1, the pressure of oil and gas accumulation and export for shell supercharger caused by leak oil: check the turbocharger, confirm the turbocharger is qualified, generally from the use of turbocharger to analysis, such as the use of the environment caused by dust, air filter clogging caused by negative pressure is above 5.5kPa, which will cause the supercharger oil terminal.
The car in the mountains under the big slope, biogas generator sets do not refuel the door at low speed for more than 15 minutes, the turbocharger medium pressure impeller back can not afford gas seal to form a vacuum will cause turbocharger compressor end leakage. As long as the regular maintenance of air filter, biogas generator set idle time is not too long, this pseudo oil leakage can be ruled out.
2, the oil pressure is too high will cause the turbocharger leakage: the high pressure of the gas generator turbocharger inlet pressure is also one of the causes of turbocharger oil leakage. When we check that the turbocharger is qualified, and found that the provisions of biogas generator set engine oil pressure is much higher than the manual, to check the lubrication system of biogas power generation unit, a pressure regulating valve is blocked or failure, biogas generator set oil pressure normal, turbocharger oil leakage can be eliminated.
3, poor oil return will cause the turbocharger oil return oil: biogas generator set turbocharger is on the weight of oil from the turbocharger oil return pipe back into the biogas power generation unit, if the return pipe is reduced and blocking, oil return turbocharger sluggish, turbocharger oil leakage occurs at both ends. The oil return should not be ruled out, and when the supercharger is in good condition, the fault will be eliminated.
4, biogas power generation unit in the construction of parking frequent starting: biogas generator set parking frequently in construction starting, will cause the middle shell turbocharger end coking; simultaneously caused the middle shell oil return chamber coking, makes the turbocharger oil return cavity narrow poor oil return to generate oil leakage, should check the parts are intact, and cleanout.
5, biogas generator gas leakage serious will spill oil back to cause the supercharger impeded, turbocharger: some turbocharger oil is found even at both ends of oil spills, after checking the turbocharger is qualified, into the oil return to normal, then we found that there was the middle supercharger spindle has a thick grease some stiff after cleaning, the eradication of pale yellow and found in the middle of main turbocharger oil return pipe in grease, from the above phenomenon can be judged for the methane generator gas leakage caused by the turbocharger oil return is not smooth. Four sets of biogas generator sets are set up to remove the gas under the marsh gas generator set, and the turbocharger and the return pipe can be cleaned, and the trouble can be eliminated.
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