CN213733815U

CN213733815U - Fireproof core board

Info

Publication number: CN213733815U
Application number: CN202020876013.6U
Authority: CN
Inventors: 简瑞聪; 简正品
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2021-07-20
Anticipated expiration: 2030-05-22

Abstract

The utility model relates to a fire prevention core, including top layer and bottom, first enhancement layer and second enhancement layer more than a set of have between top layer and the bottom, the inside of first enhancement layer and second enhancement layer has first plant straw and second plant straw respectively, first plant straw and second plant straw are the level setting to mutually perpendicular. Like this, through the first enhancement layer and the second enhancement layer that have mutually perpendicular crisscross first plant straw and second plant straw, the bending strength of whole fire prevention core board of furthest reinforcing, the performance is better, and application scope is wider.

Description

Fireproof core board

Technical Field

The utility model belongs to the technical field of the panel, in particular to fire prevention core.

Background

In the last century, the raw materials used for the multi-layer plywood are mainly veneer sheets formed by rotary cutting large logs, wherein the veneer sheets comprise a face plate, a back plate and a middle plate (core plate), the middle plate is used in a large amount, a large amount of logging logs are consumed, and the ecological balance and the environmental damage of the earth are seriously influenced after a long time.

Most of common fiber boards and wood particle boards do not have the functions of flame retardance and fire resistance. If the straw sections or straw powder are mixed with an adhesive with a good fireproof function, the straw board after compression molding has excellent flame-retardant and fireproof performances. The fireproof board can completely replace a middle board (core board) of a multilayer plywood, and can save a large amount of log felling except for being used for lifting a grade of a common plywood into a flame-retardant fireproof plywood. However, the applicant found that: the prior fire-proof plates have poor breaking strength.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem that exists among the prior art, the utility model provides a fire prevention core with extremely strong flexural strength.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides a fire-proof core board, includes top layer and bottom, have first enhancement layer and second enhancement layer more than a set of between top layer and the bottom, the inside of first enhancement layer and second enhancement layer has first plant straw and second plant straw respectively, first plant straw and second plant straw are horizontal setting to mutually perpendicular.

Furthermore, more than one group of first plant straws which are horizontally and transversely arranged in the first enhancement layer, and more than one group of second plant straws which are horizontally and longitudinally arranged in the second enhancement layer.

Further, top layer and bottom are plant straw cementing layer, first enhancement layer and second enhancement layer interconnect integratively, perhaps have plant straw cementing layer and interconnect integratively between first enhancement layer and the second enhancement layer.

Furthermore, the fireproof core board is nine layers of fireproof core boards, two groups of first enhancement layers and second enhancement layers are arranged between the top layer and the bottom layer of the fireproof core board, and a plant straw cementing layer is arranged between the adjacent first enhancement layers and the adjacent second enhancement layers.

Furthermore, the fireproof core board is a five-layer fireproof core board, a group of first reinforcing layer and second reinforcing layer are arranged between the top layer and the bottom layer of the fireproof core board, and a plant straw cementing layer is arranged between the first reinforcing layer and the second reinforcing layer.

Furthermore, the fireproof core board is a three-layer fireproof core board, a group of first reinforcing layers and second reinforcing layers are arranged between the top layer and the bottom layer, and the first reinforcing layers and the second reinforcing layers are connected with each other to form the middle layer.

Furthermore, the plant straws in the top layer, the bottom layer and the plant straw cementing layer are mutually staggered and distributed in a cross way from different angles.

Further, the length of the plant straws in the plant straw cementing layer between the top layer and the bottom layer and between the first enhancement layer and the second enhancement layer is smaller than the length of the first plant straws and the length of the second plant straws.

Further, the length of the plant straw in the plant straw cementing layer between the top layer and the bottom layer and between the first enhancement layer and the second enhancement layer is 10-200 mm, and the length of the first plant straw and the length of the second plant straw are 200-500 mm (200 mm is not contained).

Furthermore, the plant straws in the first plant straw, the second plant straw and the plant straw cementing layer are one of rice straw, wheat straw, corn straw and sugarcane straw.

The utility model discloses mainly have following beneficial effect:

the above technical scheme of the utility model, can be through first plant straw and the crisscross first enhancement layer of second plant straw mutually perpendicular and second enhancement layer, the bending strength of the whole fire prevention core of at utmost reinforcing, the performance is better, and application scope is wider.

In addition, the top layer, the bottom layer and the plant straw glue layer which are arranged from different angles in a mutually staggered and crossed manner are adopted, so that the bending strength of the whole fireproof core plate is further improved.

Drawings

Fig. 1 is a schematic structural view of a first embodiment of a fire-proof core board according to the present invention;

fig. 2 is a schematic structural view of a first reinforcing layer in an embodiment of the fireproof core board according to the present invention;

fig. 3 is a schematic structural view of a second reinforcement layer in an embodiment of the fireproof core board according to the present invention;

fig. 4 is a schematic structural view of a second embodiment of the fire-proof core board of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

A fire prevention core, including top layer and bottom, first enhancement layer and second enhancement layer more than a set of have between top layer and the bottom, the inside of first enhancement layer and second enhancement layer has first plant straw and second plant straw respectively, first plant straw and second plant straw are the level setting to mutually perpendicular

The first embodiment is as follows:

as shown in fig. 1 to 3:

the embodiment of the utility model provides a first fire-proof core board is nine layers of fire-proof core boards, including top layer 1 and bottom 2, be equipped with two sets of first enhancement layers 3 and second enhancement layers 4 between top layer 1 and the bottom 2, top layer 1, bottom 2, first enhancement layers 3 and second enhancement layers 4 are plant straw cementing layer (adopt plant straw and fire prevention gluing agent processing to form promptly, its processing technology belongs to prior art, no longer describe herein), and have plant straw cementing layer 5 between adjacent first enhancement layers 3 and the second enhancement layers 4 (adopt plant straw and fire prevention gluing agent processing to form promptly, its processing technology belongs to prior art, no longer describe herein), top layer 1, bottom 2, first enhancement layers 3, second enhancement layers 4 and plant straw cementing layer 5 interconnect integratively; the first enhancement layer 3 and the second enhancement layer 4 are internally provided with a first plant straw 31 and a second plant straw 41 respectively, the first plant straw 31 and the second plant straw 41 are horizontally arranged and are vertical to each other, and the specific structure can be as follows: as shown in fig. 2, more than one group of first plant straws 31 are horizontally and transversely arranged inside the first reinforcing layer 3, and as shown in fig. 3, more than one group of second plant straws 41 are horizontally and longitudinally arranged inside the second reinforcing layer 4; wherein the plant straw inside the first plant straw 31, the second plant straw 41, the plant straw glue layer can be one of rice straw, wheat straw, corn straw, and sugar cane straw, and the plant straw length inside the plant straw glue layer between the top layer 1, the bottom layer 2, the first enhancement layer 3, and the second enhancement layer 4 is less than the length of the first plant straw 31 and the second plant straw 41, such as: the length of the plant straw in the plant straw cementing layer between the top layer 1, the bottom layer 2, the first enhancement layer 3 and the second enhancement layer 4 is 10-200 mm, and the length of the first plant straw 31 and the length of the second plant straw 41 are 200-500 mm (200 mm is not contained), preferably 430 mm.

Therefore, the embodiment of the utility model provides a first fire prevention core passes through the crisscross first enhancement layer 3 of first plant straw 31 and second plant straw 41 mutually perpendicular and second enhancement layer 4, and the bending strength of the whole fire prevention core of at utmost reinforcing, the performance is better, and application scope is wider.

As shown in fig. 1, the top layer 1, the bottom layer 2 and the plant stalks 6 inside the plant stalk glue layer 5 are arranged in a staggered and crossed manner from different angles (i.e. the plant stalks 6 form random staggered and crossed from different angles in different directions from top to bottom and from left to right). The mutual combination force of the plant straws 6 has the reinforcing function of supporting in eight directions, and the breaking strength of the whole fireproof core board is further improved.

Example two:

as shown in fig. 4, the fire-proof core board of the second embodiment of the present invention is a three-layer fire-proof core board, and the structure of the fire-proof core board is basically the same as that of the first embodiment, including the top layer 1 and the bottom layer 2, and the difference is only that: a set of first and

second reinforcement layers

3, 4 is provided between the top and

bottom layers

1, 2, and the first and

second reinforcement layers

3, 4 are connected to each other to form an intermediate layer. Similarly, in the second embodiment of the fire-proof core board, the first reinforcement layer 3 and the second reinforcement layer 4, which are vertically staggered with each other, are used for making the whole fire-proof core board have a very strong bending strength.

Certainly, the fire-proof core plate of the utility model can also be a five-layer fire-proof core plate, the structure of which is basically the same as that of the first embodiment, and the difference is only that: a set of first reinforcing layer 3 and second reinforcing layer 4 is arranged between the top layer 1 and the bottom layer 2, and a plant straw cementing layer 5 is arranged between the first reinforcing layer 3 and the second reinforcing layer 4.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.

Claims

1. A fireproof core board is characterized in that: including top layer (1) and bottom layer (2), have more than a set of first enhancement layer (3) and second enhancement layer (4) between top layer (1) and bottom layer (2), first enhancement layer (3) and second enhancement layer (4) inside has first plant straw (31) and second plant straw (41) respectively, first plant straw (31) and second plant straw (41) are horizontal setting to mutually perpendicular.

2. The fire resistant core panel of claim 1, wherein: more than one group of first plant straws (31) which are horizontally and transversely arranged in the first reinforcing layer (3), and more than one group of second plant straws (41) which are horizontally and longitudinally arranged in the second reinforcing layer (4).

3. The fire resistant core panel of claim 2, wherein: top layer (1) and bottom (2) are the plant straw cementing layer, first enhancement layer (3) and second enhancement layer (4) interconnect are integrative, perhaps it is integrative to have the plant straw cementing layer and interconnect between first enhancement layer (3) and second enhancement layer (4).

4. A fire resistant core as claimed in claim 3, wherein: the fireproof core board is nine layers of fireproof core boards, two groups of first reinforcing layers (3) and second reinforcing layers (4) are arranged between a top layer (1) and a bottom layer (2), and a plant straw cementing layer (5) is arranged between the adjacent first reinforcing layers (3) and the adjacent second reinforcing layers (4).

5. A fire resistant core as claimed in claim 3, wherein: the fireproof core board is a five-layer fireproof core board, a group of first reinforcing layers (3) and second reinforcing layers (4) are arranged between a top layer (1) and a bottom layer (2), and a plant straw cementing layer (5) is arranged between the first reinforcing layers (3) and the second reinforcing layers (4).

6. A fire resistant core as claimed in claim 3, wherein: the fireproof core board is a three-layer fireproof core board, a group of first reinforcing layers (3) and second reinforcing layers (4) are arranged between a top layer (1) and a bottom layer (2), and the first reinforcing layers (3) and the second reinforcing layers (4) are connected with each other to form an intermediate layer.

7. A fire resistant core as claimed in claim 3 or 4 or 5 or 6, wherein: the top layer (1), the bottom layer (2) and the plant straws in the plant straw cementing layer are arranged in a staggered and crossed manner from different angles.

8. The fire resistant core panel of claim 7, wherein: the length of the plant straws in the plant straw cementing layer between the top layer (1), the bottom layer (2), the first enhancement layer (3) and the second enhancement layer (4) is smaller than the length of the first plant straws (31) and the second plant straws (41).

9. The fire resistant core panel of claim 8, wherein: the length of the plant straw in the plant straw cementing layer between the top layer (1), the bottom layer (2), the first enhancement layer (3) and the second enhancement layer (4) is 10-200 mm, and the length of the first plant straw (31) and the second plant straw (41) is 200-500 mm and does not contain 200 mm.

10. A fire retardant core board according to claim 3 or 4 or 5 or 6 or 8 or 9 wherein: the first plant straw (31), the second plant straw (41) and the plant straw in the plant straw cementing layer are one of straw stalks, wheat straws, corn straws and sugar cane straws.