Several common error operations of diesel generators

Diesel generator error operation will seriously affect the service life of diesel generator sets. Let's take a look at several common error modes of diesel generator sets in daily life.
Diesel generator error Operation 1: The diesel engine operates at this time when the oil is insufficient, causing insufficient oil supply to the oil supply, resulting in abnormal wear or burns. To this end, the diesel generator starts before the start of the diesel engine to ensure that the oil is sufficient, preventing the pull tacho, a flask failure due to lack of oil.
Diesel generator error operation 2: Take a load emergency shutdown or suddenly remove the load immediately after the load, the diesel generator is turned off after the fire is turned off, the heat dissipation capacity is dramatic, the heat is loses cooling, which is easy to cause the cylinder head, cylinder block, Machine such as cylinder blocks overheat, crack, or over-expansion of the piston to die in the cylinder line. On the other hand, the diesel generator is not turned down at the time of shutting down, and the friction surface is insufficient, and the wear is exacerbated when the diesel engine is started again. Therefore, the diesel generator should be removed before the fire is turned off, and gradually reduces the speed, and the no-load is running for a few minutes.
Diesel generator error operation 3: When the cold start is started, the diesel generator is started, due to the high viscosity of the oil, the fluidity is poor, and the machine friction is weak, resulting Surprisingly worn, even pulling tiles, burning wars, etc. Therefore, after the diesel machine is cooled, it should be operated and the temperature is running. When the oil temperature reaches 40 ° C or more, the load is running; the machine should start the low speed gear, and the mileage in each gear is stepped in, until the oil temperature is normal, oil supply is sufficient Once, it can be turned to be normal.
Diesel generator error operation 4: After the diesel engine is cold start, if the throttle is swayed, the diesel generator speed has risen sharply, and some of the friction surfaces on the machine will be severely wear due to dry friction. In addition, the piston, connecting rod, and crankshaft are changed, causing severe impact, causing damage to the machine.
Diesel generator error operation 5: Insufficient cooling water in the cooling water or cooling water, the oil temperature is too high, and it will reduce its cooling effect. The diesel engine is overheated by effective cooling; cooling water, oil The oil temperature is too high, and the diesel engine will overheat. At this time, the diesel generator cylinder head, the cylinder block, the piston assembly and the valve are mainly affected by the heat load. The mechanical properties such as strength, toughness, etc. have a sharp decline, so that the part deformation is increased, reduces the mixing gap between parts, and accelerates the wear of the machine. When severe, cracks are generated, and the fails are stuck. Diesel generators will degrade the combustion process of diesel engine, so that the injector is abnormal, and the atomization is poor, and the carbon deposit is increased.
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