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Model No.
Flow
Purity
Pressure
Dew point
Remarks
KG(Y)ZD
200~1200 Nm3/h
95~99.9%
0.05~0.65 MPa
-20oC~-45oC
For food industry
JXZD
200~800 Nm3/h
95~99.9%
0.05~0.65 MPa
-20oC~-45oC
For food industry ,underground,movable
 

PSA nitrogen generator uses carbon molecular sieve as solvent, produces nitrogen by making use of the PSA principle. Under certain pressure, carbon molecular sieve has different oxygen/nitrogen adsorption capacity, i.e. much more oxygen adsorption capacity than nitrogen adsorption capacity.


PLC controls pneumatic valve on/off to realize two towers alternate adsorption and desorption as per pressure change, carries out oxygen/nitrogen separation and produces nitrogen with desired purity.

Inject nitrogen into the oxidation space of mining empty zone or fire zone to reduce the proportion of oxygen to less than 10% or 3%, to achieve fireproofing and blast-proof, such as:

1. Eliminate danger of fire damp explosion.
2. Reduce air leak effect.
3. Reduce temperature
4. Prevent the coal from heating and self-ignite. Reduce burning intensity

1.After cooler
2.Oil&water eliminator
3.Piping filter
4.precision filter
5.Extra-precision filter
6.Oileliminator
7.Adsorption Tower
8.Muffle
9.Buffer tank
10.Dust filter
11.Nitrogen analyzer
12.Flowmeter