Invention Application
- Patent Title: PROCESS AND PLANT FOR THE HEAT TREATMENT OF FINE-GRAINED MINERAL SOLIDS
- Patent Title (中): 精细矿物固体热处理工艺和设备
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Application No.: PCT/EP2009/002860Application Date: 2009-04-20
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Publication No.: WO2009129977A1Publication Date: 2009-10-29
- Inventor: GASAFI, Edgar , SCHNEIDER, Günter , MISSALLA, Michael
- Applicant: OUTOTEC OYJ , GASAFI, Edgar , SCHNEIDER, Günter , MISSALLA, Michael
- Applicant Address: Riihitontuntie 7 FIN-02200 Espoo FI
- Assignee: OUTOTEC OYJ,GASAFI, Edgar,SCHNEIDER, Günter,MISSALLA, Michael
- Current Assignee: OUTOTEC OYJ,GASAFI, Edgar,SCHNEIDER, Günter,MISSALLA, Michael
- Current Assignee Address: Riihitontuntie 7 FIN-02200 Espoo FI
- Agency: KEIL & SCHAAFHAUSEN
- Priority: DE10 20080424
- Main IPC: B01J6/00
- IPC: B01J6/00 ; C04B11/00 ; C04B33/32
Abstract:
In the heat treatment of fine-grained mineral solids, in particular for calcining clay or gypsum, the solids are passed through a flash reactor (5), in which they are contacted with hot gases at a temperature of 450 to 1500°C, and subsequently they are passed through a residence time reactor (7) at a temperature of 550 to 800°C, from which they are withdrawn after a residence time of 1 to 600 minutes and possibly supplied to a further treatment stage.
Information query
