CN113929434A - Antibacterial and sterilizing zirconium-magnesium ceramic ball and preparation method thereof - Google Patents
Antibacterial and sterilizing zirconium-magnesium ceramic ball and preparation method thereof Download PDFInfo
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- CN113929434A CN113929434A CN202111203452.6A CN202111203452A CN113929434A CN 113929434 A CN113929434 A CN 113929434A CN 202111203452 A CN202111203452 A CN 202111203452A CN 113929434 A CN113929434 A CN 113929434A
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- 239000000919 ceramic Substances 0.000 title claims abstract description 88
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 50
- QRNPTSGPQSOPQK-UHFFFAOYSA-N magnesium zirconium Chemical compound [Mg].[Zr] QRNPTSGPQSOPQK-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 230000001954 sterilising effect Effects 0.000 title claims abstract description 43
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 47
- 150000002910 rare earth metals Chemical class 0.000 claims abstract description 45
- 239000000843 powder Substances 0.000 claims abstract description 42
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000000440 bentonite Substances 0.000 claims abstract description 27
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 27
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000002002 slurry Substances 0.000 claims abstract description 27
- 239000005995 Aluminium silicate Substances 0.000 claims abstract description 26
- 235000012211 aluminium silicate Nutrition 0.000 claims abstract description 26
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000000454 talc Substances 0.000 claims abstract description 24
- 229910052623 talc Inorganic materials 0.000 claims abstract description 24
- 239000002994 raw material Substances 0.000 claims abstract description 20
- 238000005096 rolling process Methods 0.000 claims abstract description 16
- 238000001035 drying Methods 0.000 claims abstract description 15
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 14
- 238000005303 weighing Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000005245 sintering Methods 0.000 claims abstract description 6
- 238000000227 grinding Methods 0.000 claims description 29
- 238000010304 firing Methods 0.000 claims description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 9
- 239000000126 substance Substances 0.000 claims description 9
- 229910052681 coesite Inorganic materials 0.000 claims description 8
- 229910052906 cristobalite Inorganic materials 0.000 claims description 8
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 8
- 239000000377 silicon dioxide Substances 0.000 claims description 8
- 229910052682 stishovite Inorganic materials 0.000 claims description 8
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 8
- 229910052905 tridymite Inorganic materials 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 7
- 238000001694 spray drying Methods 0.000 claims description 7
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 241001126326 Cyanea <Cnidaria> Species 0.000 claims description 4
- 229910002637 Pr6O11 Inorganic materials 0.000 claims description 2
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 claims description 2
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 claims description 2
- NLQFUUYNQFMIJW-UHFFFAOYSA-N dysprosium(III) oxide Inorganic materials O=[Dy]O[Dy]=O NLQFUUYNQFMIJW-UHFFFAOYSA-N 0.000 claims description 2
- VQCBHWLJZDBHOS-UHFFFAOYSA-N erbium(III) oxide Inorganic materials O=[Er]O[Er]=O VQCBHWLJZDBHOS-UHFFFAOYSA-N 0.000 claims description 2
- RSEIMSPAXMNYFJ-UHFFFAOYSA-N europium(III) oxide Inorganic materials O=[Eu]O[Eu]=O RSEIMSPAXMNYFJ-UHFFFAOYSA-N 0.000 claims description 2
- CMIHHWBVHJVIGI-UHFFFAOYSA-N gadolinium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Gd+3].[Gd+3] CMIHHWBVHJVIGI-UHFFFAOYSA-N 0.000 claims description 2
- JYTUFVYWTIKZGR-UHFFFAOYSA-N holmium oxide Inorganic materials [O][Ho]O[Ho][O] JYTUFVYWTIKZGR-UHFFFAOYSA-N 0.000 claims description 2
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum oxide Inorganic materials [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 claims description 2
- 229910003443 lutetium oxide Inorganic materials 0.000 claims description 2
- PLDDOISOJJCEMH-UHFFFAOYSA-N neodymium oxide Inorganic materials [O-2].[O-2].[O-2].[Nd+3].[Nd+3] PLDDOISOJJCEMH-UHFFFAOYSA-N 0.000 claims description 2
- KTUFCUMIWABKDW-UHFFFAOYSA-N oxo(oxolanthaniooxy)lanthanum Chemical compound O=[La]O[La]=O KTUFCUMIWABKDW-UHFFFAOYSA-N 0.000 claims description 2
- FKTOIHSPIPYAPE-UHFFFAOYSA-N samarium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Sm+3].[Sm+3] FKTOIHSPIPYAPE-UHFFFAOYSA-N 0.000 claims description 2
- ZIKATJAYWZUJPY-UHFFFAOYSA-N thulium (III) oxide Inorganic materials [O-2].[O-2].[O-2].[Tm+3].[Tm+3] ZIKATJAYWZUJPY-UHFFFAOYSA-N 0.000 claims description 2
- FIXNOXLJNSSSLJ-UHFFFAOYSA-N ytterbium(III) oxide Inorganic materials O=[Yb]O[Yb]=O FIXNOXLJNSSSLJ-UHFFFAOYSA-N 0.000 claims description 2
- 238000000498 ball milling Methods 0.000 claims 5
- 229940098458 powder spray Drugs 0.000 claims 1
- 238000005498 polishing Methods 0.000 abstract description 14
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 abstract description 5
- 229910001928 zirconium oxide Inorganic materials 0.000 abstract description 5
- 238000012797 qualification Methods 0.000 abstract description 2
- 239000011226 reinforced ceramic Substances 0.000 abstract 1
- 235000013619 trace mineral Nutrition 0.000 abstract 1
- 239000011573 trace mineral Substances 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 15
- 238000007599 discharging Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 229910052573 porcelain Inorganic materials 0.000 description 5
- 239000000047 product Substances 0.000 description 4
- 238000011049 filling Methods 0.000 description 3
- 241000588724 Escherichia coli Species 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 241000191967 Staphylococcus aureus Species 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007603 infrared drying Methods 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010433 feldspar Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 229910052572 stoneware Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/1324—Recycled material, e.g. tile dust, stone waste, spent refractory material
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3244—Zirconium oxides, zirconates, hafnium oxides, hafnates, or oxide-forming salts thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
- C04B2235/6567—Treatment time
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
Abstract
The invention belongs to the technical field of ceramics, and particularly relates to an antibacterial sterilizing zirconium-magnesium ceramic ball and a preparation method thereof, wherein the ceramic ball comprises the following raw materials in percentage by mass: 20-30% of rare earth tailings, 12-15% of kaolin, 3-5% of bentonite, 48-55% of cooked talc and 4-5% of zirconia. The preparation method comprises the following steps: preparing superfine rare earth tailings → quantitatively weighing → preparing slurry → preparing powder by a dry method → rolling to form balls → drying → sintering → performing surface polishing treatment. According to the invention, the characteristics of far infrared ray sterilization and sterilization generated by rare trace elements contained in rare earth tailings are utilized, so that the product has antibacterial and sterilizing properties, and the sintered ceramic ball has high mechanical strength, large surface hardness, wear resistance and no breakage due to the addition of the magnesium-reinforced ceramic and the zirconium oxide. The preparation method of the invention is scientific and reasonable, is easy to implement, ensures the product quality and the qualification rate, and improves the service life of the ceramic ball.
Description
Technical Field
The invention belongs to the technical field of ceramics, and particularly relates to an antibacterial and sterilizing zirconium-magnesium ceramic ball and a preparation method thereof.
Background
The ceramic balls used in the fields are all common ceramic balls, stoneware and common porcelain materials are generally adopted, the firing temperature is low, the sintering degree is poor, the water absorption rate is high, before the ceramic balls are used, disinfection and sterilization must be carried out independently, a production process and equipment are added, the ceramic balls are easy to crush and large in loss in the using process, and continuous supplement and addition are needed in the production process, so that the production cost is improved.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the defects of the prior art are overcome, the antibacterial sterilization zirconium-magnesium ceramic ball is provided, the antibacterial sterilization zirconium-magnesium ceramic ball has the antibacterial sterilization effect, and meanwhile, the antibacterial sterilization zirconium-magnesium ceramic ball has high strength, large surface hardness, wear resistance and no breakage, and the preparation method is scientific, reasonable and easy to implement, and ensures the product quality and the qualified rate.
The invention is realized by adopting the following technical scheme:
the antibacterial sterilizing zirconium-magnesium ceramic ball comprises the following raw materials in percentage by mass: 20-30% of rare earth tailings, 12-15% of kaolin, 3-5% of bentonite, 48-55% of cooked talc and 4-5% of zirconia.
Preferably, the antibacterial sterilizing zirconium-magnesium ceramic ball comprises the following raw materials in percentage by mass: 20% of rare earth tailings, 15% of kaolin, 5% of bentonite, 55% of calcined talc and 5% of zirconia.
Preferably, the antibacterial sterilizing zirconium-magnesium ceramic ball comprises the following raw materials in percentage by mass: 23% of rare earth tailings, 14% of kaolin, 5% of bentonite, 53% of calcined talc and 5% of zirconia.
Preferably, the antibacterial sterilizing zirconium-magnesium ceramic ball comprises the following raw materials in percentage by mass: 27% of rare earth tailings, 13% of kaolin, 5% of bentonite, 51% of calcined talc and 4% of zirconia.
Preferably, the antibacterial sterilizing zirconium-magnesium ceramic ball comprises the following raw materials in percentage by mass: 30% of rare earth tailings, 15% of kaolin, 3% of bentonite, 48% of calcined talc and 4% of zirconia.
The rare earth tailings comprise La2O3、CeO2、Pr6O11、Nd2O3、Sm2O3、Eu2O3、Gd2O3、Tb4O7、Dy2O3、Ho2O3、Er2O3、Tm2O3、Yb2O3、Lu2O3Or Y2O3One or more of them. The rare earth element in 15 rare earth tailings can generate far infrared ray and can kill bacteriaThe produced antibacterial sterilizing zirconium-magnesium ceramic ball has the characteristics of antibacterial sterilization, far infrared drying, easy surface cleaning, high strength and the like.
The rare earth tailings comprise the following chemical components: al (Al)2O3 10-15wt％，SiO2 75-80wt％，Fe2O3 0.05-0.1wt％，CaO 0.5-1.5wt％，MgO 0.01-0.05wt％，K2O 3-7wt％，Na2O 1-5wt％，TiO20.01-0.03 wt% and 0.1-0.5 wt% of loss on ignition.
The kaolin is preferably Longyan kaolin and has the chemical composition comprising: al (Al)2O3 30-35wt％，SiO2 48-52wt％，Fe2O3 0.5-1wt％，CaO 0.1-0.3wt％，MgO 0.05-0.15wt％，K2O 3-7wt％，Na2O 0.3-0.6wt％，TiO20.03-0.11 wt% and 7-13 wt% loss on ignition.
The bentonite is preferably Laiyang bentonite, and the chemical composition of the bentonite comprises the following components: al (Al)2O3 10-15wt％，SiO2 72-78wt％，Fe2O3 0.5-1wt％，CaO 0.3-0.6wt％，MgO 0.8-1.3wt％，K2O 1.5-2.5wt％，Na2O 0.5-1wt％，TiO20.01-0.05 wt% and 3-9 wt% loss on ignition.
The cooked talc is preferably Cyanea rigescens cooked talc, and the chemical composition of the cooked talc contains: al (Al)2O3 0.3-1wt％，SiO2 60-68wt％，Fe2O3 0.03-0.12wt％，CaO 1-1.5wt％，MgO 30-35wt％，K2O 0.01-0.05wt％，TiO20.01-0.04 wt% and 0.3-0.7 wt% of loss on ignition.
The preparation method of the antibacterial sterilizing zirconium-magnesium ceramic ball comprises the following steps:
(1) preparation of rare earth tailing ultrafine powder
Grinding the rare earth tailings by special equipment until the rare earth tailings pass through a sieve of 500 meshes to 650 meshes to prepare rare earth tailings superfine powder;
(2) quantitative weighing
Grinding kaolin, bentonite, calcined talc and zirconia respectively until the kaolin, the bentonite, the calcined talc and the zirconia pass through a 150-mesh sieve, and then weighing quantitatively according to the mass percentage;
(3) preparation of the slurry
Mixing the raw materials weighed in the step (2) according to a material-water ratio of 1:1, putting the mixture into a ball mill for fine grinding for 22-26 hours, then adding the rare earth tailing ultrafine powder prepared in the step (1) according to the mass percentage, continuing fine grinding for 2-4 hours until the slurry passes through a 250-325-mesh sieve, and discharging and grinding to prepare slurry;
(4) dry process for preparing powder
Spray drying the slurry prepared in the step (3) to prepare powder passing through a 150-mesh sieve;
(5) rolled into balls
Putting the powder prepared in the step (4) into a ball rolling machine to roll into balls, and preparing semi-finished ceramic balls with different particle sizes according to the rolling time, wherein the particle size is preferably 3-20 mm;
(6) drying by baking
Slowly drying the semi-finished ceramic balls with different particle sizes prepared in the step (5);
(7) firing into
And (4) placing the ceramic ball semi-finished product dried in the step (6) into a kiln to perform reducing flame sintering, wherein the sintering temperature is preferably 1270-1290 ℃, and the sintering period is preferably 8-9 hours, so as to prepare the antibacterial sterilized zirconium-magnesium ceramic ball.
Preferably, the fired ceramic balls are subjected to grinding, polishing and grading, and post-treatment to obtain the antibacterial sterilized zirconium-magnesium ceramic balls.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the rare earth elements contained in the rare earth tailings generate far infrared rays, so that the zirconium-magnesium ceramic ball can be sterilized and antibacterial, the surface is easy to clean, and by utilizing the characteristics, the produced antibacterial and sterilized zirconium-magnesium ceramic ball has the characteristics of sterilization and antibiosis, far infrared drying, easy surface cleaning and the like, the staphylococcus aureus resistance rate can reach more than 95%, the staphylococcus aureus resistance durability can reach more than 87%, the escherichia coli resistance rate can reach more than 99%, and the escherichia coli resistance durability can reach more than 99%.
2. The invention utilizes the characteristic of zirconia, and adds a proper amount of zirconia into a magnesium-based reinforced porcelain body, thereby not only further improving the strength of the porcelain body, but also increasing the toughness of the porcelain body, ensuring the high strength of a ceramic ball and improving the wear resistance.
3. The invention adopts rare earth tailings to replace feldspar, on one hand, the antibacterial and sterilization effects can be generated, on the other hand, the firing temperature can be reduced by 40-50 ℃ compared with that of the magnesium reinforced porcelain, and under the condition of reducing the firing temperature, the strength can be kept higher, and the toughness can be increased to a certain extent.
4. The preparation method provided by the invention is scientific and reasonable, is easy to implement, ensures the product quality and the qualification rate, solves the problems of easy crushing, large abrasion and the like of the ceramic ball in the use process, and prolongs the service life.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative work belong to the protection scope of the present invention.
The raw materials adopted in the embodiment are rare earth tailings, Longyan kaolin, Laiyang bentonite, Cyanea vinosa and zirconia, and the raw materials comprise the following chemical components (in percentage by weight):
example 1
The antibacterial sterilizing zirconium-magnesium ceramic ball comprises the following raw materials in percentage by mass: 20% of rare earth tailings, 15% of Longyan kaolin, 5% of Laiyang bentonite, 55% of Cyrtrya vinosa and 5% of zirconium oxide.
The preparation method of the antibacterial sterilizing zirconium-magnesium ceramic ball comprises the following steps:
(1) preparing ultrafine powder of rare earth tailings, namely grinding the rare earth tailings by using special equipment to prepare ultrafine powder passing through a 500-mesh sieve;
(2) quantitatively weighing, namely finely grinding the Longyan kaolin, the Laiyang bentonite, the Cyxia cooked talc and the zirconia respectively until the materials pass through a 150-mesh sieve, and quantitatively weighing according to mass percentage;
(3) preparing slurry, mixing the raw materials weighed in the step (2) according to the material-water ratio of 1:1, filling the mixture into a ball mill for fine grinding for 22 hours, then adding the rare earth tailing ultrafine powder prepared in the step (1) according to the mass percentage, continuing fine grinding for 2 hours until the slurry passes through a 250-mesh sieve, and discharging and grinding to prepare the slurry;
(4) preparing powder by a dry method, namely performing spray drying on the slurry prepared in the step (3) to prepare powder passing through a 150-mesh sieve;
(5) rolling the powder prepared in the step (4) into balls, and rolling the powder in a ball rolling machine for 2 hours to prepare semi-finished ceramic balls with the particle size of 3 mm;
(6) drying, namely slowly drying the semi-finished ceramic ball with the particle size of 3mm prepared in the step (5);
(7) firing, namely placing the semi-finished ceramic ball with the particle size of 3mm prepared in the step (6) into an 8-cube shuttle kiln for reducing flame firing at the firing temperature of 1290 ℃ for 8 hours to prepare the ceramic ball;
(8) and (4) performing surface polishing treatment, namely polishing the ceramic balls sintered in the step (7) by using a vibration polishing machine, and manually sorting the ceramic balls in a grading manner to prepare the antibacterial sterilized zirconium-magnesium ceramic balls with smooth surfaces.
Example 2
The antibacterial sterilizing zirconium-magnesium ceramic ball comprises the following raw materials in percentage by mass: 23% of rare earth tailings, 14% of Longyan kaolin, 5% of Laiyang bentonite, 53% of Cyrtrya canescens cooked talc and 5% of zirconium oxide.
The preparation method of the antibacterial sterilizing zirconium-magnesium ceramic ball comprises the following steps:
(1) preparing ultrafine powder of rare earth tailings, namely grinding the rare earth tailings by using special equipment to prepare ultrafine powder passing through a 550-mesh sieve;
(2) quantitatively weighing, namely finely grinding the Longyan kaolin, the Laiyang bentonite, the Cyxia cooked talc and the zirconia respectively until the materials pass through a 150-mesh sieve, and quantitatively weighing according to mass percentage;
(3) preparing slurry, mixing the raw materials weighed in the step (2) according to the material-water ratio of 1:1, filling the mixture into a ball mill for fine grinding for 23 hours, then adding the rare earth tailing ultrafine powder prepared in the step (1) according to the mass percentage, continuing fine grinding for 2 hours until the slurry passes through a 270-mesh sieve, and discharging and grinding to prepare the slurry;
(4) preparing powder by a dry method, namely performing spray drying on the slurry prepared in the step (3) to prepare powder passing through a 150-mesh sieve;
(5) rolling the powder prepared in the step (4) into balls, and rolling the powder in a ball rolling machine for 3 hours to prepare semi-finished ceramic balls with the particle size of 5 mm;
(6) drying, namely slowly drying the semi-finished ceramic ball with the particle size of 5mm prepared in the step (5);
(7) firing, namely placing the semi-finished ceramic ball with the particle size of 5mm prepared in the step (6) into an 8-cube shuttle kiln for reduction flame firing at the firing temperature of 1280 ℃ for 8 hours to prepare the ceramic ball;
(8) and (4) performing surface polishing treatment, namely polishing the ceramic balls sintered in the step (7) by using a vibration polishing machine, and manually sorting the ceramic balls in a grading manner to prepare the antibacterial sterilized zirconium-magnesium ceramic balls with smooth surfaces.
Example 3
The antibacterial sterilizing zirconium-magnesium ceramic ball comprises the following raw materials in percentage by mass: 27% of rare earth tailings, 13% of Longyan kaolin, 5% of Laiyang bentonite, 51% of Cyrtrya canescens cooked talc and 4% of zirconium oxide.
The preparation method of the antibacterial sterilizing zirconium-magnesium ceramic ball comprises the following steps:
(1) preparing ultrafine powder of rare earth tailings, namely grinding the rare earth tailings by using special equipment to prepare ultrafine powder which passes through a 600-mesh sieve;
(2) quantitatively weighing, namely finely grinding the Longyan kaolin, the Laiyang bentonite, the Cyxia cooked talc and the zirconia respectively until the materials pass through a 150-mesh sieve, and quantitatively weighing according to mass percentage;
(3) preparing slurry, mixing the raw materials weighed in the step (2) according to the material-water ratio of 1:1, putting the mixture into a ball mill for fine grinding for 24 hours, then adding the rare earth tailing ultrafine powder prepared in the step (1) according to the mass percentage, continuing fine grinding for 3 hours until the slurry passes through a 300-mesh sieve, and discharging and grinding to prepare the slurry;
(4) preparing powder by a dry method, namely performing spray drying on the slurry prepared in the step (3) to prepare powder passing through a 150-mesh sieve;
(5) rolling the powder prepared in the step (4) into balls, and rolling the powder in a ball rolling machine for 4 hours to prepare a semi-finished ceramic ball product with the particle size of 10 mm;
(6) drying, namely slowly drying the semi-finished ceramic ball product with the particle size of 10mm prepared in the step (5);
(7) firing, namely placing the semi-finished ceramic ball with the particle size of 10mm prepared in the step (6) into an 8-cube shuttle kiln for reducing flame firing at the firing temperature of 1280 ℃ for 9 hours to prepare the ceramic ball;
(8) and (4) performing surface polishing treatment, namely polishing the ceramic balls sintered in the step (7) by using a vibration polishing machine, and manually sorting the ceramic balls in a grading manner to prepare the antibacterial sterilized zirconium-magnesium ceramic balls with smooth surfaces.
Example 4
The antibacterial sterilizing zirconium-magnesium ceramic ball comprises the following raw materials in percentage by mass: 30% of rare earth tailings, 15% of Longyan kaolin, 3% of Laiyang bentonite, 48% of Cyrtrya matsudahlia cooked talc and 4% of zirconium oxide.
The preparation method of the antibacterial sterilizing zirconium-magnesium ceramic ball comprises the following steps:
(1) preparing ultrafine powder of rare earth tailings, namely grinding the rare earth tailings by using special equipment to prepare ultrafine powder passing through a 650-mesh sieve;
(2) quantitatively weighing, namely finely grinding the Longyan kaolin, the Laiyang bentonite, the Cyxia cooked talc and the zirconia respectively until the materials pass through a 150-mesh sieve, and quantitatively weighing according to mass percentage;
(3) preparing slurry, mixing the raw materials weighed in the step (2) according to the material-water ratio of 1:1, filling the mixture into a ball mill for fine grinding for 26 hours, then adding the rare earth tailing ultrafine powder prepared in the step (1) according to the mass percentage, continuing fine grinding for 4 hours until the slurry passes through a 325-mesh sieve, and discharging and grinding the slurry to prepare the slurry;
(4) preparing powder by a dry method, namely performing spray drying on the slurry prepared in the step (3) to prepare powder passing through a 150-mesh sieve;
(5) rolling the powder prepared in the step (4) into balls, and rolling the powder in a ball rolling machine for 5 hours to prepare semi-finished ceramic balls with the particle size of 20 mm;
(6) drying, namely slowly drying the semi-finished ceramic ball with the particle size of 20mm prepared in the step (5);
(7) firing, namely placing the semi-finished ceramic ball with the particle size of 20mm prepared in the step (6) into an 8-cube shuttle kiln for reduction flame firing at the firing temperature of 1270 ℃ for 9 hours to prepare the ceramic ball;
(8) and (4) performing surface polishing treatment, namely polishing the ceramic balls sintered in the step (7) by using a vibration polishing machine, and manually sorting the ceramic balls in a grading manner to prepare the antibacterial sterilized zirconium-magnesium ceramic balls with smooth surfaces.
The antibacterial sterilizing zirconium magnesium ceramic balls prepared in the examples 1 to 4 and the existing common ceramic balls are subjected to antibacterial performance and damage load tests by adopting the existing detection standards, and the results are as follows:
from the experimental data in the table, it can be known that the antibacterial performance and the damage load of the two antibacterial sterilization zirconium magnesium ceramic balls in the embodiment 3 and the embodiment 4 are both good, the comprehensive performance comparison, the production process technology and the production cost control are good, and the embodiment 3 is the best, so that the antibacterial sterilization zirconium magnesium ceramic balls have good popularization value.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. An antibacterial sterilization zirconium magnesium ceramic ball is characterized in that: the material is prepared from the following raw materials in percentage by mass: 20-30% of rare earth tailings, 12-15% of kaolin, 3-5% of bentonite, 48-55% of cooked talc and 4-5% of zirconia.
2. The antibacterial and sterilizing zirconium-magnesium ceramic ball of claim 1, wherein: the rare earth tailings comprise La2O3、CeO2、Pr6O11、Nd2O3、Sm2O3、Eu2O3、Gd2O3、Tb4O7、Dy2O3、Ho2O3、Er2O3、Tm2O3、Yb2O3、Lu2O3Or Y2O3One or more of them.
3. The antibacterial and sterilizing zirconium-magnesium ceramic ball of claim 1, wherein: the rare earth tailings comprise the following chemical components: al (Al)2O3 10-15wt％，SiO2 75-80wt％，Fe2O3 0.05-0.1wt％，CaO 0.5-1.5wt％，MgO 0.01-0.05wt％，K2O 3-7wt％，Na2O 1-5wt％，TiO20.01-0.03 wt% and 0.1-0.5 wt% of loss on ignition.
4. The antibacterial and sterilizing zirconium-magnesium ceramic ball of claim 1, wherein: the kaolin is Longyan kaolin, the bentonite is Laiyang bentonite, and the cooked talc is Cyanea vinosa.
5. The antibacterial and sterilizing zirconium-magnesium ceramic ball of claim 4, wherein: the chemical composition of the Longyan kaolin comprises: al (Al)2O3 30-35wt％，SiO2 48-52wt％，Fe2O3 0.5-1wt％，CaO 0.1-0.3wt％，MgO0.05-0.15wt％，K2O 3-7wt％，Na2O 0.3-0.6wt％，TiO20.03-0.11 wt% and 7-13 wt% of loss on ignition; the Laiyang bentonite comprises the following chemical components: al (Al)2O3 10-15wt％，SiO2 72-78wt％，Fe2O3 0.5-1wt％，CaO 0.3-0.6wt％，MgO 0.8-1.3wt％，K2O 1.5-2.5wt％，Na2O 0.5-1wt％，TiO20.01-0.05 wt% and 3-9 wt% of ignition loss; the Cyanea sylvestris cooked talc comprises the following chemical components: al (Al)2O3 0.3-1wt％，SiO2 60-68wt％，Fe2O3 0.03-0.12wt％，CaO1-1.5wt％，MgO 30-35wt％，K2O 0.01-0.05wt％，TiO20.01-0.04 wt% and 0.3-0.7 wt% of loss on ignition.
6. A method for preparing the antibacterial sterilizing zirconium-magnesium ceramic ball as claimed in any one of claims 1 to 5, which is characterized in that: the method comprises the following steps:
(1) preparation of rare earth tailing ultrafine powder
Grinding the rare earth tailings to obtain rare earth tailing ultrafine powder;
(2) quantitative weighing
Grinding kaolin, bentonite, calcined talc and zirconia respectively, and then weighing quantitatively;
(3) preparation of the slurry
Adding water into the raw materials weighed in the step (2), mixing, performing ball milling, then adding the rare earth tailing ultrafine powder prepared in the step (1), continuing ball milling until the slurry passes through a 250-325-mesh sieve, and performing ball milling to prepare slurry;
(4) dry process for preparing powder
Spray drying the slurry prepared in the step (3) to prepare powder;
(5) rolled into balls
Rolling the powder prepared in the step (4) into balls to prepare semi-finished ceramic balls;
(6) drying by baking
Slowly drying the semi-finished ceramic ball prepared in the step (5);
(7) firing into
And (4) placing the semi-finished ceramic ball dried in the step (6) into a kiln, and sintering by adopting reducing flame to obtain the antibacterial sterilized zirconium-magnesium ceramic ball.
7. The preparation method of the antibacterial sterilizing zirconium-magnesium ceramic ball according to claim 6, characterized in that: grinding the rare earth tailings in the step (1) until the rare earth tailings pass through a sieve of 500 meshes to 650 meshes; in the step (2), kaolin, bentonite, calcined talc and zirconia are respectively ground until the kaolin, bentonite, calcined talc and zirconia pass through a 150-mesh sieve.
8. The preparation method of the antibacterial sterilizing zirconium-magnesium ceramic ball according to claim 6, characterized in that: and (3) adding water into the various raw materials ground in the step (2), mixing, performing ball milling for 22-26 hours, adding the rare earth tailing ultrafine powder prepared in the step (1), and continuing ball milling for 2-4 hours.
9. The preparation method of the antibacterial sterilizing zirconium-magnesium ceramic ball according to claim 6, characterized in that: in the step (4), the slurry prepared in the step (3) is subjected to spray drying to prepare powder passing through a 150-mesh sieve; the grain diameter of the semi-finished ceramic ball prepared in the step (5) is 3mm-20 mm.
10. The preparation method of the antibacterial sterilizing zirconium-magnesium ceramic ball according to claim 6, characterized in that: in the step (7), the firing temperature is 1270-1290 ℃, the reducing flame firing is carried out, and the firing period is 8-9 hours.
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| CN114835476A (en) * | 2022-03-15 | 2022-08-02 | 福建省德化县豪发陶瓷有限公司 | High-strength blue-and-white five-color glazed porcelain and preparation method thereof |
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