《細(xì)水霧滅火系統(tǒng)技術(shù)規(guī)范》gb50898-2013

1、《細(xì)水霧滅火系統(tǒng)技術(shù)規(guī)范》GB508982013PDFcreatedwithpdfFactyProtrialversion目次1總則.....................................................................................................................12術(shù)語(yǔ)、符號(hào)..............................

2、...........................................................................22.1術(shù)語(yǔ)................................................................................................................22.2符號(hào).....................

3、...........................................................................................33系統(tǒng)設(shè)計(jì).............................................................................................................53.1一般規(guī)定......

4、..................................................................................................53.2系統(tǒng)選型........................................................................................................63.3設(shè)計(jì)參數(shù)..

5、......................................................................................................63.4噴頭布置........................................................................................................83.5水力

6、計(jì)算........................................................................................................93.6供水............................................................................................................

7、..114系統(tǒng)組件...........................................................................................................134.1一般規(guī)定...............................................................................................

8、.......134.2供水裝置與過(guò)濾器......................................................................................134.3噴頭與閥組..................................................................................................144.4管

9、道、管件及吊架......................................................................................155操作與控制.......................................................................................................166施工...........

10、........................................................................................................176.1一般規(guī)定......................................................................................................176.2

11、安裝要求......................................................................................................187系統(tǒng)調(diào)試...........................................................................................................

12、227.1一般規(guī)定......................................................................................................227.2調(diào)試要求....................................................................................................

13、..228系統(tǒng)驗(yàn)收...........................................................................................................258.1一般規(guī)定...............................................................................................

14、.......258.2驗(yàn)收要求......................................................................................................259維護(hù)管理...............................................................................................

15、............30PDFcreatedwithpdfFactyProtrialversion附錄A噴頭或管道與無(wú)絕緣帶電設(shè)備的最小間距............................................32附錄B莫迪圖................................................................................................

16、......332.1.9全淹沒(méi)細(xì)水霧系統(tǒng)totalfloodingapplicationwatermistsystem能向整個(gè)防護(hù)區(qū)內(nèi)均勻地噴放細(xì)水霧，保護(hù)其內(nèi)部所有防護(hù)對(duì)象的細(xì)水霧滅火系統(tǒng)。2.1.10局部應(yīng)用細(xì)水霧系統(tǒng)localapplicationwatermistsystem直接向保護(hù)對(duì)象噴放細(xì)水霧，用于保護(hù)室內(nèi)外某一具體防護(hù)對(duì)象或局部空間的細(xì)PDFcreatedwithpdfFactyProtrialversion3水霧滅火

17、系統(tǒng)。2.1.10區(qū)域應(yīng)用細(xì)水霧系統(tǒng)zonedapplicationwatermistsystem保護(hù)防護(hù)區(qū)內(nèi)某一預(yù)定區(qū)域的細(xì)水霧系統(tǒng)。2.1.11分區(qū)控制閥sectionvalve接收系統(tǒng)控制盤的控制信號(hào)而開啟，使細(xì)水霧噴頭向?qū)?yīng)的防護(hù)對(duì)象噴放實(shí)施滅火的控制閥。2.1.12閉式細(xì)水霧系統(tǒng)closedwatermistsystem由閉式細(xì)水霧噴頭、分區(qū)控制閥、供水管網(wǎng)及供水裝置所構(gòu)成的系統(tǒng)。2.1.13開式細(xì)水霧系統(tǒng)openwaterm

18、istsystem由開式細(xì)水霧噴頭、分區(qū)控制閥、供水管網(wǎng)、供水裝置及火災(zāi)報(bào)警裝置所構(gòu)成的系統(tǒng)。2.2符號(hào)C——管道的摩阻系數(shù)d——管道內(nèi)徑?——摩擦系數(shù)K——流量系數(shù)L——管長(zhǎng)n——累計(jì)計(jì)算的噴頭數(shù)p——單位長(zhǎng)度管道的水力損失Pf——管道水力損失Pt——系統(tǒng)的供水壓力Pf——管道水力損失Pe——水力最不利點(diǎn)噴頭與貯水箱最低水位的靜壓差P——噴頭的設(shè)計(jì)工作壓力qi——每個(gè)計(jì)算噴頭的實(shí)際流量Q——系統(tǒng)的設(shè)計(jì)流量Re——雷諾數(shù)PDFcreat