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LW520 Decanter centrifuge

Product Details
Oil drilling well stainless steel drum centrifuge

1. It has been granted 7 patents including a flow controller for adjusting and controlling the feed quantity of the centrifuge (ZL200720079860.4) and a main bearing seat of the decanter centrifuge used for drilling fluid-solid-phase control system.

2. LW serial decanter centrifuge has two control models of variable frequency and work frequency, and has abovementioned various decanter centrifuges devoted for ocean drilling platforms. The work frequency-driven decanter centrifuge can change its speed through pulley and belt change, and the variable frequency horizontal centrifuge can realize infinite speed variation in a large scope and its control cabinet can directly display the parameters of work rev., work current and torque. The engine may be suitable for power grids of 50Hz and 60Hz.

3. The roller and helix stowing tool, as the major components of the decanter centrifuge are designed independently by the company, and are made of stainless steel (American Steel No.: 304). All the welding lines are inspected and treated with certificate of conformity or record. And the gyrator will have the resistance to wearing and erosion, and the roller shield, segregation box, main transmission shield and auxiliary transmission shield are all made of stainless steel.

4. The helix vanes are made through bead welding, spray welding and modules to ensure the resistance of the decanter centrifuge to wearing and erosion, greatly improving its service life.It is equipped with dual overload protective devices for machinery and electric appliance for safe operation.

5. And it is equipped with the vertical or horizontal fluid-supplying centrifugal pump designed and produced by the company, with the tools and reserves for equipment use and routine maintenance, with Chinese and English Users Manual and block diagram and explosion diagram, for users to choose the appropriate model, delivery, operation and maintenance.

6. It is a widely used modeland the power frequency model is available in three types of rotation speed.

Technical spec. Unit Rate freq.
Rate freq.
Variable freq.
Variable freq.
N1 N2 N3
Inner diameter of bowl mm 520
Active length of bowl mm 1320/1924
Max. rotation speed of bowl r/min 2800
Active rotation of bowl r/min 2300 2500 2700 1200 - 2800(ajustable)
1537 1817 2119 ≤2119
Differential speed of conveyor r/min 15-25 10 - 30(ajustable)
Max. throughput (SG<1.1) m3/h 50-60 55-65 60-70(ajustable)
Main motor Model
YB250M-4 YB250M-4/YB280S-4
Rated power kW 55 55/75
Rated speed r/min 1470 1480
Accessorial motor Model
Rated power kW 11
Rated speed r/min 970
Feed pump model
Centrifugal pump LSB23J, SB23J
Dimension length mm 2300 / 3800
width 1708
height 1760
Weight including the feed pump kg 4000(4600 for variable freq.) 5200(5800 for variable freq.)

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