Abstract: magnetic pump magnetic actuator by the external magnetic rotor sleeve, inner magnetic rotor and non magnetic components when the motor drives the outer magnetic rotor, the magnetic field can penetrate the air gap and non-magnetic material, driven by the magnetic rotor and impeller connected for synchronous rotation, no contact synchronization realize the power transmission, will be easy the leaked dynamic seal into static seal zero leakage structure. Because the pump shaft and the internal magnetic rotor are completely closed by the pump body and the isolation sleeve, the &ldquo is completely solved, and the problem is running, running, dropping and leaking &rdquo.
The magnetic pump is a branch of the pump field. The magnetic pump is a new product that applies the working principle of the permanent magnetic coupling shaft to the centrifugal pump. Magnetic pump is mainly used in computer cooling system, solar fountains, fountains, crafts, coffee machine, water dispenser, soilless cultivation, scaling, water heater pressure, hot water circulation, swimming pool water circulation filter, feet massage tub, massage bathtub, auto cooling circulating system, oiling device, humidifier, air conditioner, medical equipment, cooling system, sanitary products etc..
Friends often tell me how bad the stainless steel magnetic pump is. I do wonder. I've been using it for four or five years fast or good. How to get to his hands is very easy. After a series of surveys, he found that there are many problems in the use and maintenance of magnetic pumps. Let me start with what we should pay attention to when we use magnetic pumps.
First prevent particles from entering
(1) there are ferromagnetic impurities and particles into the magnetic actuator and bearing friction is not allowed.
(2) after transporting the easy crystallized or precipitated medium, it should be washed in time (after the pump is stopped, the water is pumped into the pump cavity and discharged after running 1min), so as to ensure the service life of the sliding bearing.
(3) when transporting the medium containing solid particles, it should be filtered at the entrance of the pump flow tube.
It is not enough, we have to prevent demagnetization demagnetization, then basically the pump life will soon end. So pay attention to this point. (fluoroplastic magnetic pumps also need to pay attention to this)
(1) the magnetic torque can not be designed too small. Alcohol pump
(2) it should be operated under the prescribed temperature conditions, and the temperature of the medium is strictly forbidden. The platinum resistance temperature sensor can be installed on the outer surface of the magnetic pump isolation sleeve to detect the temperature rise in the annular gap, so that the temperature is over limited to alarm or stop.
The last is to prevent dry friction
(1) no empty rotation is strictly prohibited.
(2) the medium is strictly forbidden.
The attention of the fluoroplastics self - sucking pump is also similar to the magnetic pump.
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