The desander is primarily and widely applied in the petroleum industry, the oil and gas drilling, the exploration industry, the trench-less engineering, the geotechnical engineering, mining, metallurgy, coal as well as the hydroelectric industry.
As the combination of the hydrocyclone desander and the vibrating screen, the drilling mud desander is the three-level solids control equipment used in the solids control system of the drilling fluids. It is primarily made up of the vibrating screen, the distribution manifold as well as the hydrocyclones. The drilling mud desander is mainly used to remove the harmful solid phase with the granularity of more than 45μm so as to ensure the good properties of the drilling fluids.
The desander system is made up of the screening system, the adjusting and supporting system, the aqueduct, the foundation, the pressure gauge as well as the desander hydrocyclones. The desander is designed on the basis of particle setting principle. The separated medium-drilling liquid enters along the inner wall of clone spirally, depending on the pressure and speed produced by centrifugal pump. Under the function of centrifugal force and gravity, the larger particles are sunk along the inner wall of clone spirally and drained from bottom outlet to be separated in shale shaker with smaller mesh. Other mediums are ascending along clone spirally to enter the second separation device from overflow outlet for further purification.
KOSUN has been the major supplier of solids control products in the field of China’s oil & gas drilling equipment, the earliest and only one centrifuge manufacturer in five provinces in Northwest China, and the producer of the first-generation high-frequency drilling fluid shale shaker in China.
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