此操作的结果是将驱动流体和夹带(吸入)流体混合起来,混合流体的速度降低且第二个喷嘴中的压力增加。
这一原理的实际应用需要一个简单仪器,它基本上仅包含 3 个主要部件:
喷射器系统的设计简单,但非常可靠,并且需要的维护量非常低,因为它们在工作时不需要移动部件。

1= motive nozzle, 2 = diffuser, 3 = head, A = motive medium inlet connection, B = suction manifold, C = pressure manifold
Explore the Potential of Jet Pumps
Jet pumps / Ejectors working principle
Whether it’s a fad or the future, 100% vial traceability is becoming an increasingly important consideration in the pharmaceutical freeze drying industry. Keeping a close eye on developments is GEA. We’re investigating possible solutions and, what’s more, we have the experience, expertise and know-how to implement them.
At GEA, our commitment to engineering for a better world fuels our pursuit of innovative solutions that enhance patient care and safety. One of our most promising ventures in recent years is aseptic spray drying – a technology that promises to revolutionize pharmaceutical manufacturing.