(3.3.3)--任务3.2.2闪点、燃点的测定（开口杯法）.ppt

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1、Task 3.2.2 Determination of flash point and ignition point of open cupI.Standard for test methods GB/T 2671988“Petroleum products-determination of flash and fire points-Open cup”GB/T 3536-2008Petroleum products-Determination of flash and fire points-Cleveland open cup method This standard applies to

2、 the determination of lubricants and dark petroleum products.II.Scope of applicationMain Instruments:open cup flash point tester,Thermometer.III.Test Principles and Instrumentsopen cup methodas open cup methodFigure 3-14 PCK208 intelligent open flash point testerflash point:Temperature at which the

3、blue flame first appears above the sample liquid levelignition point:After flash point,continue to temperature rise at(4 1)/min speed,2 per rise,when the sample comes into contact with the flame,the temperature can be used as the ignition point when the fire can burn continuously at least 5 sSample

4、water contentEnvironmentSample loadingAtmospheric pressureSafety is no small matter,the responsibility is greater than the dayEnhance the awareness of safety protection,Start with meVI.Original Records and Data ProcessingBefore the test begins,we should first fill out the of the record sheet,and the

5、 test data part should be filled in in time with the test progress,and it is not allowed to fill in after the test ends.lAcquisitionBased on the experimental data and the equation t0=t+7.5(0.0015t+0.028)(101.3-p),the calculations were filled in the data processing section.Header partExperimental dataAcquisitionThank you for listening