【正文】 ........11第 3 章 消火栓系統(tǒng)設(shè)計(jì) ....................................................................................................................................15 消防用水量 ...........................................................................................................................................15 室外消火栓的設(shè)計(jì) ...............................................................................................................................16 室外消火栓的數(shù)量 ....................................................................................................................16 室外消火栓的布置要求 ............................................................................................................16 室內(nèi)消火栓的設(shè)計(jì) ...............................................................................................................................16 室內(nèi)消火栓、水槍、水帶型號的選定 ....................................................................................16 充實(shí)水柱的計(jì)算 ........................................................................................................................17 消火栓間距及保護(hù)半徑 ............................................................................................................18 消火栓栓口處所需壓力 ............................................................................................................19 給水管網(wǎng)管徑和水頭損失 ........................................................................................................21 消防水泵 ....................................................................................................................................23 消防水箱 ....................................................................................................................................24 消防水池 ....................................................................................................................................25第 4 章 自動噴水滅火系統(tǒng)設(shè)計(jì) ........................................................................................................................26 確定火災(zāi)危險(xiǎn)等級 ...............................................................................................................................26 系統(tǒng)選型 ...............................................................................................................................................27 確定設(shè)計(jì)參數(shù) .......................................................................................................................................27 噴頭的選擇與布置 ...............................................................................................................................29 噴頭的選擇 ................................................................................................................................29 噴頭的布置 ................................................................................................................................29 系統(tǒng)流量計(jì)算 .......................................................................................................................................31 校核噴水強(qiáng)度 .......................................................................................................................................31 管道水力計(jì)算 .....................................................................................................................................32 管道的沿程水頭損失 ................................................................................................................32 管道局部水頭損失 ....................................................................................................................32 沿程和局部水頭損失 ................................................................................................................33 管系特性系數(shù) ............................................................................................................................34 水泵揚(yáng)程或系統(tǒng)入水口的供水壓力 ........................................................................................34 水箱高度的確定 ........................................................................................................................35 計(jì)算流程 ...............................................................................................................................................35 水泵供水水力計(jì)算 ....................................................................................................................35 流速校核 ....................................................................................................................................37 水泵供水噴水強(qiáng)度校核 ............................................................................................................37 噴淋泵的選型 ............................................................................................................................38 水泵接合器的設(shè)置及水池容積 ................................................................................................38 水箱供水水力計(jì)算 ....................................................................................................................38 水箱供水噴水強(qiáng)度校核 ............................................................................................................40 噴淋系統(tǒng)計(jì)算小結(jié) ...............................................................................................................................41 水泵 ............................................................................................................................................41 水箱 ............................................................................................................................................41設(shè)計(jì)總結(jié) ..............................................................................................................................................................42參考文獻(xiàn) ..............................................................................................................................................................430第 1 章 概述 研究背景2022 年 4 月 14 日 6 時(shí)左右，湖北省襄陽市樊城區(qū)前進(jìn)東路一景城市花園酒店發(fā)生火災(zāi)，8 時(shí) 50 分大