【正文】 polyacrylate superabsorbent prepared. It also describes the nature of the sodium polyacrylate, characteristics, uses and examples as well as suspension polymerization mechanisms, systems and production processes, intermittent operation characteristics and main raw material. Design of the main results are as follows： 1) Daily theoretical value is 18181kg. Actual production 18552kg. Actual annual output of 61220t. 2) With a base diameter of 2500mm autoclave, the diameter of 1600mm and a kettle, a diameter of 2500mm polymerization vessel. Volume of the dispersion medium to mix the pot 12, a volume of 24. Made of stainless steel. 3) Main equipment: pushstirrer, standard elliptical head。12 3m 的分散介質(zhì)調(diào)配罐， 24 3m 的分散介質(zhì)儲(chǔ)罐。 直徑為 2500mm 配堿釜，直徑為 1600mm 的中和釜，直徑為 2500mm 的聚合釜。還介紹了聚丙烯酸鈉的性質(zhì)、特性、用途和使用舉例以及懸浮聚合的機(jī)理、體系和生產(chǎn)工藝，間歇操作的特點(diǎn)及主要原料。 畢 業(yè) 設(shè) 計(jì) 題 目： 年產(chǎn) 6000噸聚丙烯酸鈉工藝設(shè)計(jì) 學(xué) 院： 化學(xué)與材料工程學(xué)院 專 業(yè)： 高分子材料科學(xué)與工程 姓 名： 學(xué) 號(hào)： 指導(dǎo)老師： 張艷花 完成時(shí)間： 2020530 河南 城建學(xué)院本科畢業(yè)設(shè)計(jì) 設(shè)計(jì)說明 I 設(shè)計(jì)說明 本次設(shè)計(jì)是利用單體丙烯酸鈉在一定條件下，采用反相懸浮聚合原理合成聚丙烯酸鈉。 設(shè)計(jì)主要成果如下： ① 每天的理論產(chǎn)值是 18181kg。體積為 12 3m 的分散介質(zhì)調(diào)配罐，分散介質(zhì)儲(chǔ)罐體積為 24 3m 。沉降式離心機(jī)，規(guī)格為 LW350 1050。 bearing type bearings, kettle body jacket. Deployment dispersion medium tank 12, a dispersion medium tank 24. Decanters, specifications for the LW350 1050. Autoclave equipped with a base, neutralization reactor, the polymerization reactor, deionized water tank. 4) Drawings: 1) Process Flow Diagram, 2) material flow, 3) polymerization reactor assembly drawing. Keywords: Sodium polyacrylate material balance heat balance production process flow chart diagram of major equipment 河南城建學(xué)院本科畢業(yè)設(shè)計(jì) 目錄 i 目 錄 設(shè)計(jì)說明 ......................................................................................................................... I 1 概述 ............................................................................................................................ 1 高分子量聚丙烯酸鈉研究現(xiàn)狀 ......................................................................... 1 高分子量聚丙烯酸鈉的性質(zhì)和應(yīng)用 ................................................................. 2 聚丙烯酸鈉的性質(zhì) ....................................................................................... 2 聚丙烯酸鈉的應(yīng)用 ....................................................................................... 2 高分子量聚丙烯酸鈉的需求、生產(chǎn)和應(yīng)用前景 ............................................. 3 項(xiàng)目的設(shè)計(jì)依據(jù) ................................................................................................. 4 建廠規(guī)模及產(chǎn)品規(guī)格 ......................................................................................... 5 建廠規(guī)模 ....................................................................................................... 5 產(chǎn)品規(guī)格 ....................................................................................................... 5 2 聚丙烯酸鈉的生產(chǎn)工藝 ............................................................................................ 6 聚丙烯酸鈉聚合的實(shí)施方法 ............................................................................. 6 反向懸浮聚合工藝條件及其影響因素 [14]......................................................... 7 分散劑及其助分散劑的選擇及其濃度對分子量的影響 ............................ 7 引發(fā)體系的選擇及其濃度對分子量的影響 ............................................... 8 單體濃度對分子量的影響 ........................................................................... 8 鏈轉(zhuǎn)移劑對分子量的影響 ........................................................................... 9 攪拌轉(zhuǎn)速的影響 ........................................................................................... 9 后處理工序的選擇 ........................................................................................... 10 分離方法的選擇 ......................................................................................... 10 干燥方法的選擇 ......................................................................................... 10 聚丙烯酸鈉的生產(chǎn)工藝流程 ........................................................................... 10 生產(chǎn)過程主要操作及控制 ............................................................................... 11 物料衡算與熱量衡算 ....................................................................................... 12 物料衡算 ..................................................................................................... 12 熱量衡算 ...................................................................................................... 15 主要設(shè)備工藝尺寸的計(jì)算及選型 ................................................................... 18 各釜體高度與內(nèi)徑尺寸確定 ...................................................................... 18 各釜體夾套尺寸的確定 ............................................................................. 21 河南城建學(xué)院本科畢業(yè)設(shè)計(jì) 目錄 ii 分離設(shè)備 ..................................................................................................... 23 干燥設(shè)備 ..................................................................................................... 23 其他設(shè)備的選擇 ......................................................................................... 24 設(shè)備一覽表 ....................................................................................................... 25 原料主要技術(shù)規(guī)格、供應(yīng)及消耗定額 ............................................................ 25 原料規(guī)格及用量 .......................................................................................... 25 原料消耗定額 ............................................................................................. 26