What is the measurement range of the DN50 vortex flowmeter?

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1. What are the types of mass flow meters?

2. How to convert cubic meters per hour to tons per hour for vortex flow meters?

Multiply the volumetric flow rate by the density of the medium to obtain the mass flow rate. Because different media have different densities, except for water, which can weigh one ton per cubic meter of water, other materials are not suitable. Zhengweixiang

3. How to convert the range of a vortex flowmeter into the mass of steam

The core of measuring steam mass flow rate with a vortex flowmeter is to simultaneously monitor flow rate and operating parameters, and achieve conversion through density compensation calculation.

1. Conversion principle and formula: The vortex flowmeter directly measures the operating volume flow rate of steam (unit: m ³/h).

. To obtain the mass flow rate (unit: kg/h), the core formula is: mass flow rate=volume flow rate x fluid density. Therefore, the key to conversion is to accurately obtain the real-time density (ρ) of steam under the measurement state (i.e. current temperature and pressure).

2. Implementation Path and Technical Scheme According to the steam state and measurement requirements, there are mainly two technical schemes

1. The mass conversion of saturated steam. The density (ρ) of saturated steam is a single value function of its pressure or temperature.

. Knowing one of the parameters, the density can be determined by querying the "Saturated Vapor Density Table" (IAPWS-IF97 formula). *Option 1 (Pressure Compensation): Install a pressure transmitter nearby downstream of the flow meter to measure the steam pressure (P), and calculate the density (ρ) based on the pressure value by referring to a table The unit of vortex flowmeter

or calculating. *Option 2 (temperature compensation): Install a temperature sensor (such as PT100) to measure the steam temperature (T), and obtain the density (ρ) by looking up the temperature value in the table. *Preferred solution: Pressure compensation is commonly used in engineering. Because the linearity of the pressure density relationship curve of saturated steam is better, and the pressure measurement response is faster, it is less affected by the installation position and usually has higher measurement accuracy than temperature compensation

2. The conversion of the mass of superheated steam to the density of superheated steam is a function of both pressure and temperature, and both parameters must be monitored simultaneously. *Solution: Both pressure transmitter and temperature sensor need to be installed simultaneously. Connect the two signals together with the flow meter signal to the flow integrator (or transmit them to PLC/DCS through communication). The integrator has a built-in mathematical model (following the IAPWS-IF97 industrial formula), which calculates the accurate density (ρ) based on real-time P and T values, and then performs multiplication to obtain the mass flow rate.

III. Key Equipment and Parameter Configuration To achieve high-precision measurement, the following equipment needs to be configured and set the correct parameters: | Equipment Name | Key Functions | Selection/Configuration Points | |: --- |: --- | | | | | | Vortex Flow Meter | Measurement of Operating Condition Volume Flow Rate | Ensure that the range covers the minimum and maximum steam flow rates; The instrument coefficient K (pulse count/m ³) is set accurately. ||Pressure transmitter | measures steam pressure | t

What is the measurement range of the DN50 vortex flowmeter?

1. What are the types of mass flow meters?

2. How to convert cubic meters per hour to tons per hour for vortex flow meters?

3. How to convert the range of a vortex flowmeter into the mass of steam

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