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Two streams of steam with different temperatures and pressures are mixed; when using PRO II for modeling, clicking to run results in an error. I seek guidance from experts

2019-02-22View Original

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The small factory plans to use medium-pressure steam (3.43 MPa, 325°C) to drive a backpressure steam-driven feedwater pump. The exhaust steam from the backpressure machine needs to be mixed with another stream of steam: Steam 1 has parameters of 0.8 MPa, 280°C, and 200 t/h, while Steam 2 has parameters of 0.9 MPa, 220°C, and 30 t/h. These two streams of steam are mixed together; the material specified for this mixture is WATER. The operation always fails when trying to start the system. I would be extremely grateful if someone could provide guidance
Reply #22019-02-22
Based on your description, it should be the simplest logistics combination, and errors generally don’t occur. You can send the error message of the message to take a look
Reply #32019-02-25
By replacing the Robinson equation with the Soave-Redich-Kwong equation, it can be run, and the simulation was successful
Reply #42019-02-25
I’m a PRO II beginner; if there’s anything wrong, please feel free to point it out. @lt*aoying

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