CN105948704B - A kind of full solid waste exterior insulation and preparation method thereof based on ceramic polished slag - Google Patents
A kind of full solid waste exterior insulation and preparation method thereof based on ceramic polished slag Download PDFInfo
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- CN105948704B CN105948704B CN201610251222.XA CN201610251222A CN105948704B CN 105948704 B CN105948704 B CN 105948704B CN 201610251222 A CN201610251222 A CN 201610251222A CN 105948704 B CN105948704 B CN 105948704B
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- solid waste
- exterior insulation
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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
- 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
Abstract
The invention discloses a kind of full solid waste exterior insulation and preparation method thereof based on ceramic polished slag, belongs to green construction material and energy-saving building technology field.The raw material of the exterior insulation is by full solid waste powder and water according to 1:The weight ratio of (0.4 0.6) mixes；Weight percentage, full solid waste powder group become：Ceramic polished slag 75%~95%, suspending agent 5%~10%, foam stabilizer 0.5%~10%, foaming agent 0.5%~5%.Raw material is homogenized, ball milling, drying, loading of kiln, firing, demoulding and cutting step are prepared into exterior insulation.Exterior insulation formula can be achieved all using solid waste as raw material in the present invention, and consumption of the china industry to solid waste is greatly improved, realizes the characteristics of non-renewable mineral resources zero are asked for, the production cost of foamed ceramic is also greatly reduced.
Description
Technical field
The present invention relates to green construction materials and energy-saving building technology field, and in particular to a kind of based on ceramic polished slag
Full solid waste exterior insulation and preparation method thereof.
Background technology
Currently, the thermal insulation board of construction wall mainly has polyurethane sheet, polystyrol plastic foam plate (EPS) and polyphenyl second
Alkene heat insulating board (XPS) etc., but since its flame retardant property is poor, when burning, distribute toxic gas, lead to building fire tragedy
It takes place frequently.It falls off in addition, being easy aging when these organic materials are as external-wall heat-insulation material.Exterior insulation is a kind of novel
Inorganic building material, have the characteristics that high-strength light, fire protection flame retarding, ageing resistance it is good, can be with building with the service life, therefore become
The hot spot of research and application.
Foamed ceramic is generally to polish the solid waste such as pitchers, riverway sludge, flyash and iron ore mine as main original
Material is introduced appropriate inorganic or organic foaming agent, is formed through high-temperature roasting using advanced production technology.Chinese invention patent CN
102887721A (denominations of invention：A kind of exterior insulation and preparation method thereof) one kind is disclosed with ceramic polished slag and length
Stone is the method that primary raw material prepares exterior insulation.“Characterization of cellular ceramics
A made by porcelain tile residues " texts, which describe, uses polishing slag for primary raw material, SiC as foaming agent,
1200 DEG C of firings prepare method (Adriano Michael Bernardin etc, the Materials Science of foamed ceramic
And Engineering, 2006：222~225).103044070 A (denominations of invention of Chinese invention patent CN：It is a kind of to utilize length
The method that river mud prepares ultralight foamed ceramic material) disclose it is a kind of using the Changjiang river mud be primary raw material, sodium carbonate, glass
Powder or Boratex are foam stabilizer, the method for preparing ultralight foamed ceramic material as foaming agent using calcium carbonate or silicon carbide.Middle promulgated by the State Council
104744070 A (denominations of invention of bright patent CN：The heat-insulated exterior insulation of coal ash light and its preparation method and application) it is open
A kind of using flyash, bentonite is method that primary raw material prepares lightweight heat-proof exterior insulation.Chinese invention is special
104744070 A (denominations of invention of sharp CN：Ceramic heat insulating material and its production method) using iron ore mine, industrial slags and
Foaming agent etc. is stirred through mixing and ball milling plus water, is dried, 1190 DEG C of firings are prepared for foamed ceramic.However, foaming is made pottery both at home and abroad
Porcelain thermal insulation board manufacturing enterprise, mostly using solid waste as primary raw material, but need to unavoidably add feldspar, clay etc. other
Raw mineral materials will consume a large amount of non-renewable mineral resources as auxiliary material, this production technology.
It is the waste emitted in floor tile polishing process to polish slag, is introduced containing useless porcelain powder, by grinding head for polishing
A small amount of silicon carbide, magnesia oxychloride cement and organic matter etc., can not natural degradation, it has also become main environmental contaminants in region
One of.This waste residues of polished tiles discharge capacity is big, and (grinding head for polishing jettisoning 0.8-1.2mm thickness need to be used by often producing 1 square metre of polished bricks
Ceramic blankets, to generate the ceramic polished waste material of 2.0kg or so), powder particle it is atomic it is thin (granularity 1~30 μm it
Between), density it is small, easily drift in air, have CR Critical influence, this waste residue quilt to PM10 the and PM2.5 indexs of air
People sucks, then constitutes pneumoconiosis, attached plant leaf table then blocks stomata, seriously affects plant growth, while to the water body of surrounding
Environment, which also results in, to be seriously affected, it is necessary to carry out harmless treatment.
Invention content
In order to overcome in existing exterior insulation preparation process need to using raw mineral materials such as feldspar, clays as auxiliary material,
The deficiencies of largely consuming non-renewable mineral resources, and being difficult to decrease production cost, the purpose of the present invention is to provide one kind
Full solid waste exterior insulation based on ceramic polished slag and preparation method thereof, the present invention greatly improves foamed ceramic industry
To the consumption of solid waste, realizes that non-renewable mineral resources zero are asked for, also significantly reduce the production of foamed ceramic
Cost.
To achieve the above object, the technical solution used in the present invention is as follows：
The raw material of a kind of full solid waste exterior insulation based on ceramic polished slag, the thermal insulation board is by full solid waste powder
With water according to 1:The weight ratio of (0.4-0.6) mixes；Weight percentage, the full solid waste powder composition is such as
Under：
Wherein：The suspending agent is one or more of oil shale, gangue and laterite；
The foam stabilizer is one or both of blast furnace ash and converter ash；
The foaming agent is one or both of SiC dust-removing powders and waste gypsum powder.
The method for preparing exterior insulation using the raw material of above-mentioned composition, includes the following steps：
(1) full solid waste powder homogenizing processing：Full solid waste powder is polished slag, suspending agent, foam stabilizer and foaming agent to stack
Field carries out uniform treatment respectively, obtains four kinds of powders, spare.
The homogenizing processing procedure be the polishing slag that different ceramics factories are discharged and the suspending agents of different regions, foam stabilizer and
Foaming agent keeps each solid waste overall chemical composition almost the same using forklift in material storage yard by repeatedly stirring respectively.
(2) prepared by slurry：Four kinds of powders obtained by step (1) are mixed according to required ratio, upon mixing according still further to ratio
Full solid waste powder in water is added, carry out wet ball grinding with ball mill, 3~15h of Ball-milling Time obtains slurry；
(3) it is spray-dried：After the good slurry sieving of ball milling, it is dried into spray drying tower, is spray-dried tower temperature
Degree is 500~600 DEG C, and mixing blank is made；The mesh number of sieving sieve used is 100~200 mesh；
(4) blank loading of kiln：It pours dried mixing blank into kiln car and strikes off, 4~8mm of fabric thickness；
(5) powder is burnt into：It is burnt into the tunnel oven continuously run, 1170~1210 DEG C of firing temperature, keeps the temperature 1~3h,
Obtain exterior insulation blank；After blank is demoulded and cut, exterior insulation finished product is obtained.It is described de-
Mold process is：Semi-finished product in kiln car, that is, exterior insulation blank is taken out, exterior insulation blank region is placed,
It is to be processed；The cutting process is：Exterior insulation blank is cut by required regular shape using automatic gas cutting machine, i.e.,
Exterior insulation finished product is made.
After tested, exterior insulation of the invention bulk density≤200Kg/m3, compression strength >=0.3MPa, thermal conductivity
Coefficient≤0.075W/ (m ﹒ K) has the characteristics that high-strength light and good heat insulating, satisfaction construct energy saving building heat-preserving wall
It is required that.
Compared with prior art, beneficial effects of the present invention are as follows：
The present invention chooses all kinds of solid waste of Liaoning Province various regions generation, the spy of all kinds of solid waste of network analysis
Property, the physicochemical property feature of all kinds of solid waste is rationally played, replaces feldspathoid as hair using blast furnace ash, converter ash
The foam stabilizer for steeping ceramic thermal insulation plate, helps the formation of glass liquid phase.It is aided with oil shale, gangue or laterite substitution clay minerals
The viscosity and surface tension for enabling glass liquid phase are regulated.Pass between allotment polishing slag, suspending agent, foam stabilizer three
System, can solve exterior insulation glass liquid phase viscosity, surface tension in sintering process be not suitable for stomatal limiting value and uniformly
The thickness of the problem of growing up, the foaming size, hole wall that make product is precisely controlled, to obtain high rate of closed hole, pore size
Uniformly, the consistent target product of unit weight can be such that the thermal coefficient of product controls in the left and right 0.075w/ (m.k), and properties of product refer to
Mark it is stably and controllable, and then ensure product yield rate reach 98% or more.Exterior insulation formula can be achieved all to use
Consumption of the china industry to solid waste is greatly improved as raw material in solid waste, realizes non-renewable mineral money
Source zero is asked for, and the production cost of foamed ceramic is also greatly reduced.
Specific implementation mode
For a better understanding of the present invention, with reference to the embodiment content that the present invention is furture elucidated, but the present invention
Content is not limited solely to the following examples.
Embodiment 1
In the present embodiment, full solid waste exterior insulation of the preparation based on ceramic polished slag is raw materials used and proportioning is：
The weight ratio of full solid waste powder and water is 1：0.4, the weight percentage of each component is in full solid waste powder：It throws
Light slag 87%, laterite 10%, blast furnace ash 2.65%, SiC dust-removing powders 0.35%.
The method for preparing exterior insulation using above-mentioned raw materials, includes the following steps：
1) material homogenizerization is handled：Polishing slag, laterite, blast furnace ash, SiC dust-removing powders are homogenized processing in stacking field,
Four kinds of powders are obtained, it is spare.
2) prepared by slurry：It is mixed in proportion by four kinds of powders obtained by step (1) and is proportionally added into water again, carried out with ball mill
Wet ball grinding, Ball-milling Time 6h, obtains slurry；
3) it is spray-dried：After the good slurry sieving of ball milling, it is dried into spray drying tower, drying tower temperature is
500 DEG C, mixing blank is made, the mesh number for the sieve used that is sieved is 200 mesh；
4) blank loading of kiln：It pours dried mixing blank into kiln car and strikes off, fabric thickness 6.5mm；
5) powder is burnt into：It is burnt into the tunnel oven continuously run, 1180 DEG C of maximum sintering temperature, keeps the temperature 2h；
6) blank demoulds：Semi-finished product in kiln car, that is, exterior insulation blank is taken out, foamed ceramic heat preservation is placed
Plate blank region, processing；
7) blank is cut：Using automatic gas cutting machine by exterior insulation blank, regular shape is cut into, obtains hair
Steep ceramic thermal insulation board finished product.
After tested, exterior insulation bulk density 181Kg/m manufactured in the present embodiment3, compression strength 0.53MPa,
Thermal conductivity coefficient 0.074W/ (m ﹒ K), combustibility reaches A1 grades of standards.Have the characteristics that high-strength light and good heat insulating, meets
Construct the requirement of energy saving building heat-preserving wall.
Embodiment 2
In the present embodiment, full solid waste exterior insulation of the preparation based on ceramic polished slag is raw materials used and proportioning is：
The weight ratio of full solid waste powder and water is 1：0.5, the weight percentage of each component is in full solid waste powder：It throws
Light slag 87.5%, oil shale 6.5%, converter ash 3.5%, waste gypsum powder 2.5%.
The method for preparing exterior insulation using above-mentioned raw materials, includes the following steps：
1) raw material is uniform：Four kinds of raw materials such as polishing slag, oil shale, converter ash, waste gypsum powder are homogenized in stacking field
Processing, obtains four kinds of powders, spare.
2) prepared by slurry：Mixed in proportion by four kinds of powders obtained by step (1), then be proportionally added into water, with ball mill into
Row wet ball grinding, Ball-milling Time 12h, obtains slurry；
3) it is spray-dried：After the good slurry sieving of ball milling, it is dried into spray drying tower, drying tower temperature is
580 DEG C, mixing blank is made, the mesh number for the sieve used that is sieved is 200 mesh；
4) blank loading of kiln：It pours dried mixing blank into kiln car and strikes off, fabric thickness 6.5mm；
5) powder is burnt into：It is burnt into the tunnel oven continuously run, 1210 DEG C of maximum sintering temperature, keeps the temperature 2h；
6) blank demoulds：Semi-finished product in kiln car, that is, exterior insulation blank is taken out, foamed ceramic heat preservation is placed
Plate blank region, it is to be processed；
7) blank is cut：Using automatic gas cutting machine by exterior insulation blank, regular shape is cut into, obtains hair
Steep ceramic thermal insulation board finished product.
After tested, exterior insulation bulk density 198Kg/m manufactured in the present embodiment3, compression strength 0.78MPa,
Thermal conductivity coefficient 0.075W/ (m ﹒ K), combustibility reaches A1 grades of standards.Have the characteristics that high-strength light and good heat insulating, meets
Construct the requirement of energy saving building heat-preserving wall.
Embodiment 3
In the present embodiment, full solid waste exterior insulation of the preparation based on ceramic polished slag is raw materials used and proportioning is：
The weight ratio of full solid waste powder and water is 1：0.6, the weight percentage of each component is in full solid waste powder：It throws
Light slag 84.5%, gangue 10%, blast furnace ash 5%, SiC dust-removing powders 0.5%.
The method for preparing exterior insulation using above-mentioned raw materials, includes the following steps：
1) raw material is uniform：Four kinds of raw materials such as slag, gangue, blast furnace ash, SiC dust-removing powders will be polished and stacking field progress uniformly
Processing, obtains four kinds of powders, spare.
2) prepared by slurry：Mixed in proportion by four kinds of powders obtained by step (1), then be proportionally added into water, with ball mill into
Row wet ball grinding, Ball-milling Time 12h, obtains slurry；
3) it is spray-dried：After the good slurry sieving of ball milling, it is dried into spray drying tower, drying tower temperature is
600 DEG C, mixing blank is made, the mesh number for the sieve used that is sieved is 120 mesh；
4) blank loading of kiln：It pours dried mixing blank into kiln car and strikes off, fabric thickness 7mm；
5) powder is burnt into：It is burnt into the tunnel oven continuously run, 1210 DEG C of maximum sintering temperature, keeps the temperature 1.5h；
6) blank demoulds：Semi-finished product in kiln car, that is, exterior insulation blank is taken out, foamed ceramic heat preservation is placed
Plate blank region, it is to be processed；
7) blank is cut：Using automatic gas cutting machine by exterior insulation blank, regular shape is cut into, obtains hair
Steep ceramic thermal insulation board finished product.
After tested, exterior insulation bulk density manufactured in the present embodiment is 173Kg/m3, compression strength is
0.46MPa, thermal conductivity coefficient are 0.07W/ (m ﹒ K), and combustibility reaches A1 grades of standards.With high-strength light and good heat insulating
Feature meets the requirement for constructing energy saving building heat-preserving wall.
Claims (6)
1. a kind of full solid waste exterior insulation based on ceramic polished slag, it is characterised in that：The raw material of the thermal insulation board be by
Full solid waste powder is with water according to 1:The weight ratio of (0.4-0.6) mixes；Weight percentage, the full solid waste powder
Material composition is as follows：
The suspending agent is one or more of oil shale, gangue and laterite；
The foam stabilizer is one or both of blast furnace ash and converter ash；
The foaming agent is one or both of SiC dust-removing powders and waste gypsum powder.
2. the full solid waste exterior insulation according to claim 1 based on ceramic polished slag, it is characterised in that：It is described
Bulk density≤200Kg/m of exterior insulation3, compression strength >=0.3MPa, thermal conductivity coefficient≤0.075W/ (m ﹒ K).
3. the preparation method of the full solid waste exterior insulation according to claim 1 based on ceramic polished slag, special
Sign is：This method comprises the following steps：
(1) full solid waste powder homogenizing processing：Full solid waste powder is polished into slag, suspending agent, foam stabilizer and foaming agent and is stacking field point
It is not homogenized processing, obtains four kinds of powders, it is spare；
(2) prepared by slurry：Four kinds of powders obtained by step (1) are mixed according to required ratio, according still further to ratio upon mixing complete
Water is added in solid waste powder, carries out wet ball grinding with ball mill, 3~15h of Ball-milling Time obtains slurry；
(3) it is spray-dried：After the good slurry sieving of ball milling, it is dried into spray drying tower, spray drying tower temperature is
500~600 DEG C, mixing blank is made；
(4) blank loading of kiln：It pours dried mixing blank into kiln car and strikes off, 4~8mm of fabric thickness；
(5) powder is burnt into：It is burnt into the tunnel oven continuously run, 1170~1210 DEG C of firing temperature, keeps the temperature 1~3h, obtain
Exterior insulation blank；After blank is demoulded and cut, exterior insulation finished product is obtained.
4. the preparation method of the full solid waste exterior insulation according to claim 3 based on ceramic polished slag, special
Sign is：In step (1), the homogenizing processing procedure is the suspension of polishing slag and different regions that different ceramics factories are discharged
Agent, foam stabilizer and foaming agent respectively material storage yard using forklift by repeatedly stir make each solid waste overall chemical at
Part is consistent.
5. the preparation method of the full solid waste exterior insulation according to claim 3 based on ceramic polished slag, special
Sign is：In step (3), the mesh number for the sieve used that is sieved is 100~200 mesh.
6. the preparation method of the full solid waste exterior insulation according to claim 3 based on ceramic polished slag, special
Sign is：In step (5), the knockout course is：Semi-finished product in kiln car, that is, exterior insulation blank is taken out, is placed
Exterior insulation blank region, it is to be processed；The cutting process is：Using automatic gas cutting machine by exterior insulation hair
Base cuts into required regular shape, obtains exterior insulation finished product.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107954695A (en) * | 2017-12-11 | 2018-04-24 | 辽宁利盟高科新材料有限公司 | A kind of inorfil activeness and quietness polishing slag base foamed ceramic plate 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 |
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| CN112209734A (en) * | 2019-07-11 | 2021-01-12 | 内蒙古建能兴辉陶瓷有限公司 | Method for preparing foamed ceramic material by completely utilizing industrial solid waste |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101186519B (en) * | 2007-12-14 | 2012-02-15 | 华南理工大学 | Porous ceramic material and preparation method thereof |
| CN102295471B (en) * | 2011-06-17 | 2014-04-23 | 甘伟 | Foaming ceramics material prepared through adopting polishing ceramic slags as main raw material, and preparation method thereof |
| CN102887721B (en) * | 2012-10-22 | 2014-06-25 | 广西碳歌环保新材料股份有限公司 | Foamed ceramic insulation board and preparation method thereof |
| CN103011876B (en) * | 2012-11-23 | 2014-11-05 | 佛山欧神诺陶瓷股份有限公司 | Heat-insulation foamed ceramic plate and preparation method thereof |
| CN103396150B (en) * | 2013-07-30 | 2015-02-18 | 河南煤业化工集团研究院有限责任公司 | Method for preparing foam ceramic self-insulation wall material by utilizing solid wastes |
| CN105174811A (en) * | 2015-08-28 | 2015-12-23 | 佛山市禾才科技服务有限公司 | Water permeable brick and preparation method thereof |
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| CN107954695A (en) * | 2017-12-11 | 2018-04-24 | 辽宁利盟高科新材料有限公司 | A kind of inorfil activeness and quietness polishing slag base foamed ceramic plate and preparation method thereof |
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