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內(nei)冷(leng)(leng)(leng)(leng)(leng)水(shui)(shui)(shui)樹(shu)(shu)脂(zhi)的基本(ben)組(zu)(zu)成與轉(zhuan)型(xing)(xing)發(fa)(fa)電(dian)(dian)(dian)機(ji)(ji)內(nei)冷(leng)(leng)(leng)(leng)(leng)水(shui)(shui)(shui)專用(yong)樹(shu)(shu)脂(zhi)是我公司根據(ju)我國目(mu)前發(fa)(fa)電(dian)(dian)(dian)廠的小混床裝(zhuang)置，出(chu)水(shui)(shui)(shui)要(yao)求精(jing)心(xin)，精(jing)制(zhi)研(yan)發(fa)(fa)生(sheng)產(chan)的一種即用(yong)型(xing)(xing)專用(yong)樹(shu)(shu)脂(zhi)，現場在電(dian)(dian)(dian)廠系統設備完善，除鹽(yan)水(shui)(shui)(shui)達到(dao)補水(shui)(shui)(shui)要(yao)求，即可(ke)(ke)達到(dao)電(dian)(dian)(dian)力標準。用(yong)于(yu)發(fa)(fa)電(dian)(dian)(dian)機(ji)(ji)內(nei)冷(leng)(leng)(leng)(leng)(leng)循(xun)環水(shui)(shui)(shui)的處(chu)(chu)(chu)理(li)。適用(yong)于(yu)發(fa)(fa)電(dian)(dian)(dian)機(ji)(ji)內(nei)冷(leng)(leng)(leng)(leng)(leng)水(shui)(shui)(shui)的離(li)(li)子(zi)(zi)(zi)交(jiao)(jiao)(jiao)換(huan)(huan)(huan)處(chu)(chu)(chu)理(li)及(ji)(ji)(ji)微(wei)堿性離(li)(li)子(zi)(zi)(zi)交(jiao)(jiao)(jiao)換(huan)(huan)(huan)處(chu)(chu)(chu)理(li)。該(gai)技術較補加凝結水(shui)(shui)(shui)水(shui)(shui)(shui)法(fa)及(ji)(ji)(ji)緩蝕(shi)劑(ji)處(chu)(chu)(chu)理(li)法(fa)有(you)明顯的技術優勢，通(tong)過(guo)提(ti)高(gao)內(nei)冷(leng)(leng)(leng)(leng)(leng)水(shui)(shui)(shui)的PH值，使空心(xin)導(dao)線處(chu)(chu)(chu)于(yu)相對(dui)鈍化狀態，降低(di)了銅的腐蝕(shi)速(su)率，同時離(li)(li)交(jiao)(jiao)(jiao)混床還起到(dao)了旁路過(guo)濾的作用(yong)，截留系統中原有(you)的氧(yang)化銅顆粒(li)和(he)其他腐蝕(shi)產(chan)物，減少(shao)了線棒(bang)堵塞的可(ke)(ke)能性。經處(chu)(chu)(chu)理(li)后(hou)的出(chu)水(shui)(shui)(shui)能同時滿足(zu)DL/T801-2010《大(da)型(xing)(xing)發(fa)(fa)電(dian)(dian)(dian)機(ji)(ji)內(nei)冷(leng)(leng)(leng)(leng)(leng)卻水(shui)(shui)(shui)質(zhi)及(ji)(ji)(ji)系統技術要(yao)求》中關(guan)于(yu)PH、電(dian)(dian)(dian)導(dao)率及(ji)(ji)(ji)含銅量的要(yao)求。用(yong)于(yu)發(fa)(fa)電(dian)(dian)(dian)機(ji)(ji)內(nei)冷(leng)(leng)(leng)(leng)(leng)循(xun)環水(shui)(shui)(shui)的處(chu)(chu)(chu)理(li),進水(shui)(shui)(shui)電(dian)(dian)(dian)導(dao)≤0.5μs/cm出(chu)水(shui)(shui)(shui)電(dian)(dian)(dian)導(dao)可(ke)(ke)達到(dao)≤0.15μs/cm。內(nei)冷(leng)(leng)(leng)(leng)(leng)水(shui)(shui)(shui)通(tong)過(guo)樹(shu)(shu)脂(zhi)后(hou)電(dian)(dian)(dian)阻率在15MΩ以上,按(an)要(yao)求裝(zhuang)填(tian)方法(fa)使用(yong)可(ke)(ke)達到(dao)18 MΩ。滿足(zu)發(fa)(fa)電(dian)(dian)(dian)機(ji)(ji)內(nei)冷(leng)(leng)(leng)(leng)(leng)水(shui)(shui)(shui)指標要(yao)求。適用(yong)于(yu)發(fa)(fa)電(dian)(dian)(dian)機(ji)(ji)內(nei)冷(leng)(leng)(leng)(leng)(leng)水(shui)(shui)(shui)的離(li)(li)子(zi)(zi)(zi)交(jiao)(jiao)(jiao)換(huan)(huan)(huan)處(chu)(chu)(chu)理(li)及(ji)(ji)(ji)微(wei)堿性離(li)(li)子(zi)(zi)(zi)交(jiao)(jiao)(jiao)換(huan)(huan)(huan)處(chu)(chu)(chu)理(li)。內(nei)冷(leng)(leng)(leng)(leng)(leng)水(shui)(shui)(shui)樹(shu)(shu)脂(zhi)的基本(ben)組(zu)(zu)成與轉(zhuan)型(xing)(xing)離(li)(li)子(zi)(zi)(zi)交(jiao)(jiao)(jiao)換(huan)(huan)(huan)樹(shu)(shu)脂(zhi)基本(ben)的組(zu)(zu)成離(li)(li)子(zi)(zi)(zi)交(jiao)(jiao)(jiao)換(huan)(huan)(huan)樹(shu)(shu)脂(zhi)的基體，制(zhi)造原料主要(yao)有(you)苯(ben)(ben)乙烯和(he)丙烯酸(酯)兩大(da)類，它們分別與交(jiao)(jiao)(jiao)聯劑(ji)二乙烯苯(ben)(ben)產(chan)生(sheng)聚(ju)合反(fan)應，形成具(ju)有(you)長分子(zi)(zi)(zi)主鏈及(ji)(ji)(ji)交(jiao)(jiao)(jiao)聯橫鏈的網(wang)絡骨(gu)架(jia)結構的聚(ju)合物。

　　樹脂的這兩類(lei)樹脂的吸(xi)附(fu)(fu)性能都(dou)很好，但有不(bu)同(tong)特點(dian)。丙(bing)烯酸系樹脂能交換吸(xi)附(fu)(fu)大多(duo)數離子型色(se)(se)素，脫(tuo)色(se)(se)容量(liang)大，而且吸(xi)附(fu)(fu)物較(jiao)易洗脫(tuo)，便于(yu)再生(sheng)(sheng)，在糖(tang)(tang)廠中(zhong)可用作主要的脫(tuo)色(se)(se)樹脂。苯乙烯系樹脂擅長(chang)吸(xi)附(fu)(fu)芳香族物質，善(shan)于(yu)吸(xi)附(fu)(fu)糖(tang)(tang)汁中(zhong)的多(duo)酚(fen)類(lei)色(se)(se)素(包括帶(dai)負(fu)電(dian)的或不(bu)帶(dai)電(dian)的)；但在3再生(sheng)(sheng)時較(jiao)難洗脫(tuo)。

離子交換樹脂

　　離(li)子交(jiao)換樹(shu)脂樹(shu)脂的(de)(de)(de)交(jiao)聯度(du)(du)(du)，即樹(shu)脂基體聚(ju)合(he)時(shi)所用(yong)二乙(yi)烯苯的(de)(de)(de)百分數，對(dui)樹(shu)脂的(de)(de)(de)性(xing)(xing)質(zhi)有(you)很大影響。通常，交(jiao)聯度(du)(du)(du)高的(de)(de)(de)樹(shu)脂聚(ju)合(he)得比較(jiao)(jiao)緊密(mi)，堅牢而耐(nai)用(yong)，密(mi)度(du)(du)(du)較(jiao)(jiao)高，內部(bu)空隙(xi)較(jiao)(jiao)少，對(dui)離(li)子的(de)(de)(de)選擇性(xing)(xing)較(jiao)(jiao)強;而交(jiao)聯度(du)(du)(du)低的(de)(de)(de)樹(shu)脂孔(kong)隙(xi)較(jiao)(jiao)大，脫色能力較(jiao)(jiao)強，反應速(su)度(du)(du)(du)較(jiao)(jiao)快，但在工作時(shi)的(de)(de)(de)膨脹性(xing)(xing)較(jiao)(jiao)大，機(ji)械強度(du)(du)(du)稍低，比較(jiao)(jiao)脆而易碎(sui)。

　　工業(ye)應用的離(li)子樹(shu)(shu)脂(zhi)(zhi)的交聯(lian)度一般不低于(yu)(yu)4；用于(yu)(yu)脫色的樹(shu)(shu)脂(zhi)(zhi)的交聯(lian)度一般不高(gao)于(yu)(yu)8；單純用于(yu)(yu)吸附無機(ji)離(li)子的樹(shu)(shu)脂(zhi)(zhi)，其(qi)交聯(lian)度可較高(gao)。除(chu)上(shang)述苯乙烯(xi)(xi)系(xi)和丙烯(xi)(xi)酸系(xi)這兩大系(xi)列以外，離(li)子交換(huan)樹(shu)(shu)脂(zhi)(zhi)還可由其(qi)他有機(ji)單體聚合(he)制成。如酚(fen)醛(quan)系(xi)(FP)、環氧系(xi)(EPA)、乙烯(xi)(xi)吡啶系(xi)(VP)、脲醛(quan)系(xi)(UA)等。

離子交換樹脂

　　離子交換樹脂的轉型

　　離(li)子(zi)樹脂的轉(zhuan)型(xing)以上是樹脂的四種基本類型(xing)。在實(shi)際使(shi)用(yong)上，常將這(zhe)些樹脂轉(zhuan)變為(wei)其他離(li)子(zi)型(xing)式(shi)運行，以適應各種需(xu)要。例如常將強(qiang)酸性陽離(li)子(zi)樹脂與NaCl作用(yong)，轉(zhuan)變為(wei)鈉型(xing)樹脂再使(shi)用(yong)。工作時鈉型(xing)樹脂放出Na+與溶(rong)液中的Ca2+、Mg2+等陽離(li)子(zi)交換吸附，除去這(zhe)些離(li)子(zi)。反應時沒有放出H+，可(ke)避免溶(rong)液pH下降和(he)由此產生(sheng)的副作用(yong)(如蔗糖(tang)轉(zhuan)化(hua)和(he)設備腐蝕等)。

離子交換樹脂

　　這(zhe)種樹脂(zhi)以鈉型(xing)運行(xing)使(shi)用(yong)(yong)后，可(ke)用(yong)(yong)鹽(yan)水再生(不(bu)用(yong)(yong)強酸)。又如陰離子樹脂(zhi)可(ke)轉(zhuan)變為氯型(xing)再使(shi)用(yong)(yong)，工作時放出Cl-而吸附交換其他陰離子，它的(de)再生只需用(yong)(yong)食鹽(yan)水溶(rong)液。氯型(xing)樹脂(zhi)也可(ke)轉(zhuan)變為碳(tan)酸氫型(xing)(HCO3-)運行(xing)。