The formation of swirl flow in a cyclone separator
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The outward rotational flow is easy to understand: the gas wall provides the centripetal force, causing the motion to be a continuous circular movement downward under the effect of gravity. So why is an inward swirling flow formed?
A cyclone separator belongs to the category of dynamic separators; when the airflow reaches the conical bottom of the separator, it is reflected as a result of momentum change. The direction of the airflow then reverses compared to before the momentum change, creating a negative pressure field known as the \"typhoon effect\", which can lead to poor discharge from the bottom. Please visit the link “Highly efficient kinetic vane-type gas-liquid separation, multi-factor swirl separator technology, and advanced gas-liquid-liquid three-phase separation technologies at NOVEL Company”... http://bbs.hcbbs.com/thread-1354813-1-1.html (Source: Haichuan Chemical Industry Forum) to learn more about these technical details.