Vortex flowmeters are mainly used for flow measurement of industrial pipeline fluids, such as gas, liquid, steam and other media. It is mainly used in the industrial environment. Compared with the whole country, Guangdong’s main economic indicators are mostly higher than those of the whole country. It continues to play an important role in contributing and supporting the national economic growth. The industry is even ahead of the major provinces in the country, so the production vortex There are many manufacturers of street flow meters. Many customers in Guangdong will have a question when they buy vortex flowmeters. With so many vortex flowmeter manufacturers in Guangdong, which one is better? ? Choose a good vortex flowmeter manufacturer to get a better quality vortex flowmeter, so it can also avoid a lot of unnecessary troubles caused by quality problems when using it. Before thinking about this problem, First of all, we must understand the principle of use of the vortex flowmeter and the applicable media and occasions, and a sufficient understanding of the product, so as to avoid being fooled by some unscrupulous manufacturers when purchasing a vortex flowmeter. The principle of vortex flowmeter: The vortex flowmeter is a volume flowmeter that measures the volume flow of gas, steam or liquid, the volume flow rate or mass flow rate of standard conditions according to the Kármán Vortex Street principle (Kármán Vortex Street). It can be used as a flow transmitter in automation control systems. The vortex flowmeter uses the principle of fluid oscillation to measure the flow. When the fluid passes through the vortex flow transmitter in the pipeline, two rows of vortices proportional to the flow velocity are alternately generated up and down after the vortex generator of the triangular column. The release frequency of the vortex is proportional to the flow rate. The average velocity of the fluid flowing through the vortex generator is related to the characteristic width of the vortex generator, which can be expressed by the following formula: where: is the release frequency of the vortex, in Hz; v is the average velocity of the fluid flowing through the vortex generator, in m /s; d is the characteristic width of the vortex generator, in m; St is the Strouhal number, dimensionless, and its numerical range is 0.14-0.27. St is a function of Reynolds number, . When the Reynolds number Re is within the range of , the value of St is about 0.2. In the measurement, try to satisfy the Reynolds number of the fluid at , at this time the vortex frequency is . Thus, by measuring the vortex frequency, the average velocity v of the fluid flowing through the vortex generator can be calculated, and then the flow rate q can be calculated by the formula , where A is the cross-sectional area of u200bu200bthe fluid flowing through the vortex generator. Measurable medium: After the principle is clear, it does not mean that a suitable vortex flowmeter can be selected. More importantly, it should be selected according to the on-site working conditions and the measured medium, and measure the medium flow rate, meter range and caliber. When measuring general media, the full-scale flow rate of the vortex flowmeter can be selected within the range of 0.5-12m/s of the measured medium flow rate, and the range is relatively wide. The instrument specification (caliber) selected is not necessarily the same as the process pipeline. It should be determined whether the measurement flow range is within the flow rate range, that is, when the flow rate of the pipeline is low and cannot meet the requirements of the flow meter or when the measurement accuracy cannot be guaranteed at this flow rate, It is necessary to reduce the diameter of the meter to increase the flow velocity in the pipe and obtain satisfactory measurement results. There are many vortex flowmeter manufacturers in Guangdong. When choosing, not only consider the quality of the product, but also consider the development history of the manufacturer and after-sales service. I believe no one will choose one to sell the product only. Here, I would like to give you a recommendation, Kaidi Sensing Technology Co., Ltd. Relying on advanced technology and innovation capabilities at home and abroad, the company continues to make breakthroughs and innovations in various fields. The company has developed a complete process automation instrumentation production line, providing customers in various fields with process automation instruments including flow meters, pressure transmitters, temperature
sensors, water quality detectors, and paperless recorders. Kaidi Sensing has accumulated more than 100,000 users with its high-quality products and technical services. In a number of fields, it has realized the demands of reducing costs and reducing energy consumption for customers, and has improved the core competitiveness of the customer's enterprise. Moreover, Kaidi Sensing uses SF Express to deliver the vortex flowmeter to the customer as soon as possible. In order to improve product quality, Kaidi Sensing introduced high-precision detection devices and set strict factory inspection specifications for the company's products. Choosing Kaidi means you choose to rest assured!
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