Can a vortex flow meter replace an orifice flow meter?

Abstract: Can a vortex flow meter replace an orifice flow meter? The information is provided to you by the excellent manufacturers of flowmeters and flowmeters. The following will introduce whether the vortex flowmeter can replace the orifice flowmeter: 1. The current technical level of the vortex flowmeter and the orifice flowmeter The basic structure of the vortex flowmeter is mainly amplified by the vortex generator, detection element, and signal processing. The circuit is composed, present for the vortex. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. Can the following vortex flowmeter replace the orifice flowmeter? Article details. The following is an introduction to whether the vortex flowmeter can replace the orifice flowmeter: 1. The current technical level of the vortex flowmeter and the orifice flowmeter Circuit composition, the current research on the vortex street generator has reached a fairly complete level, the triangle generator is the best type, and the detection elements include thermistors, strain gauges, piezoelectric crystals, differential capacitors, and ultrasonic waves. Many signal processing parts have been microcomputerized. The vortex flowmeter has the advantages of easy installation (can be installed directly on the pipeline), small size, strong interchangeability, and high long-term operation accuracy, and can be used for most liquid, gas and vapor measurements. At present, the sales of vortex flowmeters in the world market are increasing by about 30% every year. At present, the technical development level of the orifice flowmeter is still based on the established empirical formula. In 1980, the International Organization for Standardization merged the two standards of R541 and R781 into the standard ISO5167 (1980). Due to the advantages of simple structure, low cost and reliability, the orifice plate throttling device is suitable for almost all medium measurement, and the differential pressure transmitter matched with it has developed rapidly, making up for its own shortcomings. 2. Comprehensive performance evaluation of vortex flowmeter and orifice flowmeter The orifice flowmeter (orifice for short) is composed of a throttling pressure taking device and a differential pressure transmitter. The pressure guiding pipe needs to have heat tracing for places that are easy to freeze. There are about 20 static sealing points in a flow measurement loop. There are the following problems in use: easy to freeze, easy to block, easy to leak, heat tracing can easily cause the aging of the differential pressure transmitter device, and the pressure guiding pipe needs to be isolated in some cases. Due to heat tracing or unstable process operation, the isolation liquid lines of the positive and negative pressure guiding pipes are often unequal, resulting in liquid column difference, which makes the flow indication inaccurate. All of the above will change the flow coefficient and reduce the measurement accuracy. The pipe shortens the pressure guiding pipe and installs the differential pressure transmitter directly on the pipe, but there is still a dead zone of flow. Vortex flowmeter (referred to as vortex street) has only 3 static sealing points, which is not easy to leak, has no dead zone of flow, does not need heat tracing and insulation, and is not affected by fluid weight, temperature, pressure, and viscosity, and the flow coefficient remains unchanged for a long time. . However, when the vortex street is used in a vibration situation, the flow measurement will be inaccurate. At present, anti-vibration vortex street has been launched on the market to overcome the influence of vibration on inaccurate flow measurement. Instrument: Orifice flowmeter, vortex flowmeter, V-cone flowmeter The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Can the vortex flow meter replace the orifice flow meter? 》

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