Views: 0 Author: Site Editor Publish Time: 2015-04-12 Origin: Site
What are the common error operations of diesel generators?
Diesel generatorsThe error operation will seriously affect the service life of the diesel generator. Let's take a look at what is wrong in the wrong operation of diesel generator groups in daily life?
Diesel generator error Operation 1: Diesel engine is operated in indirect oil
At this time, it will cause insufficient oil supply from the oil supply due to insufficient 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: Turn on the load or suddenly remove the load
The circulation of the cooling water is stopped after the diesel generator is turned off, and the heat dissipation capacity is lowered. The heat is loses cooling, which is easy to cause overheating of cylinder head, cylinder line, cylinder block, etc., produce cracks, or makes the piston over expansion card dead in the cylinder set Inside. 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 three: unheathered load operation after cold start
When the diesel generator is started, due to the high viscosity of the oil, the fluidity is poor, the oil pump is insufficient, the machine friction is poorly losing, resulting in sharp wear, even pulling tiles, sizzling, 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: Diesel machine is cold after starting
If the throttle, the speed of the diesel generator has risen sharply, and some friction on the machine will be severely worn 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: Operation in the case of insufficient cooling water or cooling water, oil temperature is too high
Diesel generator cooling water will reduce its cooling effect, and diesel engine is overheating because of effective cooling; cooling water, 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.