In heating plants with multiple boilers, what is often implemented for better efficiency?

Implementing independent boiler feed water control from a header in heating plants with multiple boilers enhances operational efficiency by allowing each boiler to be controlled based on its specific demand and operating conditions. This approach ensures that each boiler receives the precise amount of feed water needed for optimal performance, which leads to more effective temperature control and pressure management.

By having independent control, the system can respond dynamically to changes in demand. For example, if one boiler is under heavy load while another is lightly loaded, the feed water to the heavily laden boiler can be increased without affecting the other. This results not only in improved fuel efficiency but also in better overall responsiveness of the heating system.

In contrast, synchronized operation of all boilers might not allow for this flexibility, potentially leading to inefficiencies if one boiler is overloaded while another is not being utilized effectively. Shared feedwater supply lines could introduce complications, such as pressure variations that might negatively affect boiler performance. A common condensate return system is important for recovery and reuse of heat but does not directly influence the optimization of feed water controls, which is the key focus for improving efficiency in this context.