50Nm3/h-450Nm3/h, equivalent to liquid oxygen of about 1.7 TPD – 15.4 TPD.
1. Advanced single-vessel process
Compared with the traditional double-vessel process, the
world-leading single-vessel process requires less equipment but
brings more stable performance with easier operation and
maintenance.
2. High efficiency lithium-based molecular sieve
The third generation of high-efficiency lithium-based oxygen
generation molecular sieve (PU-8) has a lithium ion exchange
rate of over 99%, bringing plenty of advantages such as high
strength, high nitrogen and oxygen selectivity, large bulk
density, uniform particles, long service life, etc. In
combination with the proprietary automatic filling technology,
the stability of the molecular sieve bed is effectively
guaranteed.
3. Special valves for oxygen generation
Special valves for oxygen generation are more suitable for VPSA
oxygen process, offering good sealing, fast switching speed,
stable performance and other characteristics, along with
outstanding low failure rate and easy maintenance.
4. Modular integrated design
Compared with the conventional double-vessel process, the
equipment is more compact and the plot area can be reduced by
more than 20%.
5. Low operation cost
The power consumption of oxygen is as low as 0.35kWh/Nm3, the
annual maintenance cost is 30% lower than that of a common PSA
oxygen generator. The annual comprehensive operation cost is
also reduced by more than 50%, compared with the cost of common
PSA oxygen generator or purchasing liquid oxygen.
TAdsorption process: the pressurized ambient air is passed through the adsorption vessel, where the impurity gases (i.e. predominantly nitrogen) are preferentially adsorbed by the molecular sieve. Oxygen is enriched at the top of the adsorption vessel, then enters an oxygen buffer tank to supply oxygen to the downstream;
Desorption process: after the molecular sieve is saturated by adsorption, the valve is switched to allow the blower to reverse act and vacuumize, thus restoring the adsorption capacity of the molecular sieve. In this stage, oxygen is continuously supplied to the downstream from the oxygen buffer tank.
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