Table of Contents
What is hydrocyclone function?
A hydrocyclone is a high-throughput gravity separation device used for separating slurry particles based on particle weight. For example, particles of similar size but different specific gravity, or particles of different size but identical specific gravity.
What is hydrocyclone in mineral processing?
In the mining industry, hydrocyclones are mineral processing equipment used in slurry pulps to separate coarse and fine particles according to their size and density.
What is a hydrocyclone in oil and gas?
Hydrocyclones are devices used to treat produced water in the petroleum industry. These gadgets are employed especially at offshore fields, due to restrictions of charge and space. Several factors may affect the performance of the oil/water separation by hydrocyclones.
What is HydroCyclone pressure drop?
The pressure drop is the total pressure difference that is the difference between the inlet pressure and outlet pressure. Pressure drop inside the hydrocyclones are investigated, and the results are shown in Fig.
What is liner in HydroCyclone?
The hydrocyclone system is lined with our ceramic components, which need to be robust to withstand severe abrasion caused by the rotational flow of the abrasive sand. Hydrocyclones are also used in water treatment as part of the in fracking process offering value in solid / liquid separation from produced water.
What is a HydroCyclone in oil and gas?
How does a oil hydrocyclone work?
Hydrocyclone Oil Separators apply extreme centrifugal force to separate oil particles from wastewater. A Hydrocyclone’s primary construction comprises of a conical shaped chamber. This chamber has two exit outlets located at each end with one wastewater inflow inlet on the side.
What is roping in hydrocyclone?
Roping is the third and final condition, where pressure is intensified inside the hydrocyclone. As a result, the underflow volume is reduced, causing particles that are larger than the desired product size to travel to the overflow, affecting the following process and damaging metallurgical parameters.
What is hydrocyclone separator?
Hydrocyclone separators are used worldwide in the mining and mineral processing industries for classification, de-sliming and de-watering applications. Their main purpose is to separate a stream of particles into different size fractions.
What is the function of the hydrocyclone in a grinding circuit?
A hydrocyclone fulfills two important functions: separating fine from coarse particles and producing an underflow slurry of a consistency that induces efficient grinding in the mill to which the slurry is recycled.
How do you adjust a hydrocyclone?
To make a hydrocyclone cut finer, here are some of the options generally available:
- Increase feed pressure/flow.
- If there are multiple hydrocyclones in a system, reduce the number of operating hydrocyclones to increase the pressure and flow to the remaining operating hydrocyclones.
- Utilize a smaller vortex finder.
How can I increase my hydrocyclone efficiency?
Keep the Feeding Pressure Stable If the feeding pressure is too high, more fine particles will be mixed into the sand setting. If the feeding pressure is too low, more coarse particles will be mixed in the overflow. These will greatly reduce the classification efficiency of the hydrocyclone.
What causes hydrocyclone roping?
By reducing the amount of water, the amount of bypass fines will be reduced. With a Hydrocyclone, this is accomplished by adjusting the spigot size. Too small of a spigot will cause roping in the Hydrocyclone and decrease separation efficiency, while too large a spigot will increase the bypass.
What is the working principle of hydrocyclone?
The operating principle of the hydrocyclone is that of a conical vortex-generating chamber. Liquid slurry enters at the top of the conical wall of the hydrocyclone through a vortex finder which creates tangential flow and therefore a strong vortex in the hydrocyclone. The slurry in the cyclone spins in a high velocity vortex.
What is the shape of a hydrocyclone?
Hydrocyclones are cono-cylindrical in shape, with a tangential feed inlet into the cylindrical section and an outlet at each axis. The outlet at the cylindrical section is called the vortex finder and extends into the cyclone to reduce short-circuit flow directly from the inlet.
What is the purpose of the apex of a hydrocyclone?
The purpose of the apex is to cause internal pressure for the cyclone and to create a vortex that extends all of the way to the top of the cyclone. In all hydrocyclones there are two outlets, one for the coarse material, this is the APEX, and the other for the fine material, which is the VORTEX FINDER.
How does liquid slurry enter a hydrocyclone?
Liquid slurry enters at the top of the conical wall of the hydrocyclone through a vortex finder which creates tangential flow and therefore a strong vortex in the hydrocyclone. The slurry in the cyclone spins in a high velocity vortex.