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The working principle of the Hydraulic desilter

The hydraulic desilter has a mud cyclone desander, which first pumps the mud into a funnel container by a sand pump. The pumping direction is directed along the tangential line to the inner wall of the container. The slurry is rotated by centrifugation, the structure is destroyed, the cuttings and sand are discharged from the funnel, and the mud flows out from the upper opening of the container. The mud cyclone desander has better sand removal effect than the vibrating screen and is widely used in deep well drilling.

hydrocyclone
hydro-cyclones

The cyclone desander is based on the principle of centrifugal sedimentation and density difference. When the water flows from the sand removal inlet to the equipment in a tangential direction under a certain pressure, a strong rotary motion is generated. Due to the different density of sand and water, the centrifugal force, Under the combined action of centripetal force, buoyancy and fluid drag, the low-density water is lifted and discharged from the water outlet, and the dense sand is discharged from the sewage outlet at the bottom of the equipment to achieve the purpose of sand removal.

find sand recycling machine working principle
mud cleaner machine

Desander process: raw water - swirling sand removal - precision filtration - storage tank - user cyclone desander is based on the principle of centrifugal sedimentation and density difference, when the water flow is under a certain pressure, from the sander inlet to cut After entering the equipment, a strong rotational motion is generated. Due to the different sand water density, the centrifugal force, the centripetal buoyancy, and the fluid drag force are different due to the force, so that the low-density clear water rises and is discharged from the overflow port. The large sand is discharged from the bottom discharge port to achieve the purpose of sand removal. Under certain ranges and conditions, the greater the water inlet pressure of the desander, the higher the sand removal rate, and multiple units can be used in parallel.

When selecting the type of desilter, the desilter should allow a maximum of 1.25 times the maximum displacement of the drilling fluid. The drilling fluid entering the desilter does not have to be treated by a vibrating screen or a desander.
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