Deaerator liquid seal
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I don’t know what’s going on lately; the liquid seal of the deaerator can no longer hold back the liquid. The temperature is high, around 130 degrees, and the pressure is also high. However, the temperature at the outlet of the converter, as well as the temperatures after the second and first heat exchangers, don’t change much! I originally wanted to increase the water flow to reduce temperature and pressure, but the effect was not significant. I wonder how those with more experience handled this situation? ?
I wonder which design institute designed your hydrogen (methanol) production facility, and what is its scale? Discuss the heat exchange process between demineralized water and medium-pressure gas. Only then can it be analyzed. If I’m not mistaken, your problem is the same as the issue of boiling in the deaerator of Luoyang Petrochemical’s hydrogen production plant.
You can send the electronic version of the flowchart to my email; I’ll analyze it. chengh-cs@petrochina.com.cn