Experimental study of a vane-type pipe separator for oil–water separation

Shi, Shiying; Xu, Jing-yu; Sun, Huan-qiang; Zhang, Jian; Li, Donghui; Wu, Yue

doi:10.1016/j.cherd.2012.02.007

Cited by 54 publications

(12 citation statements)

References 15 publications

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“…By comparison, with the VTPS system the oil phase is concentrated in the central area of the pipe [3]; and both the photographic and the laser image processing techniques are not applicable for DSD measurements because of the graphic overlay problem [2]. Thus, a particle size analyser, Malvern Insitec SX, which is based on light diffraction, was chosen in this study to examine the DSD characteristics in the VTPS.…”

Section: Literature Reviewmentioning

confidence: 99%

“…This methods creates vortical motion in the fluid through rotation of guiding vanes in the pipe center, whereas conventional cyclones for oil-water separation form the vortical motion at the tangential entry structure [2]. The authors have previously demonstrated that this new method can produce improved oil-water separation performance in preliminary experimental study [3]. The feasibility of this method has also been shown at the Caofeidian oil field in West Bohai Bay, China.…”

Section: Introductionmentioning

confidence: 98%

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Investigation of Oil Droplet Distribution in a Vane-Type Pipe Separator

Shi¹,

Liang²,

Zhang³

et al. 2017

dtetr

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Abstract. The droplet size distribution (DSD) in a swirl flow field formed by guiding vanes in a vane-type pipe separator (VTPS) was experimentally studied. The cumulative volume fraction and maximum droplet diameter of the dispersed phase were determined using a laser particle size analyzer. The results show how the characteristics of droplets in a swirl flow field changes with the dispersed phase content, flow rate and water velocity at the inlet. A quasi-power law function is shown to fit the DSD cumulative volume fraction results better than the Rosin-Rammler Function.

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Section: Literature Reviewmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 98%

Investigation of Oil Droplet Distribution in a Vane-Type Pipe Separator

Shi¹,

Liang²,

Zhang³

et al. 2017

dtetr

Self Cite

View full text Add to dashboard Cite

show abstract

“…As a disadvantage of such separator, it should be noted that the flow inside this kind of separator is highly turbulent and nonstationary, which limits the further application in two-phase flow separation (Hreiz et al, 2014a,b). On the other hand, limited by the space, most of the hydrocyclones and gas-liquid cylindrical cyclones are asymmetrical "single-entry" structures in practical applications, which leads to the asymmetrical internal flow field, and then affects the separation efficiency of the separator (Shi et al, 2012). Compared with the tangential flow cyclone, the flow is put into swirl motion by swirl generators in most of axial cyclones, which results in a relatively low swirl intensity of the fluid (Nieuwstadt and Dirkzwager, 1995).…”

Section: Introductionmentioning

confidence: 99%

Experimental Study on a New Type of Separator for Gas Liquid Separation

Zheng¹,

Yang²,

Wang

et al. 2019

Front. Energy Res.

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Gas-liquid separation technology is widely used in various fields of industrial production. In this research, a new kind of gas-liquid separator was proposed for the separation of gas-liquid mixture under different flow patterns. An inclined experimental system with an angle of 60 degrees from the vertical was established to test the new designed gas-liquid separator using of water and air as the working fluid. The experiment was conducted with the water flow rates covering 2.85-4.17 m 3 /h and the gas volume fraction covering 5-90%. Experiment results show that the separator can enable high efficient separation of gas-liquid mixtures under different patterns, especially under unstable flow patterns. The liquid level inside the separator is an important factor affecting the performance of the separator. On the basis of this, the critical liquid level of the separator was proposed for the practical application of the separator. This study fills the gap in the field of gas-liquid separation and provides a method for the separation of gas-liquid mixtures under different flow patterns.

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“…The new vane-type pipe separator uses the guide vanes to produce swirling flow fields to realize centrifugal oil-water separation (Shi et al, 2012;Shi and Xu, 2015). However, the flow characteristics of the swirling flow field are not very clear because of the unique structure of the guide vanes.…”

Section: Introductionmentioning

confidence: 99%

Study of the swirling flow field induced by guide vanes using electrical resistance tomography and numerical simulations

Zhang

et al. 2018

Chemical Engineering Communications

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In this work, the swirling flow field induced by guide vanes was studied using electrical resistance tomography (ERT) and numerical simulations. The results show that the two-phase water and oil mixture moves in the same axial direction for this type of flow field, which is very unlike the flow behavior of a traditional hydrocyclone with a tangential inlet. In the pipe behind the guide vanes, the smallest axial velocity and tangential velocity are located at the center of the pipe. From the pipe center to the pipe wall, both pressure and velocity increase gradually. Downstream of guide vanes, the maximal oil volume fraction is observed at the center of the pipe. From the center of the pipe to the inner wall, the oil volume fraction gradually decreases. Moreover, ERT can precisely show the oil distribution in the pipe section. These studies prove the possibility of efficient oil and water mixture separation by guide vanes, and the results may be very important for guiding the optimal design of vane-type pipe separators.

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Experimental study of a vane-type pipe separator for oil–water separation

Cited by 54 publications

References 15 publications

Investigation of Oil Droplet Distribution in a Vane-Type Pipe Separator

Investigation of Oil Droplet Distribution in a Vane-Type Pipe Separator

Experimental Study on a New Type of Separator for Gas Liquid Separation

Study of the swirling flow field induced by guide vanes using electrical resistance tomography and numerical simulations

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