多(duo)通(tong)道(dao)固(gu)定(ding)(ding)床(chuang)(chuang)反(fan)應(ying)(ying)器(qi)采用(yong)可編程控制(zhi)器(qi)和計算機(ji)控制(zhi)的(de)自動(dong)化(hua)(hua)微型實驗裝(zhuang)置(zhi)，裝(zhuang)置(zhi)自動(dong)化(hua)(hua)操作(zuo)，各操作(zuo)點的(de)溫(wen)度、流(liu)(liu)量、壓力信(xin)號(hao)及探測器(qi)信(xin)號(hao)由系(xi)統(tong)(tong)自動(dong)采集(ji)。多(duo)通(tong)道(dao)固(gu)定(ding)(ding)床(chuang)(chuang)反(fan)應(ying)(ying)器(qi)是(shi)一(yi)個(ge)自動(dong)化(hua)(hua)系(xi)統(tong)(tong)，反(fan)應(ying)(ying)固(gu)定(ding)(ding)床(chuang)(chuang)，用(yong)于(yu)高(gao)(gao)溫(wen)高(gao)(gao)壓或(huo)者高(gao)(gao)溫(wen)常壓下(xia)進行(xing)的(de)催化(hua)(hua)劑的(de)評(ping)價。裝(zhuang)置(zhi)配備的(de)高(gao)(gao)壓/常壓供氣(qi)系(xi)統(tong)(tong)、高(gao)(gao)壓/常壓供液系(xi)統(tong)(tong)的(de)管(guan)(guan)(guan)線路(lu)數(shu)可以按照不同要(yao)求來(lai)配置(zhi)。列管(guan)(guan)(guan)式固(gu)定(ding)(ding)床(chuang)(chuang)反(fan)應(ying)(ying)器(qi)：管(guan)(guan)(guan)內或(huo)管(guan)(guan)(guan)間置(zhi)催化(hua)(hua)劑、載熱(re)體(ti)流(liu)(liu)經管(guan)(guan)(guan)間或(huo)管(guan)(guan)(guan)內進行(xing)加熱(re)或(huo)冷卻，管(guan)(guan)(guan)徑通(tong)常在25～50mm之間，浙(zhe)江固(gu)定(ding)(ding)床(chuang)(chuang)，管(guan)(guan)(guan)數(shu)可多(duo)達上萬(wan)根，適(shi)用(yong)于(yu)反(fan)應(ying)(ying)熱(re)效應(ying)(ying)較大的(de)反(fan)應(ying)(ying)。

多通道固定(ding)床(chuang)反應(ying)(ying)器(qi)(qi)采(cai)用(yong)可編程控制(zhi)(zhi)器(qi)(qi)和(he)(he)計(ji)算(suan)機(ji)控制(zhi)(zhi)的自(zi)(zi)(zi)動化(hua)(hua)微型實驗裝置(zhi)，裝置(zhi)自(zi)(zi)(zi)動化(hua)(hua)操作，各(ge)操作點的溫度、流(liu)量、壓力信號(hao)及探測器(qi)(qi)信號(hao)由系統自(zi)(zi)(zi)動采(cai)集。列管(guan)(guan)式(shi)固定(ding)床(chuang)反應(ying)(ying)器(qi)(qi)：管(guan)(guan)內(nei)或管(guan)(guan)間置(zhi)催化(hua)(hua)劑、載熱(re)體(ti)流(liu)經管(guan)(guan)間或管(guan)(guan)內(nei)進行加熱(re)或冷卻，管(guan)(guan)徑通常在25～50mm之間，管(guan)(guan)數(shu)可多達上萬根(gen)，適(shi)用(yong)于反應(ying)(ying)熱(re)效(xiao)應(ying)(ying)較大的反應(ying)(ying)。小型固定(ding)床(chuang)反應(ying)(ying)器(qi)(qi)大都是圓(yuan)柱形狀，固定(ding)床(chuang)反應(ying)(ying)器(qi)(qi)，溫度沿著(zhu)軸向和(he)(he)徑向具有一定(ding)的分布形式(shi)。為(wei)了不致超溫而破壞催化(hua)(hua)劑，先要控制(zhi)(zhi)反應(ying)(ying)床(chuang)層(ceng)中的高溫度。

多通道(dao)固定(ding)床(chuang)反(fan)(fan)(fan)應(ying)(ying)器(qi)裝置(zhi)的(de)儀表如減壓(ya)閥(fa)、背(bei)壓(ya)閥(fa)、流(liu)量(liang)計(ji)以及管閥(fa)件均選用進口(kou)元件，保證使用的(de)穩定(ding)性、可靠性和安全性。固定(ding)床(chuang)反(fan)(fan)(fan)應(ying)(ying)器(qi)的(de)優點：流(liu)體(ti)的(de)流(liu)動(dong)皆可看成(cheng)(cheng)是理想(xiang)置(zhi)換流(liu)動(dong)，因此(ci)化(hua)(hua)(hua)學反(fan)(fan)(fan)應(ying)(ying)速率較(jiao)快(kuai)，在完成(cheng)(cheng)同樣生產能力時，所需要(yao)的(de)催化(hua)(hua)(hua)劑(ji)用量(liang)和反(fan)(fan)(fan)應(ying)(ying)器(qi)體(ti)積較(jiao)小。固定(ding)床(chuang)反(fan)(fan)(fan)應(ying)(ying)器(qi)主要(yao)用于(yu)實現氣(qi)固相(xiang)催化(hua)(hua)(hua)反(fan)(fan)(fan)應(ying)(ying)，如氨合成(cheng)(cheng)塔、接觸氧(yang)化(hua)(hua)(hua)器(qi)、烴類蒸(zheng)汽(qi)轉化(hua)(hua)(hua)爐等，用于(yu)氣(qi)固相(xiang)或液固相(xiang)非(fei)催化(hua)(hua)(hua)反(fan)(fan)(fan)應(ying)(ying)時，床(chuang)層則(ze)填裝固體(ti)反(fan)(fan)(fan)應(ying)(ying)物。