Steam Quality Metering and Calorie Metering

Steam quality measurement and calorie measurement In the past, steam trade settlement, due to the backward measurement methods, the quality measurement method is still used at home and abroad. Although people have long questioned the rationality of this method, mass flow measurement is relatively simple, while heat measurement is difficult to implement in analog instruments, so mass measurement is still accepted by people. After the computer technology entered the flow meter, steam heat measurement and quality measurement became simple, so the voice of people to realize heat measurement has become a concrete action. Water vapor is the most commonly used heat carrier. However, in the process of its occurrence and transportation, state changes are unavoidable, and the steam, temperature and pressure at the outlet of the boiler or the outlet of the temperature and pressure reduction station always change to a certain extent, so the specific enthalpy of the steam (the heat contained in the steam per unit mass) ) changes accordingly. The more serious problem is that after the steam has been transported for a long distance, the grade of the steam will drop due to the loss of heat along the way. For example, at the outlet of the decompression station, the working condition of the steam is force^^. 0; the specific enthalpy at this moment is 3012.01^1/1^, and at the end user, the working condition may become the saturated steam of '^0^ 8^11^, and the specific enthalpy at this moment drops to 767.51^1/ 1^. Moreover, this working condition is not fixed. With the changes of seasons, weather, user load, etc., the steam pressure and temperature in the pipeline are always changing. The biggest disadvantage of adopting the quality measurement method is the end user. The quality measurement method is not always cost-effective for the supplier, because the steam quality index promised by the supplier to the user cannot be just right. In order to ensure the promised indicators, the supplier always has a margin, which means the loss of profits for the supplier. After switching to heat measurement, the measurement result includes both the quantity of steam and the quality of steam. The above-mentioned unreasonable phenomena are all eliminated, thus reflecting the fairness and justice of measurement.

As we have known for quite some time, the success of Sincerity Group in the future will depend greatly on our ability to strike a balance between valuable human insight and interaction with technology.

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The major classifications of are endress hauser coriolis mass flow meter, rosemount coriolis mass flow meter, v shape coriolis mass flow meter and u shape coriolis mass flow meter machines.