CN104514335B - A kind of heat insulation facing integrated board and preparation method thereof - Google Patents
A kind of heat insulation facing integrated board and preparation method thereof Download PDFInfo
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- 238000009413 insulation Methods 0.000 title claims abstract description 43
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- 239000010802 sludge Substances 0.000 claims abstract description 35
- 239000000463 material Substances 0.000 claims abstract description 24
- 238000004321 preservation Methods 0.000 claims abstract description 21
- 239000004088 foaming agent Substances 0.000 claims abstract description 18
- 239000004568 cement Substances 0.000 claims abstract description 15
- 239000002994 raw material Substances 0.000 claims abstract description 14
- 239000010801 sewage sludge Substances 0.000 claims abstract description 9
- 239000010881 fly ash Substances 0.000 claims abstract description 8
- 239000011083 cement mortar Substances 0.000 claims abstract description 7
- 238000005507 spraying Methods 0.000 claims abstract description 6
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 239000000839 emulsion Substances 0.000 claims description 15
- 238000003756 stirring Methods 0.000 claims description 14
- 239000004927 clay Substances 0.000 claims description 13
- 239000000843 powder Substances 0.000 claims description 12
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 9
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 9
- 239000000835 fiber Substances 0.000 claims description 9
- 229920002521 macromolecule Polymers 0.000 claims description 8
- 239000008187 granular material Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 7
- 239000007921 spray Substances 0.000 claims description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 6
- 229940010698 activated attapulgite Drugs 0.000 claims description 6
- 229960000892 attapulgite Drugs 0.000 claims description 6
- 239000007822 coupling agent Substances 0.000 claims description 6
- 229910052625 palygorskite Inorganic materials 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- SQAINHDHICKHLX-UHFFFAOYSA-N 1-naphthaldehyde Chemical compound C1=CC=C2C(C=O)=CC=CC2=C1 SQAINHDHICKHLX-UHFFFAOYSA-N 0.000 claims description 5
- 239000011398 Portland cement Substances 0.000 claims description 5
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 5
- 239000004141 Sodium laurylsulphate Substances 0.000 claims description 5
- VTIIJXUACCWYHX-UHFFFAOYSA-L disodium;carboxylatooxy carbonate Chemical compound [Na+].[Na+].[O-]C(=O)OOC([O-])=O VTIIJXUACCWYHX-UHFFFAOYSA-L 0.000 claims description 5
- 235000011194 food seasoning agent Nutrition 0.000 claims description 5
- 238000000227 grinding Methods 0.000 claims description 5
- 239000001023 inorganic pigment Substances 0.000 claims description 5
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims description 5
- FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 claims description 5
- 235000019333 sodium laurylsulphate Nutrition 0.000 claims description 5
- 229940045872 sodium percarbonate Drugs 0.000 claims description 5
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims description 5
- 229940048086 sodium pyrophosphate Drugs 0.000 claims description 5
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 5
- 235000019818 tetrasodium diphosphate Nutrition 0.000 claims description 5
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 3
- 150000001252 acrylic acid derivatives Chemical class 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 229910052681 coesite Inorganic materials 0.000 claims description 3
- 238000007334 copolymerization reaction Methods 0.000 claims description 3
- 229910052593 corundum Inorganic materials 0.000 claims description 3
- 229910052906 cristobalite Inorganic materials 0.000 claims description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 229910052682 stishovite Inorganic materials 0.000 claims description 3
- 229910052905 tridymite Inorganic materials 0.000 claims description 3
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 238000005034 decoration Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 238000010792 warming Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 8
- 238000005187 foaming Methods 0.000 description 7
- 238000004134 energy conservation Methods 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 238000001354 calcination Methods 0.000 description 3
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- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
- 238000000498 ball milling Methods 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
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- 238000001035 drying Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 239000003895 organic fertilizer Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 229910052573 porcelain Inorganic materials 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- 241001466460 Alveolata Species 0.000 description 1
- 239000006004 Quartz sand Substances 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000008393 encapsulating agent Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000010954 inorganic particle Substances 0.000 description 1
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- 238000001179 sorption measurement Methods 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Abstract
The invention discloses a kind of heat insulation facing integrated board and preparation method thereof, it prepares sludge foaming agent with river sludge for primary raw material, and prepares cement insulation board with this kind of sludge foaming agent, cement, flyash etc. for primary raw material；With modified sewage sludge for the flexible finishing material of primary raw material preparation, spraying technology is utilized to be coated on warming plate by flexibility finishing material, final prepared decorative heat preservation integrated board.Decorative heat preservation integrated board obtained by the preparation method of the present invention, heat conductivity≤0.024W/ (m K), apparent density≤3.78Kg/m3, it is 0.25 0.3MPa with the adhesion strength of cement mortar；There is insulation, weather resistance good, and the feature such as production cost is low, length in service life, construction are simple, be suitable to skin wall thermal insulating and use with decoration.
Description
Technical field
The present invention relates to a kind of decorative heat preservation integrated board and preparation method thereof, particularly to a kind of heat insulation facing integrated board using river sludge to be primary raw material and preparation method thereof.
Background technology
Along with the acceleration of rivers environmental improvement, during channel cleanout regulation, a large amount of moisture content are high, rich in organic mud, if can not get processing in time, will result in serious secondary pollution.
Tradition river sludge is mainly by burning or landfill disposal, and part is used for the processing of organic fertilizer or directly uses.But burn or landfill processing cost for the moment is high, and often easily cause secondary pollution.And along with the acceleration of process of industrialization, increasing the weight of of rivers degree of water pollution, rich in substantial amounts of heavy metal element in rivers mud, the organic fertilizer of crop, the most not should not can be used for already.
Turn waste into wealth, sewage sludge harmlessness, recycling treatment, the most progressively become the important topic faced now.
Chinese patent application CN103359995A discloses a kind of method utilizing red Lianhu mud to prepare environmental protection flexible porcelain tendre tapestry brick, it is dried granule with mud, adding quartz sand, cement, emulsion, fire retardant, flyash, titanium dioxide, biologic grain and water is primary raw material, it is dried by the way of calcining again after extruded, being prepared for flexible porcelain tendre tapestry brick, this provides a kind of well approach for mud in building decoration field.
Mainly it is disadvantageous in that the comprehensive energy consumption of its production process is higher, its drying process temperature 80-90 DEG C, drying time
5-10h, calcining heat 1000-1100 DEG C, calcination time 12-18h.
At present, commercially available decorative heat preservation integrated board is made up of tack coat, insulation and decoration production board, anchoring piece, encapsulant etc., has the advantages such as anti-scaling, slip-off preventing, anti-related, fire prevention, lightning protection, shockproof, light energy conservation.
But, there are the problems and shortcomings such as structure is complicated, production process is loaded down with trivial details, production cost is higher in the decorative heat preservation integrated board of this version.
Development along with new material technology, it is contemplated that lightweight, useless, production technology energy-conservation, sharp prepare decorative heat preservation integrated board simply, efficiently, will become the development trend of industry field.
Summary of the invention
It is an object of the invention to provide a kind of with river sludge for mainly preparing one of raw material, there is the decorative heat preservation integrated board of the features such as good heat insulating, light weight and cement mortar adhesion property are good.The present invention be employed technical scheme comprise that for achieving the above object, a kind of heat insulation facing integrated board, for layer structure, including heat-insulation layer and decorative layer, it is characterised in that heat conductivity≤0.024W/ (m K), apparent density≤3.78Kg/m3, it is 0.25-0.3MPa with the adhesion strength of cement mortar；
Main one of raw material of preparing of described heat-insulation layer and decorative layer is for river sludge；
Described river sludge moisture content≤15%, its main chemical compositions and percentage composition are respectively SiO248%, Al2O312.5%, Fe2O35%, CaO4%, MgO2.5%, loss on ignition is 7.5%.
What technique scheme was directly brought has the technical effect that, with river sludge for mainly preparing one of raw material, the performance of the river sludge of one of its primary raw material is close to clay, and rich in organic, loose porous.On the one hand, obtained decorative heat preservation integrated board heat conductivity≤0.024W/ (m K), apparent density≤3.78Kg/m3, there is the excellent properties such as high insulating effect, decorative color abundant, intensity height, light energy conservation；
On the other hand, it is good with cement mortar adhesion property, and adhesion strength is up to 0.25-0.3MPa, is suitable to fast construct, and heat-insulation layer is identical with decorative layer raw material sources, and the compatibility is good, and overall physical and chemical index is more stable；
More it is essential that the heat-insulation layer of decorative heat preservation integrated board and decorative layer are integrated with each other.The version of this " soft outside but hard inside, the combination of inner and outside is integral ", its simple in construction, efficiently solve the encrusting and being incubated between internal layer of decorative heat preservation integrated board of " sandwich of layers " version of prior art, because material is different, thermal coefficient of expansion is inconsistent, after by long-term use, it is prone to that ectonexine stripping, bubbling, deformation occur, and then causes the problem and shortage such as heat insulation effect variation, shortening in service life；
And, the intensity of flexible finishing material is high, stretch-proof performance is good, water proofing property and good permeability, which ensure that heat insulation decoration integrated plate has the feature such as superior weatherability and length in service life.
The two of the purpose of the present invention are to provide the preparation method of a kind of above-mentioned heat insulation facing integrated board, and it has the features such as technique is simple and easy to control, energy consumption is low.The present invention be employed technical scheme comprise that for achieving the above object, the preparation method of a kind of heat insulation facing integrated board as claimed in claim 1, it is characterised in that comprise the following steps:
The first step, sludge foaming agent preparation process:
By weight, weigh 20-50 5-10 10-30 1:20 1-15:0.1-3 0.1-3 0.1-3 river sludge granule, high viscous attapulgite clay powder, activated attapulgite clay powder, sodium lauryl sulphate, SODIUM PERCARBONATE, sodium polyacrylate, sodium pyrophosphate and poly-naphthalene formaldehyde sulfonate respectively, after blender is stirred until homogeneous, enter grinding in ball mill and, to particle diameter≤0.05mm, prepare sludge foaming agent；
Second step, cement insulation board preparation process:
By weight, weigh 1-5 20-40 10-30 10-20 sludge foaming agent, portland cement, flyash and water respectively, stir 20-40 minute in blender, prepare cement insulation board in a mold；
3rd step, flexible finishing material preparation process:
By weight, weigh 30-50 20-40 10-30 10-20 1-3 1-3 modified sewage sludge, ground calcium carbonate, macromolecule emulsion, water, inorganic pigment and PP fiber respectively, enter blender, stir under 100r/min rotating speed, prepare flexible finishing material；
Particle diameter≤the 0.08mm of above-mentioned ground calcium carbonate, a length of 20-30mm of above-mentioned PP fiber；
4th step, the preparation process of body heat insulation veneer:
Prepared flexible finishing material is sprayed in above-mentioned cement insulation board by high-pressure spray gun, at a temperature of 50-80 DEG C, places depanning, water seasoning 12-48h after 3-5h, prepare decorative heat-preservation plate.
What technique scheme was directly brought has the technical effect that, 1, the whole technological process of production is simple, power consumption is few；2, the addition of macromolecule emulsion will form fluid-tight film, mud granule is wrapped, making final products on the basis of obtaining preferable water resistance, it is ensured that during it uses, the heavy metal component that may contain in mud will not soak because of long-term rainwater or wash away and leach；
And, crystal is that the height of meshy arrangement glues attapulgite clay powder and the introducing of activated attapulgite clay powder, and be used in mixed way the production carrying out sludge foaming agent rich in river sludge organic, conveying porous, in whole reaction system, each material composition is good dispersion under external force stirs, to moisture content acceptance, discharge performance by force, obtained sludge foaming agent has the highest surface activity, and coefficient of foaming is high, foam stability is good, bleeding quantity is low.
3, being porous type alveolate texture due to river sludge and fly ash grain, porosity is high, and specific surface area is relatively big, has higher adsorption activity.
Thus, obtained cement insulation board has higher voidage, and heat-insulating property is better than the decorative heat preservation integrated board of prior art.
4, fineness of the particles≤0.05mm after inorganic particle ball milling.The particle diameter being made each component by ball milling is consistent, and the foaming agent prepared has more preferable foaming effect, and uniform in foaming is closely knit, intensity is high.
Being preferably, above-mentioned macromolecule emulsion is one or more in multi-copolymerization emulsion, organosilicon-modified acrylate emulsion, methyl methacrylate and ethyl acetate.
What this optimal technical scheme was directly brought has the technical effect that, multi-copolymerization emulsion, organosilicon-modified acrylate emulsion, methyl methacrylate and ethyl acetate are respectively provided with good bonding force, and good film-forming property.
Further preferably, above-mentioned modified sewage sludge is to add the river sludge that titanate coupling agent is modified；
The addition of described titanate coupling agent is the 0.85-1.35% of described river sludge weight.
What this optimal technical scheme was directly brought has the technical effect that, on the one hand, titanate coupling agent is the inorganic material surface inorganic agent of a kind of good properties, can improve products machinery performance, particularly shock strength, percentage elongation, the surface smoothness of finished product can be improved simultaneously, and its reactivity is high, good dispersion, Heat stability is good, during blown film non-foaming, filler is easily dispersed；The addition of titanate coupling agent can improve the mobility of mud, and improves the impact strength of later stage composite.Mud number of functional groups after modified increases, and is conducive to and high-molecular organic material PP fiber-reactive, and the flexible finishing material of generation has the advantages such as good springiness, easy moulding.
On the other hand, it is not only suitable for inorganic matter ground calcium carbonate, and the surface being suitable to again Organic substance PP fiber processes.
Further preferably, the nozzle outlet diameter of above-mentioned high-pressure spray gun is 2.5-10mm, and spraying air pressure is 0.2MPa.
What this optimal technical scheme was directly brought has the technical effect that, nozzle bore and the match selection spraying air pressure, the scattered uniformity of flexible finishing material that beneficially viscosity is the highest, it is ensured that the quality of spraying.
In sum, the present invention is respectively with mud for main foundation raw material, prepare foaming agent respectively and prepare cement board and flexible finishing material, and using spraying coating process that the mode that flexible finishing material is painted on cement board surface is prepared decorative heat preservation integrated board.It has the advantages that relative to prior art
1, technique is simple, production efficiency is high, raw material sources are wide, production process energy resource consumption is few.
2, on the one hand, obtained decorative heat preservation integrated board heat conductivity≤0.024W/ (m K), apparent density≤3.78Kg/m3, there is the excellent properties such as high insulating effect, decorative color abundant, intensity height, light energy conservation；
On the other hand, it is good with cement mortar adhesion property, and adhesion strength is up to 0.25-0.3MPa, is suitable to fast construct, and heat-insulation layer is identical with decorative layer raw material sources, and the compatibility is good, and overall physical and chemical index is more stable；
More it is essential that the heat-insulation layer of decorative heat preservation integrated board and decorative layer are integrated with each other.The version of this " soft outside but hard inside, the combination of inner and outside is integral ", its simple in construction, efficiently solve the encrusting and being incubated between internal layer of decorative heat preservation integrated board of " sandwich of layers " version of prior art, because material is different, thermal coefficient of expansion is inconsistent, after by long-term use, it is prone to that ectonexine stripping, bubbling, deformation occur, and then causes the problem and shortage such as heat insulation effect variation, shortening in service life；
And, the intensity of flexible finishing material is high, stretch-proof performance is good, water proofing property and good permeability, which ensure that heat insulation decoration integrated plate has the feature such as superior weatherability and length in service life.
3, achieve innoxious, the recycling treatment of mud, and effectively reduce the manufacturing cost of heat insulation decoration integrated plate.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in detail.
Illustrate: in following embodiment:
1, mud used is river sludge, its moisture content≤15%, and its main chemical compositions and percentage composition are respectively SiO248%, Al2O312.5%, Fe2O35%, CaO4%, MgO2.5%, loss on ignition is 7.5%；
2, the particle diameter of ground calcium carbonate used all≤0.08mm；
3, the length of PP fiber used is 20-30mm.
Embodiment 1
Experimental technique is as follows:
Step 1 weighs 20Kg mud granule, 5Kg height glues attapulgite clay powder, 10Kg activated attapulgite clay powder, 1Kg sodium lauryl sulphate, 1Kg SODIUM PERCARBONATE, 0.1Kg sodium polyacrylate, 1Kg sodium pyrophosphate and the poly-naphthalene formaldehyde sulfonate of 0.1Kg, it is transported in ball mill carry out grinding after stirring in blender, prepares sludge foaming agent；
Step 2 weighs 1Kg sludge foaming agent, 20Kg portland cement 10Kg flyash 10Kg water puts in mould after stirring in blender 20 minutes, prepares cement insulation board；
Step 3 weighs 30Kg modified sewage sludge, 20Kg ground calcium carbonate 10Kg macromolecule emulsion, 10Kg water, 1Kg inorganic pigment, 1Kg PP fiber, under 100r/min rotating speed, stirs, and prepares flexible finishing material；
Flexibility finishing material by high-pressure spray gun, is sprayed on above-mentioned foaming insulation board by step 4, at a temperature of 50 DEG C, places depanning after 5h, after water seasoning 12h, prepares decorative heat-preservation plate.
Embodiment 2
Experimental technique is as follows:
Step 1, weigh 35Kg mud granule, 7Kg height glues attapulgite clay powder, 20Kg activated attapulgite clay powder, 10Kg sodium lauryl sulphate, 8Kg SODIUM PERCARBONATE, 1.5Kg sodium polyacrylate, 2Kg sodium pyrophosphate and the poly-naphthalene formaldehyde sulfonate of 2Kg, it is transported in ball mill carry out grinding after stirring in blender, prepares sludge foaming agent；
Step 2, weighs 3Kg sludge foaming agent, 30Kg portland cement 20Kg flyash 15Kg water puts in mould after stirring in blender 30 minutes, prepares cement insulation board；
Step 3, weighs 40Kg modified sewage sludge, 30Kg ground calcium carbonate 20Kg macromolecule emulsion, 15Kg water, 2Kg inorganic pigment, 2Kg PP fiber, under 100r/min rotating speed, stirs, and prepares flexible finishing material；
Step 4, by flexibility finishing material by high-pressure spray gun, is sprayed on above-mentioned foaming insulation board, at a temperature of 65 DEG C, places depanning after 4h, after water seasoning 24h, prepares decorative heat-preservation plate.
Embodiment 3
Experimental technique is as follows:
Step 1, weigh 50Kg mud granule, 10Kg height glues attapulgite clay powder, 30Kg activated attapulgite clay powder, 20Kg sodium lauryl sulphate, 15Kg SODIUM PERCARBONATE, 3Kg sodium polyacrylate, 3Kg sodium pyrophosphate and the poly-naphthalene formaldehyde sulfonate of 3Kg, it is transported in ball mill carry out grinding after stirring in blender, prepares sludge foaming agent；
Step 2, weighs 5Kg sludge foaming agent, 40Kg portland cement 30Kg flyash 20Kg water puts in mould after stirring in blender 40 minutes, prepares cement insulation board；
Step 3, weighs 50Kg modified sewage sludge, 40Kg ground calcium carbonate 30Kg macromolecule emulsion, 20Kg water, 3Kg inorganic pigment, 3Kg PP fiber, under 100r/min rotating speed, stirs, and prepares flexible finishing material；
Step 4, by flexibility finishing material by high-pressure spray gun, is sprayed on above-mentioned foaming insulation board, at a temperature of 80 DEG C, places depanning after 3h, after water seasoning 48h, prepares decorative heat-preservation plate.
Through inspection, obtained decorative heat preservation integrated board: heat conductivity≤0.024W/ (m K), apparent density≤3.78Kg/m3, and the adhesion strength of cement mortar is all between 0.25-0.3MPa.
Claims (4)
1. the preparation method of a heat insulation facing integrated board, it is characterised in that described heat insulation facing integrated board is layer structure, including heat-insulation layer and decorative layer；Heat conductivity≤0.024W/ (m K), apparent density≤3.78Kg/m3, it is 0.25-0.3MPa with the adhesion strength of cement mortar；
Main one of raw material of preparing of described heat-insulation layer and decorative layer is for river sludge；
Described river sludge moisture content≤15%, its main chemical compositions and percentage composition are respectively SiO248%, Al2O312.5%, Fe2O35%, CaO4%, MgO2.5%, loss on ignition is 7.5%；
Described preparation method, comprises the following steps:
The first step, sludge foaming agent preparation process:
By weight, weigh 20-50 5-10 10-30 1:20 1-15:0.1-3 0.1-3 0.1-3 river sludge granule, high viscous attapulgite clay powder, activated attapulgite clay powder, sodium lauryl sulphate, SODIUM PERCARBONATE, sodium polyacrylate, sodium pyrophosphate and poly-naphthalene formaldehyde sulfonate respectively, after blender is stirred until homogeneous, enter grinding in ball mill and, to particle diameter≤0.05mm, prepare sludge foaming agent；
Second step, cement insulation board preparation process:
By weight, weigh 1-5 20-40 10-30 10-20 sludge foaming agent, portland cement, flyash and water respectively, stir 20-40 minute in blender, prepare cement insulation board in a mold；
3rd step, flexible finishing material preparation process:
By weight, weigh 30-50 20-40 10-30 10-20 1-3 1-3 modified sewage sludge, ground calcium carbonate, macromolecule emulsion, water, inorganic pigment and PP fiber respectively, enter blender, stir under 100r/min rotating speed, prepare flexible finishing material；
Particle diameter≤the 0.08mm of above-mentioned ground calcium carbonate, a length of 20-30mm of above-mentioned PP fiber；
4th step, the preparation process of body heat insulation veneer:
Prepared flexible finishing material is sprayed in above-mentioned cement insulation board by high-pressure spray gun, at a temperature of 50-80 DEG C, places depanning, water seasoning 12-48h after 3-5h, prepare decorative heat-preservation plate.
The preparation method of heat insulation facing integrated board the most according to claim 1, it is characterised in that described macromolecule emulsion is one or more in multi-copolymerization emulsion, organosilicon-modified acrylate emulsion, methyl methacrylate and ethyl acetate.
The preparation method of heat insulation facing integrated board the most according to claim 2, it is characterised in that described modified sewage sludge is to add the river sludge that titanate coupling agent is modified；
The addition of described titanate coupling agent is the 0.85-1.35% of described river sludge weight.
4., according to the preparation method of the heat insulation facing integrated board described in any one of claim 1-3, it is characterised in that the nozzle outlet diameter of described high-pressure spray gun is 2.5-10mm, spraying air pressure is 0.2MPa.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410698782.0A CN104514335B (en) | 2014-11-27 | 2014-11-27 | A kind of heat insulation facing integrated board and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410698782.0A CN104514335B (en) | 2014-11-27 | 2014-11-27 | A kind of heat insulation facing integrated board and preparation method thereof |
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| Publication Number | Publication Date |
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| CN104514335A CN104514335A (en) | 2015-04-15 |
| CN104514335B true CN104514335B (en) | 2016-08-24 |
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| CN106522493B (en) * | 2016-11-29 | 2018-12-07 | 南昌大学 | A kind of preparation method of heat preservation decoration integrative foamed cement hanging plate |
| CN109553796B (en) * | 2018-12-05 | 2021-12-21 | 中国工程物理研究院化工材料研究所 | Preparation method of polyarylether nitrile foam material with sandwich structure |
| CN111718167A (en) * | 2020-06-30 | 2020-09-29 | 湖北垚美软瓷有限公司 | Soft porcelain with high combustion performance and preparation method thereof |
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| JPH0952223A (en) * | 1995-08-10 | 1997-02-25 | Sekisui Chem Co Ltd | Both sides finishing material and manufacture thereof |
| CN101113092A (en) * | 2006-07-30 | 2008-01-30 | 史力 | Sludge produced sintering brick or solid fuel and its kilning tower |
| CN101372414B (en) * | 2008-09-19 | 2011-01-12 | 武汉理工大学 | Method for preparing environment-protective ceramic plain brick using lago sludge |
| CN101386521B (en) * | 2008-10-21 | 2012-07-25 | 武汉理工大学 | Method for preparing environment friendly ceramic gaged brick by Yellow River sediment |
| CN202658826U (en) * | 2012-04-05 | 2013-01-09 | 四川大学 | Light high-strength foaming ceramic heat-insulating compound plate |
| CN203066391U (en) * | 2013-01-28 | 2013-07-17 | 王卫星 | Red mud foaming building external wall heat-insulating integrated board |
| CN103274631B (en) * | 2013-06-07 | 2014-11-05 | 许盛英 | Powdery sludge foaming agent |
| CN103806567A (en) * | 2014-01-23 | 2014-05-21 | 许庆华 | Unfired sludge foaming acoustical board |
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