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ration ? Subcritical PC Units ? LargeScale CFB ? PCSC,USC ? IGCC ? Coal Drying 中國(guó)電力工程顧問集團(tuán)公司 China Power Engineering Consulting Group Corporation 12 ? The total brown coal generation capacity (unit capacity 200MW) is about 13GW. ? Most are Subcritical pulverized coal units. Subcritical PC Units 中國(guó)電力工程顧問集團(tuán)公司 China Power Engineering Consulting Group Corporation 13 ? The First imported 300MW brown coal PC units had been put in service in 1978 (yuanbaoshan power plant unit 1). ? The First imported 600MW brown coal PC units had been put in service in 1985 (yuanbaoshan power plant unit 2). ? The First Localized 300MW brown coal PC units had been put in service in 1994 (shuangliao power plant unit 1). ? The First Localized 600MW brown coal PC units had been put in service in 1998 (yuanbaoshan power plant unit 3). Subcritical PC Units 中國(guó)電力工程顧問集團(tuán)公司 China Power Engineering Consulting Group Corporation 14 Two type of coal pulverizing system. ? Fan mill system. ? Mediumspeed mill system. Most power plant’s pulverizing system are fan mill system Subcritical PC Units 中國(guó)電力工程顧問集團(tuán)公司 China Power Engineering Consulting Group Corporation 15 The selection of system depends on the brown coal surface m