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化學(xué)反應設備

來(lái)源: 時(shí)間:2013-07-30 09:18:38 瀏覽次數:

不銹鋼反應釜 設備是化工生產(chǎn)中主要設備之一,其用途是實(shí)現不銹鋼反應釜過(guò)程。在分離、加熱、輸送等類(lèi)化工設備中,物質(zhì)只發(fā)生物理變化.即位置或狀態(tài)等的變化.但質(zhì)并沒(méi)有發(fā)生變化.而在不銹鋼反應釜設備中
不銹鋼反應釜 設備是化工生產(chǎn)中主要設備之一,其用途是實(shí)現不銹鋼反應釜過(guò)程。在分離、加熱、輸送等類(lèi)化工設備中,物質(zhì)只發(fā)生物理變化.即位置或狀態(tài)等的變化.但質(zhì)并沒(méi)有發(fā)生變化.而在不銹鋼反應釜設備中,物質(zhì)起不銹鋼反應釜之后,質(zhì)發(fā)生了變化,生成新的物質(zhì),即所需的中間產(chǎn)物或壇終產(chǎn)品,不銹鋼反應釜過(guò)程比以上所述的各種過(guò)程要復佘得多,化工生產(chǎn)中反應過(guò)程的進(jìn)行不僅受傳熱、傳質(zhì)過(guò)程的影響,還要受到溫度、壓力、濃度等一系列因素的影響。不銹鋼反應釜過(guò)程的規律有些是已經(jīng)掌握了,但有些至今還沒(méi)有研究的很透徹。反應設備的結構.必須a證產(chǎn)率高,生產(chǎn)能力.大而設備費用低。不銹鋼反應釜設備的結構和型式與不銹鋼反應釜過(guò)程的類(lèi)型、性質(zhì)有密切的關(guān)系。,隨著(zhù)參與不銹鋼反應釜的原料物態(tài)的不同《是氣體、液體還是固體原料),反應過(guò)程條件的不同咤溫度、壓力、濃度以及物料是靜止的還是流動(dòng)的).反應的熱效應的不同(吸熱反應還是放熱反應》,不銹鋼反應釜設備有多種多樣的類(lèi)型和結構。
常用的反應設備主要有下列幾種類(lèi)型:攪拌式反應鍋,固定層反應設備,沸騰層反應設備,管式反應器.等等。下面我們將簡(jiǎn)要地介紹幾種主要的反應設備。
不銹鋼反應釜設備常按其具體的用途稱(chēng)呼,例如:氨合成塔、硫鐵礦焙燒爐、二氧化硫轉化器、氯乙烯聚合釜等;這些名稱(chēng)的前面部分是指其具體用途.詞尾’·爐”字是指需加熱的高溫反應設備;“塔”字是指外形較高的柱形反應設備:”釜’‘字是指鍋狀的反應設備:一罐”字是指密閉狀態(tài)并具有一定壓力的柱形反應設備:‘’槽”字是指那些高與底之比不大·而且上口是敞開(kāi)式的.或有蓋但不具有壓力的反應設備:.’器”則是不銹鋼反應釜設備的通稱(chēng)。對兼有數種特征的反應設備,可以同時(shí)有數種叫法,例如氨合成用的反應器,可稱(chēng)作..氨合成塔”,“氨合成護.’等,”二氧化硫轉化器”.有時(shí)又可稱(chēng)作“’二氧化硫接觸器’‘等。
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