초록

The present invention also provides a low-emissions burner and pilot system for use in such process heaters and furnaces.

대표청구항 ▼

[ We claim:] [1.] A burner apparatus for burning gaseous fuel, of the type configured for use in industrial heaters, furnaces, and boilers, comprising:a burner quarl, disposed in a wall, floor or roof of an enclosure, the interior space of which is to be heated, the burner quarl having an axis and a

[ We claim:] [1.] A burner apparatus for burning gaseous fuel, of the type configured for use in industrial heaters, furnaces, and boilers, comprising:a burner quarl, disposed in a wall, floor or roof of an enclosure, the interior space of which is to be heated, the burner quarl having an axis and a bore therethrough;means for supplying a stream of mixed air and gaseous fuel through the bore of the burner quarl, substantially parallel to the axis of the burner quarl;means for supplying a stream of combustion air, substantially unmixed with gaseous fuel, into the bore of the burner quarl;means for supplying a first stream of gaseous fuel into the bore of the burner quarl;means for supplying a second stream of gaseous fuel into a combustion region disposed downstream of the burner quarl; andmeans for selectively varying the means for supplying a stream of mixed air and gaseous fuel, the means for supplying a first stream of gaseous fuel, and the means for supplying a second stream of gaseous fuel during operation of the burner apparatus to, in turn, vary the relative proportions of gaseous fuel being supplied to the means for supplying a stream of mixed air and gaseous fuel, the means for supplying a first stream of gaseous fuel, and the means for supplying a second stream of gaseous fuel to be selectively varied during the operation of the burner apparatus, in order to vary the pattern of heat flux being produced when the burner apparatus is in operation.