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Analysis of Causes of Smoke Failure of Huanggang Diesel Generator

阅读:114次 发表时间:2019-08-28 Article Source: Wuhan Generator Leasing Company Read: 114 Times : 2019-08-28

Diesel exhaust pipes are generally an abnormal phenomenon. Smoke generated during the operation of a diesel engine is often a signal to determine whether some parts of the diesel engine need to be replaced or whether the entire machine needs maintenance. What is the cause of the diesel generator's smoke failure? Here is a brief introduction. The reasons for smoke during operation can be considered from the following aspects.

1. Reasons for diesel white smoke emission

The machine is too cold; the fuel contains water; the cylinder head is broken or the cylinder head screws are loose; the cylinder is cracked or the wet cylinder liner leaks the ring; other reasons for the cooling water leakage to the cylinder.

2.Causes of blue smoke from diesel engines

Ring wear, bite, break or lack of elasticity; oil ring scraper is not good, opening gap is mouth or installation error; gap between piston and cylinder is too large; oil level of oil pan is too high; injection time is too early; Other reasons cause oil to enter the cylinder.

3. Reasons for diesel engine smoke emission

Heavy load; poor fuel injection atomization, low fuel injection pressure, oil dripping; oil supply time is too late; air filter is blocked; plunger pump plunger rod or rod stroke adjustment is too large; loosen ring gear of fuel injection pump Tighten the screws to make the oil unbalanced; the valve leaks and the compression force of the cylinder is insufficient; one cylinder intake valve cannot be opened so that the cylinder only injects fuel; the diesel quality does not meet the requirements.

4.Atomized diesel is discharged before it can be completely burned

Smoke from the diesel generator indicates that the atomized diesel injected into the cylinder was exhausted before it could be completely burned. There are three main causes: ① the fuel injection nozzle is stuck, the pressure is insufficient, and the diesel has poor atomization; ② there is more air in the oil circuit and there is water in the diesel; ③ the same reason as the black smoke, the fuel supply is too late.

The above is a brief introduction to the analysis of the causes of diesel generators' smoke failure. I hope this knowledge will be helpful to you!