Minimum ignition energy testing device

A test device and ignition energy technology, applied in the direction of fuel oil testing, material inspection products, etc., can solve the problems of low test accuracy and narrow test temperature range, and achieve the effect of improved test accuracy and good technical effects

Inactive Publication Date: 2014-07-30
CHINA PETROLEUM & CHEM CORP +1
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Problems solved by technology

[0005] The technical problem to be solved by the present invention is that the test temperature range is nar

Method used

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  • Minimum ignition energy testing device

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Embodiment 1

[0021] exist figure 1 On the test device shown, clean air with a relative humidity lower than 30% is contained in an air bottle with a volume of 50L and a pressure of 196×10 2 KPa. The steam generator 3 is welded with a 5mm thick alloy aluminum plate and should be strictly sealed. Its volume is 45±5L and it is placed in the thermostat 2. The thermostat 2 adopts a heat conduction oil heating box, the temperature control range is 25-150°C, and the temperature measurement error is ±2°C. The temperature control range of the thermostat 6 is 25-150°C, and the temperature control error is ±2°C. The mixer 5 is made of steel plate, the pressure is not lower than 980KPa, the volume is 40±5L, and it is placed in the thermostat 6. Agitator rod size is 10×250mm; the length of the propeller is 100mm; the dynamic sealing strength of the connecting rod shall not be less than 490kPa. The digital vacuum pressure gauge adopts a measuring range of 0-600KPa and a resolution of 1KPa to test th...

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Abstract

The invention relates to a minimum ignition energy testing device mainly used for solving problems of existing technology that testing temperature range is relatively narrow, and testing accuracy is relatively low. According to the minimum ignition energy testing device, the main body of a mixer (5) is provided with an air inlet pipeline, a steam inlet pipeline, and a mixed gas outlet pipeline; a stirrer (4) is arranged in the mixer (5); a reactor (7) is provided with an gas inlet (9); the two sides of the reactor (7) are provided with electrode regulators; one end of an ignition electrode is connected with the electrode regulators via threaded connection, and the other end is connected with a precise sparker (10); the mixed gas outlet pipeline of the mixer (5) is connected with the gas inlet (9) of the reactor (7); a connection pipeline between a mixed gas outlet of the mixer (5) and the gas inlet (9) of the reactor is connected with a vacuum pump. The minimum ignition energy testing device is capable of solving the above problems, and can be used for minimum ignition energy testing.

Description

technical field [0001] The invention relates to a minimum ignition energy testing device. Background technique [0002] The three basic conditions for the explosion of combustible gas or liquid vapor are the concentration of combustible gas within the explosion limit, the appropriate concentration of oxidant, and the ignition source. The ignition source can only trigger the explosion if it reaches the minimum ignition energy of the substance under this condition. Therefore, the minimum ignition energy is an important parameter to measure the explosion hazard of flammable gas or liquid vapor, and also an important technical parameter for electrostatic safety, which can provide useful reference for the control and prevention of combustion and explosion hazards of flammable gas or steam. Because combustible gas or liquid vapor is flammable and explosive, its corresponding minimum ignition energy value is relatively small. Therefore, its minimum ignition energy value must be acc...

Claims

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Application Information

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IPC IPC(8): G01N33/22
Inventor 王振刚赵琳徐伟姜杰孙峰霍明甲
Owner CHINA PETROLEUM & CHEM CORP
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