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Journal of Korean Institute of Fire Science and Engineering 2008;22(1):93-98.
Published online March 31, 2008.
지중송전선로 접속부용 미분무 강화액 소화설비의 개발연구
이성모
(주)SH엔지니어링
Development of Loaded Stream Fire Extinguishing Systems for Underground Transmission Cables
Lee Sung-Mo
요약
지하전력구에서의 지중송전선로 접속부의 화재에 대한 강화액 미분무 소화설비의 개발을 위한 화재시험을 수행하였다. 높이 5.5m, 폭 3m, 길이 6m의 화재시험실에 154 kV OF 케이블 6단으로 소화모형을 설치하였으며 하부의 점화대의 연료는 휘발유를 사용하였다. 화재감지용 정온식 감지선형 감지기는 케이블 최상단에 설치하였고, 소화약제 방출노즐은 천장부와 측벽부에 각각 설치하였다. 총 7회의 소화시험을 실시하고 미분무 강화액 소화설비로 개발된 제품을 소화모형에 방사하여 표면화재 및 심부화재의 판정기준인 3분 이내에 성공적으로 소화하였다.
Abstract
Full-scale fire extinguishment tests were conducted to develop loaded stream fire extinguishing systems for protecting underground transmission cables. The dimension of test mock-up was 5.5m height${ imes}3m$ width ${ imes}6m$ length, and six 154kV OF cables were piled up. Gasoline was used to ignite cates. Linear heat detection cables were installed on top of 154 kV OF cable and discharge nozzles were installed on the top and sidewalls, respectively. As a result, both surface fires and deap-seated fires were extinguished successfully within the specified 3 minutes by discharging loaded stream agent.
Key Words: Loaded stream, Water mist, Deep-seated fire, Surface fire


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