Selection of urban natural gas flow meter

Abstract: The selection information of the urban natural gas flow meter is provided by the excellent flow meter and flow meter production and quotation manufacturers. one. According to the previous data, the development of world energy was the peak period of coal in the 1920s, which accounted for more than 70% of the energy. From the 1970s to the 1990s, oil replaced coal, and oil accounted for 30% of the energy. 40% will be driven by natural gas by the early 21st century. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following are the details of the selection articles of urban natural gas flowmeters. one. According to the previous data, the development of world energy was the peak period of coal in the 1920s, which accounted for more than 70% of the energy. From the 1970s to the 1990s, oil replaced coal, and oil accounted for 30% of the energy. 40%, by the early 21st century, natural gas will gradually replace oil, and the percentage of natural gas in power is predicted to exceed 50%. The replacement and replacement of power has its own internal and external reasons. The internal reason is that oil production has risen slowly in the past 20 years, while natural gas has increased rapidly. From 1970 to 1996, the world's annual natural gas production more than doubled, while oil production. Production remained basically unchanged. It is said that the world still has abundant natural gas resources, which has laid a solid foundation for the development of the natural gas industry. The external reason for power replacement is that natural gas is an efficient, clean fuel and high-quality chemical raw materials, which greatly attracts users. The sharp deterioration of urban conditions is the biggest driving force behind the innovation of power structure. Vehicle exhaust emissions have reached the level of disgust, and the frequent occurrence of urban acid rain advises people that they can no longer maintain the original power structure. my country is a big country with rich natural gas capital. According to estimates, the prospective natural gas reserves are 38 trillion cubic meters, and the currently proven reserves are 1.6 trillion cubic meters. However, the development of the natural gas industry has been seriously lagging behind for a long time. As of this year, the output is more than 20 billion cubic meters, accounting for only 2% of the energy consumption structure (compared to more than 20% in the world). Very disproportionate. Recently, the authorities have attached great importance to the development of the natural gas industry, and have made serious policy decisions.“West-East Gas Pipeline”The start of my country's power structure has opened the curtain of serious adjustment of China's power structure. The city is the end user of natural gas application. Among the urban users, there are both industrial enterprises and urban public properties. It is a scattered user group. A major problem that must be dealt with in the use of natural gas is the natural gas flow metering system that needs and supplies to meet the requirements of the socialist market economy. Flow measurement is not only the basis for commercial settlement on both sides of natural gas supply and demand, but also the primary technical goal of gas consumption efficiency in the production part. In the production and operation management of enterprises, flow measurement is a daily and important technical basic task. Accurate flow measurement can timely improve the production process, improve product quality, reduce product cost, ensure safe production, rational operation management, and improve economic and social benefits. Everyone currently sees austerity on natural gas as a fuel for vehicles and for urban businesses and utilities. Replacing coal with gas as the fundamental fuel is the basic way to improve the quality of urban conditions. These parts all require flow measuring instruments suitable for user requirements. Because users are extremely messy and have various requirements for flow meters, the diversification of flow meter products is an inevitable trend. Then comes the question of how to choose the right instrument among such various types of flowmeters. The natural gas flowmeter for urban use and the natural gas flowmeter used for commercial settlement of long-distance pipelines have different requirements. The measurement objects it needs to deal with are generally low pressure (below 1.6MPa), medium and small flow (below DN200), and installation premise ( The length of the straight pipe section is short), the management and maintenance strength is weak, the function is simple and easy to understand, the operation is convenient, maintenance-free, and the price is moderate. In order to meet the above requirements, although there are many mature instruments, many development tasks are still required to meet the requirements of users.“Conform to the market and always work hard”Should be the motto of the manufacturer. two. Introduction to natural gas flowmeters The flowmeters that have been used or will be put into use generally have the following types: differential pressure flowmeters, turbine flowmeters, fluid vibration flowmeters, positive displacement flowmeters, ultrasonic flowmeters, target flowmeters and Mass flowmeter, etc. 1. Differential pressure flowmeter: including testing parts to save installation and uniform velocity pipes, etc. It is a type of flowmeter with a long history of use, rich and mature theoretical experience, perfect standards (except for the uniform velocity tube), and complete types and specifications. Before the 1950s, it could be the only natural gas flowmeter. It has many shortcomings: such as ordinary measurement accuracy, high premise requirements for field devices, large pressure loss, narrow limitations, etc.

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