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一(yi)、通風(feng)(feng)(feng)與空(kong)調(diao)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)的(de)組(zu)成與類(lei)別(bie)(一(yi))通風(feng)(feng)(feng)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)的(de)組(zu)成,包(bao)括:進氣(qi)處(chu)理(li)(li)設(she)(she)(she)(she)(she)備(bei)(bei),如空(kong)氣(qi)過濾(lv)設(she)(she)(she)(she)(she)備(bei)(bei)、熱(re)(re)(re)(re)(re)濕處(chu)理(li)(li)設(she)(she)(she)(she)(she)備(bei)(bei)和(he)空(kong)氣(qi)凈化(hua)(hua)(hua)設(she)(she)(she)(she)(she)備(bei)(bei)等;送(song)風(feng)(feng)(feng)機(ji)或(huo)排(pai)(pai)風(feng)(feng)(feng)機(ji);風(feng)(feng)(feng)道系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong),如風(feng)(feng)(feng)管(guan)、送(song)風(feng)(feng)(feng)口(kou)、排(pai)(pai)風(feng)(feng)(feng)口(kou)、排(pai)(pai)氣(qi)罩等;排(pai)(pai)氣(qi)處(chu)理(li)(li)設(she)(she)(she)(she)(she)備(bei)(bei),如除塵器(qi)(qi)、有(you)(you)害氣(qi)體凈化(hua)(hua)(hua)設(she)(she)(she)(she)(she)備(bei)(bei)、風(feng)(feng)(feng)帽等。2.通風(feng)(feng)(feng)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)的(de)類(lei)別(bie)有(you)(you):(二)空(kong)調(diao)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)的(de)組(zu)成——空(kong)氣(qi)處(chu)理(li)(li)設(she)(she)(she)(she)(she)備(bei)(bei)、熱(re)(re)(re)(re)(re)源(yuan)和(he)冷(leng)源(yuan)、空(kong)調(diao)風(feng)(feng)(feng)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)、水(shui)(shui)(shui)(shui)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)、控制、調(diao)節(jie)(jie)裝置(1)空(kong)氣(qi)處(chu)理(li)(li)設(she)(she)(she)(she)(she)備(bei)(bei):空(kong)氣(qi)加熱(re)(re)(re)(re)(re)或(huo)冷(leng)卻(que)(que)設(she)(she)(she)(she)(she)備(bei)(bei)、空(kong)氣(qi)加濕或(huo)去(qu)濕設(she)(she)(she)(she)(she)備(bei)(bei)和(he)空(kong)氣(qi)凈化(hua)(hua)(hua)設(she)(she)(she)(she)(she)備(bei)(bei)等;其作用是(shi)將送(song)風(feng)(feng)(feng)空(kong)氣(qi)處(chu)理(li)(li)到一(yi)定(ding)的(de)狀態。(2)熱(re)(re)(re)(re)(re)源(yuan)和(he)冷(leng)源(yuan):常用的(de)熱(re)(re)(re)(re)(re)源(yuan)有(you)(you)提供熱(re)(re)(re)(re)(re)水(shui)(shui)(shui)(shui)或(huo)蒸汽的(de)鍋爐、電加熱(re)(re)(re)(re)(re)器(qi)(qi)等。(3)空(kong)調(diao)風(feng)(feng)(feng)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong):由風(feng)(feng)(feng)機(ji)和(he)風(feng)(feng)(feng)管(guan)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)組(zu)成。(4)水(shui)(shui)(shui)(shui)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong):包(bao)括將冷(leng)凍水(shui)(shui)(shui)(shui)(或(huo)熱(re)(re)(re)(re)(re)水(shui)(shui)(shui)(shui))從(cong)制冷(leng)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)(或(huo)熱(re)(re)(re)(re)(re)源(yuan))輸送(song)到空(kong)氣(qi)處(chu)理(li)(li)設(she)(she)(she)(she)(she)備(bei)(bei)的(de)水(shui)(shui)(shui)(shui)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)和(he)制冷(leng)設(she)(she)(she)(she)(she)備(bei)(bei)的(de)冷(leng)卻(que)(que)水(shui)(shui)(shui)(shui)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong),由水(shui)(shui)(shui)(shui)泵和(he)水(shui)(shui)(shui)(shui)管(guan)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)組(zu)成。(5)控制、調(diao)節(jie)(jie)裝置:裝置的(de)作用是(shi)調(diao)節(jie)(jie)空(kong)調(diao)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)的(de)冷(leng)量(liang)、熱(re)(re)(re)(re)(re)量(liang)、風(feng)(feng)(feng)量(liang)等,使(shi)空(kong)調(diao)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)的(de)工作適應空(kong)調(diao)工況的(de)變化(hua)(hua)(hua),從(cong)而將室內(nei)空(kong)氣(qi)狀況控制在(zai)要求的(de)范(fan)圍內(nei)。
雖然在商業(ye)建(jian)(jian)(jian)(jian)(jian)筑與(yu)多(duo)種(zhong)居住(zhu)房的(de)(de)(de)被動(dong)消防中(zhong)(zhong)(zhong)(zhong),防火閥(fa)是關鍵組件(jian),但在對建(jian)(jian)(jian)(jian)(jian)筑和其居住(zhu)者(zhe)的(de)(de)(de)安全(quan)保護中(zhong)(zhong)(zhong)(zhong),很多(duo)管理者(zhe)沒有(you)意識到(dao)防火閥(fa)的(de)(de)(de)作用以及規定(ding)時間(jian)(jian)間(jian)(jian)隔(ge)內,防火閥(fa)的(de)(de)(de)檢測、清潔(jie)及維護的(de)(de)(de)重要意義。在商業(ye)建(jian)(jian)(jian)(jian)(jian)筑中(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)建(jian)(jian)(jian)(jian)(jian)造中(zhong)(zhong)(zhong)(zhong)我們總會遇到(dao)一(yi)些麻煩(fan),試(shi)圖(tu)在能(neng)源效(xiao)率與(yu)室內空(kong)(kong)氣(qi)質(zhi)量之間(jian)(jian)尋求平(ping)衡就是其中(zhong)(zhong)(zhong)(zhong)。大多(duo)商業(ye)建(jian)(jian)(jian)(jian)(jian)筑通(tong)過機械通(tong)風(feng)(feng)或空(kong)(kong)調系(xi)統(tong)解決,能(neng)夠(gou)測量和控(kong)制整個建(jian)(jian)(jian)(jian)(jian)筑的(de)(de)(de)空(kong)(kong)氣(qi)變化。在通(tong)風(feng)(feng)管道(dao)系(xi)統(tong)的(de)(de)(de)安裝(zhuang)上就存在上面提到(dao)的(de)(de)(de)問題———如何在延遲(chi)或阻止火災(zai)蔓延的(de)(de)(de)建(jian)(jian)(jian)(jian)(jian)筑防火分隔(ge)與(yu)所允許空(kong)(kong)氣(qi)自由流通(tong)的(de)(de)(de)需要之間(jian)(jian)達到(dao)平(ping)衡。滿足空(kong)(kong)氣(qi)自由流通(tong)需要不可(ke)避免地再引入一(yi)條(tiao)通(tong)道(dao),而這卻加快了(le)火勢的(de)(de)(de)蔓延———利用通(tong)風(feng)(feng)管道(dao)系(xi)統(tong)使用的(de)(de)(de)通(tong)道(dao)。毫無疑問,這中(zhong)(zhong)(zhong)(zhong)斷了(le)防火分隔(ge),充(chong)當了(le)建(jian)(jian)(jian)(jian)(jian)筑被動(dong)消防護面的(de)(de)(de)“裂(lie)口”。
風(feng)管(guan)主(zhu)要(yao)指中(zhong)央空調系統(tong)(tong)的(de)(de)通(tong)風(feng)管(guan)道,它常(chang)(chang)常(chang)(chang)被(bei)忽視,但(dan)(dan)卻是空調系統(tong)(tong)的(de)(de)重要(yao)組成部(bu)分,目前常(chang)(chang)見的(de)(de)風(feng)管(guan)主(zhu)要(yao)有四種(zhong):1)鍍(du)鋅薄鋼(gang)板(ban)(ban)風(feng)管(guan);2)無(wu)機玻(bo)(bo)璃(li)鋼(gang)風(feng)管(guan);3)復合玻(bo)(bo)纖板(ban)(ban)風(feng)管(guan);4)纖維織物風(feng)管(guan)。鍍(du)鋅薄鋼(gang)板(ban)(ban)風(feng)管(guan):早使用(yong)的(de)(de)風(feng)管(guan),采(cai)用(yong)鍍(du)鋅薄鋼(gang)板(ban)(ban)制(zhi)(zhi)作(zuo)(zuo),適合含濕量小的(de)(de)一般(ban)性氣體的(de)(de)輸送(song),有易(yi)生銹,無(wu)保溫(wen)和消聲(sheng)功能,制(zhi)(zhi)作(zuo)(zuo)安裝(zhuang)周期(qi)長(chang)(chang)的(de)(de)特點。無(wu)機玻(bo)(bo)璃(li)鋼(gang)風(feng)管(guan):較新的(de)(de)風(feng)管(guan)類型,采(cai)用(yong)玻(bo)(bo)璃(li)纖維增強(qiang)無(wu)機材料制(zhi)(zhi)作(zuo)(zuo),遇火不燃、耐腐蝕(shi)、份量重,硬度(du)大但(dan)(dan)較脆(cui),受自重影響易(yi)變形酥裂,無(wu)保溫(wen)和消聲(sheng)性能,制(zhi)(zhi)作(zuo)(zuo)安裝(zhuang)周期(qi)長(chang)(chang)。
1.風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)程度安裝,邊(bian)長(chang)尺(chi)寸小(xiao)于(yu)(yu)(yu)(yu)(yu)(yu)(yu)等于(yu)(yu)(yu)(yu)(yu)(yu)(yu)400mm,間(jian)距不(bu)(bu)(bu)應(ying)(ying)(ying)(ying)大于(yu)(yu)(yu)(yu)(yu)(yu)(yu)4m;大于(yu)(yu)(yu)(yu)(yu)(yu)(yu)400mm,不(bu)(bu)(bu)應(ying)(ying)(ying)(ying)大于(yu)(yu)(yu)(yu)(yu)(yu)(yu)3m;對于(yu)(yu)(yu)(yu)(yu)(yu)(yu)薄鋼板(ban)法蘭的(de)風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan),其(qi)支(zhi)、吊(diao)架間(jian)距不(bu)(bu)(bu)應(ying)(ying)(ying)(ying)大于(yu)(yu)(yu)(yu)(yu)(yu)(yu)3m。2.風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)垂(chui)直安裝,間(jian)距不(bu)(bu)(bu)應(ying)(ying)(ying)(ying)大于(yu)(yu)(yu)(yu)(yu)(yu)(yu)4m,單根直管(guan)(guan)(guan)(guan)(guan)至(zhi)少應(ying)(ying)(ying)(ying)有2個(ge)固定點。3.支(zhi)、吊(diao)架不(bu)(bu)(bu)宜設(she)置在(zai)風(feng)(feng)(feng)(feng)口、閥(fa)門、檢討門及(ji)自控(kong)機構處,離風(feng)(feng)(feng)(feng)口或插接管(guan)(guan)(guan)(guan)(guan)的(de)距離不(bu)(bu)(bu)宜小(xiao)于(yu)(yu)(yu)(yu)(yu)(yu)(yu)200mm。4.當程度懸吊(diao)的(de)主(zhu)、干風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)長(chang)度超過(guo)20m時(shi),應(ying)(ying)(ying)(ying)設(she)置防(fang)止擺動固定點,每個(ge)系(xi)統不(bu)(bu)(bu)應(ying)(ying)(ying)(ying)少于(yu)(yu)(yu)(yu)(yu)(yu)(yu)1個(ge)。5.防(fang)火(huo)閥(fa)直徑或長(chang)邊(bian)尺(chi)寸大于(yu)(yu)(yu)(yu)(yu)(yu)(yu)等于(yu)(yu)(yu)(yu)(yu)(yu)(yu)630mm時(shi),宜設(she)獨立支(zhi)、吊(diao)架。6.帶高效(xiao)過(guo)濾器(qi)的(de)送風(feng)(feng)(feng)(feng)口,應(ying)(ying)(ying)(ying)采取可分離調節高度的(de)吊(diao)桿。金屬(shu)風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)的(de)加(jia)固:矩形(xing)風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)邊(bian)長(chang)大于(yu)(yu)(yu)(yu)(yu)(yu)(yu)630mm、保(bao)溫風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)邊(bian)長(chang)大于(yu)(yu)(yu)(yu)(yu)(yu)(yu)800mm,并且(qie)管(guan)(guan)(guan)(guan)(guan)段長(chang)度大于(yu)(yu)(yu)(yu)(yu)(yu)(yu)1250mm或低壓風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)單邊(bian)平面積大于(yu)(yu)(yu)(yu)(yu)(yu)(yu)1.2m2、中、高壓風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)大于(yu)(yu)(yu)(yu)(yu)(yu)(yu)1.0m2中,均(jun)應(ying)(ying)(ying)(ying)采用加(jia)固辦法。角鋼、加(jia)固筋(jin)(jin)的(de)加(jia)固,其(qi)高度應(ying)(ying)(ying)(ying)小(xiao)于(yu)(yu)(yu)(yu)(yu)(yu)(yu)或等于(yu)(yu)(yu)(yu)(yu)(yu)(yu)風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)的(de)寬度。角鋼、加(jia)固筋(jin)(jin)與風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)鉚接的(de)間(jian)隔應(ying)(ying)(ying)(ying)均(jun)勻(yun),不(bu)(bu)(bu)應(ying)(ying)(ying)(ying)大于(yu)(yu)(yu)(yu)(yu)(yu)(yu)220mm。.對于(yu)(yu)(yu)(yu)(yu)(yu)(yu)凈化空調系(xi)統,不(bu)(bu)(bu)應(ying)(ying)(ying)(ying)在(zai)風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)內設(she)加(jia)固框(kuang)及(ji)加(jia)固筋(jin)(jin)。
一、對通風管道制作的要求進行檢查:檢查通風管道穿越防護密閉墻、密閉墻的預埋密閉穿墻短管。通風預埋密閉短管采用厚度不小于3mm鋼板機械卷制成形(其厚度還應根據預埋管管徑大小確定,使預埋管不致變形),推薦廚房排煙管道防爆超壓排氣活門的預埋短管其厚度為6mm,密閉短管中間應設密閉肋,密閉肋厚度為5mm,密閉肋高度為50mm,密閉肋與短管應雙面滿焊、焊縫嚴密。密閉穿墻短管兩端深處墻面的長度應大于100mm,管道內外部除與混凝土接觸部分外均應刷兩道防銹漆。二、對風管連接處制作的要求進行檢查,重慶廠家對染毒(du)區的通風(feng)(feng)(feng)(feng)管道(dao)連(lian)(lian)接(jie)方法及密(mi)(mi)封(feng)(feng)進行檢查(cha)。如無設(she)計要(yao)求,其風(feng)(feng)(feng)(feng)管厚(hou)度(du)應(ying)采用(yong)(yong)大于(yu)等于(yu)3mm的鋼板焊接(jie)制作而(er)成。風(feng)(feng)(feng)(feng)管與風(feng)(feng)(feng)(feng)管連(lian)(lian)接(jie)應(ying)采用(yong)(yong)焊接(jie)連(lian)(lian)接(jie)。通風(feng)(feng)(feng)(feng)管道(dao)與密(mi)(mi)閉閥門(men)的連(lian)(lian)接(jie)應(ying)采用(yong)(yong)帶密(mi)(mi)封(feng)(feng)槽的法蘭(lan)連(lian)(lian)接(jie),其法蘭(lan)面(mian)應(ying)經機床車削加(jia)工(gong),保證接(jie)觸應(ying)平整,法蘭(lan)面(mian)有1~2mm深(shen)的90°密(mi)(mi)封(feng)(feng)槽;風(feng)(feng)(feng)(feng)管與設(she)備連(lian)(lian)接(jie)法蘭(lan)之間應(ying)采用(yong)(yong)整體橡膠(jiao)(jiao)法蘭(lan)墊圈(quan),防(fang)爆超(chao)壓排氣(qi)活門(men)法蘭(lan)連(lian)(lian)接(jie)填料(liao)采用(yong)(yong)5mm整張橡膠(jiao)(jiao)墊圈(quan)密(mi)(mi)封(feng)(feng)(不得(de)有拼(pin)縫(feng)),其他染毒(du)區風(feng)(feng)(feng)(feng)管連(lian)(lian)接(jie)及法蘭(lan)與設(she)備連(lian)(lian)接(jie)采用(yong)(yong)4~5mm整張橡膠(jiao)(jiao)墊圈(quan)密(mi)(mi)封(feng)(feng)(不得(de)有拼(pin)縫(feng)),連(lian)(lian)接(jie)處(chu)不得(de)有漏縫(feng)現象。