CN103588487A - Low-expansion ceramic roller, and preparation method thereof - Google Patents
Low-expansion ceramic roller, and preparation method thereof Download PDFInfo
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- CN103588487A CN103588487A CN201210292799.7A CN201210292799A CN103588487A CN 103588487 A CN103588487 A CN 103588487A CN 201210292799 A CN201210292799 A CN 201210292799A CN 103588487 A CN103588487 A CN 103588487A
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- ceramic rod
- fused alumina
- white fused
- alumina sand
- low
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- 239000000919 ceramic Substances 0.000 title claims abstract description 138
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 229910052863 mullite Inorganic materials 0.000 claims abstract description 63
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 claims abstract description 62
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 54
- 239000011707 mineral Substances 0.000 claims abstract description 54
- 239000000843 powder Substances 0.000 claims abstract description 54
- 238000000498 ball milling Methods 0.000 claims abstract description 51
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000002002 slurry Substances 0.000 claims abstract description 27
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000003756 stirring Methods 0.000 claims abstract description 26
- 239000002994 raw material Substances 0.000 claims abstract description 20
- 230000003068 static effect Effects 0.000 claims abstract description 20
- 239000002245 particle Substances 0.000 claims abstract description 16
- 238000000465 moulding Methods 0.000 claims abstract description 6
- ATYZRBBOXUWECY-UHFFFAOYSA-N zirconium;hydrate Chemical compound O.[Zr] ATYZRBBOXUWECY-UHFFFAOYSA-N 0.000 claims abstract description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 52
- 239000004576 sand Substances 0.000 claims description 52
- 239000000463 material Substances 0.000 claims description 35
- INJRKJPEYSAMPD-UHFFFAOYSA-N aluminum;silicic acid;hydrate Chemical class O.[Al].[Al].O[Si](O)(O)O INJRKJPEYSAMPD-UHFFFAOYSA-N 0.000 claims description 33
- 238000000034 method Methods 0.000 claims description 30
- 239000011230 binding agent Substances 0.000 claims description 27
- 230000008569 process Effects 0.000 claims description 24
- 238000001035 drying Methods 0.000 claims description 22
- 238000007670 refining Methods 0.000 claims description 19
- 229910052850 kyanite Inorganic materials 0.000 claims description 18
- 239000010443 kyanite Substances 0.000 claims description 18
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 16
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 16
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 16
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 16
- 239000002689 soil Substances 0.000 claims description 14
- 238000001125 extrusion Methods 0.000 claims description 13
- 229910052851 sillimanite Inorganic materials 0.000 claims description 13
- 238000005452 bending Methods 0.000 abstract description 6
- 238000001816 cooling Methods 0.000 abstract description 4
- 239000010431 corundum Substances 0.000 abstract description 3
- 229910052593 corundum Inorganic materials 0.000 abstract description 3
- 239000004927 clay Substances 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000003825 pressing Methods 0.000 abstract 1
- 238000005245 sintering Methods 0.000 abstract 1
- 230000006872 improvement Effects 0.000 description 10
- 238000000462 isostatic pressing Methods 0.000 description 9
- 238000005507 spraying Methods 0.000 description 6
- 238000001914 filtration Methods 0.000 description 5
- 239000013078 crystal Substances 0.000 description 4
- 239000011819 refractory material Substances 0.000 description 4
- 230000002968 anti-fracture Effects 0.000 description 3
- 238000013467 fragmentation Methods 0.000 description 3
- 238000006062 fragmentation reaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000011236 particulate material Substances 0.000 description 3
- 208000035126 Facies Diseases 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910001570 bauxite Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910052604 silicate mineral Inorganic materials 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
- -1 zirconium silicates Chemical class 0.000 description 1
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Abstract
The invention discloses a low-expansion ceramic roller. The low-expansion ceramic roller comprises following main raw materials: electro-fused mullite, pulverized corundum, and mineral raw materials. Thermal expansion coefficient of the low-expansion ceramic roller ranges from 3.5 to 5.8*10<-6>/DEG C. The invention also discloses a preparation method of the low-expansion ceramic roller. The preparation method comprises following steps: refractory clay, aluminum oxide, the mineral raw materials, zirconium silicate and water are delivered into a ball mill for ball milling; electro-fused mullite particles and pulverized corundum are delivered into the ball mill for a second time of ball milling or stirring so as to obtain a slurry; the slurry is dried into powder, and is subjected to moulding, isostatic static pressing processing and sintering so as to obtain the low-expansion ceramic roller with the thermal expansion coefficient of 3.5 to 5.8*10<-6>/DEG C. According to the preparation method, the thermal expansion coefficient of the low-expansion ceramic roller is relatively low, bending strength is high, quick cooling and quick heating resistance is high, service life is long, and the low-expansion ceramic roller is suitable for application in areas with large temperature difference such as preheating zone or rapid cooling zone of a roller kiln.
Description
Technical field
The present invention relates to the processing and fabricating technical field of ceramic rod, particularly a kind of low bulk type ceramic rod and preparation method thereof.
Background technology
Roller kiln are widely used in the production of building and snitaryware at present, its ceramic rod used mostly adopts is to take the corundum-mullite material that aluminum oxide and emergy be main raw material, because its principal crystalline phase contains a large amount of corundum phases, so its coefficient of expansion is larger, the thermal expansivity (room temperature～1000 ℃) of conventional ceramic roller rod is conventionally 6.0 ~ 6.5
10
-6within ℃ scope.Excessive thermal expansivity, cause ceramic rod can produce larger volumetric expansion when being heated, preheating zone and chilling band at roller rod kiln, due to crossing of cold-hot wind, at ceramic rod, there is up and down the huge temperature difference, thereby the expansion that causes ceramic rod is inconsistent, produce flexural deformation, diastrophic degree is directly proportional to the size of ceramic rod thermal expansivity.Crooked ceramic rod can cause the course of product in kiln to change, and product can push mutually or bump, thereby has had a strong impact on the quality of burning till product.
In view of this, provide a kind of ceramic rod with low thermal coefficient of expansion to overcome the defect existing in prior art, and the preparation method who provides described ceramic rod is problem demanding prompt solution in the industry.
Summary of the invention
Technical problem to be solved by this invention is, a kind of ceramic rod of low bulk type is provided, and is applicable to the larger regions of the temperature difference such as the preheating zone of roller kiln or chilling band.
Technical problem to be solved by this invention is also, a kind of method of preparing the ceramic rod of above-mentioned low bulk type is provided.
For reaching above-mentioned technique effect, the invention provides a kind of low bulk type ceramic rod, its main raw material is electrofused mullite, white fused alumina sand, raw mineral materials;
The thermal expansivity of described ceramic rod is 3.5 ~ 5.8
10
-6/ ℃.
As the improvement of such scheme, its main raw material formula by weight percentage of described ceramic rod is as follows:
Electrofused mullite 20 ~ 40%
White fused alumina sand 2 ~ 20%
Raw mineral materials 2 ~ 20%
Fireclay 15 ~ 50%
Aluminum oxide 10 ~ 40%
Zirconium silicate 1 ~ 15%.
As the improvement of such scheme, described raw mineral materials is selected one or more in kyanite class mineral;
Described kyanite class mineral comprise kyanite, sillimanite and andaluzite.
As the improvement of such scheme, the fineness of described raw mineral materials is 3 ~ 40
, the granularity of described electrofused mullite and white fused alumina sand is 30 ~ 150 orders, described aluminum oxide grain size is 0.1 ~ 10
.
As the improvement of such scheme, the weight ratio of described electrofused mullite and white fused alumina sand is 2.5 ~ 3.5:0.5 ~ 1.5.
As the improvement of such scheme, described ceramic rod raw material by weight percentage also comprises:
Binding agent 0.1 ~ 5.0%;
Described binding agent is carboxymethyl cellulose.
Correspondingly, for reaching above-mentioned technique effect, the present invention also provides a kind of preparation method of low bulk type ceramic rod, comprising:
By fireclay, aluminum oxide, raw mineral materials, zirconium silicate and water join and in ball mill, carry out one time ball milling;
Electrofused mullite particle and white fused alumina sand are joined in described ball mill, carry out secondary ball milling or stirring, obtain slurry;
Described slurry is dried into powder, then through moulding, etc. static pressure to obtain thermal expansivity after processing, burning till be 3.5～5.8
10
-6/ ℃ ceramic rod.
As the improvement of such scheme, the time of a described ball milling is controlled at 0.5 ~ 2h, and the time of described secondary ball milling or stirring is controlled at 0.1 ~ 1h.
As the improvement of such scheme, described slurry is dried into powder, then through moulding, etc. static pressure to obtain thermal expansivity after processing, burning till be 3.5～5.8
10
-6/ ℃ the step of ceramic rod in, comprising:
Described slurry is dried into powder;
Add binding agent and water, described binding agent and described powder stirring is even, obtain pug;
Described pug is carried out to mud refining by soil kneader, obtain mud bar;
Described mud bar is carried out to plasticity extrusion moulding by forcing machine, obtain ceramic rod base pipe;
Described ceramic rod base pipe is dried;
By described, through the ceramic rod base pipe of drying, wait static pressure to process, the described pressure-controlling of static pressure processing that waits is in the scope of 50 ~ 250Mpa;
The ceramic rod base pipe high temperature at 1500 ~ 1700 ℃ that waits static pressure to process described process burns till, and obtaining thermal expansivity is 3.5 ~ 5.8
10
-6/ ℃ ceramic rod.
As the improvement of such scheme, described ceramic rod main raw material formula is by weight percentage as follows:
Electrofused mullite 20 ~ 40%
White fused alumina sand 2 ~ 20%
Raw mineral materials 2 ~ 20%
Fireclay 15 ~ 50%
Aluminum oxide 10 ~ 40%
Zirconium silicate 1 ~ 15%;
Binding agent 0.1 ~ 5.0%;
Described raw mineral materials is selected one or more in kyanite class mineral, and described kyanite class mineral comprise kyanite, sillimanite and andaluzite;
The fineness of described raw mineral materials is 3 ~ 40
, the granularity of described electrofused mullite and white fused alumina sand is 30 ~ 150 orders, described aluminum oxide grain size is 0.1 ~ 10
;
The weight ratio of described electrofused mullite and white fused alumina sand is 2.5 ~ 3.5:0.5 ~ 1.5;
Described binding agent is carboxymethyl cellulose.
Implement the present invention and there is following beneficial effect:
In relating to the professional skill field of ceramic rod, compared with prior art, under the condition of room temperature～1000 ℃, the thermal expansivity of existing ceramic rod is generally 6.0 ~ 6.5
10
-6℃.And the technological merit of ceramic rod of the present invention is to have lower thermal expansivity 3.5 ~ 5.8
10
-6/ ℃ (room temperature～1000 ℃).The preheating zone that low bulk type ceramic rod of the present invention temperature difference in roller kiln is larger and chilling band are not easy to bend while using, thereby guarantee the normal operation of burning till product, solved conventional roller rod in this region easy diastrophic problem.The production cost of this ceramic rod and conventional roller rod are basic identical, and anti-bending strength outclass conventional ceramic roller rod, one of requisite auxiliary products that genus ceramic rod is used in roller kiln.Particularly, its principle is as follows:
The kyanite class raw mineral materials (comprising kyanite, sillimanite and andaluzite) that the present invention adopts, can at high temperature produce acicular mullite crystal seed, existence due to mullite seed, can promote the formation of ceramic rod mullite crystal, thereby improved the mullitization in ceramic rod, reduced the coefficient of expansion of ceramic rod.
The present invention has introduced part zirconium silicate in ceramic rod substrate material, and at high temperature zirconium silicate can decomposite zirconium white, thereby mullite is played to toughness reinforcing enhancement, improves the applied at elevated temperature performance of ceramic rod.
Ceramic rod aggregate in the present invention adopts is that the mode of electrofused mullite and the combination of white fused alumina sand facies adds, electrofused mullite add the coefficient of expansion that can greatly reduce ceramic rod, but because the intensity of electrofused mullite is lower, when being subject to external mechanical force impact, easily there is transgranular fracture, and roller rod was lost efficacy.Therefore, introducing portion white fused alumina sand in electrofused mullite, when being subject to external mechanical force impact, the white fused alumina sand that intensity is higher can stop the continuation expansion of crackle, thereby improves the anti-breaking tenacity of ceramic rod integral body.In addition, the existence of white fused alumina sand, burns till in process of cooling at roller rod, due to the problem of expansion mismatch, can be at surrounding's generation fine crack of white fused alumina sand, and the existence meeting of these fine cracks further improves fracture toughness property and the anti-rapid heat cycle performance of ceramic rod.
In the present invention, ceramic rod has adopted the technique that waits static pressure to process, ceramic rod base pipe is under huge pressure, and the particulate material in base pipe can be reset, and forms crisscross structure, improve the mechanical property of this ceramic rod, and then extended the work-ing life of this ceramic rod.
In sum, ceramic rod of the present invention has lower thermal expansivity, and bending strength is high, and anti-fracture toughness property is good, and anti-rapid heat cycle performance is good, and long service life is applicable to the larger regions of the temperature difference such as the preheating zone of roller kiln or chilling band.
Accompanying drawing explanation
Fig. 1 is the preparation method's of a kind of low bulk type of the present invention ceramic rod schema;
Fig. 2 is the preparation method's of a kind of low bulk type of the present invention ceramic rod another schema.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, the present invention is described in further detail.
The embodiment of the present invention provides a kind of low bulk type ceramic rod, and its main raw material is electrofused mullite, white fused alumina sand, raw mineral materials;
The thermal expansivity of described ceramic rod is 3.5 ~ 5.8
10
-6/ ℃.
Preferably, the thermal expansivity of described ceramic rod is 4.0 ~ 5.5
10
-6/ ℃.
It should be noted that, the thermal expansivity of described ceramic rod is the thermal expansivity under room temperature to 1000 ℃ condition.
Its main raw material formula by weight percentage of described ceramic rod is as follows:
Electrofused mullite 20 ~ 40%
White fused alumina sand 2 ~ 20%
Raw mineral materials 2 ~ 20%
Fireclay 15 ~ 50%
Aluminum oxide 10 ~ 40%
Zirconium silicate 1 ~ 15%.
Preferably, its main raw material formula by weight percentage of described ceramic rod is as follows:
Electrofused mullite 25 ~ 30%
White fused alumina sand 5 ~ 15%
Raw mineral materials 5 ~ 15%
Fireclay 20 ~ 40%
Aluminum oxide 15 ~ 30%
Zirconium silicate 3 ~ 10%.
It should be noted that, described ceramic rod raw material by weight percentage, also comprises:
Binding agent 0.1 ~ 5.0%.
Preferably, the add-on of described binding agent is 1.0 ~ 3.0%.
In the main raw material formula of above-mentioned ceramic rod:
One, described raw mineral materials is selected one or more in kyanite class mineral; Described kyanite class mineral comprise kyanite, sillimanite and andaluzite.
Preferably, described raw mineral materials is selected a kind of in kyanite, sillimanite and andaluzite.
The fineness of described raw mineral materials is 3 ~ 40
.
Preferably, the fineness of described raw mineral materials is 10 ~ 30
.
It should be noted that, kyanite class mineral belong to high aluminum mineral raw material, and it comprises the anhydrous silicate mineral of kyanite, sillimanite (having another name called sillmanite, fibrolite) and 3 kinds of isomerisms of andaluzite, and its chemical composition is Al
2o
3siO
2.Kyanite mineral have following operational characteristic: 1. thermal expansivity: kyanite mineral are cubical expansivity 16%-18% in heat-processed.2. stability: it is higher 1.5 times than fireclay refractory that kyanite mineral are produced refractory materials stability.3. refractoriness is high: the refractoriness of general fireclay refractory is 1670-1770 ℃, and the refractory materials of kyanite is greater than 1790 ℃ conventionally, the tallest and the biggest in 1850 ℃.4. non-reversibility: the calcination of kyanite mineral becomes mullite, is an irreversible conversion.In temperature, below 1810 ℃, it is stable.
Therefore, the kyanite class raw mineral materials (comprising kyanite, sillimanite and andaluzite) that ceramic rod of the present invention adopts, can at high temperature produce acicular mullite crystal seed, existence due to mullite seed, can promote the formation of ceramic rod mullite crystal, thereby improved the mullitization in ceramic rod, reduced the coefficient of expansion of ceramic rod.Mullite refractory has the advantages that high temperature lower volume is stable, rate of expansion is low, resistance to chemical corrosion is strong, physical strength is high and thermal shock resistance is strong.
Two, the present invention has introduced 1 ~ 15% zirconium silicate in ceramic rod substrate material, and at high temperature zirconium silicate can decomposite zirconium white, thereby mullite is played to toughness reinforcing enhancement, improves the applied at elevated temperature performance of ceramic rod.
Three, the granularity of described electrofused mullite and white fused alumina sand is 30 ~ 150 orders.
Preferably, the granularity of electrofused mullite and white fused alumina sand is 40 ~ 120 orders.
The weight ratio of described electrofused mullite and white fused alumina sand is 2.5 ~ 3.5:0.5 ~ 1.5.
Preferably, the weight ratio of described electrofused mullite and white fused alumina sand is 3:1.
Ceramic rod aggregate in the present invention adopts is that the mode of electrofused mullite and the combination of white fused alumina sand facies adds, electrofused mullite add the coefficient of expansion that can greatly reduce ceramic rod, but because the intensity of electrofused mullite is lower, when being subject to external mechanical force impact, easily there is transgranular fracture, and roller rod was lost efficacy.Therefore, introducing portion white fused alumina sand in electrofused mullite, when being subject to external mechanical force impact, the white fused alumina sand that intensity is higher can stop the continuation expansion of crackle, thereby improves the anti-breaking tenacity of ceramic rod integral body.In addition, the existence of white fused alumina sand, burns till in process of cooling at roller rod, due to the problem of expansion mismatch, can be at surrounding's generation fine crack of white fused alumina sand, and the existence meeting of these fine cracks further improves fracture toughness property and the anti-rapid heat cycle performance of ceramic rod.
Four, described aluminum oxide grain size is 0.1 ~ 10
.
Preferably, described aluminum oxide grain size is 1 ~ 5
.
Five, described binding agent can be selected carboxymethyl cellulose.
Six, the present invention adopts 15 ~ 50% fireclay.
Wherein, fireclay refers to that refractoriness is greater than 1580 ℃, can does the clay of refractory materials and as the bauxite of refractory materials.Except having higher refractoriness, under hot conditions, can keep the stability of volume, and there is slag resistance, the resistivity to rapid heat cycle, and certain physical strength, extremely firm after calcining.
In a word, ceramic rod of the present invention has lower thermal expansivity, and the preheating zone that the temperature difference is larger in roller kiln and chilling band are not easy to bend while using, and bending strength is high, and anti-fracture toughness property is good, and anti-rapid heat cycle performance is good, long service life.The present invention is applicable to the larger regions of the temperature difference such as the preheating zone of roller kiln or chilling band, belongs to one of requisite auxiliary products that ceramic rod uses in roller kiln.
Correspondingly, referring to Fig. 1, the present invention also provides a kind of preparation method of low bulk type ceramic rod, comprising:
S101, by fireclay, aluminum oxide, raw mineral materials, zirconium silicate and water join and in ball mill, carry out one time ball milling.
The time of a described ball milling is controlled at 0.5 ~ 2h.
S102, joins electrofused mullite particle and white fused alumina sand in described ball mill, carries out secondary ball milling or stirring, obtains slurry.
The time of described secondary ball milling or stirring is controlled at 0.1 ~ 1h.
In step S101 and S102, described ceramic rod raw material is pressed the adding successively of surface compositions (weight percent):
Electrofused mullite 20 ~ 40%
White fused alumina sand 2 ~ 20%
Raw mineral materials 2 ~ 20%
Fireclay 15 ~ 50%
Aluminum oxide 10 ~ 40%
Zirconium silicate 1 ~ 15%.
Preferably, its main raw material formula by weight percentage of described ceramic rod is as follows:
Electrofused mullite 25 ~ 30%
White fused alumina sand 5 ~ 15%
Raw mineral materials 5 ~ 15%
Fireclay 20 ~ 40%
Aluminum oxide 15 ~ 30%
Zirconium silicate 3 ~ 10%.
S103, is dried into powder by described slurry, then through moulding, etc. static pressure to obtain thermal expansivity after processing, burning till be 3.5 ~ 5.8
10
-6/ ℃ ceramic rod.
Preferably, the thermal expansivity of described ceramic rod is 4.0 ~ 5.5
10
-6/ ℃.
It should be noted that, the thermal expansivity of described ceramic rod is the thermal expansivity under room temperature to 1000 ℃ condition.
In step S103, comprising:
Described slurry is dried into powder;
Adopt mist projection granulating complete processing, make ceramic rod stock be processed into the particulate material that possesses certain fluidity;
Add binding agent and water, described binding agent and described powder stirring is even, obtain pug;
Described pug is carried out to mud refining by soil kneader, obtain mud bar;
Described mud bar is carried out to plasticity extrusion moulding by forcing machine, obtain ceramic rod base pipe;
Described ceramic rod base pipe is dried;
By described, through the ceramic rod base pipe of drying, wait static pressure to process, the described pressure-controlling of static pressure processing that waits is in the scope of 50 ~ 250Mpa;
The ceramic rod base pipe high temperature at 1500 ~ 1700 ℃ that waits static pressure to process described process burns till, and obtaining thermal expansivity is 3.5 ~ 5.8
10
-6/ ℃ ceramic rod.
It should be noted that, the add-on of binding agent is 0.1 ~ 5.0%, and binding agent can be selected carboxymethyl cellulose.
Preferably, the add-on of described binding agent is 1.0 ~ 3.0%.
In conjunction with the schema of Fig. 2, the preparation method of a kind of low bulk type of the present invention ceramic rod is carried out to more detailed elaboration, comprising:
S201, by fireclay, aluminum oxide, raw mineral materials, zirconium silicate and water join and in ball mill, carry out one time ball milling.
The time of a described ball milling is controlled at 0.5 ~ 2h.Preferably, the time of a described ball milling is controlled at 1h.
Preferably, by 15 ~ 50% fireclays, 10 ~ 40% aluminum oxide, 2 ~ 20% raw mineral materialss, 1 ~ 15% zirconium silicate and additional 20 ~ 35% water join and in ball mill, carry out one time ball milling 0.5 ~ 2h.
More preferably, by 20 ~ 40% fireclays, 15 ~ 30% aluminum oxide, 5 ~ 15% raw mineral materialss, 3 ~ 10% zirconium silicates and additional 25 ~ 30% water join and in ball mill, carry out one time ball milling 1h.
It should be noted that, described raw mineral materials is selected one or more in kyanite class mineral; Described kyanite class mineral comprise kyanite, sillimanite and andaluzite.
The fineness of described raw mineral materials is 3 ~ 40
.
Preferably, the fineness of described raw mineral materials is 10 ~ 30
.
Described aluminum oxide grain size is 0.1 ~ 10
.
Preferably, described aluminum oxide grain size is 1 ~ 5
.
S202, joins electrofused mullite particle and white fused alumina sand in described ball mill, carries out secondary ball milling or stirring, obtains slurry.
The time of described secondary ball milling or stirring is controlled at 0.1 ~ 1h.Preferably, the time of described secondary ball milling or stirring is controlled at 0.5h.
Preferably, 20 ~ 40% electrofused mullite particles and 2 ~ 20% white fused alumina sand are joined in described ball mill, carry out secondary ball milling or stir 0.1 ~ 1h, obtain slurry.
More preferably, 25 ~ 30% electrofused mullite particles and 5 ~ 15% white fused alumina sand are joined in described ball mill, carry out secondary ball milling or stir 0.5h, obtain slurry.
It should be noted that, the granularity of described electrofused mullite and white fused alumina sand is 30 ~ 150 orders.
Preferably, the granularity of electrofused mullite and white fused alumina sand is 40 ~ 120 orders.
Further, the weight ratio of described electrofused mullite and white fused alumina sand is 2.5 ~ 3.5:0.5 ~ 1.5.
Preferably, the weight ratio of described electrofused mullite and white fused alumina sand is 3:1.
S203, is dried into powder by described slurry.
The described mode that slurry is dried into powder can be selected the dry or press filtration mud refining of spray dried.
The water content of the powder after described oven dry is 1 ~ 10%.
Preferably, the water content of the powder after described oven dry is 2 ~ 8%.
Adopt mist projection granulating complete processing or press filtration mud refining technique, make ceramic rod stock be processed into the particulate material that possesses certain fluidity, its tap density of such stock is higher, more easily mixes with binding agent.
S204, adds binding agent and water, and described binding agent and described powder stirring is even, obtains pug.
Particularly, add after 0.1 ~ 5.0% binding agent and additional 10 ~ 18% water, described binding agent and described powder stirring is even, obtain pug.
Preferably, the add-on of described binding agent is 1.0 ~ 3.0%.
Described binding agent can be selected carboxymethyl cellulose.
S205, carries out mud refining by described pug by soil kneader, obtains mud bar.
Described soil kneader can be selected hydraulic direct pushing-type soil kneader or spiral soil kneader.
Preferably, described pug is carried out to mud refining 2 ~ 3 times by soil kneader, obtain mud bar.
S206, by carrying out plasticity extrusion moulding in forcing machine, obtains ceramic rod base pipe by described mud bar.
Described forcing machine can be selected hydraulic direct pushing-type plasticity forcing machine or spiral plasticity forcing machine.
S207, dries described ceramic rod base pipe.
The moisture of the described ceramic rod base pipe through oven dry is 0.5 ~ 3%.
Preferably, the moisture of the described ceramic rod base pipe through oven dry is 1 ~ 2%.
S208, waits static pressure to process described through the ceramic rod base pipe of drying.
The described pressure-controlling of static pressure processing that waits is in the scope of 50 ~ 250Mpa.
Preferably, the described pressure-controlling of static pressure processing that waits is in the scope of 60 ~ 200Mpa.
S209, the ceramic rod base pipe high temperature at 1500 ~ 1700 ℃ that waits static pressure to process described process burns till, and obtaining thermal expansivity is 3.5 ~ 5.8
10
-6/ ℃ ceramic rod.
Preferably, the temperature that high temperature burns till is 1550 ~ 1650 ℃.
Preferably, the thermal expansivity of described ceramic rod is 4.0 ~ 5.5
10
-6/ ℃.
It should be noted that, the thermal expansivity of described ceramic rod is the thermal expansivity under room temperature to 1000 ℃ condition.
With specific embodiment, further illustrate the present invention below
Embodiment 1
First by the fireclay of 2250Kg, the aluminum oxide fine powder of 1350Kg, the kyanite fine powder of 600Kg, and the zirconium silicate of 450Kg and the water of 2200Kg joins in the ball mill of 5000L capacity ball milling approximately 1 hour, and then add the electrofused mullite particle of 2138Kg and the white fused alumina sand of 712Kg ball milling 0.5 hour again.
Slurry that ball milling goes out is 5% powder through the dry water ratio that is prepared into of spraying; the powder of drying out adds the carboxymethyl cellulose of 2.0wt%; after the water of additional 15wt%, in machine,massing, stir 20 minutes; then adopt twice of hydraulic direct pushing-type tablets press mud refining, then adopt hydraulic direct pushing-type to go out to manage the extrusion moulding of machine plasticity; the base pipe of forming carries out isostatic pressing process processing after drying under the pressure of 100Mpa; then at 1550 ~ 1650 ℃, under high temperature, burn till, the thermal expansivity of the ceramic rod of preparing (room temperature～1000 ℃) is 5.35
10
-6/ ℃.
Embodiment 2
First by the fireclay of 2100Kg, the aluminum oxide fine powder of 1125Kg, the kyanite fine powder of 900Kg, and the zirconium silicate of 375Kg and the water of 2200Kg joins in the ball mill of 5000L capacity ball milling approximately 1 hour, and then add the electrofused mullite particle of 2250Kg and the white fused alumina sand of 750Kg ball milling 0.5 hour again.
The slurry that ball milling goes out is through press filtration, mud refining, oven dry fragmentation, be prepared into water ratio and be 8% powder, the powder of drying out adds the carboxymethyl cellulose of 2.8wt%, after the water of additional 12wt%, in machine,massing, stir 20 minutes, then adopt twice of spiral soil kneader mud refining, then adopt the extrusion moulding of spiral vacuum-extruder plasticity, the base pipe of forming carries out isostatic pressing process processing after drying under the pressure of 180Mpa, then at 1550 ~ 1650 ℃, under high temperature, burn till, the thermal expansivity of the ceramic rod of preparing (room temperature～1000 ℃) is 4.75
10
-6/ ℃.
Embodiment 3
First by the fireclay of 2550Kg, the aluminum oxide fine powder of 1200Kg, the kyanite fine powder of 750Kg, and the zirconium silicate of 450Kg and the water of 2200Kg joins in the ball mill of 5000L capacity ball milling approximately 1 hour, and then add the electrofused mullite particle of 1912Kg and the white fused alumina sand of 638Kg ball milling 0.5 hour again.
Slurry that ball milling goes out is 3% powder through the dry water ratio that is prepared into of spraying, the powder of drying out adds the carboxymethyl cellulose of 2.5wt%, after the water of additional 17wt%, in machine,massing, stir 20 minutes, adopt twice of spiral soil kneader mud refining, then adopt the extrusion moulding of spiral vacuum-extruder plasticity, the base pipe of forming carries out isostatic pressing process processing after drying under the pressure of 90Mpa, then at 1550 ~ 1650 ℃, under high temperature, burn till, the thermal expansivity of the ceramic rod of preparing (room temperature～1000 ℃) is 5.45
10
-6/ ℃.
Embodiment 4
First by the fireclay of 1500Kg, the aluminum oxide fine powder of 2025Kg, the sillimanite fine powder of 1125Kg, and the zirconium silicate of 750Kg and the water of 2200Kg joins in the ball mill of 5000L capacity ball milling approximately 0.5 hour, and then add the electrofused mullite particle of 1575Kg and the white fused alumina sand of 525Kg ball milling 0.25 hour again.
Slurry that ball milling goes out is 5% powder through the dry water ratio that is prepared into of spraying; the powder of drying out adds the carboxymethyl cellulose of 2.0wt%; after the water of additional 15wt%, in machine,massing, stir 20 minutes; then adopt twice of hydraulic direct pushing-type tablets press mud refining, then adopt hydraulic direct pushing-type to go out to manage the extrusion moulding of machine plasticity; the base pipe of forming carries out isostatic pressing process processing after drying under the pressure of 50Mpa; then at 1500 ~ 1700 ℃, under high temperature, burn till, the thermal expansivity of the ceramic rod of preparing (room temperature～1000 ℃) is 4.02
10
-6/ ℃.
Embodiment 5
First by the fireclay of 1875Kg, the aluminum oxide fine powder of 1125Kg, the sillimanite fine powder of 375Kg, and the zirconium silicate of 225Kg and the water of 2200Kg joins in the ball mill of 5000L capacity ball milling approximately 1.5 hours, and then add the electrofused mullite particle of 2925Kg and the white fused alumina sand of 975Kg ball milling 0.75 hour again.
The slurry that ball milling goes out is through press filtration, mud refining, oven dry fragmentation, be prepared into water ratio and be 8% powder, the powder of drying out adds the carboxymethyl cellulose of 2.8wt%, after the water of additional 12wt%, in machine,massing, stir 20 minutes, then adopt twice of spiral soil kneader mud refining, then adopt the extrusion moulding of spiral vacuum-extruder plasticity, the base pipe of forming carries out isostatic pressing process processing after drying under the pressure of 200Mpa, then at 1500 ~ 1650 ℃, under high temperature, burn till, the thermal expansivity of the ceramic rod of preparing (room temperature～1000 ℃) is 4.78
10
-6/ ℃.
Embodiment 6
First by the fireclay of 2850Kg, the aluminum oxide fine powder of 750Kg, the sillimanite fine powder of 150Kg, and the zirconium silicate of 150Kg and the water of 2200Kg joins in the ball mill of 5000L capacity ball milling approximately 2 hours, and then add the electrofused mullite particle of 2700Kg and the white fused alumina sand of 900Kg ball milling 1 hour again.
Slurry that ball milling goes out is 3% powder through the dry water ratio that is prepared into of spraying, the powder of drying out adds the carboxymethyl cellulose of 2.5wt%, after the water of additional 17wt%, in machine,massing, stir 20 minutes, adopt twice of spiral soil kneader mud refining, then adopt the extrusion moulding of spiral vacuum-extruder plasticity, the base pipe of forming carries out isostatic pressing process processing after drying under the pressure of 90Mpa, then at 1550 ~ 1650 ℃, under high temperature, burn till, the thermal expansivity of the ceramic rod of preparing (room temperature～1000 ℃) is 5.26
10
-6/ ℃.
Embodiment 7
First by the fireclay of 2250Kg, the aluminum oxide fine powder of 1350Kg, the andaluzite fine powder of 600Kg, and the zirconium silicate of 450Kg and the water of 2200Kg joins in the ball mill of 5000L capacity ball milling approximately 1 hour, and then add the electrofused mullite particle of 2136Kg and the white fused alumina sand of 712Kg ball milling 0.5 hour again.
Slurry that ball milling goes out is 5% powder through the dry water ratio that is prepared into of spraying; the powder of drying out adds the carboxymethyl cellulose of 1.0wt%; after the water of additional 15wt%, in machine,massing, stir 20 minutes; then adopt twice of hydraulic direct pushing-type tablets press mud refining, then adopt hydraulic direct pushing-type to go out to manage the extrusion moulding of machine plasticity; the base pipe of forming carries out isostatic pressing process processing after drying under the pressure of 250Mpa; then at 1550 ~ 1650 ℃, under high temperature, burn till, the thermal expansivity of the ceramic rod of preparing (room temperature～1000 ℃) is 3.65
10
-6/ ℃.
Embodiment 8
First by the fireclay of 2100Kg, the aluminum oxide fine powder of 1125Kg, the andaluzite fine powder of 900Kg, and the zirconium silicate of 375Kg and the water of 2200Kg joins in the ball mill of 5000L capacity ball milling approximately 1 hour, and then add the electrofused mullite particle of 2250Kg and the white fused alumina sand of 750Kg ball milling 0.5 hour again.
The slurry that ball milling goes out is through press filtration, mud refining, oven dry fragmentation, be prepared into water ratio and be 8% powder, the powder of drying out adds the carboxymethyl cellulose of 2.1wt%, after the water of additional 12wt%, in machine,massing, stir 20 minutes, then adopt twice of spiral soil kneader mud refining, then adopt the extrusion moulding of spiral vacuum-extruder plasticity, the base pipe of forming carries out isostatic pressing process processing after drying under the pressure of 120Mpa, then at 1550 ~ 1650 ℃, under high temperature, burn till, the thermal expansivity of the ceramic rod of preparing (room temperature～1000 ℃) is 4.25
10
-6/ ℃.
Embodiment 9
First by the fireclay of 2550Kg, the aluminum oxide fine powder of 1200Kg, the andaluzite fine powder of 750Kg, and the zirconium silicate of 450Kg and the water of 2200Kg joins in the ball mill of 5000L capacity ball milling approximately 1 hour, and then add the electrofused mullite particle of 1912Kg and the white fused alumina sand of 638Kg ball milling 0.5 hour again.
Slurry that ball milling goes out is 3% powder through the dry water ratio that is prepared into of spraying, the powder of drying out adds the carboxymethyl cellulose of 1.5wt%, after the water of additional 17wt%, in machine,massing, stir 20 minutes, adopt twice of spiral soil kneader mud refining, then adopt the extrusion moulding of spiral vacuum-extruder plasticity, the base pipe of forming carries out isostatic pressing process processing after drying under the pressure of 160Mpa, then at 1550 ~ 1650 ℃, under high temperature, burn till, the thermal expansivity of the ceramic rod of preparing (room temperature～1000 ℃) is 4.73
10
-6/ ℃.
As from the foregoing, implement the present invention, there is following beneficial effect:
In relating to the professional skill field of ceramic rod, compared with prior art, under the condition of room temperature～1000 ℃, the thermal expansivity of existing ceramic rod is generally 6.0 ~ 6.5
10
-6℃.And the technological merit of ceramic rod of the present invention is to have lower thermal expansivity 3.5 ~ 5.8
10
-6/ ℃ (room temperature～1000 ℃).The preheating zone that low bulk type ceramic rod of the present invention temperature difference in roller kiln is larger and chilling band are not easy to bend while using, thereby guarantee the normal operation of burning till product, solved conventional roller rod in this region easy diastrophic problem.The production cost of this ceramic rod and conventional roller rod are basic identical, and anti-bending strength outclass conventional ceramic roller rod, one of requisite auxiliary products that genus ceramic rod is used in roller kiln.
In a word, ceramic rod of the present invention has lower thermal expansivity, and bending strength is high, and anti-fracture toughness property is good, and anti-rapid heat cycle performance is good, and long service life is applicable to the larger regions of the temperature difference such as the preheating zone of roller kiln or chilling band.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a low bulk type ceramic rod, is characterized in that, its main raw material is electrofused mullite, white fused alumina sand, raw mineral materials;
The thermal expansivity of described ceramic rod is 3.5 ~ 5.8
10
-6/ ℃.
2. low bulk type ceramic rod as claimed in claim 1, is characterized in that, its main raw material formula is by weight percentage as follows:
Electrofused mullite 20 ~ 40%
White fused alumina sand 2 ~ 20%
Raw mineral materials 2 ~ 20%
Fireclay 15 ~ 50%
Aluminum oxide 10 ~ 40%
Zirconium silicate 1 ~ 15%.
3. low bulk type ceramic rod as claimed in claim 1 or 2, is characterized in that, described raw mineral materials is selected one or more in kyanite class mineral;
Described kyanite class mineral comprise kyanite, sillimanite and andaluzite.
4. low bulk type ceramic rod as claimed in claim 3, is characterized in that, the fineness of described raw mineral materials is 3 ~ 40
, the granularity of described electrofused mullite and white fused alumina sand is 30 ~ 150 orders, described aluminum oxide grain size is 0.1 ~ 10
.
5. low bulk type ceramic rod as claimed in claim 3, is characterized in that, the weight ratio of described electrofused mullite and white fused alumina sand is 2.5 ~ 3.5:0.5 ~ 1.5.
6. low bulk type ceramic rod as claimed in claim 3, is characterized in that, described ceramic rod raw material by weight percentage also comprises:
Binding agent 0.1 ~ 5.0%;
Described binding agent is carboxymethyl cellulose.
7. a method of preparing the low bulk type ceramic rod described in claim 1 ~ 6 any one, is characterized in that, comprising:
By fireclay, aluminum oxide, raw mineral materials, zirconium silicate and water join and in ball mill, carry out one time ball milling;
Electrofused mullite particle and white fused alumina sand are joined in described ball mill, carry out secondary ball milling or stirring, obtain slurry;
Described slurry is dried into powder, then through moulding, etc. static pressure to obtain thermal expansivity after processing, burning till be 3.5～5.8
10
-6/ ℃ ceramic rod.
8. the preparation method of low bulk type ceramic rod as claimed in claim 7, is characterized in that, the time of a described ball milling is controlled at 0.5 ~ 2h, and the time of described secondary ball milling or stirring is controlled at 0.1 ~ 1h.
9. the preparation method of low bulk type ceramic rod as claimed in claim 7, is characterized in that, described slurry is dried into powder, then through moulding, etc. static pressure to obtain thermal expansivity after processing, burning till be 3.5～5.8
10
-6/ ℃ the step of ceramic rod in, comprising:
Described slurry is dried into powder;
Add binding agent and water, described binding agent and described powder stirring is even, obtain pug;
Described pug is carried out to mud refining by soil kneader, obtain mud bar;
Described mud bar is carried out to plasticity extrusion moulding by forcing machine, obtain ceramic rod base pipe;
Described ceramic rod base pipe is dried;
By described, through the ceramic rod base pipe of drying, wait static pressure to process, the described pressure-controlling of static pressure processing that waits is in the scope of 50 ~ 250Mpa;
The ceramic rod base pipe high temperature at 1500 ~ 1700 ℃ that waits static pressure to process described process burns till, and obtaining thermal expansivity is 3.5 ~ 5.8
10
-6/ ℃ ceramic rod.
10. the preparation method of the low bulk type ceramic rod as described in claim 7 ~ 9 any one, is characterized in that, described ceramic rod main raw material formula is by weight percentage as follows:
Electrofused mullite 20 ~ 40%
White fused alumina sand 2 ~ 20%
Raw mineral materials 2 ~ 20%
Fireclay 15 ~ 50%
Aluminum oxide 10 ~ 40%
Zirconium silicate 1 ~ 15%
Binding agent 0.1 ~ 5.0%;
Described raw mineral materials is selected one or more in kyanite class mineral, and described kyanite class mineral comprise kyanite, sillimanite and andaluzite;
The fineness of described raw mineral materials is 3 ~ 40
, the granularity of described electrofused mullite and white fused alumina sand is 30 ~ 150 orders, described aluminum oxide grain size is 0.1 ~ 10
;
The weight ratio of described electrofused mullite and white fused alumina sand is 2.5 ~ 3.5:0.5 ~ 1.5;
Described binding agent is carboxymethyl cellulose.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105130407A (en) * | 2015-09-02 | 2015-12-09 | 湖州品创孵化器有限公司 | Fire-resistant zirconium corundum bricks with strong high-temperature folding resistance |
| CN108975923A (en) * | 2018-07-24 | 2018-12-11 | 广东金刚新材料有限公司 | A kind of anti-thermal shock and the stable ceramic rod and preparation method thereof of high volume |
| CN109020520A (en) * | 2018-07-24 | 2018-12-18 | 广东金刚新材料有限公司 | A kind of anti-thermal shock and the ceramic rod of high temperature creep-resisting and preparation method thereof |
| CN109574640A (en) * | 2019-01-25 | 2019-04-05 | 山东铭特陶瓷材料有限公司 | The preparation method of high-temperature corundum mullite crucible |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101423383A (en) * | 2008-11-27 | 2009-05-06 | 武汉科技大学 | Low-temperature sintering ceramic roll and preparation method thereof |
| CN101423375A (en) * | 2008-11-27 | 2009-05-06 | 武汉科技大学 | Ceramic roller and preparation method thereof |
| CN102249710A (en) * | 2011-05-21 | 2011-11-23 | 景德镇诺耐技术陶瓷有限公司 | Method for making low-creepage and high-strength high temperature resisting ceramic roller |
| CN102249722A (en) * | 2011-05-21 | 2011-11-23 | 景德镇诺耐技术陶瓷有限公司 | In-situ synthesized mullite whisker reinforced high-temperature ceramic roller |
| CN102584185A (en) * | 2012-02-24 | 2012-07-18 | 佛山市中徽工业材料有限公司 | Thin-walled ceramic roller as well as raw material scheme and method to manufacture same |
-
2012
- 2012-08-17 CN CN201210292799.7A patent/CN103588487B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101423383A (en) * | 2008-11-27 | 2009-05-06 | 武汉科技大学 | Low-temperature sintering ceramic roll and preparation method thereof |
| CN101423375A (en) * | 2008-11-27 | 2009-05-06 | 武汉科技大学 | Ceramic roller and preparation method thereof |
| CN102249710A (en) * | 2011-05-21 | 2011-11-23 | 景德镇诺耐技术陶瓷有限公司 | Method for making low-creepage and high-strength high temperature resisting ceramic roller |
| CN102249722A (en) * | 2011-05-21 | 2011-11-23 | 景德镇诺耐技术陶瓷有限公司 | In-situ synthesized mullite whisker reinforced high-temperature ceramic roller |
| CN102584185A (en) * | 2012-02-24 | 2012-07-18 | 佛山市中徽工业材料有限公司 | Thin-walled ceramic roller as well as raw material scheme and method to manufacture same |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105130407A (en) * | 2015-09-02 | 2015-12-09 | 湖州品创孵化器有限公司 | Fire-resistant zirconium corundum bricks with strong high-temperature folding resistance |
| CN108975923A (en) * | 2018-07-24 | 2018-12-11 | 广东金刚新材料有限公司 | A kind of anti-thermal shock and the stable ceramic rod and preparation method thereof of high volume |
| CN109020520A (en) * | 2018-07-24 | 2018-12-18 | 广东金刚新材料有限公司 | A kind of anti-thermal shock and the ceramic rod of high temperature creep-resisting and preparation method thereof |
| CN109020520B (en) * | 2018-07-24 | 2021-08-27 | 广东金刚新材料有限公司 | Ceramic roller rod with thermal shock resistance and high-temperature creep resistance and preparation method thereof |
| CN109574640A (en) * | 2019-01-25 | 2019-04-05 | 山东铭特陶瓷材料有限公司 | The preparation method of high-temperature corundum mullite crucible |
| CN110602811A (en) * | 2019-09-18 | 2019-12-20 | 刘刚 | Ceramic rod heating wire manufacturing process |
| CN112876267A (en) * | 2021-03-24 | 2021-06-01 | 福建安溪马斯特陶瓷有限公司 | Ceramic roller for toughened glass kiln and manufacturing process thereof |
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| CN103588487B (en) | 2015-05-13 |
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