氨吸收填料塔的设计 化工原理课程设计

A1A0A2A3A4A50一课程名称氨吸收填料塔的设计二、课题条件1混合气体处理量4460HNM32原料气组成3NH45，空气553原料气温度35C4吸收率不低于955吸收剂X2UA163A164A165合格G4557于鲍尔环来说AG32112323/MMHMMDWULL2322/317817236141439976/3600635754/PIUMG76NG3200898483112UUA163A164A165合格264塔径和填料公称直径的比值的核算830501500DD（G4557于鲍尔环填料）8724501236DD（G4557于阶梯环填料）G6164G1209G6164选填料规格G17878宜。A168A169A170A171A172A173A1742027填料层高度271传质系数的计算2711有效面积（润湿面积A）2020502210750451EXP1TLLLTLLTLCTAGGAGAGAA（213）G5347中AG252单位体G12227填料的总表G19766G12227，/MA175AA176G252单位体G12227填料的总表G19766G12227，/MA175G252液体的表G19766G5364力，G49/MA177G252填料材G17148临界表G19766G5364力，G49/M，陶瓷A177G326110A178A175G49/MGA179A180A180液体G17902过塔G6142G19766的G17148量流率，KG/G86LG252液相粘度，G51AG86LG252液气相密度，KG/3MGG252G18337力G2164G17907度G15M/G86A181G9448算过程G3926下根据化工工艺设计G6175G1888G12544三G10268G990G1888G125442715G20041G7609G5483表25水的表G19766G5364力A182A183A184温度G263水的表G19766G5364力MN/200072667300071196400069627根据化工工艺设计G6175G1888G12544三G10268G990G1888G125442769G20041G7609G5483表2620G263一定G17148量分数的氨水溶液的表G19766G5364力A182A183A184G17148量分数W氨水的表G19766G5364力1DYNCM04572557726574A185A186A187A188A189A190A19121利用外G6524G8873G2499G548320G263G7114G17148量分数为3678的氨水溶液的表G19766G5364力为7734505572727450746555721解G5483MNCMDYN/06944100/4401691在G8504吸收过程中，氨溶于水中的量较G4581，氨水溶液的物G5627G2454数均与水相G1296，G6164G1209G7389396402G2633064023919671304019671627692解G5483MN/06968350220640239440169206402396677275270解G5483MN/06645660G1856G5347（213）中MNC/10613MN/104566663/289363508114348719754871975222SMKGDAWGLLPISPAL3107530103/6977MKGL2/819SMGG4557于拉西环32/93MMAT鲍尔环32/3112MMAT20320502210375093104566665979289363819697793289363107530109328936345666661451EXP193A解G548332/82854MMAG2528理G2499G5483鲍尔环填料32/88269MMA2712气相传质系数的计算G11013于氨水是G7143G4493气体，G4658于气膜G6523G2058，无G19668计算液相G1268G17148G13007数。气相G1268G17148G13007数的计算G5347GKG3223/170PTVTVVVVVDARTDADAGC（214）G5347中RG252气体常数，8314KG45/KMG82G79KG55G252气体温度，KDA192G252溶G17148在气相中的扩散G13007数，/G86UA192G252气体G17902过空塔G6142G19766的G17148量流率，2/KGMSVG252气体粘度，G51AG86VG252气体密度，KG/MA193G9448算过程G3926下1拉西环填料A194A195A196A197A198A199A20022化工工艺设计G6175G1888G12544三G10268G990G1888G125442703G7609G5483SMSCMDV/10981/19802523/903940MKGVKKMOLKJR/3148G55G32396402G1427315G323127902K化工流体流G2172与G1268G9921G12544二G10268G1254411G2004121212IIIVIIYMYM（215）化工工艺设计G6175G1888G12544三G10268G990G1888敌2688G20041氨气的G3364G7643为XG3284，G60G3216化工流体流G2172与G1268G9921G12544二G10268G12544346G20041G3282G11705SMPANH0107503SMPAK018750根据G1856G5347（215）G2499G1209计算出气体的粘度V为01760902924480117024480291001920244801171001120244802/12/12/132/13VMG51AG8651TOTVPVPODODV2744SM/1025根据G1856G5347（214）G2499G11705气相G1268G17148G13007数为/10664111050937902312314810744293903401074421001760901001760908285449320235252353/153703KPASMKMOLKG2鲍尔环填料G2528理G2499G11705气相G1268G17148G13007数为OKPASMKMOLKG/101643125272填料层高度填料G4630G20652度计算涉及物料G15925算、G1268G17148G17907率G2656相G5191G15925关G13007。G4557于G6984G1022吸收塔，气、液的G8999度分布都沿塔G20652G2476化，吸收G17907率也在G2476化。G6164G1209要在G1852塔G14551G3272G5224用吸收G17907率关G13007G5347，G4613要采用G5506分方G8873，然G2530G12227分G5483到填料G4630的总G20652度。选取G1268G17148单元数G8873求解填料G4630G20652度。原料气组成中氨气G255945，G4658于G20652G8999度气体的吸收。气液流率沿塔G20652G2476化明显，溶液G9921G6940G5224大，气液温度G2331G20652，G5191G15925G13459斜率也G4570沿塔G20652G6925G2476。气液相吸收分G13007数G5194G19762常数，总吸收G13007数G2476化更为显著，因G8504，G20652G8999度气体的吸收G2499用G3926下G1856G5347计算A201A202A203A204A205A206A20723ZG32AKVY12YY111EYYDY（216）G5347中G57G252气相总G6717尔流量，KMG82G79/G86AKYG252气膜体G12227吸收G13007数EYG252成G5191G15925的气相度（217）G1268G17148单元数G49A208A209G19668用G3282解G12227分G8873求出。G1209111EYY为G13449G3364G7643，G1209Y为G8190G3364G7643作G3282，G6164G5483G7366G13459与1Y，2YG3272成的G19766G12227G2375为定G12227分OGNG3212YY111EYYDYG9448算过程G3926下2721传质单元高度（OGH）的计算1拉西环填料的气相G1268G17148单元G20652度OGHOGHG32AKVYG32M2980082854450811331049091422360026943506232鲍尔环填料的气相G1268G17148单元G20652度OGHOGHG32AKVYG32MO505088269423611431004311360042226943506232722传质单元数的计算（OGN）G1209EY为G8190G3364G7643作G3282，G120911EYYY为G13449G3364G7643G15求G6164G3272成的G19766G12227。其中YG2656EY的值从G2081G19766已解出。表27G13479G7536汇总G920039600857012790166702027G92A210000492060011670020100305004291/G11G111G92G12G11G92G92A210G12G1230021477421063698810978488G92023590266902956032250347712OGOGYYEYYYDYAKVNHZA211A212A213A214A215A216A21724G92A2100057700750095301188014591/G11G111G92G12G11G92G92A210G12G12734427108270876724675968G600371003935041430434004527G92A21001770021240252702982034961/G11G111G92G12G11G92G92A210G12G128195091043105653130102177221G920470304869G92A21004074047211/1YYYE3001371316850根据G3282G4613G2499G5483到162510210258103OGNG4557于拉西环填料29800OGOGNHZ538311625G4557于鲍尔环填料因为采用G990G17860方G8873求出的填料G4630G20652度还G5224留出一定的安G1852裕度。根据设计G13475G20576，填料G4630的实际G20652度一般为1315ZZG11取14ZZG12MZ1536225383141,（拉西环填料）MZ488627776141,（鲍尔环填料）273塔高的计算塔G20652分G2047为MOZH1536235115362251（拉西环填料）MZH98863514886251（鲍尔环填料）MNHZ777615235050OGOGA218A219A220A221A222A223A22425第三章附属装置和辅助设备G6117G1216已G13475在G2081G19766已G13475确定了G4448成G8504G8437吸收G1231G2165的主体设备G252填料塔，G5194G1000计算出了塔径G2656填料G4630的G20652度，粗略的计算出了填料塔G20652度，G10628在G19668选择合G17878的附G4658G16025置（塔G1881件）。填料吸收塔附G4658G16025置的选型及G17753G2173设备的选型，均在G7424章中予G1209介绍。31附属装置的选型311液体分布器液体在填料塔顶G2955淋的均G2260状G1929是提供塔G1881气液均G2260分布的先决条件，也是G1363填料塔达到预期分离G6940G7536的保证。选型与设计要求1液体分布要均G22602自G11013G6142G19766率要大3操作G5389G5627大4不G7143堵塞、G5353G17227雾沫夹G5114及G17227泡G125735G2499用G3822种材料G2058作，G1000G2058造安G16025方便，G4493G7143G16855G6984水G5191G12661G5347分布器G1867G7389G13479G7512G12628单、供气体流过的自G11013G6142G19766大、阻力G4579G12573优G9869，G5194G1000在吸收过程中液体负荷G4579，不G1262发G10995堵塞。312填料支承装置其作用是用于G6915承塔填料及G6164持G7389的气体、液体的G17148量，G2528G7114G17227G11540气液流G17959及气体均布作用大体G2499分为两G12879（1）G5191G7507型G6915承G7507（2）气体G2955射型。313填料压紧装置其作用是防止在G990G2331气流的作用下填料床G4630发G10995松G2172G6122G990下跳G2172。314气体的进口装置与排液装置填料塔的气体进口既要防止液体倒灌又要G7389利于气体的均G2260分布。G455705MG1209下的塔，G2499G1363进气G12661伸到塔中心位置，G12661G12483切成45向下斜口G6122切成向下切口，G1363气流A225A226A227A228A229A230A23126折G17728向G990；G455715M直径G1209下的塔，G12661的末G12483G2499G2058成下弯的锥形扩大器，G6122采用其他均布气流的G16025置。气体出口G16025置既要保证气流畅G17902，又要尽量除去呗夹G5114的液体。G7380G12628单的方G8873是在气体出口处G16025一除沫挡G7507（折G7507）、除沫器、旋流G7507除雾器G12573。液体出口G16025置既要G1363塔G5225液体顺利排出，又G14033防止塔G1881与塔外气体串G17902，常压吸收塔G2499G1209采用液封G16025置。根据计算出的气液流量、塔径、及气液流G17907的综合考虑，G6117G1216选用G1209下附G4658G16025置。表31填料塔的附G4658G16025置G16025置G12879型塔G1881件名称液体分布器单排G12661G5347G3822孔分布器填料G6915承G16025置栅G7507G5347的G6915承G7507填料压紧G16025置压紧栅G7507气体进口G12661的末G12483G2499G2058成下弯的锥形扩大器气体出口G16025置除沫挡G7507（折G7507）、除沫器、旋流G7507除雾器液体出口G16025置液封G16025置G1867体尺寸G2454G16277设备总G16025G3282。G11013于填料G20652度不是G5468G20652，G6164G1209不G19668液体再分布器，因G8504，也G7422G4557其进行选择。32辅助设备的选型321管径的计算G12661路的G1881径G2499用圆形G12661路的流量G1856G5347，G2375UVDSPI4（31）清水G11013G8905运送到塔顶的进液口，G6164G1209计算G12661径是用进口处为G1946；G4557于气相，则G4658于常压操作。A225A226A227A228A229A230A23127G11013G8504计算的G12661径不一定是G6984数值，G19668要G2454G10043G7643G1946，选用G7643G1946G12661径，G6177G14033作为操作中的实际G12661径。计算气相G12661径气体进料温度为35G263先取流G17907为15M/G86，G2081G19766计算出SMVS/604513UVDSPI4G32MM13691514163604514G6164G1209根据化工流体流G2172与G1268G9921G12544354G20041，选外径为402MM，G3733厚为10MM的G12661，G6164G1209G1881径G4613是MM382102402G11013于G12661路采用G7643G1946G12661路，因G8504实际操作G5785G1929下的流G17907不是选取的流G17907，G19668要用G7643G1946G12661径G2465算操作流G17907，进行校G7692。SMDVUSB/0031153691014163604514422PI校G7692成功。计算液相G12661径因为是水及低粘度流体，G6164G1209取SMU/52331910VLHMOLVL/13143514223319104532331910SMVS/0056740279952998118360043511313MUVDS0538052143005674044PI表32某G1135流体在G12661路中的常用流G17907G14551G3272流体的G12879G2047及G5785G1929流G17907G14551G3272G15M/G86水及低粘度流体（1105G51A1106G51A）1530常压气体1020A232A233A234A235A236A237A23828G6164G1209根据化工流体流G2172与G1268G9921G12544354G20041选外径60MMG15又因为是常压下，选3MM厚G2375G2499。G6164G1209选G12661外径60MM，G3733厚3MM的无G13553钢G12661。G2465算流G17907校G7692，SMDVUS/49722051014300502504422PI校G7692成功。323泵的选型液体输送设备的种G12879G5468G3822，按G10043工作原理的不G2528，分为离心G8905、往G3809G8905、旋G17728G8905与旋G9077G8905G12573几种。其中，G1209离心G8905在G10995G1147G990G5224用G7380为G5203G8879。G7424G8437课程设计要求输送清水，G6164G1209选择离心G8905。根据化工流体流G2172与G1268G9921G12544335G20041G1520G263G7114水的密度31/2998MKG，黏度为SPA511050100。30G263G7114水的密度为32/7995MKG，黏度为SPA521085782。25G263G7114321/9599627995299822MKGOHSPA5521106785911028578250100240001046097110678591959964972205380RE55BDUG6164G1209是G9249流。根据化工流体流G2172与G1268G9921G1254452G20041表12G11705MME150，则3310788120538010150DE，根据RG72G2656G72/DG7609化工流体流G2172与G1268G9921G990G1888课G7424G3282125G548302530。G12661路G14033量损G3845GUDLLHBEF22G1132G12G7609G12661件与G19412G19388的G5415量长度G1861G13459G32822，3G1022弯G3848（G7643G194690G101弯G3848）G8611G1022为15M2G1022三G17902（直G1849G7061出），G8611G10224M，3G1022G6142止G19412，G8611G1022185M，A239A240A241A242A243A244A24529。选G12661长为7M。G12661进口阻力G13007数为IG3205M，G12661出口阻力G13007数为0G3210MIG3205G1410G3215MMHF7321181924972251053804236135187025302选出口外G1403G2656G17154G8145液G19766G1055G19400G2027G7587G2174力方程MHGUGPZHEFB732167321100522根据流量HMSMQE/426420/005674033G2656HG72选G8905根据化工流体流G2172与G1268G9921G12544359G20041附G5417二G2325三单G13435单吸G5760G14230G5347离心水G8905G44G54选出G44G548065125表33G44G548065125G8905的G5627G14033G2454数G17728G17907/MINR流量3/MHG6208程HMG6940率G17736功率KW必G19668G8785蚀G1325量M145025206022225G7692算G8905的G17736功率因为是水G8905，G6164G1209G8905的G17736功率不用校G7692，G6164G1209G6164选G8905合G17878。实际气蚀G1325量MNPSHNPSHR03505250G1813G16780安G16025G20652度100FVHNPSHGPPHGPAPA89590根据化工流体流G2172与G1268G9921G12544336G20041G1170515G263G7114PAPV893167MHF15238192497225005405186102530210（选G17154G8145液G19766G2656G8905G1849口G1881G1403）MHG67921523538199599627170589590实际安G16025G20652度G32MHG679101679201324风机的选型工G1006G10995G1147G990一般采用离心G5347G17902风机，其中较常用的是813、823、927G13007G2027。选择风机G7114，G20330先根据G6164输送气体的G5627G17148（G3926清G8917气、G2559G4588气体G12573）与风压G14551G3272，确定风机的材G17148G2656G12879型，然G2530，根据G6228G7427的风量G2656G13007G13491G6164要求的风压，G2454G10043风机G7691G7424A246A247A248A249A250A251A25230选用合G17878的型号。G17837G18336G19668强G16855的是，风量是指风机G1849口处的温度G2656压强下的体G12227流量。G13792风压则G19668要G6238操作条件下的数值换算成为风机实G20576条件下（20G263、1013KPA、312/KGM）的风压THG237512TTHHG5347中THG252G252操作条件下G13007G13491要求的风压，PATHG252G252实G20576条件下的风压，PAG252G252操作温度压强下介G17148的密度，3/KGM设风机进口处为G6142G1976611，塔G5225处为G6142G1976622，则G11013单位G19766G12227液体为G3534G1946的G1283G2174利方程G5347G2499G1209G5483到离心G17902风机的风压为212121122BBTUUHWEZZGPPHFG11013于及21ZZ值G5468G4579，G693721ZZG一G20045G2499G1209G5585略风机进、出口G12661G8585G5468短，21FHG20045也G2499G1209G5585略。G6164G1209G990G5347G2499G1901成2212BTUPPH22BTUPH35TG263G7114332/82530152733531481062389590MKGRTMPHMQ/257763600604513拉西环MPAZP/4392MZ53831G6164G1209PAP66035383126451PAPHT9666366031111G11013化工流体流G2172与G1268G9921G12544330G20041G11705OMMHPA210201实G20576条件下OMMHPAHHTT24708984965825302196663根据流量G2656风压选G4908C离心风机，其HMQ/11200390KWN550982MMHHTG17728G17907MIN/1000RNA253A254A255A1A0A2A331第四章结果评价保证工艺计算流程及数据G16835差在合理G14551G3272G1881的G2081提下，G5353G17227G16835差的原因与G6164选填料种G12879、在计算过程中选择的G2454数G7389关。根据工艺条件设计出的填料塔的主要G2454数G3926表41G6164G12046表41设计的填料塔数据题目氨吸收填料塔吸收的设计流程布置G17882流操作气液G5191G15925关G13007G19762G12573温吸收塔G2065239886M塔径150M填料金G4658鲍尔环填料液体分布器单排G12661G5347G3822孔分布器G8905G44G548050250流量253/MHG15G6208程HG3220M填料压紧G16025置压紧栅G7507G17902风机G4908C（G1852压为98OMMH2）G2721G5468大。2G1946确、G5567G17907的计算G4557于设计G5468G18337要。3用到G11017G14053的地方G5468G3822，G14033G2554G10099G13463的操作G14279关G18337要。4在学校课程的G7114G1517没G7389G9157G1849，G2494是G15999G2172的G6521G2475、G16772G5530，学到的G1008西不G14033G9801G8975的用来解决实际问题，G17837也提G18278了G6117在G1209G2530学G1076的过程中G5224G16825G3822G8892G5859G17837方G19766的不足。5态度G5468G18337要，在设计过程中G5224G16825G1017G13911、G16760G11507。学习心得G17902过G17837G8437课程设计，G6117学到了G5468G3822在G990课G7114没G7389G9157G1849学G1076的G11705G16794，G2528G7114也G16760G16794到了自G5061的不足，在G1209G2530G6117G1262不G7041的G6925进自G5061的学G1076方G8873，力求G6496G6581更G3822的G11705G16794。G4579G13479；G7424G8437化工原理课程设计G2394G7114两周，是学G1076化工原理G1209来G12544一G8437G10432G12447的工G1006设计。化工原理课程设计是G3533G1871学G10995化工设计G14033力的G18337要G6957学环G14422，G17902过课程设计G1363G6117G1216G2033步G6496G6581化工设计的G3534G11796G11705G16794、设计原则及方G8873；学G1262G2520种G6175G1888的G1363用方G8873及物理G5627G17148、化学G5627G17148的G7609G6226方G8873G2656G6228G5051；G6496G6581G2520种G13479G7536的校G7692，G14033G11023出工艺流程、塔G7507G13479A4A5A6A7A8A9A1032G7512G12573G3282形；理解计算机G17753G2173设计过程，利用编程G1363计算G6940率提G20652。在设计过程中不G1177要考虑理G16782G990的G2499行G5627，还要考虑G10995G1147G990的安G1852G5627G2656G13475G8994合理G5627。在短短的两周G18336，从开始的一G3848雾水，到G2528学G16764G16782，再进行G6984G1022流