固(gu)(gu)(gu)(gu)定(ding)(ding)床(chuang)(chuang)反(fan)(fan)應器(qi)的優(you)點(dian)：流體的流動皆可(ke)(ke)看成是(shi)理想(xiang)置換(huan)流動，因此(ci)化(hua)學反(fan)(fan)應速(su)率較快，在完成同樣生產能力時，所需要的催(cui)(cui)化(hua)劑用(yong)(yong)量和反(fan)(fan)應器(qi)體積較小。用(yong)(yong)于(yu)氣固(gu)(gu)(gu)(gu)相(xiang)或液(ye)固(gu)(gu)(gu)(gu)相(xiang)非催(cui)(cui)化(hua)反(fan)(fan)應時，床(chuang)(chuang)層則填(tian)裝(zhuang)固(gu)(gu)(gu)(gu)體反(fan)(fan)應物。多通(tong)道固(gu)(gu)(gu)(gu)定(ding)(ding)床(chuang)(chuang)反(fan)(fan)應器(qi)可(ke)(ke)歸屬于(yu)固(gu)(gu)(gu)(gu)定(ding)(ding)床(chuang)(chuang)反(fan)(fan)應器(qi)，氣、液(ye)相(xiang)并流向下通(tong)過床(chuang)(chuang)層，呈氣液(ye)固(gu)(gu)(gu)(gu)相(xiang)接觸。對于(yu)多變量的固(gu)(gu)(gu)(gu)定(ding)(ding)床(chuang)(chuang)催(cui)(cui)化(hua)反(fan)(fan)應過程，也(ye)可(ke)(ke)以用(yong)(yong)經典的分析方法(fa)設計控制系(xi)統，大(da)型固(gu)(gu)(gu)(gu)定(ding)(ding)床(chuang)(chuang)，比(bi)如頻(pin)域分析方法(fa)、根軌跡(ji)分析方法(fa)等，可(ke)(ke)以得到良好的調節(jie)質量。

多(duo)通道固(gu)(gu)(gu)定(ding)床反(fan)應器裝置的(de)儀表如減壓閥、背(bei)壓閥、流(liu)量(liang)計以(yi)及管閥件(jian)均選用(yong)(yong)進口(kou)元件(jian)，保證使用(yong)(yong)的(de)穩定(ding)性、可靠性和(he)安全性。固(gu)(gu)(gu)定(ding)床反(fan)應器的(de)優點：流(liu)體的(de)流(liu)動(dong)皆可看(kan)成是理想置換(huan)流(liu)動(dong)，因此化(hua)學反(fan)應速率較快(kuai)，在完成同樣生產能力時，所(suo)需要(yao)的(de)催(cui)化(hua)劑用(yong)(yong)量(liang)和(he)反(fan)應器體積較小。固(gu)(gu)(gu)定(ding)床反(fan)應器主(zhu)要(yao)用(yong)(yong)于實現(xian)氣(qi)(qi)固(gu)(gu)(gu)相(xiang)催(cui)化(hua)反(fan)應，如氨合成塔(ta)、接觸氧化(hua)器、烴類(lei)蒸汽轉化(hua)爐等，用(yong)(yong)于氣(qi)(qi)固(gu)(gu)(gu)相(xiang)或液(ye)固(gu)(gu)(gu)相(xiang)非(fei)催(cui)化(hua)反(fan)應時，固(gu)(gu)(gu)定(ding)床，床層則填裝固(gu)(gu)(gu)體反(fan)應物。

固(gu)(gu)(gu)(gu)定(ding)(ding)床(chuang)(chuang)反(fan)(fan)(fan)應器(qi)主要用于(yu)實現(xian)氣固(gu)(gu)(gu)(gu)相催化反(fan)(fan)(fan)應，如氨合成塔、接(jie)觸氧(yang)化器(qi)、烴類蒸汽轉化爐等(deng)，用于(yu)氣固(gu)(gu)(gu)(gu)相或液(ye)固(gu)(gu)(gu)(gu)相非催化反(fan)(fan)(fan)應時，床(chuang)(chuang)層則填裝固(gu)(gu)(gu)(gu)體反(fan)(fan)(fan)應物。多(duo)通(tong)道固(gu)(gu)(gu)(gu)定(ding)(ding)床(chuang)(chuang)反(fan)(fan)(fan)應器(qi)采(cai)(cai)用可(ke)編程控(kong)制器(qi)和計算機(ji)控(kong)制的自(zi)(zi)動(dong)(dong)化微型實驗裝置(zhi)，裝置(zhi)自(zi)(zi)動(dong)(dong)化操(cao)(cao)作，固(gu)(gu)(gu)(gu)定(ding)(ding)床(chuang)(chuang)反(fan)(fan)(fan)應裝置(zhi)，各操(cao)(cao)作點的溫度(du)、流量、壓力信號(hao)及探(tan)測(ce)器(qi)信號(hao)由系(xi)統(tong)自(zi)(zi)動(dong)(dong)采(cai)(cai)集。多(duo)通(tong)道固(gu)(gu)(gu)(gu)定(ding)(ding)床(chuang)(chuang)反(fan)(fan)(fan)應器(qi)進料、平行(xing)性(xing)高、重現(xian)性(xing)好，小型固(gu)(gu)(gu)(gu)定(ding)(ding)床(chuang)(chuang)反(fan)(fan)(fan)應器(qi)，溫度(du)、壓力、甚攪拌速度(du)均(jun)可(ke)單獨控(kong)制，包(bao)括在(zai)線取(qu)樣(yang)分析等(deng)操(cao)(cao)作均(jun)可(ke)全自(zi)(zi)動(dong)(dong)完成，是(shi)真正的全自(zi)(zi)動(dong)(dong)高通(tong)量系(xi)統(tong)。