Experimental assessment on an integral two-stage demister of coupling cyclonic separation and granular bed filtration

Gao, Sihong; Liu, Yuxue; Fan, Yunyun; Lu, Chunxi

doi:10.1016/j.powtec.2022.118178

Cited by 2 publications

(1 citation statement)

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“…Andreussi's [15] introduction of an adjustable guide vane, tailored to inlet velocity, dust concentration, and particle characteristics, marks a significant advancement. Similarly, Trow's exploration [16] into the impact of tube diameter on separator efficiency identified optimal long-length ratios, highlighting the nuanced relationship between structural dimensions and performance. Dirkzwager's research [17] further elucidated that a heightened centrifugal force field could be achieved through reduced diameter designs, offering insights into optimizing the balance between efficiency and pressure management.…”

Section: Introductionmentioning

confidence: 99%

Numerical Study of the Gas–Solid Separation Performance of Axial Flow Cyclone Separators

Mao,

Chertovskih,

Cai

2024

Inventions

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Cyclone separators, which have a high separation performance, play a crucial role in mitigating the occurrence of dust explosion incidents. This study aims to improve the performance of an axial cyclone separator using the results of simulations employing the RNG k-ε model together with a user-defined function to simulate the wall collision process. The effectiveness of various structural modifications to the vortex tube has been addressed. Specifically, we found that increasing the number of blades, reducing the blade exit angle, and adopting L-shaped blades increase separation efficiency. Additionally, enlarging the guide vane and exhaust pipe diameters, as well as increasing the exhaust pipe inclination angle, contribute to an improved separation performance due to the developed tangential velocity and vortex cores. However, it also increases the pressure drop losses due to the increase in the turbulence pulsation entropy and the wall entropy, while the time-averaged entropy is found to be less significant. As a result, our study sheds light on the flow characteristics, the gas–solid separation process, and the energy loss mechanism in the cyclone separator.

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Section: Introductionmentioning

confidence: 99%