Category: RECIPROCATING COMPRESSORS

Compression work vs. temperature rise

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A handy rule of thumb to retain for compression troubleshooting jobs is that the theoretical temperature increase of gas due to compression is linearly proportional to compression horsepower. An extremely useful application of this rule of thumb is the following approximation: It is not too much to say that this relationship is the most important …

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Reciprocating Compressor Troubleshooting – Unloader failure

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pneumatically operated, automated unloaders. A mal-functioning unloader remains in an open position and thus reduces the capacity of the compressor. To identify this problem, proceed as follows: • Set the compressor to run at a constant speed. • Close the suspect unloader pocket and note the effect on the engine’s fuel gas manifold pressure. • …

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Reciprocating Compressor Troubleshooting – Evaluating lost compression horse power

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The first step in troubleshooting reciprocating compressors is to quantify the extent of the problem. How much compression work has actually been lost? An approximate rule of thumb is: Inserting the data from the El Gringo operation in the above equation I found: HP (current) = 90 (1100/850 – 1) .520/ 520 = 2JL9 HP …

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