Patent ID: 8104695
Filing Date: 2012-01-31
Classification: F23C,F23D,F23L,Y02E

Abstract:
1. A fuel injector for injecting fuel into a gasifier, the injector including: a mating end including a nozzle portion, the nozzle portion tapering from an outer diameter to a nozzle diameter smaller than the outer diameter, the mating end including an oxygen inlet for receiving oxygen for introduction into the gasifier; a first flange fixedly coupled to the mating end and having a first receiving hole there through and including a first diaphragm disposed therein; a fuel transmission nozzle displaced at least partially within the mating end and passing through the first receiving hole, the fuel transmission nozzle being arranged and configured such that a secondary oxygen channel exists between the fuel transmission nozzle and the mating end, the fuel transmission nozzle being fixedly coupled to the first diaphragm and further including a fuel inlet for receiving fuel for introduction into the gasifier; and a primary oxygen transmission nozzle displaced at least partially within the fuel transmission nozzle.