How are values estimated in production?
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In on-site work, especially when conducting assessments of system capabilities or carrying out technical upgrades, it is often necessary to obtain certain process data such as flow rates, inlet and outlet pressures, and heat transfer coefficients. However, these values are difficult to measure in practice; moreover, referring to manuals sometimes requires specific materials and conditions that are hard to meet. I wonder how everyone usually approaches this issue?
It is generally necessary to maintain daily process records, and by comparing these records with the design parameters, it is important that there are no discrepancies in the key indicators. General indicators can vary.
Firstly, as mentioned above; secondly, it is necessary to understand the design parameters of the original plant, such as production capacity, material balance, heat load calculation, equipment dimensions, pipeline sizes, the capacity/power of mechanical equipment, and basic principles of chemical engineering. For reference only.