NEWTEK PSA Oxygen Generators For Aquaculture & Fish Farming
One-year free quality assurance
Free on-site installation
Free training on operating knowledge
Free quotation and solution
►Efficient oxygenation and water quality optimization: PSA oxygen generators use molecular sieve technology to separate oxygen from the air and can produce oxygen with a purity of more than 93%. In fish farming, high-purity oxygen is evenly released into the water through a diffuse oxygen supply system, significantly increasing the amount of dissolved oxygen and meeting the needs of high-density farming.
►Intelligent regulation and automated management:When the sensor detects that the dissolved oxygen is lower than the threshold, the oxygen production is automatically started and stopped after reaching the set value, which reduces both power consumption and manual intervention.
►Energy saving and cost reduction and environmental protection advantages: PSA oxygen generators only need electricity to drive air compression, and the operating cost is mainly electricity consumption, saving more than 30% of energy.There is no risk of liquid oxygen storage during equipment operation, which meets the requirements of green farming.
►Flexible deployment and convenient maintenance: The equipment occupies a small area, suitable for flexible installation in small and medium-sized farms, and reduces infrastructure investment. With modular design, key components can be quickly replaced, and downtime is short.
Newtek aquaculture fish farming psa oxygen generator
Model Selection |
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No. |
Models |
Capacity (Nm3/hr) |
Purity |
Power consumption of 1Nm3 oxygen produced (kw/h) |
Number of bottles filled in 12 hours (pcs) |
Operator needed |
| 1 | NTK-5P | 5 | 93%+-3% | 3.54 | 10 | 2 |
| 2 | NTK-10P | 10 | 93%+-3% | 2.52 | 20 | 2 |
| 3 | NTK-15P | 15 | 93%+-3% | 2.31 | 30 | 2 |
| 4 | NTK-20P | 20 | 93%+-3% | 2.13 | 40 | 2 |
| 5 | NTK-25P | 25 | 93%+-3% | 2.01 | 50 | 2 |
| 6 | NTK-30P | 30 | 93%+-3% | 2.09 | 60 | 2 |
| 7 | NTK-40P | 40 | 93%+-3% | 1.81 | 80 | 2 |
| 8 | NTK-50P | 50 | 93%+-3% | 1.94 | 100 | 2 |
| 9 | NTK-60P | 60 | 93%+-3% | 1.62 | 120 | 2 |
| 10 | NTK-80P | 80 | 93%+-3% | 1.92 | 160 | 2 |
| 11 | NTK-100P | 100 | 93%+-3% | 1.83 | 200 | 2 |
| Design basis: Altitude：≤500m;RH：≤80%;Temperature：0℃-38℃;Filling pressure: 150Bar 40L Type Standard Cylinder | ||||||
FAQ
Q: Compared with traditional oxygenation methods (such as liquid oxygen and oxygen cylinders), what are the advantages of PSA oxygen generators?
A: Low cost: The raw material is air, and there is no need to frequently replace oxygen cylinders or liquid oxygen tanks, only electricity consumption is required.
Flexible and efficient: It can be started and stopped at any time, and the oxygen production speed is fast to meet the sudden oxygenation needs.
Intelligent management: It can be connected to dissolved oxygen monitoring equipment to automatically adjust the oxygen supply and reduce manual intervention.
Versatility: It can be equipped with an ozone machine to purify water quality and solve the problem of tail water sterilization18.
Q: Which aquaculture scenarios are suitable for PSA oxygen generators?
A: High value-added varieties: such as salmon, cod, South American shrimp, grouper, crabs, etc., which require high-density farming and are sensitive to dissolved oxygen.
Small and medium-sized farming: Equipment investment and maintenance costs are lower than liquid oxygen systems, suitable for farmers with limited funds.
Circulating water aquaculture system: A stable dissolved oxygen environment is required, and intelligent monitoring equipment can be used to optimize water quality.
Q: How to control the oxygen supply? Will it cause waste?
A:PSA oxygen generators are usually equipped with dissolved oxygen sensors and automatic control systems to monitor the dissolved oxygen value of water in real time and start and stop the equipment as needed. For example, it will automatically start when the dissolved oxygen is lower than 4mg/L and shut down when it reaches 6mg/L, which not only guarantees demand but also saves electricity.
Q: What is the maintenance cost and operation difficulty of the equipment?
A: Simple maintenance: The main consumable parts are molecular sieves (lifespan is about 5-10 years), and only the filter needs to be cleaned daily.
Low failure rate: Full pneumatic control structure, no complicated operation required, and remote monitoring supported.
Power consumption is the main factor: 1 kWh of electricity can produce about 3.6 kg of oxygen, which is more economical than traditional methods.
Q: Possible faults and solutions
A: Decreased oxygen purity: The molecular sieve is aged or contaminated and needs to be replaced or regenerated.
Insufficient oxygen output: Check the air compressor pressure, pipeline blockage or sensor failure.
Abnormal noise: The air inlet is blocked or the mechanical parts are worn, which need to be cleaned or replaced.
Q: What are the water quality requirements for PSA oxygen generators?
A: The equipment itself has no special requirements for water quality, but it is recommended to use filtered water when supporting ozone sterilization to avoid impurities clogging the microporous aeration tube.
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