RESOURCE-SAVING CLEANING TECHNOLOGY OF ENGINE LUBRICATION SYSTEM

The refusal to clean the lubrication system from contaminants before replacing the used oil with the fresh one is caused by the high price and insufficient cleaning properties of the flushing oils used to clean the lubrication systems of diesel engines. As a result of the conducterd studies, it was found that the cleaning of the lubrication system and the removal of contaminants from the oil ducts can be carried out with used motor oil without draining it from the crankcase. It was determined that the introduction of ammonium hydroxide into the used engine oil in a mixture with carbamide and the subsequent engine operation at 1500.. .1600 rpm allows removing almost all types of contaminants from the oil. The oil cleaned in the engine according to the basic physicochemical characteristics complies with the requirements for the base oils used in the production of flushing oils. In the process of applying the used oil, the engine oil channels are partially cleaned. At the next stage, additives of dimethyl sulfoxide, potassium isopropylate and diesel fuel are added to the cleaned oil in the engine crankcase. It was determined that the subsequent start of the engine and its idling at a variable speed for 30-40 minutes allows increasing compression in the cylinders, reducing fuel consumption, and increasing the oil pressure in the lubrication system. As a result of the subsequent engine operation after it has been cleaned with the proposed technology, the service life of freshly refilled oil is increased by 15.. .20%, the costs of washing operations are reduced by 30.. .40% due to a refuse to use expensive washing oils.

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