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一、高壓放電式臭氧(yang)消(xiao)毒機
高(gao)壓(ya)放(fang)電(dian)(dian)式臭氧(yang)消毒(du)(du)機(ji)(ji)是使(shi)(shi)用一定頻率的(de)(de)高(gao)壓(ya)電(dian)(dian)流制造(zao)高(gao)壓(ya)電(dian)(dian)暈電(dian)(dian)場(chang)(chang),使(shi)(shi)電(dian)(dian)場(chang)(chang)內(nei)或電(dian)(dian)場(chang)(chang)周圍的(de)(de)氧(yang)分子發生電(dian)(dian)化(hua)學反應,從而(er)制造(zao)臭氧(yang)。這種(zhong)臭氧(yang)消毒(du)(du)機(ji)(ji)具有(you)技術成熟、工作穩(wen)定、使(shi)(shi)用壽命長(chang)、臭氧(yang)產量大(單機(ji)(ji)可達1Kg/h)等優點,所以(yi)(yi)是國內(nei)外相關(guan)行業使(shi)(shi)用廣泛的(de)(de)臭氧(yang)消毒(du)(du)機(ji)(ji)。高(gao)壓(ya)放(fang)電(dian)(dian)式臭氧(yang)消毒(du)(du)機(ji)(ji)又分為以(yi)(yi)下幾種(zhong)類型:
1)按發生器的(de)高壓電頻(pin)(pin)(pin)率劃分,有(you)工頻(pin)(pin)(pin)(50-60Hz)、中(zhong)(zhong)頻(pin)(pin)(pin)(400-1000Hz)和(he)高頻(pin)(pin)(pin)(>1000Hz)三種(zhong)。工頻(pin)(pin)(pin)發生器由于體積(ji)大、功耗高等缺點,目(mu)前已基本退出(chu)市場。中(zhong)(zhong)、高頻(pin)(pin)(pin)發生器具有(you)體積(ji)小(xiao)、功耗低、臭氧產量大等優點,是(shi)現在常用(yong)的(de)產品。
2)按使用的(de)(de)氣(qi)體(ti)原(yuan)料(liao)劃分,有氧(yang)(yang)(yang)氣(qi)型(xing)和空(kong)(kong)氣(qi)型(xing)兩種。氧(yang)(yang)(yang)氣(qi)型(xing)通(tong)常是(shi)(shi)由氧(yang)(yang)(yang)氣(qi)瓶或制(zhi)氧(yang)(yang)(yang)機供應氧(yang)(yang)(yang)氣(qi)。空(kong)(kong)氣(qi)型(xing)通(tong)常是(shi)(shi)使用潔凈干燥的(de)(de)壓縮空(kong)(kong)氣(qi)作為原(yuan)料(liao)。由于臭氧(yang)(yang)(yang)是(shi)(shi)靠(kao)氧(yang)(yang)(yang)氣(qi)來產生(sheng)的(de)(de),而空(kong)(kong)氣(qi)中氧(yang)(yang)(yang)氣(qi)的(de)(de)含量只有21%,所(suo)以空(kong)(kong)氣(qi)型(xing)發生(sheng)器產生(sheng)的(de)(de)臭氧(yang)(yang)(yang)濃度相對較低(di),而瓶裝或制(zhi)氧(yang)(yang)(yang)機的(de)(de)氧(yang)(yang)(yang)氣(qi)純(chun)度都在90%以上,所(suo)以氧(yang)(yang)(yang)氣(qi)型(xing)發生(sheng)器的(de)(de)臭氧(yang)(yang)(yang)濃度較高(gao)。
3)按冷(leng)(leng)(leng)(leng)卻方式劃分,有水(shui)冷(leng)(leng)(leng)(leng)型和風冷(leng)(leng)(leng)(leng)型。臭(chou)氧(yang)消(xiao)毒機工作(zuo)時(shi)會(hui)產生大量(liang)(liang)的熱能,需要冷(leng)(leng)(leng)(leng)卻,否則臭(chou)氧(yang)會(hui)因高(gao)溫(wen)而邊產生邊分解。水(shui)冷(leng)(leng)(leng)(leng)型發生器(qi)(qi)冷(leng)(leng)(leng)(leng)卻效(xiao)果好,工作(zuo)穩(wen)定,臭(chou)氧(yang)無衰減,并能長時(shi)間連續(xu)工作(zuo),但結構復雜,成本稍高(gao)。風冷(leng)(leng)(leng)(leng)型冷(leng)(leng)(leng)(leng)卻效(xiao)果不夠(gou)理想,臭(chou)氧(yang)衰減明顯。總體性(xing)能穩(wen)定的高(gao)性(xing)能臭(chou)氧(yang)消(xiao)毒機通常都是水(shui)冷(leng)(leng)(leng)(leng)式的。風冷(leng)(leng)(leng)(leng)一般只(zhi)用(yong)于臭(chou)氧(yang)產量(liang)(liang)較小(xiao)的中低檔臭(chou)氧(yang)消(xiao)毒機。在選用(yong)發生器(qi)(qi)時(shi),應(ying)盡量(liang)(liang)選用(yong)水(shui)冷(leng)(leng)(leng)(leng)型的。
4)按介(jie)電材料(liao)(liao)劃分(fen),常見的(de)(de)有石英管(玻璃(li)的(de)(de)一(yi)種(zhong))、陶(tao)瓷(ci)(ci)板、陶(tao)瓷(ci)(ci)管、玻璃(li)管和(he)搪瓷(ci)(ci)管等(deng)幾種(zhong)類型。目前(qian)使(shi)用(yong)各類介(jie)電材料(liao)(liao)制造的(de)(de)臭(chou)(chou)氧(yang)消毒(du)機市(shi)場上均有銷售,其性能各有不(bu)同,玻璃(li)介(jie)電體成本(ben)低性能穩是人(ren)工制造臭(chou)(chou)氧(yang)使(shi)用(yong)早的(de)(de)材料(liao)(liao)之(zhi)一(yi),但(dan)機械(xie)強度差。陶(tao)瓷(ci)(ci)和(he)玻璃(li)類似但(dan)陶(tao)瓷(ci)(ci)不(bu)宜(yi)加工特別(bie)在(zai)大(da)型臭(chou)(chou)氧(yang)機中(zhong)(zhong)使(shi)用(yong)受到限制。搪瓷(ci)(ci)是一(yi)種(zhong)新型介(jie)電材料(liao)(liao),介(jie)質和(he)電極于一(yi)體機械(xie)強度高(gao)、可(ke)精密加工精度較高(gao),在(zai)大(da)中(zhong)(zhong)型臭(chou)(chou)氧(yang)消毒(du)機中(zhong)(zhong)廣泛使(shi)用(yong),但(dan)制造成本(ben)較高(gao)。
5)按臭氧消毒機結構劃分,有間(jian)隙(xi)放(fang)(fang)(fang)電(dian)(dian)(dian)式(shi)(DBD)和開(kai)放(fang)(fang)(fang)式(shi)兩(liang)種(zhong)。間(jian)隙(xi)放(fang)(fang)(fang)電(dian)(dian)(dian)式(shi)的(de)結構特(te)點是臭氧在內外電(dian)(dian)(dian)極區間(jian)的(de)間(jian)隙(xi)內產(chan)生(sheng)(sheng)臭氧,臭氧能夠集(ji)中(zhong)收集(ji)輸(shu)出使用(yong)其濃度(du)較(jiao)(jiao)高,如用(yong)于水處理。開(kai)放(fang)(fang)(fang)式(shi)發(fa)生(sheng)(sheng)器(qi)的(de)電(dian)(dian)(dian)極是裸露在空(kong)(kong)氣(qi)(qi)中(zhong)的(de),所產(chan)生(sheng)(sheng)的(de)臭氧直接擴散到空(kong)(kong)氣(qi)(qi)中(zhong),因(yin)臭氧濃度(du)較(jiao)(jiao)低(di)通常(chang)只用(yong)于較(jiao)(jiao)小空(kong)(kong)間(jian)的(de)空(kong)(kong)氣(qi)(qi)滅菌或某些小型物品表(biao)面消毒。間(jian)隙(xi)放(fang)(fang)(fang)電(dian)(dian)(dian)式(shi)發(fa)生(sheng)(sheng)器(qi)可代(dai)替開(kai)放(fang)(fang)(fang)式(shi)發(fa)生(sheng)(sheng)器(qi)使用(yong)。但間(jian)隙(xi)放(fang)(fang)(fang)電(dian)(dian)(dian)式(shi)臭氧消毒機成本遠高于開(kai)放(fang)(fang)(fang)式(shi)。
二、紫(zi)外(wai)線(xian)式臭氧消毒(du)機
紫(zi)外(wai)線式臭氧(yang)消(xiao)毒機機是使(shi)用特定波長(185mm)的紫(zi)外(wai)線照射氧(yang)分子(zi),使(shi)氧(yang)分子(zi)分解而產(chan)生臭氧(yang)。由于紫(zi)外(wai)線燈(deng)管體積大、臭氧(yang)產(chan)量(liang)低、使(shi)用壽命短,所以(yi)這種(zhong)發生器(qi)使(shi)用范圍(wei)較窄,常見于消(xiao)毒碗柜(ju)上使(shi)用。
三、電解式臭氧(yang)消毒(du)機
電(dian)(dian)解式(shi)(shi)臭(chou)(chou)氧(yang)(yang)消毒機(ji)通(tong)(tong)常是(shi)通(tong)(tong)過電(dian)(dian)解純(chun)凈水而產(chan)生(sheng)(sheng)臭(chou)(chou)氧(yang)(yang)。這(zhe)種(zhong)發(fa)生(sheng)(sheng)器能(neng)制取(qu)高濃度的(de)(de)臭(chou)(chou)氧(yang)(yang)水,制造(zao)成(cheng)本(ben)低,使(shi)用和維修簡單。但(dan)由于有臭(chou)(chou)氧(yang)(yang)產(chan)量無法做大(da)、電(dian)(dian)極使(shi)用壽命短、臭(chou)(chou)氧(yang)(yang)不(bu)容易收(shou)集(ji)等方面的(de)(de)缺點,其用途范圍(wei)受到限制。目(mu)前這(zhe)種(zhong)發(fa)生(sheng)(sheng)器只是(shi)在(zai)一些特(te)定的(de)(de)小型設備上或某些特(te)定場所內使(shi)用,不(bu)具備取(qu)代(dai)高壓放電(dian)(dian)式(shi)(shi)發(fa)生(sheng)(sheng)器的(de)(de)條(tiao)件。
但是電解式臭氧(yang)消毒機的(de)原(yuan)料是純水,所以(yi)產生的(de)臭氧(yang)濃度高(gao),更加(jia)純潔,比(bi)空(kong)氣(qi)源的(de)沒(mei)有氮氧(yang)化合物。而且臭氧(yang)水濃度高(gao)。