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id="h9bpkuijf" class="ny_banner"><img src="/skins/30724/images/jswz.png" /></div> <script src="http://www.hbzhan.com/mystat.aspx?u=scjjy"></script> <div id="h9bpkuijf" class="ly_crumb"> <img src="/skins/30724/images/crumb_icon.png" /><p>當(dāng)前位置：<a href="/">首頁(yè)</a> > <a href="/article.html">技術(shù)文章</a> > <span>混合離子交換器的安裝不可出錯(cuò)</span></p> </div> <div id="h9bpkuijf" class="ly_NyNewsdetail"> <h1 class="NyNewsdetail_title">混合離子交換器的安裝不可出錯(cuò)</h1> <div id="h9bpkuijf" class="NyNewsdetail_tips">更新時(shí)間：2020-11-18 點(diǎn)擊次數(shù)：1680</div> <div id="h9bpkuijf" class="NyNewsdetail_con"> <div>　　<a href="http://www.tspower.com.cn/Products-775565.html" target="_blank"><strong>混合離子交換器</strong></a>簡(jiǎn)稱(chēng)為混床，就是陽(yáng)、陰兩種離子交換樹(shù)脂，互相充分地混合在一個(gè)離子交換器內(nèi)，同時(shí)進(jìn)行陽(yáng)、陰離子交換的設(shè)備。就是把一定比例的陽(yáng)、陰離子交換樹(shù)脂混合裝填于同一交換裝置中，對(duì)流體中的離子進(jìn)行交換、脫除。由于陽(yáng)樹(shù)脂的比重比陰樹(shù)脂大，所以在混床內(nèi)陰樹(shù)脂在上陽(yáng)樹(shù)脂在下。</div><div>　　當(dāng)交換樹(shù)脂飽和（失效）后，停運(yùn)對(duì)罐體內(nèi)陰、陽(yáng)樹(shù)脂分別進(jìn)行酸堿再生，強(qiáng)酸性陽(yáng)離子交換樹(shù)脂可用4-10%的鹽酸（HCl），強(qiáng)堿性陰離子交換樹(shù)脂可用4-10%的氫氧化鈉（NaOH）再生。而“拋光混床”內(nèi)的樹(shù)脂為一次性使用，不可再重復(fù)使用。</div><div>　　混合離子交換器的安裝：</div><div>　　1、設(shè)備應(yīng)安裝垂直，外壁垂直誤差應(yīng)小于其高度的0.25%。</div><div>　　2、樹(shù)脂的裝填：當(dāng)離子交換器均需要裝填樹(shù)脂時(shí)，先把陰樹(shù)脂裝填到陰離子交換器內(nèi)，后把陽(yáng)樹(shù)脂裝填到陽(yáng)離子交換器內(nèi)，以防止陽(yáng)樹(shù)脂夾帶到陰離子交換器內(nèi)而影響到陰離子交換器的出水水質(zhì)。樹(shù)脂裝填到上部視鏡的中部即可。</div><div>　　3、陽(yáng)、陰樹(shù)脂的預(yù)處理：陽(yáng)樹(shù)脂及陰樹(shù)脂裝填完畢后，用10%的氧氣鈉(NaC1)溶液加1%的氫氧化鈉(Na(OH))溶液對(duì)樹(shù)脂浸泡12-24小時(shí)。溶液的總量約等于陰、陽(yáng)樹(shù)脂的體積。然后用水沖洗到PH值在8-9之間即可。用PH試紙檢測(cè)。</div><div>　　混合離子交換器是指水依次通過(guò)裝有氫型陽(yáng)離子交換樹(shù)脂的陽(yáng)床和裝有氫氧型陰子交換樹(shù)脂的陰床的系統(tǒng)，氫型陽(yáng)交換床用于除去水中的陽(yáng)離子；氫氧型陰交換床用于除去水中的陰離子。通過(guò)復(fù)床可將水中的種礦物鹽基本除去。為了獲取較好的除鹽效果，陽(yáng)床內(nèi)裝載強(qiáng)酸陽(yáng)離子交換樹(shù)脂，陰床一般內(nèi)裝載強(qiáng)堿陰離子交換樹(shù)脂。混床也分為體內(nèi)同步再生式混床和體外再生式混床。</div> 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