板式精馏塔设计

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⛲ᛞ2ᫀḄ2.1⌕ᙠᑖ-ᵬḄᔠ஺ᧇᜐᳮ4000kg/h,ᐸḄᡂ0.41!"ᑖᦪ$%&'$()*ᧇ஺⌕,ᛞ⚔/
Ḅᡂ0.96,ᛞ01230.01஺ᛞ⚔45ᐰ7ᘤ$ᛞ⚔⊤4kPa,ᓫ;<0.7kPa,ᐰᛞᦔ᳛52%,?@AR=2R.mmBCDEF;ᛞGᡂᑖHI஺2.2ᩩḄ⌱JKᩩMḄ⌱OᒹQJKRஹ*ᧇT᝱ஹVWXYஹ?@AZ஺2.2.1JKR3\ᢥJKR^ᑖ_`ஹV_aஹb_a஺cdCD⌱Oᛞ⚔R4kPa!ᛞ⚔⊤'$ᓫ;<0.7kPa஺2.2.2*ᧇTeaJKᨵ5g*ᧇT᝱hi*ᧇஹ()*ᧇ!⛳kl*ᧇ'ஹmᔠ*ᧇஹ☄)*ᧇ!⛳k_o*ᧇ'ஹ3W_o*ᧇpcdCD4ᵨ()*ᧇ஺ᛞ⚔4ᵨᐰi7$ᙠ()%?@rᛞᑁ஺2.2.3VWXYatḄVWXYᨵuvVWkwvVW$x4ᵨwvVWXY$Cyz{ᘤ஺ᵫ}uvVW~.$_oḄ1xᐭᛞ0$ᙠḄ?ᦈ᳛ᩩM%$ᳮᛞ;ᦪᨵV஺wvVWXYᛞ0Ḅᢝ1$1ᛞ;ᦪᨵV஺ᔠὃ⇋$ᡃ4ᵨwv_oVW஺

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¬Âì⊝$çᛞᑁJKᢝឤ஺2.3.3ðñᩩMᵫ}òóஹôóஹR<õö÷øZᩩM¤¥✂ᛞḄúûükÑᐰJK$ÜÝçýþJKÿᦪ▲ᑴᙠḄᩩᑁ஺ᵫᩩឋ஺3ᛞ3.1ᫀḄᨬḄ2(⌱)$%&'ᧇ஺ᛞ⚔+ᓣ-./ᵨᐰ2ᘤ42$4256ᑖ8ᛞᑁ$ᐸ:6ᑖ;<=>4ᓾᘤ4ᓾ@〈8BC஺ᛞD/ᵨ⛳F-.GHIJ$ᛞK=>;42ᘤ4ᓾ@〈8BCᦈM஺3.2tᶇᛞḄᱥᧇ⊝3.2.1Oᧇ5Pᛞ⚔ஹᛞK=>Ḅ᥅SᑖᦪTḄ᥅SUVM=78.1\kg/kmolAᵬTḄ᥅SUVM=92A3kg/kmolB0.41/78.11“Oᧇ5᥅Sᑖᦪx=____________________=045,0.41/78.11+0.59/92.130.96/78.11ᛞ⚔=>᥅Sᑖᦪx==0.966nD0.96/78.11+0.04/92.130.01/78.11X…ᛞK=>᥅Sᑖᦪx==0.012w0.01/78.11+0.99/92.133.2.2Oᧇ5Pᛞ⚔ஹᛞK=>ḄZᙳ᥅SUVOᧇ5Zᙳ᥅SUVM.=0.45x78.ll+(l-0.45)x92.13=85.S2kg/kmolᛞ⚔=>Zᙳ᥅SUVM=0.966x78.11+(1-0.966)x92.13=IS.59kg/kmolD

2ᛞK=>Zᙳ᥅SUVM=0.012x78.11+(1—0.012)x92.13=91.96ijk஺/w3.2.2ᱥᧇ⊝oOᧇᜐᳮV==r”=46.61kinol/h85.82vᱥᧇ⊝oTᱥᧇ⊝oᔆ•y=D-x+W-xDwὶ{+|}~஺=21.404"?஺//஻W=25.2\kmol/h4ᛞḄ4.1ᛞᦪḄ4.1.1ᳮᛞᦪḄ(1)ᢵḄTḄ&80.1࠷,ᵬTḄ&110.6࠷80.1࠷,ᡲ}IgP="1g"~p=333kPa,p\=38.8kPamn@101.33c,,ᑣᨵa,=------=2.61138.8110.3࠷~p=234.6APa,p£=101.33APaᑣᨵ%=9=2.322101.33Zᙳᢵa==ª.61x2.32=2.46(2)ᨬḄᵫ«¬%&'ᧇ$ᨵqq=l,Z⊝¯°x,=±=-2461"1+(a-l)x„1+1.46%,,q¯°y=)-x_2q-\q-\ὶ{Z⊝¯°µq¯°$¶&P(x,y)pp

3ᦑXp=0.45>y=0.667pᨬ/0.966-0.667=13gminy-x0.667-0.45,PPᨬḄ2$ᓽR=2/?min=2x1.38=2.76(3)¹ºᛞḄ»ஹ5¼₹L=RD=2.76x21.40=59.06kmol/h/=(1+R)O=(1+2.76)x21.4=80.46kmol/h+=59.06+1x46.61=105.67kmol/hK'=K+(7-1)F=80.46+(1-1)46.61=80.46kmol/h(4)¯°¹B¾¯°y=¿++=+Àᦔ=0.734x„+0.257n+1"+,R+l"R+12.76+1"2.76+1"ÂB¾¯°L+qFL'Wx105.67,2521w—x0.012=1.313x0.0047n+1-L+qF-WX"rX"--V7~80.46X"L+qF-W80.46"|¶&Ãᙶ᪗x,=ÆR±lÉ£ÆÊ1⚢=Æ2.76.ÉÌ0.45.=0.45R+q2.76+1

4Z⊝¯°ÍÎÏᑏᡂX,X,y„a-(a-i)y2.46—1.46%nᳮᦪᵨÓ~Ôᡈὅ⌲oÔ$<°᝞Ùᐰ2ᘤ,yi=XD=0.966—>xÝߟ¹yz=x=T■¹â3=……(Xn

51gp=4-()=6.030551211.033p3=107.39kPaAT+CZ+220.79,B/1344.80lgPBA-------=6.07954--------------;6=41.58kPat+C/+219.482Bp-Pa105.3-41.58X==0.9682P3):107.39-41.5884࠷p=113.59;᜜;03=44AOkPa;x=0.8802=ᦪ123Ꮇ@t/࠷828486X0.96820.88020.7105ABCDEFGABHXD=0.966IG82-8482-/JKᑁMN0.9682-0.88020.9682-0.966ᛞ⚔t=82.1࠷DQᳮGSᧇUḄ____________________________________________=ᦪ123Ꮇ@t/-C96100104X0.49170.36090.25ABCDEFGABW6ᙽUYSᧇUGHX6=0.388IGSᧇUtF=99.5࠷\]^_ᙳt=+-=.a+99.5=go.8oc22(3)_ᙳ᥅ghiᛞ⚔_ᙳ᥅ghiḄᵫᳮjUḄklmGn=o஺=0.966,ᵫ_⊝rFCX,=0.916M=0.966x78.11+(1-0.966)x92.13=78.59kg/kmolVDmM=0.916x78.11+(1-0.916)x92.13=79.29kg/kmolLDmSᧇU_ᙳ᥅ghiḄᵫᳮjUḄklmGsᧇUYW6ᙽGᑣY=0.6041x=0.3886

6M=0.604x78.11+(1-0.604)x92.13=83.66kg/kmolVFmM=0.388x78.11+(1-0.388)x92.13=86.69kg/kmolLFm\]^Ḅ_ᙳ᥅ghiYM=&*w=?8.5973.66=81.13kg/kmolvM,,,+M,..79.29+86.69_.M=ߟ~5=-----------=82.99kg/kmolL(4)_ᙳyজ{|_ᙳyᵫᳮ}{~᝱GᓽTm=tm+273.15=90.8+273.15K,R=8.314(kPa.m3)/(kmol.K)°_P"M)3—=2.92/PVm-.8.314x(90.8+273.15)ঝ|_ᙳy|_ᙳyGᓽ:_1_=_+££GᧅhiᑖᦪPi.mPLAPLBᛞ⚔|_ᙳyḄ஺ᵫ=82.1࠷,~ᙠQḄy⊤Cmᛞ⚔|Ḅhiᑖᦪa=APA=812.Ikg/rnip=807.^kg/m3BPem=0.96:0.04=812.5/"3812.7+807.9SᧇU|_ᙳyḄ஺ᵫ0.=99.5࠷,~ᙠQḄy⊤CPA=793.Ikg/rn^p=790.8kg//n3BmSᧇU|Ḅ᥅gᑖᦪX6=0.388,SᧇU|hiᑖᦪ0.388x78.110A-0.388x78.11+0.612x92.13=0.35PLF-03510.65=791.6/"'------1-------793.1790.8\¡^Ḅ_ᙳyYp=Pg"3*=812.5379L62Akg/m3Lm=8()ম~_ᙳ⊤☢¥¦Ḅ|_ᙳ⊤☢¥¦Gᓽ%,=£XQi,Xj᥅gᑖᦪ2=1ᛞ⚔|_ᙳ⊤☢¥¦Ḅ஺x=0.966D

7ᵫḄ=82.§C,~⊤☢¥¦ᐳFBCer,,=21.24mN/m(r=21.42/nN/mB03=0.966x21.24+0.034x21.42=21.25mNImSᧇU|_ᙳ⊤☢¥¦Ḅ஺X=ᵫGF=99.5࠷,~⊤☢¥¦ᐳFBCcr,=18.9/nN/m

8ÐUÜÝ"r=0.4m,UÞß஻/=0.06m(⌱50100mm),ᑣ×UᛞÕ₹ØrFBC஺2O=0-O72,~⊤☢¥¦Sá᪥ã<7=20.41mN/mC=Go,(—)°2=0.072x(ä11)஺?=0.0723202020å=°æ23ஹᡃ/“196GÐᐰÔᦪY0.7,ᑣÇᛞ{ÈYw=0.7-w=0.7x1.196=0.837a/smaxᢥ᪗ëᛞìᙊ᦮ïY஺=1.0/71o)ð⌱400ஹ500ஹ600>700ஹ800ஹ1000ஹ1200ஹ1400ஹ1600ஹ1800ஹ2000>2200mm....ᛞìD/m0.4=0.70.8=1.21.4=2.42.6=6.6UÜÝHi/mm250-350300~500400-700450=800ᛞé☢ÁYA=—D2=^^xl.O2=0.785s2rT44ñ▭Çᛞ{ÈYu=ᓃ-="஺621=0.791஻ô/s,)ð⌕Ïᙠ(0.6~0.8)umaxA0.785r(2)\öᛞᨵᦔßḄ\]^ᨵᦔßYZ\=(N\-1)4r=(10-1)x04=3.6mù¡^ᨵᦔßYZù=(Nù-I)”?=(15—1)x04=5.6mᙠSᧇUú)ûüGᐸßY0.8m஺ᦑ\]ᛞḄᨵᦔßYZ=Z+Zjg+0.8=3.6+5.6+0.8=10mg4.2.3ᛞUþ⌕½¾¿ÀḄ(1)ÿ
ᛞ஺=1.0஻⌱ᵨᓫᵨ஺ᔜ⚗᝞:জᛆ#4$=0.66D=0.66x1.0=0.66m(⌱/“(0.6-0.8D)ঝᛆ*+£ᵫ4=h,L-4On⌱ᵨ.ᛆᛆ/OW0*+1ᵫ2ᓽ:h=2.84Eᒹ1%1000lw

9ᦈ56ᦪ89$E=l,ᑣ,2.84,,0.0017x3600ஹ%....,nnnh„=------x1x(--------------------=0.013/n>0.006mm10000.66$@/A0*+3=60mmᦑ%"=hL-h=0.06-0.013=0.047mowঞE+WFG☢IAdfᵫ%=0.66,JKᦪLMN%=0.0722,%=0.124ᑣN//=0.0722x47=0.0722x0.785=0.0567O2,W=0.124xD=0.124x1.0=0.124mdPQᙠSTᶇVWᓽN3600AHT_3600>00567x040=13.34.V>5s~~L-—0.0017x3600hᦑXᔠᳮ஺ট\◣*+$\◣Ḅ_4=0.08R/Sᑣ:40.0017x36001஺==0.032m3600lu'3600x0.66x0.08woh-h-0.047-0.032=0.015w>0.006mKnᦑ\◣*+Xᔠᳮ஺(2)ᛞ@dজᛞ@Ḅᑖᙽg஻48009ᛞ@ᵨ᦮ᙽ2ig஺2800j1200஻஻஻ᛞ@ᵨᑖᙽ2஺Jᛞ@ᙽᦪ⊤Mᛞ@ᑖ(3ᙽ஺(g஺N1400j1600”O4ᙽ஺21800j2000஻஻%,5ᙽD>2200j2400஻?m6ᙽ)ঝopqrsqE+tpopquvwqxqyWḄzvwq{|}ẚq஺ᦔqᙠ☠8ᛞḄᙌrsq{ᢝᛞ@Ḅr᫡yᵨ|}rsq஺W='=50j100OOᔤ=30-\70mm,s.Ḅᛞopq஺$opqᓃ=%[=0065m,rsqW=0.035mcঞvwq☢Ivwq☢I4(NA=2(xVr2-x2+-^ߟr1sin-1—)a180rᐸSx=?L(%+M)=”(0.124+0.065)=0.311W

10r=--IV=--0.035=0.465m22ᦑ/,=2x(0.311xJo.4652-O.3112.->0,311)=0.532m11800.465টwᐸ᣸ᑡ஺ᵫFᵬᨵῖ⇨ឋ⌱ᵨ¢+6=3஻""£¤@$w.ᡈ=5mm(⌱3=8mmyWz1.5=2S)஺wᢥ¦§¨᣸ᑡ$wS©ª(⌱2.5O5do)(Nt=3do=3x5=\5mm=0.015Owᦪ«஻(NL15U1.155X0532(¬)W===2731O0.0152vw᳛(N9=q=0.907•(q)2=0.907x(¯=10.1%(ᛞ@vw᳛°(4%=15%)At0.015a±Q²³wḄ±_(N4=(PAaV0.621s=11.56misI஺/!x0.5324.2.4@ḄQ1´P(1)ᛞ@µজᓟ@·11¸@·1ᵫ2N/\2/ஹ1%Pv_A0.051•%஺»0/ᵫ£¤@¢+3mm,w5mm,=5/3=1.67,Jw¼6ᦪLMN¼6ᦪC஺=0.77211.56ஹ22.92ᦑ½=0.051x0.0416m802.1ঝ±Q²³0Ḅ·11±Q²³0Ḅ·1¾ᵫ2᜛uᐙ±6ᦪÁ᧜@/ᐙ±Ã+ᓽ%=PhL0/ÄḄ±Q_+஻“=—ᓃ=——”Æ-----=0.853m/s"A-A0.785-0.0567Tf±ÈÉÊË஺=U.Q=0.853xVT92=1.46(ytg1/2-5-1-TM-172)Jᐙ±6ᦪᐵὶLMN4=0.61oᦑÎ=ph=(3(h+A„.)=0.61x(0.047+0.013)=0.0366m஺LwBঞQ⊤☢Ï1Ḅ·1%

11Q⊤☢Ï1ᡠËÑḄ·1Æᵫ2ᓽ:GI=20.41mNIm=20.41x10ঞN/O4%4x20.41xl0-3h=0.0021maPgdo802.1x9.81x0.005L±Q²³Ù0ᛞ@ḄÚ*+Ûᢥ2Nh=/?,+%+%=0.0416+0.0366+0.0021=0.080mp±Q²³Ù0ᛞ@Ḅµ(N\p=%0g=0.08x802.1x9.81=629Pa<0.1kPaßXᐕáâãpß2ã☢äå@ᛞ☢äåæ஺çXḄᛞF¼ᙳzᜧᦑêᶍ☢äåḄìí஺ß3ãîᜳðîᜳðᢥ2N5.7xlQ-6rU”_5.7x10-6(0.853õ~a-[H-2.5h)~20.41x10-3x10.40-0.15)=0.014kgç஻g±QLrL<0.1kgç/᝖±çᦑᙠçXSîᜳð¼ᙠᐕáḄùᑁ஺ভü@ᛞüý±_UominᢥᦪC°=0.772“O.min=ᓃ,min/4=4.4C°J0.0056+0.13#—4%஺//=4,4x0.772X7(0.0056+0.13x0.06-0.0021)x802.1/2.92=5.985m/s.▭01஻o=11.56m/s>u0min56ᦪ7K=—8=9ᵯ>1.5Wo.min5.985ᦑᙠ?@ABCDEF஺মFH7■JᛞᑁMNFHOFPᑁFQR4STUᡠ⊤XḄᐵᓽH

12H,=0.08+0.06+0.001=0.141mH

135.7xl(rUa`Á,À----H-hT7KKUa==1.373ᓃA-A0.785-0.0567Tfh=2.5h=2.5(h+h)fLwowh=0.047wh2.84ÂX1x(3600x4)2/3=0.88L3100010000.66h=0.118+2.2L3fÄ=0.282-2.2L2,is5.7x10-61.373ᓃஹ3220.41xlO-30.282-2.2Æ'3᦮ᳮÊᓃ=1.29-10.074"3⊤2#$ᜳ&'()L/(7W3Is)0.00060.00150.00300.00450.006sᓃ/(Ì/s)1.2181.1581.0811.0160.957ᵫ⊤ᦪ³ᓽ´£¬µ¶ᜳ¸2বFp₹▲ΰÏÐᛆbᛆFQRsÑ”,=0.006£7ᨬÔFm₹᪗Ö:3600x4/3=0()06looo4£=1r0.006x10003/20.663,Lஹ=(---------)'x----=0.A0A0A0C5Z6Úm5Iss'mmimn2.843600³Û´£¬lmBᐵḄᚖÐFp₹▲3ভFp₹▲¹6=4s£7FmᙠOFPAÞᶇàáḄ▲ᑣo==44AH0.0567x0.40fT0.00567i3ᦑ4a44³Û´£¬lmBᐵḄᚖÐFp₹▲4஺

14মFHãÄ=K(/+/?„.)ᵫH4=%+%+å=4+%+æ+ᙳ+%%=%h=h+hLwowὶèéÊKH+^K-p-DA,=(4+1)4»mTëᶍíîᖐl©,ᙳl©,ÑlᓃḄᐵðᐭò᦮ᳮÊ:óô`KH+(K—/—1õ=0.5x0.4+(0.5-0.61-1)x0.047T(4+1)&,=(᜛+1)28Â4E(øù2)2஻=(0.61+1)xk(0.66Á10001000\2/ஹ2ஹ2ûIPv=0.0512Pvᓃ2.924=0.0510.051PL)40co)\PL)0.101x0.532x0.772802.12=0.153|——L----ᙳ=0.153(%y=0.153I0.66x0.032KH+{K-p-1)4=(^+1)A+4+4+4TWV2=1.37-3176£/-13.16L2/3s5V„=71-37-3176A2-13.16Z,2/3vsᡈὅ
a1W=b'YLf-d'Lg1112.92X______x_____________________x=0.1082g(4Co)2x9.81(0.101x0.532x0.772)2802.1b'KH+(K-J3-1)h=0.5x0.40+(0.5-0.61-l)x0.047=0.148Tw0.1530.153,(/Jo/—(0.66x0.032)2343.012/32/328436002843600d'=(£+l)&'xEx=(0.61+l)x^-xlx=1.421100010000.66*ᨵᐵḄᦪ/0ᐭ᦮ᳮ45

15a'Vs2=h'-sc'L2-ds'L2/30.108ᓃ2=0.148-343.OIL2-1.421A2/3SSXᓃ2=1.37-3176Lf-13.16L2/3XV=71.37-3176£2-13.16A//3ssᙠ=>@ᑁ4BCDEFG4HIJKLMG4JKLᓃG4JKNOᑡQR⊤3⊤3*+'()L/(m3/s)0.00060.00150.00300.00450.006sᓃ/TU5-1.2751.1901.0680.9480.867ᵫI⊤ᓽX>LYZ[5஺᪷/^Iᔜ[
`4X>LabᛞḄd₹ឋgh஺ᙠd₹ឋghI4iYjV/Ll4mnjRl4=>pqPTLs4Vs,ᙶ᪗vp஺T0,0s,wxOP,yz4ᓽ>L=>s[஺ᵫhX{L4|abḄ=>I▲qYZ~ᑴ4R▲qY~ᑴ஺5Kmax=L075஻?3/S,0=0317"a,IIldAA,111111V1075ᦑ=>ឋq3^=I'=3.391%0-317ᡠJabᛞḄ⌕NOQR⊤4

16V/(mVs)abᛞd₹ឋghs♦*+'■ᡡ*'▲#$ᜳ&'1*23₹5▲'**23₹8▲'—-0P'——'ឋ;*+'------'ឋ;=*'-——'ឋ;#$ᜳ&'-——'ឋ;*23₹5▲'-——'ឋ;*23₹8▲'-஺/(m3/s)

17⊤4abᛞJJKNO⚗ᦪ/1ᙳTm/࠷90.82ᙳPm/kPa108.83i¡n¢v(m3/s)0.621s4Y¡n¢LJ(nWs)0.00175ᛞḄᨵᦔ§Z/m256©▭ᛞbᦪN107ᛞ¬D/m1.08b®¯Hj/mm0.49²n³ᓫ²n10µY¶³·³11ᛆzlw/m0.6612ᛆ§hw/m0.04713bIY»§hjm0.0614ᛆIY»§how/m0.01315µY¶¼◣§h„/m0.03216¿lÀÁWs/m0.0617ÂÃÀÁWc/m0.03518ÅÆÀ☢ÈA/m20.0532a19aÆɬd/m0.00520aÆᦪn273121Æʯt/m0.01522ÅÆ᳛/%10.123'ᛞiÍu/(m/s)0.79124aÆiÍuo/(m/s)11.5625ÏlÐᦪK1.9326Ñ»ᛞbµ/kPa62927d₹I▲YZ~ᑴ28d₹R▲Y~ᑴ29i¡d₹I▲Vs.nwx/mVs1.07530i¡d₹R▲V,„/m3/s0.317smi31=>ឋ3391

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