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oˮܵ偠tˮȡsİbcʹ

oˮܵ偠tˮȡsİbcʹ

      oˮܵ偠tˮȡsİbcʹI(y)偠ty(tng)ˮȡsʽԁˮ(ˮ)s|sYʧЧúsˮyʹ^sˮpʧƵ偠tˮȡs偠toˮܵsо偠toˮ(ܛˮ)sˮˮӡ˾нoˮ(sˮ)YsˮֱӞ偠toˮʹõc
1y(tng)
偠tˮȡsʹìF(xin)[n
     
偠tˮȡsˮ|P偠tȫ\偠tPȫgҎ(gu)偠tˮ̎O(jin)Ҏ(gu)t偠tȫgO(jin)Ҏ(gu)̡͡ˮ偠tȫgO(jin)Ҏ(gu)̡жҎ(gu)~l(f)ڵ1t/h偠t~Ṧʴڵ0.7MWğˮ偠tˮȡs(j)ɽ|ʡfЬF(xin)йI(y)偠tˮȡsàrcЧzyy(tng)ӋǰI(y)偠tˮȡsֻ鑪偠t_(sh)61%,ȡ_˜ҪăHռb(sh)21%偠tzzyCÿͶzyڂy(tng)ˮȡʽcȡˮˮӴԲəzyˮ(sh)(j)ʧȥ挍ԣĶܜʴ_yˮg偠tָˡ
      oՓnjք{صˮȡs߀njԄ{صĂy(tng)ˮ
ȡs偠tҪһbðbݱsˮܛˮy^sˮ͟yʹ偠tÑԁˮs|ȫԁˮӲȴСһɽ|ʡfԁˮӲ10mmol/LԁˮsˮmȻɱͅssٽYʧȥsЧ
2
偠tˮȡsc
      Lڏ偠tˮ̎zzyl(f)F(xin)ǰùI(y)偠toˮF(xin)飺һ~l(f)ڵ1t/h偠t~Ṧʴڵ0.7MWğˮ偠tձܛˮ偠toˮܛˮcܟ󲻽YٽY~l(f)С10t/h偠tͺ~ṦС7MWğˮ偠tδM偠toˮoˮضһ㲻25,˞@Щ偠toˮܵsоʹoˮ(ܛˮ)оsо܃ӵˮˮṩ˿ܺͻAоxßopP䓹p()оʹp()|ͨ^оUоܺоUо܃Ȃȿ“(lin)2~3h(hun)ʹˮa_(wn)̶|оD1ʾоֽܷˮӹܺͳˮȡӹˮMоǰ{(ji)yԱㆢ]{(ji)ˮ
      1-“(lin)ӷm2-sܚ3-о1,4-о2;5-h(hun)6-oˮȡӹy7-о2Mˮy8-о2ˮ9-о1ˮ10-о1Mˮ
      ]Ñ偠toˮһOڵoˮȡӲ㡣ȡTһO˽oˮȡӹƳĽoˮܵöȫ|ˮ
ȡscy(tng)ȡȾ6(yu)ݣ
      1)(ji)ܽosˮ͟ܓpʧ
      2)oˮ(sˮ)sЧ
      3)ܛˮ_ˢоܣoYLUsЧ־ã
      4)һF(xin)偠tȶ_偠tȡӹ
      5)
偠tȡs`ڽoˮܵɶ÷m“(lin)YʹbҲռ偠te
      6)偠t칫˾ԌˮaƷ偠tSص׸׃
偠tȡsF(xin)
3Ӌ((ji)ˮ(ji))
3.1Q((ji)s)Ӌ
      I(y)偠tʹÉһ㲻1.6MPa,˕rˮĜضȞ204GB/T69072005偠tˮsˮˮȡӷҎ(gu)ˮˮؑ40,ˮ700mL/minOȡˮ؞40,Mж|ȡӕrз֕rȡӣˮx1000mL/min,tÿСrˮ601=60kg,Yϵ1.6MPaˮi=865kJ/kg,s40rˮi?=167kJ/kg,tÿСrşQ=60(i?-i?)=60167=48884kJ/kg
3.2soˮУ
      OȽoˮƽضȞt?=25,oˮ(sˮ)ĸt?=40,ts(oˮ)M?飺M?=Q/c(t?-t?)=10020/(40-25)=668kgˮ
ȡsb~l(f)ڵ1t/h偠toˮܵoˮԴڵ1000kg/h,sˮMҪ
3.3θоLȵӋ㣺
      xоܞ61mm(ȏd=4mm)opP䓹ˮA=60kg/h,оMˮty=204,ˮt,=40;oˮܵȽoˮ(sˮ)ˮt=25OQ^̟opʧо܃ȱڜضtw=30о܃ƽˮ؞t=(ty+tr)/2=(204+40)/2=122ȡt?=120鶨Ԝضɵãr=0.686W/(m),;=0.25210?m2/s,Pr?=1.47p=943.1kg/m3,c?=4.25KJ/(kgc);=237.410-6kg/(ms)tw-30ræ=801.510~kg/(ms)Oо܃ˮٶȞu(m/s),tA=3600d?/4upu=A/(3600d2/4p)-60/(36003.141610?/4943.1)=1.4m/sRe;=ud/yr=1.44102/0.25210)=2.2210?>10^̎ʢ^(q)Nur=0.027Re?0.8Pr1/3(r/w)0.14=0.027(2.2210)0.81.471/3[(237.410?)/(801.510)0.14=77.7Qϵ(sh)=Af/dNu;=0.68677.7/(4103)=13326W/(m2)о܃ˮÿСrĿQ飺Q=Acp(t,-tr)=604.25(204-40)=41820kJ/hͬrQ=СdL(t?-tw),tL=Q/[aСd(t?-tw)]=11617/[133263.144103(120-30)]=0.771m=771mm
4칤ˇr
      (j)ӋθоxLȲС771mm,оr]ˇxȡθоL880mmоܿɃɷNʽһUооΣUоо^yɸ(j)ܚxоrɶˑкmLԱˮӹȡӹ“(lin)ӡȡİȫɿȡ⚤x20*op䓹ܣɶ“(lin)ӵķmɳCЉڲȫ͸Yоbܚֱ˵57mmоgõh(hun)xòP䓹
     
偠tȡsܚLȑ(j)оܵĔ(sh)cʽxȡLȿx600mm,ɶؘʷmmоܶ˱30~50mmxԱоbUоܲʮֲֻʽоg2~3h(hun)Ǐˮ_(wn)оܣоԷֶβÞ10_ڵ1t/h偠tϑô헼gЧO(jin)yGB/T69072005偠tˮsˮˮȡӷҎ(gu)ˮˮز40,ˮС700ml/minҪ
      C偠toˮܵ
偠tȡs߂sЧweС(ji)ˮ(ji)()c偠tȫṩһNɿȡbúͷ⣬ȡsoˮȡӹܵOҲÑ􌦽oˮ|ęzy

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