Analysis on the verification technology of steam flow meter in my country

Abstract: Analysis of the verification technology information of steam flowmeters in my country is provided by excellent flowmeter and flowmeter manufacturers and quotation manufacturers. Analysis of the verification technology of steam flowmeter in my country The verification technology of steam flowmeter is still in the research stage in China, and some domestic production plants have successively established standard devices with steam as the working medium. However, due to factors such as high energy consumption and poor working conditions. For more flowmeter manufacturers to select models and price quotations, you are welcome to inquire. The following is the details of the technical article on the verification of steam flowmeters in my country. Analysis of the verification technology of steam flowmeter in China At present, the verification technology of steam flowmeter is still in the research stage in China, and some domestic production plants have successively established standard devices with steam as the working medium. However, due to factors such as high energy consumption and poor working conditions, efforts are being made to find new ways to use air as the working medium. After investigation, there are two main types of standard devices that use air as the working medium in China: one is the sonic nozzle type. Although the measurement accuracy of the device meets the measurement requirements, the device is relatively high, and each device is about 1 million. Practice has proved that the technology is feasible, but the investment cost and management and operation cost are huge, and it is impossible for general measurement and verification institutions to widely use it. The second is the fan orifice type. Although the cost of this device is not high, the accuracy is low. In addition, the pressure loss of this type of device is large, and the air source pressure is low, so the range often cannot meet the verification requirements. The national metrology department has confirmed this. In addition, some domestic units are also trying to use diesel flow to replace nozzles or orifices, but the use parameters are not yet mature. In order to solve the above problems of steam measurement verification, the Quality and Technical Supervision College of Hebei University participated in the development of the LDQ-KJ-100 gas flow standard device. For the first time, the diesel flowmeter was applied to the transmission of gas flow value, and a satisfactory result was obtained. 1. The device using diesel flow as the transmission standard has the advantages of wide range, small pressure loss, good repeatability, etc. It overcomes the defects of large pressure loss and insufficient range of other types of devices, and the cost is low. Its investment is a sonic nozzle device. get about 20%. 2. The main error term (system error) of the standard table is eliminated by the error tracking method, which greatly improves the measurement accuracy of the device. 3. Pass the air in the flow of steam——The steam conversion factor is determined by regression processing from a large number of experimental data, and the confidence is relatively high. By advancing technology, modernizing management, and standardizing services, Chaojie has become a high-quality manufacturer and supplier of development, production and service in the automation instrument industry. Data analysis and other aspects play a practical role. Be sure to meet customer needs and always challenge the purpose of continuous innovation and creation of safety and efficiency, providing better service and more advanced, refined and cutting-edge products. Quick-response technical communication, mature and perfect application solutions, cost-effective industrial control products, and honest and trustworthy full-service. We closely mesh these four elements to form a cyclical forward momentum, helping you from entrepreneurship to success, from success to leap, and from leap to glory. Sincerely look forward to becoming your reliable partner. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Analysis of the verification technology of steam flow meter in my country'

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