目前，关于鼓泡塔内气液逆流操作的CFD模拟计算还很少。
At present, a few CFD simulations of countercurrent of liquid and gas in the bubble column are found.
探讨了双塔连续逆流操作的超临界萃取和浓缩天然维生素E的工艺路线。
The process for concentrating natural vitamin E in the dual-column continuous countercurrent supercritical extraction is studied.
结果表明：逆流操作的净化效率高于顺流，气(液)体流量对出、进口气(液)体温差有较大影响。
The result shows that the purification efficiency is higher under counter current operation than that under co-current operation.
主要介绍一种易清洗操作的折流式连续逆流提取机和长槽法兰紧固件。
One continuous counter flow extraction machine with fold flow and long slot flange tightening component were introduced in this article.
主要介绍一种易清洗操作的折流式连续逆流提取机和长槽法兰紧固件。
One continuous counter flow extraction machine with fold flow and long slot flange tightening component were introduced in this article.
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