CN111439970B - Double-sided composite enhanced heat-preservation heat-insulation sound-insulation material structure and preparation process thereof - Google Patents
Double-sided composite enhanced heat-preservation heat-insulation sound-insulation material structure and preparation process thereof Download PDFInfo
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- 238000009413 insulation Methods 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title claims abstract description 29
- 239000012774 insulation material Substances 0.000 title claims abstract description 26
- 239000002131 composite material Substances 0.000 title claims abstract description 24
- 238000004321 preservation Methods 0.000 title claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 62
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 37
- 239000011162 core material Substances 0.000 claims abstract description 11
- 239000011241 protective layer Substances 0.000 claims abstract description 8
- 239000002002 slurry Substances 0.000 claims description 38
- 229920002678 cellulose Polymers 0.000 claims description 37
- 239000001913 cellulose Substances 0.000 claims description 37
- 239000010881 fly ash Substances 0.000 claims description 37
- 239000000843 powder Substances 0.000 claims description 37
- 239000004568 cement Substances 0.000 claims description 29
- 229920006389 polyphenyl polymer Polymers 0.000 claims description 29
- 239000003638 chemical reducing agent Substances 0.000 claims description 25
- 239000002245 particle Substances 0.000 claims description 22
- 239000002994 raw material Substances 0.000 claims description 22
- 239000004816 latex Substances 0.000 claims description 20
- 229920000126 latex Polymers 0.000 claims description 20
- 239000012744 reinforcing agent Substances 0.000 claims description 19
- 239000011398 Portland cement Substances 0.000 claims description 18
- 239000006004 Quartz sand Substances 0.000 claims description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 18
- 229920002401 polyacrylamide Polymers 0.000 claims description 18
- 229920001971 elastomer Polymers 0.000 claims description 17
- 239000004744 fabric Substances 0.000 claims description 16
- 239000000047 product Substances 0.000 claims description 11
- 239000011265 semifinished product Substances 0.000 claims description 11
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 239000003513 alkali Substances 0.000 claims description 4
- DGVVJWXRCWCCOD-UHFFFAOYSA-N naphthalene;hydrate Chemical group O.C1=CC=CC2=CC=CC=C21 DGVVJWXRCWCCOD-UHFFFAOYSA-N 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 20
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 238000005192 partition Methods 0.000 abstract description 3
- 239000010865 sewage Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 239000008187 granular material Substances 0.000 description 7
- 239000011810 insulating material Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 239000010410 layer Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000012113 quantitative test Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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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
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/88—Insulating elements for both heat and sound
- E04B1/90—Insulating elements for both heat and sound slab-shaped
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G9/00—Forming or shuttering elements for general use
- E04G9/10—Forming or shuttering elements for general use with additional peculiarities such as surface shaping, insulating or heating, permeability to water or air
-
- 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
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00612—Uses not provided for elsewhere in C04B2111/00 as one or more layers of a layered structure
-
- 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
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Civil Engineering (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a double-sided composite enhanced heat-insulation sound-insulation material structure and a preparation process thereof. The preparation process of the double-sided composite enhanced heat-insulation sound-insulation material structure belongs to the field of one-time vertical mold pouring and forming of composite boards, disassembly-free heat-insulation templates and light partition boards, enables the heat-insulation core materials and the anti-crack mortar plastering protective layers on two sides to be cured and formed simultaneously, can improve the production efficiency by more than 3 times on the basis of the existing manufacturing process, and enables the obtained product to have stronger integrity and the compressive strength to be improved by 13 percent by adopting the preparation process. In addition, the production water in the process of preparation can be recycled, and no sewage is discharged and no environmental pollution is caused.
Description
Technical Field
The invention relates to the technical field of heat-preservation, heat-insulation and sound-insulation green building energy-saving materials, in particular to a double-sided composite heat-preservation, heat-insulation and sound-insulation green building energy-saving material structure and a preparation process thereof.
Background
The building external wall heat insulation material is concerned more and more, the organic external wall heat insulation material is easy to cause fire, and the inorganic foaming material still has more defects in the aspects of impact resistance and durability. The existing production process is that a cement-based polyphenyl granule module is produced by pressing with a mould, after the cement-based polyphenyl granule module is completely solidified, the cement-based polyphenyl granule module is cut into required sizes, then protective layers are coated on two sides of the cement-based polyphenyl granule module in two times, and finally the cement-based polyphenyl granule module is solidified and formed. The production process has the advantages of long actual production period, large required field during manufacturing, high production cost, low production efficiency and lower productivity.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a double-sided composite enhanced heat-preservation, heat-insulation and sound-insulation material structure and a preparation process thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a preparation process of a double-sided composite enhanced heat-preservation, heat-insulation and sound-insulation material structure, which comprises the following steps:
(1) coating a release agent on the inner side of the mold;
(2) laying a grid cloth, erecting a side mold, and injecting anti-crack mortar slurry;
(3) lifting and coating mortar protective layers on two sides;
(4) pouring heat-insulating core material slurry and closing a top die;
(5) maintaining the semi-finished product;
(6) and demolding to obtain the finished product.
In some embodiments of the invention, the anti-crack mortar slurry is a one-component mortar slurry.
In some embodiments of the present invention, the anti-crack mortar slurry is composed of the following raw materials in parts by weight: 250-330 parts of portland cement, 300-420 parts of quartz sand, 325-50 parts of fly ash, 3-8 parts of rubber powder, 25-35 parts of cellulose, 1-2.5 parts of polyacrylamide and water, wherein the addition amount of the water is 50-75% of the total weight of the portland cement, the quartz sand, the fly ash, the rubber powder, the cellulose and the polyacrylamide.
Preferably, the anti-crack mortar slurry consists of the following raw materials in parts by weight: 250-300 parts of portland cement, 300-400 parts of quartz sand, 30-50 parts of fly ash, 3-5 parts of rubber powder, 25-35 parts of cellulose, 1.5-2.5 parts of polyacrylamide and water, wherein the addition amount of the water is 50-75% of the total weight of the portland cement, the quartz sand, the fly ash, the rubber powder, the cellulose and the polyacrylamide.
Preferably, the anti-crack mortar slurry consists of the following raw materials in parts by weight: 250-300 parts of portland cement, 350-400 parts of quartz sand, 25-35 parts of fly ash, 3-5 parts of rubber powder, 25-30 parts of cellulose, 1-2 parts of polyacrylamide and water, wherein the addition amount of the water is 50-75% of the total weight of the portland cement, the quartz sand, the fly ash, the rubber powder, the cellulose and the polyacrylamide.
Preferably, the anti-crack mortar slurry consists of the following raw materials in parts by weight: 280-330 parts of Portland cement, 380-420 parts of quartz sand, 30-50 parts of fly ash, 3-8 parts of rubber powder, 30-35 parts of cellulose, 1-2 parts of polyacrylamide and water, wherein the addition amount of the water is 50-75% of the total weight of the Portland cement, the quartz sand, the fly ash, the rubber powder, the cellulose and the polyacrylamide.
In some embodiments of the present invention, the insulation material slurry is cement-based polyphenyl granule slurry, and is composed of the following raw materials in parts by weight: 125-170 parts of cement, 10-25 parts of polyphenyl particles, 25-50 parts of fly ash, 0.3-0.8 part of water reducing agent, 15-25 parts of cellulose, 3-8 parts of latex powder, 2-4 parts of reinforcing agent and water; the adding amount of the water is 50 to 75 percent of the total weight of the cement, the polyphenyl particles, the fly ash, the water reducing agent, the cellulose, the latex powder and the reinforcing agent.
Preferably, the heat insulation material slurry is cement-based polyphenyl particle slurry and is composed of the following raw materials in parts by weight: 130-160 parts of cement, 15-25 parts of polyphenyl particles, 30-50 parts of fly ash, 0.5-0.8 part of water reducing agent, 20-25 parts of cellulose, 3-5 parts of latex powder, 2.5-3 parts of reinforcing agent and water; the adding amount of the water is 50 to 70 percent of the total weight of the cement, the polyphenyl particles, the fly ash, the water reducing agent, the cellulose, the latex powder and the reinforcing agent.
Preferably, the heat-insulating material slurry consists of the following raw materials in parts by weight: 125-135 parts of cement, 10-15 parts of polyphenyl particles, 25-30 parts of fly ash, 0.3-0.5 part of water reducing agent, 15-18 parts of cellulose, 3-5 parts of latex powder, 2-3 parts of reinforcing agent and water; the adding amount of the water is 50 to 75 percent of the total weight of the cement, the polyphenyl particles, the fly ash, the water reducing agent, the cellulose, the latex powder and the reinforcing agent.
Preferably, the heat-insulating material slurry consists of the following raw materials in parts by weight: 150-170 parts of cement, 15-20 parts of polyphenyl particles, 25-35 parts of fly ash, 0.5-0.7 part of water reducing agent, 20-25 parts of cellulose, 6-8 parts of latex powder, 2-4 parts of reinforcing agent and water; the adding amount of the water is 50-75% of the total weight of the cement, the polyphenyl particles, the fly ash, the water reducing agent, the cellulose, the latex powder and the reinforcing agent.
In some embodiments of the invention, the water reducing agent is prepared by a naphthalene based water reducing agent.
In some embodiments of the invention, the scrim is an alkali-resistant reinforced scrim.
In some specific embodiments of the invention, the curing of the semi-finished product is performed for 5-8 hours in an environment with a temperature of 36-40 ℃.
In some specific embodiments of the invention, the semi-finished product is placed in a normal temperature environment for 1-3 hours after the constant temperature curing is completed, and then the demoulding is carried out.
The invention also provides a double-sided composite enhanced type heat-insulation sound-insulation material structure prepared by the preparation process of the double-sided composite enhanced type heat-insulation sound-insulation material structure.
The invention has the beneficial effects that: the preparation process of the double-sided composite enhanced heat-insulation sound-insulation material structure adopts one-time vertical mold pouring and forming, the main products are the disassembly-free heat-insulation composite template and the light partition board, the heat-insulation core material, the anti-crack mortar and the mesh cloth are simultaneously cured and formed by adopting one-time vertical mold pouring and forming, the production efficiency is improved by more than 3 times on the basis of the existing manufacturing process, and the production efficiency is greatly improved; the product obtained by the preparation process has stronger integrity and the compressive strength is improved by 13 percent; the wastewater generated by the preparation process is concentrated in the sedimentation tank for recycling, and the preparation process does not discharge sewage and has no environmental pollution.
Drawings
In order to more clearly illustrate the embodiments of the present invention and the old technical solutions in the prior art, the drawings needed for the embodiments or the prior art descriptions will be briefly introduced below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a flow chart of a process for preparing a double-sided composite enhanced type heat-insulation sound-insulation material structure according to the invention;
FIG. 2 is a schematic view of a side combining template in the manufacturing process of the present invention;
FIG. 3 is a front view of a mold according to one embodiment of the present invention;
FIG. 4 is a front view of a mold for laying a scrim in accordance with an embodiment of the present invention;
FIG. 5 is a schematic view of the mortar plastering lift in the preparation process of the present invention;
FIG. 6 is a schematic view of core material infusion in the manufacturing process of the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only used to more clearly illustrate the technical solutions of the present invention, and therefore, are only used as examples, and the application scope of the present invention is not limited thereby.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.
The experimental procedures in the following examples are conventional unless otherwise specified. The test materials used in the following examples were purchased from a conventional biochemical reagent store unless otherwise specified. In the quantitative tests in the following examples, three replicates were set, and the data are the mean or the mean ± standard deviation of the three replicates.
As shown in FIG. 1, the invention provides a preparation process of a double-sided composite enhanced heat-insulation sound-insulation material structure, which comprises the following steps:
(1) coating a release agent on the inner side of the mold;
(2) laying mesh cloth and erecting a side mold;
(3) injecting anti-crack mortar slurry;
(4) promoting the anti-crack mortar protective layers on the two sides of the coating;
(5) pouring heat-insulating core material slurry and closing a top die;
(6) maintaining the semi-finished product;
(7) and demolding to obtain the finished product.
In the preparation process, the mold is pretreated before being coated with the release agent: and cleaning the die to ensure that the surface of the die is neat. Subsequently, a release agent is uniformly applied to the inside of the mold using a roller. The side forms are closed and the mold is ready as shown in fig. 2-3. The mesh cloth is laid in the mould, as shown in fig. 4, the mesh cloth of the invention is reinforced alkali-resistant mesh cloth, the mesh cloth can be arranged on both sides of the anti-crack mortar layer, and a plurality of layers of mesh cloth can be arranged in the anti-crack mortar layer.
Specifically, the anti-crack mortar slurry is prepared from the following raw materials in parts by weight: 250-330 parts of portland cement, 300-420 parts of quartz sand, 325-50 parts of fly ash, 3-8 parts of rubber powder, 25-35 parts of cellulose, 1-2.5 parts of polyacrylamide and water, wherein the addition amount of the water is 50-75% of the total weight of the portland cement, the quartz sand, the fly ash, the rubber powder, the cellulose and the polyacrylamide.
And uniformly stirring all the raw materials of the anti-crack mortar, and injecting the raw materials into a non-heat-insulation core material area of the mold.
When the anti-crack mortar protective layer is coated, the mortar protective layer is coated by using special lifting equipment. The concrete operation of mortar plastering and lifting is shown in fig. 5.
Specifically, the heat insulation material slurry is cement-based polyphenyl particle slurry and comprises the following raw materials in parts by weight: 125-170 parts of cement, 10-25 parts of polyphenyl particles, 25-50 parts of fly ash, 0.3-0.8 part of water reducing agent, 15-25 parts of cellulose, 3-8 parts of latex powder, 2-4 parts of reinforcing agent and water; the adding amount of the water is 50 to 75 percent of the total weight of the cement, the polyphenyl particles, the fly ash, the water reducing agent, the cellulose, the latex powder and the reinforcing agent.
The preparation method of the heat-insulating material slurry comprises the following steps: adding water into cement, stirring uniformly, fully foaming, then adding polyphenyl granules, fly ash, a water reducing agent, cellulose, latex powder, a reinforcing agent and the like, and stirring uniformly. And (4) pouring the mixture into the heat-insulating core material area of the mold by using a conveying pump, and closing the top mold after the mixture is poured into a preset position as shown in figure 6.
And curing the finished product for 5-8 hours in an environment at 36-40 ℃. Preferably in a constant temperature curing chamber. And (5) after constant-temperature curing is finished, placing the mixture in a normal-temperature environment for 1-3 hours, and then demolding.
And (4) maintaining the demoulded finished product, specifically maintaining in a natural environment, wherein the maintenance period is 7-14 days.
Example 1
The embodiment provides a preparation process of a double-sided composite enhanced heat-preservation, heat-insulation and sound-insulation material structure, which comprises the following steps:
(1) coating a release agent on the inner side of the mold;
(2) laying mesh cloth and erecting a side mold;
(3) injecting anti-crack mortar slurry;
(4) lifting and coating mortar protective layers on two sides;
(5) pouring heat-insulating core material slurry and closing a top die;
(6) maintaining the semi-finished product;
(7) and demolding to obtain the finished product.
Further, the anti-crack mortar slurry is single-component mortar slurry.
Further, the anti-crack mortar slurry is prepared from the following raw materials in parts by weight: 250 parts of portland cement, 300 parts of quartz sand, 25 parts of fly ash, 3 parts of rubber powder, 25 parts of cellulose, 1 part of polyacrylamide and water, wherein the addition amount of the water is 50-60% of the total weight of the portland cement, the quartz sand, the fly ash, the rubber powder, the cellulose and the polyacrylamide.
Further, the heat insulation material slurry is cement-based polyphenyl particle slurry and is composed of the following raw materials in parts by weight: 130 parts of cement, 10 parts of polyphenyl particles, 25 parts of fly ash, 0.3 part of water reducing agent, 15 parts of cellulose, 3 parts of latex powder, 2 parts of reinforcing agent and water; the adding amount of the water is 50-60% of the total weight of the cement, the polyphenyl particles, the fly ash, the water reducing agent, the cellulose, the latex powder and the reinforcing agent.
Specifically, the water reducing agent is a naphthalene water reducing agent; the gridding cloth is reinforced alkali-resistant gridding cloth.
Specifically, the semi-finished product is cured for 5-8 hours in an environment at 38 ℃.
Specifically, after the constant-temperature curing of the semi-finished product is finished, the semi-finished product is placed in a normal-temperature environment for 1-3 hours, and then demolding is carried out. And (5) curing the finished product obtained by opening the mould for 7-14 days in a natural environment.
Example 2
The difference between the present example and example 1 is that the raw materials of the anti-crack mortar and the thermal insulation mortar are different.
The anti-crack mortar slurry is prepared from the following raw materials in parts by weight: 280 parts of Portland cement, 350 parts of quartz sand, 35 parts of fly ash, 5 parts of rubber powder, 30 parts of cellulose, 2 parts of polyacrylamide and water, wherein the adding amount of the water is 75 percent of the total weight of the Portland cement, the quartz sand, the fly ash, the rubber powder, the cellulose and the polyacrylamide.
The heat-insulating material slurry is prepared from the following raw materials in parts by weight: 130 parts of cement, 12 parts of polyphenyl particles, 28 parts of fly ash, 0.4 part of water reducing agent, 16 parts of cellulose, 4 parts of latex powder, 2 parts of reinforcing agent and water; the adding amount of the water is 60 percent of the total weight of the cement, the polyphenyl particles, the fly ash, the water reducing agent, the cellulose, the latex powder and the reinforcing agent.
Example 3
The difference between the present example and example 1 is that the raw materials of the anti-crack mortar and the thermal insulation mortar are different.
The anti-crack mortar slurry is prepared from the following raw materials in parts by weight: 330 parts of Portland cement, 420 parts of quartz sand, 50 parts of fly ash, 8 parts of latex powder, 35 parts of cellulose, 2 parts of polyacrylamide and water, wherein the adding amount of the water is 65 percent of the total weight of the Portland cement, the quartz sand, the fly ash, the rubber powder, the cellulose and the polyacrylamide.
The heat-insulating material slurry is prepared from the following raw materials in parts by weight: 170 parts of cement, 20 parts of polyphenyl particles, 35 parts of fly ash, 0.7 part of water reducing agent, 25 parts of cellulose, 8 parts of latex powder, 4 parts of reinforcing agent and water; the adding amount of the water is 75 percent of the total weight of the cement, the polyphenyl particles, the fly ash, the water reducing agent, the cellulose, the latex powder and the reinforcing agent.
The period of preparing the double-sided composite enhanced heat-insulation sound-insulation material structure in the embodiments 1 to 3 is 7 to 14 days.
Comparative example
And adopting the traditional production period of mould box pressing, water flow type grid cloth laying and surface coating. The production cycle is 20-25 days.
The main performance indexes of the heat preservation template obtained in the embodiment 1-3 are as follows:
| example 1 | Example 2 | Example 3 | Comparative example | |
| Coefficient of thermal conductivity (W.m)～1·k～1) | 0.075 | 0.075 | 0.075 | 0.080 |
| Compressive strength (MPa) | 0.63 | 0.63 | 0.63 | 0.50 |
| Tensile strength (MPa) | 0.17 | 0.16 | 0.16 | 0.15 |
| Fire rating | A | A | A | A |
As can be seen from the table above, the double-sided composite enhanced heat-insulation sound-insulation material structure prepared by the invention has obviously improved tensile and compressive properties compared with the structure prepared by the existing method. The preparation process of the double-sided composite enhanced heat-insulation sound-insulation material structure adopts one-time vertical mold pouring and forming, the main products are the disassembly-free heat-insulation composite template and the light partition board, the heat-insulation core material, the anti-crack mortar and the mesh cloth are simultaneously cured and formed by adopting one-time vertical mold pouring and forming, the production efficiency is improved by more than 3 times on the basis of the existing manufacturing process, and the production efficiency is greatly improved; the product obtained by the preparation process has stronger integrity and the compressive strength is improved by 13 percent; the wastewater generated by the preparation process is concentrated in the sedimentation tank for recycling, and the preparation process does not discharge sewage and has no environmental pollution.
Finally, it should be noted that: the above examples are only for illustrating the preparation technical scheme of the invention, but not for limiting the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (4)
1. A preparation process of a double-sided composite enhanced type heat-preservation, heat-insulation and sound-insulation material structure is characterized by comprising the following steps:
(1) coating a release agent on the inner side of the mold;
(2) laying a grid cloth, erecting a side mold, and injecting anti-crack mortar slurry;
(3) lifting and coating mortar protective layers on two sides;
(4) pouring heat-insulating core material slurry and closing a top die;
(5) maintaining the semi-finished product;
(6) demolding to obtain a finished product;
the anti-crack mortar slurry is single-component mortar slurry;
the anti-crack mortar slurry is prepared from the following raw materials in parts by weight: 250-330 parts of Portland cement, 300-420 parts of quartz sand, 325-50 parts of fly ash, 3-8 parts of rubber powder, 25-35 parts of cellulose, 1-2.5 parts of polyacrylamide and water, wherein the addition amount of the water is 50-75% of the total weight of the Portland cement, the quartz sand, the fly ash, the rubber powder, the cellulose and the polyacrylamide;
the heat-insulation core material slurry is cement-based polyphenyl particle slurry and is composed of the following raw materials in parts by weight: 125-170 parts of cement, 10-25 parts of polyphenyl particles, 25-50 parts of fly ash, 0.3-0.8 part of water reducing agent, 15-25 parts of cellulose, 3-8 parts of latex powder, 2-4 parts of reinforcing agent and water; the adding amount of the water is 50 to 75 percent of the total weight of the cement, the polyphenyl particles, the fly ash, the water reducing agent, the cellulose, the latex powder and the reinforcing agent;
the preparation method of the water reducing agent is a naphthalene water reducing agent;
the gridding cloth is reinforced alkali-resistant gridding cloth.
2. The preparation process of the double-sided composite enhanced heat-insulation sound-insulation material structure according to claim 1, wherein the semi-finished product is cured in an environment at 36-40 ℃ for 5-8 hours.
3. The preparation process of the double-sided composite enhanced heat-insulation sound-insulation material structure according to claim 1, wherein the semi-finished product is placed in a normal temperature environment for 1-3 hours after being maintained at a constant temperature, and then is demoulded.
4. The double-sided composite enhanced heat-insulation sound-insulation material structure prepared by the preparation process of the double-sided composite enhanced heat-insulation sound-insulation material structure according to any one of claims 1 to 3.
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