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  • 2021

    5-17

    購買時,按照這5點進行比對,相信一定能買到適合您的旋轉蒸發器

    50L旋(xuan)轉(zhuan)蒸(zheng)(zheng)發(fa)器是(shi)實驗(yan)室廣泛應用的(de)(de)一種蒸(zheng)(zheng)發(fa)儀(yi)器,適用于回(hui)流操(cao)作(zuo)、大(da)量溶(rong)劑的(de)(de)快速蒸(zheng)(zheng)發(fa)、微量組分(fen)的(de)(de)濃縮和(he)需要攪拌的(de)(de)反(fan)應過(guo)程等。旋(xuan)轉(zhuan)蒸(zheng)(zheng)發(fa)器系(xi)統可以(yi)密封減(jian)(jian)壓(ya)至400~600毫米汞(gong)柱;用加熱(re)(re)浴加熱(re)(re)蒸(zheng)(zheng)餾瓶(ping)中的(de)(de)溶(rong)劑,加熱(re)(re)溫度可接近該(gai)溶(rong)劑的(de)(de)沸點;同時還可進行(xing)旋(xuan)轉(zhuan),速度為(wei)50~160轉(zhuan)/分(fen),使溶(rong)劑形成薄膜,增大(da)蒸(zheng)(zheng)發(fa)面(mian)積。此外,在高(gao)效(xiao)冷(leng)卻(que)器作(zuo)用下,可將熱(re)(re)蒸(zheng)(zheng)氣迅速液(ye)化,加快蒸(zheng)(zheng)發(fa)速率。旋(xuan)轉(zhuan)蒸(zheng)(zheng)發(fa)器主(zhu)要用于在減(jian)(jian)壓(ya)條(tiao)件下連續蒸(zheng)(zheng)餾大(da)量易揮發(fa)性溶(rong)劑。尤(you)其(qi)對(dui)萃(cui)取液(ye)的(de)(de)濃縮和(he)色(se)譜分(fen)離時的(de)(de)接收液(ye)的(de)(de)蒸(zheng)(zheng)餾,可以(yi)分(fen)離和(he)純(chun)化...
  • 2020

    12-24

    玻璃反應釜高溫試驗的2個要點

    玻(bo)(bo)璃(li)(li)反(fan)(fan)(fan)應(ying)釜(fu)(fu)為雙層(ceng)(ceng)玻(bo)(bo)璃(li)(li)設(she)計,內(nei)層(ceng)(ceng)放入反(fan)(fan)(fan)應(ying)溶(rong)媒(mei)(mei),可(ke)(ke)(ke)做攪(jiao)拌(ban)(ban)(ban)反(fan)(fan)(fan)應(ying),夾(jia)(jia)層(ceng)(ceng)可(ke)(ke)(ke)通(tong)上不(bu)同的(de)冷熱(re)源(yuan)(yuan)(冷凍(dong)(dong)液(ye)(ye),熱(re)水或(huo)(huo)(huo)熱(re)油(you))做循(xun)環加熱(re)或(huo)(huo)(huo)冷卻(que)反(fan)(fan)(fan)應(ying)。在(zai)設(she)定(ding)恒(heng)溫條件(jian)下(xia),密封的(de)玻(bo)(bo)璃(li)(li)反(fan)(fan)(fan)應(ying)釜(fu)(fu)內(nei),可(ke)(ke)(ke)根(gen)據使(shi)用(yong)要求在(zai)常壓或(huo)(huo)(huo)負壓條件(jian)下(xia)進行攪(jiao)拌(ban)(ban)(ban)反(fan)(fan)(fan)應(ying),并能進行反(fan)(fan)(fan)應(ying)溶(rong)液(ye)(ye)的(de)回(hui)流與蒸餾(liu),是現代精(jing)細化工、生物制藥和新材料合成(cheng)的(de)理想(xiang)中試、生產設(she)備。玻(bo)(bo)璃(li)(li)反(fan)(fan)(fan)應(ying)釜(fu)(fu)普遍使(shi)用(yong)。一(yi)般情況下(xia),玻(bo)(bo)璃(li)(li)反(fan)(fan)(fan)應(ying)釜(fu)(fu)在(zai)一(yi)定(ding)溫度下(xia)進行攪(jiao)拌(ban)(ban)(ban)反(fan)(fan)(fan)應(ying)。玻(bo)(bo)璃(li)(li)反(fan)(fan)(fan)應(ying)釜(fu)(fu)內(nei)層(ceng)(ceng)放置反(fan)(fan)(fan)應(ying)溶(rong)媒(mei)(mei),可(ke)(ke)(ke)作(zuo)攪(jiao)拌(ban)(ban)(ban)反(fan)(fan)(fan)應(ying),夾(jia)(jia)層(ceng)(ceng)通(tong)過冷熱(re)源(yuan)(yuan)(冷凍(dong)(dong)液(ye)(ye)、水、導熱(re)油(you))循(xun)環,可(ke)(ke)(ke)使(shi)內(nei)層(ceng)(ceng)實(shi)現恒(heng)溫加熱(re)或(huo)(huo)(huo)冷卻(que)反(fan)(fan)(fan)應(ying),...
  • 2020

    10-27

    電熱恒溫干燥箱使用的時候遇到不升溫的情況該怎么解決?

    電熱恒(heng)溫(wen)干(gan)(gan)(gan)燥(zao)(zao)(zao)箱(xiang)(xiang)_DHG-9240A適用(yong)于(yu)工(gong)礦業企業、化(hua)驗室、科(ke)研(yan)單位等(deng)部門作干(gan)(gan)(gan)燥(zao)(zao)(zao)、熔(rong)蠟、滅(mie)菌等(deng)使用(yong)。但(dan)不(bu)適用(yong)于(yu)帶揮發物的(de)及(ji)易燃易爆的(de)物品置入干(gan)(gan)(gan)燥(zao)(zao)(zao)箱(xiang)(xiang),以(yi)免引(yin)起爆炸(zha)。電熱恒(heng)溫(wen)干(gan)(gan)(gan)燥(zao)(zao)(zao)箱(xiang)(xiang)常被我(wo)們稱為干(gan)(gan)(gan)燥(zao)(zao)(zao)箱(xiang)(xiang),恒(heng)溫(wen)干(gan)(gan)(gan)燥(zao)(zao)(zao)箱(xiang)(xiang),干(gan)(gan)(gan)燥(zao)(zao)(zao)箱(xiang)(xiang)。有(you)客戶在購買電熱恒(heng)溫(wen)干(gan)(gan)(gan)燥(zao)(zao)(zao)箱(xiang)(xiang)_DHG-9240A使用(yong)的(de)時候會遇到一些(xie)不(bu)升溫(wen)的(de)情(qing)(qing)況,那么(me)遇到這樣情(qing)(qing)況的(de)原因和解決辦法是怎么(me)樣的(de)呢?不(bu)升溫(wen)情(qing)(qing)況一:加(jia)熱管(guan)(guan)接(jie)線脫落或者加(jia)熱管(guan)(guan)損壞,需(xu)要重(zhong)新接(jie)線或者更(geng)換(huan)(huan)加(jia)熱管(guan)(guan)。不(bu)升溫(wen)情(qing)(qing)況二:恒(heng)溫(wen)干(gan)(gan)(gan)燥(zao)(zao)(zao)箱(xiang)(xiang)控(kong)溫(wen)儀(yi)表損壞,需(xu)要更(geng)換(huan)(huan)控(kong)溫(wen)儀(yi)表。不(bu)升溫(wen)情(qing)(qing)況...
  • 2020

    4-15

    冷卻水循環泵的安裝步驟是什么?

    冷(leng)(leng)凍水(shui)(shui)(shui)(shui)循(xun)環(huan)泵是給(gei)中(zhong)央空調(diao)水(shui)(shui)(shui)(shui)提壓(ya)保(bao)證冷(leng)(leng)卻(que)流量的(de)(de),冷(leng)(leng)卻(que)水(shui)(shui)(shui)(shui)泵是給(gei)中(zhong)央空調(diao)比如(ru)冰水(shui)(shui)(shui)(shui)機(ji)組提供冷(leng)(leng)卻(que)水(shui)(shui)(shui)(shui)的(de)(de),冷(leng)(leng)卻(que)塔風機(ji)是給(gei)冷(leng)(leng)卻(que)水(shui)(shui)(shui)(shui)降溫的(de)(de)。冷(leng)(leng)卻(que)水(shui)(shui)(shui)(shui)循(xun)環(huan)泵適(shi)用(yong)于(yu)高壓(ya)運行系統(tong)中(zhong)輸(shu)送清水(shui)(shui)(shui)(shui)或(huo)物理(li)化(hua)學性(xing)質(zhi)的(de)(de)液(ye)體(ti),如(ru)高層建筑給(gei)水(shui)(shui)(shui)(shui)、鍋爐(lu)給(gei)水(shui)(shui)(shui)(shui)、暖(nuan)通(tong)制(zhi)冷(leng)(leng)循(xun)環(huan)、浴室等冷(leng)(leng)暖(nuan)水(shui)(shui)(shui)(shui)循(xun)環(huan)增壓(ya)及設備配套(tao),消(xiao)防系統(tong)等輸(shu)送或(huo)管道增壓(ya)之用(yong)。不(bu)同(tong)材質(zhi)的(de)(de)硬質(zhi)合金密封,保(bao)證了不(bu)同(tong)介質(zhi)輸(shu)送均無泄(xie)漏。如(ru)采用(yong)整體(ti)不(bu)銹鋼材質(zhi)制(zhi)造的(de)(de)冷(leng)(leng)卻(que)水(shui)(shui)(shui)(shui)泵,適(shi)用(yong)于(yu)化(hua)工、食品、釀造、制(zhi)藥(yao)、紡織等行業(ye)。1、要水(shui)(shui)(shui)(shui)平安裝(zhuang)在平穩(wen)、堅固(gu)的(de)(de)墻壁上(shang)。2、其進氣和出口要保(bao)持通(tong)暢。3...
  • 2019

    12-18

    磁力加熱攪拌器的溫度控制方式和溫度控制措施

    磁力加熱(re)攪(jiao)拌(ban)(ban)器(qi)(qi)是(shi)用(yong)于液(ye)體混合(he)的實驗室儀器(qi)(qi),主要用(yong)于攪(jiao)拌(ban)(ban)或同時(shi)加熱(re)攪(jiao)拌(ban)(ban)低(di)粘稠度(du)的液(ye)體或固(gu)液(ye)混合(he)物。其基本原(yuan)理是(shi)利用(yong)磁場(chang)(chang)的同性(xing)相斥(chi)、異性(xing)相吸的原(yuan)理,使(shi)用(yong)磁場(chang)(chang)推動放置在(zai)容器(qi)(qi)中(zhong)帶磁性(xing)的攪(jiao)拌(ban)(ban)子進行(xing)圓(yuan)周(zhou)運轉,從而達到(dao)攪(jiao)拌(ban)(ban)液(ye)體的目(mu)的。下面我們聊聊磁力加熱(re)攪(jiao)拌(ban)(ban)器(qi)(qi)的溫(wen)(wen)度(du)控(kong)(kong)制方式和溫(wen)(wen)度(du)控(kong)(kong)制措施(shi)。磁力攪(jiao)拌(ban)(ban)器(qi)(qi)溫(wen)(wen)度(du)控(kong)(kong)制方式通常有兩種:1、一(yi)種是(shi)電(dian)接觸(chu)汞JiKong溫(wen)(wen)度(du),另(ling)一(yi)種是(shi)通過控(kong)(kong)制溫(wen)(wen)度(du)傳感(gan)器(qi)(qi)(電(dian)動),接觸(chu)汞和電(dian)力在(zai)使(shi)用(yong)過程(cheng)中(zhong)傳感(gan)器(qi)(qi)的一(yi)端(duan)進入測量液(ye)體,另(ling)一(yi)端(duan)連接到(dao)機器(qi)(qi)上,在(zai)這個過程(cheng)中(zhong)當液(ye)體溫(wen)(wen)度(du)低(di)于設...
  • 2019

    11-4

    對于旋轉蒸發器的保養以及注意事項,你可能還不是很了解

    旋轉蒸(zheng)(zheng)發器廠家主(zhu)要用(yong)(yong)于(yu)醫藥(yao)、化工和(he)生(sheng)物(wu)制(zhi)藥(yao)等行(xing)業的(de)濃縮、結晶、干燥(zao)、分離及(ji)溶(rong)媒(mei)回(hui)收。其(qi)原理(li)為在(zai)(zai)真(zhen)空條件下,恒溫加熱,使旋轉瓶恒速旋轉,物(wu)料在(zai)(zai)瓶壁形成大(da)面(mian)積薄膜(mo),蒸(zheng)(zheng)發。溶(rong)媒(mei)蒸(zheng)(zheng)氣經玻璃冷凝器冷卻,回(hui)收于(yu)收集瓶中,大(da)大(da)提高蒸(zheng)(zheng)發效(xiao)率(lv)。特別適(shi)用(yong)(yong)對高溫容易分解(jie)變(bian)性(xing)的(de)生(sheng)物(wu)制(zhi)品的(de)濃縮提純。對于(yu)旋轉蒸(zheng)(zheng)發器的(de)保養以及(ji)注意事(shi)項,你可能(neng)還不是(shi)很了解(jie):1、用(yong)(yong)前仔(zi)細檢查儀器,玻璃瓶是(shi)否(fou)有破損,各接口(kou)是(shi)否(fou)吻(wen)合,注意輕(qing)拿輕(qing)放。2、用(yong)(yong)軟布(bu)(可用(yong)(yong)餐(can)巾紙替代)擦拭各接口(kou),然后涂(tu)抹少許真(zhen)空脂。真(zhen)空脂用(yong)(yong)后一定(ding)要蓋好(hao),...
  • 2019

    8-5

    不銹鋼高壓反應釜不可亂操作,要規范使用

    不銹鋼高(gao)壓(ya)反應釜使(shi)(shi)(shi)(shi)用(yong)(yong)中要(yao)(yao)注意哪些事項你知道(dao)嘛?使(shi)(shi)(shi)(shi)用(yong)(yong)不銹鋼高(gao)壓(ya)反應釜要(yao)(yao)規(gui)(gui)范(fan)使(shi)(shi)(shi)(shi)用(yong)(yong),下面我們(men)一起來了解下!不銹鋼高(gao)壓(ya)反應釜不可亂操作,要(yao)(yao)規(gui)(gui)范(fan)使(shi)(shi)(shi)(shi)用(yong)(yong);1、高(gao)壓(ya)反應釜要(yao)(yao)在(zai)的(de)(de)地(di)點使(shi)(shi)(shi)(shi)用(yong)(yong),并按照使(shi)(shi)(shi)(shi)用(yong)(yong)說明進(jin)行(xing)操作。2、查(cha)明刻于(yu)主體容(rong)器上的(de)(de)試驗壓(ya)力(li)、使(shi)(shi)(shi)(shi)用(yong)(yong)壓(ya)力(li)及高(gao)使(shi)(shi)(shi)(shi)用(yong)(yong)溫度等條(tiao)(tiao)件(jian),要(yao)(yao)在(zai)其容(rong)許的(de)(de)條(tiao)(tiao)件(jian)范(fan)圍內進(jin)行(xing)使(shi)(shi)(shi)(shi)用(yong)(yong)。3、壓(ya)力(li)計所使(shi)(shi)(shi)(shi)用(yong)(yong)的(de)(de)壓(ya)力(li),在(zai)其標明壓(ya)力(li)的(de)(de)1/2以內使(shi)(shi)(shi)(shi)用(yong)(yong)。并經常把壓(ya)力(li)計與標準(zhun)壓(ya)力(li)計進(jin)行(xing)比較,加以校(xiao)正。4、氧氣用(yong)(yong)的(de)(de)壓(ya)力(li)計,要(yao)(yao)避免(mian)與其它氣體用(yong)(yong)的(de)(de)壓(ya)力(li)計混用(yong)(yong)。5、安全(quan)閥及其它的(de)(de)安全(quan)裝(zhuang)置,要(yao)(yao)使(shi)(shi)(shi)(shi)用(yong)(yong)經過(guo)定...
  • 2019

    3-26

    上海不銹鋼高壓反應釜在正常運行中我們要做到那些措施?

    *上海不(bu)銹鋼(gang)高(gao)壓(ya)反(fan)應(ying)(ying)釜(fu)的核心部分是(環(huan)形(xing))強(qiang)磁(ci)力偶合攪拌裝器,由多個磁(ci)鋼(gang)環(huan)制(zhi)成(cheng)內(nei)外兩(liang)個強(qiang)大的永磁(ci)體;內(nei)磁(ci)鋼(gang)體密(mi)閉(bi)于(yu)不(bu)銹鋼(gang)制(zhi)成(cheng)的密(mi)封筒(tong)體內(nei)連接攪拌部分,密(mi)封筒(tong)體與釜(fu)蓋(gai)、釜(fu)體、緊固(gu)聯接形(xing)成(cheng)靜密(mi)封腔,使反(fan)應(ying)(ying)介質(zhi)處于(yu)靜密(mi)封狀態(tai)中,泄漏、污染和(he)人身(shen)危(wei)險。上海不(bu)銹鋼(gang)高(gao)壓(ya)反(fan)應(ying)(ying)釜(fu)廣(guang)泛適用于(yu)科(ke)研領域:石油化(hua)(hua)工(gong)、化(hua)(hua)學、制(zhi)藥、高(gao)分子(zi)、冶金、環(huan)保等化(hua)(hua)工(gong)過程領域;如高(gao)壓(ya)反(fan)應(ying)(ying),氫化(hua)(hua)反(fan)應(ying)(ying),催化(hua)(hua)反(fan)應(ying)(ying),藥物(wu)合成(cheng),高(gao)壓(ya)聚合,納米合成(cheng),條件(jian)篩(shai)選(xuan),結晶篩(shai)選(xuan),組合化(hua)(hua)學,生物(wu)質(zhi)轉換(huan),超(chao)臨界反(fan)應(ying)(ying),水熱反(fan)應(ying)(ying),高(gao)分子(zi)合成(cheng),電...
  • 2019

    1-23

    上海不銹鋼高壓反應釜密封圈的保養

    眾所皆知上(shang)海不(bu)銹鋼高壓反(fan)應釜采用靜密封(feng)(feng)結構,攪(jiao)(jiao)拌漿與電機(ji)傳動(dong)間(jian)采用強磁力(li)偶(ou)合(he)結構,由(you)于其(qi)無(wu)(wu)接觸的(de)(de)傳遞(di)力(li)矩(ju),以(yi)靜密封(feng)(feng)取(qu)代動(dong)密封(feng)(feng),能解決(jue)攪(jiao)(jiao)拌存在的(de)(de)泄漏問(wen)題,使整個介(jie)(jie)質(zhi)和攪(jiao)(jiao)拌部(bu)件處于密封(feng)(feng)的(de)(de)狀態中進行(xing)工(gong)作,因此,更適(shi)合(he)用于各(ge)種、、貴重(zhong)介(jie)(jie)質(zhi)及(ji)其(qi)它(ta)滲透力(li)的(de)(de)化(hua)(hua)學介(jie)(jie)質(zhi)進行(xing)攪(jiao)(jiao)拌反(fan)應,是石(shi)油、化(hua)(hua)工(gong)、有機(ji)合(he)成、高分子(zi)材料聚合(he)、食品等工(gong)藝(yi)中進行(xing)硫化(hua)(hua)、氟化(hua)(hua)、氫化(hua)(hua)、氧化(hua)(hua)等反(fan)應理想的(de)(de)無(wu)(wu)泄漏反(fan)應設備。上(shang)海不(bu)銹鋼高壓反(fan)應釜密封(feng)(feng)圈(quan)的(de)(de)保養,封(feng)(feng)閉體前仔細檢查釜蓋中的(de)(de)墊圈(quan)確保其(qi)完好無(wu)(wu)損。經過很多次(ci)實驗后(hou),墊圈(quan)的(de)(de)內(nei)外(wai)徑...
  • 2018

    12-24

    CCA-20冷卻液循環泵常見的四種故障

    上(shang)海越眾生產的(de)CCA-20冷(leng)卻(que)(que)液循(xun)環泵(beng)可(ke)置(zhi)于實驗臺上(shang),方向可(ke)隨意調換。–20℃的(de)冷(leng)卻(que)(que)能(neng)力,適用(yong)于搭(da)配旋(xuan)轉蒸(zheng)發儀回(hui)收低(di)沸點(dian)溶媒。液溫(wen)10℃時,冷(leng)卻(que)(que)能(neng)力可(ke)達450W(387kcal/h),可(ke)用(yong)于兩臺旋(xuan)轉蒸(zheng)發儀的(de)冷(leng)卻(que)(que)。購(gou)買選購(gou)的(de)流量調節閥,循(xun)環流量可(ke)根據(ju)需要(yao)調整,當然在使用(yong)CCA-20冷(leng)卻(que)(que)液循(xun)環泵(beng)的(de)時候我們也需要(yao)注意一(yi)些事項(xiang)來避免工作(zuo)中出現一(yi)些問題(ti)故障,下面(mian)小編來給大家(jia)講(jiang)一(yi)講(jiang)吧(ba)1.CCA-20冷(leng)卻(que)(que)液循(xun)環泵(beng)使用(yong)時發現度(du)數(shu)不(bu)顯示,這種情(qing)況下就有(you)可(ke)能(neng)是(shi)線路板連接(jie)線,是(shi)不(bu)是(shi)接(jie)觸不(bu)良(liang),傳感器...
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