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Discussion on Selection of Pulverizer and Moisture of Pulverized Coal for Lignite Boilers
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作者 Zhang Yun Li Weidong +1 位作者 Xu Chuankai Zhang Jingwu 《Electricity》 2012年第4期25-30,共6页
In China,the abrasion index and the free moisture are regarded as the criteria for determining whether the medium-speed pulverizer or the fan pulverizer could be selected.Based on comprehensive studies on foreign meth... In China,the abrasion index and the free moisture are regarded as the criteria for determining whether the medium-speed pulverizer or the fan pulverizer could be selected.Based on comprehensive studies on foreign methods for choosing the pulverizing system for lignite boilers,it is suggested that the particle size of coal,the drying time,the drying temperature and the humidity should be taken into account when measuring the free moisture of lignite,and the total moisture could also be the principle for type selection of pulverizer for lignite boilers.Furthermore,the determination of pulverized-coal moisture has great influence on the running of pulverizing systems.The actual moisture of certain pulverized coals is compared with that calculated with different methods and a feasible method for determining the moisture of the pulverized coal is suggested. 展开更多
关键词 lignite boiler type selection of pulverizer moisture of pulverized coal
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