樹脂對使用溫度的要求及注意事項
重(zhong)慶(qing)恒諾水(shui)(shui)(shui)(shui)處(chu)理(li)(li)設(she)(she)備(bei)(bei)有限公司從事水(shui)(shui)(shui)(shui)處(chu)理(li)(li)事業十多(duo)年,已成為重(zhong)慶(qing)純(chun)(chun)水(shui)(shui)(shui)(shui)、超純(chun)(chun)水(shui)(shui)(shui)(shui)設(she)(she)備(bei)(bei),重(zhong)慶(qing)實(shi)驗(yan)室超純(chun)(chun)水(shui)(shui)(shui)(shui)設(she)(she)備(bei)(bei),重(zhong)慶(qing)工業電(dian)子級超純(chun)(chun)水(shui)(shui)(shui)(shui)設(she)(she)備(bei)(bei),重(zhong)慶(qing)實(shi)驗(yan)室廢(fei)水(shui)(shui)(shui)(shui)系統(tong),重(zhong)慶(qing)礦用(yong)水(shui)(shui)(shui)(shui)處(chu)理(li)(li)設(she)(she)備(bei)(bei)的專業生產廠(chang)家,致力于為客戶提供優(you)質的水(shui)(shui)(shui)(shui)處(chu)理(li)(li)解(jie)決方案,今天分享樹(shu)脂對使用(yong)溫度的要求(qiu)及注(zhu)意事項,供大家參考。
一、樹脂對使用的溫度有何要求?
各(ge)種樹(shu)(shu)脂(zhi)(zhi)(zhi)(zhi)(zhi)均具(ju)一定的(de)(de)耐熱(re)性(xing)(xing)能(neng)(neng),在使用中對溫(wen)度(du)(du)要(yao)求都有一定的(de)(de)界限,過(guo)高(gao)或(huo)過(guo)低都會嚴(yan)重影響(xiang)樹(shu)(shu)脂(zhi)(zhi)(zhi)(zhi)(zhi)的(de)(de)機(ji)械強(qiang)度(du)(du)和交換容量(liang)。溫(wen)度(du)(du)過(guo)低如小于(yu)或(huo)等于(yu)0℃時(shi),樹(shu)(shu)脂(zhi)(zhi)(zhi)(zhi)(zhi)易凍(dong)結,使機(ji)械強(qiang)度(du)(du)降低,顆粒破碎,從(cong)而影響(xiang)樹(shu)(shu)脂(zhi)(zhi)(zhi)(zhi)(zhi)的(de)(de)使用壽命(ming)、降低交換容量(liang);溫(wen)度(du)(du)過(guo)高(gao),會引(yin)起樹(shu)(shu)脂(zhi)(zhi)(zhi)(zhi)(zhi)熱(re)分(fen)解,也影響(xiang)樹(shu)(shu)脂(zhi)(zhi)(zhi)(zhi)(zhi)的(de)(de)交換容量(liang)和使用壽命(ming)。各(ge)種樹(shu)(shu)脂(zhi)(zhi)(zhi)(zhi)(zhi)的(de)(de)耐熱(re)性(xing)(xing)能(neng)(neng)應由鑒定試驗來(lai)確定。但(dan)一般(ban)(ban)來(lai)說,陽樹(shu)(shu)脂(zhi)(zhi)(zhi)(zhi)(zhi)比陰(yin)樹(shu)(shu)脂(zhi)(zhi)(zhi)(zhi)(zhi)的(de)(de)耐熱(re)性(xing)(xing)能(neng)(neng)好。鹽型(xing)樹(shu)(shu)脂(zhi)(zhi)(zhi)(zhi)(zhi)比H型(xing)或(huo)OH型(xing)好,而鹽型(xing)又以Na型(xing)樹(shu)(shu)脂(zhi)(zhi)(zhi)(zhi)(zhi)耐熱(re)性(xing)(xing)能(neng)(neng)最好。一般(ban)(ban)的(de)(de)陽樹(shu)(shu)脂(zhi)(zhi)(zhi)(zhi)(zhi)可(ke)(ke)耐100~110℃,陰(yin)樹(shu)(shu)脂(zhi)(zhi)(zhi)(zhi)(zhi)可(ke)(ke)耐50~60℃(強(qiang)堿(jian)性(xing)(xing))。而弱(ruo)堿(jian)陰(yin)樹(shu)(shu)脂(zhi)(zhi)(zhi)(zhi)(zhi)的(de)(de)耐熱(re)性(xing)(xing)能(neng)(neng)要(yao)比強(qiang)堿(jian)性(xing)(xing)的(de)(de)好,一般(ban)(ban)可(ke)(ke)耐80~90℃。因此(ci),樹(shu)(shu)脂(zhi)(zhi)(zhi)(zhi)(zhi)在使用時(shi),對于(yu)水溫(wen)要(yao)有嚴(yan)格的(de)(de)控制。
二、使用樹脂注意事項
1、離子交(jiao)換樹脂含有一(yi)定水(shui)(shui)份,不宜露天存(cun)放(fang),儲運過程(cheng)中應保持(chi)濕潤,以免(mian)風干脫(tuo)水(shui)(shui),使樹脂破碎(sui),如(ru)貯存(cun)過程(cheng)中樹脂脫(tuo)水(shui)(shui)了,應先用濃食鹽水(shui)(shui)(10%)浸泡,再逐漸稀釋,不得直接放(fang)入(ru)水(shui)(shui)中,以免(mian)樹脂急劇(ju)膨(peng)脹(zhang)而破碎(sui)。
2、冬(dong)季(ji)儲(chu)運使用中,應保持在5-40℃的(de)溫度環(huan)境中,避免過冷(leng)或過熱,影響質(zhi)量(liang),若(ruo)冬(dong)季(ji)沒有(you)保溫設(she)備時,可(ke)將樹脂(zhi)貯存(cun)在食鹽水中,食鹽水濃(nong)度可(ke)根據氣(qi)溫而(er)定。
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