Preparation method for basalt ware
A technology for black pottery and green body, applied in the field of black pottery preparation, can solve the problems of difficult removal of soluble substances and affect the quality of black pottery, and achieve the effects of shortening the firing time, saving labor and saving energy.
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[0010] 1. Preliminary preparation
[0011] 1. Material selection: Select high-quality yellow clay with high density, no impurities, and no variegated colors.
[0012] 2. Drying: Drying in the sun, the dryness inside and outside of the loess is consistent and uniform.
[0013] 3. Crush: Crush the dried loess into a surface shape.
[0014] 4. Mix mud: adjust the pulverized mud into mud according to the ratio of 30% yellow clay and 70% water, filter it through a 140-mesh sieve, settle until it is moderately soft and hard, and then cool it to make the water content about 50% Backup.
[0015] 5. Vacuum mud mixing: Use a vacuum mud trainer to mix the cooled mud evenly into strips to make the structure compact and free of air bubbles.
[0016] 6. Molding: Use a molding machine to make the mud into the desired shape.
[0017] 7. One-time drying in the shade: Dry the green body in the shade in a closed room with no sunlight, no wind, until the water content is about 40%.
[0018] ...
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