抑爆位置对连通容器甲烷空气混合气体爆炸的影响
发布时间：2018-12-31 15:46
【摘要】：以甲烷-空气混合物作为研究气体,用两个不同尺寸的球形容器和三段管道组合成不同结构的连通容器,进行多次爆炸实验,对比分析不同抑爆位置条件下球形容器与管道末端的最大爆炸压力与最大爆炸压力上升速率。结果表明:抑爆位置对连通容器混合气体爆炸产生一定影响;连通容器的最佳抑爆位置与管道长度有一定的关系;对于球形容器与一段管或两段管构成的连通容器中,抑爆位置对气体爆炸影响不大;对于两个球形容器与三段管构成的连通容器中,抑爆位置对连通容器混合气体爆炸影响较大,在管道中后段加入丝网结构抑爆效果最佳。在实际生产设计中,应根据具体应用条件和要求,全面考虑选用最佳的抑爆位置。
[Abstract]:Taking the mixture of methane and air as the study gas, two spherical vessels with different sizes and three sections of pipes were combined to form different connected vessels, and repeated explosion experiments were carried out. The maximum explosion pressure and the maximum explosion pressure rise rate at the end of the spherical vessel and pipeline under different explosion suppression positions were analyzed. The results show that the location of explosion suppression has a certain effect on the explosion of the gas mixture in the connected vessel, and the optimum explosion suppression position of the connected vessel has a certain relationship with the length of the pipe. For a spherical vessel connected with one or two sections of tubes, the explosion suppression position has little effect on the gas explosion. For the connected vessels composed of two spherical vessels and three sections of tubes, the explosion suppression position has a great effect on the explosion of the gas mixture of the connected vessels, and the best explosion suppression effect is achieved by adding the wire mesh structure in the back section of the pipeline. In the actual production design, the best explosion-suppression position should be considered according to the specific application conditions and requirements.
【作者单位】： 南京工业大学安全科学与工程学院江苏省危险化学品本质安全与控制技术重点实验室;
【基金】：国家自然科学基金(51376088,21436006) 江苏省高校自然科学基金(11KJA620001,10KJB620001)
【分类号】：X932
[Abstract]:Taking the mixture of methane and air as the study gas, two spherical vessels with different sizes and three sections of pipes were combined to form different connected vessels, and repeated explosion experiments were carried out. The maximum explosion pressure and the maximum explosion pressure rise rate at the end of the spherical vessel and pipeline under different explosion suppression positions were analyzed. The results show that the location of explosion suppression has a certain effect on the explosion of the gas mixture in the connected vessel, and the optimum explosion suppression position of the connected vessel has a certain relationship with the length of the pipe. For a spherical vessel connected with one or two sections of tubes, the explosion suppression position has little effect on the gas explosion. For the connected vessels composed of two spherical vessels and three sections of tubes, the explosion suppression position has a great effect on the explosion of the gas mixture of the connected vessels, and the best explosion suppression effect is achieved by adding the wire mesh structure in the back section of the pipeline. In the actual production design, the best explosion-suppression position should be considered according to the specific application conditions and requirements.
【作者单位】： 南京工业大学安全科学与工程学院江苏省危险化学品本质安全与控制技术重点实验室;
【基金】：国家自然科学基金(51376088,21436006) 江苏省高校自然科学基金(11KJA620001,10KJB620001)
【分类号】：X932
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