CN112196214A - Double-sided composite reinforced heat-insulation decorative integrated external wall panel - Google Patents
Double-sided composite reinforced heat-insulation decorative integrated external wall panel Download PDFInfo
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- CN112196214A CN112196214A CN202011063478.0A CN202011063478A CN112196214A CN 112196214 A CN112196214 A CN 112196214A CN 202011063478 A CN202011063478 A CN 202011063478A CN 112196214 A CN112196214 A CN 112196214A
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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
- 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
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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
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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
- C04B28/06—Aluminous cements
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/34—Filling pastes
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- 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
- E04F2290/045—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire against fire
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Abstract
The invention discloses a double-sided composite reinforced heat-insulation and decoration integrated external wall panel which comprises a graphite homogeneous fireproof heat-insulation core material, wherein the graphite homogeneous fireproof heat-insulation core material is prepared from cement, silica fume, a high-efficiency complexing agent, an organic silicon water repellent, graphite EPS (expanded polystyrene) particles and active water, a plastering adhesive cement composite reinforced mesh layer is arranged on the front side of the graphite homogeneous fireproof heat-insulation core material, an adhesive composite common mesh layer is arranged on the back side of the graphite homogeneous fireproof heat-insulation core material, one ends of a plurality of back bolt connecting pieces are connected to the back side of the graphite homogeneous fireproof heat-insulation core material, and the other ends of the back bolt connecting pieces penetrate. The invention also discloses a preparation method of the double-sided composite reinforced heat-insulation and decoration integrated external wall panel. The invention has the advantages of difficult combustion, difficult falling, good connection performance, high strength and low cost.
Description
Technical Field
The invention relates to the field of external wall insulation boards, in particular to a double-sided composite reinforced insulation and decoration integrated external wall board.
Background
The external thermal insulation system of the thin-plastered external wall of the thermal insulation board is adopted in the field of external thermal insulation building construction, and the bonding and anchoring modes are combined, so that the system is low in safety factor, easy to fall off, easy to leak, incapable of being maintained and maintained, short in service life, complex and difficult to control in construction procedures, and difficult to reach the standard in quality. In 30/6 of 2020, the use of thin plaster systems, which have been specified by Shanghai to combine the bonding and anchoring means of external thermal insulation systems for external walls, is limited or prohibited. Meanwhile, a common heat-insulation and decoration integrated plate is adopted, but some heat-insulation core materials in the plate are organic materials such as an EPS plate, an XPS plate, a polyurethane plate, a phenolic resin plate and the like, the heat-insulation plate is inflammable, and the combustion performance does not meet the A-level fireproof requirement at all. Some of the plates are made of inorganic materials, such as perlite plates, rock wool plates and the like, but the plates are easy to absorb water, low in strength and not guaranteed in safety. The thin stone integrated plate has high manufacturing cost and influences popularization and use more or less.
Disclosure of Invention
The invention aims to provide a double-sided composite reinforced heat-insulation and decoration integrated external wall panel, which solves the problems of flammability and easy falling of external wall heat-insulation boards in the prior art.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a two-sided compound heat preservation decoration integration side fascia that strengthens which characterized in that: the fireproof heat-insulation graphite core material is prepared from cement, silica fume, an efficient complexing agent, graphite EPS particles, an organic silicon water repellent and active water, wherein the cement, the silica fume, the efficient complexing agent, the graphite EPS particles, the organic silicon water repellent and the active water are in parts by weight:
the front surface of the graphite homogeneous fireproof heat-insulation core material is provided with a rendering coat mortar composite reinforced net layer, and the rendering coat mortar composite reinforced net layer consists of a rendering coat mortar layer poured on the front surface of the graphite homogeneous fireproof heat-insulation core material and a reinforced alkali-resistant glass fiber mesh cloth compounded on the rendering coat mortar layer; the plastering mortar layer is a mortar layer prepared by mixing plastering mortar and water according to the weight part ratio of 3:1, and the plastering mortar is prepared by premixing cement, medium sand, redispersible rubber powder, a powdery leveling agent and a thixotropic agent material;
the back surface of the graphite homogeneous fireproof heat-insulation core material is provided with an adhesive composite common net layer, and the adhesive composite common net layer consists of an adhesive layer poured on the back surface of the graphite homogeneous fireproof heat-insulation core material and common alkali-resistant glass fiber mesh cloth compounded on the adhesive layer; the adhesive layer is a slurry layer prepared by mixing an adhesive and water according to the weight part ratio of 4:1, and the adhesive is prepared by premixing cement, medium sand, dispersible rubber powder, a flatting agent and a thixotropic agent;
the fireproof heat-insulation graphite composite wall is characterized by further comprising a plurality of back bolt connecting pieces, one end of each back bolt connecting piece is connected to the back face of the graphite homogeneous fireproof heat-insulation core material, the other end of each back bolt connecting piece penetrates out of the adhesive composite common net layer, the back bolt connecting pieces are firmly combined when the adhesive layers in the adhesive composite common net layer are solidified, and each back bolt connecting piece is connected with the outer wall keel.
A two-sided compound heat preservation of strengthening decorates integration side fascia, its characterized in that: in the graphite homogeneous fireproof heat-insulating core material, the high-efficiency complexing agent is formed by mixing nano organic bentonite, a naphthalene-based high-efficiency water reducing agent, a vegetable protein air entraining agent, a high-viscosity resin adhesive, a lithium-based curing agent and a phase-change material silicon dioxide aerogel, and the graphite homogeneous fireproof heat-insulating core material comprises the following components in parts by weight:
a two-sided compound heat preservation of strengthening decorates integration side fascia, its characterized in that: in the graphite homogeneous fireproof heat-insulating core material, the cement is PII composite portland cement.
A two-sided compound heat preservation of strengthening decorates integration side fascia, its characterized in that: in the plastering mortar composite reinforced net layer, a plastering mortar layer is a high-fluidity mortar layer prepared by mixing plastering mortar and water according to a ratio of 3:1, the plastering mortar is prepared by premixing cement, medium sand, redispersible rubber powder, a powdery leveling agent and a thixotropic agent material, and the plastering mortar comprises the following components in parts by weight:
a two-sided compound heat preservation of strengthening decorates integration side fascia, its characterized in that: in the adhesive composite common net layer, the adhesive layer is a high-fluidity slurry layer prepared by mixing an adhesive and water according to a ratio of 4:1, the adhesive is prepared by premixing cement, medium sand, dispersible rubber powder, a leveling agent and a thixotropic agent, and the adhesive comprises the following components in parts by weight:
a two-sided compound heat preservation of strengthening decorates integration side fascia, its characterized in that: the finishing coat is composed of a putty layer arranged on the exposed surface of the plastering mortar composite reinforcing mesh layer and a coating layer coated on the putty layer.
A two-sided compound heat preservation of strengthening decorates integration side fascia, its characterized in that: the putty layer consists of a component A and a component B, wherein the component A is formed by mixing high-sealing-permeability 56% cis-vinegar emulsion, nonionic surfactant, pH regulator, isothiazolinone mildew preventive and bactericide and water; the component B is prepared by mixing white ordinary portland cement, 150-sand 200 meshes, hydroxypropyl methyl cellulose and organic bentonite. The putty layer is formed by spraying the component A and the component B according to a 1:4 mechanical stirrer; wherein:
the weight portion ratio of the component A is as follows:
the weight portions of the component B are as follows:
a two-sided compound heat preservation of strengthening decorates integration side fascia, its characterized in that: the preparation process of the graphite homogeneous fireproof heat-insulation core material is as follows:
(1) putting the cement, the silica fume and the high-efficiency complexing agent into a primary stirrer according to respective parts by weight for premixing, homogenizing and stirring for 5-7 minutes at a low speed of 120 r/min; obtaining a premix;
(2) adding the active water with the corresponding weight part and the premix obtained in the step (1) into a secondary stirrer for fully stirring, and simultaneously adding an organic silicon water repellent into the secondary stirrer, wherein the stirring time is controlled to be 5-6 minutes, and the rotating speed is 800rmin, so as to obtain slurry;
(3) adding the slurry obtained in the step (3) and graphite EPS particles in corresponding parts by weight into a three-stage stirrer for stirring, wherein the stirring time is 7-9 minutes, the rotating speed is 500r/min, and the three-stage stirrer sequentially performs forward and reverse stirring, and the forward and reverse stirring time respectively accounts for half to obtain particle slurry;
(4) pouring the particle slurry obtained in the step (3) into a prefabricated mould box at a constant speed, and performing compression molding on the interior of the mould through a press to obtain a blank; the nominal pressure of the press is 8000-10000 KN, the nominal pressure stroke is 13-20 mm, the stroke of the sliding block is 600-800 mm, the air cushion force is 1500-2000 KN, the continuous stroke work of the press is 20-27 tons/m, and the compression ratio is 9: 8-9: 4;
(5) standing the mould box with the blank obtained in the step (4), wherein the standing environment temperature is controlled to be 26-30 ℃, and the standing time is 22-26 hours, so that the blank is hardened;
(6) demolding the mold box after standing in the step (5) to enable the hardened blank to be removed from the mold box, stacking the blanks and maintaining for 12-16 days in a room temperature environment;
(7) and (4) cutting the blank cured in the step (6) according to the required size, and polishing the front and back of the cut blank to obtain the graphite homogeneous fireproof heat-insulation core material.
A preparation method of a double-sided composite reinforced heat-insulation decorative integrated external wall panel is characterized by comprising the following steps: the method comprises the following steps:
(1) forming a plurality of grooves in the center of the back of the graphite homogeneous fireproof heat-insulation core material, spraying polyurethane in each groove, and drying;
(2) respectively spraying interface agents on the front surface and the back surface of the homogeneous fireproof heat-insulation graphite core material;
(3) one end of each back bolt assembly is respectively inserted into different grooves on the back of the graphite homogeneous fireproof heat-insulation core material;
(4) mixing an adhesive forming an adhesive layer in the adhesive composite common net layer with water according to a ratio of 4:1, uniformly stirring to form slurry, uniformly pouring part of the slurry on the back surface of the graphite homogeneous fireproof heat-insulation core material, paving a common alkali-resistant glass fiber net cloth forming the adhesive composite common net layer, pressing a common alkali-resistant glass fiber net cloth roller into the previously poured slurry to form a smooth grid on the back surface of the graphite homogeneous fireproof heat-insulation core material, pouring the rest slurry, curing, preparing the adhesive composite common net layer on the back surface of the graphite homogeneous fireproof heat-insulation core material, and firmly combining the back bolt component during curing;
(5) mixing the plastering slurry forming the plastering slurry layer in the plastering slurry composite reinforced mesh layer with water according to a ratio of 3:1, uniformly stirring to form slurry, uniformly pouring part of the slurry on the front surface of the graphite homogeneous fireproof heat-insulation core material, paving a reinforced alkali-resistant glass fiber mesh cloth forming the plastering slurry composite reinforced mesh layer, pressing a reinforced alkali-resistant glass fiber mesh cloth roller into the previously poured slurry to form a smooth mesh on the front surface of the graphite homogeneous fireproof heat-insulation core material, pouring the rest slurry, and curing to obtain the plastering slurry composite reinforced mesh layer on the front surface of the graphite homogeneous fireproof heat-insulation core material;
(6) fully batching high-strength high-sealing putty on the front side of the graphite homogeneous fireproof heat-insulation board with the two sides compounded to form a putty layer, polishing and cleaning the putty layer after the putty layer is dried, and spraying decorative paint to form a coating layer so as to obtain a decorative layer, thereby completing the primary preparation of the double-side compounded reinforced heat-insulation decorative integrated external wall board;
(7) and (3) maintaining the double-sided composite reinforced heat-preservation and decoration integrated external wall panel prepared in the step (6) for 3-5 days, cutting according to the design size, and spraying a penetrating seal primer on the periphery of each cut piece of external wall panel to obtain a finished product of the double-sided composite reinforced heat-preservation and decoration integrated external wall panel.
The graphite homogeneous fireproof heat-insulating core material is prepared by using graphite EPS particles as a heat-insulating base material and using silica fume, efficient complexing agent, active water and cement as main cementing materials through the processing technologies of stirring, forming, pressing, curing, demolding and the like, and is a homogeneous plate-shaped product with the functions of heat insulation (having certain shape retention capacity and no generation of molten drops in a fire state). The graphite homogeneous fireproof heat-insulating core material has low heat conductivity coefficient which is less than or equal to 0.046W/m.K, and the heat-insulating property can be completely comparable with that of a rock wool board; the grade A2 is fireproof and non-combustible, the compressive strength is more than or equal to 0.20 MPa, the tensile strength is more than or equal to 0.12 MPa, the breaking strength is more than or equal to 0.20 MPa, the volume water absorption is less than or equal to 8%, the softening coefficient is more than or equal to 0.7, the drying shrinkage rate is less than or equal to 0.3%, the upper density and the lower density of the graphite homogeneous fireproof heat-insulating core material are uniform, the maximum surface density deviation is less than or equal to 10%, the graphite homogeneous fireproof heat-insulating core material does not frost and damp, the water content is less than or equal.
In the adhesive composite common net layer, the redispersible rubber powder content of the adhesive layer reaches 2.5 percent, and the powdery leveling agent, the high-efficiency water reducing agent and the thixotropic agent are added, so that the fluidity is high, the pouring is easy, the tensile bonding strength is ultrahigh, and the bonding force with a wall body and a core material is strong; the mechanical property of the common alkali-resistant glass fiber mesh cloth reaches 160 g/square, and the alkali-resistant glass fiber mesh cloth can resist the corrosion of acid and alkali in the wall.
In the plastering slurry composite reinforced net layer, the redispersible rubber powder content of the plastering mortar layer reaches 3.5 percent, and the powdered leveling agent, the high-efficiency water reducing agent and the thixotropic agent are added, so that the plastering slurry composite reinforced net layer has high fluidity, is easy to pour, has ultrahigh tensile bonding strength and has strong bonding force with a core material and a putty layer; the mechanical property of the reinforced alkali-resistant glass fiber mesh cloth reaches 300 g/square, and the reinforced alkali-resistant glass fiber mesh cloth can resist the erosion of acid and alkali in external rain and snow.
The finishing coat comprises a putty layer and a coating layer, wherein the putty layer comprises a component A and a component B, the component A is formed by mixing high-sealing 56% cis-vinegar emulsion, nonionic surfactant, isothiazolinone mildew-proof bactericide, pH regulator and water, and the component B is formed by mixing white ordinary portland cement (42.5), 150-plus-200-mesh sand, hydroxypropyl methyl cellulose (7.5 ten thousand) and organic bentonite. The putty layer is formed by spraying the component A and the component B according to a 1:4 mechanical stirrer. The weight portion ratio of the component A is as follows:
the weight portions of the component B are as follows:
has the characteristics of high strength, high sealing and high permeability, and saves one time of sealing primer. The coating layer comprises elastic coating, texture coating, multicolor coating, sand wall coating, sand-in-sand coating and the like, wherein the sand-in-sand coating is preferred.
Compared with the prior art, the invention has the advantages that:
1. as the double-sided composite reinforced heat-preservation and decoration integrated external wall panel, the double-sided composite high-strength tensile reinforcing rib has the effect of adopting the alkali-resistant glass fiber mesh cloth, and the anti-falling effect is achieved even if the panel is cracked.
2. The heat-insulating core material is a graphite homogeneous fireproof heat-insulating core material, is non-combustible in A level, and has ultralow heat conductivity coefficient, tensile strength of more than or equal to 0.12 MPa and compressive strength of more than or equal to 0.20 MPa.
3. The graphite homogeneous fireproof heat-insulation core material disclosed by the invention is compounded on two sides, so that the super-strong performance is realized, the weight is greatly reduced, the requirements on the main body structure are reduced, the cost is reduced, the transportation is convenient and quick, and the transportation and hoisting cost is correspondingly saved.
4. The double-sided composite reinforced heat-insulation and decoration integrated external wall panel disclosed by the invention adopts a back bolt connecting piece in a construction connection mode with a main structure, has a certain deformation allowance with the main structure, and increases the anti-seismic performance.
5. The invention adopts the graphite homogeneous fireproof heat-insulation core material, reduces the cost by more than 10 percent compared with a rock wool board, reduces the cost by more than 50 percent through a thin stone integrated board, ensures that the performance meets the requirement, realizes high strength, and has considerable economical efficiency.
Drawings
FIG. 1 is a schematic diagram of the present invention.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
As shown in fig. 1, a double-sided composite reinforced insulation and decoration integrated external wall panel comprises a graphite homogeneous fireproof insulation core material 1, wherein the graphite homogeneous fireproof insulation core material 1 is prepared from cement, silica fume, a high-efficiency complexing agent, graphite EPS particles and active water, and the cement, the silica fume, the high-efficiency complexing agent, the graphite EPS particles, an organic silicon water repellent and the active water are in parts by weight:
the efficient complexing agent is prepared by mixing nano organic bentonite, a naphthalene-based efficient water reducing agent, a vegetable protein air entraining agent, a high-viscosity resin adhesive, a lithium-based curing agent and a phase-change material silicon dioxide aerogel. The weight parts of the components are as follows:
the cement is PII composite portland cement.
In the invention, the optimal weight ratio of each component for preparing the graphite homogeneous fireproof core material 1 is as follows:
the optimal weight ratio of the components of the efficient complexing agent is as follows:
the front surface of the graphite homogeneous fireproof heat-insulation core material 1 is provided with a rendering coat mortar composite reinforced net layer 2, and the rendering coat mortar composite reinforced net layer consists of a rendering coat mortar layer 2.1 poured on the front surface of the graphite homogeneous fireproof heat-insulation core material 1 and a reinforced alkali-resistant glass fiber mesh cloth 2.2 compounded on the rendering coat mortar layer 2.1; the rendering coat sizing layer is a high-fluidity sizing layer prepared by mixing rendering coat sizing and water according to a ratio of 3:1, and in the sizing layer 2, the rendering coat sizing composite reinforced net layer 2.1 is a sizing material with redispersible rubber powder content of 3-4 percent and is prepared by adding a powdery leveling agent, a high-efficiency water reducing agent and a thixotropic agent to form a high-fluidity material. The plastering mortar is prepared by premixing cement, medium sand, redispersible rubber powder, a powdery leveling agent and a thixotropic agent material, wherein the weight parts of the components are as follows:
the optimal weight ratio of each component of the plastering slurry is as follows:
the back of the homogeneous fireproof heat-insulating graphite core material 1 is provided with a compound common network layer 3 of adhesive, the compound common network layer 3 of adhesive is formed by pouring an adhesive layer 3.1 on the back of the homogeneous fireproof heat-insulating graphite core material 1 and compounding a common alkali-resistant glass fiber mesh cloth 3.2 on the adhesive layer 3.1: in the adhesive composite common net layer 3, an adhesive layer 3.1 is a sizing material with redispersible rubber powder content of 2-3 percent, and is prepared by adding a powdery leveling agent, a high-efficiency water reducing agent and a thixotropic agent to form a high-fluidity material. The adhesive layer is a high-fluidity slurry layer prepared by mixing an adhesive and water according to a ratio of 4:1, the adhesive is prepared by premixing cement, medium sand, dispersible rubber powder, a leveling agent and a thixotropic agent, and the adhesive comprises the following components in parts by weight:
the optimal weight ratio of the components of the adhesive is as follows:
still include a plurality of back of the body bolt connecting piece 4, every back of the body bolt connecting piece 4 one end is connected in the back of the homogeneous fire prevention heat preservation core material 1 of graphite, and every back of the body bolt connecting piece 4 other end is worn out from the ordinary stratum reticulare of adhesive compound 3, and makes back of the body bolt connecting piece 4 firmly combine when solidifying by adhesive layer 3.1 in the ordinary stratum reticulare of adhesive compound 3, connects the outer wall fossil fragments by each back of the body bolt connecting piece 4.
Still include finish coat 5, finish coat 5 is by criticizing the putty layer 5.1 of locating the compound enhancement stratum reticulare 2 of plaster mortar exposed surface to and coat in the dope layer 5.2 of putty layer 5.1 and constitute.
The putty layer 5.1 is composed of a component A and a component B, wherein the component A is formed by mixing high-sealing-permeability 56% cis-vinegar emulsion, nonionic surfactant, isothiazolinone mildew-proof bactericide, PH regulator and water, and the component B is formed by mixing white ordinary portland cement (42.5), 150-mesh 200-mesh sand, hydroxypropyl methyl cellulose (7.5 ten thousand) and organic bentonite. The putty layer is formed by spraying the component A and the component B according to a 1:4 mechanical stirrer. The weight portion ratio of the component A is as follows:
the weight portions of the component B are as follows:
the optimal weight ratio of the component A is as follows:
the optimal weight ratio of the component B is as follows:
in the invention, the preparation process of the graphite homogeneous fireproof heat-insulation core material is as follows:
(1) putting cement, silica fume and the efficient complexing agent into a primary stirrer according to respective parts by weight for premixing, homogenizing and stirring, wherein the stirring speed is 100-150 r/min, the stirring time is 5-7 minutes, the optimal stirring speed value is 120r/min, and the optimal stirring time value is 7 minutes, so as to obtain a premix;
(2) adding the active water and the premix obtained in the step (1) in corresponding parts by weight into a secondary stirrer for fully stirring, and simultaneously adding an organic silicon water repellent into the secondary stirrer, wherein the stirring speed is controlled to be 800-1000 r/min, the stirring time is controlled to be 5-6 minutes, the optimal value of the stirring speed is 800r/min, the optimal value of the stirring time is 6 minutes, so that slurry is obtained:
(3) adding the slurry obtained in the step (3) and graphite EPS particles in corresponding weight parts into a three-stage stirrer for stirring, wherein the stirring speed is 400-600 r/min, the stirring time is 7-9 minutes, the optimal stirring speed is 500r/min, the optimal stirring time is 8 minutes, the three-stage stirrer sequentially performs forward and reverse stirring, and the forward and reverse stirring time respectively accounts for half, namely, the forward rotation time is 4 minutes, and the reverse rotation time is 4 minutes, so that particle slurry is obtained;
(4) pouring the granular slurry obtained in the step (3) into a prefabricated mould box at a constant speed, wherein the mould box is made of stainless steel materials, and performing compression molding on the interior of the mould through a press to obtain a blank; the technological parameters such as pressure data of the press machine are as follows: the pressure of the press machine is 8000-10000 KN in terms of nominal pressure, the stroke of the nominal pressure is 13-20 mm, the stroke of the sliding block is 600-800 mm, the air cushion force is 1500-2000 KN, the continuous stroke work of the press machine is 20-27 tons/m, and the compression ratio is 9: 8-9: 4. The optimal values are: the nominal pressure of the press is 8000KN, the nominal pressure stroke is 15mm, the slide block stroke is 650mm, the air cushion force is 1800KN, the continuous stroke work of the press is 25 tons/meter, and the compression ratio is 9: 6.
(5) Standing the mould box with the blank obtained in the step (4), wherein the standing environment temperature is controlled to be 26-30 ℃, the standing time is 22-26 hours, the optimal temperature value is 28 ℃, and the optimal standing time value is 24 hours, so that the blank is hardened;
(6) demolding the mold box after standing in the step (5) to enable the hardened blank to be removed from the mold box, stacking the blanks, and maintaining for 12-16 days in a room-temperature environment, wherein the optimal value of the maintaining time is 14 days;
(7) and (4) cutting the blank cured in the step (6) according to the required size, and polishing the front and back of the cut blank to obtain the graphite homogeneous fireproof heat-insulation core material.
A preparation method of a double-sided composite reinforced heat-insulation decorative integrated external wall panel comprises the following steps:
(1) forming a plurality of grooves in the center of the back of the graphite homogeneous fireproof heat-insulation core material, spraying polyurethane in each groove, and drying;
(2) respectively spraying interface agents on the front surface and the back surface of the homogeneous fireproof heat-insulation graphite core material;
(3) one end of each back bolt assembly is respectively inserted into different grooves on the back of the graphite homogeneous fireproof heat-insulation core material;
(4) mixing an adhesive forming an adhesive layer in the adhesive composite common net layer with water according to a ratio of 4:1, uniformly stirring to form slurry, uniformly pouring part of the slurry on the back surface of the graphite homogeneous fireproof heat-insulation core material, paving a common alkali-resistant glass fiber net cloth forming the adhesive composite common net layer, pressing a common alkali-resistant glass fiber net cloth roller into the previously poured slurry to form a smooth grid on the back surface of the graphite homogeneous fireproof heat-insulation core material, pouring the rest slurry, curing, preparing the adhesive composite common net layer on the back surface of the graphite homogeneous fireproof heat-insulation core material, and firmly combining the back bolt component during curing;
(5) mixing the plastering slurry forming the plastering slurry layer in the plastering slurry composite reinforced mesh layer with water according to a ratio of 3:1, uniformly stirring to form slurry, uniformly pouring part of the slurry on the front surface of the graphite homogeneous fireproof heat-insulation core material, paving a reinforced alkali-resistant glass fiber mesh cloth forming the plastering slurry composite reinforced mesh layer, pressing a reinforced alkali-resistant glass fiber mesh cloth roller into the slurry poured previously to form a smooth mesh on the front surface of the graphite homogeneous fireproof heat-insulation core material, pouring the rest slurry, and curing to obtain the plastering slurry composite reinforced mesh layer on the front surface of the graphite homogeneous fireproof heat-insulation core material;
(6) fully batching high-strength high-sealing putty on the front side of the graphite homogeneous fireproof heat-insulation board with the two sides compounded to form a putty layer, polishing and cleaning the putty layer after the putty layer is dried, and spraying decorative paint to form a coating layer so as to obtain a decorative layer, thereby completing the primary preparation of the double-side compounded reinforced heat-insulation decorative integrated external wall board;
(7) and (3) maintaining the double-sided composite reinforced heat-preservation and decoration integrated external wall panel prepared in the step (6) for 3-5 days, cutting according to the design size, and spraying a penetrating seal primer on the periphery of each cut piece of external wall panel to obtain a finished product of the double-sided composite reinforced heat-preservation and decoration integrated external wall panel.
The embodiments of the present invention are described only for the preferred embodiments of the present invention, and not for the limitation of the concept and scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the design concept of the present invention shall fall into the protection scope of the present invention, and the technical content of the present invention which is claimed is fully set forth in the claims.
Claims (9)
1. The utility model provides a two-sided compound heat preservation decoration integration side fascia that strengthens which characterized in that: the fireproof heat-insulation graphite core material is prepared from cement, silica fume, an efficient complexing agent, graphite EPS particles, an organic silicon water repellent and active water, wherein the cement, the silica fume, the efficient complexing agent, the graphite EPS particles, the organic silicon water repellent and the active water are in parts by weight:
the front surface of the graphite homogeneous fireproof heat-insulation core material is provided with a rendering coat mortar composite reinforced net layer, and the rendering coat mortar composite reinforced net layer consists of a rendering coat mortar layer poured on the front surface of the graphite homogeneous fireproof heat-insulation core material and a reinforced alkali-resistant glass fiber mesh cloth compounded on the rendering coat mortar layer; the plastering mortar layer is a mortar layer prepared by mixing plastering mortar and water according to the weight part ratio of 3:1, and the plastering mortar is prepared by premixing cement, medium sand, redispersible rubber powder, a powdery leveling agent and a thixotropic agent material;
the back surface of the graphite homogeneous fireproof heat-insulation core material is provided with an adhesive composite common net layer, and the adhesive composite common net layer consists of an adhesive layer poured on the back surface of the graphite homogeneous fireproof heat-insulation core material and common alkali-resistant glass fiber mesh cloth compounded on the adhesive layer; the adhesive layer is a slurry layer prepared by mixing an adhesive and water according to the weight part ratio of 4:1, and the adhesive is prepared by premixing cement, medium sand, dispersible rubber powder, a flatting agent and a thixotropic agent;
the fireproof heat-insulation graphite composite wall is characterized by further comprising a plurality of back bolt connecting pieces, one end of each back bolt connecting piece is connected to the back face of the graphite homogeneous fireproof heat-insulation core material, the other end of each back bolt connecting piece penetrates out of the adhesive composite common net layer, the back bolt connecting pieces are firmly combined when the adhesive layers in the adhesive composite common net layer are solidified, and each back bolt connecting piece is connected with the outer wall keel.
2. The double-sided composite reinforced heat-insulating and decorative integrated external wall panel according to claim 1, characterized in that: in the graphite homogeneous fireproof heat-insulating core material, the high-efficiency complexing agent is formed by mixing nano organic bentonite, a naphthalene-based high-efficiency water reducing agent, a vegetable protein air entraining agent, a high-viscosity resin adhesive, a lithium-based curing agent and a phase-change material silicon dioxide aerogel, and the graphite homogeneous fireproof heat-insulating core material comprises the following components in parts by weight:
3. the double-sided composite reinforced heat-insulating and decorative integrated external wall panel according to claim 1, characterized in that: in the graphite homogeneous fireproof heat-insulating core material, the cement is PII composite portland cement.
4. The double-sided composite reinforced heat-insulating and decorative integrated external wall panel according to claim 1, characterized in that: in the plastering mortar composite reinforced net layer, a plastering mortar layer is a high-fluidity mortar layer prepared by mixing plastering mortar and water according to a ratio of 3:1, the plastering mortar is prepared by premixing cement, medium sand, redispersible rubber powder, a powdery leveling agent and a thixotropic agent material, and the plastering mortar comprises the following components in parts by weight:
5. the double-sided composite reinforced heat-insulating and decorative integrated external wall panel according to claim 1, characterized in that: in the adhesive composite common net layer, the adhesive layer is a high-fluidity slurry layer prepared by mixing an adhesive and water according to a ratio of 4:1, the adhesive is prepared by premixing cement, medium sand, dispersible rubber powder, a leveling agent and a thixotropic agent, and the adhesive comprises the following components in parts by weight:
6. the double-sided composite reinforced heat-insulating and decorative integrated external wall panel according to claim 1, characterized in that: the finishing coat is composed of a putty layer arranged on the exposed surface of the plastering mortar composite reinforcing mesh layer and a coating layer coated on the putty layer.
7. The double-sided composite reinforced heat-insulating and decorative integrated external wall panel according to claim 6, characterized in that: the putty layer consists of a component A and a component B, wherein the component A is formed by mixing high-sealing-permeability 56% cis-vinegar emulsion, nonionic surfactant, pH regulator, isothiazolinone mildew preventive and bactericide and water; the component B is formed by mixing white ordinary portland cement, 150-plus-200-mesh sand, hydroxypropyl methyl cellulose and organic bentonite; the putty layer is formed by spraying the component A and the component B according to a 1:4 mechanical stirrer; wherein:
the weight portion ratio of the component A is as follows:
the weight portions of the component B are as follows:
8. the double-sided composite reinforced heat-insulating and decorative integrated external wall panel according to claim 1, characterized in that: the preparation process of the graphite homogeneous fireproof heat-insulation core material is as follows:
(1) putting the cement, the silica fume and the high-efficiency complexing agent into a primary stirrer according to respective parts by weight for premixing, homogenizing and stirring for 5-7 minutes at a low speed of 120 r/min; obtaining a premix;
(2) adding the active water with the corresponding weight part and the premix obtained in the step (1) into a secondary stirrer for fully stirring, and simultaneously adding an organic silicon water repellent into the secondary stirrer, wherein the stirring time is controlled to be 5-6 minutes, and the rotating speed is 800rmin, so as to obtain slurry;
(3) adding the slurry obtained in the step (3) and graphite EPS particles in corresponding parts by weight into a three-stage stirrer for stirring, wherein the stirring time is 7-9 minutes, the rotating speed is 500r/min, and the three-stage stirrer sequentially performs forward and reverse stirring, and the forward and reverse stirring time respectively accounts for half to obtain particle slurry;
(4) pouring the particle slurry obtained in the step (3) into a prefabricated mould box at a constant speed, and performing compression molding on the interior of the mould through a press to obtain a blank; the nominal pressure of the press is 8000-10000 KN, the nominal pressure stroke is 13-20 mm, the stroke of the sliding block is 600-800 mm, the air cushion force is 1500-2000 KN, the continuous stroke work of the press is 20-27 tons/m, and the compression ratio is 9: 8-9: 4;
(5) standing the mould box with the blank obtained in the step (4), wherein the standing environment temperature is controlled to be 26-30 ℃, and the standing time is 22-26 hours, so that the blank is hardened;
(6) demolding the mold box after standing in the step (5) to enable the hardened blank to be removed from the mold box, stacking the blanks and maintaining for 12-16 days in a room temperature environment;
(7) and (4) cutting the blank cured in the step (6) according to the required size, and polishing the front and back of the cut blank to obtain the graphite homogeneous fireproof heat-insulation core material.
9. A preparation method of a double-sided composite reinforced heat-insulation decorative integrated external wall panel is characterized by comprising the following steps: the method comprises the following steps:
(1) forming a plurality of grooves in the center of the back of the graphite homogeneous fireproof heat-insulation core material, spraying polyurethane in each groove, and drying;
(2) respectively spraying interface agents on the front surface and the back surface of the homogeneous fireproof heat-insulation graphite core material;
(3) one end of each back bolt assembly is respectively inserted into different grooves on the back of the graphite homogeneous fireproof heat-insulation core material;
(4) mixing an adhesive forming an adhesive layer in the adhesive composite common net layer with water according to a ratio of 4:1, uniformly stirring to form slurry, uniformly pouring part of the slurry on the back surface of the graphite homogeneous fireproof heat-insulation core material, paving a common alkali-resistant glass fiber net cloth forming the adhesive composite common net layer, pressing a common alkali-resistant glass fiber net cloth roller into the previously poured slurry to form a smooth grid on the back surface of the graphite homogeneous fireproof heat-insulation core material, pouring the rest slurry, curing, preparing the adhesive composite common net layer on the back surface of the graphite homogeneous fireproof heat-insulation core material, and firmly combining the back bolt component during curing;
(5) mixing the plastering slurry forming the plastering slurry layer in the plastering slurry composite reinforced mesh layer with water according to a ratio of 3:1, uniformly stirring to form slurry, uniformly pouring part of the slurry on the front surface of the graphite homogeneous fireproof heat-insulation core material, paving a reinforced alkali-resistant glass fiber mesh cloth forming the plastering slurry composite reinforced mesh layer, pressing a reinforced alkali-resistant glass fiber mesh cloth roller into the previously poured slurry to form a smooth mesh on the front surface of the graphite homogeneous fireproof heat-insulation core material, pouring the rest slurry, and curing to obtain the plastering slurry composite reinforced mesh layer on the front surface of the graphite homogeneous fireproof heat-insulation core material;
(6) fully batching high-strength high-sealing putty on the front side of the graphite homogeneous fireproof heat-insulation board with the two sides compounded to form a putty layer, polishing and cleaning the putty layer after the putty layer is dried, and spraying decorative paint to form a coating layer so as to obtain a decorative layer, thereby completing the primary preparation of the double-side compounded reinforced heat-insulation decorative integrated external wall board;
(7) and (3) maintaining the double-sided composite reinforced heat-preservation and decoration integrated external wall panel prepared in the step (6) for 3-5 days, cutting according to the design size, and spraying a penetrating seal primer on the periphery of each cut piece of external wall panel to obtain a finished product of the double-sided composite reinforced heat-preservation and decoration integrated external wall panel.
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