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Double Tower Pressure Swing Adsorption Nitrogen Generator

Parameters of Different Models of Nitrogen Generators

Nitrogen Purity: 98~99.999%

Maximum Inlet Air Temperature: ≤40°C

Minimum Inlet Air Temperature: 5°C

Minimum Inlet Air Pressure: 0.6MPa

Maximum Ambient Temperature: ≤45°C

Power Supply Requirements: 220V 50Hz/110V DC24V

Noise: <70dB

Nitrogen Dew Point: ≤-40℃

Control Method

Standard: PLC Programmable

Advanced: Human-Machine Touch Interface

Category:

Nitrogen generator

Keywords:

Tel:

86 13809262735

Email:

shangwu@xbkyj.com

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Product Description

Core Components

Equipped with the best domestic pneumatic angle seat valve, with an effective valve action exceeding 3.5 million cycles and a lifespan of over 8 years, ensuring stable operation of the nitrogen generator.

Cooperating with high-quality domestic and international manufacturers to allocate the most economical and energy-saving molecular sieves based on customer usage.

Using imported coconut fiber pads with high density and strong toughness to ensure effective particle filtration, preventing powdering and sieve leakage.

Using Siemens PLC control to prevent garbled codes and program anomalies, ensuring normal equipment operation.

Using original Taiwan Airtac control components to ensure normal valve operation and extend service life.

Selecting top domestic gas analyzers with high precision, actual measurement deviation <0.001, long lifespan exceeding 5 years.

Product Features

  • Advanced energy-saving unequal pressure equalization structure improves adsorbent utilization and directly reduces compressed air consumption.
  • Advanced internal structure ensures uniform airflow distribution, reduces impact on adsorbent, and extends adsorbent service life.
  • Cooperating with well-known domestic and international carbon molecular sieve manufacturers to select the most energy-efficient and effective ratio according to actual working conditions.
  • Reliable air source treatment accessories ensure stable equipment operation and service life.
  • Using snowstorm filling method to make adsorbent filling more uniform and compact, minimizing friction coefficient and improving long-term reliability of the whole machine.
  • Using Siemens PLC programmable controller for automatic control, one-key start without special operation, and reserved connection for remote devices such as computers and mobile phones for real-time monitoring.
  • Using well-known domestic stainless steel pneumatic angle seat valves featuring fast opening and closing speed, low energy consumption, good sealing performance, easy installation and maintenance, and long service life.
  • Using a special spring pressing device that automatically compensates when the volume of carbon molecular sieve in the adsorption tower decreases, preventing powdering and extending service life.
  • Equipped with automatic/manual purge device for unqualified nitrogen (optional).
  • Selecting famous domestic and international brand components to ensure stable equipment operation and nitrogen quality.

Gas Diffusion Device

Weiteng's unique airflow diffuser forcibly splits compressed air into surface diffusion, avoiding airflow dead zones and channeling effects, improving adsorbent utilization and nitrogen production rate.

Conventional two types of airflow diffusers easily create airflow dead zones, causing incomplete adsorbent utilization and leading to adsorbent powdering and channeling reactions, directly affecting nitrogen quality and adsorbent life.

Self-operated spring pressing device

Cylinder-type pressing device

Nitrogen Generator Equipment Model Description

Code
Code 		Nitrogen Purity
Nitrogen purity
B 98%
D 99%
W 99.5%
P 99.9%
G 99.99%
V 99.999%

Working Process

Clean compressed air enters the adsorption tower filled with carbon molecular sieve from the bottom. After diffusion by a specially structured equalizing diffuser, the airflow evenly enters the adsorption tower for oxygen-nitrogen adsorption separation. High-purity nitrogen is produced from the top of the adsorption tower and sent to the nitrogen process tank for storage; a small amount of product nitrogen enters the regeneration tower to blow off the adsorbed oxygen on the carbon molecular sieve for regeneration. Two adsorption towers alternate cyclic operation, continuously feeding raw air and continuously producing nitrogen.

PSA Double Tower Nitrogen Generator Dimension Chart

Parameters of Different Models of Double Tower Nitrogen Generators

98% Purity Series

Model Specification
Model 		Gas Production
Flow rate
(Nm3/h) 		Air Demand
Demand capacity of air
(Nm3/min) 		Adsorption Pressure
Adsorption
pressure
(Mpa) 		Air Inlet
Air inlet 		Nitrogen Outlet
Nitrogen outlet 		Equipment Dimensions (mm)
Dimensions
L*W*H
WTB-60N 60 2.2 0.7 G1 G1 1500*1500*2350
WTB-120N 120 4.4 0.7 G1*1/4 G1 1850*1650*2450
WTB-150N 150 5.5 0.7 G1*1/4 G1*1/2 2000*1650*2450
WTB-180N 180 6.6 0.7 G1*1/2 G1*1/2 2200*1850*2500
WTB-230N 230 8.5 0.7 G1*1/2 G1*1/2 2200*1900*2890
WTB-300N 300 11.0 0.7 G1*1/2 G1*1/2 2350*2050*3100
WTB-350N 350 13 0.7 G2 G1*1/2 2350*2050*3250
WTB-400N 400 14.5 0.7 G2 G1*1/2 2400*1300*3250
WTB-450N 450 16.5 0.7 G2 G2 2500*1400*3200
WTB-550N 550 20 0.7 G2 G2 2700*1500*3200
WTB-600N 600 22 0.7 G2*1/2 G2 2700*1500*3250
WTB-650N 650 24 0.7 G2*1/2 G2 2800*1500*3250
WTB-750N 750 27.5 0.7 G2*1/2 G2*1/2 3000*1600*3300
WTB-850N 850 31.5 0.7 G2*1/2 G2*1/2 3100*2000*3540
WTB-900N 900 33 0.7 G3 G2*1/2 3300*2100*3600
WTB-1000N 1000 37 0.7 G3 G2*1/2 3500*2200*3600
WTB-1200N 1200 44 0.7 G3 G3 3800*2500*3600
WTB-1400N 1400 52 0.7 G4 G3 4000*2500*3600
WTB-1500N 1500 55 0.7 G4 G3 4200*2600*3600
WTB-1800N 1800 66 0.7 G4 G3 4500*2800*3600

Purity 99% Series

Model Specifications
Model 		Gas Production
Flow rate
(Nm/h) 		Air Demand
Demand capacity of air
(Nm3/min) 		Adsorption Pressure
Adsorption
Pressure
(Mpa) 		Air Inlet
Air inlet 		Nitrogen Outlet
Nitrogen outlet 		Equipment Dimensions (mm)
Dimensions
L*W*H
WTD-50N 50 2 0.7 G1 G1 1500*1500*2350
WTD-90N 90 3.5 0.7 G1*1/4 G1 1850*1650*2450
WTD-110N 110 4.2 0.7 G1*1/4 G1*1/2 2000*1650*2450
WTD-140N 140 5.5 0.7 G1*1/2 G1*1/2 2200*1850*2500
WTD-170N 170 6.5 0.7 G1*1/2 G1*1/2 2200*1900*2890
WTD-220N 220 8.5 0.7 G1*1/2 G1*1/2 2350*2050*3100
WTD-280N 280 10.8 0.7 G2 G1*1/2 2350*2050*3250
WTD-330N 330 12.7 0.7 G2 G1*1/2 2400*1300*3250
WTD-420N 420 16 0.7 G2 G2 2500*1400*3200
WTD-500N 500 19 0.7 G2 G2 2700*1500*3200
WTD-550N 550 21 0.7 G2*1/2 G2 2700*1500*3250
WTD-600N 600 23 0.7 G2*1/2 G2 2800*1500*3250
WTD-700N 700 27 0.7 G2*1/2 G2*1/2 3000*1600*3300
WTD-750N 750 29 0.7 G2*1/2 G2*1/2 3100*2000*3540
WTD-800N 800 31 0.7 G3 G2*1/2 3300*2100*3600
WTD-950N 950 36.5 0.7 G3 G2*1/2 3500*2200*3600
WTD-1100N 1100 43 0.7 G3 G3 3800*2500*3600
WTD-1200N 1200 46 0.7 G4 G3 4000*2500*3600
WTD-1400N 1400 54 0.7 G4 G3 4200*2600*3600
WTD-1600N 1600 61.5 0.7 G4 G3 4500*2800*3600

Note: (The following configurations are for general reference in selection. For specific performance indicators, please contact engineering personnel.) 1. When a refrigerated dryer is configured in the front section, increase the air compressor flow by 10%, nitrogen dew point below -30°C;
2. When a refrigerated dryer + adsorption dryer is configured in the front section, increase the air compressor flow by 20%, nitrogen dew point below -40°C;
3. When a refrigerated dryer + adsorption dryer is configured in the front section, increase by 2 model sizes, with the corresponding air compressor flow, nitrogen dew point below -50~-60°C.

Purity 99.5% Series

Model Specifications
Model 		Gas Production
Flow rate
(Nm3/h) 		Air Demand
Demand capacity of air
(Nm3/min) 		Adsorption Pressure
Adsorption
Pressure
(Mpa) 		Air Inlet
Air inlet 		Nitrogen Outlet
Nitrogen outlet 		Equipment Dimensions (mm)
Dimensions
L*W*H
WTW-40N 40 1.8 0.7 G1 G1 1500*1500*2350
WTW-70N 70 3.1 0.7 G1*1/4 G1 1850*1650*2450
WTW-100N 100 4.4 0.7 G1*1/4 G1*1/2 2000*1650*2450
WTW-120N 120 5.2 0.7 G1*1/2 G1*1/2 2200*1850*2500
WTW-140N 140 6.0 0.7 G1*1/2 G1*1/2 2200*1900*2890
WTW-200N 200 8.6 0.7 G1*1/2 G1*1/2 2350*2050*3100
WTW-250N 250 11 0.7 G2 G1*1/2 2350*2050*3250
WTW-300N 300 13 0.7 G2 G1*1/2 2400*1300*3250
WTW-350N 350 15.2 0.7 G2 G2 2500*1400*3200
WTW-450N 450 19.5 0.7 G2 G2 2700*1500*3200
WTW-500N 500 22 0.7 G2*1/2 G2 2700*1500*3250
WTW-550N 550 24 0.7 G2*1/2 G2 2800*1500*3250
WTW-600N 600 26 0.7 G2*1/2 G2*1/2 3000*1600*3300
WTW-650N 650 28.3 0.7 G2*1/2 G2*1/2 3100*2000*3540
WTW-700N 700 31 0.7 G3 G2*1/2 3300*2100*3600
WTW-800N 800 35 0.7 G3 G2*1/2 3500*2200*3600
WTW-1000N 1000 43.5 0.7 G3 G3 3800*2500*3600
WTW-1100N 1100 48 0.7 G4 G3 4000*2500*3600
WTW-1200N 1200 52 0.7 G4 G3 4200*2600*3600
WTW-1400N 1400 61 0.7 G4 G3 4500*2800*3600

Purity 99.9% Series

Model Specifications
Model 		Gas Production
Flow rate
(Nm/h) 		Air Demand
Demand capacity of air
(Nm3/min) 		Adsorption Pressure
Adsorption
Pressure
(Mpa) 		Air Inlet
Air inlet 		Nitrogen Outlet
Nitrogen outlet 		Equipment Dimensions (mm)
Dimensions
L*W*H
WTP-30N 30 1.9 0.7 G1 G1 1500*1500*2350
WTP-50N 50 3.1 0.7 G1*1/4 G1 1850*1650*2450
WTP-70N 70 4.2 0.7 G1*1/4 G1 2000*1650*2450
WTP-90N 90 5.5 0.7 G1*1/2 G1 2200*1850*2500
WTP-110N 110 6.6 0.7 G1*1/2 G1*1/2 2200*1900*2890
WTP-130N 130 7.8 0.7 G1*1/2 G1*1/2 2350*2050*3100
WTP-150N 150 9 0.7 G2 G1*1/2 2350*2050*3250
WTP-200N 200 12 0.7 G2 G1*1/2 2400*1300*3250
WTP-250N 250 15 0.7 G2 G1*1/2 2500*1400*3200
WTP-300N 300 18 0.7 G2 G1*1/2 2700*1500*3200
WTP-350N 350 21 0.7 G2*1/2 G2 2700*1500*3250
WTP-370N 370 22.2 0.7 G2*1/2 G2 2800*1500*3250
WTP-400N 400 24 0.7 G2*1/2 G2 3000*1600*3300
WTP-450N 450 27 0.7 G2*1/2 G2 3100*2000*3540
WTP-500N 500 30 0.7 G3 G2 3300*2100*3600
WTP-600N 600 36 0.7 G3 G2*1/2 3500*2200*3600
WTP-700N 700 42 0.7 G3 G2*1/2 3800*2500*3600
WTP-750N 750 45 0.7 G4 G2*1/2 4000*2500*3600
WTP-800N 800 48 0.7 G4 G2*1/2 4200*2600*3600
WTP-1000N 1000 60 0.7 G4 G2*1/2 4500*2800*3600

Note: (The following configurations are for general reference in selection. For specific performance indicators, please contact engineering personnel.) 1. When a refrigerated dryer is configured in the front section, increase the air compressor flow by 10%, nitrogen dew point below -30°C;

2. When a refrigerated dryer + adsorption dryer is configured in the front section, increase the air compressor flow by 20%, nitrogen dew point below -40°C; 3. When a refrigerated dryer + adsorption dryer is configured in the front section, increase by 2 model sizes, with the corresponding air compressor flow, nitrogen dew point below -50~-60°C.

Purity 99.99% Series

Model Specifications
Model 		Gas Production
Flow rate
(Nm3/h) 		Air Demand
Demand capacity of air
(Nm3/min) 		Adsorption
Pressure
Adsorption
(Mpa) 		Air Inlet
Air inlet 		Nitrogen Outlet
Nitrogen outlet 		Equipment Dimensions (mm)
Dimensions
L*W*H
WTG-20N 20 1.8 0.7 G1 G1 1500*1500*2350
WTG-30N 30 2.7 0.7 G1*1/4 G1 1850*1650*2450
WTG-40N 40 3.6 0.7 G1*1/4 G1 2000*1650*2450
WTG-50N 50 4.5 0.7 G1*1/2 G1 2200*1850*2500
WTG-60N 60 5.3 0.7 G1*1/2 G1 2200*1900*2890
WTG-80N 80 7.0 0.7 G1*1/2 G1 2350*2050*3100
WTG-100N 100 8.8 0.7 G2 G1*1/2 2350*2050*3250
WTG-120N 120 10.6 0.7 G2 G1*1/2 2400*1300*3250
WTG-150N 150 13.5 0.7 G2 G1*1/2 2500*1400*3200
WTG-180N 180 16 0.7 G2 G1*1/2 2700*1500*3200
WTG-200N 200 17.8 0.7 G2*1/2 G1*1/2 2700*1500*3250
WTG-220N 220 19.5 0.7 G2*1/2 G1*1/2 2800*1500*3250
WTG-250N 250 22 0.7 G2*1/2 G1*1/2 3000*1600*3300
WTG-300N 300 27 0.7 G2*1/2 G2 3100*2000*3540
WTG-350N 350 31 0.7 G3 G2 3300*2100*3600
WTG-400N 400 35.5 0.7 G3 G2 3500*2200*3600
WTG-450N 450 40 0.7 G3 G2 3800*2500*3600
WTG-500N 500 44.5 0.7 G4 G2 4000*2500*3600
WTG-550N 550 48.5 0.7 G4 G2*1/2 4200*2600*3600
WTG-600N 600 53 0.7 G4 G2*1/2 4500*2800*3600

Purity 99.999% Series

Model Specifications
Model 		Gas Production
Flow rate
(Nm/h) 		Air demand
Demand capacity of air
(Nm3/min) 		Adsorption pressure
Adsorption
Pressure
(Mpa) 		Air inlet
Air inlet 		Nitrogen outlet
Nitrogen outlet 		Equipment dimensions (mm)
Dimensions
L*W*H
WTV-15N 15 2.7 0.7 G1 G1 1500*1500*2350
WTV-20N 20 3.6 0.7 G1*1/4 G1 1850*1650*2450
WTV-30N 30 4.5 0.7 G1*1/4 G1 2000*1650*2450
WTV-40N 40 5.3 0.7 G1*1/2 G1 2200*1850*2500
WTV-50N 50 7.0 0.7 G1*1/2 G1 2200*1900*2890
WTV-70N 70 8.8 0.7 G1*1/2 G1 2350*2050*3100
WTV-80N 80 10.6 0.7 G2 G1 2350*2050*3250
WTV-100N 100 13.5 0.7 G2 G1 2400*1300*3250
WTV-130N 130 16 0.7 G2*1/2 G1*1/2 2500*1400*3250
WTV-150N 150 17.8 0.7 G2*1/2 G1*1/2 2700*1500*3250
WTV-170N 170 19.5 0.7 G2*1/2 G1*1/2 2700*1500*3250
WTV-200N 200 22 0.7 G2*1/2 G1*1/2G 2800*1500*3250

Note: (The following configuration is for general reference selection. For specific performance indicators, please contact engineering personnel. The above is a one-step method with a displayed purity of 99.99996 and oxygen content of 10ppm ±5)

1. When a refrigerated dryer is configured in the front section, increase the air compressor flow by 10%, nitrogen dew point below -30°C;

2. When a refrigerated dryer + adsorption dryer are configured in the front section, increase the air compressor flow by 20%, nitrogen dew point below -40°C;

3. When a refrigerated dryer + adsorption dryer is configured in the front section, increase by 2 model sizes, with the corresponding air compressor flow, nitrogen dew point below -50~-60°C.

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