Sunday, February 2, 2025
Friday, January 31, 2025
Monday, February 10, 2025
问题:焦碳塔大吹汽量增大,则焦碳挥发分一般会()A、增大B、减小C、没变化...
Monday, February 10, 2025
Wednesday, December 25, 2024
Tuesday, February 11, 2025
问题:原料油经加热炉加热后进入焦炭塔内,主要发生两类反应,分别是()和()反应,它们分别是()热反应和()热反应,最后总体的热反应通常表现为()热反应。...
Monday, February 10, 2025
问题:焦化过程使用()是减少焦粉携带和改善操作的主要方法之一。...
Friday, January 31, 2025
Tuesday, February 11, 2025
Tuesday, February 11, 2025
Tuesday, February 11, 2025
问题:大量给水冷焦后,当塔顶温度低于130℃,压力低于0.02Mpa时,打开老塔(),关闭(),严禁水进入放空系统;冷焦结束后,放水前全开(),由塔底放水阀进行放水。...
Friday, January 31, 2025
Sunday, February 2, 2025
问题:冷热油泵的区分温度是()A、150B、200C、250...
Tuesday, February 11, 2025
Tuesday, February 11, 2025
问题:往复泵若不考虑泄露损失,起理论流量不随出楼压力变化而变化。...
Sunday, December 1, 2024
Tuesday, February 11, 2025
问题:焦炭塔的主要操作过程有:赶空气、()、油气预热、()、小吹汽、大吹汽、()、溢流、()、除焦。...
Tuesday, February 11, 2025
Tuesday, February 11, 2025