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《Boiler Manufacturing》 2015-01
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Operation Optimization Analysis of Induced Draft Fan and Booster Fan

Gao Xiaochun;Zhao Hang;Luo Hong;Liu Haibin;Zhuang Wenjun;Guangdong Guohua Yudean Taishan Power Generation Co. ,Ltd;School of Energy and Power Engineering,North China Electric Power University;  
Basing on the characteristic curve for the induced draft fan and booster fan on the actual operation,the paper studied the desulfurization system of a 300 MW coal- fired units,and established the model of operation characteristics and power consumption,and then used MATLAB to write calculation program,the total power consumption and fan efficiency and single electric power of the fan running were calculated by using the model for the typical load conditions and the different combinations of the fan running and the different inlet static pressure of the booster fan. The results showed that when running on the 50% load condition,the use of "two induced draft fan"is the first best way,the mode of "an induced draft fan and a booster fan"is the second best way,and inlet static pressure value of the booster fan should be set at the range of less than 210 Pa. The smaller,the better operating economy is.
【CateGory Index】: TK223.26
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