How to maintain the turbine flowmeter in summer

How to maintain the turbine flowmeter in summer? It is widely used in measurement and control systems in petroleum, chemical industry, metallurgy, scientific research and other fields. It is a sensor that uses a turbine for flow measurement. The working principle of the turbine flow sensor is that when the fluid flows through the sensor housing, because the blade of the impeller has a certain angle with the flow direction, the impulsive force of the fluid makes the blade have a rotational moment, which overcomes the frictional moment and the fluid. After the resistance, the blade rotates, and the speed is stable after the short force balance. Under certain conditions, the speed is proportional to the flow velocity. Because the blade has magnetic conductivity, it is in the magnetic field of the signal detector. The rotating blade cuts the magnetic field line and changes periodically. The magnetic flux of the coil touches the coil, so that the two ends of the coil induce an electric pulse signal, and the signal is amplified and shaped by the amplifier to form a continuous rectangular pulse wave with a certain amplitude, which can be transmitted to the display instrument remotely to display the instantaneous flow and cumulative flow of the fluid. quantity. Turbine flow sensors are widely used in the measurement of petroleum, organic liquids, inorganic liquids, liquefied gas, natural gas and cryogenic fluids. The maintenance of the turbine flowmeter should pay attention to the following points 1. When using it, the measured medium should be kept clean and free of impurities such as fibers and particles. 2. When the turbine flowmeter starts to be used, the sensor should be slowly filled with the medium , and then open the outlet valve, and the sensor is strictly prohibited from being impacted by high-speed fluid when it is in the state of no medium. 3. The maintenance cycle of the turbine flowmeter is generally half a year. When overhauling and cleaning, please be careful not to damage the parts in the measuring chamber, especially the impeller. When assembling, please pay attention to the positional relationship between the guide and the impeller. 4. When the turbine flowmeter is not in use, the internal medium should be washed and dried, and a protective cover should be added to both ends of the sensor to prevent dust from entering, and then stored in a dry place. 5. The matching filter should be cleaned regularly, and the internal medium should be cleaned when not in use. Like the sensor, add a dust cover and store it in a dry place. 6. Before installing the sensor, use mouth blowing or manually turn the impeller to make it rotate quickly to observe whether there is a display, and install the sensor when there is a display. If there is no display, you should check the relevant parts to troubleshoot. How to maintain the turbine flowmeter in summer? Be careful not to expose the flowmeter to strong sunlight for a long time. Sunshade protection measures should be taken to avoid damage to the internal circuit parts of the meter and affect the flowmeter. Makes life and accurate metering.

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