Centrifugal Degasser

Centrifugal Degasser is used to remove the gas phase from the drilling fluid. Centrifugal Degasser is usually installed directly after the shaker, is widely used in mud systems and plays an important role in restoring the density and stabilizing the viscosity of drilling fluid. And it can also be used as a high-power mixer for preparing drilling fluid. It has high performance, high degassing speed, ergonomics, low energy consumption, ease of operation and maintenance.

This is a new type of degasser developed by our company based on the integration of various types of degassers in the world. Comparing with KINGWELL vacuum degasser, centrifugal degasser has smaller footprint and low power consumption, and can also achieve the following functions:

Restoring the gravity of drilling fluid when drilling oil and gas wells.
Separation of gas phase from the drilling fluid and their direction into the gas-air line
Use as a second stage after the mud gas separator (in the case of drilling method with equilibrium and unbalanced pressure in the well)

Technical parameters of Centrifugal Degasser

Model	KWLCQ300
Liquid Inlet Size, inches	20
Liquid Outlet Size, inches	6
Gas Outlet Size, inches	2
Max Liquid Throughput, m3/h	300
Max Gas Removed, m3/h	30
Main motor, kW	22
Fan Motor, kW	1.1
Gearbox Ratio 1:5	1:5
Weight, kg	1400
Dimensions, mm	1150×1054×3110

Working principle of Centrifugal Degasser

The degasser is mainly composed of transmission, impeller, rack, airflow manifold, pressurizing unit, separation unit, woven hose, vacuum pressure gauge and fastener. When the main motor is driving the gear box rotating, the driving wheel drives the impeller rotating thru the axis of the gear box. The gas cut drilling fluid (mud) is first pulled up by the impeller from the bottom to the top of the degasser and will stay at the higher level than the gas cut drilling liquid. And formed cylinder shaped liquid shape with the reversed cone cavity in the middle. (Like using chopstick stirring water in the Porcelain Jar, when water upwelling along the wall, there will be a reversed air swirl in the middle)Thus, the liquid layer between the up moving liquid column and wall will be thinner, when the mud reached the top, due to the centrifugal force, it will be discharged in the direction of tangent line of the discharge port. Also the gas cut in the slurry will go up the surface and break thru the surface tension of the liquid and burst in the form of bubble, the air will be excavated. Pressurizing unit (similar to exhaust fan) will suck the air thru the narrow channel between the air distribution disk and air separation ring into the air discharge chamber, then thru air manifold and woven hoses, and goes into the pressurizing unit from the suction port of the pressurizing device. Last the air will be pressurized by the pressurizing unit and then discharged. This is the full working process of the centrifugal degasser.

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