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Comparison of 7.5 kW Aquaculture Blowers – Aqua Mina Ceramic Bearing vs. LongTech DN-100

Turbo Blower from Aqua Mina Helps Reduce Electricity Costs

In modern aquaculture aeration systems used for high-density and super-intensive farming, especially in high-tech farms operating continuously 24/7 throughout the year, blower performance and energy consumption are critical factors.

In reality, many farms are still using older generation aeration blowers (often referred to as “Sup Lang”), which consume high electricity, experience rapid efficiency decline over time, and struggle to meet the precise oxygen control requirements of modern aquaculture ponds.

This article provides a direct comparison between the new Aqua Mina Turbo blower technology, including the Ceramic Bearing Turbo models, and the traditional aquaculture blowers commonly used today. The comparison highlights why high-tech shrimp farming blowers can reduce electricity costs by up to 40%, while also improving operational stability and aeration efficiency in shrimp and fish ponds.

  

 

Specifications of “Sup Lang” DN-100 vs. Aqua Mina Turbo Blower 7.5 kW | Ceramic Bearing

With the same nominal power of 7.5 kW, these two aeration blower types show significant differences in airflow performance when operating under typical aquaculture pressure levels.

Performance Comparison Table: DN-100 vs. Aqua Mina Turbo Blower 7.5 kW | Ceramic Bearing

At 25 kPa pressure (equivalent to a working depth of under 1.5 meters), the Aqua Mina ceramic-bearing turbo blower achieves an airflow rate of 13.8 m³/min, while the DN-100 blower produces only 8 m³/min.

This represents a difference of 5.8 m³/min, equivalent to 72.5% higher efficiency.

At 35 kPa pressure (approximately 2.5 meters depth), the Aqua Mina blower still maintains 10.1 m³/min, while the DN-100 delivers 7 m³/min, a difference of 3.1 m³/min, equivalent to 44.3% higher airflow performance.

This clearly shows that turbo aeration technology maintains significantly better efficiency when system pressure increases, which is common in deeper or larger aeration systems.

 

 

LongTech DN-100 Blower Specifications 

 

Why does this difference occur?

Rotational speed:

The Aqua Mina Turbo blower uses ceramic bearings, allowing it to reach extremely high rotational speeds of 18,000 RPM, enabling the system to compress and deliver a much larger volume of air.

Aqua Mina Turbo Blower Specifications | Ceramic Bearing

2. Operating Cost Comparison

 

Turbo Blower 7.5 kW | Aqua Mina Ceramic Bearing vs. LongTech DN-100

When comparing the Aqua Mina 7.5 kW ceramic bearing turbo blower with the traditional LongTech DN-100 blower, the biggest difference lies not in the nominal power rating but in actual electricity consumption and operational cost during farming operations.

Turbo Blower for Aquaculture | Ceramic Bearing

Energy Savings Based on Air Output per kWh (Reference Calculation)

With the same 7.5 kW rated power, the Aqua Mina Turbo blower with ceramic bearings demonstrates a clear advantage in airflow output per kWh of electricity compared to the traditional DN-100 blower.

Operational data at common pressure ranges of 25–35 kPa (equivalent to aeration depths of 1.5–2.5 meters) shows that the airflow of the Aqua Mina Turbo blower is 44.3% to 72.5% higher than that of the DN-100.

This efficiency difference leads to a significant variation in electricity costs in real operation.

Assuming:

Operating time: 24 hours/day

30 days/month

Electricity price: approximately 2,200 VND/kWh

The monthly electricity cost of a 7.5 kW Aqua Mina Turbo blower is approximately 11.8–12 million VND.

Meanwhile, to achieve the same airflow supply for bottom aeration systems, farms using the DN-100 (7.5 kW) often need 2–3 machines or extended operating time. As a result, the total monthly electricity cost typically ranges between 18–22 million VND.

Therefore, when adjusted to deliver the same effective airflow, the 7.5 kW Aqua Mina Turbo blower can save approximately 6–10 million VND per month, equivalent to a 30–45% reduction in electricity costs.

For a typical farming cycle lasting 4–5 months, the total electricity savings may reach 24–50 million VND, excluding additional benefits such as:

fewer machines required

reduced maintenance costs

improved oxygen safety and stability for aquaculture ponds.

Note

This calculation is intended as a reference example illustrating differences in airflow efficiency per kWh. Actual results may vary depending on:

pipeline system design

diffuser layout

operational mode (full load or variable load)

farm management conditions.

To achieve optimal energy efficiency, the blower system should be properly designed and calculated from the beginning of the project.

 

Key Advantages

1. Up to 50% Energy Savings

Powered by a permanent magnet synchronous motor (1.1kW–7.5kW range) with efficiency exceeding 97%, reducing operating costs by up to 50% compared to conventional blowers.

 

2. Smart Control – Vietnamese Interface

The first turbo blower in Vietnam featuring a Vietnamese-language control panel.

Real-time monitoring of pressure, airflow, temperature, power, and frequency.

Supports automatic and manual operation modes for flexible management.

 

3. Lower Initial Investment Cost

Instead of installing 2–3 traditional blowers, farms can achieve higher productivity with just one Aqua Mina Turbo Blower, significantly reducing equipment and maintenance expenses.

4. Quiet Operation

Noise levels controlled between 60–80 dB, much lower than traditional equipment.

Natural air cooling system eliminates the need for additional cooling systems.

5. High-Quality Oxygen Output

Filtered intake air ensures cleaner oxygen supply.

Fine and evenly distributed bubbles increase dissolved oxygen rapidly.

Easy-to-remove and clean air filter system.

 

Need Consultation?

Please provide the following information for quick configuration support:

Province/City

Pond area & depth

Number of ponds and estimated pipeline length

Current electrical supply (1-phase / 3-phase)

Hotline: 1800 6071 (Free of Charge)

Fanpage: /aquamina.com.vn

Zalo: /aquamina

Website: www.aquamina.com.vn | www.thietbinuoitomgiasi.com

 

Aqua Mina is expanding its nationwide distributor network for the Turbo Blower – Aquaculture line.

For dealership cooperation, please contact: +84 936 99 88 29 (Ms. Dung).

AQUA MINA CO., LTD

– Address: 685 Le Duc Anh Street, Quarter 39, Binh Hung Hoa Ward, Ho Chi Minh City

– Phone: 1800 6071 (Toll-free hotline)

– Email: sales@aquamina.com.vn or oversea@aquamina.com.vn

– Aqua Mina’s Official Distributor in Japan: REX INDUSTRIES CO., LTD

– Address: 1-9-3 Hishiya-Higashi, Higashi-Osaka 578-0948, JAPAN

– Email: kimakubo@rexind.co.jp

– Phone: +81-(0)72-961-9893

– Website: www.rexind.co.jp/e/

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