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《Journal of Safety and Environment》 2003-05
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LIU Feng, HU Zhu-fei (Fire Protection Department of Nanchang Fire Detachment, Nanchang 330003, Jiangxi,China)  
The present paper has introduced a simplified design project of sprinkler systems specifically purposed for recreational places. The author's version is conceived and devised on the basis of the "Code of Design on Building Fire Protection and Prevention" (2001 edition). The author's design is superior to the version suggested in the 2001 version, for the author studied carefully the original restriction of the sprinkler system design due to the historical conditions of the day, which is likely to lead to the failure to meet the urgent need. The present author carefully analyzed and calculated the flowrate as well as sprinkler intensity of the minimum water pressure with respect to the weakest point in a dancing hall of 930 square meters by using a nozzle working pressure of 10 mH2O and 5 mH2O. Having analyzed the business hours and general rule of fire-prevention in such places, the author has brought about the simplified design project, giving particular stress on overcoming the inherent restrictions for reconstruction while retaining the initial fire-extinguishing function. For safety reasons, the new version has cancelled such intricate indicators and switches as the flowrate indicator, alarming valve, the water pressure switch, water conservancy alarm bell and warning controller, fire control water tank, fire control pond and fire control water pump, and so on. Instead, it is designed to directly use the outdoor municipal water supply pressure of pipe network. In case of urgent need, supportive water pressure strength can be added to meet the needs of Grade One Danger to ensure the constant water supply both at the response to the daytime as well as night hour urgent appeal.
【CateGory Index】: TU892
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Chinese Journal Full-text Database 1 Hits
1 Zhang Zhaoxian et al;Low Pressure Nozzle and Simple Automatic Sprinkling System for Fire Control[J];Water & Wastewater Engineering;2002-03
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