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消防(fang)(fang)(fang)排(pai)(pai)煙(yan)(yan)風(feng)機風(feng)量(liang)(liang)與送(song)風(feng)機風(feng)量(liang)(liang)計(ji)算方(fang)(fang)法(fa)是根據建筑面(mian)(mian)積來確定的(de),每個(ge)防(fang)(fang)(fang)煙(yan)(yan)分(fen)區都需要(yao)獨立計(ji)算其排(pai)(pai)煙(yan)(yan)量(liang)(liang),當(dang)排(pai)(pai)煙(yan)(yan)風(feng)機擔負一個(ge)防(fang)(fang)(fang)煙(yan)(yan)分(fen)區的(de)時候(hou)可按(an)平方(fang)(fang)米面(mian)(mian)積不小(xiao)(xiao)(xiao)于(yu)60m3/h計(ji)算,擔負多(duo)個(ge)防(fang)(fang)(fang)煙(yan)(yan)分(fen)區則按(an)平方(fang)(fang)米面(mian)(mian)積不小(xiao)(xiao)(xiao)于(yu)120m3/h計(ji)算。送(song)風(feng)量(liang)(liang)按(an)排(pai)(pai)煙(yan)(yan)量(liang)(liang)的(de)50%計(ji)算。每個(ge)防(fang)(fang)(fang)煙(yan)(yan)分(fen)區不應(ying)大于(yu)500平方(fang)(fang)。常見的(de)消防(fang)(fang)(fang)防(fang)(fang)(fang)排(pai)(pai)煙(yan)(yan)系統中,排(pai)(pai)煙(yan)(yan)量(liang)(liang)一般根據大防(fang)(fang)(fang)煙(yan)(yan)分(fen)區面(mian)(mian)積500*120等于(yu)60000立方(fang)(fang)每小(xiao)(xiao)(xiao)時計(ji)算,在設(she)計(ji)排(pai)(pai)煙(yan)(yan)量(liang)(liang)的(de)時候(hou)要(yao)注意漏(lou)風(feng)量(liang)(liang),一般可按(an)小(xiao)(xiao)(xiao)漏(lou)風(feng)量(liang)(liang)10%計(ji)算。例如:當(dang)建筑面(mian)(mian)積為(wei)1000平方(fang)(fang)時,需要(yao)設(she)置兩(liang)個(ge)防(fang)(fang)(fang)煙(yan)(yan)分(fen)區,每個(ge)防(fang)(fang)(fang)煙(yan)(yan)分(fen)區的(de)大面(mian)(mian)積為(wei)500平方(fang)(fang),排(pai)(pai)煙(yan)(yan)量(liang)(liang)是500*1203/h=600003/h,再加上小(xiao)(xiao)(xiao)漏(lou)風(feng)量(liang)(liang)10%為(wei)60003/h,總排(pai)(pai)煙(yan)(yan)量(liang)(liang)應(ying)為(wei)660003/h,其中送(song)風(feng)量(liang)(liang)為(wei)排(pai)(pai)煙(yan)(yan)量(liang)(liang)的(de)50%應(ying)為(wei)330003/h。
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1.風(feng)(feng)管(guan)(guan)(guan)程度安裝(zhuang),邊(bian)長(chang)尺寸小(xiao)于(yu)(yu)(yu)(yu)等(deng)于(yu)(yu)(yu)(yu)400mm,間距(ju)(ju)不(bu)應(ying)(ying)(ying)大于(yu)(yu)(yu)(yu)4m;大于(yu)(yu)(yu)(yu)400mm,不(bu)應(ying)(ying)(ying)大于(yu)(yu)(yu)(yu)3m;對(dui)于(yu)(yu)(yu)(yu)薄鋼板(ban)法(fa)蘭的(de)風(feng)(feng)管(guan)(guan)(guan),其(qi)(qi)支(zhi)、吊(diao)(diao)架(jia)間距(ju)(ju)不(bu)應(ying)(ying)(ying)大于(yu)(yu)(yu)(yu)3m。2.風(feng)(feng)管(guan)(guan)(guan)垂直(zhi)安裝(zhuang),間距(ju)(ju)不(bu)應(ying)(ying)(ying)大于(yu)(yu)(yu)(yu)4m,單根直(zhi)管(guan)(guan)(guan)至少應(ying)(ying)(ying)有2個固(gu)(gu)定點。3.支(zhi)、吊(diao)(diao)架(jia)不(bu)宜(yi)設(she)置在風(feng)(feng)口、閥(fa)(fa)門、檢討門及自控機構處,離風(feng)(feng)口或(huo)插接管(guan)(guan)(guan)的(de)距(ju)(ju)離不(bu)宜(yi)小(xiao)于(yu)(yu)(yu)(yu)200mm。4.當程度懸吊(diao)(diao)的(de)主、干風(feng)(feng)管(guan)(guan)(guan)長(chang)度超過20m時(shi)(shi),應(ying)(ying)(ying)設(she)置防止擺動固(gu)(gu)定點,每(mei)個系統不(bu)應(ying)(ying)(ying)少于(yu)(yu)(yu)(yu)1個。5.防火閥(fa)(fa)直(zhi)徑或(huo)長(chang)邊(bian)尺寸大于(yu)(yu)(yu)(yu)等(deng)于(yu)(yu)(yu)(yu)630mm時(shi)(shi),宜(yi)設(she)獨立支(zhi)、吊(diao)(diao)架(jia)。6.帶高(gao)效過濾器的(de)送風(feng)(feng)口,應(ying)(ying)(ying)采(cai)取可分(fen)離調(diao)節高(gao)度的(de)吊(diao)(diao)桿。金屬風(feng)(feng)管(guan)(guan)(guan)的(de)加(jia)固(gu)(gu):矩(ju)形風(feng)(feng)管(guan)(guan)(guan)邊(bian)長(chang)大于(yu)(yu)(yu)(yu)630mm、保溫(wen)風(feng)(feng)管(guan)(guan)(guan)邊(bian)長(chang)大于(yu)(yu)(yu)(yu)800mm,并(bing)且管(guan)(guan)(guan)段長(chang)度大于(yu)(yu)(yu)(yu)1250mm或(huo)低壓風(feng)(feng)管(guan)(guan)(guan)單邊(bian)平面積大于(yu)(yu)(yu)(yu)1.2m2、中、高(gao)壓風(feng)(feng)管(guan)(guan)(guan)大于(yu)(yu)(yu)(yu)1.0m2中,均(jun)應(ying)(ying)(ying)采(cai)用(yong)加(jia)固(gu)(gu)辦法(fa)。角鋼、加(jia)固(gu)(gu)筋的(de)加(jia)固(gu)(gu),其(qi)(qi)高(gao)度應(ying)(ying)(ying)小(xiao)于(yu)(yu)(yu)(yu)或(huo)等(deng)于(yu)(yu)(yu)(yu)風(feng)(feng)管(guan)(guan)(guan)的(de)寬度。角鋼、加(jia)固(gu)(gu)筋與風(feng)(feng)管(guan)(guan)(guan)鉚接的(de)間隔應(ying)(ying)(ying)均(jun)勻,不(bu)應(ying)(ying)(ying)大于(yu)(yu)(yu)(yu)220mm。.對(dui)于(yu)(yu)(yu)(yu)凈化(hua)空(kong)調(diao)系統,不(bu)應(ying)(ying)(ying)在風(feng)(feng)管(guan)(guan)(guan)內設(she)加(jia)固(gu)(gu)框及加(jia)固(gu)(gu)筋。
風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)是依靠輸入(ru)的(de)機(ji)(ji)(ji)(ji)(ji)(ji)械(xie)(xie)(xie)(xie)(xie)能,提高(gao)氣(qi)(qi)體(ti)壓力并排送氣(qi)(qi)體(ti)的(de)機(ji)(ji)(ji)(ji)(ji)(ji)械(xie)(xie)(xie)(xie)(xie),它是一種從動的(de)流體(ti)機(ji)(ji)(ji)(ji)(ji)(ji)械(xie)(xie)(xie)(xie)(xie)。風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)是我國對氣(qi)(qi)體(ti)壓縮(suo)和(he)(he)(he)氣(qi)(qi)體(ti)輸送機(ji)(ji)(ji)(ji)(ji)(ji)械(xie)(xie)(xie)(xie)(xie)的(de)習(xi)慣簡稱,通常所說(shuo)的(de)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)包括(kuo)通風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji),鼓(gu)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji),壓縮(suo)機(ji)(ji)(ji)(ji)(ji)(ji)以及羅(luo)茨鼓(gu)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji),離心(xin)式風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji),回轉式風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji),水環式風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji),但是不包括(kuo)活(huo)塞壓縮(suo)機(ji)(ji)(ji)(ji)(ji)(ji)等容積(ji)式鼓(gu)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)和(he)(he)(he)壓縮(suo)機(ji)(ji)(ji)(ji)(ji)(ji)。氣(qi)(qi)體(ti)壓縮(suo)和(he)(he)(he)氣(qi)(qi)體(ti)輸送機(ji)(ji)(ji)(ji)(ji)(ji)械(xie)(xie)(xie)(xie)(xie)是把旋(xuan)轉的(de)機(ji)(ji)(ji)(ji)(ji)(ji)械(xie)(xie)(xie)(xie)(xie)轉換為(wei)氣(qi)(qi)體(ti)壓力能和(he)(he)(he)動能,并將(jiang)氣(qi)(qi)體(ti)輸送出去的(de)機(ji)(ji)(ji)(ji)(ji)(ji)械(xie)(xie)(xie)(xie)(xie)。風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)主要由風(feng)(feng)(feng)(feng)(feng)(feng)葉(xie)、百葉(xie)窗(chuang)、開窗(chuang)機(ji)(ji)(ji)(ji)(ji)(ji)構、電(dian)機(ji)(ji)(ji)(ji)(ji)(ji)、皮帶輪(lun)、進風(feng)(feng)(feng)(feng)(feng)(feng)罩、內框架(jia)、機(ji)(ji)(ji)(ji)(ji)(ji)殼、安全網等部(bu)件組成。開機(ji)(ji)(ji)(ji)(ji)(ji)時由電(dian)機(ji)(ji)(ji)(ji)(ji)(ji)驅動風(feng)(feng)(feng)(feng)(feng)(feng)葉(xie)旋(xuan)轉,并使(shi)開窗(chuang)機(ji)(ji)(ji)(ji)(ji)(ji)構打開百葉(xie)窗(chuang)排風(feng)(feng)(feng)(feng)(feng)(feng)。停(ting)機(ji)(ji)(ji)(ji)(ji)(ji)時百葉(xie)窗(chuang)自動關閉。風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)廣泛用于(yu)工廠、礦(kuang)井、隧道、冷卻(que)塔、車輛(liang)、船舶和(he)(he)(he)建筑物的(de)通風(feng)(feng)(feng)(feng)(feng)(feng)、排塵和(he)(he)(he)冷卻(que);鍋爐和(he)(he)(he)工業爐窯的(de)通風(feng)(feng)(feng)(feng)(feng)(feng)和(he)(he)(he)引風(feng)(feng)(feng)(feng)(feng)(feng);空氣(qi)(qi)調節設備和(he)(he)(he)家(jia)用電(dian)器設備中的(de)冷卻(que)和(he)(he)(he)通風(feng)(feng)(feng)(feng)(feng)(feng);谷物的(de)烘干和(he)(he)(he)選送;風(feng)(feng)(feng)(feng)(feng)(feng)洞風(feng)(feng)(feng)(feng)(feng)(feng)源和(he)(he)(he)氣(qi)(qi)墊船的(de)充氣(qi)(qi)和(he)(he)(he)推進等。
一(yi)、通(tong)風(feng)(feng)(feng)(feng)與(yu)空(kong)(kong)(kong)調(diao)系(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)(tong)(tong)的(de)(de)(de)(de)組(zu)(zu)(zu)成(cheng)(cheng)(cheng)與(yu)類(lei)別(一(yi))通(tong)風(feng)(feng)(feng)(feng)系(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)(tong)(tong)的(de)(de)(de)(de)組(zu)(zu)(zu)成(cheng)(cheng)(cheng),包括:進氣(qi)(qi)(qi)處(chu)(chu)理(li)(li)設(she)(she)(she)備(bei)(bei),如(ru)(ru)空(kong)(kong)(kong)氣(qi)(qi)(qi)過濾設(she)(she)(she)備(bei)(bei)、熱(re)(re)(re)濕(shi)處(chu)(chu)理(li)(li)設(she)(she)(she)備(bei)(bei)和(he)空(kong)(kong)(kong)氣(qi)(qi)(qi)凈化設(she)(she)(she)備(bei)(bei)等(deng);送(song)風(feng)(feng)(feng)(feng)機(ji)(ji)或(huo)(huo)排(pai)風(feng)(feng)(feng)(feng)機(ji)(ji);風(feng)(feng)(feng)(feng)道系(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)(tong)(tong),如(ru)(ru)風(feng)(feng)(feng)(feng)管、送(song)風(feng)(feng)(feng)(feng)口、排(pai)風(feng)(feng)(feng)(feng)口、排(pai)氣(qi)(qi)(qi)罩(zhao)等(deng);排(pai)氣(qi)(qi)(qi)處(chu)(chu)理(li)(li)設(she)(she)(she)備(bei)(bei),如(ru)(ru)除(chu)塵器(qi)、有害氣(qi)(qi)(qi)體凈化設(she)(she)(she)備(bei)(bei)、風(feng)(feng)(feng)(feng)帽等(deng)。2.通(tong)風(feng)(feng)(feng)(feng)系(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)(tong)(tong)的(de)(de)(de)(de)類(lei)別有:(二)空(kong)(kong)(kong)調(diao)系(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)(tong)(tong)的(de)(de)(de)(de)組(zu)(zu)(zu)成(cheng)(cheng)(cheng)——空(kong)(kong)(kong)氣(qi)(qi)(qi)處(chu)(chu)理(li)(li)設(she)(she)(she)備(bei)(bei)、熱(re)(re)(re)源(yuan)和(he)冷(leng)(leng)(leng)源(yuan)、空(kong)(kong)(kong)調(diao)風(feng)(feng)(feng)(feng)系(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)(tong)(tong)、水(shui)系(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)(tong)(tong)、控制(zhi)(zhi)、調(diao)節裝置(1)空(kong)(kong)(kong)氣(qi)(qi)(qi)處(chu)(chu)理(li)(li)設(she)(she)(she)備(bei)(bei):空(kong)(kong)(kong)氣(qi)(qi)(qi)加(jia)熱(re)(re)(re)或(huo)(huo)冷(leng)(leng)(leng)卻(que)設(she)(she)(she)備(bei)(bei)、空(kong)(kong)(kong)氣(qi)(qi)(qi)加(jia)濕(shi)或(huo)(huo)去濕(shi)設(she)(she)(she)備(bei)(bei)和(he)空(kong)(kong)(kong)氣(qi)(qi)(qi)凈化設(she)(she)(she)備(bei)(bei)等(deng);其(qi)作(zuo)用是將(jiang)送(song)風(feng)(feng)(feng)(feng)空(kong)(kong)(kong)氣(qi)(qi)(qi)處(chu)(chu)理(li)(li)到一(yi)定的(de)(de)(de)(de)狀態(tai)。(2)熱(re)(re)(re)源(yuan)和(he)冷(leng)(leng)(leng)源(yuan):常(chang)用的(de)(de)(de)(de)熱(re)(re)(re)源(yuan)有提供(gong)熱(re)(re)(re)水(shui)或(huo)(huo)蒸汽(qi)的(de)(de)(de)(de)鍋爐、電加(jia)熱(re)(re)(re)器(qi)等(deng)。(3)空(kong)(kong)(kong)調(diao)風(feng)(feng)(feng)(feng)系(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)(tong)(tong):由風(feng)(feng)(feng)(feng)機(ji)(ji)和(he)風(feng)(feng)(feng)(feng)管系(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)(tong)(tong)組(zu)(zu)(zu)成(cheng)(cheng)(cheng)。(4)水(shui)系(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)(tong)(tong):包括將(jiang)冷(leng)(leng)(leng)凍(dong)水(shui)(或(huo)(huo)熱(re)(re)(re)水(shui))從制(zhi)(zhi)冷(leng)(leng)(leng)系(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)(tong)(tong)(或(huo)(huo)熱(re)(re)(re)源(yuan))輸送(song)到空(kong)(kong)(kong)氣(qi)(qi)(qi)處(chu)(chu)理(li)(li)設(she)(she)(she)備(bei)(bei)的(de)(de)(de)(de)水(shui)系(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)(tong)(tong)和(he)制(zhi)(zhi)冷(leng)(leng)(leng)設(she)(she)(she)備(bei)(bei)的(de)(de)(de)(de)冷(leng)(leng)(leng)卻(que)水(shui)系(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)(tong)(tong),由水(shui)泵和(he)水(shui)管系(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)(tong)(tong)組(zu)(zu)(zu)成(cheng)(cheng)(cheng)。(5)控制(zhi)(zhi)、調(diao)節裝置:裝置的(de)(de)(de)(de)作(zuo)用是調(diao)節空(kong)(kong)(kong)調(diao)系(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)(tong)(tong)的(de)(de)(de)(de)冷(leng)(leng)(leng)量(liang)、熱(re)(re)(re)量(liang)、風(feng)(feng)(feng)(feng)量(liang)等(deng),使空(kong)(kong)(kong)調(diao)系(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)(tong)(tong)的(de)(de)(de)(de)工作(zuo)適應空(kong)(kong)(kong)調(diao)工況(kuang)的(de)(de)(de)(de)變化,從而(er)將(jiang)室內空(kong)(kong)(kong)氣(qi)(qi)(qi)狀況(kuang)控制(zhi)(zhi)在要求的(de)(de)(de)(de)范(fan)圍內。
(1)防(fang)火(huo)閥(fa)使用及安(an)裝(zhuang)(zhuang)(a) 安(an)裝(zhuang)(zhuang)前必須檢(jian)查防(fang)火(huo)閥(fa)外觀質(zhi)量、控(kong)制性(xing)(xing)能和閥(fa)門(men)動作(zuo)(zuo)(zuo),確(que)認正(zheng)常后配鉆法蘭連接孔。(b) 安(an)裝(zhuang)(zhuang)時(shi)防(fang)火(huo)閥(fa)的方向(xiang)位置應(ying)正(zheng)確(que),熔(rong)斷器(易熔(rong)片(pian))應(ying)先于(yu)葉(xie)片(pian)軸接觸熱(re)氣(qi)(qi)流(liu)(liu)(即(ji)位于(yu)葉(xie)片(pian)的迎風側)。自重式防(fang)火(huo)閥(fa)要(yao)注意葉(xie)片(pian)的上下(xia)方向(xiang)氣(qi)(qi)流(liu)(liu)方向(xiang)標志,不(bu)得倒置。(c) 防(fang)火(huo)閥(fa)應(ying)牢(lao)靠地固定在(zai)設定的位置上,確(que)保(bao)當發生火(huo)災(zai)時(shi)不(bu)致因管道變形下(xia)塌(ta)而影(ying)響工(gong)作(zuo)(zuo)(zuo)性(xing)(xing)能,必要(yao)時(shi)應(ying)設吊(diao)(diao)架。(d) 具有風量調(diao)節功能的防(fang)火(huo)閥(fa),應(ying)在(zai)調(diao)試過(guo)程中調(diao)定閥(fa)門(men)開度(du)。(e) 當設計(ji)防(fang)火(huo)閥(fa)為吊(diao)(diao)頂安(an)裝(zhuang)(zhuang)或(huo)靠近墻(qiang)體安(an)裝(zhuang)(zhuang)時(shi),要(yao)保(bao)證防(fang)火(huo)閥(fa)周圍貿(mao)有足夠(gou)空間。(f) 安(an)裝(zhuang)(zhuang)防(fang)火(huo)閥(fa)后的施工(gong)過(guo)程中,要(yao)注意不(bu)得使閥(fa)體、操作(zuo)(zuo)(zuo)裝(zhuang)(zhuang)置等受到損傷、變形,以免影(ying)響其工(gong)作(zuo)(zuo)(zuo)性(xing)(xing)能(g) 安(an)裝(zhuang)(zhuang)后應(ying)對(dui)防(fang)火(huo)閥(fa)清掃檢(jian)查,閥(fa)體內不(bu)得有雜物,并(bing)進行操作(zuo)(zuo)(zuo)試驗,確(que)保(bao)閥(fa)體正(zheng)常工(gong)作(zuo)(zuo)(zuo)。