Hydrogen composite gas explosion limit test system and test method

An explosion limit and compound gas technology, applied in the field of measurement, can solve the problems of the repeatability of gas distribution and the large error of explosion limit test results, and achieve the effect of accurate evaluation of explosion performance, good explosion phenomenon, and good judgment.

Active Publication Date: 2021-03-09
SHANDONG NON METALLIC MATERIAL RES INST
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Problems solved by technology

This method is simple and convenient, but due to the poor pressure and poor control accuracy during the gas distribution process, it is easy to cause the problem of poor gas distribution repeatability and accuracy; the gas explosion phenomenon is basically judged by observing the

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  • Hydrogen composite gas explosion limit test system and test method
  • Hydrogen composite gas explosion limit test system and test method
  • Hydrogen composite gas explosion limit test system and test method

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Embodiment Construction

[0034] The concrete implementation of the present invention is described in detail below, it is necessary to point out here that the following implementation is only used for further description of the present invention, and can not be interpreted as limiting the protection scope of the present invention. Some non-essential improvements and adjustments still belong to the protection scope of the present invention.

[0035] The invention provides a hydrogen composite gas explosion limit testing system and testing method, and its specific structure and flow are as attached Figure 1-3 shown, where figure 2 Among them, the specific reference signs represent: ①-dynamic gas distribution system; ②-gas flow meter; ③-fire arresting device; ④-mixer; - the first temperature measuring sensor; ⑨ - the second temperature measuring sensor; ⑩ - the explosion limit test device, the specific introduction will be given below.

[0036] For the compound gas explosion limit test device, the pri...

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Abstract

The invention discloses a hydrogen composite gas explosion limit test system and a test method. The system comprises a test bench, an explosion limit test device and a dynamic gas distribution system,wherein the dynamic gas distribution system is connected with the explosion limit test device, the explosion limit test device is arranged on the test bench, and explosion phenomenon determination can be realized. And accurate evaluation of the explosion performance of the composite gas is realized.

Description

technical field [0001] The invention relates to the field of measurement, in particular to a hydrogen composite gas explosion limit test system and a test method. Background technique [0002] In the existing composite gas explosion limit test method, the gas preparation process is generally prepared by the partial pressure method, that is, the concentration of each component in the composite gas is determined according to the proportion of the respective pressures. This method is simple and convenient, but due to the poor pressure and poor control accuracy during the gas distribution process, it is easy to cause the problem of poor gas distribution repeatability and accuracy; the gas explosion phenomenon is basically judged by observing the flame propagation at present, but for combustible gases involved When it is hydrogen, its flame burning in the air is light blue, and the flame propagation speed is very fast, so the phenomenon is difficult to observe, resulting in large...

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Application Information

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IPC IPC(8): G01N25/54
CPCG01N25/54
Inventor 张文申许峰荀其宁朱天一丁昌鑫宋磊董雅卓侯倩倩刘霞李胜凯冀克俭
Owner SHANDONG NON METALLIC MATERIAL RES INST
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