In this paper, the effect of inclination on hydrocyclone performance is studied using both computational fluid dynamics (CFD) and experimental methods. Experiments with water medium and the corresponding water–air two-phase CFD simulations in a 75 mm diameter cyclone are carried out at various inclined positions to …
The performance of hydrocyclones is evaluated by using Computational Fluid Dynamics (CFD), and it is characterized by the pressure drop, split water ratio, and particle collection e ciency. In this paper, a computational model to improve and evaluate hydrocyclone performance is proposed.
Hence, this study proposed a two-stage (TS) hydrocyclone, and the effects of the inletvelocity on the TS hydrocyclone were investigated using computational fluid dynamics (CFD).More specifically ...
Ansys Fluent software is used to conduct the CFD simulation of the hydrocyclone separator. There are several steps in the simulation process. The first step is, preparing a 3D model. For CFD simulation, a three-dimensional model of a hydrocyclone separator is created in Ansys SpaceClaim using the parameters listed in Table 1. Then it comes to ...
The manufactured hydrocyclone was the same size with the CFD model of Fig. 3. Solid particles used were sands of 2,600 kg/m3 in density. The recovery was calculated by comparing the feed with the …
A semi-mechanistic hydrocyclone model is developed using the dimensionless approach based on both the fluid mechanics concepts from Computational Fluid Dynamics (CFD) simulations and the wide range of industrial cyclone performance data. ... CFD provides a means of predicting velocity profiles under a wide range of …
The velocity profiles and separation efficiency curves of a hydrocyclone were predicted by an Euler–Euler approach using a computational fluid dynamics tool ANSYS-CFX 14.5. The Euler–Euler approach is capable of considering the particle–particle interactions and is appropriate for highly laden liquid–solid mixtures. Predicted results …
To the best of authors' knowledge, although the first patent on the hydrocyclone is about 128 years old, to date, there are just a few reviews on hydrocyclones (Table 1), and marginal effort has been attempted to comprehensively review and summarize enhanced-separation hydrocyclone technologies developed by optimizing …
HYDROCYCLONE CFD Study on the Effect of Hydrocyclone Structure on the Separation Efficiency of Fine Particles Kuo-Jen Hwang, Wen-Hao Wu, Shaoxiang …
Designed hydrocyclone separates 40% oil-in-water mixture with 93% total efficiency. • Such hydrocyclone is proposed to replace production separators at subsea facilities. • Hydrocyclone design has been based on CFD and fractional factorial design. • PIV and FBRM were applied to assess velocity profiles and droplet size distribution. •
industries to separate fine particles. A hydrocyclone with a diameter of d50 mm was modeled using the commercial Simcenter STAR-CCM+13 computational fluid dynamics (CFD) simulation package. The numerical methods confirmed the results of the different parameters, such as the properties of the volume fraction, based on CFD …
A novel design of a hydrocyclone incorporating a disk deflector is proposed. This component allows the separation efficiency to be increased by reducing the probability of solid particles penetrating an outlet drain pipe, as well as improving the controlled performance of the hydrocyclone. CFD-modeling of the developed hydrocyclone was …
Then, the hydrocyclone was modeled using CFD and the Eulerian-Eulerian computational model, and its results were confirmed using the experimental data. Zang et al. increased the water flow from 3 to 7 m 3 /hr and the oil fraction from 1 to 10% in an axial separator with static rotation for the oil-water mixture. The separation performance and ...
CFD simulation on hydrocyclone 3 with slurry feed cont aining 10% clay, by using various models of turbulent flow such as standard k- ε model, RNG model, and RSM model [5]. Wang et al., examined the
The dynamics of hydrocyclones is complex, because it is a multiphase flow problem that involves interaction between a discrete phase and multiple continuum phases. The performance of …
The numerical models used in hydrocyclone research can be divided into three categories: Euler-Lagrange, two-fluid model (TFM), and coupling CFD with discrete element method (DEM). The effect of inter-particle interaction and the impact of particles on the fluid are ignored in the Euler- Lagrange model [31], [32], [33].
Published online: 25 Sep 2023 Cite this article https://doi/10.1080/02726351.2023.2261391 Full Article Figures & data …
ABSTRACT Natural Gas Hydrate (NGH) downhole hydrocyclone separator is one of the core components of solid-state fluidized mining method, and its adaptability to NGH reservoir parameters directly determines the success of future commercial NGH mining. In this paper, CFD method is used to study the performance of downhole small …
To study the effect of overflow back pressure on the internal flow field and separation performance of a hydrocyclone, a hydrocyclone with a cylindrical cone of Φ75 mm is designed, with the structure shown in Fig. 1 and the specific structural parameters shown in Table 1. The coordinate system is established with the centre of the underflow ...
hydrocyclone Desander hydrocyclone Flotation/Filtration Fig. 1—Process-flow schematic of a possible well fluid-processing system with emphasis on produced-water treatment. A desander hydrocyclone is the first stage of produced-water treatment, and is used to remove sand and to protect downstream oil-removal equipment.
A mini-hydrocyclone was designed to remove microplastics from water through air flotation. The hydrocyclone geometry parameters were optimized through the combination of the orthogonal design ...
A 3D-printed mini-hydrocyclone for high throughput particle separation: ... Here, we demonstrate the design, fabrication and evaluation based on CFD simulation as well as experimentation of 3D-printed miniaturized hydrocyclones with smaller cut-size for high-throughput particle/cell sorting. The characteristics of the mini-cyclones were ...
This study presents the design of a hydrocyclone that can be used for fine filtration of up to 10 μm in a component cleaning machine. Being a non-consumable filter, it can be an environment-friendly alternative to the traditional filters used in the industry, which are mostly consumable. The results obtained through CFD analysis are used to ...
Hydrocyclone is one of the most versatile processing units being in use applied in mineral processing industry. The cyclone as a process equipment was …
Hydrocyclone Computational fluid dynamics Multiphase flow Particle separation Sampling probe Nomenclature Clp lift coefficient dk diameter of phase k (m) frep
In this paper, we explore a novel separation approach: hydrocyclone separation coupled with particles to enhance oil–water separation, based on the composite force field. The computational fluid dynamics-discrete element method is utilized to analyze the dynamic behavior of particles and oil droplets within the coupling field, as well as the ...
The performance of hydrocyclones is evaluated by using Computational Fluid Dynamics (CFD), and it is characterized by the …
Comprehensively considering the removal of fine particles and recovery of coarse particles, the arc inlet combined with a 30° cone angle design is believed to be optimal under a low SC. Hydrocyclone G …
The flow field of a hydrocyclone is usually examined by numerical modeling techniques, a time- and labor-saving approach [22]. The flow behaviour within a tailored hydrocyclone has been determined by CFD-based numerical simulation and analysis [23]. The separation efficiency rises or falls as the underflow or overflow conduit diameter …
Ultrafine particle classification can be realized using hydrocyclones with novel structures to overcome the limitations of conventional hydrocyclones with tangential inlets or cone structures. Herein, the hydrocyclones with different inlet structures and cone angles were investigated for classifying ultrafine particles. Computational fluid dynamics …
A review on the application of CFD modelling on particle-fluid dynamics and thereby on the performance prediction of hydrocyclone, DMC and tumbling mill is presented. As the present review indicates, the flow inside HC and DMC is quite complex and there has been a number computational studies both on understanding particle-fluid …
Download full book Search ScienceDirect Chapter contents Book contents Mineral Processing Beneficiation Operations and Process Optimization Through …
Weir Minerals patented [] its new Cavex hydrocyclone entry for a hydrocyclone based on the work of Soto [], Mora [], Concha and Castro [], Véjar [] and Bustamante and Mora (1996) and tested it at La Coipa Mine and the Mantos de Oro concentrator in Chile [].The laminar spiral inlet geometry design of the Cavex …
Bản quyền © 2023.CONFIA Đã đăng ký Bản quyền.sơ đồ trang web