DOUBLE-EFFECT FALLING FILM EVAPORATOR

Ethanol evaporation capacity (kg/h)

100

200

400

600

800

1000

1200

. Heating source medium: steam

Raw steam pressure (Mpa)

0.095 (Absolute pressure)

Steam heat consumption (kcal/h)

17100

34200

68400

102600

136800

171000

205200

. Heating source medium: heat transfer oil

Heat transfer oil inlet and outlet temperature (℃)

120—130/100—110

Heat consumption of heat transfer oil (kcal/h)

18000

36000

72000

108000

144000

180000

216000

Working pressure of heat transfer oil (Mpa)

0.15—0.20

Ⅰ e?ect evaporation (kg/h)

51.8

103

207

310

414

518

622

Ⅱ e?ect evaporation (kg/h)

48.2

97

193

290

386

482

578

Steam condensate volume (kg/h)

32

63

127

190

253

317

380

Ⅰ e?ect evaporation temperature (℃)

75—80

Ⅱ e?ect evaporation temperature (℃)

55—60

Ⅰ e?ect vacuum degree (-Mpa)

0.053—0.063

Ⅱ e?ect vacuum degree (-Mpa)

0.081—0.085

Ethanol discharge temperature (℃)

35—40

Discharge temperature of Ⅱ-e?ect concentrated liquid (℃)

54—59

Ⅰ e?ect design heating area (㎡)

2.0

4.0

8.0

12

16

20

22

Ⅱ e?ect design heating area (㎡)

3.0

6.0

13

18

28

30

34

Condensing area (㎡)

3.5

7.0

15

20

30

35

40

Condenser working pressure (Mpa)

0.20—0.25

Cooling area (㎡)

2.0

3.0

4.0

5.0

6.0

8.0

10

Cooler working pressure (Mpa)

0.15—0.20

Cooling water circulation (t/h)

2.0

4.0

7.5

11

16

20

22

Cooling water working pressure (Mpa)

0.20—0.25

Cooling water inlet and outlet temperature (℃)

32—35/40-43

Chilled water consumption (Kcal/h)

1500

3000

6000

9000

12000

15000

18000

Chilled water inlet and outlet temperature (℃)

10—20/18—28

Chilled water working pressure (Mpa)

0.15—0.20

Total installed power (kw/h)

4.5

5.55

6.65

8.85

10.7

12.5

12.5