科技与创新
科技與創新
과기여창신
Science and Technology & Innovation
2014年
14期
39-39,43
,共2页
PCV阀%可靠控制%误动%闭锁
PCV閥%可靠控製%誤動%閉鎖
PCV벌%가고공제%오동%폐쇄
PCV valve%reliable control%malfunction%lockout
PCV 阀可以保护大型锅炉的过热器在安全汽压下运行。为了保证 PCV 阀的可靠动作,一般会设置多种开启方式,但启用多种控制方式往往存在误动风险,因此,控制方式之间的有效互锁是保证其可靠动作的前提条件。
PCV 閥可以保護大型鍋爐的過熱器在安全汽壓下運行。為瞭保證 PCV 閥的可靠動作,一般會設置多種開啟方式,但啟用多種控製方式往往存在誤動風險,因此,控製方式之間的有效互鎖是保證其可靠動作的前提條件。
PCV 벌가이보호대형과로적과열기재안전기압하운행。위료보증 PCV 벌적가고동작,일반회설치다충개계방식,단계용다충공제방식왕왕존재오동풍험,인차,공제방식지간적유효호쇄시보증기가고동작적전제조건。
PCV valve can protect large boiler superheater steam pressure to run in a safe. To ensure reliable operation of the PCV valve, generally will set a variety of open way, but there is often a way to enable a variety of control malfunction risk, therefore, control the effective interlock between the ways is a prerequisite to ensure its reliable operation of.