Methods of selecting flow meters in different fields

Abstract: The information on the method of selecting flowmeters in different fields is provided by excellent flowmeter and flowmeter manufacturers and quotation manufacturers. 1. Sewage treatment Sewage is divided into domestic sewage and industrial sewage. Sewage is a solid-liquid mixed fluid. Due to the complex components, industrial sewage is corrosive and difficult to measure. Most instruments cannot measure it. Theoretically ultrasound can be applied, time difference ultrasound. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following are the details of the article on the selection of flowmeters in different fields. 1. Sewage treatment Sewage is divided into domestic sewage and industrial sewage. Sewage is a solid-liquid mixed fluid. Due to the complex components of industrial sewage, it is corrosive and difficult to measure. Most instruments cannot measure it. Theoretically, ultrasonic waves can be applied, but the time difference ultrasonic flowmeter has been rarely used due to its poor measurement effect in the application process; High and rarely used. The main application instruments for sewage treatment are electromagnetic flow, and a small amount of open channel flow meters. 2. Chemical industry The chemical industry is the most widely used industry for flow meters, and various types of flow meters have their own applicable occasions. 1. When measuring viscous oil medium, the positive displacement meter has a good application and measurement effect; 2. When measuring air, steam and other gases, the vortex flowmeter is most commonly used, and V-cone, orifice plate, etc. are also used. The application of DP instrument; 3. To measure all kinds of light oils, such as diesel, gasoline, non-corrosive chemical solvents, etc., turbine flowmeter is the first choice; Large-scale enterprises use mass flow meters; 5. Metal rotor flow meters are also widely used in the chemical industry, mainly used in the measurement of small flow and process control; 6. In the measurement of chemical sewage, electromagnetic flow meters are currently the most popular. choose. *Explosion-proof is a must for all chemical measuring instruments. 3. Food and pharmaceutical industries 1). Sanitary electromagnetic flowmeter mainly measures clean water, juice, emulsion, liquid medicine, etc. It is usually a clamp-type connection, which is convenient for disassembly and cleaning; the material is stainless steel, and the lining is high temperature resistant FEP, PFA, etc. Because there is no dead angle on the structure, it is convenient for high temperature disinfection, and it is the most widely used. 2). The vortex flowmeter mainly measures steam, water, beer, edible oil, etc. The material is stainless steel and is clamped by flange, which is easy to use. The disadvantage is that the accuracy is slightly worse than that of electromagnetic flowmeters. 3). Turbine flowmeters At present, some manufacturers have introduced sanitary turbine flowmeters, most of which are flange-mounted, and also have clamp-type structures. The measurement accuracy is equivalent to that of electromagnetics. Due to oil prohibition, sealed bearings must be used, which must be replaced regularly. 4). Mass flow meters are also used in occasions where the measurement accuracy is very high. For example, in the filling process, for the measurement of CO2, many sanitary thermal mass flow meters are used. Characteristics of flowmeters in the food and pharmaceutical industry: 1. High measurement accuracy requirements; 2. The meter body is made of stainless steel, which is anti-corrosion and rust-proof; 3. The quick-loading structure is convenient for cleaning and maintenance. Conclusion From the above, it can be seen that although the flowmeter has become more and more mature today, its types are still extremely wide, and there is still no flowmeter suitable for any occasion. Each flowmeter has its scope of application and limitations. This requires us: (1) When choosing an instrument, we must be familiar with the situation of the instrument and the measured object, and take into account other factors, so that the measurement will be accurate; (2) strive to develop new instruments to make them in The existing foundation is more perfect. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Methods for Selecting Flow Meters in Different Fields'

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