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[Chemical Knowledge]：Coriolis Mass Flowmeter -- A Comprehensive Analysis from Principle to Application

Read： 733 Time：13months ago Source：Transform the World with Simplicity

Coriolis mass flowmeter is a new type of flow measurement instrument, it is the industry to deal with chemical, petrochemical, paper and other industries to measure an ideal option. Coriolis mass flowmeters measure the mass or density of substances in a fluid by means of quantification, which is different from the traditional volume measurement method. This article will be from the following aspects to fully analyze the principle of Coriolis mass flowmeter.

1. basic structure

Coriolis mass flowmeter is divided into sensor, signal converter, data processor three parts. The sensor part is usually composed of a group of pressure measuring devices and thermocouples. The signal converter is responsible for processing the analog signal generated by the sensor part, filtering amplification, digitization, etc. Finally, the data processor will receive the flow value and temperature value collected by the signal converter, and finally calculate the mass flow (kg/h).

2. Measurement principle

Coriolis mass flowmeter is a high-precision flowmeter that relies on brass tubes as sensors. During use, the fluid flows through the brass tube in a spiral flow pattern, which allows the fluid to be subjected to both pressure and temperature measurements during the flow. In turn, the Coriolis mass flowmeter can use the Pollitt's law in physics to substitute the data of pressure measurement and temperature measurement into the formula to calculate the mass flow of the fluid.

3. Advantages and Disadvantages

The biggest advantage of the Coriolis mass flowmeter is that it can accurately measure the compounds contained in the fluid and the mass flow of various carriers including gases. In production practice, it has been widely used in petroleum, chemical, pharmaceutical and other fields. However, Coriolis mass flowmeters are expensive to use and therefore require careful selection.

4. Application Scenario

Coriolis mass flowmeter is more and more used in petrochemical, natural gas, chemical and other production fields. It can be used for fluid measurement in various states, such as single-phase flow, gas-liquid two-phase flow and multiphase flow oscillation. Coriolis mass flowmeter has also been widely used in offshore production platforms and offshore engineering. They can be in the oil and gas storage, transportation and other aspects of accurate measurement, improve production efficiency, reduce energy consumption.

Coriolis mass flowmeter has been widely used in production practice, its advantages are obvious, the use cost is gradually reduced, I believe that with the continuous improvement of technology, it will be applied in a wider range of fields. I hope this article can help you understand the Coriolis mass flowmeter.

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