Оптимизация рекуперативного теплообмена технологических потоков центральной газофракционирующей установки методом пинч-анализа, страница 173

ШФЛУ                            31.0          551.7              2.47            0.089          0.147

36.2          545.0              2.52            0.087          0.140

44.0          534.6              2.59            0.084          0.131

TemperaturesSide 1    Side 2

Bulk                      69.0       41.1                              m(ch)            505        1100       

Wall                      53.9       35.0                             

Wall                      53.0       34.6                              v(ch)             0.118     0.248

Bulk                      44.4       31.0                              tau(wall)        0.723     3.19

Bulk or wall temp. out of range side 1

Bulk or wall temp. out of range side 2

Project:      Cas200

Item: Т5

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Alfa Laval Compabloc Heat Exchanger                  Technical Specification

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1*CPL50  Horizontal  Crossflow      AISI 316 L  1.00 mm  152pl  41.9/42.4 m²

pdes=5.0 barg   Tdes=35.0/20.0-55.0/35.0 °C  k=1277/1233 W/(m?*K)

Osurf=4 %  Foul.=0.0(0.28)*10-4 m?*K/W  Load=561.8 kW  MTD=10.9 K

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Hot Side   ЭПФКонденсация                       Cold Side   ШФЛУ

Condensing                                                     Liquid Heating

1*75 M   Dp=0.724<279 kPa                          4*15+1*16 M   Dp=69.0<100 kPa

Dp(ch)  0.158 Dp(p) -0.003/0.013                   Dp(ch)  68.030 Dp(p) 0.030/0.170

Conn A1 à A2 1/1 400/100 mm Dp(c)=0.001/0.555  Conn B1 à B2 1/1 150.0/150.0 mm Dp(c)=0.001/0.555

v(c/neck/ch)=0.783/0.689/0.568                     v(c/neck/ch)=2.10/0.952/1.06

v(ch/neck/c)=0.304/0.597/6.70                       v(ch/neck/c)=1.08/0.975/2.16

T (v/l)  P          Q         T (v/l)  P          Q

In 54.0             13.9     Superheated   20.0                 Subcooled

Out 38.0/33.6  13.9     0.550   31.0                 Subcooled

Twall min/max                                                26.4/34.1                                                                                                                                   Twall min/max                                             25.1/33.4

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                                                                        Hot side                      Cold side       

                                                                        Liquid Vapour            Liquid                        

                                                                        In/Out  In/Out  In/Out 

Dens                                                                441.3/355.6     27.71/30.48     565.3/551.7    

Sp.Heat                                                           3.601/3.176     2.363/2.069     2.386/2.474    

Visc                                                                 0.0720/0.0858 0.0105/0.0095 0.163/0.147    

Th.Cond                                                          0.0775/0.0859 0.0090/0.0255 0.0930/0.0892

Bub. p.                                                                         38.0                

Dew p.                                                                         38.0                

Mol.W.                                                                         44.10/44.10                

Cr.pr.                                                                           42.57/42.57                

Cr.temp.                                                                      96.8/96.8                    

Lat.heat                                                                       365.5/365.6