Обстеження центральної газофракціонуючої установки. Моделювання інтегрованої технологічної схеми, страница 31

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

Hot Side   Water                                   Cold Side   Подогрев К3

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

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

Th.Cond          0.683/0.663                  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

1*CPK40  Vertical  Countercurrent     AISI 316 L  1.00 mm  162pl 26.2/26.6 m?

pdes=16.0 barg    Tdes=55.0/40.0-75.0/55.0 °C  k=1591/1384 W/(m?*K) 

Marg.=15(5)%  Foul.=0.0(0.94)*10-4 m?*K/W  Load=564.2 kW  LMTD=15.5 K

Water           41.5 m?/h  1.27<100 kPa   71.0 °C --> 59.0 °C                   1*40+1*40 M

ШФЛУ         131 m?/h  6.17<100 kPa   55.0 °C <-- 44.0 °C                    1*40+1*41 M

Dp(p+co)=0.316 kPav(co)=0.652 m/s  NTU=0.77  Connections A1 à A2  1/1  150/150 mm

Dp(p+co)=1.75 kPav(co)=2.11 m/s  NTU=0.71  Connections B1 à B2  1/1  150/150 mm

Media                 Temp.          Dens.         Sp.heat.           Cond.           Visc.

Water                  59.0           982.7              4.17            0.652           0.472

64.9           979.7              4.18            0.657           0.433

71.0           976.6              4.18            0.663           0.397

ШФЛУ                44.0           534.6              2.59            0.084           0.131

49.4           527.1              2.64            0.082           0.124

55.0           519.2              2.70            0.079           0.118

Temperatures                                                                     Side 1     Side 2

Bulk          71.0        58.0                              m(ch)            1010       1720      

Wall           66.8        54.0                             

Wall           65.3        52.7                              v(ch)             0.156      0.500

Bulk          55.9        44.0                              tau(wall)        2.70        12.5