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Suggestion for Safety Improvement of Compressed Natural Gas Vehicle

作者
Young-Seob Kim,Kyoshik Park,Tae-Ok Kim
出处
期刊:Journal of the Korean Institute of Gas 卷期号:16 (4): 1-7 被引量:3
标识
DOI:10.7842/kigas.2012.16.4.1
摘要

지난 2010년 8월 9일 발생한 압축천연가스(compressed natural gas, CNG) 버스의 내압용기 파열사고 이후 정부는 CNG자동차의 안전관리 체계를 구축하기 위하여 다각적인 연구를 수행하였으며, 본 내용은 그 주요 내용을 정리한 것이다. CNG자동차의 안전성 향상을 위해 관련 법령, 검사 인증기준 등 안전관리제도를 검토하였고, 더불어 CNG자동차 관련 종사자(검사원, 정비원)에 대한 교육훈련 등도 검토하였다. 주요 검토내용으로는 CNG자동차용 용기형태, CNG용기의 설치위치, 압력방출배관의 재질 및 설치형태, 배관접속 및 접합방법, 가스누출 경보시스템, 긴급차단밸브 및 작동 스위치, CNG용기 보호커버, CNG 자동차 충전사업자의 공급자 의무사항, CNG자동차의 정기검사제도, CNG자동차의 일상점검 제도, CNG자동차 종사자의 교육훈련제도, CNG버스 운송사업체의 안전관리자 선임제도 등이다. 위의 주요 항목들을 중점적으로 검토하여 CNG자동차의 안전성 향상 방안을 제안하였다. Systematic safety research by Korea Government has been made to enhance the safety of CNG (compressed natural gas) vehicles since the burst of compressed cylinder of an urban bus in August 9, 2010. This article summarizes some major activities to ensure the safety of CNG vehicles, which covers review of regulation, safety management system including standard of inspection and certification, and training program of inspectors and car mechanics. Specifically, the followings were reviewed; type of CNG cylinder, location of CNG cylinder, material and type of fuel line and vent line, modification of pipeline connection, installation of gas detector, installation of emergency shutdown valve, installation of protecting cover for cylinder, obligations for CNG vehicle filling station. improving periodical inspection, routine test on gas vehicles, training program for engaged in gas vehicles, and designation of safety manager for CNG bus company. This paper suggests how to improve safety of CNG vehicles as a result of review of above mentioned check items.

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