循环流化床锅炉风机的高压变频改造 improvement of high-voltage frequency conversion for the blower of fluidized bed boiler.pdfVIP
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循环流化床锅炉风机的高压变频改造 improvement of high-voltage frequency conversion for the blower of fluidized bed boiler
第30卷第3期 电 站 辅 机 V01.30No.3
2009年9月Power Sep.2009
Station
AuxiliaryEquipment
文章编号:1672—0210(2009)03—0028—03
循环流化床锅炉风机的高压变频改造
张 豪,李 政
(河南天冠燃料乙醇有限公司,河南南阳437000)
摘要:在电厂用电量中,锅炉的送风机、引风机耗电量所占的比重较大,用风机高压变频技术改造可以大幅减少
厂用电量,从而降低电厂的运行成本。在某电厂应用智能高压变频调速系统,实现了一次风机、二次风机和引风机
的高压变频改造,并对采用自动工频旁路的系统控制方式、改造后取得的成效以及系统运行可靠性进行了详细阐
述。
关键词:高压;变频;循环;流化床;锅炉;可靠性;节能;改造
中图分类号:TK223.26 文献标识码:A
of ConversionfortheBlower
ImprovementHigh—voltageFrequency
Boiler
ofFluidizedBed
ZHANG
Hao,LIZheng
(Henan FuelAlcohol
Tianguan Co.,Ltd.。Nanyang,Henan,437000,China)
ofboilerblowerandinduceddraftfan takes shareofthe
Abstract:Electricityconsumption always larger power
of willbe if oftheblowerwith
ina reductionelectricityobtained
consumptionpowerplant.Significant improvement
the an
conversion is SOastoreduceCOStof
highpressurefrequency technologyapplied powerplantoperation.Here
variable is ina tOrealizationofthe
intelligenthigh—voltagefrequencyspeedregulationsystemappliedpowerplant
airfan,the airfanandtheinduceddraftfanwithvariable automatic
primary secondary frequencyimprovement.The
resultsof its
controlofthe in controlmode,the
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