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1、某大型商場(chǎng)防排煙系統(tǒng)設(shè)計(jì)摘要改革開(kāi)放以后，我國(guó)經(jīng)濟(jì)飛躍式的發(fā)展，越來(lái)越多的大型商場(chǎng)拔地而起，出現(xiàn)在人們的生活中。但是大型商場(chǎng)給人們帶來(lái)便利的同時(shí)，也給人們帶來(lái)了恐懼，一旦商場(chǎng)內(nèi)發(fā)生火情，商場(chǎng)內(nèi)的可燃物就會(huì)產(chǎn)生大量的煙氣，導(dǎo)致人員被熏倒、中毒、窒息，給人員的疏散和火災(zāi)救援造就了難題。本課題設(shè)計(jì)項(xiàng)目是某四層的大型商場(chǎng)，本設(shè)計(jì)共分為八個(gè)章節(jié)，分別介紹了國(guó)外國(guó)內(nèi)的防排煙技術(shù)的發(fā)展現(xiàn)狀，以及設(shè)計(jì)防排煙的意義；根據(jù)該商場(chǎng)的工程設(shè)計(jì)相關(guān)資料，對(duì)該商場(chǎng)進(jìn)行火災(zāi)危險(xiǎn)性評(píng)估；通過(guò)劃分防火分區(qū)和防煙分區(qū)來(lái)對(duì)有害的煙氣進(jìn)行控制，選擇合理的適合本商場(chǎng)的防排煙方式；根據(jù)樓梯間的結(jié)構(gòu)選擇樓梯間的防煙方式，計(jì)算送風(fēng)量的大
2、小選擇合適的風(fēng)機(jī)；對(duì)本設(shè)計(jì)的商場(chǎng)大廳進(jìn)行排煙設(shè)計(jì)，通過(guò)計(jì)算每個(gè)防煙分區(qū)負(fù)擔(dān)的排煙量選擇該排煙系統(tǒng)合適的排煙風(fēng)機(jī)，并繪制管道系統(tǒng)布置圖；進(jìn)行管網(wǎng)水力計(jì)算；防排煙附件的選型，相對(duì)完善的總結(jié)了如何進(jìn)行該商場(chǎng)防排煙系統(tǒng)的設(shè)計(jì)思路以及實(shí)用性。設(shè)計(jì)防排煙系統(tǒng)的目的就是要控制火災(zāi)中煙氣的流動(dòng)方向，并能有效的阻止有害煙氣迅速蔓延至其他區(qū)域，營(yíng)造火場(chǎng)人員的安全疏散和消防人員撲救火災(zāi)的條件，所以防排煙技術(shù)受到社會(huì)的廣泛重視，在建筑防火方面占有很重要領(lǐng)域，在大型商場(chǎng)內(nèi)設(shè)置防煙、排煙設(shè)施是十分必要的。關(guān)鍵詞:大型商場(chǎng)防排煙系統(tǒng)設(shè)計(jì)說(shuō)明DesignofVentilationandSmokeExhaustSystem
3、foranOfficeBuildingABSTRACTAfterthereformandopeningup,China'srapiddevelopmentoftheeconomy,moreandmorelargeshoppingmallswheretheystand,appearinpeople'slives.Butthelargeshoppingmallstobringconveniencetopeopleatthesametime,butalsotobringpeoplefear,oncethefireinthemall,thestore'scombustiblematerialwil
4、lproducealotoffluegas,resultinginpersonnelweresmoked,poisoned,suffocated,toPersonnelevacuationandfirerescuecreatedaproblem.Thedesignoftheprojectisafour-storeyshoppingmalls,thedesignisdividedintoeightchapters,respectively,introducedthedomesticforeignsmokeandsmoketechnologydevelopmentstatus,andthede
5、signofthesignificanceofsmoke;accordingtotherelevantinformationaboutthemall,Thefireriskanalysis;bydividingthefirezoneandsmokepartitioncontrolofthesmoke,chooseareasonablewaytosmokecontrol;accordingtothestructureofthestaircasetochoosethewaybetweenthestairssmoke,calculatethesizeoftheairsupplytochooset
6、heappropriateFan;thesmokeexhaustdesignofthehall,bycalculatingtheamountofsmokeineachsmokepartitionselectedsmokeexhaustsystem,anddrawthepipelinesystemlayout;pipenetworkhydrauliccalculation;Type,relativelyperfectsummaryofhowtocarryouttheshoppingmallsmokeexhaustsystemdesignideasandpracticality.Thepurp
7、oseofthesmokecontrolsystemistocontrolthesmokeflowinthefiretopreventtherapidspreadoffluegastootherareas,tocreateasafeevacuationoffirepersonnelandfirefighterstofightthefireconditions,sosmokecontroltechnologybyTheco
