多通道(dao)固(gu)定(ding)(ding)(ding)床(chuang)(chuang)反應器是(shi)一個自動(dong)(dong)化系(xi)統，用(yong)于高溫高壓或者高溫常壓下進行的(de)催化劑的(de)評價。裝(zhuang)置配備(bei)的(de)高壓/常壓供氣系(xi)統、高壓/常壓供液系(xi)統的(de)管線路數可(ke)(ke)以(yi)按照不(bu)同(tong)要(yao)求來配置。徑(jing)向(xiang)絕(jue)熱(re)式固(gu)定(ding)(ding)(ding)床(chuang)(chuang)反應器：流(liu)(liu)體沿徑(jing)向(xiang)流(liu)(liu)過床(chuang)(chuang)層，可(ke)(ke)采(cai)用(yong)離心流(liu)(liu)動(dong)(dong)或向(xiang)心流(liu)(liu)動(dong)(dong)，床(chuang)(chuang)層同(tong)外界(jie)無熱(re)交換。徑(jing)向(xiang)反應器與(yu)軸向(xiang)反應器相比(bi)(bi)，流(liu)(liu)體流(liu)(liu)動(dong)(dong)的(de)距離較短，流(liu)(liu)道(dao)截面積較大，流(liu)(liu)體的(de)壓力降較小。固(gu)定(ding)(ding)(ding)床(chuang)(chuang)反應裝(zhuang)置的(de)特點是(shi)在(zai)工作流(liu)(liu)程中工藝個設備(bei)結(jie)構上比(bi)(bi)普(pu)通的(de)移動(dong)(dong)床(chuang)(chuang)和沸騰床(chuang)(chuang)都要(yao)簡單的(de)多，但是(shi)他也有缺(que)點，缺(que)點就是(shi)固(gu)定(ding)(ding)(ding)床(chuang)(chuang)加氫裝(zhuang)置有一定(ding)(ding)(ding)的(de)局(ju)限性。這點我們(men)要(yao)記住。

固(gu)定(ding)床加氫裝(zhuang)(zhuang)置(zhi)(zhi)(zhi)就是(shi)指工(gong)藝(yi)采(cai)用(yong)的(de)是(shi)固(gu)定(ding)床加氫的(de)反(fan)(fan)應(ying)對重油提煉的(de)一種(zhong)裝(zhuang)(zhuang)置(zhi)(zhi)(zhi)，同事它具有技術成熟、工(gong)藝(yi)和(he)設備結(jie)構簡單(dan)的(de)特點(dian)。多通(tong)道(dao)固(gu)定(ding)床反(fan)(fan)應(ying)器(qi)的(de)優點(dian)是(shi)：①返混小(xiao)，高(gao)壓催(cui)(cui)(cui)化(hua)劑評價裝(zhuang)(zhuang)置(zhi)(zhi)(zhi)，流體同催(cui)(cui)(cui)化(hua)劑可進行有效接觸，當(dang)反(fan)(fan)應(ying)伴有串聯副(fu)反(fan)(fan)應(ying)時可得(de)較高(gao)選擇性。②催(cui)(cui)(cui)化(hua)劑機械損耗小(xiao)。多通(tong)道(dao)固(gu)定(ding)床反(fan)(fan)應(ying)器(qi)采(cai)用(yong)可編程控制器(qi)和(he)計(ji)算機控制的(de)自動化(hua)微型實驗裝(zhuang)(zhuang)置(zhi)(zhi)(zhi)，裝(zhuang)(zhuang)置(zhi)(zhi)(zhi)自動化(hua)操作(zuo)，各操作(zuo)點(dian)的(de)溫(wen)度、流量、壓力信(xin)(xin)號及(ji)探(tan)測器(qi)信(xin)(xin)號由系(xi)統自動采(cai)集。

固(gu)定(ding)(ding)床反(fan)(fan)(fan)應(ying)(ying)器主要(yao)用(yong)(yong)(yong)于(yu)實(shi)現氣固(gu)相(xiang)(xiang)催(cui)(cui)(cui)化(hua)反(fan)(fan)(fan)應(ying)(ying)，如氨合成塔(ta)、接觸氧化(hua)器、烴類蒸汽轉化(hua)爐(lu)等，用(yong)(yong)(yong)于(yu)氣固(gu)相(xiang)(xiang)或液固(gu)相(xiang)(xiang)非催(cui)(cui)(cui)化(hua)反(fan)(fan)(fan)應(ying)(ying)時，催(cui)(cui)(cui)化(hua)劑(ji)評(ping)價裝置(zhi)供(gong)應(ying)(ying)，床層則填裝固(gu)體反(fan)(fan)(fan)應(ying)(ying)物。多通道固(gu)定(ding)(ding)床反(fan)(fan)(fan)應(ying)(ying)器采(cai)用(yong)(yong)(yong)單獨流量(liang)計進樣，確保準確性(xing)(xing)和平行性(xing)(xing)，實(shi)驗(yan)程序采(cai)用(yong)(yong)(yong)模塊化(hua)設計，合肥催(cui)(cui)(cui)化(hua)劑(ji)評(ping)價裝置(zhi)，功能強大使用(yong)(yong)(yong)簡單，催(cui)(cui)(cui)化(hua)劑(ji)評(ping)價裝置(zhi)廠家，所有參數(shu)均保存(cun)在(zai)數(shu)據庫中，方便隨時查閱(yue)調(diao)用(yong)(yong)(yong)。對于(yu)多變量(liang)的(de)固(gu)定(ding)(ding)床催(cui)(cui)(cui)化(hua)反(fan)(fan)(fan)應(ying)(ying)過程，也可以(yi)用(yong)(yong)(yong)經典的(de)分(fen)析(xi)方法(fa)設計控制(zhi)系統，比如頻域分(fen)析(xi)方法(fa)、根軌跡分(fen)析(xi)方法(fa)等，可以(yi)得到良好的(de)調(diao)節質量(liang)。