【正文】 石河子大學 畢業(yè)設計論文 1 化學工程與工藝畢業(yè)論文 年產(chǎn) 10 萬噸二甲醚的初步工藝設計 專業(yè)：化學工程與工藝 石河子大學 畢業(yè)設計論文 2 摘 要： 本設計為年產(chǎn) 10 萬噸二甲醚的初步工藝設計，在設計說明書中，簡單介紹了二甲醚的 性能、主要用途、生產(chǎn)現(xiàn)狀 和 發(fā)展趨勢， 本設計 結(jié)合 了 新疆天業(yè)集團 有限公司的生產(chǎn)現(xiàn)狀，確定以甲醇脫水法作為本設計的工藝生產(chǎn)方法。在設計過程中，根據(jù)設計任務書的要求 ，通過物料衡算和熱量衡算，以確定設備工藝參數(shù)和消耗工藝指標， 同時對二甲醚生產(chǎn)過程中的安全注意事項及“三廢”治理作了相關說明，對整 個裝置進行了簡單的 初步 技術經(jīng)濟評價。繪制了相應的設計圖紙，設計圖紙包括工藝流程圖、主要設備圖的裝配圖、設備的平面布置圖等。 關鍵詞： 二甲醚；甲醇； 工藝設計 石河子大學 畢業(yè)設計論文 3 Primary for the Manufacturing Process of Dimethl ether 100,000Ton Per year Specialty: Chemical Engineering﹠ technology Author:Lu yingwen Director :Huang Niandong (Party of Chemical Engineering , School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan 411201, P. R. of China) Abstract: This is the first step process design for annual output of 100,000 tons of dimethl ether,In the designed specifications , developing trend , function and main use, bined the production status of Hunan Xuena New Energy Co., finally with methanol dehydration methods as process production methods of the the design process, in accordance with the requirements of the mission design,Through the material balance and energy balance, to determine the equipment and technical parameters of consumption indicators, while the production of dimethyl ether in the process of attention to security matters and Three wastesManagement made a note of the entire device to a simple technical and economic evaluation. Drawing the corresponding design drawings, design drawings, including process maps, plans of major equipment assembly, equipment such as the layout plans. Keywords:dimethl ether。 methanol。 process design. 石河子大學 畢業(yè)設計論文 1 目 錄 摘要 前言 1 文獻綜述 .................................................................................................................................... 1 二甲醚概述 ....................................................................................................................... 1 二甲醚的發(fā)展現(xiàn)狀 ................................................................................................... 1 二甲醚的傳統(tǒng)領域的應用及其拓展 ........................................................................... 1 國內(nèi)二甲醚市場簡況 .......................................................................................................... 2 現(xiàn)狀 ......................................................................................................................... 2 國內(nèi)市場預測 .......................................................................................................... 4 國外二甲醚市場簡況 .......................................................................................................... 5 現(xiàn)狀 ......................................................................................................................... 5 國外市場預測 .......................................................................................................... 6 原料說明 ........................................................................................................................... 7 二甲醚的主要技術指標 ...................................................................................................... 8 技術要求 .................................................................................................................. 8 試驗方法 .................................................................................................................. 9 2 DME 產(chǎn)品方案及生產(chǎn)規(guī)模 ..........................................................................................................11 產(chǎn)品品種、規(guī)格、質(zhì)量指標及擬建規(guī)模 ............................................................................11 產(chǎn)品規(guī)格、質(zhì)量指標 ........................................................................................................11 產(chǎn)品方案分析及生產(chǎn)規(guī)模分析 ......................................................................................... 12 3 工藝流程介紹 ........................................................................................................................... 12 生產(chǎn)方法簡述 ................................................................................................................... 12 工藝流程說明 ................................................................................................................... 14 生產(chǎn)工藝特點 ................................................................................................................... 16 主要工藝指標 ................................................................................................................... 16 二甲醚產(chǎn)品指標 ..................................................................................................... 16 催化劑的使用 ........................................................................................................ 17 4 主要塔設備計算及選型 .............................................................................................................. 17 汽化塔及其附屬設備的計算選型 ...................................................................................... 17 物料衡算 ............................................................................................................... 17 熱量衡算 ............................................................................................................... 19 理論板數(shù)、塔徑、填料選擇及填料層高度的計算 .................................................... 21 汽化塔附屬設備的選型計算 ................................................................................... 25 合成塔及其附屬設備的計算選型 ...................................................................................... 26 物料衡算 ............................................................................................................... 26 合成塔的選 取 選?。? ...............................................................