发明名称 |
PLANT AND METHOD FOR RECONDITIONING GREEN FOUNDRY SAND |
摘要 |
Green sand having a residuum of retained clay is reconditioned by screening and predrying it to about zero moisture; calcining the sand to burn off organic matter; cooling the sand; mechanically scrubbing the cooled sand to free mechanically bonded clay and a portion of the clay magnetically adhered to the sand; mixing an acid/water solution with the sand to react with the remaining magnetically adhered clay to permit such clay to break free from the sand; drying the sand to release the freed clay; and extracting the thus-released clay from the sand. |
申请公布号 |
AU6123090(A) |
申请公布日期 |
1991.02.28 |
申请号 |
AU19900061230 |
申请日期 |
1990.08.22 |
申请人 |
TROMLEY INDUSTRIAL HOLDINGS, INC. |
发明人 |
NAME NOT GIVEN |
分类号 |
B22C5/00;B22C5/04;B22C5/18 |
主分类号 |
B22C5/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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