Based on Customer Engergy Saving Request of VPSA Oxygen Generator

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1)Energy Saving Molecular Sieve: Using the new efficient Li molecular sieve,lower energy consumption and running cost;

2) Adsorption Tower: Adopting the advanced structure of the adsorption tower, control the dead space of the adsorption tower,the reasonable air distribution structure ensures the adsorbent work stably and reliably in the long term;

3)Control Valve: Using steady and reliable high-performance double eccentric butterfly valve, with longer lifespan, shorter response time, and better adjustability;

4)PLC: Use the full set of the Siemens control system, with automatic running, steady and reliability, and the intuitive man-machine control interface which is easier to operate;

5)Assort: Use adopting Roots blower and pump machines with high efficient and steady flow,matching the professional muffler to reduce the running noises;

6)Startup &Shutdown: Compared with the cryogenic equipment, the opening and closing are convenient

and quickly, and it is safe and reliable that running under the normal pressure and temperature;

7)Adjustment: With the load adaptability, the oxygen content is adjustable according to theconsumption, which can save the energy consumption of the equipment;

8)Monitoring: Achieving the globally remote communication to ensure the equipments are under the security monitoring.

1. VPSA Oxygen Generator Process Description

     Vacuum desorbed PSA oxygen generator is widely used for oxygen onsite supply, with the obvious

characteristics of lower running cost, safe and reliable operation under atmospheric pressure, and high degree of automation, etc.

       The micro positive pressure adsorption, the equipment of vacuum-desorption produces oxygen is called Vacuum Pressure Swing Adsorption generator (VPSA-O2).

     The VPSA-O2 generator uses air blower to supply air of the micro positive pressure, adsorbs nitrogen and produce oxygen inside the towers,vacuumizes with the vacuum pump, and makes the molecular sieves desorb nitrogen under the vacuum state. The VPSA-O2 generator usually has two adsorption towers, one tower is used for adsorbing nitrogen and producing oxygen, the other one is for desorbing nitrogen and make

regeneration, two towers alternate adsorption and regeneration to output oxygen continuously.

      The VPSA-O2 generator adopts Li-LSX zeolite molecular sieves, and it has the better performance index in the low pressure state.

2. VPSA Oxygen Generator Flow Chart

1.Delivery time
Generally 40-60 working days after the order confirmed;

2.Packaging
1) Custom package request is appreciate.
2) Standard package: Packaged in plywood case and placed on plywood skid;