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一、風管及部件安裝的有關規定1.風管安裝的強制規定,當風管穿過需要封閉的防火、防爆墻體或樓板時,應設預埋管或防護套管。套管鋼板厚度不應小于1.6mm,風管與防護套管之間應用不燃且對人體無害的柔性材料封堵,風道應安裝設防火閥。風管內嚴禁各種管道、電線敷設及穿越;輸送含有易燃易爆氣體或安裝在易燃易爆環境的風管系統,應有良好的接地,通過生活區、生產房間時必須嚴密,不得設接口;推薦通風管道室外主管的固定拉索嚴禁拉在避雷針或避雷網上。輸送溫度高于80℃的空氣的風管,應按設計要求采取防護措施。2.風管安裝的一般規定風管安裝宜在建筑圍護結構施工完畢、場所清理后進行。凈化空調風管應在安裝部位地面做好,墻面抹灰工序完畢,室內無飛塵或有防塵措施后進行。成都通風管道安裝風管前應清除管內外雜物,并做好清潔和(he)保(bao)護工作(zuo),風管安裝的位置(zhi)、標高和(he)走向等(deng)應符合設計要求,現場風管接口的配置(zhi)不(bu)得縮(suo)小有效截面。
1.風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)程度(du)安裝,邊長(chang)(chang)(chang)尺寸(cun)小(xiao)于(yu)(yu)(yu)等于(yu)(yu)(yu)400mm,間距(ju)(ju)(ju)不(bu)(bu)應(ying)(ying)(ying)(ying)大(da)(da)(da)于(yu)(yu)(yu)4m;大(da)(da)(da)于(yu)(yu)(yu)400mm,不(bu)(bu)應(ying)(ying)(ying)(ying)大(da)(da)(da)于(yu)(yu)(yu)3m;對于(yu)(yu)(yu)薄鋼(gang)板(ban)法蘭的(de)(de)(de)風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan),其(qi)支(zhi)、吊架(jia)間距(ju)(ju)(ju)不(bu)(bu)應(ying)(ying)(ying)(ying)大(da)(da)(da)于(yu)(yu)(yu)3m。2.風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)垂直(zhi)安裝,間距(ju)(ju)(ju)不(bu)(bu)應(ying)(ying)(ying)(ying)大(da)(da)(da)于(yu)(yu)(yu)4m,單(dan)根直(zhi)管(guan)(guan)(guan)(guan)(guan)(guan)至少應(ying)(ying)(ying)(ying)有2個固(gu)定(ding)點。3.支(zhi)、吊架(jia)不(bu)(bu)宜設(she)置在(zai)風(feng)(feng)(feng)(feng)(feng)(feng)口、閥門(men)、檢討門(men)及(ji)自控機構處,離(li)(li)風(feng)(feng)(feng)(feng)(feng)(feng)口或插接管(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)距(ju)(ju)(ju)離(li)(li)不(bu)(bu)宜小(xiao)于(yu)(yu)(yu)200mm。4.當程度(du)懸吊的(de)(de)(de)主、干風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)長(chang)(chang)(chang)度(du)超過20m時,應(ying)(ying)(ying)(ying)設(she)置防(fang)止擺動固(gu)定(ding)點,每(mei)個系統不(bu)(bu)應(ying)(ying)(ying)(ying)少于(yu)(yu)(yu)1個。5.防(fang)火閥直(zhi)徑或長(chang)(chang)(chang)邊尺寸(cun)大(da)(da)(da)于(yu)(yu)(yu)等于(yu)(yu)(yu)630mm時,宜設(she)獨(du)立支(zhi)、吊架(jia)。6.帶(dai)高(gao)效(xiao)過濾器的(de)(de)(de)送風(feng)(feng)(feng)(feng)(feng)(feng)口,應(ying)(ying)(ying)(ying)采取可分離(li)(li)調節高(gao)度(du)的(de)(de)(de)吊桿。金屬(shu)風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)加(jia)(jia)固(gu):矩形風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)邊長(chang)(chang)(chang)大(da)(da)(da)于(yu)(yu)(yu)630mm、保溫風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)邊長(chang)(chang)(chang)大(da)(da)(da)于(yu)(yu)(yu)800mm,并且管(guan)(guan)(guan)(guan)(guan)(guan)段長(chang)(chang)(chang)度(du)大(da)(da)(da)于(yu)(yu)(yu)1250mm或低(di)壓風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)單(dan)邊平面(mian)積大(da)(da)(da)于(yu)(yu)(yu)1.2m2、中(zhong)、高(gao)壓風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)大(da)(da)(da)于(yu)(yu)(yu)1.0m2中(zhong),均應(ying)(ying)(ying)(ying)采用(yong)加(jia)(jia)固(gu)辦法。角(jiao)鋼(gang)、加(jia)(jia)固(gu)筋(jin)的(de)(de)(de)加(jia)(jia)固(gu),其(qi)高(gao)度(du)應(ying)(ying)(ying)(ying)小(xiao)于(yu)(yu)(yu)或等于(yu)(yu)(yu)風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)寬度(du)。角(jiao)鋼(gang)、加(jia)(jia)固(gu)筋(jin)與風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)鉚接的(de)(de)(de)間隔應(ying)(ying)(ying)(ying)均勻,不(bu)(bu)應(ying)(ying)(ying)(ying)大(da)(da)(da)于(yu)(yu)(yu)220mm。.對于(yu)(yu)(yu)凈(jing)化空(kong)調系統,不(bu)(bu)應(ying)(ying)(ying)(ying)在(zai)風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)內設(she)加(jia)(jia)固(gu)框及(ji)加(jia)(jia)固(gu)筋(jin)。
1,通(tong)(tong)風(feng)(feng)(feng)風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)安(an)(an)裝在支架上,應(ying)設(she)托座。2,通(tong)(tong)風(feng)(feng)(feng)風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)如有穿出屋面(mian)外部(bu)分,應(ying)設(she)置防雨(yu)罩(zhao)。3,通(tong)(tong)風(feng)(feng)(feng)風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)采用(yong)無(wu)法蘭連時,接口處應(ying)嚴密(mi)牢固。通(tong)(tong)風(feng)(feng)(feng)風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)連接兩平面(mian)應(ying)平直,不得錯位及(ji)扭曲(qu)。4,輸送易產生冷凝水的通(tong)(tong)風(feng)(feng)(feng)風(feng)(feng)(feng)管(guan)(guan)(guan)(guan),安(an)(an)裝應(ying)設(she)計(ji)坡度(du)。通(tong)(tong)風(feng)(feng)(feng)風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)底部(bu)不能有縱向的接縫, 如必須有接縫,則應(ying)采用(yong)密(mi)封方式(shi)。通(tong)(tong)風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)道(dao)安(an)(an)裝完畢(bi)后,應(ying)進(jin)行嚴密(mi)性試(shi)(shi)驗(yan),如發現異常情況,通(tong)(tong)風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)道(dao)的制作、安(an)(an)裝、檢驗(yan)和試(shi)(shi)驗(yan),是一個連貫的工(gong)(gong)程,做到安(an)(an)全適用(yong),經濟合理,方便施工(gong)(gong),確保通(tong)(tong)風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)道(dao)的工(gong)(gong)程質量。
風(feng)(feng)管(guan)(guan)(guan)主要指中央空(kong)調(diao)(diao)系統的(de)通風(feng)(feng)管(guan)(guan)(guan)道,它常(chang)常(chang)被忽(hu)視,但卻(que)是空(kong)調(diao)(diao)系統的(de)重(zhong)要組成部分,目前(qian)常(chang)見的(de)風(feng)(feng)管(guan)(guan)(guan)主要有四(si)種:1)鍍鋅薄(bo)鋼板風(feng)(feng)管(guan)(guan)(guan);2)無(wu)機(ji)(ji)玻(bo)璃鋼風(feng)(feng)管(guan)(guan)(guan);3)復合(he)玻(bo)纖板風(feng)(feng)管(guan)(guan)(guan);4)纖維織物風(feng)(feng)管(guan)(guan)(guan)。鍍鋅薄(bo)鋼板風(feng)(feng)管(guan)(guan)(guan):早(zao)使用(yong)的(de)風(feng)(feng)管(guan)(guan)(guan),采(cai)用(yong)鍍鋅薄(bo)鋼板制作(zuo),適合(he)含濕量小(xiao)的(de)一般(ban)性氣體(ti)的(de)輸送,有易生(sheng)銹,無(wu)保溫和(he)消聲功能(neng),制作(zuo)安(an)裝周期長的(de)特(te)點。無(wu)機(ji)(ji)玻(bo)璃鋼風(feng)(feng)管(guan)(guan)(guan):較新的(de)風(feng)(feng)管(guan)(guan)(guan)類型,采(cai)用(yong)玻(bo)璃纖維增強無(wu)機(ji)(ji)材料制作(zuo),遇(yu)火不燃、耐腐蝕、份量重(zhong),硬度大(da)但較脆,受自重(zhong)影響易變(bian)形(xing)酥裂,無(wu)保溫和(he)消聲性能(neng),制作(zuo)安(an)裝周期長。