Comprehensive Analysis of Technical Level of Vortex Flow Meters

Abstract: The comprehensive analysis information of the technical level of the vortex flowmeter is provided by the excellent flowmeter and flowmeter manufacturers. Abstract: The overall comprehensive technical level of the instrumentation industry has reached the international level in the mid-1980s. Microelectronic technology and computer technology are widely used in instrumentation products. About 15% of the products are intelligent, reaching the international level in the 1990s; 30% of the products accomplish. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following is a comprehensive analysis of the technical level of vortex flowmeters. The overall comprehensive technical level of the instrumentation industry has reached the international level in the mid-1980s. Microelectronic technology and computer technology are widely used in instrumentation products. About 15% of the products have achieved intelligence, reaching the international level in the 1990s; 30% of the products have achieved Digitalization, reaching the international level in the late 1980s. This paper mainly introduces the development status of domestic vortex flowmeters. Vortex flowmeter is the youngest type of flowmeter, but it has developed rapidly and has now become a common type of flowmeter. Vortex flowmeter can be divided into: stress type, strain type, capacitive type, thermal type, vibrating body type, photoelectric type and ultrasonic type according to the frequency detection method. Vortex flowmeter is the youngest type of flowmeter, but it has developed rapidly and has now become a common type of flowmeter. The overall comprehensive technical level of the instrumentation industry has reached the international level in the mid-1980s. Microelectronic technology and computer technology are widely used in instrumentation products. About 15% of the products have achieved intelligence, reaching the international level in the 1990s; 30% of the products have achieved Digitalization, reaching the international level in the late 1980s. The comprehensive service capacity is significantly improved: it can undertake 300,000, so this article mainly introduces the development status of domestic vortex flowmeters. The development status of domestic vortex flowmeters: Vortex flowmeters are instruments that place a bluff vortex generator in the fluid, and the fluid is alternately separated on both sides of the generator to release two strings of regularly staggered vortexes. The advantages of domestic vortex flowmeters: (1) simple and firm structure; (2) suitable for many types of fluids; (3) high precision; (4) wide range; (5) small pressure loss. Disadvantages of domestic vortex flowmeters: (1) It is not suitable for low Reynolds number measurement; (2) Long straight pipe sections are required; (3) The meter coefficient is lower (compared with turbine flow meters) (4) The meter is in pulsating flow , There is still a lack of application experience in multiphase flow. The development status of domestic vortex flowmeters After half a century of development, reliability research and application has become an engineering technology discipline that covers all disciplines and industries, and has developed from the reliability of electronic products to the reliability of mechanical and non-electronic products. , from the reliability of hardware to the reliability of software, from the emphasis on reliability statistical tests to the emphasis on reliability engineering tests, through environmental stress screening and reliability enhancement tests to expose product failures and improve product reliability. According to Professor Shi Zhenshan of the Institute of Comprehensive Technology and Economics of Instrumentation in the Machinery Industry, in actual use, the user's response is mainly the stability and reliability of the product. Reliability research and application has a long history and glorious tradition in the instrumentation industry. In 1981, the former State Administration of Instrumentation Industry proposed to carry out exploratory experimental research with ddz-2 temperature transmitter and vortex flowmeter as typical examples, to carry out reliability assessment and test work, and to explore the methods, approaches and effects of reliability application. . Through the improvement, the reliability index of the temperature transmitter is increased by 1.6 times, and the regulator is increased by 2.9 times. From 1986 to 1991, the former Ministry of Machinery Industry successively issued“Reliability indicators for instrumentation assessment within a limited time period”Announcement, more than 200 products in the 11 majors of instrumentation are included in the ministerial-level assessment category. Through the practice of this stage, a series of technical documents such as instrument reliability methods, working procedures, technical specifications, etc. have been formed, which has created conditions for carrying out reliability research, testing and assessment. In the 1990s, instrumentation mainly took the approach of introducing, digesting, attracting and re-innovating, focusing on the introduction of manufacturing technology rather than product design technology, resulting in a weak awareness of reliability. In addition, the reliability practices implemented in the planned economy era have become outdated, and new reliability concepts, methods and tools at home and abroad have developed rapidly, resulting in the narrowing gap with foreign countries. In 2008, vortex flowmeter reported that Wen Jiabao wrote an article 'Discussing the In-depth Implementation of the Scientific Outlook on Development' and pointed out that the current equipment manufacturing industry is lagging behind in development, product reliability is poor, and the complete set of capabilities is weak. We must change this situation as soon as possible, improve the R&D and design capabilities, manufacturing capabilities and integration capabilities of major equipment, develop major complete sets of equipment, high-tech equipment and equipment required for high-tech industries, and promote the greening, informatization and localization of equipment manufacturing. In September 2008, the development status of domestic vortex flowmeters was unanimously approved by China Instrumentation Management Society“Suggestions on Establishing National Laboratory for Instrument Reliability”, that the reliability of instruments and meters is in great need of the government's policy orientation and strong support. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Comprehensive Analysis of the Technical Level of Vortex Flow Meters'

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