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The natural gas flow standard device is a standard device for large flow of pressurized gas using natural gas as a test medium. It provides an important test method for unifying the magnitude of large flow of pressurized gas in China and solving the problem of natural gas transmission in urban gas pipelines. China's research on solid natural gas flow devices has also undergone multiple stages. Earlier, the Chongqing Flow Detection Technology Research Institute solved a large number of natural gas and gas pipelines on the pipeline in order to solve the problem of gas flow measurement on the gas pipelines in cities. After years of exploration, the meter development value research has successfully developed a natural gas flow standard device. This is China's first self-designed and manufactured gas flow standard device. Under the technical appraisal of national traffic experts organized by the State Bureau of Technical Supervision, it has been recognized as having reached the international advanced level.
Subsequently, the research on natural gas flow devices has been continuously upgraded, and there are large-flow gas meters online solid flow detection standard devices and high-pressure natural gas flow standard devices. Subsequently, China Petroleum and Natural Gas Metering Corporation established the Nanjing Metrology and Test Center of the West-East Gas Pipeline Co., Ltd. The center is based on the West-East Gas Pipeline Project. The main task is to implement the real-time flow of high-pressure, large-diameter natural gas flowmeters used on gas pipelines. Verification, and as the country's high-pressure, large-flow natural gas flow measurement department, to carry out the flow of value transmission work and participate in international comparison. This solution solved the problem of real-flow verification of high-pressure, large-diameter natural gas flowmeters, providing a standard guarantee for later research work conducted by scientific research institutes.
In the near future, a new product for natural gas flow devices has been researched. Zhejiang Metrology Institute has continuously explored and developed the first set of piston-type natural gas flow devices in China and it has been successfully put into use by enterprises. It is reported that the device is based on the piston type principle and forms a totally enclosed structure. Similar to the principle that the natural gas flows through the device and returns to the gas pipeline in a standard device with pressure gas flow, the natural gas can circulate back and forth. It not only ensures the safety of use, but also ensures the accuracy of the device, which can help the development and upgrade of new products for gas meters.
It is understood that the device is currently in the stage of applying for invention patents to the country.
Flow measurement instrument again new natural gas flow device new
[China Instrument Network Instrument R&D] There are many types of flow measurement technology and instruments, and the measurement objects are complex and diverse, which determines the complexity of the application of flow measurement instruments. As the most important link in the transmission of flow value or traceability, the real flow verification method is commonly used in the measurement of natural gas pipelines. Facing the market demand, the research institutes have continuously researched and improved natural gas flow devices.