옥내소화전 방수구에 부착되는 감압오리피스의 감압성능에 관한 연구

Indoor hydrant facilities are used to fight initial fires before more intense fire extinguishing activities. Fire extinguishing facilities should ensure good fire extinguishing performance and the safety of users. Indoor hydrant facilities are mostly installed in buildings and facilities, and users...

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Published in한국화재소방학회 논문지 Vol. 29; no. 3; pp. 6 - 12
Main Authors 박봉래(Park, Bong-Rae), 이맹로(Lee, Meng-Ro), 장경남(Jang, Kyung-Nam), 백은선(Baek, Eun-Sun)
Format Journal Article
LanguageKorean
Published 한국화재소방학회 30.06.2015
Subjects
Online AccessGet full text
ISSN1738-7167
2508-6804
2765-088X
DOI10.7731/KIFSE.2015.29.3.006

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Abstract Indoor hydrant facilities are used to fight initial fires before more intense fire extinguishing activities. Fire extinguishing facilities should ensure good fire extinguishing performance and the safety of users. Indoor hydrant facilities are mostly installed in buildings and facilities, and users must manipulate valves, hoses, and nozzles manually. When the discharge pressure is higher than 0.70 MPa, there is a high possibility that problems with manipulation and hose breakdown can occur. To prevent these problems, a method to attach orifice-type decompression valves to the angle valves of indoor hydrant discharge outlets has frequently been used for decompression methods. However, the decompression performance was reduced due to structural problems of the decompression valves over time. Accordingly, based on three-stage initial pressures, applicable pressure ranges were selected by measuring the decompression performance according to the diameter of the decompression orifices. Based on the data, stable decompression valve models are proposed. These models have the lowest decrease in decompression performance, regardless of time. 소화설비는 초기소화를 목적으로 설치하여 소방대의 본격소화활동이전에 사용하는 소방설비로서 소화성능은 물론 사용자의 안전을 보장하여야 한다. 옥내소화전설비의 경우 건축물에 많이 설치된 소화설비로서 화재 시 사용자가 밸브조작 및 호스와 노즐을 수동으로 사용해야하는 설비이다. 따라서 방수압력이 0.70 MPa보다 높은 경우 조작과 호스파손 등의 문제가 발생할 수 있다. 이를 방지하기위해 사용되는 감압방식 중 옥내소화전방수구인 앵글밸브에 오리피스형태인 감압밸브를 부착하는 방식을 많이 사용하고 있다. 하지만 감압밸브는 구조적인 문제로 인하여 사용기간의 경과에 따라 감압성능이 저하되는 것을 확인하였다. 이에 따라 3단계의 초기압력을 기준으로 감압오리피스의 직경별 감압성능을 측정하여 적용 가능한 압력범위를 선정하고 이를 자료로 시간경과에도 감압성능의 저하를 최소화 하는 안정적인 감압밸브 모델을 제시하였다.
AbstractList Indoor hydrant facilities are used to fight initial fires before more intense fire extinguishing activities. Fire extinguishing facilities should ensure good fire extinguishing performance and the safety of users. Indoor hydrant facilities are mostly installed in buildings and facilities, and users must manipulate valves, hoses, and nozzles manually. When the discharge pressure is higher than 0.70 MPa, there is a high possibility that problems with manipulation and hose breakdown can occur. To prevent these problems, a method to attach orifice-type decompression valves to the angle valves of indoor hydrant discharge outlets has frequently been used for decompression methods. However, the decompression performance was reduced due to structural problems of the decompression valves over time. Accordingly, based on three-stage initial pressures, applicable pressure ranges were selected by measuring the decompression performance according to the diameter of the decompression orifices. Based on the data, stable decompression valve models are proposed. These models have the lowest decrease in decompression performance, regardless of time. 소화설비는 초기소화를 목적으로 설치하여 소방대의 본격소화활동이전에 사용하는 소방설비로서 소화성능은 물론 사용자의 안전을 보장하여야 한다. 옥내소화전설비의 경우 건축물에 많이 설치된 소화설비로서 화재 시 사용자가 밸브조작 및 호스와 노즐을 수동으로 사용해야하는 설비이다. 따라서 방수압력이 0.70 MPa보다 높은 경우 조작과 호스파손 등의 문제가 발생할 수 있다. 이를 방지하기위해 사용되는 감압방식 중 옥내소화전방수구인 앵글밸브에 오리피스형태인 감압밸브를 부착하는 방식을 많이 사용하고 있다. 하지만 감압밸브는 구조적인 문제로 인하여 사용기간의 경과에 따라 감압성능이 저하되는 것을 확인하였다. 이에 따라 3단계의 초기압력을 기준으로 감압오리피스의 직경별 감압성능을 측정하여 적용 가능한 압력범위를 선정하고 이를 자료로 시간경과에도 감압성능의 저하를 최소화 하는 안정적인 감압밸브 모델을 제시하였다.
소화설비는 초기소화를 목적으로 설치하여 소방대의 본격소화활동이전에 사용하는 소방설비로서 소화성능은 물론 사용자의 안전을 보장하여야 한다. 옥내소화전설비의 경우 건축물에 많이 설치된 소화설비로서 화재 시 사용자가 밸브조작및 호스와 노즐을 수동으로 사용해야하는 설비이다. 따라서 방수압력이 0.70 MPa보다 높은 경우 조작과 호스파손 등의문제가 발생할 수 있다. 이를 방지하기위해 사용되는 감압방식 중 옥내소화전방수구인 앵글밸브에 오리피스형태인 감압밸브를 부착하는 방식을 많이 사용하고 있다. 하지만 감압밸브는 구조적인 문제로 인하여 사용기간의 경과에 따라 감압성능이 저하되는 것을 확인하였다. 이에 따라 3단계의 초기압력을 기준으로 감압오리피스의 직경별 감압성능을 측정하여 적용 가능한 압력범위를 선정하고 이를 자료로 시간경과에도 감압성능의 저하를 최소화 하는 안정적인 감압밸브 모델을 제시하였다. Indoor hydrant facilities are used to fight initial fires before more intense fire extinguishing activities. Fire extinguishingfacilities should ensure good fire extinguishing performance and the safety of users. Indoor hydrant facilities aremostly installed in buildings and facilities, and users must manipulate valves, hoses, and nozzles manually. When the dischargepressure is higher than 0.70 MPa, there is a high possibility that problems with manipulation and hose breakdowncan occur. To prevent these problems, a method to attach orifice-type decompression valves to the angle valves of indoorhydrant discharge outlets has frequently been used for decompression methods. However, the decompression performancewas reduced due to structural problems of the decompression valves over time. Accordingly, based on three-stageinitial pressures, applicable pressure ranges were selected by measuring the decompression performance according to thediameter of the decompression orifices. Based on the data, stable decompression valve models are proposed. These modelshave the lowest decrease in decompression performance, regardless of time. KCI Citation Count: 1
Author 백은선(Baek, Eun-Sun)
이맹로(Lee, Meng-Ro)
장경남(Jang, Kyung-Nam)
박봉래(Park, Bong-Rae)
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Snippet Indoor hydrant facilities are used to fight initial fires before more intense fire extinguishing activities. Fire extinguishing facilities should ensure good...
소화설비는 초기소화를 목적으로 설치하여 소방대의 본격소화활동이전에 사용하는 소방설비로서 소화성능은 물론 사용자의 안전을 보장하여야 한다. 옥내소화전설비의...
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Title 옥내소화전 방수구에 부착되는 감압오리피스의 감압성능에 관한 연구
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Volume 29
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