Heat Pipe Heat Exchanger Factory and Supplier

The core of a heat pipe heat exchanger is its internally evacuated heat pipe, whose heat transfer process occurs in three steps:

Evaporation Section (Heat Absorption): One end of the heat pipe contacts the heat source. The working fluid inside (such as ammonia, water, or acetone) evaporates into vapor when heated, absorbing a large amount of heat.

Vapor Flow: Driven by the pressure difference within the pipe, the vapor rapidly flows toward the cooler end.

Condensation Section (Heat Release): The vapor condenses into liquid at the cold end, releasing heat that is transferred through the tube wall to the heat sink. The condensed liquid then flows back to the evaporation section via capillary action through the wick inside the tube, completing the cycle.

Core Advantages

High-Efficiency Heat Transfer: Leveraging phase change of the working fluid, its thermal conductivity is hundreds of times that of copper, enabling substantial heat transfer with minimal temperature difference.

Flexible Structure: Can be designed into various shapes to fit spatial requirements. Damage to a single heat pipe does not affect overall operation, resulting in low maintenance costs.

Precise Temperature Control: The evaporation section maintains a nearly constant temperature, preventing localized overheating at the heat source. This makes it particularly suitable for cooling electronic components.

Considerations

Working Fluid Matching: Select an appropriate working fluid based on operating temperature. For example, acetone is used in low-temperature scenarios, water in medium-temperature scenarios, and sodium or potassium in high-temperature scenarios.

Installation Angle: Heat pipes rely on capillary force for liquid return. A specific installation angle must be maintained (typically with the evaporation section lower than the condensation section) to ensure proper liquid flow.

Dust Accumulation: The gas side is prone to dust buildup. Regular cleaning of fins is required during long-term operation to prevent reduced heat transfer efficiency.