1.產品簡介
根(gen)據濾(lv)(lv)(lv)(lv)料(liao)(liao)介質有(you)(you)所不同,用(yong)途與作(zuo)用(yong)也(ye)各有(you)(you)區別,一般有(you)(you)石(shi)英砂(sha)、活(huo)性碳、錳(meng)砂(sha)、無(wu)煙煤等(deng)。濾(lv)(lv)(lv)(lv)料(liao)(liao)選(xuan)用(yong)石(shi)英砂(sha)又(you)叫做石(shi)英砂(sha)過(guo)濾(lv)(lv)(lv)(lv)器,濾(lv)(lv)(lv)(lv)料(liao)(liao)選(xuan)用(yong)無(wu)煙煤稱為(wei)無(wu)煙煤過(guo)濾(lv)(lv)(lv)(lv)器,濾(lv)(lv)(lv)(lv)料(liao)(liao)選(xuan)用(yong)錳(meng)砂(sha)(除鐵、錳(meng))稱為(wei)錳(meng)砂(sha)過(guo)濾(lv)(lv)(lv)(lv)器,濾(lv)(lv)(lv)(lv)料(liao)(liao)選(xuan)用(yong)活(huo)性炭(tan)則成為(wei)活(huo)性炭(tan)過(guo)濾(lv)(lv)(lv)(lv)器。也(ye)可以組合使用(yong)。錳(meng)砂(sha)過(guo)濾(lv)(lv)(lv)(lv)器的主(zhu)要功能(neng)是清除懸(xuan)浮物、機械雜質、有(you)(you)機物,降低水的混濁(zhuo)度,吸附(fu)、去除水中的色素、余氯膠體(ti)及(ji)鐵離子等(deng),該機可根(gen)據過(guo)濾(lv)(lv)(lv)(lv)量而選(xuan)定規(gui)格的大小,使用(yong)及(ji)操作(zuo)非常(chang)簡便。
鐵(tie)(tie)(tie)(tie)和錳(meng)(meng)在(zai)地下(井)水(shui)(shui)中幾乎同時(shi)存在(zai),水(shui)(shui)中含(han)鐵(tie)(tie)(tie)(tie)量(liang)(liang)較高(gao)時(shi),水(shui)(shui)有(you)鐵(tie)(tie)(tie)(tie)腥(xing)味(wei),影響(xiang)水(shui)(shui)的口感,作為造紙、紡(fang)織、印染、化工和皮革精致等生(sheng)(sheng)產(chan)(chan)用水(shui)(shui),會(hui)降低產(chan)(chan)品(pin)質量(liang)(liang),含(han)鐵(tie)(tie)(tie)(tie)水(shui)(shui)可(ke)使(shi)生(sheng)(sheng)產(chan)(chan)用具發生(sheng)(sheng)銹斑,洗滌衣(yi)物會(hui)出現(xian)黃色(se)或(huo)(huo)棕(zong)黃色(se)斑漬,鐵(tie)(tie)(tie)(tie)質沉淀物Fe2O3會(hui)滋長鐵(tie)(tie)(tie)(tie)細菌,阻塞管道,有(you)時(shi)會(hui)出現(xian)紅水(shui)(shui)。而(er)含(han)錳(meng)(meng)量(liang)(liang)較高(gao)的水(shui)(shui)與含(han)鐵(tie)(tie)(tie)(tie)量(liang)(liang)高(gao)的情況相類似(si),如使(shi)水(shui)(shui)有(you)色(se)、嗅、味(wei),損(sun)害紡(fang)織、造紙、釀造、食品(pin)等工業產(chan)(chan)品(pin)的質量(liang)(liang),家用器具會(hui)污染成棕(zong)色(se)或(huo)(huo)黑色(se),洗滌衣(yi)物會(hui)有(you)微(wei)黑色(se)或(huo)(huo)淺灰色(se)斑漬。為此我國《生(sheng)(sheng)活飲(yin)用水(shui)(shui)衛生(sheng)(sheng)標(biao)準》(GB5749-85)規定,鐵(tie)(tie)(tie)(tie)含(han)量(liang)(liang)≤0.3㎎/L,錳(meng)(meng)含(han)量(liang)(liang)≤0.1㎎/L,超過標(biao)準的原水(shui)(shui)須經(jing)除鐵(tie)(tie)(tie)(tie)除錳(meng)(meng)處理。長時(shi)間飲(yin)用含(han)鐵(tie)(tie)(tie)(tie)含(han)錳(meng)(meng)量(liang)(liang)過高(gao)的水(shui)(shui)還會(hui)嚴(yan)重影響(xiang)身體健康,對生(sheng)(sheng)產(chan)(chan)設備腐蝕(shi)能力極強。
石(shi)英(ying)(ying)砂(sha)(sha)(sha)(sha)/錳(meng)砂(sha)(sha)(sha)(sha)過(guo)(guo)濾(lv)(lv)器是一種過(guo)(guo)濾(lv)(lv)器濾(lv)(lv)料采用石(shi)英(ying)(ying)砂(sha)(sha)(sha)(sha)或者錳(meng)砂(sha)(sha)(sha)(sha)作為填料。有(you)利于(yu)去除(chu)水(shui)(shui)(shui)(shui)中的(de)雜質。其(qi)還有(you)過(guo)(guo)濾(lv)(lv)阻力小(xiao),比表面積大,耐酸堿性強(qiang),抗污染性好等(deng)優(you)點(dian)(dian),石(shi)英(ying)(ying)砂(sha)(sha)(sha)(sha)/錳(meng)砂(sha)(sha)(sha)(sha)過(guo)(guo)濾(lv)(lv)器的(de)獨特優(you)點(dian)(dian)還在于(yu)通過(guo)(guo)優(you)化(hua)濾(lv)(lv)料和過(guo)(guo)濾(lv)(lv)器的(de)設計,實(shi)現了過(guo)(guo)濾(lv)(lv)器的(de)自適應(ying)運行(xing),濾(lv)(lv)料對原水(shui)(shui)(shui)(shui)濃度、操作條件、預處置工藝等(deng)具有(you)很強(qiang)的(de)自適應(ying)性,即在過(guo)(guo)濾(lv)(lv)時(shi)濾(lv)(lv)床(chuang)自動形成(cheng)上疏(shu)下密狀態,有(you)利于(yu)在各種運行(xing)條件下保證(zheng)出(chu)水(shui)(shui)(shui)(shui)水(shui)(shui)(shui)(shui)質,反洗時(shi)濾(lv)(lv)料充分散開(kai),清洗效(xiao)(xiao)果好。砂(sha)(sha)(sha)(sha)過(guo)(guo)濾(lv)(lv)器可(ke)有(you)效(xiao)(xiao)去除(chu)水(shui)(shui)(shui)(shui)中的(de)懸(xuan)浮物,并對水(shui)(shui)(shui)(shui)中的(de)膠體、鐵(tie)、有(you)機(ji)物、農藥、錳(meng)、細菌、病毒等(deng)污染物有(you)明顯(xian)的(de)去除(chu)作用。并具有(you)過(guo)(guo)濾(lv)(lv)速度快、過(guo)(guo)濾(lv)(lv)精(jing)度高、截污容量大等(deng)優(you)點(dian)(dian)。主要用于(yu)電(dian)力、電(dian)子、飲料、自來水(shui)(shui)(shui)(shui)、石(shi)油、化(hua)工、冶(ye)金、紡織、造紙、食(shi)品(pin)、游泳池(chi)、市政工程(cheng)等(deng)各種工藝用水(shui)(shui)(shui)(shui)、生活用水(shui)(shui)(shui)(shui)、循環用水(shui)(shui)(shui)(shui)和廢水(shui)(shui)(shui)(shui)的(de)深度處置領域。
2.處理方法
鐵錳含量過高的(de)(de)水(shui)一般(ban)都(dou)利用在催化(hua)劑(如錳砂)的(de)(de)作(zuo)用下將溶解狀態的(de)(de)二價鐵或(huo)二價錳分別(bie)氧(yang)化(hua)成不溶解的(de)(de)三價鐵或(huo)四價錳的(de)(de)化(hua)合物,利用錳砂過濾(lv)器的(de)(de)反(fan)沖(chong)洗功能達到去除(chu)凈化(hua)的(de)(de)目的(de)(de)。
4Fe2++O2+10H2O 4Fe(OH)3+8H
2Mn2++O2+2H2O 2MnO2+4H+
3.技術要求
用(yong)(yong)(yong)于(yu)地下水除(chu)(chu)(chu)鐵(tie)除(chu)(chu)(chu)錳(meng)(meng)(meng)的(de)天(tian)然(ran)錳(meng)(meng)(meng)砂,其錳(meng)(meng)(meng)的(de)形態應(ying)以氧化錳(meng)(meng)(meng)為(wei)主。含錳(meng)(meng)(meng)量(以MnO2計(ji))不(bu)應(ying)小于(yu)35%的(de)天(tian)然(ran)錳(meng)(meng)(meng)砂濾料,既可用(yong)(yong)(yong)于(yu)地下水除(chu)(chu)(chu)鐵(tie),又可用(yong)(yong)(yong)于(yu)地下水除(chu)(chu)(chu)錳(meng)(meng)(meng);含錳(meng)(meng)(meng)量為(wei)20%~30%的(de)天(tian)然(ran)錳(meng)(meng)(meng)砂濾料,只宜用(yong)(yong)(yong)于(yu)地下水除(chu)(chu)(chu)鐵(tie);含錳(meng)(meng)(meng)量小于(yu)20%的(de)錳(meng)(meng)(meng)礦砂則不(bu)宜采(cai)用(yong)(yong)(yong);宜優先(xian)采(cai)用(yong)(yong)(yong)經過科學試驗(yan)或生產使用(yong)(yong)(yong)證明能獲得良好(hao)除(chu)(chu)(chu)鐵(tie)和(he)除(chu)(chu)(chu)錳(meng)(meng)(meng)效果的(de)天(tian)然(ran)錳(meng)(meng)(meng)砂品種作(zuo)濾料。