Оптимизация рекуперативного теплообмена технологических потоков центральной газофракционирующей установки методом пинч-анализа, страница 170

Sp.Heat                                                           3.695/3.413                 2.831/2.831                                                                        2.032/2.032

Visc                                                                 0.0781/0.0838             0.113/0.113                                                                        0.0088/0.0088

Th.Cond                                                          0.0543/0.0585             0.0777/0.0777                                                                        0.0263/0.0263

Bub. p.                                                                                                 69.0

Dew p.                                                                                                 69.0

Mol.W.                                                                                                 58.13/58.13

Cr.pr.                                                                                                   37.97/37.97

Cr.temp.                                                                                              152.0/152.0

Lat.heat                                                                                               312.4/312.4

Note: The boiling side is partly working in mist boiling region!


Project:      Cas200

Item:          T2

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Alfa Laval Compabloc Heat Exchanger                  Technical Specification

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2*CPL75  Horizontal  Crossflow      AISI 316 L  1.00 mm  180pl  117.3/118.6 m2

pdes=5.0 barg   Tdes=70.0/65.0-105.0/70.0 °C  k=672.4/671.4 W/(m?*K)

Osurf=0 %  Foul.=0.0(0.022)*10-4 m?*K/W  Load=761.5 kW  MTD=9.7 K

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Hot Side   Water                                            Cold Side   ПодогревК3

Liquid Cooling                                                 Vapourizing

1*90 M   Dp=0.0165<100 kPa                        1*89 M   Dp=2.43<100 kPa

Dp(ch)  0.015 Dp(p) 0.000/0.000                    Dp(ch)  2.428 Dp(p) -0.000/0.001

Conn A1 à A2 1/1 600/600 mm Dp(c)=0.001/0.001  Conn B1 à B2 1/1 600.0/600.0 mm Dp(c)=0.001/0.001

v(c/neck/ch)=0.0198/0.0135/0.0175               v(c/neck/ch)=0.0167/0.0112/0.0150

v(ch/neck/c)=0.0171/0.0132/0.0193               v(ch/neck/c)=0.405/0.304/0.453

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

In 105.0                       Subcooled       69.1     7.96     0.00

Out 71.0                      Subcooled       69.0     7.93     1.00

Twall min/max                                               70.5/100.5                                                                                                                                  Twall min/max                                           70.5/100.2

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                                                                        Hot side                      Cold side       

                                                                        Liquid             Liquid Vapour           

                                                                        In/Out              In/Out  In/Out

Dens                                                                955.3/976.6                 515.9/515.9                                                                        19.11/19.05

Sp.Heat                                                           4.216/4.178                 2.831/2.831                                                                        2.032/2.032

Visc                                                                 0.268/0.397                 0.113/0.113                                                                        0.0088/0.0088