Development of new explosion resistant test system for flame arresters

doi:10.11949/j.issn.0438-1157.20160912

Abstract

Abstract:

Safety attracts more and more attention with the modern chemical engineering industrial development. It is significant for chemical production safety to improve the intrinsic safety in the transport and storage of flammable gas and liquid, ensure the performance of explosion resistant performance of flame arresters and increase the using reliability. It is important to establish a perfect performance test and evaluation system. On the base of the previous relevant studies and standards, a new explosion resistant test system with different ignition methods was established. Two kinds of test were designed and the evaluation system was established quantitatively. The performance classifications of flame retardant, detonation retardant and explosion retardant were distinguished quantitatively by the pressure distribution obtained by the pressure sensors. Two kinds of tests on one flame arrester were conducted successfully and the results were consistent. The test system was proved to be feasible and reliable.

Key words: flame arrester, safety, flame, explosions, performance test, performance classification

摘要：

随着现代化工工业的发展，安全越来越受重视，改善可燃气体与液体管道输送和存储的本质安全化程度，保证阻火器的阻燃阻爆性能，提高其使用过程中的可靠性，对化工生产安全具有重要意义。与此同时，建立健全完善的阻火器性能检测评价体系尤为关键。在国内相关研究的基础上，依据相关标准建立了以不同点火方式，进行阻火器阻爆性能检测的新型测试系统，并设计了两种检测方式，根据检测系统获得的压力分布，建立相应的判据，定量地对阻火器阻燃、阻爆燃或阻爆轰性能等级进行分类。并以此方法和系统为基础，成功对某型阻火器进行了两种方式检测，检测结果一致性较好，证明此系统具有可行性和可靠性。

关键词: 阻火器, 安全, 火焰, 爆炸, 性能检测, 性能分类

CLC Number:

X937

YAO Jian, LIU Jian, WANG Yongxu, LI Bin, XIE Lifeng, SONG Qingxue. Development of new explosion resistant test system for flame arresters[J]. CIESC Journal, 2017, 68(4): 1728-1733.

姚箭, 刘健, 王永旭, 李斌, 解立峰, 宋庆学. 新型阻火器阻爆性能检测系统研制[J]. 化工学报, 2017, 68(4): 1728-1733.

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