Magnetic pumps are widely used in computer cooling systems, solar fountains, desktop fountains, drinking fountains, tea and other cooling systems, bathroom products. Magnetic pump can be divided into: micro AC pumps, brush DC pumps, brushless DC pumps, brushless DC magnetic drive pump. Magnetic pump by the pump, magnetic actuator, the motor consists of three parts. The key components of the magnetic actuator consists of an outer magnetic rotor, an inner magnetic rotor and a non-magnetic isolation cover. When the motor drives the outer magnet rotor to rotate, the magnetic field can penetrate the air gap and the non-magnetic substance to drive the inner magnet rotor connected with the impeller to rotate synchronously to realize the powerless contact transmission and transform the dynamic seal into the static seal. Magnetic pump when using Note: 1. Prevent particles from entering: (1) do not allow ferromagnetic impurities, particles into the magnetic clutch and bearing friction; (2) to send easy to crystallize or precipitate the media to be promptly rinsed (stop the pump to the pump after filling water, running 1min after discharge clean), in order to protect the life of the sliding bearing; (3) the transport of solids containing media should be filtered at the pump flow inlet. 2. Prevent demagnetization (1) The magnetic moment can not be designed too small; (2) Should run under the specified temperature, non-temperature medium is strictly prohibited. A platinum resistance temperature sensor can be installed on the outer surface of the magnetic pump isolation sleeve to detect the temperature rise in the annulus area so as to alarm or stop when the temperature exceeds the limit. 3. Prevent dry friction (1) is strictly prohibited idle; (2) media is not allowed to take the time; (3) in the case of the outlet valve is closed, the pump continuous operation time shall not exceed 2min to prevent the magnetic actuator from overheating and failure; (4) In stressful systems.
In the clinical medical experiments usinghuman venous blood as specimensome take the serum from the specimen as the experimental object.The blood collection tubes suitable for this type of medical tests are called serum blood collection tube.
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