Apparatus for gasifying or combusting solid carbonaceous

Details Apparatus for gasifying or combusting solid carbonaceous Apparatus for gasifying or combusting solid carbonaceous

1990-01-11

1992-10-13

Kratz, Peter

Gas: heating and illuminating

Generators

Cupola

48 63, 48 77, 110245, 122 4D, C10J 356

Patent

active

051547325

ABSTRACT:
A method and apparatus for gasifying or combusting solid, carbonaceous material a circulating fluidized bed reactor. Particles are separated from the product gas at least in two stages so that in the first stage, mainly coarser, so-called circulating particles are separted and returned to the reactor. In the second stage, fine carbonaceous particulates are separated from the gas and are made to agglomerate at a raised temperature. Coarser particles thus received are returned to the reactor through a return duct together with circulating particles. Adhesion of agglomerating particles to the walls of the duct is prevented preferably by leading hot particulates to the center of the duct and circulating particles to the walls of the duct.

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