CN1182076C - Method for preparing light ceramic material and use thereof - Google Patents
Method for preparing light ceramic material and use thereof Download PDFInfo
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- CN1182076C CN1182076C CNB021168601A CN02116860A CN1182076C CN 1182076 C CN1182076 C CN 1182076C CN B021168601 A CNB021168601 A CN B021168601A CN 02116860 A CN02116860 A CN 02116860A CN 1182076 C CN1182076 C CN 1182076C
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- ceramic material
- light ceramic
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Abstract
The present invention relates to a light ceramic material for chemical fillers, catalyst carriers, filtering equipment, heat-insulating equipment, sound-insulating equipment and radiation equipment. The formula of the light ceramic material comprises magnesium clay, floating balls, pearl stone powder, pore-forming agents and adhesives. The light ceramic material is prepared through mixing, ball milling, drying by means of press, forming, baking and sintering. The present invention has the advantages of light weight, heat resistance, cold resistance, high strength, strong corrosion resistance, no deformation, good heat insulating property, good sound insulating property, low cost, convenient manufacture, etc. The light ceramic material can replace ordinary ceramic, wooden, metal and plastic products.
Description
Technical field
The present invention relates to a kind of stupalith and manufacture method thereof and purposes, can be used for chemical industry.Fields such as metallurgy, the energy, environmental protection, communications and transportation, building materials.
Background technology
In present prior art, the material that can be used for fields such as chemical industry, metallurgy, the energy, environmental protection, communications and transportation, building materials has conventional ceramic, plastics, metal, timber and other matrix material etc., and these materials each have different shortcomings.Ratio as conventional ceramic is great, and is broken easily, is difficult for cutting, not anti-rapid heat cycle; The plastics non-refractory, easily aging, work-ing life is short; Metal is not than great, and thermal and insulating performance is poor, and is corrosion-resistant or involve great expense; Timber valency height, and be unfavorable for the state guarantee forest reserves.The conservation of soil and water and maintaining ecological balance; The composite technology complexity, involve great expense.Chinese patent application 90100141.4 has proposed a kind of porous packing made from light porcelain.This application has solved some shortcomings of above-mentioned materials to a certain extent, but also there are some shortcomings in itself, this scheme poor plasticity for example, can not random molding, can only use the moulding of hydropress hydraulic pressure dry powder, not only production efficiency is low, and because the product wall of moulding is thicker, make that the weight of product unit volume of this scheme is still bigger, can only be at chemical filler.Field such as support of the catalyst, ceramic for filtration obtains certain application.
Summary of the invention
The purpose of this invention is to provide a kind of in light weight, heat-resisting, cold-resistant, high strength, erosion resistance is strong.Indeformable, thermal and insulating performance good, sound-proofing properties good, cost is low, easy to make.Nontoxic light ceramic material and manufacture method thereof and purposes.
In order to achieve the above object, the technical solution adopted in the present invention is as follows: in the prescription of light ceramic material except comprising attaclay, float pearl, the perlite powder, also comprising pore former and binding agent.Wherein: the light specific gravity of attaclay with perlite powder with to float the pearl binding ability strong, is the indispensable starting material of light ceramic material, does not find attaclay, perlite powder as yet at present, floats these three kinds of inorganic ceramic materials that materials combination is burnt till of pearl.The main chemical composition of attaclay is SiO
2And MgO, the content of MgO＞8% (weight) wherein, SiO
2Content＞60% (weight).The main component of floating pearl is SiO
2And Al
2O
3And ceramic composition is similar, and hollow, quality is light, particle diameter is little, flowability is big, corrosion resistant, high temperature resistant, resistance to compression, can alleviate the proportion of light ceramic material, also can play insulation, sound damping effect, is the indispensable starting material of light ceramic material.The quality of perlite powder is light, can reduce the proportion of light ceramic material.Pore former is combustiblematerialss such as coal dust, wood sawdust, wood charcoal powder, sugar.After the pore former burning volatilization, in light ceramic material, stay micropore, both can alleviate the proportion of light ceramic material, also can play the sound damping effect.Pore former is optimum with coal dust, and coal dust and water have oiliness after mixing, and can play certain cohesive action, have increased the plasticity-of light ceramic material work in-process mud.For binding agent because the viscosity of attaclay is not strong, and float pearl and the perlite powder quality is very light, mobile big, do not have viscosity, must adding additives in the light ceramic material, with attaclay, float pearl.Perlite powder, coal dust bond, and make that light ceramic material toughness is big, plasticity-good, can the extrusion molding of enough vacuum deairing machine vacuum thin walls, and easy to make.Binding agent can adopt the strong clay of viscosity, such as clay and the clay of Guangdong product or both mixing of local Nan Keng product.
The weight percent of above-mentioned five kinds of components is as follows: attaclay 20-70%; Float pearl 150%; Perlite powder 1-30%; Pore former 1-30%; Binding agent 1-50%.
Manufacture method of the present invention is: at first put into ball mill according to the prescription batching, carry out ball milling after pouring suitable quantity of water into, press son by the slurry of slip drying press after subsequently and promptly obtain this material ball milling, use field and different the requirement to make difform work in-process according to difference this material again, be sintered into the light ceramics product in different uses field after the oven dry.
Main chemical composition of the present invention is SiO
2, Al
2O
3, MgO, wherein SiO
2Amount be 50-85% (weight), Al
2O
3Amount be 5-25% (weight), the amount of MgO is 5-25% (weight), other component that the present invention contained can further comprise the oxide compound of metals such as Fe, Ca, K, Na, Ti.
Light ceramic material of the present invention can replace conventional ceramic, plastics, metal, timber and other matrix material to make various chemical fillers or support of the catalyst, also can be used on filter plant.In heat-preserving equipment, noise insulation equipment, the heat dissipation equipment.
But because light ceramic material vacuum thin wall extrusion molding, can produce the chemical filler of different shape easily with light ceramic material, make its unit weight lighter and specific surface area is bigger, and have good, high temperature resistant, the anti-rapid heat cycle of acid-fast alkali-proof organic solvent resistance, long service life, high adsorption capacity, washing effect good, advantage such as can cut.
The support of the catalyst that is made with light ceramic material owing to have micropore, makes specific surface area big, and excellent catalytic effect can not produce poisoning of catalyst, and has acidproof, alkaline-resisting, organic solvent-resistant, advantage such as high temperature resistant.
Because light ceramic material has equally distributed perforate and closed pore, and percentage of open area and rate of closed hole can change by the adjustment of raw material ratio, thereby light ceramic material also can be used for filter plant, in heat-preserving equipment, noise insulation equipment, the heat dissipation equipment, all have advantages such as in light weight, acidproof, alkaline-resisting, organic solvent-resistant, high temperature resistant, long service life.
Embodiment
(embodiment 1)
The composition of starting material (representing): attaclay 50%, float pearl 12%, perlite powder 8%, coal dust 20%, local clay 10% with weight percent.
By above-mentioned prescription starting material are put into ball mill, add suitable quantity of water and carry out ball milling, drain and become this material.Then: the chemical filler work in-process that 1, can squeeze out different shape with vacuum deairing machine; 2, can be twisted into the spherical carrier of catalyst work in-process; 3, can dry the back is pressed into ceramic filter brick plate with hydropress work in-process; 4, can be made into the work in-process of the ceramic heat-dissipating sheet in power plant's water cooling tower; 5, can be made into sound insulation work in-process on the motorway.Then above-mentioned work in-process are sintered into the light ceramics product in different uses field.
Claims (6)
1. light ceramic material, it is characterized in that: by attaclay, float pearl, perlite powder, pore former, binding agent and form for the combination of raw materials sintering, their weight percent prescription is attaclay 20-70%, float pearl 1-50%, perlite powder 1-30%, pore former 1-30%, binding agent 1-50%, main chemical composition is SiO
2, Al
2O
3, MgO, wherein SiO
2Amount be 50-85% (weight), Al
2O
3Amount be 5-25% (weight), the amount of MgO is 5-25% (weight).
2. light ceramic material according to claim 1 is characterized in that: pore former is coal dust, wood sawdust, wood charcoal powder or chaff.
3. light ceramic material according to claim 1 is characterized in that: binding agent is a clay.
4. according to the described light ceramic material of one of claim 1 to 3, it is characterized in that: the component of this light ceramic material also has the metal oxide of Fe, Ca, K, Na, Ti.
5. the purposes of light ceramic material according to claim 1 is characterized in that: as moulding chemical filler, spherical carrier of catalyst, ceramic filter brick plate, motorway sound insulation with product or ceramic heat-dissipating sheet.
6. the manufacture method of light ceramic material according to claim 1, the steps include: with starting material by the proportioning prescription after, through ball milling, drain, moulding, oven dry, sintering and make finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021168601A CN1182076C (en) | 2002-04-16 | 2002-04-16 | Method for preparing light ceramic material and use thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021168601A CN1182076C (en) | 2002-04-16 | 2002-04-16 | Method for preparing light ceramic material and use thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1418853A CN1418853A (en) | 2003-05-21 |
| CN1182076C true CN1182076C (en) | 2004-12-29 |
Family
ID=4744266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021168601A Expired - Lifetime CN1182076C (en) | 2002-04-16 | 2002-04-16 | Method for preparing light ceramic material and use thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1182076C (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100368338C (en) * | 2003-08-08 | 2008-02-13 | 江苏艺兴紫砂陶股份有限公司 | Light, heat-insulating, sound-proofing environmentally-friendly ceramic product and its manufacture process |
| CZ298960B6 (en) * | 2003-12-03 | 2008-03-19 | Process for preparing expanded mixture of starting materials for producing ceramic articles | |
| WO2006021127A1 (en) * | 2004-08-24 | 2006-03-02 | Yang Cao | A method for producing a soundproof product and its production |
| CN101328083B (en) * | 2008-07-18 | 2012-03-21 | 詹振明 | Magnesium-aluminum biscuit firing carcass, crystallization agent prepared with the carcass, and matt colored glaze prepared with the crystallization agent |
| CN101973770A (en) * | 2010-09-14 | 2011-02-16 | 浙江锦诚耐火材料有限公司 | Formula of light fire-resistant alkali-resistant pouring material |
| AT512112A1 (en) | 2011-10-20 | 2013-05-15 | Horst Wustinger | CERAMIC MASS |
| 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 |
| CN104016699A (en) * | 2014-06-16 | 2014-09-03 | 芜湖市华泰实业有限公司 | High-porosity porous ceramic filter material and preparation method thereof |
| CN106220220B (en) * | 2016-07-29 | 2018-11-02 | 醴陵市鑫磊工业陶瓷有限公司 | A kind of preparation method of anti-acid white filter block |
-
2002
- 2002-04-16 CN CNB021168601A patent/CN1182076C/en not_active Expired - Lifetime
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| Publication number | Publication date |
|---|---|
| CN1418853A (en) | 2003-05-21 |
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| PB01 | Publication | ||
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| CX01 | Expiry of patent term |
Granted publication date: 20041229 |