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PublisertDebra Watkins Endret for 5 år siden
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By Finn Aakre Haugen (finn.haugen@usn.no)
Course PEF3006 Process Control Fall 2018 Plant-wide control By Finn Aakre Haugen USN. PEF3006 Process Control. Haugen
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General specifications for plantwide control:
2 General specifications for plantwide control: Product flow is controlled (to follow a setpoint) . Note: Implement only one (1) flow control loop in the line! Product quality is controlled (automatic control not always possible). Mass balance of liquid and/or gas of each process vessel (tank, reactor, etc.) is maintained. Temperatures in certain process flows and vessels are controlled. USN. PEF3006 Process Control. Haugen
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Principal plant with control structure
3 USN. PEF3006 Process Control. Haugen
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USN. PEF3006 Process Control. Haugen. 2018.
Example: Nitric acid plant (simplified) 4 USN. PEF3006 Process Control. Haugen
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