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在空調(diao)送(song)風(feng)(feng)(feng)(feng)(feng)系(xi)(xi)(xi)(xi)統(tong)(tong)中,空調(diao)送(song)風(feng)(feng)(feng)(feng)(feng)機送(song)出(chu)的(de)(de)(de)風(feng)(feng)(feng)(feng)(feng)必須(xu)通(tong)(tong)過(guo)主干(gan)管(guan)(guan)分(fen)配(pei)到(dao)(dao)支管(guan)(guan)中;在排(pai)(pai)煙(yan)(yan)系(xi)(xi)(xi)(xi)統(tong)(tong)中,煙(yan)(yan)氣(qi)由支管(guan)(guan)到(dao)(dao)主干(gan)管(guan)(guan)后,進(jin)入(ru)排(pai)(pai)煙(yan)(yan)風(feng)(feng)(feng)(feng)(feng)機排(pai)(pai)出(chu)。當建筑物內發(fa)生火災(zai)時(shi),在通(tong)(tong)風(feng)(feng)(feng)(feng)(feng)、空調(diao)系(xi)(xi)(xi)(xi)統(tong)(tong)中,為(wei)了防(fang)止火勢(shi)通(tong)(tong)過(guo)送(song)風(feng)(feng)(feng)(feng)(feng)系(xi)(xi)(xi)(xi)統(tong)(tong)蔓(man)延(yan),當送(song)風(feng)(feng)(feng)(feng)(feng)系(xi)(xi)(xi)(xi)統(tong)(tong)中氣(qi)體(ti)溫度(du)達到(dao)(dao)70℃時(shi),防(fang)火閥(fa)機構(gou)上熔斷(duan)(duan)器動(dong)作(zuo),閥(fa)門(men)亦(yi)迅速關閥(fa),切斷(duan)(duan)煙(yan)(yan)氣(qi)與火勢(shi)沿風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)蔓(man)延(yan)的(de)(de)(de)通(tong)(tong)路(lu)。同(tong)樣,在排(pai)(pai)煙(yan)(yan)系(xi)(xi)(xi)(xi)統(tong)(tong)中,發(fa)生火災(zai)時(shi),排(pai)(pai)煙(yan)(yan)閥(fa)開啟,進(jin)行排(pai)(pai)煙(yan)(yan),為(wei)了截(jie)斷(duan)(duan)高溫煙(yan)(yan)氣(qi)在排(pai)(pai)煙(yan)(yan)管(guan)(guan)路(lu)中流動(dong),防(fang)止火勢(shi)蔓(man)延(yan)到(dao)(dao)另一防(fang)火分(fen)區,當排(pai)(pai)出(chu)的(de)(de)(de)煙(yan)(yan)氣(qi)溫度(du)達到(dao)(dao)280℃時(shi),排(pai)(pai)煙(yan)(yan)防(fang)火閥(fa)、排(pai)(pai)煙(yan)(yan)口(kou)上熔斷(duan)(duan)器動(dong)作(zuo),閥(fa)門(men)必須(xu)自動(dong)關閉,阻止排(pai)(pai)煙(yan)(yan)。由此可(ke)見,防(fang)火閥(fa)、排(pai)(pai)煙(yan)(yan)閥(fa)做到(dao)(dao)了該(gai)通(tong)(tong)則通(tong)(tong),該(gai)斷(duan)(duan)則斷(duan)(duan)的(de)(de)(de)隔煙(yan)(yan)阻火作(zuo)用。
雖然在商業建筑與多種居住房的被動消防中,防火閥是關鍵組件,但在對建筑和其居住者的安全保護中,很多管理者沒有意識到防火閥的作用以及規定時間間隔內,防火閥的檢測、清潔及維護的重要意義。在推薦廚房排煙管道商業建筑中的建造中我們總會遇到一些麻煩,試圖在能源效率與室內空氣質量之間尋求平衡就是其中。大多商業建筑通過機械通風或空調系統解決,能夠測量和控制整個建筑的空氣變化。在通風管道系統的安裝上就存在上面提到的問題———如何在延遲或廚房排煙管道阻止(zhi)火災(zai)蔓延的(de)建筑防(fang)火分隔與所(suo)允(yun)許(xu)空氣(qi)(qi)自由(you)流(liu)通(tong)的(de)需要之間達到平衡。滿足(zu)空氣(qi)(qi)自由(you)流(liu)通(tong)需要不可避免地再引入一條通(tong)道(dao),而這卻加快了(le)火勢的(de)蔓延———利用通(tong)風管(guan)道(dao)系統使(shi)用的(de)通(tong)道(dao)。毫無疑問,這中斷了(le)防(fang)火分隔,充當(dang)了(le)建筑被(bei)動消(xiao)防(fang)護面的(de)“裂口”。
消(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)器是(shi)(shi)利用聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)的吸(xi)(xi)(xi)(xi)收(shou)、反射、干涉等(deng)原(yuan)(yuan)理(li),降低通(tong)風與(yu)空調(diao)系統中(zhong)(zhong)氣(qi)流(liu)噪聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)的裝置(zhi)。根據消(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)原(yuan)(yuan)理(li)的不同可以分(fen)為阻(zu)性(xing)(xing)、抗性(xing)(xing)、共振型和(he)(he)復(fu)合型等(deng)。一、阻(zu)性(xing)(xing)消(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)器,阻(zu)性(xing)(xing)消(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)器利用吸(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)材(cai)料的吸(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)作用而消(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)的。其(qi)構造是(shi)(shi)把吸(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)材(cai)料固定在氣(qi)流(liu)流(liu)動的管道(dao)內壁,或(huo)按一定方式排列(lie)在管道(dao)或(huo)殼體內構成阻(zu)性(xing)(xing)消(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)器,吸(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)材(cai)料能(neng)(neng)夠(gou)把入(ru)射在其(qi)上的聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)能(neng)(neng)部(bu)分(fen)地吸(xi)(xi)(xi)(xi)收(shou)掉。聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)能(neng)(neng)之(zhi)所以能(neng)(neng)被吸(xi)(xi)(xi)(xi)收(shou),是(shi)(shi)由(you)于吸(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)材(cai)料的多孔(kong)性(xing)(xing)和(he)(he)松散性(xing)(xing)。當聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)波進入(ru)孔(kong)隙(xi),引起孔(kong)隙(xi)中(zhong)(zhong)的空氣(qi)和(he)(he)材(cai)料產生微小的振動,由(you)于摩擦和(he)(he)粘滯(zhi)阻(zu)力(li)。使相當一部(bu)分(fen)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)能(neng)(neng)化(hua)為熱能(neng)(neng)而被吸(xi)(xi)(xi)(xi)收(shou)掉。
一(yi)、火(huo)災(zai)自(zi)動報(bao)警系統(tong):對(dui)(dui)消防火(huo)災(zai)報(bao)警控制(zhi)(zhi)器進(jin)行(xing)(xing)(xing)自(zi)檢(jian)功(gong)能(neng)檢(jian)查(cha)(cha)(cha):對(dui)(dui)可(ke)測量相關參數進(jin)行(xing)(xing)(xing)查(cha)(cha)(cha)看(kan)和記錄,如回路(lu)電流等;公(gong)共(gong)場所煙(yan)感(gan)器、溫感(gan)器安(an)(an)裝檢(jian)查(cha)(cha)(cha),與底座接觸是(shi)(shi)否(fou)良好(hao),外(wai)觀(guan)是(shi)(shi)否(fou)潔凈完(wan)好(hao);每次隨(sui)機抽取(qu)不(bu)低(di)于(yu)(yu)5%的煙(yan)感(gan)或(huo)溫感(gan),噴煙(yan)或(huo)加熱后查(cha)(cha)(cha)視(shi)報(bao)警是(shi)(shi)否(fou)正確;手動報(bao)警按鈕(niu),檢(jian)查(cha)(cha)(cha)安(an)(an)裝是(shi)(shi)否(fou)牢固(gu),有無(wu)破(po)損及(ji)丟失;每次隨(sui)機抽取(qu)不(bu)低(di)于(yu)(yu)5%的手動報(bao)警按鈕(niu),進(jin)行(xing)(xing)(xing)模擬報(bao)警,測試報(bao)警功(gong)能(neng)是(shi)(shi)否(fou)正常(chang);對(dui)(dui)樓層內各模塊箱(xiang)進(jin)行(xing)(xing)(xing)外(wai)觀(guan)檢(jian)查(cha)(cha)(cha),外(wai)接線是(shi)(shi)否(fou)固(gu)定良好(hao);對(dui)(dui)聯(lian)動控制(zhi)(zhi)柜上的按鈕(niu)每次按10%的比例(li)進(jin)行(xing)(xing)(xing)功(gong)能(neng)試驗,控制(zhi)(zhi)功(gong)能(neng)正常(chang)。對(dui)(dui)火(huo)災(zai)報(bao)警控制(zhi)(zhi)柜、聯(lian)動控制(zhi)(zhi)柜等進(jin)行(xing)(xing)(xing)清(qing)掃(sao)除塵。線路(lu)松動,應進(jin)行(xing)(xing)(xing)緊(jin)固(gu)。對(dui)(dui)自(zi)檢(jian)、消音、復(fu)位功(gong)能(neng)檢(jian)查(cha)(cha)(cha),主電源與備用(yong)電源切換、報(bao)警檢(jian)查(cha)(cha)(cha)。二(er)、應急照明及(ji)疏散指(zhi)(zhi)示(shi)燈(deng)每3個(ge)月進(jin)行(xing)(xing)(xing)一(yi)次備用(yong)電池(chi)亮燈(deng)(半個(ge)小(xiao)時),使電池(chi)放(fang)電后再(zai)充電,延長電池(chi)壽命(ming);檢(jian)查(cha)(cha)(cha)出口指(zhi)(zhi)示(shi)燈(deng)玻(bo)璃面板有無(wu)劃傷或(huo)破(po)裂現象;出口指(zhi)(zhi)示(shi)燈(deng)電源指(zhi)(zhi)示(shi)燈(deng)是(shi)(shi)否(fou)亮,如不(bu)亮,應立即修理;檢(jian)查(cha)(cha)(cha)出口指(zhi)(zhi)示(shi)燈(deng)安(an)(an)裝是(shi)(shi)否(fou)牢固(gu);針對(dui)(dui)檢(jian)查(cha)(cha)(cha)中(zhong)發現的缺陷取(qu)下來進(jin)行(xing)(xing)(xing)修復(fu),再(zai)裝回原(yuan)位;燈(deng)箱(xiang)外(wai)殼及(ji)面板擦抹干凈。
風機(ji)(ji)(ji)(ji)(ji)(ji)是(shi)(shi)依靠輸(shu)入的(de)機(ji)(ji)(ji)(ji)(ji)(ji)械能,提高氣(qi)(qi)(qi)體(ti)(ti)壓(ya)(ya)力并(bing)(bing)(bing)排(pai)送(song)氣(qi)(qi)(qi)體(ti)(ti)的(de)機(ji)(ji)(ji)(ji)(ji)(ji)械,它是(shi)(shi)一種從動(dong)的(de)流體(ti)(ti)機(ji)(ji)(ji)(ji)(ji)(ji)械。風機(ji)(ji)(ji)(ji)(ji)(ji)是(shi)(shi)我國對氣(qi)(qi)(qi)體(ti)(ti)壓(ya)(ya)縮(suo)(suo)和(he)(he)氣(qi)(qi)(qi)體(ti)(ti)輸(shu)送(song)機(ji)(ji)(ji)(ji)(ji)(ji)械的(de)習慣簡(jian)稱(cheng),通常所說的(de)風機(ji)(ji)(ji)(ji)(ji)(ji)包(bao)括通風機(ji)(ji)(ji)(ji)(ji)(ji),鼓(gu)(gu)風機(ji)(ji)(ji)(ji)(ji)(ji),壓(ya)(ya)縮(suo)(suo)機(ji)(ji)(ji)(ji)(ji)(ji)以及(ji)羅茨鼓(gu)(gu)風機(ji)(ji)(ji)(ji)(ji)(ji),離心式風機(ji)(ji)(ji)(ji)(ji)(ji),回轉式風機(ji)(ji)(ji)(ji)(ji)(ji),水環式風機(ji)(ji)(ji)(ji)(ji)(ji),但是(shi)(shi)不(bu)包(bao)括活塞壓(ya)(ya)縮(suo)(suo)機(ji)(ji)(ji)(ji)(ji)(ji)等容積(ji)式鼓(gu)(gu)風機(ji)(ji)(ji)(ji)(ji)(ji)和(he)(he)壓(ya)(ya)縮(suo)(suo)機(ji)(ji)(ji)(ji)(ji)(ji)。氣(qi)(qi)(qi)體(ti)(ti)壓(ya)(ya)縮(suo)(suo)和(he)(he)氣(qi)(qi)(qi)體(ti)(ti)輸(shu)送(song)機(ji)(ji)(ji)(ji)(ji)(ji)械是(shi)(shi)把旋(xuan)轉的(de)機(ji)(ji)(ji)(ji)(ji)(ji)械轉換為氣(qi)(qi)(qi)體(ti)(ti)壓(ya)(ya)力能和(he)(he)動(dong)能,并(bing)(bing)(bing)將氣(qi)(qi)(qi)體(ti)(ti)輸(shu)送(song)出去(qu)的(de)機(ji)(ji)(ji)(ji)(ji)(ji)械。風機(ji)(ji)(ji)(ji)(ji)(ji)主要(yao)由風葉(xie)、百葉(xie)窗(chuang)(chuang)、開(kai)窗(chuang)(chuang)機(ji)(ji)(ji)(ji)(ji)(ji)構、電(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)、皮帶輪、進風罩、內(nei)框架(jia)、機(ji)(ji)(ji)(ji)(ji)(ji)殼、安(an)全網(wang)等部件組(zu)成。開(kai)機(ji)(ji)(ji)(ji)(ji)(ji)時(shi)由電(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)驅動(dong)風葉(xie)旋(xuan)轉,并(bing)(bing)(bing)使開(kai)窗(chuang)(chuang)機(ji)(ji)(ji)(ji)(ji)(ji)構打開(kai)百葉(xie)窗(chuang)(chuang)排(pai)風。停機(ji)(ji)(ji)(ji)(ji)(ji)時(shi)百葉(xie)窗(chuang)(chuang)自動(dong)關閉。風機(ji)(ji)(ji)(ji)(ji)(ji)廣泛(fan)用(yong)于工(gong)(gong)廠、礦井、隧道、冷(leng)(leng)卻(que)塔、車輛(liang)、船舶(bo)和(he)(he)建筑物(wu)的(de)通風、排(pai)塵(chen)和(he)(he)冷(leng)(leng)卻(que);鍋爐(lu)(lu)和(he)(he)工(gong)(gong)業爐(lu)(lu)窯的(de)通風和(he)(he)引(yin)風;空(kong)氣(qi)(qi)(qi)調節設備(bei)和(he)(he)家用(yong)電(dian)(dian)器設備(bei)中(zhong)的(de)冷(leng)(leng)卻(que)和(he)(he)通風;谷物(wu)的(de)烘干(gan)和(he)(he)選送(song);風洞風源和(he)(he)氣(qi)(qi)(qi)墊船的(de)充氣(qi)(qi)(qi)和(he)(he)推進等。