![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
[多选题]
高压闪蒸液位调节阀阀卡,关于在线换阀的操作正确的是()
A.气化炉减负荷
B.气化炉退气降压
C.气化炉黑水切换进真闪
D.洗涤塔黑水切换进真闪
E.高压闪蒸用低压氮气置换
![](https://static.youtibao.com/asksite/comm/h5/images/m_q_a.png)
ABCE
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.气化炉减负荷
B.气化炉退气降压
C.气化炉黑水切换进真闪
D.洗涤塔黑水切换进真闪
E.高压闪蒸用低压氮气置换
ABCE
A.投用前,内操在确认行程正常后需全关调节阀
B.投用前,外操应缓慢将调节阀的上游阀全开,并由内操确认流量无变化
C.外操快速关调节阀的副线阀,同时内操根据流量的变化快速打开调节阀
D.内操调整流量正常后调节阀才可投自动