High-strength building board with good flame-retardant and heat-insulating effects

Abstract

The high-strength building board with the good flame-retardant and heat-preservation effects comprises a first wood plywood layer and a second wood plywood layer, the adjacent sides of the first wood plywood layer and the second wood plywood layer are each provided with a first reinforcing layer, a reinforcing rib is arranged between the two first reinforcing layers, and the reinforcing rib is arranged between the two second reinforcing layers. The sides, opposite to each other, of the first wood plywood layer and the second wood plywood layer are each provided with a heat preservation layer, the sides, opposite to each other, of the two heat preservation layers are each coated with a flame-retardant layer, and a second reinforcing layer is arranged between the first wood plywood layer and the second wood plywood layer. According to the high-strength building board with the good flame-retardant and heat-preservation effects, the second reinforcing layer made of the aluminum plate is arranged between the first wood plywood layer and the second wood plywood layer, and the reinforcing ribs are arranged between the inner walls of the second reinforcing layer; further, the bending strength of the pure wood board structure is remarkably improved under the cooperation of the first reinforcing layer made of the steel wire woven mesh, the heat insulation performance of the board is improved through the arrangement of the heat preservation layer, and the fireproof and high-temperature-resistant performance of the board is improved through the arrangement of the flame-retardant layer and under the cooperation of the filling layer.

Description

Technical Field

[0001] The utility model relates to the technical field of building boards, in particular to a high-strength building board with good flame retardant and heat-insulating effects. Background Art

[0002] Boards are flat rectangular building material boards made into standard sizes. They are used in the construction industry to make components of walls, ceilings or floors. They are divided into thin boards, medium boards, thick boards, extra thick boards, and are usually made into flat rectangular building material boards of standard sizes.

[0003] Currently, common boards are generally made of pure wood, composite boards, glass boards, and acrylic. Such boards have poor bending strength and are subject to certain restrictions on occasions of use. Most of them do not have good fireproof properties. Therefore, a high-strength building board with good flame retardant and thermal insulation effects is proposed to solve the above problems. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the utility model provides a high-strength building board with good flame retardant and thermal insulation effects, which has the advantages of high strength and good fire resistance, and solves the problem that the current common boards have poor bending strength and most of them do not have good fire resistance.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a high-strength building board with good flame retardant and thermal insulation effects, comprising a first wooden plywood layer and a second wooden plywood layer, a first reinforcing layer is provided on the adjacent side of the first wooden plywood layer and the second wooden plywood layer, reinforcing ribs are provided between the two first reinforcing layers, a thermal insulation layer is provided on the opposite sides of the first wooden plywood layer and the second wooden plywood layer, a flame retardant layer is coated on the opposite sides of the two thermal insulation layers, a second reinforcing layer is provided between the first wooden plywood layer and the second wooden plywood layer, and a filling layer is provided between the first reinforcing layer and the reinforcing ribs.

[0008] Furthermore, the thickness of the first wooden plywood layer and the second wooden plywood layer is five millimeters to seven millimeters, and the first reinforcement layer is a steel wire woven mesh.

[0009] Furthermore, the thermal insulation layer is made of rigid polyurethane foam plastic, the flame retardant layer is made of fire retardant coating, and the second reinforcement layer is made of aluminum plate.

[0010] Furthermore, the thickness of the first reinforcement layer is 0.5 mm to 1 mm, and the filling layer is fly ash.

[0011] Furthermore, the first wooden plywood layer and the second wooden plywood layer are made of wenge, black walnut, rosewood, elm, white pine or oak.

[0012] Furthermore, the surface of the reinforcing rib is coated with a refractory coating, and the outer surface of the reinforcing rib is smooth.

[0013] (III) Beneficial effects

[0014] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0015] The high-strength building board with good flame retardant and heat-insulating effect is characterized in that a second reinforcing layer made of an aluminum plate is arranged between a first wooden plywood layer and a second wooden plywood layer, and reinforcing ribs are arranged between the inner walls of the second reinforcing layer, thereby significantly improving the bending strength of the pure wooden board structure in cooperation with the first reinforcing layer made of a steel wire woven mesh, and by arranging a heat-insulating layer made of a rigid polyurethane foam plastic, the heat-insulating and heat-insulating performance of the board can be greatly increased, and the rigid polyurethane foam plastic has a higher strength and a lower density than natural wood, and can reduce the overall weight at the same time, and by arranging the flame retardant Layer, by coating the fire retardant coating on the outer surface of the insulation layer, the board coated with the fire retardant coating can form a protective film on the surface. This protective film is a dense carbon layer that is dozens of times thicker than the paint film, which can effectively insulate and isolate oxygen to protect the board. In addition, the fire retardant coating has the characteristics of low density, easy construction, low cost, high efficiency and convenience. In addition, the coating uses water as the dispersion medium, and after it dries, it has the advantages of smooth coating, good fire resistance, non-toxicity, and no pollution. By filling fly ash between the first reinforcement layer and the reinforcement, the fire resistance and high temperature resistance of the board are further improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 This is a front cross-sectional view of the utility model;

[0018] Figure 3 For this utility model Figure 2 A magnified view of the structure in the middle.

[0019] In the figure: 1 first wooden plywood layer, 2 second wooden plywood layer, 3 first reinforcement layer, 4 reinforcing ribs, 5 thermal insulation layer, 6 flame retardant layer, 7 second reinforcement layer, 8 filling layer. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-3 In this embodiment, a high-strength building board with good flame retardant and heat-insulating effects includes a first wooden plywood layer 1 and a second wooden plywood layer 2, a first reinforcing layer 3 is provided on the adjacent side of the first wooden plywood layer 1 and the second wooden plywood layer 2, a reinforcing rib 4 is provided between the two first reinforcing layers 3, an insulating layer 5 is provided on the opposite side of the first wooden plywood layer 1 and the second wooden plywood layer 2, a flame retardant layer 6 is coated on the opposite side of the two insulating layers 5, a second reinforcing layer 7 is provided between the first wooden plywood layer 1 and the second wooden plywood layer 2, and a filling layer 8 is provided between the first reinforcing layer 3 and the reinforcing rib 4.

[0022] exist Figure 2 and Figure 3 In the invention, by setting the first reinforcement layer 3 as a steel wire mesh and by setting the steel wire mesh between the first wooden plywood layer 1 and the second wooden plywood layer 2, the overall tensile strength, toughness, bending resistance and other properties of the board can be greatly improved. The second reinforcement layer 7 is an aluminum plate, and with the cooperation of the reinforcing ribs 4, the bending strength of the pure wooden board structure can be significantly improved, and the overall mass can be reduced.

[0023] exist Figure 1 and Figure 2 In the embodiment, by setting the heat-insulating layer 5 as a hard polyurethane foam plastic, the excellent properties of the board such as heat insulation and sound insulation can be greatly improved.

[0024] exist Figure 1 and Figure 2 In the embodiment, by setting the flame retardant layer 6 as a fire retardant coating, the board has good fire resistance and high temperature resistance, the fire resistance of the building board is enhanced, and further fire caused by the building board is effectively prevented.

[0025] During implementation, the following steps are followed: by setting a first reinforcement layer 3, reinforcement ribs 4 and a second reinforcement layer 7, the bending strength of the pure wood board structure is improved; by setting an insulation layer 5, the thermal insulation performance of the board is increased; by setting a flame retardant layer 6, in cooperation with a filling layer 8, the fire resistance and high temperature resistance of the board are improved.

[0026] In summary, the high-strength building board with good flame retardant and heat-insulating effects is provided with a second reinforcing layer 7 made of an aluminum plate between the first wooden plywood layer 1 and the second wooden plywood layer 2, and reinforcing ribs 4 are provided between the inner walls of the second reinforcing layer 7, thereby significantly improving the bending strength of the pure wooden board structure with the cooperation of the first reinforcing layer 3 made of a steel wire mesh, and providing a heat-insulating layer 5 made of a rigid polyurethane foam plastic, thereby greatly increasing the heat-insulating and heat-insulating performance of the board, and the rigid polyurethane foam plastic has a higher strength and a lower density than natural wood, and can reduce the overall mass at the same time, and by providing a flame retardant layer 6, by providing a heat-insulating layer 5 on the outer surface of the heat-insulating layer 5 Coating fire retardant coating, the board coated with fire retardant coating can form a protective film on the surface. This protective film is a dense carbon layer that is dozens of times thicker than the paint film, which can effectively insulate and isolate oxygen to protect the board. In addition, the fire retardant coating has the characteristics of low density, easy construction, low cost, high efficiency and convenience. In addition, the coating uses water as a dispersion medium, and after it dries, it has the advantages of smooth coating, good fire resistance, non-toxicity, and no pollution. By filling fly ash between the first reinforcement layer 3 and the reinforcement rib 4, the fire resistance and high temperature resistance of the board are further improved, solving the problem that the current common board has poor bending strength and most of them do not have good fire resistance.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-strength building board with good flame retardant and heat-insulating effects, comprising a first wooden plywood layer (1) and a second wooden plywood layer (2), characterized in that: A first reinforcing layer (3) is provided on the adjacent side of the first wooden plywood layer (1) and the second wooden plywood layer (2), a reinforcing rib (4) is provided between the two first reinforcing layers (3), a thermal insulation layer (5) is provided on the opposite side of the first wooden plywood layer (1) and the second wooden plywood layer (2), a flame retardant layer (6) is coated on the opposite side of the two thermal insulation layers (5), a second reinforcing layer (7) is provided between the first wooden plywood layer (1) and the second wooden plywood layer (2), and a filling layer (8) is provided between the first reinforcing layer (3) and the reinforcing rib (4).

2. A high-strength building board with good flame retardant and heat-insulating effects according to claim 1, characterized in that: The thickness of the first wooden plywood layer (1) and the second wooden plywood layer (2) is five millimeters to seven millimeters, and the first reinforcement layer (3) is a steel wire woven mesh.

3. The high-strength building board with good flame retardant and heat-insulating effects according to claim 1, characterized in that: The thermal insulation layer (5) is made of hard polyurethane foam plastic, the flame retardant layer (6) is made of fire retardant paint, and the second reinforcement layer (7) is made of an aluminum plate.

4. The high-strength building board with good flame retardant and heat-insulating effects according to claim 1, characterized in that: The thickness of the first reinforcement layer (3) is 0.5 mm to 1 mm, and the filling layer (8) is fly ash.

5. The high-strength building board with good flame retardant and heat-insulating effects according to claim 1, characterized in that: The first wooden plywood layer (1) and the second wooden plywood layer (2) are made of wenge, black walnut, rosewood, elm, white pine or oak.

6. The high-strength building board with good flame retardant and heat-insulating effects according to claim 1, characterized in that: The surface of the reinforcing rib (4) is coated with a fire-resistant coating, and the outer surface of the reinforcing rib (4) is smooth.

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