environment and reduce the use effect of the medium-density fiberboard in the prior art, and provides a fireproof high-temperature-resistant medium-density fiberboard.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: a fire-resistant high temperature resistant medium density fiberboard comprising: the fiber board comprises a fiber board body, wherein a waterproof layer is arranged on the outer surface of the fiber board body, a first protective layer is arranged at the top of the waterproof layer, a second protective layer is arranged at the bottom of the waterproof layer, first flame-retardant layers are arranged on the outer surfaces of the first protective layer and the second protective layer, and a second flame-retardant layer is arranged at the top of the first flame-retardant layer.

Preferably, the outer surfaces of the two sides of the fiber board body are attached to the inner surfaces of the two sides of the first flame retardant layer.

Preferably, a plurality of protruding blocks are equidistantly arranged at the top of the second flame retardant layer, and the cross sections of the protruding blocks are semicircular.

Preferably, a plurality of first through holes are formed in the front surface of the first protective layer at equal intervals, and the first through holes are oval.

Preferably, a plurality of second through holes are formed in the front surface of the second protective layer at equal intervals, and the second through holes are oval.

Preferably, the thicknesses of the first protective layer and the second protective layer are the same.

Preferably, the lengths of the long axes of the first through hole and the second through hole are the same, and the lengths of the short axes of the first through hole and the second through hole are the same.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. When the fiber board is used, the flame retardant added in the first flame retardant layer can retard the peripheral fire sources, the flame retardant effect is achieved, the second flame retardant layer at the outer side is also added with the flame retardant, the front flame retardant and fireproof effect of the fiber board can be enhanced, the first protective layer and the second protective layer respectively block high temperature, high temperature is prevented from being conducted into the fiber board body, the high temperature resistant effect is achieved, the waterproof layer wrapping the surface of the fiber board body can prevent water from penetrating into the fiber board body, the deformation of wood caused by expansion is avoided, the flame retardant layer and the protective layer are damaged, the waterproof effect is achieved, the medium density fiber board is prevented from being easily ignited in a high temperature environment through multiple flame retardant and high temperature resistant protection, and the use effect of the medium density fiber board is improved.

2. In the utility model, when the fireproof medium-density fiberboard is used, the first through holes and the second through holes are respectively formed in the front surfaces of the first protective layer and the second protective layer, the first through holes and the second through holes are elliptical, the plurality of elliptical through holes can reduce the overall weight, the plurality of elliptical through holes are mutually isolated, the heat conduction of air in the fireproof medium-density fiberboard can be reduced, the heat transfer can be blocked to a certain extent, the heat loss is reduced, and the heat preservation effect of the fireproof high-temperature-resistant medium-density fiberboard is improved.

Drawings

FIG. 1 is a perspective view of a fire-resistant high-temperature-resistant medium density fiberboard according to the present utility model;

FIG. 2 is a cross-sectional view of a fire-resistant high-temperature-resistant medium density fiberboard according to the present utility model;

FIG. 3 is an enlarged view of the utility model at A in FIG. 2;

fig. 4 is a bottom view of a fire-resistant high-temperature-resistant medium density fiberboard according to the present utility model.

Legend description: 1. a fiberboard body; 2. a waterproof layer; 3. a first protective layer; 4. a second protective layer; 5. a first flame retardant layer; 6. a second flame retardant layer; 7. a protruding block; 8. a first through hole; 9. and a second through hole.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

Example 1 as shown in fig. 1-4, the present utility model provides a fire-resistant high temperature resistant medium density fiberboard comprising: the fiberboard body 1, the surface of fiberboard body 1 sets up waterproof layer 2, the top of waterproof layer 2 sets up first inoxidizing coating 3, the bottom of waterproof layer 2 sets up second inoxidizing coating 4, the surface of first inoxidizing coating 3 and second inoxidizing coating 4 all sets up first fire-retardant layer 5, the top of first fire-retardant layer 5 sets up second fire-retardant layer 6, the both sides surface of fiberboard body 1 and the both sides internal surface laminating of first fire-retardant layer 5, the top equidistance of second fire-retardant layer 6 sets up a plurality of protruding pieces 7, the cross-section of protruding piece 7 is semi-circular.

The effect that its whole embodiment 1 reached is, when medium density fiberboard used, the fire retardant of adding in the first flame retardant coating 5, can fire-retardant to peripheral fire source, the effect of preventing fires has been played, the second flame retardant coating 6 is in the topmost portion, be in the outside during the installation, the fire retardant of its inside packing prevents that the front fire source from igniting the fiberboard, the effect of strengthening fire-retardant fire prevention has been played, a plurality of circular protruding pieces 7 that the equidistance was offered at second flame retardant coating 6 top, can increase the contact surface with the object, the effect of increasing frictional force has been played, improve the adhesive force between medium density fiberboard and people or the object, first inoxidizing coating 3 and second inoxidizing coating 4 are located the upper and lower face of waterproof layer 2 respectively, can block the high temperature in front and the back, prevent high Wen Xiang internal conduction, waterproof layer 2 is the surface of parcel at fiberboard body 1, the waterproof agent that its inside adds can prevent that the aqueous liquid from permeating into fiberboard body 1 inside, lead to the timber expansion to take place deformation and destroy flame retardant coating and high temperature, fire-retardant effect and high temperature resistant effect have played the waterproof effect, the effect has been played, through multiple fire-retardant and high temperature resistant fiber board's the effect of preventing the medium density from being ignited easily in the high temperature, medium density fiberboard has been avoided the medium density to be used.

In embodiment 2, as shown in fig. 1-4, the front surface of the first protection layer 3 is equidistantly provided with a plurality of first through holes 8, the first through holes 8 are oval, the front surface of the second protection layer 4 is equidistantly provided with a plurality of second through holes 9, the second through holes 9 are oval, the thicknesses of the first protection layer 3 and the second protection layer 4 are the same, the lengths of the long axes of the first through holes 8 and the second through holes 9 are the same, and the lengths of the short axes of the first through holes 8 and the second through holes 9 are the same.

The effect that its whole embodiment 2 reached is, when using, through seting up first through-hole 8 and second through-hole 9 respectively at the front surface of first inoxidizing coating 3 and second inoxidizing coating 4, and first through-hole 8 and second through-hole 9 are oval, and a plurality of oval shaped through-holes can reduce whole weight, keep apart each other in a plurality of oval shaped through-holes, and its inside air can reduce heat conduction, can hinder the heat transfer to a certain extent, reduces the heat loss, has improved the heat preservation effect of fire prevention high temperature resistant medium density fiberboard.

Working principle: when the medium density fiberboard is used, the fire retardant added in the first fire retardant layer 5 can be used for retarding fire of peripheral fire sources, the effect of fire prevention is achieved, the second fire retardant layer 6 is arranged at the top, the fire retardant filled in the second fire retardant layer is arranged at the outer side during installation, the fire retardant can prevent the fire sources from igniting the fiberboard from the front side, the effect of reinforcing fire retarding and preventing fire is achieved, the convex blocks 7 in the circular shapes are formed in the top of the second fire retardant layer 6 at equal intervals, the contact surface with an object can be increased, the effect of increasing friction force is achieved, the adhesive force between the medium density fiberboard and a person or an object is improved, the first protective layer 3 and the second protective layer 4 are respectively arranged on the upper surface and the lower surface of the waterproof layer 2, the high temperature on the front side and the back side can be blocked, the high Wen Xiang is prevented from being conducted in, the waterproof layer 2 is wrapped on the outer surface of the fiberboard body 1, the waterproof layer 2 is added in the waterproof layer can prevent water from penetrating into the fiberboard body 1, the inside, the fire retardant layers and the protective layer are damaged due to deformation of wood expansion, the effect of the fire retarding and the high temperature resistant protection are lost, the effect of the fire retarding and the high temperature resistant protection is achieved, the medium density fiberboard can be increased, the effect of increasing friction force and the contact surface with an object is achieved, the effect of friction force is improved, the medium density fiberboard is prevented from being easily caused by friction with the high temperature, the high density fiberboard is easily, the heat is easily lost, the heat is easily and heat is easily prevented from being easily lost by the high heat, the heat is easily has a through the heat resistant layer 9, and has an oval shape, and has a through heat insulation effect is reduced through heat insulation effect, and has heat resistance, and can be reduced through heat is respectively.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model will still fall within the protection scope of the technical solution of the present utility model.

Claims (7)

1. A fireproof and high temperature resistant medium density fiberboard, comprising: A fiberboard body (1), wherein a waterproof layer (2) is arranged on the outer surface of the fiberboard body (1), a first protective layer (3) is arranged on the top of the waterproof layer (2), a second protective layer (4) is arranged on the bottom of the waterproof layer (2), a first flame retardant layer (5) is arranged on the outer surfaces of the first protective layer (3) and the second protective layer (4), and a second flame retardant layer (6) is arranged on the top of the first flame retardant layer (5). 2. The fireproof and high temperature resistant medium density fiberboard according to claim 1, characterized in that: the outer surfaces on both sides of the fiberboard body (1) are bonded to the inner surfaces on both sides of the first flame retardant layer (5). 3. The fireproof and high temperature resistant medium density fiberboard according to claim 2, characterized in that: a plurality of raised blocks (7) are equidistantly arranged on the top of the second flame retardant layer (6), and the cross section of the raised blocks (7) is semicircular. 4. The fireproof and high temperature resistant medium density fiberboard according to claim 3, characterized in that: a plurality of first through holes (8) are equidistantly formed on the front surface of the first protective layer (3), and the first through holes (8) are elliptical. 5. The fireproof and high temperature resistant medium density fiberboard according to claim 4, characterized in that a plurality of second through holes (9) are equidistantly formed on the front surface of the second protective layer (4), and the second through holes (9) are elliptical. 6. The fireproof and high temperature resistant medium density fiberboard according to claim 5, characterized in that the first protective layer (3) and the second protective layer (4) have the same thickness. 7. The fireproof and high temperature resistant medium density fiberboard according to claim 5, characterized in that the long axis lengths of the first through hole (8) and the second through hole (9) are the same, and the short axis lengths of the first through hole (8) and the second through hole (9) are the same.