Electromagnetic flowmeter maintenance knowledge information

Electromagnetic flowmeter is widely used in sewage, wastewater treatment, such as water conservancy projects, research and development of electromagnetic flowmeter in the middle of the 20th century, and in the seventies and s is widely used in industrial production process. Its operation principle is based on Faraday's law of electromagnetic induction, that is perpendicular to the lines of magnetic force measured medium flow direction, and in a direction perpendicular to the medium flow and magnetic field lines are on the induced electromotive force. Inductive electromotive force and the measured medium is direct proportion relationship between flow, flow rate and pipe cross-sectional area can be used to draw the instantaneous flow. The electrical conductivity of water is one of the precondition of electromagnetic flowmeter can work normally, wastewater contains a large number of impurities and salt, has a certain electrical conductivity, so the electromagnetic flowmeter measurement can be used in sewage. For the pure water, cannot use of electromagnetic flowmeter measurement. The use of electromagnetic flowmeter advantage of high precision, stable measurement, wide applicable scope, can choose types according to the electrodes and the lining, can also be used to complete the measurement work in bad medium; Defect is vulnerable to electromagnetic interference, pipe diameter, the greater the price is more expensive, and large diameter electromagnetic flowmeter is not easy to tear open outfit, maintenance difficulties.

In the past few decades, u shape coriolis mass flow meter production has increased because of the use of mass flow meter.

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The stability of the system, controllability of the electromagnetic flow meter slurry process, and mobility of the machines provide with a flexible and reliable mass flow meter system.