Device and method for testing explosion properties of flammable gases at ultralow temperature
A gas explosion and characteristic testing technology, which is applied in the direction of material explosion, can solve the problems of physical explosion hazards, large amount of liquid nitrogen, container failure, etc., to avoid risks and excessive thermal stress, high refrigeration efficiency, and easy temperature control Effect
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[0034] The present invention will be further described below in conjunction with the drawings.
[0035] Such as figure 1 As shown, a device for testing the explosive characteristics of combustible gas at ultra-low temperature includes a refrigeration device. An explosion container 9 with an aspect ratio of 3:1 is placed in the inner cavity of the refrigeration device. A gap is formed between the inner cavities of the device, and the heat-conducting material aluminum powder 19 is added to the explosion container 9 and the gas in the explosion container 9 to reduce the experimental temperature; the top of the explosion container 9 is sealed by a flange cover 10 The inside of the explosion container is provided with two ignition electrodes 14 connected to the ignition energy console, the bottom of the explosion container 9 is provided with a drain 17 for cleaning the carbon deposits in the explosion container, and the inner wall of the explosion container 9 A strain gauge 16 for rea...
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