Zero Operating Cost Heat Recovery
The Mine Return Air Heat Exchanger is installed directly in the mine return air tunnel. It adopts an air-to-air heat pipe exchange system to transfer thermal energy from return air to intake air.
The unit has no moving parts and does not require any electrical power to operate. As a result, the operating cost is zero.
With anti-clogging and anti-corrosion design, the system is well-suited for harsh mining environments. The equipment is one of the most economical solutions for mine ventilation heat recovery.
Good Heat Exchange Efficiency
This system uses a heat pipe air-to-air exchanger structure.
Key performance parameters include:
- Heat exchange efficiency: 60% – 80%
- Air volume range: 10,000 – 200,000 m³/h
- Air-side resistance: ≤150 Pa
- Operating temperature range: -30°C to 80°C
- Heat pipe material: Copper-aluminum composite
- Design life: ≥15 years
The Mine Return Air Heat Exchanger provides long-term, stable performance with minimal maintenance requirements.
Key Advantages and No Maintenance Design
The primary advantage of this system is its completely passive operation. It requires no power supply, no fans, and no motors. Once installed, it operates continuously without active maintenance.
The heat pipe design ensures efficient thermal transfer, while keeping the hot and cold air streams fully separated to prevent cross-contamination.
We have been specializing in mining heat exchange technology since 1996 and have completed multiple return air waste heat recovery projects for coal mines. The system design is mature and proven in long-term industrial use.
For mines seeking the simplest and lowest-cost solution for return air heat recovery, the Mine Return Air Heat Exchanger is an ideal choice.
Technical Data
|
Item |
Parameter |
|
Exchange Type |
Air-to-Air Heat Pipe Exchanger |
|
Exchange Efficiency |
60% – 80% |
|
Air Volume |
10,000 – 200,000 m³/h |
|
Air Side Resistance |
≤150 Pa |
|
Heat Pipe Working Temperature |
-30°C – 80°C |
|
Heat Pipe Material |
Copper-Aluminum Composite |
|
Design Life |
≥15 Years |
Warranty and Support
- This heat exchanger is covered by a 12-month warranty.
- Due to its no-moving-parts design, the system requires virtually no routine maintenance.
- We support fully customized design based on mine return air tunnel dimensions and airflow requirements.
- Our engineering team responds within 24 hours. With over 25 years of experience since 1996, we provide mature and reliable heat pipe exchange solutions with proven field performance.
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