CN100445238C - Technology of manufacturing low expansion coefficient honeycomb ceramic kitchen range sheet - Google Patents
Technology of manufacturing low expansion coefficient honeycomb ceramic kitchen range sheet Download PDFInfo
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- CN100445238C CN100445238C CNB2006100892447A CN200610089244A CN100445238C CN 100445238 C CN100445238 C CN 100445238C CN B2006100892447 A CNB2006100892447 A CN B2006100892447A CN 200610089244 A CN200610089244 A CN 200610089244A CN 100445238 C CN100445238 C CN 100445238C
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- 239000000919 ceramic Substances 0.000 title claims abstract description 110
- 238000005516 engineering process Methods 0.000 title claims description 21
- 238000004519 manufacturing process Methods 0.000 title description 3
- 238000000034 method Methods 0.000 claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 22
- 238000012545 processing Methods 0.000 claims abstract description 15
- 238000001035 drying Methods 0.000 claims abstract description 13
- 238000001125 extrusion Methods 0.000 claims abstract description 12
- 238000002156 mixing Methods 0.000 claims abstract description 12
- 239000002994 raw material Substances 0.000 claims description 83
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 68
- 239000005995 Aluminium silicate Substances 0.000 claims description 53
- 235000012211 aluminium silicate Nutrition 0.000 claims description 53
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 53
- 229910052623 talc Inorganic materials 0.000 claims description 43
- 235000012222 talc Nutrition 0.000 claims description 43
- 239000000454 talc Substances 0.000 claims description 43
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 34
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 34
- 239000000377 silicon dioxide Substances 0.000 claims description 34
- 235000012239 silicon dioxide Nutrition 0.000 claims description 29
- 229960001866 silicon dioxide Drugs 0.000 claims description 29
- 239000000203 mixture Substances 0.000 claims description 26
- 239000000843 powder Substances 0.000 claims description 24
- 239000013078 crystal Substances 0.000 claims description 23
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 17
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 17
- 229920000570 polyether Polymers 0.000 claims description 17
- 238000000465 moulding Methods 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 8
- 239000011230 binding agent Substances 0.000 claims description 8
- 239000000758 substrate Substances 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 7
- 239000004094 surface-active agent Substances 0.000 claims description 6
- 235000011187 glycerol Nutrition 0.000 claims description 4
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 238000010304 firing Methods 0.000 abstract 1
- 238000004898 kneading Methods 0.000 abstract 1
- 238000003801 milling Methods 0.000 abstract 1
- 238000009740 moulding (composite fabrication) Methods 0.000 abstract 1
- 239000000047 product Substances 0.000 description 35
- JSKIRARMQDRGJZ-UHFFFAOYSA-N dimagnesium dioxido-bis[(1-oxido-3-oxo-2,4,6,8,9-pentaoxa-1,3-disila-5,7-dialuminabicyclo[3.3.1]nonan-7-yl)oxy]silane Chemical compound [Mg++].[Mg++].[O-][Si]([O-])(O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2)O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2 JSKIRARMQDRGJZ-UHFFFAOYSA-N 0.000 description 33
- 229910052878 cordierite Inorganic materials 0.000 description 20
- 230000015572 biosynthetic process Effects 0.000 description 13
- 238000003786 synthesis reaction Methods 0.000 description 13
- 239000012535 impurity Substances 0.000 description 12
- 229910004298 SiO 2 Inorganic materials 0.000 description 10
- 230000035939 shock Effects 0.000 description 8
- 239000007921 spray Substances 0.000 description 7
- 238000003756 stirring Methods 0.000 description 7
- 230000003245 working effect Effects 0.000 description 7
- 238000002425 crystallisation Methods 0.000 description 6
- 239000012467 final product Substances 0.000 description 6
- 238000009413 insulation Methods 0.000 description 6
- 238000005498 polishing Methods 0.000 description 6
- 230000002035 prolonged effect Effects 0.000 description 6
- 241000276425 Xiphophorus maculatus Species 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 239000004411 aluminium Substances 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 5
- 238000005520 cutting process Methods 0.000 description 5
- 238000000227 grinding Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 238000010587 phase diagram Methods 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- 229920002521 macromolecule Polymers 0.000 description 4
- CSJDCSCTVDEHRN-UHFFFAOYSA-N methane;molecular oxygen Chemical compound C.O=O CSJDCSCTVDEHRN-UHFFFAOYSA-N 0.000 description 4
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 3
- 150000001342 alkaline earth metals Chemical class 0.000 description 3
- 229910052728 basic metal Inorganic materials 0.000 description 3
- 150000003818 basic metals Chemical class 0.000 description 3
- 239000011259 mixed solution Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
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- 239000010970 precious metal Substances 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
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- 238000007667 floating Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
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Abstract
The present invention provides a new process for making honeycombed ceramic stove piece. Said process includes 8 steps of selecting material, mixing, milling, vacuum kneading, extrusion forming, drying, processing and firing. Said honeycombed ceramic stove piece product has low expansion coefficient, high strength, stable water absorption and high softening temperature.
Description
Technical field
The present invention relates to make the processing method of ceramic kitchen range sheet, particularly a kind of processing method of making the low thermal coefficient of expansion honeycomb ceramic kitchen range sheet.
Background technology
The technology of making at present honeycomb ceramic kitchen range sheet mainly comprise select materials, raw material mixes, raw material mixes, vacuum pugging, extrusion molding, drying, operation such as process and burn till.The stage of wherein selecting materials is mainly selected the trichroite grog for use, or utilize sheet kaolin, talcum and commercial alumina to make main raw material, add an amount of trichroite grog, exist easily in this course the content of impurity such as basic metal and alkaline-earth metal in the raw material is controlled not tight, or improper to the selection of the crystal shape of raw materials such as kaolin, talcum powder and powder granularity; The synthesising law according to trichroite is not set in the control of product sintering curve, and above-mentioned factor makes the final honeycomb ceramic kitchen range sheet that obtains have problems such as thermal expansivity height, thermal shock resistance is low, water-intake rate is unstable, softening temperature is low.
High thermal expansion coefficient makes that expansion, the shrinkage amplitude of honeycomb ceramic kitchen range sheet size under the working conditions of repeatedly anxious heat, chilling are big, thereby cause the kitchen range sheet expansion of irresistible moment, shrink the stress that is produced, make the kitchen range sheet cracking destruction, reduce the thermal-shock resistance of kitchen range sheet greatly.
Honeycomb ceramic kitchen range sheet product water-intake rate is too high, when following one noble metal-coating, can adsorb a lot of precious metals and penetrate into honeycomb ceramic kitchen range sheet inside, but in the actual use of honeycomb ceramic kitchen range sheet, can play the precious metal that just is coated in the top layer of effect, so, too high water-intake rate just causes unnecessary waste; Cross low water-intake rate and make and be difficult for being adsorbed on the honeycomb ceramic kitchen range sheet surface, or be easy to come off, brought a difficult problem for finally finishing product at following one noble metal-coating technology floating coat.The optimal water-intake rate of ceramic kitchen range sheet after burning till should be controlled in the scope of 20%-25%.
Softening temperature is low to mean that the honeycomb ceramic kitchen range sheet heat-resisting ability is low, the meeting appearance is owing to the softening distortion that produces after using for some time, thereby the resistance when making combustion gas pass through honeycomb ceramic kitchen range sheet increases, and local temperature is too high, and then causes honeycomb ceramic kitchen range sheet to damage.
The existence of above-mentioned these problems makes and has waste in lower, the manufacturing processed in the work-ing life of present honeycomb ceramic kitchen range sheet.The main performance index of present existing honeycomb ceramic kitchen range sheet product is as follows:
The coefficient of expansion: 〉=2.0 * 10
-6/ ℃;
Thermal-shock resistance: ftracture for 3 times with 25 ℃ of cold water chillings during 800 ℃ of states;
Ultimate compression strength: less than 5MPa;
Water-intake rate: instability can not be controlled in the scope of 20%-25% well;
Softening temperature: 1300 ℃.
Summary of the invention
At the existing problem that exists in the honeycomb ceramic kitchen range sheet technological process of making, the invention provides a kind of technology of new manufacturing honeycomb ceramic kitchen range sheet, the thermal expansivity of honeycomb ceramic kitchen range sheet is reduced, thermal shock resistance improves, softening temperature improves.
Make the technology of ceramic kitchen range sheet, comprise and select materials, mix, mix, vacuum pugging, extrusion molding, drying, step such as process and burn till, it is characterized in that comprising the steps:
A, in the stage of selecting materials, directly select feed kaolin, talcum, aluminum oxide and the silicon-dioxide of synthesis of dichroite for use, wherein kaolin, steatitic purity are greater than 95%, the purity of aluminum oxide, silicon-dioxide is greater than 99%;
In the above-mentioned raw materials kaolin crystal shape be flakey, talcum crystal shape be sheet, aluminum oxide and silicon-dioxide profile in pelletized form, and the size range of above-mentioned raw materials is:
Talcum: 10 μ m～40 μ m;
Kaolin: 2 μ m～5 μ m;
Aluminum oxide: 1 μ m～3 μ m;
Silicon-dioxide: 1 μ m or 5 μ m or 10 μ m.
Wherein the steatitic granularity is than kaolin coarse size more than three times.
B, add moulding auxiliary material caking agent MC in the raw material that steps A is selected for use, described moulding auxiliary material caking agent ratio range is the 1-8% of all inorganic raw material gross weights, mixes once more.
C, powder raw material and binder mixtures that the B step is finished are placed in the kneader, in above-mentioned powder raw material and binder mixtures, spray into distiller liquor by high pressure spray nozzle while stirring, described distiller liquor is by the water that accounts for inorganic raw material gross weight 25-45%, and at least a water soluble surfactant active mixes, and its consumption of described water soluble surfactant active is the 0.1-1.5% of inorganic powder gross weight.Described water soluble surfactant active is one or more the mixture in glycerine or the polyether glycol.Stirring is kneaded into pug up to the mixture with powder raw material and distiller liquor.
D, the pug that step C is made are put into vacuum deairing machine and are carried out vacuum pugging, practice and make the mud section, and the negative pressure of the vacuum chamber of vacuum deairing machine is less than-0.09Mpa.
E, mud section that step D is produced are squeezed into the wet base of honeycomb ceramic kitchen range sheet in extrusion shaping machine.
F, drying: earlier with microwave heating 10-20 minute, in 70-120 ℃ kiln dry 3-8 hour again, the water ratio that guarantees base substrate was below 2% with the wet base of honeycomb ceramic kitchen range sheet of step e preparation;
G, processing: to dried honeycomb ceramic kitchen range sheet in the F step, process according to the size of ceramic kitchen range sheet and to make it to adhere to specification, the working face that also is included in ceramic kitchen range sheet in this step processes external waviness.
H, burn till: in kiln, the finished honeycomb ceramic kitchen range sheet green compact that adhere to specification of step G are fired into finished product, in the kiln temperature from 1100 ℃ of temperature rise rates that rise to 1300 ℃ greater than 100 ℃/hour, 1300 ℃ of temperature rise rates that rise to 1430 ℃ are incubated 5 hours for less than 50 ℃/hour after the temperature in the kiln reaches 1430 ℃ at least.
Technique effect:
The content influence of cordierite crystal the honeycomb ceramic kitchen range sheet final properties in the honeycomb ceramic kitchen range sheet.The present invention has selected the raw material and the strict control purity of synthesis of dichroite for use in the material choice stage, directly do not adopt the method for synthesizing good trichroite grog in the prior art and adopt, so can effectively control the purity of the trichroite of final generation, lowered wherein foreign matter content such as basic metal and alkaline-earth metal, reduced the influence of impurity cordierite honeycomb ceramic kitchen range sheet thermal expansivity.Also can effectively control simultaneously the crystallisation process of trichroite, produce with the high purity trichroite is the high-performance honeycomb ceramic kitchen range sheet of principal crystalline phase, the final product thermal expansivity reduces, thermal shock resistance is strong, water-intake rate is stable, softening temperature is high, has prolonged the work-ing life of kitchen range greatly thereby can make.
Except the selection of purity, the crystal shape of raw material, the selection of granularity have material impact for generating the C axle at the cordierite crystal that aligns that is parallel to grid wall direction, and the cordierite crystal that aligns can be so that honeycomb ceramic kitchen range sheet obtains low-expansion performance on macroscopic view.As depicted in figs. 1 and 2, have only flaky talcum, kaolin could be the time by the extrusion moulding of die-cut groove talcum, kaolin crystal radially 4 be parallel to moulding after honeycomb ceramic kitchen range sheet blank grid wall 1 direction and align, and in the blank sintering procedure, cordierite crystal 3 can be that core generates with the kaolin crystal 2, and the cordierite crystal C axle 5 of negative thermal expansion coefficient can be with kaolinic radially 4 synthetic in the same way.The reasonably combined content that can improve synthesis of dichroite of the granularity of raw material helps aligning of C axle, and the honeycomb ceramic kitchen range sheet product after also helping burning till obtains suitable stable water-intake rate.In order to align better, steatitic granularity and kaolinic granularity must be mated, and we draw: the steatitic granularity should be than kaolin coarse size more than three times.Thin more helping more of the granularity of Calcined polishing aluminum oxide reacts completely, but granularity is meticulous, burns till and shrinks greatly, and water-intake rate diminishes.Silicon-dioxide burns till contraction (fine setting) in order to adjust, and therefore, granularity has multiple.By rational gradation composition to raw material granularity, can further reduce the thermal expansivity of finished product, control suitable stable water-intake rate, also help improving simultaneously other performances such as intensity of product.
The honeycomb ceramic kitchen range sheet green compact are used microwave drying earlier, in 70-120 ℃ kiln, can effectively prevent the distortion and the cracking of base substrate again in dry 3-8 hour, improve the yield rate of product.
The stage of burning till take in the kiln temperature from 1100 ℃ of temperature rise rates that rise to 1300 ℃ greater than 100 ℃/hour, 1300 ℃ of temperature rise rates that rise to 1430 ℃ are less than 50 ℃/hour, insulation was more than 5 hours after temperature in the kiln reached 1430 ℃, not only can improve content of cordierite in the product, simultaneously water-intake rate that also can the better controlled product.
Through test, adopt the honeycomb ceramic kitchen range sheet performance perameter of explained hereafter of the present invention as follows:
The coefficient of expansion: less than 1.4 * 10
-6/ ℃;
Thermal-shock resistance: ftracture for 8 times with 25 ℃ of cold water chillings during 800 ℃ of states;
Ultimate compression strength: greater than 12MPa;
Water-intake rate: stable being controlled in the scope of 20%-25%;
Softening temperature: 1360 ℃.
Description of drawings
Fig. 1 is the cordierite crystal structure iron
Fig. 2 is the honeycomb ceramic kitchen range sheet and the composition crystalline structure schematic diagram of extrusion molding
Mark lists as follows among the figure:
1, honeycomb ceramic kitchen range sheet blank grid wall; 2, kaolin crystal; 3, cordierite crystal; 4, the kaolin crystal radially; 5, cordierite crystal C axle.
Embodiment
The present invention will be described in detail below by specific examples.
Embodiment 1:
Make low expansion coefficient honeycomb ceramic kitchen range sheet technology:
A, select materials, select feed kaolin, talcum, aluminum oxide and silicon-dioxide for use, wherein kaolin, steatitic purity are more than 95%, and the purity of aluminum oxide, silicon-dioxide is more than 99%.The synthetic trichroite can align in the product in order to make, and selected raw material must have platy shaped particle, therefore, selects lepidiod kaolin for use, generally is weathering, and appositional pattern kaolin is through washing post-treatment powdering; Select the big foliated talc of radius-thickness ratio for use, perhaps enough thin granular talcum (talcum after guaranteeing to process in the form of sheets) so just can make the synthetic cordierite crystal align.
The pattern of above-mentioned raw materials and granularity are:
| Raw material | Pattern | Granularity |
| Talcum | Sheet | D 50＝10μm |
| Kaolin | Flakey | D 50＝2μm |
| Calcined polishing aluminum oxide | Granular | D 50＝1μm |
| Silicon-dioxide | Granular | D 50＝1μm |
And the control ratio to the impurity compound of forming each raw material requires as follows:
| Raw material | Requirement |
| Talcum | CaO≤0.5％，K 2O+Na 2O≤0.1％ |
| Kaolin | K 2O+Na 2O≤0.1％，CaO≤0.5％ |
| Aluminum oxide | K 2O+Na 2O≤0.1％ |
| Silicon-dioxide | K 2O+Na 2O≤0.1％，CaO≤0.5％ |
And final synthetic trichroite, must control: K
2O+Na
2O≤0.2%, CaO≤0.5%.
According to MgO-Al
2O
3-SiO
2Ternary phase diagrams is selected inclined to one side aluminium district, according to SiO
2=50.8, Al
2O
3=35.5, MgO=13.7 calculates, and last experimental result also shows: having obtained the coefficient of expansion is 1.39 * 10
-6, the cordierite honeycomb ceramic kitchen range sheet product that purity is higher.
Having controlled well under the condition of the purity of above-mentioned synthesis of dichroite raw material, granularity, just can carry out next step;
B, mixing: the raw material of selecting for use in the steps A is mixed according to synthesis of dichroite proportioning commonly used, adopt following proportioning in the present embodiment:
Talcum accounts for 40% weight ratio;
Kaolin accounts for 41% weight ratio;
Aluminum oxide accounts for 17% weight ratio;
Silica comprises 2% weight ratio,
Add moulding auxiliary material caking agent MC in above-mentioned mixing raw material, proportioning is 1% of all inorganic raw material gross weights, mixes once more;
C, mix: powder raw material and binder mixtures that the B step is finished are placed in the kneader, spray into distiller liquor, distiller liquor is by the water that accounts for inorganic raw material total amount 25%, and glycerine mixes, the glycerine consumption is 0.1% of an inorganic powder gross weight, stirs and is kneaded into pug up to the mixture with powder raw material and distiller liquor;
D, vacuum pugging, the pug that step C is made is put into vacuum deairing machine and is carried out vacuum pugging, the negative pressure of the vacuum chamber of pug mill is less than-0.09MPa, in order to improve the processability of mud section, can adopt repeatedly pugging or old after again the mode of pugging improve the quality of mud section;
E, extrusion molding, the mud section that step D is produced is squeezed into the honeycomb ceramic kitchen range sheet wet base of height at 50mm-150mm in single-lead-screw extruding briquetting machine;
F, drying, earlier with microwave heating 10 minutes, in 70 ℃ kiln dry 3 hours again, the water ratio that makes base substrate was below 2% with the wet base of honeycomb ceramic kitchen range sheet of step e preparation;
G, processing are cut off processing to dried honeycomb ceramic kitchen range sheet dry body according to size, make it the size conforms design requirements, and process external waviness on the working face of the honeycomb ceramic kitchen range sheet of well cutting;
H, burn till, the honeycomb ceramic kitchen range sheet green compact that in kiln step G processed are fired into finished product, temperature is 100 ℃/hour from 1100 ℃ of temperature rise rates that rise to 1300 ℃ in the kiln, 1300 ℃ of temperature rise rates that rise to 1430 ℃ are 50 ℃/hour, and insulation was 5 hours after the temperature in the kiln reached 1430 ℃.
Adopt aforesaid method to make honeycomb ceramic kitchen range sheet, can effectively control the purity of the trichroite in the final generation ceramic product, lowered wherein basic metal and foreign matter content such as alkaline-earth metal, reduced the influence of impurity the honeycomb ceramic kitchen range sheet thermal expansivity.Also can effectively control simultaneously the crystallisation process of trichroite, produce with the high purity trichroite is the high-performance honeycomb ceramic kitchen range sheet of principal crystalline phase, the final product thermal expansivity reduces, thermal shock resistance is strong, water-intake rate is stable, softening temperature is high, has prolonged the work-ing life of kitchen range greatly thereby can make.
Embodiment 2:
Make low expansion coefficient honeycomb ceramic kitchen range sheet technology:
A, select materials, select feed kaolin, talcum, aluminum oxide and silicon-dioxide for use, wherein kaolin, steatitic purity are more than 95%, and the purity of aluminum oxide, silicon-dioxide is more than 99%.The synthetic trichroite can align in the product in order to make, and selected raw material must have platy shaped particle, therefore, selects lepidiod kaolin for use, generally is weathering, and appositional pattern kaolin is through washing post-treatment powdering; Select the big foliated talc of radius-thickness ratio for use, perhaps enough thin granular talcum (talcum after guaranteeing to process in the form of sheets) so just can make the synthetic cordierite crystal align.
The pattern of above-mentioned raw materials and granularity are:
| Raw material | Pattern | Granularity |
| Talcum | Sheet | D 50＝20μm |
| Kaolin | Flakey | D 50＝3μm |
| Calcined polishing aluminum oxide | Granular | D 50＝2μm |
| Silicon-dioxide | Granular | D 50＝5μm |
And the control ratio to the impurity compound of forming each raw material requires as follows:
| Raw material | Requirement |
| Talcum | CaO≤O.5％，K 2O+Na 2O≤0.1％ |
| Kaolin | K 2O+Na 2O≤0.1％，CaO≤0.5％ |
| Aluminum oxide | K 2O+Na 2O≤0.1％ |
| Silicon-dioxide | K 2O+Na 2O≤0.1％，CaO≤0.5％ |
And final synthetic trichroite, must control: K
2O+Na
2O≤0.2%, CaO≤0.5%.
According to MgO-Al
2O
3-SiO
2Ternary phase diagrams is selected inclined to one side aluminium district, according to SiO
2=50.8, Al
2O
3=35.5, MgO=13.7 calculates, and last experimental result also shows: having obtained the coefficient of expansion is 1.39 * 10
-6, the cordierite honeycomb ceramic kitchen range sheet product that purity is higher.
Having controlled well under the condition of the purity of above-mentioned synthesis of dichroite raw material, granularity, just can carry out next step;
B, mixing: the raw material of selecting for use in the steps A is mixed according to synthesis of dichroite proportioning commonly used, adopt following proportioning in the present embodiment:
Talcum accounts for 40% weight ratio;
Kaolin accounts for 41% weight ratio;
Aluminum oxide accounts for 17% weight ratio;
Silica comprises 2% weight ratio,
Add moulding auxiliary material caking agent MC in above-mentioned mixing raw material, proportioning is 3% of all inorganic raw material gross weights, mixes once more;
C, mix: powder raw material and binder mixtures that the B step is finished are placed in the kneader, spray into distiller liquor, and distiller liquor is by the water that accounts for inorganic raw material total amount 30%, and polyether glycol mixes, and the polyether glycol molecular formula is R[(AO)
nH], the purity requirement of this series products is more than 96%, it mainly is the macromolecule organic that carbon oxygen long-chain is formed, molecular weight is generally between 4000-60000, preferred 8000-20000 molecular weight, the model of selecting polyether glycol here for use is 1050, and its consumption is 0.3% of an inorganic powder gross weight, stirs and is kneaded into pug up to the mixture with powder raw material and distiller liquor;
D, vacuum pugging, the pug that step C is made is put into vacuum deairing machine and is carried out vacuum pugging, the negative pressure of the vacuum chamber of pug mill is less than-0.09MPa, in order to improve the processability of mud section, can adopt repeatedly pugging or old after again the mode of pugging improve the quality of mud section;
E, extrusion molding, the mud section that step D is produced is squeezed into the honeycomb ceramic kitchen range sheet wet base of height at 50mm-150mm in single-lead-screw extruding briquetting machine;
F, drying, earlier with microwave heating 13 minutes, in 85 ℃ kiln dry 5 hours again, the water ratio that makes base substrate was below 1% with the wet base of honeycomb ceramic kitchen range sheet of step e preparation;
G, processing are cut off processing to dried honeycomb ceramic kitchen range sheet dry body according to size, make it the size conforms design requirements, and process external waviness on the working face of the honeycomb ceramic kitchen range sheet of well cutting;
H, burn till, the honeycomb ceramic kitchen range sheet green compact that in kiln step G processed are fired into finished product, temperature is 105 ℃/hour from 1100 ℃ of temperature rise rates that rise to 1300 ℃ in the kiln, 1300 ℃ of temperature rise rates that rise to 1430 ℃ are 45 ℃/hour, and insulation was 5.5 hours after the temperature in the kiln reached 1430 ℃.
Adopt aforesaid method to make honeycomb ceramic kitchen range sheet, can effectively control the purity of the trichroite in the final generation ceramic product, lowered foreign matter content wherein, reduced the influence of impurity the honeycomb ceramic kitchen range sheet thermal expansivity.Also can effectively control simultaneously the crystallisation process of trichroite, produce with the high purity trichroite is the high-performance honeycomb ceramic kitchen range sheet of principal crystalline phase, the final product thermal expansivity reduces, thermal shock resistance is strong, water-intake rate is stable, softening temperature is high, has prolonged the work-ing life of kitchen range greatly thereby can make.
Embodiment 3:
Make low expansion coefficient honeycomb ceramic kitchen range sheet technology:
A, select materials, select feed kaolin, talcum, aluminum oxide and silicon-dioxide for use, wherein kaolin, steatitic purity are more than 95%, and the purity of aluminum oxide, silicon-dioxide is more than 99%.The synthetic trichroite can align in the product in order to make, and selected raw material must have platy shaped particle, therefore, selects lepidiod kaolin for use, generally is weathering, and appositional pattern kaolin is through washing post-treatment powdering; Select the big foliated talc of radius-thickness ratio for use, perhaps enough thin granular talcum (talcum after guaranteeing to process in the form of sheets) so just can make the synthetic cordierite crystal align.
The pattern of above-mentioned raw materials and granularity are:
| Raw material | Pattern | Granularity |
| Talcum | Sheet | D 50＝30μm |
| Kaolin | Flakey | D 50＝4μm |
| Calcined polishing aluminum oxide | Granular | D 50＝3μm |
| Silicon-dioxide | Granular | D 50＝10μm |
And the control ratio to the impurity compound of forming each raw material requires as follows:
| Raw material | Requirement |
| Talcum | CaO≤0.5％，K 2O+Na 2O≤0.1％ |
| Kaolin | K 2O+Na 2O≤0.1％，CaO≤0.5％ |
| Aluminum oxide | K 2O+Na 2O≤0.1％ |
| Silicon-dioxide | K 2O+Na 2O≤0.1％，CaO≤0.5％ |
And final synthetic trichroite, must control: K
2O+Na
2O≤0.2%, CaO≤0.5%.
According to MgO-Al
2O
3-SiO
2Ternary phase diagrams is selected inclined to one side aluminium district, according to SiO
2=50.8, Al
2O
3=35.5, MgO=13.7 calculates, and last experimental result also shows: having obtained the coefficient of expansion is 1.39 * 10
-6, the cordierite honeycomb ceramic kitchen range sheet product that purity is higher.
Having controlled well under the condition of the purity of above-mentioned synthesis of dichroite raw material, granularity, just can carry out next step;
B, mixing: the raw material of selecting for use in the steps A is mixed according to synthesis of dichroite proportioning commonly used, adopt following proportioning in the present embodiment:
Talcum accounts for 40% weight ratio;
Kaolin accounts for 41% weight ratio;
Aluminum oxide accounts for 17% weight ratio;
Silica comprises 2% weight ratio,
Add moulding auxiliary material caking agent MC in above-mentioned mixing raw material, proportioning is 5% of all inorganic raw material gross weights, mixes once more;
C, mix: powder raw material and binder mixtures that the B step is finished are placed in the kneader, spray into distiller liquor, and distiller liquor is by the water that accounts for inorganic raw material total amount 35%, and polyether glycol mixes, and the polyether glycol molecular formula is R[(AO)
nH], the purity requirement of this series products is more than 96%, it mainly is the macromolecule organic that carbon oxygen long-chain is formed, molecular weight is generally between 4000-60000, preferred 8000-20000 molecular weight, selecting model here for use is that 450,360 and 403 polyether glycol mixes, and the consumption of these three model polyether glycol mixed solutions is 0.5% of an inorganic powder gross weight, stirs and is kneaded into pug up to the mixture with powder raw material and distiller liquor;
D, vacuum pugging, the pug that step C is made is put into vacuum deairing machine and is carried out vacuum pugging, the negative pressure of the vacuum chamber of pug mill is less than-0.09MPa, in order to improve the processability of mud section, can adopt repeatedly pugging or old after again the mode of pugging improve the quality of mud section;
E, extrusion molding, the mud section that step D is produced is squeezed into the honeycomb ceramic kitchen range sheet wet base of height at 50mm-150mm in single-lead-screw extruding briquetting machine;
F, drying, earlier with microwave heating 15 minutes, in 90 ℃ kiln dry 6 hours again, the water ratio that makes base substrate was below 1% with the wet base of honeycomb ceramic kitchen range sheet of step e preparation;
G, processing are cut off processing to dried honeycomb ceramic kitchen range sheet dry body according to size, make it the size conforms design requirements, and process external waviness on the working face of the honeycomb ceramic kitchen range sheet of well cutting;
H, burn till, the honeycomb ceramic kitchen range sheet green compact that in kiln step G processed are fired into finished product, temperature is 107 ℃/hour from 1100 ℃ of temperature rise rates that rise to 1300 ℃ in the kiln, 1300 ℃ of temperature rise rates that rise to 1430 ℃ are 42 ℃/hour, and insulation was 6 hours after the temperature in the kiln reached 1430 ℃.
Adopt aforesaid method to make honeycomb ceramic kitchen range sheet, can effectively control the purity of the trichroite in the final generation ceramic product, lowered foreign matter content wherein, reduced the influence of impurity the honeycomb ceramic kitchen range sheet thermal expansivity.Also can effectively control simultaneously the crystallisation process of trichroite, produce with the high purity trichroite is the high-performance honeycomb ceramic kitchen range sheet of principal crystalline phase, the final product thermal expansivity reduces, thermal shock resistance is strong, water-intake rate is stable, softening temperature is high, has prolonged the work-ing life of kitchen range greatly thereby can make.
Embodiment 4:
Make low expansion coefficient honeycomb ceramic kitchen range sheet technology:
A, select materials, select feed kaolin, talcum, aluminum oxide and silicon-dioxide for use, wherein kaolin, steatitic purity are more than 95%, and the purity of aluminum oxide, silicon-dioxide is more than 99%.The synthetic trichroite can align in the product in order to make, and selected raw material must have platy shaped particle, therefore, selects lepidiod kaolin for use, generally is weathering, and appositional pattern kaolin is through washing post-treatment powdering; Select the big foliated talc of radius-thickness ratio for use, perhaps enough thin granular talcum (talcum after guaranteeing to process in the form of sheets) so just can make the synthetic cordierite crystal align.
The pattern of above-mentioned raw materials and granularity are:
| Raw material | Pattern | Granularity |
| Talcum | Sheet | D 50＝40μm |
| Kaolin | Flakey | D 50＝5μm |
| Calcined polishing aluminum oxide | Granular | D 50＝3μm |
| Silicon-dioxide | Granular | D 50＝10μm |
And the control ratio to the impurity compound of forming each raw material requires as follows:
| Raw material | Requirement |
| Talcum | CaO≤0.5％，K 2O+Na 2O≤0.1％ |
| Kaolin | K 2O+Na 2O≤0.1％，CaO≤0.5％ |
| Aluminum oxide | K 2O+Na 2O≤0.1％ |
| Silicon-dioxide | K 2O+Na 2O≤0.1％，CaO≤0.5％ |
And final synthetic trichroite, must control: K
2O+Na
2O≤0.2%, CaO≤0.5%.
According to MgO-Al
2O
3-SiO
2Ternary phase diagrams is selected inclined to one side aluminium district, according to SiO
2=50.8, Al
2O
3=35.5, MgO=13.7 calculates, and last experimental result also shows: having obtained the coefficient of expansion is 1.39 * 10
-6, the cordierite honeycomb ceramic kitchen range sheet product that purity is higher.
Having controlled well under the condition of the purity of above-mentioned synthesis of dichroite raw material, granularity, just can carry out next step;
B, mixing: the raw material of selecting for use in the steps A is mixed according to synthesis of dichroite proportioning commonly used, adopt following proportioning in the present embodiment:
Talcum accounts for 40% weight ratio;
Kaolin accounts for 41% weight ratio;
Aluminum oxide accounts for 17% weight ratio;
Silica comprises 2% weight ratio,
Add moulding auxiliary material caking agent MC in above-mentioned mixing raw material, proportioning is 7% of all inorganic raw material gross weights, mixes once more;
C, mix: powder raw material and binder mixtures that the B step is finished are placed in the kneader, spray into distiller liquor, and distiller liquor is by the water that accounts for inorganic raw material total amount 40%, and polyether glycol mixes, and the polyether glycol molecular formula is R[(AO)
nH], the purity requirement of this series products is more than 96%, it mainly is the macromolecule organic that carbon oxygen long-chain is formed, molecular weight is generally between 4000-60000, preferred 8000-20000 molecular weight, selecting model here for use is that 210 and 220 polyether glycol mixes, and the consumption of these two model polyether glycol mixed solutions is 1% of an inorganic powder gross weight, stirs and is kneaded into pug up to the mixture with powder raw material and distiller liquor;
D, vacuum pugging, the pug that step C is made is put into vacuum deairing machine and is carried out vacuum pugging, the negative pressure of the vacuum chamber of pug mill is less than-0.09MPa, in order to improve the processability of mud section, can adopt repeatedly pugging or old after again the mode of pugging improve the quality of mud section;
E, extrusion molding, the mud section that step D is produced is squeezed into the honeycomb ceramic kitchen range sheet wet base of height at 50mm-150mm in single-lead-screw extruding briquetting machine;
F, drying, earlier with microwave heating 18 minutes, in 100 ℃ kiln dry 7 hours again, the water ratio that makes base substrate was below 1% with the wet base of honeycomb ceramic kitchen range sheet of step e preparation;
G, processing are cut off processing to dried honeycomb ceramic kitchen range sheet dry body according to size, make it the size conforms design requirements, and process external waviness on the working face of the honeycomb ceramic kitchen range sheet of well cutting;
H, burn till, the honeycomb ceramic kitchen range sheet green compact that in kiln step G processed are fired into finished product, temperature is 110 ℃/hour from 1100 ℃ of temperature rise rates that rise to 1300 ℃ in the kiln, 1300 ℃ of temperature rise rates that rise to 1430 ℃ are 40 ℃/hour, and insulation was 6.5 hours after the temperature in the kiln reached 1430 ℃.
Adopt aforesaid method to make honeycomb ceramic kitchen range sheet, can effectively control the purity of the trichroite in the final generation ceramic product, lowered foreign matter content wherein, reduced the influence of impurity the honeycomb ceramic kitchen range sheet thermal expansivity.Also can effectively control simultaneously the crystallisation process of trichroite, produce with the high purity trichroite is the high-performance honeycomb ceramic kitchen range sheet of principal crystalline phase, the final product thermal expansivity reduces, thermal shock resistance is strong, water-intake rate is stable, softening temperature is high, has prolonged the work-ing life of kitchen range greatly thereby can make.
Embodiment 5:
Make low expansion coefficient honeycomb ceramic kitchen range sheet technology:
A, select materials, select feed kaolin, talcum, aluminum oxide and silicon-dioxide for use, wherein kaolin, steatitic purity are more than 95%, and the purity of aluminum oxide, silicon-dioxide is more than 99%.The synthetic trichroite can align in the product in order to make, and selected raw material must have platy shaped particle, therefore, selects lepidiod kaolin for use, generally is weathering, and appositional pattern kaolin is through washing post-treatment powdering; Select the big foliated talc of radius-thickness ratio for use, perhaps enough thin granular talcum (talcum after guaranteeing to process in the form of sheets) so just can make the synthetic cordierite crystal align.
The pattern of above-mentioned raw materials and granularity are:
| Raw material | Pattern | Granularity |
| Talcum | Sheet | D 50＝35μm |
| Kaolin | Flakey | D 50＝4.5μm |
| Calcined polishing aluminum oxide | Granular | D 50＝2.5μm |
| Silicon-dioxide | Granular | D 50＝5μm |
And the control ratio to the impurity compound of forming each raw material requires as follows:
| Raw material | Requirement |
| Talcum | CaO≤0.5％，K 2O+Na 2O≤0.1％ |
| Kaolin | K 2O+Na 2O≤0.1％，CaO≤0.5％ |
| Aluminum oxide | K 2O+Na 2O≤0.1％ |
| Silicon-dioxide | K 2O+Na 2O≤0.1％，CaO≤0.5％ |
And final synthetic trichroite, must control: K
2O+Na
2O≤0.2%, CaO≤0.5%.
According to MgO-Al
2O
3-SiO
2Ternary phase diagrams is selected inclined to one side aluminium district, according to SiO
2=50.8, Al
2O
3=35.5, MgO=13.7 calculates, and last experimental result also shows: having obtained the coefficient of expansion is 1.39 * 10
-6, the cordierite honeycomb ceramic kitchen range sheet product that purity is higher.
Having controlled well under the condition of the purity of above-mentioned synthesis of dichroite raw material, granularity, just can carry out next step;
B, mixing: the raw material of selecting for use in the steps A is mixed according to synthesis of dichroite proportioning commonly used, adopt following proportioning in the present embodiment:
Talcum accounts for 40% weight ratio;
Kaolin accounts for 41% weight ratio;
Aluminum oxide accounts for 17% weight ratio;
Silica comprises 2% weight ratio,
Add moulding auxiliary material caking agent MC in above-mentioned mixing raw material, proportioning is 8% of all inorganic raw material gross weights, mixes once more;
C, mix: powder raw material and binder mixtures that the B step is finished are placed in the kneader, spray into distiller liquor, and distiller liquor is by the water that accounts for inorganic raw material total amount 45%, and polyether glycol mixes, and the polyether glycol molecular formula is R[(AO)
nH], the purity requirement of this series products is more than 96%, it mainly is the macromolecule organic that carbon oxygen long-chain is formed, molecular weight is generally between 4000-60000, preferred 8000-20000 molecular weight, selecting model here for use is that 451 and 365 polyether glycol mixes, and the consumption of these two model polyether glycol mixed solutions is 1.5% of an inorganic powder gross weight, stirs and is kneaded into pug up to the mixture with powder raw material and distiller liquor;
D, vacuum pugging, the pug that step C is made is put into vacuum deairing machine and is carried out vacuum pugging, the negative pressure of the vacuum chamber of pug mill is less than-0.09MPa, in order to improve the processability of mud section, can adopt repeatedly pugging or old after again the mode of pugging improve the quality of mud section;
E, extrusion molding, the mud section that step D is produced is squeezed into the honeycomb ceramic kitchen range sheet wet base of height at 50mm-150mm in single-lead-screw extruding briquetting machine;
F, drying, earlier with microwave heating 20 minutes, in 120 ℃ kiln dry 8 hours again, the water ratio that makes base substrate was below 1% with the wet base of honeycomb ceramic kitchen range sheet of step e preparation;
G, processing are cut off processing to dried honeycomb ceramic kitchen range sheet dry body according to size, make it the size conforms design requirements, and process external waviness on the working face of the honeycomb ceramic kitchen range sheet of well cutting;
H, burn till, the honeycomb ceramic kitchen range sheet green compact that in kiln step G processed are fired into finished product, temperature is 108 ℃/hour from 1100 ℃ of temperature rise rates that rise to 1300 ℃ in the kiln, 1300 ℃ of temperature rise rates that rise to 1430 ℃ are 47 ℃/hour, and insulation was 5.5 hours after the temperature in the kiln reached 1430 ℃.
Adopt aforesaid method to make honeycomb ceramic kitchen range sheet, can effectively control the purity of the trichroite in the final generation ceramic product, lowered foreign matter content wherein, reduced the influence of impurity the honeycomb ceramic kitchen range sheet thermal expansivity.Also can effectively control simultaneously the crystallisation process of trichroite, produce with the high purity trichroite is the high-performance honeycomb ceramic kitchen range sheet of principal crystalline phase, the final product thermal expansivity reduces, thermal shock resistance is strong, water-intake rate is stable, softening temperature is high, has prolonged the work-ing life of kitchen range greatly thereby can make.
Should be pointed out that the above embodiment can make those skilled in the art more fully understand the present invention, but do not limit the present invention in any way.Therefore, although this specification sheets has been described in detail the present invention with reference to drawings and Examples,, it will be appreciated by those skilled in the art that still and can make amendment or be equal to replacement the present invention; And all do not break away from the technical scheme and the improvement thereof of the spirit and scope of the present invention, and it all should be encompassed in the middle of the protection domain of patent of the present invention.
Claims (9)
1, a kind of technology of making low expansion coefficient honeycomb ceramic kitchen range sheet is characterized in that comprising the steps:
A, select materials: select powder raw material kaolin, talcum powder, aluminum oxide and silicon-dioxide for use;
B, mixing: in the powder raw material that steps A is selected for use, add moulding auxiliary material caking agent;
C, mix: in powder raw material that the B step is finished and binder mixtures, add distiller liquor, described distiller liquor is by the water that accounts for inorganic raw material gross weight 25-45%, and at least a water soluble surfactant active mixes, described water soluble surfactant active's consumption is the 0.1-1.5% of inorganic powder gross weight, mixes and is kneaded into pug;
D, vacuum pugging: the pug that step C is made carries out vacuum pugging, practices and makes the mud section;
E, extrusion moulding: the mud section that step D is produced is squeezed into the wet base of honeycomb ceramic kitchen range sheet;
F, drying: the wet base of honeycomb ceramic kitchen range sheet of step e preparation is carried out drying;
G, processing: dried honeycomb ceramic kitchen range sheet in the F step is processed;
H, burn till: in kiln, the finished honeycomb ceramic kitchen range sheet green compact of step G are fired into finished product.
2, a kind of technology of making low expansion coefficient honeycomb ceramic kitchen range sheet according to claim 1 is characterized in that kaolin in the steps A, talcous purity greater than 95%, and the purity of aluminum oxide, silicon-dioxide is greater than 99%.
3, a kind of technology of making low expansion coefficient honeycomb ceramic kitchen range sheet according to claim 1 and 2, it is characterized in that in step H in the kiln temperature from 1100 ℃ of temperature rise rates that rise to 1300 ℃ greater than 100 ℃/hour, 1300 ℃ of temperature rise rates that rise to 1430 ℃ are incubated 5 hours for less than 50 ℃/hour after the temperature in the kiln reaches 1430 ℃ at least.
4, a kind of technology of making the low thermal coefficient of expansion honeycomb ceramic kitchen range sheet according to claim 3, it is characterized in that the kaolin crystal shape is flakey in the steps A, the talcum crystal shape is a sheet, aluminum oxide and silicon-dioxide profile in pelletized form, and the size range of above-mentioned raw materials is:
Talcum: 10 μ m～40 μ m;
Kaolin: 2 μ m～5 μ m;
Aluminum oxide: 1 μ m～3 μ m;
Silicon-dioxide: 1 μ m or 5 μ m or 10 μ m;
And steatitic size ratio kaolin coarse size is more than three times.
5, a kind of technology of making low expansion coefficient honeycomb ceramic kitchen range sheet according to claim 4 is characterized in that at the caking agent of moulding auxiliary material described in the step B be MC, and its ratio range is the 1-8% of all inorganic raw material gross weights, mixes once more.
6, a kind of technology of making the low thermal coefficient of expansion honeycomb ceramic kitchen range sheet according to claim 3 is characterized in that water soluble surfactant active described in the step C is one or more the mixture in glycerine or the polyether glycol.
7, a kind of technology of making the low thermal coefficient of expansion honeycomb ceramic kitchen range sheet according to claim 3 is characterized in that the negative pressure of the vacuum chamber of vacuum deairing machine among the step D is less than-0.09Mpa.
8, a kind of technology of making low expansion coefficient honeycomb ceramic kitchen range sheet according to claim 3, it is characterized in that the drying process in step F comprises: earlier with microwave heating 10-20 minute, in 70-120 ℃ kiln dry 3-8 hour again, the water ratio that guarantees base substrate was below 2%.
9, a kind of technology of making the low thermal coefficient of expansion honeycomb ceramic kitchen range sheet according to claim 1, it is characterized in that complete processing among the step G comprises processing according to the size of honeycomb ceramic kitchen range sheet makes it to adhere to specification, and the working face that also is included in ceramic kitchen range sheet processes external waviness.
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| CN102276287A (en) * | 2011-05-31 | 2011-12-14 | 宜兴王子制陶有限公司 | Preparation method for honeycomb ceramics |
| CN102815932A (en) * | 2012-09-17 | 2012-12-12 | 李少荣 | Method for adjusting firing shrinkage of cordierite honeycomb ceramics by using amorphous silicon micropowder |
| CN105777181B (en) * | 2016-03-11 | 2018-08-14 | 江苏省宜兴非金属化工机械厂有限公司 | A kind of big specification cordierite honeycomb ceramic carrier of use for diesel engine |
| CN108249904B (en) * | 2018-01-18 | 2021-07-02 | 晋城市富基新材料股份有限公司 | Honeycomb ceramic carrier with stable water absorption and preparation method thereof |
| CN109721345A (en) * | 2019-03-19 | 2019-05-07 | 长沙理工大学 | A kind of gas utensil black porous ceramics burner and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1033455A (en) * | 1987-12-09 | 1989-06-21 | 国家建筑材料工业局山东工业陶瓷研究设计院 | Cordierite-quality honeycombed ceramics |
| CN1272833A (en) * | 1997-10-03 | 2000-11-08 | 康宁股份有限公司 | Method for firing ceramic honeycomb bodies |
-
2006
- 2006-08-11 CN CNB2006100892447A patent/CN100445238C/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1033455A (en) * | 1987-12-09 | 1989-06-21 | 国家建筑材料工业局山东工业陶瓷研究设计院 | Cordierite-quality honeycombed ceramics |
| CN1272833A (en) * | 1997-10-03 | 2000-11-08 | 康宁股份有限公司 | Method for firing ceramic honeycomb bodies |
Non-Patent Citations (4)
| Title |
|---|
| 堇青石质蜂窝陶瓷载体. 周燕，徐晓虹，陈虹.陶瓷研究，第17卷第1期. 2002 |
| 堇青石质蜂窝陶瓷载体. 周燕，徐晓虹，陈虹.陶瓷研究，第17卷第1期. 2002 * |
| 超低热膨胀堇青石质蜂窝陶瓷. 白佳海，郭露村.中国陶瓷工业，第11卷第4期. 2004 |
| 超低热膨胀堇青石质蜂窝陶瓷. 白佳海，郭露村.中国陶瓷工业，第11卷第4期. 2004 * |
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