Drilling Fluid Centrifuge

Drilling fluids horizontal decanter centrifuge is a kind of screw discharge sedimentation centrifuge. It is mainly composed of a high-speed rotating drum, a screw conveyor with a hollow shaft, and a differential with the same rotation as the rotating drum and a slightly lower speed than the rotating drum. When the suspension to be separated is fed into the drum by the hollow shaft, it is immediately thrown into the drum cavity under the action of the centrifugal force generated by the high-speed rotation. The high-speed rotating drum produces strong centrifugal force to sling the solid particles with higher density than the liquid phase onto the inner wall of the drum to form a solid layer (because of the ring shape, called the solid ring layer); due to the low density of water, the centrifugal force is small, Therefore, the liquid layer can only be formed inside the solid ring layer, which is called the liquid ring layer. Due to the different rotation speeds of the screw and the drum, there is a relative movement (that is, the difference in rotation speed) between the two. The relative movement of the screw and the drum is used to slowly push the sludge in the solid ring layer to the cone end of the drum and pass through the drying zone. After that, it is continuously discharged from the outlets distributed on the circumference of the drum; the liquid in the liquid ring layer is continuously discharged from the weir mouth to the outside of the drum by gravity to form a separated liquid.

The horizontal screw centrifuge uses the centrifugal sedimentation principle to separate the drilling suspension, which is pushed to the slag discharge port at the small end of the drum through the blades on the screw pusher, and the liquid phase overflows through the overflow hole at the large end of the drum. Such continuous circulation, in order to achieve the purpose of continuous separation.

Features and Benefits of HYang Drilling Fluids Decanter Centrifuge
1. Adopt 2205 duplex stainless steel for the Cylindrical and Conical section and centrifugal casting process.
2. The rest of bowl assy are all SS316L.
3. Spiral conveyor is protected by wear-resistant tungsten carbide alloy plate, long service life, and easy to maintain and replace.

4. Branch mouth of the conveyor and solids outlet of the bowl are both protected by a wear-resistant alloy sheath which is easy to replace, lengthen the usage life & maintenance cycle.
5. Bowl assy is protected by dismantled support during transportation, preventing damage to bearings in the transportation.
6. Adopt original packing imported SKF and NSK bearings to improve the machine's stability and long service life.
7. Adopt variable frequency control, and make the user be convenient to adjust rotation speed anytime, meet different working situations.
8. Adopt the electrical components of Schneider or Siemens, select the current overload protection and mechanical limit switch double protection.

Technical Data of Hyang Decanter Centrifuge 

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