SINGLE EFFECT FALLING FILM EVAPORATOR

Ethanol evaporation capacity(kg/h)

100

200

400

600

800

1000

1200

A. Heating source medium:steam

Raw steam pressure (Mpa)

0.085 ( Absolute pressure)

Steam heat consumption (kcal/h)

30000

60000

120000

180000

240000

300000

360000

B. 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)

31000

62000

124000

186000

248000

310000

372000

Working pressure of heat transfer oil (Mpa)

0.15—0.20

Evaporation temperature (℃)

65—75

Ethanol discharge temperature (℃)

35—40

Concentrate discharge temperature (℃)

63—73

Vacuum (-Mpa)

0.065—0.077

Heating area (㎡)

3.0

6.0

12

18

24

30

36

Condensing area (㎡)

6.0

12

24

36

48

60

72

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)

3.8

7.6

17

24

32

39

47

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)

3.75

5.55

6.6

8.7

10.7

12.5

14.25