Method and apparatus for injecting nox inhibiting reagent into t

Details Method and apparatus for injecting nox inhibiting reagent into t Method and apparatus for injecting nox inhibiting reagent into t

1993-06-07

1994-05-31

Tapolcai, William E.

Furnaces

Process

Treating fuel constituent or combustion product

F23J 1500

Patent

active

053159411

ABSTRACT:
An apparatus and method including a conduit with a nozzle for injecting NO.sub.x inhibiting reagent into an appropriate temperature window in the flue gas of a package, utility, or industrial type boiler to reduce emissions of NO.sub.x. A sensor mounted adjacent the nozzle to measure the flue gas temperature thereby locating the appropriate temperature window, and a controlled drive for moving the nozzle to the temperature window.

REFERENCES:
patent: 4208386 (1980-06-01), Arand et al.
patent: 4842834 (1989-06-01), Burton
patent: 4985218 (1991-01-01), DeVita
patent: 5058514 (1991-10-01), Mozes et al.
patent: 5176088 (1993-01-01), Amrhein et al.
patent: 5242295 (1993-09-01), Ho

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