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中科貝特淺談轉筒式微濾機的工作流程有哪些?

發布日期:2018-03-20        訪問(wen)次數:2815

轉筒式(shi)微(wei)濾(lv)機(ji)(ji)去除(chu)循(xun)環水中(zhong)(zhong)固態(tai)懸浮的(de)(de)功能,對系統中(zhong)(zhong)生(sheng)物(wu)(wu)濾(lv)床硝(xiao)化(hua)作(zuo)用(yong)有(you)(you)正面的(de)(de)影響。雖然(ran)氨(an)氮轉化(hua)菌的(de)(de)生(sheng)長也需要一定的(de)(de)有(you)(you)機(ji)(ji)物(wu)(wu), 魚類(lei)排泄物(wu)(wu)及餌料殘(can)渣使(shi)養殖(zhi)水體(ti)的(de)(de)有(you)(you)機(ji)(ji)物(wu)(wu)含量(liang)(liang)較高,過(guo)(guo)多的(de)(de)有(you)(you)機(ji)(ji)物(wu)(wu)會(hui)引發有(you)(you)機(ji)(ji)物(wu)(wu)消(xiao)化(hua)菌的(de)(de)繁殖(zhi),并與(yu)氨(an)氮轉化(hua)菌在生(sheng)物(wu)(wu)膜中(zhong)(zhong)競爭生(sheng)長空(kong)間、溶解氧及營(ying)養物(wu)(wu)。有(you)(you)機(ji)(ji)物(wu)(wu)消(xiao)化(hua)菌的(de)(de)繁殖(zhi)率比氨(an)氮轉化(hua)菌要快得多,這將(jiang)造(zao)成(cheng)(cheng)養殖(zhi)系統生(sheng)物(wu)(wu)過(guo)(guo)濾(lv)器(qi)氨(an)氮去除(chu)率低,例如,當生(sheng)化(hua)需氧量(liang)(liang)(COD)與(yu)氨(an)態(tai)氮之(zhi)(zhi)比大于2.7時,氨(an)氮去除(chu)率將(jiang)下降(jiang)70%左右。有(you)(you)實(shi)驗表明使(shi)用(yong)微(wei)濾(lv)機(ji)(ji),生(sheng)物(wu)(wu)濾(lv)床進、出水口(kou)之(zhi)(zhi)亞硝(xiao)酸態(tai)氮濃度(du)平(ping)均差高于0.4mg/L,不使(shi)用(yong)微(wei)濾(lv)機(ji)(ji)之(zhi)(zhi)平(ping)均濃度(du)差為0.1mg/L以(yi)下。所以(yi)微(wei)濾(lv)機(ji)(ji)對循(xun)環水養殖(zhi)系統的(de)(de)水質改善具有(you)(you)實(shi)質上的(de)(de)貢獻。對于降(jiang)低養殖(zhi)排放水對環境所造(zao)成(cheng)(cheng)的(de)(de)影響及節省(sheng)水資源,有(you)(you)的(de)(de)益處

轉(zhuan)筒式微濾(lv)(lv)機(ji)是一(yi)種(zhong)轉(zhuan)鼓(gu)(gu)(gu)式篩(shai)(shai)(shai)網(wang)(wang)過濾(lv)(lv)裝(zhuang)置。轉(zhuan)鼓(gu)(gu)(gu)附有濾(lv)(lv)網(wang)(wang),轉(zhuan)鼓(gu)(gu)(gu)置于(yu)水(shui)(shui)(shui)中(zhong)(zhong)工(gong)作時,2/5濾(lv)(lv)網(wang)(wang)浸沒在(zai)(zai)水(shui)(shui)(shui)中(zhong)(zhong),被(bei)處(chu)理的(de)(de)(de)(de)廢水(shui)(shui)(shui)沿軸向進入(ru)轉(zhuan)鼓(gu)(gu)(gu),經篩(shai)(shai)(shai)網(wang)(wang)流出(chu)(chu),水(shui)(shui)(shui)中(zhong)(zhong)雜質(細小的(de)(de)(de)(de)懸(xuan)浮物、纖維(wei)、紙漿等)即被(bei)截留于(yu)鼓(gu)(gu)(gu)筒上濾(lv)(lv)網(wang)(wang)內面(mian)。當(dang)截留在(zai)(zai)濾(lv)(lv)網(wang)(wang)上的(de)(de)(de)(de)雜質被(bei)轉(zhuan)鼓(gu)(gu)(gu)帶到上部時,被(bei)篩(shai)(shai)(shai)網(wang)(wang)外側的(de)(de)(de)(de)反(fan)(fan)沖洗水(shui)(shui)(shui)沖到排污槽內流出(chu)(chu),實(shi)現固、液兩相(xiang)分離,反(fan)(fan)沖洗受定時器(qi)或(huo)液位傳感(gan)器(qi)控制。過濾(lv)(lv)過的(de)(de)(de)(de)水(shui)(shui)(shui)又回流到池中(zhong)(zhong)循(xun)環使用(yong)(yong)(yong)。微濾(lv)(lv)機(ji)旋轉(zhuan)采用(yong)(yong)(yong)水(shui)(shui)(shui)力驅動,連續(xu)自動運轉(zhuan)。整個設(she)備采用(yong)(yong)(yong)全塑料材質,抗腐蝕性*。篩(shai)(shai)(shai)網(wang)(wang)材料為(wei)尼(ni)龍,網(wang)(wang)孔為(wei)80~300目(mu),微濾(lv)(lv)機(ji)運行(xing)時的(de)(de)(de)(de)轉(zhuan)數為(wei)1-3r/min,流量30-120m3/h,反(fan)(fan)沖洗水(shui)(shui)(shui)壓0.2~0.3MPa,沖洗水(shui)(shui)(shui)量為(wei)生產水(shui)(shui)(shui)量的(de)(de)(de)(de)0.5-1.0%。微濾(lv)(lv)機(ji)安(an)裝(zhuang)在(zai)(zai)養殖池的(de)(de)(de)(de)排水(shui)(shui)(shui)口,低(di)于(yu)地面(mian)標高,水(shui)(shui)(shui)流可自流進入(ru),水(shui)(shui)(shui)頭損失約0.5米。微濾(lv)(lv)機(ji):處(chu)理水(shui)(shui)(shui)量大,運行(xing)成(cheng)本低(di);安(an)裝(zhuang)簡單(dan),濾(lv)(lv)網(wang)(wang)更換方便(bian),維(wei)修工(gong)作量少,使用(yong)(yong)(yong)壽(shou)命長;功(gong)耗小,100m3/H功(gong)耗僅(jin)500W,。

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