Preparation technique of black sand pottery
A preparation process, technology of black sand, applied to clay products, other household utensils, household utensils, etc., can solve the problems of internal roughness, fragility, and short service life, etc., and achieve beautiful appearance, long service life and good application effect Effect
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Embodiment 1
[0021] Example 1 of the present invention: the preparation process of black sand pottery, calculated in parts by weight, first dry 60 parts of clay at 250 ° C, dry until the pulverized clay is powdery, and stir the pulverized clay with water Rinse and settle through flow slurry, take the precipitated pure and fine material for later use (this step is called pulp washing); dry 20 parts of black sand mud at 250 °C until the crushed black sand mud is powdery; 1 part black iron ore is dried at 400°C until the crushed black iron ore is powdery, and the crushed black iron ore is washed for later use; 10 parts of clean coal are boiled in boiling water under normal pressure and heated for 1.5 hour, then it is dried at 100°C until the pulverized clean coal becomes powdery, and the pulverized clean coal is washed for later use; the above materials are mixed and stirred evenly to obtain a mixed material A; the mixture Material A is drawn to obtain green body B; green body B is drawn and ...
Embodiment 2
[0022] Example 2 of the present invention: the preparation process of black sand pottery, calculated in parts by weight, first dry 50 parts of clay at 200°C until the pulverized clay is powdery, and wash the pulverized clay for later use ; 25 parts of black sand mud are dried at 300°C until the pulverized black sand mud is powdery; 4 parts of black iron ore are dried at 300°C until the pulverized black iron ore is powdery. The pulverized black iron ore is washed for standby; 12 parts of clean coal are placed in boiling water under normal pressure and heated for 2 hours, the heated clean coal is pulverized, and the pulverized clean coal is washed for standby; the above materials are Mix and stir evenly to obtain a mixed material A; trim the mixed material A to obtain a green body B; draw and process the green body B to obtain a green body C; place the green body C at room temperature for more than 2 days , to obtain the green body D; the green body D was sintered at 1000 ° C fo...
Embodiment 3
[0023] Example 3 of the present invention: the preparation process of black sand pottery, calculated in parts by weight, first dry 70 parts of clay at 300°C until the pulverized clay is powdery, wash the pulverized clay for later use ; 15 parts of black sand mud are dried at 200°C until the pulverized black sand mud is powdery; 6 parts of black iron ore are dried at 500°C until the pulverized black iron ore is powdery. The pulverized ferrous ore is subjected to precipitation treatment and pulp washing for subsequent use; 8 parts of clean coal are placed in boiling water under normal pressure and heated for 1 hour, the heated clean coal is pulverized, and the pulverized clean coal is washed for subsequent use; The above materials are mixed and stirred evenly to obtain a mixed material A; the mixed material A is drawn to obtain a green body B; the green body B is engraved to obtain a green body C; the green body C is placed at room temperature for 2 After more than 1 day, the gr...
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