Energy-saving PSA Nitrogen Generator Nitrogen flow 90Nm3/h Nitrogen purity 99%
|After-sales Service Provided:Overseas third-party support available|
Souair Company is based on”Beginning on the customers’ requirement/market acquired,end on the customers’ satisfied” as core value viewpoint,try hard innovation,focus on research and development,supply market or customers best quality machine.
Souair company insist on the work people as the company culture,try to explore the max ability of every people in the company, and supply the continual on-the-job training,then make the skill and accomplishment improved,finally supply better base for the company development.
The Innovative design philosophy,advanced manufacture technics,leading produce technology,ensure the machine ‘s quality from Souair company.Our company has CQC Certificate/CE certificate/ TUV certificate/ ISO9001:2008 Certificate and so on for our machines.and we got some honorary certificates below “ china government purchased best brand” “ best promoted popularize and apply advanced product”.
KNA-90C Nitrogen Generator Technical Plan
1. Design requirements
1.1 Working site
1.1.1 Operating requirements
Ambient temp: 2℃~38℃
Relative Humidity: ≤80%
Altitude: ≤500m Dry, clean, Ventilated, with non-corrosive materials around.
1.1.2 Air required
1.2 Product data
Nitrogen dew point
Flow unit“Nm3/h”is under 20℃,0.101MPa standard flow
1.3 Project requirements
Equipment power: 31.5KW(Nitrogen Generator)
Cooling: air cool
Install place: indoor good ventilated
Install base: Smooth concrete floor, no base required
Environment required: No coal gas, ammonia and sulphide
2. System Process
System 1.Compressed air (optional)
First, the compressed air from the screw air compressor with outlet pressure 0.8MPa, flow volume4.8m3/min, enter to the V-1.0/0.8 air buffer tank to ensure stable air supply.
System 2. Purity system (Skid-mounted)
Compressed air first through KAL – 6C efficient gas-liquid separator (with cyclone separator) to remove most of the liquid water, dust, and then into KAD – 6F micro thermal regeneration after the precision filter drier , make the normal pressure of compressed air dew point down to - 23 ℃, then through a fine filter KAQ - 6 dust filter after make dustiness 0.01 microns or less,
System 3. Nitrogen generator and buffer device (Skid-mounted)
Clean compressed air first enter to buffer tank V-0.3, and then into two PSA separation tower which filled with adsorbents (zeolite molecular sieve, composite structure) i.e. KNA-90C. Compressed air enter through the bottom of the adsorption tower, the air flow evenly spread after the special stainless steel multi-layer to adsorption tower to separate Nitrogen and nitrogen, finally Nitrogen flow out, this processed by pressure equalizing and pressure reducing (to atmospheric pressure). The adsorbent release the adsorbed impurities component (primarily oxygen) to complete the regeneration of the adsorbent. The operating cycles between 2 adsorption towers, the air is continuously fed in, the Nitrogen continuously generated.
Nitrogen generated from the Nitrogen generator first enter to Nitrogen buffer tank V-0.6, and then filtered by KAL-2A ultrafilter to get the purity of 99% Nitrogen, the yield is 90Nm3/h, the output pressure is 0.8MPa(adjustable), atmospheric dew point ≤-45℃, dust content ≤0.01μm.
KNA-90C nitrogen generator is equipped with a Nitrogen analyzer (scope of 95%-99.99%) , rotor flow meter, auto empting devices, and pressure relief devices. Digital display, on line analysis to ensure 99% Nitrogen purity
3. Technical advantages
A. Carbon molecular sieve
High quality Carbon molecular sieve to make sure maximum energy saving, our company use the latest imported products which has the advantages of strong hardness, less powder, high Nitrogen recycling, long using life (up to 8 years) and so on.
B. Composite structure design for absorbing tower (showing in the fig)
Our new PSA Nitrogen generator adopt the new composite structure design for the absorbing tower, the top is cylinder and coconut auto compress device, the upper part is carbon molecular sieve, the lower molecular sieve is activate processed, compressed air through a special diffuser, firstly flow through to the activated molecular sieves to take off the most moisture to ensure the dew point under -45℃ for the air pass through the sieve.
C. Imported pneumatic angle seat valve
We corporate with the world famous Danish ESG stainless steel pneumatic angle seat valve, switching time 0.05 seconds, the normal using life is more than 2 million times, has advantages of simple structure, reliable sealing, close quickly, easy maintenance, reliable operation for protection of nitrogen generator.
D. Special gas diffusion structure
The adsorption tower has a special internal air diffuser apparatus, first compressed air enter through the neck of the cyclone unit to contact with the special diffusion alumina balls (using a spherical shape and its hardness), the air flow as an "S" type. The gas then flow through the double stainless steel mesh sieve and activated processed sieve to finally contact with the carbon molecular sieve, which not only greatly reduce the impact to molecular sieve, but also make gas more evenly in the adsorption process, help to improve nitrogen life efficiency and carbon molecular sieves.
E. Cylinder Auto-compress device
Adsorption tower uses advanced cylinder auto compress technology, the device has a molecular sieve automatic replenishment function control system can supervise the changes of the molecular sieve in adsorption tower.
Auto-compress device uses operating pressure in adsorbing tower as its own working pressure, and begin work when the Nitrogen generator start working, its working pressure maintain a balance with the tower pressure, the pistons not influenced by alternating force, to make sure not crush the carbon molecular sieve. The pressing force always keep balance which does not change with the stroke, the pressing is provided in a decanter limit alarm system, when the stroke of the pressing exceeds its stroke, the automatic limit alarm system will list on panel photoelectric alarm, easier monitoring, stronger reliability and more efficiency.
F. Original high-efficiency filling
Our uniq ue twist stretch vibration sieve filling method allows more uniform dense packing can get a minimum friction to ensure no phenomenon of powder for carbon molecular sieve under long adsorption process.
G. Siemens PLC intelligent program controller
We configured the German company Siemens control systems for our Nitrogen generator, the unit has good control performance and reasonable running mode, can display various operating parameters, status and fault signal, automatically handle load changes in control system. The system is settings LCD control panel, not only display function, but also set and control the parameter on the panel easily, the system can be interlocked start-stop control remotely with the air compressor, and feedback various status signal.
H. Advanced PSA process to maximum energy saving:
The new Nitrogen device uses upper pressure balance, which is improved according to the traditional equalizing process. upper pressure balance is let the gas flow out from the top of the adsorbing tower, and then into the regenerated adsorbing, which have the advantage of increasing the Nitrogen purity, because the upper in the absorbing tower, the higher Nitrogen purity, so the higher purity Nitrogen flow into the adsorbing tower can greatly improves the Nitrogen purity and the utilization of the CMS, i.e., increase the gas production of CMS. Upper pressure balance is more rational, scientific, and directly increase the recovery rate of Nitrogen, saving the consumption of compressed air and energy.
In summary, our Nitrogen generator is better than other domestic manufacturers in design, manufacture, selection, etc. we have our unique features and advantages, its performance has reached a higher level among domestic similar products.
4. Main technical data
4.1 KNA-90C Nitrogen Generator
Nitrogen Dew point
The oil content
Nitrogen dust content
Nitrogen output pressure
Nitrogen Generator compressed air consumption
3.4(maximum flow before entering adsorbing tower)
Nitrogen Generator install power
Nitrogen Generator power input
Installation Environment :
Indoor (unit install)
Inlet/outlet flange size
(KNA-90C purity 99% Nitrogen Generator model)
4.2. KAD-6F dryer
Final dew point
Electromagnetic automatic sewage
Inlet/ outlet diameter
4.3 Air compressor data
Screw Air Compressor
Max Environment Temp.
Motor protection class
Outline dimension (L/W/H)
5. KNA-90C Nitrogen Generator equipment list
5.1. Supply scope(All equipment)
Air compress system
Screw air compressor
Air Buffer tank
Nitrogen system skid-mounted
Air buffer tank
Nitrogen buffer tank
NG adsorbing tower
With pressure vessel certificate
Carbon molecular sieve
Intelligent Control System
Germany's Siemens, with a 7-inch touch screen
Pneumatic angle seat valve
SS304,3 year warranty
Germany Nice coil
Auto compress device
Cylinder with subsidence alarm
Nitrogen flow meter
Vortex gas distributor
2 mesh filter air distributor device
Joint Pipe & valves
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- Shanghai Souair International Trade Co., Ltd.
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