內蒙古凈化工程中的無主送風管和專用空調機房，減少回風夾道和風機室內投資氣流。空調也安裝在回風夾道內，不需要專用空調機房。除了安裝空調，回風夾道還可以作為維護和工藝通道。

　　無主(zhu)(zhu)送(song)(song)風(feng)(feng)(feng)管(guan)(guan)(guan)和專(zhuan)用空調(diao)(diao)(diao)機(ji)房(fang)(fang)，減少投資氣流在回風(feng)(feng)(feng)夾道(dao)(dao)和風(feng)(feng)(feng)機(ji)室內(nei)流動。空調(diao)(diao)(diao)也安裝(zhuang)在回風(feng)(feng)(feng)夾道(dao)(dao)內(nei)，不需要專(zhuan)用空調(diao)(diao)(diao)機(ji)房(fang)(fang)。除了(le)(le)安裝(zhuang)空調(diao)(diao)(diao)，回風(feng)(feng)(feng)夾道(dao)(dao)還(huan)(huan)可(ke)(ke)(ke)以(yi)作(zuo)為維護和工藝通(tong)(tong)道(dao)(dao)。空調(diao)(diao)(diao)送(song)(song)風(feng)(feng)(feng)的(de)特點(dian)是(shi)送(song)(song)風(feng)(feng)(feng)壓力(li)底部，冷空氣直接從空調(diao)(diao)(diao)送(song)(song)出(chu)進入風(feng)(feng)(feng)機(ji)室。除了(le)(le)冷風(feng)(feng)(feng)管(guan)(guan)(guan)本身的(de)阻力(li)外，沒(mei)有其(qi)他阻力(li)損失(shi)，尤其(qi)是(shi)在冷風(feng)(feng)(feng)管(guan)(guan)(guan)的(de)出(chu)口端，風(feng)(feng)(feng)機(ji)箱形(xing)成(cheng)(cheng)了(le)(le)一定(ding)的(de)真空度，更有利(li)于冷風(feng)(feng)(feng)管(guan)(guan)(guan)克服送(song)(song)風(feng)(feng)(feng)阻力(li)。由于冷風(feng)(feng)(feng)管(guan)(guan)(guan)的(de)壓力(li)很低(di)，冷風(feng)(feng)(feng)管(guan)(guan)(guan)可(ke)(ke)(ke)以(yi)選擇質量輕、成(cheng)(cheng)本低(di)的(de)薄(bo)塑料(liao)或(huo)金屬軟(ruan)管(guan)(guan)(guan)。除了(le)(le)少量起(qi)輔助作(zuo)用的(de)冷風(feng)(feng)(feng)管(guan)(guan)(guan)外，整個空氣循(xun)環系(xi)統還(huan)(huan)可(ke)(ke)(ke)以(yi)省(sheng)略其(qi)他主(zhu)(zhu)風(feng)(feng)(feng)管(guan)(guan)(guan)和管(guan)(guan)(guan)閥(fa)。整個潔凈室沒(mei)有主(zhu)(zhu)風(feng)(feng)(feng)管(guan)(guan)(guan)或(huo)專(zhuan)用空調(diao)(diao)(diao)機(ji)房(fang)(fang)，氣流通(tong)(tong)道(dao)(dao)由潔凈室墻(qiang)壁和圍(wei)墻(qiang)板(ban)組(zu)成(cheng)(cheng)。空調(diao)(diao)(diao)價格便宜，運行穩定(ding)，安裝(zhuang)方便，可(ke)(ke)(ke)節省(sheng)工程投資，縮短施工周期(qi)。

　　空(kong)(kong)(kong)(kong)調(diao)(diao)制冷(leng)速度快，節能(neng)明顯。通(tong)常，潔凈(jing)室的(de)(de)(de)(de)溫度調(diao)(diao)節是由中(zhong)(zhong)央(yang)空(kong)(kong)(kong)(kong)調(diao)(diao)冷(leng)卻空(kong)(kong)(kong)(kong)氣，然(ran)后送(song)(song)(song)到潔凈(jing)室。這種(zhong)方法需(xu)要(yao)大量的(de)(de)(de)(de)風(feng)(feng)管進行長距離送(song)(song)(song)風(feng)(feng)，沿途的(de)(de)(de)(de)阻(zu)力損(sun)失(shi)和(he)(he)(he)溫度損(sun)失(shi)會(hui)造(zao)(zao)成(cheng)很大的(de)(de)(de)(de)能(neng)量損(sun)失(shi)。此(ci)外，還有一(yi)種(zhong)方法可(ke)以將空(kong)(kong)(kong)(kong)調(diao)(diao)安(an)(an)裝在專(zhuan)用(yong)(yong)的(de)(de)(de)(de)回風(feng)(feng)直管中(zhong)(zhong)，然(ran)后通(tong)過(guo)風(feng)(feng)機和(he)(he)(he)風(feng)(feng)管將空(kong)(kong)(kong)(kong)氣送(song)(song)(song)到送(song)(song)(song)風(feng)(feng)口。這種(zhong)方法雖然(ran)省去了(le)中(zhong)(zhong)央(yang)空(kong)(kong)(kong)(kong)調(diao)(diao)，但(dan)仍然(ran)需(xu)要(yao)專(zhuan)用(yong)(yong)的(de)(de)(de)(de)風(feng)(feng)機和(he)(he)(he)風(feng)(feng)管，結構(gou)復雜(za)，成(cheng)本高，占用(yong)(yong)空(kong)(kong)(kong)(kong)間有限，不便(bian)于(yu)空(kong)(kong)(kong)(kong)調(diao)(diao)的(de)(de)(de)(de)維護和(he)(he)(he)操作，風(feng)(feng)機和(he)(he)(he)風(feng)(feng)管造(zao)(zao)成(cheng)的(de)(de)(de)(de)能(neng)量損(sun)失(shi)也很大。本方案采用(yong)(yong)冷(leng)風(feng)(feng)管直接送(song)(song)(song)風(feng)(feng)的(de)(de)(de)(de)方式，將空(kong)(kong)(kong)(kong)調(diao)(diao)產生的(de)(de)(de)(de)冷(leng)風(feng)(feng)直接送(song)(song)(song)到潔凈(jing)空(kong)(kong)(kong)(kong)氣的(de)(de)(de)(de)主流區域(yu)。冷(leng)風(feng)(feng)行程短，冷(leng)風(feng)(feng)量集(ji)中(zhong)(zhong)，不需(xu)要(yao)專(zhuan)用(yong)(yong)管閥件，節約(yue)投資，安(an)(an)裝更簡單。更重要(yao)的(de)(de)(de)(de)是，減少了(le)這些管閥的(de)(de)(de)(de)阻(zu)力損(sun)失(shi)和(he)(he)(he)溫度損(sun)失(shi)，達到了(le)提高效率和(he)(he)(he)節能(neng)的(de)(de)(de)(de)目的(de)(de)(de)(de)。

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