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Split Flow-No Purge Loss Dryer
split flow no purge loss dryer, external heater dryer, heat regenerative air dryer
The wet Air / Gas  stream is split at the air dryer inlet through a differential distributor valve. Part of this air / gas stream is passed through an external heater and heated to a regeneration temperature of 160-180C, then it is fed to the Adsorber desiccant tower A containing Silica gel or activated Alumina / Molecular Sieves under regeneration thus removing out the moisture from the desiccant bed. A water cooled / air cooled aftercooler  condenses the desorbed moisture which is discharged regularly through the automatic drain trap  . after condensation This Air/ Gas stream joins the main incoming air stream and goes for drying to the  other tower B under drying. Normally a Cycle time of  8+8  hrs is utilized to complete one cycle of operation. After each operation the changeover is effected automatically.
 
This type of dryer provides an outlet Dew Point of  -40 deg C. The Air  dryer can be supplied with standard accessarie like  simplex / duplex Prefilters / Afterfilters, Flowmeters, dew point meters etc. The system is fully automatic / semi automatic , with Timer / PLC controls with feedbeck to/ from main DCS.



APPLICATIONS  --
- Instrument air dryers for power plants Refineries & Petrochemicals  , chemical  & fertilizer plants   etc.
- CNG Compressed Natural Gas Drying  & conditioning plants , Gas Drayers.
-  Hydrogen Gas Drier for generator Cooling Application.

See Photogallery

SPECIFICATIONS FOR SPLIT FLOW NO PURGE LOSS TYPE AIR DRYER

MODEL NO.
CAPACITY
PIPE LINE SIZE
mm
POWER CONSUMPTION KWH/DAY
COOLING WATER REQT.
LPM
APROX. OVERRALL DIMENSIONS
M/ HR
CFM
LENGHT
mm
WIDTH
mm
HEIGHT
mm
NPL-01
163.0
100
25
43.2
14
1600
1400
1800
NPL-02
244.5
150
25
64.8
21
1800
1500
2000
NPL-03
326.0
200
25
86.4
28
1800
1500
2000
NPL-04
489.0
300
40
129.6
42
2000
1500
2200
NPL-05
652.0
400
40
172.8
56
2000
1500
2200
NPL-06
815.0
500
50
216.0
70
2000
1800
2200
NPL-07
978.0
600
50
259.2
84
2200
1800
2400
NPL-08
1222.0
750
65
324.0
105
2400
1800
2400
NPL-09
1630.0
1000
65
432.0
140
2500
2000
2600
NPL-10
2037.0
1250
80
518.0
175
2500
2000
2800
NPL-11
2445.0
1500
80
648.0
210
2500
2000
3000
NPL-12
3260.0
2000
100
842.0
280
3000
2000
3000
NPL-13
4075.0
2500
100
1030.0
350
3000
2000
3000

The above air dryer capacities are rated at an inlet temp. of 40C., 7kg/ Cm2g Pr. ( 0.7 Mpa ) and at an outlet dew point of (-) 40C. at Atm. Pressure, Supply Voltage of 415 V-3 PH- 50 HZ or 220V-1PH-50 Hz.

Above data is only for estimation and can be changed without notice. For special systems and higher capacities please contact us.


For cost comparison of operating of a Heat of Compression Type Air Dryers Vs. Heated Type/Heatless/Refrigerated Type Air Dryers please clickhere.

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Areawise Associates Product Profiles Corporate Info Exhibitions Customers Approvals

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