Where is the bottom blow-off line of a high-pressure water tube boiler typically connected?

In a high-pressure water tube boiler, the bottom blow-off line is typically connected to the mud drum. The mud drum is specifically designed to collect sediments and impurities that settle at the bottom of the boiler during operation. Connecting the blow-off line to the mud drum allows for the effective removal of these unwanted materials, helping to maintain water quality and boiler efficiency.

Regularly blowing down the mud drum is essential to prevent buildup that could lead to operational issues, such as reduced heat transfer efficiency or corrosion. By managing these sediments through the blow-off line, the integrity and longevity of the boiler system are preserved. This connection supports the overall safety and functionality of the boiler by ensuring that only clean water circulates through the system.