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1.通風、空氣調節系統的風管在下列部位應設置公稱動作溫度為70℃的防火閥。①穿越防火分區處。②穿越通風空調機房的房間隔墻和樓板處。③穿越重要或火災危險性大的場所的房間隔墻和樓板處。④穿越防火分隔處的變形縫兩側。⑤豎向風管與每層水平風管交接處的水平管段上,當建筑內每個防火分區的通風、空氣調節系統值得信賴的天園地方管均獨立設置時,水平風管與豎向總管的交接處可不設置防火閥。2.公共建筑的浴室、衛生間和廚房的豎向排風管,天園地方管廠家應采取防(fang)(fang)止回流措施(shi)并宜在支管(guan)上設置公(gong)稱(cheng)動作溫度為70℃的(de)防(fang)(fang)火(huo)閥。公(gong)共建筑內(nei)廚(chu)房(fang)的(de)排(pai)(pai)油煙(yan)管(guan)道(dao)宜按防(fang)(fang)火(huo)分區設置,且在與(yu)豎向排(pai)(pai)風管(guan)連(lian)接的(de)支管(guan)處應設置公(gong)稱(cheng)動作溫度為150℃的(de)防(fang)(fang)火(huo)閥。 3.排(pai)(pai)煙(yan)防(fang)(fang)火(huo)閥(280℃)的(de)設置場所:①排(pai)(pai)煙(yan)管(guan)進入(ru)排(pai)(pai)風機房(fang)處;②穿越防(fang)(fang)火(huo)分區的(de)排(pai)(pai)煙(yan)管(guan)道(dao)上;③排(pai)(pai)煙(yan)系統的(de)支管(guan)上;
一(yi)、風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)及(ji)部件安(an)裝(zhuang)(zhuang)的(de)(de)(de)(de)(de)(de)有(you)(you)關規(gui)(gui)定(ding)1.風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)安(an)裝(zhuang)(zhuang)的(de)(de)(de)(de)(de)(de)強(qiang)制(zhi)規(gui)(gui)定(ding),當風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)穿(chuan)過需要(yao)封閉的(de)(de)(de)(de)(de)(de)防(fang)火、防(fang)爆墻體或樓板時,應(ying)(ying)設(she)預埋管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)或防(fang)護(hu)套(tao)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)。套(tao)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)鋼板厚度不應(ying)(ying)小于(yu)1.6mm,風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)與防(fang)護(hu)套(tao)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)之(zhi)間應(ying)(ying)用不燃(ran)且對人(ren)體無(wu)害的(de)(de)(de)(de)(de)(de)柔性材料封堵,風(feng)(feng)道(dao)應(ying)(ying)安(an)裝(zhuang)(zhuang)設(she)防(fang)火閥。風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)內(nei)嚴(yan)禁各種管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)、電線敷(fu)設(she)及(ji)穿(chuan)越;輸送含有(you)(you)易(yi)燃(ran)易(yi)爆氣體或安(an)裝(zhuang)(zhuang)在易(yi)燃(ran)易(yi)爆環境的(de)(de)(de)(de)(de)(de)風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)系統,應(ying)(ying)有(you)(you)良好(hao)的(de)(de)(de)(de)(de)(de)接(jie)地,通過生活區、生產房間時必(bi)須嚴(yan)密,不得(de)設(she)接(jie)口;室外主管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)(de)固定(ding)拉索嚴(yan)禁拉在避(bi)雷(lei)針或避(bi)雷(lei)網上。輸送溫(wen)度高于(yu)80℃的(de)(de)(de)(de)(de)(de)空氣的(de)(de)(de)(de)(de)(de)風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan),應(ying)(ying)按設(she)計要(yao)求采取防(fang)護(hu)措施。2.風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)安(an)裝(zhuang)(zhuang)的(de)(de)(de)(de)(de)(de)一(yi)般規(gui)(gui)定(ding)風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)安(an)裝(zhuang)(zhuang)宜在建筑圍護(hu)結構施工(gong)完畢、場所清理后進行(xing)。凈(jing)化空調風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)應(ying)(ying)在安(an)裝(zhuang)(zhuang)部位(wei)地面做(zuo)好(hao),墻面抹(mo)灰(hui)工(gong)序完畢,室內(nei)無(wu)飛塵或有(you)(you)防(fang)塵措施后進行(xing)。安(an)裝(zhuang)(zhuang)風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)前應(ying)(ying)清除管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)內(nei)外雜(za)物(wu),并做(zuo)好(hao)清潔(jie)和保護(hu)工(gong)作,風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)安(an)裝(zhuang)(zhuang)的(de)(de)(de)(de)(de)(de)位(wei)置、標高和走向等應(ying)(ying)符合設(she)計要(yao)求,現場風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)接(jie)口的(de)(de)(de)(de)(de)(de)配置不得(de)縮小有(you)(you)效截面。
1、通風(feng)機(ji)安(an)(an)裝(zhuang)(zhuang)應(ying)符(fu)合(he)下列規定(ding)(ding)(ding)(ding)(1)風(feng)機(ji)試(shi)運(yun)轉時,葉(xie)輪旋(xuan)轉方(fang)向正確,經不(bu)少于2H運(yun)轉后,滑動(dong)軸(zhou)承溫升(sheng)不(bu)超(chao)過(guo)(guo)35度(du),高溫度(du)不(bu)超(chao)過(guo)(guo)70度(du);滾(gun)動(dong)軸(zhou)承溫升(sheng)不(bu)超(chao)過(guo)(guo)40度(du),高溫度(du)不(bu)超(chao)過(guo)(guo)80度(du)。(2)離心(xin)風(feng)機(ji)與(yu)減(jian)震(zhen)(zhen)臺(tai)座接(jie)觸緊密,螺栓擰緊,并(bing)有防松(song)裝(zhuang)(zhuang)置。(3)管道風(feng)機(ji)采(cai)用(yong)減(jian)震(zhen)(zhen)吊架(jia)(jia)(jia)安(an)(an)裝(zhuang)(zhuang)時,風(feng)機(ji)與(yu)減(jian)震(zhen)(zhen)吊架(jia)(jia)(jia)連接(jie)緊密,牢固(gu)(gu)可(ke)靠;采(cai)用(yong)支拖(tuo)架(jia)(jia)(jia)安(an)(an)裝(zhuang)(zhuang)時,風(feng)機(ji)與(yu)減(jian)震(zhen)(zhen)器(qi)(qi)及支架(jia)(jia)(jia)、托架(jia)(jia)(jia)連接(jie)緊密,穩(wen)固(gu)(gu)可(ke)靠。2、過(guo)(guo)濾(lv)(lv)器(qi)(qi)、紙除(chu)塵(chen)器(qi)(qi)、過(guo)(guo)濾(lv)(lv)器(qi)(qi)吸收器(qi)(qi)安(an)(an)裝(zhuang)(zhuang)應(ying)符(fu)合(he)下列規定(ding)(ding)(ding)(ding)(1)各種(zhong)設(she)備的(de)型號、規格(ge)、額定(ding)(ding)(ding)(ding)風(feng)量必須符(fu)合(he)設(she)計(ji)要求。(2)各種(zhong)設(she)備的(de)安(an)(an)裝(zhuang)(zhuang)方(fang)向必須正確。(3)設(she)備與(yu)管路連接(jie)時,宜采(cai)用(yong)整體性(xing)的(de)橡膠(jiao)軟管接(jie)頭,并(bing)不(bu)得漏氣(qi);固(gu)(gu)定(ding)(ding)(ding)(ding)支架(jia)(jia)(jia)應(ying)平正穩(wen)定(ding)(ding)(ding)(ding)。(4)過(guo)(guo)濾(lv)(lv)器(qi)(qi)的(de)安(an)(an)裝(zhuang)(zhuang)應(ying)固(gu)(gu)定(ding)(ding)(ding)(ding)牢固(gu)(gu),過(guo)(guo)濾(lv)(lv)器(qi)(qi)與(yu)框架(jia)(jia)(jia)、框架(jia)(jia)(jia)與(yu)維(wei)護(hu)結(jie)構之間(jian)無明(ming)顯縫隙。(5)紙除(chu)塵(chen)器(qi)(qi)和過(guo)(guo)濾(lv)(lv)器(qi)(qi)的(de)安(an)(an)裝(zhuang)(zhuang),應(ying)固(gu)(gu)定(ding)(ding)(ding)(ding)牢固(gu)(gu),位(wei)置準確,連接(jie)嚴密。
按(an)照氣(qi)(qi)(qi)(qi)流(liu)(liu)(liu)(liu)運動來進(jin)(jin)行風(feng)(feng)(feng)機(ji)(ji)(ji)分(fen)類(lei)的(de)(de)有(you):1離(li)心(xin)(xin)風(feng)(feng)(feng)機(ji)(ji)(ji),氣(qi)(qi)(qi)(qi)流(liu)(liu)(liu)(liu)進(jin)(jin)入(ru)旋轉的(de)(de)葉片(pian)通道(dao),在(zai)(zai)離(li)心(xin)(xin)力作用下氣(qi)(qi)(qi)(qi)體(ti)被壓(ya)縮并沿著(zhu)半徑方(fang)(fang)向(xiang)流(liu)(liu)(liu)(liu)動。2軸(zhou)(zhou)流(liu)(liu)(liu)(liu)風(feng)(feng)(feng)機(ji)(ji)(ji)氣(qi)(qi)(qi)(qi)流(liu)(liu)(liu)(liu)軸(zhou)(zhou)向(xiang)進(jin)(jin)入(ru)風(feng)(feng)(feng)機(ji)(ji)(ji)葉輪后(hou),在(zai)(zai)旋轉葉片(pian)的(de)(de)流(liu)(liu)(liu)(liu)道(dao)中沿著(zhu)軸(zhou)(zhou)線方(fang)(fang)向(xiang)流(liu)(liu)(liu)(liu)動的(de)(de)風(feng)(feng)(feng)機(ji)(ji)(ji)。相(xiang)對于(yu)離(li)心(xin)(xin)風(feng)(feng)(feng)機(ji)(ji)(ji),軸(zhou)(zhou)流(liu)(liu)(liu)(liu)風(feng)(feng)(feng)機(ji)(ji)(ji)具有(you)流(liu)(liu)(liu)(liu)量(liang)大、體(ti)積小、壓(ya)頭低(di)的(de)(de)特點,用于(yu)有(you)灰塵和腐(fu)蝕(shi)性氣(qi)(qi)(qi)(qi)體(ti)場合時需注意。3斜(xie)流(liu)(liu)(liu)(liu)式(shi)(shi)(shi)(shi)(混流(liu)(liu)(liu)(liu)式(shi)(shi)(shi)(shi))風(feng)(feng)(feng)機(ji)(ji)(ji),在(zai)(zai)風(feng)(feng)(feng)機(ji)(ji)(ji)的(de)(de)葉輪中,氣(qi)(qi)(qi)(qi)流(liu)(liu)(liu)(liu)的(de)(de)方(fang)(fang)向(xiang)處于(yu)軸(zhou)(zhou)流(liu)(liu)(liu)(liu)式(shi)(shi)(shi)(shi)之(zhi)間,近似沿錐流(liu)(liu)(liu)(liu)動,故可稱為斜(xie)流(liu)(liu)(liu)(liu)式(shi)(shi)(shi)(shi)(混流(liu)(liu)(liu)(liu)式(shi)(shi)(shi)(shi))風(feng)(feng)(feng)機(ji)(ji)(ji)。這(zhe)種(zhong)風(feng)(feng)(feng)機(ji)(ji)(ji)的(de)(de)壓(ya)力系數比軸(zhou)(zhou)流(liu)(liu)(liu)(liu)式(shi)(shi)(shi)(shi)風(feng)(feng)(feng)機(ji)(ji)(ji)高,而(er)流(liu)(liu)(liu)(liu)量(liang)系數比離(li)心(xin)(xin)式(shi)(shi)(shi)(shi)風(feng)(feng)(feng)機(ji)(ji)(ji)高。
防(fang)(fang)(fang)火(huo)(huo)(huo)閥的(de)外觀(guan),防(fang)(fang)(fang)火(huo)(huo)(huo)閥應(ying)外觀(guan)完(wan)好(hao)無(wu)損,機(ji)械部(bu)(bu)分(fen)(fen)外表無(wu)銹蝕、變形(xing)或機(ji)械損傷。在其(qi)明(ming)(ming)顯部(bu)(bu)位設(she)(she)置(zhi)(zhi)永久性(xing)標(biao)(biao)(biao)牌,標(biao)(biao)(biao)明(ming)(ming)產(chan)(chan)品名(ming)稱、型號、規格(ge)、耐(nai)火(huo)(huo)(huo)性(xing)能(neng)及商(shang)標(biao)(biao)(biao)、生產(chan)(chan)單位(制造商(shang))名(ming)稱和廠址、出日期(qi)及產(chan)(chan)品生產(chan)(chan)批號、執行標(biao)(biao)(biao)準等(deng),內(nei)容清晰,設(she)(she)置(zhi)(zhi)牢靠。防(fang)(fang)(fang)火(huo)(huo)(huo)閥的(de)安裝位置(zhi)(zhi)防(fang)(fang)(fang)火(huo)(huo)(huo)閥主要(yao)安裝在風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)靠近(jin)防(fang)(fang)(fang)火(huo)(huo)(huo)分(fen)(fen)隔處(chu)(chu)(chu)(chu),暗裝時(shi),安裝部(bu)(bu)位應(ying)設(she)(she)置(zhi)(zhi)方便維護的(de)檢修(xiu)口。具(ju)體(ti)檢查要(yao)求(qiu)為:(1)通(tong)風(feng)(feng)(feng)、空調(diao)(diao)系統(tong)的(de)風(feng)(feng)(feng)管(guan)(guan)(guan)(guan),在以(yi)下部(bu)(bu)位應(ying)設(she)(she)置(zhi)(zhi)公稱動(dong)作溫度為70℃的(de)防(fang)(fang)(fang)火(huo)(huo)(huo)閥:①穿(chuan)越(yue)(yue)防(fang)(fang)(fang)火(huo)(huo)(huo)分(fen)(fen)區(qu)處(chu)(chu)(chu)(chu);②穿(chuan)越(yue)(yue)通(tong)風(feng)(feng)(feng)、空調(diao)(diao)機(ji)房的(de)房間隔墻和樓(lou)板處(chu)(chu)(chu)(chu);③穿(chuan)越(yue)(yue)重要(yao)或火(huo)(huo)(huo)災危險(xian)性(xing)大的(de)房間隔墻和樓(lou)板處(chu)(chu)(chu)(chu);④穿(chuan)越(yue)(yue)防(fang)(fang)(fang)火(huo)(huo)(huo)分(fen)(fen)隔處(chu)(chu)(chu)(chu)的(de)變形(xing)縫兩側(ce);⑤豎向(xiang)風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)與每層(ceng)水平風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)交(jiao)接處(chu)(chu)(chu)(chu)的(de)水平管(guan)(guan)(guan)(guan)段上(shang)。當建筑內(nei)每個防(fang)(fang)(fang)火(huo)(huo)(huo)分(fen)(fen)區(qu)的(de)通(tong)風(feng)(feng)(feng)、空調(diao)(diao)系統(tong)均獨立設(she)(she)置(zhi)(zhi)時(shi),水平風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)與豎向(xiang)總管(guan)(guan)(guan)(guan)的(de)交(jiao)接處(chu)(chu)(chu)(chu)可(ke)不設(she)(she)置(zhi)(zhi)防(fang)(fang)(fang)火(huo)(huo)(huo)閥。(2)公共(gong)建筑的(de)浴室、衛生間和廚(chu)房的(de)豎向(xiang)排(pai)風(feng)(feng)(feng)管(guan)(guan)(guan)(guan),應(ying)采取防(fang)(fang)(fang)止回流措施,并宜在支管(guan)(guan)(guan)(guan)上(shang)設(she)(she)置(zhi)(zhi)防(fang)(fang)(fang)火(huo)(huo)(huo)閥。(3)公共(gong)建筑內(nei)廚(chu)房的(de)排(pai)油煙管(guan)(guan)(guan)(guan)道,宜按防(fang)(fang)(fang)火(huo)(huo)(huo)分(fen)(fen)區(qu)設(she)(she)置(zhi)(zhi),且在與豎向(xiang)排(pai)風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)連接的(de)支管(guan)(guan)(guan)(guan)處(chu)(chu)(chu)(chu)應(ying)設(she)(she)置(zhi)(zhi)防(fang)(fang)(fang)火(huo)(huo)(huo)閥。