B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
110/15, 23/370
B01J 8/24 (2006.01) B01J 8/28 (2006.01) B01J 8/32 (2006.01) B01J 8/38 (2006.01) F23C 10/00 (2006.01) F23C 10/08 (2006.01)
Patent
CA 1261593
Fluidized Bed Reactor and Process for the Operation of a Fluidized Bed Reactor. ABSTRACT A process for the operation of a circulating fluidized bed re- actor is described by which a solid particle material comprising a solid reactant material in particular carbonaceous fuel is introduced into the lower part of the reactor and is formed to a fast bed by means of a fluidization gas containing a gaseous reactant material in particular oxygen introduced into the reactor bottom, while non- reacted particles are removed from the reactor top and recirculated to the bed. By removing a predetermined fraction of the solid particle ma- terial being present in the reactor from at least one site positioned below the reactor top subjecting it to thermal treatment and recir- culating it to at least one other lower positioned site of the bed enhanced possibilities for process optimalization are achieved. Furthermore a fluidized bed reactor is described comprising a vertical reactor chamber (1) a first inlet (9) in the lower part (2) of the reactor chamber for introduction of solid particle material and a second inlet (22) in the bottom of the reactor chamber for introduction of fluidization gas and an outlet conduit (28) in the upper part (4) of the reactor chamber for removal of reactor mate- rial. Such a reactor may be used for performing the described pro- cess when at least one further outlet conduit (5, 3a, 3b, 4) for solid particle material is provided between the first inlet (9) for solid particle material and the outlet conduit (28) for reactor mate- rial which outlet conduit (5, 3a, 3b, 4) via cooling or heating members (21) leads back to the reactor as at least one further inlet for solid particle material.
511550
Clausen Jens C.
Holm Ejler L.
Aalborg Vaerft A/s
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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