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Diesel generator error operation

by:Xinshengan     2020-12-31
Diesel generator error operation can seriously affect the service life of the diesel generator set, let's look at in daily life, diesel generator set error operation have? Diesel generator error operating a: diesel engine running at this time on the oil will be caused by the oil supply shortage of lubricating oil in the surface of the friction pair, lead to abnormal wear or burns. Therefore, in the process of the diesel generator and diesel engine run before start to ensure the oil is enough, prevent due to lack of oil cylinder, the tile burning failure. Diesel generator 2: something is wrong with the load urgent stop or sudden load down immediately after unloading diesel generator cooling system of the water cycle to stop, after cooling capacity sharply reduce, the heat loss of cooling, easy to cause the cylinder head, cylinder liner, cylinder block, such as overheated parts, cracks, or stuck within the cylinder piston. Diesel generators, on the other hand, when stop without idle cooling, can make the friction surface oil shortage, when diesel engine start again due to bad lubrication and aggravate wear. Therefore, diesel generator should be removed before shut down load, and gradually reduce no-load running speed, a few minutes. Diesel generator error operating three: cold boot load operation of diesel generators, without warm-up after cold machine starts, because of heavy oil viscosity, liquidity is poor, is that shortage of lubricating oil in oil pump to machine friction surface for lack of oil, poor lubrication cause rapid wear, such as cylinder, tile burning even failure. Diesel engine cooling after start-up, therefore, should be idle running to heat up, for the oil loading again when the temperature is above 40 ℃; Machine should start on low gear, and step by step in a mileage every gears, until the oil temperature is normal, after fully, only to run normally. Diesel generator fault 4: operation of diesel engine cold start after fierce boom throttle if fierce boom throttle, is a dramatic increase in diesel generator speed, can cause some friction on the surface due to dry friction and severe wear. In addition, the boom throttle when the piston, connecting rod and crank shaft force change is big, cause dramatic impact, easy attaint parts. Diesel generator 5: something is wrong in the cooling water shortage or cooling water, the oil temperature is too high, operating under the condition of diesel generator cooling water shortage will reduce the cooling effect, due to can not get effective cooling diesel engine overheating; High oil temperature of the cooling water, oil, can also cause the diesel engine is overheating. The diesel generator cylinder head, cylinder liner, piston components and valve such as the main heat load is big, sharp decline in its mechanical properties such as strength, toughness, increase the deformation of parts, reduce the fit clearance between the parts, accelerate parts wear and tear, serious when still can produce crack, parts stuck fault. Diesel generator overheating will also worsen diesel engine combustion process, make the fuel injector work disorder, atomization, carbon deposit.
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