What component can become steambound if the feedwater temperature is too high?

The feedwater pump can become steambound if the feedwater temperature is too high. This phenomenon occurs because steam can form in the pump if the feedwater is hotter than the pump's ability to handle it. When this happens, steam bubbles may develop in the pump's casing, which can inhibit proper water flow and lead to cavitation.

High-temperature feedwater can create conditions where the vapor pressure of the water approaches or exceeds the pressure within the pump, leading to a situation where steam forms instead of liquid water. Since pumps are designed to move liquid rather than vapor, this can cause operational issues, such as loss of efficiency or damage to the pump components due to the presence of steam.

Understanding the temperature limits for feedwater is crucial in boiler operations, as it ensures that the feedwater pump functions correctly and prevents potential damage to the system. Proper management of feedwater temperature is necessary to maintain safe and efficient boiler operation.