由民用建筑锅炉房水雾喷头布置引发的思考

Considerations on nozzle layout in water spray fire control system for civil boiler house

对《水喷雾灭火系统设计规范》中有效射程提出了不同的观点。阐述了理论计算与特性曲线之间的关系 ,论述了喷头平面布置间距及喷口与保护对象距离的直接计算方法 ,并对以建筑物为防护对象时的保护面积与喷头喷口距离的确定提出了建议 ,指出了目前国产水雾喷头特性曲线中存在的问题。呼吁行业主管部门尽快制定产品统一技术标准 。

Some exceptions on effective water jet range are submitted to the code of design for water spray fire extinguishing systems(GB50129-95). In this paper the calculated results and the findings from the nozzle characteristic curve are explained comparatively, and the direct method to calculate the interval of nozzles in plan layout and the distance from the tip of jet to service object are discussed. In addition also some commendations deal with the calculation of service area and the distance from the jet tip to service object are proposed, these ideas are suitable in case when the building body is decided as main protective object. The common appearing problems in the characteristic curve of the homemade nozzles are indicated. Unified technical standard for this product is called on, this will be essential to guarantee the normal operation of the water spray fire extinguishing system.