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High-Efficiency Geothermal Plate Heat Exchanger

Geothermal plate heat exchanger is an energy-efficient thermal transfer equipment exclusively developed for geothermal energy exploitation. Its core function lies in transferring heat between geothermal brine of varying temperatures and secondary working fluids such as heating water and process water, adjusting fluid temperature to meet end-user or industrial process standards while greatly boosting overall energy efficiency.

 

As indispensable core equipment for geothermal resource development, this unit acts as a critical connection between underground geothermal heat sources and terminal energy consumption systems. It serves as a vital medium for high-efficiency conversion of renewable energy and is widely deployed in space heating, industrial thermal processes and domestic hot water supply projects.

Key Features

  • Superior Heat Transfer Efficiency: Corrugated plate geometry triggers intense turbulent flow inside flow channels, drastically lifting overall heat transfer coefficient and cutting redundant energy loss during geothermal heat exchange cycles.

 

  • Ultra-Compact Space-Saving Structure: Stacked plate design minimizes overall footprint. Mini residential models are comparable to microwave ovens in size for household villa installation, while large industrial units deliver massive heat exchange capacity within limited mechanical room space, perfectly fitting compact equipment rooms, private villas and other space-restricted scenarios.

 

  • Convenient Disassembly & Low-Cost Maintenance: Full detachable structure integrated with pressure bearing supports and screw tightening mechanisms enables fast, labor-free disassembly for routine descaling and deep cleaning. Selected models adopt symmetrical double stud clamping structure to distribute pressure evenly, eliminating the need to fully disconnect the whole pipeline system during maintenance.

 

  • Long Service Life with Outstanding Corrosion Resistance: Heat transfer plates are manufactured from anti-corrosion materials including 316L stainless steel and titanium alloy. Sealing gaskets are made of imported high-performance elastomers, offering strong resistance against corrosive substances such as mineral deposits and chloride ions naturally contained in geothermal fluid, extending the equipment’s service cycle significantly.

 

  • Wide Working Condition Compatibility & Excellent Energy Saving Performance: Heat exchange area, plate material and flow circuit layout can be customized by adjusting plate quantity to cover applications ranging from single-family villas to large geothermal power plants. No moving internal components guarantee quiet operation and lower power consumption of circulating pumps, effectively reducing carbon emissions and environmental footprint.

 

  • Stable Operation & High Safety Standards: Every unit undergoes hydraulic pressure testing exceeding rated design pressure before delivery to guarantee stable working pressure. Multiple product lines hold authoritative certifications including UL, CE and AHRI. All plates go through high-pressure vacuum brazing and helium leak detection procedures to achieve fully tight sealing with zero medium leakage risks.

Technical Specifications

  • Maximum Design Pressure: 30 bar

  • Design Temperature: ≤180℃ (temperature limit varies by gasket material)

    • FKM/Viton gasket: Maximum working temperature 180℃

    • EPDM gasket: Operating range -50℃ ~ 150℃

Application Industries

  • Building Heating & Domestic Hot Water: Underfloor heating and radiator heating for villas and residential buildings; air handler heat exchange for office towers and commercial complexes; constant-temperature domestic hot water supply for hotels and apartment communities.
     

  • Industrial Production: Geothermal power stations: heat conversion between geothermal brine and secondary circulating fluid, stable operation under high-temperature and high-pressure geothermal working conditions.
     

  • Special Scenario Applications: Constant-temperature swimming pool systems: titanium plates withstand high-chloride pool water to realize precise water temperature regulation without corrosion damage.
     

  • Renewable Energy Hybrid Systems: Compatible with solar thermal systems and ground source heat pumps for underfloor heating, road snow melting and beer cooling processes. Multi-heat-source compatible design isolates media of different pressure and water quality levels for wall-hung boiler and multi-terminal underfloor heating systems.

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