Title:
PROCESS AND PLANT FOR THE HEAT TREATMENT OF SOLIDS CONTAINING TITANIUM
Document Type and Number:
WIPO Patent Application WO2005026397
Kind Code:
A3
Abstract:
This invention relates to a process and a plant for the heat treatment of solids containing titanium. For this purpose, the fine-grained solids are heated to a temperature of 700 to 1000 °C in a reactor (4) with circulating fluidized bed and are partly discharged from the reactor (4) together with waste gases into a downstream separator (9). In the same, the solids are separated from the waste gases and are recirculated to the reactor (4) at least partly and/or phase by phase. Downstream of the reactor (4) and/or the separator (9) an injection cooler (13) is provided, in which the solids are cooled to below 250 °C by injecting a coolant. Downstream of the injection cooler (13) a fluidized-bed cooler (16) can be provided for the further cooling of the solids.
Inventors:
STOCKHAUSEN WERNER (DE)
BEYZAVI ALI-NAGHI (DE)
NUBER DIRK (DE)
BEYZAVI ALI-NAGHI (DE)
NUBER DIRK (DE)
Application Number:
PCT/EP2004/010276
Publication Date:
July 21, 2005
Filing Date:
September 15, 2004
Export Citation:
Assignee:
OUTOKUMPU OY (FI)
STOCKHAUSEN WERNER (DE)
BEYZAVI ALI-NAGHI (DE)
NUBER DIRK (DE)
STOCKHAUSEN WERNER (DE)
BEYZAVI ALI-NAGHI (DE)
NUBER DIRK (DE)
International Classes:
B01J8/00; B01J8/18; B01J8/38; C01G23/00; C22B1/10; C22B34/12; (IPC1-7): C22B1/10; C01G23/00
Foreign References:
| US4076796A | 1978-02-28 | |||
| US5714113A | 1998-02-03 | |||
| GB1312765A | 1973-04-04 |
Other References:
DATABASE INSPEC THE INSTITUTION OF ELECTRICAL ENGINEERS, STEVENAGE, GB; 26 July 2002 (2002-07-26), SUNG WON KIM, JUNG YEUL AHN, SANG DONE KIM, DONG HYUN LEE: "Heat transfer and bubble characteristics in a fluidized bed with immersed horizontal tube bundle", XP008047046
Download PDF: