【摘要】：以甲烷-空氣混合物作為研究氣體,用兩個不同尺寸的球形容器和三段管道組合成不同結(jié)構(gòu)的連通容器,進(jìn)行多次爆炸實驗,對比分析不同抑爆位置條件下球形容器與管道末端的最大爆炸壓力與最大爆炸壓力上升速率。結(jié)果表明:抑爆位置對連通容器混合氣體爆炸產(chǎn)生一定影響;連通容器的最佳抑爆位置與管道長度有一定的關(guān)系;對于球形容器與一段管或兩段管構(gòu)成的連通容器中,抑爆位置對氣體爆炸影響不大;對于兩個球形容器與三段管構(gòu)成的連通容器中,抑爆位置對連通容器混合氣體爆炸影響較大,在管道中后段加入絲網(wǎng)結(jié)構(gòu)抑爆效果最佳。在實際生產(chǎn)設(shè)計中,應(yīng)根據(jù)具體應(yīng)用條件和要求,全面考慮選用最佳的抑爆位置。
[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.
【作者單位】： 南京工業(yè)大學(xué)安全科學(xué)與工程學(xué)院江蘇省危險化學(xué)品本質(zhì)安全與控制技術(shù)重點實驗室;
【基金】：國家自然科學(xué)基金(51376088,21436006) 江蘇省高校自然科學(xué)基金(11KJA620001,10KJB620001)
【分類號】：X932

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