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2023
7-5

催化劑評價裝置的作用與原理介紹在(zai)當今的(de)化(hua)(hua)(hua)學工(gong)業中，催(cui)化(hua)(hua)(hua)劑(ji)(ji)(ji)(ji)的(de)重(zhong)要性(xing)不言而(er)喻。催(cui)化(hua)(hua)(hua)劑(ji)(ji)(ji)(ji)評(ping)(ping)價裝(zhuang)(zhuang)置(zhi)作(zuo)為評(ping)(ping)估和篩(shai)選催(cui)化(hua)(hua)(hua)劑(ji)(ji)(ji)(ji)性(xing)能(neng)的(de)關鍵工(gong)具(ju)，對(dui)化(hua)(hua)(hua)工(gong)產業的(de)升(sheng)級起到(dao)了(le)核心推動(dong)作(zuo)用(yong)。是一種(zhong)用(yong)于評(ping)(ping)估和篩(shai)選催(cui)化(hua)(hua)(hua)劑(ji)(ji)(ji)(ji)性(xing)能(neng)的(de)設備。在(zai)化(hua)(hua)(hua)學反應(ying)中，催(cui)化(hua)(hua)(hua)劑(ji)(ji)(ji)(ji)可以有效地提(ti)高反應(ying)速率和選擇(ze)性(xing)，從而(er)降(jiang)低(di)反應(ying)條件(jian)，提(ti)高產品質量。而(er)催(cui)化(hua)(hua)(hua)劑(ji)(ji)(ji)(ji)評(ping)(ping)價裝(zhuang)(zhuang)置(zhi)則能(neng)幫助(zhu)我們找(zhao)到(dao)合適的(de)催(cui)化(hua)(hua)(hua)劑(ji)(ji)(ji)(ji)。催(cui)化(hua)(hua)(hua)劑(ji)(ji)(ji)(ji)評(ping)(ping)價裝(zhuang)(zhuang)置(zhi)的(de)基本(ben)工(gong)作(zuo)原理包括以下幾個方面：首先，它通過(guo)模(mo)擬實際反應(ying)的(de)條件(jian)，如溫度、壓力、原料濃(nong)度等，來(lai)評(ping)(ping)估催(cui)化(hua)(hua)(hua)劑(ji)(ji)(ji)(ji)的(de)性(xing)能(neng)；其次，它通過(guo)測量反應(ying)前后的(de)物(wu)質濃(nong)度，計算反應(ying)速率和選擇(ze)性(xing)；...
2023
6-30

固定床反應器是工業化生產中的關鍵技術固(gu)(gu)定(ding)床(chuang)(chuang)(chuang)反(fan)(fan)應(ying)(ying)器是(shi)一種(zhong)(zhong)在(zai)化(hua)學工(gong)業(ye)中廣泛使用的(de)(de)(de)關鍵裝置。它以(yi)(yi)其高效、可(ke)控和經濟的(de)(de)(de)特點成為各種(zhong)(zhong)化(hua)學反(fan)(fan)應(ying)(ying)過(guo)程的(de)(de)(de)選擇。固(gu)(gu)定(ding)床(chuang)(chuang)(chuang)反(fan)(fan)應(ying)(ying)器的(de)(de)(de)原理(li)基于固(gu)(gu)體催化(hua)劑(ji)與(yu)氣相或液相反(fan)(fan)應(ying)(ying)物之間的(de)(de)(de)接觸(chu)和反(fan)(fan)應(ying)(ying)。催化(hua)劑(ji)通常以(yi)(yi)顆粒(li)狀填(tian)充在(zai)反(fan)(fan)應(ying)(ying)器的(de)(de)(de)固(gu)(gu)定(ding)床(chuang)(chuang)(chuang)內，反(fan)(fan)應(ying)(ying)物經過(guo)該(gai)床(chuang)(chuang)(chuang)時與(yu)催化(hua)劑(ji)發(fa)生反(fan)(fan)應(ying)(ying)。反(fan)(fan)應(ying)(ying)后的(de)(de)(de)產(chan)物則(ze)從(cong)床(chuang)(chuang)(chuang)內流出。這種(zhong)(zhong)結構(gou)使得固(gu)(gu)定(ding)床(chuang)(chuang)(chuang)反(fan)(fan)應(ying)(ying)器具有優秀的(de)(de)(de)傳(chuan)質(zhi)和傳(chuan)熱(re)性(xing)能，從(cong)而(er)提高了反(fan)(fan)應(ying)(ying)速率和選擇性(xing)。固(gu)(gu)定(ding)床(chuang)(chuang)(chuang)反(fan)(fan)應(ying)(ying)器的(de)(de)(de)設(she)計考慮到多個因素。首先是(shi)床(chuang)(chuang)(chuang)層的(de)(de)(de)選擇和優化(hua)。床(chuang)(chuang)(chuang)層的(de)(de)(de)密度、孔隙結構(gou)和活性(xing)物質(zhi)的(de)(de)(de)分布(bu)等參數需要(yao)進行合(he)理(li)設(she)計，以(yi)(yi)確保(bao)催...
2023
6-27

分析固定床反應器的優勢與不足在(zai)(zai)固定(ding)床反(fan)(fan)應(ying)(ying)(ying)(ying)器(qi)(qi)(qi)中，催化(hua)劑(ji)通(tong)常(chang)被填充到反(fan)(fan)應(ying)(ying)(ying)(ying)器(qi)(qi)(qi)內部(bu)的(de)(de)(de)固定(ding)床中，氣(qi)(qi)體經過(guo)(guo)該(gai)床時進(jin)入催化(hua)劑(ji)并進(jin)行反(fan)(fan)應(ying)(ying)(ying)(ying)。這種反(fan)(fan)應(ying)(ying)(ying)(ying)器(qi)(qi)(qi)的(de)(de)(de)設計非常(chang)簡單，易于維護和控(kong)制，因此廣泛用于化(hua)學工業(ye)生(sheng)產中，例(li)如制造合(he)成氣(qi)(qi)、甲醇、氫氣(qi)(qi)、氨(an)(an)等(deng)。常(chang)見的(de)(de)(de)應(ying)(ying)(ying)(ying)用是合(he)成氨(an)(an)的(de)(de)(de)生(sheng)產。在(zai)(zai)該(gai)過(guo)(guo)程(cheng)中，氮氣(qi)(qi)和氫氣(qi)(qi)在(zai)(zai)催化(hua)劑(ji)的(de)(de)(de)作用下(xia)反(fan)(fan)應(ying)(ying)(ying)(ying)生(sheng)成氨(an)(an)氣(qi)(qi)。其(qi)主要優勢(shi)包括(kuo)以下(xia)幾點：1.高(gao)(gao)效性：具有更高(gao)(gao)的(de)(de)(de)催化(hua)劑(ji)利用率(lv)(lv)和反(fan)(fan)應(ying)(ying)(ying)(ying)效率(lv)(lv)。催化(hua)劑(ji)可以在(zai)(zai)反(fan)(fan)應(ying)(ying)(ying)(ying)器(qi)(qi)(qi)中保持固定(ding)狀態，使得(de)反(fan)(fan)應(ying)(ying)(ying)(ying)物(wu)在(zai)(zai)催化(hua)劑(ji)上的(de)(de)(de)停留時間延(yan)長，從而提高(gao)(gao)反(fan)(fan)應(ying)(ying)(ying)(ying)速率(lv)(lv)，同(tong)時也能(neng)夠(gou)減小(xiao)反(fan)(fan)應(ying)(ying)(ying)(ying)物(wu)的(de)(de)(de)過(guo)(guo)量使用。2.穩(wen)定(ding)性：通(tong)...
2023
6-25

展會直擊|上海巖征參加cphi 本屆展(zhan)(zhan)會覆蓋了(le)制藥產業(ye)(ye)(ye)鏈的十(shi)五大細分領(ling)域，將以200,000+㎡展(zhan)(zhan)覽面積，攜手55,000+人次海內(nei)外(wai)觀眾及3,300+家海內(nei)外(wai)展(zhan)(zhan)商齊聚一堂。展(zhan)(zhan)會緊跟國內(nei)外(wai)行業(ye)(ye)(ye)政策，把握業(ye)(ye)(ye)內(nei)創新趨勢，利用豐厚(hou)的行業(ye)(ye)(ye)資源，為專(zhuan)業(ye)(ye)(ye)人士提供一體化解決方案，助力企(qi)業(ye)(ye)(ye)優(you)化戰略布(bu)局，開拓投資貿易商機。現場(chang)直擊參(can)展(zhan)(zhan)儀器(qi)固定(ding)(ding)床(chuang)(chuang)上海巖征生產的固定(ding)(ding)床(chuang)(chuang)反(fan)(fan)應(ying)(ying)裝(zhuang)置，又稱(cheng)“微型反(fan)(fan)應(ying)(ying)器(qi)“或“實驗室反(fan)(fan)應(ying)(ying)器(qi)“,該裝(zhuang)置主(zhu)要為中(zhong)、低壓通用型氣(qi)-固-液(ye)催(cui)化反(fan)(fan)應(ying)(ying)裝(zhuang)置；主(zhu)要包括固定(ding)(ding)床(chuang)(chuang)金屬反(fan)(fan)應(ying)(ying)器(qi)，程序升溫(wen)高溫(wen)爐。系統反(fan)(fan)應(ying)(ying)物(wu)可以擴展(zhan)(zhan)多路氣(qi)...
2023
4-25

固定床反應器的優點介紹隨著化(hua)學(xue)工業的(de)不(bu)斷發(fa)展，各類催(cui)化(hua)劑(ji)的(de)應(ying)(ying)(ying)(ying)用(yong)越來越廣(guang)泛。而(er)固定(ding)床反(fan)應(ying)(ying)(ying)(ying)器(qi)作為一(yi)種常用(yong)的(de)催(cui)化(hua)劑(ji)生(sheng)產(chan)設備(bei)，其高效、環保的(de)優(you)勢備(bei)受工業界的(de)肯定(ding)。固定(ding)床反(fan)應(ying)(ying)(ying)(ying)器(qi)是一(yi)種催(cui)化(hua)劑(ji)反(fan)應(ying)(ying)(ying)(ying)設備(bei)，其主要特點(dian)是將催(cui)化(hua)劑(ji)放(fang)置(zhi)在定(ding)位在反(fan)應(ying)(ying)(ying)(ying)器(qi)內的(de)支撐體(ti)(ti)上，然(ran)后(hou)通(tong)過氣體(ti)(ti)、液(ye)(ye)體(ti)(ti)等介質將反(fan)應(ying)(ying)(ying)(ying)液(ye)(ye)注入反(fan)應(ying)(ying)(ying)(ying)器(qi)內實現(xian)反(fan)應(ying)(ying)(ying)(ying)。相(xiang)比于傳統的(de)液(ye)(ye)相(xiang)反(fan)應(ying)(ying)(ying)(ying)器(qi)，固定(ding)床反(fan)應(ying)(ying)(ying)(ying)器(qi)具有多項明顯的(de)優(you)點(dian)。首(shou)先，固定(ding)床反(fan)應(ying)(ying)(ying)(ying)器(qi)可以(yi)使催(cui)化(hua)劑(ji)充分利用(yong)。在反(fan)應(ying)(ying)(ying)(ying)液(ye)(ye)通(tong)過固定(ding)床反(fan)應(ying)(ying)(ying)(ying)器(qi)時，會(hui)形成(cheng)一(yi)個(ge)濾(lv)渣層，這個(ge)濾(lv)渣層能過濾(lv)掉反(fan)應(ying)(ying)(ying)(ying)中產(chan)生(sheng)的(de)雜質、溶(rong)劑(ji)等物，從而(er)保證(zheng)反(fan)應(ying)(ying)(ying)(ying)物質的(de)純...
2023
4-6

固定床反應器在設計時需要考慮哪些因素固定床(chuang)反(fan)(fan)(fan)(fan)應(ying)(ying)(ying)器是(shi)一種在固定床(chuang)內進行化(hua)學反(fan)(fan)(fan)(fan)應(ying)(ying)(ying)的(de)(de)設備，通(tong)常由一個垂(chui)直安(an)裝的(de)(de)圓(yuan)柱形或(huo)方(fang)形容器組(zu)成，內部填充(chong)有催化(hua)劑或(huo)吸(xi)附劑。反(fan)(fan)(fan)(fan)應(ying)(ying)(ying)物(wu)(wu)經過(guo)填充(chong)層時與催化(hua)劑或(huo)吸(xi)附劑發(fa)生反(fan)(fan)(fan)(fan)應(ying)(ying)(ying)，生成產物(wu)(wu)并(bing)流(liu)出(chu)反(fan)(fan)(fan)(fan)應(ying)(ying)(ying)器，廣泛應(ying)(ying)(ying)用于化(hua)工、石油、醫藥等領(ling)域。在反(fan)(fan)(fan)(fan)應(ying)(ying)(ying)過(guo)程中(zhong)(zhong)，反(fan)(fan)(fan)(fan)應(ying)(ying)(ying)物(wu)(wu)進入(ru)填充(chong)層后逐漸與催化(hua)劑或(huo)吸(xi)附劑接觸，并(bing)在其表面上(shang)發(fa)生反(fan)(fan)(fan)(fan)應(ying)(ying)(ying)。反(fan)(fan)(fan)(fan)應(ying)(ying)(ying)產物(wu)(wu)則從(cong)填充(chong)層中(zhong)(zhong)流(liu)出(chu)，同時新的(de)(de)反(fan)(fan)(fan)(fan)應(ying)(ying)(ying)物(wu)(wu)繼(ji)續進入(ru)填充(chong)層，實現(xian)了連(lian)續的(de)(de)反(fan)(fan)(fan)(fan)應(ying)(ying)(ying)過(guo)程。為保證反(fan)(fan)(fan)(fan)應(ying)(ying)(ying)的(de)(de)持續進行，反(fan)(fan)(fan)(fan)應(ying)(ying)(ying)器需要不(bu)斷地(di)提供新的(de)(de)反(fan)(fan)(fan)(fan)應(ying)(ying)(ying)物(wu)(wu)和排除產物(wu)(wu)。固定床(chuang)反(fan)(fan)(fan)(fan)應(ying)(ying)(ying)器的(de)(de)設計通(tong)常基于反(fan)(fan)(fan)(fan)應(ying)(ying)(ying)物(wu)(wu)的(de)(de)性質(zhi)和反(fan)(fan)(fan)(fan)...
2023
1-9

固定床反應裝置的配件選擇固(gu)(gu)定(ding)床反(fan)(fan)應(ying)裝(zhuang)(zhuang)置(zhi)是實(shi)驗室(shi)固(gu)(gu)定(ding)床為管式反(fan)(fan)應(ying)器的(de)(de)形式，配(pei)(pei)有(you)(you)過壓(ya)，超溫(wen)，誤操作(zuo)保護(hu)(hu)等安(an)全性設計(ji)，可(ke)以(yi)通(tong)過系統硬(ying)件，PLC，PC實(shi)現多層次(ci)，多方面(mian)的(de)(de)相(xiang)互(hu)聯動(dong)的(de)(de)安(an)全保護(hu)(hu)措(cuo)施(shi)，充分考慮了(le)對科研人員/實(shi)驗室(shi)的(de)(de)人身(shen)財產安(an)全保護(hu)(hu)的(de)(de)設計(ji)理念。這(zhe)種反(fan)(fan)應(ying)器裝(zhuang)(zhuang)卸催化(hua)劑方便，操作(zuo)簡(jian)單，適于氣固(gu)(gu)相(xiang)催化(hua)反(fan)(fan)應(ying)、催化(hua)劑評價與(yu)工(gong)藝條件選擇(ze)以(yi)及宏觀動(dong)力學實(shi)驗。主要用于加氫、脫氫、烴化(hua)、芳構(gou)化(hua)、氨化(hua)等有(you)(you)機催化(hua)反(fan)(fan)應(ying)的(de)(de)研究和教學實(shi)驗。裝(zhuang)(zhuang)置(zhi)設有(you)(you)進氣與(yu)尾(wei)氣取樣口，可(ke)通(tong)過注射器取樣分析。固(gu)(gu)定(ding)床反(fan)(fan)應(ying)裝(zhuang)(zhuang)置(zhi)的(de)(de)配(pei)(pei)件選擇(ze)：一(yi)、與(yu)反(fan)(fan)應(ying)物(wu)量(liang)的(de)(de)...
2022
12-14

操作固定床反應器要注意熱油泵的運行狀態固(gu)定(ding)床(chuang)反應(ying)(ying)(ying)器(qi)(qi)又(you)稱(cheng)填充床(chuang)反應(ying)(ying)(ying)器(qi)(qi)，裝(zhuang)填有固(gu)體催化劑或(huo)(huo)(huo)(huo)固(gu)體反應(ying)(ying)(ying)物(wu)用(yong)以實(shi)現(xian)多相反應(ying)(ying)(ying)過程(cheng)的(de)一種(zhong)反應(ying)(ying)(ying)器(qi)(qi)。由(you)大(da)小可(ke)定(ding)制的(de)兩(liang)個(ge)反應(ying)(ying)(ying)器(qi)(qi)組成，可(ke)以在程(cheng)序控制下實(shi)現(xian)兩(liang)個(ge)反應(ying)(ying)(ying)器(qi)(qi)單獨使用(yong)、串(chuan)聯使用(yong)或(huo)(huo)(huo)(huo)并聯使用(yong)，是廣大(da)高(gao)等院(yuan)校、科研單位進行煤、輕(qing)柴油(you)(you)加(jia)氫實(shi)驗的(de)理想裝(zhuang)置。在內層(ceng)放入反應(ying)(ying)(ying)溶(rong)媒可(ke)做(zuo)攪拌(ban)反應(ying)(ying)(ying)，夾層(ceng)可(ke)通上不同的(de)冷(leng)熱(re)(re)(re)源（冷(leng)凍(dong)液，熱(re)(re)(re)水或(huo)(huo)(huo)(huo)熱(re)(re)(re)油(you)(you)）做(zuo)循環加(jia)熱(re)(re)(re)或(huo)(huo)(huo)(huo)冷(leng)卻反應(ying)(ying)(ying)。通過反應(ying)(ying)(ying)釜夾層(ceng)，注入恒(heng)(heng)溫(wen)(wen)的(de)（高(gao)溫(wen)(wen)或(huo)(huo)(huo)(huo)低溫(wen)(wen)）熱(re)(re)(re)溶(rong)媒體或(huo)(huo)(huo)(huo)冷(leng)卻媒體，對(dui)反應(ying)(ying)(ying)釜內的(de)物(wu)料進行恒(heng)(heng)溫(wen)(wen)加(jia)熱(re)(re)(re)或(huo)(huo)(huo)(huo)制冷(leng)。在操作時要(yao)注意熱(re)(re)(re)油(you)(you)泵(beng)的(de)運(yun)行狀態，注意泵(beng)體、密封...
2022
11-29

微通道反應器是一種“工藝強化”利器微(wei)(wei)通(tong)(tong)(tong)道(dao)反應器(qi)(qi)是一(yi)(yi)種(zhong)反應物質在(zai)微(wei)(wei)小通(tong)(tong)(tong)道(dao)內連續流(liu)動、發生反應、同時實現換(huan)熱的(de)裝備。狹義上，微(wei)(wei)通(tong)(tong)(tong)道(dao)反應器(qi)(qi)的(de)通(tong)(tong)(tong)道(dao)尺寸(cun)一(yi)(yi)般(ban)在(zai)500微(wei)(wei)米以(yi)(yi)內，以(yi)(yi)實現分子間擴(kuo)散(san)距離足夠(gou)短、傳(chuan)質效率高，和(he)比表面積(ji)大、換(huan)熱效率高這(zhe)樣的(de)特(te)性。然(ran)而(er)，隨(sui)著(zhu)精(jing)細化工行(xing)業(ye)對微(wei)(wei)通(tong)(tong)(tong)道(dao)反應器(qi)(qi)用(yong)于化學品一(yi)(yi)定(ding)規模(mo)工業(ye)化生產的(de)需(xu)求，和(he)微(wei)(wei)通(tong)(tong)(tong)道(dao)反應器(qi)(qi)通(tong)(tong)(tong)道(dao)的(de)不斷優化與改進，微(wei)(wei)反應通(tong)(tong)(tong)道(dao)尺寸(cun)早已(yi)達到毫米級。因此，廣義上，微(wei)(wei)通(tong)(tong)(tong)道(dao)反應器(qi)(qi)是指能夠(gou)實現高效換(huan)熱、高效傳(chuan)質的(de)連續式(shi)平推流(liu)反應器(qi)(qi)。微(wei)(wei)通(tong)(tong)(tong)道(dao)反應器(qi)(qi)的(de)制造可(ke)以(yi)(yi)由金屬(shu)和(he)非金屬(shu)等多種(zhong)材質經(jing)過精(jing)密微(wei)(wei)通(tong)(tong)(tong)...
2022
10-24

多通道固定床反應器的基本概述多通(tong)(tong)道(dao)固(gu)(gu)定(ding)床反(fan)(fan)應(ying)(ying)(ying)器(qi)氣(qi)(qi)路選(xuan)用(yong)(yong)BROOKS流量計，液(ye)路采用(yong)(yong)SSI精密(mi)計量泵，反(fan)(fan)應(ying)(ying)(ying)系(xi)(xi)統(tong)由(you)反(fan)(fan)應(ying)(ying)(ying)器(qi)和反(fan)(fan)應(ying)(ying)(ying)爐組成。反(fan)(fan)應(ying)(ying)(ying)器(qi)采用(yong)(yong)316SS的不(bu)銹鋼，或哈氏合(he)金(jin)、鎳(nie)基合(he)金(jin)，采用(yong)(yong)日本三菱系(xi)(xi)統(tong)操作自動化(hua)(hua)程度(du)高，裝(zhuang)置運(yun)行平穩，試驗數據真實可靠。廣泛適(shi)用(yong)(yong)于氣(qi)(qi)固(gu)(gu)相或滴(di)流條(tiao)件(jian)下催(cui)(cui)(cui)化(hua)(hua)劑(ji)及反(fan)(fan)應(ying)(ying)(ying)工(gong)藝(yi)條(tiao)件(jian)的各(ge)類(lei)評價，包括催(cui)(cui)(cui)化(hua)(hua)劑(ji)篩(shai)選(xuan)、多元催(cui)(cui)(cui)化(hua)(hua)劑(ji)的組成篩(shai)選(xuan)和優(you)化(hua)(hua)、反(fan)(fan)應(ying)(ying)(ying)條(tiao)件(jian)及工(gong)藝(yi)優(you)化(hua)(hua)、催(cui)(cui)(cui)化(hua)(hua)劑(ji)壽命考察等。主要用(yong)(yong)于實現氣(qi)(qi)固(gu)(gu)相催(cui)(cui)(cui)化(hua)(hua)反(fan)(fan)應(ying)(ying)(ying)，如氨合(he)成塔(ta)、二氧化(hua)(hua)硫接(jie)觸氧化(hua)(hua)器(qi)、烴(jing)類(lei)蒸汽(qi)轉化(hua)(hua)爐等。多通(tong)(tong)道(dao)固(gu)(gu)定(ding)床反(fan)(fan)應(ying)(ying)(ying)器(qi)用(yong)(yong)于氣(qi)(qi)固(gu)(gu)相或液(ye)固(gu)(gu)相非催(cui)(cui)(cui)...

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