What happens if the diesel generator oil cooler is broken? If the oil cooler is broken, it will cause serious consequences if it is not replaced in time. The function of the oil cooler is to cool the lubricating oil and keep the oil temperature within the normal working range. The important role of the oil cooler has been introduced earlier. The oil cooler is arranged in the circulating oil circuit of the lubrication system. If the oil cooler is broken, the engine oil will have a continuous high temperature, and the system will also issue an oil temperature that is too high. Alarm, and the lubricating effect of oil cannot be effectively exerted, it will cause increased wear and tear inside the engine, greatly reduce the performance of the engine, shorten the service life of the engine, and even cause damage to the engine in severe cases.
When the diesel generator set is working, when the oil temperature reaches a certain level, the oil will decompose and deteriorate, resulting in poor lubrication. For this reason, diesel engines with higher power are often equipped with oil coolers. To keep the oil temperature within the normal range (about 80 ℃) to maintain the viscosity of the oil. Oil cooler, also known as oil radiator, is divided into water-cooled and air-cooled. The function of the oil cooler is to cool the lubricating oil. Therefore, some engines are equipped with oil coolers, whose function is to reduce the temperature of the oil and maintain a certain viscosity of the lubricating oil. The oil cooler works on the same principle as the radiator.
The working principle of the water-cooled oil cooler: When the diesel engine is started, the temperature of the cooling water rises faster, and the temperature of the oil at this time is lower. Therefore, after the oil cooling water is added, the oil temperature rises rapidly and the viscosity decreases, which is used to meet the work needs. After the diesel engine is turned into normal operation, when the oil temperature is higher than the cooling water temperature, the oil radiator resumes its operation, and the oil is cooled with water to keep the oil temperature within the normal range.
Working principle of air-cooled oil cooler: The air-cooled oil cooler is much like a small radiator, and the core of the cooler consists of many cooling pipes and cooling plates. Air-cooled oil radiators are installed in front of (or behind) the cooling system radiator and use air fanned by fans for cooling. It is composed of flat copper tube, heat sink, frame, oil inlet pipe and oil outlet pipe. When the diesel engine is working, the oil sent from the oil pump enters the oil filter through the oil filter. After being cooled by the air, it flows into the main oil passage through the same oil pipe to lubricate the moving parts. Air-cooled oil coolers require a long warm-up time after the engine is started to bring the oil to normal operating temperature.
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