When the pressure in the stabilizer tower is low, will increasing the pressure of the cold return flow raise it?
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This post was last edited by lijianhuai on 2012-4-5 at 14:26. When the pressure in the stabilizer tower is low, will increasing the flow rate of cold reflux raise the pressure?
It is reasonable to slightly increase the low-temperature level in the stabilizer, with the top temperature controlled at around 55 degrees
When the temperature at the top of the stabilizer is low, increasing the amount of cold reflux to a certain extent can raise the pressure in the stabilizer, but the effect is not significant; the pressure in the stabilizer still needs to be controlled through a thermal bypass.
The stabilizer column pressure should be controlled via the pressure control valve in the reflux tank; if the amount of sulfur-containing gas in the reflux tank is low, the temperature at the bottom of the column should be increased. The inlet temperature of the reflux tank is around 35 degrees.
If the pressure in the stabilizer is low, the reflux rate can be increased appropriately to raise the heating amount at the bottom of the tower; meanwhile, the venting at the top of the tower can be reduced slightly
Sure! Increase the vaporization volume at the tower top. But the bottom temperature needs to be well controlled.
The pressure in the stabilizer tower is mainly regulated by the thermal bypass and the amount of non-condensable gas discharged.
Keep the temperature of the liquefied gas after cooling at around 40 degrees; a thermal bypass can also be used for adjustment