CN105777066A - Longquan celadon made from rare earth tailings and manufacture method thereof - Google Patents
Longquan celadon made from rare earth tailings and manufacture method thereof Download PDFInfo
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- CN105777066A CN105777066A CN201610161295.XA CN201610161295A CN105777066A CN 105777066 A CN105777066 A CN 105777066A CN 201610161295 A CN201610161295 A CN 201610161295A CN 105777066 A CN105777066 A CN 105777066A
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- China
- Prior art keywords
- longquan celadon
- rare earth
- raw material
- earth tailings
- celadon
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 59
- 150000002910 rare earth metals Chemical class 0.000 title claims abstract description 59
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000000843 powder Substances 0.000 claims abstract description 36
- 239000000654 additive Substances 0.000 claims abstract description 30
- 230000000996 additive effect Effects 0.000 claims abstract description 30
- 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 19
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000005995 Aluminium silicate Substances 0.000 claims abstract description 18
- 235000012211 aluminium silicate Nutrition 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000002270 dispersing agent Substances 0.000 claims abstract description 11
- 239000000314 lubricant Substances 0.000 claims abstract description 11
- 239000010453 quartz Substances 0.000 claims abstract description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 9
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000000292 calcium oxide Substances 0.000 claims abstract description 9
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000004014 plasticizer Substances 0.000 claims abstract description 9
- 239000002994 raw material Substances 0.000 claims description 52
- 239000000203 mixture Substances 0.000 claims description 21
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 18
- 239000000758 substrate Substances 0.000 claims description 15
- 239000011734 sodium Substances 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 11
- 239000002689 soil Substances 0.000 claims description 11
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 10
- 238000000465 moulding Methods 0.000 claims description 9
- 239000000126 substance Substances 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- 239000004411 aluminium Substances 0.000 claims description 8
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 8
- 239000012298 atmosphere Substances 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 8
- 229910052593 corundum Inorganic materials 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 8
- 239000004744 fabric Substances 0.000 claims description 8
- 239000010433 feldspar Substances 0.000 claims description 8
- 238000007602 hot air drying Methods 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 8
- 238000007873 sieving Methods 0.000 claims description 8
- 239000000377 silicon dioxide Substances 0.000 claims description 8
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 8
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 8
- 239000011230 binding agent Substances 0.000 claims description 7
- 229910052681 coesite Inorganic materials 0.000 claims description 7
- 229910052906 cristobalite Inorganic materials 0.000 claims description 7
- 229910052682 stishovite Inorganic materials 0.000 claims description 7
- 229910052905 tridymite Inorganic materials 0.000 claims description 7
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 6
- 229920002301 cellulose acetate Polymers 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 239000002202 Polyethylene glycol Substances 0.000 claims description 5
- 229920002472 Starch Polymers 0.000 claims description 5
- BAECOWNUKCLBPZ-HIUWNOOHSA-N Triolein Natural products O([C@H](OCC(=O)CCCCCCC/C=C\CCCCCCCC)COC(=O)CCCCCCC/C=C\CCCCCCCC)C(=O)CCCCCCC/C=C\CCCCCCCC BAECOWNUKCLBPZ-HIUWNOOHSA-N 0.000 claims description 5
- PHYFQTYBJUILEZ-UHFFFAOYSA-N Trioleoylglycerol Natural products CCCCCCCCC=CCCCCCCCC(=O)OCC(OC(=O)CCCCCCCC=CCCCCCCCC)COC(=O)CCCCCCCC=CCCCCCCCC PHYFQTYBJUILEZ-UHFFFAOYSA-N 0.000 claims description 5
- 229920001223 polyethylene glycol Polymers 0.000 claims description 5
- 239000008107 starch Substances 0.000 claims description 5
- 235000019698 starch Nutrition 0.000 claims description 5
- PHYFQTYBJUILEZ-IUPFWZBJSA-N triolein Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCC(OC(=O)CCCCCCC\C=C/CCCCCCCC)COC(=O)CCCCCCC\C=C/CCCCCCCC PHYFQTYBJUILEZ-IUPFWZBJSA-N 0.000 claims description 5
- QMMJWQMCMRUYTG-UHFFFAOYSA-N 1,2,4,5-tetrachloro-3-(trifluoromethyl)benzene Chemical compound FC(F)(F)C1=C(Cl)C(Cl)=CC(Cl)=C1Cl QMMJWQMCMRUYTG-UHFFFAOYSA-N 0.000 claims description 4
- 244000025254 Cannabis sativa Species 0.000 claims description 4
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 4
- VKCNNSOQWIRDIY-UHFFFAOYSA-N acetic acid;2-[2-(2-hydroxyethoxy)ethoxy]ethanol Chemical compound CC(O)=O.OCCOCCOCCO VKCNNSOQWIRDIY-UHFFFAOYSA-N 0.000 claims description 4
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 4
- 239000002002 slurry Substances 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 claims description 3
- ZEMPKEQAKRGZGQ-AAKVHIHISA-N 2,3-bis[[(z)-12-hydroxyoctadec-9-enoyl]oxy]propyl (z)-12-hydroxyoctadec-9-enoate Chemical compound CCCCCCC(O)C\C=C/CCCCCCCC(=O)OCC(OC(=O)CCCCCCC\C=C/CC(O)CCCCCC)COC(=O)CCCCCCC\C=C/CC(O)CCCCCC ZEMPKEQAKRGZGQ-AAKVHIHISA-N 0.000 claims description 3
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 claims description 3
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 claims description 3
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 3
- 239000005642 Oleic acid Substances 0.000 claims description 3
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 claims description 3
- 235000021355 Stearic acid Nutrition 0.000 claims description 3
- 238000000498 ball milling Methods 0.000 claims description 3
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 3
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 3
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 3
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 claims description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 3
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 3
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims description 3
- 239000008117 stearic acid Substances 0.000 claims description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 2
- 235000019270 ammonium chloride Nutrition 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 235000011187 glycerol Nutrition 0.000 claims description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 2
- 239000003350 kerosene Substances 0.000 claims description 2
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 claims description 2
- OVXRPXGVKBHGQO-UYWIDEMCSA-N methyl (1r,4ar,4br,10ar)-1,4a-dimethyl-7-propan-2-yl-2,3,4,4b,5,6,10,10a-octahydrophenanthrene-1-carboxylate Chemical compound C1CC(C(C)C)=CC2=CC[C@H]3[C@@](C(=O)OC)(C)CCC[C@]3(C)[C@H]21 OVXRPXGVKBHGQO-UYWIDEMCSA-N 0.000 claims description 2
- 239000004200 microcrystalline wax Substances 0.000 claims description 2
- 235000019808 microcrystalline wax Nutrition 0.000 claims description 2
- 235000019422 polyvinyl alcohol Nutrition 0.000 claims description 2
- 235000019353 potassium silicate Nutrition 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 8
- 239000000853 adhesive Substances 0.000 abstract description 4
- 230000001070 adhesive effect Effects 0.000 abstract description 4
- 230000002829 reductive effect Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- DLHONNLASJQAHX-UHFFFAOYSA-N aluminum;potassium;oxygen(2-);silicon(4+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Al+3].[Si+4].[Si+4].[Si+4].[K+] DLHONNLASJQAHX-UHFFFAOYSA-N 0.000 abstract 1
- 238000001354 calcination Methods 0.000 abstract 1
- 239000004927 clay Substances 0.000 abstract 1
- 229910052573 porcelain Inorganic materials 0.000 description 10
- 238000005452 bending Methods 0.000 description 6
- 239000000470 constituent Substances 0.000 description 6
- 238000009413 insulation Methods 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 6
- 238000003825 pressing Methods 0.000 description 6
- 238000009472 formulation Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 3
- 229910052925 anhydrite Inorganic materials 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000002932 luster Substances 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 244000178870 Lavandula angustifolia Species 0.000 description 1
- 235000010663 Lavandula angustifolia Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229910052622 kaolinite Inorganic materials 0.000 description 1
- 239000001102 lavandula vera Substances 0.000 description 1
- 235000018219 lavender Nutrition 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003746 solid phase reaction Methods 0.000 description 1
- 238000010671 solid-state reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
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- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/1305—Organic additives
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- 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
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- C04B33/00—Clay-wares
- C04B33/24—Manufacture of porcelain or white ware
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- 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
- C04B33/32—Burning methods
- C04B33/34—Burning methods combined with glazing
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- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/632—Organic additives
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- 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
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3208—Calcium oxide or oxide-forming salts thereof, e.g. lime
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- 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
- C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
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- 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
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3418—Silicon oxide, silicic acids or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
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- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3427—Silicates other than clay, e.g. water glass
- C04B2235/3463—Alumino-silicates other than clay, e.g. mullite
- C04B2235/3472—Alkali metal alumino-silicates other than clay, e.g. spodumene, alkali feldspars such as albite or orthoclase, micas such as muscovite, zeolites such as natrolite
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- 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
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- 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
- C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
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- 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
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- Chemical & Material Sciences (AREA)
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- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Environmental & Geological Engineering (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention discloses Longquan celadon made from rare earth tailings and a manufacture method thereof, comprising materials for a Longquan celadon body, water and an additive having a weight ratio of 50-65:35-40:1-5. The materials for the Longquan celadon body include, in percent by weight: 15-75% of rare earth tailings, 30-65% of quartz, 10-30% of calcining oxidized aluminum powder, 15-30% of calcined kaolin powder, 30-50% of kaolin powder, 2-10% of potassium feldspar powder, 1-3% of calcium oxide, 1-8% of Zijin clay; the additive comprises, by the materials for the Longquan celadon body: 2-7% of an adhesive, 5-15% of a plasticizer, 21-55% of a lubricant, and 1-5% of a dispersant. The discarded rare earth resources are made full use, resourceful utilization of rare earth tailings and the application and development of Longquan celadon making technology are promoted effectively, and planned production cost of Longquan celadon is reduced greatly.
Description
Technical field
The present invention relates to a kind of Longquan celadon technical field, particularly relate to a kind of Longquan celadon prepared with rare earth tailings for raw material and manufacture method thereof.
Background technology
China's rare earth resources rich reserves, rare earth tailings is remaining mine tailing after Extraction of rare earth, but owing to Rare Earth Mine taste is relatively low, the exploitation of rare earth brings substantial amounts of rare earth tailings.At present, the processing mode of rare earth tailings is mainly piled up or landfill, and this processing mode floor space is relatively big, wastes a large amount of land resource；And water and soil resources will be caused severe contamination by this processing mode, destroy ecological balance, hinder the sustainable development of economy.Therefore, the resource regeneration to rare earth tailings, is the important channel realizing Sustainable Development of Mineral Resource, is not only the Strategic Demand of China's Rare-earth Industry, and Ye Shi China sets up the urgent needs of resource, energy conservation type society.
Longquan celadon, color and luster simple and natural with moulding dignity always is pure bright-colored well-known, has the bigger market demand.But, cost of material is high, celadon intensity and the factor of the aspect such as not enough hinders the popularization and application of Longquan celadon in intensity of colour.Celadon intensity and the deficiency in intensity of colour can be overcome with the Longquan celadon that rare earth tailings is raw material manufacture, and using discarded rare earth tailings as the raw material manufacturing celadon, reduce cost of material, alleviate environmental hazard, there is significant Social benefit and economic benefit.For this, a kind of Longquan celadon prepared with rare earth tailings for raw material and manufacture method thereof are urgently researched and developed.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of Longquan celadon prepared with rare earth tailings for raw material and manufacture method thereof, improves the utilization rate of rare earth tailings.
For solving above technical problem, the technical scheme is that a kind of Longquan celadon prepared with rare earth tailings for raw material.It includes Longquan celadon base raw material, water and additive, and percentage by weight is 50～65:35～40:1～5.
Further, the raw material weight percentage ratio respectively rare earth tailings 15～75% of blank oxide in described Longquan celadon base raw material, quartz 30～65%, calcined oxide aluminium powder 10～30%, calcined kaolin powder 15～30%, kaolin powder 30～50%, feldspar in powder 2～10%, calcium oxide 1～3%, Zijin soil 1～8%；In Longquan celadon blank, additive consist of binding agent 2～7%, mould agent 5～15%, lubricant 21～25%, dispersant 1～5%.
Further, described rare earth tailings chemical composition contains SiO250～85%, Al2O35～20%, Fe2O31.5～3.5%, K2O0.6～2.5%, Na2O0.2～2.0%, CaO0.1～0.3%, MgO0.1～1.0%, TiO20.1～0.5%, I.L2.0～5.0%, K2O+Na2O2～10%.
Further, described binding agent be in carboxymethyl cellulose, polyvinyl alcohol, starch, glycerol one or more；Plasticizer is one or more in glycerol, acetic acid 2,2'-ethylenedioxybis(ethanol)., butyl stearate, Abalyn.；Lubricant is one or more in cellulose acetate, stearic acid, kerosene, microcrystalline wax, oleic acid；Dispersant is for for gathering methyl acrylamide (PMAA-NH4), ammonium chloride (NH4Cl), Polyethylene Glycol (mean molecule quantity is 10000), glycerol trioleate (GTO), one or more in Oleum Ricini (CTO).Above-mentioned additive can improve solid content in ball-milled mixtures, it is ensured that the dispersibility of Longquan celadon blank slip and stability.Above-mentioned additive makes raw material slip effect good, and additive is not volatile, and human body and environment is all safer.
Further, the base raw material of described Longquan celadon is one or more in Huang Tanni, Pucheng mud, precious Xi Nihezhu township mud；The granularity of described Longquan celadon base raw material is below 325 mesh sieves.
Further, a kind of Longquan celadon manufacture method prepared for raw material with rare earth tailings, comprise the following steps:
Base raw material and water are finely ground to all through 10000-hole sieve by S1 by mixing, and stir mixing 1～4h in batch mixer；Weigh base raw material, waterglass, sodium humate 5～8:0.3～1.0:0.45～0.65 carrying out slurry stirring mixing 3～4h in proportion, be subsequently adding additive and be stirred uniformly forming mud；
S2 carries out old after vacuum pugging, then repeats vacuum pugging, then is shaped；
The Longquan celadon base substrate of molding is dried by S3, after microwave drying and hot air drying, carries out biscuiting at 500～700 DEG C of temperature, is incubated 1～2h；
S4 after cooling, then execute tradition Longquan celadon green grass or young crops glaze layer 1～2mm, burn till at heat treatment temperature 1150～1300 DEG C under reducing atmosphere, heat treatment programming rate is 2～5 DEG C/min, be incubated 2～3h, it is thus achieved that a kind of be raw material with rare earth tailings Longquan celadon.
Further, in described step S1: the addition of rare earth tailings is 1～5 times of celadon blank；The addition of additive is 1～3 times of celadon blank.
Further, in described step S1: described celadon batch mixtures ball milling is D10 > 0.06 μm to fineness, D90 is 0.35 ± 0.05 μm, D100 < 3 μm, and use the screen cloth of aperture≤1 μm to carry out sieving remove impurity, thus obtaining Longquan celadon blank slip.After Longquan celadon blank slip reaches this micro/nano level fineness, Longquan celadon base substrate becomes porcelain intensity more preferably, and compactness is more preferably.
Further, in described step S2: slip fineness 325 order during slip is old；Tail over 0.3～0.6%；Slip moisture content 24～28%；Slip proportion 1.65～1.95%；Slurry flow rate 25～40 seconds.
Further, in described step S4: the described Longquan celadon painted raw material of green grass or young crops glaze is Zijin soil, Fe2O3, one or more in FeO.
The present invention adopts rare earth tailings to replace or replaces the common silica flour and Anhydrite that are generally adopted in part prior art, coordinate the celadon base material powder modification optimized, mainly by Free quartz in rare earth tailings and the kaolinite by Anhydrite air slaking, the characteristic fully can reacted with celadon base raw material, make solid state reaction carry out more complete, be favorably improved celadon and become porcelain intensity.
The present invention prepares Longquan celadon with rare earth tailings for raw material, and its base slip has good suspension and dispersibility, and chemical stability is high, rheological property is good, environment friendly and pollution-free.And, then through reductive heat treatment after the base substrate glazing of biscuiting, the associativity of base glaze is good, become porcelain intensity height, third dimension strong, tone exquisiteness no color differnece.
It is simple that the present invention manufactures Longquan celadon technique, and production cost can be greatly reduced, and fully improves rare earth tailings resource utilization.
Detailed description of the invention
Embodiment 1
By weight, preparation Longquan celadon blank oxide component is as follows: rare earth tailings 45% for S1, quartz 55%, calcined oxide aluminium powder 10%, calcined kaolin powder 25%, kaolin powder 15%, feldspar in powder 3%, calcium oxide 0.4%, Zijin soil 4%.Its middle rare earth tailings chemical constituent content is: SiO265.56%, Al2O324.57%, Fe2O31.7%, K2O1.0%, Na2O0.3%, CaO0.1%, MgO1.2%, TiO20.2%, I.L3.0%.
By weight percentage, the percentage by weight of Longquan celadon base raw material, water and additive is 54:41:5 to S2.Wherein, in base substrate blank formulation, described binding agent carboxymethyl cellulose is 12%, and plasticizer glycerol is 15%, and lubricant cellulose acetate is 25%, dispersant PMAA-NH4It is 1%.After base raw material, water and additive mix homogeneously, it is placed in ball mill and is milled to D10 > 0.06 μm, D90 is 0.35 ± 0.05 μm, after the fineness that D100 < is 3 μm, the screen cloth using aperture 325 order carries out sieving remove impurity, old, forms high-performance Longquan celadon base slip.
Slip filter pressing is formed pureed, deaeration after vacuum pugging is old by S3, then repeats vacuum pugging, then is dried by the Longquan celadon base substrate of molding, after microwave drying and hot air drying, carries out biscuiting at 650 DEG C of temperature, is incubated 1h.
S4 is after cooling, execute tradition Longquan celadon lavender grey glaze again, burn till at 1200 DEG C of temperature of reducing atmosphere, insulation 2h, heat treated heating rate is 2 DEG C/min, obtain into porcelain intensity height, bending and compressive strength is good, bright in luster, texture natural, texture is soft, third dimension is strong, have natural pale blue texture and color, the Longquan celadon product that surface is more smooth and smooth.
Embodiment 2
By weight, preparation Longquan celadon blank oxide component is as follows: rare earth tailings 50% for S1, quartz 50%, calcined oxide aluminium powder 20%, calcined kaolin powder 30%, kaolin powder 10%, feldspar in powder 4%, calcium oxide 0.5%, Zijin soil 5%.Its middle rare earth tailings chemical constituent content is: SiO267.89%, Al2O327.78%, Fe2O31.5%, K2O1.1%, Na2O0.4%, CaO0.2%, MgO1.0%, TiO20.2%, I.L3.5%.
By weight percentage, the percentage by weight of Longquan celadon base raw material, water and additive is 62:35:3 to S2.Wherein, in base substrate blank formulation, the composition binding agent polyvinyl alcohol of described additive is 10%, and plasticizer acetic acid 2,2'-ethylenedioxybis(ethanol). is 13%, and lubricant cellulose acetate is 21%, and dispersant Polyethylene Glycol is 1%.After base raw material, water and additive mix homogeneously, it is placed in ball mill and is milled to D10 > 0.06 μm, D90 is 0.35 ± 0.05 μm, after the fineness that D100 < is 3 μm, the screen cloth using aperture 325 order carries out sieving remove impurity, old, forms high-performance Longquan celadon base slip.
Slip filter pressing is formed pureed, deaeration after vacuum pugging is old by S3, then repeats vacuum pugging, then is dried by the Longquan celadon base substrate of molding, after microwave drying and hot air drying, carries out biscuiting at 600 DEG C of temperature, is incubated 1h.
S4 is after cooling, execute tradition Longquan celadon yellowish pea green glaze again, burn till at 1200 DEG C of temperature of reducing atmosphere, insulation 2.5h, heat treated heating rate is 2 DEG C/min, obtain into that porcelain intensity is high, bending and compressive strength is good, texture is natural, texture is soft, third dimension is strong, have natural pea green as texture, the Longquan celadon product that surface is more smooth, smooth.
Embodiment 3
By weight, preparation Longquan celadon blank oxide component is as follows: rare earth tailings 52% for S1, quartz 56%, calcined oxide aluminium powder 25%, calcined kaolin powder 34%, kaolin powder 16%, feldspar in powder 5%, calcium oxide 0.7%, Zijin soil 4%.Its middle rare earth tailings chemical constituent content is: SiO268.97%, Al2O329.39%, Fe2O32.3%, K2O1.4%, Na2O0.2%, CaO0.3%, MgO1.0%, TiO20.1%, I.L4.5%.
By weight percentage, the percentage by weight of Longquan celadon base raw material, water and additive is 61:35:4 to S2.Wherein, in base substrate blank formulation, the composition adhesive starch of described additive is 6.5%, and plasticizer glycerol is 11%, and lubricant cellulose acetate is 23%, and dispersant GTO is 2%.After base raw material, water and additive mix homogeneously, it is placed in ball mill and is milled to D10 > 0.06 μm, D90 is 0.35 ± 0.05 μm, after the fineness that D100 < is 3 μm, the screen cloth using aperture 325 order carries out sieving remove impurity, old, forms high-performance Longquan celadon base slip.
Slip filter pressing is formed pureed, deaeration after vacuum pugging is old by S3, then repeats vacuum pugging, then is dried by the Longquan celadon base substrate of molding, after microwave drying and hot air drying, carries out biscuiting at 600 DEG C of temperature, is incubated 2h.
S4 is after cooling, execute tradition Longquan celadon plum green glaze again, burn till at 1250 DEG C of temperature of reducing atmosphere, insulation 1.5h, heat treated heating rate is 2 DEG C/min, obtain into porcelain intensity height, bending and compressive strength is good, texture is natural, texture is soft, third dimension is strong, has natural plum green texture, the Longquan celadon product that surface is more smooth, smooth.
Embodiment 4
By weight, preparation Longquan celadon blank oxide component is as follows: rare earth tailings 51% for S1, quartz 54%, calcined oxide aluminium powder 27%, calcined kaolin powder 32%, kaolin powder 14%, feldspar in powder 6%, calcium oxide 1.0%, Zijin soil 5%.Its middle rare earth tailings chemical constituent content is: SiO265.28%, Al2O324.98%, Fe2O33.58%, K2O4.29%, Na2O0.26%, CaO0.33%, MgO0.53%, TiO20.09%, I.L4.0%.
By weight percentage, the percentage by weight of Longquan celadon base raw material, water and additive is 58:37:5 to S2.Wherein, in base substrate blank formulation, the composition binding agent polyvinyl alcohol of described additive is 5%, and plasticizer acetic acid 2,2'-ethylenedioxybis(ethanol). is 8%, and lubricant stearic acid is 22%, dispersant PMAA-NH4It is 3.5%.After base raw material, water and additive mix homogeneously, it is placed in ball mill and is milled to D10 > 0.06 μm, D90 is 0.35 ± 0.05 μm, after the fineness that D100 < is 3 μm, use the screen cloth of aperture 325 order, and the remove impurity that carries out sieving, old, form high-performance Longquan celadon base slip.
Slip filter pressing is formed pureed, deaeration after vacuum pugging is old by S3, then repeats vacuum pugging, then is dried by the Longquan celadon base substrate of molding, after microwave drying and hot air drying, carries out biscuiting at 550 DEG C of temperature, is incubated 1h.
S4 is after cooling, execute tradition Longquan celadon yellowish pea green glaze again, burn till at 1200 DEG C of temperature of reducing atmosphere, insulation 1.5h, heat treated heating rate is 2 DEG C/min, obtain into that porcelain intensity is high, bending and compressive strength is good, and texture is natural, texture is soft, third dimension is strong, have natural pea green texture, the Longquan celadon product that surface is more smooth, smooth.
Embodiment 5
By weight, preparation Longquan celadon blank oxide component is as follows: rare earth tailings 56% for S1, quartz 58%, calcined oxide aluminium powder 24%, calcined kaolin powder 32%, kaolin powder 18%, feldspar in powder 6%, calcium oxide 0.9%, Zijin soil 5%.Its middle rare earth tailings chemical constituent content is: SiO263.07%, Al2O326.06%, Fe2O33.9%, K2O2.4%, Na2O0.1%, CaO0.5%, MgO0.6%, TiO20.2%, I.L3.9%.
By weight percentage, the percentage by weight of Longquan celadon base raw material, water and additive is 60:37:3 to S2.Wherein, in base substrate blank formulation, the composition adhesive starch of described additive is 6%, and plasticizer butyl stearate is 10%, and lubricant cellulose acetate is 22%, and dispersant Polyethylene Glycol is 2.5%.After base raw material, water and additive mix homogeneously, it is placed in ball mill and is milled to D10 > 0.06 μm, D90 is 0.35 ± 0.05 μm, after the fineness that D100 < is 3 μm, use the screen cloth of aperture 325 order, and the remove impurity that carries out sieving, old, form high-performance Longquan celadon base slip.
Slip filter pressing is formed pureed, deaeration after vacuum pugging is old by S3, then repeats vacuum pugging, then is dried by the Longquan celadon base substrate of molding, after microwave drying and hot air drying, carries out biscuiting at 650 DEG C of temperature, is incubated 2h.
S4 is after cooling, execute tradition Longquan celadon yellowish pea green glaze again, burn till at 1250 DEG C of temperature of reducing atmosphere, insulation 2.5h, heat treated heating rate is 2 DEG C/min, it is thus achieved that become porcelain intensity height, bending and compressive strength good, and texture is natural, texture is soft, third dimension is strong, has natural pea green texture, the Longquan celadon product that surface is more smooth, smooth.
Embodiment 6
By weight, preparation Longquan celadon blank oxide component is as follows: rare earth tailings 50% for S1, quartz 46%, calcined oxide aluminium powder 18%, calcined kaolin powder 31%, kaolin powder 12%, feldspar in powder 6%, calcium oxide 0.8%, Zijin soil 5%.Its middle rare earth tailings chemical constituent content is: SiO264.12%, Al2O325.63%, Fe2O33.9%, K2O3.4%, Na2O0.3%, CaO0.5%, MgO1.0%, TiO20.09%, I.L5.5%.
By weight percentage, the percentage by weight of Longquan celadon base raw material, water and additive is 59:36:4 to S2.Wherein, the composition adhesive starch of described additive is 7%, and plasticizer butyl stearate is 13%, and lubricant oleic acid is 24%, and dispersant Polyethylene Glycol is 4%.After base raw material, water and additive mix homogeneously, it is placed in ball mill ball milling to D10 > 0.06 μm, D90 is 0.35 ± 0.05 μm, after the fineness that D100 < is 3 μm, use the screen cloth of aperture 325 order, and the remove impurity that carries out sieving, old, form high-performance Longquan celadon base slip.
Slip filter pressing is formed pureed, deaeration after vacuum pugging is old by S3, then repeats vacuum pugging, then is dried by the Longquan celadon base substrate of molding, after microwave drying and hot air drying, carries out biscuiting at 700 DEG C of temperature, is incubated 1.5h.
S4 is after cooling, execute tradition Longquan celadon plum green glaze again, burn till at 1280 DEG C of temperature of reducing atmosphere, insulation 3h, heat treated heating rate is 2 DEG C/min, obtain into that porcelain intensity is high, bending and compressive strength is good, and texture is natural, texture is soft, third dimension is strong, have natural pea green texture, the Longquan celadon product that surface is more smooth, smooth.
The technology of the present invention advantage:
1, the present invention manufactures Longquan celadon with rare earth tailings for raw material, not only it is substantially reduced the production cost of Longquan celadon, and make full use of resource, reduce the harm to environment of the rare earth tailings, pass on rapidly the culture of the world's " non-something lost " Longquan celadon, propagate national cultural spirit, there is great economic and social benefit.Not only conform with the Strategic Demand of china natural resources regeneration, and meet the demand for development that following China construction of energy is intensive, environmental protection is social.
2, Longquan celadon prepared by the present invention becomes porcelain intensity height, (impact strength reaches 4.00KJ/m to consistency height2, rupture strength reaches more than 120Mpa, and heat stability can ensure that 200～20 DEG C of water-cooled exchanges are not once split), various model mobile phone can be met to material performance requirement.
3, manufacturing process of the present invention is simple, and cost of material low (can save more than 35%) is conducive to the production of energy-saving and emission-reduction and industrialization.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when without departing substantially from the spirit of the present invention or basic feature, it is possible to realize the present invention in other specific forms.Therefore, no matter from which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the invention rather than described above limits, it is intended that all changes in claim equivalency implication and scope included in the present invention.
In addition, it is to be understood that, although this specification is been described by according to embodiment, but not each embodiment only comprises an independent technical scheme, this narrating mode of description is only for clarity sake, description should be made as a whole by those skilled in the art, and the technical scheme in each embodiment through appropriately combined, can also form other embodiments that it will be appreciated by those skilled in the art that.
Claims (10)
1. the Longquan celadon prepared for raw material with rare earth tailings, it is characterised in that include Longquan celadon base raw material, water and additive, percentage by weight is weight percentage 50～65:35～40:1～5.
2. a kind of Longquan celadon prepared for raw material with rare earth tailings according to claim 1, it is characterized in that, the raw material weight percentage ratio respectively rare earth tailings 15～75% of blank oxide in described Longquan celadon base raw material, quartz 30～65%, calcined oxide aluminium powder 10～30%, calcined kaolin powder 15～30%, kaolin powder 30～50%, feldspar in powder 2～10%, calcium oxide 1～3%, Zijin soil 1～8%；In Longquan celadon blank, additive consist of binding agent 2～7%, mould agent 5～15%, lubricant 21～25%, dispersant 1～5%.
3. a kind of Longquan celadon prepared for raw material with rare earth tailings according to claim 2, it is characterised in that described rare earth tailings chemical composition contains SiO250～85%, Al2O35～20%, Fe2O31.5～3.5%, K2O0.6～2.5%, Na2O0.2～2.0%, CaO0.1～0.3%, MgO0.1～1.0%, TiO20.1～0.5%, I.L2.0～5.0%, K2O+Na2O2～10%.
4. a kind of Longquan celadon prepared for raw material with rare earth tailings according to claim 2, it is characterised in that described binding agent be in carboxymethyl cellulose, polyvinyl alcohol, starch, glycerol one or more；Plasticizer is one or more in glycerol, acetic acid 2,2'-ethylenedioxybis(ethanol)., butyl stearate, Abalyn.；Lubricant is one or more in cellulose acetate, stearic acid, kerosene, microcrystalline wax, oleic acid；Dispersant is poly-methyl acrylamide (PMAA-NH4), ammonium chloride (NH4Cl), Polyethylene Glycol (mean molecule quantity is 10000), glycerol trioleate (GTO), one or more in Oleum Ricini (CTO).
5. a kind of Longquan celadon prepared for raw material with rare earth tailings according to claim 1, it is characterised in that the base raw material of described Longquan celadon is one or more in Huang Tanni, Pucheng mud, precious Xi Nihezhu township mud；The granularity of described Longquan celadon base raw material is below 325 mesh sieves.
6. the Longquan celadon manufacture method prepared for raw material with rare earth tailings, it is characterised in that comprise the following steps:
Base raw material and water are finely ground to all through 10000-hole sieve by S1 by mixing, and stir mixing 1～4h in batch mixer；Weigh base raw material, waterglass, sodium humate 5～8:0.3～1.0:0.45～0.65 carrying out slurry stirring mixing 3～4h by weight proportion, be subsequently adding additive and be stirred uniformly forming mud；
S2 carries out old after vacuum pugging, then repeats vacuum pugging, then is shaped；
The Longquan celadon base substrate of molding is dried by S3, after microwave drying and hot air drying, carries out biscuiting at 500～700 DEG C of temperature, is incubated 1～2h；
S4 after cooling, then execute tradition Longquan celadon green grass or young crops glaze layer 1～2mm, burn till at heat treatment temperature 1150～1300 DEG C under reducing atmosphere, heat treatment programming rate is 2～5 DEG C/min, be incubated 2～3h, it is thus achieved that a kind of be raw material with rare earth tailings Longquan celadon.
7. a kind of Longquan celadon manufacture method prepared for raw material with rare earth tailings according to claim 6, it is characterised in that in step S1: the addition of rare earth tailings is 1～5 times of celadon blank；The addition of additive is 1～3 times of celadon blank.
8. a kind of Longquan celadon manufacture method prepared for raw material with rare earth tailings according to claim 6, it is characterized in that, in step S1: described celadon batch mixtures ball milling is D10 > 0.06 μm to fineness, D90 is 0.35 ± 0.05 μm, D100 < 3 μm, and use the screen cloth of aperture≤1 μm to carry out sieving remove impurity, thus obtaining Longquan celadon blank slip.
9. a kind of Longquan celadon manufacture method prepared for raw material with rare earth tailings according to claim 6, it is characterised in that in step S2: slip fineness 325 order during slip is old；Tail over 0.3～0.6%；Slip moisture content 24～28%；Slip proportion 1.65～1.95%；Slurry flow rate 25～40 seconds.
10. a kind of Longquan celadon manufacture method prepared for raw material with rare earth tailings according to claim 6, it is characterised in that in step S4: the described Longquan celadon painted raw material of green grass or young crops glaze is Zijin soil, Fe2O3, one or more in FeO.
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| CN106478067A (en) * | 2016-10-10 | 2017-03-08 | 丽水学院 | A kind of base the Longquan celadon base substrate of raw ore complete utilization and the preparation method of glaze |
| CN107200558A (en) * | 2017-07-09 | 2017-09-26 | 福建省德化同鑫陶瓷有限公司 | The pottery technique product modelled after an antique and its manufacturing process made using magnetic iron ore tailings |
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| CN108484104A (en) * | 2018-04-04 | 2018-09-04 | 深圳市言色家居科技有限公司 | A kind of day celadon ceramic material and preparation method thereof |
| CN109956736A (en) * | 2019-04-28 | 2019-07-02 | 周德福 | In the method for ceramic paste preforms and preparation ceramics that crystal drilling waste material is prepared as raw material |
| CN118479857A (en) * | 2024-06-06 | 2024-08-13 | 江苏省宜兴彩陶工艺厂 | Blank for ceramic container and preparation method |
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Application publication date: 20160720 Assignee: SUICHANG WENCHANG CELADON FACTORY Assignor: LISHUI University Contract record no.: X2024980014957 Denomination of invention: A Longquan celadon made from rare earth tailings and its manufacturing method Granted publication date: 20210528 License type: Common License Record date: 20240912 Application publication date: 20160720 Assignee: SUICHANG CHUZHOU KILN CELADON CO.,LTD. Assignor: LISHUI University Contract record no.: X2024980014953 Denomination of invention: A Longquan celadon made from rare earth tailings and its manufacturing method Granted publication date: 20210528 License type: Common License Record date: 20240912 |
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Application publication date: 20160720 Assignee: LONGQUAN JINHONG PORCELAIN CO.,LTD. Assignor: LISHUI University Contract record no.: X2024980015394 Denomination of invention: A Longquan celadon made from rare earth tailings and its manufacturing method Granted publication date: 20210528 License type: Common License Record date: 20240918 Application publication date: 20160720 Assignee: LONGQUAN OUJIANG CELADON Co.,Ltd. Assignor: LISHUI University Contract record no.: X2024980015392 Denomination of invention: A Longquan celadon made from rare earth tailings and its manufacturing method Granted publication date: 20210528 License type: Common License Record date: 20240918 Application publication date: 20160720 Assignee: LONGQUAN YUDE CELADON Co.,Ltd. Assignor: LISHUI University Contract record no.: X2024980015391 Denomination of invention: A Longquan celadon made from rare earth tailings and its manufacturing method Granted publication date: 20210528 License type: Common License Record date: 20240918 |
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