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四川理工學(xué)院畢業(yè)設(shè)計(論文) 100kt/a 合成氨寬溫變換工藝設(shè)計學(xué) 生: 學(xué) 號:專 業(yè): 班 級: 指導(dǎo)教師: 四川理工學(xué)院材料與化學(xué)工程學(xué)院四川理工學(xué)院畢業(yè)設(shè)計(論文) 中文摘要 Ⅰ 摘 要CO 變換反應(yīng)既是原料氣制造的繼續(xù),又是凈化的過程,所以在合成氨工藝流程中占有重要地位。本設(shè)計采用全低變換流程,并對流程中各個設(shè)備進(jìn)行物料和能量衡算,同時對設(shè)備選型計算。在設(shè)備選型計算時主要對全低變換爐進(jìn)行了計算、全低變換催化劑的選型、用量計算和確定全低變換爐工藝尺寸。關(guān)鍵詞:合成氨,變換,催化劑,衡算,選型四川理工學(xué)院畢業(yè)設(shè)計(論文) 英文摘要ⅡThe Wide Temperature Process Design of 100kt / a Synthetic Ammonia Transformation AbstractCO feed gas shift reaction is made to continue, but also a purification process, so play an important role in the ammonia process. This design uses in lowtemperature series transformation process, and the process of various materials and equipment, material balance can be calculated for selection of equipment. In the selection of equipment for low temperature shift in the main furnace calculated: low shift catalyst dosage, the selection and calculation of furnace temperature transform technology dimensions.Keywords: synthetic ammonia, transform, catalyst, calculation and selection四川理工學(xué)院畢業(yè)設(shè)計(論文) 目錄 ⅰ 目錄 言.................................................................................................1 工藝原理 .......................................................................................................................................1 變換工藝流程確定 ......................................................................................................................1 變換工藝參數(shù)的確定 ..................................................................................................................2 壓力 .......................................................................................................................................2 溫度 .......................................................................................................................................2 汽氣比 ...................................................................................................................................2 主要設(shè)備的選擇說明 .................................................................................................................3.....................................................................4 變換爐物料衡算及熱量衡算 .....................................................................................................4 已知轉(zhuǎn)化氣組成 ..................................................................................................................4 本設(shè)計的計算基準(zhǔn) ..............................................................................................................4 工藝條件的確定 ..................................................................................................................4 ............................................................................................4 變換爐催化床層的熱量衡算 .............................................................................................6 變換爐催化劑平衡曲線 .....................................................................................................7 最佳溫度曲線的計算 ..........................................................................................................8 操作線計算 ..........................................................................................................................8 ...................................................................10 飽和塔的物料與熱量衡算 ........................................................................................................10.熱水塔物料與熱量衡算 .........................................................................................................12 ...........................................................................................................13 ...............................................................................................................14 ...........................................................................................................15 物料匯總表 .................................................................................................................................17 熱量匯總表 .................................................................................................................................18 ................................................................................................20............................................................................................................................20............................................................................................................................23............................................................................................................................27 ...................................................................................................................30 ...................................................................................................................36 ................................................................................................................................43 ............................................................................................................................................43四川理工學(xué)院畢業(yè)設(shè)計(論文) 言 ⅱ ............................................................................................................................................44 .............................................................................................................................