【正文】 ....................................................................... 39 系統(tǒng)構(gòu)成 ............................................................................................. 39 火災(zāi)探測(cè)報(bào)警系統(tǒng) ............................................................................ 39 探測(cè)報(bào)警的設(shè)計(jì) ........................................................................................... 40 火災(zāi)探測(cè)報(bào)警系統(tǒng)的設(shè)計(jì) ................................................................ 40 可燃?xì)怏w探測(cè)報(bào)警系統(tǒng)的設(shè)計(jì) ........................................................ 41 火災(zāi)探測(cè)器的選擇 ....................................................................................... 41 一般規(guī)定 ............................................................................................. 41 火災(zāi)探測(cè)器的選用 ............................................................................. 42 探測(cè)器的平面布置 ....................................................................................... 42 探測(cè)器布置的基本原則 .................................................................... 42 探測(cè)器數(shù)量的確定 ............................................................................. 43 探測(cè)器數(shù)量及布置 ............................................................................. 44 手動(dòng)報(bào)警按鈕 ............................................................................................... 48 火災(zāi)聲和（或）光報(bào)警系統(tǒng)的設(shè)置 ........................................................... 50 III 本章小結(jié) ....................................................................................................... 51 4 安全疏散驗(yàn)證 ...................................................................................................... 52 5 結(jié) 論 .................................................................................................................. 72 6 致 謝 .................................................................................................................. 73 7 參考文獻(xiàn) .............................................................................................................. 74 附錄 1 無縫鋼管規(guī)格 ............................................................................................. 76 附錄 2 彎頭規(guī)格 ..................................................................................................... 78 附錄 3 三通規(guī)格 ..................................................................................................... 78 附錄 4 變徑接頭 ..................................................................................................... 79 附錄 5 增壓為 （表壓）時(shí)七氟丙烷滅火系統(tǒng)噴頭等效孔口單位孔口單位面積噴射率 .......................................................................................................... 80 附錄 6 七氟丙烷噴頭性能規(guī)格 ............................................................................. 81 附錄 7 火災(zāi)自動(dòng)報(bào)警系統(tǒng)保護(hù)對(duì)象分級(jí) ............................................................. 82 續(xù)火災(zāi)自動(dòng)報(bào)警系統(tǒng)保護(hù)對(duì)象分級(jí) 1 ................................................................... 83 續(xù)火災(zāi)自動(dòng)報(bào)警系統(tǒng)保護(hù)對(duì)象分級(jí) 2 ................................................................... 84 附錄 8 探測(cè)器的安裝間距 a、 b 的極限曲線 ...................................................... 85 IV CONTENTS ABSTRACT ............................................................................................................... I ABSTRACT .............................................................................................................. II 1 Harbin Library Overview .................................................................................... 1 Basic profile ..................................................................................................... 1 Naturalclimatic conditions .............................................................................. 1 2 Design of heptafluoropropane fire extinguishing system .................................. 2 Heptafluoropropane fire extinguishing system ................................................ 2 General provisions of the gas extinguishing system ............................. 2 Characteristics ....................................................................................... 3 Division of fire protection district ......................................................... 4 Fire extinguishing system calculation .............................................................. 5 Firefighting design concentration ........................................................ 5 Fireextinguishing desigh ...................................................................... 6 Fireextinguishing cylinder specifications and quantity ....................... 7 Agent application .................................................................................. 8 Nozzle size and determine the number ................................................. 8 Pipeline design average flow .............................................................. 10 Select the work pipe size ................................................................ 15 Filling rate calculation ......................................................................... 20 Network pipes internal volume ........................................................... 23 Rated pressure ................................................................................... 25 Calculate the total storage container with gas volume ...................... 25 Point pressure in the storage container .............................................. 28 Calculating line loss .......................................................................... 29 Calculating elevation head ................................................................ 31 V Calculating of nozzle working pressure ............................................ 32 Checking design calculations results ................................................ 33 Equivalent nozzle orifice size and nozzle specifications .................. 33