Flue gas conditioning system

Details Flue gas conditioning system Flue gas conditioning system

1991-02-15

1991-12-24

Yuen, Henry C.

Furnaces

Process

Treating fuel constituent or combustion product

110216, 55 5, 55105, F23D 100, F23J 1500

Patent

active

050742264

ABSTRACT:
A gas conditioning system for reducing the electrical resistance of finely-divided fly ash particles entrained within a flue gas stream resulting from the burning of low sulfur coal and for enhancing the removal of the fly ash particles by electrostatic precipitation wherein an acid conditioning agent, e.g., sulfuric acid, is passed through a vaporizing coil mounted within an enclosure defining a mixing chamber downstream from the coil and is vaporized by a stream of hot air passing over the coil and into the mixing chamber. The vaporized acid exits the coil and mixes with the hot air in the mixing chamber and the resulting mixture is injected into the flue gas stream so that the acid vapor can condense on the fly ash particles.

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patent: 4987839 (1991-01-01), Krigmont et al.
patent: 5002481 (1991-03-01), Forster
patent: 5015173 (1991-05-01), Fullemann et al.

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