Method of leak detection in a heat exchanger combustion chamber

Details Method of leak detection in a heat exchanger combustion chamber Method of leak detection in a heat exchanger combustion chamber

F - Mech Eng,Light,Heat,Weapons

23

M

F23M 99/00 (2010.01) F23M 11/00 (2006.01) G01M 3/00 (2006.01) G01M 3/22 (2006.01) G01M 3/38 (2006.01)

Patent

CA 2221871

A method of detecting leaks in a forced air furnace heat exchanger combustion chamber wall burning a blue color flame of gas includes introducing a fine mist of a liquid fire retardant compound into the return air stream upstream from a blower forcing air across the wall of the combustion chamber. Any change in the blue color of the flame toward an orange color indicates a gas leak through the combustion chamber wall.

Cette invention concerne un procédé de détection des fuites dans la paroi de la chambre à combustion d'un échangeur thermique de générateur d'air pulsé où brûle un gaz à flamme bleue. Ledit procédé consiste à introduire une fine brume d'un composé retardateur de flamme à l'intérieur du courant de retour d'air, en amont du ventilateur envoyant de l'air pulsé à travers la paroi de la chambre à combustion. Tout changement de la couleur de la flamme virant du bleu à l'orange indique une fuite de gaz à travers la paroi de la chambre à combustion.

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