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METHOD FOR CALCINING CARBONATED MINERAL STONES IN A PARALLEL FLOW REGENERATIVE KILN AND IMPLEMENTED KILN
Parallel flow regenerative kiln, comprising at least two shafts (1,2) interconnected by a crossover channel (4) wherein each shaft comprises means for injecting a heated gas (6) inside the shaft (1) in calcination working at the top of the calcination zone (B) and means for removing (21, 23) from the kiln the cooling air which has been heated in contact with the calcined material, at a level lower than the crossover channel (4), the kiln further comprising an external recirculation circuit (17) which comprises a separation body (16) for taking off a fraction of gaseous effluent from a removal duct (13), a heating device (19) able to heat a gas which is connected with said separation body (16) and arranged for heating said fraction of gaseous effluent, and said means for injecting a heated gas (6) inside the shaft (1) in calcination working, which are connected to the heating device (19) and inject said heated fraction of gaseous effluent at a temperature equal or higher than the temperature of calcination of the loaded mineral stones and method implemented in such a kiln.
METHOD FOR CALCINING CARBONATED MINERAL STONES IN A PARALLEL FLOW REGENERATIVE KILN AND IMPLEMENTED KILN
Parallel flow regenerative kiln, comprising at least two shafts (1,2) interconnected by a crossover channel (4) wherein each shaft comprises means for injecting a heated gas (6) inside the shaft (1) in calcination working at the top of the calcination zone (B) and means for removing (21, 23) from the kiln the cooling air which has been heated in contact with the calcined material, at a level lower than the crossover channel (4), the kiln further comprising an external recirculation circuit (17) which comprises a separation body (16) for taking off a fraction of gaseous effluent from a removal duct (13), a heating device (19) able to heat a gas which is connected with said separation body (16) and arranged for heating said fraction of gaseous effluent, and said means for injecting a heated gas (6) inside the shaft (1) in calcination working, which are connected to the heating device (19) and inject said heated fraction of gaseous effluent at a temperature equal or higher than the temperature of calcination of the loaded mineral stones and method implemented in such a kiln.
METHOD FOR CALCINING CARBONATED MINERAL STONES IN A PARALLEL FLOW REGENERATIVE KILN AND IMPLEMENTED KILN
VERFAHREN ZUM KALZINIEREN VON KARBONISIERTEN MINERALSTEINEN IN EINEM REGENERATIVEN OFEN MIT PARALLELEM FLUSS UND IMPLEMENTIERTER OFEN
PROCÉDÉ DE CALCINATION DE PIERRES MINÉRALES CARBONATÉES DANS UN FOUR À RÉGÉNÉRATION À FLUX PARALLÈLE ET FOUR MIS EN OEUVRE
VAN CANTFORT OLIVIER (Autor:in) / CLOAREC TRISTAN (Autor:in)
03.07.2024
Patent
Elektronische Ressource
Englisch
IPC:
F27B
Industrieöfen, Schachtöfen, Brennöfen, Retorten allgemein
,
FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL
/
C04B
Kalk
,
LIME
/
F27D
Einzelheiten oder Zubehör für Industrieöfen, Schachtöfen, Brennöfen oder Retorten, soweit sie nicht auf eine Ofenart eingeschränkt sind
,
DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
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