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1、在(zai)(zai)(zai)安(an)(an)裝(zhuang)中(zhong)(zhong)央(yang)空(kong)調前,要(yao)(yao)(yao)(yao)(yao)(yao)(yao)(yao)先進行(xing)(xing)吊(diao)頂(ding)的(de)(de)(de)安(an)(an)裝(zhuang),為了在(zai)(zai)(zai)以(yi)(yi)后的(de)(de)(de)使(shi)用(yong)中(zhong)(zhong)不(bu)會出(chu)現意(yi)(yi)外(wai),我們在(zai)(zai)(zai)安(an)(an)裝(zhuang)吊(diao)頂(ding)內(nei)部的(de)(de)(de)機(ji)(ji)體(ti)時(shi)(shi)需要(yao)(yao)(yao)(yao)(yao)(yao)(yao)(yao)注意(yi)(yi)兩(liang)點(dian),一(yi)(yi)點(dian)就是(shi)中(zhong)(zhong)央(yang)空(kong)調的(de)(de)(de)內(nei)機(ji)(ji)不(bu)要(yao)(yao)(yao)(yao)(yao)(yao)(yao)(yao)距離(li)房頂(ding)太近,二點(dian)那(nei)就是(shi)要(yao)(yao)(yao)(yao)(yao)(yao)(yao)(yao)讓內(nei)機(ji)(ji)在(zai)(zai)(zai)安(an)(an)裝(zhuang)好(hao)后有(you)一(yi)(yi)定(ding)的(de)(de)(de)坡度,不(bu)要(yao)(yao)(yao)(yao)(yao)(yao)(yao)(yao)讓內(nei)機(ji)(ji)保持水(shui)平的(de)(de)(de)。2、在(zai)(zai)(zai)中(zhong)(zhong)央(yang)空(kong)調的(de)(de)(de)內(nei)機(ji)(ji)安(an)(an)裝(zhuang)好(hao)之后,就要(yao)(yao)(yao)(yao)(yao)(yao)(yao)(yao)進行(xing)(xing)冷(leng)媒(mei)(mei)(mei)管(guan)的(de)(de)(de)安(an)(an)裝(zhuang)了,冷(leng)媒(mei)(mei)(mei)管(guan)在(zai)(zai)(zai)中(zhong)(zhong)央(yang)空(kong)調中(zhong)(zhong)是(shi)非(fei)常(chang)重要(yao)(yao)(yao)(yao)(yao)(yao)(yao)(yao)的(de)(de)(de),在(zai)(zai)(zai)安(an)(an)裝(zhuang)的(de)(de)(de)時(shi)(shi)候(hou)一(yi)(yi)定(ding)要(yao)(yao)(yao)(yao)(yao)(yao)(yao)(yao)注意(yi)(yi)。在(zai)(zai)(zai)安(an)(an)裝(zhuang)冷(leng)媒(mei)(mei)(mei)管(guan)時(shi)(shi),不(bu)要(yao)(yao)(yao)(yao)(yao)(yao)(yao)(yao)將兩(liang)根(gen)銅管(guan)直接(jie)(jie)進行(xing)(xing)焊(han)(han)接(jie)(jie),中(zhong)(zhong)間要(yao)(yao)(yao)(yao)(yao)(yao)(yao)(yao)有(you)歧管(guan)來進行(xing)(xing)隔開,在(zai)(zai)(zai)焊(han)(han)接(jie)(jie)的(de)(de)(de)時(shi)(shi)候(hou)要(yao)(yao)(yao)(yao)(yao)(yao)(yao)(yao)在(zai)(zai)(zai)東(dong)莞內(nei)釋放(fang)一(yi)(yi)下氮氣,這樣可以(yi)(yi)保證銅管(guan)內(nei)的(de)(de)(de)壓力不(bu)被(bei)破壞(huai),在(zai)(zai)(zai)所以(yi)(yi)管(guan)道(dao)都焊(han)(han)接(jie)(jie)完畢后,需要(yao)(yao)(yao)(yao)(yao)(yao)(yao)(yao)使(shi)用(yong)氮氣來對管(guan)的(de)(de)(de)內(nei)部進行(xing)(xing)清理。3、冷(leng)媒(mei)(mei)(mei)管(guan)安(an)(an)裝(zhuang)好(hao)之后,就要(yao)(yao)(yao)(yao)(yao)(yao)(yao)(yao)開始(shi)對冷(leng)凝管(guan)進行(xing)(xing)安(an)(an)裝(zhuang)了,冷(leng)暖管(guan)是(shi)用(yong)來排水(shui)的(de)(de)(de),是(shi)要(yao)(yao)(yao)(yao)(yao)(yao)(yao)(yao)在(zai)(zai)(zai)內(nei)機(ji)(ji)出(chu)接(jie)(jie)到室(shi)外(wai)的(de)(de)(de),在(zai)(zai)(zai)安(an)(an)裝(zhuang)的(de)(de)(de)時(shi)(shi)候(hou)要(yao)(yao)(yao)(yao)(yao)(yao)(yao)(yao)留有(you)一(yi)(yi)定(ding)的(de)(de)(de)坡度,在(zai)(zai)(zai)接(jie)(jie)出(chu)室(shi)外(wai)后要(yao)(yao)(yao)(yao)(yao)(yao)(yao)(yao)落(luo)到地面。
鑒于軸流風機有紊流區的性能特點,在選型和使用時,需要注意以下兩點:黔江風管建議使用在空曠環境中,軸流風機的輸入功率隨系統靜壓的增大而增大,而在紊流區,輸入功率的增大幅度會更大。因此,軸流風機一般多應用在有較大空曠環境的場合下,可以使其工作在靜壓較低的環境下,降低功耗,保證穩定性和壽命。風管廠家定期(qi)清理(li)風(feng)(feng)(feng)道,當軸流風(feng)(feng)(feng)機(ji)(ji)(ji)應用在較為封閉的(de)風(feng)(feng)(feng)道系統中時,長(chang)期(qi)運行(xing)后風(feng)(feng)(feng)道中的(de)積灰、垃圾(ji)逐漸變多,會使風(feng)(feng)(feng)道內的(de)靜壓逐漸增加,使得(de)風(feng)(feng)(feng)機(ji)(ji)(ji)的(de)運行(xing)工(gong)況點逐漸左移。這不僅會降低風(feng)(feng)(feng)機(ji)(ji)(ji)性能,更重(zhong)要的(de)是會增加軸流風(feng)(feng)(feng)機(ji)(ji)(ji)進入紊流區的(de)風(feng)(feng)(feng)險。因此(ci)必須(xu)要定期(qi)清理(li)風(feng)(feng)(feng)道,保(bao)證(zheng)風(feng)(feng)(feng)機(ji)(ji)(ji)工(gong)況點不產(chan)生較大偏移。
風(feng)(feng)管(guan)(guan)主要(yao)指中央空調系(xi)統的(de)通風(feng)(feng)管(guan)(guan)道,它常(chang)常(chang)被忽視,但卻(que)是(shi)空調系(xi)統的(de)重(zhong)要(yao)組成部分,目(mu)前常(chang)見的(de)風(feng)(feng)管(guan)(guan)主要(yao)有四種:1)鍍(du)鋅(xin)(xin)薄鋼板(ban)風(feng)(feng)管(guan)(guan);2)無機玻(bo)璃(li)鋼風(feng)(feng)管(guan)(guan);3)復合玻(bo)纖板(ban)風(feng)(feng)管(guan)(guan);4)纖維(wei)(wei)織物(wu)風(feng)(feng)管(guan)(guan)。鍍(du)鋅(xin)(xin)薄鋼板(ban)風(feng)(feng)管(guan)(guan):早(zao)使用(yong)的(de)風(feng)(feng)管(guan)(guan),采用(yong)鍍(du)鋅(xin)(xin)薄鋼板(ban)制(zhi)作(zuo),適合含濕量(liang)小的(de)一(yi)般性氣(qi)體的(de)輸送,有易生銹,無保溫和消聲功(gong)能(neng),制(zhi)作(zuo)安(an)裝周期長的(de)特點。無機玻(bo)璃(li)鋼風(feng)(feng)管(guan)(guan):較(jiao)新的(de)風(feng)(feng)管(guan)(guan)類型,采用(yong)玻(bo)璃(li)纖維(wei)(wei)增強無機材料制(zhi)作(zuo),遇火(huo)不燃、耐腐蝕、份量(liang)重(zhong),硬度大但較(jiao)脆,受自重(zhong)影(ying)響易變(bian)形酥裂,無保溫和消聲性能(neng),制(zhi)作(zuo)安(an)裝周期長。
1、 薄(bo)鋼(gang)板(ban)矩形(xing)(xing)風(feng)(feng)(feng)(feng)管(guan)(guan)的(de)(de)(de)剛度(du)(du)不(bu)(bu)(bu)夠,表(biao)(biao)現形(xing)(xing)式:風(feng)(feng)(feng)(feng)管(guan)(guan)的(de)(de)(de)大(da)邊(bian)上下有(you)不(bu)(bu)(bu)同程度(du)(du)的(de)(de)(de)下沉(chen),兩側面(mian)(mian)小(xiao)邊(bian)稍向外凸(tu)出,有(you)明顯的(de)(de)(de)變形(xing)(xing)。對(dui)產生(sheng)的(de)(de)(de)原因(yin)分析:① 制作(zuo)風(feng)(feng)(feng)(feng)管(guan)(guan)的(de)(de)(de)鋼(gang)板(ban)厚度(du)(du)不(bu)(bu)(bu)符合施工及(ji)驗收(shou)(shou)規范的(de)(de)(de)要(yao)求(qiu);② 咬口的(de)(de)(de)形(xing)(xing)式選擇不(bu)(bu)(bu)當;③ 沒有(you)按照(zhao)《施工及(ji)驗收(shou)(shou)規范》要(yao)求(qiu),對(dui)于邊(bian)長(chang)≥630 mm或保溫風(feng)(feng)(feng)(feng)管(guan)(guan)≥800 mm,其管(guan)(guan)長(chang)在(zai)1 200mm以(yi)上,均應采取加固措(cuo)施。2 、薄(bo)鋼(gang)板(ban)矩形(xing)(xing)風(feng)(feng)(feng)(feng)管(guan)(guan)扭曲、翹角,表(biao)(biao)現形(xing)(xing)式:風(feng)(feng)(feng)(feng)管(guan)(guan)表(biao)(biao)面(mian)(mian)不(bu)(bu)(bu)平;對(dui)角線不(bu)(bu)(bu)相(xiang)(xiang)等(deng);相(xiang)(xiang)鄰表(biao)(biao)面(mian)(mian)互不(bu)(bu)(bu)垂直;兩相(xiang)(xiang)對(dui)表(biao)(biao)面(mian)(mian)不(bu)(bu)(bu)平行(xing)及(ji)兩管(guan)(guan)端平面(mian)(mian)不(bu)(bu)(bu)平行(xing)等(deng)。產生(sheng)的(de)(de)(de)原因(yin)分析:① 矩形(xing)(xing)板(ban)料(liao)下料(liao)后,未對(dui)四個角進行(xing)嚴格的(de)(de)(de)角方測量;② 風(feng)(feng)(feng)(feng)管(guan)(guan)的(de)(de)(de)大(da)邊(bian)或小(xiao)邊(bian)的(de)(de)(de)兩個相(xiang)(xiang)對(dui)面(mian)(mian)的(de)(de)(de)板(ban)料(liao)長(chang)度(du)(du)和寬(kuan)(kuan)度(du)(du)不(bu)(bu)(bu)相(xiang)(xiang)等(deng);③ 風(feng)(feng)(feng)(feng)管(guan)(guan)的(de)(de)(de)四個角處的(de)(de)(de)咬口寬(kuan)(kuan)度(du)(du)不(bu)(bu)(bu)相(xiang)(xiang)等(deng);④ 手工咬口合縫(feng)受(shou)力不(bu)(bu)(bu)均。
防(fang)火閥:采用70℃溫度(du)(du)熔斷器(qi)(qi)自動(dong)關閉(防(fang)火).可輸出(chu)聯動(dong)訊(xun)(xun)號(hao),用于通(tong)風(feng)(feng)空調(diao)系統(tong)風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)內,防(fang)止(zhi)火勢沿風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)蔓延。排(pai)煙(yan)(yan)(yan)防(fang)火閥:電(dian)(dian)訊(xun)(xun)號(hao)開啟,手(shou)動(dong)開啟,輸出(chu)動(dong)作電(dian)(dian)訊(xun)(xun)號(hao).用于排(pai)煙(yan)(yan)(yan)風(feng)(feng)機(ji)吸入口(kou)管(guan)(guan)(guan)(guan)(guan)道或排(pai)煙(yan)(yan)(yan)支管(guan)(guan)(guan)(guan)(guan)上(shang)。采用280℃溫度(du)(du)熔斷器(qi)(qi)重新關閉。防(fang)火閥——通(tong)風(feng)(feng)空調(diao)系統(tong)70℃:風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)穿越防(fang)火分區、隔墻樓板(ban)、水平風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)的水平管(guan)(guan)(guan)(guan)(guan)段上(shang)(系統(tong)獨立設置(zhi)可不設)、公(gong)共(gong)建筑豎向排(pai)風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)支管(guan)(guan)(guan)(guan)(guan);150℃:公(gong)共(gong)建筑廚房排(pai)油煙(yan)(yan)(yan)管(guan)(guan)(guan)(guan)(guan)支管(guan)(guan)(guan)(guan)(guan);排(pai)煙(yan)(yan)(yan)防(fang)火閥——消防(fang)排(pai)煙(yan)(yan)(yan)系統(tong)280℃:消防(fang)排(pai)煙(yan)(yan)(yan)管(guan)(guan)(guan)(guan)(guan)道;
在(zai)葉(xie)輪(lun)運轉初期(qi)(qi)及所有(you)(you)定期(qi)(qi)檢(jian)查(cha)的(de)時(shi)候,只(zhi)要一有(you)(you)機會,都必(bi)須(xu)(xu)檢(jian)查(cha)葉(xie)輪(lun)是否(fou)出現(xian)裂紋、磨損、積(ji)(ji)塵等缺陷(xian)。只(zhi)要有(you)(you)可能(neng)(neng),都必(bi)須(xu)(xu)使葉(xie)輪(lun)保持(chi)清潔狀態,并定期(qi)(qi)用(yong)鋼絲刷刷去上面的(de)積(ji)(ji)塵和銹(xiu)皮等,因(yin)為隨(sui)著運行時(shi)間(jian)的(de)加長,這(zhe)些灰(hui)塵由于不可能(neng)(neng)均勻地附著在(zai)葉(xie)輪(lun)上,而造成葉(xie)輪(lun)平衡破壞(huai),以至引起轉子振動。葉(xie)輪(lun)只(zhi)要進(jin)行了(le)修理,就需要對(dui)其再作動平衡。如有(you)(you)條件,可以使用(yong)便攜試動平衡儀在(zai)現(xian)場進(jin)行平衡。在(zai)作動平衡之前(qian),必(bi)須(xu)(xu)檢(jian)查(cha)所有(you)(you)緊定螺栓是否(fou)上緊。因(yin)為葉(xie)輪(lun)已(yi)(yi)經(jing)在(zai)不平衡狀態下運行了(le)一段時(shi)間(jian),這(zhe)些螺栓可能(neng)(neng)已(yi)(yi)經(jing)松動。