CN102887721B - Foamed ceramic insulation board and preparation method thereof - Google Patents
Foamed ceramic insulation board and preparation method thereof Download PDFInfo
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- CN102887721B CN102887721B CN201210403374.9A CN201210403374A CN102887721B CN 102887721 B CN102887721 B CN 102887721B CN 201210403374 A CN201210403374 A CN 201210403374A CN 102887721 B CN102887721 B CN 102887721B
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Abstract
The invention discloses a foamed ceramic insulation board and a preparation method thereof. The foamed ceramic insulation board comprises a foamed ceramic base board which is composed of the following materials in parts by weight: 40-75 parts of ceramic brick polishing slag, 10-40 parts of feldspar, 3-6 parts of calcined talc, 4-10 parts of red clay, 0-2 parts of fluorite, 1-2 parts of lithium feldspar, 1-3 parts of carborundum and 2-4.5 parts of stabilizers. The materials are subjected to the processes of homogenizing, ball milling, drying, setting, sintering and cutting to form the foamed ceramic base board. The foamed ceramic insulation board has a low heat conduction coefficient, is non-combustible and non-permeable, has a property of shielding and blocking vapor and liquid, has the properties of fire prevention, water prevention, acid-base resistance, weathering resistance and the like, has the characteristics of high strength and the like, thereby being an ideal heat-preservation and heat-insulating material.
Description
Technical field
The present invention relates to wall heat insulation material field, be specifically related to a kind of exterior insulation and preparation method thereof.
Background technology
Along with social progress, people go deep into gradually for the concept of environmental protection.Wall heat insulation material is the novel wall lagging material of development in recent years, when its role is to save material, can improve wall insulation performance, and can economize on resources, and reduces environmental pollution.Foam ceramic thermal insulation material is a kind of type material that development in recent years is got up, and has that void content is high, thermal conductivity is low, lightweight, hardness is high, an advantage such as anti-thermal shock, high temperature resistant, corrosion-resistant and good physical strength.
Current exterior insulation is taking potter's clay ore deposit as main raw material, adopts the closed pore stupalith of the high porosity that advanced production technique and foaming technique form through high-temperature roasting; Product is applicable to building exterior wall heat preserving, fire-blocking belt, and building self-heat conserving cold-heat bridge processing etc., have overcome that organic materials is not prevented fires, easy aging deadly defect; But this exterior insulation deformation coefficient, anti-aging, with the performance such as plinth course and float coat consistency and safety and firmness on there is defect, cause be affected its work-ing life, use the outward appearance that can affect buildings on buildings after coming off.
Ceramic tile is the conventional material of building, in production process, can produce a large amount of waste residues, and these waste residues, as being discharged in environment without processing, not only can cause the pressure of environment, also can cause environmental pollution, also there is no at present a kind of well solution route.
Summary of the invention
For overcoming the defect of prior art, the object of the present invention is to provide a kind of exterior insulation, utilizing the waste material in Production of Ceramics is main raw material, in turning waste into wealth, improving environmental pollution, improve the performances such as its waterproof, acidproof, wind resistance, and further improve the mechanical property of material itself.
Another object of the present invention is to provide a kind of preparation method of exterior insulation.
The technical solution adopted in the present invention is as follows for achieving the above object:
A kind of exterior insulation, comprise foamed ceramic substrate, described foamed ceramic substrate is to be prepared from by the ceramic tile polishing slag 40-75 part in weight part, feldspar 10-40 part, calcination of talc 3-6 part, laterite 4-10 part, fluorite 0-2 part, lithium feldspar 1-2 part, silicon carbide 1-3 part, stablizer 2-4.5 part raw material.
Preferably, in order to reach best sintering effect, and prepare under suitable firing temperature, described foamed ceramic substrate is to be prepared from by 71.4 parts of the ceramic tile polishing slags in weight part, 13.4 parts of feldspars, 3.6 parts of calcination of talc, 4.5 parts, laterite, 1.8 parts of lithium feldspars, 2.2 parts, silicon carbide, 3.1 parts of raw materials of stablizer.
Preferably, on the upper surface of described foamed ceramic substrate and lower surface, there is respectively the pore of several sealings, the interlaced distribution of upper and lower lip-deep pore.Because having of pore is beneficial to the heat insulation effect of further raising foamed ceramic plate.
Preferably, the thickness of foamed ceramic substrate of the present invention is 2.5-5cm.
By changing the formula of foamed ceramic substrate, further improve the heat insulation effect of exterior insulation, foamed ceramic substrate density of the present invention is 0.15-0.17g/cm
3, under this density, heat insulation effect of the present invention is obviously better than the heat insulation effect of prior art.
In order further to reduce the heat transfer efficiency of warming plate, preferred, the diameter of pore of the present invention is 0.5-4mm.
Ceramic tile polishing slag of the present invention refers to the waste material that in ceramic tile producing process, polishing grinding produces.In preferred scheme, for fear of secondary pollution, the waste material that the exterior insulation of the present invention's processing produces in the time of cutting also can be used as raw material; Wherein ceramic tile polishing slag contains 0-20 part exterior insulation waste material.In the present invention, contriver finds to add feldspar, fluorite and lithium feldspar can reduce the firing temperature in process of making of warming plate, reaches the object that reduces energy consumption; Calcination of talc can be conducive to the foaming of ceramic tile polishing slag, in the time that stablizer is combined, can shorten foamed time at calcination of talc, obtains the warming plate of even foaming; Laterite is equivalent to suspension agent in the present invention, and it can prevent slurry sediment, is conducive to uniform in foaming.
A preparation method for exterior insulation, comprises the following steps:
1) homogenizing of raw material: ceramic tile polishing slag is put to place at polishing slag muck and carry out homogenizing processing;
2) ball milling: after all feed composition are proportionally mixed, be that 1:0.5-0.6 adds water according to the mass ratio of blending ingredients total mass and water, carry out wet ball grinding;
3) dry: raw material good ball milling, after sieving, is entered to spray-drying tower dry;
4) loading of kiln: dried powder, pour kiln car into and strike off;
5) burn till: in continuous tunnel kiln, fire;
6) cutting processing: fire the goods of gained through being cut into needed size.
In order further to improve the uniformity coefficient of foaming, preferred, the order number of the mesh screen used that sieves in step 1) is 200-250 order.
Preferably, the temperature of firing in step 5) is 1130～1180 degree.
Compared to existing technology, beneficial effect of the present invention is: exterior insulation of the present invention, utilize ceramic tile dead meal for raw material, in bubble pottery due to the existence in the hole of holding one's breath, reduce its heat transfer efficiency, make foamed ceramics there is thermal conductivity low, the characteristics such as thermal shock resistance is good, the product obtaining has thermal conductivity low (thermal conductivity is 0.067～0.078), do not fire, non-immersing, water vapour and liquid are had to barrier property, it is a kind of desirable insulation, lagging material, there is fire prevention, waterproof, acid and alkali-resistance, the performances such as weathering resistance, intensity high.It is large that it has well made up existing external-wall heat-insulation material site work amount, and construction is complicated, high cost deficiency, and significantly improved life-span of substantial effect and the buildings of building thermal-insulation energy-saving.Preparation method of the present invention is simple, easily applies, and whole process energy consumption is little.
Below in conjunction with concrete embodiment, the present invention is described in further detail.
Embodiment
A preparation method for exterior insulation, comprises the following steps:
1) homogenizing of raw material: ceramic tile polishing slag is put to place at polishing slag muck and carry out homogenizing processing;
2) ball milling: after all feed composition are proportionally mixed, be that 1:0.5-0.6 adds water according to the mass ratio of blending ingredients total mass and water, carry out wet ball grinding;
3) dry: raw material good ball milling, after sieving, is entered to spray-drying tower dry;
4) loading of kiln: dried powder, pour kiln car into and strike off;
5) burn till: in continuous tunnel kiln, fire;
6) cutting processing: fire the goods of gained through being cut into needed size.
Table 1 is the concrete preferred embodiment of the present invention, is wherein that the concrete formula of strength 1-6 is in table 1.Embodiment 1-6 is prepared according to the method described above.
Table 1: specific embodiment
| Raw material | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 |
| Polishing slag | 40 parts | 71.4 parts | 50 parts | 65 parts | 75 parts | 55 parts |
| Feldspar | 40 parts | 13.4 parts | 32.5 parts | 20.5 parts | 10 parts | 10 parts |
| Laterite | 10 parts | 4.5 part | 4 parts | 4 parts | 5 parts | 6 parts |
| Calcination of talc | 4 parts | 3.6 part | 6 parts | 3.5 part | 3 parts | 3 parts |
| Lithium feldspar | 0 part | 1.8 part | 2 parts | 1 part | 2 parts | 2 parts |
| Fluorite | 2 parts | 0 part | 0 part | 1 part | 0 part | 0 part |
| Silicon carbide | 2 parts | 2.2 part | 1 part | 2 parts | 1.5 part | 1.5 part |
| Stablizer | 2 parts | 3.1 part | 4.5 part | 3 parts | 2.5 part | 2.5 part |
| Ceramic thermal insulation board waste material | 0 | 0 | 0 | 0 | 5 parts | 20 parts |
Above-mentioned enforcement 1-6 is tested the performance of foamed ceramic insulation board according to GB/T5486-2008 " inorganic hard insulate heat development test method ", and test result is in table 2:
Table 2: the performance test results
| Project | Index |
| Density g/cm 3 | 0.15～0.17 |
| Thermal conductivity W/ (m.k) | 0.066～0.078 |
| Combustionproperty | A1 level |
| Water-intake rate % | ≤0.5 |
| Ultimate compression strength MPa | ≥1.5 |
| Folding strength MPa | ≥1.0 |
Above-described embodiment 1-6 is tested to rate of perviousness according to GB/T17146 " material of construction water vapor transmission can be tested "; Test result shows that the rate of perviousness of foamed ceramic insulation board of the present invention is 2.01 × 10
-7-2.41 × 10
-7g/ (m
2sPa).
Above-mentioned embodiment is only the preferred embodiment of the present invention; can not limit the scope of protection of the invention with this, the variation of any unsubstantiality that those skilled in the art does on basis of the present invention and replacement all belong to the present invention's scope required for protection.
Claims (5)
1. an exterior insulation, it is characterized in that: comprise foamed ceramic substrate, on the upper surface of described foamed ceramic substrate and lower surface, have respectively the pore of several sealings, the diameter of described pore is 0.5-4mm, the interlaced distribution of upper and lower lip-deep pore; Foamed ceramic substrate is to be prepared from by the ceramic tile polishing slag 40-75 part in weight part, feldspar 10-40 part, calcination of talc 3-6 part, laterite 4-10 part, fluorite 0-2 part, lithium feldspar 1-2 part, silicon carbide 1-3 part, stablizer 2-4.5 part raw material; The density of described foamed ceramic substrate is 0.15-0.17g/cm
3;
The preparation method's of described exterior insulation step is as follows:
1) homogenizing of raw material: ceramic tile polishing slag is put to place at polishing slag muck and carry out homogenizing processing;
2) ball milling: after all feed composition are proportionally mixed, be that 1:0.5-0.6 adds water according to the mass ratio of blending ingredients total mass and water, carry out wet ball grinding;
3) dry: raw material good ball milling, after 200-250 order mesh screen, is entered to spray-drying tower dry;
4) loading of kiln: dried powder, pour kiln car into and strike off;
5) burn till: in continuous tunnel kiln, fire, the temperature of firing is 1130～1180 degree;
6) cutting processing: fire the goods of gained through being cut into needed size.
2. exterior insulation according to claim 1, is characterized in that: described foamed ceramic substrate is to be prepared from by 71.4 parts of the ceramic tile polishing slags in weight part, 13.4 parts of feldspars, 3.6 parts of calcination of talc, 4.5 parts, laterite, 1.8 parts of lithium feldspars, 2.2 parts, silicon carbide, 3.1 parts of raw materials of stablizer.
3. exterior insulation according to claim 1 and 2, is characterized in that: described foamed ceramic raw substrate also comprises the exterior insulation waste material of 20 parts.
4. exterior insulation according to claim 1 and 2, is characterized in that: the thickness of described foamed ceramic substrate is 2.5-5cm.
5. a preparation method for exterior insulation as claimed in claim 1, is characterized in that, it comprises the following steps:
1) homogenizing of raw material: ceramic tile polishing slag is put to place at polishing slag muck and carry out homogenizing processing;
2) ball milling: after all feed composition are proportionally mixed, be that 1:0.5-0.6 adds water according to the mass ratio of blending ingredients total mass and water, carry out wet ball grinding;
3) dry: raw material good ball milling, after 200-250 order mesh screen, is entered to spray-drying tower dry;
4) loading of kiln: dried powder, pour kiln car into and strike off;
5) burn till: in continuous tunnel kiln, fire, the temperature of firing is 1130～1180 degree;
6) cutting processing: fire the goods of gained through being cut into needed size.
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| CN201210403374.9A CN102887721B (en) | 2012-10-22 | 2012-10-22 | Foamed ceramic insulation board and preparation method thereof |
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| CN201210403374.9A CN102887721B (en) | 2012-10-22 | 2012-10-22 | Foamed ceramic insulation board and preparation method thereof |
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| CN102887721B true CN102887721B (en) | 2014-06-25 |
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Cited By (1)
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| CN109485450A (en) * | 2018-12-06 | 2019-03-19 | 广东华陶建材有限公司 | Foamed ceramic partition plate and preparation method thereof |
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|---|---|---|---|---|
| CN103193501B (en) | 2013-04-11 | 2014-08-06 | 广东蒙娜丽莎新型材料集团有限公司 | Low-temperature fast-fired lightweight ceramic heat insulation plate and preparation method thereof |
| CN105130383A (en) * | 2015-07-15 | 2015-12-09 | 郑州振东科技有限公司 | Production method of foamed ceramic heat-insulation integrated building masonry |
| CN105399438A (en) * | 2015-12-09 | 2016-03-16 | 文登蓝岛建筑工程有限公司 | Foamed ceramic sheet with high porosity and uniform pore distribution and preparation method thereof |
| CN105439617A (en) * | 2015-12-09 | 2016-03-30 | 文登蓝岛建筑工程有限公司 | Foaming ceramic heat-insulation board and preparation method thereof |
| CN105948704B (en) * | 2016-04-21 | 2018-09-25 | 辽宁利盟高科新材料有限公司 | A kind of full solid waste exterior insulation and preparation method thereof based on ceramic polished slag |
| CN107500726A (en) * | 2017-09-30 | 2017-12-22 | 辽宁利盟高科新材料有限公司 | A kind of small-bore exterior insulation and preparation method thereof |
| CN107573093A (en) * | 2017-09-30 | 2018-01-12 | 辽宁利盟高科新材料有限公司 | A kind of foamed ceramic partition plate containing feldspar ore and polishing slag and preparation method thereof |
| CN110436938A (en) * | 2019-08-26 | 2019-11-12 | 广西碳歌环保新材料股份有限公司 | Foamed ceramic wallboard and preparation method thereof |
| CN112759413A (en) * | 2020-12-25 | 2021-05-07 | 山东晟世达科技有限公司 | Foamed ceramic prepared by using polishing slurry as base material and preparation method thereof |
| CN116283226A (en) * | 2023-04-12 | 2023-06-23 | 国发环保新材料(江门)有限公司 | Formula and process for preparing foamed ceramic by using aluminum ash and ceramic polishing slag |
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| CN101016212A (en) * | 2006-12-29 | 2007-08-15 | 霍镰泉 | Foaming material composition for preparing natural cavity stone imitation ceramic tile |
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| CN102887721A (en) | 2013-01-23 |
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