Publish Time: 2023-11-27 Origin: Site
Magnetic Drive Pumps can meet 90% of all applications of sealless pumps. This kind of pump has complete technical specifications, economical price, short delivery time, convenient use, no electrician involved in maintenance, and can be directly interchanged with ordinary sealed pumps. Magnetic Drive Pumps will occupy a larger market share and become the main equipment of various environmental protection and safety industries in the future.
Here is the content list:
l The no-leak principle of Magnetic Drive Pumps.
l The principle of magnetic eddy current loss of Magnetic Drive Pumps.
Magnetic Drive Pumps isolation sleeve components and connected pump body form a completely enclosed shielded sealed cavity. The rotor components composed of the impeller, the pump shaft, and the inner magnetic rotor are completely enclosed in this shielded and sealed cavity for the conveyed medium. The outer magnetic rotor of Magnetic Drive Pumps is located on the outside of the shielding and sealed cavity, in the air, and is transmitted to the inner magnetic rotor and impeller in the medium through the action of the magnetic field in space. Etic drive pumps have only static seals in the shielding and sealing cavity composed of stator components such as isolation sleeves, and at the same time, the pump shaft that drives the impeller to do work on the fluid does not penetrate the shielding and sealing cavity, so there is no shaft seal. Therefore, Magnetic Drive Pumps is a completely leak-free fluid conveying machine with no dynamic seal and only a static seal.
In Magnetic Drive Pumps, when the outer magnetic rotor drives the inner magnetic rotor to rotate synchronously, a rotating magnetic field is generated between the inner and outer magnetic rotors. The isolation sleeve located in the middle of the inner and outer magnetic rotors is cutting magnetic lines of force relative to the rotating magnetic field. Therefore, in Metallic Magnetic Drive Pumps, if the isolation sleeve is a metal conductor material, an induced current will inevitably be generated on the surface of the isolation sleeve, that is, the magnetic field. Eddy current, the energy loss caused by magnetic eddy current is called magnetic eddy current loss. Usually, the magnetic eddy current loss is manifested in the form of heat, which reduces the efficiency of the whole machine by 1% to 7%. At the same time, the temperature of the isolation sleeve will increase. Once the temperature of the isolation sleeve rises to exceed the maximum operating temperature of the permanent magnet, the use of the permanent magnet will be affected. Therefore, in the design of Magnetic Drive Pumps, the temperature of the isolation sleeve must be controlled to ensure the safe and reliable operation of the permanent magnet.
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