What are the advantages of insertion thermal gas mass flow meters in measuring compressed air?
2021-06-24
What are the advantages of insertion thermal gas mass flow meters in measuring compressed air? Compressed air, that is, air compressed by external forces. Air has compressibility, the air compressor by the air compressor to do mechanical work to make its own volume reduction, pressure increase after the air is called compressed air. Compressed air is an important power source. Compared with other energy sources, it has the following obvious characteristics: clear and transparent, easy to transport, no special harmful properties, no fire hazard, not afraid of overload, can work in many unfavorable environments, air on the ground everywhere, inexhaustible.
Compressed air is the second largest power energy after electricity, but also has a variety of uses of the process air source, because it has a safe, harmless, good regulation performance, easy to transport and many other advantages, so that its application in the field of automation is becoming more and more widely used, such as: petroleum, chemical industry, metallurgy, electric power, machinery, light industry, textile, automobile manufacturing, electronics, food, pharmaceuticals, biochemical, national defense, scientific research and other industries and departments. Secondly, compressed air is an expensive energy power source, continue to reduce the overall operating costs of compressed air, is an important issue for every plant manager.
Undesirably, however, compressed air contains a considerable number of impurities, mainly: solid particles - in a typical big city environment each cubic meter of the atmosphere contains about 140 million particles, of which about 80% in the size of less than 2 μm, air compressor suction filters are powerless to eliminate. In addition, compressed air leaks are one of the most common forms of energy waste in factories. The average compressed air leak accounts for 30% of the entire compressed air volume, which means that tens of thousands of dollars in electricity costs are lost to leaks every year. Some leaks are so obvious that they not only make a lot of noise, but can even be detected by touch and sight. And some leaks are very hidden, in addition to the tiny not easy to hear the sound, "hidden" leaks often occur in the workplace background noise environment.
Compressed air flow is an important parameter to express the performance of air compressors, and is also an important parameter to measure in industrial processes. With the wide application of air compressors, the accurate measurement of its flow rate is crucial for product upgrading, industrial production process control and monitoring, as well as energy saving and emission reduction. The compressed air flow rate is the ratio of the quantity of compressed air flowing through a pass section in a short period of time to the passage time. The quantity of compressed air expressed in volume is called volumetric flow rate, and expressed in mass is called mass flow rate.
With the continuous development of science and technology, there are various measuring gas flowmeters on the market, such as vortex flowmeters, gas turbine flowmeters, precession vortex flowmeters, these products are their own characteristics, and there are some drawbacks in measuring compressed air, such as vortex flowmeters in vibration situations, the effect of use is not ideal, gas turbine downline measuring range is relatively high, range ratio is relatively loaded, and so on. So what are the advantages of Aister insertion mass flowmeters in compressed air?
Shanghai Aister ATMF series insertion thermal gas mass flowmeter is designed for gas monitoring and control of large pipelines, online installation will no longer be difficult, and more economical. The insertion mass flowmeter is equipped with a self-sealing valve, thus providing customers with an effective solution for gas measurement with the least interference. It is recommended to use on pipelines with diameter ≥150mm. All insertion mass flowmeters have an accuracy of ±(1.5+0.5FS)% and can be reached to higher standards according to customer requirements. The working temperature of the product is -20~+60 C, and the working pressure is 1.5MPa. The product can also be used in the production process of gas measurement and control, such as: oxygen, nitrogen, helium, argon, compressed air and other gases monitoring and control, in addition, can also be widely used in other fields.
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