According to the principle of pressure swing adsorption (PSA), high quality carbon molecular sieve was used as adsorbent. Under a certain pressure and due to the kinetic effect, the diffusion rate of
High Performance PSA Nitrogen Plants
Technical indicators:
Nitrogen production: 5 ~ 8000Nm3/hr
Nitrogen purity: 95 ~ 99.999999%
Nitrogen pressure: 0 ~ 0.8Mpa (1.0 ~ 15.0Mpa is also available)
Dew point: ≤-45 ~ -70℃
Technical characteristics:
Imported pneumatic angle valve, service lifespan for more than 3 million times.
Siemens PLC intelligent program controller, easy to operate, stable operation.
Special alumina ceramic ball diffusion technology to make the air distribution uniform, improve the adsorption efficiency of the adsorbent.
Self-powered cylinder pressing device (Patent number: ZL-200820168079.9) to protect the service lifespan of carbon molecular sieve.
Original centrifugal vibration filling mode (Patent number: ZL-200820168078.4) effectively ensures the maximum amount of filling.
PSA Nitrogen Plants Working Principle
According to the principle of pressure swing adsorption (PSA), high quality carbon molecular sieve was used as adsorbent. Under a certain pressure and due to the kinetic effect, the diffusion rate of oxygen in the micropores of carbon molecular sieve is much higher than that of nitrogen. When the adsorption is not balanced, oxygen is adsorbed by carbon molecular sieve in large quantities, and nitrogen molecules are enriched in the gas phase, thus, achieving the separation of oxygen and nitrogen. Because the adsorption capacity of carbon molecular sieve on oxygen with different pressure have obvious differences, therefore, by reducing the pressure, you can desorb carbon molecular sieve adsorption of oxygen molecules, so that carbon molecular sieve regeneration, to repeat recycling. Meanwhile, we adopt the two-adsorption tower process, one tower is used for adsorption and nitrogen production; the other tower is used for desorption and regeneration. The PLC intelligent program controls the pneumatic angle valve opening and closing, so that the two towers cycle alternately, continuously producing high-quality nitrogen.
KNA Series PSA Nitrogen Plants
Product Features:
Fully Automation:All systems are designed for un-attended operation and automatic nitrogen demand adjustment.
Lower Space Requirement:The design and instrumentation make the plant size very compact. Assembled on skids, prefabricated and supplied from factory.
Fast Start-up:Start-up time is about 30 minutes to get desired nitrogen purity. These units can be switched ON & OFF as per nitrogen demand changes.
High Reliability:It's very reliable for continuous and steady operation with constant nitrogen purity. Plant availability time is better than 93% always.
Zeolite Molecular Sieves Lifespan:Expected Zeolite Molecular Sieves lifespan is more than 10-years. Low investment and energy consumption,Simple operation and maintenance
Functional Specification:
The systems adopt the one-click start way, Air compressor, Refrigerated Air Dryer, Adsorption dryer, Generator will start to work following the program one by one.
The nitrogen generator equipped with unqualified nitrogen gas warning alarm and automatic vent out, therefore, it can make sure that all nitrogen that goes into the pipeline is high quality.
The nitrogen generator equipped with colorful touch screen from Siemens Germany, it can display the running condition, purity, pressure, and nitrogen rate flow of the whole system on-line; It can also notify the maintenance time, record the trouble alarm and download the operating data.
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