downcomer (English, noun)
expansion: downcomer (plural downcomers)
Senses:
glosses: 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.
glosses: A pipe to conduct something downwards.
A pipe for leading the hot gases from the top of a blast furnace downward to the regenerators, boilers, etc.
Forms:
form: downcomers
tags: plural