What is 2D Heat Pipe?
The DTDX 2D heat pipe is a thermosiphon heat pipe, commonly known as a gravity heat pipe. It is a high-efficiency heat transfer device based on the principle of phase change heat transfer. Its core realizes directional heat transfer through the evaporation-condensation cycle of the working fluid and gravity drive. It is usually composed of a sealed shell, working fluid and internal gas phase space, with no capillary wick required. The liquid working fluid automatically flows back by gravity to achieve self-sustaining heat transfer, and is mainly used for industrial energy conservation.
Working Process of 2D Heat Pipe
1
Heat absorption in the evaporation section: When the hot end is heated, the liquid working fluid absorbs heat and vaporizes to form high-pressure vapor.
2
Vapor transmission: Vapor rapidly flows to the cold end under the action of pressure difference.
3
Heat release in the condensation section: Vapor releases latent heat and condenses into liquid at the cold end.
4
Gravity reflux: The liquid working fluid flows back to the evaporation section along the tube wall under the action of gravity, completing the cycle.
Core Advantages of 2D Heat Pipe
High thermal conductivity efficiency
The equivalent thermal conductivity of phase change heat transfer can reach more than 1,000 times that of copper (10⁴-10⁵ W/m·K).
Zero energy consumption operation
No mechanical pumps or fans, relying entirely on natural circulation.
Simple and reliable structure
No moving parts, with shock resistance, long service life and stable operation.
Strong adaptability
It can be designed into various forms such as straight tube, L-type and loop type to match complex space requirements.
Diverse working media
A wide range of working media can be used for the heat pipe, and different working media are suitable for different temperature ranges.
High isothermality
A heat pipe transfers heat with exceptional efficiency, requiring only a 1–2°C temperature difference between the evaporation and condensation sections. This results in a nearly uniform temperature distribution throughout the pipe.
Variable heat flux density
A heat pipe automatically adjusts its heat transfer capacity to match the heat load. As heat generation increases, more working fluid evaporates and transfers more heat, ensuring efficient cooling under different operating conditions.
Thermal diode characteristic
A 2D heat pipe with thermal diode characteristics allows heat to flow in only one direction. This design prevents heat backflow, helping maintain efficient thermal management and stable equipment operation.
2D Thermosyphon Heat Pipe Heat Exchanger Projects
Typical Application Fields
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Industry |
Application Scenarios |
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Industrial Waste Heat Recovery |
– Waste heat recovery from flue gas of boilers and kilns (iron and steel, chemical engineering, building materials) |
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New Energy and Energy Storage |
– Development of medium and deep geothermal energy (ultra-long heat pipe technology) |
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Architecture and HVAC |
– Waste heat recovery of fresh air systems (hotels, office buildings) – Central HVAC Terminal Exhaust System (large restaurant, swimming pool, hospital, etc.) |
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Environmental Protection and Chemical Engineering |
– Waste heat recovery from chemical tail gas (corrosion-resistant material heat pipes) |
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Special Environmental Engineering |
– Subgrade cooling in permafrost regions (Qinghai-Tibet Railway, etc.) |
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Other Innovative Applications |
– Fluidized bed-heat pipe coupled reactor (coal chemical industry) |
Service Support
1
Customized design
Provide customized materials, row numbers and structures according to working condition requirements.
2
Technical consulting
Professional team assists in type selection and system optimization.
