Petrosadid: Hydrocyclone

A hydrocyclone (often referred to by the shortened form cyclone) is a device to classify, separate or sort particles in a liquid suspension based on the ratio of their centripetal force to fluid resistance. This ratio is high for dense (where separation by density is required) and coarse (where separation by size is required) particles, and low for light and fine particles. Hydrocyclones also find application in the separation of liquids of different densities.

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The fluid is feed into the cyclone under pressure from a feed pump. The velocity of the influent causes the particles to rotate rapidly into the inlet head of the cyclone. The liquid phase, and lighter solids spiral inward and upward for discharge through the liquid outlet. The heavy and coarse solids and the liquid film around the particles spiral to the outside and down the cone sections and out the discharge. Cyclones materials, sizes and the number of cyclones in a radial or inline system can vary depending on the feed pressure, particle size distribution and capacity.


Desanding Hydrocyclones

A desanding hydrocyclone uses the rapid increase in rotational velocity to create centrifugal acceleration of the fluid. This forces the solids towards the outside of the hydrocyclone liner, before they are dropped into the vessel, where they are accumulated.

Solids that have been separated by the desanding cyclone are accumulated in either an integral sand accumulator section or a separate accumulator vessel for higher pressure systems. Discharge of solids from the accumulator can be manual or automatic to suit your application needs.

Whether you are removing solids from wellhead production fluids to protect downstream equipment or treating produced water for discharge or re-injection, supplied desanding hydrocyclones by our partners use the latest technology to meet the most diverse of requirements.

Throughput, pressure drop, reliability and the efficiency of solids removal are all important factors when specifying a hydrocyclone. supplied desanding hydrocyclones by our partners are designed to tolerate higher pressure drops and pass higher flow rates to bring highly efficient solids removal – all in the most compact of vessels.

Petrosadid: Hydrocyclone

Brushing Type

Produced water is channeled into the hydrocyclone head tangentially to the wall. The multiple tangential inlet design combined with a tapering internal geometry creates an accelerating vortex in the fluid as it flows through the liner. Because of the difference in density between the oil and water, the induced centrifugal force pushes the oil into a central core. Careful differential pressure control is used to remove the oily core in a countercurrent flow.

Petrosadid: Hydrocyclone
Petrosadid: Hydrocyclone
Petrosadid: Hydrocyclone

Hydrocyclone Applications

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