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Proceedings of Symposium on Energy Engineering in the 21st Century (SEE2000) Volume I-IV

ISBN Druckformat: 1-56700-132-7



There are at present around 1,000 MS3002 General Electric gas-turbine units in servi e all over the world though the environmental characteristics of these machines, in particular, NOx emissions, do not meet the current environmental norms. A relatively inexpensive and simple combustor update has been carried out, the salient features thereof are increased flow of air supplied to the primary zone, its accurate dosing and strict orientation of the air jets to be supplied into maximum temperature zones. The full-scale combustor model tests were carried out in the NPP "EST" test bed in Russia. The trial-commercial tests of the combustor as a part of a FRAME-3 unit were accomplished at an enterprize of the Ruhrgas in Germany. It has been operated over one year. The completed complex of tests demonstrated that the NOx emissions from the updated combustor are 1.6 time below that from a standard one and do not exceed 150 mg/Nm3 (converted to 15% O2 concentration) at all unit operating conditions. The CO emissions, at the same time, at GPU rating do not exceed 50 mg/Nm3, while within the 70 to 100% load range of the turbounit rated output, the CO emissions are below the level of 100 mg/Nm3.
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