CN111827599B - Cooling luminous multifunctional composite wall coating and construction method thereof - Google Patents

Cooling luminous multifunctional composite wall coating and construction method thereof Download PDF

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Publication number
CN111827599B
CN111827599B CN202010725120.3A CN202010725120A CN111827599B CN 111827599 B CN111827599 B CN 111827599B CN 202010725120 A CN202010725120 A CN 202010725120A CN 111827599 B CN111827599 B CN 111827599B
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layer
adhering
insulating
wall body
alkali
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CN111827599A (en
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章溢威
张越军
林大坚
张万基
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Shenzhen Lucheng Decoration Design Engineering Co ltd
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Shenzhen Lucheng Decoration Design Engineering Co ltd
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00Coverings or linings, e.g. for walls or ceilings
    • E04F13/02Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only

Abstract

The application relates to a cooling luminous multifunctional composite wall coating and a construction method thereof, wherein the coating comprises a wall base layer, wherein one side of the wall base layer is sequentially provided with a leveling layer, a hard foam polyurethane heat insulation layer, a reflective substrate layer, a reflective layer, a mildew-proof antibacterial layer, a silicon dioxide gel layer and a luminous layer; the reflecting layer comprises a silver glue layer arranged on the rigid foam polyurethane heat-insulating layer, a titanium dioxide powder layer arranged on one side of the silver glue layer, which deviates from the rigid foam polyurethane heat-insulating layer, and a nano copper oxide particle layer arranged on one side of the titanium dioxide powder layer, which deviates from the silver glue layer. This application has the effect that promotes the heat insulation performance of wall body, reduces the fracture of coating.

Description

Cooling luminous multifunctional composite wall coating and construction method thereof
Technical Field
The application relates to the technical field of building construction, in particular to a cooling luminous multifunctional composite wall coating and a construction method thereof.
Background
Solar energy is a necessary condition for human survival and life, but strong radiation also brings many problems and inconveniences to industrial production and daily life. The spectrum range of the radiation of the sunlight reaching the earth is between 0.3 and 2.5 microns, wherein 5 percent of the spectrum is in the ultraviolet region, 43 percent of the spectrum is in the visible region, and 52 percent of the spectrum is in the near infrared region. The temperature in the building is raised due to the irradiation of sunlight, so that the energy consumption of the air conditioner is increased.
At present, most of the existing coatings used on the outer surface of a building are not environment-friendly, and have a large amount of radiation heat-conducting substances, after the coatings are used, the coatings which can not reflect light and heat can absorb a large amount of heat to be conducted to a wall body in a heat conduction mode, after the wall body is heated, the indoor temperature can rise, the service life of the air conditioner can be prolonged to a great extent, as is well known, Freon is added in the using process of the air conditioner, the Freon is one of substances which can destroy the atmospheric layer and is not beneficial to the protection of the environment, and after the heat absorption, the coating on the outer surface of the building can crack and peel under the condition of large temperature difference between day and night, the pollution resistance can be poor while the appearance is influenced, rainwater can be accumulated at the cracked part of the coating, so that the building surface is blackened, and the temperature insulation effect of the coating is limited, the stability of the coating is poor.
Disclosure of Invention
In order to improve the heat insulation performance of a wall body and reduce cracking of the coating, the application provides a cooling luminous multifunctional composite wall body coating and a construction method thereof.
In a first aspect, the application provides a cooling luminous multifunctional composite wall coating which adopts the following technical scheme:
a cooling luminous multifunctional composite wall coating comprises a wall base layer, wherein one side of the wall base layer is sequentially provided with a leveling layer, a hard foam polyurethane heat insulation layer, a reflective substrate layer, a reflective layer, a mildew-proof antibacterial layer, a silicon dioxide gel layer and a luminous layer; the light reflecting layer comprises a silver glue layer arranged on the light reflecting base layer, a titanium dioxide powder layer arranged on one side of the silver glue layer, which deviates from the light reflecting base layer, and a nano copper oxide particle layer arranged on one side of the titanium dioxide powder layer, which deviates from the silver glue layer.
By adopting the technical scheme, the leveling layer can make up for the defects of the wall body base layer, so that the wall body coating can obtain a relatively flat and uniform structural layer; the hard foam polyurethane heat-insulating layer has better heat-insulating and waterproof properties, so that the wall coating has better heat-insulating effect; the reflective substrate layer plays a role in adhering and supporting the light emitting layer so as to improve the overall strength of the wall coating; the reflective layer uses silver colloid, titanium dioxide and nano copper oxide particles as main light reflective fillers, and the nano copper oxide particle layer has high reflectivity to near infrared light, so that the absorption of the wall body base layer to sunlight energy can be reduced, and the reflection and heat insulation of the wall body base layer to sunlight can be realized; the titanium white powder layer is high in refractive index, high in opacity and high in covering power, most of light can be reflected when the titanium white powder layer is irradiated, the light is prevented from being directly irradiated on the wall body base layer, the temperature of the wall body base layer is increased, and meanwhile, the silver glue layer has good ultraviolet resistance and can reduce most of ultraviolet rays from entering a room after passing through the wall body coating; the mildew-proof antibacterial layer can improve the mildew-proof antibacterial capacity of the wall coating; the silica gel layer is a solid material with a three-dimensional space network structure, has the characteristics of low density, low thermal conductivity, high light transmittance, high porosity, high specific surface area and the like, has excellent performances of fire prevention, water prevention and the like, is a light, environment-friendly and functional material, can play a role in double-layer heat insulation effect on a wall coating, reduces the heat exchange inside and outside the wall and improves the heat insulation of the wall coating; the luminous layer can absorb sunlight for energy storage, and can emit light at night to play a lighting role, so that a certain lighting role is played, and energy consumption is reduced.
Preferably, the light-emitting layer comprises a glass fiber fabric layer arranged on one side of the silica gel layer, which is far away from the mildew-proof and antibacterial layer, and a rare earth fluorescent particle layer attached to one side of the glass fiber fabric layer.
By adopting the technical scheme, the glass fiber fabric layer can play a role in skeleton connection, so that the connection between the reflective layer and the nano copper oxide particle layer is more stable, and the possibility that light cannot be reflected out of the wall coating due to the blocking of the luminescent layer is reduced; the rare earth fluorescent particle layer can directly absorb ultraviolet wave bands in sunlight to store energy, and can absorb light reflected by the reflecting layer, and the two light beams are complementary, so that the sunlight is doubly absorbed.
Preferably, the leveling layer comprises a vinyl ester primer layer arranged on one side of the wall body base layer, a first alkali-resistant glass fiber grid layer arranged on one side of the vinyl ester primer layer, which deviates from the wall body base layer, a temperature-insulating coarse putty layer arranged on one side of the first alkali-resistant glass fiber grid layer, a second alkali-resistant glass fiber grid layer arranged on one side of the temperature-insulating coarse putty layer and a temperature-insulating fine and smooth sublayer arranged on the other side of the second glass fiber grid layer.
By adopting the technical scheme, the vinyl ester primer layer not only has excellent physical properties of epoxy resin, but also has the rapid hardening, simple and convenient processing and forming performance and chemical resistance of unsaturated polyester, and can show excellent corrosion resistance in most acid-base solvent environments, so that the service life of the wall coating is prolonged; the thick heat insulation putty layer and the fine heat insulation putty layer are convenient for filling the uneven surface, so that the surface is more smooth; the first alkali-resistant glass fiber grid layer and the second alkali-resistant glass fiber grid layer not only have high strength, high toughness and high alkali resistance, but also have good uniform putty permeability, are used for enhancing the overall tensile property of the terrace, preventing moisture and mildew, accelerating the water vapor emission of the terrace and improving the water resistance.
Preferably, the reflective substrate layer comprises an alkali-resistant closed primer layer arranged on one side of the hard foam polyurethane heat-insulating layer, which is far away from the leveling layer, and the alkali-resistant closed primer layer consists of alkali-resistant resin, wear-resistant filler, solvent and auxiliary agent.
By adopting the technical scheme, the alkali-resistant closed primer layer has outstanding alkali resistance, the toughness and tensile strength of the wall coating are improved, and the durability is improved.
Preferably, the reflective substrate layer further comprises an anti-corrosion layer arranged on one side of the alkali-resistant closed primer layer, which is far away from the hard-foam polyurethane heat-insulation layer, wherein the anti-corrosion layer is made of PTFE and a molten paraffin hydrophobic environment-friendly material.
Through adopting above-mentioned technical scheme, the anticorrosive coating can promote the corrosion resisting property of wall body coating to the life of extension anticorrosive coating, the anticorrosive coating adopts PTFE, the hydrophobic environmental protection material of melting paraffin makes simultaneously, has the effect of energy-concerving and environment-protective, and melting paraffin still can absorb the heat in the sunshine and radiate the absorbed heat with the form of thermal emission simultaneously, thereby makes the cooling that the wall body coating can be quick, realizes that the wall body coating is thermal-insulated to the radiation of sunshine.
Preferably, the mildew-proof antibacterial layer is formed by uniformly attaching a natural antibacterial peptide antibacterial layer.
By adopting the technical scheme, the natural antibacterial peptide antibacterial layer takes pure natural harmless materials as main antibacterial action materials, so that the damage to a human body is effectively reduced, the natural antibacterial peptide antibacterial layer has less environmental pollution and certain environment-friendly effect.
Preferably, the titanium dioxide powder layer is titanium dioxide coated by silicon dioxide and/or aluminum oxide, wherein the content of titanium dioxide is not less than 93%, and the mesh number is not less than 600 meshes.
By adopting the technical scheme, the titanium dioxide coated by the silicon dioxide and/or the aluminum oxide has the functions of reflection and diffuse reflection, so that sunlight can be emitted, the reflected sunlight can generate diffuse reflection when passing through the silicon dioxide and the aluminum oxide, light is dispersed, and light pollution caused by mirror reflection of light reflected by a pure titanium dioxide layer is avoided.
Preferably, the reflective substrate layer, the reflective layer, the mildew-proof antibacterial layer, the silicon dioxide gel layer and the light-emitting layer are provided with a plurality of expansion joints which are uniformly distributed.
Through adopting above-mentioned technical scheme, the setting of expansion joint reduces wall body coating because of the great crack or destruction that produces of the temperature difference round the clock behind construction and the wall body heat absorption, improves wall body coating's life.
In a second aspect, the application provides a construction method of a cooling luminous multifunctional composite wall coating, which adopts the following technical scheme:
a construction method of a cooling luminous multifunctional composite wall coating comprises the following steps:
s1, collecting information, and collecting GIS data information of the building wall;
s2, modeling, namely, establishing a BIM wall information model of the wall by utilizing Revit software;
s3, building a BIM three-dimensional model, and manufacturing the BIM three-dimensional model with a leveling layer, a hard foam polyurethane heat insulation layer, a reflective substrate layer, a reflective layer, a mildew-proof antibacterial layer, a silicon dioxide gel layer and a light-emitting layer;
s4, simulation analysis design, namely, leading a BIM building information model established by Revit into Navisthrocks software to carry out real-time roaming, size analysis and four-dimensional construction simulation, and checking whether the size design of a leveling layer, a hard foam polyurethane heat-insulating layer, a reflective substrate layer, a reflective layer, a mildew-proof antibacterial layer, a silicon dioxide gel layer and a luminescent layer meets the requirements or not;
s5, generating a material list, counting the material amount required by each layer of the wall coating by using the BIM software detail table function, generating the material list, and determining the site construction scheme;
s6, performing process cross-bottom, performing visual construction process cross-bottom for field constructors through animation short sheets made by Naviswerks software, and guiding construction in all directions;
s7, surface treatment of the wall base layer, namely removing dust on the surface of the wall base layer and sundries affecting the adhesion, and wetting the wall base layer by using water when the water absorption capacity of the wall base layer is large to ensure that the wall base layer is wet inside and dry outside and has no surface water;
s8, leveling the surface of the wall base layer, adhering a vinyl ester primer layer on the toilet surface of the wall base material, adhering a temperature-isolating coarse putty layer after adhering a first glass fiber grid layer on the vinyl ester primer layer, and adhering a temperature-isolating fine sublayer after adhering a second alkali-resistant glass fiber grid layer on the temperature-isolating coarse putty layer;
s9, adhering a hard foam polyurethane heat-insulating layer, adhering the hard foam polyurethane heat-insulating layer to one side of the heat-insulating fine sub-layer, which is far away from the second alkali-resistant glass fiber grid layer;
s10, adhering a reflective substrate layer; adhering a reflective substrate layer to one side of the rigid foam polyurethane heat-insulating layer, and reserving an expansion joint;
s11, adhering a reflective layer, adhering the reflective layer to one side of the reflective substrate layer, and reserving an expansion joint;
s12, adhering a mildew-proof and antibacterial layer, adhering the mildew-proof and antibacterial layer to one side of the reflective layer, and reserving an expansion joint;
s13, adhering a silicon dioxide gel layer, adhering the silicon dioxide gel layer to one side of the mildew-proof antibacterial layer, and reserving an expansion joint;
and S14, attaching the light-emitting layer to one side of the silica gel layer, and reserving the expansion joint.
By adopting the technical scheme, the BIM technology is utilized to establish the construction model, the construction simulation of the wall coating can be carried out according to different site construction environments, the optimal design scheme is determined through simulation analysis, and the material quantity required by the wall coating is determined for statistics, so that the material quantity required by the operation can be refined according to the construction part, the waste is avoided, meanwhile, the BIM technology is utilized to guide the construction in all directions, and the errors in the construction process are reduced.
To sum up, the application comprises the following beneficial technical effects:
1. the reflection and heat insulation of the wall body base layer to sunlight are realized through the reflecting layer, and the barrier and heat insulation of the wall body coating is improved through the hard foam polyurethane heat-insulating layer and the silicon dioxide aerogel layer;
2. the anti-corrosion layer is made of PTFE and a molten paraffin hydrophobic environment-friendly material, so that the anti-corrosion layer has the effects of energy conservation and environment protection, and meanwhile, the molten paraffin can absorb heat in sunlight and radiate the absorbed heat in a heat emission mode, so that the wall coating can be rapidly cooled, and the radiation heat insulation of the wall coating to the sunlight is realized;
3. the BIM technology is utilized to establish a construction model, the construction simulation of the wall coating can be carried out according to different site construction environments, the optimal design scheme is determined through simulation analysis, and the material quantity required by the wall coating is determined for statistics, so that the material quantity required by the operation can be refined according to the construction position, the waste is avoided, meanwhile, the BIM technology is utilized to guide the construction in all directions, and the errors in the construction process are reduced.
Drawings
Fig. 1 is a schematic structural diagram of the overall structure of the wall coating structure according to the present application.
FIG. 2 is a schematic process flow diagram of the wall coating construction method of the present application.
In the figure, 1, a wall substrate; 2. leveling layer; 21. a vinyl ester primer layer; 22. a first alkali-resistant fiberglass mesh layer; 23. insulating the thick putty layer; 24. a second alkali-resistant fiberglass mesh layer; 25. a heat insulating fine sublayer; 3. a hard foam polyurethane heat-insulating layer; 4. a light reflecting base layer; 41. an alkali-resistant seal primer layer; 42. an anticorrosive layer; 5. a light-reflecting layer; 51. a silver glue layer; 52. a titanium white powder layer; 53. a layer of nano-copper oxide particles; 6. a mildew-proof antibacterial layer; 7. a silica gel layer; 8. a light emitting layer; 81. a glass fiber fabric layer; 82. a rare earth phosphor layer; 9. an expansion joint.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses a cooling luminous multifunctional composite wall coating and a construction method thereof. Referring to fig. 1, the multifunctional cooling and light emitting composite wall coating comprises a wall base layer 1, wherein a leveling layer 2, a hard foam polyurethane heat insulation layer 3, a light reflecting substrate layer 4, a light reflecting layer 5, a mildew-proof antibacterial layer 6, a silicon dioxide gel layer 7 and a light emitting layer 8 are sequentially arranged on one side of the wall base layer 1. The hard foam polyurethane heat-insulating layer 3 has better heat-insulating and waterproof properties, so that the wall coating has better heat-insulating effect; the silica gel layer 7 is a solid material with a three-dimensional space network structure, has the characteristics of low density, low thermal conductivity, high light transmittance, high porosity, high specific surface area and the like, has excellent performances of fire prevention, water prevention and the like, is a light, environment-friendly and functional material, can play a role in double-layer heat insulation effect on a wall coating by being matched with the hard foam polyurethane heat insulation layer 3, reduces the heat exchange inside and outside the wall and improves the heat insulation of the wall coating; the mildew-proof antibacterial layer 6 is formed by uniformly adhering a natural antibacterial peptide antibacterial layer, and the natural antibacterial peptide antibacterial layer takes a pure natural harmless material as a main antibacterial action material, so that the damage to a human body is effectively reduced, the environmental pollution is less, and a certain environment-friendly effect is achieved.
Referring to fig. 1, the leveling layer 2 includes a vinyl ester primer layer 21 adhered to one side of the wall base layer 1, a first alkali-resistant glass fiber mesh layer 22 adhered to one side of the vinyl ester primer layer 21 away from the wall base layer 1, a temperature-insulating coarse putty layer 23 adhered to one side of the first alkali-resistant glass fiber mesh layer 22, a second alkali-resistant glass fiber mesh layer 24 adhered to one side of the temperature-insulating coarse putty layer 23, and a temperature-insulating fine and smooth sub-layer 25 adhered to the other side of the second glass fiber mesh layer. The vinyl ester primer layer 21 not only has excellent physical properties of epoxy resin, but also has the properties of rapid hardening, simple and convenient processing and forming and chemical resistance of unsaturated polyester, and can show excellent corrosion resistance in most acid-base solvent environments, so that the service life of the wall coating is prolonged; the temperature-insulating coarse putty layer 23 and the temperature-insulating fine putty layer 25 are convenient for filling up the uneven surface and enable the surface to be smoother; the first alkali-resistant glass fiber mesh layer 22 and the second alkali-resistant glass fiber mesh layer 24 have high strength, high toughness, high alkali resistance, good uniform putty permeability, and are used for enhancing the overall tensile property of the terrace, preventing moisture and mildew, accelerating the water vapor diffusion of the terrace, and improving the water resistance.
Referring to fig. 1, the reflective substrate layer 4 includes an alkali-resistant closed primer layer 41 disposed on a side of the hard foam polyurethane insulation layer 3 away from the leveling layer 2, and the alkali-resistant closed primer layer 41 is composed of alkali-resistant resin, wear-resistant filler, solvent and auxiliary agent; the alkali-resistant closed primer layer 41 has outstanding alkali resistance, so that the toughness and tensile strength of the wall coating are improved, and the durability is improved; the reflecting base layer 4 further comprises an anti-corrosion layer 42 adhered to one side, away from the hard foam polyurethane heat-insulating layer 3, of the alkali-resistant closed primer layer 41, wherein the anti-corrosion layer 42 is made of PTFE and molten paraffin hydrophobic environment-friendly materials; anticorrosive coating 42 can promote the corrosion protection performance of wall body coating to prolong anticorrosive coating 42's life, anticorrosive coating 42 adopts PTFE, the hydrophobic environmental protection material of melting paraffin to make simultaneously, has energy-concerving and environment-protective effect, and melting paraffin still can absorb the heat in the sunshine and radiate the absorbed heat with the form of thermal emission simultaneously, thereby makes the cooling that wall body coating can be quick, realizes that wall body coating is thermal-insulated to the radiation of sunshine.
Referring to fig. 1, the reflective layer 5 includes a silver glue layer 51 attached to the rigid polyurethane foam insulation layer 3, a titanium dioxide powder layer 52 attached to a side of the silver glue layer 51 away from the rigid polyurethane foam insulation layer 3, and a nano copper oxide particle layer 53 attached to a side of the titanium dioxide powder layer 52 away from the silver glue layer 51. The reflecting layer 5 uses silver colloid, titanium dioxide and nano copper oxide particles as main light reflecting fillers, and the nano copper oxide particle layer 53 has high reflectivity for near infrared light, so that the absorption of the wall body base layer 1 on sunlight energy can be reduced, and the reflection and heat insulation of the wall body base layer 1 on sunlight can be realized; the titanium white powder layer 52 is high in refractive index, high in opacity and high in covering power, most of light can be reflected when the titanium white powder layer 52 is irradiated, the light is prevented from being directly irradiated on the wall body base layer 1, the temperature of the wall body base layer 1 is increased, meanwhile, the silver glue layer 51 has good ultraviolet resistance, and most of ultraviolet rays can be reduced from entering a room through a wall body coating. The titanium dioxide powder layer is titanium dioxide coated by silicon dioxide and/or aluminum oxide, wherein the content of titanium dioxide is not less than 93%, and the mesh number is not less than 600 meshes. The titanium dioxide coated by the silicon dioxide and/or the aluminum oxide has the functions of reflection and diffuse reflection, so that sunlight can be emitted, the reflected sunlight can generate diffuse reflection when passing through the silicon dioxide and the aluminum oxide, the light is dispersed, and light pollution caused by mirror reflection of light reflected by the pure titanium dioxide layer 52 is avoided.
Referring to fig. 1, the light-emitting layer 8 includes a glass fiber fabric layer 81 adhered to one side of the silica gel layer 7 away from the mildew-proof antibacterial layer 6 and a rare earth fluorescent particle layer 82 adhered to one side of the glass fiber mesh cloth, and the glass fiber fabric layer can play a role of skeleton connection, so that the connection between the light-reflecting layer 5 and the nano copper oxide particle layer 53 is more stable, and the possibility that light cannot be reflected out of the wall coating due to the blocking of the light-emitting layer 8 is reduced; the rare earth fluorescent particle layer 82 can directly absorb ultraviolet wave bands in sunlight for energy storage and can also absorb light rays reflected by the reflecting layer 5, and the two light rays are complementary, so that the sunlight is doubly absorbed; the luminous layer 8 can absorb sunlight for energy storage, and can emit light at night to play a lighting role, so that a certain lighting role is played, and energy consumption is reduced.
Referring to fig. 1, a plurality of expansion joints 9 which are uniformly distributed penetrate through a reflective substrate layer 4, a reflective layer 5, a mildew-proof antibacterial layer 6, a silicon dioxide gel layer 7 and a luminescent layer 8; the expansion joints 9 can reduce cracks or damages of the wall coating caused by construction and large day and night temperature difference after the wall absorbs heat, and prolong the service life of the wall coating.
The application implementation also discloses a construction method of the cooling luminous multifunctional composite wall coating, and referring to fig. 2, the construction method of the cooling luminous multifunctional composite wall coating comprises the following steps:
s1, collecting information, and collecting GIS data information of the building wall;
s2, modeling, namely, establishing a BIM wall information model of the wall by utilizing Revit software;
s3, building a BIM three-dimensional model, and manufacturing the BIM three-dimensional model by using a leveling layer 2, a hard foam polyurethane heat-insulating layer 3, a reflective substrate layer 4, a reflective layer 5, a mildew-proof antibacterial layer 6, a silicon dioxide gel layer 7 and a light-emitting layer 8;
s4, simulation analysis design, namely, leading a BIM building information model established by Revit into Navisthrocks software to carry out real-time roaming, size analysis and four-dimensional construction simulation, and checking whether the size design of the leveling layer 2, the hard foam polyurethane heat-insulating layer 3, the reflective substrate layer 4, the reflective layer 5, the mildew-proof antibacterial layer 6, the silicon dioxide gel layer 7 and the luminescent layer 8 meets the requirements or not;
s5, generating a material list, counting the material amount required by each layer of the wall coating by using the BIM software detail table function, generating the material list, and determining the site construction scheme;
s6, performing process cross-bottom, performing visual construction process cross-bottom for field constructors through animation short sheets made by Naviswerks software, and guiding construction in all directions;
s7, performing surface treatment on the wall body base layer 1, removing dust on the surface of the wall body base layer 1 and sundries affecting the adhesion, and wetting the wall body base layer 1 by using water when the water absorption capacity is large to ensure that the wall body base layer is wet inside and dry outside and has no surface water;
s8, leveling the surface of the wall base layer 1, adhering a vinyl ester primer layer 21 on the toilet surface of the wall base material, adhering a temperature-insulating coarse putty layer 23 on the vinyl ester primer layer 21 after adhering a first glass fiber grid layer, and adhering a temperature-insulating fine sub-layer 25 on the temperature-insulating coarse putty layer 23 after adhering a second alkali-resistant glass fiber grid layer;
s9, adhering the hard foam polyurethane heat-insulating layer 3, and adhering the hard foam polyurethane heat-insulating layer 3 to the side of the heat-insulating fine sub-layer 25 departing from the second alkali-resistant glass fiber grid layer;
s10, adhering a reflective substrate layer 4; attaching the reflective substrate layer 4 to one side of the rigid foam polyurethane heat-insulating layer 3, and reserving an expansion joint 9;
s11, adhering the reflective layer 5 to one side of the reflective substrate layer 4, and reserving the expansion joint 9;
s12, attaching the mildew-proof antibacterial layer 6 to one side of the reflective layer 5, and reserving an expansion joint 9;
s13, adhering a silicon dioxide gel layer 7, adhering the silicon dioxide gel layer 7 to one side of the mildew-proof antibacterial layer 6, and reserving an expansion joint 9;
and S14, attaching the luminous layer 8 to one side of the silica gel layer 7, and reserving the expansion joint 9.
The implementation principle of the cooling luminous multifunctional composite wall coating and the construction method thereof in the embodiment of the application is as follows: the reflection and heat insulation of the wall body base layer 1 to sunlight are realized through the reflection layer 5, and the barrier and heat insulation of the wall body coating is improved through the hard foam polyurethane heat insulation layer 3 and the silicon dioxide aerogel layer;
the anti-corrosion layer 42 is made of PTFE and molten paraffin hydrophobic environment-friendly materials, has the functions of energy conservation and environment protection, and simultaneously the molten paraffin can absorb heat in sunlight and radiate the absorbed heat in a heat emission mode, so that the wall coating can be rapidly cooled, and the radiation heat insulation of the wall coating to the sunlight is realized;
the BIM technology is utilized to establish a construction model, the construction simulation of the wall coating can be carried out according to different site construction environments, the optimal design scheme is determined through simulation analysis, and the material quantity required by the wall coating is determined for statistics, so that the material quantity required by the operation can be refined according to the construction position, the waste is avoided, meanwhile, the BIM technology is utilized to guide the construction in all directions, and the errors in the construction process are reduced.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (2)

1. The utility model provides a luminous multi-functional composite wall body coating of cooling, includes wall body basic unit (1), its characterized in that: one side of the wall body base layer (1) is sequentially provided with a leveling layer (2), a hard foam polyurethane heat-insulating layer (3), a reflective substrate layer (4), a reflective layer (5), a mildew-proof antibacterial layer (6), a silicon dioxide gel layer (7) and a luminescent layer (8); the light reflecting layer (5) comprises a silver adhesive layer (51) arranged on the light reflecting base layer (4), a titanium white powder layer (52) arranged on one side, away from the light reflecting base layer (4), of the silver adhesive layer (51), and a nano copper oxide particle layer (53) arranged on one side, away from the silver adhesive layer (51), of the titanium white powder layer (52); the light-emitting layer (8) comprises a glass fiber fabric layer (81) arranged on one side of the silicon dioxide gel layer (7) away from the mildew-proof antibacterial layer (6) and a rare earth fluorescent particle layer (82) attached to one side of the glass fiber fabric layer (81); the leveling layer (2) comprises a vinyl ester primer layer (21) arranged on one side of the wall body base layer (1), a first alkali-resistant glass fiber grid layer (22) arranged on one side, away from the wall body base layer (1), of the vinyl ester primer layer (21), a temperature-insulating coarse putty layer (23) arranged on one side of the first alkali-resistant glass fiber grid layer (22), a second alkali-resistant glass fiber grid layer (24) arranged on one side of the temperature-insulating coarse putty layer (23), and a temperature-insulating fine sub-layer (25) arranged on the other side of the second alkali-resistant glass fiber grid layer (24); the reflecting base layer (4) comprises an alkali-resistant sealing primer layer (41) arranged on one side, away from the leveling layer (2), of the hard-foam polyurethane heat-insulating layer (3), and the alkali-resistant sealing primer layer (41) consists of alkali-resistant resin, wear-resistant filler, solvent and auxiliary agent; the reflective substrate layer (4) further comprises an anti-corrosion layer (42) arranged on one side, away from the hard-foam polyurethane heat-insulation layer (3), of the alkali-resistant closed primer layer (41), wherein the anti-corrosion layer (42) is made of PTFE and molten paraffin hydrophobic environment-friendly materials; the titanium dioxide powder layer (52) is titanium dioxide coated by silicon dioxide and/or aluminum oxide, wherein the content of titanium dioxide is not lower than 93%, and the mesh number is not lower than 600 meshes; the mildew-proof antibacterial layer (6) is formed by uniformly adhering a natural antibacterial peptide antibacterial layer; the light-reflecting substrate layer (4), the light-reflecting layer (5), the mildew-proof antibacterial layer (6), the silicon dioxide gel layer (7) and the light-emitting layer (8) are provided with a plurality of expansion joints (9) which are uniformly distributed.
2. The construction method of the cooling luminous multifunctional composite wall coating as claimed in claim 1, characterized in that: the method comprises the following steps:
s1, collecting information, and collecting GIS data information of the building wall;
s2, modeling, namely, establishing a BIM wall information model of the wall by utilizing Revit software;
s3, building a BIM three-dimensional model, and manufacturing the BIM three-dimensional model by using a leveling layer (2), a hard foam polyurethane heat-insulating layer (3), a reflective substrate layer (4), a reflective layer (5), a mildew-proof antibacterial layer (6), a silica gel layer (7) and a light-emitting layer (8);
s4, simulation analysis design, namely, leading a BIM building information model established by Revit into Navisvarks software to carry out real-time roaming, size analysis and four-dimensional construction simulation, and checking whether the size design of a leveling layer (2), a hard foam polyurethane heat-insulating layer (3), a reflective substrate layer (4), a reflective layer (5), a mildew-proof antibacterial layer (6), a silicon dioxide gel layer (7) and a luminescent layer (8) meets the requirements or not;
s5, generating a material list, counting the material amount required by each layer of the wall coating by using the BIM software detail table function, generating the material list, and determining the site construction scheme;
s6, performing process cross-bottom, performing visual construction process cross-bottom for field constructors through animation short sheets made by Naviswerks software, and guiding construction in all directions;
s7, performing surface treatment on the wall body base layer (1), removing dust on the surface of the wall body base layer (1) and sundries affecting the adhesion, and wetting the wall body base layer (1) by using water when the water absorption capacity is large to ensure that the wall body base layer is wet inside and dry outside and has no open water on the surface;
s8, leveling the surface of the wall body base layer (1), adhering a vinyl ester primer layer (21) on the surface of the wall body base material, adhering a temperature-insulating coarse putty layer (23) on the vinyl ester primer layer (21) after adhering a first glass fiber grid layer, adhering a second alkali-resistant glass fiber grid layer (24) on the temperature-insulating coarse putty layer (23), and adhering a temperature-insulating fine sub-layer (25);
s9, adhering the hard foam polyurethane heat-insulating layer (3) to the side of the heat-insulating fine sub-layer (25) departing from the second alkali-resistant glass fiber grid layer (24);
s10, adhering a reflective substrate layer (4); attaching the reflective substrate layer (4) to one side of the rigid foam polyurethane heat-insulating layer (3), and reserving an expansion joint (9);
s11, adhering a reflective layer (5), adhering the reflective layer (5) to one side of the reflective substrate layer (4), and reserving an expansion joint (9);
s12, attaching the mildew-proof and antibacterial layer (6) to one side of the reflective layer (5), and reserving an expansion joint (9);
s13, adhering a silicon dioxide gel layer (7), adhering the silicon dioxide gel layer (7) to one side of the mildew-proof antibacterial layer (6), and reserving an expansion joint (9);
and S14, attaching the light-emitting layer (8) to one side of the silica gel layer (7), and reserving the expansion joint (9).
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