A method for preparing artificial board capable of reducing noise

Abstract

The present invention belongs to the technical field of noise reduction board preparation, specifically a method for preparing artificial boards that can reduce noise, comprising the following steps: S1: obtaining materials; S2: adding silicate cement, diatomaceous earth, fly ash, gypsum, shell powder, quartz sand and water into a mixer and stirring, obtaining main frame board slurry after stirring, pouring the main frame board slurry into a mold, and obtaining the main frame board after solidification and molding; wherein, during the molding process of the main frame board mold, a filling cavity is left in the middle of the main frame board, and the filling cavity extends from the lower side of the main frame board to the upper end of the main frame board; S3: preparing a filling board; S4: loading the filling board into the filling cavity; S5: casting a sealing board on the upper end of the filling cavity; S6: casting an outer protective layer on the outer side of the main frame board; the main frame board has certain noise reduction performance, and the filling board in the main frame board is used to enhance the noise reduction performance of the artificial board. After the filling board is loaded into the main frame board, it can greatly reduce the penetration of sound and improve the noise reduction effect.

Description

Technical Field

[0001] The invention relates to the field of noise reduction board preparation, in particular to a method for preparing an artificial board capable of reducing noise. Background Art

[0002] Noise-reducing panels are a special type of wood-based panel designed to reduce noise transmission through their structure and material properties. These panels are not only widely used in construction and decoration, but also play an important role in improving the comfort of living and working environments.

[0003] In the existing preparation process of artificial boards that can reduce noise, most of the emphasis is placed on their noise reduction performance alone, which correspondingly leads to the need to further improve the strength and fire resistance of the artificial boards. It is difficult to simultaneously take into account the fire resistance, strength and noise reduction performance of the boards. Therefore, the present invention provides a method for preparing artificial boards that can reduce noise. Summary of the Invention

[0004] The object of the present invention is to provide a method for preparing an artificial board that can reduce noise, so as to solve the above-mentioned problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the present invention provides the following technical solution: a method for preparing a wood-based panel capable of reducing noise, comprising the following steps:

[0006] S1: Take materials, by weight, take 100-150 parts of Portland cement, 10-15 parts of diatomaceous earth, 10-30 parts of fly ash, 20-30 parts of gypsum, 8-10 parts of shell powder, 30-40 parts of quartz sand, and 180-280 parts of water; the particle size of the shell powder is 100-200 microns;

[0007] S2: Portland cement, diatomaceous earth, fly ash, gypsum, shell powder, quartz sand and water are added to a mixer and stirred for 5-10 minutes to obtain a main frame plate slurry, which is poured into a mold and cured to obtain a main frame plate;

[0008] Wherein, during the molding process of the main frame plate mold, a filling cavity is left in the middle of the main frame plate, and the filling cavity extends from the lower side of the main frame plate to the upper end of the main frame plate. The filling cavity does not pass through the main frame plate, and the upper end of the filling cavity is a filling port;

[0009] S3: Preparing a filling plate: Taking 40-50 parts of glass fiber, 8-10 parts of diatomaceous earth, 50-60 parts of resin, 10-12 parts of rubber powder, and 6-8 parts of aluminum hydroxide by weight, the glass fiber, diatomaceous earth, resin, rubber powder, and aluminum hydroxide are added to a reactor, heated and mixed, and then injected into a mold to obtain a filling plate after molding;

[0010] S4: inserting a filling plate into the filling cavity, and fixing the filling plate to the filling cavity by bonding;

[0011] S5: Casting a sealing plate on the upper end of the filling cavity, wherein the sealing plate is made of the main frame plate slurry, and steel bars are installed between the main frame plate and the sealing plate;

[0012] S6: Cast an outer protective layer on the outside of the main frame plate. The outer protective layer is fine stone concrete, which is formed by a mold, smoothed along the mold, and cured to obtain a man-made board that can reduce noise. The thickness ratio of the outer protective layer to the main frame plate is 1:0.5-1.

[0013] Preferably, in step S1, 100 parts of Portland cement, 10 parts of diatomaceous earth, 10 parts of fly ash, 20 parts of gypsum, 8 parts of shell powder, 30 parts of quartz sand and 180 parts of water are taken in parts by weight.

[0014] Preferably, in step S1, 125 parts of Portland cement, 12.5 parts of diatomaceous earth, 20 parts of fly ash, 25 parts of gypsum, 9 parts of shell powder, 35 parts of quartz sand and 230 parts of water are taken in parts by weight.

[0015] Preferably, in step S1, 150 parts of Portland cement, 15 parts of diatomaceous earth, 30 parts of fly ash, 30 parts of gypsum, 10 parts of shell powder, 40 parts of quartz sand and 280 parts of water are taken in parts by weight.

[0016] Preferably, a retarder is mixed into the gypsum, and the mass ratio of the retarder to the gypsum is 0.03-0.5:100.

[0017] Preferably, the retarder is any one of borax, potassium sodium tartrate, citric acid, and sodium hexametaphosphate.

[0018] Preferably, in step S3, during the process of forming the filling plate mold, the filling plate is directly formed into a size that matches the filling cavity through the mold, or after the filling plate mold is formed, the filling plate is cut to obtain a filling plate that matches the size of the filling cavity.

[0019] Preferably, a steel mesh is provided between the main frame plate and the outer protective layer, and the steel mesh installation process includes the following steps: installing a fixing piece on the surface of the main frame plate, laying the steel mesh on the surface of the main frame plate and connecting the steel mesh and the fixing piece.

[0020] Preferably, the fixing parts are embedded in the main frame plate during the main frame plate forming process, or after the main frame plate is formed, holes are drilled on the surface of the main frame plate, and after the drilling is completed, the fixing parts are installed in the holes with micro-expansion high-strength cement anchor glue to fix them.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] The noise-reducing artificial board of the present invention is mainly composed of a main frame board, a filling board and an outer protective layer. The main frame board is composed of silicate cement, diatomaceous earth, fly ash, gypsum, shell powder and quartz sand. Under the synergistic effect, the main frame board is guaranteed to have high strength. At the same time, the diatomaceous earth and shell powder can reduce the penetration of sound, so that the main frame board has a certain noise reduction performance. The filling board in the main frame board is used to enhance the noise reduction performance of the artificial board. The filling board is composed of glass fiber, diatomaceous earth, resin, rubber powder and aluminum hydroxide, and has relatively excellent noise reduction performance. After the filling board is installed in the main frame board, the penetration of sound can be greatly reduced and the noise reduction effect is improved. By installing the outer protective layer on the outside of the main frame board, the outer protective layer is fine stone concrete, which improves the strength of the artificial board and extends the service life of the board. In addition, this artificial board has excellent fire resistance and good thermal insulation. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 Schematic diagram of the steps of the present invention. DETAILED DESCRIPTION

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] In the description of the present invention, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate and simplify the description of the present invention. They are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation, and therefore should not be construed as limitations on the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0026] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "mounted / connected," and "connected" should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in the present invention in specific circumstances.

[0027] See also Figure 1The present invention provides a technical solution: a method for preparing a wood-based panel capable of reducing noise, comprising the following steps:

[0028] S1: Take materials, by weight, take 100-150 parts of Portland cement, 10-15 parts of diatomaceous earth, 10-30 parts of fly ash, 20-30 parts of gypsum, 8-10 parts of shell powder, 30-40 parts of quartz sand, and 180-280 parts of water; the particle size of the shell powder is 100-200 microns;

[0029] Diatomaceous earth has a low thermal conductivity, which makes it have good thermal insulation properties. Due to its porous structure, diatomaceous earth can also absorb sound waves and reduce noise transmission, which makes diatomaceous earth boards perform well in sound insulation.

[0030] Fly ash contains a large amount of silicate, which can improve the anti-permeability and later strength of concrete and extend the service life of artificial boards;

[0031] Gypsum can reduce the risk of cracks in artificial boards, help maintain the stability of concrete volume, extend the service life of buildings, and has good thermal insulation performance and certain fire resistance and sound insulation properties;

[0032] Shell powder has a loose and porous structure, which can absorb and reduce some of the sound wave energy, while helping to improve the strength and durability of cement materials;

[0033] Quartz sand has high hardness and strong toughness, which can improve the strength and wear resistance of concrete and mortar, and reduce cracks and deformation of concrete caused by temperature changes;

[0034] S2: Portland cement, diatomaceous earth, fly ash, gypsum, shell powder, quartz sand and water are added to a mixer and stirred for 5-10 minutes to obtain a main frame plate slurry, which is poured into a mold and cured to obtain a main frame plate;

[0035] During the molding process of the main frame plate mold, a filling cavity is left in the middle of the main frame plate. The filling cavity extends from the lower side of the main frame plate to the upper end of the main frame plate. The filling cavity does not pass through the main frame plate, and the upper end of the filling cavity is a filling port.

[0036] S3: Preparing a filled board: Taking 40-50 parts by weight of glass fiber, 8-10 parts of diatomaceous earth, 50-60 parts of resin, 10-12 parts of rubber powder, and 6-8 parts of aluminum hydroxide, the glass fiber, diatomaceous earth, resin, rubber powder, and aluminum hydroxide are added to a reactor, heated and mixed, and then injected into a mold to form a filled board. The glass fiber can improve many properties of the board, such as extremely high mechanical properties and other properties such as moisture resistance, rust resistance, and high sound insulation.

[0037] S4: inserting a filling plate into the filling cavity, and fixing the filling plate to the filling cavity by bonding;

[0038] S5: Cast a sealing plate at the upper end of the filling cavity. The sealing plate is made of the main frame plate slurry, and steel bars are installed between the main frame plate and the sealing plate. The steel bars can be pre-embedded during the main frame plate forming process to improve the connection strength between the sealing plate and the main frame plate.

[0039] S6: An outer protective layer is poured on the outside of the main frame plate. The outer protective layer is fine stone concrete, formed by a mold, smoothed along the mold, and cured to obtain an artificial board that can reduce noise. The thickness ratio of the outer protective layer to the main frame plate is 1:0.5-1.

[0040] In step S3, during the process of forming the filling plate mold, the filling plate is directly formed into a size that matches the filling cavity through the mold, or after the filling plate mold is formed, the filling plate is cut to obtain a filling plate that matches the size of the filling cavity.

[0041] A steel mesh is set between the main frame plate and the outer protective layer. The steel mesh installation process includes the following steps: installing the fixings on the surface of the main frame plate, laying the steel mesh on the surface of the main frame plate and connecting the steel mesh and the fixings. The fixings and the steel mesh can be fixed by tying iron wire, etc. The fixings are steel rods.

[0042] The fixing parts are embedded in the main frame plate during the main frame plate forming process, or after the main frame plate is formed, holes are drilled on the surface of the main frame plate. After the drilling is completed, the fixing parts are installed in the holes with micro-expansion high-strength cement anchor glue to fix them.

[0043] Example 1:

[0044] In parts by weight, 100 parts of silicate cement, 10 parts of diatomaceous earth, 10 parts of fly ash, 20 parts of gypsum, 8 parts of shell powder, 30 parts of quartz sand and 180 parts of water are taken, and the silicate cement, diatomaceous earth, fly ash, gypsum, shell powder, quartz sand and water are added into a mixer and stirred for 5-10 minutes. After the stirring is completed, a main frame plate slurry is obtained, and a retarder is mixed in the gypsum, and the mass ratio of the retarder to the gypsum is 0.03-0.5:100. The retarder is any one of borax, potassium sodium tartrate, citric acid and sodium hexametaphosphate. The main frame plate slurry is poured into a mold, and the main frame plate is obtained after solidification and molding. During the molding process of the main frame plate mold, a filling cavity is left in the middle of the main frame plate, and the filling cavity extends from the lower side of the main frame plate to the main frame At the upper end of the plate, the filling cavity does not penetrate the main frame plate, and the upper end of the filling cavity is a filling port; 40 parts of glass fiber, 8 parts of diatomaceous earth, 50 parts of resin, 10 parts of rubber powder, and 6 parts of aluminum hydroxide are taken by weight, and the glass fiber, diatomaceous earth, resin, rubber powder and aluminum hydroxide are added to a reactor, heated and mixed, and then injected into a mold to obtain a filling plate after molding; the filling cavity is loaded with the filling plate, and the filling plate and the filling cavity are fixed by bonding; a sealing plate is cast on the upper end of the filling cavity, and the sealing plate adopts the main frame plate slurry, and steel bars are installed between the main frame plate and the sealing plate; an outer protective layer is cast on the outside of the main frame plate, and the outer protective layer is fine stone concrete, which is molded by a mold, smoothed along the mold, and cured to obtain a noise-reducing artificial board, and the thickness ratio of the outer protective layer to the main frame plate is 1:0.5.

[0045] Example 2:

[0046] In parts by weight, 125 parts of silicate cement, 12.5 parts of diatomaceous earth, 20 parts of fly ash, 25 parts of gypsum, 9 parts of shell powder, 35 parts of quartz sand and 230 parts of water are taken, and silicate cement, diatomaceous earth, fly ash, gypsum, shell powder, quartz sand and water are added into a mixer and stirred for 5-10 minutes. After the stirring is completed, a main frame plate slurry is obtained, and a retarder is mixed in the gypsum, and the mass ratio of the retarder to the gypsum is 0.03-0.5:100, and the retarder is borax. The main frame plate slurry is poured into a mold, and the main frame plate is obtained after curing and molding. During the molding process of the main frame plate mold, a filling cavity is left in the middle of the main frame plate, and the filling cavity extends from the lower side of the main frame plate to the upper end of the main frame plate, and the filling cavity does not penetrate The main frame plate is passed through, and the upper end of the filling cavity is a filling port; 45 parts of glass fiber, 9 parts of diatomaceous earth, 55 parts of resin, 11 parts of rubber powder and 7 parts of aluminum hydroxide are taken by weight, and the glass fiber, diatomaceous earth, resin, rubber powder and aluminum hydroxide are added to the reactor, heated and mixed, and then injected into the mold to obtain a filling plate after molding; the filling cavity is loaded with the filling plate, and the filling plate and the filling cavity are fixed by bonding; a sealing plate is cast on the upper end of the filling cavity, and the sealing plate adopts the main frame plate slurry, and steel bars are installed between the main frame plate and the sealing plate; an outer protective layer is cast on the outside of the main frame plate, and the outer protective layer is fine stone concrete, which is molded by a mold, smoothed along the mold, and cured to obtain a man-made board that can reduce noise, and the thickness ratio of the outer protective layer to the main frame plate is 1:1.

[0047] Example 3:

[0048] In parts by weight, 150 parts of silicate cement, 15 parts of diatomaceous earth, 30 parts of fly ash, 30 parts of gypsum, 10 parts of shell powder, 40 parts of quartz sand and 280 parts of water are taken, and the silicate cement, diatomaceous earth, fly ash, gypsum, shell powder, quartz sand and water are added into a mixer and stirred for 5-10 minutes. After the stirring is completed, a main frame plate slurry is obtained, and a retarder is mixed in the gypsum, and the mass ratio of the retarder to the gypsum is 0.03-0.5:100, and the retarder is citric acid. The main frame plate slurry is poured into a mold, and the main frame plate is obtained after solidification and molding. During the molding process of the main frame plate mold, a filling cavity is left in the middle of the main frame plate, and the filling cavity extends from the lower side of the main frame plate to the upper end of the main frame plate, and the filling cavity does not pass through the main frame plate. The main frame plate has a filling port at the upper end of the filling cavity; 50 parts of glass fiber, 10 parts of diatomaceous earth, 60 parts of resin, 12 parts of rubber powder and 8 parts of aluminum hydroxide are taken by weight, the glass fiber, diatomaceous earth, resin, rubber powder and aluminum hydroxide are added to a reactor, heated and mixed, and then injected into a mold to obtain a filling plate after molding; the filling cavity is loaded with the filling plate, and the filling plate and the filling cavity are fixed by bonding; a sealing plate is cast on the upper end of the filling cavity, and the sealing plate adopts the main frame plate slurry, and steel bars are installed between the main frame plate and the sealing plate; an outer protective layer is cast on the outer side of the main frame plate, and the outer protective layer is fine stone concrete, which is molded by a mold, smoothed along the mold, and cured to obtain a noise-reducing artificial board, and the thickness ratio of the outer protective layer to the main frame plate is 1:1.

[0049] Working principle: The noise-reducing artificial board is mainly composed of a main frame board, a filling board and an outer protective layer. The main frame board is composed of silicate cement, diatomaceous earth, fly ash, gypsum, shell powder and quartz sand. Under the synergistic effect, the main frame board is guaranteed to have high strength. At the same time, diatomaceous earth and shell powder can reduce the penetration of sound, so that the main frame board has a certain noise reduction performance. The filling board in the main frame board is used to enhance the noise reduction performance of the artificial board. The filling board is composed of glass fiber, diatomaceous earth, resin, rubber powder and aluminum hydroxide, and has relatively excellent noise reduction performance. After the filling board is installed into the main frame board, the penetration of sound can be greatly reduced and the noise reduction effect is improved. By installing the outer protective layer on the outside of the main frame board, the outer protective layer is fine stone concrete, which improves the strength of the artificial board and extends the service life of the board. This artificial board has excellent fire resistance and good thermal insulation.

[0050] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is limited by the appended claims rather than the above description. Therefore, it is intended that all changes that fall within the meaning and scope of the equivalent elements of the claims are included in the present invention, and any figure signs in the claims should not be regarded as limiting the claims involved.

[0051] While 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 these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A method for preparing a noise-reducing artificial board, characterized in that: The following steps are involved: S1: Take materials, by weight, take 100-150 parts of Portland cement, 10-15 parts of diatomaceous earth, 10-30 parts of fly ash, 20-30 parts of gypsum, 8-10 parts of shell powder, 30-40 parts of quartz sand, and 180-280 parts of water; S2: Portland cement, diatomaceous earth, fly ash, gypsum, shell powder, quartz sand and water are added to a mixer and stirred to obtain a main frame plate slurry, which is poured into a mold and cured to obtain a main frame plate; Wherein, during the molding process of the main frame plate mold, a filling cavity is left in the middle of the main frame plate, and the filling cavity extends from the lower side of the main frame plate to the upper end of the main frame plate. The filling cavity does not pass through the main frame plate, and the upper end of the filling cavity is a filling port; S3: Preparing a filling plate: Taking 40-50 parts of glass fiber, 8-10 parts of diatomaceous earth, 50-60 parts of resin, 10-12 parts of rubber powder, and 6-8 parts of aluminum hydroxide by weight, the glass fiber, diatomaceous earth, resin, rubber powder, and aluminum hydroxide are added to a reactor, heated and mixed, and then injected into a mold to obtain a filling plate after molding; S4: inserting a filling plate into the filling cavity, and fixing the filling plate to the filling cavity by bonding; S5: Casting a sealing plate on the upper end of the filling cavity, wherein the sealing plate is made of the main frame plate slurry, and steel bars are installed between the main frame plate and the sealing plate; S6: Cast an outer protective layer on the outside of the main frame plate. The outer protective layer is fine stone concrete, which is formed by a mold, smoothed along the mold, and cured to obtain a man-made board that can reduce noise. The thickness ratio of the outer protective layer to the main frame plate is 1:0.5-1.

2. The method for preparing a noise-reducing artificial board according to claim 1, wherein: In step S1, 100 parts of Portland cement, 10 parts of diatomaceous earth, 10 parts of fly ash, 20 parts of gypsum, 8 parts of shell powder, 30 parts of quartz sand and 180 parts of water are taken in parts by weight.

3. The method for preparing a noise-reducing artificial board according to claim 1, wherein: In step S1, 125 parts of Portland cement, 12.5 parts of diatomaceous earth, 20 parts of fly ash, 25 parts of gypsum, 9 parts of shell powder, 35 parts of quartz sand and 230 parts of water are taken in parts by weight.

4. The method for preparing a noise-reducing artificial board according to claim 1, wherein: In step S1, 150 parts of Portland cement, 15 parts of diatomaceous earth, 30 parts of fly ash, 30 parts of gypsum, 10 parts of shell powder, 40 parts of quartz sand and 280 parts of water are taken in parts by weight.

5. The method for preparing a noise-reducing artificial board according to claim 1, wherein: The gypsum is mixed with a retarder, and the mass ratio of the retarder to the gypsum is 0.03-0.5:

100.

6. The method for preparing a noise-reducing artificial board according to claim 5, wherein: The retarder is any one of borax, potassium sodium tartrate, citric acid, and sodium hexametaphosphate.

7. The method for preparing a noise-reducing artificial board according to claim 1, wherein: In step S3, during the process of forming the filling plate mold, the filling plate is directly formed into a size that matches the filling cavity through the mold, or after the filling plate mold is formed, the filling plate is cut to obtain a filling plate that matches the size of the filling cavity.

8. The method for preparing a noise-reducing artificial board according to claim 1, wherein: A steel mesh is arranged between the main frame plate and the outer protective layer. The steel mesh installation process includes the following steps: installing a fixing piece on the surface of the main frame plate, laying the steel mesh on the surface of the main frame plate and connecting the steel mesh and the fixing piece.

9. The method for preparing a noise-reducing artificial board according to claim 8, wherein: The fixing piece is embedded in the main frame plate during the main frame plate forming process, or after the main frame plate is formed, holes are drilled on the surface of the main frame plate. After the drilling is completed, the fixing piece is installed in the hole with micro-expansion high-strength cement anchor glue to fix it.

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