Abstract
Increasing the humidity of combustion air to at least 16 lb of water per 1000 lb of dry air has been found to reduce greatly fireside-deposit troubles in stoker-fired steam generators at the Delray Plant of The Detroit Edison Company. It is believed that by keeping the heating surfaces cleaner than normal, humidification will improve average boiler efficiency sufficiently to compensate thermally for the water added to the combustion air, leaving a pronounced gain in availability and lower maintenance. Humidification appears to decrease volatilization from the fuel bed, particularly of silicon compounds.
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Research Papers
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