Extracting heat from recip. compressor through jacket water
Extracting heat from recip. compressor through jacket water
(OP)
From a practical point of view, I need to know how much heat can/should be extracted from a reciprocating compression stage through its jacket water. As far as I know, jacket water in compressor cylinders only serve to keep metal temperatures in an acceptable range, not to cool process gas.
i.e. I need to withdraw 100 Btu/h from the gas stream, how much of that should be extracted by jacket water, and how much by post-stage cooling means?
PD: I know that API recommends water entering 10F above suction temp. of the gas, and exiting 30F above the entering temp., maximum.
many thanks!
i.e. I need to withdraw 100 Btu/h from the gas stream, how much of that should be extracted by jacket water, and how much by post-stage cooling means?
PD: I know that API recommends water entering 10F above suction temp. of the gas, and exiting 30F above the entering temp., maximum.
many thanks!





RE: Extracting heat from recip. compressor through jacket water
RE: Extracting heat from recip. compressor through jacket water
RE: Extracting heat from recip. compressor through jacket water
Johnny Pellin
RE: Extracting heat from recip. compressor through jacket water
good luck!
-pmover
RE: Extracting heat from recip. compressor through jacket water
Uneven temps in cyliders caused valves to not seat well and cylinder walls to warp that was a major reason for cooling water. Newer materials could handle warping and valve seating.
I suppose you could circulate enough coolant to remove huge amounts of heat but you could also Condense liquids which would destroy valves at a minimum cylinders at the worst
If you need some free heat cool the compressed gas
RE: Extracting heat from recip. compressor through jacket water
I know that feeding cold water would lead to condensation, I´m not planning to do that, but to increase water flow.
My point is if increasing water flow will yield any improvement at all.
Thank you!
RE: Extracting heat from recip. compressor through jacket water
RE: Extracting heat from recip. compressor through jacket water
The gas composition has not been altered, it compresses a mixture of H2 and N2 feeding a reactor. Running at the same compression ratio as the original datasheet, the unit delivers higher discharge temperatures than design, operating at the same suction temperature.
Nevertheless, I aprecciate your assistance. I have now a clearer picture of how to find a practical solution.