Abstract
Cyclone separator is an equipment that separates particles contained in the fluid without using filters. The dust particles in the flue gases can be separated by utilizing centrifugal forces and different densities of particles, so that the exhaust gases to be cleaner before discharged into the environment. In this paper carried out a simulation by Computational of Fluids Dynamics to determine the number of particles that can be separated in several cyclone separator which has a ratio body diameter against vortex finder high varied as : 1:0.5 ; 1:0.75 ; 1:1 ; 1:1.25 and 1:1.5. Fluid inlet are air with antrachite impurity particles that are commonly found in the exhaust gases from tire manufacturers with inlet velocities varied as: 15 m/s and 30 m/s. The results of simulation show the fluids with 15 m/s of inlet velocity is generate particle separation value is higher than the fluids with 30 m/s inlet velocity for ratio of body diameter and height vortex finder a: 1:0.5 and 1:1.5. For both of inlet velocities the best ratio of body diameter and height vortex finder is 1:1.25, where it has the highest values of percentage trapped particles about 86% for 30 m/s input velocity and also for 15 m/s input velocity.
Highlights
Cyclone separator is a device for separate solid or liquid particles from carrier gases by centrifugal force wich exists in a stationnaries mechanical device
Special conditions happen to the value vortex finder length (s) equal to body diameter (D) which has a minimum value for the maximum speed of the fluid in cyclone separator
Five cyclones with different vortex finder length have been simulated by computational fluids dynamics methods
Summary
Cyclone separator is a device for separate solid or liquid particles from carrier gases by centrifugal force wich exists in a stationnaries mechanical device. The efficiency of separator systems is determined by the size of particles to be separated and the velocity of flow entering devices. X Low efficiency values for very small particulate size when operated under small amount particle in the fluids. For all types of cyclones separators show general performance of the cyclone separator is determined based on the type and amount of solid particles in fluids inlet. 2. Forced vortex flow : fluid move swirly with friction fluids so that the values of tangential velocity as same a rotating body. For solid body rotation or forced vortex flow, tangential velocity can be expressed as :. In this paper studied about ratio of body diameter comparison to vortex finder heights in relation to increased efficiency of cyclone separator
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