| Customization: | Available |
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| Type: | Pistons |
| Application: | Psa Nitrogen Machine |
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The nitrogen membrane generator is a complete turnkey system. It arrives at your location and you put it online. We design and build membrane nitrogen generators
to your specifications. We can match our membrane nitrogen generators to your compression equipment for any application.
Technical Parameter (Equiped Air cooled Screw Compressor+ High pressure piston compressor)
| No. | Item | Unit | Value | |
| 1 | Nominal volume flow rate | m3/min | ≥17 | |
| 2 | Rated discharge pressure | MPa | 1.25 | |
| 3 | Environment Temperature | ºC | -30~+45 | |
| 4 | Cooling method | Closed water cooling | ||
| 5 | Shaft Power | KW | 156.7 | |
| 6 | Discharge gas temperature | ºC | ≤50 | |
| 7 | Gas adjustment type | Proportional automatic adjustment | ||
| 8 | Noise | dB(A) | 85±2 | |
| 9 | Diesel engine(common) | Power | KW | 298 |
| Speed | r/min | 1800 | ||
| Brand | Cummins | |||
| Type | NTA855-P400 | |||
| Start mode | Storage Battery, cold start | |||
| 10 | Outlet diameter | mm | 65 | |
Screw Compressor Configuration:
1.The LGF-17/12.5-C screw air compressor is skid mounted, and the main and auxiliary machines are installed on the same skid.
2. Screw air end: used Hangzhou JOY air end, single-stage compression, reliable performance, low specific power.
3. It is elastically and directly connected to the diesel engine, which is stable and reliable, high transmission efficiency, low noise, and low maintenance costs.
4. Diesel engine: Chongqing Cummins NTA855-P400 diesel engine.
5. The compressor is cooled by closed water cooling, air cooling for water, water cooling for compressor.
6.The compressor is equipped with safety valves at all levels.
7. Centralized manual and automatic sewage discharge, visible sewage discharge status.
8. Compressor control system: the control is transmitter+PLC+touch screen. The screw compressor has the functions of high oil temperature, high discharge pressure protection and gas volume regulation.
9.The exhaust pipe interface is connected to the outside of the compressor skid, and equipped with HG/T20592 paired flanges for easy field installation. The discharge port diameter is DN65 and the pressure is PG1.6MPa.
Hollow Fiber Membrane Nitrogen Production System
Membrane separation nitrogen generation unit includes air purification treatment (gas water separator, multi-stage oil removal filter, activated carbon filter, heater), pressure and temperature control, membrane separation device and nitrogen purity control and metering system.
Design conditions: 20 ºC 1bar 50% relative humidity
a. Air gas flow rate ≥ 17m3/min
b. Air gas quality: oil content ≤3ppm, particle content ≤ 3μm
c. Air gas pressure ≥ 1.25mpa
Compressed air temperature: ambient temperature +15ºC
d. Nitrogen gas flow rate: 600m3/hr
e. Nitrogen purity 90% (oxygen content 10%)
f. Nitrogen outlet pressure 1.0MPa
g. Nitrogen gas dew point ≤ -40ºC
h. Nitrogen gas temperature: 50ºC
i. Ambient temperature: -30ºC~ +45ºC
j. Explosion proof grade: no danger
k. Working system: continuous working
l. Generation time of Nitrogen gas after startup: ≤ 5min
m. Equipped with sound-insulated and insulated cabin, the angle of the cooling air outlet grille is adjustable, and the cabin is equipped with an electric heater, and the cabin can be fully closed in winter.
n. Centralized manual sewage discharge, visible sewage discharge status
Technical parameters of Piston Nitrogen booster Compressor
| No | Item | Unit | Specification | |
| 1 | Intake state flow rate | m3/min | 0.95 | |
| 2 | Standard state flow rate | Nm3/h | 600 | |
| 3 | Rated discharge pressure | MPa | 25 | |
| 4 | Intake pressure | MPa | 1.0 | |
| 5 | Compressor speed | r/min | 740 | |
| 6 | Compressor stroke | Mm | 92 | |
| 7 | Compressor stage | / | 3 | |
| 8 | Shaft power | KW | 98.5 | |
| 9 | Lubrication type | / | Oil inject | |
| 10 | Connection mode | / | Hydraulic deceleration clutch elastic direct connection | |
| 11 | Environment temperature | ºC | -30~+45 | |
| 12 | Cooling type | Closed water cooling | ||
| 13 | Gas transmission temperature | ºC | ≤60 | |
| 14 | Noise | dB(A) | 85±2 | |
| 15 | Diesel engine (common) |
Power | KW | 298 |
| Speed | r/min | 1800 | ||
| Manufacturer | Cummins | |||
| Type | NTA855-P400 | |||
| Start mode | Storage Battery,cold start | |||
| 16 | Outline Pipeline | mm | DN15 | |
How a Nitrogen Generator Membrane Works
Pressurized air is fed to one end of the hollow fiber membranes. Membranes contain a bundle of hollow fibers with holes small enough to allow the smaller oxygen molecules to exit through them under pressure. The permeation rates of water vapor, CO2, and oxygen contained in the air stream are faster than nitrogen and argon and will rapidly diffuse through the fiber walls. The slower diffused nitrogen molecules remain in the fiber bore and are collected as the nitrogen product gas. The air flow rate will determine how much undiffused oxygen remains with the nitrogen gas. The nitrogen product gas is extremely dry, with atmospheric dew points typically below -40°F. The membranes act like a filter with no moving parts and continuously generate nitrogen at selected flow and purity.
Safety Features
1.Equipped with temperature control system: to ensure that the temperature of the compressed air entering the membrane system is constant. When the temperature exceeds the set value, the heater can be automatically cut off to protect the membrane module. Membrane insulation sleeve heating adopts PTC with tropical automatic temperature limiting, protective film group.
2. Equipped with an inlet and outlet pressure interlock switch: When compressed air entering the membrane system is interrupted or the air pressure is lower than a certain set value, the heater can be automatically turned off to protect the membrane group and the heater.
3.Nitrogen purity control system: The oxygen analyzer can ensure the accurate display of the nitrogen content of the product, ensure the system is safe and reliable, and the nitrogen purity of the product can be continuously adjusted between 90% -99%. The nitrogen produced by this equipment can reach the qualified purity within 5 minutes after startup. It is equipped with an automatic vent valve. When the purity of the product gas exceeds the set value, the unqualified nitrogen is automatically discharged to the atmosphere immediately, ensuring the user's requirements. Nitrogen is not contaminated.
4.The safety relief valve can protect the pressure vessel from overpressure.
5.All pressure vessels, high-pressure pipe fittings and valves shall be provided with the certification of pressure vessel management department.
For more information about our nitrogen membrane generator, please contact us.
Inquiry to us!
Note:for the other customizing process gas compressor, please kindly send below information to our factory to calculate the producing cost for your item.
Clients' inquiries should contain related parameters
A. The gas compression medium
B. Gas composition? or the gas purity?
C. The flow rate: _____Nm3/hr
D. Inlet pressure: _____ Bar (gauge pressure or absolute pressure)
E. Discharge pressure: _____ Bar (gauge pressure or absolute pressure)
F. Inlet temperature
G.Discharge temperature
H. Cooling water temperature as well as other technical requirement.
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