Pressurized wet combustion at increased temperature

Details Pressurized wet combustion at increased temperature Pressurized wet combustion at increased temperature

1991-09-20

1993-11-16

Husar, Stephen F.

Power plants

Combustion products used as motive fluid

With addition of steam and/or water

60 3912, 60 39464, 110238, 122 311, F02C 700

Patent

active

052612252

ABSTRACT:
A pressurized combustion of slurries of low-cost, unbeneficiated solid fuels in the presence of steam and alkali in which sulfur oxide emissions are inherently low, emissions of nitrogen oxides controlled by the injection of a scavenging agent and emissions of particulates prevented by condensing steam on and around them. The combustion has applications to steam boilers, combined cycles and gas turbines, including steam injected (STIG) and intercooled steam injected (ISTIG) versions. Turbine blade and nozzle erosion and deposits are avoided by the effective wet separation of ash particles before reheating and expansion.

REFERENCES:
patent: 4183506 (1980-01-01), Teshima et al.
patent: 4382771 (1983-05-01), Carr
patent: 4785622 (1988-11-01), Plumley et al.
patent: 5050375 (1991-09-01), Dickinson

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