PROCESS AND PLANT FOR THE HEAT TREATMENT OF SOLIDS CONTAINING TITANIUM

This invention relates to a process and a plant for the heat treatment of solids contain~ing 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...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	STOCKHAUSEN, WERNER, NUBER, DIRK, BEYZAVI, ALI-NAGHI
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F FERROUS OR NON-FERROUS ALLOYS INORGANIC CHEMISTRY METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS THEIR RELEVANT APPARATUS TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	This invention relates to a process and a plant for the heat treatment of solids contain~ing 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.