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四川推薦天園地方管價格

2020-05-29
四川推薦天園地方管價格

在(zai)空(kong)調(diao)送(song)風(feng)(feng)系統(tong)(tong)中(zhong)(zhong),空(kong)調(diao)送(song)風(feng)(feng)機送(song)出(chu)的風(feng)(feng)必須(xu)通(tong)過(guo)主干管(guan)(guan)分(fen)配到支(zhi)管(guan)(guan)中(zhong)(zhong);在(zai)排(pai)(pai)(pai)煙(yan)(yan)系統(tong)(tong)中(zhong)(zhong),煙(yan)(yan)氣由支(zhi)管(guan)(guan)到主干管(guan)(guan)后(hou),進(jin)入排(pai)(pai)(pai)煙(yan)(yan)風(feng)(feng)機排(pai)(pai)(pai)出(chu)。當(dang)建筑物內發(fa)生火(huo)災時(shi),在(zai)通(tong)風(feng)(feng)、空(kong)調(diao)系統(tong)(tong)中(zhong)(zhong),為了防(fang)(fang)止火(huo)勢(shi)通(tong)過(guo)送(song)風(feng)(feng)系統(tong)(tong)蔓延,當(dang)送(song)風(feng)(feng)系統(tong)(tong)中(zhong)(zhong)氣體溫度(du)達到70℃時(shi),防(fang)(fang)火(huo)閥(fa)(fa)機構上熔(rong)斷器動作,閥(fa)(fa)門亦迅速關閥(fa)(fa),切斷煙(yan)(yan)氣與火(huo)勢(shi)沿(yan)風(feng)(feng)管(guan)(guan)蔓延的通(tong)路(lu)。同樣,在(zai)排(pai)(pai)(pai)煙(yan)(yan)系統(tong)(tong)中(zhong)(zhong),發(fa)生火(huo)災時(shi),排(pai)(pai)(pai)煙(yan)(yan)閥(fa)(fa)開啟(qi),進(jin)行排(pai)(pai)(pai)煙(yan)(yan),為了截斷高溫煙(yan)(yan)氣在(zai)排(pai)(pai)(pai)煙(yan)(yan)管(guan)(guan)路(lu)中(zhong)(zhong)流(liu)動,防(fang)(fang)止火(huo)勢(shi)蔓延到另一防(fang)(fang)火(huo)分(fen)區,當(dang)排(pai)(pai)(pai)出(chu)的煙(yan)(yan)氣溫度(du)達到280℃時(shi),排(pai)(pai)(pai)煙(yan)(yan)防(fang)(fang)火(huo)閥(fa)(fa)、排(pai)(pai)(pai)煙(yan)(yan)口上熔(rong)斷器動作,閥(fa)(fa)門必須(xu)自(zi)動關閉,阻止排(pai)(pai)(pai)煙(yan)(yan)。由此(ci)可見(jian),防(fang)(fang)火(huo)閥(fa)(fa)、排(pai)(pai)(pai)煙(yan)(yan)閥(fa)(fa)做(zuo)到了該通(tong)則(ze)(ze)通(tong),該斷則(ze)(ze)斷的隔煙(yan)(yan)阻火(huo)作用。

四川推薦天園地方管價格

1,通風風管安裝在支架上,應設托座。2,通風風管如有穿出屋面外部分,應設置防雨罩。3,通風風管采用無法蘭連時,接口處應嚴密牢固。通風風管連接兩平面應平直,不得錯位及扭曲。4,輸送易產生冷凝水的通風風管,安裝應設計坡度。通風風管底部不能有縱向的接縫, 如天園地方管必須有接縫,則應采用密封方式。通風管道安裝完畢后,應進行嚴密性試驗,如天園地方管價格發現異(yi)常情況(kuang),通風管(guan)道的(de)制(zhi)作(zuo)、安裝、檢驗和試(shi)驗,是一個(ge)連(lian)貫的(de)工程(cheng),做到安全(quan)適用,經濟(ji)合(he)理,方便(bian)施工,確保(bao)通風管(guan)道的(de)工程(cheng)質量(liang)。

四川推薦天園地方管價格

一、風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)及(ji)部件安(an)裝(zhuang)(zhuang)(zhuang)的(de)(de)有(you)關規定1.風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)安(an)裝(zhuang)(zhuang)(zhuang)的(de)(de)強(qiang)制規定,當風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)穿過需(xu)要封(feng)閉的(de)(de)防(fang)火(huo)、防(fang)爆墻體或樓板時,應(ying)(ying)設預埋管(guan)(guan)(guan)(guan)(guan)(guan)或防(fang)護(hu)(hu)套(tao)管(guan)(guan)(guan)(guan)(guan)(guan)。套(tao)管(guan)(guan)(guan)(guan)(guan)(guan)鋼板厚度不(bu)應(ying)(ying)小(xiao)于1.6mm,風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)與防(fang)護(hu)(hu)套(tao)管(guan)(guan)(guan)(guan)(guan)(guan)之間應(ying)(ying)用(yong)不(bu)燃(ran)且對(dui)人體無(wu)(wu)害的(de)(de)柔性材料封(feng)堵,風(feng)(feng)(feng)道(dao)(dao)應(ying)(ying)安(an)裝(zhuang)(zhuang)(zhuang)設防(fang)火(huo)閥。風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)內嚴禁各種管(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)、電線敷設及(ji)穿越;輸送(song)(song)含有(you)易(yi)(yi)燃(ran)易(yi)(yi)爆氣體或安(an)裝(zhuang)(zhuang)(zhuang)在易(yi)(yi)燃(ran)易(yi)(yi)爆環境(jing)的(de)(de)風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)系統,應(ying)(ying)有(you)良好(hao)的(de)(de)接(jie)(jie)地,通過生活區(qu)、生產房間時必須(xu)嚴密,不(bu)得設接(jie)(jie)口;室外主管(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)固定拉索嚴禁拉在避(bi)雷針或避(bi)雷網上。輸送(song)(song)溫度高(gao)(gao)于80℃的(de)(de)空氣的(de)(de)風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan),應(ying)(ying)按設計要求采取防(fang)護(hu)(hu)措施。2.風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)安(an)裝(zhuang)(zhuang)(zhuang)的(de)(de)一般規定風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)安(an)裝(zhuang)(zhuang)(zhuang)宜在建筑圍護(hu)(hu)結構施工完(wan)畢(bi)、場所(suo)清(qing)(qing)理后(hou)進行(xing)(xing)。凈(jing)化(hua)空調風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)應(ying)(ying)在安(an)裝(zhuang)(zhuang)(zhuang)部位地面做好(hao),墻面抹灰(hui)工序完(wan)畢(bi),室內無(wu)(wu)飛塵(chen)或有(you)防(fang)塵(chen)措施后(hou)進行(xing)(xing)。安(an)裝(zhuang)(zhuang)(zhuang)風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)前應(ying)(ying)清(qing)(qing)除管(guan)(guan)(guan)(guan)(guan)(guan)內外雜物,并做好(hao)清(qing)(qing)潔和(he)保護(hu)(hu)工作,風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)安(an)裝(zhuang)(zhuang)(zhuang)的(de)(de)位置、標高(gao)(gao)和(he)走向(xiang)等應(ying)(ying)符合設計要求,現(xian)場風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)接(jie)(jie)口的(de)(de)配置不(bu)得縮(suo)小(xiao)有(you)效截(jie)面。

四川推薦天園地方管價格

消防(fang)排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)(yan)風(feng)(feng)(feng)機(ji)風(feng)(feng)(feng)量(liang)(liang)(liang)(liang)(liang)與送(song)風(feng)(feng)(feng)機(ji)風(feng)(feng)(feng)量(liang)(liang)(liang)(liang)(liang)計(ji)(ji)算(suan)(suan)(suan)(suan)方(fang)法(fa)是(shi)根據(ju)建筑面(mian)積來確定的(de)(de),每(mei)個(ge)防(fang)煙(yan)(yan)(yan)(yan)(yan)(yan)分(fen)區(qu)(qu)都需要獨立(li)計(ji)(ji)算(suan)(suan)(suan)(suan)其排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)(yan)量(liang)(liang)(liang)(liang)(liang),當(dang)排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)(yan)風(feng)(feng)(feng)機(ji)擔負一(yi)個(ge)防(fang)煙(yan)(yan)(yan)(yan)(yan)(yan)分(fen)區(qu)(qu)的(de)(de)時候可按(an)平方(fang)米(mi)面(mian)積不(bu)(bu)小(xiao)于60m3/h計(ji)(ji)算(suan)(suan)(suan)(suan),擔負多個(ge)防(fang)煙(yan)(yan)(yan)(yan)(yan)(yan)分(fen)區(qu)(qu)則按(an)平方(fang)米(mi)面(mian)積不(bu)(bu)小(xiao)于120m3/h計(ji)(ji)算(suan)(suan)(suan)(suan)。送(song)風(feng)(feng)(feng)量(liang)(liang)(liang)(liang)(liang)按(an)排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)(yan)量(liang)(liang)(liang)(liang)(liang)的(de)(de)50%計(ji)(ji)算(suan)(suan)(suan)(suan)。每(mei)個(ge)防(fang)煙(yan)(yan)(yan)(yan)(yan)(yan)分(fen)區(qu)(qu)不(bu)(bu)應(ying)大(da)(da)于500平方(fang)。常見的(de)(de)消防(fang)防(fang)排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)(yan)系統中,排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)(yan)量(liang)(liang)(liang)(liang)(liang)一(yi)般(ban)根據(ju)大(da)(da)防(fang)煙(yan)(yan)(yan)(yan)(yan)(yan)分(fen)區(qu)(qu)面(mian)積500*120等于60000立(li)方(fang)每(mei)小(xiao)時計(ji)(ji)算(suan)(suan)(suan)(suan),在設計(ji)(ji)排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)(yan)量(liang)(liang)(liang)(liang)(liang)的(de)(de)時候要注意(yi)漏風(feng)(feng)(feng)量(liang)(liang)(liang)(liang)(liang),一(yi)般(ban)可按(an)小(xiao)漏風(feng)(feng)(feng)量(liang)(liang)(liang)(liang)(liang)10%計(ji)(ji)算(suan)(suan)(suan)(suan)。例如:當(dang)建筑面(mian)積為(wei)1000平方(fang)時,需要設置兩個(ge)防(fang)煙(yan)(yan)(yan)(yan)(yan)(yan)分(fen)區(qu)(qu),每(mei)個(ge)防(fang)煙(yan)(yan)(yan)(yan)(yan)(yan)分(fen)區(qu)(qu)的(de)(de)大(da)(da)面(mian)積為(wei)500平方(fang),排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)(yan)量(liang)(liang)(liang)(liang)(liang)是(shi)500*1203/h=600003/h,再加上小(xiao)漏風(feng)(feng)(feng)量(liang)(liang)(liang)(liang)(liang)10%為(wei)60003/h,總排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)(yan)量(liang)(liang)(liang)(liang)(liang)應(ying)為(wei)660003/h,其中送(song)風(feng)(feng)(feng)量(liang)(liang)(liang)(liang)(liang)為(wei)排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)(yan)量(liang)(liang)(liang)(liang)(liang)的(de)(de)50%應(ying)為(wei)330003/h。

四川推薦天園地方管價格

按照(zhao)氣(qi)流(liu)(liu)(liu)(liu)運動(dong)(dong)來進行風(feng)(feng)(feng)機(ji)分類的(de)有(you):1離(li)心風(feng)(feng)(feng)機(ji),氣(qi)流(liu)(liu)(liu)(liu)進入(ru)旋轉(zhuan)的(de)葉片通道,在離(li)心力(li)作用(yong)(yong)下氣(qi)體被壓(ya)縮并沿著(zhu)半徑(jing)方(fang)向(xiang)(xiang)流(liu)(liu)(liu)(liu)動(dong)(dong)。2軸(zhou)流(liu)(liu)(liu)(liu)風(feng)(feng)(feng)機(ji)氣(qi)流(liu)(liu)(liu)(liu)軸(zhou)向(xiang)(xiang)進入(ru)風(feng)(feng)(feng)機(ji)葉輪(lun)后(hou),在旋轉(zhuan)葉片的(de)流(liu)(liu)(liu)(liu)道中沿著(zhu)軸(zhou)線方(fang)向(xiang)(xiang)流(liu)(liu)(liu)(liu)動(dong)(dong)的(de)風(feng)(feng)(feng)機(ji)。相對于離(li)心風(feng)(feng)(feng)機(ji),軸(zhou)流(liu)(liu)(liu)(liu)風(feng)(feng)(feng)機(ji)具有(you)流(liu)(liu)(liu)(liu)量大、體積小、壓(ya)頭低(di)的(de)特點,用(yong)(yong)于有(you)灰塵(chen)和腐(fu)蝕性氣(qi)體場合時(shi)需注意。3斜流(liu)(liu)(liu)(liu)式(shi)(混流(liu)(liu)(liu)(liu)式(shi))風(feng)(feng)(feng)機(ji),在風(feng)(feng)(feng)機(ji)的(de)葉輪(lun)中,氣(qi)流(liu)(liu)(liu)(liu)的(de)方(fang)向(xiang)(xiang)處于軸(zhou)流(liu)(liu)(liu)(liu)式(shi)之(zhi)間,近(jin)似沿錐流(liu)(liu)(liu)(liu)動(dong)(dong),故可稱(cheng)為斜流(liu)(liu)(liu)(liu)式(shi)(混流(liu)(liu)(liu)(liu)式(shi))風(feng)(feng)(feng)機(ji)。這種風(feng)(feng)(feng)機(ji)的(de)壓(ya)力(li)系數(shu)比軸(zhou)流(liu)(liu)(liu)(liu)式(shi)風(feng)(feng)(feng)機(ji)高(gao)(gao),而流(liu)(liu)(liu)(liu)量系數(shu)比離(li)心式(shi)風(feng)(feng)(feng)機(ji)高(gao)(gao)。