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1、在設計靜壓箱時,如果按著規定的風速成進行設計,箱體將會很大;一般的靜壓箱長邊要寬出風管邊400mm,高度要寬出風管高度400mm ;2、選靜壓箱的經驗是5~10db(a)/m,值得信賴的排煙管道阻抗復合型(似乎空調通風系統一般都用這個)消聲器10~15db(a)/m;3、控制風速 在2.5以內 若體積太大可適當得提高一下風速 關于長度一般大于1米沒有其他得強制要求 ;4、高度×深度=靜壓箱截面面積,靜壓箱截面面積×2.5m/s=風機風量,至于高度和深度怎么配,自己把握吧;5、用你機組的風量L÷3米/秒,可得到你靜壓箱一個面的面積,然后你根據你房子的高度,假如是4米,可你的機組是2米高,在減去軟接頭大概0.5米,上面留高0.5米,那你的靜壓箱只有1米高,那你就可以確定寬度了,有了兩個數,第三個數也就容易確定了,這里主要的是要看自己的空調機房夠不夠位置,如果排煙管道夠(gou)位置(zhi)就(jiu)盡量的大點!!長度的計(ji)算方法(fa)也(ye)(ye)是(shi)一樣的,你(ni)知道(dao)了寬(kuan)度,那么(me)你(ni)的寬(kuan)度乘以長度不也(ye)(ye)是(shi)有個面(mian)積嗎?這個面(mian)積也(ye)(ye)要等于L/3,不過在(zai)設計(ji)院里的面(mian)風速是(shi)取用2m/s的,如果夠(gou)空(kong)間,就(jiu)做大點吧;
防(fang)火(huo)閥(fa)是(shi)用(yong)來阻斷來自火(huo)災區的(de)(de)(de)煙(yan)(yan)氣(qi)及(ji)火(huo)焰通過,并在一定時間(jian)內能滿足耐(nai)火(huo)穩(wen)定性(xing)和(he)耐(nai)火(huo)完整(zheng)性(xing)要求的(de)(de)(de)閥(fa)門。為了將(jiang)火(huo)災引起的(de)(de)(de)損失減(jian)少到(dao)小(xiao)程度,就必須采取有(you)效的(de)(de)(de)防(fang)火(huo)、防(fang)排煙(yan)(yan)措施(shi),以控制火(huo)勢蔓延(yan),而防(fang)火(huo)閥(fa)在通風(feng)、空調及(ji)防(fang)排煙(yan)(yan)系統中的(de)(de)(de)合(he)理(li)設(she)置,則起到(dao)了重要的(de)(de)(de)作用(yong)。防(fang)火(huo)閥(fa)的(de)(de)(de)結構和(he)工(gong)作原理(li),防(fang)火(huo)閥(fa)主要由閥(fa)體和(he)執(zhi)行機(ji)構組(zu)(zu)成(cheng)。閥(fa)體由殼體、法蘭、葉(xie)片(pian)及(ji)葉(xie)片(pian)聯動(dong)機(ji)構等(deng)組(zu)(zu)成(cheng)。執(zhi)行機(ji)構由外殼、葉(xie)片(pian)調節(jie)機(ji)構、離合(he)器、溫度熔(rong)斷器等(deng)組(zu)(zu)成(cheng)。防(fang)火(huo)閥(fa)的(de)(de)(de)執(zhi)行機(ji)構是(shi)通過金屬易熔(rong)片(pian)和(he)離合(he)器機(ji)構來控制葉(xie)片(pian)的(de)(de)(de)轉動(dong)。
1) 送(song)(song)(song)(song)風(feng)(feng)(feng)(feng)(feng),包括(kuo)通氣(qi)(qi),如(ru)送(song)(song)(song)(song)鮮(xian)風(feng)(feng)(feng)(feng)(feng)和排(pai)(pai)(pai)氣(qi)(qi),這(zhe)(zhe)(zhe)個范(fan)圍(wei)很(hen)廣,如(ru)工廠(chang)車間(jian),生產(chan)場地空(kong)(kong)氣(qi)(qi),由于(yu)有(you)害氣(qi)(qi)體(ti)產(chan)生需(xu)要(yao)(yao)(yao)排(pai)(pai)(pai)出室外,又(you)需(xu)要(yao)(yao)(yao)把室外空(kong)(kong)氣(qi)(qi)輸(shu)(shu)送(song)(song)(song)(song)至(zhi)室內。這(zhe)(zhe)(zhe)時(shi)就(jiu)要(yao)(yao)(yao)使(shi)(shi)用(yong)流量大(da)而壓力小(xiao)的(de)(de)(de)(de)(de)(de)空(kong)(kong)氣(qi)(qi)輸(shu)(shu)送(song)(song)(song)(song)管(guan)(guan)道,螺(luo)旋(xuan)風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)就(jiu)適用(yong),一般情(qing)況下使(shi)(shi)用(yong)鍍鋅(xin)鐵管(guan)(guan),有(you)腐蝕(shi)性及(ji)特(te)別(bie)潮濕場所使(shi)(shi)用(yong)不(bu)銹鋼管(guan)(guan)。2) 送(song)(song)(song)(song)冷風(feng)(feng)(feng)(feng)(feng)。常(chang)見的(de)(de)(de)(de)(de)(de)是中(zhong)央空(kong)(kong)調的(de)(de)(de)(de)(de)(de)管(guan)(guan)道,這(zhe)(zhe)(zhe)種管(guan)(guan)道需(xu)要(yao)(yao)(yao)加保溫(wen)材(cai)料(liao)。螺(luo)旋(xuan)風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)可內貼保溫(wen)材(cai)料(liao),外表(biao)看來(lai)美觀。3) 排(pai)(pai)(pai)油(you)煙。飯店、酒(jiu)樓、賓館的(de)(de)(de)(de)(de)(de)廚房均(jun)有(you)大(da)量油(you)煙產(chan)生,需(xu)要(yao)(yao)(yao)排(pai)(pai)(pai)出,使(shi)(shi)用(yong)圓形的(de)(de)(de)(de)(de)(de)風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)就(jiu)是油(you)煙囪。在這(zhe)(zhe)(zhe)里,螺(luo)旋(xuan)風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)該叫(jiao)做油(you)煙管(guan)(guan)。4) 除塵。有(you)些(xie)工廠(chang)生產(chan)車間(jian)很(hen)多塵埃,需(xu)要(yao)(yao)(yao)專(zhuan)門的(de)(de)(de)(de)(de)(de)除塵裝(zhuang)置(zhi),其(qi)中(zhong)量較大(da)的(de)(de)(de)(de)(de)(de)管(guan)(guan)道,可使(shi)(shi)用(yong)螺(luo)旋(xuan)風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)。5) 散裝(zhuang)物料(liao)輸(shu)(shu)送(song)(song)(song)(song)。有(you)些(xie)工廠(chang)的(de)(de)(de)(de)(de)(de)生產(chan)過程中(zhong),需(xu)要(yao)(yao)(yao)輸(shu)(shu)送(song)(song)(song)(song)松(song)散的(de)(de)(de)(de)(de)(de)顆粒(li),特(te)別(bie)是比(bi)重不(bu)大(da)的(de)(de)(de)(de)(de)(de)如(ru)發泡塑料(liao)粒(li)之類的(de)(de)(de)(de)(de)(de)使(shi)(shi)用(yong)螺(luo)旋(xuan)風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)造(zao)價(jia)低、效果(guo)好。
1.風(feng)管(guan)(guan)(guan)(guan)(guan)程度(du)安裝(zhuang),邊(bian)(bian)長(chang)尺寸小于(yu)(yu)(yu)(yu)(yu)(yu)等于(yu)(yu)(yu)(yu)(yu)(yu)400mm,間(jian)距(ju)不(bu)應(ying)(ying)(ying)(ying)大(da)(da)(da)于(yu)(yu)(yu)(yu)(yu)(yu)4m;大(da)(da)(da)于(yu)(yu)(yu)(yu)(yu)(yu)400mm,不(bu)應(ying)(ying)(ying)(ying)大(da)(da)(da)于(yu)(yu)(yu)(yu)(yu)(yu)3m;對于(yu)(yu)(yu)(yu)(yu)(yu)薄鋼(gang)(gang)板法蘭的(de)(de)風(feng)管(guan)(guan)(guan)(guan)(guan),其支、吊架(jia)間(jian)距(ju)不(bu)應(ying)(ying)(ying)(ying)大(da)(da)(da)于(yu)(yu)(yu)(yu)(yu)(yu)3m。2.風(feng)管(guan)(guan)(guan)(guan)(guan)垂直(zhi)(zhi)(zhi)安裝(zhuang),間(jian)距(ju)不(bu)應(ying)(ying)(ying)(ying)大(da)(da)(da)于(yu)(yu)(yu)(yu)(yu)(yu)4m,單根直(zhi)(zhi)(zhi)管(guan)(guan)(guan)(guan)(guan)至少(shao)(shao)應(ying)(ying)(ying)(ying)有2個固(gu)(gu)(gu)定點(dian)。3.支、吊架(jia)不(bu)宜設置在(zai)風(feng)口、閥(fa)門、檢(jian)討門及自控(kong)機構處,離(li)(li)(li)風(feng)口或(huo)插接管(guan)(guan)(guan)(guan)(guan)的(de)(de)距(ju)離(li)(li)(li)不(bu)宜小于(yu)(yu)(yu)(yu)(yu)(yu)200mm。4.當(dang)程度(du)懸吊的(de)(de)主、干風(feng)管(guan)(guan)(guan)(guan)(guan)長(chang)度(du)超過(guo)20m時,應(ying)(ying)(ying)(ying)設置防止(zhi)擺(bai)動固(gu)(gu)(gu)定點(dian),每(mei)個系統不(bu)應(ying)(ying)(ying)(ying)少(shao)(shao)于(yu)(yu)(yu)(yu)(yu)(yu)1個。5.防火閥(fa)直(zhi)(zhi)(zhi)徑或(huo)長(chang)邊(bian)(bian)尺寸大(da)(da)(da)于(yu)(yu)(yu)(yu)(yu)(yu)等于(yu)(yu)(yu)(yu)(yu)(yu)630mm時,宜設獨立支、吊架(jia)。6.帶高(gao)(gao)(gao)效過(guo)濾器的(de)(de)送風(feng)口,應(ying)(ying)(ying)(ying)采取可分離(li)(li)(li)調節高(gao)(gao)(gao)度(du)的(de)(de)吊桿(gan)。金屬風(feng)管(guan)(guan)(guan)(guan)(guan)的(de)(de)加固(gu)(gu)(gu):矩形風(feng)管(guan)(guan)(guan)(guan)(guan)邊(bian)(bian)長(chang)大(da)(da)(da)于(yu)(yu)(yu)(yu)(yu)(yu)630mm、保溫風(feng)管(guan)(guan)(guan)(guan)(guan)邊(bian)(bian)長(chang)大(da)(da)(da)于(yu)(yu)(yu)(yu)(yu)(yu)800mm,并且管(guan)(guan)(guan)(guan)(guan)段長(chang)度(du)大(da)(da)(da)于(yu)(yu)(yu)(yu)(yu)(yu)1250mm或(huo)低壓風(feng)管(guan)(guan)(guan)(guan)(guan)單邊(bian)(bian)平(ping)面積大(da)(da)(da)于(yu)(yu)(yu)(yu)(yu)(yu)1.2m2、中、高(gao)(gao)(gao)壓風(feng)管(guan)(guan)(guan)(guan)(guan)大(da)(da)(da)于(yu)(yu)(yu)(yu)(yu)(yu)1.0m2中,均應(ying)(ying)(ying)(ying)采用(yong)加固(gu)(gu)(gu)辦法。角(jiao)(jiao)鋼(gang)(gang)、加固(gu)(gu)(gu)筋(jin)(jin)的(de)(de)加固(gu)(gu)(gu),其高(gao)(gao)(gao)度(du)應(ying)(ying)(ying)(ying)小于(yu)(yu)(yu)(yu)(yu)(yu)或(huo)等于(yu)(yu)(yu)(yu)(yu)(yu)風(feng)管(guan)(guan)(guan)(guan)(guan)的(de)(de)寬度(du)。角(jiao)(jiao)鋼(gang)(gang)、加固(gu)(gu)(gu)筋(jin)(jin)與風(feng)管(guan)(guan)(guan)(guan)(guan)鉚接的(de)(de)間(jian)隔應(ying)(ying)(ying)(ying)均勻,不(bu)應(ying)(ying)(ying)(ying)大(da)(da)(da)于(yu)(yu)(yu)(yu)(yu)(yu)220mm。.對于(yu)(yu)(yu)(yu)(yu)(yu)凈化(hua)空(kong)調系統,不(bu)應(ying)(ying)(ying)(ying)在(zai)風(feng)管(guan)(guan)(guan)(guan)(guan)內設加固(gu)(gu)(gu)框及加固(gu)(gu)(gu)筋(jin)(jin)。
通風(feng)(feng)、空(kong)調設(she)備(bei)防(fang)(fang)(fang)火(huo)防(fang)(fang)(fang)爆(bao)措施1、空(kong)氣(qi)中含(han)(han)有容(rong)易起火(huo)或(huo)爆(bao)炸(zha)(zha)物質的(de)(de)(de)(de)(de)房(fang)間(jian),其(qi)(qi)送(song)、排(pai)風(feng)(feng)系(xi)統應(ying)采用(yong)防(fang)(fang)(fang)爆(bao)型(xing)的(de)(de)(de)(de)(de)通風(feng)(feng)設(she)備(bei)和(he)不(bu)會產(chan)(chan)生(sheng)火(huo)花(hua)的(de)(de)(de)(de)(de)材(cai)料(如(ru)可采用(yong)有色(se)金(jin)屬制造(zao)的(de)(de)(de)(de)(de)風(feng)(feng)機(ji)(ji)葉片和(he)防(fang)(fang)(fang)爆(bao)電動(dong)機(ji)(ji))。當(dang)(dang)送(song)風(feng)(feng)機(ji)(ji)布置(zhi)在單(dan)獨分隔的(de)(de)(de)(de)(de)通風(feng)(feng)機(ji)(ji)房(fang)內,且送(song)風(feng)(feng)干管(guan)上設(she)置(zhi)防(fang)(fang)(fang)止(zhi)回流設(she)施時(shi)(shi),可采用(yong)普通型(xing)通風(feng)(feng)設(she)備(bei)。2、含(han)(han)有易燃(ran)(ran)、易爆(bao)粉(fen)(fen)(fen)塵(chen)(碎屑(xie))的(de)(de)(de)(de)(de)空(kong)氣(qi),在進入排(pai)風(feng)(feng)機(ji)(ji)前應(ying)采用(yong)不(bu)產(chan)(chan)生(sheng)火(huo)花(hua)的(de)(de)(de)(de)(de)除(chu)(chu)塵(chen)器進行處(chu)理(li),以(yi)防(fang)(fang)(fang)止(zhi)除(chu)(chu)塵(chen)器工作過程中產(chan)(chan)生(sheng)火(huo)花(hua)引起粉(fen)(fen)(fen)塵(chen)、碎屑(xie)燃(ran)(ran)燒或(huo)爆(bao)炸(zha)(zha)。對(dui)于(yu)遇(yu)濕可能爆(bao)炸(zha)(zha)的(de)(de)(de)(de)(de)粉(fen)(fen)(fen)塵(chen)(如(ru)電石、鋅粉(fen)(fen)(fen)、鋁鎂合金(jin)粉(fen)(fen)(fen)等),嚴禁采用(yong)濕式(shi)除(chu)(chu)塵(chen)器。3、排(pai)除(chu)(chu)、輸(shu)送(song)有燃(ran)(ran)燒、爆(bao)炸(zha)(zha)危險(xian)的(de)(de)(de)(de)(de)氣(qi)體、蒸(zheng)氣(qi)和(he)粉(fen)(fen)(fen)塵(chen)的(de)(de)(de)(de)(de)排(pai)風(feng)(feng)系(xi)統,應(ying)采用(yong)不(bu)燃(ran)(ran)材(cai)料并設(she)有導(dao)除(chu)(chu)靜電的(de)(de)(de)(de)(de)接地(di)裝(zhuang)置(zhi)。其(qi)(qi)排(pai)風(feng)(feng)設(she)備(bei)不(bu)應(ying)布置(zhi)在地(di)下(xia)、半地(di)下(xia)建筑(zhu)(室(shi))內,以(yi)防(fang)(fang)(fang)止(zhi)有爆(bao)炸(zha)(zha)危險(xian)的(de)(de)(de)(de)(de)蒸(zheng)氣(qi)和(he)粉(fen)(fen)(fen)塵(chen)等物質的(de)(de)(de)(de)(de)積聚(ju)。4、排(pai)除(chu)(chu)、輸(shu)送(song)溫(wen)度超過80℃的(de)(de)(de)(de)(de)空(kong)氣(qi)或(huo)其(qi)(qi)他氣(qi)體以(yi)及容(rong)易起火(huo)的(de)(de)(de)(de)(de)碎屑(xie)的(de)(de)(de)(de)(de)管(guan)道(dao),與(yu)可燃(ran)(ran)或(huo)難燃(ran)(ran)物體之間(jian)應(ying)保持不(bu)小于(yu)150mm的(de)(de)(de)(de)(de)間(jian)隙(xi),或(huo)采用(yong)厚度不(bu)小于(yu)50mm的(de)(de)(de)(de)(de)不(bu)燃(ran)(ran)材(cai)料隔熱,以(yi)防(fang)(fang)(fang)止(zhi)填塞(sai)物與(yu)構件因受這些高溫(wen)管(guan)道(dao)的(de)(de)(de)(de)(de)影響(xiang)而導(dao)致火(huo)災(zai)。當(dang)(dang)管(guan)道(dao)互為(wei)上下(xia)布置(zhi)時(shi)(shi),表面(mian)(mian)溫(wen)度較高者應(ying)布置(zhi)在上面(mian)(mian)。