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.

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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.

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