液(ye)堿(jian)(jian)(jian)罐是(shi)化工行業(ye)常見的(de)設(she)備之一。該設(she)備常見的(de)問(wen)題(ti)就是(shi)腐(fu)蝕(shi)(shi)(shi)滲漏(lou)。液(ye)堿(jian)(jian)(jian)儲罐腐(fu)蝕(shi)(shi)(shi)泄漏(lou)是(shi)一種(zhong)典型的(de)應(ying)力腐(fu)蝕(shi)(shi)(shi)開(kai)(kai)裂(lie)現象，而碳鋼在(zai)堿(jian)(jian)(jian)性水溶液(ye)中(zhong)(zhong)發(fa)生(sheng)的(de)應(ying)力腐(fu)蝕(shi)(shi)(shi)開(kai)(kai)裂(lie)就是(shi)堿(jian)(jian)(jian)脆。堿(jian)(jian)(jian)脆發(fa)生(sheng)的(de)三個基(ji)本(ben)條件，即材料(liao)因素、環境(jing)因素、力學因素。碳鋼和(he)低合(he)金(jin)鋼在(zai)液(ye)堿(jian)(jian)(jian)、硝酸鹽、液(ye)氨等介質中(zhong)(zhong)容易發(fa)生(sheng)應(ying)力腐(fu)蝕(shi)(shi)(shi)破裂(lie)，裂(lie)紋形(xing)式一般是(shi)晶(jing)間裂(lie)紋。傳統保護方法主(zhu)要有(you)更換(huan)材質和(he)刷涂防護涂層（如樹(shu)脂配玻璃絲(si)布），在(zai)常規環境(jing)中(zhong)(zhong)能夠(gou)解決一定的(de)防腐(fu)問(wen)題(ti)，但特殊(shu)環境(jing)中(zhong)(zhong)由于材料(liao)性能以(yi)及操作工藝的(de)限制，難以(yi)給予長久有(you)效的(de)保護。液(ye)堿(jian)(jian)(jian)有(you)固態和(he)液(ye)態兩種(zhong)：純固體(ti)燒堿(jian)(jian)(jian)呈(cheng)白色，有(you)塊(kuai)狀(zhuang)、片狀(zhuang)、棒狀(zhuang)、粒狀(zhuang)，質脆。新吳區(qu)45%液(ye)堿(jian)(jian)(jian)批(pi)發(fa)

液(ye)(ye)(ye)(ye)堿(jian)(jian)性質(zhi)：純凈(jing)的(de)氫氧(yang)化鈉是白(bai)色(se)的(de)固(gu)體，極易溶(rong)解(jie)(jie)(jie)于水(shui)，它的(de)水(shui)溶(rong)液(ye)(ye)(ye)(ye)有(you)澀味(wei)和(he)(he)(he)滑膩感(gan)。氫氧(yang)化鈉暴露在空氣(qi)中(zhong)(zhong)時容易吸收水(shui)分(fen)，表面(mian)潮濕(shi)而(er)逐(zhu)步溶(rong)解(jie)(jie)(jie)，這種(zhong)現(xian)象叫做潮解(jie)(jie)(jie)。其相對(dui)密(mi)度(du)2. 130。熔(rong)點(dian)318.4℃。沸點(dian)1390℃。市售燒堿(jian)(jian)有(you)固(gu)態和(he)(he)(he)液(ye)(ye)(ye)(ye)態兩種(zhong)：純固(gu)體燒堿(jian)(jian)呈(cheng)白(bai)色(se)，有(you)塊狀(zhuang)、片狀(zhuang)、棒狀(zhuang)、粒狀(zhuang)，質(zhi)脆；純液(ye)(ye)(ye)(ye)體燒堿(jian)(jian)為無(wu)色(se)透(tou)明(ming)液(ye)(ye)(ye)(ye)體。固(gu)體燒堿(jian)(jian)有(you)很強(qiang)的(de)吸濕(shi)性。易溶(rong)于水(shui)，溶(rong)解(jie)(jie)(jie)時放(fang)熱，水(shui)溶(rong)液(ye)(ye)(ye)(ye)呈(cheng)堿(jian)(jian)性，有(you)滑膩感(gan)；溶(rong)于乙醇和(he)(he)(he)甘(gan)油(you)；不溶(rong)于、。腐蝕性極強(qiang)，對(dui)纖維、皮膚(fu)、玻璃、陶瓷等有(you)腐蝕作用。與金(jin)屬(shu)鋁(lv)和(he)(he)(he)鋅、非金(jin)屬(shu)硼和(he)(he)(he)硅(gui)等反(fan)應放(fang)出氫；與氯、溴(xiu)、碘等鹵素發生(sheng)歧化反(fan)應；與酸類(lei)起中(zhong)(zhong)和(he)(he)(he)作用而(er)生(sheng)成(cheng)鹽(yan)和(he)(he)(he)水(shui)。梁溪區工業級液(ye)(ye)(ye)(ye)堿(jian)(jian)量(liang)大價優液(ye)(ye)(ye)(ye)堿(jian)(jian)純品(pin)為無(wu)色(se)透(tou)明(ming)液(ye)(ye)(ye)(ye)體。相對(dui)密(mi)度(du)2.130，熔(rong)點(dian)318.4℃，沸點(dian)1390℃。

近期，國(guo)(guo)內液(ye)(ye)堿(jian)(jian)市(shi)(shi)(shi)場(chang)(chang)表現(xian)溫(wen)和(he)，局(ju)部地(di)(di)區(qu)(qu)成交價(jia)格(ge)(ge)持(chi)(chi)(chi)(chi)續下(xia)滑，目前全(quan)國(guo)(guo)32%液(ye)(ye)堿(jian)(jian)出(chu)(chu)廠均(jun)價(jia)較上月同期下(xia)調(diao)(diao)(diao)41元/噸。生產(chan)方面，南(nan)方地(di)(di)區(qu)(qu)持(chi)(chi)(chi)(chi)續高(gao)(gao)溫(wen)，部分省(sheng)份保民用電減(jian)少工業(ye)用電量，液(ye)(ye)堿(jian)(jian)裝置開(kai)工負(fu)(fu)荷下(xia)調(diao)(diao)(diao)，個別燒(shao)(shao)堿(jian)(jian)企業(ye)出(chu)(chu)現(xian)提前停車檢修現(xian)象(xiang)。此外，由(you)于(yu)液(ye)(ye)堿(jian)(jian)市(shi)(shi)(shi)場(chang)(chang)持(chi)(chi)(chi)(chi)續平(ping)淡(dan)及(ji)液(ye)(ye)氯(lv)(lv)(lv)價(jia)格(ge)(ge)持(chi)(chi)(chi)(chi)續低(di)迷(mi)，氯(lv)(lv)(lv)堿(jian)(jian)企業(ye)盈利水平(ping)不(bu)高(gao)(gao)，也是燒(shao)(shao)堿(jian)(jian)裝置開(kai)工負(fu)(fu)荷下(xia)調(diao)(diao)(diao)的(de)原因之一(yi)。下(xia)游(you)方面，氧化鋁(lv)市(shi)(shi)(shi)場(chang)(chang)持(chi)(chi)(chi)(chi)續低(di)位運(yun)行(xing)，部分企業(ye)處于(yu)虧損狀態，企業(ye)生產(chan)積極性不(bu)高(gao)(gao)，國(guo)(guo)內氧化鋁(lv)行(xing)業(ye)整體開(kai)工負(fu)(fu)荷下(xia)降，耗堿(jian)(jian)量持(chi)(chi)(chi)(chi)續減(jian)少。8月山西和(he)河南(nan)地(di)(di)區(qu)(qu)氧化鋁(lv)企業(ye)采(cai)(cai)購(gou)液(ye)(ye)堿(jian)(jian)訂單(dan)價(jia)格(ge)(ge)下(xia)調(diao)(diao)(diao)400-500元/噸（折(zhe)百），山東(dong)地(di)(di)區(qu)(qu)氧化鋁(lv)企業(ye)采(cai)(cai)購(gou)32%液(ye)(ye)堿(jian)(jian)價(jia)格(ge)(ge)下(xia)調(diao)(diao)(diao)兩次共(gong)50元/噸，對(dui)(dui)本地(di)(di)及(ji)周(zhou)邊地(di)(di)區(qu)(qu)液(ye)(ye)堿(jian)(jian)市(shi)(shi)(shi)場(chang)(chang)形成較明顯的(de)利空影響(xiang)。造紙及(ji)印染行(xing)業(ye)仍處傳統消費(fei)淡(dan)季，裝置開(kai)工負(fu)(fu)荷不(bu)足(zu)，采(cai)(cai)購(gou)液(ye)(ye)堿(jian)(jian)以按需取貨為主，大量囤貨積極性不(bu)高(gao)(gao)，對(dui)(dui)市(shi)(shi)(shi)場(chang)(chang)持(chi)(chi)(chi)(chi)觀望態度居多。其他方面，國(guo)(guo)內液(ye)(ye)氯(lv)(lv)(lv)市(shi)(shi)(shi)場(chang)(chang)持(chi)(chi)(chi)(chi)續低(di)位運(yun)行(xing)，部分地(di)(di)區(qu)(qu)商(shang)品氯(lv)(lv)(lv)倒(dao)貼運(yun)費(fei)，氯(lv)(lv)(lv)堿(jian)(jian)企業(ye)對(dui)(dui)燒(shao)(shao)堿(jian)(jian)產(chan)品存在一(yi)定保價(jia)意向。

液堿(jian)(jian)是重(zhong)要的(de)化工基(ji)礎原(yuan)料(liao)(liao)，用(yong)(yong)途極廣。化學工業(ye)用(yong)(yong)于制造甲酸(suan)、草(cao)酸(suan)、硼(peng)砂、苯酚(fen)、及肥皂、合成脂肪酸(suan)、合成洗(xi)(xi)滌劑(ji)(ji)(ji)等。紡織印染(ran)工業(ye)用(yong)(yong)作(zuo)(zuo)棉布退漿劑(ji)(ji)(ji)、煮練劑(ji)(ji)(ji)、絲光劑(ji)(ji)(ji)和(he)(he)還原(yuan)染(ran)料(liao)(liao)、海昌藍染(ran)料(liao)(liao)的(de)溶劑(ji)(ji)(ji)。冶煉工業(ye)用(yong)(yong)制造氫(qing)氧(yang)化鋁、氧(yang)化鋁及金屬表面處(chu)理劑(ji)(ji)(ji)。儀器工業(ye)用(yong)(yong)作(zuo)(zuo)酸(suan)中和(he)(he)劑(ji)(ji)(ji)、脫(tuo)色劑(ji)(ji)(ji)、脫(tuo)臭(chou)劑(ji)(ji)(ji)。膠粘劑(ji)(ji)(ji)工業(ye)用(yong)(yong)作(zuo)(zuo)淀(dian)粉糊(hu)化劑(ji)(ji)(ji)、中和(he)(he)劑(ji)(ji)(ji)。另外，在搪瓷、醫藥、化妝品(pin)(pin)、制革、涂料(liao)(liao)、農(nong)藥、玻璃等工業(ye)都有很廣應用(yong)(yong)。精煉石油石油產(chan)品(pin)(pin)經(jing)硫(liu)酸(suan)洗(xi)(xi)滌后，還含(han)有一(yi)些酸(suan)性物質必(bi)須用(yong)(yong)氫(qing)氧(yang)化鈉溶液洗(xi)(xi)滌，再(zai)經(jing)水洗(xi)(xi)，才能得(de)到精制產(chan)品(pin)(pin)。求液堿(jian)(jian)濃度和(he)(he)比(bi)重(zhong)對(dui)應值?

工(gong)業(ye)(ye)級液(ye)(ye)(ye)(ye)(ye)堿(jian)(jian)是一種強(qiang)堿(jian)(jian)性(xing)(xing)化學物(wu)質(zhi)(zhi)(zhi)，具有(you)以(yi)(yi)下特(te)點：1.高度(du)腐(fu)(fu)蝕性(xing)(xing)：液(ye)(ye)(ye)(ye)(ye)堿(jian)(jian)具有(you)強(qiang)烈的(de)腐(fu)(fu)蝕性(xing)(xing)，能(neng)夠腐(fu)(fu)蝕金(jin)(jin)屬、皮膚和(he)(he)(he)眼睛等(deng)物(wu)質(zhi)(zhi)(zhi)，因(yin)此在使用(yong)(yong)(yong)(yong)時需要特(te)別小(xiao)(xiao)心。2.強(qiang)堿(jian)(jian)性(xing)(xing)：液(ye)(ye)(ye)(ye)(ye)堿(jian)(jian)的(de)pH值通常(chang)在12以(yi)(yi)上，具有(you)強(qiang)堿(jian)(jian)性(xing)(xing)，能(neng)夠中(zhong)和(he)(he)(he)酸性(xing)(xing)物(wu)質(zhi)(zhi)(zhi)。3.溶解性(xing)(xing)強(qiang)：液(ye)(ye)(ye)(ye)(ye)堿(jian)(jian)能(neng)夠溶解許多(duo)有(you)機物(wu)和(he)(he)(he)無機物(wu)，因(yin)此在化工(gong)、制(zhi)藥、紡(fang)(fang)織等(deng)行業(ye)(ye)中(zhong)有(you)廣(guang)(guang)泛(fan)的(de)應(ying)用(yong)(yong)(yong)(yong)。4.高效(xiao)清(qing)洗(xi)(xi)：液(ye)(ye)(ye)(ye)(ye)堿(jian)(jian)能(neng)夠有(you)效(xiao)地清(qing)洗(xi)(xi)油(you)污(wu)、污(wu)漬和(he)(he)(he)污(wu)垢等(deng)物(wu)質(zhi)(zhi)(zhi)，因(yin)此在清(qing)洗(xi)(xi)行業(ye)(ye)中(zhong)也有(you)廣(guang)(guang)泛(fan)的(de)應(ying)用(yong)(yong)(yong)(yong)。液(ye)(ye)(ye)(ye)(ye)堿(jian)(jian)的(de)應(ying)用(yong)(yong)(yong)(yong)：1.化工(gong)行業(ye)(ye)：液(ye)(ye)(ye)(ye)(ye)堿(jian)(jian)可(ke)(ke)以(yi)(yi)用(yong)(yong)(yong)(yong)于生(sheng)產合成(cheng)纖維、合成(cheng)樹脂、合成(cheng)橡(xiang)膠等(deng)化工(gong)產品(pin)。2.制(zhi)藥行業(ye)(ye)：液(ye)(ye)(ye)(ye)(ye)堿(jian)(jian)可(ke)(ke)以(yi)(yi)用(yong)(yong)(yong)(yong)于制(zhi)造藥品(pin)原料、中(zhong)間體和(he)(he)(he)藥品(pin)成(cheng)品(pin)。3.紡(fang)(fang)織行業(ye)(ye)：液(ye)(ye)(ye)(ye)(ye)堿(jian)(jian)可(ke)(ke)以(yi)(yi)用(yong)(yong)(yong)(yong)于紡(fang)(fang)織品(pin)的(de)漂白、染色和(he)(he)(he)整理等(deng)工(gong)藝(yi)。4.清(qing)洗(xi)(xi)行業(ye)(ye)：液(ye)(ye)(ye)(ye)(ye)堿(jian)(jian)可(ke)(ke)以(yi)(yi)用(yong)(yong)(yong)(yong)于清(qing)洗(xi)(xi)機械設(she)備、汽車、建筑(zhu)物(wu)等(deng)物(wu)體的(de)表面(mian)。5.礦業(ye)(ye)行業(ye)(ye)：液(ye)(ye)(ye)(ye)(ye)堿(jian)(jian)可(ke)(ke)以(yi)(yi)用(yong)(yong)(yong)(yong)于提取金(jin)(jin)屬、礦物(wu)和(he)(he)(he)煤(mei)炭等(deng)物(wu)質(zhi)(zhi)(zhi)。總之(zhi)，液(ye)(ye)(ye)(ye)(ye)堿(jian)(jian)在工(gong)業(ye)(ye)生(sheng)產中(zhong)有(you)著(zhu)廣(guang)(guang)泛(fan)的(de)應(ying)用(yong)(yong)(yong)(yong)，但由于其腐(fu)(fu)蝕性(xing)(xing)強(qiang)，使用(yong)(yong)(yong)(yong)時需要特(te)別小(xiao)(xiao)心，以(yi)(yi)免造成(cheng)人身(shen)傷害和(he)(he)(he)環境污(wu)染。液(ye)(ye)(ye)(ye)(ye)堿(jian)(jian)對(dui)于調整酸堿(jian)(jian)平(ping)衡、催化和(he)(he)(he)氧(yang)化還原反應(ying)都有(you)重(zhong)要作(zuo)用(yong)(yong)(yong)(yong)。梁溪區精制(zhi)液(ye)(ye)(ye)(ye)(ye)堿(jian)(jian)價(jia)格

液堿在食(shi)品行業(ye)中可用于制作豆腐、粉絲等傳(chuan)統食(shi)品，具有獨(du)特的口感(gan)和(he)營養(yang)價值。新吳區45%液堿批發

當溶(rong)(rong)(rong)成濃(nong)液(ye)堿后，大(da)部分(fen)(fen)雜(za)質(zhi)會上浮液(ye)面，可分(fen)(fen)離除去。固體燒堿有很強(qiang)的(de)吸濕性，易溶(rong)(rong)(rong)于水，溶(rong)(rong)(rong)解(jie)時放熱，所成溶(rong)(rong)(rong)液(ye)呈(cheng)強(qiang)堿性，有滑膩(ni)的(de)觸感和(he)苦味，能(neng)使紅大(da)氣(qi)層石蕊(rui)試紙變藍色，使酚酞溶(rong)(rong)(rong)液(ye)呈(cheng)紅色。也易溶(rong)(rong)(rong)于乙醇及(ji)甘油，不溶(rong)(rong)(rong)于、、乙酸。與酸相遇則起中和(he)作用而成鹽和(he)水。有皂化油脂的(de)能(neng)力，生成皂與甘油。極(ji)易吸收(shou)空氣(qi)中二氧化碳(tan)和(he)水分(fen)(fen)變成碳(tan)酸鹽。與氯、溴、碘(dian)等(deng)鹵素發生歧化反(fan)應。與金(jin)(jin)屬鋁鋅及(ji)非金(jin)(jin)屬硅、硼等(deng)反(fan)應放出(chu)氫。腐蝕(shi)性極(ji)強(qiang)，對皮膚、纖維(wei)、玻璃、陶瓷等(deng)均有腐蝕(shi)作用。新吳區45%液(ye)堿批發