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風管主要指中央空調系統的通風管道,它常常被忽視,但卻是空調系統的重要組成部分,云南消防風機目前常見的風管主要有四種:1)鍍鋅薄鋼板風管;2)無機玻璃鋼風管;3)復合玻纖板風管;4)纖維織物風管。鍍鋅薄鋼板風管:早使用的風管,消防風機廠家采用(yong)鍍鋅薄(bo)鋼板制(zhi)作(zuo),適合(he)含濕量小的(de)一(yi)般性氣體的(de)輸送,有(you)易生(sheng)銹,無(wu)(wu)(wu)保溫和消聲(sheng)功能(neng),制(zhi)作(zuo)安裝(zhuang)周(zhou)期長(chang)的(de)特點。無(wu)(wu)(wu)機玻璃鋼風(feng)管:較(jiao)新(xin)的(de)風(feng)管類型(xing),采用(yong)玻璃纖維(wei)增強無(wu)(wu)(wu)機材(cai)料(liao)制(zhi)作(zuo),遇火不燃、耐腐蝕、份量重,硬(ying)度大但(dan)較(jiao)脆,受自重影響(xiang)易變(bian)形(xing)酥裂,無(wu)(wu)(wu)保溫和消聲(sheng)性能(neng),制(zhi)作(zuo)安裝(zhuang)周(zhou)期長(chang)。
風(feng)(feng)(feng)機(ji)(ji)(ji)是依(yi)靠輸入的(de)(de)(de)(de)(de)機(ji)(ji)(ji)械(xie)能(neng),提高氣(qi)體(ti)壓(ya)(ya)力并排(pai)送(song)氣(qi)體(ti)的(de)(de)(de)(de)(de)機(ji)(ji)(ji)械(xie),它是一(yi)種從動(dong)(dong)的(de)(de)(de)(de)(de)流(liu)體(ti)機(ji)(ji)(ji)械(xie)。風(feng)(feng)(feng)機(ji)(ji)(ji)是我國(guo)對氣(qi)體(ti)壓(ya)(ya)縮和(he)(he)(he)氣(qi)體(ti)輸送(song)機(ji)(ji)(ji)械(xie)的(de)(de)(de)(de)(de)習慣簡稱,通(tong)常所(suo)說的(de)(de)(de)(de)(de)風(feng)(feng)(feng)機(ji)(ji)(ji)包括通(tong)風(feng)(feng)(feng)機(ji)(ji)(ji),鼓風(feng)(feng)(feng)機(ji)(ji)(ji),壓(ya)(ya)縮機(ji)(ji)(ji)以及羅茨鼓風(feng)(feng)(feng)機(ji)(ji)(ji),離心式(shi)風(feng)(feng)(feng)機(ji)(ji)(ji),回轉(zhuan)(zhuan)式(shi)風(feng)(feng)(feng)機(ji)(ji)(ji),水環式(shi)風(feng)(feng)(feng)機(ji)(ji)(ji),但(dan)是不包括活塞壓(ya)(ya)縮機(ji)(ji)(ji)等(deng)(deng)容積式(shi)鼓風(feng)(feng)(feng)機(ji)(ji)(ji)和(he)(he)(he)壓(ya)(ya)縮機(ji)(ji)(ji)。氣(qi)體(ti)壓(ya)(ya)縮和(he)(he)(he)氣(qi)體(ti)輸送(song)機(ji)(ji)(ji)械(xie)是把(ba)旋轉(zhuan)(zhuan)的(de)(de)(de)(de)(de)機(ji)(ji)(ji)械(xie)轉(zhuan)(zhuan)換為氣(qi)體(ti)壓(ya)(ya)力能(neng)和(he)(he)(he)動(dong)(dong)能(neng),并將氣(qi)體(ti)輸送(song)出去的(de)(de)(de)(de)(de)機(ji)(ji)(ji)械(xie)。風(feng)(feng)(feng)機(ji)(ji)(ji)主(zhu)要由風(feng)(feng)(feng)葉、百(bai)葉窗(chuang)、開(kai)窗(chuang)機(ji)(ji)(ji)構、電機(ji)(ji)(ji)、皮帶輪、進風(feng)(feng)(feng)罩、內框架、機(ji)(ji)(ji)殼、安全(quan)網等(deng)(deng)部件組成。開(kai)機(ji)(ji)(ji)時(shi)由電機(ji)(ji)(ji)驅動(dong)(dong)風(feng)(feng)(feng)葉旋轉(zhuan)(zhuan),并使開(kai)窗(chuang)機(ji)(ji)(ji)構打開(kai)百(bai)葉窗(chuang)排(pai)風(feng)(feng)(feng)。停機(ji)(ji)(ji)時(shi)百(bai)葉窗(chuang)自動(dong)(dong)關閉。風(feng)(feng)(feng)機(ji)(ji)(ji)廣泛用于工廠、礦井、隧(sui)道、冷卻(que)塔、車輛(liang)、船舶和(he)(he)(he)建筑物的(de)(de)(de)(de)(de)通(tong)風(feng)(feng)(feng)、排(pai)塵和(he)(he)(he)冷卻(que);鍋爐(lu)和(he)(he)(he)工業爐(lu)窯的(de)(de)(de)(de)(de)通(tong)風(feng)(feng)(feng)和(he)(he)(he)引風(feng)(feng)(feng);空氣(qi)調節(jie)設備和(he)(he)(he)家(jia)用電器設備中的(de)(de)(de)(de)(de)冷卻(que)和(he)(he)(he)通(tong)風(feng)(feng)(feng);谷(gu)物的(de)(de)(de)(de)(de)烘干和(he)(he)(he)選送(song);風(feng)(feng)(feng)洞風(feng)(feng)(feng)源和(he)(he)(he)氣(qi)墊(dian)船的(de)(de)(de)(de)(de)充氣(qi)和(he)(he)(he)推進等(deng)(deng)。
通風(feng)(feng)(feng)(feng)管(guan)(guan)道(dao)安裝(zhuang)程(cheng)序(xu):(1)風(feng)(feng)(feng)(feng)管(guan)(guan)組(zu)(zu)(zu)裝(zhuang):當風(feng)(feng)(feng)(feng)管(guan)(guan)較(jiao)短時(shi),可(ke)一次在地(di)(di)面(mian)(mian)組(zu)(zu)(zu)裝(zhuang)而成,當風(feng)(feng)(feng)(feng)管(guan)(guan)較(jiao)長時(shi),可(ke)視安裝(zhuang)場地(di)(di)的(de)情況,在地(di)(di)面(mian)(mian)分段(duan)組(zu)(zu)(zu)裝(zhuang)。組(zu)(zu)(zu)裝(zhuang)時(shi)應(ying)(ying)盡量(liang)調(diao)整風(feng)(feng)(feng)(feng)道(dao)的(de)中心度(du)和(he)(he)(he)水(shui)平(ping)(ping)度(du),避免風(feng)(feng)(feng)(feng)管(guan)(guan)扭曲或上(shang)下起(qi)波,左(zuo)右擺龍,每段(duan)風(feng)(feng)(feng)(feng)道(dao)不宜超(chao)過10m.組(zu)(zu)(zu)裝(zhuang)時(shi),墊(dian)片應(ying)(ying)墊(dian)平(ping)(ping),法蘭螺(luo)栓應(ying)(ying)均勻(yun)(yun)擰緊(jin),螺(luo)母帽均朝向同(tong)一方(fang)向。(2)風(feng)(feng)(feng)(feng)管(guan)(guan)就(jiu)(jiu)位(wei):風(feng)(feng)(feng)(feng)管(guan)(guan)就(jiu)(jiu)位(wei)前應(ying)(ying)檢(jian)查全部支架的(de)水(shui)乎(hu)度(du)和(he)(he)(he)標高、檢(jian)查支架的(de)牢固(gu)程(cheng)度(du),風(feng)(feng)(feng)(feng)管(guan)(guan)就(jiu)(jiu)位(wei)可(ke)采(cai)(cai)用(yong)直(zhi)(zhi)接和(he)(he)(he)吊(diao)具(ju)兩(liang)種方(fang)法。對風(feng)(feng)(feng)(feng)管(guan)(guan)斷面(mian)(mian)較(jiao)小,又位(wei)置較(jiao)低的(de)可(ke)采(cai)(cai)用(yong)人(ren)工就(jiu)(jiu)位(wei)方(fang)法,只(zhi)需搭設簡易腳(jiao)手(shou)架即(ji)可(ke)。當風(feng)(feng)(feng)(feng)管(guan)(guan)斷面(mian)(mian)較(jiao)大且管(guan)(guan)段(duan)較(jiao)長時(shi),可(ke)采(cai)(cai)用(yong)滑輪、倒鏈(lian)、大繩(sheng)等方(fang)法吊(diao)裝(zhuang)。世紀星介(jie)紹為了便于風(feng)(feng)(feng)(feng)道(dao)就(jiu)(jiu)位(wei),一般多采(cai)(cai)用(yong)將(jiang)(jiang)風(feng)(feng)(feng)(feng)道(dao)吊(diao)在腳(jiao)手(shou)架上(shang),然(ran)后再將(jiang)(jiang)其抬放在風(feng)(feng)(feng)(feng)道(dao)支架上(shang)的(de)方(fang)法。腳(jiao)手(shou)架應(ying)(ying)沿(yan)其風(feng)(feng)(feng)(feng)道(dao)長度(du)方(fang)向搭設,高度(du)和(he)(he)(he)位(wei)置應(ying)(ying)適合施工操作(zuo),吊(diao)裝(zhuang)順序(xu)應(ying)(ying)先干管(guan)(guan)后支、立管(guan)(guan),吊(diao)起(qi)時(shi),吊(diao)點(dian)應(ying)(ying)牢固(gu),兩(liang)吊(diao)點(dian)應(ying)(ying)均勻(yun)(yun)受力。垂直(zhi)(zhi)風(feng)(feng)(feng)(feng)管(guan)(guan)可(ke)采(cai)(cai)用(yong)人(ren)工和(he)(he)(he)大繩(sheng)輔助(zhu)就(jiu)(jiu)位(wei)。調(diao)整風(feng)(feng)(feng)(feng)管(guan)(guan)保(bao)證垂直(zhi)(zhi)度(du)要求(qiu)。(3)風(feng)(feng)(feng)(feng)道(dao)調(diao)直(zhi)(zhi):就(jiu)(jiu)位(wei)在支架上(shang)的(de)風(feng)(feng)(feng)(feng)道(dao),應(ying)(ying)撥正位(wei)置,調(diao)整風(feng)(feng)(feng)(feng)道(dao)橫(heng)平(ping)(ping)豎直(zhi)(zhi),然(ran)后再按圖(tu)集要求(qiu)固(gu)定。
1、消(xiao)聲(sheng)(sheng)(sheng)(sheng)性(xing)能(neng):鍍鋅(xin)薄鋼(gang)(gang)板(ban)風(feng)(feng)(feng)管(guan)(guan)(guan)(guan):無(wu)(wu)(wu)(wu)消(xiao)聲(sheng)(sheng)(sheng)(sheng)性(xing)能(neng),自身震(zhen)動會產(chan)生聲(sheng)(sheng)(sheng)(sheng)音,必(bi)須加(jia)裝消(xiao)聲(sheng)(sheng)(sheng)(sheng)器(qi)。無(wu)(wu)(wu)(wu)機玻璃鋼(gang)(gang)風(feng)(feng)(feng)管(guan)(guan)(guan)(guan):無(wu)(wu)(wu)(wu)消(xiao)聲(sheng)(sheng)(sheng)(sheng)性(xing)能(neng),隔(ge)聲(sheng)(sheng)(sheng)(sheng)性(xing)能(neng)優于鍍鋅(xin)薄鋼(gang)(gang)板(ban)風(feng)(feng)(feng)管(guan)(guan)(guan)(guan),必(bi)須加(jia)裝消(xiao)聲(sheng)(sheng)(sheng)(sheng)器(qi)。復合玻纖(xian)板(ban)風(feng)(feng)(feng)管(guan)(guan)(guan)(guan):其管(guan)(guan)(guan)(guan)壁(bi)是一(yi)種多(duo)孔性(xing)吸聲(sheng)(sheng)(sheng)(sheng)材(cai)料,可(ke)省去專(zhuan)用消(xiao)聲(sheng)(sheng)(sheng)(sheng)器(qi)。纖(xian)維(wei)織(zhi)物風(feng)(feng)(feng)管(guan)(guan)(guan)(guan):其管(guan)(guan)(guan)(guan)壁(bi)為(wei)柔性(xing)纖(xian)維(wei)織(zhi)物,本身就是聲(sheng)(sheng)(sheng)(sheng)音的(de)不(bu)(bu)良(liang)導體(ti)和吸收體(ti),自身不(bu)(bu)會產(chan)生聲(sheng)(sheng)(sheng)(sheng)音,還(huan)可(ke)以一(yi)定程度(du)上吸收設備(bei)噪聲(sheng)(sheng)(sheng)(sheng),隨著管(guan)(guan)(guan)(guan)道的(de)延長,效果(guo)更為(wei)明顯,可(ke)省去專(zhuan)用消(xiao)聲(sheng)(sheng)(sheng)(sheng)器(qi)。2、保(bao)(bao)(bao)溫(wen)(wen)性(xing)能(neng):鍍鋅(xin)薄鋼(gang)(gang)板(ban)風(feng)(feng)(feng)管(guan)(guan)(guan)(guan):導熱系數很大(da)(為(wei)60.4 W/m?K),無(wu)(wu)(wu)(wu)保(bao)(bao)(bao)溫(wen)(wen)性(xing)能(neng),必(bi)須另外(wai)加(jia)包保(bao)(bao)(bao)溫(wen)(wen)層及保(bao)(bao)(bao)護層。無(wu)(wu)(wu)(wu)機玻璃鋼(gang)(gang)風(feng)(feng)(feng)管(guan)(guan)(guan)(guan):導熱系數大(da)(為(wei)0.5W/m?K),無(wu)(wu)(wu)(wu)保(bao)(bao)(bao)溫(wen)(wen)性(xing)能(neng)。復合玻纖(xian)板(ban)風(feng)(feng)(feng)管(guan)(guan)(guan)(guan):導熱系數小(平均溫(wen)(wen)度(du)24℃時小于1W/m?K),有一(yi)定保(bao)(bao)(bao)溫(wen)(wen)性(xing)能(neng),不(bu)(bu)加(jia)裝保(bao)(bao)(bao)溫(wen)(wen)。
在(zai)(zai)空調送(song)風(feng)系(xi)(xi)統中(zhong)(zhong),空調送(song)風(feng)機(ji)送(song)出的風(feng)必須通(tong)(tong)(tong)過主干管(guan)分配到(dao)(dao)支(zhi)管(guan)中(zhong)(zhong);在(zai)(zai)排(pai)(pai)煙(yan)(yan)(yan)(yan)系(xi)(xi)統中(zhong)(zhong),煙(yan)(yan)(yan)(yan)氣(qi)(qi)由(you)支(zhi)管(guan)到(dao)(dao)主干管(guan)后,進入(ru)排(pai)(pai)煙(yan)(yan)(yan)(yan)風(feng)機(ji)排(pai)(pai)出。當建筑物內(nei)發(fa)生(sheng)火(huo)(huo)(huo)災時(shi),在(zai)(zai)通(tong)(tong)(tong)風(feng)、空調系(xi)(xi)統中(zhong)(zhong),為了防(fang)止火(huo)(huo)(huo)勢通(tong)(tong)(tong)過送(song)風(feng)系(xi)(xi)統蔓延,當送(song)風(feng)系(xi)(xi)統中(zhong)(zhong)氣(qi)(qi)體(ti)溫(wen)度達(da)到(dao)(dao)70℃時(shi),防(fang)火(huo)(huo)(huo)閥(fa)機(ji)構上熔斷(duan)(duan)(duan)(duan)器(qi)動作(zuo),閥(fa)門(men)亦迅速關(guan)閥(fa),切斷(duan)(duan)(duan)(duan)煙(yan)(yan)(yan)(yan)氣(qi)(qi)與火(huo)(huo)(huo)勢沿風(feng)管(guan)蔓延的通(tong)(tong)(tong)路。同樣(yang),在(zai)(zai)排(pai)(pai)煙(yan)(yan)(yan)(yan)系(xi)(xi)統中(zhong)(zhong),發(fa)生(sheng)火(huo)(huo)(huo)災時(shi),排(pai)(pai)煙(yan)(yan)(yan)(yan)閥(fa)開啟(qi),進行排(pai)(pai)煙(yan)(yan)(yan)(yan),為了截斷(duan)(duan)(duan)(duan)高溫(wen)煙(yan)(yan)(yan)(yan)氣(qi)(qi)在(zai)(zai)排(pai)(pai)煙(yan)(yan)(yan)(yan)管(guan)路中(zhong)(zhong)流(liu)動,防(fang)止火(huo)(huo)(huo)勢蔓延到(dao)(dao)另(ling)一防(fang)火(huo)(huo)(huo)分區,當排(pai)(pai)出的煙(yan)(yan)(yan)(yan)氣(qi)(qi)溫(wen)度達(da)到(dao)(dao)280℃時(shi),排(pai)(pai)煙(yan)(yan)(yan)(yan)防(fang)火(huo)(huo)(huo)閥(fa)、排(pai)(pai)煙(yan)(yan)(yan)(yan)口上熔斷(duan)(duan)(duan)(duan)器(qi)動作(zuo),閥(fa)門(men)必須自動關(guan)閉,阻止排(pai)(pai)煙(yan)(yan)(yan)(yan)。由(you)此可見(jian),防(fang)火(huo)(huo)(huo)閥(fa)、排(pai)(pai)煙(yan)(yan)(yan)(yan)閥(fa)做到(dao)(dao)了該通(tong)(tong)(tong)則(ze)通(tong)(tong)(tong),該斷(duan)(duan)(duan)(duan)則(ze)斷(duan)(duan)(duan)(duan)的隔(ge)煙(yan)(yan)(yan)(yan)阻火(huo)(huo)(huo)作(zuo)用。
(1)防(fang)(fang)火(huo)閥(fa)(fa)(fa)(fa)使用及安(an)(an)(an)裝(zhuang)(a) 安(an)(an)(an)裝(zhuang)前必須(xu)檢查(cha)防(fang)(fang)火(huo)閥(fa)(fa)(fa)(fa)外(wai)觀質量(liang)(liang)、控制(zhi)性(xing)能(neng)和閥(fa)(fa)(fa)(fa)門(men)動作(zuo),確(que)認(ren)正常后(hou)配鉆(zhan)法蘭(lan)連接(jie)孔。(b) 安(an)(an)(an)裝(zhuang)時(shi)防(fang)(fang)火(huo)閥(fa)(fa)(fa)(fa)的方(fang)向(xiang)位(wei)置應正確(que),熔斷(duan)器(易熔片(pian))應先于葉片(pian)軸接(jie)觸熱(re)氣流(即位(wei)于葉片(pian)的迎風側(ce))。自重式防(fang)(fang)火(huo)閥(fa)(fa)(fa)(fa)要(yao)注意葉片(pian)的上(shang)下方(fang)向(xiang)氣流方(fang)向(xiang)標志,不(bu)得倒置。(c) 防(fang)(fang)火(huo)閥(fa)(fa)(fa)(fa)應牢靠(kao)地固定在設定的位(wei)置上(shang),確(que)保當發(fa)生火(huo)災時(shi)不(bu)致因(yin)管道變形下塌而影響工作(zuo)性(xing)能(neng),必要(yao)時(shi)應設吊架。(d) 具有風量(liang)(liang)調(diao)節(jie)功能(neng)的防(fang)(fang)火(huo)閥(fa)(fa)(fa)(fa),應在調(diao)試(shi)過(guo)程(cheng)中調(diao)定閥(fa)(fa)(fa)(fa)門(men)開度(du)。(e) 當設計防(fang)(fang)火(huo)閥(fa)(fa)(fa)(fa)為(wei)吊頂安(an)(an)(an)裝(zhuang)或靠(kao)近墻體(ti)(ti)(ti)安(an)(an)(an)裝(zhuang)時(shi),要(yao)保證防(fang)(fang)火(huo)閥(fa)(fa)(fa)(fa)周圍(wei)貿有足夠空間。(f) 安(an)(an)(an)裝(zhuang)防(fang)(fang)火(huo)閥(fa)(fa)(fa)(fa)后(hou)的施工過(guo)程(cheng)中,要(yao)注意不(bu)得使閥(fa)(fa)(fa)(fa)體(ti)(ti)(ti)、操作(zuo)裝(zhuang)置等受到損傷、變形,以(yi)免影響其工作(zuo)性(xing)能(neng)(g) 安(an)(an)(an)裝(zhuang)后(hou)應對防(fang)(fang)火(huo)閥(fa)(fa)(fa)(fa)清掃檢查(cha),閥(fa)(fa)(fa)(fa)體(ti)(ti)(ti)內不(bu)得有雜(za)物,并進行操作(zuo)試(shi)驗,確(que)保閥(fa)(fa)(fa)(fa)體(ti)(ti)(ti)正常工作(zuo)。