Light energy-saving fiber cement board

Abstract

The utility model discloses a light energy-saving fiber cement board. The upper end of the first fiber cement board layer is provided with a flame-retardant layer, the upper end of the flame-retardant layer is provided with a waterproof layer, the upper end of the waterproof layer is provided with a first wear-resistant layer, the lower end of the first fiber cement board layer is provided with a sound insulation layer, the lower end of the sound insulation layer is provided with a second fiber cement board layer, and the lower end of the second fiber cement board layer is provided with a thermal insulation layer. A second wear-resistant layer is mounted at the lower end of the insulating layer. The bumps mounted at the upper end and the lower end of the sound insulation layer are matched with the grooves, so that the firmness of the fiber cement board is improved, the sound absorption cotton filled in the mounting holes is used for insulating sound, the influence of noise on indoor personnel is reduced, and when traffic municipal facilities such as expressways, elevated composite roads, urban light rail subways and the like are close to residential areas, the noise is reduced, and the safety is improved. The influence of traffic noise generated when vehicles pass on nearby residential areas is reduced, and particularly the situation that residents are difficult to fall asleep at night is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fiber cement board, concretely relates to a light energy -conserving fiber cement board. BACKGROUND

[0002] The fiber cement board is a board made of cement as a basic material and adhesive, mineral fiber cement and other fibers as reinforcing materials, and through processes such as pulping, molding and curing. The fiber cement board is applied to the fireproof and flame-retardant cable engineering of various power plants, chemical enterprises and other electricity-intensive places in China. It is also the best fireproof and flame-retardant material for indoor decoration fireproof and flame-retardant engineering in large shopping malls, hotels, guesthouses, document halls, enclosed clothing markets, light industry markets, cinemas and other public places.

[0003] For example, the composite fiber cement board disclosed in Chinese patent application No. CN201520569193.2 has the following specific content: it includes a thermal insulation layer, a first adhesive layer, a first fiber cement board and a clear concrete decorative layer. One side of the thermal insulation layer is adjacent to the outer wall surface of the building, that is, the composite fiber cement board is fixed on the outer wall of the building. In this way, the composite fiber cement board and the wall body are firmly connected. In addition to the thermal insulation layer, the first adhesive layer, the first fiber cement board and the clear concrete decorative layer, it also includes a second adhesive layer and a second fiber cement board. However, it still has the following technical problems:

[0004] When the traffic noise of vehicles passing through the highway, elevated composite road, urban light rail and subway is close to residential areas, it can easily affect the nearby residential areas, especially at night, causing residents to have difficulty falling asleep. However, the above-mentioned prior art cannot achieve sound insulation effect, making the residential area close to the highway, elevated composite road, urban light rail and subway traffic municipal facilities relatively noisy. UTILITARIAN CONTENT

[0005] Therefore, the utility model provides a light energy -conserving fiber cement board to solve the problem that the prior art in the prior art cannot achieve sound insulation effect.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A light energy -conserving fiber cement board, comprising a first fiber cement board layer.

[0008] The upper end of the first fiber cement board layer is provided with a flame-retardant layer for fire prevention, the upper end of the flame-retardant layer is provided with a waterproof layer for rain prevention, and the upper end of the waterproof layer is provided with a first wear-resistant layer.

[0009] The lower end of the first fiber cement board layer is provided with a sound insulation layer for sound insulation.

[0010] The lower end of the sound insulation layer is provided with a second fiber cement board layer, the lower end of the second fiber cement board layer is provided with a heat preservation layer for heat preservation, and the lower end of the heat preservation layer is provided with a second wear-resistant layer.

[0011] Further, the first wear-resistant layer is an epoxy wear-resistant paint layer, the waterproof layer is a polyurethane waterproof coating layer, and the flame-retardant layer is a rock wool board.

[0012] Further, the first fiber cement board layer and the second fiber cement board layer are symmetrical in size and structure.

[0013] Further, the lower end of the first fiber cement board layer is provided with a plurality of grooves for increasing the stability of the sound insulation layer.

[0014] Further, the heat preservation layer is made of hard foam polyurethane, and the second wear-resistant layer and the first wear-resistant layer have the same thickness.

[0015] Further, the sound insulation layer comprises a fixing plate, a plurality of mounting holes are formed in the middle part of the fixing plate, sound-absorbing cotton is filled in the hole cavities of the mounting holes for sound insulation, and a plurality of protrusions for clamping the grooves are arranged on the upper and lower ends of the fixing plate.

[0016] The utility model has the advantages of:

[0017] The plurality of protrusions arranged on the upper and lower ends of the sound insulation layer cooperate with the grooves formed in the fiber cement board layers to increase the stability of the fiber cement board, the sound-absorbing cotton filled in the mounting holes is used for sound insulation, thereby reducing the influence of noise on indoor personnel, and the influence of traffic noise on nearby residential areas when the highway, elevated composite road, urban light rail subway and other traffic municipal facilities are close to residential areas is reduced, and the situation that residents are difficult to fall asleep at night is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only exemplary, and for those skilled in the art, other embodiments can be obtained from the provided drawings without creative labor.

[0019] The structures, proportions, sizes, etc. shown in the specification are only used to cooperate with the content disclosed in the specification, to enable those skilled in the art to understand and read, and are not used to limit the implementation conditions of the utility model, so they do not have technical substantive significance. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the functions and purposes that the utility model can produce, should still fall within the scope of the technical content disclosed by the utility model.

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 It is a schematic diagram of the local structure of the first fiber cement plate layer of the utility model;

[0022] Figure 3 It is a schematic diagram of the local structure of the sound insulation layer of the utility model;

[0023] Figure 4 It is an enlarged view of A of the utility model. Figure 1

[0024] In the figure: 10-first wear-resistant layer, 20-waterproof layer, 30-flame-retardant layer, 40-first fiber cement plate layer, 41-groove, 50-second fiber cement plate layer, 60-thermal insulation layer, 70-second wear-resistant layer;

[0025] 100-sound insulation layer, 110-fixing plate, 111-mounting hole, 112-protruding block, 113-sound-absorbing cotton. DETAILED DESCRIPTION

[0026] The embodiments of the utility model are described below by specific examples. Those skilled in the art can easily understand other advantages and effects of the utility model from the content disclosed in the specification. Obviously, the described examples are part of the examples of the utility model, not all examples. Based on the examples in the utility model, all other examples obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] The terms such as "up", "down", "left", "right", "middle" and the like cited in the specification are only for the convenience of clear description, not to limit the scope of the utility model that can be implemented. The change or adjustment of the relative relationship, without substantially changing the technical content, is also considered as the scope of the utility model that can be implemented.

[0028] Please refer to Figures 1-4 ​The utility model provides a kind of light energy-saving fiber cement board, including first wear layer 10, waterproof layer 20, fire-retardant layer 30, first fiber cement board layer 40, second fiber cement board layer 50, heat preservation layer 60, second wear layer 70 and sound insulation layer 100, and sound insulation layer 100 is between first fiber cement board layer 40 and second fiber cement board layer 50, for sound insulation.

[0029] The upper end of the first fiber cement board layer 40 is provided with a fire-retardant layer 30 for fire prevention, which is made of rock wool board by high-temperature melting processing. The rock wool board has the characteristics of light weight, making the fiber cement board provided by the utility model light in weight, convenient to carry and easy to install. The rock wool board also has the characteristics of small thermal conductivity, heat absorption and non-combustibility, achieving the purpose of fire retardation, facilitating fire prevention, effectively reducing the harm caused by fire spread, avoiding rapid spread of fire, causing casualties and property losses, and giving people sufficient time to extinguish the fire source.

[0030] The upper end of the fire-retardant layer 30 is provided with a waterproof layer 20 for rain prevention, which is formed by applying polyurethane waterproof paint. The upper end of the waterproof layer 20 is provided with a first wear layer 10, which is formed by brushing epoxy wear-resistant paint. The provision of the first wear layer 10 makes the fiber cement board provided by the utility model have good wear resistance, greatly improving the service life of the limiting cement board. When the fiber cement boards are stacked together, the limiting cement board is not easily damaged by mutual friction. The provision of the first wear layer 10 can also increase the chemical corrosion resistance of the fiber cement board, preventing erosion when used in industrial sites.

[0031] The polyurethane waterproof paint has high elasticity and ductility, can adapt to the slight deformation of the fiber cement board caused by high temperature, is not prone to cracking, has high waterproof performance, and has good ultraviolet resistance. The provision of the waterproof layer 20 can effectively increase the waterproof performance of the utility model.

[0032] The lower end of the first fiber cement board layer 40 is provided with a plurality of grooves 41 for increasing the stability of the sound insulation layer 100. The lower end of the sound insulation layer 100 is provided with a second fiber cement board layer 50. The size and structure of the first fiber cement board layer 40 and the second fiber cement board layer 50 are the same, and the first fiber cement board layer 40 and the second fiber cement board layer 50 are arranged symmetrically. Therefore, the upper end of the second fiber cement board layer 50 is also provided with a plurality of grooves 41.

[0033] The lower end of the second fiber cement plate layer 50 is provided with a heat preservation layer 60 for heat preservation, which is made of hard foam polyurethane, and the lower end of the heat preservation layer 60 is provided with a second wear-resistant layer 70, which has the same thickness as the first wear-resistant layer 10.

[0034] The lower end of the first fiber cement plate layer 40 is provided with a sound insulation layer 100 for sound insulation, which comprises a fixed plate 110, the middle part of the fixed plate 110 is provided with a plurality of mounting holes 111, the hole cavities of the mounting holes 111 are filled with sound-absorbing cotton 113 for facilitating sound insulation, and the upper and lower ends of the fixed plate 110 are both fixedly provided with a plurality of protrusions 112 for clamping the grooves 41, and the clamping of the protrusions 112 and the grooves 41 can increase the firmness of adhesion.

[0035] The sound-absorbing cotton 113 filled in the mounting holes 111 is used for sound insulation, thereby reducing the influence of noise on indoor personnel, and reducing the influence of traffic noise on nearby residential areas when the highway, elevated composite road, urban light rail and subway and other traffic municipal facilities are close to residential areas, and especially avoiding the situation that residents are difficult to fall asleep at night.

[0036] Although the present application has been described in detail above with general description and specific embodiments, some modifications or improvements can be made on the basis of the present application, which is obvious to those skilled in the art. Therefore, these modifications or improvements made on the basis of not deviating from the spirit of the present application, all belong to the scope of protection required by the present application.

Claims

1. A lightweight and energy-saving fiber cement board, characterized in that: Includes the first fiber cement board layer (40); The upper end of the first fiber cement board layer (40) is provided with a flame-retardant layer (30) for fire prevention, the upper end of the flame-retardant layer (30) is provided with a waterproof layer (20) for rain protection, and the upper end of the waterproof layer (20) is provided with a first wear-resistant layer (10). A sound insulation layer (100) for sound insulation is installed at the lower end of the first fiber cement board layer (40); The lower end of the sound insulation layer (100) is provided with a second fiber cement board layer (50), the lower end of the second fiber cement board layer (50) is provided with a heat insulation layer (60) for heat preservation, and the lower end of the heat insulation layer (60) is provided with a second wear-resistant layer (70).

2. The lightweight and energy-saving fiber cement board according to claim 1, characterized in that: The first wear-resistant layer (10) is a paint layer formed by applying epoxy wear-resistant paint, the waterproof layer (20) is a coating formed by applying polyurethane waterproof coating, and the flame-retardant layer (30) is a rock wool board.

3. The lightweight and energy-saving fiber cement board according to claim 1, characterized in that: The first fiber cement board layer (40) and the second fiber cement board layer (50) have the same size and structure, and the first fiber cement board layer (40) and the second fiber cement board layer (50) are arranged symmetrically from top to bottom.

4. The lightweight and energy-saving fiber cement board according to claim 1, characterized in that: The lower end of the first fiber cement board layer (40) is provided with a plurality of grooves (41) to facilitate increasing the stability of the sound insulation layer (100).

5. The lightweight and energy-saving fiber cement board according to claim 1, characterized in that: The insulation layer (60) is made of rigid polyurethane foam, and the second wear-resistant layer (70) and the first wear-resistant layer (10) have the same thickness.

6. The lightweight and energy-saving fiber cement board according to claim 4, characterized in that: The sound insulation layer (100) includes a fixing plate (110), and the fixing plate (110) has a plurality of mounting holes (111) in the middle. The holes (111) are filled with sound-absorbing cotton (113) to facilitate sound insulation. The fixing plate (110) has a plurality of protrusions (112) installed at both the upper and lower ends for engaging with the groove (41).

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