Comparison of Verabar flow meter with several gas flow meters

Abstract: The comparison information between the Verabar flowmeter and several gas flowmeters is provided by the excellent flowmeter and flowmeter manufacturers and quotation manufacturers. Large-diameter gas flow measurement has always been a difficult point in energy measurement. In the past, orifice plates, venturi tubes, Verabar flowmeters, gas ultrasonics, thermal mass flowmeters, etc. were used as detection elements in practice. But they mainly have the following problems: Holes. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following are the details of the comparison article between Verabar flowmeters and several gas flowmeters. Large-diameter gas flow measurement has always been a difficult point in energy measurement. In the past, orifice plates, venturi tubes, Verabar flowmeters, gas ultrasonics, thermal mass flowmeters, etc. were used as detection elements in practice. But they mainly have the following problems: orifice plates and venturis mainly exist: ① large resistance loss; ② pressure-taking holes for measuring dirty media are easily blocked; It is impossible to change; ④ The orifice plate with a diameter larger than 1.0m is not within the support range of the national standard (GB/T2624-93). Therefore, the application of orifice plate and venturi in the gas measurement of metallurgical enterprises is not ideal. Verabar flowmeter and gas ultrasonic are a kind of plug-in flowmeter that can be installed online without gas, which brings great convenience to installation and maintenance. However, because the converter gas contains a lot of dust and water vapor, there is a micro-flow of fluid between the pressure-taking holes on the upstream surface of the Verabar flowmeter, which leads to the blockage of the pressure-taking holes. Gas ultrasonic is also because the converter gas contains a lot of dust and water vapor, and the probe is easy to form fouling, resulting in reflection and diffraction of sound waves, resulting in inaccurate measurement and large fluctuations. The Verabar flowmeter and gas ultrasonic wave originally used in the converter gas measurement of our company's* steelmaking plant all have this problem. In the most serious cases, they need to be disassembled and cleaned every week, which brings a lot of maintenance and loss of measurement data. Thermal mass flow meters can also be installed online without stopping, but also because the converter gas contains a lot of dust and water vapor, the thermal conductivity of the actual converter gas has changed a lot, which results in inaccurate measurement. If there is dust accumulation on the sensor, this is equivalent to wearing the sensor“padded jacket”, making the measurement low; if there are water droplets on the sensor, this will give the sensor“cool down”, making the measured value too large. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Comparison of Verabar Flow Meter with Several Gas Flow Meters'

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