What should the temperature of condensate be when it returns to the boiler in an optimized steam system?

In an optimized steam system, the ideal temperature for condensate returning to the boiler is equal to the temperature of the steam. This is important for maintaining system efficiency and ensuring that the boiler operates effectively. When the condensate returns at the same temperature as the steam, it maximizes heat transfer and minimizes energy loss.

Equal temperature is crucial because if the condensate is too cold, it could slow down the heating process, causing the boiler to work harder to bring the water back up to steam temperature, thus reducing overall system efficiency. Conversely, if the condensate were to return at a temperature higher than that of the steam, it could indicate a problem within the system, leading to complications such as reduced efficiency or safety hazards.

Overall, keeping the condensate at the same temperature as the steam stream ensures that the system operates smoothly, enhances energy efficiency, and prolongs the longevity of the boiler.