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通風(feng)管(guan)(guan)道安裝(zhuang)程序:(1)風(feng)管(guan)(guan)組裝(zhuang):當(dang)風(feng)管(guan)(guan)較(jiao)(jiao)短時,可(ke)(ke)(ke)(ke)一次在(zai)地(di)面組裝(zhuang)而成,當(dang)風(feng)管(guan)(guan)較(jiao)(jiao)長時,可(ke)(ke)(ke)(ke)視安裝(zhuang)場地(di)的(de)情況,在(zai)地(di)面分段(duan)組裝(zhuang)。組裝(zhuang)時應(ying)(ying)(ying)(ying)盡量調(diao)(diao)整風(feng)道的(de)中心度(du)和(he)(he)水平(ping)度(du),避(bi)免風(feng)管(guan)(guan)扭曲或上下起(qi)波,左右擺龍,每段(duan)風(feng)道不宜超過10m.組裝(zhuang)時,墊(dian)片應(ying)(ying)(ying)(ying)墊(dian)平(ping),法(fa)(fa)(fa)蘭(lan)螺栓應(ying)(ying)(ying)(ying)均(jun)勻擰緊,螺母帽均(jun)朝向同一方向。(2)風(feng)管(guan)(guan)就位(wei)(wei):風(feng)管(guan)(guan)就位(wei)(wei)前(qian)應(ying)(ying)(ying)(ying)檢查(cha)全部支(zhi)架(jia)(jia)的(de)水乎度(du)和(he)(he)標高(gao)、檢查(cha)支(zhi)架(jia)(jia)的(de)牢固程度(du),風(feng)管(guan)(guan)就位(wei)(wei)可(ke)(ke)(ke)(ke)采(cai)用(yong)直(zhi)接和(he)(he)吊(diao)具兩種方法(fa)(fa)(fa)。對風(feng)管(guan)(guan)斷面較(jiao)(jiao)小,又位(wei)(wei)置較(jiao)(jiao)低的(de)可(ke)(ke)(ke)(ke)采(cai)用(yong)人工就位(wei)(wei)方法(fa)(fa)(fa),只需搭設(she)簡易(yi)腳(jiao)手架(jia)(jia)即可(ke)(ke)(ke)(ke)。當(dang)風(feng)管(guan)(guan)斷面較(jiao)(jiao)大(da)且(qie)管(guan)(guan)段(duan)較(jiao)(jiao)長時,可(ke)(ke)(ke)(ke)采(cai)用(yong)滑輪、倒鏈、大(da)繩等(deng)方法(fa)(fa)(fa)吊(diao)裝(zhuang)。世紀星介紹為(wei)了(le)便于(yu)風(feng)道就位(wei)(wei),一般多采(cai)用(yong)將風(feng)道吊(diao)在(zai)腳(jiao)手架(jia)(jia)上,然后再(zai)將其抬放在(zai)風(feng)道支(zhi)架(jia)(jia)上的(de)方法(fa)(fa)(fa)。腳(jiao)手架(jia)(jia)應(ying)(ying)(ying)(ying)沿(yan)其風(feng)道長度(du)方向搭設(she),高(gao)度(du)和(he)(he)位(wei)(wei)置應(ying)(ying)(ying)(ying)適合施(shi)工操作,吊(diao)裝(zhuang)順序應(ying)(ying)(ying)(ying)先干管(guan)(guan)后支(zhi)、立管(guan)(guan),吊(diao)起(qi)時,吊(diao)點應(ying)(ying)(ying)(ying)牢固,兩吊(diao)點應(ying)(ying)(ying)(ying)均(jun)勻受力。垂直(zhi)風(feng)管(guan)(guan)可(ke)(ke)(ke)(ke)采(cai)用(yong)人工和(he)(he)大(da)繩輔助就位(wei)(wei)。調(diao)(diao)整風(feng)管(guan)(guan)保(bao)證垂直(zhi)度(du)要求(qiu)。(3)風(feng)道調(diao)(diao)直(zhi):就位(wei)(wei)在(zai)支(zhi)架(jia)(jia)上的(de)風(feng)道,應(ying)(ying)(ying)(ying)撥正(zheng)位(wei)(wei)置,調(diao)(diao)整風(feng)道橫平(ping)豎直(zhi),然后再(zai)按圖集要求(qiu)固定。
常用的消防排煙風機的結構型式有內冷卻電風葉輪的型式、吸入冷卻電機氣流的型式、前導加動葉型式的低速吸入冷卻風的消防排煙風機等,它們的特點和效果有所不同。 3.1內冷卻電風葉輪的型式,這種排煙風機主流道的煙氣溫度高可達到280℃,煙氣裝在電機上的葉輪輸送,再電機原來裝設冷卻葉輪的地方,鍍鋅通風管價格重新設計了用于冷卻電機的風扇,與機匣上開的進風口和出風口相連,推薦鍍鋅通風管并通(tong)過電(dian)(dian)機(ji)(ji)(ji)(ji)與風機(ji)(ji)(ji)(ji)輪組成的(de)(de)(de)簡通(tong)道冷(leng)卻電(dian)(dian)機(ji)(ji)(ji)(ji)。此(ci)型(xing)式(shi)的(de)(de)(de)電(dian)(dian)機(ji)(ji)(ji)(ji)冷(leng)卻通(tong)道可以(yi)保(bao)證在(zai)主流通(tong)道的(de)(de)(de)溫度(du)達(da)到300℃時(shi),機(ji)(ji)(ji)(ji)殼的(de)(de)(de)溫度(du)可以(yi)保(bao)持在(zai)130℃左(zuo)右,在(zai)此(ci)環境溫度(du)下,采用一般的(de)(de)(de)絕緣等級的(de)(de)(de)電(dian)(dian)機(ji)(ji)(ji)(ji)就可以(yi)達(da)到效果,沒有必要采用高溫的(de)(de)(de)絕緣電(dian)(dian)機(ji)(ji)(ji)(ji),從而可以(yi)大大的(de)(de)(de)降低(di)風機(ji)(ji)(ji)(ji)的(de)(de)(de)制(zhi)作(zuo)成本。這種型(xing)式(shi)的(de)(de)(de)軸流消防電(dian)(dian)機(ji)(ji)(ji)(ji)的(de)(de)(de)設(she)計,國家(jia)鑒定已(yi)(yi)經下批,已(yi)(yi)經投入到生產當中,并且(qie)獲得了良(liang)好的(de)(de)(de)經濟收益(yi),目(mu)前是在(zai)進一步的(de)(de)(de)研發和改造當中,從而能更好的(de)(de)(de)提(ti)高工作(zuo)效率(lv),降低(di)制(zhi)造成本。
在了(le)解空調(diao)(diao)壓(ya)(ya)(ya)(ya)(ya)(ya)縮(suo)(suo)機(ji)的(de)(de)工(gong)作(zuo)原理之前(qian),先(xian)來認識下空調(diao)(diao)壓(ya)(ya)(ya)(ya)(ya)(ya)縮(suo)(suo)機(ji)的(de)(de)工(gong)作(zuo)回路(lu)。空調(diao)(diao)壓(ya)(ya)(ya)(ya)(ya)(ya)縮(suo)(suo)機(ji)的(de)(de)工(gong)作(zuo)回路(lu)分為蒸(zheng)發(fa)(fa)(fa)區和冷(leng)凝區,空調(diao)(diao)壓(ya)(ya)(ya)(ya)(ya)(ya)縮(suo)(suo)機(ji)在空調(diao)(diao)制(zhi)冷(leng)劑回路(lu)中(zhong)(zhong)起壓(ya)(ya)(ya)(ya)(ya)(ya)縮(suo)(suo)驅動(dong)制(zhi)冷(leng)劑的(de)(de)作(zuo)用(yong)。空調(diao)(diao)制(zhi)冷(leng)時,中(zhong)(zhong)央空調(diao)(diao)壓(ya)(ya)(ya)(ya)(ya)(ya)縮(suo)(suo)機(ji)把(ba)制(zhi)冷(leng)劑從(cong)(cong)低(di)(di)壓(ya)(ya)(ya)(ya)(ya)(ya)區抽取來經(jing)緊縮(suo)(suo)后送到(dao)(dao)高(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)區冷(leng)卻(que)凝結,經(jing)過(guo)散熱片(pian)分發(fa)(fa)(fa)出熱量到(dao)(dao)空氣(qi)中(zhong)(zhong),制(zhi)冷(leng)劑也從(cong)(cong)氣(qi)態變(bian)成(cheng)液(ye)態,壓(ya)(ya)(ya)(ya)(ya)(ya)力升高(gao)。制(zhi)冷(leng)劑再(zai)從(cong)(cong)高(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)區流(liu)向低(di)(di)壓(ya)(ya)(ya)(ya)(ya)(ya)區,經(jing)過(guo)毛(mao)細管放(fang)射到(dao)(dao)蒸(zheng)發(fa)(fa)(fa)器(qi)(qi)中(zhong)(zhong),壓(ya)(ya)(ya)(ya)(ya)(ya)力驟(zou)降,液(ye)態制(zhi)冷(leng)劑立刻變(bian)成(cheng)氣(qi)態,經(jing)過(guo)散熱片(pian)吸收(shou)空氣(qi)中(zhong)(zhong)大量的(de)(de)熱量。這樣循環(huan)(huan)應用(yong)就(jiu)完成(cheng)了(le)制(zhi)冷(leng)系(xi)統(tong)(tong)。壓(ya)(ya)(ya)(ya)(ya)(ya)縮(suo)(suo)機(ji)通(tong)過(guo)節(jie)流(liu)裝置節(jie)流(liu)之后,通(tong)入到(dao)(dao)蒸(zheng)發(fa)(fa)(fa)器(qi)(qi)中(zhong)(zhong),將所需要冷(leng)卻(que)的(de)(de)媒介冷(leng)卻(que)換熱。例如將蒸(zheng)發(fa)(fa)(fa)器(qi)(qi)連(lian)接到(dao)(dao)樓里的(de)(de)各個房(fang)間(jian),蒸(zheng)發(fa)(fa)(fa)器(qi)(qi)內的(de)(de)蛇(she)行(xing)管將同空氣(qi)進行(xing)換熱,再(zai)通(tong)過(guo)鼓(gu)風將冷(leng)氣(qi)吹(chui)向房(fang)間(jian)的(de)(de)空氣(qi)當中(zhong)(zhong)。而蒸(zheng)發(fa)(fa)(fa)器(qi)(qi)蛇(she)行(xing)管內的(de)(de)冷(leng)凍劑換熱后變(bian)成(cheng)低(di)(di)壓(ya)(ya)(ya)(ya)(ya)(ya)蒸(zheng)氣(qi)回到(dao)(dao)壓(ya)(ya)(ya)(ya)(ya)(ya)縮(suo)(suo)機(ji),再(zai)被壓(ya)(ya)(ya)(ya)(ya)(ya)縮(suo)(suo)機(ji)壓(ya)(ya)(ya)(ya)(ya)(ya)縮(suo)(suo),這樣循環(huan)(huan)利用(yong)就(jiu)完成(cheng)了(le)制(zhi)冷(leng)系(xi)統(tong)(tong)。
1,通風風管(guan)安(an)(an)裝在支架(jia)上,應(ying)(ying)設托(tuo)座(zuo)。2,通風風管(guan)如有(you)(you)穿出屋面(mian)外(wai)部分,應(ying)(ying)設置防(fang)雨罩。3,通風風管(guan)采用無法蘭連時,接口處應(ying)(ying)嚴密牢固(gu)。通風風管(guan)連接兩平面(mian)應(ying)(ying)平直,不得錯位及扭(niu)曲。4,輸(shu)送易(yi)產生冷凝水(shui)的通風風管(guan),安(an)(an)裝應(ying)(ying)設計坡(po)度。通風風管(guan)底部不能有(you)(you)縱向的接縫(feng), 如必須有(you)(you)接縫(feng),則應(ying)(ying)采用密封方(fang)式。通風管(guan)道(dao)安(an)(an)裝完(wan)畢后,應(ying)(ying)進行嚴密性(xing)試驗(yan),如發現異常情況,通風管(guan)道(dao)的制作(zuo)、安(an)(an)裝、檢(jian)驗(yan)和試驗(yan),是一個(ge)連貫的工(gong)程(cheng),做到安(an)(an)全適用,經濟合(he)理,方(fang)便施工(gong),確保通風管(guan)道(dao)的工(gong)程(cheng)質量。