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Let You Know Trenchless Drilling Desilter

Posted by:    Time:2014-03-14     click:

The separation capacity of trenchless drilling desilter is high and its separation particle size range is extensive;Cyclone export is equipment with pressure umbrella, which forms a "wet bottom" row sand can make the separation of the particles in the flowing rapidly, reduce the probability of bottom jam;Advanced small two screen shale shaker is low noise and the screen mesh has a long life;Symmetrical mechanism makes the liquid in vortex distribution is reasonable and stable, which is the ideal choice for drilling mud level 3 solid phase control efficient cleaner equipment.

Trenchless drilling desilter is designed according to the principle of settlement, is the upgraded version of desander .Due to density difference between coarse grain and fine grain, drilling fluid can produce certain separation medium pressure and speed through the pump, the centrifugal force, the centripetal buoyancy and fluid drag force of different sizes, the centrifugal sedimentation, cyclone center to create a low pressure area ,which has a suction effect, particles along the spiral into the cyclone wall, coarser particles under the action of centrifugal force and gravity, the cyclone wall spiral will sink, falls below breakdown vibrating screen separation from the bottom exit , the rest of the medium has risen in a spiral along the cyclone then flows from the overflow pipe.

The Characters of trenchless drilling desilter are according to the size of the drilling fluid treatment, assumes the circular array by more than 4 cyclones of 50-125 mm.The diameter of overflow pipe and the feeding tube are larger, the cone Angle is small; Hydrocyclone of Circular permutation group used with vibrating screen of rectangular recovery.Due to the above characteristics of the utility model are enhanced ability to deal with mud slurry, drilling cuttings could improve the separation efficiency. It has simple structure, low cost and it is easy to move , install and use is very convenient.?Trenchless drilling desilter is an important component of the solid control, its good or bad is a direct impact on the performance of drilling fluid, and further affect the quality of drilling engineering.Make trenchless drilling desilters through research and development to design a kind of has a high degree of automation, safe and efficient characteristics of silt apparatus has a certain practical significance.There is a big advantage compared to the desander.

In recent years, domestic mud purification device has been extensively used in various fields gradually, the level of theoretical research and manufacturing technology has larger development.Especially on the theoretical research, such as the working principle of vibrating screen, the working principle of cyclone, etc., has been at or near the world's advanced level, but the performance and life expectancy of domestic solids control equipment have a certain gap compares to the abroad machines.At present most of mud purification device used in China are "the second screen in addition to" (i.e. two shale shaker and a cyclone desander, a few drilling crew was equipped with a desilter), thus the cleaning function is not ideal making it can't give full play to the performance of drilling fluid, cause waste of the working efficiency.Mud trenchless drilling desilter is developed in order to solve this problem

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