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  PSA Oxygen Gas Generators 







Our Oxygen Generators operates on Pressure Swing Adsorption, commonly known as P S A Technology.

P S A Technology is based on the selective adsorption phenomena of gas molecules under pressure on the surface of highly porous and efficient adsorbent, In this case of Oxygen Generation the Adsorbent is zeolite based Molecular Sieve (Z.M.S.)

In P S A System when compressed air is passed through a adsorption tower field with Z.M.S. the molecules of oxygen, moisture & other unwanted gases are adsorbed on surface of Z.M.S. and Oxygen which is not adsorbed by Z.M.S. comes out of adsorption tower and is collected in a surge vessel.
For continuous generation of oxygen two Adsorption towers are provided which are interconnected with Autochange over valves controlled by PLC in the control panel. After saturation of one tower with nitrogen the process automatically changes over to another tower and thus the oxygen production is continuous.

Our systems are the best ones in industry to ensure the highest efficiency, userfriendly design, Reliable Economical and Durable.
Our onsite oxygen generators are custom made and can be adjusted to give
the desired oxygen quality for your process and application.

    

 

The Oxygen Gas Generator are Skid Mounted and Precommissioned at our works. Are fully Automatic and requires virtually no attention of the Operator. Once started it can be left-unattended. All operations take place automatically and Oxygen Purity remains very consistent. In case of any abnormality the gas Generator would trip automatically with Audio Visual Alarms for Necessary action.

In case of Storage Tank Getting Filled The Gas Generator Goes to Sleep and restarts Once the pressure in storage Tank is Reduces to set Limit.

  

Audio Visual alarms in our Standard System

• Air Compressor Trip
• Low Feed Air Pressure
• High Air Inlet Pressure
• Low Surge Tank Pressure
• Low & Very Low Oxygen Content - 2 Set Limits
• High Moisture Content (Optional)
• High Storage Tank Pressure

 
 
  Standard Scope of supply
  • Air Intake after cooler, Moisture separator, Prefilter, Auto Drain valve & Wet Air Receiver • Twin        
  Tower Desiccant based Air Dryer Fully Automatic with Pneumatically Operated Changeover-Valves
  (REF. Dryer - Optional ) • Dry Air Receiver with Pressure Gauge, Pressure Switch and Candle type 
  After Filter • Twin Tower P.S.A. Module with Automatic Pneumatically Operated Changeover valves,
  Pressure Gauges & Interconnecting Piping • Surge Vessel with Instruments & Drain valve • Z.M.S.
  (ZEOLITE MOLECULAR SIEVES ) One Charge filled in P.S.A. Adsorption Towers • Flow meters for
  Oxygen with Flow control valve, NRV and Back Pressure Controller • Centralized control panel with
  sequence programmer and Fault Indications Lamps
  • Online Oxygen Analyser with settable low oxygen and very low oxygen alarms

  Upstream Equipment for Feed Air
  In case the Feed Compressed Air required for Oxygen Generator is not available from your
  centralized air supply you will be required to attach the feed air compressor
 

Capacity :

 From 2 Nm3/hr to 500 Nm3/hr

Purity :

 Upto 95%

Pressure PSIG :

 20 - 100

Moisture content
(Dew-Point) :

 Minus 50 Deg. C Normal

Gas analysis Systems :
     A) Oxygen :
     B) Moisture Content :
     C) Flow :
 

 On-line oxygen analyser
On-line dew-point analyzer are offered
Glass tube Rotameter
Gas Storage : Offer as per customers requirement
Dimensions : Tailor made designs as per customer's layout requirement
   Advantages of Oxygen PSA Systems
  • Proven PSA technology produces highly reliable Oxygen supply at your site.
  • User friendly designs with few moving parts means minimal maintenance, maximum reliability.
  • Economiser shuts system down during low demand to increase savings.
  • Microprocessor-control system allows unattended operation and maintains highest efficiency.
  • Tailor made designs as per customer's layout requirement
  • Precision-engineered switch-over valves provide high reliability with minimal maintenance.

   Application of Oxygen

Glass, Ampules & Vials Manufacturing, Brazing, Hospital, Fish Farming, Refinery, Water Treatment, Chemical and Petrochemical Plants, Metal Treatment, Electronic/ laboratary Applications.

[ FOR VIEWING THE SCHEMATIC DRAWING OF Oxygen PSA SYSTEM ]

[ For Applications of Oxygen ]

 

Copyright © 1995 Airox Nigen Equipments Pvt. Ltd.