CN112780037A - Light decoration and heat preservation integrated external wall panel - Google Patents
Light decoration and heat preservation integrated external wall panel Download PDFInfo
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- CN112780037A CN112780037A CN202110108850.3A CN202110108850A CN112780037A CN 112780037 A CN112780037 A CN 112780037A CN 202110108850 A CN202110108850 A CN 202110108850A CN 112780037 A CN112780037 A CN 112780037A
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- heat
- external wall
- wall panel
- insulating layer
- foamed concrete
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
- E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
- E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
- E04F13/0875—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements having a basic insulating layer and at least one covering layer
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/40—Porous or lightweight materials
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2290/00—Specially adapted covering, lining or flooring elements not otherwise provided for
- E04F2290/04—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire
Abstract
The invention discloses a light decoration and heat preservation integrated external wallboard, and relates to the field of building wallboards. The invention comprises a poured foam concrete heat-insulating layer and an outer wall decorative surface layer; a steel wire mesh attached along the forming surface is arranged between the open slot and the convex structure; the foamed concrete heat-insulating layer is prepared from cement, ceramsite, mineral admixture, water, fiber, foaming agent, modifier and stabilizer; the outer wall decorative surface layer adopts color mortar; and a reinforcing steel bar net rack, reinforcing ribs, metal embedded parts and bearing metal hanging parts are arranged in the foamed concrete heat-insulating layer. The invention adopts the concrete pouring process, and has simple structure; the composite material has the advantages of light dead weight, small load on the structure, capability of reducing the section of the structure and the specification of an embedded part, capability of reducing part of cost, small influence on heat transfer coefficient, good sound insulation and heat insulation, good fire resistance and contribution to energy conservation and environmental protection.
Description
Technical Field
The invention belongs to the field of building wallboards, and particularly relates to a light decorative and heat-insulating integrated external wallboard.
Background
The decoration heat insulation integrated plate is bonded and simply anchored in the main construction method, and the durability and the fire resistance of the decoration heat insulation integrated plate cannot meet the use requirements of latest building external wall external heat insulation products.
Structural decoration heated board: the main structure of the concrete heat-insulating layer is composed of a common concrete structure layer of 60-100 mm and a foamed concrete heat-insulating layer of 100-150 mm, the main defect is that the self weight is large, the model of equipment needs to be increased in production, transportation and field installation, the cost is increased, and meanwhile, the load of the main structure is large, and the material and construction cost of the main structure are also increased.
Light prefabricated external wall panel: the main structure of the composite material is 30-50 mm concrete or UHPC decorative surface layer, cold-rolled light steel keel, heat-insulating cotton/foamed concrete heat-insulating filling, indoor calcium silicate board/cement mortar layer; the main problems of the method are as follows: multiple dry and wet operation steps, the production process is complex, the connection process of the light steel structure and the surface concrete is complex, no mature method exists, and a cold bridge exists; moreover, the processing cost of the light steel is high, and the cost cannot be controlled; in addition, the fixation of the light steel and the rock wool has human difference, the filling is not easy to be dense, the difference of heat transfer coefficients of different products is large, meanwhile, the rock wool is adopted for filling, the indoor living experience is poor, and the hollow feeling exists in collision and knocking, and meanwhile, the indoor heavy object suspension is not facilitated; if wet operation is adopted, such as materials of foamed concrete or thermal mortar, the joint surface between the light steel and the light steel is too large, so that the adhesive force between the light steel and the light steel is small, the light steel is easy to peel and even crack when bearing load, and meanwhile, the area of a cold bridge is greatly increased due to the large section of the light steel, and the overall thermal insulation performance of the product is influenced.
Along with the development of the building industry, the disadvantages of the traditional building exterior wall material are more and more obvious, an exterior wall heat insulation layer falls off to hurt people, and the fire disaster is caused by adopting the exterior wall heat insulation material with the fire resistance level not reaching the standard, so that the huge loss is caused to the lives and properties of people. Nowadays, the policy is more and more perfect, the standard is more and more high, and more outer wall thermal insulation materials are all banned gradually, so, ripe outer wall product must solve the drawback that above-mentioned product appears.
Disclosure of Invention
The invention provides a light decorative heat-preservation integrated external wall panel, which solves the problems.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a light decoration and heat preservation integrated external wall panel, which comprises a poured foaming concrete heat preservation layer and an external wall decoration surface layer poured outside the foaming concrete heat preservation layer;
the contact surface of the foamed concrete heat-insulating layer and the outer wall decorative surface layer is of an open groove structure which is uniformly distributed and staggered, and the contact part of the outer wall decorative surface layer and the foamed concrete heat-insulating layer is of a staggered convex structure corresponding to the open groove; a steel wire mesh attached along the forming surface is arranged between the open slot and the protruding structure;
the foamed concrete heat-insulating layer is prepared from cement, ceramsite, mineral admixture, water, fiber, foaming agent, modifier and stabilizer;
the outer wall decorative surface layer is made of color mortar, and the outer side surface is smooth and uniform.
Furthermore, a reinforcing steel bar net rack, reinforcing ribs, metal embedded parts and bearing metal hanging parts connected with the reinforcing steel bar net rack and the reinforcing ribs in the wall are arranged in the foamed concrete heat-insulating layer.
Further, the material of the foamed concrete heat-insulating layer does not contain building slag and comprises the following components in proportion:
furthermore, the material of the foamed concrete heat-insulating layer contains building slag in the following proportion:
further, the foaming agent is 1: and concentrating the foaming liquid by N times, wherein N is determined by different foaming agent types.
Further, the ceramsite has a volume weight of 300-3The ceramsite with a closed pore structure.
Further, the volume weight of the foam concrete heat-insulating layer is 700-3。
Further, the thickness of the foamed concrete heat-insulating layer is 150-250 mm.
Furthermore, the thickness of the outer wall decorative surface layer is 5-10 mm; the color mortar adopts iron oxide inorganic mineral pigment, and is prepared and adjusted according to the designed color, and the dosage of the iron oxide inorganic mineral pigment is not less than 2 percent of the mass of the cement; after the sand used by the color mortar is screened out by coarse particles, the sand particle diameter is ensured to be not more than 40-80 meshes, and the sand-cement ratio is not less than 2: 1, sand of.
Furthermore, the open slot is triangular, trapezoidal or dovetail slot, and the shape of the convex structure is correspondingly matched with the open slot.
Compared with the prior art, the invention has the following beneficial effects:
1. the product has simple structure, the outer decorative layer adopts color mortar less than 10mm, the inner insulating layer adopts foamed ceramsite concrete with the thickness of 150-250mm, the concrete pouring process is adopted, the operation is simple, and the combination of the two is better.
2. The product of the invention has light dead weight, because the inner layer heat insulation layer is made of foamed ceramsite concrete material, the ceramsite is used as light aggregate, and the common volume weight is 500kg/m plus 300-3Meanwhile, the closed pore structure of the ceramsite ensures that the water absorption of the ceramsite is smaller, the remaining volume of the concrete except the volume occupied by the ceramsite is foamed cement, the self weight of the concrete is lighter, and the volume weight of the final heat insulation layer is controlled to be 700 plus 1000kg/m3To (c) to (d); for production and transportation, the transportation capacity can be increased, the transportation cost is saved, for field construction, the model number of a crane can be reduced, the equipment machine-class cost is reduced, and meanwhile, the manual control of the installation process is realizedThe method is more convenient and the error is more controllable; moreover, the load on the structure is small, the section of the structure and the specification of the embedded part can be reduced, and part of cost can be reduced.
3. The product of the invention has good heat insulation, because the decorative surface layer is thin, the influence of the heat transfer coefficient is small, the wall body is mainly the heat insulation layer of the foaming ceramsite, the closed pore structure of the ceramsite and the porous structure of the foaming cement, the heat transfer is slow, the heat conductivity coefficient of the wall body can reach 0.13W/(m.k), and the wall body with the thickness of 200mm can meet the energy-saving requirement in hot summer and cold winter areas.
4. The product of the invention has good sound insulation performance: due to the fact that the porous structure of the heat insulation layer and the groove-shaped structure of the part, connected with the decoration layer, of the heat insulation layer can absorb or reflect sound, the sound insulation effect is good, and sound insulation quantity is larger than or equal to 50dB through test measurement.
5. The product has good fire resistance, the material characteristics of the product are non-combustible materials, and the porous structure of the product ensures that the heat transfer of two sides of a wall body is small, the fire resistance is more than or equal to 4 hours, and the requirements of all the wall body on the fire resistance limit are met.
6. The product of the invention is beneficial to energy saving and environmental protection, as the aggregate adopts the ceramsite as the light aggregate, the ceramsite belongs to an environment-friendly material and is sintered by clay or silt, and meanwhile, a certain amount of building residue soil or industrial solid waste can be added according to the actual situation, so that the solid waste is recycled, the environment protection is facilitated, the product cost is reduced, and meanwhile, unnecessary garbage discharge is reduced in the production and construction processes, thereby being green, energy-saving, low-carbon and environment-friendly.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a structural schematic view of a lightweight decoration and heat preservation integrated external wall panel of the present invention;
FIG. 2 is a structural diagram of a lightweight decoration and heat preservation integrated external wall panel node according to the present invention;
FIG. 3 is a flow chart of the production process of the lightweight decoration and heat insulation integrated external wall panel of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-a foamed concrete insulating layer, 101-an open slot, 102-a reinforcing steel bar net rack in a wall, 103-a metal embedded part, 104-a load-bearing metal pendant, 105-a steel wire mesh, 106-a reinforcing rib, 2-an outer wall decorative surface layer and 201-a convex structure.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "outside", "inside", "in-wall", and the like, indicate an orientation or positional relationship, merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the present invention.
Detailed description of the preferred embodiment 1
Referring to fig. 1-2, the lightweight decoration and insulation integrated external wall panel of the present invention includes a poured foam concrete insulation layer 1 and an external wall decorative surface layer 2 poured on the outer side of the foam concrete insulation layer 1;
the contact surface of the foamed concrete heat-insulating layer 1 and the outer wall decorative surface layer 2 is of an open groove 101 structure which is uniformly distributed and staggered, and the contact part of the outer wall decorative surface layer 2 and the foamed concrete heat-insulating layer 1 is of a convex structure 201 which is staggered and corresponding to the open groove 101; a steel wire mesh 105 attached along a forming surface is arranged between the open groove 101 and the raised structure 201;
the foamed concrete heat-insulating layer 1 is prepared from cement, ceramsite, mineral admixture, water, fiber, foaming agent, modifier and stabilizer;
the outer wall decorative surface layer 2 is made of color mortar, and the outer side surface is smooth and uniform.
Wherein, a reinforcing steel bar net rack 102, reinforcing ribs 106, metal embedded parts 103 and a bearing metal hanging part 104 which is connected with the reinforcing steel bar net rack 102 and the reinforcing ribs 106 in an overlapping way are arranged in the foam concrete heat-insulating layer 1.
Wherein, the material of the foam concrete heat-insulating layer 1 does not contain building slag and has the following proportion:
wherein, the foaming agent adopts 1: 27 times of concentrated rosin soap foaming liquid; the modifier is magnesium oxysulfate.
Wherein the ceramsite is 400kg/m in volume weight3The ceramsite with a closed pore structure.
Wherein the volume weight of the foam concrete heat-insulating layer 1 is 800kg/m3。
Wherein, the thickness of the foam concrete heat-insulating layer 1 is 200 mm.
Wherein, the thickness of the outer wall decorative surface layer 2 is 8 mm; the color mortar adopts iron oxide inorganic mineral pigment, and is prepared and adjusted according to the designed color, and the using amount is generally 4 percent of the mass of the cement; after the sand used by the color mortar is screened out by coarse particles, the particle size of the sand is 50 meshes, and the sand-cement ratio is 3: 1, sand of.
The formula of the outer wall decorative surface layer 2 comprises the following materials in parts by weight:
the opening groove 101 is trapezoidal, and the shape of the protrusion 201 is correspondingly matched with that of the opening groove 101.
Specific example 2
The difference between this embodiment and embodiment 1 is that:
wherein, the material of the foam concrete heat-insulating layer 1 contains the following building slag in proportion:
wherein, the foaming agent adopts 1: 25 times of concentrated rosin thermopolymer foaming liquid.
Wherein the ceramsite is 400kg/m in volume weight3The ceramsite with a closed pore structure.
Wherein the volume weight of the foam concrete heat-insulating layer 1 is 900kg/m3。
Wherein, the thickness of the foam concrete heat-insulating layer 1 is 200 mm.
The opening groove 101 is triangular, and the shape of the protrusion 201 is correspondingly matched with the opening groove 101.
The preparation method comprises the following steps:
as shown in FIG. 3, the production process of the lightweight decoration and heat insulation integrated external wall panel, namely the preparation method thereof, comprises the following steps: preparing and assembling a mould, and preparing and pouring concrete, wherein the concrete pouring comprises concrete pouring of a decorative layer and foamed concrete pouring, and specifically comprises the following steps of;
s1, uniformly coating a release agent on the contact surface of the mold and the slurry before casting; if special decoration texture requirements exist, a rubber mold or a polyurethane rubber film is customized according to requirements, and surface layer materials can be directly poured on the steel platform without special textures;
s2, finishing surface layer pouring, wherein the thickness of the surface layer is preferably about 5-10mm, and the surface layer thickness is ensured to be uniform; color mortar is preferably adopted on the surface layer within 10mm, coarse particles are screened out by the sand, the diameter of the sand is not more than 40-80 meshes, and the sand-cement ratio is not less than 2: 1, otherwise, cracks are easy to occur, and a mineral admixture and a water reducing agent are preferably blended; the pigment is iron oxide inorganic mineral pigment, and is prepared and adjusted according to the designed color, and the using amount of the iron oxide inorganic mineral pigment is not less than 2 percent of the mass of the cement generally; the preparation proportion of the surface layer material is as follows: 1000-1200 parts of white cement, 2500 parts of quartz sand, 600 parts of pebbles according to the surface layer effect, 400 parts of water and 6-8 parts of polycarboxylic acid series water reducing agent;
s3, before the heat-insulating layer is poured, a steel wire mesh is laid between the surface layer and the heat-insulating layer, the steel wire mesh is bent, and the bottom of the steel wire mesh is sunk into the surface layer to be larger than or equal to 1 mm;
s4, placing the prepared steel bar net rack and the prepared metal embedded parts, positioning and checking according to design requirements, and preventing deviation in the pouring process, wherein the hanging parts are welded or adopt a through hole to lead out the lap joint between the steel bars and the steel bar framework to take a construction reinforcing measure so as to prevent the nodes from cracking and damaging under the action of external force;
s5, pouring the foam concrete of the heat-insulating layer, wherein the foam concrete is poured before the surface layer is initially set, the time interval between the two layers of pouring is less than or equal to 30min, and the phenomenon of layering is avoided to reduce the adhesive force and even peel off;
s6, the raw materials of the foamed concrete mainly comprise cement, porcelain granules, mineral admixture, water, fiber yarns, foaming agent and other additives (modifier, stabilizer and the like), and the prepared bulk density is 700-1000kg/m3And the specific parameters need to be balanced and valued between the strength and the thickness according to the location of the project. Stirring: adding cement, water, additive and other auxiliary materials, and injecting the foam after 30-60 s. Stirring for about 60s, adding ceramsite, stirring for 30s, and discharging, wherein the total stirring process is 2.5-3 min. The specific time is properly adjusted according to the stirring form and the stirring amount; the stirring time of the foam concrete after adding the foam is not more than 60s in principle, the foam and the base material slurry are preferably fully mixed, then the ceramsite is added and stirred for not more than 60s, and the stability of the foam is not good due to overlong stirring time. The mixture is ensured not to have defoaming, bleeding and aggregate sinking or floating, and the slump expansion degree is preferably 450 and 500 mm; the interval time between the stirring and discharging and the pouring is not more than 20 min;
s7, the pouring process of the heat-insulating layer is not easy to vibrate so as to avoid defoaming, the heat-insulating layer can only be slightly flattened, a wooden spatula cannot be used, and repeated kneading is avoided; the corner parts are lightly and uniformly smeared and matched with the thin steel bars to be lightly inserted and tamped, and the surface is required to be strickled off 3 hours after pouring is finished so as to ensure the flatness of the inner decorative surface and ensure the quality of products;
s8, naturally curing after scraping, generally curing by covering or sprinkling, wherein the curing time is 24h, if the construction period is tight, the steam curing state can be entered when the temperature is low in winter, and the steam curing temperature is 65-75 ℃;
s9, removing the formwork, and removing the side formwork (preferably at 20 ℃) after the light wallboard is maintained for 24 hours; if steam curing is adopted, the difference between the surface temperature of the wallboard and the ambient temperature is not more than 20 ℃ during form removal; in the process of removing the mold, an iron hammer is strictly forbidden to be used for knocking, and the mold is carefully removed;
s10, hoisting, and hoisting and demolding if the compressive strength is not less than 75% of the designed strength;
s11, surface treatment: if the surface layer is provided with the veneer, the surface layer is polished; if a surface layer with decorative texture needs to be polished or colored; if the aggregate is exposed, a high-pressure water gun is needed for washing; before leaving the factory, the durable protective agent is sprayed, so that the durability of the wallboard is ensured.
Has the advantages that:
1. the product has simple structure, the outer decorative layer adopts color mortar less than 10mm, the inner insulating layer adopts foamed ceramsite concrete with the thickness of 150-250mm, the concrete pouring process is adopted, the operation is simple, and the combination of the two is better.
2. The product of the invention has light dead weight, because the inner layer heat insulation layer is made of foamed ceramsite concrete material, the ceramsite is used as light aggregate, and the common volume weight is 500kg/m plus 300-3Meanwhile, the closed pore structure of the ceramsite ensures that the water absorption of the ceramsite is smaller, the remaining volume of the concrete except the volume occupied by the ceramsite is foamed cement, the self weight of the concrete is lighter, and the volume weight of the final heat insulation layer is controlled to be 700 plus 1000kg/m3To (c) to (d); for production and transportation, the transportation capacity can be increased, the transportation cost is saved, for field construction, the model number of a crane can be reduced, the equipment machine class cost is reduced, meanwhile, the manual control in the installation process is more convenient, and the error is more controllable; furthermore, the load on the structure is small, and the structure can be reducedThe section of the structure and the specifications of the embedded part can also reduce part of the cost.
3. The product of the invention has good heat insulation performance, because the decorative surface layer is thin, the influence of the heat transfer coefficient is small, the wall body is mainly the heat insulation layer of the foaming ceramsite concrete, the closed pore structure of the ceramsite and the porous structure of the foaming cement, so that the heat transfer is slow, the heat transfer coefficient of the wall body can reach 0.13W/(m.k), and in hot summer and cold winter areas, the wall body with the thickness of 200mm can meet the energy-saving requirement.
4. The product of the invention has good sound insulation performance: due to the fact that the porous structure of the heat insulation layer and the groove-shaped structure of the part, connected with the decoration layer, of the heat insulation layer can absorb or reflect sound, the sound insulation effect is good, and sound insulation quantity is larger than or equal to 50dB through test measurement.
5. The product has good fire resistance, the material characteristics of the product are non-combustible materials, and the porous structure of the product ensures that the heat transfer of two sides of a wall body is small, the fire resistance is more than or equal to 4 hours, and the requirements of all the wall body on the fire resistance limit are met.
6. The product of the invention is beneficial to energy saving and environmental protection, as the aggregate adopts the ceramsite as the light aggregate, the ceramsite belongs to an environment-friendly material and is sintered by clay or silt, and meanwhile, a certain amount of building residue soil or industrial solid waste can be added according to the actual situation, so that the solid waste is recycled, the environment protection is facilitated, the product cost is reduced, and meanwhile, unnecessary garbage discharge is reduced in the production and construction processes, thereby being green, energy-saving, low-carbon and environment-friendly.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. The light decorative and heat-insulating integrated external wall panel is characterized by comprising a poured foamed concrete heat-insulating layer (1) and an external wall decorative surface layer (2) poured on the outer side of the foamed concrete heat-insulating layer (1);
the contact surface of the foamed concrete heat-insulating layer (1) and the outer wall decorative surface layer (2) is of an open groove (101) structure which is uniformly distributed and staggered, and the contact part of the outer wall decorative surface layer (2) and the foamed concrete heat-insulating layer (1) is of a protrusion structure (201) which is staggered and corresponding to the open groove (101); a steel wire mesh (105) attached along a forming surface is arranged between the open groove (101) and the convex structure (201);
the foamed concrete heat-insulating layer (1) is prepared from cement, ceramsite, mineral admixture, water, cellosilk, foaming agent, modifier and stabilizer;
the outer wall decorative surface layer (2) is made of color mortar, and the outer side surface is smooth and uniform.
2. The lightweight decorative thermal-insulation integrated external wall panel according to claim 1, wherein a reinforcing steel bar net rack (102), reinforcing ribs (106), metal embedded parts (103) and load-bearing metal hangers (104) connected with the reinforcing steel bar net rack (102) and the reinforcing ribs (106) in the wall are arranged in the foamed concrete thermal-insulation layer (1).
3. The light-weight decoration and heat insulation integrated external wall panel according to claim 1, wherein the foamed concrete heat insulation layer (1) is made of materials without building slag according to the following proportion:
4. the lightweight decorative heat-insulating integrated external wall panel according to claim 1, wherein the foamed concrete heat-insulating layer (1) is made of building slag in the following proportion:
5. the lightweight decorative and thermal insulation integrated external wall panel according to claim 3 or 4, wherein the foaming agent is selected from the group consisting of 1: and concentrating the foaming liquid by N times, wherein N is determined by different foaming agent types.
6. The light-weight decoration and heat insulation integrated external wall panel as claimed in claim 3 or 4, wherein the ceramsite has a volume weight of 300-3The ceramsite with a closed pore structure.
7. The lightweight decorative and thermal insulation integrated external wall panel as claimed in claim 3 or 4, wherein the volume weight of the foamed concrete thermal insulation layer (1) is 700-1000kg/m3。
8. The lightweight decoration and heat insulation integrated external wall panel as claimed in claim 1, wherein the thickness of the foamed concrete heat insulation layer (1) is 150-250 mm.
9. The light-weight decoration and heat preservation integrated external wall panel as claimed in claim 1, wherein the thickness of the external wall decoration surface layer (2) is 5-10 mm; the color mortar adopts iron oxide inorganic mineral pigment, and is prepared and adjusted according to the designed color, and the using amount of the iron oxide inorganic mineral pigment is not more than 2 percent of the mass of the cement generally; after the sand used by the color mortar is screened out by coarse particles, the sand particle diameter is ensured to be not more than 40-80 meshes, and the sand-cement ratio is not less than 2: 1, sand of.
10. The lightweight decoration and heat insulation integrated external wall panel according to claim 1, wherein the open grooves (101) are triangular, trapezoidal or dovetail-shaped, and the shape of the protrusion structures (201) is matched with the shape of the open grooves (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110108850.3A CN112780037A (en) | 2021-01-27 | 2021-01-27 | Light decoration and heat preservation integrated external wall panel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110108850.3A CN112780037A (en) | 2021-01-27 | 2021-01-27 | Light decoration and heat preservation integrated external wall panel |
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| CN112780037A true CN112780037A (en) | 2021-05-11 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114046011A (en) * | 2021-10-29 | 2022-02-15 | 浙江大东吴建筑科技有限公司 | Prefabricated bare concrete wallboard and manufacturing process |
| CN114656230A (en) * | 2022-04-15 | 2022-06-24 | 广东大禹工程技术有限公司 | Application method of energy-saving and environment-friendly material in building system |
-
2021
- 2021-01-27 CN CN202110108850.3A patent/CN112780037A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114046011A (en) * | 2021-10-29 | 2022-02-15 | 浙江大东吴建筑科技有限公司 | Prefabricated bare concrete wallboard and manufacturing process |
| CN114656230A (en) * | 2022-04-15 | 2022-06-24 | 广东大禹工程技术有限公司 | Application method of energy-saving and environment-friendly material in building system |
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