CN101423383B - Low-temperature sintering ceramic roll and preparation method thereof - Google Patents
Low-temperature sintering ceramic roll and preparation method thereof Download PDFInfo
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Abstract
The invention relates to a low-temperature sintered ceramic roller and a method for preparing the same. The adopted technical proposal is as follows: firstly, mixing 40 to 60 weight percent of mullite, 10 to 20 weight percent of corundum or super-grade bauxite, 10 to 15 weight percent of clay, 8 to 15 weight percent of Al2O3 micro powder, 1 to 5 weight percent of silicon micro powder, 1 to 3 weight percent of SiO2 fine powder and 2 to 4 weight percent of carboxymethyl cellulose for 8 to 12 hours, and then additionally adding 5 to 10 weight percent of binder and 6 to 10 weight percent of water into the mixture to be staled for 24 to 36 hours; and secondly, extruding out the mixture plastically by an extruder, performing isostatic pressing on the mixture, sintering the mixture at a temperature between 600 and 1,200 DEG C after drying, and keeping the temperature for 2.5 to 3.5 hours. The low-temperature sintered ceramic roller prepared in the invention can be applied to the productions of wall and floor tiles, porcelains for daily use, sanitary wares and ferrite materials only by baking at the temperature of between 600 and 1,200 DEG C, thus the low-temperature sintered ceramic roller not only reduces the cutting intensity and the cutting cost of the roller, but also saves labor force, reduces the harm to a kiln furnace and reduces energy consumption.
Description
Technical field
The invention belongs to the technical field of preparation ceramic rod, be specifically related to a kind of low-temperature sintering ceramic roll and preparation method thereof.
Background technology
In recent decades, the architectural pottery production technology level of China improves rapidly, and output also increases progressively rapidly.Roller kiln with its fast burn, energy-conservation, level of automation is high and be widely used in the industries such as architectural pottery, domestic ceramics, snitaryware and industrial ceramics.Wherein ceramic rod is the vitals of roller kiln, and its quality situation directly affects the normal operation of kiln and the output and the quality of the ceramic product produced.At present, the ceramic rod production technology of China has obtained improving rapidly, and output also increases progressively rapidly.And the technology of this respect is only limited to hard-fired ware roller rod, the firing temperature of all ceramic rods is all more than 1400～1700 ℃ at present, yet all ceramic rods all need be through using after the cutting, and high temperature sintering has not only consumed a large amount of energy, and has increased cutting cost.
A kind of production method of ceramic rod has been set forth in " static pressure process of ceramic roll formation and billet composition thereof " (CN 92109673.9), and this method is to utilize kaolin, emergy, α-Al
2O
3, add entry and methylcellulose gum behind the grog mixing, by waiting static pressure extrusion moulding.The main drawback of this method is embodied in: product needed sintering under 1500～1600 ℃ of high temperature that (1) this method forms could arrive industrial service requirements, and this has just not only consumed a large amount of energy, has increased production cost simultaneously; (2) needing to add the water yield among the preparation method that this patent is set forth is 12～22%, the many reductions that will inevitably bring product strength of amount of water.
The production method of another kind of ceramic rod has been set forth in " silicon carbide roller used for roller kiln and manufacture method thereof " (CN 99120189), this method is to be raw material by silicon carbide, silicon oxide, aluminum oxide, magnesium oxide, industrial paste, yellow starch gum, the cold-extruded system of employing, high temperature burns till and makes ceramic rod after the isostatic cool pressing.The main drawback of this method is embodied in: the product needed that (1) this method forms exists〉sintering just can come into operation under 1500 ℃ of high temperature, and this has just not only consumed a large amount of energy, has increased production cost simultaneously; (2) need a large amount of SiC in the prepared roller rod of this method raw material, increased very high cost; (3) prepared roller rod contains SiC, thereby oxidation-resistance is bad.
Summary of the invention
Purpose of the present invention be exactly to provide a kind of and can reduce cost, the low-temperature sintering ceramic roll of save energy and applied range and preparation method thereof.
For achieving the above object, the technical solution adopted in the present invention is: the corundum of first mullite with 40～60wt%, 10～20wt% or high grade bauxite, the clay of 10～15wt%, the Al of 8～15wt%
2O
3The silicon powder of micro mist, 1～5wt%, the SiO of 1～3wt%
2The carboxymethyl cellulose of fine powder and 2～4wt% mixed 8～12 hours, added the wedding agent of 5～10wt% and the water of 6～10wt%, old 24～36 hours; Plasticity is extruded in mud extruder then, isostatic pressing, and burn till under 600～1200 ℃ condition dry back, is incubated 2.5～3.5 hours.
Wherein: mullite is more than one in electrofused mullite, fused mullite, the zirconium mullite, and particle diameter is all less than 40 orders; Corundum or be fused corundom or for alundum, or be the mixture of fused corundom and alundum, particle diameter is all less than 200 orders; Clay, SiO
2The particle diameter of fine powder and high grade bauxite is all less than 200 orders; The particle diameter of silicon powder is less than 10 μ m; Wedding agent or be aluminium dihydrogen phosphate or for SODIUM PHOSPHATE, MONOBASIC.
Owing to adopt technique scheme, the low-temperature sintering ceramic roll that the present invention makes is only with using in the production that just can be dropped in wall floor tile, household china, sanitary ware and Ferrite Material after 600～1200 ℃ of bakings, so not only reduce the cutting intensity of roller rod and reduced cutting cost, simultaneously the labor force be can also save, injury and minimizing energy consumption reduced kiln.Therefore, the present invention have can reduce cost, the characteristics of save energy and applied range.
Embodiment
The invention will be further described below in conjunction with embodiment, is not the restriction to protection domain:
Embodiment 1:
A kind of low-temperature sintering ceramic roll and preparation method thereof.Earlier with the electrofused mullite of 20～25wt%, the fused mullite of 15～25wt%, the zirconium mullite of 5～10wt%, the fused corundom of 15～20wt%, the clay of 10～12wt%, the Al of 8～10wt%
2O
3The silicon powder of micro mist, 1～3wt%, the SiO of 1～2wt%
2The carboxymethyl cellulose of fine powder and 2～3wt% mixed in ball mill 8～10 hours, added the aluminium dihydrogen phosphate of 5～8wt% and the water of 8～10wt%, old 24～28 hours; Extrude with mud extruder plasticity then, isostatic pressing, burn till under 800～850 ℃ condition dry back, is incubated 2.5～3 hours.
Wherein: mullite is that particle diameter in electrofused mullite, fused mullite, the zirconium mullite is all less than 40 orders; The particle diameter of fused corundom is less than 200 orders; Clay and SiO
2The particle diameter of fine powder is all less than 200 orders; The particle diameter of silicon powder is less than 10 μ m.
Volume density 2.45～the 2.5g/cm of present embodiment 1 prepared low-temperature sintering ceramic roll
3, void content 24.1～24.8% burns back folding strength 44.6～45.2MPa, and thermostability is not split for air-cooled 5 times down at 1100 ℃.
Embodiment 2:
A kind of low-temperature sintering ceramic roll and preparation method thereof.Earlier with the electrofused mullite of 30～45wt%, the fused mullite of 10～15wt%, the alundum of 10～15wt%, the clay of 12～15wt%, the Al of 10～15wt%
2O
3The silicon powder of micro mist, 3～5wt%, the SiO of 2～3wt%
2The carboxymethyl cellulose of fine powder and 2～4wt% mixed in stirrer 10～12 hours, added the SODIUM PHOSPHATE, MONOBASIC of 6～8wt% and the water of 6～9wt%, old 26～30 hours; Extrude with mud extruder plasticity then, isostatic pressing, burn till under 1000～1100 ℃ condition dry back, is incubated 3～3.5 hours.
Wherein: mullite is that the particle diameter of electrofused mullite and fused mullite is all less than 40 orders; The particle diameter of alundum is less than 200 orders; Clay and SiO
2The particle diameter of fine powder is all less than 200 orders; The particle diameter of silicon powder is less than 10 μ m.
Volume density 2.48～the 2.52g/cm of present embodiment 2 prepared low-temperature sintering ceramic rolls
3, void content 23.7～24.1% burns back folding strength 45.4～45.9MPa, and thermostability is not split for air-cooled 5 times down at 1100 ℃.
Embodiment 3:
A kind of low-temperature sintering ceramic roll and preparation method thereof.Earlier with the electrofused mullite of 35～50wt%, the zirconium mullite of 5～10wt%, the fused corundom of 7～12wt%, the alundum of 3～8wt%, the clay of 12～14wt%, the Al of 10～12wt%
2O
3The silicon powder of micro mist, 2～5wt%, the SiO of 2～3wt%
2The carboxymethyl cellulose of fine powder, 3～4wt% mixed in ball mill 8～10 hours, added the aluminium dihydrogen phosphate of 5～8wt% and the water of 7～9wt%, old 28～32 hours; Extrude with mud extruder plasticity then, isostatic pressing, burn till under 1150～1200 ℃ condition dry back, is incubated 2.5～3 hours.
Wherein: mullite is that particle diameter in electrofused mullite and the zirconium mullite is all less than 40 orders; The particle diameter of fused corundom and alundum is all less than 200 orders; Clay and SiO
2The particle diameter of fine powder is all less than 200 orders; The particle diameter of silicon powder is less than 10 μ m.
Volume density 2.41～the 2.45g/cm of present embodiment 3 prepared low-temperature sintering ceramic rolls
3, void content 24.6～25.1% burns back folding strength 44.3～44.9MPa, and thermostability is not split for air-cooled 5 times down at 1100 ℃.
Embodiment 4:
A kind of low-temperature sintering ceramic roll and preparation method thereof.Earlier with the fused mullite of 25～40wt%, the zirconium mullite of 15～20wt%, the high grade bauxite of 15～20wt%, the clay of 10～12wt%, the Al of 10～14wt%
2O
3The silicon powder of micro mist, 2～4wt%, the SiO of 1～2wt%
2The carboxymethyl cellulose of fine powder and 2～3wt% mixed in stirrer 10～12 hours, added the SODIUM PHOSPHATE, MONOBASIC of 8～10wt% and the water of 6～8wt%, old 30～34 hours; Extrude with mud extruder plasticity then, isostatic pressing, burn till under 600～650 ℃ condition dry back, is incubated 3～3.5 hours.
Wherein: mullite is that the particle diameter of fused mullite and zirconium mullite is all less than 40 orders; Clay, SiO
2The particle diameter of fine powder and high grade bauxite is all less than 200 orders; The particle diameter of silicon powder is less than 10 μ m.
Volume density 2.38～the 2.42g/cm of present embodiment 4 prepared low-temperature sintering ceramic rolls
3, void content 25.6～25.9% burns back folding strength 43.8～44.3MPa, and thermostability is not split for air-cooled 5 times down at 1100 ℃.
Embodiment 5:
A kind of low-temperature sintering ceramic roll and preparation method thereof.First electrofused mullite, 10～15wt% high grade bauxite, the clay of 12～14wt%, the Al of 12～14wt% with 55～60wt%
2O
3The silicon powder of micro mist, 2～4wt%, the SiO of 1～2wt%
2The carboxymethyl cellulose of fine powder and 2～4wt% mixed in ball mill 10～12 hours, added the aluminium dihydrogen phosphate of 6～8wt% and the water of 8～10wt%, old 32～36 hours; Extrude with mud extruder plasticity then, isostatic pressing, burn till under 800～900 ℃ condition dry back, is incubated 3～3.5 hours.
Wherein: the particle diameter of electrofused mullite is all less than 40 orders; Clay, SiO
2The particle diameter of fine powder and high grade bauxite is all less than 200 orders; The particle diameter of silicon powder is less than 10 μ m.
Volume density 2.43～the 2.49g/cm of present embodiment 5 prepared low-temperature sintering ceramic rolls
3, void content 24.8～25.3% burns back folding strength 45.3～45.8MPa, and thermostability is not split for air-cooled 5 times down at 1100 ℃.
Embodiment 6:
A kind of low-temperature sintering ceramic roll and preparation method thereof.Earlier with the fused mullite of 45～50wt%, the alundum of 15～20wt%, the clay of 13～15wt%, the Al of 8～13wt%
2O
3The silicon powder of micro mist, 1～3wt%, the SiO of 2～3wt%
2The carboxymethyl cellulose of fine powder and 2～3wt% mixed in ball mill 8～10 hours, added the aluminium dihydrogen phosphate of 7～10wt% and the water of 6～10wt%, old 32～34 hours; Extrude with mud extruder plasticity then, isostatic pressing, burn till under 1000～1050 ℃ condition dry back, is incubated 2.5～3 hours.
Wherein: the particle diameter of fused mullite is less than 40 orders; The particle diameter of alundum is less than 200 orders; Clay and SiO
2The particle diameter of fine powder is all less than 200 orders; The particle diameter of silicon powder is less than 10 μ m.
Volume density 2.45～the 2.51g/cm of present embodiment 6 prepared low-temperature sintering ceramic rolls
3, void content 23.5～23.8% burns back folding strength 46.3～46.6MPa, and thermostability is not split for air-cooled 5 times down at 1100 ℃.
Embodiment 7:
A kind of low-temperature sintering ceramic roll and preparation method thereof.Earlier with the zirconium mullite of 40～50wt%, the fused corundom of 13～18wt%, the clay of 13～15wt%, the Al of 12～15wt%
2O
3The silicon powder of micro mist, 3～5wt%, the SiO of 2～3wt%
2The carboxymethyl cellulose of fine powder and 3～4wt% mixed in ball mill 8～10 hours, added the aluminium dihydrogen phosphate of 7～8wt% and the water of 8～10wt%, old 26～28 hours; Extrude with mud extruder plasticity then, isostatic pressing, burn till under 700～800 ℃ condition dry back, is incubated 2.5～3 hours.
Wherein: the particle diameter in the zirconium mullite is less than 40 orders; The particle diameter of fused corundom is less than 200 orders; Clay and SiO
2The particle diameter of fine powder is all less than 200 orders; The particle diameter of silicon powder is less than 10 μ m.
Volume density 2.49～the 2.52g/cm of present embodiment 7 prepared low-temperature sintering ceramic rolls
3, void content 23.4～23.7% burns back folding strength 49.7～50.4MPa, and thermostability is not split for air-cooled 5 times down at 1100 ℃.
Embodiment 8:
A kind of low-temperature sintering ceramic roll and preparation method thereof.Earlier with the electrofused mullite of 10～15wt%, the fused mullite of 30～45wt%, the fused corundom of 5～10wt%, the alundum of 5～10wt%, the clay of 10～13wt%, the Al of 10～12wt%
2O
3The silicon powder of micro mist, 2～3wt%, the SiO of 1～3wt%
2The carboxymethyl cellulose of fine powder and 3～4wt% mixed in stirrer 8～10 hours, added the aluminium dihydrogen phosphate of 6～8wt% and the water of 6～8wt%, old 28～30 hours; Extrude with mud extruder plasticity then, isostatic pressing, burn till under 900～1000 ℃ condition dry back, is incubated 3～3.5 hours.
Wherein: the particle diameter of electrofused mullite and fused mullite is all less than 40 orders; The particle diameter of fused corundom and alundum is all less than 200 orders; Clay and SiO
2The particle diameter of fine powder is all less than 200 orders; The particle diameter of silicon powder is less than 10 μ m.
Present embodiment 8 prepared low-temperature sintering ceramic rolls volume density 2.51～2.55g/cm
3, void content 23.1～23.4% burns back folding strength 50.5～50.9MPa, and thermostability is not split for air-cooled 5 times down at 1100 ℃.
Embodiment 9:
A kind of low-temperature sintering ceramic roll and preparation method thereof.Earlier with the electrofused mullite of 5～15wt%, the zirconium mullite of 35～45wt%, the fused corundom of 3～7wt%, the alundum of 7～13wt%, the clay of 12～14wt%, the Al of 13～15wt%
2O
3The silicon powder of micro mist, 3～4wt%, the SiO of 2～3wt%
2The carboxymethyl cellulose of fine powder and 2～4wt% mixed in ball mill 10～12 hours, added the aluminium dihydrogen phosphate of 5～8wt% and the water of 7～9wt%, old 30～32 hours; Extrude with mud extruder plasticity then, isostatic pressing, burn till under 1160～1200 ℃ condition dry back, is incubated 2.5～3 hours.
Wherein: the particle diameter in electrofused mullite and the zirconium mullite is all less than 40 orders; The particle diameter of fused corundom and alundum is all less than 200 orders; Clay and SiO
2The particle diameter of fine powder is all less than 200 orders; The particle diameter of silicon powder is less than 10 μ m.
Present embodiment 9 prepared low-temperature sintering ceramic rolls volume density 2.54～2.58g/cm
3, void content 22.9～23.3% burns back folding strength 51.3～51.8MPa, and thermostability is not split for air-cooled 5 times down at 1100 ℃.
Embodiment 10:
A kind of low-temperature sintering ceramic roll and preparation method thereof.Earlier with the fused mullite of 5～10wt%, the zirconium mullite of 35～50wt%, the high grade bauxite of 16～20wt%, the clay of 11～13wt%, the Al of 11～13wt%
2O
3The silicon powder of micro mist, 2～4wt%, the SiO of 1～2wt%
2The carboxymethyl cellulose of fine powder and 3～4wt% mixed in ball mill 8～10 hours, added the SODIUM PHOSPHATE, MONOBASIC of 7～9wt% and the water of 6～8wt%, old 26～28 hours; Extrude with mud extruder plasticity then, isostatic pressing, burn till under 600～700 ℃ condition dry back, is incubated 2.5～3 hours.
Wherein: the particle diameter in fused mullite and the zirconium mullite is all less than 40 orders; Clay, SiO
2The particle diameter of fine powder and high grade bauxite is all less than 200 orders; The particle diameter of silicon powder is less than 10 μ m.
Volume density 2.41～the 2.45g/cm of the goods that make of present embodiment 10 prepared low-temperature sintering ceramic rolls
3, void content 24.9～25.2% burns back folding strength 42.6～42.9MPa, and thermostability is not split for air-cooled 5 times down at 1100 ℃.
The prepared low-temperature sintering ceramic roll of this embodiment is only with using in the production that just can be dropped in wall floor tile, household china, sanitary ware and Ferrite Material after 600～1200 ℃ of bakings, so not only reduce the cutting intensity of roller rod and reduced cutting cost, simultaneously the labor force be can also save, injury and minimizing energy consumption reduced kiln.
Claims (5)
1. the preparation method of a low-temperature sintering ceramic roll is characterized in that earlier the corundum of the mullite of 40～60wt%, 10～20wt% or high grade bauxite, the clay of 10～15wt%, the Al of 8～15wt%
2O
3The silicon powder of micro mist, 1～5wt%, the SiO of 1～3wt%
2The carboxymethyl cellulose of fine powder and 2～4wt% mixed 8～12 hours, added the wedding agent of 5～10wt% and the water of 6～10wt%, old 24～36 hours; Plasticity is extruded in mud extruder then, isostatic pressing, and burn till under 600～1200 ℃ condition dry back, is incubated 2.5～3.5 hours;
Described wedding agent or be aluminium dihydrogen phosphate or for SODIUM PHOSPHATE, MONOBASIC.
2. the preparation method of low-temperature sintering ceramic roll according to claim 1 is characterized in that described mullite is more than one in electrofused mullite, fused mullite, the zirconium mullite, and particle diameter is all less than 40 orders.
3. the preparation method of low-temperature sintering ceramic roll according to claim 1 is characterized in that described corundum or for fused corundom or be alundum, or is the mixture of fused corundom and alundum, and particle diameter is all less than 200 orders.
4. the preparation method of low-temperature sintering ceramic roll according to claim 1 is characterized in that described clay, SiO
2The particle diameter of fine powder and high grade bauxite is all less than 200 orders, and the particle diameter of silicon powder is less than 10 μ m.
5. according to the prepared low-temperature sintering ceramic roll of preparation method of each described low-temperature sintering ceramic roll in the claim 1～4.
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| CN2008101979220A CN101423383B (en) | 2008-11-27 | 2008-11-27 | Low-temperature sintering ceramic roll and preparation method thereof |
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| CN2008101979220A CN101423383B (en) | 2008-11-27 | 2008-11-27 | Low-temperature sintering ceramic roll and preparation method thereof |
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| CN101423383A CN101423383A (en) | 2009-05-06 |
| CN101423383B true CN101423383B (en) | 2011-06-15 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102432305B (en) * | 2011-08-25 | 2013-11-06 | 任健均 | Zirconium-corundum composite fireproof ball and preparation method thereof |
| 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 |
| CN103588487B (en) * | 2012-08-17 | 2015-05-13 | 佛山市南海金刚新材料有限公司 | Low-expansion ceramic roller, and preparation method thereof |
| CN103787683B (en) * | 2014-03-05 | 2015-12-02 | 湖北工业大学 | A kind of ceramic rod and preparation method thereof |
| CN107903041B (en) * | 2017-10-25 | 2021-01-26 | 湖北亿佳欧电子陶瓷股份有限公司 | Casket-like bowl and preparation method thereof |
| CN113045302B (en) * | 2021-03-24 | 2022-08-26 | 福建安溪马斯特陶瓷有限公司 | Corrosion-resistant high-strength ceramic roller and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1071157A (en) * | 1992-08-17 | 1993-04-21 | 佛山市陶瓷研究所 | Static pressure shaped blank composition of ceramic rod (bar) |
| CN1287987A (en) * | 1999-09-15 | 2001-03-21 | 萍乡市赫玛窑具有限公司 | Silicon carbide roller used for roller kiln mfg. therefor |
-
2008
- 2008-11-27 CN CN2008101979220A patent/CN101423383B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1071157A (en) * | 1992-08-17 | 1993-04-21 | 佛山市陶瓷研究所 | Static pressure shaped blank composition of ceramic rod (bar) |
| CN1287987A (en) * | 1999-09-15 | 2001-03-21 | 萍乡市赫玛窑具有限公司 | Silicon carbide roller used for roller kiln mfg. therefor |
Non-Patent Citations (1)
| Title |
|---|
| 杨东亮等.莫来石-刚玉质高温陶瓷辊棒的研制.《山东陶瓷》.1997,第20卷(第1期),第8-12页. * |
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