B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 8/44 (2006.01) B01J 8/18 (2006.01) F23C 10/20 (2006.01) F23C 10/28 (2006.01) F26B 3/08 (2006.01) F26B 17/26 (2006.01) F27B 15/10 (2006.01) F27D 15/02 (2006.01)
Patent
CA 2227261
A bed (6; 78) of particulate material, which is supported by a gas distribution bottom (9; 75), is located utilizing a treatment gas, which via ducts (19; 35; 77) is conducted in sectionalized manner to and directed up through the gas distribution bottom and the bed of material from one or several underlying compartments (15; 76). The flow of the treatment gas through each duct (19; 35; 77) is self regulated by means of a flow regulator (21) provided in each duct. It is thereby obtained that the total pressure loss across the gas distribution bottom can be reduced, that the flow of the treatment gas through the material bed is distributed in a desirable and well-defined manner across the entire gas distribution bottom regardless of the composition of the material bed and the distribution thereon, and that tunnel formations are avoided.
Ce lit (6; 78) de matériau particulaire, soutenu par un fond (9; 75) de distribution de gaz, est placé à l'aide d'un gaz de traitement, lequel est conduit, via des canalisations (19; 35; 77) et de manière sectionnée, vers le fond de répartition et le lit de matériau, et dirigé vers le haut à travers ce fond et ce lit, à partir d'un ou de plusieurs compartiments (15; 76) sous-jacents. Le flux du gaz de traitement à travers chaque canalisation (19; 35; 77) est autorégulé à l'aide d'un régulateur (21) correspondant monté dans chaque canalisation. Grâce à ce procédé, on réduit la perte de pression totale à travers le fond de distribution du gaz, on assure, sur tout le fond, une distribution voulue et bien déterminée du gaz de traitement traversant le lit de matériau, quelles que soient la composition du lit de matériau et la distribution sur celui-ci, et on évite les formations de tunnels.
Fons Mogens Juhl
Touborg Jorn
Borden Ladner Gervais Llp
F.l. Smidth & Co. A/s
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