CN113105191A - Preparation method for producing assembled environment-friendly energy-saving insulation board based on urban solid waste garbage - Google Patents
Preparation method for producing assembled environment-friendly energy-saving insulation board based on urban solid waste garbage Download PDFInfo
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- CN113105191A CN113105191A CN202110465998.2A CN202110465998A CN113105191A CN 113105191 A CN113105191 A CN 113105191A CN 202110465998 A CN202110465998 A CN 202110465998A CN 113105191 A CN113105191 A CN 113105191A
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- solid waste
- polyacrylamide
- cellulose acetate
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- insulation board
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- 238000009413 insulation Methods 0.000 title claims abstract description 35
- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- 239000000835 fiber Substances 0.000 claims abstract description 82
- 229920002301 cellulose acetate Polymers 0.000 claims abstract description 71
- 229920002401 polyacrylamide Polymers 0.000 claims abstract description 69
- 239000004964 aerogel Substances 0.000 claims abstract description 53
- 108010022355 Fibroins Proteins 0.000 claims abstract description 45
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 41
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 41
- 238000003756 stirring Methods 0.000 claims abstract description 39
- 239000002245 particle Substances 0.000 claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 238000002156 mixing Methods 0.000 claims abstract description 35
- 239000002910 solid waste Substances 0.000 claims abstract description 32
- 239000002131 composite material Substances 0.000 claims abstract description 27
- 239000008367 deionised water Substances 0.000 claims abstract description 24
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 24
- 229920000642 polymer Polymers 0.000 claims abstract description 19
- 239000004743 Polypropylene Substances 0.000 claims abstract description 14
- 238000011418 maintenance treatment Methods 0.000 claims abstract description 14
- 229920001155 polypropylene Polymers 0.000 claims abstract description 14
- 239000004568 cement Substances 0.000 claims abstract description 13
- 239000010881 fly ash Substances 0.000 claims abstract description 12
- -1 polypropylene Polymers 0.000 claims abstract description 12
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000001768 carboxy methyl cellulose Substances 0.000 claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 claims abstract description 11
- 229920006327 polystyrene foam Polymers 0.000 claims abstract description 11
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims abstract description 11
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims abstract description 11
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims abstract description 10
- 239000008116 calcium stearate Substances 0.000 claims abstract description 10
- 235000013539 calcium stearate Nutrition 0.000 claims abstract description 10
- 239000004088 foaming agent Substances 0.000 claims abstract description 10
- 108010082495 Dietary Plant Proteins Proteins 0.000 claims abstract description 7
- 239000002002 slurry Substances 0.000 claims abstract description 7
- 239000000243 solution Substances 0.000 claims description 54
- 238000001035 drying Methods 0.000 claims description 27
- 239000011259 mixed solution Substances 0.000 claims description 22
- 238000011282 treatment Methods 0.000 claims description 20
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 13
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 12
- 239000010410 layer Substances 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 11
- 239000007787 solid Substances 0.000 claims description 11
- 239000000839 emulsion Substances 0.000 claims description 10
- 229920000058 polyacrylate Polymers 0.000 claims description 10
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 8
- 239000004202 carbamide Substances 0.000 claims description 8
- 238000004108 freeze drying Methods 0.000 claims description 8
- 239000000843 powder Substances 0.000 claims description 8
- 238000009987 spinning Methods 0.000 claims description 8
- 239000012792 core layer Substances 0.000 claims description 7
- 239000001110 calcium chloride Substances 0.000 claims description 6
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 6
- 238000000502 dialysis Methods 0.000 claims description 6
- 238000007865 diluting Methods 0.000 claims description 6
- 239000006185 dispersion Substances 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 6
- 238000009210 therapy by ultrasound Methods 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 2
- 238000012986 modification Methods 0.000 abstract description 3
- 230000004048 modification Effects 0.000 abstract description 3
- 238000011161 development Methods 0.000 description 6
- 239000012774 insulation material Substances 0.000 description 6
- 239000004566 building material Substances 0.000 description 5
- 230000008859 change Effects 0.000 description 5
- 239000012782 phase change material Substances 0.000 description 5
- 239000010451 perlite Substances 0.000 description 4
- 235000019362 perlite Nutrition 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 3
- 108010064851 Plant Proteins Proteins 0.000 description 3
- 239000003063 flame retardant Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 235000021118 plant-derived protein Nutrition 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- QMMJWQMCMRUYTG-UHFFFAOYSA-N 1,2,4,5-tetrachloro-3-(trifluoromethyl)benzene Chemical compound FC(F)(F)C1=C(Cl)C(Cl)=CC(Cl)=C1Cl QMMJWQMCMRUYTG-UHFFFAOYSA-N 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 239000011398 Portland cement Substances 0.000 description 1
- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 239000012783 reinforcing fiber Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/14—Producing shaped prefabricated articles from the material by simple casting, the material being neither forcibly fed nor positively compacted
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/003—Methods for mixing
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/08—Addition of substances to the spinning solution or to the melt for forming hollow filaments
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/02—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from cellulose, cellulose derivatives, or proteins
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/10—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one other macromolecular compound obtained by reactions only involving carbon-to-carbon unsaturated bonds as constituent
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M10/00—Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements
- D06M10/04—Physical treatment combined with treatment with chemical compounds or elements
- D06M10/06—Inorganic compounds or elements
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M10/00—Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements
- D06M10/04—Physical treatment combined with treatment with chemical compounds or elements
- D06M10/08—Organic compounds
- D06M10/10—Macromolecular compounds
-
- 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
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
- D06M2101/08—Esters or ethers of cellulose
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/26—Polymers or copolymers of unsaturated carboxylic acids or derivatives thereof
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Ceramic Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Porous Artificial Stone Or Porous Ceramic Products (AREA)
Abstract
The invention discloses a preparation method of an assembled environment-friendly energy-saving insulation board based on urban solid waste garbage production, which comprises the following steps: mixing cement, fly ash, polypropylene fiber, polystyrene foam particles, cellulose acetate/polyacrylamide/silk fibroin/graphene oxide composite aerogel fibers and deionized water, then adding polymer modified solid waste particles, stirring uniformly, adding a vegetable protein foaming agent, sodium carboxymethylcellulose and calcium stearate, stirring and mixing, pouring the prepared slurry into a mold, carrying out constant-temperature maintenance treatment, finally demolding, and continuing natural maintenance treatment in the air to obtain the heat-insulating plate. According to the invention, cellulose acetate/polyacrylamide/silk fibroin/graphene oxide composite aerogel fibers are added into the heat-insulating board for modification, so that the obtained heat-insulating board has excellent heat-insulating property and good mechanical property. The invention also modifies and recycles the polymer after the solid waste garbage is pretreated, thereby saving the preparation cost of the insulation board.
Description
Technical Field
The invention relates to the technical field of building materials, in particular to a preparation method for producing an assembled environment-friendly and energy-saving insulation board based on urban solid waste garbage.
Background
In the current society, energy is the basis of all economic construction, directly influences the rapid development of various industries, and is indispensable motive power for national development. The development and application of new building energy-saving technologies are widely concerned at present and become a hot problem in the building field, and meanwhile, building energy conservation becomes a strategy for implementing sustainable development. The national energy-saving planning target and the important measures for reducing the emission of greenhouse gases are realized, and the global development trend is met.
Phase change materials generally refer to materials that use the phase change process of the material to absorb or emit heat to store or release energy. The energy stored or released during this phase change is called the latent heat of phase change. The phase-change material is added into a common building material by a certain process and compounded with the common building material, so that the phase-change heat-insulation building material with light weight and high latent heat can be prepared. In recent years, phase change thermal insulation materials are increasingly studied at home and abroad, and particularly, development and research on energy utilization are active. The phase-change thermal insulation material is a wall thermal insulation material which utilizes phase-change latent heat to store and release energy. The latent heat of phase change is generally much greater than the amount of heat absorbed or released when the temperature of the material itself changes.
The patent CN201810408643.8 provides a method for preparing a phase-change anti-cracking perlite heat-insulating board, which is prepared from raw materials such as expanded perlite, butyl stearate, limestone powder, phenolic resin, silica sol, polyacrylamide, sodium carboxymethylcellulose and the like, the invention adopts the traditional heat-insulating material expanded perlite and the phase-change material butyl stearate to be compounded, the limestone powder is filled through modification treatment, meanwhile, the phase-change composite material is soaked in a double solvent, through the addition of diatomite modified sol, more compact reticular silica gel is favorably formed, the flame retardant property of the heat-insulating material is further improved, and finally, the two-step sintering mode is adopted to form the heat-insulating board, the crystal grains in the later sintering period are inhibited from growing up, so that the heat-insulating board is more compact, the obtained heat-insulating board can absorb or release heat through phase state transition under the isothermal condition, the heat-insulating and energy-saving effects are achieved, the flame retardant property satisfies the real demand of people on the multifunction of the insulation board. Patent CN201310137488.8 is composed of the following components in parts by weight: 40-48 parts of expanded perlite, 5-15 parts of phenolic foam particles, 32-36 parts of inorganic binder, 2-6 parts of organic reinforcing agent, 2-3 parts of waterproof agent, 2-3 parts of inorganic reinforcing fiber, 1-2 parts of hardening agent and 1-2 parts of flame retardant. The inorganic composite insulation board is prepared by fully stirring the raw materials, performing pressure forming, drying at constant temperature and the like. As can be seen from the prior art, the thermal insulation material is mainly prepared by the phase change material or the porous thermal insulation material at present, and how to well combine the phase change material and the porous thermal insulation material with a matrix to prepare the building material with excellent performance is the key.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: aiming at the defects in the prior art, the invention provides a preparation method of an assembled environment-friendly and energy-saving insulation board based on municipal solid waste garbage production. The invention also modifies and recycles the polymer after the solid waste garbage is pretreated, thereby saving the preparation cost of the insulation board.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a preparation method for producing an assembled environment-friendly energy-saving insulation board based on urban solid waste garbage comprises the following steps:
(1) placing silk fiber in urea solution for degumming treatment, then washing, drying, placing in calcium chloride solution for dissolving treatment, finally dialyzing and purifying for 65-70h by using a dialysis bag, and diluting the dialyzed solution by using deionized water until the concentration of silk fibroin is 1.3-1.5 wt%;
(2) adding graphene oxide dispersion liquid into the silk fibroin solution prepared in the step (1), and stirring and mixing uniformly to prepare a mixed solution;
(3) dissolving polyacrylamide in N, N '-dimethylacetamide, stirring until a solid is dissolved, then adding cellulose acetate, continuously stirring to prepare a cellulose acetate/polyacrylamide solution, taking the cellulose acetate/polyacrylamide solution as a skin layer solution and water as a core layer solution, preparing hollow cellulose acetate/polyacrylamide fibers by adopting a coaxial spinning method, finally placing collected fibers in water, stirring to remove the N, N' -dimethylacetamide, then drying at-20 +/-2 ℃ for 10-15h, and then drying at-50 +/-2 ℃ for 1-2 days to prepare hollow cellulose acetate/polyacrylamide aerogel fibers;
(4) placing the prepared hollow cellulose acetate/polyacrylamide aerogel fiber into the mixed solution prepared in the step (2), performing ultrasonic treatment at normal temperature, and then performing freeze drying treatment at-50 ℃ for 1-2 days to prepare cellulose acetate/polyacrylamide/silk fibroin/graphene oxide composite aerogel fiber;
(5) mixing cement, fly ash, polypropylene fiber, polystyrene foam particles, cellulose acetate/polyacrylamide/silk fibroin/graphene oxide composite aerogel fibers and deionized water, then adding polymer modified solid waste particles, stirring uniformly, adding a vegetable protein foaming agent, sodium carboxymethylcellulose and calcium stearate, stirring and mixing, pouring the prepared slurry into a mold, carrying out constant-temperature maintenance treatment for 1d at 20 ℃, finally demolding, and continuing to carry out natural maintenance treatment for 7d in the air to obtain the heat-insulating plate.
In the step (1), the concentration of the urea solution is 7-9mol/L, the temperature during degumming is 85-95 ℃, the time is 2-4h, and the solid-to-liquid ratio is 1: (25-30).
In the step (1), the calcium chloride solution is a ternary solution of calcium chloride, ethanol and deionized water, and the molar ratio of the calcium chloride solution to the ethanol to the deionized water is 1: (1-2): 7.
in the step (1), the dissolving treatment temperature is 75-85 ℃, the time is 1-3h, and the solid-liquid ratio during treatment is 1: (15-25).
In the step (2), the concentration of the graphene oxide solution is 3.5-4.5mg/ml, and the mass ratio of graphene oxide to silk fibroin in the mixed solution is (0.01-0.015): 1.
in the step 3), the mass ratio of the polyacrylamide to the cellulose acetate is 1: (10-12).
In the step (3), the hollow cellulose acetate/polyacrylamide aerogel fiber has a diameter of 20-30 μm, an inner diameter of 8-10 μm and a length of 80-100 μm.
In the step (4), the dosage ratio of the hollow cellulose acetate/polyacrylamide aerogel fibers to the mixed solution is 1 g: (50-60) ml.
In the step (5), the preparation method of the polymer modified solid waste particles comprises the following steps: drying and crushing the solid waste into particles with the size of 2-3mm, and then mixing the dried and crushed solid waste into powder according to the mass ratio of 1: and (2) mixing the mixture with polyacrylate emulsion in the ratio of (2-5), grinding, and finally drying to obtain the polyacrylate emulsion.
In the step (5), the dosage of each component is specifically as follows by weight: 60-80 parts of cement, 50-60 parts of fly ash, 2-3 parts of polypropylene fiber, 1-2 parts of polystyrene foam particles, 3-5 parts of cellulose acetate/polyacrylamide/silk fibroin/graphene oxide composite aerogel fiber, 10-20 parts of polymer modified solid waste particles, 1-2 parts of a vegetable protein foaming agent, 0.5-1 part of sodium carboxymethylcellulose, 0.5-1 part of calcium stearate and 30-50 parts of deionized water.
Due to the adoption of the technical scheme, the invention has the beneficial effects that:
the heat-insulating board provided by the invention comprises cement, fly ash, polypropylene fiber, polystyrene foam particles, cellulose acetate/polyacrylamide/silk fibroin/graphene oxide composite aerogel fibers, polymer-modified solid waste particles, a vegetable protein foaming agent, sodium carboxymethylcellulose, calcium stearate and deionized water. Cellulose acetate/polyacrylamide/silk fibroin/graphene oxide composite aerogel fiber is a hollow cellulose acetate/polypropylene aerogel fiber as a framework, and then a layer of silk fibroin/graphene oxide aerogel is coated on the outer surface and the inner surface of the hollow cellulose acetate/polypropylene aerogel fiber to form integrated aerogel fiber, the integrated aerogel fiber has a layered porous structure, heat convection can be effectively prevented, heat conduction is reduced, heat radiation is inhibited, and therefore the integrated aerogel fiber has good heat insulation performance, the heat insulation performance of a base body can be improved by adding the integrated aerogel fiber into a heat insulation board, and the mechanical performance of the base body is also obviously improved. The invention also mixes and grinds the dried and crushed solid waste particles with polyacrylate emulsion, coats a layer of polymer on the surfaces of the solid waste particles and reapplies the polymer in the insulation board, thereby effectively saving the preparation cost of the insulation board.
In the process of preparing the heat-insulating plate, firstly, mixing a silk fibroin solution and a graphene oxide solution, and performing homogenization treatment to prepare a mixed solution; then, taking a mixed solution of cellulose acetate and polyacrylamide as a skin layer solution, taking water as a core layer solution, spinning by adopting a coaxial spinning method, and then freeze-drying to prepare the hollow cellulose acetate/polyacrylamide aerogel fiber, wherein the hollow cellulose acetate/polyacrylamide aerogel fiber has a multi-scale porous structure and is beneficial to the attachment of silk fibroin/graphene oxide; the composite aerogel fiber is added into the mixture of a silk fibroin solution and a graphene oxide solution, the mixture of the silk fibroin/the graphene oxide is attached to the outer surface and the inner surface of the hollow cellulose acetate/polyacrylamide aerogel fiber, and then freeze drying is carried out to form the cellulose acetate/polyacrylamide/silk fibroin/graphene oxide composite aerogel fiber, in the composite aerogel fiber, an aerogel layer formed by the silk fibroin and the graphene oxide has a highly porous honeycomb structure, so that air flow can be effectively limited to limit heat convection, and the composite aerogel fiber is mutually cooperated with the cellulose acetate/polyacrylamide aerogel layer with a hierarchical porous structure, so that the composite aerogel fiber has more excellent heat insulation performance. The insulation board prepared by the invention has the advantages of good insulation effect, excellent mechanical property and simple preparation method.
Detailed Description
The invention is further illustrated by the following examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
The following raw materials have the following performance parameters:
cellulose acetate: 39.8 percent of acetyl, 3.5 percent of hydroxyl and alatin.
Fly ash: level II fly ash produced by Zhenjiang jianwu power plant has an average particle size of 15-20 μm.
Cement: jiangnan-small wild field PII52.5 portland cement produced by Jiangsu Jiangnan-small wild field cement GmbH of south Jing of Jiangsu province;
polystyrene foam particles: the bulk density was 5.5kg/m3, the apparent density was 9.56kg/m3, and the particle size was 1-2 mm.
Polypropylene fiber: polypropylene Fiber (PPF) produced by Nanjing Sitaibao has the length of 6mm and the equivalent diameter of more than or equal to 15 mu m.
Polyacrylate emulsion: a solids content of 55% and was purchased from knan Xinsen source chemical Co., Ltd.
Example 1
(1) 1g of silk fiber is placed in 25g of urea solution with the concentration of 7mol/L for degumming treatment for 4h at the temperature of 85 ℃, and then washed, dried and placed in 15g of a mixture prepared by mixing calcium chloride, ethanol and deionized water according to the molar ratio of 1: 1: 7 at the temperature of 75 ℃ for 3h, finally dialyzing and purifying for 65h by using a dialysis bag, and diluting the dialyzed solution by using deionized water until the concentration of the silk fibroin is 1.3 wt%; ,
(2) adding graphene oxide dispersion liquid with the concentration of 3.5mg/ml into the silk fibroin solution prepared in the step (1), and stirring and mixing uniformly to prepare mixed liquid; the mass ratio of graphene oxide to silk fibroin in the mixed solution is 0.01: 1;
(3) dissolving 1g of polyacrylamide in 50ml of N, N '-dimethylacetamide, stirring until a solid is dissolved, then adding 10g of cellulose acetate, continuously stirring to prepare a cellulose acetate/polyacrylamide solution, taking the cellulose acetate/polyacrylamide solution as a skin layer solution and water as a core layer solution, preparing hollow cellulose acetate/polyacrylamide fibers by adopting a coaxial spinning method, finally placing the collected fibers in water, stirring to remove the N, N' -dimethylacetamide, drying at-20 +/-2 ℃ for 10 hours, and then drying at-50 +/-2 ℃ for 1 day to prepare the hollow cellulose acetate/polyacrylamide aerogel fibers with the diameter of 20 micrometers, the inner diameter of 8 micrometers and the length of 80 micrometers;
(4) placing 1g of the prepared hollow cellulose acetate/polyacrylamide aerogel fiber in 50ml of the mixed solution prepared in the step (2), performing ultrasonic treatment at normal temperature, and performing freeze drying treatment at-50 ℃ for 1 day to prepare cellulose acetate/polyacrylamide/silk fibroin/graphene oxide composite aerogel fiber;
(5) drying and crushing the solid waste into particles with the size of 2mm, and then mixing the solid waste with the powder according to a mass ratio of 1: 2, mixing and grinding the mixture with 55 percent of solid content polyacrylate emulsion, and finally drying to prepare polymer modified solid waste particles; mixing 60 parts by weight of cement, 50 parts by weight of fly ash, 2 parts by weight of polypropylene fiber, 1 part by weight of polystyrene foam particles, 3 parts by weight of cellulose acetate/polyacrylamide/silk fibroin/graphene oxide composite aerogel fiber and 30 parts by weight of deionized water, then adding 10 parts by weight of polymer modified solid waste particles, uniformly stirring, adding 1 part by weight of plant protein foaming agent, 0.5 part by weight of sodium carboxymethylcellulose and 0.5 part by weight of calcium stearate, stirring and mixing, pouring the prepared slurry into a mold, carrying out constant-temperature maintenance treatment at 20 ℃ for 1d, finally demolding, and carrying out natural maintenance treatment in the air for 7d to obtain the heat-insulating plate.
Example 2
(1) 1g of silk fiber is placed in 30g of urea solution with the concentration of 9mol/L for degumming treatment for 2h at the temperature of 95 ℃, and then the silk fiber is washed, dried and placed in 25g of a mixture prepared by mixing calcium chloride, ethanol and deionized water according to the molar ratio of 1: 2: 7 at the temperature of 85 ℃ for 3h, finally dialyzing and purifying for 70h by using a dialysis bag, and diluting the dialyzed solution by using deionized water until the concentration of the silk fibroin is 1.5 wt%; ,
(2) adding the graphene oxide dispersion liquid with the concentration of 4.5mg/ml into the silk fibroin solution prepared in the step (1), and stirring and mixing uniformly to prepare a mixed solution; the mass ratio of graphene oxide to silk fibroin in the mixed solution is 0.015: 1;
(3) dissolving 1g of polyacrylamide in 50ml of N, N '-dimethylacetamide, stirring until a solid is dissolved, then adding 12g of cellulose acetate, continuously stirring to prepare a cellulose acetate/polyacrylamide solution, taking the cellulose acetate/polyacrylamide solution as a skin layer solution and water as a core layer solution, adopting a coaxial spinning method to prepare hollow cellulose acetate/polyacrylamide fibers, finally placing the collected fibers in water, stirring to remove the N, N' -dimethylacetamide, drying at-20 +/-2 ℃ for 15 hours, and then drying at-50 +/-2 ℃ for 2 days to prepare hollow cellulose acetate/polyacrylamide aerogel fibers with the diameter of 30 micrometers, the inner diameter of 10 micrometers and the length of 100 micrometers;
(4) placing 1g of the prepared hollow cellulose acetate/polyacrylamide aerogel fiber in 60ml of the mixed solution prepared in the step (2), performing ultrasonic treatment at normal temperature, and performing freeze drying treatment at-50 ℃ for 2 days to prepare cellulose acetate/polyacrylamide/silk fibroin/graphene oxide composite aerogel fiber;
(5) drying and crushing the solid waste into particles with the size of 3mm, and then mixing the dried and crushed solid waste into powder according to the mass ratio of 1: 5, mixing and grinding the mixture with 55 percent of solid content polyacrylate emulsion, and finally drying to prepare polymer modified solid waste particles; mixing 80 parts by weight of cement, 60 parts by weight of fly ash, 3 parts by weight of polypropylene fiber, 2 parts by weight of polystyrene foam particles, 5 parts by weight of cellulose acetate/polyacrylamide/silk fibroin/graphene oxide composite aerogel fiber and 50 parts by weight of deionized water, then adding 20 parts by weight of polymer modified solid waste particles, stirring uniformly, adding 2 parts by weight of plant protein foaming agent, 1 part by weight of sodium carboxymethylcellulose and 1 part by weight of calcium stearate, stirring and mixing, pouring the prepared slurry into a mold, carrying out constant-temperature maintenance treatment at 20 ℃ for 1d, finally demolding, and continuing to carry out natural maintenance treatment in the air for 7d to obtain the heat-insulating plate.
Example 3
(1) 1g of silk fiber is placed in 25g of urea solution with the concentration of 8mol/L for degumming treatment for 3h at the temperature of 90 ℃, and then the silk fiber is washed, dried and placed in 20g of a mixed solution prepared from calcium chloride, ethanol and deionized water according to the molar ratio of 1: 2: 7 at the temperature of 80 ℃ for 2h, finally dialyzing and purifying for 65h by using a dialysis bag, and diluting the dialyzed solution by using deionized water until the concentration of the silk fibroin is 1.4 wt%; ,
(2) adding the graphene oxide dispersion liquid with the concentration of 4mg/ml into the silk fibroin solution prepared in the step (1), and stirring and mixing uniformly to prepare a mixed solution; the mass ratio of graphene oxide to silk fibroin in the mixed solution is 0.012: 1;
(3) dissolving 1g of polyacrylamide in 50ml of N, N '-dimethylacetamide, stirring until a solid is dissolved, adding 11g of cellulose acetate, continuously stirring to prepare a cellulose acetate/polyacrylamide solution, taking the cellulose acetate/polyacrylamide solution as a skin layer solution and water as a core layer solution, preparing hollow cellulose acetate/polyacrylamide fibers by adopting a coaxial spinning method, finally placing the collected fibers in water, stirring to remove the N, N' -dimethylacetamide, drying at-20 +/-2 ℃ for 12 hours, and then drying at-50 +/-2 ℃ for 2 days to prepare the hollow cellulose acetate/polyacrylamide aerogel fibers with the diameter of 25 micrometers, the inner diameter of 10 micrometers and the length of 90 micrometers;
(4) placing 1g of the prepared hollow cellulose acetate/polyacrylamide aerogel fiber in 55ml of the mixed solution prepared in the step (2), performing ultrasonic treatment at normal temperature, and performing freeze drying treatment at-50 ℃ for 2 days to prepare cellulose acetate/polyacrylamide/silk fibroin/graphene oxide composite aerogel fiber;
(5) drying and crushing the solid waste into particles with the size of 2mm, and then mixing the solid waste with the powder according to a mass ratio of 1: 3, mixing and grinding the mixture with 55 percent of solid content polyacrylate emulsion, and finally drying to prepare polymer modified solid waste particles; according to parts by weight, 70 parts of cement, 55 parts of fly ash, 2 parts of polypropylene fiber, 1 part of polystyrene foam particles, 4 parts of cellulose acetate/polyacrylamide/silk fibroin/graphene oxide composite aerogel fiber and 40 parts of deionized water are mixed, then 15 parts of polymer modified solid waste particles are added, 1 part of vegetable protein foaming agent, 1 part of sodium carboxymethylcellulose and 0.5 part of calcium stearate are added after uniform stirring, stirring and mixing are carried out, the prepared slurry is poured into a mold, constant-temperature maintenance treatment is carried out for 1d at 20 ℃, finally demolding is carried out, and natural maintenance treatment is carried out for 7d in the air continuously, so that the heat-insulating plate is obtained.
Example 4
(1) 1g of silk fiber is placed in 30g of urea solution with the concentration of 8mol/L for degumming treatment for 3h at the temperature of 90 ℃, and then washed, dried and placed in 15g of a mixture prepared by mixing calcium chloride, ethanol and deionized water according to the molar ratio of 1: 1: 7 at the temperature of 80 ℃ for 2h, finally dialyzing and purifying for 65h by using a dialysis bag, and diluting the dialyzed solution by using deionized water until the concentration of the silk fibroin is 1.5 wt%; ,
(2) adding the graphene oxide dispersion liquid with the concentration of 4mg/ml into the silk fibroin solution prepared in the step (1), and stirring and mixing uniformly to prepare a mixed solution; the mass ratio of graphene oxide to silk fibroin in the mixed solution is 0.014: 1;
(3) dissolving 1g of polyacrylamide in 50ml of N, N '-dimethylacetamide, stirring until a solid is dissolved, adding 11g of cellulose acetate, continuously stirring to prepare a cellulose acetate/polyacrylamide solution, taking the cellulose acetate/polyacrylamide solution as a skin layer solution and water as a core layer solution, preparing hollow cellulose acetate/polyacrylamide fibers by adopting a coaxial spinning method, finally placing the collected fibers in water, stirring to remove the N, N' -dimethylacetamide, drying at-20 +/-2 ℃ for 13 hours, and then drying at-50 +/-2 ℃ for 1 day to prepare hollow cellulose acetate/polyacrylamide aerogel fibers with the diameter of 20 micrometers, the inner diameter of 9 micrometers and the length of 80 micrometers;
(4) placing 1g of the prepared hollow cellulose acetate/polyacrylamide aerogel fiber in 50ml of the mixed solution prepared in the step (2), performing ultrasonic treatment at normal temperature, and performing freeze drying treatment at-50 ℃ for 2 days to prepare cellulose acetate/polyacrylamide/silk fibroin/graphene oxide composite aerogel fiber;
(5) drying and crushing the solid waste into particles with the size of 2-3mm, and then mixing the dried and crushed solid waste into powder according to the mass ratio of 1: 4, mixing and grinding the mixture with 55 percent of solid content polyacrylate emulsion, and finally drying to prepare polymer modified solid waste particles; mixing 75 parts by weight of cement, 50 parts by weight of fly ash, 3 parts by weight of polypropylene fiber, 2 parts by weight of polystyrene foam particles, 4 parts by weight of cellulose acetate/polyacrylamide/silk fibroin/graphene oxide composite aerogel fiber and 45 parts by weight of deionized water, then adding 15 parts by weight of polymer modified solid waste particles, stirring uniformly, adding 2 parts by weight of plant protein foaming agent, 1 part by weight of sodium carboxymethylcellulose and 1 part by weight of calcium stearate, stirring and mixing, pouring the prepared slurry into a mold, carrying out constant-temperature maintenance treatment at 20 ℃ for 1d, finally demolding, and continuing to carry out natural maintenance treatment in the air for 7d to obtain the heat-insulating plate.
Comparative example
Cellulose acetate/polyacrylamide/silk fibroin/graphene oxide composite aerogel fibers are not added into the heat-insulating board, and other processes are the same as those in embodiment 4.
The insulation boards prepared according to the above embodiments and comparative examples were tested according to JC/T2200-2013 Cement-based foam insulation board, and the test results are shown in Table 1:
TABLE 1
From the test results, the cellulose acetate/polyacrylamide/silk fibroin/graphene oxide composite aerogel fibers are added into the heat insulation board, so that the heat insulation performance of the heat insulation board is improved, and the mechanical performance and the waterproof performance of the heat insulation board are also effectively improved.
Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
Claims (10)
1. A preparation method for producing an assembled environment-friendly energy-saving insulation board based on urban solid waste garbage is characterized by comprising the following steps: the method comprises the following steps:
(1) placing silk fiber in urea solution for degumming treatment, then washing, drying, placing in calcium chloride solution for dissolving treatment, finally dialyzing and purifying for 65-70h by using a dialysis bag, and diluting the dialyzed solution by using deionized water until the concentration of silk fibroin is 1.3-1.5 wt%;
(2) adding graphene oxide dispersion liquid into the silk fibroin solution prepared in the step (1), and stirring and mixing uniformly to prepare a mixed solution;
(3) dissolving polyacrylamide in N, N '-dimethylacetamide, stirring until a solid is dissolved, then adding cellulose acetate, continuously stirring to prepare a cellulose acetate/polyacrylamide solution, taking the cellulose acetate/polyacrylamide solution as a skin layer solution and water as a core layer solution, preparing hollow cellulose acetate/polyacrylamide fibers by adopting a coaxial spinning method, finally placing collected fibers in water, stirring to remove the N, N' -dimethylacetamide, then drying at-20 +/-2 ℃ for 10-15h, and then drying at-50 +/-2 ℃ for 1-2 days to prepare hollow cellulose acetate/polyacrylamide aerogel fibers;
(4) placing the prepared hollow cellulose acetate/polyacrylamide aerogel fiber into the mixed solution prepared in the step (2), performing ultrasonic treatment at normal temperature, and then performing freeze drying treatment at-50 ℃ for 1-2 days to prepare cellulose acetate/polyacrylamide/silk fibroin/graphene oxide composite aerogel fiber;
(5) mixing cement, fly ash, polypropylene fiber, polystyrene foam particles, cellulose acetate/polyacrylamide/silk fibroin/graphene oxide composite aerogel fibers and deionized water, then adding polymer modified solid waste particles, stirring uniformly, adding a vegetable protein foaming agent, sodium carboxymethylcellulose and calcium stearate, stirring and mixing, pouring the prepared slurry into a mold, carrying out constant-temperature maintenance treatment for 1d at 20 ℃, finally demolding, and continuing to carry out natural maintenance treatment for 7d in the air to obtain the heat-insulating plate.
2. The preparation method of the assembled environment-friendly and energy-saving insulation board based on the urban solid waste garbage production according to claim 1, characterized by comprising the following steps: in the step (1), the concentration of the urea solution is 7-9mol/L, the temperature during degumming is 85-95 ℃, the time is 2-4h, and the solid-to-liquid ratio is 1: (25-30).
3. The preparation method of the assembled environment-friendly and energy-saving insulation board based on the urban solid waste garbage production according to claim 1, characterized by comprising the following steps: in the step (1), the calcium chloride solution is a ternary solution of calcium chloride, ethanol and deionized water, and the molar ratio of the calcium chloride solution to the ethanol to the deionized water is 1: (1-2): 7.
4. the preparation method of the assembled environment-friendly and energy-saving insulation board based on the urban solid waste garbage production according to claim 1, characterized by comprising the following steps: in the step (1), the dissolving treatment temperature is 75-85 ℃, the time is 1-3h, and the solid-liquid ratio during treatment is 1: (15-25).
5. The preparation method of the assembled environment-friendly and energy-saving insulation board based on the urban solid waste garbage production according to claim 1, characterized by comprising the following steps: in the step (2), the concentration of the graphene oxide solution is 3.5-4.5mg/ml, and the mass ratio of graphene oxide to silk fibroin in the mixed solution is (0.01-0.015): 1.
6. the preparation method of the assembled environment-friendly and energy-saving insulation board based on the urban solid waste garbage production according to claim 1, characterized by comprising the following steps: in the step 3), the mass ratio of the polyacrylamide to the cellulose acetate is 1: (10-12).
7. The preparation method of the assembled environment-friendly and energy-saving insulation board based on the urban solid waste garbage production according to claim 1, characterized by comprising the following steps: in the step (3), the hollow cellulose acetate/polyacrylamide aerogel fiber has a diameter of 20-30 μm, an inner diameter of 8-10 μm and a length of 80-100 μm.
8. The preparation method of the assembled environment-friendly and energy-saving insulation board based on the urban solid waste garbage production according to claim 1, characterized by comprising the following steps: in the step (4), the dosage ratio of the hollow cellulose acetate/polyacrylamide aerogel fibers to the mixed solution is 1 g: (50-60) ml.
9. The preparation method of the assembled environment-friendly and energy-saving insulation board based on the urban solid waste garbage production according to claim 1, characterized by comprising the following steps: in the step (5), the preparation method of the polymer modified solid waste particles comprises the following steps: drying and crushing the solid waste into particles with the size of 2-3mm, and then mixing the dried and crushed solid waste into powder according to the mass ratio of 1: and (2) mixing the mixture with polyacrylate emulsion in the ratio of (2-5), grinding, and finally drying to obtain the polyacrylate emulsion.
10. The preparation method of the assembled environment-friendly and energy-saving insulation board based on the urban solid waste garbage production according to claim 1, characterized by comprising the following steps: in the step (5), the dosage of each component is specifically as follows by weight: 60-80 parts of cement, 50-60 parts of fly ash, 2-3 parts of polypropylene fiber, 1-2 parts of polystyrene foam particles, 3-5 parts of cellulose acetate/polyacrylamide/silk fibroin/graphene oxide composite aerogel fiber, 10-20 parts of polymer modified solid waste particles, 1-2 parts of a vegetable protein foaming agent, 0.5-1 part of sodium carboxymethylcellulose, 0.5-1 part of calcium stearate and 30-50 parts of deionized water.
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