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通風、空調設備防火防爆措施1、空氣中含有容易起火或爆炸物質的房間,其送、排風系統應采用防爆型的通風設備和不會產生火花的材料(如可采用有色金屬制造的風機葉片和防爆電動機)。當送風機布置在單獨分隔的通風機房內,且送風干管上設置防止回流設施時,中央空調價格可采用普通型通風設備。2、含有易燃、易爆粉塵(碎屑)的空氣,在進入排風機前應采用不產生火花的除塵器進行處理,萬州中央空調以防(fang)(fang)止(zhi)除(chu)塵(chen)(chen)器(qi)工作過程(cheng)中產(chan)生火花(hua)引(yin)起(qi)(qi)粉塵(chen)(chen)、碎(sui)屑燃(ran)燒或爆(bao)(bao)炸(zha)。對于(yu)遇濕可(ke)能爆(bao)(bao)炸(zha)的(de)(de)(de)粉塵(chen)(chen)(如電石、鋅粉、鋁鎂合(he)金粉等),嚴(yan)禁采(cai)用(yong)濕式除(chu)塵(chen)(chen)器(qi)。3、排除(chu)、輸送有(you)燃(ran)燒、爆(bao)(bao)炸(zha)危(wei)險的(de)(de)(de)氣(qi)(qi)體(ti)、蒸(zheng)氣(qi)(qi)和(he)粉塵(chen)(chen)的(de)(de)(de)排風系統,應(ying)采(cai)用(yong)不燃(ran)材(cai)料并設(she)有(you)導除(chu)靜電的(de)(de)(de)接地裝(zhuang)置(zhi)。其排風設(she)備不應(ying)布(bu)置(zhi)在地下、半地下建筑(室)內(nei),以防(fang)(fang)止(zhi)有(you)爆(bao)(bao)炸(zha)危(wei)險的(de)(de)(de)蒸(zheng)氣(qi)(qi)和(he)粉塵(chen)(chen)等物(wu)質(zhi)的(de)(de)(de)積聚(ju)。4、排除(chu)、輸送溫度超過80℃的(de)(de)(de)空氣(qi)(qi)或其他氣(qi)(qi)體(ti)以及容易起(qi)(qi)火的(de)(de)(de)碎(sui)屑的(de)(de)(de)管道,與(yu)可(ke)燃(ran)或難燃(ran)物(wu)體(ti)之間應(ying)保持不小于(yu)150mm的(de)(de)(de)間隙,或采(cai)用(yong)厚度不小于(yu)50mm的(de)(de)(de)不燃(ran)材(cai)料隔熱(re),以防(fang)(fang)止(zhi)填塞物(wu)與(yu)構件因(yin)受這些(xie)高(gao)溫管道的(de)(de)(de)影響而導致火災。當(dang)管道互為上(shang)(shang)下布(bu)置(zhi)時,表面溫度較高(gao)者應(ying)布(bu)置(zhi)在上(shang)(shang)面。
1、想要(yao)(yao)讓(rang)排(pai)水(shui)(shui)(shui)管(guan)(guan)(guan)能夠(gou)(gou)很(hen)好(hao)的(de)排(pai)水(shui)(shui)(shui),我們就需要(yao)(yao)注意(yi)(yi)在(zai)安(an)裝排(pai)水(shui)(shui)(shui)管(guan)(guan)(guan)的(de)時(shi)候(hou)(hou),讓(rang)排(pai)水(shui)(shui)(shui)管(guan)(guan)(guan)能夠(gou)(gou)有(you)(you)(you)一個輕(qing)微(wei)的(de)斜坡,這(zhe)樣(yang)(yang)就不會(hui)出(chu)(chu)現(xian)排(pai)水(shui)(shui)(shui)管(guan)(guan)(guan)有(you)(you)(you)可能過(guo)高而(er)出(chu)(chu)現(xian)當中央(yang)空(kong)調停止工作時(shi),內機(ji)的(de)水(shui)(shui)(shui)會(hui)出(chu)(chu)現(xian)倒流的(de)情況(kuang),這(zhe)樣(yang)(yang)就會(hui)將吊頂泡(pao)壞。2、還(huan)需要(yao)(yao)注意(yi)(yi)的(de)是在(zai)安(an)裝排(pai)水(shui)(shui)(shui)管(guan)(guan)(guan)的(de)時(shi)候(hou)(hou)要(yao)(yao)對排(pai)水(shui)(shui)(shui)管(guan)(guan)(guan)的(de)外(wai)部做(zuo)一層保溫(wen)(wen)處理,如果不做(zuo)保溫(wen)(wen),那么就會(hui)在(zai)制冷時(shi)間(jian)長后,排(pai)水(shui)(shui)(shui)管(guan)(guan)(guan)的(de)表面會(hui)出(chu)(chu)現(xian)滴水(shui)(shui)(shui)的(de)情況(kuang),這(zhe)樣(yang)(yang)對吊頂是有(you)(you)(you)著(zhu)一定的(de)損壞的(de)。所以(yi)要(yao)(yao)使用一些保溫(wen)(wen)材料,將排(pai)水(shui)(shui)(shui)管(guan)(guan)(guan)的(de)保溫(wen)(wen)做(zuo)好(hao)。
1.風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)程度(du)(du)安裝,邊長(chang)(chang)尺(chi)(chi)寸(cun)小(xiao)于(yu)(yu)(yu)(yu)(yu)(yu)等(deng)于(yu)(yu)(yu)(yu)(yu)(yu)400mm,間(jian)距(ju)不(bu)(bu)(bu)(bu)應(ying)(ying)大(da)(da)于(yu)(yu)(yu)(yu)(yu)(yu)4m;大(da)(da)于(yu)(yu)(yu)(yu)(yu)(yu)400mm,不(bu)(bu)(bu)(bu)應(ying)(ying)大(da)(da)于(yu)(yu)(yu)(yu)(yu)(yu)3m;對(dui)于(yu)(yu)(yu)(yu)(yu)(yu)薄鋼(gang)板法蘭的(de)(de)(de)風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan),其支(zhi)、吊(diao)(diao)架(jia)間(jian)距(ju)不(bu)(bu)(bu)(bu)應(ying)(ying)大(da)(da)于(yu)(yu)(yu)(yu)(yu)(yu)3m。2.風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)垂直(zhi)安裝,間(jian)距(ju)不(bu)(bu)(bu)(bu)應(ying)(ying)大(da)(da)于(yu)(yu)(yu)(yu)(yu)(yu)4m,單(dan)根直(zhi)管(guan)(guan)至(zhi)少應(ying)(ying)有(you)2個(ge)(ge)固(gu)(gu)(gu)(gu)定(ding)點。3.支(zhi)、吊(diao)(diao)架(jia)不(bu)(bu)(bu)(bu)宜設置在風(feng)(feng)(feng)(feng)(feng)(feng)口、閥門、檢討門及自(zi)控機構處,離風(feng)(feng)(feng)(feng)(feng)(feng)口或插(cha)接管(guan)(guan)的(de)(de)(de)距(ju)離不(bu)(bu)(bu)(bu)宜小(xiao)于(yu)(yu)(yu)(yu)(yu)(yu)200mm。4.當程度(du)(du)懸吊(diao)(diao)的(de)(de)(de)主、干風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)長(chang)(chang)度(du)(du)超過20m時(shi),應(ying)(ying)設置防(fang)止擺動固(gu)(gu)(gu)(gu)定(ding)點,每個(ge)(ge)系統不(bu)(bu)(bu)(bu)應(ying)(ying)少于(yu)(yu)(yu)(yu)(yu)(yu)1個(ge)(ge)。5.防(fang)火閥直(zhi)徑或長(chang)(chang)邊尺(chi)(chi)寸(cun)大(da)(da)于(yu)(yu)(yu)(yu)(yu)(yu)等(deng)于(yu)(yu)(yu)(yu)(yu)(yu)630mm時(shi),宜設獨立支(zhi)、吊(diao)(diao)架(jia)。6.帶高效過濾器的(de)(de)(de)送風(feng)(feng)(feng)(feng)(feng)(feng)口,應(ying)(ying)采取可分離調(diao)節(jie)高度(du)(du)的(de)(de)(de)吊(diao)(diao)桿。金屬風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)的(de)(de)(de)加(jia)(jia)固(gu)(gu)(gu)(gu):矩(ju)形風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)邊長(chang)(chang)大(da)(da)于(yu)(yu)(yu)(yu)(yu)(yu)630mm、保(bao)溫風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)邊長(chang)(chang)大(da)(da)于(yu)(yu)(yu)(yu)(yu)(yu)800mm,并且(qie)管(guan)(guan)段(duan)長(chang)(chang)度(du)(du)大(da)(da)于(yu)(yu)(yu)(yu)(yu)(yu)1250mm或低壓風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)單(dan)邊平面積大(da)(da)于(yu)(yu)(yu)(yu)(yu)(yu)1.2m2、中、高壓風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)大(da)(da)于(yu)(yu)(yu)(yu)(yu)(yu)1.0m2中,均應(ying)(ying)采用加(jia)(jia)固(gu)(gu)(gu)(gu)辦法。角鋼(gang)、加(jia)(jia)固(gu)(gu)(gu)(gu)筋(jin)(jin)的(de)(de)(de)加(jia)(jia)固(gu)(gu)(gu)(gu),其高度(du)(du)應(ying)(ying)小(xiao)于(yu)(yu)(yu)(yu)(yu)(yu)或等(deng)于(yu)(yu)(yu)(yu)(yu)(yu)風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)的(de)(de)(de)寬度(du)(du)。角鋼(gang)、加(jia)(jia)固(gu)(gu)(gu)(gu)筋(jin)(jin)與風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)鉚接的(de)(de)(de)間(jian)隔應(ying)(ying)均勻,不(bu)(bu)(bu)(bu)應(ying)(ying)大(da)(da)于(yu)(yu)(yu)(yu)(yu)(yu)220mm。.對(dui)于(yu)(yu)(yu)(yu)(yu)(yu)凈化空調(diao)系統,不(bu)(bu)(bu)(bu)應(ying)(ying)在風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)內(nei)設加(jia)(jia)固(gu)(gu)(gu)(gu)框及加(jia)(jia)固(gu)(gu)(gu)(gu)筋(jin)(jin)。
按(an)照氣(qi)流(liu)(liu)(liu)運(yun)動(dong)來進(jin)行(xing)風(feng)(feng)機(ji)(ji)(ji)(ji)分類的(de)(de)有(you):1離(li)(li)心風(feng)(feng)機(ji)(ji)(ji)(ji),氣(qi)流(liu)(liu)(liu)進(jin)入(ru)旋轉的(de)(de)葉(xie)片通道,在(zai)離(li)(li)心力作(zuo)用(yong)(yong)下氣(qi)體被壓(ya)縮并沿著半徑方(fang)向流(liu)(liu)(liu)動(dong)。2軸(zhou)(zhou)流(liu)(liu)(liu)風(feng)(feng)機(ji)(ji)(ji)(ji)氣(qi)流(liu)(liu)(liu)軸(zhou)(zhou)向進(jin)入(ru)風(feng)(feng)機(ji)(ji)(ji)(ji)葉(xie)輪后(hou),在(zai)旋轉葉(xie)片的(de)(de)流(liu)(liu)(liu)道中沿著軸(zhou)(zhou)線(xian)方(fang)向流(liu)(liu)(liu)動(dong)的(de)(de)風(feng)(feng)機(ji)(ji)(ji)(ji)。相(xiang)對(dui)于離(li)(li)心風(feng)(feng)機(ji)(ji)(ji)(ji),軸(zhou)(zhou)流(liu)(liu)(liu)風(feng)(feng)機(ji)(ji)(ji)(ji)具有(you)流(liu)(liu)(liu)量大、體積小、壓(ya)頭低的(de)(de)特點,用(yong)(yong)于有(you)灰塵和腐蝕性氣(qi)體場合時(shi)需注(zhu)意(yi)。3斜流(liu)(liu)(liu)式(混流(liu)(liu)(liu)式)風(feng)(feng)機(ji)(ji)(ji)(ji),在(zai)風(feng)(feng)機(ji)(ji)(ji)(ji)的(de)(de)葉(xie)輪中,氣(qi)流(liu)(liu)(liu)的(de)(de)方(fang)向處于軸(zhou)(zhou)流(liu)(liu)(liu)式之(zhi)間(jian),近似(si)沿錐(zhui)流(liu)(liu)(liu)動(dong),故可稱為斜流(liu)(liu)(liu)式(混流(liu)(liu)(liu)式)風(feng)(feng)機(ji)(ji)(ji)(ji)。這種風(feng)(feng)機(ji)(ji)(ji)(ji)的(de)(de)壓(ya)力系數(shu)(shu)比軸(zhou)(zhou)流(liu)(liu)(liu)式風(feng)(feng)機(ji)(ji)(ji)(ji)高(gao)(gao),而流(liu)(liu)(liu)量系數(shu)(shu)比離(li)(li)心式風(feng)(feng)機(ji)(ji)(ji)(ji)高(gao)(gao)。
在空(kong)調(diao)送(song)風(feng)(feng)系(xi)(xi)(xi)統(tong)(tong)(tong)(tong)中(zhong),空(kong)調(diao)送(song)風(feng)(feng)機(ji)送(song)出(chu)的(de)風(feng)(feng)必須通(tong)過(guo)主(zhu)干管(guan)(guan)(guan)(guan)分配到支管(guan)(guan)(guan)(guan)中(zhong);在排(pai)煙(yan)系(xi)(xi)(xi)統(tong)(tong)(tong)(tong)中(zhong),煙(yan)氣(qi)由(you)(you)支管(guan)(guan)(guan)(guan)到主(zhu)干管(guan)(guan)(guan)(guan)后(hou),進入排(pai)煙(yan)風(feng)(feng)機(ji)排(pai)出(chu)。當建筑物內(nei)發生(sheng)火(huo)(huo)(huo)(huo)災時,在通(tong)風(feng)(feng)、空(kong)調(diao)系(xi)(xi)(xi)統(tong)(tong)(tong)(tong)中(zhong),為了(le)防(fang)止火(huo)(huo)(huo)(huo)勢通(tong)過(guo)送(song)風(feng)(feng)系(xi)(xi)(xi)統(tong)(tong)(tong)(tong)蔓延(yan),當送(song)風(feng)(feng)系(xi)(xi)(xi)統(tong)(tong)(tong)(tong)中(zhong)氣(qi)體溫(wen)度達(da)到70℃時,防(fang)火(huo)(huo)(huo)(huo)閥(fa)機(ji)構上熔(rong)斷(duan)器動(dong)(dong)(dong)作(zuo),閥(fa)門亦(yi)迅速關閥(fa),切斷(duan)煙(yan)氣(qi)與火(huo)(huo)(huo)(huo)勢沿風(feng)(feng)管(guan)(guan)(guan)(guan)蔓延(yan)的(de)通(tong)路。同樣,在排(pai)煙(yan)系(xi)(xi)(xi)統(tong)(tong)(tong)(tong)中(zhong),發生(sheng)火(huo)(huo)(huo)(huo)災時,排(pai)煙(yan)閥(fa)開啟,進行排(pai)煙(yan),為了(le)截斷(duan)高溫(wen)煙(yan)氣(qi)在排(pai)煙(yan)管(guan)(guan)(guan)(guan)路中(zhong)流(liu)動(dong)(dong)(dong),防(fang)止火(huo)(huo)(huo)(huo)勢蔓延(yan)到另一防(fang)火(huo)(huo)(huo)(huo)分區(qu),當排(pai)出(chu)的(de)煙(yan)氣(qi)溫(wen)度達(da)到280℃時,排(pai)煙(yan)防(fang)火(huo)(huo)(huo)(huo)閥(fa)、排(pai)煙(yan)口(kou)上熔(rong)斷(duan)器動(dong)(dong)(dong)作(zuo),閥(fa)門必須自動(dong)(dong)(dong)關閉,阻止排(pai)煙(yan)。由(you)(you)此可見,防(fang)火(huo)(huo)(huo)(huo)閥(fa)、排(pai)煙(yan)閥(fa)做到了(le)該通(tong)則(ze)通(tong),該斷(duan)則(ze)斷(duan)的(de)隔(ge)煙(yan)阻火(huo)(huo)(huo)(huo)作(zuo)用。