Дослідження процесу випарювання їдкого калію, аналіз його виробництва, страница 9

1*M3  AISI 316  0.50 mm  74/76pl 2.4/2.4 m?

pdes=5.0 barg   Tdes=85.0/75.0 °C  k=6961/6891 W/(m?*K)  Marg.=1%  Foul.=0.0(0.015)*10-4 m?*K/W 

Load=201.1 kW  LMTD=12.3 K

Water                3.50 m?/h  144<150 kPa   81.0 °C --> 30.0 °C                              2*9H + 2*10H

Water                3.10 m?/h  127<150 kPa   71.0 °C <-- 15.0 °C                              3*9H + 1*10H

Dp(p+co)=3.21 kPa  v(co)=0.955 m/s  NTU=4.14  Conn 1/1 36.0 mm         

Dp(p+co)=2.74 kPa  v(co)=0.864 m/s  NTU=4.54  Conn 1/1 36.0 mm 

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

Water                 30.0      994.4             4.18          0.617          0.801

                           58.1      983.1             4.17          0.651          0.479

                           81.0      970.9             4.19          0.670          0.349

Water                 15.0      998.8             4.20          0.595          1.14

                           45.8      988.5             4.17          0.637          0.587

                           71.0      976.6             4.18          0.663          0.397

Temperatures

                                                                                Side 1         Side 2

Bulk                   81.0      29.9               m(ch)        359              335           

Wall                   77.5      24.4               v(neck)     2.14             1.99

Wall                   75.0      21.6               v(ch)         0.428          0.397

Bulk                   71.1      15.0               tau(wall)   132              116

1*M3  AISI 316  0.50 mm  61/63pl 2.0/2.0 m?

pdes=5.0 barg   Tdes=140.0/115.0 °C  k=6929/6929 W/(m?*K)  Marg.=-0%  Foul.=0.0*10-4 m?*K/W 

Load=337.2 kW  LMTD=25.0 K

Water                3.20 m?/h  70.8<150 kPa   137.0 °C --> 40.0 °C                              2*10H + 1*11H

Water                2.99 m?/h  71.8<150 kPa   112.0 °C <-- 15.0 °C                              2*10H + 1*11H

Dp(p+co)=1.87 kPa  v(co)=0.873 m/s  NTU=3.88  Conn 1/1 36.0 mm         

Dp(p+co)=2.02 kPa  v(co)=0.858 m/s  NTU=3.88  Conn 1/1 36.0 mm 

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

Water                 40.0      990.8             4.18          0.630          0.654

                           88.5      966.3             4.19          0.675          0.319

                           137.0    929.9             4.28          0.689          0.203

Water                 15.0      998.8             4.20          0.595          1.14

                           63.5      980.5             4.17          0.656          0.442

                           112.0    950.2             4.23          0.686          0.250

Temperatures

                                                                                Side 1         Side 2

Bulk                   137.0    39.9               m(ch)        289              290           

Wall                   128.0    30.4               v(neck)     1.80             1.77

Wall                   121.7    26.1               v(ch)         0.359          0.353

Bulk                   112.1    15.0               tau(wall)   86.1             87.2