发明名称 |
APPARATUS FOR PRODUCTION OF SILICON NIHIDE POWDER |
摘要 |
An appts. for producing a silicon nitride powder by reacting a mixt. of silicon dioxide powder and carbon powder with a nitrogen gas in a fluid reactor includes a graphite fluid reaction pipe forming a reaction member comprising a main body and a cover, a graphite shaft turning the reaction pipe round and an alumina pipe having a larger inside diameter than an outside diameter of the reaction pipe.
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申请公布号 |
KR900006454(B1) |
申请公布日期 |
1990.08.31 |
申请号 |
KR19870015101 |
申请日期 |
1987.12.28 |
申请人 |
POHANG IRON & STEEL CO., LTD.;KOREA INDUSTRIAL TECHNOLOGY INSTITUTE |
发明人 |
LEE KANG-HO;PARK BYUNG-HAK;CHANG JAE-HA |
分类号 |
C01B21/068;(IPC1-7):C01B21/068 |
主分类号 |
C01B21/068 |
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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