变频调速技术在常减压装置上的应用大庆石油化工总厂炼油厂王兴，刘志，杨斌目前机泵管路及工艺参数控制的现场应用实际情况是，一般机泵所耗功率中，被工艺物流吸收作有用功功率，满足工艺过程需要的仅占３０％～４０％。而对于定速泵，其６０％～７０％电能消耗于调节阀... The application of frequency control technology in the atmospheric and vacuum distillation unit Daqing Petrochemical Plant Refinery Wang Xing, Liu Zhi, Yang Bin At present, the pump application of pump and process parameters of the actual situation is that the general power consumption of the pump, Be absorbed by the craft logistics for useful work, to meet the needs of the process only 30% to 40%. For constant speed pump, 60% ~ 70% of the power consumption in the control valve ...