A 3 phase decanter centrifuge is a type of solids control equipment that is used to separate two liquid phases from one solid phase. It works by using centrifugal force to separate the different densities of the liquids and solids. The solids are then discharged from the centrifuge, while the liquids are recycled back into the process.
3 phase decanters are commonly used in the oil and gas industry to separate oil from water and sand. They are also used in other industries, such as the mining and food processing industries.
The solids control system in a 3-phase decanter centrifuge is designed to operate in a continuous manner. The mixture of liquids and solids is fed into the centrifuge at a constant rate by a pump, and the solids are discharged at a constant rate. The control system ensures that the centrifuge operates at the correct speed and that the flow of liquids and solids is balanced.
The efficiency of a 3-phase decanter centrifuge is affected by a number of factors, including the density of the liquids, the size of the solids, and the speed of the centrifuge.
The speed of the centrifuge also affects the efficiency of the decanter. The faster the centrifuge rotates, the more centrifugal force is applied to the liquids and solids, and the more efficient the separation process is. However, if the centrifuge rotates too quickly, it can damage the screw propeller and the rotating bowl. In general, a high-speed centrifuge is designed with a speed of 3000-3500 RPM, which is effective to seperate fluid, oil and solids at the same time.
The discharged mud will be transferred by the auger, the oil will be collected and reused, and the fluid will flow back to the tank, which is mounted with agitators and mud guns Usually, A hopper is also connected to the tank, which is used for making new mud that flows back to the drilling bits and reusing.
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