Variation of Zero Net Liquid Holdup in Gas-Liquid Cylindrical Cyclone Separator in Normal Operational Conditions

In order to evaluate the humidity effect on the performance of a gas-solid cyclone, an experimental setup is designed including a cylindrical cyclone with a tangential inlet, air compressor, humidifier, flow meter and injector of particles with known properties. The cyclone body is a cylinder with diameter and height of 50 and 150 mm, respectively and the rectangular inlet with dimension of 10 mm × 22 mm. The solid particles used in the experiments are cement because of the application of cyclones in air purification in cement industry. The injection of particle is performed with a controlled rate. A humidifier device increases the relative humidity of the inlet flow from 30 to 100 percent. Separation efficiency is defined as the ratio of collected to injected particles and calculated for different inlet airflow rates for dry and humidified conditions. Obtained results for this experiment indicates humidity has a favorable effect on increasing the efficiency of a cyclone separator. Although increasing the humidity of the air increases the density, which has an adverse effect on the separation efficiency, it is negligible in contrast to its benefits on agglomeration of particles.

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Time-frequency analysis of the vortex motion in a cylindrical cyclone separator

Chemical Engineering Journal ◽

10.1016/j.cej.2019.05.054 ◽

2019 ◽

Vol 373 ◽

pp. 1120-1131 ◽

Cited By ~ 5

Author(s):

Zhuwei Gao ◽

Juan Wang ◽

Jiangyun Wang ◽

Yu Mao

Keyword(s):

Frequency Analysis ◽

Vortex Motion ◽

Cyclone Separator ◽

Time Frequency Analysis ◽

Time Frequency ◽

Cylindrical Cyclone

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Numerical Simulation of a Natural Gas Cylindrical Cyclone Separator Using Computational Fluid Dynamics

Industrial & Engineering Chemistry Research ◽

10.1021/acs.iecr.9b01217 ◽

2019 ◽

Vol 58 (31) ◽

pp. 14323-14332 ◽

Cited By ~ 2

Author(s):

Juan Sebastian Cornejo Caceres ◽

Natalia Prieto ◽

German Gonzalez ◽

Arlex Chaves-Guerrero

Keyword(s):

Fluid Dynamics ◽

Numerical Simulation ◽

Computational Fluid Dynamics ◽

Natural Gas ◽

Cyclone Separator ◽

Cylindrical Cyclone

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Study of Foam Flow in a Gas-Liquid Cylindrical Cyclone (GLCC) Compact Separator

Volume 1: Symposia, Parts A, B and C ◽

10.1115/fedsm2009-78419 ◽

2009 ◽

Author(s):

No´lides M. Guzma´n ◽

Ovadia Shoham ◽

Ram Mohan

Keyword(s):

Experimental Data ◽

Flow Behavior ◽

Two Phase ◽

Operational Conditions ◽

Foam Flow ◽

Aqueous Foam ◽

Flow Characterization ◽

Cylindrical Cyclone ◽

Static Trap ◽

Break Up

Aqueous foam flow behavior in a Gas-Liquid Cylindrical Cyclone (GLCC) is studied experimentally and theoretically with the objective of determine the operational envelop for foam break up. An existing experimental two-phase facility was modified to enable foam flow characterization. Several experimental data were acquired for aqueous foam using a compact inlet cyclone. These include: foam characterization in static trap sections, and foam flow behavior in the cyclone. Saint-Jalmes et al. (2000) model has been modified for characterization of foam evolution in static trap sections including the prediction of the drainage interface height with time. In addition, a new model for the prediction of the operational envelop for foam break up in the cyclone based on foam characteristics was developed. Good agreement is observed between the experimental data and the predictions of the models. It can be concluded that depending on the operational conditions the GLCC can act either as a foam breaker or as a foam generator. The developed model for the prediction of the operational envelop for foam break up separates these two modes of operations of the GLCC.

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