【《空气分离制氧的流程分析案例》2000字】

空气分离制氧的流程分析案例目录TOC\o"1-3"\h\u14906空气分离制氧的流程分析案例 195611.1总工艺方案 1237831.2工艺流程概述 334991.2.1空气的过滤装置和加压系统 3282881.2.2空气预冷系统 3179981.2.3空气纯化系统 353591.2.4增压压缩机系统 461741.2.5增压膨胀机系统 4117281.2.6氧、氮分馏系统 424771.2.7制氩系统 5本设计获取O2方法是利用空气为原料在低温下进行分离的，空气通过各种工序的一步步处理由压缩、净化、热交换、冷却、精馏等工序得到O2和N2ADDINEN.CITE<EndNote><Cite><Author>姚力</Author><Year>2015</Year><RecNum>63</RecNum><DisplayText><styleface="superscript">[13]</style></DisplayText><record><rec-number>63</rec-number><foreign-keys><keyapp="EN"db-id="0xxv5e0ztdrwv4e9e2qp5tp1r5w0tvfsetwa"timestamp="1621318930">63</key></foreign-keys><ref-typename="Thesis">32</ref-type><contributors><authors><author>姚力</author></authors><tertiary-authors><author>李士琦,</author></tertiary-authors></contributors><titles><title>钢铁制造流程中空分系统的有用能研究</title></titles><keywords><keyword>(?)分析</keyword><keyword>空分流程</keyword><keyword>节能</keyword><keyword>优化</keyword></keywords><dates><year>2015</year></dates><publisher>北京科技大学</publisher><work-type>博士</work-type><urls></urls><remote-database-provider>Cnki</remote-database-provider></record></Cite></EndNote>[13]，然后还需要储存、加压等工序才能送到用户处。因此氧气的生产过程是一个非常繁琐的过程。1.1总工艺方案50000Nm3/h空分设备由压缩、预冷、纯化、制冷、换热和精馏、成品输运、仪表控制等系统组成ADDINEN.CITE<EndNote><Cite><Author>毛绍融</Author><Year>2010</Year><RecNum>21</RecNum><DisplayText><styleface="superscript">[14]</style></DisplayText><record><rec-number>21</rec-number><foreign-keys><keyapp="EN"db-id="0xxv5e0ztdrwv4e9e2qp5tp1r5w0tvfsetwa"timestamp="1619675038">21</key></foreign-keys><ref-typename="JournalArticle">17</ref-type><contributors><authors><author>毛绍融</author><author>朱朔元</author><author>周智勇</author><author>卢杰</author></authors></contributors><auth-address>杭州杭氧股份有限公司;</auth-address><titles><title>60000m~3/h等级内压缩流程空分设备的研制</title><secondary-title>深冷技术</secondary-title></titles><periodical><full-title>深冷技术</full-title></periodical><pages>41-45</pages><number>06</number><keywords><keyword>大型空分设备</keyword><keyword>内压缩流程</keyword><keyword>研制</keyword><keyword>创新</keyword></keywords><dates><year>2010</year></dates><urls></urls><remote-database-provider>Cnki</remote-database-provider></record></Cite></EndNote>[14]。图1.1所示为50000Nm3/h制氧流程。此制氧过程为内压缩流程。此流程和配套部分的特点是：（1）气体的空压机组和空气的压缩机组都是用离心式增压机，用汽轮机来进行动力输出。（2）纯化气体装置采用双层分子筛纯化器。（3）制冷用压缩透平膨胀机，将空气制冷液化，然后又将膨胀后的气体送去精馏塔的下部。（4）高效板翅式换热器用来当主换热器，由高压和低压组成换热器部分。图1.150000Nm3/h制氧流程其主要参数见表1.1。表1.150000Nm3/h空分设备主要参数产品产量Nm3/h纯度压力MPa温度℃备注氧气5000099.6%O20.1414.8上塔压力氧气氮气4500099.999%N20.514.8下塔压力氮气仪表空气19000常压露点，-40℃0.940——工厂空气19000常压露点，-40℃0.940——1.2工艺流程概述1.2.1空气的过滤装置和加压系统本设计使用自洁式过滤器和透平压缩机ADDINEN.CITE<EndNote><Cite><Author>黄伟林</Author><Year>2017</Year><RecNum>64</RecNum><DisplayText><styleface="superscript">[15]</style></DisplayText><record><rec-number>64</rec-number><foreign-keys><keyapp="EN"db-id="0xxv5e0ztdrwv4e9e2qp5tp1r5w0tvfsetwa"timestamp="1621318991">64</key></foreign-keys><ref-typename="Thesis">32</ref-type><contributors><authors><author>黄伟林</author></authors><tertiary-authors><author>吴向明,</author></tertiary-authors></contributors><titles><title>H公司空气分离装置项目成本控制研究</title></titles><keywords><keyword>成本控制</keyword><keyword>空气分离装置</keyword><keyword>数据统一平台</keyword><keyword>H公司</keyword></keywords><dates><year>2017</year></dates><publisher>浙江工业大学</publisher><work-type>硕士</work-type><urls></urls><remote-database-provider>Cnki</remote-database-provider></record></Cite></EndNote>[15]。过滤系统AF将粗糙空气过滤完成。出来的净化空气经过压缩系统ATC1（压到0.5MPa），最后流入预冷系统AC进行初次换热降温ADDINEN.CITE<EndNote><Cite><Author>陈彩霞</Author><Year>2008</Year><RecNum>9</RecNum><DisplayText><styleface="superscript">[16]</style></DisplayText><record><rec-number>9</rec-number><foreign-keys><keyapp="EN"db-id="0xxv5e0ztdrwv4e9e2qp5tp1r5w0tvfsetwa"timestamp="1619672290">9</key></foreign-keys><ref-typename="Thesis">32</ref-type><contributors><authors><author>陈彩霞</author></authors><tertiary-authors><author>舒水明,</author></tertiary-authors></contributors><titles><title>全低压空分装置流程与精馏过程的模拟分析</title></titles><keywords><keyword>空分</keyword><keyword>提取率</keyword><keyword>ASPEN</keyword><keyword>PLUS</keyword><keyword>HYSYS</keyword></keywords><dates><year>2008</year></dates><publisher>华中科技大学</publisher><work-type>硕士</work-type><urls></urls><remote-database-provider>Cnki</remote-database-provider></record></Cite></EndNote>[16]。1.2.2空气预冷系统由空气冷凝、水冷塔及4台泵等设备组成ADDINEN.CITE<EndNote><Cite><Author>叶鸿飞</Author><Year>2017</Year><RecNum>32</RecNum><DisplayText><styleface="superscript">[17]</style></DisplayText><record><rec-number>32</rec-number><foreign-keys><keyapp="EN"db-id="0xxv5e0ztdrwv4e9e2qp5tp1r5w0tvfsetwa"timestamp="1619686089">32</key></foreign-keys><ref-typename="JournalArticle">17</ref-type><contributors><authors><author>叶鸿飞</author></authors></contributors><titles><title>空分装置预冷系统在线清洗应用实例</title><secondary-title>氮肥与合成气</secondary-title></titles><periodical><full-title>氮肥与合成气</full-title></periodical><pages>17-19</pages><volume>45</volume><number>005</number><dates><year>2017</year></dates><urls></urls></record></Cite></EndNote>[17]。装有两层塔料的空气冷却塔AC，空气进入冷却塔底部的任务是由气体压缩设备ATC1担任的，从下部到上端与填料层的填料接触ADDINEN.CITE<EndNote><Cite><Author>陈彩霞</Author><Year>2008</Year><RecNum>9</RecNum><DisplayText><styleface="superscript">[16]</style></DisplayText><record><rec-number>9</rec-number><foreign-keys><keyapp="EN"db-id="0xxv5e0ztdrwv4e9e2qp5tp1r5w0tvfsetwa"timestamp="1619672290">9</key></foreign-keys><ref-typename="Thesis">32</ref-type><contributors><authors><author>陈彩霞</author></authors><tertiary-authors><author>舒水明,</author></tertiary-authors></contributors><titles><title>全低压空分装置流程与精馏过程的模拟分析</title></titles><keywords><keyword>空分</keyword><keyword>提取率</keyword><keyword>ASPEN</keyword><keyword>PLUS</keyword><keyword>HYSYS</keyword></keywords><dates><year>2008</year></dates><publisher>华中科技大学</publisher><work-type>硕士</work-type><urls></urls><remote-database-provider>Cnki</remote-database-provider></record></Cite></EndNote>[16]，经从上而下的水换热降温而变冷ADDINEN.CITE<EndNote><Cite><Year>2003</Year><RecNum>31</RecNum><DisplayText><styleface="superscript">[18]</style></DisplayText><record><rec-number>31</rec-number><foreign-keys><keyapp="EN"db-id="0xxv5e0ztdrwv4e9e2qp5tp1r5w0tvfsetwa"timestamp="1619685858">31</key></foreign-keys><ref-typename="JournalArticle">17</ref-type><contributors></contributors><titles><title>空分装置利用LNG冷量的热力学分析</title><secondary-title>深冷技术</secondary-title></titles><periodical><full-title>深冷技术</full-title></periodical><pages>26-30</pages><number>03</number><dates><year>2003</year></dates><urls></urls></record></Cite></EndNote>[18]，与此同时将有害气体用水洗掉，接下来经过顶端的特殊分离器，进入下一个重要的工艺系统那就是分子筛纯化工段MS1和MS2，15℃左右的气体从空冷塔装置ATC1出来ADDINEN.CITE<EndNote><Cite><Author>陈彩霞</Author><Year>2008</Year><RecNum>9</RecNum><DisplayText><styleface="superscript">[16]</style></DisplayText><record><rec-number>9</rec-number><foreign-keys><keyapp="EN"db-id="0xxv5e0ztdrwv4e9e2qp5tp1r5w0tvfsetwa"timestamp="1619672290">9</key></foreign-keys><ref-typename="Thesis">32</ref-type><contributors><authors><author>陈彩霞</author></authors><tertiary-authors><author>舒水明,</author></tertiary-authors></contributors><titles><title>全低压空分装置流程与精馏过程的模拟分析</title></titles><keywords><keyword>空分</keyword><keyword>提取率</keyword><keyword>ASPEN</keyword><keyword>PLUS</keyword><keyword>HYSYS</keyword></keywords><dates><year>2008</year></dates><publisher>华中科技大学</publisher><work-type>硕士</work-type><urls></urls><remote-database-provider>Cnki</remote-database-provider></record></Cite></EndNote>[16]。空冷塔进水有两部分。下部分为由循环水泵WP1将凉水塔来的水注入空冷塔的中段由上向下循环回凉水塔。上部分冷水由水冷却塔EC、由精馏塔上塔C2和精氩塔C703中与污氮气换热得到，经过加压泵WP2到空气冷却塔顶部。1.2.3空气纯化系统组成主要由吸附器、气体加热器和电加热器。其中吸附器MS1和MS2有双层结构的特点（下层为活性Al2O3，上层为分子筛）两台机器一备一用。由上个系统过来的冷气，经此步骤后完成净化后全部进入精馏塔。污N2是分馏塔出来的，去掉水份和一氧化碳，污N2将它们吹冷排入大气。再生气经蒸汽和电加热设备SH升温至255℃得到再生气。经纯化后的空气CO2的含量小于0.5ppm。ADDINEN.CITE<EndNote><Cite><Author>李苏巧</Author><Year>2013</Year><RecNum>33</RecNum><DisplayText><styleface="superscript">[19]</style></DisplayText><record><rec-number>33</rec-number><foreign-keys><keyapp="EN"db-id="0xxv5e0ztdrwv4e9e2qp5tp1r5w0tvfsetwa"timestamp="1620353226">33</key></foreign-keys><ref-typename="Thesis">32</ref-type><contributors><authors><author>李苏巧</author></authors><tertiary-authors><author>唐忠利,</author></tertiary-authors></contributors><titles><title>空分18000Nm~3/h纯氮装置流程的稳态及动态模拟</title></titles><keywords><keyword>空分</keyword><keyword>HYSYS</keyword><keyword>稳态模拟</keyword><keyword>动态模拟</keyword><keyword>板翅式换热器</keyword></keywords><dates><year>2013</year></dates><publisher>天津大学</publisher><work-type>硕士</work-type><urls></urls><remote-database-provider>Cnki</remote-database-provider></record></Cite></EndNote>[19]1.2.4增压压缩机系统从上个系统来的被净化的空气经过ATC2加压。加压之后又分为两部分，一部分从其中部引出又经压缩系统BC，然后经过主换热器E1冷却后的气体又用ET进行增压操作；另一部分从加压完成后从末端排出，后进入了主换热系统E1进行降温。ADDINEN.CITE<EndNote><Cite><Author>彭相磊</Author><RecNum>35</RecNum><DisplayText><styleface="superscript">[20]</style></DisplayText><record><rec-number>35</rec-number><foreign-keys><keyapp="EN"db-id="0xxv5e0ztdrwv4e9e2qp5tp1r5w0tvfsetwa"timestamp="1620353414">35</key></foreign-keys><ref-typename="Thesis">32</ref-type><contributors><authors><author><styleface="normal"font="default"charset="134"size="100%">彭相磊</style></author></authors></contributors><titles><title><styleface="normal"font="default"charset="134"size="100%">兖矿国宏</style><styleface="normal"font="default"size="100%">30000Nm3/h</style><styleface="normal"font="default"charset="134"size="100%">空分净化装置节能和优化</style></title></titles><dates></dates><publisher><styleface="normal"font="default"charset="134"size="100%">天津大学</style></publisher><urls></urls></record></Cite></EndNote>[20]1.2.5增压膨胀机系统该系统主体是透平膨胀机。从上个系统E1中出来经降温的空气，进入由膨胀机ET，高压空气再循环回E1被降温，在主热交换器E1中与返流的液O2、N2和污氮降温为所需温度后，有一次进入膨胀机ET让空气的压力完成又一次增高，得到的空气通往下塔C1进行分流操作。ADDINEN.CITE<EndNote><Cite><Author>彭相磊</Author><RecNum>35</RecNum><DisplayText><styleface="superscript">[20]</style></DisplayText><record><rec-number>35</rec-number><foreign-keys><keyapp="EN"db-id="0xxv5e0ztdrwv4e9e2qp5tp1r5w0tvfsetwa"timestamp="1620353414">35</key></foreign-keys><ref-typename="Thesis">32</ref-type><contributors><authors><author><styleface="normal"font="default"charset="134"size="100%">彭相磊</style></author></authors></contributors><titles><title><styleface="normal"font="default"charset="134"size="100%">兖矿国宏</style><styleface="normal"font="default"size="100%">30000Nm3/h</style><styleface="normal"font="default"charset="134"size="100%">空分净化装置节能和优化</style></title></titles><dates></dates><publisher><styleface="normal"font="default"charset="134"size="100%">天津大学</style></publisher><urls></urls></record></Cite></EndNote>[20]1.2.6氧、氮分馏系统它主要由下和上塔C1和C2、主冷凝蒸发装置K1、过冷却器E3和液O2泵OP组成。从上两个系统来的两股净化气进入热交换装置E1降温至露点附近之后都送到下塔C1。经下塔C1的分流，在下塔顶部获得N2，将一小股到蒸发器K704充当热源，剩下一股被K1冷凝，冷凝过的N2一股又回流液进下塔C1，一股由主换热E1加热得到N2产品。剩余N2由E3过冷完，一股成了液氮成品，一小股成了冷源进入K703，另一股成为上塔C2的回流液ADDINEN.CITE<EndNote><Cite><Author>彭相磊</Author><RecNum>65</RecNum><DisplayText><styleface="superscript">[20]</style></DisplayText><record><rec-number>65</rec-number><foreign-keys><keyapp="EN"db-id="0xxv5e0ztdrwv4e9e2qp5tp1r5w0tvfsetwa"timestamp="1621319375">65</key></foreign-keys><ref-typename="Thesis">32</ref-type><contributors><authors><author>彭相磊</author></authors></contributors><titles><title>兖矿国宏30000Nm3/h空分净化装置节能和优化</title></titles><dates></dates><publisher>天津大学</publisher><urls></urls></record></Cite></EndNote>[20]。分馏塔下塔C1的下段得到污液氮，通过E3完成过冷后，加入上塔C2上段经节流后进行分流。在分馏塔底部是高氧液空，经E3过冷后，ADDINEN.CITE<EndNote><Cite><Author>刘琴</Author><RecNum>37</RecNum><DisplayText><styleface="superscript">[21,22]</style></DisplayText><record><rec-number>37</rec-number><foreign-keys><keyapp="EN"db-id="0xxv5e0ztdrwv4e9e2qp5tp1r5w0tvfsetwa"timestamp="1620354665">37</key></foreign-keys><ref-typename="Thesis">32</ref-type><contributors><authors><author>刘琴</author></authors></contributors><titles><title>空分系统中主精馏塔参数的模拟分析</title></titles><dates></dates><publisher>天津大学</publisher><urls></urls></record></Cite><Cite><Author>薛祥龙</Author><RecNum>66</RecNum><record><rec-number>66</rec-number><foreign-keys><keyapp="EN"db-id="0xxv5e0ztdrwv4e9e2qp5tp1r5w0tvfsetwa"timestamp="1621319478">66</key></foreign-keys><ref-typename="Generic">13</ref-type><contributors><authors><author>薛祥龙</author><author>闫振华</author></authors></contributors><titles><title>N型模式节能制气方法及n型模式节能制气装置</title></titles><dates></dates><urls></urls></record></Cite></EndNote>[21,22]一股作为粗氩塔C702的冷却源，另一股至上塔中部节流后进行分流。经上塔C2分流，在顶部得到污N2，污N2经E3加热后，一股通过E1和EC制冷；一股经E1加热在纯化工段再生；ADDINEN.CITE<EndNote><Cite><Author>董华</Author><RecNum>38</RecNum><DisplayText><styleface="superscript">[13,23]</style></DisplayText><record><rec-number>38</rec-number><foreign-keys><keyapp="EN"db-id="0xxv5e0ztdrwv4e9e2qp5tp1r5w0tvfsetwa"timestamp="1620355105">38</key></foreign-keys><ref-typename="Thesis">32</ref-type><contributors><authors><author>董华</author></authors></contributors><titles><title>高硫煤综合利用甲醇生产危险有害性分析评价及预控</title></titles><dates></dates><publisher>天津大学</publisher><urls></urls></record></Cite><Cite><Author>姚力</Author><Year>2015</Year><RecNum>40</RecNum><record><rec-number>40</rec-number><foreign-keys><keyapp="EN"db-id="0xxv5e0ztdrwv4e9e2qp5tp1r5w0tvfsetwa"timestamp="1620355322">40</key></foreign-keys><ref-typename="Thesis">32</ref-type><contributors><authors><author>姚力</author></authors><tertiary-authors><author>李士琦,</author></tertiary-authors></contributors><titles><title>钢铁制造流程中空分系统的有用能研究</title></titles><keywords><keyword>(?)分析</keyword><keyword>空分流程</keyword><keyword>节能</keyword><keyword>优化</keyword></keywords><dates><year>2015</year></dates><publisher>北京科技大学</publisher><work-type>博士</work-type><urls></urls><remote-database-provider>Cnki</remote-database-provider></record></Cite></EndNote>[13,23]另一股经主换热E1加热得到N2产品。液态O2从K1底部出来，一股成O2成品，其它经OP增压入主换热器E1加热后得到O2产品。ADDINEN.CITE<EndNote><Cite><Author>王勇</Author><RecNum>41</RecNum><DisplayText><styleface="superscript">[24]</style></DisplayText><record><rec-number>41</rec-number><foreign-keys><keyapp="EN"db-id="0xxv5e0ztdrwv4e9e2qp5tp1r5w0tvfsetwa"timestamp="1620355391">41</key></foreign-keys><ref-typename="Thesis">32</ref-type><contributors><authors><author>王勇</author></authors></contributors><titles><title>空气分离整体工艺流程模拟及优化</title></titles><dates></dates><publisher>天津大学</publisher><urls></urls></record></Cite></EndNote>[24]1.2.7制氩系统从分馏塔C2中间引出粗N2，从C701底部进入，在C701中将粗N2中的Ar进行初步分离，一部分初步分离的粗Ar从粗氩塔Ⅰ进入粗氩塔Ⅱ的底部，另一部分提取Ar的粗N2流回分馏塔上塔C2中ADDINEN.CITE<EndNote><Cite><Author>邹环泽</Author><Year>2017</Year><RecNum>67</RecNum><DisplayText><styleface="superscript">[25]</style></DisplayText><record><rec-number>67</rec-number><foreign-keys><keyapp="EN"db-id="0xxv5e0ztdrwv4e9e2qp5tp1r5w0tvfsetwa"timestamp="1621319614">67</key></foreign-keys><ref-typename="Thesis">32</ref-type><contributors><authors><author>邹环泽</author></authors><tertiary-authors><author>王丹,</author><author>魏顺安,</author></tertiary-authors></contributors><titles><title>深冷空分的过程模拟与节能分析</title></titles><keywords><keyword>空分</keyword><keyword>AspenPlus</keyword><keyword>AspenEnergyAnalysis</keyword><keyword>过程模拟</keyword><keyword>优化分析</keyword></keywords><dates><year>2017</year></dates><publisher>重庆大学</publisher><work-type>硕士</work-type><urls></urls><remote-database-provider>Cnki</remote-database-provider></rec