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The vacuum degasser is highly efficient in solids control system. Its unique design assures reliable continuous operation and the highest level of continuous performance available without the need for helium degassing. Up to five solvent lines may be degassed simultaneously by one unit. The extremely low internal volume of each teflon AF channel offers very quick equilibration and very short start-up times compared with PTFE degassing channels which have the same degassing efficiency.

Vacuum type is the most common form of degasser. It can be horizontal, vertical or round vessel. A vacuum action is created to pull in the gas cut mud. When the liquid enters the tank, it will flow and be distributed to a layer of internal baffle plates designed for the mud to flow in thin laminar film and is exposed to a vacuum that forces the gas to escape and break out of the mud. The vacuum pump moves the escaping gas from the vessel discharging it to the rig's flare or environmental control system.

Working Principle of Drilling Fluids Vacuum Degasser:
Vacuum degasser ranks as the second stage of solids control system. The drilling mud that are separated by the first stage device - shale shaker flows into the settling compartment of the mud tank. The drill cuttings will settle into the settling pit, and the drilling fluids will flow over and into the second compartment. A sand pump will be used to pump the drilling mud from the second compartment up to the vacuum degasser. The drilling mud goes into the vacuum tank through the feeding pipe, and rotates by the rotor of the degasser, by the effect of centrifugal force, the drilling fluids will be thrown to the inner wall of the vacuum tank, and the gases that migrate into the mud will be separated from the mud. Vacuum layer will be generated by the vacuum pump that are mounted on the skid of degasser, so the gases that are separated will be pumped out to the water-gas separator by the vacuum pump and be discharged through the relief line pipe and finally be flared by the electrical ignition device at a place that are 60 to 80 meters away from the drilling rig.

KOSUN Vacuum Degasser is able to service the needs of any application. Unlike the traditional vacuum degasser, KOSUN VD Vacuum Degasser is a self-contained unit. The gas-cut mud is drawn into the degasser by a vacuum created by a regenerative vacuum without the need of centrifugal pump. Moreover, KOSUN Degasser can act as a big agitator for the drilling mud, which helps the treatment for desander and desilter. KOSUN also has atmospheric/centrifugal degasser available as an alternative to the standard vacuum type degasser.