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消(xiao)(xiao)防排(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)機(ji)(ji)(ji)(ji)(ji)一(yi)般(ban)是采(cai)用(yong)(yong)(yong)離(li)(li)心式(shi)(shi)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)和軸(zhou)流(liu)式(shi)(shi)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)兩(liang)種(zhong)重要(yao)的(de)(de)(de)型式(shi)(shi)。從消(xiao)(xiao)防排(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)風(feng)(feng)(feng)(feng)(feng)(feng)量(liang)、風(feng)(feng)(feng)(feng)(feng)(feng)壓(ya)考慮來(lai)看(kan),消(xiao)(xiao)防排(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)是高(gao)比轉高(gao)效(xiao)率的(de)(de)(de)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji),更加的(de)(de)(de)適(shi)合選(xuan)用(yong)(yong)(yong)軸(zhou)流(liu)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)。軸(zhou)流(liu)式(shi)(shi)消(xiao)(xiao)防排(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)有兩(liang)種(zhong)設(she)(she)計(ji)型式(shi)(shi),一(yi)種(zhong)為(wei)電(dian)(dian)機(ji)(ji)(ji)(ji)(ji)與主(zhu)氣(qi)流(liu)分離(li)(li)型式(shi)(shi),另一(yi)種(zhong)為(wei)電(dian)(dian)機(ji)(ji)(ji)(ji)(ji)置于(yu)(yu)主(zhu)氣(qi)流(liu)之(zhi)中。根據(ju)煙(yan)(yan)(yan)(yan)(yan)氣(qi)溫度(du)(du)的(de)(de)(de)不同(tong),采(cai)用(yong)(yong)(yong)不同(tong)型式(shi)(shi)的(de)(de)(de)消(xiao)(xiao)防排(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji),溫度(du)(du)大于(yu)(yu)400℃時(shi),采(cai)用(yong)(yong)(yong)電(dian)(dian)機(ji)(ji)(ji)(ji)(ji)與主(zhu)氣(qi)流(liu)分離(li)(li)型式(shi)(shi),溫度(du)(du)小于(yu)(yu)400℃大于(yu)(yu)150℃,兩(liang)種(zhong)型式(shi)(shi)的(de)(de)(de)電(dian)(dian)機(ji)(ji)(ji)(ji)(ji)都(dou)可以(yi)(yi)選(xuan)擇,在溫度(du)(du)小于(yu)(yu)150℃的(de)(de)(de)時(shi)候,采(cai)用(yong)(yong)(yong)電(dian)(dian)機(ji)(ji)(ji)(ji)(ji)置于(yu)(yu)主(zhu)氣(qi)流(liu)之(zhi)中。 軸(zhou)流(liu)消(xiao)(xiao)防排(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)的(de)(de)(de)流(liu)量(liang)范圍從7200m?/h至(zhi)110000m?/h,有不同(tong)型號的(de)(de)(de)編制,用(yong)(yong)(yong)來(lai)滿足(zu)不同(tong)通(tong)(tong)風(feng)(feng)(feng)(feng)(feng)(feng)排(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)流(liu)量(liang)的(de)(de)(de)需求。消(xiao)(xiao)防排(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)可以(yi)(yi)根據(ju)壓(ya)力情(qing)況的(de)(de)(de)不同(tong)分為(wei)兩(liang)種(zhong)類型,一(yi)類為(wei)軸(zhou)流(liu)式(shi)(shi)消(xiao)(xiao)防排(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)機(ji)(ji)(ji)(ji)(ji),其各機(ji)(ji)(ji)(ji)(ji)號的(de)(de)(de)壓(ya)力在600Pa左(zuo)(zuo)右(you),另一(yi)類為(wei)斜流(liu)消(xiao)(xiao)防排(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji),各機(ji)(ji)(ji)(ji)(ji)號的(de)(de)(de)壓(ya)力在1000Pa左(zuo)(zuo)右(you)。為(wei)了滿足(zu)排(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)量(liang)和通(tong)(tong)風(feng)(feng)(feng)(feng)(feng)(feng)換(huan)氣(qi)的(de)(de)(de)要(yao)求,消(xiao)(xiao)防排(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)一(yi)般(ban)都(dou)設(she)(she)計(ji)了雙速(su)型的(de)(de)(de)結構模(mo)式(shi)(shi)。低(di)速(su)可以(yi)(yi)通(tong)(tong)風(feng)(feng)(feng)(feng)(feng)(feng)使用(yong)(yong)(yong),高(gao)速(su)可以(yi)(yi)排(pai)(pai)放煙(yan)(yan)(yan)(yan)(yan)霧,這樣不但可以(yi)(yi)節(jie)約能源(yuan)同(tong)時(shi)又降(jiang)低(di)了噪(zao)聲污染。
在(zai)空調送(song)風(feng)系(xi)統(tong)中(zhong),空調送(song)風(feng)機送(song)出(chu)的風(feng)必須通(tong)過主干管分配到(dao)(dao)支管中(zhong);在(zai)排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)系(xi)統(tong)中(zhong),煙(yan)(yan)(yan)(yan)(yan)氣由支管到(dao)(dao)主干管后,進入排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)風(feng)機排(pai)(pai)(pai)(pai)出(chu)。當建筑(zhu)物內發(fa)生(sheng)火災時,在(zai)通(tong)風(feng)、空調系(xi)統(tong)中(zhong),為(wei)了(le)(le)防止(zhi)火勢通(tong)過送(song)風(feng)系(xi)統(tong)蔓延,當送(song)風(feng)系(xi)統(tong)中(zhong)氣體溫度達(da)到(dao)(dao)70℃時,防火閥(fa)(fa)(fa)機構上熔斷(duan)(duan)器動作,閥(fa)(fa)(fa)門亦迅速關閥(fa)(fa)(fa),切(qie)斷(duan)(duan)煙(yan)(yan)(yan)(yan)(yan)氣與火勢沿風(feng)管蔓延的通(tong)路(lu)。同(tong)樣,在(zai)排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)系(xi)統(tong)中(zhong),發(fa)生(sheng)火災時,排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)閥(fa)(fa)(fa)開啟,進行排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan),為(wei)了(le)(le)截斷(duan)(duan)高(gao)溫煙(yan)(yan)(yan)(yan)(yan)氣在(zai)排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)管路(lu)中(zhong)流動,防止(zhi)火勢蔓延到(dao)(dao)另一防火分區(qu),當排(pai)(pai)(pai)(pai)出(chu)的煙(yan)(yan)(yan)(yan)(yan)氣溫度達(da)到(dao)(dao)280℃時,排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)防火閥(fa)(fa)(fa)、排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)口(kou)上熔斷(duan)(duan)器動作,閥(fa)(fa)(fa)門必須自動關閉,阻止(zhi)排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)。由此可見,防火閥(fa)(fa)(fa)、排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)閥(fa)(fa)(fa)做到(dao)(dao)了(le)(le)該通(tong)則通(tong),該斷(duan)(duan)則斷(duan)(duan)的隔煙(yan)(yan)(yan)(yan)(yan)阻火作用。
消防排煙(yan)風(feng)機(ji)(ji)首(shou)先應(ying)該滿足溫度(du)和時間的(de)(de)特性,即國家規定280℃/0.5h;其次,在一般環境溫度(du)下,可(ke)(ke)(ke)以(yi)保證(zheng)有效的(de)(de)排煙(yan)控制量(liang)。此外還要(yao)求(qiu)消防排煙(yan)風(feng)機(ji)(ji)能(neng)夠進(jin)行(xing)周期性的(de)(de)實驗,能(neng)夠發現其中的(de)(de)不足,并加以(yi)改進(jin);可(ke)(ke)(ke)以(yi)適用(yong)(yong)(yong)各種(zhong)通風(feng)要(yao)求(qiu)的(de)(de)管道(dao),便于安(an)裝(zhuang)(zhuang)(zhuang)與使用(yong)(yong)(yong)。消防排煙(yan)風(feng)機(ji)(ji)的(de)(de)性能(neng)優良、耐高溫性能(neng)良好、效率高、占(zhan)地(di)比離心風(feng)機(ji)(ji)少、高溫性能(neng)優良。消防排煙(yan)風(feng)機(ji)(ji)能(neng)在300℃高溫條(tiao)件下連續(xu)(xu)運行(xing)60分鐘(zhong)以(yi)上,100℃溫度(du)條(tiao)件下連續(xu)(xu)20小時不損壞,應(ying)用(yong)(yong)(yong)范圍廣(guang),可(ke)(ke)(ke)根據(ju)高級民用(yong)(yong)(yong)建筑的(de)(de)不同要(yao)求(qiu),采用(yong)(yong)(yong)變速或多速的(de)(de)驅動型(xing)式(shi),消防排煙(yan)風(feng)機(ji)(ji)廣(guang)泛(fan)應(ying)用(yong)(yong)(yong)于高級民用(yong)(yong)(yong)建筑、烤箱、地(di)下車(che)庫(ku)、隧道(dao)等場合。安(an)裝(zhuang)(zhuang)(zhuang)方便,可(ke)(ke)(ke)直接和墻壁安(an)裝(zhuang)(zhuang)(zhuang),安(an)裝(zhuang)(zhuang)(zhuang)可(ke)(ke)(ke)采用(yong)(yong)(yong)垂直式(shi)、水平式(shi)或吊裝(zhuang)(zhuang)(zhuang)式(shi),很大程度(du)上節省了占(zhan)地(di)面積。
風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)是(shi)(shi)依靠(kao)輸(shu)入的(de)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)械(xie)(xie)能,提高氣(qi)(qi)體壓力并排送(song)氣(qi)(qi)體的(de)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)械(xie)(xie),它是(shi)(shi)一種從動(dong)的(de)流體機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)械(xie)(xie)。風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)是(shi)(shi)我國對氣(qi)(qi)體壓縮(suo)(suo)和(he)氣(qi)(qi)體輸(shu)送(song)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)械(xie)(xie)的(de)習慣(guan)簡稱,通(tong)常(chang)所說的(de)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)包(bao)(bao)括(kuo)通(tong)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji),鼓風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji),壓縮(suo)(suo)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)以(yi)及羅茨(ci)鼓風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji),離心式(shi)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji),回轉式(shi)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji),水環式(shi)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji),但是(shi)(shi)不包(bao)(bao)括(kuo)活(huo)塞壓縮(suo)(suo)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)等容積式(shi)鼓風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)和(he)壓縮(suo)(suo)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)。氣(qi)(qi)體壓縮(suo)(suo)和(he)氣(qi)(qi)體輸(shu)送(song)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)械(xie)(xie)是(shi)(shi)把旋(xuan)轉的(de)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)械(xie)(xie)轉換為氣(qi)(qi)體壓力能和(he)動(dong)能,并將氣(qi)(qi)體輸(shu)送(song)出去的(de)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)械(xie)(xie)。風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)主要(yao)由(you)風(feng)(feng)(feng)(feng)(feng)(feng)葉(xie)、百葉(xie)窗(chuang)(chuang)、開(kai)窗(chuang)(chuang)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)構、電機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)、皮帶輪、進(jin)風(feng)(feng)(feng)(feng)(feng)(feng)罩(zhao)、內框架、機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)殼、安全網等部(bu)件組成。開(kai)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)時(shi)由(you)電機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)驅動(dong)風(feng)(feng)(feng)(feng)(feng)(feng)葉(xie)旋(xuan)轉,并使(shi)開(kai)窗(chuang)(chuang)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)構打開(kai)百葉(xie)窗(chuang)(chuang)排風(feng)(feng)(feng)(feng)(feng)(feng)。停機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)時(shi)百葉(xie)窗(chuang)(chuang)自動(dong)關閉。風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)廣泛用于工廠、礦(kuang)井、隧道(dao)、冷(leng)(leng)卻(que)塔、車(che)輛、船(chuan)舶和(he)建筑物的(de)通(tong)風(feng)(feng)(feng)(feng)(feng)(feng)、排塵和(he)冷(leng)(leng)卻(que);鍋爐和(he)工業(ye)爐窯的(de)通(tong)風(feng)(feng)(feng)(feng)(feng)(feng)和(he)引風(feng)(feng)(feng)(feng)(feng)(feng);空(kong)氣(qi)(qi)調節(jie)設備和(he)家用電器設備中的(de)冷(leng)(leng)卻(que)和(he)通(tong)風(feng)(feng)(feng)(feng)(feng)(feng);谷物的(de)烘(hong)干和(he)選送(song);風(feng)(feng)(feng)(feng)(feng)(feng)洞風(feng)(feng)(feng)(feng)(feng)(feng)源和(he)氣(qi)(qi)墊船(chuan)的(de)充氣(qi)(qi)和(he)推進(jin)等。
消防排煙風機廠家產品由多個配件構成,比如說葉輪、機殼、軸承、主軸等等構成,而通風管配件不同的配件也起著不同的作用。首先對于葉輪而言,一般采用優質鍍鋅板制作而成的葉片,通過傾斜設計,與拉伸成型的前盤一起形成了更合理的流道,從而保證了葉輪的高效率。而軸承是帶鑄造座的外球面軸承,可以通過外球面配合調整同軸度的誤差。主軸一般采用45#鋼經調制處理后精車而成,保證足夠的光潔度和尺寸精。另外兩層板內部填充消聲材料,值得信賴的通風管配件能(neng)更有效(xiao)隔熱降噪(zao)。消(xiao)防(fang)排煙風(feng)機不能(neng)距離(li)隧道(dao)(dao)(dao)(dao)的邊(bian)壁太(tai)近,避免(mian)影響通(tong)(tong)風(feng)效(xiao)果。通(tong)(tong)風(feng)系(xi)統從安(an)全(quan)隧道(dao)(dao)(dao)(dao)向通(tong)(tong)過橫(heng)通(tong)(tong)道(dao)(dao)(dao)(dao)向事故(gu)隧道(dao)(dao)(dao)(dao)方向送風(feng),抑制煙氣進入(ru)橫(heng)通(tong)(tong)道(dao)(dao)(dao)(dao)及未(wei)發生(sheng)事故(gu)的隧道(dao)(dao)(dao)(dao),滿足疏(shu)散人員迎著新風(feng)進入(ru)橫(heng)通(tong)(tong)道(dao)(dao)(dao)(dao)和安(an)全(quan)隧道(dao)(dao)(dao)(dao)內(nei),同時保證等待區域所需要的新鮮空氣。充分利用定(ding)點救援站處的斜井和隧道(dao)(dao)(dao)(dao)兩端的消(xiao)防(fang)排煙風(feng)機作(zuo)為送入(ru)新風(feng)和排煙的通(tong)(tong)道(dao)(dao)(dao)(dao),通(tong)(tong)風(feng)必須維持橫(heng)通(tong)(tong)道(dao)(dao)(dao)(dao)口(kou)處于正壓狀態,防(fang)止煙氣流(liu)向通(tong)(tong)道(dao)(dao)(dao)(dao)內(nei)。