利用自行设计加工的断面为30cm×30cm方形爆炸实验管道,对不同参数的金属丝网、泡沫陶瓷材料和多孔泡沫铁镍金属的抑爆效果分别进行了实验研究,结合材料特点,分析了其抑爆机理。实验结果表明,金属丝网、泡沫陶瓷和多孔泡沫铁镍金属对瓦斯爆炸传播均有一定抑制作用,多孔泡沫铁镍金属衰压和阻火效果优于金属丝网和泡沫陶瓷,材料的损坏程度明显降低,对火焰衰减效果增强;测点4,多孔泡沫铁镍金属相比40目40层金属丝网对最大火焰温度的衰减率提高了43.8%,相比Al2O3 7cm大孔泡沫陶瓷提高了34.5%。测点7,多孔泡沫铁镍金属相比40目40层金属丝网体对爆炸超压的衰减率提高了29.9%,相比SiC 5cm大孔泡沫陶瓷提高了22.4%。
Using self-design the section 30cm×30cm gas explosion experiment pipe, experimental research the different parameters of the metal wire mesh, foam ceramic materials and porous foam iron nickel metal suppres- sion of blasting effect, combined with material characteristics, analysis the mechanism of inhibition explosion. The results showed that the metal wire mesh, foam ceramic and porous foam iron nickel metal on gas explosion spread all have certain inhibition, porous foam iron nickel metal failure pressure and the fireproof effect is better than metal wire mesh and foam ceramics, material damage degree is reduced and the attenuation flame of effect is improved; point four, porous foam iron nickel metal than 40 orders 40 layers metal wire mesh in the attenua- tion of the flame temperature increase of 43.8%, compared by A1203 7cm big hole ceramics bubble up 34.5%. Point seven, porous foam iron nickel metal than 40 orders 40 layers metal wire mesh in the attenuation of the explosion overpressure increase of 29.9%, compared by SiC 5cm big hole ceramics bubble up 22.4%.
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