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The common fluids are: water with various impurities, various types of pulp, and oils; the applicable suspension solids content is generally greater than 10; the straight pipe section requires that 1.5 times the speed of the instrument should be taken; otherwise, it cannot be guaranteed 'The good flow state. The price of foreign ultrasonic flowmeters is generally higher than that of domestic ones. It can use the same probe side with the diameter of 6nm-7.6m, with an accuracy of 1%.
Ultrasonic flowmeters are widely used for liquid flow measurement in large pipelines. In the case of non-contact lateral volumes for certain high-temperature small pipelines, such as heavy oil and high-energy cooling water for nuclear power equipment, non-contact advantages can also be achieved. 2%FS accuracy.
The transducer consists of a transducer, a sonar, a sound leveler, and an installation mechanism. The transducer has a Jue judah above 1150°C. The sound search is an acoustic medium connecting the transducer and the piping. The sound speed and the attenuation rate should be moderate. .Heat-resistant performance is reliable, so Caichuan stainless steel or nickel; sound coupling device must make the vibrator and wedge, wedge and pipe stable in high basin conditions. Various high-temperature adhesive methods can be used and Figure 3 a 17 Show method.
For the most general use of Doppler ultrasonic flowmeter on the turbid liquid side, the necessary conditions for the measurement must be sufficient enough for the fluid to be measured to have suspended particles, bubbles or other pullers with reflective power.