This paper discusses the design, startup and operation of four rebuilt and redesigned 250 TPD MSW combustion trains located at the McKay Bay Waste to Energy Facility in Tampa Florida. Each independent MSW train consists of a new steam generator, reciprocating grate stoker, ash handling and air pollution control system. The new steam generators are built on the footprint of the original units, which were removed in their entirety leaving only the lower foundation steel. The refurbishment was accomplished in two stages to permit the facility to remain in operation. The new steam generators are designed to minimize fouling, maximize the amount of operating time between cleaning cycles and maintain steam temperature. Evaluation of startup and operating data demonstrates that the units exceed their planned operating time between cleaning cycles and will provide consistent reliable performance over the service life of the facility.

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