CN105948704A - Full-solid waste foamed ceramic insulation board based on ceramic polishing slag and preparation method thereof - Google Patents
Full-solid waste foamed ceramic insulation board based on ceramic polishing slag and preparation method thereof Download PDFInfo
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- CN105948704A CN105948704A CN201610251222.XA CN201610251222A CN105948704A CN 105948704 A CN105948704 A CN 105948704A CN 201610251222 A CN201610251222 A CN 201610251222A CN 105948704 A CN105948704 A CN 105948704A
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- 238000009413 insulation Methods 0.000 title claims abstract description 58
- 239000002910 solid waste Substances 0.000 title claims abstract description 46
- 239000000919 ceramic Substances 0.000 title claims abstract description 45
- 239000002893 slag Substances 0.000 title claims abstract description 34
- 238000005498 polishing Methods 0.000 title claims abstract description 16
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 239000000843 powder Substances 0.000 claims abstract description 45
- 239000002994 raw material Substances 0.000 claims abstract description 24
- 238000005520 cutting process Methods 0.000 claims abstract description 13
- 238000002156 mixing Methods 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000000498 ball milling Methods 0.000 claims abstract description 12
- 239000004088 foaming agent Substances 0.000 claims abstract description 10
- 239000006260 foam Substances 0.000 claims abstract description 9
- 239000003381 stabilizer Substances 0.000 claims abstract description 9
- 239000000375 suspending agent Substances 0.000 claims abstract description 8
- 238000001035 drying Methods 0.000 claims abstract description 6
- 238000011068 loading method Methods 0.000 claims abstract description 6
- 238000005187 foaming Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 23
- 239000002002 slurry Substances 0.000 claims description 15
- 239000000047 product Substances 0.000 claims description 12
- 239000004744 fabric Substances 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 10
- 238000010792 warming Methods 0.000 claims description 8
- 238000000227 grinding Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 239000002699 waste material Substances 0.000 claims description 7
- 229910001710 laterite Inorganic materials 0.000 claims description 5
- 239000011504 laterite Substances 0.000 claims description 5
- 239000004058 oil shale Substances 0.000 claims description 5
- 239000011265 semifinished product Substances 0.000 claims description 5
- 238000001694 spray drying Methods 0.000 claims description 5
- 229910052602 gypsum Inorganic materials 0.000 claims description 4
- 239000010440 gypsum Substances 0.000 claims description 4
- 229910052573 porcelain Inorganic materials 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 238000010304 firing Methods 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 238000003860 storage Methods 0.000 claims description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000011707 mineral Substances 0.000 abstract description 7
- 238000005245 sintering Methods 0.000 abstract description 5
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 239000004566 building material Substances 0.000 abstract 1
- 239000002956 ash Substances 0.000 description 10
- 229910010271 silicon carbide Inorganic materials 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 229910052925 anhydrite Inorganic materials 0.000 description 3
- 239000004927 clay Substances 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 239000004035 construction material Substances 0.000 description 2
- 239000010881 fly ash Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000010813 municipal solid waste Substances 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000002734 clay mineral Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- RCJVRSBWZCNNQT-UHFFFAOYSA-N dichloridooxygen Chemical compound ClOCl RCJVRSBWZCNNQT-UHFFFAOYSA-N 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002984 plastic foam Substances 0.000 description 1
- 206010035653 pneumoconiosis Diseases 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- BSVBQGMMJUBVOD-UHFFFAOYSA-N trisodium borate Chemical compound [Na+].[Na+].[Na+].[O-]B([O-])[O-] BSVBQGMMJUBVOD-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
-
- 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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/02—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding chemical blowing agents
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a full-solid waste foamed ceramic insulation board based on ceramic polishing slag and a preparation method thereof, and belongs to the technical field of green building materials and building energy conservation. The raw material of the foamed ceramic insulation board is formed by mixing all solid waste powder and water according to the weight ratio of 1 (0.4-0.6); the total solid waste powder comprises the following components in percentage by weight: 75-95% of ceramic polishing slag, 5-10% of suspending agent, 0.5-10% of foam stabilizer and 0.5-5% of foaming agent. The foaming ceramic insulation board is prepared by the steps of homogenizing, ball-milling, drying, kiln loading, sintering, demoulding and cutting of raw materials. The invention can realize that the solid waste is used as the raw material in the formula of the foamed ceramic insulation board, greatly improve the consumption of the solid waste in the ceramic industry, realize zero acquisition of non-renewable mineral resources and greatly reduce the production cost of the foamed ceramic.
Description
Technical field
The present invention relates to green construction material and energy-saving building technology field, be specifically related to a kind of based on ceramic polished
Full solid waste exterior insulation of slag and preparation method thereof.
Background technology
At present, the warming plate of construction wall mainly have polyurethane sheet, polystyrol plastic foam plate (EPS) and
Polystyrene heat insulating board (XPS) etc., but owing to its fire resistance is poor, during burning, distribute toxic gas,
Building fire tragedy is caused to take place frequently.Additionally, these organic materials come off as the most aging during external-wall heat-insulation material.
Exterior insulation is a kind of novel inorganic construction material, has high-strength light, fire protection flame retarding, ageing resistance
Well, research and the focus of application can therefore be become with building with the feature in life-span.
Foamed ceramic is typically using solid waste such as polishing pitchers, riverway sludge, flyash and iron ore mines as master
Want raw material, introduce the most inorganic or organic foaming agent, use advanced production technology to form through high-temperature roasting.In
State patent of invention CN 102887721A (denomination of invention: a kind of exterior insulation and preparation method thereof) is public
Open a kind of method preparing exterior insulation for primary raw material with ceramic polished slag and Anhydrite.
“Characterization of cellular ceramics made by porcelain tile residues”
It is primary raw material that one literary composition describes employing polishing slag, and SiC is as foaming agent, and 1200 DEG C are burnt till and prepare foamed ceramic
Method (Adriano Michael Bernardin etc, Materials Science and Engineering,
2006:222～225).Chinese invention patent CN 103044070 A (denomination of invention: one utilizes the Changjiang river to become silted up
The method of clay standby ultralight foamed ceramic material) disclose one utilize the Changjiang river mud for primary raw material, sodium carbonate,
Glass dust or sodium borate are foam stabilizer, prepare ultralight foamed ceramic material with calcium carbonate or carborundum for foaming agent
Method.Chinese invention patent CN 104744070 A (denomination of invention: the heat insulation foamed ceramic of coal ash light is protected
Temperature plate and preparation method and application) disclose one and utilize flyash, bentonite to prepare lightweight heat-proof for primary raw material
The method of exterior insulation.Chinese invention patent CN 104744070 A (denomination of invention: pottery quality guarantee
Adiabator and production method thereof) use iron ore mine, industrial slags and foaming agent etc., blended ball milling, add water
Stirring, dry, 1190 DEG C burn till and be prepared for foamed ceramic.But, domestic and international exterior insulation produces enterprise
Industry, mostly using solid waste as primary raw material, but unavoidably need to add other mineral such as Anhydrite, clay
Raw material will consume the most non-renewable mineral resources as adjuvant, this production technology.
Polishing slag is the garbage emitted in floor tile polishing process, containing useless porcelain powder, by grinding head for polishing
A small amount of carborundum, magnesia oxychloride cement and the Organic substance etc. introduced, it is impossible to natural degradation, it has also become main in region
One of environmental contaminants wanted.This waste residues of polished tiles discharge capacity is big, and (often producing 1 square metre of polished bricks need to be with throwing
The ceramic blankets that light bistrique jettisoning 0.8-1.2mm is thick, thus produce the ceramic polished waste material of about 2.0kg),
Powder particle atomic thin (granularity is between 1～30 μm), density are little, fly away the most in atmosphere, to air
PM10 and PM2.5 index have CR Critical impact, this waste residue to be sucked by people, then constitute pneumoconiosis, attached
Leaves of plants table, then block pore, have a strong impact on plant growing, the water body environment of surrounding be also result in simultaneously
Have a strong impact on, it is necessary to carry out harmless treatment.
Summary of the invention
Need to be using the raw mineral materials such as Anhydrite, clay as auxiliary in existing exterior insulation preparation process in order to overcome
Material, the mineral resources that a large amount of consumption are non-renewable, and be difficult to reduce the deficiencies such as production cost, the purpose of the present invention
It is to provide a kind of full solid waste exterior insulation based on ceramic polished slag and preparation method thereof, pole of the present invention
Improve greatly the foamed ceramic industry consumption to solid waste, it is achieved non-renewable mineral resources zero rope
Take, also significantly reduce the production cost of foamed ceramic.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of full solid waste exterior insulation based on ceramic polished slag, the raw material of this warming plate is by full solid waste
Powder and water are according to 1:(0.4-0.6) part by weight mix；Weight percentage, described complete solid
Useless powder composition is as follows:
Wherein: described suspending agent is one or more in oil shale, gangue and laterite；
Described foam stabilizer is one or both in blast furnace ash and converter ash；
Described foaming agent is one or both in SiC dust-removing powder and waste gypsum powder.
The method of exterior insulation prepared by the raw material using above-mentioned composition, comprises the steps:
(1) full solid waste powder homogenizing processes: by full solid waste powder polishing slag, suspending agent, foam stabilizer and foaming
Agent carries out uniform treatment respectively in stacking field, obtains four kinds of powders, standby.
Described homogenizing processing procedure is by polishing slag and the suspending agent of different regions of the discharge of different ceramics factories, surely steeps
Agent and foaming agent use forklift to make every kind of solid waste overall chemical by repeatedly stirring at material storage yard respectively
Composition is basically identical.
(2) prepared by slurry: mix, four kinds of powders of step (1) gained according still further to ratio according to required ratio
Full solid waste powder upon mixing adds water, carries out wet ball grinding, Ball-milling Time 3～15h with ball mill, obtain
To slurry；
(3) it is spray-dried: after the slurry that ball milling is good is sieved, enters spray drying tower and be dried, spraying
Drying tower temperature is 500～600 DEG C, prepares mixing blank；The mesh number of screen cloth used of sieving is 100～200 mesh；
(4) blank loading of kiln: dried mixing blank is poured into kiln car and struck off, fabric thickness
4～8mm；
(5) powder burns till: burn till in the tunnel cave continuously run, firing temperature 1170～1210 DEG C, protects
Temperature 1～3h, obtains exterior insulation blank；After blank is carried out the demoulding and cutting, i.e. prepare foaming pottery
Porcelain warming plate finished product.Described knockout course is: the i.e. exterior insulation blank of the semi-finished product in kiln car is taken out,
Place exterior insulation blank region, to be processed；Described cutting process is: use automatic gas cutting machine to send out
Bubble ceramic thermal insulation plate blank cuts into required regular shape, i.e. prepares exterior insulation finished product.
After tested, the exterior insulation bulk density≤200Kg/m of the present invention3, comprcssive strength >=0.3MPa,
Thermal conductivity coefficient≤0.075W/ (m K), has the feature of high-strength light and good heat insulating, meet construct energy-conservation
The requirement of building heat preservation body of wall.
Compared to existing technology, beneficial effects of the present invention is as follows:
The present invention chooses all kinds of solid waste that various places, Liaoning Province produce, all kinds of solid waste of systematic analysis
Characteristic, rationally plays the physicochemical property feature of all kinds of solid waste, uses blast furnace ash, converter ash to replace Anhydrite
Class mineral, as the foam stabilizer of exterior insulation, help the formation of glass liquid phase.It is aided with oil shale, bastard coal
Stone or laterite replace clay minerals makes the viscosity of glass liquid phase and capillary energy access regulation and control.Allotment polishing
Relation between slag, suspending agent, foam stabilizer three, it is possible to resolve exterior insulation is glass in sintering process
Liquid phase viscosity, surface tension are not suitable for stomatal limiting value and the problem uniformly grown up, and make the foaming size of product, hole
The thickness of wall is precisely controlled, thus obtain high rate of closed hole, pore size is uniform, unit weight is consistent target is produced
Product, can make the heat conductivity of product control in 0.075w/ (m.k) left and right, and product performance index is stablized controlled,
And then ensure that the yield rate of product reaches more than 98%.Exterior insulation formula can be realized and all use solid
Garbage, as raw material, is greatly improved the china industry consumption to solid waste, it is achieved non-renewable ore deposit
Goods and materials source zero is asked for, and the production cost of foamed ceramic is also greatly reduced.
Detailed description of the invention
In order to be more fully understood that the present invention, it is further elucidated with present disclosure below in conjunction with embodiment, but the present invention
Content be not limited solely to the following examples.
Embodiment 1
In the present embodiment, prepare that full solid waste exterior insulation based on ceramic polished slag is raw materials used and proportioning
For:
Full solid waste powder is 1:0.4 with the part by weight of water, the weight percentage of each component in full solid waste powder
For: polishing slag 87%, laterite 10%, blast furnace ash 2.65%, SiC dust-removing powder 0.35%.
The method using above-mentioned raw materials to prepare exterior insulation, comprises the steps:
1) material homogenizerization processes: polishing slag, laterite, blast furnace ash, SiC dust-removing powder are carried out all in stacking field
Change processes, and obtains four kinds of powders, standby.
2) prepared by slurry: is mixed in proportion by four kinds of powders of step (1) gained and is proportionally added into water again, uses ball
Grinding machine carries out wet ball grinding, Ball-milling Time 6h, obtains slurry；
3) it is spray-dried: after the slurry that ball milling is good is sieved, enters spray drying tower and be dried, drying tower temperature
Degree is 500 DEG C, prepares mixing blank, and the mesh number of the screen cloth used that sieves is 200 mesh；
4) blank loading of kiln: dried mixing blank is poured into kiln car and struck off, fabric thickness 6.5mm；
5) powder burns till: burn till in the tunnel cave continuously run, maximum sintering temperature 1180 DEG C, is incubated 2h；
6) the blank demoulding: the i.e. exterior insulation blank of the semi-finished product in kiln car is taken out, places foamed ceramic
Warming plate blank region, processing；
7) blank cutting: use automatic gas cutting machine by exterior insulation blank, cut into regular shape, i.e.
Prepare exterior insulation finished product.
After tested, exterior insulation bulk density 181Kg/m that prepared by the present embodiment3, comprcssive strength
0.53MPa, thermal conductivity coefficient 0.074W/ (m K), combustibility reaches A1 grade standard.Have high-strength light and
The feature of good heat insulating, meets the requirement constructing energy saving building heat-preserving wall.
Embodiment 2
In the present embodiment, prepare that full solid waste exterior insulation based on ceramic polished slag is raw materials used and proportioning
For:
Full solid waste powder is 1:0.5 with the part by weight of water, the weight percentage of each component in full solid waste powder
For: polishing slag 87.5%, oil shale 6.5%, converter ash 3.5%, waste gypsum powder 2.5%.
The method using above-mentioned raw materials to prepare exterior insulation, comprises the steps:
1) raw material is uniform: entered in stacking field by four kinds of raw materials such as polishing slag, oil shale, converter ash, waste gypsum powder
Row homogenizing processes, and obtains four kinds of powders, standby.
2) prepared by slurry: is mixed in proportion by four kinds of powders of step (1) gained, then is proportionally added into water, uses
Ball mill carries out wet ball grinding, Ball-milling Time 12h, obtains slurry；
3) it is spray-dried: after the slurry that ball milling is good is sieved, enters spray drying tower and be dried, drying tower temperature
Degree is 580 DEG C, prepares mixing blank, and the mesh number of the screen cloth used that sieves is 200 mesh；
4) blank loading of kiln: dried mixing blank is poured into kiln car and struck off, fabric thickness 6.5mm；
5) powder burns till: burn till in the tunnel cave continuously run, maximum sintering temperature 1210 DEG C, is incubated 2h；
6) the blank demoulding: the i.e. exterior insulation blank of the semi-finished product in kiln car is taken out, places foamed ceramic
Warming plate blank region, to be processed；
7) blank cutting: use automatic gas cutting machine by exterior insulation blank, cut into regular shape, i.e.
Prepare exterior insulation finished product.
After tested, exterior insulation bulk density 198Kg/m that prepared by the present embodiment3, comprcssive strength
0.78MPa, thermal conductivity coefficient 0.075W/ (m K), combustibility reaches A1 grade standard.There is high-strength light
With the feature of good heat insulating, meet the requirement constructing energy saving building heat-preserving wall.
Embodiment 3
In the present embodiment, prepare that full solid waste exterior insulation based on ceramic polished slag is raw materials used and proportioning
For:
Full solid waste powder is 1:0.6 with the part by weight of water, the weight percentage of each component in full solid waste powder
For: polishing slag 84.5%, gangue 10%, blast furnace ash 5%, SiC dust-removing powder 0.5%.
The method using above-mentioned raw materials to prepare exterior insulation, comprises the steps:
1) raw material is uniform: will polish four kinds of raw materials such as slag, gangue, blast furnace ash, SiC dust-removing powder and stack field
Carry out uniform treatment, obtain four kinds of powders, standby.
2) prepared by slurry: is mixed in proportion by four kinds of powders of step (1) gained, then is proportionally added into water, uses
Ball mill carries out wet ball grinding, Ball-milling Time 12h, obtains slurry；
3) it is spray-dried: after the slurry that ball milling is good is sieved, enters spray drying tower and be dried, drying tower temperature
Degree is 600 DEG C, prepares mixing blank, and the mesh number of the screen cloth used that sieves is 120 mesh；
4) blank loading of kiln: dried mixing blank is poured into kiln car and struck off, fabric thickness 7mm；
5) powder burns till: burn till in the tunnel cave continuously run, maximum sintering temperature 1210 DEG C, is incubated 1.5h；
6) the blank demoulding: the i.e. exterior insulation blank of the semi-finished product in kiln car is taken out, places foamed ceramic
Warming plate blank region, to be processed；
7) blank cutting: use automatic gas cutting machine by exterior insulation blank, cut into regular shape, i.e.
Prepare exterior insulation finished product.
After tested, the exterior insulation bulk density that prepared by the present embodiment is 173Kg/m3, comprcssive strength
For 0.46MPa, thermal conductivity coefficient is 0.07W/ (m K), and combustibility reaches A1 grade standard.There is lightweight high
Strong and the feature of good heat insulating, the satisfied requirement constructing energy saving building heat-preserving wall.
Claims (9)
1. a full solid waste exterior insulation based on ceramic polished slag, it is characterised in that: this warming plate
Raw material be by full solid waste powder with water according to 1:(0.4-0.6) part by weight mix；Percentage by weight
Content meter, described full solid waste powder composition is as follows:
Full solid waste exterior insulation based on ceramic polished slag the most according to claim 1, it is special
Levy and be: described suspending agent is one or more in oil shale, gangue and laterite.
Full solid waste exterior insulation based on ceramic polished slag the most according to claim 1, it is special
Levy and be: described foam stabilizer is one or both in blast furnace ash and converter ash.
Full solid waste exterior insulation based on ceramic polished slag the most according to claim 1, it is special
Levy and be: described foaming agent is one or both in SiC dust-removing powder and waste gypsum powder.
5. according to arbitrary described based on ceramic polished slag the full solid waste exterior insulation of claim 1-4,
It is characterized in that: the bulk density≤200Kg/m of described exterior insulation3, comprcssive strength >=0.3MPa,
Thermal conductivity coefficient≤0.075W/ (m K).
The preparation of full solid waste exterior insulation based on ceramic polished slag the most according to claim 1
Method, it is characterised in that: the method comprises the steps:
(1) full solid waste powder homogenizing processes: by full solid waste powder polishing slag, suspending agent, foam stabilizer and foaming
Field homogenizing process respectively is being stacked in agent, obtains four kinds of powders, standby；
(2) prepared by slurry: mix, four kinds of powders of step (1) gained according still further to ratio according to required ratio
Full solid waste powder upon mixing adds water, carries out wet ball grinding, Ball-milling Time 3～15h with ball mill, obtain
To slurry；
(3) it is spray-dried: after the slurry that ball milling is good is sieved, enters spray drying tower and be dried, spraying
Drying tower temperature is 500～600 DEG C, prepares mixing blank；
(4) blank loading of kiln: dried mixing blank is poured into kiln car and struck off, fabric thickness
4～8mm；
(5) powder burns till: burn till in the tunnel cave continuously run, firing temperature 1170～1210 DEG C, protects
Temperature 1～3h, obtains exterior insulation blank；After blank is carried out the demoulding and cutting, i.e. prepare foaming pottery
Porcelain warming plate finished product.
The preparation of full solid waste exterior insulation based on ceramic polished slag the most according to claim 6
Method, it is characterised in that: in step (1), described homogenizing processing procedure is the throwing different ceramics factories discharged
Light slag and the suspending agent of different regions, foam stabilizer and foaming agent use forklift by repeatedly turning at material storage yard respectively
Moving makes every kind of solid waste overall chemical composition consistent.
The preparation of full solid waste exterior insulation based on ceramic polished slag the most according to claim 6
Method, it is characterised in that: in step (3), the mesh number of the screen cloth used that sieves is 100～200 mesh.
The preparation of full solid waste exterior insulation based on ceramic polished slag the most according to claim 6
Method, it is characterised in that: in step (5), described knockout course is: the semi-finished product in kiln car are i.e. foamed
Ceramic thermal insulation plate blank takes out, and places exterior insulation blank region, to be processed；Described cutting process is:
Use automatic gas cutting machine that exterior insulation blank cuts into required regular shape, i.e. prepare foamed ceramic and protect
Temperature board finished product.
Priority Applications (1)
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| CN106542807A (en) * | 2016-11-02 | 2017-03-29 | 铜仁学院 | A kind of method that utilization electrolytic manganese residues and shale prepare foamed ceramic |
| CN107266027A (en) * | 2017-06-12 | 2017-10-20 | 北京科技大学 | A kind of method that utilization ceramic waste residue prepares porous material |
| CN107344864A (en) * | 2016-09-29 | 2017-11-14 | 沈阳建筑大学 | A kind of foam heat-insulating board and preparation method thereof |
| CN109095887A (en) * | 2018-08-30 | 2018-12-28 | 山东晟世达新材料有限公司 | A kind of ultralight foamed ceramic thermal insulation material and preparation method thereof |
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| CN106542807A (en) * | 2016-11-02 | 2017-03-29 | 铜仁学院 | A kind of method that utilization electrolytic manganese residues and shale prepare foamed ceramic |
| CN107266027A (en) * | 2017-06-12 | 2017-10-20 | 北京科技大学 | A kind of method that utilization ceramic waste residue prepares porous material |
| CN109095887A (en) * | 2018-08-30 | 2018-12-28 | 山东晟世达新材料有限公司 | A kind of ultralight foamed ceramic thermal insulation material and preparation method thereof |
| CN109111206A (en) * | 2018-08-30 | 2019-01-01 | 山东晟世达新材料有限公司 | A kind of composite foamed ceramics of facing of full solid waste and preparation method thereof |
| CN109503118A (en) * | 2018-12-18 | 2019-03-22 | 广东金意陶陶瓷集团有限公司 | A kind of foamed ceramic partition plate and preparation method thereof |
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| CN117229038A (en) * | 2023-10-27 | 2023-12-15 | 佛山市陶莹新型材料有限公司 | Foamed ceramic heat insulation material, preparation method thereof and product |
| CN117229038B (en) * | 2023-10-27 | 2024-03-12 | 佛山市陶莹新型材料有限公司 | Foamed ceramic heat insulation material, preparation method thereof and product |
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