Saturday, September 10, 2022
Friday, September 16, 2022
问题:转化炉管压降测量器具的使用方法是用皮碗压入炉管内,控稳节流孔板前...
Saturday, September 10, 2022
问题:转化催化剂还原时,如果还原剂量控制不好,会引起严重的超温后果。...
Friday, September 16, 2022
Saturday, September 10, 2022
Saturday, September 10, 2022
问题:当转化催化剂发生结碳现象时,下列哪种做法对烧炭不利()A、增大水碳比B、配入一定还原气C、降低负荷D、增加负荷...
Monday, January 8, 2024
Friday, September 16, 2022
问题:转化炉在日常生产中,水碳比大幅波动会导致()。A、转化率不稳定B、转化率下降C、炉温上升D、炉温下降...
Tuesday, May 23, 2023
问题:对工作不负责任,不严格执行各项规章制度,违反劳动纪律造成事故的主...
Saturday, September 10, 2022
Saturday, September 10, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Saturday, September 10, 2022
Friday, September 16, 2022
Friday, September 16, 2022
问题:转化、中变进料工艺气体温度为什么必须高于露点温度?...
Saturday, September 10, 2022
Friday, September 16, 2022
问题:对使用氧化型转化催化剂而言,转化炉配氢配汽可以起到()的作用...
Friday, September 16, 2022
Friday, September 16, 2022