Method of stopping combustion in restrained combustion furnace i

Details Method of stopping combustion in restrained combustion furnace i Method of stopping combustion in restrained combustion furnace i

1990-10-16

1991-09-17

Dority, Carroll B.

Furnaces

With safety means

110210, 110237, 110345, F23N 524

Patent

active

050484303

ABSTRACT:
A method of stopping combustion in a restrained combustion furnace in which wastes to be incinerated are gasified and then burnt with an air amount lower than a theoretical combustion air amount, in case of emergency, the method including steps of shutting off a combustion air supply line connected to the restrained combustion furnace, simultaneously feeding inert gas to lower portions and an outlet side of the furnace, and opening a bypass line connected to an upper portion of the furnace to flow gas in the furnace through a filter to a waste gas stack, thereby safely stopping the combustion in the restrained combustion furnace in case of emergency.

REFERENCES:
patent: 3511194 (1970-05-01), Stookey
patent: 3922974 (1975-12-01), Hempelmann
patent: 4938156 (1990-07-01), Yahata

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