Antibacterial fireproof composite material and preparation method thereof

Abstract

The invention provides an antibacterial fireproof composite material and a preparation method thereof. The antibacterial fireproof composite material provided by the invention comprises a heat preservation and insulation layer and an antibacterial coating arranged on the surface of the heat preservation and insulation layer, the heat preservation and insulation layer comprises a foaming material layer and a reinforcing layer arranged on the surface of the foaming material layer, and the foaming material layer is a foaming board directly made of environment-friendly foaming particles or a composite foaming board made of raw materials containing the environment-friendly foaming particles and gluing materials. The environment-friendly foaming particles are prepared from natural organic materials and inorganic fireproof materials. The antibacterial fireproof composite material provided by the invention adopts an environment-friendly foaming material as a thermal insulation material, and does not contain harmful substances such as benzene, formaldehyde and the like; the fireproof grade of the composite material can reach grade A, and a safer living environment can be provided for people and animals; in addition, the composite material can effectively resist and remove bacteria, and harm of harmful bacteria to human and animals is reduced.

Description

Technical Field

[0001] The invention belongs to the field of new materials and new processes, and in particular relates to an antibacterial and fireproof composite material and a preparation method thereof. Background Art

[0002] As people pay more and more attention to life and health in recent years, their health awareness is also increasing. In addition to people's increasingly strict requirements on food, people are now paying more and more attention to the requirements of living environment and supplies. At present, unqualified decoration products on the market, whether it is the manufacturers who produce the products or the consumers who use the products, have insufficient knowledge of materials, resulting in excessive volatile organic compounds such as formaldehyde, benzene, and xylene contained in the decoration products. As consumers use them over time, these volatile organic compounds cause immeasurable harm to human health, and even sacrifice precious lives. As a result, special TVOC detection instruments and testing standards for formaldehyde, benzene, xylene, etc. have been produced to ensure the health and safety of people's living environment.

[0003] In addition, both civil and commercial buildings use a large amount of insulation materials to save energy and reduce carbon emissions. However, the commonly used insulation materials are mostly foam particles with polystyrene as the main raw material, and the market demand is large. Because polystyrene products contain organic volatiles such as formaldehyde and benzene, they have a certain impact on the health of humans or animals. How to retain the thermal insulation properties of polystyrene products and eliminate the volatilization of toxic substances has become an urgent problem to be solved. Summary of the invention

[0004] In view of this, the object of the present invention is to provide an antibacterial and fireproof composite material and a preparation method thereof. The antibacterial and fireproof composite material provided by the present invention adopts an environmentally friendly foaming material as a thermal insulation material, and does not contain harmful substances such as benzene and formaldehyde; and the composite material can also effectively resist bacteria and sterilize, reducing the harm of harmful bacteria to humans and animals.

[0005] The present invention provides an antibacterial fireproof composite material, comprising: a thermal insulation layer and an antibacterial coating arranged on the surface of the thermal insulation layer;

[0006] The thermal insulation layer comprises a foam material layer and a reinforcement layer arranged on the surface of the foam material layer, wherein the foam material layer is a foam board made directly of environmentally friendly foam particles or a composite foam board made of raw materials containing environmentally friendly foam particles and adhesive materials;

[0007] The raw materials for preparing the environmentally friendly foaming particles include natural organic materials and inorganic fireproof materials.

[0008] Preferably, the reinforcement layer is a reinforcement layer plate material, and the reinforcement layer plate material and the foaming material layer are bonded and compounded.

[0009] Preferably, the reinforcement layer is coated on the surface of the foaming material layer.

[0010] Preferably, the environmentally friendly foamed particles are prepared according to the following steps:

[0011] The plant fragments, the natural organic adhesive and the inorganic fireproof material are mixed and granulated to obtain a granular material;

[0012] After the surface of the particle material is covered with a natural organic film, a foaming treatment is performed to obtain environmentally friendly foamed particles.

[0013] Preferably, the plant debris is one or more of straw debris, leaf debris, bark debris and root debris;

[0014] The natural organic adhesive is one or more of glutinous rice, millet, wheat, starch, maltodextrin, latex powder and cellulose;

[0015] The inorganic fireproof material is one or more of magnesium oxide, rare earth, titanium dioxide, medical stone, zeolite, perlite, silica fume and light calcium;

[0016] The ingredients of the natural organic film include one or more of glutinous rice flour, rice flour and millet flour.

[0017] Preferably, the adhesive material used to prepare the composite foam board is a cement-based adhesive material or a magnesium-based adhesive material.

[0018] Preferably, the reinforcement layer is a cement-based material or a magnesium-based material.

[0019] Preferably, the components of the antibacterial coating include one or more of silver, rare earth, titanium dioxide, medical stone, zeolite and magnesium oxide.

[0020] Preferably, the antibacterial and fireproof composite material is provided with prefabricated parts inside, and the prefabricated parts are one or more of load-bearing structural parts, magnet structural parts, digital transmission induction parts and connecting components.

[0021] The present invention provides a method for preparing the antibacterial and fireproof composite material described in the above technical solution, comprising the following steps:

[0022] The various layers of the antibacterial and fireproof composite material are compounded according to structural requirements to obtain the antibacterial and fireproof composite material.

[0023] Compared with the prior art, the present invention provides an antibacterial and fireproof composite material and a preparation method thereof. The antibacterial and fireproof composite material provided by the present invention comprises: a thermal insulation layer and an antibacterial coating arranged on the surface of the thermal insulation layer; the thermal insulation layer comprises a foaming material layer and a reinforcing layer arranged on the surface of the foaming material layer, the foaming material layer is a foaming board directly made of environmentally friendly foaming particles or a composite foaming board made of raw materials containing environmentally friendly foaming particles and adhesive materials; the raw materials for preparing the environmentally friendly foaming particles include natural organic materials and inorganic fireproof materials. The antibacterial and fireproof composite material provided by the present invention uses environmentally friendly foaming materials as thermal insulation materials, and does not contain harmful substances such as benzene and formaldehyde; the fireproof grade of the composite material can reach Class A, which can provide a safer living environment for humans and animals; in addition, the composite material can also effectively resist bacteria and sterilize, reducing the harm of harmful bacteria to humans and animals. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention are described clearly and completely below. 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 creative work are within the scope of protection of the present invention.

[0025] The present invention provides an antibacterial fireproof composite material, comprising: a thermal insulation layer and an antibacterial coating arranged on the surface of the thermal insulation layer;

[0026] The thermal insulation layer comprises a foam material layer and a reinforcement layer arranged on the surface of the foam material layer, wherein the foam material layer is a foam board made directly of environmentally friendly foam particles or a composite foam board made of raw materials containing environmentally friendly foam particles and adhesive materials;

[0027] The raw materials for preparing the environmentally friendly foaming particles include natural organic materials and inorganic fireproof materials.

[0028] In the present invention, the interior of the antibacterial and fireproof composite material is preferably provided with prefabricated parts, and the prefabricated parts include but are not limited to one or more of load-bearing structural parts, magnetic structural parts, digital transmission induction parts and connecting components. Among them, the load-bearing structural parts can be made according to requirements, and the materials thereof can be metal (such as steel, aluminum, etc.) or non-metal (such as bamboo, wood, etc.); the magnetic structural parts can be placed in the frequently opened or closed position according to needs; the digital transmission induction parts can be but are not limited to the transmission induction lines for testing temperature and humidity, various wires or intelligent control line embedded parts connected to the external solar photovoltaic panels and internal fans, etc.; the connecting components can be hinges for rotating connections, etc.

[0029] In the present invention, the mass proportion of natural organic materials in the raw materials for preparing the environmentally friendly foaming particles is preferably greater than that of inorganic fireproof materials, and the environmentally friendly foaming particles are preferably prepared according to the following steps: plant fragments, natural organic adhesives and inorganic fireproof materials are mixed and granulated to obtain granular materials; after the surface of the granular materials is covered with a natural organic film, a foaming treatment is performed to obtain environmentally friendly foaming particles. Among them, the plant fragments include but are not limited to one or more of straw fragments, leaf fragments, bark fragments and root fragments; the natural organic adhesive includes but is not limited to glutinous rice, millet, wheat, starch, maltodextrin, latex powder and cellulose; the inorganic fireproof materials include but are not limited to one or more of magnesium oxide, rare earth, titanium dioxide, medical stone, zeolite, perlite, silica fume and light calcium; the mixing temperature is preferably 10 to 30°C; the components of the natural organic film include but are not limited to one or more of glutinous rice flour, rice flour and millet flour.

[0030] In the present invention, in a specific implementation case, the specific preparation process of the environmentally friendly foamed particles includes: first, using special equipment to crush the plant material into particles (or crushed powder), then mixing it with particles of inorganic fireproof materials, adding natural organic adhesives, and putting it into a reactor for stirring; passing the stirred mixture through a mixer, a filter and a pellet forming device in turn to make uniform particles; then putting the prepared particles into a coating rotary tank to coat the particles, wherein the coated film is composed of natural organic matter with strong bonding force; after curing, putting it into a foaming device, under a certain temperature and pressure, to emit environmentally friendly foamed particles.

[0031] In the present invention, the composite foam board is made of raw materials containing environmentally friendly foaming particles and adhesive materials, and the adhesive material is preferably a cement-based adhesive material or a magnesium-based adhesive material. In the present invention, the cement-based adhesive material uses cement as an inorganic adhesive material, adds an appropriate amount of water, and optionally adds one or more reinforcing and modifying materials such as glue powder, cellulose, waterproofing agent, water reducer, and silica fume; the components of the magnesium-based adhesive material include magnesium oxide and a conditioning agent, and optionally add a modifier and / or a waterproofing agent, the conditioning agent is preferably brine or magnesium sulfate solution, and the modifier includes one or more of citric acid, food ammonium carbonate, sodium benzoate, and glucose. In the present invention, the composite foam board is preferably formed by curing the raw materials using a box-type pressing method or a flow production line method. In the present invention, during the molding process of the composite foam board, it is preferred to pre-embed the prefabricated parts therein, and then cure and mold them into one piece.

[0032] In the present invention, the bulk density of the composite foamed board is preferably 150 to 300 kg / m 3The fire protection grade of the composite foam board is preferably A2; the thermal conductivity of the composite foam board is preferably below 0.06W / (m·K); the TOVC content of the composite foam board is preferably ≤0.5mg / m 3 .

[0033] In the present invention, the reinforcing layer is preferably a cement-based material or a magnesium-based material; wherein the cement-based material uses cement as an inorganic bonding material, adds an appropriate amount of water, and optionally adds one or more reinforcing and modifying materials such as glue powder, cellulose, waterproofing agent, water reducing agent, silica fume, etc., and preferably antibacterial components can also be added; the components of the magnesium-based material include magnesium oxide and a conditioning agent, and optionally add a modifier and / or a waterproofing agent, and preferably antibacterial components can also be added, the conditioning agent is preferably brine or magnesium sulfate solution, and the modifier includes one or more of citric acid, food ammonium carbonate, sodium benzoate and glucose.

[0034] In the present invention, the reinforcing layer can be a reinforcing layer sheet material, and is composited with the foaming material layer in the form of a sheet material; or it can be a reinforcing material coating layer, which is coated on the surface of the foaming material layer. When the reinforcing layer is a reinforcing layer sheet material, its preparation process preferably includes: the raw material slurry of the reinforcing layer material is made into a sheet shape by a flow production line method, and the thickness is greater than the thickness of the finished sheet material; then the sheet material is pressed into the required thickness by a hot pressing extrusion process to improve the density and strength of the sheet material; then, it is heated for a period of time, and then cured at room temperature to obtain a reinforcing layer sheet material. Among them, the density of the sheet material without the hot pressing extrusion is preferably <1000-1100kg / m 3 The density of the sheet material after hot pressing and extrusion is preferably 1300-1800 kg / m 3 The heating treatment method is preferably microwave heating, and the heating time is preferably 10 to 90 seconds; the room temperature curing temperature is preferably 20 to 30°C; the room temperature curing time is preferably 8 to 12 hours.

[0035] In the present invention, when the reinforcing layer is a reinforcing layer board material, the reinforcing layer board material and the foaming material layer are preferably composited by adhesive bonding.

[0036] In the present invention, the antibacterial agent in the antibacterial coating includes but is not limited to one or more of silver, rare earth, titanium dioxide, medical stone, zeolite and magnesium oxide. In the present invention, the particle size of the antibacterial agent is preferably ≤100nm, which has better antibacterial and anti-inflammatory properties.

[0037] In the present invention, the antibacterial coating can be applied to the outer surface of the thermal insulation layer by spraying or smearing. When applying, a certain amount of adhesive is preferably mixed into the antibacterial agent, and the adhesive is preferably a natural organic component.

[0038] In the present invention, the antibacterial and fireproof composite material can be composited with a photovoltaic power generation panel. More specifically, the antibacterial and fireproof composite material with pre-buried connecting components can be composited with a solar photovoltaic panel to form a whole.

[0039] The present invention also provides a method for preparing the antibacterial and fireproof composite material described in the above technical solution, comprising the following steps:

[0040] The various layers of the antibacterial and fireproof composite material are compounded according to structural requirements to obtain the antibacterial and fireproof composite material.

[0041] The antibacterial and fireproof composite material provided by the present invention adopts an environmentally friendly foaming material as a thermal insulation material, and does not contain harmful substances such as benzene and formaldehyde; the fireproof grade of the composite material can reach Class A, and can provide a safer living environment for humans and animals; in addition, the composite material can also effectively resist bacteria and remove bacteria, reducing the harm of harmful bacteria to humans and animals.

[0042] For the purpose of greater clarity, the invention is described in detail through the following examples.

[0043] Example 1

[0044] (1) First, according to the structural requirements, make the corresponding embedded parts, including the steel frame structure of the load-bearing structural parts and put it into the mold; put the structural connecting parts into the predetermined position of the mold, put the sensor connection line into the PVC pipe first, put the pipe with the wire threaded into the predetermined position of the predetermined mold, and put the magnet for magnetic attraction connection into the predetermined position of the mold (code a).

[0045] (2) Preparation of environmentally friendly foaming particles:

[0046] Weigh 20 parts by mass of biostraw crumbs, 5 parts by mass of perlite particles, 5 parts by mass of an organic adhesive made of glutinous rice and starch, 0.2 parts by mass of latex powder, and 0.01 parts by mass of cellulose;

[0047] The above raw materials are placed in a reactor and stirred at a stirring temperature of 10 to 30°C, 3 to 5 parts by weight of water are added to the evenly stirred materials, and the mixture is passed through a mixer, a filter and a pelletizing device in sequence to form pellets of uniform size;

[0048] Add water to glutinous rice flour to make a suitable paste and put it into a film-covering rotary tank, then put the prepared particles into it, so that the outer surface of the particles is covered with a layer of glutinous rice slurry film, and after processing, disperse it into a drying silo;

[0049] Put the dry non-sticky coated particles into the foaming device, and under a certain temperature and pressure, environmentally friendly foaming particles (code p) are produced.

[0050] (3) Preparation of foaming material layer:

[0051] 100 parts by mass of magnesium oxide, 105 parts by mass of magnesium sulfate solution (Baume degree is 29 degrees), 0.05 parts by mass of citric acid, 0.01 parts by mass of food ammonium carbonate, 0.01 parts by mass of sodium benzoate, 0.02 parts by mass of glucose, 0.05 parts by mass of magnesium oxysulfide modifier, 1 part by mass of waterproofing agent, and 0.5 parts by mass of foaming agent are stirred into slurry in this order; according to the ratio of 100 kg of magnesium oxide to 0.7 m 3 The environmentally friendly foaming particles p are added to the above slurry, and then stirred into a homogeneous slurry (code q). The bulk density of the homogeneous slurry is 180 kg / m 3 The fire protection grade reaches A2, the thermal conductivity is below 0.06W / (m·K), and the TOVC content is ≤0.5mg / m 3 ;

[0052] Pour the slurry q into the mold a where the preform has been placed, and solidify and form it into one piece (code a1).

[0053] (4) Preparation of reinforcement layer sheet:

[0054] Weigh 100 parts by mass of magnesium oxide, 100 parts by mass of brine (magnesium chloride aqueous solution) (25 degrees Baume), 0.01 parts by mass of citric acid, 0.01 parts by mass of food ammonium carbonate, 0.01 parts by mass of sodium benzoate, 0.02 parts by mass of glucose, 0.06 parts by mass of enhancer, and 1 part by mass of waterproofing agent, and stir to form a slurry.

[0055] The slurry is made into sheets by a flow production line, and the density of the sheets is 800kg / m 3 , which is greater than the thickness of the finished plate; then the hot pressing extrusion process is used to press the above plate thickness into the plate thickness to improve the density and strength of the plate. At this time, the plate density can reach 1600kg / m 3 Then it enters into the microwave heating device for 60 seconds of rapid heating, and then is moved to the normal temperature curing room for curing at 25°C for 8 hours to obtain a reinforced layer plate (code a2).

[0056] (5) Preparation of thermal insulation layer:

[0057] 100 parts by mass of magnesium oxide, 90 parts by mass of brine (24 degrees Baume) and 0.6 parts by mass of a reinforcing agent are prepared into a bonding slurry, and parts a1 and a2 are bonded together using the bonding slurry to obtain a thermal insulation layer (code a4).

[0058] (6) Spraying antibacterial coating:

[0059] According to the particle grading principle, 1 part by mass of 30 nanometer rare earth, 1 part by mass of 20 nanometer titanium dioxide, 3 parts by mass of 10 nanometer magnesium oxide, 0.2 parts by mass of natural deodorant, and 5 parts by mass of brine (25 degrees Baume) are mixed to prepare the coating; the coating is sprayed onto the entire surface of a4 using a spraying device, with a spraying amount of about 500g / m 2 , and dried to form an antibacterial coating to obtain an antibacterial and fireproof composite material (code-named a5).

[0060] (7) The antibacterial and fireproof composite material a5 is used to build a house, and a solar photovoltaic panel is installed on the roof of the house. The solar energy is converted into direct current and stored in a storage device. The electric fan in the house is connected and combined with an intelligent control system to control the rotation of the fan to achieve ventilation, cooling, and odor removal.

[0061] (8) Evaluation of the effect of antibacterial and fireproof composite materials:

[0062]

[0063] Example 2

[0064] (1) Preparation of foaming material layer:

[0065] The environmentally friendly foamed particles p prepared in Example 1 are directly made into foamed plates (code e).

[0066] (2) Preparation of thermal insulation layer:

[0067] Weigh 100 parts by mass of magnesium oxide, 95 parts by mass of brine, 0.6 parts by mass of a reinforcing agent, 1 part by mass of a waterproofing agent, 3 parts by mass of nano-grade medical stone, 1 part by mass of a nano-grade zeolite, 30 parts by mass of micron-grade sawdust, 1 part by mass of rubber powder, and 0.05 parts by mass of cellulose, and mix them to prepare a slurry (code b);

[0068] Lay a polyurethane film on the workbench, pour the stirred slurry b into it and spread it flat, lay a mesh cloth on the slurry b, immerse the mesh cloth in the slurry, and put the cut foam board e on top of the mesh cloth, and repeatedly wrap the foam board e with the mesh cloth and slurry, solidify and shape it, and obtain a thermal insulation board (code f); about 120kg of slurry is used, and 2 layers of mesh cloth are laid on the top and bottom, and about 0.7m 3 Repeat wrapping at least 2 times.

[0069] (3) Spraying antibacterial coating:

[0070] Use the prepared nano silver to spray on the surface of the thermal insulation board f, with a spraying amount of about 500g / m 2 , forming an antibacterial coating to obtain an antibacterial and fireproof composite material.

[0071] (4) Evaluation of the effect of antibacterial and fireproof composite materials:

[0072] Antibacterial rate Fire resistance Environmental protection Antibacterial rate ≧99% The combustion performance grade is A <![CDATA[TVOC≤0.52mg / m 3 , free formaldehyde release ≤ 0.08mg / m 3 ]]>

[0073] Example 3

[0074] (1) Preparation of foaming material layer:

[0075] Weigh 100 parts by mass of PO 52.5 cement, 45 parts by mass of water, 0.8 parts by mass of nano rare earth, 5 parts by mass of cement admixture, 1 part by mass of aerogel, 1.5 parts by mass of water reducer, and 2 parts by mass of wood cellulose, wherein the components of the cement admixture include rubber powder, cellulose, light calcium, silica fume, and fly ash, and the mass ratio of each component is 1:0.02:20:5:10, and stir the above raw materials into slurry (code g);

[0076] The environmentally friendly foamed particles p prepared in Example 1 and the slurry g were mixed at a temperature of 1.2 m 3 :100kg ratio is mixed and stirred evenly by stirring equipment, poured into a mold box of 1.2m×1.2m×1m, the mold box cover is moved hydraulically, compressed from a height of 1m to a position of 0.6m, the mold box cover is locked by self-locking method to prevent rebound, and after solidification and molding, it is cut by a band saw to obtain a foam material board (code name h).

[0077] (2) Wrapping reinforcement layer material and applying antibacterial coating:

[0078] Place the foam material plate h on the moving plate of the assembly line, spread the stirred slurry g on the upper surface of the moving plate h, and lay a layer of mesh cloth, and then apply a layer of antibacterial slurry (5 parts by mass of magnesium oxide with a particle size of 200 mesh, 1 part by mass of 30 nanometer rare earth, 1 part by mass of 20 nanometer titanium dioxide, 3 parts by mass of 10 nanometer magnesium oxide, 0.2 parts by mass of natural deodorant, 6 parts by mass of brine (25 degrees Baume), stir to make antibacterial slurry), wherein, every 3m 2 The amount of slurry g corresponding to the upper surface of the board h is 120kg, and the corresponding amount of antibacterial slurry is 6kg; after curing and molding, the other side is made to finally form a complete slurry-coated cured layer to obtain an antibacterial and fire-proof composite material.

[0079] (3) Evaluation of the effect of antibacterial and fireproof composite materials:

[0080] Antibacterial rate Fire resistance Environmental protection Antibacterial rate ≧99% The combustion performance grade is A <![CDATA[TVOC≤0.6mg / m 3 , free formaldehyde release ≤ 0.08mg / m 3 ]]>

[0081] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. An antibacterial and fireproof composite material, characterized in that: include: A thermal insulation layer and an antibacterial coating disposed on the surface of the thermal insulation layer; The thermal insulation layer comprises a foam material layer and a reinforcement layer arranged on the surface of the foam material layer, wherein the foam material layer is a foam board made directly of environmentally friendly foam particles or a composite foam board made of raw materials containing environmentally friendly foam particles and adhesive materials; The raw materials for preparing the environmentally friendly foaming particles include natural organic materials and inorganic fireproof materials.

2. The antibacterial and fireproof composite material according to claim 1, characterized in that: The reinforcing layer is a reinforcing layer plate material, and the reinforcing layer plate material and the foaming material layer are bonded and compounded.

3. The antibacterial and fireproof composite material according to claim 1, characterized in that: The reinforcement layer is coated on the surface of the foaming material layer.

4. The antibacterial and fireproof composite material according to claim 1, characterized in that: The environmentally friendly foamed particles are prepared according to the following steps: The plant fragments, the natural organic adhesive and the inorganic fireproof material are mixed and granulated to obtain a granular material; After the surface of the particle material is covered with a natural organic film, a foaming treatment is performed to obtain environmentally friendly foamed particles.

5. The antibacterial and fireproof composite material according to claim 4, characterized in that: The plant debris is one or more of straw debris, leaf debris, bark debris and root debris; The natural organic adhesive is one or more of glutinous rice, millet, wheat, starch, maltodextrin, latex powder and cellulose; The inorganic fireproof material is one or more of magnesium oxide, rare earth, titanium dioxide, medical stone, zeolite, perlite, silica fume and light calcium; The ingredients of the natural organic film include one or more of glutinous rice flour, rice flour and millet flour.

6. The antibacterial and fireproof composite material according to claim 1, characterized in that: The adhesive material used to prepare the composite foam board is a cement-based adhesive material or a magnesium-based adhesive material.

7. The antibacterial and fireproof composite material according to claim 1, characterized in that: The reinforcement layer is a cement-based material or a magnesium-based material.

8. The antibacterial and fireproof composite material according to claim 1, characterized in that: The components of the antibacterial coating include one or more of silver, rare earth, titanium dioxide, medical stone, zeolite and magnesium oxide.

9. The antibacterial and fireproof composite material according to claims 1 to 8, characterized in that: The antibacterial and fireproof composite material is provided with prefabricated parts inside, and the prefabricated parts are one or more of load-bearing structural parts, magnet structural parts, digital transmission induction parts and connecting components.

10. A method for preparing the antibacterial and fireproof composite material according to any one of claims 1 to 9, characterized in that: The process includes: The various layers of the antibacterial and fireproof composite material are compounded according to structural requirements to obtain the antibacterial and fireproof composite material.

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