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消防(fang)排煙(yan)(yan)風(feng)(feng)(feng)(feng)(feng)(feng)機廠家產品(pin)由多(duo)個配(pei)件構成(cheng)(cheng),比如說葉(xie)輪、機殼、軸(zhou)承(cheng)、主軸(zhou)等等構成(cheng)(cheng),而不(bu)同(tong)(tong)的(de)配(pei)件也起著(zhu)不(bu)同(tong)(tong)的(de)作(zuo)(zuo)用(yong)。首先對于(yu)葉(xie)輪而言(yan),一(yi)般采用(yong)優(you)質鍍鋅(xin)板制(zhi)作(zuo)(zuo)而成(cheng)(cheng)的(de)葉(xie)片,通(tong)(tong)(tong)(tong)過(guo)傾斜設計,與拉(la)伸成(cheng)(cheng)型(xing)的(de)前盤一(yi)起形成(cheng)(cheng)了更(geng)合理(li)的(de)流道(dao)(dao)(dao)(dao),從而保證了葉(xie)輪的(de)高效(xiao)率。而軸(zhou)承(cheng)是帶鑄造座的(de)外球(qiu)面軸(zhou)承(cheng),可以(yi)通(tong)(tong)(tong)(tong)過(guo)外球(qiu)面配(pei)合調(diao)整同(tong)(tong)軸(zhou)度的(de)誤差。主軸(zhou)一(yi)般采用(yong)45#鋼經調(diao)制(zhi)處理(li)后精(jing)車而成(cheng)(cheng),保證足夠(gou)的(de)光潔(jie)度和(he)尺(chi)寸精(jing)。另(ling)外兩(liang)層板內(nei)部填(tian)充(chong)消聲材料,能更(geng)有(you)效(xiao)隔熱降噪。消防(fang)排煙(yan)(yan)風(feng)(feng)(feng)(feng)(feng)(feng)機不(bu)能距離隧(sui)道(dao)(dao)(dao)(dao)的(de)邊壁(bi)太近,避免影響通(tong)(tong)(tong)(tong)風(feng)(feng)(feng)(feng)(feng)(feng)效(xiao)果。通(tong)(tong)(tong)(tong)風(feng)(feng)(feng)(feng)(feng)(feng)系統從安全隧(sui)道(dao)(dao)(dao)(dao)向通(tong)(tong)(tong)(tong)過(guo)橫通(tong)(tong)(tong)(tong)道(dao)(dao)(dao)(dao)向事故隧(sui)道(dao)(dao)(dao)(dao)方向送(song)風(feng)(feng)(feng)(feng)(feng)(feng),抑制(zhi)煙(yan)(yan)氣進(jin)入(ru)(ru)橫通(tong)(tong)(tong)(tong)道(dao)(dao)(dao)(dao)及未發生事故的(de)隧(sui)道(dao)(dao)(dao)(dao),滿(man)足疏散人員迎著(zhu)新(xin)風(feng)(feng)(feng)(feng)(feng)(feng)進(jin)入(ru)(ru)橫通(tong)(tong)(tong)(tong)道(dao)(dao)(dao)(dao)和(he)安全隧(sui)道(dao)(dao)(dao)(dao)內(nei),同(tong)(tong)時保證等待區域(yu)所需要的(de)新(xin)鮮空氣。充(chong)分利用(yong)定點救(jiu)援站(zhan)處的(de)斜井和(he)隧(sui)道(dao)(dao)(dao)(dao)兩(liang)端的(de)消防(fang)排煙(yan)(yan)風(feng)(feng)(feng)(feng)(feng)(feng)機作(zuo)(zuo)為送(song)入(ru)(ru)新(xin)風(feng)(feng)(feng)(feng)(feng)(feng)和(he)排煙(yan)(yan)的(de)通(tong)(tong)(tong)(tong)道(dao)(dao)(dao)(dao),通(tong)(tong)(tong)(tong)風(feng)(feng)(feng)(feng)(feng)(feng)必須維(wei)持橫通(tong)(tong)(tong)(tong)道(dao)(dao)(dao)(dao)口(kou)處于(yu)正(zheng)壓狀態(tai),防(fang)止煙(yan)(yan)氣流向通(tong)(tong)(tong)(tong)道(dao)(dao)(dao)(dao)內(nei)。
在了解空調壓縮機的工作原理之前,先來認識下空調壓縮機的工作回路。空調壓縮機的工作回路分為蒸發區和冷凝區,空調壓縮機在空調制冷劑回路中起壓縮驅動制冷劑的作用。空調制冷時,中央空調壓縮機把制冷劑從低壓區抽取來經緊縮后送到高壓區冷卻凝結,高品質風機通風管經過散熱片分發出熱量到空氣中,制冷劑也從氣態變成液態,壓力升高。制冷劑再從高壓區流向低壓區,經過毛細管放射到蒸發器中,壓力驟降,液態制冷劑立刻變成氣態,經過散熱片吸收空氣中大量的熱量。這樣循環應用就完成了制冷系統。壓縮機通過節流裝置節流之后,通入到蒸發器中,風機通風管廠家將(jiang)(jiang)所(suo)需要冷卻的(de)(de)媒(mei)介冷卻換(huan)(huan)熱(re)。例(li)如將(jiang)(jiang)蒸發(fa)器(qi)(qi)(qi)連(lian)接到樓里(li)的(de)(de)各個房(fang)間,蒸發(fa)器(qi)(qi)(qi)內(nei)的(de)(de)蛇(she)行管(guan)將(jiang)(jiang)同空氣(qi)進行換(huan)(huan)熱(re),再(zai)通過鼓風(feng)將(jiang)(jiang)冷氣(qi)吹向(xiang)房(fang)間的(de)(de)空氣(qi)當中。而蒸發(fa)器(qi)(qi)(qi)蛇(she)行管(guan)內(nei)的(de)(de)冷凍劑換(huan)(huan)熱(re)后變成低壓蒸氣(qi)回到壓縮(suo)機(ji)(ji),再(zai)被壓縮(suo)機(ji)(ji)壓縮(suo),這樣循(xun)環利用就(jiu)完成了(le)制冷系統。
1、70℃防(fang)火(huo)(huo)(huo)閥(fa)用(yong)在(zai)(zai)空(kong)調送風(feng)、通(tong)風(feng)系統管(guan)(guan)(guan)道(dao)上;平時(shi)常(chang)開(kai),發生(sheng)(sheng)(sheng)火(huo)(huo)(huo)災(zai)時(shi)關(guan)閉(bi)(bi),聯鎖風(feng)機,使風(feng)機關(guan)閉(bi)(bi);2、280℃防(fang)火(huo)(huo)(huo)閥(fa)用(yong)在(zai)(zai)排(pai)煙(yan)(yan)(yan)系統管(guan)(guan)(guan)道(dao)上,平時(shi)常(chang)開(kai),發生(sheng)(sheng)(sheng)火(huo)(huo)(huo)災(zai)時(shi)排(pai)煙(yan)(yan)(yan),當煙(yan)(yan)(yan)氣溫(wen)度達(da)到(dao)280度時(shi),防(fang)火(huo)(huo)(huo)閥(fa)關(guan)閉(bi)(bi),聯鎖風(feng)機關(guan)閉(bi)(bi);3、280℃防(fang)火(huo)(huo)(huo)閥(fa)應為常(chang)開(kai),又叫高溫(wen)防(fang)火(huo)(huo)(huo)閥(fa),一般安裝(zhuang)在(zai)(zai)有(you)高溫(wen)環(huan)境的(de)通(tong)風(feng)管(guan)(guan)(guan)道(dao)中(zhong)(zhong)(zhong),當溫(wen)度到(dao)達(da)280℃后(hou)易熔合金熔化(hua)(hua),閥(fa)門(men)關(guan)閉(bi)(bi),同時(shi)可以(yi)用(yong)24V電(dian)信(xin)(xin)號(hao)控制。如果說是280排(pai)煙(yan)(yan)(yan)防(fang)火(huo)(huo)(huo)閥(fa)應為常(chang)閉(bi)(bi),安裝(zhuang)在(zai)(zai)排(pai)煙(yan)(yan)(yan)管(guan)(guan)(guan)道(dao)中(zhong)(zhong)(zhong)發生(sheng)(sheng)(sheng)火(huo)(huo)(huo)災(zai)時(shi)控制中(zhong)(zhong)(zhong)心給出電(dian)信(xin)(xin)號(hao)使其(qi)打開(kai)排(pai)煙(yan)(yan)(yan),當溫(wen)度到(dao)達(da)280時(shi)易熔合金熔化(hua)(hua)閥(fa)門(men)關(guan)閉(bi)(bi),是一種二次動(dong)作(zuo)的(de)閥(fa)門(men)。
現(xian)階(jie)段(duan)是(shi)很多(duo)雞舍都配備了(le)通(tong)風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan),我是(shi)2013年開(kai)始用(yong)的(de)通(tong)風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan),在使(shi)(shi)用(yong)過(guo)程中(zhong),曾經出(chu)(chu)現(xian)過(guo)很多(duo)問題,現(xian)總結(jie)一下(xia)(xia),歡(huan)迎拍磚交流(liu)。一,通(tong)風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)的(de)作用(yong)。1降低(di)操作負壓。冬季沒安(an)裝通(tong)風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)的(de)雞舍,使(shi)(shi)用(yong)小(xiao)窗(chuang)通(tong)風(feng)(feng)(feng)(feng),尤其(qi)是(shi)跨度大的(de)雞舍為了(le)導(dao)風(feng)(feng)(feng)(feng)合(he)理(li)安(an)全,使(shi)(shi)用(yong)高負壓通(tong)風(feng)(feng)(feng)(feng)。而(er)使(shi)(shi)用(yong)通(tong)風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)道(dao)(dao),由于進(jin)風(feng)(feng)(feng)(feng)在管(guan)(guan)(guan)(guan)道(dao)(dao)內基本(ben)不(bu)擴散,低(di)負壓下(xia)(xia)都是(shi)按照(zhao)風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)方向,依次從開(kai)口處出(chu)(chu)風(feng)(feng)(feng)(feng)。2位(wei)置高,出(chu)(chu)風(feng)(feng)(feng)(feng)均勻。進(jin)風(feng)(feng)(feng)(feng)雖然在管(guan)(guan)(guan)(guan)道(dao)(dao)內沒有預熱,但下(xia)(xia)落位(wei)置高,向下(xia)(xia)擴散時(shi)間就是(shi)預熱過(guo)程。3跟風(feng)(feng)(feng)(feng)機(ji)配合(he)合(he)理(li)配置,在初始開(kai)啟風(feng)(feng)(feng)(feng)機(ji)階(jie)段(duan),由于設計(ji)問題導(dao)致(zhi)進(jin)風(feng)(feng)(feng)(feng)窗(chuang)使(shi)(shi)用(yong)不(bu)安(an)全,可(ke)以利用(yong)通(tong)風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)過(guo)渡。
在(zai)(zai)空(kong)調(diao)送風(feng)(feng)系統中(zhong),空(kong)調(diao)送風(feng)(feng)機送出(chu)的(de)(de)風(feng)(feng)必須(xu)通過(guo)(guo)主干(gan)管(guan)分(fen)配(pei)到(dao)支(zhi)管(guan)中(zhong);在(zai)(zai)排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)系統中(zhong),煙(yan)(yan)(yan)(yan)(yan)氣(qi)由支(zhi)管(guan)到(dao)主干(gan)管(guan)后,進(jin)入排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)風(feng)(feng)機排(pai)(pai)(pai)出(chu)。當建筑物內發(fa)生火(huo)(huo)災(zai)時(shi)(shi),在(zai)(zai)通風(feng)(feng)、空(kong)調(diao)系統中(zhong),為(wei)了(le)防(fang)止(zhi)火(huo)(huo)勢(shi)通過(guo)(guo)送風(feng)(feng)系統蔓(man)延(yan)(yan),當送風(feng)(feng)系統中(zhong)氣(qi)體溫(wen)(wen)度(du)達(da)到(dao)70℃時(shi)(shi),防(fang)火(huo)(huo)閥(fa)(fa)(fa)機構上熔斷器(qi)動(dong)作(zuo),閥(fa)(fa)(fa)門(men)亦迅速關閥(fa)(fa)(fa),切(qie)斷煙(yan)(yan)(yan)(yan)(yan)氣(qi)與火(huo)(huo)勢(shi)沿風(feng)(feng)管(guan)蔓(man)延(yan)(yan)的(de)(de)通路(lu)。同(tong)樣,在(zai)(zai)排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)系統中(zhong),發(fa)生火(huo)(huo)災(zai)時(shi)(shi),排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)閥(fa)(fa)(fa)開啟,進(jin)行排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan),為(wei)了(le)截斷高(gao)溫(wen)(wen)煙(yan)(yan)(yan)(yan)(yan)氣(qi)在(zai)(zai)排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)管(guan)路(lu)中(zhong)流(liu)動(dong),防(fang)止(zhi)火(huo)(huo)勢(shi)蔓(man)延(yan)(yan)到(dao)另一防(fang)火(huo)(huo)分(fen)區,當排(pai)(pai)(pai)出(chu)的(de)(de)煙(yan)(yan)(yan)(yan)(yan)氣(qi)溫(wen)(wen)度(du)達(da)到(dao)280℃時(shi)(shi),排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)防(fang)火(huo)(huo)閥(fa)(fa)(fa)、排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)口上熔斷器(qi)動(dong)作(zuo),閥(fa)(fa)(fa)門(men)必須(xu)自動(dong)關閉,阻止(zhi)排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)。由此可(ke)見,防(fang)火(huo)(huo)閥(fa)(fa)(fa)、排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)閥(fa)(fa)(fa)做到(dao)了(le)該(gai)通則通,該(gai)斷則斷的(de)(de)隔煙(yan)(yan)(yan)(yan)(yan)阻火(huo)(huo)作(zuo)用。
1.冷(leng)(leng)(leng)(熱(re)(re))水(shui)(shui)機(ji)(ji)組的(de)(de)(de)(de)(de)基本工作過程是(shi):室(shi)(shi)(shi)(shi)外(wai)的(de)(de)(de)(de)(de)制(zhi)冷(leng)(leng)(leng)機(ji)(ji)組對冷(leng)(leng)(leng)(熱(re)(re))媒(mei)水(shui)(shui)進(jin)行(xing)(xing)制(zhi)冷(leng)(leng)(leng)降(jiang)溫(或加熱(re)(re)升溫),然(ran)后(hou)由水(shui)(shui)泵將降(jiang)溫后(hou)的(de)(de)(de)(de)(de)冷(leng)(leng)(leng)媒(mei)(熱(re)(re))水(shui)(shui)輸(shu)送(song)到安裝(zhuang)在(zai)室(shi)(shi)(shi)(shi)內(nei)(nei)(nei)的(de)(de)(de)(de)(de)風(feng)(feng)機(ji)(ji)盤(pan)管(guan)(guan)機(ji)(ji)組中(zhong),由風(feng)(feng)機(ji)(ji)盤(pan)管(guan)(guan)機(ji)(ji)組采取就地回(hui)風(feng)(feng)的(de)(de)(de)(de)(de)方式(shi)與室(shi)(shi)(shi)(shi)內(nei)(nei)(nei)空氣(qi)進(jin)行(xing)(xing)熱(re)(re)交換實現對室(shi)(shi)(shi)(shi)內(nei)(nei)(nei)空氣(qi)處理的(de)(de)(de)(de)(de)目的(de)(de)(de)(de)(de)。2.風(feng)(feng)管(guan)(guan)(道(dao))式(shi)機(ji)(ji)組的(de)(de)(de)(de)(de)基本工作過程是(shi):供(gong)冷(leng)(leng)(leng)時(shi),室(shi)(shi)(shi)(shi)外(wai)的(de)(de)(de)(de)(de)制(zhi)冷(leng)(leng)(leng)機(ji)(ji)組吸(xi)(xi)收(shou)來自(zi)(zi)室(shi)(shi)(shi)(shi)內(nei)(nei)(nei)機(ji)(ji)組的(de)(de)(de)(de)(de)制(zhi)冷(leng)(leng)(leng)劑(ji)蒸氣(qi)經壓縮(suo)、冷(leng)(leng)(leng)凝后(hou)向各室(shi)(shi)(shi)(shi)內(nei)(nei)(nei)機(ji)(ji)組輸(shu)送(song)液體制(zhi)冷(leng)(leng)(leng)劑(ji)。供(gong)熱(re)(re)時(shi),室(shi)(shi)(shi)(shi)外(wai)的(de)(de)(de)(de)(de)制(zhi)冷(leng)(leng)(leng)機(ji)(ji)組吸(xi)(xi)收(shou)來自(zi)(zi)冷(leng)(leng)(leng)凝器(qi)的(de)(de)(de)(de)(de)制(zhi)冷(leng)(leng)(leng)劑(ji)蒸氣(qi)經壓縮(suo)后(hou)向各室(shi)(shi)(shi)(shi)內(nei)(nei)(nei)機(ji)(ji)組輸(shu)送(song)汽體制(zhi)冷(leng)(leng)(leng)劑(ji),室(shi)(shi)(shi)(shi)內(nei)(nei)(nei)機(ji)(ji)組通(tong)過布置在(zai)天花板上(shang)的(de)(de)(de)(de)(de)回(hui)風(feng)(feng)口(kou)將空氣(qi)吸(xi)(xi)入(ru),進(jin)行(xing)(xing)熱(re)(re)交換后(hou)送(song)入(ru)安裝(zhuang)在(zai)室(shi)(shi)(shi)(shi)內(nei)(nei)(nei)各房間天花板中(zhong)的(de)(de)(de)(de)(de)風(feng)(feng)管(guan)(guan)(道(dao))內(nei)(nei)(nei),并(bing)通(tong)過出風(feng)(feng)口(kou)上(shang)的(de)(de)(de)(de)(de)散流器(qi)向室(shi)(shi)(shi)(shi)內(nei)(nei)(nei)各房間輸(shu)送(song)空氣(qi)。在(zai)風(feng)(feng)管(guan)(guan)(道(dao))上(shang)設(she)計(ji)有新風(feng)(feng)門和排風(feng)(feng)門,可以按一定比(bi)例(li)置換空氣(qi),以保證室(shi)(shi)(shi)(shi)內(nei)(nei)(nei)空氣(qi)的(de)(de)(de)(de)(de)質量。