Heat Pipe
- High heat recovery efficiency for rapid payback
- No operating costs
- No external power requirements
- Wide selection of custom made model for different applications
- No moving parts for virtually maintenance
- Easily cleaned, due to integral fin construction
- Fin tube design minimizing the effects of metal expansion
- Physical seperation of air stream preventing cross contamination
- Various coating available to protect the unit against a variety of exhaust air conditions
- Temperature capability up to 450oF
- Software is available for easy selection and design characteristics
What is a THERMOGAIN heat pipe?
The Thermogain heat pipe is a self-contained, self-maintaining passive energy recovery device. It has a very high coefficient of thermal transfer utilizing vapor liquid flows. What's more amazing is that heat pipes have no moving parts, require no external energy (other than the heat they transfer), they are reversible in operation and are completely silent. Like any other piece of tubing or pipe, they are rugged and can withstand a lot of abuse.
A heat pipe consists of three elements; a sealed container, a capilary wick structure. Because the container is vacuum sealed, the working fluid is in equilibrium with its own vapor. Heating any part of the external surface, causes instantaneous evaporation of the working fluid near that surface (the evaporator region) with the latent heat of vaporization absorbed by the vapor formed. The rapid generation of vapor at any point on the tube wall area creats a pressure gradient within the heat pipe which forces the excess vapor to a remote area of the pipe having a lower pressure and temperature. Here the vapor condenses on the tube wall and the latent heat of vaporization is transferred (the condensor region).
Heat is removed from the surface at the point of condensation by conduction, convection or radiation. A continuous process is established by the capilary pumping forces within the wick structure, thus returning the fluid to the evaporator section, In effect, we have a perpetual motion machine with no moving parts and requiring no evergy of its own. Each heat pipe has a transfer efficiency of 99.3%
| HAVC heat recovery application The Thermogain heat exchanger installed in a ventilation system recovers the heat from the stale outgoing air and transfers it to the fresh incoming air . It is simply, yet effective way of providing continuous fresh air in the building throughout the winter and summer. |
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| Industrial heat recovery applications
Because industrial applications have higher exhaust temperatures, they waste more heat and thus have greater waste heat recovery value. In addition of having higher exhaust temperatures, many industrial applications are in operation 24 hours a day, 7 days a week. It is for these reasons that Thermogain has designed recovery units to meet these requirements. Thermogain industrial heat pipe exchanger are designed to operate in exhaust applications up to 450oF (232oC), and because they are available with an Heresite coating they can operate in otherwise corrosive environments. |
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Return to process heat recovery Heat from the exhaust is recovered and returned as preheated air to the process (oven, dryer, etc.) Recovered heat from one process is returned to another process or heating system. It is sometimes possible to completely heat a second process with the recovered heat from the first and totally eliminating power source. |
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Dimension Data
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