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雙室固定床陽、陰離了交換器

一、設備簡介雙(shuang)室固(gu)定(ding)床離子(zi)交換器(qi)是聯合應用(yong)弱(ruo)型(xing)樹(shu)(shu)脂(zhi)(zhi)和強型(xing)樹(shu)(shu)脂(zhi)(zhi)的(de)(de)(de)常(chang)規一體化(hua)設備。該交換器(qi)體內設有一塊(kuai)帶水帽的(de)(de)(de)孔板(ban),將交換器(qi)隔成上(shang)、下兩室,其上(shang)室裝填弱(ruo)型(xing)樹(shu)(shu)酷,下室裝填強型(xing)樹(shu)(shu)脂(zhi)(zhi)。因該交換器(qi)運(yun)行(xing)中能(neng)充分發揮弱(ruo)型(xing)樹(shu)(shu)脂(zhi)(zhi)和強型(xing)樹(shu)(shu)脂(zhi)(zhi)聯合運(yun)行(xing)時(shi)的(de)(de)(de)優越性(xing)能(neng),故其運(yun)行(xing)出水水質好,周期工作交換容量高,再生劑比耗(hao)低。二

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一、設備簡介
  雙室固定床離子(zi)交(jiao)換(huan)器是聯合(he)應用弱(ruo)(ruo)型(xing)(xing)(xing)樹(shu)脂和強型(xing)(xing)(xing)樹(shu)脂的常規一體化設備(bei)。該(gai)交(jiao)換(huan)器體內設有(you)一塊帶水(shui)帽的孔板,將交(jiao)換(huan)器隔成上、下(xia)兩室,其(qi)上室裝(zhuang)填弱(ruo)(ruo)型(xing)(xing)(xing)樹(shu)酷,下(xia)室裝(zhuang)填強型(xing)(xing)(xing)樹(shu)脂。因(yin)該(gai)交(jiao)換(huan)器運行中(zhong)能充分發(fa)揮弱(ruo)(ruo)型(xing)(xing)(xing)樹(shu)脂和強型(xing)(xing)(xing)樹(shu)脂聯合(he)運行時的優越(yue)性能,故(gu)其(qi)運行出水(shui)水(shui)質好,周(zhou)期工作交(jiao)換(huan)容量高,再生劑比耗低。
二、運行原理
  雙室固(gu)定床(chuang)陽(yang)離(li)(li)子(zi)(zi)(zi)(zi)交(jiao)(jiao)換(huan)(huan)器(qi)(qi)運(yun)行(xing)(xing)(xing)(xing)(xing)時,水(shui)流從交(jiao)(jiao)換(huan)(huan)器(qi)(qi)頂部進(jin)入,先與上室的(de)弱酸樹脂進(jin)行(xing)(xing)(xing)(xing)(xing)離(li)(li)子(zi)(zi)(zi)(zi)交(jiao)(jiao)換(huan)(huan),以去除水(shui)中大部分(fen)碳酸鹽硬度,從而使(shi)其出水(shui)硬度與堿度有等摩(mo)爾量的(de)降低,弱酸樹脂交(jiao)(jiao)換(huan)(huan)中泄(xie)漏的(de)殘余硬度及鈉(na)離(li)(li)子(zi)(zi)(zi)(zi)隨(sui)水(shui)流進(jin)入下室,經與強酸樹脂離(li)(li)子(zi)(zi)(zi)(zi)交(jiao)(jiao)換(huan)(huan)后(hou)全(quan)部置換(huan)(huan)成氫離(li)(li)子(zi)(zi)(zi)(zi),出水(shui)從交(jiao)(jiao)換(huan)(huan)器(qi)(qi)底部引(yin)出,雙室固(gu)定床(chuang)陽(yang)離(li)(li)子(zi)(zi)(zi)(zi)交(jiao)(jiao)換(huan)(huan)器(qi)(qi)的(de)運(yun)行(xing)(xing)(xing)(xing)(xing)操作可(ke)按普(pu)通固(gu)定床(chuang)交(jiao)(jiao)換(huan)(huan)器(qi)(qi)進(jin)行(xing)(xing)(xing)(xing)(xing),其運(yun)行(xing)(xing)(xing)(xing)(xing)水(shui)質(zhi)控制同樣由交(jiao)(jiao)換(huan)(huan)器(qi)(qi)出水(shui)含 鈉(na)離(li)(li)子(zi)(zi)(zi)(zi)量來控制,當交(jiao)(jiao)換(huan)(huan)器(qi)(qi)出水(shui)含鈉(na)離(li)(li)子(zi)(zi)(zi)(zi)量超(chao)過(guo)規定指標時,交(jiao)(jiao)換(huan)(huan)器(qi)(qi)即失效停運(yun)進(jin)行(xing)(xing)(xing)(xing)(xing)再(zai)生。
  雙室固(gu)定(ding)床陰(yin)離(li)(li)子(zi)交(jiao)(jiao)(jiao)換(huan)器(qi)(qi)運行(xing)時,水(shui)(shui)(shui)(shui)流(liu)從(cong)交(jiao)(jiao)(jiao)換(huan)器(qi)(qi)頂(ding)部(bu)進(jin)(jin)入,先與上室的(de)弱(ruo)堿(jian)樹脂進(jin)(jin)行(xing)離(li)(li)子(zi)交(jiao)(jiao)(jiao)換(huan),以除(chu)去水(shui)(shui)(shui)(shui)中的(de)強(qiang)(qiang)酸(suan)陰(yin)離(li)(li)子(zi),因而其出(chu)(chu)水(shui)(shui)(shui)(shui)電導率(lv)很低。當弱(ruo)酸(suan)樹脂接近失效時強(qiang)(qiang)酸(suan)陰(yin)離(li)(li)子(zi)開始(shi)泄漏(lou),出(chu)(chu)水(shui)(shui)(shui)(shui)就呈現酸(suan)性。弱(ruo)堿(jian)樹脂無(wu)法(fa)去除(chu)的(de)硅(gui)與泄漏(lou)過(guo)的(de)強(qiang)(qiang)酸(suan)陰(yin)離(li)(li)子(zi)隨水(shui)(shui)(shui)(shui)進(jin)(jin)入下室,經強(qiang)(qiang)堿(jian)樹脂離(li)(li)子(zi)交(jiao)(jiao)(jiao)換(huan)而置換(huan)成氫氧根離(li)(li)子(zi),出(chu)(chu)水(shui)(shui)(shui)(shui)自交(jiao)(jiao)(jiao)換(huan)器(qi)(qi)底部(bu)引出(chu)(chu),雙室固(gu)定(ding)床陰(yin)離(li)(li)子(zi)交(jiao)(jiao)(jiao)換(huan)器(qi)(qi)的(de)運行(xing)操作可按普通固(gu)定(ding)床交(jiao)(jiao)(jiao)換(huan)器(qi)(qi)進(jin)(jin)行(xing),其運行(xing)水(shui)(shui)(shui)(shui)質控(kong)制同樣由交(jiao)(jiao)(jiao)換(huan)器(qi)(qi)出(chu)(chu)水(shui)(shui)(shui)(shui)含二(er)氧化硅(gui)量來(lai)控(kong)制,當交(jiao)(jiao)(jiao)換(huan)器(qi)(qi)出(chu)(chu)水(shui)(shui)(shui)(shui)含二(er)氧化硅(gui)量超過(guo)規定(ding)指標.
三、設備特點
    1.設備操作簡單,維(wei)修(xiu)方(fang)便,對進(jin)水懸浮物要求不太嚴格(ge)(濁度(du)≤5mg/l)
    2. 強弱聯合應用工藝,利用強型樹脂(zhi)具(ju)有(you)交換的徹(che)底性,弱型樹脂(zhi)具(ju)有(you)工作(zuo)交換容量大和再生劑比(bi)耗低的優(you)點。充分發(fa)揮(hui)兩種樹脂(zhi)的優(you)點,又可以(yi)互(hu)相彌補(bu)其缺(que)點,由于兩種樹脂(zhi)都得到充分發(fa)揮(hui),因此再生比(bi)耗大大降低。