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Diesel generator sets

发表时间:2017-08-18 Article source : Couch motor manufacturersPublished time: 2017-08-18

Diesel generator sets

The engine oil has four poor functions such as cooling, smoothness, cleanliness, and sealing. The quality of the engine oil is not directly related to the employment function of the engine. Therefore, the fluid level of the engine oil and its contaminated level must be regularly checked to ensure that the generator is in excellent working condition. Employment.

When a diesel engine is employed, a part of the combustible gas and exhaust gas will always enter the crankcase through the gap between the piston ring and the cylinder wall. If the piston ring is damaged, this symptom will be even more urgent. After the fuel vapor in the crankcase has condensed, the engine oil will be adjusted and released. The acidic materials and water vapor in the exhaust gas will invade the components, and at the same time, the engine will not gradually adjust the release, aging and coking, which will deteriorate the function of the engine oil. In addition, the gas in the crankcase will increase the temperature and pressure in the box and become engine oil. Secreted from oil seals, gaskets, etc.

The main causes of overheating of the diesel engine are insufficient cooling water, excessive scale in the cooling system, and faults in the water pump. The cooling water cycle is interrupted. Debris obstructs the radiator, radiator cover and thermostat. The fan belt is too loose or broken. Long-term operation under poor load, caused by the ignition of the carbon deposits in the ignition chamber and the inconsistency of the oil in the smooth oil system. When the diesel engine overheats, it will cause the oil temperature to rise, which will accelerate the aging and taste of the oil.

When the engine oil of a diesel generator is employed in the tropics and under high pressure, its antioxidant security deteriorates, aggravating the processes of thermal decomposition, oxidation, and polymerization. In the tropics, motor oil and under-ignited products, condensed water vapor and Assimilation of dust entrained in the intake air will cause the rate of oil smell to accelerate.

The shrinkage ratio of an oil engine is more than twice that of a gasoline engine, and its primary components are subject to more severe tropical revenge than a gasoline engine. Therefore, some components have different construction materials. For example, gasoline engine spindle bushings and connecting rod axle bushes are available. Babbitt alloys with softer materials and good corrosion resistance are used for construction, while diesel engine bushings are forced to be constructed with high-performance materials such as lead bronze or lead alloys, but the corrosion resistance of these materials is poor.

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