B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 8/26 (2006.01) B01J 8/38 (2006.01)
Patent
CA 2521651
A fluidized bed reactor, comprising a furnace, a heat exchange chamber, a substantially vertical discharge channel connected to the lower part of the heat exchange chamber for removing particulate material from the heat exchange chamber to the furnace, and a substantially vertical auxiliary channel for transferring particulate material from the heat exchange chamber to the furnace and from the furnace to the heat exchange chamber, the lower part of said auxiliary channel being provided with nozzles for fluidizing gas and with a flow conduit for connecting said auxiliary channel to the furnace and a flow conduit in the upper part for connecting said auxiliary channel to said heat exchange chamber. The furnace, heat exchange chamber, discharge channel and auxiliary channel preferably form an integrated structure having the discharge channel and the auxiliary channel adjacently arranged between the furnace and the heat exchange chamber.
L'invention concerne un réacteur à lit fluidisé, comprenant un four, une chambre d'échange thermique, un canal de décharge sensiblement vertical relié à la partie inférieure de la chambre à échange thermique afin d'éliminer la matière particulaire de la chambre d'échange thermique au four et du four à la chambre d'échange thermique, la partie inférieure de ce canal auxiliaire étant équipée de buses permettant de fluidiser du gaz, ainsi que d'une conduite reliant le canal auxiliaire au four et d'une conduite d'écoulement dans la partie supérieure afin de connecter le canal auxiliaire à la chambre d'échange thermique. Le four, la chambre d'échange thermique, le canal de décharge et le canal auxiliaire forment, de préférence, une structure unifiée dans laquelle le canal de décharge et le canal auxiliaire sont disposés l'un à côté de l'autre entre le four et la chambre d'échange thermique.
Hyppanen Timo
Kauppinen Kari V. O.
Lehtonen Pekka
Valiaho Kimmo
Vilokki Harri
Foster Wheeler Energia Oy
Gowling Lafleur Henderson Llp
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