A kind of Longquan celadon prepared from rare earth tailings and its manufacturing method
A technology of rare earth tailings and a manufacturing method, which is applied in the field of Longquan celadon, can solve the problems of insufficient strength and color strength of celadon, high cost of raw materials, hindering the popularization and application of Longquan celadon, etc., and achieves good suspension and dispersion and strong three-dimensional effect. , the effect of improving resource utilization
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Embodiment 1
[0023] S1 is calculated by weight, and the oxide components of the Longquan celadon blank are prepared as follows: 45% of rare earth tailings, 55% of quartz, 10% of calcined alumina powder, 25% of calcined kaolin powder, 15% of kaolin powder, 3% of potassium feldspar powder, Calcium oxide 0.4%, purple gold soil 4%. Among them, the chemical composition content of rare earth tailings is: SiO 2 65.56%, Al 2 o 3 24.57%, Fe 2 o 3 1.7%, K 2 O1.0%, Na 2 O 0.3%, CaO 0.1%, MgO 1.2%, TiO 2 0.2%, I.L. 3.0%.
[0024] S2 In terms of weight percentage, the weight percentage of raw materials, water and additives for Longquan celadon porcelain body is 54:41:5. Wherein, based on the green body blank formula, the binder carboxymethyl cellulose is 12%, the plasticizer glycerin is 15%, the lubricant cellulose acetate is 25%, and the dispersant PMAA-NH 4 1%. After mixing raw materials, water and additives for billet evenly, put them in a ball mill and ball mill until D10>0.06μm, D90 ...
Embodiment 2
[0028] S1 is calculated by weight, and the oxide components of preparing Longquan celadon blank are as follows: 50% of rare earth tailings, 50% of quartz, 20% of calcined alumina powder, 30% of calcined kaolin powder, 10% of kaolin powder, 4% of potassium feldspar powder, Calcium oxide 0.5%, purple gold clay 5%. Among them, the chemical composition content of rare earth tailings is: SiO 2 67.89%, Al 2 o 3 27.78%, Fe 2 o 3 1.5%, K 2 O1.1%, Na 2 O 0.4%, CaO 0.2%, MgO 1.0%, TiO 2 0.2%, I.L. 3.5%.
[0029] S2 In terms of weight percentage, the weight percentage of raw materials, water and additives for Longquan celadon porcelain blank is 62:35:3. Wherein, based on the formula of the green body, the composition of the additive is 10% of the binder polyvinyl alcohol, 13% of the plasticizer triethylene glycol acetate, 21% of the lubricant cellulose acetate, and 21% of the dispersant polyethylene glycol. 1%. After mixing raw materials, water and additives for billet even...
Embodiment 3
[0033] S1 In parts by weight, the oxide components of Longquan celadon blank are prepared as follows: 52% of rare earth tailings, 56% of quartz, 25% of calcined alumina powder, 34% of calcined kaolin powder, 16% of kaolin powder, 5% of potassium feldspar powder, Calcium oxide 0.7%, purple gold clay 4%. Among them, the chemical composition content of rare earth tailings is: SiO 2 68.97%, Al 2 o 3 29.39%, Fe 2 o 3 2.3%, K 2 O1.4%, Na 2 O 0.2%, CaO 0.3%, MgO 1.0%, TiO 2 0.1%, I.L. 4.5%.
[0034] S2 In terms of weight percentage, the weight percentage of raw materials, water and additives for Longquan celadon porcelain body is 61:35:4. Wherein, based on the green body blank formula, the additives consist of 6.5% of binder starch, 11% of plasticizer glycerin, 23% of lubricant cellulose acetate, and 2% of dispersant GTO. After mixing raw materials, water and additives for billet evenly, put them in a ball mill and ball mill until D10>0.06μm, D90 is 0.35±0.05μm, and D100...
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