Patent ID: 6012917
Filing Date: 2000-01-11
Classification: F23C,F23G

Abstract:
A ground flare stack for incinerating waste gases, the stack having a lower tubular portion and an upper tubular exhaust portion, comprising:(a) a tubular burn chamber located intermediate the lower and upper portions and having combustion air intakes located below the burn chamber,(b) one or more pairs of waste gas inlet ports and closure ports, the inlet and closure port of each pair being located on opposing sides of the burn chamber,(c) a service access port located in the stack at an elevation equal to or below the waste gas inlet ports;(d) two or more or more burner assemblies fitted within the burn chamber between the inlet and closure ports, the burner assemblies accepting waste gases from the inlet port and discharging waste gases into the burn chamber for mixing with the combustion air, each assembly being capable of having its waste gas blocked thereto and being individually removable from the stack while the other assembly or assemblies continue to discharge waste gas into the stack.