Fire Science and Engineering (한국화재소방학회논문지)

Korean Institute of Fire Science and Engineering (한국화재소방학회)
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Development of Loaded Stream Fire Extinguishing Systems for Underground Transmission Cables

지중송전선로 접속부용 미분무 강화액 소화설비의 개발연구

  • Published : 2008.03.31
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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${\times}3m$ width ${\times}6m$ 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.

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.

Keywords

References

  1. A.E. Finnerty, R.L. McGill, and W.A. Slack, "Water-based Halon Replacement Sprays", ARTTR- 1138, U.S. Army Research Lab., pp.1-2(1996)
  2. Z. Jiang, W.K. Chow, J. Tang, and S.F. Li, "Preliminary study on the Suppression Chemistry of Water Mists on Poly(methyl methacrylate) Flames", Polymer Degradation and Stability, Vol.86, Issue 2, pp.293-300(2004) https://doi.org/10.1016/j.polymdegradstab.2004.03.024
  3. 한전규격, "지중송전케이블 접속부용 강화액자동소화 장치", pp.14-19, 한국전력공사
  4. A.K. Kim, "Improvement of Water Mist Performance with Foam Additives", Proceedings of Fire Suppression and Detection Research Application Symposium, pp.439-447(2001)
  5. B.A. Williams and J.W. Fleming, "Suppression Mechanisms of Alkali Metal Compounds", Halon Options Technical Working Conference, pp.157- 169(1999)
  6. National Fire Protection Association, Fire Protection Handbook, MA : Quincy, pp.2-88(1997)
  7. National Fire Protection Association, NFPA 750 : Standard on Water Mist Fire Protection Systems (2003)
  8. B. Downie, C. Polymeropoulos, and G. Gogos, "Interaction of a Water Mist with a Buoyant Methane Diffusion Flame", Fire Safety Journal, Vol.24, pp.359-381(1995) https://doi.org/10.1016/0379-7112(95)00029-1
  9. B. Yao, W. Fan, and G. Liao, "Interaction of Water Mists with a Diffusion Flame in a Confined Space", Fire Safety Journal, Vol.33, pp.129-139(1999) https://doi.org/10.1016/S0379-7112(99)00020-X
  10. H.K. Chelliah, A.K. Lazzarini, P.C. Wanigarathne, and G.T. Linteris, "Inhibition of Premixed and Nonpremixed Flames with Fine Droplets of Water and Solutions", Proceedings of the Combustion Institute, Vol.29, pp.369-376(2002)