C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 7/43 (2006.01) B01J 6/00 (2006.01) C04B 20/04 (2006.01) E01C 21/02 (2006.01) F27B 15/00 (2006.01)
Patent
CA 2292744
The invention concerns an installation for quick thermal treatment of suspended powder substances, in particular for flash calcining of mineral substances. Said installation comprises modules (M1, M2, M3) advantageously arranged in mobile units including means supplying powder substances, a combustion chamber (21) wherein the substances are introduced suspended in a hot air flux and a cooling assembly (M3) where the calcined substances are recuperated to pre-heat the combustion air. The substances are pneumatically transported in the heated air downstream of the supplying means, via a pre-heating device (17) up to the combustion chamber (21).
L'invention concerne une installation permettant de réaliser un traitement thermique rapide de matières pulvérulentes en suspension, en particulier une calcination flash de matières minérales. Cette installation comprend des modules (M1, M2, M3) avantageusement agencés en unités mobiles qui comprennent des moyens d'alimentation en matières pulvérulentes, une chambre de combustion (21) dans laquelle les matières sont introduites en suspension dans un flux d'air chaud et un ensemble de refroidissement (M3) où la chaleur des matières calcinées est récupérée pour préchauffer l'air de combustion. Les matières sont pneumatiquement transportées dans l'air réchauffé en aval des moyens d'alimentation, via un dispositif de préchauffage (17) jusqu'à la chambre de combustion (21).
Pons Olivier
Raynaud Gilbert
Salvador Sylvain
Valmalette Pierre
Demeter Technologies
Mcfadden Fincham
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