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The difference between magnetic pump and centrifugal pump


发布时间:2010年7月23日  阅读次数:3802    

Magnetic pump is a centrifugal pump, by pump, magnetic actuators, motors of three parts. General direct drive pump impeller centrifugal pump motor or impeller driven by magnetic coupling through the magnetic drive pump impeller. No mechanical seal can effectively prevent the leakage. However, only a small magnetic pump magnetic drive power in part by external magnetic rotor component; compartment cover the medium within a magnetic rotor and rotor with the external magnetic isolation; external magnetic rotor by the motor drive, turning fused using magnetic characteristics of the magnetic rotor drive rotation, complete non-contact torque transmission, so as to achieve the purpose of driving the pump.
Magnetic pump, simple and compact. Unique lubrication and cooling circuit, part of the process fluid from the transmission lubrication and cooling components, eliminating the need for mechanical seals pump cooling, washing, cooling and other complicated dance club management system. Maximum design inlet pressure to 30MPa, mechanical seal pumps hard to do this. With the use of mechanical seal or packing seal the pump compared to magnetic force pump has the following advantages:
1. Shaft seals become closed by the static seal, completely avoid media leaks;
2. No separate lubrication and cooling water, reducing energy consumption;
3. Synchronized by a couple driving into a drag, there is no contact and friction. Power consumption, high efficiency, and has a damping effect, reducing the impact of the pump motor vibration and the vibration of the pump cavitation occurs the impact on the motor;
4. Overload, the inner and outer magnetic rotor relative slip on the motor, the pump has a protective effect.

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