Rotary fluid bed used to gasify and combust oil-in water emulsio

Details Rotary fluid bed used to gasify and combust oil-in water emulsio Rotary fluid bed used to gasify and combust oil-in water emulsio

1992-12-09

1994-05-03

Bennet, Henry A.

Liquid heaters and vaporizers

Miscellaneous

110226, 110246, 431168, 431170, 431 7, 431 10, 431352, 431353, F22D 100

Patent

active

053077652

ABSTRACT:
A rotary fluid bed gasifier which comprises: a rotatable drum having a circumferentially extending wall which is permeable to gases; a means for feeding a fluidizing gas through the wall into the drum; a bed of particles which, at least when the gasifier is in use, is supported on an internal face of the wall and is fluidized by the fluidizing gas; an outlet means for receiving an oil-in-water emulsion from outside the gasifier and delivering the oil-in-water emulsion to the drum; a means for introducing steam into the drum; a de-NO.sub.x boiler having a quench zone and a nitrogen fixing zone; a means for introducing secondary air disposed between the quench zone and the nitrogen fixing zone; and a means for introducing tertiary air disposed between the de-NO.sub.x boiler and a main boiler or furnace.

REFERENCES:
patent: 4039272 (1977-08-01), Elliot
patent: 4177636 (1979-12-01), Horgan
patent: 4368032 (1983-01-01), Araya et al.
patent: 5002483 (1991-03-01), Becker
patent: 5070821 (1991-12-01), Virr

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