CN102491773A - High-crystal mullite-iolite high-temperature industrial ceramic and production method for same - Google Patents
High-crystal mullite-iolite high-temperature industrial ceramic and production method for same Download PDFInfo
- Publication number
- CN102491773A CN102491773A CN2011104222623A CN201110422262A CN102491773A CN 102491773 A CN102491773 A CN 102491773A CN 2011104222623 A CN2011104222623 A CN 2011104222623A CN 201110422262 A CN201110422262 A CN 201110422262A CN 102491773 A CN102491773 A CN 102491773A
- Authority
- CN
- China
- Prior art keywords
- accounts
- powder
- fire
- combines
- interstitial substance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/16—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay
- C04B35/18—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay rich in aluminium oxide
- C04B35/195—Alkaline earth aluminosilicates, e.g. cordierite or anorthite
-
- 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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/16—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay
- C04B35/18—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay rich in aluminium oxide
- C04B35/185—Mullite 3Al2O3-2SiO2
-
- 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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/64—Burning or sintering processes
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3206—Magnesium oxides or oxide-forming salts thereof
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3239—Vanadium oxides, vanadates or oxide forming salts thereof, e.g. magnesium vanadate
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3244—Zirconium oxides, zirconates, hafnium oxides, hafnates, or oxide-forming salts thereof
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/327—Iron group oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3272—Iron oxides or oxide forming salts thereof, e.g. hematite, magnetite
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3427—Silicates other than clay, e.g. water glass
- C04B2235/3463—Alumino-silicates other than clay, e.g. mullite
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3427—Silicates other than clay, e.g. water glass
- C04B2235/3463—Alumino-silicates other than clay, e.g. mullite
- C04B2235/3481—Alkaline earth metal alumino-silicates other than clay, e.g. cordierite, beryl, micas such as margarite, plagioclase feldspars such as anorthite, zeolites such as chabazite
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/80—Phases present in the sintered or melt-cast ceramic products other than the main phase
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention relates to a high-crystal mullite-iolite high-temperature industrial ceramic and a production method for the same. Raw materials comprise, by weight, 40-80 parts of main crystal phase materials, 20-60 parts of combined composite substrate materials and an appropriate amount of composite microcrystal nucleating agent. A roasting process of the production method includes a two-stage constant-temperature roasting method and a two-stage composite crystallization synthetic reaction characteristic enhancing process, wherein the two-stage constant-temperature roasting method includes the steps of performing constant-temperature heat preservation for 10-15 hours at the temperature of 200 DEG C, and performing constant-temperature heat preservation for 10-15 hours at the temperature of 500 DEG C; and the two-stage composite crystallization synthetic reaction characteristic enhancing process includes the steps of sintering for 10-15 hours under the ordinary pressure and at the temperature ranging from 1100 DEG C to 1150 DEG C, and sintering for 20-25 hours under the ordinary pressure and at the temperature ranging from 1420 DEG C to 1430 DEG C. A refractory product produced by the method has the advantages of excellent oxidation resistance, high refractoriness, high usage temperature, low thermal expansion coefficient, high compression strength, hypobarism, excellent heat stability, anti-strip performance and high high-temperature bending strength. The process of the method has the advantages of simple process, low cost and suitability for mass production, and is applicable to preparing kiln furniture, industrial ceramics and structural materials.
Description
Technical field
The invention belongs to hot industry ceramics processing field, specifically, relate to a kind of high crystal mullite-cordierite matter hot industry pottery---the production technology of fire-resistant kiln furnitures, structural ceramics, structured material.
Background technology
In recent years; Global economy develops to integrated direction; China's rapid economic development; Living standards of the people improve constantly, to the kind of ceramic-like product and quality require increasingly highly, promoted the flourish of industries such as domestic electronics, magneticsubstance, pottery, building materials, new forms of energy, sytull.Along with the research and development success of new material pottery and the update of ceramic-like product; Manufacturer at the sintering process of product, produce and also constantly improve aspect the equipment; Hot industry pottery, fire-resistant kiln furnitures, furnace kiln structure material are had higher requirement; Traditional clay matter, high alumina matter, tektite diamond stone matter, silicon-carborundum matter and the fire-resistant kiln furnitures of common cordierite and kiln refractory product can't satisfy request for utilization, exploitation adapt to high-qualityly burnt high anti-oxidation, antistripping that product burns till usefulness, refractoriness is high, use temperature is high, thermal expansivity is low, intensity is good, weight is low, excellent heat stability than the long life high crystal mullite-cordierite matter hot industry pottery---fire-resistant kiln furnitures, structural ceramics, structured material have become a kind of development trend.Advantages such as high crystal mullite-cordierite matter hot industry pottery---fire-resistant kiln furnitures, structural ceramics, structured material has antistripping, refractoriness is high, use temperature is high, thermal expansivity is low, good thermal shock stability, HS, anti-oxidant, long service life; And can adopt compacting, extrude, product that multiple molding mode such as cast, roll extrusion, ramming is processed different shape; Except that the various special-shaped kiln furnitures that the making every profession and trade needs; Can also make the structured material (as: the hollow suspender member of brick, Yao Ding and kiln wall is enclosed on kiln car hollow limit) that is used for the every profession and trade stove; Can reduce significantly after the use and burnt the product fuel consumption, can avoid dirty defective simultaneously, improve quality product; Be the high crystal mullite-cordierite matter hot industry potteries of research and development, comprise the first-selected project of fire-resistant kiln furnitures, structural ceramics, structured material.
At present; Domestic have minority scientific research institution and producer that high crystal mullite-cordierite matter hot industry pottery " fire-resistant kiln furnitures, structural ceramics, structured material " production technology is classified as main research project and developed; But because of aspects such as formula for a product, raw materials quality, working condition, production technique, quality control exist deficiency; Still rest on experimental stage; Fail to find the high crystal mullite-cordierite of Key Implementation scale operation matter hot industry pottery, comprise the breach of fire-resistant kiln furnitures, structural ceramics, structured material.
Summary of the invention
The objective of the invention is to the problems referred to above, a kind of high anti-oxidation, antistripping be provided, refractoriness is high, use temperature is high, thermal expansivity is low, intensity is good, weight is low, the high crystal mullite-cordierite matter hot industry pottery than the long life of excellent heat stability---fire-resistant kiln furnitures, structural ceramics, structured material and technology thereof are simple, cost is low, be fit to the working method of scale operation.
Know-why of the present invention: during refractory product is produced, composition of raw materials will determine material, wood property, and very big to the Technology problems affect that possibly occur in the enforcement of pilot scale, scale operation; The control matrix phase generates the formation of low-melting glassy phase; Make the matrix phase major part or be converted into the crystallite phase fully; Improving the amount of crystals of mullite, trichroite in the goods, then is the key that improves goods high temperature break resistant intensity, thermal expansivity, thermal shock resistance and antistrip performance.Based on this, the present invention starts with from improving composition of raw materials, product forming technique and sinter process, in conjunction with MgO-Al
2O
3-SiO
2Be the factors such as physical and chemical performance, production cost, technology practicality and novelty of equilibrium phase diagram, raw material type and source, expection resultant, through TE, main way of the present invention is:
1, according to property of raw material and MgO-Al
2O
3-SiO
2Be the selected basic material of equilibrium phase diagram: trichroite (2MgO2Al
2O
35SiO
2) be about 1470 ℃ of crystalline phase fusing point, its thermal expansivity low (under RT-1000 ℃ of condition, α=1.1-2.6 * 10
-6/ ℃); Mullite synthesizing (3Al
2O
32SiO
2), fusing point is high, and thermal expansivity is moderate; Mullite synthesizing, its mullite interleaving network structure excellence of calcined kaolin, and do not contain free quartzy phase.Sillimanite, andaluzite (AL
2O
3SiO
2) have high purity, energy-conservation, need not calcine before using, easily to characteristics such as mullite conversions.Form main crystal phase material so choose with calcined kaolin, trichroite, mullite synthesizing, sillimanite, andaluzite, and the exploration that makes an experiment repeatedly on this basis, the optimization of composition of raw materials and the improvement of production technique sought;
2, confirm raw material type and proportioning: mullite, trichroite raw material all need synthetic in the few primary high purity of occurring in nature, and raw materials used difference when synthetic has than big-difference on mineralogical character.Through comparing repeatedly; Adopt fused mullite; The cordierite synthesis material is the basic material of hot industry pottery of the present invention; And with natural material combination mullite and cordierite matrix phase; Confirmed that simultaneously 40-70% forms main crystal phase material with calcined kaolin, cordierite, mullite synthesizing, sillimanite, andalusite, is equipped with the ratio range in conjunction with the composite interstitial substance material of 30-60%;
3, clear and definite firing range and sintering curve: firing range and sintering curve are key problem in technology; Adopt optimum seeking method to carry out TE; The mineral facies of firing temperature, sintering curve, interpolation crystallite nucleation dosage, goods are formed and the mutual relationship of performance index etc. is carried out lot of test and comprehensive comparative analysis; Seek relation and technical basis between them, finally finding the special upright intensified process optimum temperature range of the compound crystallization building-up reactions of matrix phase is 1420 ℃-1430 ℃, selects crystallite nucleator kind and quantity and devitrification temperature scope simultaneously; Crystallite nucleator kind is selected the compound crystallite nucleator of ZrO2+V2O5, ZrO for use
2Generally select Zirconium dioxide powder, zircon sand, zirconium Ying Fen etc. for use;
4, improve moulding process: aspect production technique, except that account temperature, raw material composition, grain composition, crystallite nucleation dosage, mineral facies composition, performance index, produce molding mode according to difference and work out different moulding process routes.Quality problems such as excessive load-carrying, distortion, planeness, fine crack are improved rapidly; And form stable raw material and prescription, batch mixing, bundle material, moulding, drying, burn till, a series of technical matters systems such as finished product detection, established the Technology basis of scale operation.
The present invention; Said high crystal mullite-cordierite matter hot industry pottery; Comprise fire-resistant kiln furnitures, structural ceramics and structured material, proportioning raw materials comprises the main crystal phase material of 40-80 weight part and the combination composite interstitial substance material of 20-60 weight part, and total component of selected main crystal phase material, combination composite interstitial substance material reaches 100 weight parts; Add an amount of compound crystallite nucleator again, wherein:
1), main crystal phase material is calcined kaolin, trichroite, mullite synthesizing, sillimanite, andaluzite aggregate; Wherein, The calcined kaolin aggregate accounts for main crystal phase material 20-50wt%, and the trichroite aggregate accounts for the 5-20wt% of main crystal phase material, and the Mo Laikate aggregate accounts for the 30-60wt% of main crystal phase material; Andaluzite or sillimanite aggregate account for the 1-10wt% of main crystal phase material, and the particle diameter of above-mentioned aggregate is less than 0.71mm;
2), combine the composite interstitial substance material to be:
Contain the Natural manganese dioxide finely-powdered minerals: the MgO component content is greater than 32%, and fineness requirement is through 325 orders, and the Natural manganese dioxide finely-powdered minerals accounts for the 25-35wt% that combines the composite interstitial substance material;
Aluminium oxide powder: Al
2O
3Component content is greater than 99.9%, and particle diameter is less than 5 μ m, and aluminium oxide powder accounts for the 25-40wt% that combines the composite interstitial substance material;
Fine silica powder: SiO
2Component content is greater than 99%, and particle diameter is less than 1 μ m, and fine silica powder accounts for the 2-10wt% that combines the composite interstitial substance material;
Kaolin: Al
2O
3Component content is greater than 36%, Fe
2O
3Component content is less than 0.8%, and fineness requirement is through 325 orders, and kaolin accounts for the 10-25wt% that combines the composite interstitial substance material;
Ball clay: Al
2O
3Component content is greater than 35%, Fe
2O
3Component content is less than 1%, and fineness requirement is through 325 orders, and ball clay accounts for the 25-40wt% that combines the composite interstitial substance material;
What the adjustment composition was used contains MgO, Al by what contain that Natural manganese dioxide finely-powdered minerals, kaolin, fine silica powder, activated alumina micro mist, corundum powder obtain
2O
3, SiO
2The fire-resistant powder fineness requirement that the fire-resistant powder of composition, said adjustment composition are used is through 500 orders, and the fire-resistant powder that said adjustment composition is used accounts for the 0-15wt% that combines the composite interstitial substance material; In the fire-resistant powder that said adjustment composition is used, the MgO composition accounts for the 25-40wt% of the total component of fire-resistant powder that said adjustment composition uses, Al
2O
3Composition accounts for the 35-45wt% of the total component of fire-resistant powder that said adjustment composition uses, SiO
2Composition accounts for the 15-30wt% of the total component of fire-resistant powder that said adjustment composition uses;
3) the crystallite nucleator is ZrO
2+ V
2O
5Compound crystallite nucleator, ZrO
2With V
2O
5Weight ratio be 2-3:3-4, fineness requirement is through 500 orders, compound crystallite nucleator is the 1.0-10wt% of above-mentioned selected main crystal phase material and the total amount that combines the composite interstitial substance material;
The present invention, said working method comprises batching, batch mixing, bundle material, moulding, drying and burns till.In sintering process, comprise two sections constant temperature sintering methods and two sections special upright strengthening treatment process of compound crystallization building-up reactions, wherein:
Two sections constant temperature sintering methods are: in the time of 200 ℃, and constant temperature insulation 10-15 hour; In the time of 500 ℃, constant temperature insulation 10-15 hour;
Two sections special upright strengthening treatment process of compound crystallization building-up reactions are: be warming up to first section high temperature constant temperature, and first section high temperature constant temperature 1100-1150 ℃ temperature, under the normal pressure sintering 10-15 hour; Be warming up to second section high temperature constant temperature again, second section high temperature constant temperature 1420-1430 ℃ temperature, under the normal pressure sintering 20-25 hour.
The present invention compared with prior art, its beneficial effect and innovative point are mainly reflected in:
1, proportioning raw materials is a main crystal phase material with calcined kaolin, trichroite, mullite synthesizing, sillimanite, the andaluzite of 40-80%, is equipped with the combination composite interstitial substance material of 20-60%, adds compound nucleus agent (ZrO simultaneously
2+ V
2O
5) catalysis enhancing matrix height micritization, special upright zirconium mullite high temperature phase, the HV matrix phase generates, and has greatly overcome low temperature matrix amount of liquid phase (5-10%), improves thereby promoted high-temperature behavior comprehensively, is able to successful Application;
2, the key of sintering process is at 1420 ℃ of-1430 ℃ of high temperature goods to be carried out micritization nucleation intensified process, generates low-melting glassy phase through the control matrix phase, and further makes the most of matrix phase or be converted into microcrystal fully; Goods are high crystalline structure after intensified process, antioxidant property is excellent, refractoriness is high, use temperature is high, thermal expansivity is low, ultimate compression strength is high, proportion is low, excellent heat stability, antistrip performance, high temperature break resistant intensity are high;
3, technological core is the sintering curve of micritization nucleation intensified process (carrying out between 1420 ℃-1430 ℃), is divided into sinter process low temperature and divides two sections constant temperature to handle, the special upright intensified process of two sections compound crystallization building-up reactionss of high temperature; Goods nucleus in sintering process is formed early; The nucleus skeleton increases, and shrinking percentage reduces, and after the further crystallization; The amount of crystals of mullite, trichroite increases greatly in the goods, makes crystalline structure form the interleaving network structure.That the high crystal mullite-cordierite matter hot industry pottery " fire-resistant kiln furnitures, structural ceramics, structured material " of exploitation has is high temperature resistant (flame temperature＞1600 ℃); High (＞1450 ℃ of load softening point; T0.6); High temperature break resistant intensity high (17Mpa) in the time of 1250 ℃, the 25-1000 ℃ of coefficient of expansion 3.0 (10
-6K
-1), thermal shock resistance is excellent, high temperature break resistant intensity is high, antistrip performance, work simplification, reliable, characteristics such as cost is low, high-strength light, energy-conserving and environment-protective;
4, moulding process adopt suppress, extrudes, moulding processs such as cast, roll extrusion, ramming produce high crystal mullite-cordierite matter hot industry pottery " fire-resistant kiln furnitures, structural ceramics, structured material ", technology is simple, cost is low, suitable scale operation.
Goods of the present invention; Have high crystalline structure, antioxidant property is excellent, refractoriness is high, use temperature is high, thermal expansivity is low, ultimate compression strength is high, proportion is low, excellent heat stability, antistrip performance, high temperature break resistant intensity are high, the advantage of long service life; Technology of the present invention has the advantage that technology is simple, cost is low, be fit to scale operation, is applicable to fire-resistant kiln furnitures, structural ceramics, structured material preparation.
Description of drawings
Fig. 1 is the main technical details of embodiment goods.
Embodiment
A kind of high crystal mullite-cordierite matter hot industry pottery; Comprise fire-resistant kiln furnitures, structural ceramics and structured material; The raw material of preparation comprises the main crystal phase material of 40-80 weight part and the combination composite interstitial substance material of 20-60 weight part; Selected main crystal phase material reaches 100 weight parts with the total component that combines the composite interstitial substance material, adds an amount of compound crystallite nucleator again, wherein:
1) main crystal phase material is calcined kaolin, trichroite, mullite synthesizing, sillimanite, andaluzite aggregate; Wherein, The calcined kaolin aggregate accounts for main crystal phase material 20-50wt%, and the trichroite aggregate accounts for the 5-20wt% of main crystal phase material, and the mullite synthesizing aggregate accounts for the 30-60wt% of main crystal phase material; Andaluzite or sillimanite aggregate account for the 1-10wt% of main crystal phase material, and the particle diameter of above-mentioned aggregate is less than 0.71mm;
2) combine the composite interstitial substance material to be:
Contain the Natural manganese dioxide finely-powdered minerals: the MgO component content is greater than 32%, and fineness requirement is through 325 orders, and the Natural manganese dioxide finely-powdered minerals accounts for the 25-35wt% that combines the composite interstitial substance material;
Aluminium oxide powder: Al
2O
3Component content is greater than 99.9%, and particle diameter is less than 5 μ m, and aluminium oxide powder accounts for the 25-40wt% that combines the composite interstitial substance material;
Fine silica powder: SiO
2Component content is greater than 99%, and particle diameter is less than 1 μ m, and fine silica powder accounts for the 2-10wt% that combines the composite interstitial substance material;
Kaolin: Al
2O
3Component content is greater than 36%, Fe
2O
3Component content is less than 0.8%, and fineness requirement is through 325 orders, and kaolin accounts for the 10-25wt% that combines the composite interstitial substance material;
Ball clay: Al
2O
3Component content is greater than 35%, Fe
2O
3Component content is less than 1%, and fineness requirement is through 325 orders, and ball clay accounts for the 25-40wt% that combines the composite interstitial substance material;
What the adjustment composition was used contains MgO, Al by what contain that Natural manganese dioxide finely-powdered minerals, kaolin, fine silica powder, activated alumina micro mist, corundum powder obtain
2O
3, SiO
2The fire-resistant powder fineness requirement that the fire-resistant powder of composition, said adjustment composition are used is through 500 orders, and the fire-resistant powder that said adjustment composition is used accounts for the 0-15wt% that combines the composite interstitial substance material; In the fire-resistant powder that said adjustment composition is used, the MgO composition accounts for the 25-40wt% of the total component of fire-resistant powder that said adjustment composition uses, Al
2O
3Composition accounts for the 35-45wt% of the total component of fire-resistant powder that said adjustment composition uses, SiO
2Composition accounts for the 15-30wt% of the total component of fire-resistant powder that said adjustment composition uses;
3) the crystallite nucleator is ZrO
2+ V
2O
5Compound crystallite nucleator, ZrO
2With V
2O
5Weight ratio be 2.5:3.5, fineness requirement is through 500 orders, compound crystallite nucleator is the 4.2wt% of above-mentioned selected main crystal phase material and the total mass that combines the composite interstitial substance material;
Above-mentioned raw materials burns till and is finished product after batch mixing, bundle material, moulding, drying.In sintering process, comprise two sections constant temperature sintering methods and two sections special upright strengthening treatment process of compound crystallization building-up reactions, wherein:
Two sections constant temperature sintering methods are: in the time of 200 ℃, and constant temperature insulation 10-15 hour; In the time of 500 ℃, constant temperature insulation 10-15 hour;
Two sections special upright strengthening treatment process of compound crystallization building-up reactions are: be warming up to first section high temperature constant temperature, and first section high temperature constant temperature 1100-1150 ℃ temperature, under the normal pressure sintering 10-15 hour; Be warming up to second section high temperature constant temperature again, second section high temperature constant temperature 1420-1430 ℃ temperature, under the normal pressure sintering 20-25 hour.
The main technical details of the said product of present embodiment is asked for an interview Fig. 1.
Main products of the present invention comprises fire-resistant kiln furnitures, hot industry pottery, furnace kiln structure material; Like refractory slab, hollow sheeting and stove furred ceiling, Yao Qiang, the kiln car hollow structure material of kiln furnitures class, its principal feature is that antistrip performance, high temperature break resistant intensity and thermal shock resistance can be excellent, and economy and practicality are unified.The purposes of product is following:
1., refractory slab: be mainly used in fine porcelain, household china, bone china, half porcelain, fine pottery, boccaro, marmite pot, light china, colored glaze mosaic, paving tile, sanitary ware (small-sized), sytull (small-sized crystallization processing), artistic decoration glass product burning till such as (surface shape processing) at tunnel, roller kiln and shuttle kiln;
2., hollow sheeting: be mainly used in burning till of goods such as sanitary ware and crystallizing glass decoration board, sun power crucible, domestic ceramics.Hollow sheeting is applicable to burning till fast of ceramic utensil product, have the weight ratio solid slab alleviate half the and energy-conservation, plate face supporting power increases, the advantage of flexible type, longer service life not under the high temperature;
3., stove furred ceiling, Yao Qiang, kiln car hollow structure material: product mainly substitutes tradition and burns till the refractory brick that stove is built block usefulness; And thoroughly change the theory of traditional stove design and use the material method; Principal feature is can prevent slag effectively, peel off the product quality problem that burnt that causes, and obvious energy conservation, easy construction, raising stove class.
Main production equipments of the present invention comprises: pulverizing mill, biaxial rneader, vacuum deairing machine, true powder pump, disk screen formula feeding machine, three vacuum-extruder, automatic blank cutter, high temperature shuttle kiln, strickling thicknessing machine, polishing edging line and chamfering, 5T ball mill, 1500T mouldenpress, dust removal installation, test set, distribution facility, drying cart, cold working cutting mechanics, pressure filter, rampump, 10T deposit pulp grinder etc. at a slow speed, and said equipment all has sale on market.Compacting in the production technique, extrude, production technique such as cast, roll extrusion, ramming are existing ceramic molding.
Claims (2)
1. one kind high crystal mullite-cordierite matter hot industry is ceramic; Comprise fire-resistant kiln furnitures, structural ceramics and structured material; Raw material comprises the main crystal phase material of 40-80 weight part and the combination composite interstitial substance material of 20-60 weight part; Selected main crystal phase material reaches 100 weight parts with the total component that combines the composite interstitial substance material, adds an amount of compound crystallite nucleator again, wherein:
1) main crystal phase material is calcined kaolin, trichroite, mullite synthesizing, sillimanite, andaluzite aggregate; Wherein, The calcined kaolin aggregate accounts for main crystal phase material 20-50wt%, and the trichroite aggregate accounts for the 5-20wt% of main crystal phase material, and the mullite synthesizing aggregate accounts for the 30-60wt% of main crystal phase material; Andaluzite or sillimanite aggregate account for the 1-10wt% of main crystal phase material, and the particle diameter of above-mentioned aggregate is less than 0.71mm;
2) combine the composite interstitial substance material to be:
Contain the Natural manganese dioxide finely-powdered minerals: the MgO component content is greater than 32%, and fineness requirement is through 325 orders, and the Natural manganese dioxide finely-powdered minerals accounts for the 25-35wt% that combines the composite interstitial substance material;
Aluminium oxide powder: Al
2O
3Component content is greater than 99.9%, and particle diameter is less than 5 μ m, and aluminium oxide powder accounts for the 25-40wt% that combines the composite interstitial substance material;
Fine silica powder: SiO
2Component content is greater than 99%, and particle diameter is less than 1 μ m, and fine silica powder accounts for the 2-10wt% that combines the composite interstitial substance material;
Kaolin: Al
2O
3Component content is greater than 36%, Fe
2O
3Component content is less than 0.8%, and fineness requirement is through 325 orders, and the kaolin fine powder accounts for the 10-25wt% that combines the composite interstitial substance material;
Ball clay: Al
2O
3Component content is greater than 35%, Fe
2O
3Component content is less than 1%, and fineness requirement is through 325 orders, and the ball clay fine powder accounts for the 25-40wt% that combines the composite interstitial substance material;
What the adjustment composition was used contains MgO, Al by what contain that Natural manganese dioxide finely-powdered minerals, kaolin, fine silica powder, activated alumina micro mist, corundum powder obtain
2O
3, SiO
2The fire-resistant mixed powder fineness requirement that the fire-resistant mixed powder of composition, said adjustment composition are used is through 500 orders, and the fire-resistant powder that said adjustment composition is used accounts for the 0-15wt% that combines the composite interstitial substance material; In the fire-resistant powder that said adjustment composition is used, the MgO composition accounts for the 25-40wt% of the total component of fire-resistant powder that said adjustment composition uses, Al
2O
3Composition accounts for the 35-45wt% of the total component of fire-resistant powder that said adjustment composition uses, SiO
2Composition accounts for the 15-30wt% of the total component of fire-resistant powder that said adjustment composition uses;
The crystallite nucleator is ZrO
2+ V
2O
5Compound crystallite nucleator, ZrO
2With V
2O
5Weight ratio be 2-3:3-4, fineness requirement is through 500 orders, compound crystallite nucleator is the 1.0-10wt% of above-mentioned selected main crystal phase material and the total amount that combines the composite interstitial substance material;
Above-mentioned raw materials burns till and is finished product after batch mixing, bundle material, moulding, drying.
2. the working method of one kind high crystal mullite-cordierite matter hot industry pottery; Raw material comprises the main crystal phase material of 40-80 weight part and the combination composite interstitial substance material of 20-60 weight part; Selected main crystal phase material reaches 100 weight parts with the total component that combines the composite interstitial substance material; Add an amount of compound crystallite nucleator again, wherein:
1) main crystal phase material is calcined kaolin, trichroite, mullite synthesizing, sillimanite, andaluzite aggregate; Wherein, The calcined kaolin aggregate accounts for main crystal phase material 20-50wt%, and the trichroite aggregate accounts for the 5-20wt% of main crystal phase material, and the mullite synthesizing aggregate accounts for the 30-60wt% of main crystal phase material; Andaluzite or sillimanite aggregate account for the 1-10wt% of main crystal phase material, and the particle diameter of above-mentioned aggregate is less than 0.71mm;
2) combine the composite interstitial substance material to be:
Contain the Natural manganese dioxide finely-powdered minerals: the MgO component content is greater than 32%, and fineness requirement is through 325 orders, and the Natural manganese dioxide finely-powdered minerals accounts for the 25-35wt% that combines the composite interstitial substance material;
Aluminium oxide powder: Al
2O
3Component content is greater than 99.9%, and particle diameter is less than 5 μ m, and aluminium oxide powder accounts for the 25-40wt% that combines the composite interstitial substance material;
Fine silica powder: SiO
2Component content is greater than 99%, and particle diameter is less than 1 μ m, and fine silica powder accounts for the 2-10wt% that combines the composite interstitial substance material;
Kaolin: Al
2O
3Component content is greater than 36%, Fe
2O
3Component content is less than 0.8%, and fineness requirement is through 325 orders, and the kaolin fine powder accounts for the 10-25wt% that combines the composite interstitial substance material;
Ball clay: Al
2O
3Component content is greater than 35%, Fe
2O
3Component content is less than 1%, and fineness requirement is through 325 orders, and the ball clay fine powder accounts for the 25-40wt% that combines the composite interstitial substance material;
What the adjustment composition was used contains MgO, Al by what contain that Natural manganese dioxide finely-powdered minerals, kaolin, fine silica powder, activated alumina micro mist, corundum powder obtain
2O
3, SiO
2The fire-resistant mixed powder fineness requirement that the fire-resistant mixed powder of composition, said adjustment composition are used is through 500 orders, and the fire-resistant powder that said adjustment composition is used accounts for the 0-15wt% that combines the composite interstitial substance material; In the fire-resistant powder that said adjustment composition is used, the MgO composition accounts for the 25-40wt% of the total component of fire-resistant powder that said adjustment composition uses, Al
2O
3Composition accounts for the 35-45wt% of the total component of fire-resistant powder that said adjustment composition uses, SiO
2Composition accounts for the 15-30wt% of the total component of fire-resistant powder that said adjustment composition uses;
The crystallite nucleator is ZrO
2+ V
2O
5Compound crystallite nucleator, ZrO
2With V
2O
5Weight ratio be 2-3:3-4, fineness requirement is through 500 orders, compound crystallite nucleator is the 1.0-10wt% of above-mentioned selected main crystal phase material and the total amount that combines the composite interstitial substance material;
Raw material burns till and is finished product after batch mixing, bundle material, moulding, drying, in sintering process, comprises two sections constant temperature sintering methods and two sections special upright strengthening treatment process of compound crystallization building-up reactions, wherein:
Two sections constant temperature sintering methods are: in the time of 200 ℃, and constant temperature insulation 10-15 hour; In the time of 500 ℃, constant temperature insulation 10-15 hour;
Two sections special upright strengthening treatment process of compound crystallization building-up reactions are: be warming up to first section high temperature constant temperature, and first section high temperature constant temperature 1100-1150 ℃ temperature, under the normal pressure sintering 10-15 hour; Be warming up to second section high temperature constant temperature again, second section high temperature constant temperature 1420-1430 ℃ temperature, under the normal pressure sintering 20-25 hour.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110422262 CN102491773B (en) | 2011-12-15 | 2011-12-15 | High-crystal mullite-iolite high-temperature industrial ceramic and production method for same |
| PCT/CN2011/002189 WO2013086664A1 (en) | 2011-12-15 | 2011-12-26 | High crystal mullite-cordierite high temperature industrial ceramic and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110422262 CN102491773B (en) | 2011-12-15 | 2011-12-15 | High-crystal mullite-iolite high-temperature industrial ceramic and production method for same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102491773A true CN102491773A (en) | 2012-06-13 |
| CN102491773B CN102491773B (en) | 2013-08-28 |
Family
ID=46183643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110422262 Active CN102491773B (en) | 2011-12-15 | 2011-12-15 | High-crystal mullite-iolite high-temperature industrial ceramic and production method for same |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102491773B (en) |
| WO (1) | WO2013086664A1 (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103130524A (en) * | 2013-03-22 | 2013-06-05 | 北京创导工业陶瓷有限公司 | Energy-saving light cordierite-mullite kiln furnace material, kiln furnace and preparation method of material |
| CN104788083A (en) * | 2015-04-09 | 2015-07-22 | 景德镇晶达新材料有限公司 | Alumina ceramic ring having high thermal shock resistance and used for polycrystalline silicon reduction furnace as well as preparation method |
| CN105272188A (en) * | 2015-10-09 | 2016-01-27 | 广东热金宝新材料科技有限公司 | Preparation method of high crystal acicular interlacing structured low-aluminum mullite |
| CN105272317A (en) * | 2015-11-19 | 2016-01-27 | 长兴县新宏信耐火材料有限公司 | Preparation method of andalusite and mullite composite brick |
| CN105294128A (en) * | 2015-11-19 | 2016-02-03 | 长兴县新宏信耐火材料有限公司 | Andalusite-mullite composite material brick |
| CN106365622A (en) * | 2016-08-31 | 2017-02-01 | 酒泉中横新材料科技有限责任公司 | Method for preparing energy-saving wall material by taking andalusite as raw material |
| CN106396653A (en) * | 2016-08-31 | 2017-02-15 | 徐美兰 | Energy-saving wall material using andalusite as raw materials |
| CN108424016A (en) * | 2017-02-14 | 2018-08-21 | 西南科技大学 | A kind of Structural Engineering high performance lightweight aggregate |
| CN109700265A (en) * | 2019-03-11 | 2019-05-03 | 昆明滇艺非物质文化遗产研发有限公司 | A kind of teapot and preparation method thereof of uniform tea concentration |
| CN109851325A (en) * | 2019-01-21 | 2019-06-07 | 福建省威尔陶瓷股份有限公司 | A kind of high heat-resisting ceramic product and preparation method thereof |
| CN114014666A (en) * | 2021-11-05 | 2022-02-08 | 洛阳理工学院 | Refractory castable for smoke chamber part of co-processing solid waste cement kiln |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1785909A (en) * | 2005-12-09 | 2006-06-14 | 陈文杨 | High-crystal structure cordierite-mullite kiln furniture, kiln refractory product and roasting process |
| CN101239840A (en) * | 2007-02-05 | 2008-08-13 | 山东理工大学 | Method for preparing expanded perlite ceramic water washing ball |
| CN101955366A (en) * | 2010-10-26 | 2011-01-26 | 揭东县热金宝新材料科技有限公司 | High performance and large-area fire resistance hollow slab kiln and production method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08283073A (en) * | 1995-04-11 | 1996-10-29 | Ngk Insulators Ltd | Kiln tool |
| CN1296309C (en) * | 2002-10-25 | 2007-01-24 | 周季楠 | Method for producing kiln furniture made from cordierite |
| CN101519304B (en) * | 2009-02-19 | 2012-07-04 | 景德镇亿石陶瓷科技有限公司 | Method for preparing dichroite-porzite complex phase material by in-situ reaction calcination |
-
2011
- 2011-12-15 CN CN 201110422262 patent/CN102491773B/en active Active
- 2011-12-26 WO PCT/CN2011/002189 patent/WO2013086664A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1785909A (en) * | 2005-12-09 | 2006-06-14 | 陈文杨 | High-crystal structure cordierite-mullite kiln furniture, kiln refractory product and roasting process |
| CN101239840A (en) * | 2007-02-05 | 2008-08-13 | 山东理工大学 | Method for preparing expanded perlite ceramic water washing ball |
| CN101955366A (en) * | 2010-10-26 | 2011-01-26 | 揭东县热金宝新材料科技有限公司 | High performance and large-area fire resistance hollow slab kiln and production method thereof |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103130524A (en) * | 2013-03-22 | 2013-06-05 | 北京创导工业陶瓷有限公司 | Energy-saving light cordierite-mullite kiln furnace material, kiln furnace and preparation method of material |
| CN103130524B (en) * | 2013-03-22 | 2014-11-26 | 北京创导工业陶瓷有限公司 | Energy-saving light cordierite-mullite kiln furnace material, kiln furnace and preparation method of material |
| CN104788083A (en) * | 2015-04-09 | 2015-07-22 | 景德镇晶达新材料有限公司 | Alumina ceramic ring having high thermal shock resistance and used for polycrystalline silicon reduction furnace as well as preparation method |
| CN105272188A (en) * | 2015-10-09 | 2016-01-27 | 广东热金宝新材料科技有限公司 | Preparation method of high crystal acicular interlacing structured low-aluminum mullite |
| CN105272317A (en) * | 2015-11-19 | 2016-01-27 | 长兴县新宏信耐火材料有限公司 | Preparation method of andalusite and mullite composite brick |
| CN105294128A (en) * | 2015-11-19 | 2016-02-03 | 长兴县新宏信耐火材料有限公司 | Andalusite-mullite composite material brick |
| CN106365622A (en) * | 2016-08-31 | 2017-02-01 | 酒泉中横新材料科技有限责任公司 | Method for preparing energy-saving wall material by taking andalusite as raw material |
| CN106396653A (en) * | 2016-08-31 | 2017-02-15 | 徐美兰 | Energy-saving wall material using andalusite as raw materials |
| CN108424016A (en) * | 2017-02-14 | 2018-08-21 | 西南科技大学 | A kind of Structural Engineering high performance lightweight aggregate |
| CN108424016B (en) * | 2017-02-14 | 2021-08-06 | 西南科技大学 | High-performance lightweight aggregate for structural engineering |
| CN109851325A (en) * | 2019-01-21 | 2019-06-07 | 福建省威尔陶瓷股份有限公司 | A kind of high heat-resisting ceramic product and preparation method thereof |
| CN109700265A (en) * | 2019-03-11 | 2019-05-03 | 昆明滇艺非物质文化遗产研发有限公司 | A kind of teapot and preparation method thereof of uniform tea concentration |
| CN114014666A (en) * | 2021-11-05 | 2022-02-08 | 洛阳理工学院 | Refractory castable for smoke chamber part of co-processing solid waste cement kiln |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102491773B (en) | 2013-08-28 |
| WO2013086664A1 (en) | 2013-06-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102491773B (en) | High-crystal mullite-iolite high-temperature industrial ceramic and production method for same | |
| CN100358839C (en) | High-crystal structure cordierite-mullite kiln furniture, kiln refractory product and roasting process | |
| CN101343190B (en) | Sillimanite brick for large-scale blast furnace hot blast stove and method of manufacturing the same | |
| CN102757244B (en) | Corundum-mullite zircon fire-proofing material and preparation method thereof | |
| CN101381240B (en) | Method for preparing dichroite heat proof/refractory materials | |
| CN101475396A (en) | Low expansion heat resisting porous ceramic and preparation thereof | |
| CN101768003B (en) | High-performance silicon carbide composite kiln furniture material and preparation method thereof | |
| CN113800880B (en) | Low-density elongated stone ceramic plate and preparation method thereof | |
| CN201335601Y (en) | Ultra-temperature roller kiln for sintering refractory raw material | |
| CN103524139A (en) | Low-creep zircon overflowing brick and preparation method thereof | |
| CN103224415A (en) | One-time sintered cobalt blue frit dry particles and preparation method thereof | |
| US3651184A (en) | Process for fast-fire ceramic tile using nepheline syenite and clay | |
| CN103224414A (en) | One-time sintered chrome green frit dry particles and preparation method thereof | |
| CN1704384A (en) | Periclase-olivine light thermal-insulated fireproof materials and method for preparing same | |
| CN101643354B (en) | Production method of lithium non-expansion heat-resistant ceramic | |
| CN101844931B (en) | Silicon carbide high temperature ceramic kiln furniture | |
| CN102992785A (en) | Mullite-high-silica glass complex-phase refractory material for ceramic burner and manufacturing method thereof | |
| CN105481382A (en) | Preparation method of cordierite fireproof material | |
| CN102503455A (en) | Castable cordierite-mullite refractory material and production technique thereof | |
| CN102731129B (en) | Method for preparing composite fracturing propping agent by using gold tailings and forsterite fibers | |
| CN102515533B (en) | Alkali silicate glass frit, zirconium frit opaque glaze, and preparation methods of the alkali silicate glass frit and zirconium frit opaque glaze | |
| CN105272317A (en) | Preparation method of andalusite and mullite composite brick | |
| CN102718530B (en) | Method for preparing fracturing propping agent using kyanite, sillimanite and andalusite | |
| CN103553661B (en) | Preparation method for mullite-roller bed bar waste-cordierite product for hot-blast stove ceramic burner | |
| CN103224329B (en) | One-time sintered beige frit dry particles and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |