B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
49/77.5
B01D 45/12 (2006.01) B01J 8/44 (2006.01) C10J 3/84 (2006.01) F23J 15/02 (2006.01) F23J 15/06 (2006.01)
Patent
CA 1241842
A B S T R A C T A PROCESS AND APPARATUS FOR COOLING AND PURIFYING A HOT GAS A process for cooling and purifying a hot gas containing slag particles comprises the following steps: a) the velocity of the gas mixture is reduced m a heat exchanger, b) the flow of the gas mixture having a reduced velocity is deflected in a flow-deflection chamber arranged at the bottom end of the heat exchanger, the gas mixture being passed upwards in substantially vertical direction so that part of the slag particles falls down into a fluidized bed of slag particles, c) cold clean recycle gas is introduced through a fluidization distributor into the fluidized bed thereby cooling the slag particles and keeping at least part of the slag particles in the fluidized bed, d) the gas mixture flowing substantially vertically upwards at reduced velocity is cooled by indirect exhange of heat, while a further quantity of slag particles falls down into the fluidized bed, e) the cooled slag particles are discharged from the bottom of the fluidized bed through a discharge pipe. An apparatus for carrying out the above process.
451859
Stil Jacob H.
Turner Louis H. III
Shell Canada Limited
Smart & Biggar
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