2011•Industrial Instrumentation & AutomationRequires access
Sewage discharge optimal energy-saving control for steam boiler
Ren Shi
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Abstract
Presents a most energy-saving boiler blowdown control method,the first steam flow according to a certain percentage of the sewage flow control,continuous dilution of the boiler water,and then configure the conductivity of closed-loop control circuit,to overcome the fluctuations in water salinity and the bottom discharge and other interference,combination of both,the composition of the feed-forward-feedback composite control system,the boiler water salinity stable at the maximum allowed limit.With minimal emissions,maximum energy saving effect.