YANG Guiying, LIU Feng, LIU Guangcai. VARIABLE-FREQUENCY RETROFIT OF SPEED-REGULATING CONTROL SYSTEM FOR PULVERIZED COAL FEEDER OF BOILER NO.1 IN MINE-MOUTH POWER PLANT OF PINGMEI GROUP[J]. Thermal power generation, 2005, (1): 43-44.
DOI:
YANG Guiying, LIU Feng, LIU Guangcai. VARIABLE-FREQUENCY RETROFIT OF SPEED-REGULATING CONTROL SYSTEM FOR PULVERIZED COAL FEEDER OF BOILER NO.1 IN MINE-MOUTH POWER PLANT OF PINGMEI GROUP[J]. Thermal power generation, 2005, (1): 43-44. DOI: 10.19666/j.rlfd.2005.01.014.
VARIABLE-FREQUENCY RETROFIT OF SPEED-REGULATING CONTROL SYSTEM FOR PULVERIZED COAL FEEDER OF BOILER NO.1 IN MINE-MOUTH POWER PLANT OF PINGMEI GROUP
摘要
平煤集团坑口电厂 1号炉给粉机调速系统由原来的滑差控制改为变频控制
取得了良好的效果 :(1)调速性能良好
给粉系统安全稳定 ;(2 )节能显著 ;(3)运行水平提高
劳动强度降低
Abstract
The speedregulating system of pulverizedcoal feeder to boiler No.1 in minemouth power plant of Pingmei Group has been retrofitted from original slip control to variable frequency control
obtaining good results:(1)speedregulating performance to be upgraded
pulverizedcoal feeding system being safe and stable in operation; (2)the amount of pulverizedcoal feeding to the boiler to be controlled by variable frequency mode
reducing coal consumpsion; (3)energysaving to be obvious; (4)operatin level to be enhanced