• downcomer
• downcomers

downcomer (suomeksi)

Määritelmät:

• A pipe to conduct something downwards.
• A large external pipe in a water-tube boiler, carrying unheated water from the steam drum down to the water drum as part of the circulation path.
• A pipe for leading the hot gases from the top of a blast furnace downward to the regenerators, boilers, etc.