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Diesel recovery issues with screw compressors

2015-07-29View Original

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In a certain screw compressor, diesel is injected into the process gas during operation to raise the pressure; after cooling, the diesel is separated in a separator and sent back to the compressor for reuse. However, when the compressor is started, the pressure is too low to establish this circulation, and as a result the diesel is discharged directly outside through the pipelines. What are some reliable methods for recovering this diesel?
Reply #22015-07-29
Diesel uses forced circulation. . . This is what is commonly used in gas tank screw compressors these days. .
Reply #32015-07-29
I’m sorry, could you explain in detail? This compressor was newly installed, and this is the first time it’s being tested; cycling operation isn’t allowed either
Reply #42015-07-29
Diesel is injected into the engine chamber by a centrifugal pump; the injected diesel, along with the medium gas, enters the outlet separation tank, which is connected to the pump inlet
Reply #52015-07-29
What you mean is backflow, but since this compressor is being started for the first time, there are definitely residual impurities in the pipelines, process gas coolers, and separators; backflow is not allowed
Reply #62015-08-06
Before driving, these areas must be thoroughly cleaned to prevent impurities from entering the engine; otherwise, diesel consumption will be high and it will be difficult to control it

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