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Automation of ship power plants, the growth of their aggregate power, the use of low-grade fuels and engine oils with a change by the rejection indicators cause the use of oil cleaners with a long battery life. Self-regenerating filter of SRF-60 type has a high maintenance-free service life, up to 5 thousand hours, reliably protects friction pairs (bearings) from abrasive wear, and is capable to process up to 100 m3/h of oil in the full-flow circuit. A brief description of its structure and functioning is given. Deep cleaning of oil from the abrasive fine-dispersed ash products is entrusted to a centrifuge with an external jet drive. A scheme for the complete processing of the filter’s flushing oil, which contributes to more efficient regeneration of its filtering elements due to the heightened rate of sediment washout by reverse flow, has been proposed. The results of operational tests of the combined oil purification complex, including a self-regenerating filter and a centrifuge, are presented. The combined engine oil purification system, including the self-regenerating module SRF-60 for cleaning the full oil flow and the centrifuge MCN-9NS for cleaning the flushing oil, is tested in the engine lubrication system 6ChN32/35. A comparison of automated and regular cleaning the engine oil is given in terms of effect on its aging and the diesel engine state, which indicates the superiority of this combination over the cleaning system with a full-flow filter of nonwoven materials, manifested in decreasing the wear of the engine main friction units and carbon deposits on the pistons by 30– 60% and increasing the service life of the engine oil by 1.5–2.3 times. The experiment have showed that, in a forced engine, the products of oil aging in the form of carbenes and carboids, cemented by asphaltenes with impurities from diesel wear and ash additives actuation, are effectively removed by the proposed combined oilcleaning complex.

vestnik gosudarstvennogo universiteta morskogo i rečnogo flota imeni admirala s. o. makarova/vestnik gosudarstvennogo universiteta morskogo i rečnogo flota imeni admirala s.o. makarova

THE RESULTS OF OPERATIONAL TESTS OF THE SELF-REGENERATING FILTER IN SHIP DIESELS AS PART OF A COMBINED OIL-CLEANING COMPLEX