Reasons for the drop in lubricating oil pressure of the syngas compressor

Increase in lubricant temperature； Leak in the pipeline circulation system ； Instrument air pressure (control valve) ； Improper mediation ； Excessive resistance in the oil filter ；

1. Pipeline valve issues: blockage, leakage, valve failure； 2. The oil temperature is either too high or too low; when it is too high, expansion occurs which leads to a decrease in density, an increase in viscosity, and thus an increase in resistance ； 3. Causes related to the oil pump: In the case of centrifugal pumps, these can be caused by air in the pump, too low liquid level in the oil tank, worn impellers, or leaks in the mechanical seal. In the case of screw pumps, the problem may arise from an increased gap between the screws or leaks in the mechanical seal ； Pump reflux mistakenly activated ； 4. Leakage in the oil cooler and oil filter; insufficient exhaust gas during the switching process of the oil cooler and oil filter ； Other: The pressure was manually set incorrectly by the control valve.

What was mentioned above is quite comprehensive; take another look to see if it’s a problem with the oil – is it too thin?

Summary: 1. Causes related to pipeline valves: blockage, leakage, valve failures； 2. The oil temperature is either too high or too low; if it is too high, expansion occurs and the density decreases, while if it is too low, the viscosity increases leading to higher resistance ； 3. Causes related to the oil pump: In the case of centrifugal pumps, these can be caused by air in the pump, too low liquid level in the oil tank, worn impellers, or leaks in the mechanical seal. In the case of screw pumps, the problem may arise from an increased gap between the screws or leaks in the mechanical seal ； Pump reflux mistakenly activated ； 4. Leakage in the oil cooler and oil filter; insufficient exhaust gas during the switching process of the oil cooler and oil filter ； Other: The pressure was manually set incorrectly by the control valve. 5. The oil pump is too old and its capacity has decreased, failing to meet the process requirements. 6. The assembly clearance does not meet the technical specifications, resulting in increased leakage. 7. If it is driven by a turbine, could it be that a decrease in rotational speed leads to a reduction in shaft power? Please check each of these possibilities one by one; I am sure you will be able to identify the cause of the pressure drop