Basic knowledge of magnetic pump

The magnetic drive centrifugal pump (referred to as the magnetic pump ) is based on the principle of modern magnetism, that is, when the motor drives the outer rotor (ie, the outer magnetic steel) assembly to rotate, the magnetic field passes through the isolating sleeve to drive the inner rotor (ie, the inner magnetic steel) through the action of the magnetic field. The assembly and the impeller rotate synchronously. Because the medium is enclosed in the static isolation sleeve to achieve the purpose of leak-free pumping medium, the shaft seal leakage of the mechanical transmission pump is completely solved, and the design is completely sealed, leak-free and pollution-free. Industrial pumps. In addition, the magnetic pump is also an ideal pump for eliminating safe, civilized production in the chemical process to eliminate run, run, drip, and leak, eliminate environmental pollution, and create a “leak-free workshop” and a “leak-free factory”. Magnetic pump is widely used in the production process of petroleum, chemical, pharmaceutical, printing and dyeing, electroplating, food, environmental protection and other enterprises to transport corrosive liquids without iron filings, especially suitable for flammable, explosive, volatile, toxic and valuable. Delivery of liquids.
In the petrochemical industry, more and more manufacturers are demanding a leak-free process environment for their transport media, in some special occasions, such as conveying hot oil or with granular media (such as sewage treatment), and chemical production. In the process, it is more urgent to choose the ideal leak-free pump type. MT-MSP series magnetic transmission high-temperature multi-stage pump and magnetic pump product series with suspension separator solve the technical problem of conveying high temperature (350 °C) and granular medium which has not been solved by conventional magnetic pump , and can directly replace machinery. Transmission IH type chemical pump . The MT series of magnetic pumps have been tested in a long-term, continuous production process, and users can be sure that they have chosen a safe and reliable pump type.
I. Transmission principle The magnetic pump is a new pump type that uses the working principle of the magnetic coupling to transmit torque without contact. When the motor drives the outer magnetic rotor to rotate, the inner magnetic rotor and the impeller rotate synchronously by the action of the magnetic field. To achieve the purpose of pumping liquid, it is a fully sealed, leak-free pump type because the liquid is enclosed in a stationary isolator.
Second, the characteristics of the magnetic pump Cancel the mechanical seal of the pump, completely eliminate the inevitable run, run, drip, leak of the mechanical seal centrifugal pump, is a good choice for the leak-free factory. Since the overcurrent components of the pump are made of stainless steel and engineering plastics, corrosion resistance is achieved. The pump's magnetic coupling and pump body are integrated into one, so the structure is compact, easy to maintain, safe and energy-saving. The magnetic coupling of the pump acts as an overload protection for the drive motor.
Third, the magnetic pump uses magnetic pump with its full sealing, no leakage, corrosion resistance, widely used in petroleum, chemical, pharmaceutical, electroplating, environmental protection, water treatment, film and television printing, national defense and other departments used to pump flammable, explosive , toxic and valuable liquids, is the ideal pump to create a leak-free, pollution-free civilized workshop, civilized factory.
Fourth, the density of magnetic magnetic pump working conditions pumping medium is not greater than 1300kg / m3, viscosity of less than 30 × 10-6m3 / ferromagnetic free liquids and fibers of S. The rated temperature of the conventional magnetic pump is metal or F46 lining for the pump body, the high operating temperature is 80 ° C, the rated pressure is 1.6 MPa, the temperature of the high temperature magnetic pump is ≤ 350 ° C; for the pump body is non-metallic material, zui high The temperature does not exceed 60 ° C and the rated pressure is 0.6 MPa.
For liquids with a transport medium density greater than 1600 kg/m3, the magnetic coupling needs to be designed separately.
The bearing of the magnetic pump is lubricated and cooled by the medium to be transported, and the drum magnetic pump is strictly prohibited from running at no load.

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