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    V cone flow sensor unique three advantages
    2016-12-02 10:56
           V cone flow sensor is widely used in various industries. V cone flow sensor is very popular with the customers, this is mainly because of its unique advantages. Mainly the following three aspects. Straight pipe requirements is low, pollution resistance, not easy to plug, differential pressure value is big, range than wide.
          V cone-shaped flow sensor adopts the unique in the center of the pipe streamline V cone throttling structure design, before the testing flow, at the same time to rectification of irregular flow of fluid, without any increase in fluid of rectifier plant, skillfully solve the problem of fluid rectifier. Hanging at the centre of the streamline cone can reshape the velocity curve, in close to the cone of upstream and downstream narrower area, directly rectifier irregular liquid will flow into ideal liquid, can fully meet the requirements of the Bernoulli's theorem, to obtain high measurement precision and repeatability. Don't need a very long straight pipe rectifier, which in the process of flow sensor installation has very important significance. A coking gas plant using liquefied petroleum gas V cone flow sensor during the installation process, due to the site conditions, flow sensor before and after the straight distance is 1000 mm and 600 mm respectively, but the flow sensor can still normal and stable operation.
           Cone-shaped flow sensor has since the purging type structure design characteristics of the stranded dead zone. Medium flows through the cone will accelerate, and constantly scour barotropic pressure hole, the outer wall of the cone and cone near the pipe wall, and the suction hole was a little not flow medium, smudgy impurities into not to go, so V cone flow sensor can be used for all kinds of dirt medium containing impurities, easy to crystallization, V cone flow sensor is especially such as coke oven gas and producer gas medium. Greatly reduces the maintenance workload of instrument, improves the veracity and reliability of the gas flow measurement.
           Suitable for low velocity medium flow measurement. In the process of coking plant gas flow measurement, the characteristics of the measured object is large pipe diameter, low pressure, slow velocity, orifice flow sensor generally equipped with differential pressure transmitter, differential pressure of flow sensor signal is small. And because V cone-shaped flow sensor is similar to the throttling orifice plate, the differential values greater than the average tube flow sensor, relative orifice, because is gradually shrinking pipe edge, small resistance loss, resulting in resistance loss, under the condition of same design can be used when the differential value bigger V cone flow sensor, 5 V cone flow sensor measuring values were greater than the gas jet lag pressure orifice differential pressure value of the measurement. Improve the differential pressure signal, create conditions for transducer calibration, and improve the measuring precision of the system.
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