Method and arrangement for optimizing oxidation during burning o

Details Method and arrangement for optimizing oxidation during burning o Method and arrangement for optimizing oxidation during burning o

1998-10-07

2000-08-29

Lazarus, Ira S.

Combustion

Process of combustion or burner operation

Feeding flame modifying additive

431 8, 431 10, 431190, 431164, 110303, 110214, 110265, 126104R, F23J 700, F23M 304, F23L 1500

Patent

active

061099112

ABSTRACT:
A method and an arrangement for reducing emissions of nitrogen oxides in a combustion apparatus provided with a tubular furnace. The method comprises burning odor gases at first sub-stoichiometrically, and subsequently supplying additional air to the furnace (3) in the transverse direction thereof in such a manner that the final air ratio is over 1. The arrangement comprises an additional air duct (7) which extends to the furnace of the boiler and from which additional air is supplied to the furnace (3) in the transverse direction of the furnace (3).

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