摘要
在一台双进双出磨煤机上进行了降低磨煤电耗的试验,研究了旁路风量、钢球加载量、钢球分配比例及料位等因素对磨煤电耗的影响。试验表明:磨煤电耗随旁路风量的增加而逐渐升高,从旁路风量为10 t/h时的18 kW h/t上升到26 t/h时的18.24 kW h/t;磨煤电耗随钢球加载量的增加呈先降低后升高的趋势,钢球加载量在54 t时磨煤电耗最低;磨煤电耗随料位的增加而逐渐降低,从400 mm料位时的17.44 kW h/t下降到600 mm时的16.45 kW h/t。在所有影响因素中,钢球加载量对磨煤电耗的影响起决定性作用,但钢球比例和料位对磨煤电耗的影响也不可忽视。
On a dual inlet and outlet coal mill,an experiment for reducing the coal milling power consumption was performed and the influence of the bypass air quantity,steel ball load,steel ball distribution proportion and material level etc.factors on the coal milling power consumption was studied.The test results show that the coal milling power consumption gradually increases with an increase of the bypass air quantity,rising from 18 kW.h/t at a bypass air quantity of 10 t/h to 18.24 kW.h/t at a bypass air quantity of 26 t/h.The coal milling power consumption will first decrease and then increase with an increase of the steel ball load.When the steel ball load is 54 t/h,the power consumption will be minimized.It will gradually decrease with an increase of the material level,lowering from 17.44 kW.h/t at a material level of 400 mm to 16.45 kW.h/t at a material level of 600 mm.Among all the influencing factors,the steel ball load will play a decisive role in influencing the coal milling power consumption,the influence of the steel ball proportion and material level,however,can not be ignored.
出处
《热能动力工程》
CAS
CSCD
北大核心
2011年第3期354-357,377,共4页
Journal of Engineering for Thermal Energy and Power
关键词
双进双出磨煤机
磨煤电耗
钢球
dual inlet and outlet coal mill,coal mill power consumption,steel ball
