Jet fuel is jet engine fuel, also known as aviation turbine fuel, is a kind of light petroleum product.
It is produced mainly from kerosene distillates distilled from crude oil by refining, sometimes with additives, or from heavy distillates distilled from crude oil by hydrocracking.
Width fraction type (boiling point 60 ~ 280℃) and kerosene type (boiling point 150 ~ 315℃) two categories, widely used in a variety of jet aircraft.
Kerosene jet fuel is also known as aviation kerosene.
Production of jet fuel, which soared with the development of jet aircraft after World War II, has far surpassed that of aviation gasoline.
China successfully produced aviation kerosene from domestic crude oil in 1961 ~ 1962 and put it into production.
Various additives are often added to jet fuels to improve their performance, such as antioxidants, metal passivators, anti-icing agents, electrostatic disinfectants, and anti-wear - lubricants (see petroleum product additives).
Flash point is an extremely important index of fuel oil, and it is also an important index related to oil safety.
Fuel oil flash point, in general, is refers to under the condition of specific standards, will be fuel oil heated to a certain temperature, make its surface produced by the gas oil vapor coincided with the surrounding air to form can burn a mixture of gases, when using a standard test under the condition of fire source and the mixture of contact can produce instantaneous flash fire, when the temperature is called fuel oil flash point.
It has the characteristics of flash and extinguish, that is, it can not make the fuel oil to produce a continuous combustion.
From this definition, we can see that the flash point of fuel oil represents the degree of fire risk of the fuel oil. The lower the flash point is, the more dangerous it is in the process of transportation. Conversely, the higher the flash point is, the safer it is.
The flash point detection of fuel oil can be determined by SH105B closed flash point automatic tester. SH105B closed flash point automatic tester is a microcomputer technology, large screen LCD LCD display.
The instrument according to the standard method of heating, automatic rise and fall, automatic ventilation, automatic ignition, automatic display, automatic locking flash point value, automatic printing results.
After the test can be automatically cooled, to achieve the full automation of the work process.
It has the advantages of accurate measurement, good repeatability, stable performance and simple operation.
Widely used in electric power, petroleum, chemical, commodity inspection, scientific research and other departments.
In line with ISO - 2719,ASTM D93, GB261-2008 standards
Instruments for the experiment
1.SH105B Automatic Closed Flashpoint Instrument, developed and produced by Shandong Shengtai Instrument Co., Ltd.
2. Closed flash point special cup
First, preparation work
1. After the instrument is unpacked, please count the accessories according to the packing list. If there is any damage, please contact our company.
2. The instrument should be carried vertically, and the tilt Angle along the height of the instrument should not exceed 30 degrees. It should be placed in a dark place and placed smoothly, otherwise there will be vibration after the start of the instrument, which will affect the service life of the instrument.
3, the instrument power supply is connected to the capacity of more than 220V/10A socket, pay attention to must have a good grounding wire.
Second, the experimental process
1. After the power is switched on, the test arm of the instrument is automatically lifted and the experimental interface is displayed.
Click "Start", and the test arm falls down to start the test;
Click "Stop" to stop the test and lift the test arm.
The "Test Conditions" section shows the test setting conditions, including the expected flash point, printer switch Settings, and the standard applicable to the test.
The "Test Information" section displays the test progress information.
In the test interface, click "self-test", "setting", "conditions", "record" and other buttons, you can enter the corresponding functional interface.
2. Self-check interface
Under this interface, self-check operation can be performed on each component of the instrument.
Click "Test Arm", the test arm component rises;
Click again and the test arm assembly falls.
Click "igniter", point the bright firearm;
Click again to extinguish the igniter.
Click "Stir" to start stirring.
Click again to turn off mixing.
Click "Open the lid" to start the sliding plate of the cup lid and automatically return to its position.
Click "Printer" to start the printer to print self-test. The printer will print the simulated test results (not the real test results) to verify whether the printer works normally.
During the self-test of each component, the corresponding operation information will be displayed below it.
3. Set the interface
Under this interface, you can set the estimated flash point value and atmospheric pressure value. Click "Change" after "Expected Flash Point" or "Atmospheric Pressure" to enter the interface of expected flash point or air pressure setting:
Expected flash point setting