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70Nm³/h 95% Purity Fully Automatic PSA Oxygen Generator Plant for Aquaculture

China 70Nm³/h 95% Purity Fully Automatic PSA Oxygen Generator Plant for Aquaculture

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70Nm³/h 95% Purity Fully Automatic PSA Oxygen Generator Plant for Aquaculture

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Payment Terms	MoneyGram,Western Union,T/T,D/P,D/A,L/C
Packaging Details	Wooden Box / Outer shell packaging
Noise Level	<65 dB
Capaicty	1-50Nm3/h Psa Oxygen Generator
Material	Carbon steel
Oxygen Purity	90-95%
Local Service Location	None
Purity	93+/-3%
Nitrogen Output	130Nm3/hr
Motor Power	75kw
Dimensions	Varies by model, e.g., 2000x1500x1800 mm
Operation	Fully automatic
Dimension	245x181x365(mm)
Colling Way	Air-cooling， Water-cooling
Brand Name	GNEE
Certification	SGS
Place of Origin	CHINA

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Product Details
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Product Specification


Payment Terms	MoneyGram,Western Union,T/T,D/P,D/A,L/C	Packaging Details	Wooden Box / Outer shell packaging
Noise Level	<65 dB	Capaicty	1-50Nm3/h Psa Oxygen Generator
Material	Carbon steel	Oxygen Purity	90-95%
Local Service Location	None	Purity	93+/-3%
Nitrogen Output	130Nm3/hr	Motor Power	75kw
Dimensions	Varies by model, e.g., 2000x1500x1800 mm	Operation	Fully automatic
Dimension	245x181x365(mm)	Colling Way	Air-cooling， Water-cooling
Brand Name	GNEE	Certification	SGS
Place of Origin	CHINA
High Light	70Nm³/h PSA Oxygen Generator ，95% Purity PSA Oxygen Plant ，Fully Automatic Industrial Oxygen Generator

Product Description

Dissolved oxygen (DO) is a lifeline for aquaculture—insufficient oxygen leads to fish and shrimp hypoxia, reduced growth rates, and even large-scale mortality, directly impacting breeding benefits. The psa oxygen generator (Pressure Swing Adsorption Oxygen Generator), a core type of Industrial Oxygen Generator, operates on psa technology for oxygen generation to physically separate oxygen from air using high-performance molecular sieves, producing 95% pure oxygen without chemical additives. Compared with traditional oxygenation methods (impeller aerators, oxygen bombs), it delivers higher oxygen transfer efficiency, stable DO levels, and lower labor costs. This 70Nm³/h model, optimized for aquaculture scenarios, balances output, energy consumption, and environmental adaptability, making it ideal for large-scale fish ponds, recirculating aquaculture systems (RAS), and shrimp breeding bases.

Core Parameter

Gas production m³/h	Oxygen concentration%	Oxygen pressure Mpa	Power 220V Power/kw	Host weight/kg	Dimensions/mm	Air loss factor	Number of bottles per day 40L/120-150kg
3	93±3	0.4±0.1	0.2	600	15009001500	13.5	12-15
5	93±3	0.4±0.1	0.2	900	16009001500	13.5	20-24
10	93±3	0.4±0.1	0.2	1200	16009001900	13.5	40-48
20	93±3	0.4±0.1	0.2	1500	190010002180	13.5	80-96
30	93±3	0.4±0.1	0.2	2000	200011002180	13.5	120-154
40	93±3	0.4±0.1	0.2	2500	260012002300	13.5	160-192
50	93±3	0.4±0.1	0.5	2800	180015002400+800	13.5	200-240
60	93±3	0.4±0.1	0.5	3200	180015002600+800	13.5	240-184
70	93±3	0.4±0.1	0.5	3500	180016002800+800	13.5	280-236
80	93±3	0.4±0.1	0.5	4000	180016002900+1000	13.5	320-394
90	93±3	0.4±0.1	0.5	4800	200016002800+1000	13.5	360-432
100	93±3	0.4±0.1	0.5	5800	220016002900+1000	13.5	400-480
120	93±3	0.4±0.1	0.5	6500	240016003100+1000	13.5	480-576

psa oxygen plant working Principle and Aquaculture-Oriented Optimization

The psa oxygen plant working principle relies on cyclic adsorption and regeneration of molecular sieves:

Air purification: Ambient air is filtered through a three-stage system (dust removal, dehumidification, oil removal) to remove impurities harmful to molecular sieves—critical for humid aquaculture environments.
Pressure adsorption: Purified air enters dual adsorption towers at 0.6MPa; molecular sieves selectively adsorb nitrogen, leaving 95% pure oxygen stored in a buffer tank.
Oxygen supply: Oxygen is pressurized to 0.3MPa and delivered to aeration devices, converting into micro-nano bubbles for efficient dissolution.
Regeneration: Saturated molecular sieves are depressurized to release nitrogen, regenerating for reuse—no chemical waste, ensuring aquaculture water safety.

Aquaculture-specific optimizations include: a corrosion-resistant 304 stainless steel body (to withstand pond water splashes), a mobile crawler base (for transfer between ponds), and a rainproof control cabinet (protecting electrical components in open-air environments).

psa oxygen generator vs. vsa oxygen generator: Which Is Better for Aquaculture?

Both belong to pressure swing adsorption oxygen plant technology, but their aquaculture applicability differs:

psa oxygen generator: Advantages include compact size, fast start-up, and low maintenance—ideal for medium-scale farms (50-100 acres) with fluctuating oxygen demand. The 70Nm³/h model’s frequency conversion design reduces energy use during low-demand periods (e.g., daytime with high photosynthesis).
vsa oxygen generator (Vacuum Swing Adsorption): Uses vacuum regeneration for lower energy consumption (≤0.4kWh/Nm³ O₂) but has larger size, higher initial investment ($35,000-$45,000), and longer start-up time (≥10 minutes). It suits super-large farms (≥200 acres) with stable, high oxygen demand—overkill for most medium-scale operations.
Key tradeoff: For 80% of aquaculture scenarios, the PSA plant’s balance of cost, flexibility, and efficiency makes it more practical than VSA.

Environmental and Policy Advantages of pressure swing adsorption oxygen plant in Aquaculture

With global emphasis on green aquaculture, pressure swing adsorption oxygen plant aligns with sustainable development goals:

Energy efficiency: The 70Nm³/h PSA plant reduces carbon emissions by ~20 tons/year vs. traditional aerators, complying with low-carbon aquaculture policies.
Water quality protection: High oxygen transfer efficiency reduces organic matter accumulation in pond bottoms, lowering ammonia and nitrite levels—avoiding water pollution and reducing the need for chemical water conditioners.
Policy support: In many regions, aquaculture projects using energy-efficient oxygenation equipment qualify for subsidies (e.g., 10%-15% of equipment cost), further reducing enterprise burdens.

Conclusion

The 70Nm³/h 95% purity PSA Oxygen Generation Plant revolutionizes aquaculture oxygenation by combining psa technology for oxygen generation with aquaculture-specific design. Its high oxygen transfer efficiency, low energy consumption, and stable performance solve the core pain points of large-scale breeding, while its psa oxygen plant cost advantage delivers significant long-term savings. Compared with vsa oxygen generator and traditional methods, it better balances practicality and economy for most aquaculture scenarios. For breeders aiming to improve survival rates, reduce costs, and comply with green policies, this PSA plant is a reliable, future-oriented investment—laying a solid foundation for efficient, sustainable aquaculture development.

Email: info@gneeheatex.com
Whatsapp (WeChat): +86 15824687445

Company Details

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Business Type:

Manufacturer,Trading Company 
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Year Established:

2012 
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Total Annual:

100000-200000
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Employee Number:

100~150 
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As a professional pressure vessel enterprise,Henan Gnee New Materials Co., Ltd. has been involved in the pressure vessel industry since 2012. Our company can provide products such as large cryogenic storage tanks and LPG series containers. At the beginning of the company's establishment, it purchase... As a professional pressure vessel enterprise,Henan Gnee New Materials Co., Ltd. has been involved in the pressure vessel industry since 2012. Our company can provide products such as large cryogenic storage tanks and LPG series containers. At the beginning of the company's establishment, it purchase...

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