What is the meaning of diesel flash point
When evaluating the quality of diesel, a word often heard is "flash point", many friends do not know what the flash point of diesel means, the following is a brief introduction for you.
Flash point is under the specified test conditions, the application of a certain ignition source caused by diesel vaporization and ignition of the lowest temperature, the level of the flash point indicates the degree of oil flammability, volatile compounds content, gasification degree and its safety, the danger level of diesel is also divided according to the flash point, the flash point of 45℃ below the oil for flammable products. Oil with flash point above 45 ° C is combustible.
Second, how much is the diesel flash point standard
Flash point is a measure of diesel fire risk indicators, the lower the flash point, the greater the risk of fire, according to national regulations, the flash point of standard diesel should be above 55 ° C, that is, in the experimental state, with an open flame to test the diesel above the added diesel, want to flash the minimum temperature should be higher than 55 ° C.
Third, what is the relationship between the diesel flash point and the level
The level of diesel flash point is related to the pressure of the liquid surface, the concentration of diesel oil and the content of light oil, etc., and the low or high flash point indicates the higher the content of impurity components.
1, diesel flash point is too low, it means that there is a little light oil mixed in diesel, engine work rough, and will bring great safety risks to diesel storage, transportation, use and safety after traffic accidents.
2, diesel flash point is too high, the combustion performance of diesel has performance, the initial distillation point will be high, the engine starting performance is not good, cetane number will increase, if too high in the combustion process will smoke.
Therefore, the flash point of diesel should not be too high or too low, in line with national standards.