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間歇操作不銹鋼反應釜式反應器

來(lái)源: 時(shí)間:2013-09-04 13:58:31 瀏覽次數:

工藝計算不銹鋼反應釜式反應器內設有攪拌裝置,在攪拌良好的情況下,可以看成理想不銹鋼反應釜式反應器,不銹鋼反應釜內物料達到完全混合,濃度、溫度均一,反應器內各點(diǎn)的化學(xué)反應速率也都相同。
工藝計算不銹鋼反應釜式反應器內設有攪拌裝置,在攪拌良好的情況下,可以看成理想不銹鋼反應釜式反應器,不銹鋼反應釜內物料達到完全混合,濃度、溫度均一,反應器內各點(diǎn)的化學(xué)反應速率也都相同。當采用間歇操作時(shí),則是一個(gè)不穩定過(guò)程,隨著(zhù)反應的進(jìn)行,不銹鋼反應釜內物料濃度、溫度和反應速率要隨時(shí)間而變化。
不銹鋼反應釜式反應器內常設有換熱器,間歇操作時(shí),根據反應的要求,可以改變換熱條件(如傳熱面積、載熱體流量和溫度等),維持等溫操作或非等溫操作。不銹鋼反應釜式反應器主要用于液相和液固相反應。液體和固體在反應前后密度變化不大,可視為等容過(guò)程。
進(jìn)行間歇不銹鋼反應釜式反應器體積計算時(shí),必須先求得為達到一定轉化率所需的反應時(shí)間,然后結合非生產(chǎn)時(shí)間和每小時(shí)要求處理的物料量,計算反應器的體積。
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