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潔凈室空調凈化系統安裝方案

  • 發表時間:2020-11-08
  • 來源:網絡

  潔凈室空(kong)調凈化系統(tong)安(an)裝(zhuang)主要用于(yu)醫(yi)院手術室、ICU病房(fang)、GMP制藥、動(dong)物(wu)(wu)飼養、電子無(wu)塵車(che)(che)間、QS食(shi)品飲料(liao)、無(wu)菌實(shi)(shi)驗(yan)(yan)室、物(wu)(wu)理實(shi)(shi)驗(yan)(yan)室、純凈水灌裝(zhuang)車(che)(che)間、化妝品生產車(che)(che)間、晶(jing)石(shi)光學制品廠(chang)等(deng)等(deng),目的(de)是利用空(kong)調凈化來保證房(fang)間的(de)潔凈度,為企業保持(chi)個(ge)良好的(de)作業環境,提高生產效(xiao)率(lv)、安(an)全作業與保障售后服(fu)務(wu)。

  空調凈化系統安裝

  潔(jie)(jie)(jie)凈(jing)室(shi)(shi)(shi)安裝空調(diao)(diao)凈(jing)化系統(tong)是為(wei)了保(bao)持室(shi)(shi)(shi)內(nei)(nei)溫(wen)度、濕(shi)度、風速、壓力和潔(jie)(jie)(jie)凈(jing)度等參(can)數。為(wei)了減(jian)少潔(jie)(jie)(jie)凈(jing)室(shi)(shi)(shi)的(de)污染源,必須做到防滑、防霉(mei)、防塵、防靜(jing)電、易清潔(jie)(jie)(jie)等條件。凈(jing)化潔(jie)(jie)(jie)凈(jing)室(shi)(shi)(shi)常用的(de)方法(fa)是利用空調(diao)(diao)凈(jing)化系統(tong)向室(shi)(shi)(shi)內(nei)(nei)不(bu)斷送(song)入定量(liang)經過處(chu)理的(de)空氣(qi),然(ran)后再將(jiang)室(shi)(shi)(shi)內(nei)(nei)的(de)空氣(qi)排(pai)出,以(yi)消除潔(jie)(jie)(jie)凈(jing)室(shi)(shi)(shi)內(nei)(nei)外(wai)各種(zhong)熱濕(shi)干擾及塵埃污染。

  基本構成

  潔凈空調系統基本由下列設備構成

  1、加(jia)熱(re)或冷卻、加(jia)濕或去濕以及凈(jing)化設(she)備;

  2、將處(chu)理后(hou)的空氣(qi)送入各潔凈室(shi)并使之(zhi)循環的空氣(qi)輸送設備及(ji)其管(guan)路;

  3、向系統提(ti)供熱(re)(re)量(liang)、冷量(liang)、熱(re)(re)源(yuan)、冷源(yuan)及其(qi)管(guan)路系統。

  潔凈空調系統般分為三大類:

  1、集中(zhong)式潔(jie)(jie)凈(jing)空調(diao)系統 :在系統內單個(ge)(ge)或多個(ge)(ge)潔(jie)(jie)凈(jing)室所需的凈(jing)化空調(diao)設備都(dou)集中(zhong)在機(ji)房內,用送(song)風管(guan)道(dao)將潔(jie)(jie)凈(jing)空氣配給各個(ge)(ge)潔(jie)(jie)凈(jing)室。

  2、分散式(shi)潔(jie)凈空(kong)調系統:在系統內各個潔(jie)凈室(shi)單獨(du)設(she)置凈化(hua)設(she)備或凈化(hua)空(kong)調設(she)備。

  3、半集中式(shi)潔凈(jing)空(kong)調系(xi)統:在這種系(xi)統中,既有集中的凈(jing)化(hua)空(kong)調機房,又(you)有分散在各潔凈(jing)室(shi)內的空(kong)氣處(chu)(chu)理(li)設備(bei)。是種集中處(chu)(chu)理(li)和局部處(chu)(chu)理(li)相結合的形式(shi)。

  人們般按系(xi)(xi)統(tong)(tong)內各潔凈(jing)室的(de)潔凈(jing)度來(lai)命(ming)名系(xi)(xi)統(tong)(tong),如稱之為100級凈(jing)化(hua)(hua)空(kong)(kong)(kong)調(diao)系(xi)(xi)統(tong)(tong),1000級凈(jing)化(hua)(hua)空(kong)(kong)(kong)調(diao)系(xi)(xi)統(tong)(tong)等。有時也按系(xi)(xi)統(tong)(tong)的(de)末(mo)級過(guo)濾器的(de)性(xing)質來(lai)區分,分**空(kong)(kong)(kong)氣(qi)凈(jing)化(hua)(hua)系(xi)(xi)統(tong)(tong),亞**空(kong)(kong)(kong)氣(qi)凈(jing)化(hua)(hua)系(xi)(xi)統(tong)(tong)和中效空(kong)(kong)(kong)氣(qi)凈(jing)化(hua)(hua)系(xi)(xi)統(tong)(tong)。

  集中式潔凈空調系統

  集中式潔凈空調系統(tong)主要有如下特點

  1、在(zai)機房內(nei)對空氣集中(zhong)處理,進(jin)而(er)送進(jin)各個潔凈室。

  2、由于設備集(ji)中于機房,對噪聲(sheng)和振動較容易處理。

  3、個(ge)(ge)系統控制多個(ge)(ge)潔凈室(shi)(shi),要求各(ge)潔凈室(shi)(shi)同時使用(yong)系數高。

  4、集中處理后(hou)的潔(jie)凈(jing)空氣(qi)送入各潔(jie)凈(jing)室,以(yi)不同的換氣(qi)次數和氣(qi)流形式來實現各潔(jie)凈(jing)室內(nei)不同的潔(jie)凈(jing)度。

  集中式潔凈空調系統適用于工藝生產連續、潔凈室面積較大、位置集中,噪聲和振動控制要求嚴格的潔凈廠房。般有如下三種形式:

  1、直流式:系統(tong)所處理的(de)空(kong)氣(qi)全部來自室(shi)(shi)外,處理后送入室(shi)(shi)內,然后又全部排(pai)出(chu)室(shi)(shi)外。該(gai)系統(tong)方式冷、熱量(liang)消耗大,工程投資(zi)和運行費用較高,當潔凈室(shi)(shi)內散發大量(liang)的(de)有害(hai)氣(qi)體,而局部排(pai)風不能(neng)解決時,采用該(gai)方式。

  2.封閉式:該系(xi)統(tong)所處理的(de)空氣(qi)全部來自空調房間本身(shen),循(xun)環往復。當潔(jie)凈室(shi)內無(wu)人長期逗(dou)留,僅僅為存放(fang)或為保證精密儀器正常運行,或些無(wu)需從外界獲得(de)新鮮空氣(qi)的(de)特殊場合,可(ke)以采用封閉式系(xi)統(tong)。封閉式系(xi)統(tong)沒有(you)室(shi)外新風,系(xi)統(tong)消耗冷、熱量少,但衛生條件差。

  3.混(hun)合式(shi):該系統(tong)不僅吸取部分(fen)(fen)室外(wai)新風(feng),而且還利(li)用部分(fen)(fen)回(hui)風(feng),根據(ju)回(hui)風(feng)形式(shi),有次(ci)回(hui)風(feng)系統(tong)和二(er)次(ci)回(hui)風(feng)系統(tong)。這種系統(tong)既能滿足衛(wei)生要求,又經濟(ji)合理(li),應(ying)用為廣泛(fan)。

  分散式潔凈空調系統

  對(dui)于些生產工藝單,潔(jie)凈(jing)(jing)(jing)室(shi)分散,不能(neng)或不宜合(he)為個(ge)系(xi)統(tong)(tong),或各(ge)個(ge)潔(jie)凈(jing)(jing)(jing)室(shi)無(wu)法布置輸(shu)(shu)送(song)系(xi)統(tong)(tong)和機房等場合(he),應采用分散式潔(jie)凈(jing)(jing)(jing)空(kong)調(diao)系(xi)統(tong)(tong),在該系(xi)統(tong)(tong)中把機房、輸(shu)(shu)送(song)系(xi)統(tong)(tong)和潔(jie)凈(jing)(jing)(jing)室(shi)結(jie)合(he)在起,自成系(xi)統(tong)(tong)。在分散式潔(jie)凈(jing)(jing)(jing)空(kong)調(diao)系(xi)統(tong)(tong)中,在各(ge)個(ge)潔(jie)凈(jing)(jing)(jing)室(shi)或鄰室(shi)內就地安裝凈(jing)(jing)(jing)化(hua)和空(kong)調(diao)設備或凈(jing)(jing)(jing)化(hua)空(kong)調(diao)設備。凈(jing)(jing)(jing)化(hua)空(kong)調(diao)設備可以是個(ge)定型機組產品,它具有凈(jing)(jing)(jing)化(hua)功能(neng),但處(chu)理的(de)風量較(jiao)少,往(wang)往(wang)不能(neng)滿足較(jiao)高潔(jie)凈(jing)(jing)(jing)度的(de)潔(jie)凈(jing)(jing)(jing)室(shi)所需風量,系(xi)統(tong)(tong)處(chu)理過(guo)程往(wang)往(wang)是次回風系(xi)統(tong)(tong)。

  由(you)于(yu)(yu)凈(jing)(jing)(jing)(jing)化(hua)空(kong)(kong)(kong)(kong)(kong)調(diao)設(she)(she)(she)備(bei)(bei)(bei)(bei)內(nei)(nei)(nei)(nei)風(feng)機(ji)(ji)要(yao)求克服熱(re)(re)交換(huan)盤管、通(tong)道(dao)及(ji)幾(ji)級過濾器(qi)(qi)的(de)(de)(de)阻力,所需(xu)(xu)壓(ya)(ya)頭很(hen)高(gao)。為了(le)安(an)裝于(yu)(yu)設(she)(she)(she)備(bei)(bei)(bei)(bei)內(nei)(nei)(nei)(nei),體積不可(ke)(ke)(ke)能 很(hen)大(da)(da);如采(cai)用較(jiao)高(gao)轉數(shu)來達到所需(xu)(xu)壓(ya)(ya)力,噪(zao)聲震動(dong)又較(jiao)大(da)(da)。國內(nei)(nei)(nei)(nei)設(she)(she)(she)備(bei)(bei)(bei)(bei)狀況(kuang),這(zhe)類機(ji)(ji)組發(fa)展(zhan)較(jiao)慢。眾(zhong)所周知,潔凈(jing)(jing)(jing)(jing)室(shi)內(nei)(nei)(nei)(nei)除了(le)些必要(yao)設(she)(she)(she)備(bei)(bei)(bei)(bei)外,盡可(ke)(ke)(ke)能把設(she)(she)(she)備(bei)(bei)(bei)(bei)設(she)(she)(she)置(zhi)在(zai)室(shi)外,加上(shang)人員人數(shu)嚴格控(kong)制等(deng),潔凈(jing)(jing)(jing)(jing)室(shi)的(de)(de)(de)熱(re)(re)濕(shi)負荷通(tong)常比普通(tong)空(kong)(kong)(kong)(kong)(kong)調(diao)室(shi)小(xiao)(xiao)(xiao),但需(xu)(xu)風(feng)量(liang)卻比般空(kong)(kong)(kong)(kong)(kong)調(diao)室(shi)大(da)(da),這(zhe)就從(cong)另個角度(du)限制了(le)r凈(jing)(jing)(jing)(jing)化(hua)空(kong)(kong)(kong)(kong)(kong)調(diao)設(she)(she)(she)備(bei)(bei)(bei)(bei)的(de)(de)(de)使用范(fan)圍。為了(le)解決這(zhe)題(ti),正分散(san)式(shi)凈(jing)(jing)(jing)(jing)化(hua)空(kong)(kong)(kong)(kong)(kong)調(diao)系(xi)統中,可(ke)(ke)(ke)以(yi)將風(feng)機(ji)(ji)過濾器(qi)(qi)單元等(deng)局部凈(jing)(jing)(jing)(jing)化(hua)設(she)(she)(she)備(bei)(bei)(bei)(bei)放在(zai)潔凈(jing)(jing)(jing)(jing)室(shi)內(nei)(nei)(nei)(nei),或(huo)設(she)(she)(she)置(zhi)于(yu)(yu)鄰室(shi)、套間(jian),棚內(nei)(nei)(nei)(nei)等(deng)處(chu)而與潔凈(jing)(jing)(jing)(jing)室(shi)相聯。或(huo)利用鄰室(shi)、套間(jian),棚等(deng)作(zuo)靜(jing)壓(ya)(ya)箱,并在(zai)內(nei)(nei)(nei)(nei)設(she)(she)(she)置(zhi)普通(tong)空(kong)(kong)(kong)(kong)(kong)調(diao)機(ji)(ji)組,以(yi)作(zuo)混風(feng)和(he)空(kong)(kong)(kong)(kong)(kong)調(diao)處(chu)理(li)(li)用。它(ta)的(de)(de)(de)處(chu)理(li)(li)過程(cheng)可(ke)(ke)(ke)看作(zuo)二次回風(feng)。空(kong)(kong)(kong)(kong)(kong)調(diao)機(ji)(ji)組實際上(shang)是(shi)個小(xiao)(xiao)(xiao)型空(kong)(kong)(kong)(kong)(kong)調(diao)系(xi)統,它(ta)的(de)(de)(de)冷(leng)源(yuan)通(tong)常采(cai)用壓(ya)(ya)縮式(shi)制冷(leng)機(ji)(ji)組,熱(re)(re)源(yuan)在(zai)容量(liang)不大(da)(da)和(he)要(yao)求靈活性大(da)(da)時可(ke)(ke)(ke)采(cai)用電熱(re)(re)。空(kong)(kong)(kong)(kong)(kong)氣(qi)處(chu)理(li)(li)設(she)(she)(she)備(bei)(bei)(bei)(bei)主(zhu)要(yao)是(shi)制冷(leng)機(ji)(ji)的(de)(de)(de)蒸發(fa)器(qi)(qi),電加濕(shi)器(qi)(qi)及(ji)電加熱(re)(re)器(qi)(qi)。當(dang)浩凈(jing)(jing)(jing)(jing)室(shi)溫(wen)度(du),濕(shi)度(du)全年(nian)的(de)(de)(de)控(kong)制精度(du)要(yao)求較(jiao)高(gao),可(ke)(ke)(ke)采(cai)用恒溫(wen)恒濕(shi)機(ji)(ji)組.它(ta)能自(zi)動(dong)調(diao)節空(kong)(kong)(kong)(kong)(kong)氣(qi)溫(wen)溫(wen)度(du),以(yi)維持室(shi)內(nei)(nei)(nei)(nei)定溫(wen)度(du),濕(shi)度(du)。當(dang)潔凈(jing)(jing)(jing)(jing)室(shi)僅要(yao)求 夏季舒適性空(kong)(kong)(kong)(kong)(kong)調(diao),即(ji)僅在(zai)夏季降溫(wen)去濕(shi),可(ke)(ke)(ke)采(cai)用冷(leng)風(feng)機(ji)(ji)組。它(ta)與恒溫(wen)恒溫(wen)機(ji)(ji)組主(zhu)要(yao)區(qu)別(bie)在(zai)于(yu)(yu)沒有自(zi)動(dong)控(kong)制(采(cai)用手(shou)動(dong)控(kong)制),電加濕(shi)器(qi)(qi)和(he)電加熱(re)(re)器(qi)(qi)。如果是(shi)容量(liang)小(xiao)(xiao)(xiao)的(de)(de)(de) 空(kong)(kong)(kong)(kong)(kong)調(diao)機(ji)(ji)組(冷(leng)量(liang)小(xiao)(xiao)(xiao)于(yu)(yu)7kW,風(feng)量(liang)小(xiao)(xiao)(xiao)于(yu)(yu)1200m 3/h)可(ke)(ke)(ke)做成窗臺式(shi)。容量(liang)大(da)(da)的(de)(de)(de)(冷(leng)量(liang)小(xiao)(xiao)(xiao)于(yu)(yu)70kW,風(feng)量(liang)小(xiao)(xiao)(xiao)于(yu)(yu)20000m3/h)為立柜式(shi)。

  上述這(zhe)種(zhong)將空(kong)(kong)調(diao)和(he)凈(jing)化(hua)(hua)兩種(zhong)功能(neng)分開處(chu)理的(de)(de)(de)作(zuo)法,不(bu)(bu)僅解決潔(jie)凈(jing)室(shi)熱濕負(fu)荷小、處(chu)理風(feng)(feng)(feng)量(liang)大的(de)(de)(de)難題,而(er)且使 系(xi)統更為靈活。由(you)于利用(yong)(yong)套(tao)(tao)間(jian)(jian)(jian)(jian)或棚(peng)作(zuo)靜壓箱(xiang),使空(kong)(kong)氣環路(lu)斷面大-輸送路(lu)線短,對空(kong)(kong)調(diao)機(ji)(ji)(ji)組和(he)凈(jing)化(hua)(hua)設備的(de)(de)(de)風(feng)(feng)(feng)機(ji)(ji)(ji)壓頭(tou)要求不(bu)(bu)高,因此相應(ying)噪(zao)聲與(yu)(yu)能(neng)耗(hao)也(ye)(ye)不(bu)(bu)高.凈(jing)化(hua)(hua)設 備也(ye)(ye)可適應(ying)潔(jie)凈(jing)室(shi)需要,采(cai)用(yong)(yong)多種(zhong)形(xing)(xing)式,與(yu)(yu)空(kong)(kong)調(diao)機(ji)(ji)(ji)組幾乎沒有(you)關聯.這(zhe)種(zhong)形(xing)(xing)式在(zai)我(wo)國應(ying)用(yong)(yong)很(hen)(hen)廣泛。但(dan)是這(zhe)種(zhong)系(xi)統的(de)(de)(de)新鳳往(wang)往(wang)只是靠套(tao)(tao)間(jian)(jian)(jian)(jian)或棚(peng)等產生負(fu)壓而(er)滲透進 來(lai),不(bu)(bu)能(neng)有(you)效控制,無(wu)法滿足室(shi)內衛生要求。潔(jie)凈(jing)空(kong)(kong)間(jian)(jian)(jian)(jian)內可通過(guo)送風(feng)(feng)(feng)量(liang)差值控制來(lai)建立正(zheng)壓,但(dan)在(zai)套(tao)(tao)間(jian)(jian)(jian)(jian)中的(de)(de)(de)負(fu)壓并不(bu)(bu)定(ding)(ding)使室(shi)外新風(feng)(feng)(feng)通過(guo)新風(feng)(feng)(feng)過(guo)濾器進入套(tao)(tao)間(jian)(jian)(jian)(jian),往(wang)往(wang) 透過(guo)其他途經(從走廊及窗等)滲入,套(tao)(tao)間(jian)(jian)(jian)(jian)內濃度(du)很(hen)(hen)不(bu)(bu)穩定(ding)(ding).這(zhe)樣不(bu)(bu)僅會(hui)影(ying)響過(guo)濾器使用(yong)(yong)期,而(er)且也(ye)(ye)可能(neng)涉及到(dao)潔(jie)凈(jing)空(kong)(kong)間(jian)(jian)(jian)(jian)內的(de)(de)(de)潔(jie)凈(jing)度(du),這(zhe)是個易被(bei)人(ren)忽視的(de)(de)(de)問(wen)題。象上海城市(shi)建設學院的(de)(de)(de)多功能(neng)潔(jie)凈(jing)實驗室(shi),就(jiu)在(zai)套(tao)(tao)間(jian)(jian)(jian)(jian)中增(zeng)設了亞**新風(feng)(feng)(feng)凈(jing)化(hua)(hua)機(ji)(ji)(ji)組。由(you)于它配有(you)可調(diao)風(feng)(feng)(feng)量(liang)風(feng)(feng)(feng)機(ji)(ji)(ji),不(bu)(bu)僅可使套(tao)(tao)間(jian)(jian)(jian)(jian)內保持正(zheng)壓,穩定(ding)(ding)套(tao)(tao)間(jian)(jian)(jian)(jian)內空(kong)(kong)氣濃度(du);而(er)且保證了潔(jie)凈(jing)空(kong)(kong)間(jian)(jian)(jian)(jian)內新風(feng)(feng)(feng)補給(gei)。 某些(xie)場合(he)也(ye)(ye)可以用(yong)(yong)中效新風(feng)(feng)(feng)凈(jing)化(hua)(hua)機(ji)(ji)(ji)組。

  全分(fen)散式凈(jing)(jing)化(hua)空(kong)調系(xi)統的大特點就是靈活(huo)、簡(jian)易。它(ta)可滿(man)足不(bu)同房間的不(bu)同送風要(yao)求(qiu)。當(dang)室內熱濕負荷變(bian)化(hua)時,調節系(xi)統 反應(ying)快,也不(bu)影響其他(ta)各室進風參數(shu),潔凈(jing)(jing)空(kong)間小而單,管理比較(jiao)方便,潔凈(jing)(jing)度也易保證。加上沒有輸(shu)送管系(xi)及專(zhuan)用(yong)機(ji)房,節約(yue)了(le)輸(shu)送能耗及沿途冷(leng)熱損失和污 染,減少了(le)輔助占地面積。另外空(kong)調機(ji)組(zu)體積小,現場安(an)裝工作(zuo)量少,操作(zuo)使用(yong)也方便,不(bu)需要(yao)專(zhuan)門熟(shu)練操作(zuo)工人。

  半集中式潔凈空調系統

  半集(ji)中式潔(jie)凈(jing)(jing)空(kong)(kong)(kong)調(diao)系統(tong)(tong)(tong), 是(shi)種把空(kong)(kong)(kong)氣集(ji)中處(chu)理和局部處(chu)理結(jie)合的(de)系統(tong)(tong)(tong)形式,它既有(you)象(xiang)分散(san)式系統(tong)(tong)(tong)那(nei)樣,各潔(jie)凈(jing)(jing)室(shi)(shi)能就地回(hui)風而避免往(wang)返輸送,又有(you)象(xiang)集(ji)中式系統(tong)(tong)(tong)那(nei)樣按(an)需要供(gong)給(gei)各潔(jie)凈(jing)(jing)室(shi)(shi)經 空(kong)(kong)(kong)調(diao)處(chu)理到定狀態的(de)新風,有(you)利于潔(jie)凈(jing)(jing)空(kong)(kong)(kong)氣參數的(de)控制(zhi)。隨著(zhu)生產工藝的(de)發展,人們對潔(jie)凈(jing)(jing)室(shi)(shi)要求也不(bu)同了。人們希望在個潔(jie)凈(jing)(jing)室(shi)(shi)內(nei)實現(xian)不(bu)同潔(jie)凈(jing)(jing)度分區控制(zhi)。 因此,出現(xian)了半集(ji)中式潔(jie)凈(jing)(jing)空(kong)(kong)(kong)調(diao)系統(tong)(tong)(tong),半潔(jie)凈(jing)(jing)式空(kong)(kong)(kong)調(diao)系統(tong)(tong)(tong)主要有(you)兩種使用(yong)形式,現(xian)分別介紹如下(xia):

  (一)、具有熱、濕處理能力的末端裝置:當潔凈室為下列情況時,可考慮采用具有熱、濕處理能力的末端裝置的半集中式潔凈空調系統

  1.當系(xi)統的潔(jie)凈室內熱(re)、濕負荷較大;

  2.各潔凈室間負荷差異較大(da);

  3.或各潔(jie)凈室使用時間不;

  4、或各(ge)潔凈(jing)室(shi)間避免(mian)互(hu)相污(wu)染。

  由(you)于室(shi)(shi)內機組(zu)具有(you)熱、濕處理能(neng)力,室(shi)(shi)內溫(wen)(wen)度(du)(du)(du)濕度(du)(du)(du)可根(gen)據要(yao)求(qiu)調節機組(zu)(即末端(duan)裝置(zhi))。例如,在醫院(yuan)中使用該系(xi)統,可以避免各(ge)手術(shu)室(shi)(shi)之間的(de)交叉感染,滿足各(ge)自不同的(de)無菌要(yao)求(qiu)。手術(shu)室(shi)(shi)內的(de)溫(wen)(wen)濕度(du)(du)(du),視手術(shu)性(xing)質、醫生要(yao)求(qiu)和病人(ren)感覺自行調節末端(duan)裝置(zhi),但(dan)是(shi)這樣的(de)空(kong)調系(xi)統控制精(jing)度(du)(du)(du)不高(gao),而且溫(wen)(wen)度(du)(du)(du)場(chang)濕度(du)(du)(du)場(chang)以及濃度(du)(du)(du)場(chang)均勻性(xing)也較(jiao)差。對于較(jiao)大型(xing)的(de)末端(duan)裝置(zhi),也可將次風(feng)直接送入風(feng)機盤管內,它與回風(feng)混合后經盤管進(jin)入室(shi)(shi)內。由(you)于室(shi)(shi)內只(zhi)有(you)個送風(feng)口,避免了次風(feng)對末端(duan)裝置(zhi)局部平行流區(qu)域(yu)的(de)干擾。

  (二)、單純凈化作用的末端裝置

  具有(you)單純凈(jing)(jing)化作用(yong)的(de)(de)末(mo)端(duan)裝置系(xi)(xi)(xi)統(tong)(tong)(tong),在(zai)半集中(zhong)潔凈(jing)(jing)空(kong)調(diao)(diao)系(xi)(xi)(xi)統(tong)(tong)(tong)中(zhong)應用(yong)多。大(da)多數改(gai)建(jian)工程都(dou)采用(yong)這種形式。當對(dui)原有(you)普通空(kong) 調(diao)(diao)系(xi)(xi)(xi)統(tong)(tong)(tong)進行(xing)凈(jing)(jing)化改(gai)造時,在(zai)原空(kong)調(diao)(diao)系(xi)(xi)(xi)統(tong)(tong)(tong)內增設過濾設備,如(ru)可在(zai)送(song)風管的(de)(de)適(shi)當位(wei)置增設過濾箱(xiang)、在(zai)各室(shi)送(song)風口增設過濾器,或更換原系(xi)(xi)(xi)統(tong)(tong)(tong)過濾器等,這樣就形成了(le)單 純凈(jing)(jing)化作用(yong)的(de)(de)末(mo)端(duan)裝置系(xi)(xi)(xi)統(tong)(tong)(tong)。末(mo)端(duan)裝置在(zai)室(shi)內起(qi)自(zi)循環(huan)、自(zi)凈(jing)(jing)化作用(yong),對(dui)室(shi)內潔凈(jing)(jing)度(du)是(shi)種輔(fu)助(zhu)手段。當調(diao)(diao)節末(mo)端(duan)裝置的(de)(de)風量或改(gai)變開啟末(mo)端(duan)裝置臺(tai)數時,可使(shi)室(shi)內實現(xian)不同的(de)(de)潔凈(jing)(jing)度(du)。

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