Difference between shielded pumps and magnetic drive pumps
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What is the difference between a shielded pump and a magnetic drive pump?
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A magnetic pump works by the motor driving the outer magnetic drum; this outer magnetic drum, through an isolation sleeve, drives the inner magnetic drum and the impeller to rotate. The motor of the shielded pump does not rotate; instead, a magnetic field is generated to drive the rotor and impeller to spin.
”A magnetic pump works by the motor driving the outer magnetic drum; this outer magnetic drum, through an isolation sleeve, drives the inner magnetic drum and the impeller to rotate. The motor of the shielded pump does not rotate; instead, a magnetic field is generated to drive the rotor and impeller to spin. “ I’ve learned something new again! Thank you!
Does the motor of the shielded pump not rotate? :L
Isn’t a canned motor pump designed to seal the motor directly to the pump in order to prevent leaks?
It’s not entirely accurate to say that the motor of a canned pump does not rotate; rather, the rotor of the motor and the pump impeller are on the same shaft, with a shielding sleeve used to separate the rotor from the stator, allowing the rotor to rotate within the medium being transported.
Shielded pumps are efficient, but they are relatively difficult to repair； Magnetic pump is actually similar to ordinary centrifugal pumps, and its maintenance is relatively simple.
Right, the rotor of a canned pump is in direct contact with the medium being transported, while the other parts are separated by a casing that prevents leaks. So where does the mechanical energy of this rotor come from? Does it come from the rotational motion of the motor? Is this the correct way to understand it?
This post was last edited by 1573 on 2015-6-19 20:51. Comparison of magnetic pumps and shielded pumps: http://www.doc88.com/p-463113441576.html. Training materials on the structural principles of magnetic pumps: http://wenku.baidu.com/view/f83979c80508763231121291.html. Lecture notes on shielded pumps: http://www.doc88.com/p-6999951599820.html