Overview of Slagging Coal Combustor Systems as Applied to Army Central Heat Plants
CONSTRUCTION ENGINEERING RESEARCH LAB (ARMY) CHAMPAIGN IL
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The U.S. Army is interested in increasing its consumption of coal because coal is the most reliable domestic source of energy. Research is being done on methods of retrofitting oil-andor gas-fired boilers to coal and on new environmentally sound methods of coal combustion. To evaluate these methods, researchers conducted an extensive literature search and industry survey on the slagging coal combustor SCC as it pertains to Army boilers. An evaluation of the commercial readiness and an assessment of the economic feasibility of retrofit were performed. It was determined that the SCC is not ready for implementation on Army-sized boilers due to both technical infeasibility and economic impracticality. No SCC developer has simultaneously achieved ash slag capture, carbon conversion, nitrogen oxide and sulphur oxide reductions, and turndown. It is recommended that the Army continue its investigation of this technology for future development.
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