Therminol - São Paulo - SP
About Therminol
The heater may be electrical, fuel-oil, or gas-fired and is the most critical component in designing a heat transfer system for use with Therminol fluids. With the proper balance of heating capacity, temperatures, and fluid velocity, the service life of the heat transfer fluid is increased to an optimum level. Another important factor for good life is that systems must be protected from contamination by foreign materials.
Two basic designs of fired heaters for use with Therminol fluids are liquid tubes and fired tubes. In liquid-tube heaters, the heat transfer fluid is pumped through the tubes as it is heated. The hot gases pass outside the tubes. In fired-tube heaters, the fluid flows through the heater shell with hot gases passing through the tubes.
When bulk fluid temperatures higher than about 240°C (460°F) are required, a liquid-tube heater must be used unless a specific heater design is devised to force a uniformly steady turbulent flow of liquid over the fired-tube surfaces.
Most Therminol fluids are liquid when transferring heat. To avoid hot spots in the heater, the fluid should be pumped over or through the heating surfaces at sufficient velocity so that no area of fluid stagnation occurs. Since heating is not perfectly uniform in fired-tube heaters, the maximum heat stress conditions must be calculated to determine what film temperatures will be encountered.
Fluid velocities over heat transfer surfaces must be relatively high to develop turbulent flow. This helps to avoid excessive film temperatures that may be detrimental to heat transfer surfaces and the fluid. The heater manufacturer should be consulted for the required flow velocities.
Contact Therminol
| Address : | Therminol - Rua Alexandre Dumas, 1711 - Santo Amaro, São Paulo - SP, 04717-004, Brazil |
| Phone : | 📞 +798 |
| Postal code : | 04717-004 |
| Website : | https://www.therminol.com/ |
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