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Working Principle
Under certain pressure,with the use of the difference of diffusion rate between nitrogen and oxygen int air on carbon molecular sieve;oxygen molecule ins absorbed largely by the carbon molecular sieve and nitrogen molecule concentrates in gas-phase in a short time,so as to realize separation of oxygen and nitrogen.
Due to the absorption capacity of carbon molecular sieve for oxygen varies largely from different pressure,reducing the pressure can make the carbon molecular sieve release absorbed oxygen molecular and regenerate the carbon molecular sieve,so as  to realize repeated recycling of it.
It adopts the technique of two absorption towers,whcih one tower absorbs oxygen and produces nitrogen,while another tower releases the absorbed oxygen and regenerates the carbon molecular sieve.This cyclic-alternating  patten can produce high-quality nitrogen continuosly.
 
Technical Features
Low energy consumption,less cost,strong adaptablity,rapid nitrogen production ande adjustable purity.
 Perfect technique process disign and  optimal using effect.
Modular strcuture design and saving of floor space.
Convenient operation,stable performace, high atuomation and unattended operation.
Reasonable inner structure,uniform  distribution of airflow,reducing of high-speed impacts of the airflow .
Unique protection measure for carbon molecular sieve extends service life of the carbon molecular sieve.
Key parts adopt the famous brand,which is the effective guarantee of the equipment quality.
Automatic venting device with national patented  technology ensures quality of produced nitrogen.
It has functions of diagnosis,alarming and automatic  troubleshooting for several failures.
Touch-screen display,dew point detection,energy-saving control   ,DCS communication,etc.are optional.

Technical parameters
Nitrogen Flow: 5~300Nm³/h
Nitrogen Purity: 95%~99.999%
Absorbent pressure:0.5~1.2MPa
Nitrogen Pressure:0.1~0.7MPa(adjustable)
Nitrogen Dew Point:-40ºC or -60ºC