Slag processing system for direct coal-fired gas turbines
Abstract
Direct coal-fired gas turbine systems and methods for their operation are provided by this invention. The gas turbine system includes a primary zone for burning coal in the presence of compressed air to produce hot combustion gases and debris, such as molten slag. The turbine system further includes a secondary combustion zone for the lean combustion of the hot combustion gases. The operation of the system is improved by the addition of a cyclone separator for removing debris from the hot combustion gases. The cyclone separator is disposed between the primary and secondary combustion zones and is in pressurized communication with these zones. In a novel aspect of the invention, the cyclone separator includes an integrally disposed impact separator for at least separating a portion of the molten slag from the hot combustion gases.
- Inventors:
-
- Winter Springs, FL
- Issue Date:
- Research Org.:
- Westinghouse Electric Corp., Pittsburgh, PA (United States)
- OSTI Identifier:
- 867549
- Patent Number(s):
- 4961389
- Assignee:
- Westinghouse Electric Corp. (Pittsburgh, PA)
- Patent Classifications (CPCs):
-
F - MECHANICAL ENGINEERING F02 - COMBUSTION ENGINES F02C - GAS-TURBINE PLANTS
F - MECHANICAL ENGINEERING F23 - COMBUSTION APPARATUS F23C - METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN {A CARRIER GAS OR} AIR
- DOE Contract Number:
- AC21-86MC23167
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- slag; processing; direct; coal-fired; gas; turbines; turbine; systems; methods; operation; provided; primary; zone; burning; coal; presence; compressed; air; produce; hot; combustion; gases; debris; molten; secondary; lean; improved; addition; cyclone; separator; removing; disposed; zones; pressurized; communication; novel; aspect; integrally; impact; separating; portion; coal-fired gas; secondary combustion; lean combustion; turbine systems; cyclone separator; molten slag; hot combustion; compressed air; combustion zone; gas turbine; combustion gases; combustion gas; combustion zones; gas turbines; removing debris; primary zone; direct coal-fired; slag processing; impact separator; burning coal; /110/60/
Citation Formats
Pillsbury, Paul W. Slag processing system for direct coal-fired gas turbines. United States: N. p., 1990.
Web.
Pillsbury, Paul W. Slag processing system for direct coal-fired gas turbines. United States.
Pillsbury, Paul W. Mon .
"Slag processing system for direct coal-fired gas turbines". United States. https://www.osti.gov/servlets/purl/867549.
@article{osti_867549,
title = {Slag processing system for direct coal-fired gas turbines},
author = {Pillsbury, Paul W},
abstractNote = {Direct coal-fired gas turbine systems and methods for their operation are provided by this invention. The gas turbine system includes a primary zone for burning coal in the presence of compressed air to produce hot combustion gases and debris, such as molten slag. The turbine system further includes a secondary combustion zone for the lean combustion of the hot combustion gases. The operation of the system is improved by the addition of a cyclone separator for removing debris from the hot combustion gases. The cyclone separator is disposed between the primary and secondary combustion zones and is in pressurized communication with these zones. In a novel aspect of the invention, the cyclone separator includes an integrally disposed impact separator for at least separating a portion of the molten slag from the hot combustion gases.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1990},
month = {1}
}