发明名称 |
FILTRO CERAMICO, PROCEDIMENTO PER LA SUA FABBRICAZIONE, NONCHE'IMPIEGO DEL FILTRO. |
摘要 |
A ceramic filter having a porous structure with open alveoli, based on aluminum oxide or other highly refractory substances, particularly with a high content of alumina, is used to filter, respectively to purify molten metals of which the casting temperature is higher than 1000<o>C, particularly molten pig iron, during the casting in sand molds or chills. The flow speed through the filter is 200-5000 cm<3> of molten material per cm<2> of surface area of the filter per minute. The manufacturing of the ceramic filter usable as a disposable article is effected by means of a monoaluminum phosphate binder. |
申请公布号 |
IT8220410(D0) |
申请公布日期 |
1982.03.26 |
申请号 |
IT19820020410 |
申请日期 |
1982.03.26 |
申请人 |
GEORG FISCHER AKTIENGESELLSCHAFT |
发明人 |
FRANZ HOFMANN;HANS GUENTER TRAPP;ROLF RIETZSCHER;JUERGEN OTTO;WOLFGANG KAETTLITZ;GERD TRINKL |
分类号 |
B01D39/20;B22C9/08;B22D1/00;C04B38/06;C22B9/02;C22B21/06;(IPC1-7):B01D/ |
主分类号 |
B01D39/20 |
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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