Supply of electromagnetic pump

           The principle of electromagnetic pump

            Electromagnetic pump is the use of magnetic field and in the conductive fluid interaction, make the fluid by the electromagnetic force and pressure gradient, and a device to push the fluid motion. Mostly used for pumping liquid metal in the practical, so is also called the liquid metal electromagnetic pump. The role of electromagnetic pump is in the closed pipeline system to transmission of liquid metal, or other conductible liquid. In this sense, electromagnetic pump is familiar with rotating impeller drive equipment, the difference is the force generated in a different way. Drivers can use the right hand rule, when current flows through a conductor, will produce an induced magnetic field with metal solution produce induced current, induced current and magnetic field produce electromagnetic force, The force is the motive force of the molten metal movement, this force is not generated by mechanical components, and the metal solution not contact is the most important feature of electromagnetic pump.

           Electromagnetic pump has no mechanical moving parts, simple structure, good sealing, reliable operation, and don't need shaft seal, so in chemical, printing industry used to transport some toxic heavy metals, such as mercury, lead, etc. Used in nuclear power and nuclear fusion device transmit the molten nonferrous metals (sodium and potassium, sodium potassium alloy, lithium lead), more widely used in metallurgy transport molten nonferrous metal casting production. The flow rate can reach 13000 m/h, the pressure can reach 1.5 MPa, temperature is 1200 °C.

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