CN113998998A - Rapid solidification forming process of refractory ceramic - Google Patents
Rapid solidification forming process of refractory ceramic Download PDFInfo
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- CN113998998A CN113998998A CN202111154685.1A CN202111154685A CN113998998A CN 113998998 A CN113998998 A CN 113998998A CN 202111154685 A CN202111154685 A CN 202111154685A CN 113998998 A CN113998998 A CN 113998998A
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- sodium alginate
- rapid solidification
- zinc oxide
- modified sodium
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- 238000000034 method Methods 0.000 title claims abstract description 35
- 239000011214 refractory ceramic Substances 0.000 title claims abstract description 28
- 238000007712 rapid solidification Methods 0.000 title claims abstract description 27
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 66
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical class CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000011787 zinc oxide Substances 0.000 claims abstract description 33
- 239000002994 raw material Substances 0.000 claims abstract description 20
- 239000010438 granite Substances 0.000 claims abstract description 19
- 239000010453 quartz Substances 0.000 claims abstract description 19
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000000454 talc Substances 0.000 claims abstract description 19
- 229910052623 talc Inorganic materials 0.000 claims abstract description 19
- 238000000465 moulding Methods 0.000 claims abstract description 17
- 239000011521 glass Substances 0.000 claims abstract description 12
- 238000002360 preparation method Methods 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims description 28
- 238000000498 ball milling Methods 0.000 claims description 21
- 238000002156 mixing Methods 0.000 claims description 21
- 239000000843 powder Substances 0.000 claims description 21
- 238000001914 filtration Methods 0.000 claims description 14
- 238000010304 firing Methods 0.000 claims description 14
- 239000002245 particle Substances 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 13
- 239000008274 jelly Substances 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 7
- 229910000360 iron(III) sulfate Inorganic materials 0.000 claims description 7
- 235000015110 jellies Nutrition 0.000 claims description 7
- 238000007873 sieving Methods 0.000 claims description 7
- 235000010413 sodium alginate Nutrition 0.000 claims description 7
- 239000000661 sodium alginate Substances 0.000 claims description 7
- 229940005550 sodium alginate Drugs 0.000 claims description 7
- 238000005507 spraying Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 2
- 238000002791 soaking Methods 0.000 claims 1
- 239000000919 ceramic Substances 0.000 abstract description 12
- 239000013078 crystal Substances 0.000 abstract description 12
- 238000009877 rendering Methods 0.000 abstract description 3
- 230000000007 visual effect Effects 0.000 abstract description 3
- 230000008595 infiltration Effects 0.000 description 6
- 238000001764 infiltration Methods 0.000 description 6
- 238000010298 pulverizing process Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 241001122767 Theaceae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning 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
- 239000000499 gel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention discloses a rapid solidification molding process of refractory ceramics, and relates to the technical field of preparation of ceramic crystal glaze. A rapid solidification forming process of refractory ceramics comprises the following raw materials in parts by weight: 50-58 parts of granite, 7-13 parts of quartz, 1-2 parts of modified sodium alginate, 10-18 parts of zinc oxide, 5-10 parts of talc and 1-2 parts of glass. The crystal glaze product obtained by the invention has good color rendering property, presents a special red crystal form and gives people a durable and wear-resistant visual effect; the crystal form of the product is beautiful and elegant; meanwhile, the strength is high, and the fire resistance is good.
Description
Technical Field
The invention relates to the technical field of ceramic preparation, in particular to a rapid solidification molding process of refractory ceramic.
Background
The ceramic product has a long history in China, and through long-time development, the manufacturing process of the ceramic is continuously improved, and the ceramic product has various different performances, so that the ceramic product is more used for people to live and produce, the shadow of the ceramic product can be seen everywhere in various tableware, tea sets and sanitary wares, and the ceramic products not only have beautiful appearance and various shapes, but also have the advantages of easy cleaning, corrosion resistance and the like, and are deeply loved by consumers.
However, the market now places demands on other properties of ceramic articles to produce corresponding functional ceramic articles. However, the existing refractory ceramic product has long manufacturing time and poor strength, and is easy to deform and even break.
Disclosure of Invention
Based on the defects, the invention provides the rapid solidification and molding process of the refractory ceramic, the viscosity of the ceramic raw material is improved by adding the modified sodium alginate, and the product prepared by the preparation process has high strength and fire resistance as a whole.
The specific technical scheme for solving the technical problem is as follows:
a rapid solidification forming process of refractory ceramics comprises the following raw materials in parts by weight: 50-58 parts of granite, 7-13 parts of quartz, 1-2 parts of modified sodium alginate, 10-18 parts of zinc oxide, 5-10 parts of talc and 1-2 parts of glass.
Further, the rapid solidification molding process of the refractory ceramic comprises the following raw materials in parts by weight: 50-52 parts of granite, 7-10 parts of quartz, 1-1.5 parts of modified sodium alginate, 10-14 parts of zinc oxide, 5-8 parts of talc and 1-1.5 parts of glass.
Further, the rapid solidification molding process of the refractory ceramic comprises the following raw materials in parts by weight: 52 parts of granite, 10 parts of quartz, 1.5 parts of modified sodium alginate, 14 parts of zinc oxide, 8 parts of talc and 1.5 parts of glass.
Further, the preparation method of the modified sodium alginate comprises the following steps: mixing sodium alginate with water by mass: mixing the materials according to the volume ratio of 15-18: 1, stirring the mixture for 8-10 hours at normal temperature to obtain jelly, and adding Al (NO) with the mass of 0.1-0.3% of the mass of the jelly3)30.8 to 1.0 percent of Fe2(SO4)3Stirring the powder at the speed of 200 plus materials and the rpm of 300 for 0.5-1 h, standing for 3h, filtering, crushing, and sieving with a sieve of 400 meshes to obtain the modified sodium alginate.
Further, the rapid solidification molding process of the refractory ceramic comprises the following specific steps:
s1, respectively carrying out ball milling on the granite, the quartz, the zinc oxide and the talc in parts by weight in a ball mill for 12 hours, filtering the powder obtained by ball milling through a 400-mesh sieve, mixing the powder with the modified sodium alginate, and then adding water with the mass being 3-4 times that of the raw materials to carry out ball milling for 0.5 hour to obtain a glaze;
s2, applying glaze to the surface of the blank in an infiltration mode, and then applying zinc oxide particles to the surface of the blank in a spraying mode;
s3, placing the blank obtained in the step S2 into a high-temperature furnace for firing, wherein the firing process is as follows: heating to 800 deg.C at a heating rate of 10 deg.C/min, maintaining at 800 deg.C for 0.5h, heating to 1050 deg.C at 15 deg.C/min, maintaining for 3h, heating to 1300 deg.C at 20 deg.C/min, maintaining for 0.5h, and naturally cooling to room temperature.
Further, the zinc oxide particles are 80-100 meshes.
The invention has the beneficial effects that: according to the rapid solidification and molding process of the refractory ceramic, the viscosity of the ceramic is improved by adding the modified sodium alginate, and the color rendering property of the glaze is good; by adopting the method, the obtained product presents a special red crystal form and gives people a durable and wear-resistant visual effect; the crystal form of the product is beautiful and elegant; high strength and good fire resistance.
Detailed Description
The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described in conjunction with the embodiments below, so that the objects, the features, and the effects of the present invention can be fully understood. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention.
The first embodiment is as follows:
a rapid solidification forming process of refractory ceramics comprises the following raw materials in parts by weight: 52 parts of granite, 10 parts of quartz, 1.5 parts of modified sodium alginate, 14 parts of zinc oxide, 8 parts of talc and 1.5 parts of glass; the preparation method of the modified sodium alginate comprises the following steps: mixing sodium alginate with water by mass: mixing at a volume of 16:1, stirring at room temperature for 9h to obtain a jelly, and adding 0.2 wt% of the jelly% of Al (NO)3)30.9% of Fe2(SO4)3Stirring the powder at 250rpm for 0.8h, standing for 3h, filtering, pulverizing, and sieving with 400 mesh sieve to obtain modified sodium alginate.
A rapid solidification molding process of refractory ceramics comprises the following specific steps:
s1, respectively carrying out ball milling on the granite, the quartz, the zinc oxide and the talc in parts by weight in a ball mill for 12 hours, filtering the powder obtained by ball milling through a 400-mesh sieve, mixing the powder with the modified sodium alginate, and then adding water with the mass being 3.5 times that of the raw materials to carry out ball milling for 0.5 hour to obtain a glaze;
s2, applying glaze to the surface of the blank in an infiltration mode, and then applying zinc oxide particles to the surface of the blank in a spraying mode; the zinc oxide particles are 80 meshes;
s3, placing the blank obtained in the step S2 into a high-temperature furnace for firing, wherein the firing process is as follows: heating to 800 deg.C at a heating rate of 10 deg.C/min, maintaining at 800 deg.C for 0.5h, heating to 1050 deg.C at 15 deg.C/min, maintaining for 3h, heating to 1300 deg.C at 20 deg.C/min, maintaining for 0.5h, and naturally cooling to room temperature.
Example two:
a rapid solidification forming process of refractory ceramics comprises the following raw materials in parts by weight: 58 parts of granite, 13 parts of quartz, 2 parts of modified sodium alginate, 18 parts of zinc oxide, 10 parts of talc and 2 parts of glass; the preparation method of the modified sodium alginate comprises the following steps: mixing sodium alginate with water by mass: mixing at a volume of 18:1, stirring at room temperature for 10 hr to obtain a gel, adding 0.3 wt% of Al (NO)3)31.0% of Fe2(SO4)3Stirring the powder at 300rpm for 1h, standing for 3h, filtering, crushing, and sieving with 400 meshes to obtain the modified sodium alginate.
A rapid solidification molding process of refractory ceramics comprises the following specific steps:
s1, respectively carrying out ball milling on the granite, the quartz, the zinc oxide and the talc in parts by weight in a ball mill for 12 hours, filtering the powder obtained by ball milling through a 400-mesh sieve, mixing the powder with the modified sodium alginate, and then adding water with the mass 4 times that of the raw materials to carry out ball milling for 0.5 hour to obtain a glaze;
s2, applying glaze to the surface of the blank in an infiltration mode, and then applying zinc oxide particles to the surface of the blank in a spraying mode; the zinc oxide particles are 80 meshes;
s3, placing the blank obtained in the step S2 into a high-temperature furnace for firing, wherein the firing process is as follows: heating to 800 deg.C at a heating rate of 10 deg.C/min, maintaining at 800 deg.C for 0.5h, heating to 1050 deg.C at 15 deg.C/min, maintaining for 3h, heating to 1300 deg.C at 20 deg.C/min, maintaining for 0.5h, and naturally cooling to room temperature.
Example three:
a rapid solidification forming process of refractory ceramics comprises the following raw materials in parts by weight: 50 parts of granite, 7 parts of quartz, 1 part of modified sodium alginate, 10 parts of zinc oxide, 5 parts of talc and 1 part of glass; the preparation method of the modified sodium alginate comprises the following steps: mixing sodium alginate with water by mass: mixing at volume of 15:1, stirring at room temperature for 8 hr to obtain jelly, adding 0.1 wt% of Al (NO)3)30.8% of Fe2(SO4)3Stirring the powder at 200rpm for 0.5h, standing for 3h, filtering, pulverizing, and sieving with 400 mesh sieve to obtain modified sodium alginate.
A rapid solidification molding process of refractory ceramics comprises the following specific steps:
s1, respectively carrying out ball milling on the granite, the quartz, the zinc oxide and the talc in parts by weight in a ball mill for 12 hours, filtering the powder obtained by ball milling through a 400-mesh sieve, mixing the powder with the modified sodium alginate, and then adding water with the mass being 3 times that of the raw materials to carry out ball milling for 0.5 hour to obtain a glaze;
s2, applying glaze to the surface of the blank in an infiltration mode, and then applying zinc oxide particles to the surface of the blank in a spraying mode; the zinc oxide particles are 80 meshes;
s3, placing the blank obtained in the step S2 into a high-temperature furnace for firing, wherein the firing process is as follows: heating to 800 deg.C at a heating rate of 10 deg.C/min, maintaining at 800 deg.C for 0.5h, heating to 1050 deg.C at 15 deg.C/min, maintaining for 3h, heating to 1300 deg.C at 20 deg.C/min, maintaining for 0.5h, and naturally cooling to room temperature.
Example four:
a rapid solidification forming process of refractory ceramics comprises the following raw materials in parts by weight: 54 parts of granite, 9 parts of quartz, 1.5 parts of modified sodium alginate, 15 parts of zinc oxide, 8 parts of talc and 1.8 parts of glass; the preparation method of the modified sodium alginate comprises the following steps: mixing sodium alginate with water by mass: mixing at volume of 17:1, stirring at room temperature for 9.5 hr to obtain jelly, adding 0.25% Al (NO)3)30.95% of Fe2(SO4)3Stirring the powder at 280rpm for 0.9h, standing for 3h, filtering, pulverizing, and sieving with 400 mesh sieve to obtain modified sodium alginate.
A rapid solidification molding process of refractory ceramics comprises the following specific steps:
s1, respectively carrying out ball milling on the granite, the quartz, the zinc oxide and the talc in parts by weight in a ball mill for 12 hours, filtering the powder obtained by ball milling through a 400-mesh sieve, mixing the powder with the modified sodium alginate, and then adding water with the mass being 3.5 times that of the raw materials to carry out ball milling for 0.5 hour to obtain a glaze;
s2, applying glaze to the surface of the blank in an infiltration mode, and then applying zinc oxide particles to the surface of the blank in a spraying mode; the zinc oxide particles are 100 meshes;
s3, placing the blank obtained in the step S2 into a high-temperature furnace for firing, wherein the firing process is as follows: heating to 800 deg.C at a heating rate of 10 deg.C/min, maintaining at 800 deg.C for 0.5h, heating to 1050 deg.C at 15 deg.C/min, maintaining for 3h, heating to 1300 deg.C at 20 deg.C/min, maintaining for 0.5h, and naturally cooling to room temperature.
Comparative example 1
A rapid solidification forming process of refractory ceramics comprises the following raw materials in parts by weight: 50 parts of granite, 7 parts of quartz, 0.2 part of modified sodium alginate, 10 parts of zinc oxide, 5 parts of talc and 1 part of glass; the preparation method of the modified sodium alginate comprises the following steps: mixing sodium alginate with water by mass: mixing at volume of 15:1, stirring at room temperature for 8 hr to obtain jelly, adding 0.1 wt% of Al (NO)3)30.8% of Fe2(SO4)3Powder preparationStirring at 200rpm for 0.5h, standing for 3h, filtering, pulverizing, and sieving with 400 mesh sieve to obtain modified sodium alginate.
A rapid solidification molding process of refractory ceramics comprises the following specific steps:
s1, respectively carrying out ball milling on the granite, the quartz, the zinc oxide and the talc in parts by weight in a ball mill for 12 hours, filtering the powder obtained by ball milling through a 400-mesh sieve, mixing the powder with the modified sodium alginate, and then adding water with the mass being 3 times that of the raw materials to carry out ball milling for 0.5 hour to obtain a glaze;
s2, applying glaze to the surface of the blank in an infiltration mode, and then applying zinc oxide particles to the surface of the blank in a spraying mode; the zinc oxide particles are 80 meshes;
s3, placing the blank obtained in the step S2 into a high-temperature furnace for firing, wherein the firing process is as follows: heating to 1050 ℃ at a heating rate of 10 ℃/min, preserving heat for 3h, heating to 1300 ℃ at a heating rate of 20 ℃/min, preserving heat for 0.5h, and then naturally cooling to room temperature.
The crystalline glaze products obtained in the embodiments 1 to 4 of the invention have good color rendering, present a special red crystal form and give people a durable and wear-resistant visual effect; the crystal form of the product is beautiful and elegant; the crystal form of the product surface is fine and smooth, and the crystal flowers are broken and dense; the product obtained in the comparative example 1 has coarse crystal form, large and rare crystal flowers and poor aesthetic feeling. Specific results are shown in table 1.
While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that the present invention is not limited to the details of the embodiments shown and described, but is capable of numerous equivalents and substitutions without departing from the spirit of the invention as set forth in the claims appended hereto.
Claims (6)
1. The rapid solidification forming process of the refractory ceramic is characterized by comprising the following raw materials in parts by weight: 50-58 parts of granite, 7-13 parts of quartz, 1-2 parts of modified sodium alginate, 10-18 parts of zinc oxide, 5-10 parts of talc and 1-2 parts of glass.
2. The rapid solidification molding process of a refractory ceramic according to claim 1, comprising the following raw materials in parts by weight: 50-52 parts of granite, 7-10 parts of quartz, 1-1.5 parts of modified sodium alginate, 10-14 parts of zinc oxide, 5-8 parts of talc and 1-1.5 parts of glass.
3. The rapid solidification molding process of a refractory ceramic according to claim 2, comprising the following raw materials in parts by weight: 52 parts of granite, 10 parts of quartz, 1.5 parts of modified sodium alginate, 14 parts of zinc oxide, 8 parts of talc and 1.5 parts of glass.
4. The rapid solidification molding process of refractory ceramics as claimed in any one of claims 1 to 3, wherein the preparation method of the modified sodium alginate comprises: mixing sodium alginate with water by mass: mixing the materials according to the volume ratio of 15-18: 1, stirring the mixture for 8-10 hours at normal temperature to obtain jelly, and adding Al (NO) with the mass of 0.1-0.3% of the mass of the jelly3)30.8 to 1.0 percent of Fe2(SO4)3Stirring the powder at the speed of 200 plus materials and the rpm of 300 for 0.5-1 h, standing for 3h, filtering, crushing, and sieving with a sieve of 400 meshes to obtain the modified sodium alginate.
5. The rapid solidification molding process of a refractory ceramic according to claim 4, comprising the following steps:
s1, ball-milling the granite, the quartz, the zinc oxide and the talc in parts by weight in a ball mill for 12 hours respectively, filtering the powder obtained by ball milling through a 400-mesh sieve, mixing the powder with the modified sodium alginate, and then adding water with the mass being 3-4 times that of the raw materials to perform ball milling for 0.5 hour to obtain a glaze;
s2, applying glaze on the surface of the blank in a soaking mode, and then applying zinc oxide particles on the surface of the blank in a spraying mode;
s3, putting the blank obtained in the step S2 into a high-temperature furnace for firing, wherein the firing process comprises the following steps: heating to 800 deg.C at a heating rate of 10 deg.C/min, maintaining at 800 deg.C for 0.5h, heating to 1050 deg.C at 15 deg.C/min, maintaining for 3h, heating to 1300 deg.C at 20 deg.C/min, maintaining for 0.5h, and naturally cooling to room temperature.
6. The rapid solidification molding process for a refractory ceramic according to claim 5, wherein the zinc oxide particles are 80 to 100 mesh.
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