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1、在(zai)(zai)(zai)(zai)安(an)(an)(an)(an)(an)裝中(zhong)(zhong)央(yang)空調前(qian),要(yao)(yao)(yao)(yao)(yao)(yao)(yao)先(xian)進(jin)(jin)行吊頂(ding)(ding)的(de)(de)(de)安(an)(an)(an)(an)(an)裝,為(wei)了(le)在(zai)(zai)(zai)(zai)以后(hou)(hou)的(de)(de)(de)使用中(zhong)(zhong)不(bu)會出(chu)現意(yi)外(wai),我們(men)在(zai)(zai)(zai)(zai)安(an)(an)(an)(an)(an)裝吊頂(ding)(ding)內(nei)(nei)部的(de)(de)(de)機體時需要(yao)(yao)(yao)(yao)(yao)(yao)(yao)注(zhu)(zhu)意(yi)兩點,一點就是中(zhong)(zhong)央(yang)空調的(de)(de)(de)內(nei)(nei)機不(bu)要(yao)(yao)(yao)(yao)(yao)(yao)(yao)距(ju)離房頂(ding)(ding)太近,二點那就是要(yao)(yao)(yao)(yao)(yao)(yao)(yao)讓(rang)(rang)內(nei)(nei)機在(zai)(zai)(zai)(zai)安(an)(an)(an)(an)(an)裝好(hao)后(hou)(hou)有(you)一定(ding)的(de)(de)(de)坡度(du),不(bu)要(yao)(yao)(yao)(yao)(yao)(yao)(yao)讓(rang)(rang)內(nei)(nei)機保持水平的(de)(de)(de)。2、在(zai)(zai)(zai)(zai)中(zhong)(zhong)央(yang)空調的(de)(de)(de)內(nei)(nei)機安(an)(an)(an)(an)(an)裝好(hao)之后(hou)(hou),就要(yao)(yao)(yao)(yao)(yao)(yao)(yao)進(jin)(jin)行冷媒管(guan)(guan)(guan)(guan)的(de)(de)(de)安(an)(an)(an)(an)(an)裝了(le),冷媒管(guan)(guan)(guan)(guan)在(zai)(zai)(zai)(zai)中(zhong)(zhong)央(yang)空調中(zhong)(zhong)是非常重要(yao)(yao)(yao)(yao)(yao)(yao)(yao)的(de)(de)(de),在(zai)(zai)(zai)(zai)安(an)(an)(an)(an)(an)裝的(de)(de)(de)時候(hou)一定(ding)要(yao)(yao)(yao)(yao)(yao)(yao)(yao)注(zhu)(zhu)意(yi)。在(zai)(zai)(zai)(zai)安(an)(an)(an)(an)(an)裝冷媒管(guan)(guan)(guan)(guan)時,不(bu)要(yao)(yao)(yao)(yao)(yao)(yao)(yao)將兩根銅管(guan)(guan)(guan)(guan)直接(jie)進(jin)(jin)行焊接(jie),中(zhong)(zhong)間要(yao)(yao)(yao)(yao)(yao)(yao)(yao)有(you)歧管(guan)(guan)(guan)(guan)來進(jin)(jin)行隔開(kai),在(zai)(zai)(zai)(zai)焊接(jie)的(de)(de)(de)時候(hou)要(yao)(yao)(yao)(yao)(yao)(yao)(yao)在(zai)(zai)(zai)(zai)東(dong)莞(guan)內(nei)(nei)釋放一下氮氣,這(zhe)樣可以保證(zheng)銅管(guan)(guan)(guan)(guan)內(nei)(nei)的(de)(de)(de)壓力不(bu)被破壞(huai),在(zai)(zai)(zai)(zai)所(suo)以管(guan)(guan)(guan)(guan)道(dao)都(dou)焊接(jie)完畢后(hou)(hou),需要(yao)(yao)(yao)(yao)(yao)(yao)(yao)使用氮氣來對(dui)管(guan)(guan)(guan)(guan)的(de)(de)(de)內(nei)(nei)部進(jin)(jin)行清理。3、冷媒管(guan)(guan)(guan)(guan)安(an)(an)(an)(an)(an)裝好(hao)之后(hou)(hou),就要(yao)(yao)(yao)(yao)(yao)(yao)(yao)開(kai)始(shi)對(dui)冷凝管(guan)(guan)(guan)(guan)進(jin)(jin)行安(an)(an)(an)(an)(an)裝了(le),冷暖管(guan)(guan)(guan)(guan)是用來排水的(de)(de)(de),是要(yao)(yao)(yao)(yao)(yao)(yao)(yao)在(zai)(zai)(zai)(zai)內(nei)(nei)機出(chu)接(jie)到(dao)室(shi)外(wai)的(de)(de)(de),在(zai)(zai)(zai)(zai)安(an)(an)(an)(an)(an)裝的(de)(de)(de)時候(hou)要(yao)(yao)(yao)(yao)(yao)(yao)(yao)留(liu)有(you)一定(ding)的(de)(de)(de)坡度(du),在(zai)(zai)(zai)(zai)接(jie)出(chu)室(shi)外(wai)后(hou)(hou)要(yao)(yao)(yao)(yao)(yao)(yao)(yao)落到(dao)地面。
消防(fang)排(pai)(pai)煙(yan)(yan)(yan)(yan)風(feng)(feng)機(ji)(ji)風(feng)(feng)量(liang)(liang)與送(song)風(feng)(feng)機(ji)(ji)風(feng)(feng)量(liang)(liang)計(ji)(ji)算(suan)(suan)(suan)方法是根據建筑(zhu)面(mian)積(ji)(ji)(ji)來確(que)定的(de),每(mei)個(ge)(ge)防(fang)煙(yan)(yan)(yan)(yan)分(fen)(fen)(fen)區都(dou)需要(yao)獨立(li)計(ji)(ji)算(suan)(suan)(suan)其(qi)排(pai)(pai)煙(yan)(yan)(yan)(yan)量(liang)(liang),當排(pai)(pai)煙(yan)(yan)(yan)(yan)風(feng)(feng)機(ji)(ji)擔負一(yi)個(ge)(ge)防(fang)煙(yan)(yan)(yan)(yan)分(fen)(fen)(fen)區的(de)時候可(ke)按(an)(an)(an)平方米(mi)面(mian)積(ji)(ji)(ji)不小(xiao)(xiao)于60m3/h計(ji)(ji)算(suan)(suan)(suan),擔負多個(ge)(ge)防(fang)煙(yan)(yan)(yan)(yan)分(fen)(fen)(fen)區則(ze)按(an)(an)(an)平方米(mi)面(mian)積(ji)(ji)(ji)不小(xiao)(xiao)于120m3/h計(ji)(ji)算(suan)(suan)(suan)。送(song)風(feng)(feng)量(liang)(liang)按(an)(an)(an)排(pai)(pai)煙(yan)(yan)(yan)(yan)量(liang)(liang)的(de)50%計(ji)(ji)算(suan)(suan)(suan)。每(mei)個(ge)(ge)防(fang)煙(yan)(yan)(yan)(yan)分(fen)(fen)(fen)區不應大于500平方。常見(jian)的(de)消防(fang)防(fang)排(pai)(pai)煙(yan)(yan)(yan)(yan)系統(tong)中(zhong)(zhong),排(pai)(pai)煙(yan)(yan)(yan)(yan)量(liang)(liang)一(yi)般根據大防(fang)煙(yan)(yan)(yan)(yan)分(fen)(fen)(fen)區面(mian)積(ji)(ji)(ji)500*120等于60000立(li)方每(mei)小(xiao)(xiao)時計(ji)(ji)算(suan)(suan)(suan),在設(she)計(ji)(ji)排(pai)(pai)煙(yan)(yan)(yan)(yan)量(liang)(liang)的(de)時候要(yao)注意漏(lou)風(feng)(feng)量(liang)(liang),一(yi)般可(ke)按(an)(an)(an)小(xiao)(xiao)漏(lou)風(feng)(feng)量(liang)(liang)10%計(ji)(ji)算(suan)(suan)(suan)。例如(ru):當建筑(zhu)面(mian)積(ji)(ji)(ji)為(wei)1000平方時,需要(yao)設(she)置兩個(ge)(ge)防(fang)煙(yan)(yan)(yan)(yan)分(fen)(fen)(fen)區,每(mei)個(ge)(ge)防(fang)煙(yan)(yan)(yan)(yan)分(fen)(fen)(fen)區的(de)大面(mian)積(ji)(ji)(ji)為(wei)500平方,排(pai)(pai)煙(yan)(yan)(yan)(yan)量(liang)(liang)是500*1203/h=600003/h,再加上小(xiao)(xiao)漏(lou)風(feng)(feng)量(liang)(liang)10%為(wei)60003/h,總排(pai)(pai)煙(yan)(yan)(yan)(yan)量(liang)(liang)應為(wei)660003/h,其(qi)中(zhong)(zhong)送(song)風(feng)(feng)量(liang)(liang)為(wei)排(pai)(pai)煙(yan)(yan)(yan)(yan)量(liang)(liang)的(de)50%應為(wei)330003/h。
防(fang)(fang)火(huo)(huo)閥(fa)是用(yong)來(lai)阻(zu)斷(duan)來(lai)自火(huo)(huo)災(zai)區的(de)(de)煙氣及火(huo)(huo)焰通過,并在一定時間內能滿足耐(nai)火(huo)(huo)穩定性(xing)和耐(nai)火(huo)(huo)完整性(xing)要求的(de)(de)閥(fa)門。為了將火(huo)(huo)災(zai)引起(qi)的(de)(de)損失減少到小程度(du),就必(bi)須采取有效的(de)(de)防(fang)(fang)火(huo)(huo)、防(fang)(fang)排煙措施,以控(kong)制火(huo)(huo)勢蔓延,而(er)防(fang)(fang)火(huo)(huo)閥(fa)在通風、空調及防(fang)(fang)排煙系統中的(de)(de)合(he)理設置,則起(qi)到了重要的(de)(de)作用(yong)。防(fang)(fang)火(huo)(huo)閥(fa)的(de)(de)結構(gou)(gou)和工作原(yuan)理,防(fang)(fang)火(huo)(huo)閥(fa)主(zhu)要由(you)閥(fa)體和執(zhi)行機構(gou)(gou)組(zu)成(cheng)。閥(fa)體由(you)殼體、法蘭、葉片及葉片聯動(dong)機構(gou)(gou)等組(zu)成(cheng)。執(zhi)行機構(gou)(gou)由(you)外殼、葉片調節機構(gou)(gou)、離(li)合(he)器(qi)(qi)、溫度(du)熔斷(duan)器(qi)(qi)等組(zu)成(cheng)。防(fang)(fang)火(huo)(huo)閥(fa)的(de)(de)執(zhi)行機構(gou)(gou)是通過金屬易熔片和離(li)合(he)器(qi)(qi)機構(gou)(gou)來(lai)控(kong)制葉片的(de)(de)轉動(dong)。
在(zai)空調(diao)送(song)(song)風(feng)(feng)系(xi)統(tong)(tong)(tong)中(zhong)(zhong)(zhong),空調(diao)送(song)(song)風(feng)(feng)機(ji)送(song)(song)出(chu)的風(feng)(feng)必須通(tong)(tong)過(guo)主干(gan)管(guan)分配到支(zhi)管(guan)中(zhong)(zhong)(zhong);在(zai)排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)系(xi)統(tong)(tong)(tong)中(zhong)(zhong)(zhong),煙(yan)(yan)(yan)氣(qi)由支(zhi)管(guan)到主干(gan)管(guan)后,進入排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)風(feng)(feng)機(ji)排(pai)(pai)(pai)(pai)出(chu)。當(dang)建筑(zhu)物內發生火(huo)(huo)災時(shi),在(zai)通(tong)(tong)風(feng)(feng)、空調(diao)系(xi)統(tong)(tong)(tong)中(zhong)(zhong)(zhong),為了(le)防(fang)止火(huo)(huo)勢(shi)通(tong)(tong)過(guo)送(song)(song)風(feng)(feng)系(xi)統(tong)(tong)(tong)蔓延,當(dang)送(song)(song)風(feng)(feng)系(xi)統(tong)(tong)(tong)中(zhong)(zhong)(zhong)氣(qi)體溫度(du)達(da)(da)到70℃時(shi),防(fang)火(huo)(huo)閥(fa)機(ji)構(gou)上熔斷(duan)(duan)器動(dong)作,閥(fa)門(men)亦(yi)迅(xun)速關閥(fa),切斷(duan)(duan)煙(yan)(yan)(yan)氣(qi)與火(huo)(huo)勢(shi)沿(yan)風(feng)(feng)管(guan)蔓延的通(tong)(tong)路。同樣,在(zai)排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)系(xi)統(tong)(tong)(tong)中(zhong)(zhong)(zhong),發生火(huo)(huo)災時(shi),排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)閥(fa)開(kai)啟,進行排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan),為了(le)截斷(duan)(duan)高溫煙(yan)(yan)(yan)氣(qi)在(zai)排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)管(guan)路中(zhong)(zhong)(zhong)流(liu)動(dong),防(fang)止火(huo)(huo)勢(shi)蔓延到另(ling)一(yi)防(fang)火(huo)(huo)分區,當(dang)排(pai)(pai)(pai)(pai)出(chu)的煙(yan)(yan)(yan)氣(qi)溫度(du)達(da)(da)到280℃時(shi),排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)防(fang)火(huo)(huo)閥(fa)、排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)口上熔斷(duan)(duan)器動(dong)作,閥(fa)門(men)必須自動(dong)關閉,阻止排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)。由此可見,防(fang)火(huo)(huo)閥(fa)、排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)閥(fa)做到了(le)該通(tong)(tong)則通(tong)(tong),該斷(duan)(duan)則斷(duan)(duan)的隔(ge)煙(yan)(yan)(yan)阻火(huo)(huo)作用(yong)。
(1)防火閥使用及安裝(a) 安裝前必須檢查防火閥外觀質量、控制性能和閥門動作,確認正常后配鉆法蘭連接孔。(b) 安裝時防火閥的方向位置應正確,熔斷器(易熔片)應先于葉片軸接觸熱氣流(即位于葉片的迎風側)。自重式防火閥要注意葉片的上下方向氣流方向標志,不得倒置。(c) 防火閥應牢靠地固定在設定的位置上,確保當發生火災時不致因管道變形下塌而影響工作性能,通風設備批發必要時應設吊架。(d) 具有風量調節功能的防火閥,應在調試過程中調定閥門開度。(e) 當設計防火閥為吊頂安裝或靠近墻體安裝時,要保證防火閥周圍貿有足夠空間。(f) 安裝防火閥后的施工過程中,要注意值得信賴的通風設備不得使閥體、操作(zuo)(zuo)(zuo)裝(zhuang)置等受(shou)到損(sun)傷、變形(xing),以(yi)免影(ying)響其工(gong)作(zuo)(zuo)(zuo)性能(g) 安(an)裝(zhuang)后應對(dui)防火閥清掃(sao)檢查,閥體內不得有雜物,并進行操作(zuo)(zuo)(zuo)試(shi)驗(yan),確保(bao)閥體正(zheng)常(chang)工(gong)作(zuo)(zuo)(zuo)。
在了解空(kong)(kong)(kong)調(diao)(diao)(diao)(diao)壓(ya)(ya)縮機(ji)的(de)工作(zuo)(zuo)原(yuan)理之(zhi)前,先(xian)來認(ren)識(shi)下空(kong)(kong)(kong)調(diao)(diao)(diao)(diao)壓(ya)(ya)縮機(ji)的(de)工作(zuo)(zuo)回(hui)路。空(kong)(kong)(kong)調(diao)(diao)(diao)(diao)壓(ya)(ya)縮機(ji)的(de)工作(zuo)(zuo)回(hui)路分為蒸(zheng)(zheng)(zheng)發(fa)區(qu)(qu)(qu)和冷(leng)(leng)(leng)(leng)(leng)凝(ning)區(qu)(qu)(qu),空(kong)(kong)(kong)調(diao)(diao)(diao)(diao)壓(ya)(ya)縮機(ji)在空(kong)(kong)(kong)調(diao)(diao)(diao)(diao)制(zhi)冷(leng)(leng)(leng)(leng)(leng)劑(ji)(ji)回(hui)路中(zhong)起壓(ya)(ya)縮驅動制(zhi)冷(leng)(leng)(leng)(leng)(leng)劑(ji)(ji)的(de)作(zuo)(zuo)用(yong)。空(kong)(kong)(kong)調(diao)(diao)(diao)(diao)制(zhi)冷(leng)(leng)(leng)(leng)(leng)時(shi),中(zhong)央空(kong)(kong)(kong)調(diao)(diao)(diao)(diao)壓(ya)(ya)縮機(ji)把制(zhi)冷(leng)(leng)(leng)(leng)(leng)劑(ji)(ji)從(cong)低壓(ya)(ya)區(qu)(qu)(qu)抽取來經(jing)(jing)緊縮后(hou)送到(dao)高(gao)(gao)壓(ya)(ya)區(qu)(qu)(qu)冷(leng)(leng)(leng)(leng)(leng)卻凝(ning)結,經(jing)(jing)過散熱(re)片分發(fa)出熱(re)量到(dao)空(kong)(kong)(kong)氣(qi)中(zhong),制(zhi)冷(leng)(leng)(leng)(leng)(leng)劑(ji)(ji)也從(cong)氣(qi)態(tai)(tai)(tai)變成(cheng)液(ye)(ye)態(tai)(tai)(tai),壓(ya)(ya)力(li)升高(gao)(gao)。制(zhi)冷(leng)(leng)(leng)(leng)(leng)劑(ji)(ji)再(zai)從(cong)高(gao)(gao)壓(ya)(ya)區(qu)(qu)(qu)流向低壓(ya)(ya)區(qu)(qu)(qu),經(jing)(jing)過毛細管(guan)放射到(dao)蒸(zheng)(zheng)(zheng)發(fa)器中(zhong),壓(ya)(ya)力(li)驟降,液(ye)(ye)態(tai)(tai)(tai)制(zhi)冷(leng)(leng)(leng)(leng)(leng)劑(ji)(ji)立刻變成(cheng)氣(qi)態(tai)(tai)(tai),經(jing)(jing)過散熱(re)片吸收空(kong)(kong)(kong)氣(qi)中(zhong)大(da)量的(de)熱(re)量。這樣(yang)循環應用(yong)就完(wan)成(cheng)了制(zhi)冷(leng)(leng)(leng)(leng)(leng)系統。壓(ya)(ya)縮機(ji)通過節(jie)流裝置節(jie)流之(zhi)后(hou),通入到(dao)蒸(zheng)(zheng)(zheng)發(fa)器中(zhong),將(jiang)所需要冷(leng)(leng)(leng)(leng)(leng)卻的(de)媒介冷(leng)(leng)(leng)(leng)(leng)卻換熱(re)。例如將(jiang)蒸(zheng)(zheng)(zheng)發(fa)器連接到(dao)樓里的(de)各個房(fang)(fang)間,蒸(zheng)(zheng)(zheng)發(fa)器內(nei)的(de)蛇行(xing)管(guan)將(jiang)同(tong)空(kong)(kong)(kong)氣(qi)進(jin)行(xing)換熱(re),再(zai)通過鼓風(feng)將(jiang)冷(leng)(leng)(leng)(leng)(leng)氣(qi)吹向房(fang)(fang)間的(de)空(kong)(kong)(kong)氣(qi)當中(zhong)。而蒸(zheng)(zheng)(zheng)發(fa)器蛇行(xing)管(guan)內(nei)的(de)冷(leng)(leng)(leng)(leng)(leng)凍劑(ji)(ji)換熱(re)后(hou)變成(cheng)低壓(ya)(ya)蒸(zheng)(zheng)(zheng)氣(qi)回(hui)到(dao)壓(ya)(ya)縮機(ji),再(zai)被(bei)壓(ya)(ya)縮機(ji)壓(ya)(ya)縮,這樣(yang)循環利用(yong)就完(wan)成(cheng)了制(zhi)冷(leng)(leng)(leng)(leng)(leng)系統。