CN101830725B - Light thermal-insulation ceramic tiles and preparation method thereof - Google Patents

Light thermal-insulation ceramic tiles and preparation method thereof Download PDF

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Publication number
CN101830725B
CN101830725B CN 201010147180 CN201010147180A CN101830725B CN 101830725 B CN101830725 B CN 101830725B CN 201010147180 CN201010147180 CN 201010147180 CN 201010147180 A CN201010147180 A CN 201010147180A CN 101830725 B CN101830725 B CN 101830725B
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China
Prior art keywords
ceramic tiles
component
weight
light thermal
raw
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CN 201010147180
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Chinese (zh)
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CN101830725A (en
Inventor
徐博
曹建尉
李要辉
梁力
梁华巍
梁开明
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北京盛康宁科技开发有限公司
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Publication of CN101830725A publication Critical patent/CN101830725A/en
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Abstract

The invention discloses light thermal-insulation ceramic tiles, which are prepared by using the following raw materials in percentage by weight: 60.0 to 90.0 percent of ceramic tile raw material, 2.0 to 10.0 percent of additive, 10 to 20 percent of pore-forming material and 0.01 to 2 percent of foaming agent. The ceramic tiles are light, nonabsorbent, heat-proof, fire retardant, nontoxic, harmless, chemical corrosion resistance and mouldproof. The ceramic tiles have a small conductivity factor, stable performance and high mechanical strength. The ceramic tiles are low in cost, simple in process, convenient and quick in construction and good in decoration effect.

Description

A kind of light thermal-insulation ceramic tiles and preparation method thereof
Technical field
The present invention relates to a kind of light thermal-insulation ceramic tile and preparation method thereof, purpose is to prepare a kind of light thermal-insulation ceramic tile that integrates insulation, heat insulation, waterproof, protection against the tide, decorates.
Background technology
China's building energy consumption has accounted for 30% of total energy consumption at present, and building energy conservation has become the emphasis of energy-saving and emission-reduction.Development of new heat-preserving energy-saving wall material, the heat-insulating property that improves exterior wall is significant to realizing building energy conservation.A large amount of engineering practices prove that wall thermal insulation technology is an optimal path of realizing building energy conservation heat insulation.
Existing ceramic veneer density is 2.5g/cm 3About, fine and close face brick has increased the weight of body of wall.The present invention is a main raw material with the ceramic tile raw material, through in ceramic veneer, introducing pore, preparation light thermal-insulation ceramic tile.Both reduce tile density, because of the existence of a large amount of pores, reduced the ceramic tile thermal conductivity again, obtained wall thermal insulating effect preferably.
Gained light-weight insulating brick of the present invention is a characteristic with the unicellular structure, has effects such as heat insulation, energy-conservation.The present invention has solved in the closed pore Bubble Formation Process through the reasonable raw material proportioning, and ceramic tile shrinks earlier, product that after causes distorts, and gained tile appearance rule is smooth.
The present invention need not do bigger change to existing ceramic tile production line, can make full use of existing Production Line ability, and production process cleans, energy consumption is little, can effectively reduce the production cost of heat preserving ceramic.
Summary of the invention
The present invention grows up on the basis of high temperature foaming technique, is that staple prepares the light thermal-insulation ceramic tile with the ceramic tile raw material.Its technical scheme is, at first with the raw material proportional mixing, add water after ball milling process distributed slurry, spraying drying then, compression moulding on press, through dry, burn till, annealing obtains the lightweight ceramic tile.Adjustment Ceramic Material and the ratio of additive and the kind and the consumption of whipping agent can make different foam structures, reach the purpose of insulation, sound-insulating and heat-insulating.
To achieve these goals, invention thinking of the present invention is: the present invention uses whipping agent and pore-forming material simultaneously, suppresses the volume change in the lightweight ceramic tile sintering process, thereby keeps the regular profile of foamed ceramic tile.Its originality is that pore-forming material makes base substrate contain short texture in the compression molding process, perhaps the part volatilization disappears in sintering process, makes base substrate stay the cavity; The gas part that whipping agent produces in sintering process gets in the cavity of pore-forming material generation, and matrix that a part arranges around it forms CAB.Both actings in conjunction, volume change reaches the distortion that brings thus in the inhibition sintering process.
The technical process of embodiment and technology of preparing is following:
(1) batching: according to the accurate weighing raw materials of composition proportion; Staple is production ceramic tile raw material, and the about 1150-1220 of practical firing temperature ℃, add-on is 60-90%; Additive comprises wilkinite, water glass, fluorite etc., and weight ratio is (0-5): (0-5): (0-5), get wherein one or more; Pore-forming material comprises zeyssatite, perlite, sawdust, stone flour (staple CaCO 3) etc., get wherein one or more, total add-on is 10-20%, if pore-forming material is more than one, then the weight ratio between each main raw material is (0-10): (0-15): (0-5): (0-10); Whipping agent adopts gypsum, permanent white, SiC fine powder etc., gets wherein one or more, and total add-on is 0.01%-2%, and the weight ratio between each raw material is (0-5): (0-5): (0.01-2).
(2) ball milling: in the starting material that prepare, add the water that is equivalent to raw-material weight 50% and carry out ball milling, obtain powder particles less than 200 purpose slips;
(3) granulation: the slip that ball milling is good gets into drying tower and carries out spray granulating and drying, and the particle powder that obtains draws off from the discharge port of drying tower.
(4) compression molding: will go out tower particle powder and be input to and carry out compression molding in the mould, and obtain ceramic green.
(5) go into klining: ceramic green oven dry back gets into calcining kiln (can be roller kiln, shuttle kiln etc.), and maximum sintering temperature is 1150-1220 ℃, and general firing time is 20-90min, obtains light thermal-insulation ceramic tile finished product.
Beneficial effect of the present invention and advantage are:
(1) in light weight, do not absorb water, heat resistant fire-proof, nontoxic, does not go mouldy at resistance to chemical attack
The employing inorganic materials is processed, and acid-alkali-corrosive-resisting can not produce toxic gas, density≤0.99g/cm 3, be to the complete harmless fireproof building material of human body.
(2) little, the stable performance of thermal conductivity, physical strength is high
Thermal conductivity≤0.155W/mK (0 ℃), the expansion shrinking percentage is near cement and iron and steel, and ultimate compression strength surpasses 5MPa, is fit to the lagging material of cement and color steel building.
(3) with low cost, technology is simple
Use the ceramic tile raw material as staple, can on ceramic roller kiln, burn till rapidly, less to existing ceramic production line change, can make full use of existing production capacity.
(4) construction is convenient, good decorating effect
Be prone to combine with body of wall adhesives such as cement, basic identical with the constructional method of traditional sticking brick.Color is abundant, any surface finish, the also decorative pattern of surface compacting according to actual needs.The present invention is used for skin, can play good heat insulating effect, also can alleviate the weight of exterior wall surface, has vast market prospect.
Embodiment
Describe the present invention particularly with embodiment below, scope of the present invention does not receive the restriction of embodiment.
Embodiment 1
Formula rate is following: ceramic tile raw material 80%, perlite 10%, water glass 0.03%, wilkinite 5%, stone flour 5%, silit 0.15%.Wherein, the ceramic tile raw ingredients is: 72.0%SiO 2, 14.0%Al 2O 3, 1.3%CaO, 1.6%MgO, 3.7%K 2O and 2.7%Na 2O, burning decrement 3.7%.Prepare raw material in proportion, put into ball mill and fully grind, then spraying drying.Compression moulding on common exterior wall tile production line, dry back gets into roller kiln and burns till.Burn till total time 35min, 1200 ℃ of firing temperatures wherein rise to 1000 ℃ of about 12min of time spent, 1000 ℃ to 1200 ℃ about 8min of time spent.Products obtained therefrom apparent density 0.98g/cm 3, the average about 0.5mm of bubble diameter, thermal conductivity is 0.153W/mK.
Embodiment 2
Formula rate is following: ceramic tile raw material 70%, perlite 20%, wilkinite 5%, gypsum 3%, sawdust 2%, silit 0.2%.The ceramic tile raw ingredients is: 69.3%SiO 2, 16.2%Al 2O 3, 1.7%CaO, 1.1%MgO, 2.6%K 2O and 1.4%Na 2O, burning decrement 7.7%.Prepare raw material in proportion, put into planetary ball mill and fully grind, dry back compression moulding.Burn till total time 60min, 1180 ℃ of firing temperatures wherein rise to 1000 ℃ of about 20min of time spent, and 1000 ℃ to 1180 ℃ about 15min of time spent are incubated about 5min.Products obtained therefrom apparent density 0.92g/cm 3, the average about 1mm of bubble diameter.
Embodiment 3
Formula rate is following: ceramic tile raw material 60%, perlite 20%, zeyssatite 10%, wilkinite 5%, fluorite 3%, permanent white 2%, silit 0.1%.The ceramic tile raw ingredients is: 76.0%SiO2,12.0%Al2O3,1.2%CaO, 2.3%MgO, 2.5%K2O and 2.0%Na2O, burning decrement 4.0%.Prepare raw material in proportion, put into planetary ball mill and fully grind, dry back compression moulding.Burn till total time 90min, 1180 ℃ of firing temperatures wherein rise to 1000 ℃ of about 60min of time spent, and 1000 ℃ to 1180 ℃ about 20min of time spent are incubated about 10min.Products obtained therefrom apparent density 0.88g/cm 3, the average about 1mm of bubble diameter, thermal conductivity is 0.14W/mK.

Claims (6)

1. light thermal-insulation ceramic tiles is characterized in that it is processed by following raw materials by weight percent:
Ceramic tile raw material 60.0-90.0%
Additive 2.0%-10.0%
Pore-forming material 10-20%
Whipping agent 0.01%-2%;
Said additive comprises one or more in wilkinite, water glass, the fluorite, and the weight part ratio between its each component is (0-5): (0-5): (0-5);
Said pore-forming material comprises one or more in zeyssatite, stone flour, perlite, the sawdust, and the weight ratio between its each component is (0-10): (0-15): (0-5): (0-10);
Said whipping agent is one or more in gypsum, permanent white and the SiC fine powder, and the weight ratio between each component is (0-5): (0-5): (0-2).
2. light thermal-insulation ceramic tiles according to claim 1 is characterized in that, said ceramic tile raw material weight percent component is: 65.0-77.0%SiO 2, 11.0-17.0%Al 2O 3, 1.0-2.0%CaO, 1.0-3.0%MgO, 1.0-4.5%K 2O and 1.0-3.5%Na 2O, the weight percent sum of each component is 100%.
3. light thermal-insulation ceramic tiles according to claim 1 and 2 is characterized in that said additive comprises more than one in wilkinite, water glass, the fluorite, and the weight part ratio between its each component is (0.1-5): (0.1-5): (0.1-5).
4. light thermal-insulation ceramic tiles according to claim 1 and 2 is characterized in that, said whipping agent is one or more in gypsum, permanent white and the SiC fine powder, and the weight ratio between each component is (0.1-5): (0.1-5): (0.01-2).
5. the preparation method of the described light thermal-insulation ceramic tiles of claim 1 is characterized in that, said step is following:
With ceramic tile raw material, additive, pore-forming material and whipping agent uniform mixing, ball milling is processed the fine powder slurry; Granulating and drying, compression molding more then; Green compact burn till in roller kiln or shuttle kiln after drying, and firing temperature is 1150-1220 ℃, and firing time is 25-90min; Burn till back base substrate expansion 10%-30%, the inner closed-cell foam structure that forms, outside surface is smooth because of the porcelain maintenance.
6. method according to claim 5 is characterized in that, said ball milling is that the water that in confected materials, adds 50% raw material weight carries out ball milling, obtains powder particles less than 200 purpose slips.
CN 201010147180 2010-04-13 2010-04-13 Light thermal-insulation ceramic tiles and preparation method thereof CN101830725B (en)

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Families Citing this family (11)

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CN102115338B (en) * 2010-12-17 2013-06-05 郑州大学 Glazed self-insulation foamed ceramic composite wall material and preparation method thereof
CN102786316B (en) * 2012-08-13 2014-04-09 宁波振强建材有限公司 Manufacturing method of recycled foam material using granite powder as raw material
CN102942383B (en) * 2012-10-29 2014-04-02 中国科学院过程工程研究所 Porous ceramic-microcrystalline glass composite insulation decorative plate and preparation method thereof
CN102964112A (en) * 2012-11-26 2013-03-13 中国铝业股份有限公司 Method for producing light-weight insulating brick
CN103145434B (en) * 2013-04-03 2014-05-21 武汉科技大学 Aluminum oxide lightweight, heat-insulating and refractory product and preparation method thereof
CN103232228B (en) * 2013-04-26 2014-06-18 山东大学 Preparation method of porous aluminum oxide composite ceramic
CN104326762B (en) * 2014-10-21 2016-04-20 山东理工大学 A kind of preparation method of high purity quartz foamed ceramic
CN106242517B (en) * 2016-08-05 2019-01-15 鄂尔多斯市同圆库布其生态工业治沙有限责任公司 Drift-sand recycles Antique Imitation Tiles and its production method
CN106316374B (en) * 2016-08-05 2019-02-22 鄂尔多斯市同圆库布其生态工业治沙有限责任公司 Drift-sand recycles internal wall brick and its production method
CN106437070B (en) * 2016-09-18 2019-01-29 广西天品科技有限公司 Sound insulation Ceramic Tiles
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

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WO2007043022A2 (en) * 2005-10-12 2007-04-19 Institut National Interuniversitaire Des Silicates, Sols Et Materiaux (I.N.I.S.Ma.), A.S.B.L. Method for producing a porous ceramic material and material obtained thereby
CN101003433A (en) * 2006-12-26 2007-07-25 毛海燕 Ceramic bricks possessing function of heat insulation and preservation, and preparation method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007043022A2 (en) * 2005-10-12 2007-04-19 Institut National Interuniversitaire Des Silicates, Sols Et Materiaux (I.N.I.S.Ma.), A.S.B.L. Method for producing a porous ceramic material and material obtained thereby
CN101003433A (en) * 2006-12-26 2007-07-25 毛海燕 Ceramic bricks possessing function of heat insulation and preservation, and preparation method

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