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水吸收二氧化硫過程填料吸收塔設(shè)計(已修改)

2025-06-20 02:16 本頁面
 

【正文】 齊 齊 哈 爾 大 學(xué) 化工原理課程 設(shè)計 題 目 水 吸收二氧化硫 過程 填料吸收塔設(shè)計 學(xué) 院 材料 科學(xué)與工程學(xué)院 專業(yè) 班級 高分子 131 學(xué)生 姓名 指導(dǎo) 教師 成 績 2021 年 7 月 8 日 齊齊哈爾大學(xué)化工原理 課程 設(shè)計 1 摘要 在 化學(xué)工業(yè)中,經(jīng)常需將氣體混合物中的各個組分加以分離,其目的是回收或捕獲氣體混合物中的有用物質(zhì),以制取產(chǎn)品;除去工藝氣體中的有害成 分, 使氣體凈化,以便進(jìn)一步加工處理;或除去工業(yè)放空尾氣中的有害物,以免污染大氣。實際過程往往同時兼有凈化和回收雙重目的。氣體混合物的分離,總是根據(jù)混合物中各組分間某種物理和化學(xué)性質(zhì)的差異而進(jìn)行的。吸收操作僅為其中之一,它利用混合物中各組分在液體中溶解度或化學(xué)反應(yīng)活性的差異,在氣液兩相接觸時發(fā)生傳質(zhì),實現(xiàn)氣液混合物的分離。完整的吸收過程應(yīng)包括吸收和解吸兩部分。在化工生產(chǎn)過程中,原料氣 的凈化,氣體產(chǎn)品的精制,治理有害氣體,保護(hù)環(huán)境等方面都要用到氣體吸收過程。二氧化硫填料吸收塔,以水為溶劑, 經(jīng)濟(jì)合理,凈化度高,污染小。以下是以水為溶劑吸收二氧化硫的設(shè)計。 關(guān)鍵詞 : 水 。二氧化硫 ; 吸收 ;填料塔 齊齊哈爾大學(xué)化工原理 課程 設(shè)計 2 Abstract In the chemical industry, often need all ponents to be separated from the gas mixture, the goal is to recycle or capturing the useful substances in the gas mixture, in making products。 To remove the harmful position in process gas, gas purification, so that further processing。 Or remove empty industrial tail gas of pests, in order to prevent atmospheric pollution. The actual process often purification and recycling dual purpose concurrently at the same time. The separation of gas mixture, according to the ponents in the mixture is always some difference of the physical and chemical properties. Absorption of operation is only one of them, it USES mixture ponents solubility in the liquid or chemical reactivity, in gas liquid two phase mass transfer during contact, achieve separation of the mixture of gas and liquid. Complete absorption process should include two parts of the absorption and desorption. In the process of chemical production, feed gas purification, gas products refined, governance and harmful gas, gas absorption process is necessary for protect the environment, etc. Sulfur dioxide packing absorption tower, with water as solvent, economic and reasonable, purifying degree is high, pollution is small. The following is based on the design of the water as solvent absorption of sulfur dioxide. Key word: water; sulfur dioxide; absorption; packed tower 齊齊哈爾大學(xué)化工原理 課程 設(shè)計 3 目錄 摘要 ........................................................................................................................ 1 Abstract .................................................................................................................. 2 第一章 緒論 ........................................................................................................ 1 概述 ........................................................................................................ 1 操作條件 ................................................................................................ 3 填料類型 ................................................................................................ 3 廠址選擇 ................................................................................................ 3 第二章 設(shè)計方案的選擇與論證 ........................................................................ 3 設(shè)計流程 ................................................................................................ 3 吸收劑的選擇與再生方法的選擇 ............................................ 3 裝置流程的確定 ........................................................................ 6 吸收工藝流程的確定 ................................................................. 7 填料的類型與選擇 .................................................................... 8 操作溫度與壓力的確定 .......................................................... 11 除沫器(除霧 器) .................................................................. 13 管口結(jié)構(gòu) .................................................................................. 14 設(shè)計要求 .............................................................................................. 15 第三章 塔的工藝計算 ...................................................................................... 16 齊齊哈爾大學(xué)化工原理 課程 設(shè)計 4 基礎(chǔ)物性數(shù)據(jù) ...................................................................................... 16 液相物性數(shù)據(jù) .......................................................................... 16 氣相物性數(shù)據(jù) ....................................................................... 16 氣液相平衡數(shù)據(jù) ...................................................................... 17 物料衡算 .................................................................................. 17 塔的結(jié)構(gòu)設(shè)計 ...................................................................................... 18 塔徑的確定 ..
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