多通道(dao)固(gu)(gu)定(ding)(ding)床反(fan)應(ying)(ying)器(qi)(qi)采用可(ke)(ke)編(bian)程控制器(qi)(qi)和計算(suan)機控制的(de)(de)自動化(hua)(hua)微型實驗裝(zhuang)(zhuang)置，催(cui)(cui)化(hua)(hua)劑(ji)評(ping)價(jia)裝(zhuang)(zhuang)置報價(jia)，裝(zhuang)(zhuang)置自動化(hua)(hua)操作，各(ge)操作點的(de)(de)溫度、流量、壓(ya)力信(xin)號及探(tan)測器(qi)(qi)信(xin)號由系(xi)統自動采集。列管式(shi)固(gu)(gu)定(ding)(ding)床反(fan)應(ying)(ying)器(qi)(qi)：管內或管間(jian)(jian)置催(cui)(cui)化(hua)(hua)劑(ji)、載熱體流經管間(jian)(jian)或管內進行(xing)加熱或冷卻，催(cui)(cui)化(hua)(hua)劑(ji)評(ping)價(jia)實驗裝(zhuang)(zhuang)置，管徑通常(chang)在25～50mm之間(jian)(jian)，催(cui)(cui)化(hua)(hua)劑(ji)評(ping)價(jia)裝(zhuang)(zhuang)置，管數(shu)可(ke)(ke)多達上(shang)萬根(gen)，適用于反(fan)應(ying)(ying)熱效應(ying)(ying)較大的(de)(de)反(fan)應(ying)(ying)。小型固(gu)(gu)定(ding)(ding)床反(fan)應(ying)(ying)器(qi)(qi)大都是圓柱形(xing)狀，溫度沿著軸(zhou)向(xiang)和徑向(xiang)具有一定(ding)(ding)的(de)(de)分布形(xing)式(shi)。為了不致(zhi)超溫而破壞催(cui)(cui)化(hua)(hua)劑(ji)，先要控制反(fan)應(ying)(ying)床層(ceng)中的(de)(de)高(gao)溫度。

多通道固(gu)定(ding)床(chuang)反(fan)(fan)應(ying)器(qi)的(de)工藝(yi)組件如反(fan)(fan)應(ying)器(qi)、冷(leng)凝器(qi)以及高低壓分(fen)離(li)器(qi)根據(ju)不(bu)同(tong)的(de)工藝(yi)要求，采(cai)用特別的(de)內(nei)表面處理工藝(yi)和結構(gou)設計，滿(man)足不(bu)同(tong)催(cui)化(hua)劑(ji)(ji)和工藝(yi)的(de)實驗要求固(gu)定(ding)床(chuang)反(fan)(fan)應(ying)器(qi)的(de)優點：返混小，流體同(tong)催(cui)化(hua)劑(ji)(ji)可進(jin)行有效接觸，當反(fan)(fan)應(ying)伴(ban)有串聯副反(fan)(fan)應(ying)時(shi)可得較高選擇性。用于(yu)氣固(gu)相或(huo)液固(gu)相非催(cui)化(hua)反(fan)(fan)應(ying)時(shi)，床(chuang)層則填裝固(gu)體反(fan)(fan)應(ying)物。多通道固(gu)定(ding)床(chuang)反(fan)(fan)應(ying)器(qi)可歸屬于(yu)固(gu)定(ding)床(chuang)反(fan)(fan)應(ying)器(qi)，氣、液相并流向下通過床(chuang)層，呈氣液固(gu)相接觸。

多通(tong)(tong)道反應(ying)器(qi)(qi)又稱(cheng)填(tian)充(chong)床(chuang)反應(ying)器(qi)(qi)，裝填(tian)有(you)固體(ti)催化劑(ji)或固體(ti)反應(ying)物用(yong)以實現多相(xiang)反應(ying)過程的(de)(de)一種反應(ying)器(qi)(qi)。固體(ti)物通(tong)(tong)常(chang)呈顆粒狀(zhuang)，粒徑2～15mm左右(you)，堆(dui)積(ji)成一定(ding)(ding)高(gao)(gao)度（或厚度）的(de)(de)床(chuang)層。多通(tong)(tong)道固定(ding)(ding)床(chuang)反應(ying)器(qi)(qi)的(de)(de)工(gong)藝(yi)組件如反應(ying)器(qi)(qi)、冷凝器(qi)(qi)以及(ji)高(gao)(gao)低(di)壓分離器(qi)(qi)根(gen)據不(bu)同(tong)的(de)(de)工(gong)藝(yi)要求(qiu)(qiu)，催化劑(ji)評價裝置(zhi)費用(yong)，采(cai)用(yong)特別(bie)的(de)(de)內表面處理工(gong)藝(yi)和結(jie)構設計，滿(man)足不(bu)同(tong)催化劑(ji)和工(gong)藝(yi)的(de)(de)實驗要求(qiu)(qiu)固定(ding)(ding)床(chuang)反應(ying)器(qi)(qi)的(de)(de)優點：返混小，流體(ti)同(tong)催化劑(ji)可(ke)進行有(you)效接觸，當反應(ying)伴有(you)串聯副(fu)反應(ying)時可(ke)得較高(gao)(gao)選擇(ze)性。