Ambient Oxygen Generator

Short Description:

There are VPSA and PSA models, similar principle. Here will mainly introduce VPSA oxygen generator. It is a kind of mechanical equipment that can enrich oxygen in the atmosphere, and its working principle is to use a blower to transport the raw material air after dust removal and filtration into the absorber, and then the special molecular sieve in the absorber begins to adsorb the nitrogen component, and the oxygen component is enriched and discharged as a product.

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What’s the Ambient Oxygen Generator ?

After a period of time, it is necessary to desorb and regenerate saturated adsorbents under vacuum conditions, so in order to ensure continuous production and oxygen supply, more than two absorbers are generally configured. While one is during adsorption period, the other is in desorption for regeneration, cyclically switching.

What is the VPSA &PSA Oxygen Generator Used For?

The VPSA&PSA Oxygen Generator can be used for below services, such as:

Steel Industry

Non-ferrous Metals Industry

Chemical Industry

Defense

Steel industry: High-purity oxygen blown into the converter oxidizes impurities such as carbon, sulfur, phosphorus and silicon in iron, which can shorten the smelting time and improve the quality of steel.

Non-ferrous metals industry: Smelting steel, zinc, nickel, lead, etc. require oxygen-enriched, and the pressure swing adsorption oxygen system is the best oxygen supply source.

Chemical industry: The use of oxygen in the production of fertilizer from ammonia can enhance the process and increase fertilizer yield.

Energy industry: Coal gasification co-generation & Coal gasification industry.

Defense: Liquid oxygen can be used as a fuel booster for rockets and supersonic aircraft, and combustibles soaked in liquid oxygen can be used as explosives.

Model Selection

Model	Dimension（LWH）	Outlet Pressure(barg)	Oxygen Purity**	Oxygen Flowrate Nm³/h(0℃)	Power Consumption(kW)*	Weight(T)
LFGO90-11	3.02.02.4	0~5	92±2%	11	12±5%	3.6
LFGO90-23	4.52.22.8	0~5	92±2%	23	24±5%	5.4
LFGO90-35	6.02.43.0	0~3	92±2%	35	33±5%	7.5
LFVGO90-53	7.52.23.3	0~1.5	92±2%	53	21±5%	9.0
LFVGO90-105	9.52.43.3	0~1.5	92±2%	105	38±5%	13.5
LFVGO90-210	13.52.83.5	0~1.5	92±2%	210	77±5%	21

Note : * The unit only consumes electricity, does not need cooling water, and the power consumption data is based on the test values under ambient atmospheric pressure 100KPaA and temperature and humidity 20°C/65%.

** The components other than oxygen are mainly inert gases (nitrogen, argon), and the water content is not more than 3ppm(v)

Taking LFVGO105 as an example, the payback period analysis is shown in the table below,

(Assuming that the market price of liquid oxygen is 1000 RMB(¥)/ton and the unit electricity supply price is 0.8 yuan /kwh, the payback period of Shanghai Lianfeng ambient oxygen supply module LFVGO105 is 1.91 years)

Payback Period（Year）

LFVGO105		Electricity Supply Price（RMB(¥)/KWh）
LFVGO105		0.6	0.7	0.8	0.9	1	1.1	1.2	1.3
LOX Price RMB(¥)/T	800	2.35	2.46	2.59	2.73	2.89	3.07	3.28	3.51
	900	2.02	2.11	2.20	2.30	2.42	2.54	2.68	2.83
	1000	1.78	1.84	1.91	1.99	2.07	2.16	2.26	2.37
	1100	1.58	1.64	1.69	1.75	1.82	1.88	1.96	2.04
	1200	1.43	1.47	1.52	1.56	1.61	1.67	1.73	1.79
	1300	1.30	1.34	1.37	1.41	1.45	1.50	1.54	1.59
	1400	1.19	1.22	1.26	1.29	1.32	1.36	1.40	1.44
	1500	1.10	1.13	1.16	1.18	1.21	1.24	1.28	1.31

The Advantages of VPSA&PSA Oxygen Generator

1. Oxygen supply design by the principle of high quality and high stability ensures the annual operating rate of the equipment is 98%;

2. No need shelter workshop, unattended, which greatly reduces infrastructure investment and its related project approval, fire protection approval and other administrative approvals and procedures.

3. Fully automatic operation, one-button start and stop. Remote IoT monitoring platform technical service is an option.

4. Equipped high-quality and reliable imported switching valves, high-quality ultra-high energy-efficiency rotating equipment, greatly lower oxygen unit power consumption;

5. High-quality, energy-saving, customized, low-attenuation, high-temperature proof and stable imported molecular sieve, guarantee 10-year service lifespan.

6. LFVGO vacuum pressure swing adsorption process, equips screw blower, no need vacuum pump to soften water, high energy-saving efficiency, lower noise.

7. Unique oxygen-efficient and energy-saving compact air cooler design.

8. Liquid oxygen backup provides automatic switching protection.

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