Дослідження процесу випарювання їдкого калію, аналіз його виробництва, страница 10

*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=

Water                3.20 m?/h  70.8<150 kPa   59.0 °C --> 30.0 °C                              2*10H + 1*11H

Water                2.99 m?/h  71.8<150 kPa   107.0 °C <-- 15.0 °C                              2*10H + 1*11H

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

Dp(p+co)=2.02 kPa  v(co)=0.858 m/s  NTU=  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

1*M3  AISI 316  0.50 mm  18/20pl 0.6 m?

pdes=5.0 barg   Tdes=30.0/25.0 °C  k=4962/4863 W/(m?*K)  Marg.=2%  Foul.=0.0(0.041)*10-4 m?*K/W 

Load=20.23 kW  LMTD=7.2 K

Water                3.50 m?/h  34.8<150 kPa   30.0 °C --> 25.0 °C                              1*10H

Water                1.74 m?/h  11.1<150 kPa   25.0 °C <-- 15.0 °C                              1*9H

Dp(p+co)=0.915 kPa  v(co)=0.955 m/s  NTU=0.69  Conn 1/1 36.0 mm         

Dp(p+co)=0.228 kPa  v(co)=0.476 m/s  NTU=1.39  Conn 1/1 36.0 mm 

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

Water                 25.0      996.0             4.19          0.610          0.895

                           27.9      995.1             4.18          0.614          0.838

                           30.0      994.4             4.18          0.617          0.801

Water                 15.0      998.8             4.20          0.595          1.14

                           20.9      997.2             4.19          0.604          0.987

                           25.0      996.0             4.19          0.610          0.895