Monday, September 12, 2022
Sunday, September 11, 2022
减压塔塔底液位计失灵时,减压塔塔底抽出泵自启联锁旁路,出口控制阀改手动,稳定出口流量。...
Monday, October 9, 2023
炉膛置换时,烟道挡板应()。A、全关B、全开C、无所谓D、不确定...
Sunday, June 11, 2023
Saturday, December 16, 2023
以下哪项不是反应进料控制阀失灵的现象()。A、反应进料流量流量波动B、循环氢流量波动C、炉入口温度波动D、反应进料中断...
Tuesday, July 18, 2023
正常操作中应控制好加氢裂化冷高分界位,防止界位过高导致冷高分油带...
Monday, September 12, 2022
为提高换热器的传热效果,今后发展的趋势是提高换热温差。...
Sunday, September 11, 2022
Monday, September 12, 2022
Monday, April 10, 2023
Sunday, September 11, 2022
Saturday, February 11, 2023
Monday, September 12, 2022
Sunday, September 11, 2022
地面焚烧炉PLC控制系统可根据每一级设定压力的不同,自动控制每级...
Monday, September 12, 2022
装置正常停工时,将分馏塔顶回流罐残油退至()。A、常压塔B、减压塔C、地下轻污油罐D、地下重污油罐...
Sunday, August 6, 2023
Monday, September 12, 2022
Monday, September 12, 2022
Monday, September 12, 2022