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活性炭吸附設備的分類選擇

時間:2019-12-28 16:45來源:未知 作者:admin 點擊:

活性炭吸附設備可分為炭筒式活性炭箱蜂窩狀活性炭箱,兩種(zhong)不同類型的活性炭吸附設備(bei)各有其自身的優勢。

  一種是:炭筒式(shi)活(huo)性炭吸附設備選(xuan)優質(zhi)(zhi)椰(ye)子(zi)殼、竹子(zi)為(wei)原(yuan)材料,經高溫(wen)催(cui)化(hua)、活(huo)化(hua)及先進造(zao)孔技(ji)術精(jing)制而(er)成(cheng)。使其具備了廣大的(de)(de)表(biao)面(mian)積和豐富的(de)(de)與室內(nei)有害氣(qi)(qi)體分子(zi)大小相(xiang)匹配的(de)(de)孔隙結構,專用(yong)于吸附甲醛、苯(ben)系物(wu)、氨、氡、TVOC等(deng)有害氣(qi)(qi)體及空(kong)氣(qi)(qi)中的(de)(de)浮游細菌。具有吸味、去毒、除臭、去濕、防(fang)霉、殺菌、凈化(hua)等(deng)綜合功能,有效祛除室內(nei)的(de)(de)環(huan)境(jing)(jing)污(wu)染。改善車間(jian)的(de)(de)空(kong)氣(qi)(qi)質(zhi)(zhi)量和居住環(huan)境(jing)(jing),保(bao)障人(ren)體健康。廣泛(fan)用(yong)于化(hua)工(gong)廢(fei)氣(qi)(qi),新裝修居家、賓館、空(kong)調間(jian)、衛生間(jian)等(deng)需(xu)要除臭、去毒、凈化(hua)空(kong)氣(qi)(qi)的(de)(de)任何場(chang)所。

  二(er)種是:蜂窩(wo)狀活性炭吸(xi)附(fu)設備采用最新技術精(jing)制而成,外型可根據制定(ding)模(mo)具規格(ge)來(lai)生產,有長方體、圓柱等多種形態,內部可根據要求造孔(kong),孔(kong)似于蜂窩(wo)狀,產品便于在吸(xi)附(fu)裝(zhuang)置內安裝(zhuang)、拆換(huan),氣流阻力(li)小(xiao),有利大流量氣體通過。本產品將為(wei)工業、民用空氣凈化、溶劑(ji)回收(shou)等領域提供更為(wei)良好的條(tiao)件。

活性炭性能:

    活(huo)性(xing)(xing)(xing)炭用木屑、果殼、褐煤等含(han)碳(tan)物質為原料(liao),經(jing)碳(tan)化和(he)(he)(he)活(huo)化制成。有粉狀(粒(li)徑(jing)為10~50微(wei)米)和(he)(he)(he)顆粒(li)狀(粒(li)徑(jing)為0.4~2.4毫米)兩種。通性(xing)(xing)(xing)是多孔,比表(biao)面積大(da)。總表(biao)面積達每(mei)克500~1000㎡。主要性(xing)(xing)(xing)能參數(shu)是吸(xi)附(fu)(fu)(fu)容(rong)量和(he)(he)(he)吸(xi)附(fu)(fu)(fu)速率。吸(xi)附(fu)(fu)(fu)容(rong)量是單(dan)位(wei)重量活(huo)性(xing)(xing)(xing)炭達到吸(xi)附(fu)(fu)(fu)飽和(he)(he)(he)時(shi)能吸(xi)附(fu)(fu)(fu)的(de)溶質量,和(he)(he)(he)原料(liao)、制造過程(cheng)及再生方法有關。吸(xi)附(fu)(fu)(fu)容(rong)量越大(da),所(suo)用活(huo)性(xing)(xing)(xing)炭量越省。吸(xi)附(fu)(fu)(fu)速率是指(zhi)單(dan)位(wei)重量活(huo)性(xing)(xing)(xing)炭在單(dan)位(wei)時(shi)間內能吸(xi)附(fu)(fu)(fu)的(de)溶質量。因吸(xi)附(fu)(fu)(fu)有選擇(ze)性(xing)(xing)(xing),性(xing)(xing)(xing)能參數(shu)應由(you)實驗測(ce)定。顆粒(li)活(huo)性(xing)(xing)(xing)炭要有一定的(de)機械強度和(he)(he)(he)粒(li)徑(jing)規格。

   活(huo)性炭在同(tong)溫同(tong)壓下,不(bu)同(tong)吸(xi)附劑對一定分子的(de)吸(xi)附能力(li)有所不(bu)同(tong)。

  活性炭不斷(duan)吸附水中(zhong)溶(rong)(rong)質,直到吸附平衡即溶(rong)(rong)質濃(nong)度(du)不再(zai)改(gai)變時為(wei)止(zhi)。一定溫(wen)(wen)度(du)下,達到吸附平衡時,單(dan)位重量活性炭所吸附的溶(rong)(rong)質重量和水中(zhong)溶(rong)(rong)質濃(nong)度(du)的關(guan)系曲(qu)線,稱為(wei)吸附等(deng)溫(wen)(wen)線。曲(qu)線常用弗羅因德利希(xi)公式表示:X/M=kC1/n

  式中(zhong)X為活(huo)性炭吸(xi)附的溶(rong)(rong)質(zhi)量(liang);M為所加活(huo)性炭重量(liang);C為達到吸(xi)附平衡時(shi),水中(zhong)溶(rong)(rong)質(zhi)濃度;k和n為試(shi)驗得出(chu)的常數。

活性炭優點:

    椰(ye)(ye)維(wei)炭是以椰(ye)(ye)殼為原料,經高溫活(huo)化、碳(tan)化處理,同時(shi)負(fu)載光觸媒、碳(tan)纖維(wei)而成的一(yi)種新(xin)型活(huo)性(xing)炭。其對有(you)機氣體(ti)吸附(fu)(fu)能力(li)比(bi)普通(tong)活(huo)性(xing)炭高5倍至以上(shang),吸附(fu)(fu)速率更(geng)快椰(ye)(ye)維(wei)炭具(ju)有(you)發達(da)的比(bi)表面積(ji),豐富(fu)的微孔徑。比(bi)表面積(ji)可達(da)1000-1600m2/g,微孔體(ti)積(ji)90%左(zuo)右,其微孔孔徑為10A-40A。具(ju)有(you)比(bi)表面積(ji)大、孔徑適(shi)中(zhong)、分布均(jun)勻、吸附(fu)(fu)速度快、雜質(zhi)少等優(you)點 [1]

  粉狀炭編輯粉狀活性炭以優質木炭為原料,經特殊生產工藝精制而成,有物理法、化學法兩種。經水蒸氣活化后,精制處理,粉碎而成。本品外觀為黑色粉末狀,在一般溶液下均不溶解。無臭無味,具有表面積大吸附為強、純度高、濾速快、質量穩定,具有絮凝效應和助濾效應等特點。廣泛適用于食品、醫藥、味精化工等產品的脫色、除雜精制。也可以用于水的凈化處理。

活性炭應用范圍(wei):

  椰殼活(huo)(huo)性炭(tan)(tan)(tan)(tan)在(zai)廢氣(qi)(qi)(qi)處(chu)理(li)中(zhong)(zhong)(zhong)(zhong)的(de)(de)應用(yong)1.氣(qi)(qi)(qi)相吸(xi)(xi)(xi)(xi)附中(zhong)(zhong)(zhong)(zhong)常(chang)使(shi)用(yong)顆(ke)粒(li)活(huo)(huo)性炭(tan)(tan)(tan)(tan),通(tong)常(chang)是讓氣(qi)(qi)(qi)流通(tong)過(guo)活(huo)(huo)性炭(tan)(tan)(tan)(tan)層(ceng)進(jin)行(xing)吸(xi)(xi)(xi)(xi)附。根據(ju)吸(xi)(xi)(xi)(xi)附裝置中(zhong)(zhong)(zhong)(zhong)活(huo)(huo)性炭(tan)(tan)(tan)(tan)層(ceng)所處(chu)狀態的(de)(de)不同,吸(xi)(xi)(xi)(xi)附層(ceng)有(you)(you)(you)(you)(you)固定層(ceng)、移動(dong)層(ceng)和(he)流動(dong)層(ceng)幾種。但是,在(zai)電冰霜和(he)汽車(che)內的(de)(de)脫(tuo)臭(chou)器之類小型吸(xi)(xi)(xi)(xi)附器中(zhong)(zhong)(zhong)(zhong),依靠氣(qi)(qi)(qi)體的(de)(de)對(dui)流和(he)擴散進(jin)行(xing)吸(xi)(xi)(xi)(xi)附。除(chu)(chu)了顆(ke)粒(li)活(huo)(huo)性炭(tan)(tan)(tan)(tan)以(yi)外,活(huo)(huo)性炭(tan)(tan)(tan)(tan)纖維和(he)活(huo)(huo)性炭(tan)(tan)(tan)(tan)成(cheng)(cheng)(cheng)型物也正在(zai)氣(qi)(qi)(qi)相吸(xi)(xi)(xi)(xi)附中(zhong)(zhong)(zhong)(zhong)得到(dao)日益廣泛的(de)(de)應用(yong)。2.儀器室、空調室、地下室及(ji)(ji)(ji)海底(di)設施中(zhong)(zhong)(zhong)(zhong)的(de)(de)空氣(qi)(qi)(qi),由于外界污染或(huo)者受密閉環境(jing)中(zhong)(zhong)(zhong)(zhong)人群活(huo)(huo)動(dong)的(de)(de)影(ying)(ying)響(xiang),常(chang)含(han)有(you)(you)(you)(you)(you)體臭(chou)、吸(xi)(xi)(xi)(xi)煙(yan)(yan)臭(chou)、烹飪臭(chou)、油(you)、有(you)(you)(you)(you)(you)機(ji)及(ji)(ji)(ji)無(wu)機(ji)硫化(hua)(hua)物、腐(fu)蝕(shi)(shi)性成(cheng)(cheng)(cheng)分(fen)等,造成(cheng)(cheng)(cheng)精密儀表(biao)腐(fu)蝕(shi)(shi)或(huo)影(ying)(ying)響(xiang)人體健康。可用(yong)活(huo)(huo)性炭(tan)(tan)(tan)(tan)進(jin)行(xing)凈化(hua)(hua),除(chu)(chu)去(qu)(qu)雜質成(cheng)(cheng)(cheng)分(fen)。3.化(hua)(hua)工廠、皮革廠、造漆廠以(yi)及(ji)(ji)(ji)使(shi)用(yong)各種有(you)(you)(you)(you)(you)機(ji)溶劑的(de)(de)工程(cheng)排(pai)出(chu)的(de)(de)氣(qi)(qi)(qi)體中(zhong)(zhong)(zhong)(zhong),含(han)有(you)(you)(you)(you)(you)各種有(you)(you)(you)(you)(you)機(ji)溶劑、無(wu)機(ji)及(ji)(ji)(ji)有(you)(you)(you)(you)(you)機(ji)硫化(hua)(hua)物、烴類、氯(lv)氣(qi)(qi)(qi)、油(you)、汞(gong)及(ji)(ji)(ji)其他對(dui)環境(jing)有(you)(you)(you)(you)(you)害的(de)(de)成(cheng)(cheng)(cheng)分(fen),可以(yi)用(yong)活(huo)(huo)性炭(tan)(tan)(tan)(tan)進(jin)行(xing)吸(xi)(xi)(xi)(xi)附以(yi)后(hou)再排(pai)放。原(yuan)子能(neng)設施中(zhong)(zhong)(zhong)(zhong)排(pai)出(chu)的(de)(de)氣(qi)(qi)(qi)體中(zhong)(zhong)(zhong)(zhong),含(han)有(you)(you)(you)(you)(you)放射(she)性的(de)(de)氪、氙、碘等物質,必須用(yong)活(huo)(huo)性炭(tan)(tan)(tan)(tan)將(jiang)它們(men)(men)吸(xi)(xi)(xi)(xi)附干凈以(yi)后(hou)再行(xing)排(pai)放。煤、重油(you)燃燒(shao)生成(cheng)(cheng)(cheng)的(de)(de)煙(yan)(yan)氣(qi)(qi)(qi)中(zhong)(zhong)(zhong)(zhong),含(han)有(you)(you)(you)(you)(you)二氧化(hua)(hua)硫及(ji)(ji)(ji)氮氧化(hua)(hua)物,它們(men)(men)是污染大氣(qi)(qi)(qi)、形成(cheng)(cheng)(cheng)酸雨的(de)(de)有(you)(you)(you)(you)(you)害成(cheng)(cheng)(cheng)分(fen),也可以(yi)用(yong)活(huo)(huo)性炭(tan)(tan)(tan)(tan)將(jiang)它們(men)(men)吸(xi)(xi)(xi)(xi)附除(chu)(chu)去(qu)(qu)。4.椰殼活(huo)(huo)性炭(tan)(tan)(tan)(tan)用(yong)于精制氣(qi)(qi)(qi)體的(de)(de)用(yong)例(li)還很多(duo),例(li)如防毒面具、香煙(yan)(yan)過(guo)濾(lv)嘴、冰箱除(chu)(chu)臭(chou)器、汽車(che)尾氣(qi)(qi)(qi)處(chu)理(li)裝置等,都是利用(yong)活(huo)(huo)性炭(tan)(tan)(tan)(tan)卓越的(de)(de)吸(xi)(xi)(xi)(xi)附性能(neng),將(jiang)氣(qi)(qi)(qi)體中(zhong)(zhong)(zhong)(zhong)有(you)(you)(you)(you)(you)毒成(cheng)(cheng)(cheng)分(fen)、對(dui)人體不利的(de)(de)成(cheng)(cheng)(cheng)分(fen)或(huo)有(you)(you)(you)(you)(you)臭(chou)味的(de)(de)成(cheng)(cheng)(cheng)分(fen)除(chu)(chu)去(qu)(qu)。例(li)如,在(zai)香煙(yan)(yan)過(guo)濾(lv)嘴中(zhong)(zhong)(zhong)(zhong)加入100~120mg活(huo)(huo)性炭(tan)(tan)(tan)(tan)以(yi)后(hou),就能(neng)將(jiang)煙(yan)(yan)氣(qi)(qi)(qi)中(zhong)(zhong)(zhong)(zhong)對(dui)人體有(you)(you)(you)(you)(you)害的(de)(de)成(cheng)(cheng)(cheng)分(fen)除(chu)(chu)去(qu)(qu)很大一(yi)部(bu)分(fen)。

  活(huo)性(xing)炭(tan)能去除(chu)水(shui)(shui)中(zhong)產(chan)生臭味的(de)物質和有機(ji)物,如酚(fen)、苯、氯(lv)、農藥、洗(xi)滌劑(ji)、三鹵甲(jia)烷等(deng)。此(ci)外(wai),對銀(yin)、鎘(ge)、鉻酸根、氰、銻、砷、鉍、錫、汞、鉛、鎳(nie)等(deng)離子(zi)也有吸附能力(li)。在給水(shui)(shui)處理(li)廠中(zhong),活(huo)性(xing)炭(tan)吸附法又起完善水(shui)(shui)質的(de)作用。采用的(de)設備是以粒狀活(huo)性(xing)炭(tan)為濾(lv)料的(de)濾(lv)池,其構造及工作情(qing)況(kuang)和普通快濾(lv)池相似,運行過程中(zhong)須定期反復沖(chong)洗(xi),以除(chu)去炭(tan)層中(zhong)的(de)懸(xuan)游(you)物,防止水(shui)(shui)頭損失過大(見過濾(lv))。活(huo)性(xing)炭(tan)濾(lv)床也可采用流(liu)化床或移動床。與快濾(lv)池不同水(shui)(shui)流(liu)均從(cong)下而上(shang)。流(liu)化床的(de)流(liu)速使(shi)炭(tan)層膨脹(zhang),不易阻塞。移動床內失效的(de)炭(tan)從(cong)池底連(lian)續排出,新炭(tan)從(cong)池頂(ding)連(lian)續補充

  

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