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本文是针对小型玻璃充气管的开管气体分析,采用炸裂开管,静态取样,获得满意的分析结果。这种炸裂取样能保证管内材料和零件结构不被破坏,这对仿制任务显得特别重要,而当开管中遇到意外时,有充分的克服困难的迴旋余地,保证一次开管成功。这种开管方法结构简单,便于制作和操作。这种方法的可靠性为通过具有已知气体成份(压强)的试验管的开管分析所证明。开管过程引入的杂质气体含量<0.1％。这对于充气管主要气体成份和杂质含量分析的要求是足够了。将数据经反推算所得的结果,该管为单一He气触发管,压强为2至3托,主要杂质为N_2+CO,含量占He的1％以下。
This article is aimed at small glass inflatable tube open tube gas analysis, the use of burst open tube, static sampling, to obtain satisfactory results. This burst sampling to ensure the tube material and parts of the structure is not damaged, which is particularly important for the imitation task, and when the open tube in case of accidents, there is sufficient to overcome the difficulties of maneuver to ensure a successful open tube. This open tube method is simple in structure and easy to make and operate. The reliability of this method is evidenced by the open tube analysis of a test tube with a known gas composition (pressure). The amount of impurity gas introduced during tube opening is less than 0.1%. This is sufficient for the analysis of the main gas composition and impurity content of the inflatable tube. The data obtained by the back-calculated results, the tube is a single He gas trigger tube, the pressure is 2 to 3 Torr, the main impurities N_2 + CO, He content accounted for less than 1%.