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Environmental protection and energy saving PSA Nitrogen Generator

Short Description:

Nitrogen generator based on clean compressed air, carbon molecular sieves is absorbent, take PSA(pressure swing adsorption) principle make Nitrogen under the normal temperature.


Product Detail

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The working principle of

SCMT series nitrogen making machine is based on the pressure change adsorption principle, using high-quality carbon molecular sieve as adsorbent, under a certain pressure, nitrogen from the air, after purification and dry compressed air, pressure adsorption in the adsorbent, decompression desorption.Due to the aerodynamic effect, the diffusion rate of oxygen in the micropores of the carbon molecular sieve is much higher than that of nitrogen. Oxygen is preferentially adsorbed by the carbon molecular sieve, and nitrogen is enriched in the gas phase to form the finished nitrogen.Then, oxygen and other impurities are desorbed by vacuum – reducing adsorbent to achieve regeneration.The equipment is set up in the system of three adsorption towers, including two towers adsorption nitrogen production, one tower desorption regeneration, on the basis of the two towers pressure swing adsorption, according to the best adsorption performance of molecular sieve, adsorption time is constant, shorten the regeneration time to achieve.

微信图片_20211110161504

 

Product features

Compressed air is equipped with air purification and drying equipment.Clean and dry air ensures the long-term use of molecular sieve.

Reasonable structure design of special air diffusion device, to avoid the high speed impact of air flow caused by molecular sieve powder phenomenon.

Using pneumatic stop valve short opening time, long service life, can meet the long-term continuous use.

Scientific process design, two tower adsorption one tower regeneration way to make the utilization rate of molecular sieve from the conventional two-tower structure of 50% to more than 60%.

Compared with the same gas production tower equipment, the volume of the tower is reduced, that is, the gas production capacity of PSA nitrogen production equipment is increased.

PLC control technology, and can be adjusted according to the purity of nitrogen, and the reserved interface can be remote control with computer.

The internal balance automatic pressing system and unique molecular sieve filling technology are adopted to improve the reliability of the whole machine in long-term operation.

PSA N2 – A generator (Purity 99.99% N2)

Model N2 flow N2 purity N2 outlet pressure Motor power of matching screw air compressor Air consumption Inlet and outlet pipe dia
m3/h % bar kW / 7bar ≥ m3/min mm
SCMT-5A 5 99.99% 3-6 (inlet compressed air at 7bar) 7.5 0.39 DN16 DN15
SCMT-8A 8 7.5 0.62 DN25 DN15
SCMT-12A 12 7.5 0.93 DN26 DN25
SCMT-20A 20 11 1.54 DN25 DN25
SCMT-30A 30 15 2.32 DN32 DN25
SCMT-40A 40 18 3.09 DN40 DN25
SCMT-60A 60 30 4.63 DN40 DN40
SCMT-80A 80 37 6.17 DN50 ON40
SCMT-100A 100 55 7.72 DN50 DN40
SCMT-120A 120 55 9.26 DN50 DN50
SCMT-140A 140 75 10.80 DN50 DN50
SCMT-160A 160 75 12.30 DN65 DN50
SCMT-180A 180 90 13.90 DN65 DN50
SCMT-200A 200 90 15.40 DN65 DN50
SCMT-250A 250 110 19.30 DN85 DN50
SCMT-300A 300 132 23.20 DN80 DN59
SCMT-350A 350 160 27.00 DN8O ON50
SCMT-400A 400 185 30.90 DN100 DN50
SCMT-450A 450 220 34.70 DN100 DN50
SCMT-500A 500 250 38.60 DN100 DN50
SCMT-550A 550 200 2-stages compression 42.40 DN100 0N50
SCMT-600A 600 220 2-stages compression 46.30 DN100 DN50
SCMT-650A 650 315 50.20 DN125 DN50
SCMT-700A 700 250 2-stages compression 54.00 DN125 DN65

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