Drying Machine
Home » Products » Auxiliary Equipment » Drying Machine
Frozen Compressed Air Dryer
Miro-heat regeneration...
Heatless regeneration....

Guideline for selection of frozen compressed air dryer

To select a frozen dryzer, it is required to consider the actual flow, pressure of the compressed air as well as ambient temperature and the pressure dew point required. The cold dryer processing volume is Qs=Qa×C1×C2, where the Qa is the actual flow of the compressed air.

For example:

The inlet air pressure of the dry compressor is 0.7Mpa, the inlet air temperature is 40°C, ambient temperature is 40°C, the actual flow of air compressor Qa is 0Nm3/min, the pressure dew point required is + 20°C, then the processing volume of the cold dryer is Qs=Qa×C1×C2, and according to Tables 1 and 2, C1=0.80, C2=1.22, so Qs=9.76, and it is most appropriate to select the specification KSAD-10SF.

Dew point conversion table

Frozen Compressed Air Dryer

Table 1 Pressure and temperature modification coefficient of compressed air (C1)

Inlet temperature (°C)

Air inlet pressure (Mpa)

0.4

0.5

0.6

0.7

0.8

0.9

1.0

25

0.49

0.43

0.40

0.37

0.35

0.33

0.32

30

0.57

0.52

0.46

0.42

0.40

0.37

0.36

35

0.84

0.77

0.71

0.65

0.62

0.59

0.57

40

0.99

0.91

0.85

0.80

0.77

0.74

0.72

45

1.20

1.11

1.05

1.00

0.97

0.94

0.92

50

1.37

1.30

1.24

1.18

1.14

1.10

1.07

Table 2 ambient temperature and pressure dew point correction factor (C2)

Ambient temperature (°C)

Pressure dew point

 

2°C

10°C

25

0.65

0.34

30

0.78

0.46

35

1.00

0.66

40

1.22

0.86

Relation between atmospheric dew point and moisture

Dew point (°C)

Moisture (g/m)

Dew point (°C)

Moisture (g/m)

Dew point (°C)

Moisture (g/m)

Dew point (°C)

Moisture (g/m)

14

12.07

-5

3.407

-24

0.7678

 

 

13

11.35

-6

3.169

-25

0.7074

-43

0.1298

12

10.66

-7

2.946

-26

0.6463

-44

0.1172

11

10.01

-8

2.737

-27

0.5922

-45

0.1055

10

9.309

-9

2.541

-28

0.5422

-46

0.9501

9

8.819

-10

2.358

-29

0.4960

-47

0.08544

8

8.270

-11

2.186

-30

0.4534

-48

0.07675

7

7.750

-12

2.206

-31

0.4141

-49

0.06886

6

7.260

-13

1.876

-32

0.3779

-50

0.06171

5

6.797

-14

1.736

-33

0.3445

-51.1

0.054

4

6.360

-15

1.605

-34

0.3138

-53.9

0.040

3

5.947

-16

1.483

-35

0.2856

-56.7

0.029

2

5.559

-17

1.369

-36

0.2597

-59.4

0.021

1

5.192

-18

1.261

-37

0.2359

-62.2

0.014

0

4.847

-19

1.165

-38

0.2141

-65.0

0.011

-1

4.523

-20

1.074

-39

0.1940

-67.8

0.008

-2

4.217

-21

0.9884

-40

0.1757

-70.6

0.005

-3

3.930

-22

0.9093

-41

0.1590

-73.3

0.003

-4

3.660

-23

0.8359

-42

0.1438

 

Frozen Compressed Air Dryer

Frozen Compressed Air Dryer

1. Heat exchanger

2. Evaporator

3. Gas-liquid separator

4. Automatic drainer

5. Cold-medium compressor

6. Vaporizer

7. Thermal expansion valve

8. Sight glass

9. Dry filter

10. Condenser (water cooling)

11. Hot gas by-pass valve

12. Oil component

13. Condenser (air cooling)

14. Refrigerator

15. Pre-cooler

Welcome to send your message to us
*Email
!!
*Content
!
Product Name
Your Name
Company
Address
Tel/Fax.
Msn/Skype
RSS Sitemap 浙ICP备14040323号