Pressure issues in the Ruchi pressurized gasification water collection tank
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This post was last edited by Hongxincao on 2010-5-27 at 19:56. In the Ruchi pressure swing gasification process, after the raw gas enters the waste heat boiler for condensation, it is found from the PFD drawings that there is a pressure difference of 0.8 Mpa between the designed gas phase outlet pressure and the liquid phase pressure in the bottom collection tank Is the liquid phase measured not at the bottom of the collection tank, but after pressure reduction via system valves and other components? Is there another reason?
Is it related to the decrease in temperature? According to PV=nRT, does a decrease in the temperature of raw gas lead to a decrease in pressure as well? The water vapor in the raw gas flows to the collection tank after cooling; the number of molecules in the raw gas decreases (due to water molecules). Pressure is generated by molecular collisions, and as these collisions decrease, the pressure drops
The last edit to this post was made by hu*aogang on 2010-5-29 at 13:57, in response to 2#: Lao Wu, it is the pressure of crude coal gas that is higher than that of gas water, not as you said
The pressure is reduced after throttling through the bottom control valve.