What factors affect the measurement accuracy of steam toll flow meters?

Project Overview

At present, steam charging vortex flowmeters are widely used in various aspects such as industrial production, energy measurement, transportation, biotechnology, and environmental protection and governance due to their simple structure, no moving parts, and small pressure loss. However, due to the special properties of steam, its measurement accuracy will be affected by some factors.

• The impact of changes in steam flow on measurement

  In domestic and industrial steam, the time and production tasks are different. The quantities are also different. When using a steam charging vortex flowmeter for measurement, you need to know the maximum turndown ratio of steam under flow conditions in advance in order to select a suitable vortex flowmeter for measurement to avoid incorrect or "loss of flow" when measuring low/high flow rate media.

• Density changes caused by changes in steam pressure and temperature

  The pressure and temperature in the steam pipeline are not static. Various reasons such as the amount of steam used by network users, pipeline load, and furnace operation will cause pressure changes and thus temperature changes. When measuring steam, it can be measured accurately through temperature and pressure compensation.

• The influence of steam dryness on saturated steam

  For the influence of saturated steam dryness, attention should be paid to the dryness The correction ensures high quality steam flow through the flowmeter. A steam-water separation device can be installed upstream of the flow meter to improve measurement accuracy.

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