Definition of Downcomer. Meaning of Downcomer. Synonyms of Downcomer

Here you will find one or more explanations in English for the word Downcomer. Also in the bottom left of the page several parts of wikipedia pages related to the word Downcomer and, of course, Downcomer synonyms and on the right images related to the word Downcomer.

Definition of Downcomer

Downcomer
Downcomer Down"com`er, n. A pipe to conduct something downwards; specif.: (a) (Iron Manuf.) A pipe for leading the hot gases from the top of a blast furnace downward to the regenerators, boilers, etc. (b) (Steam Engin.) In some water-tube boilers, a tube larger in diameter than the water tubes to conduct the water from each top drum to a bottom drum, thus completing the circulation.

Meaning of Downcomer from wikipedia

- point from which to collect dry steam, reducing the risk of priming. Downcomer Large external pipes in many water-tube boilers, carrying unheated cold...
- a combined stream via one or more cylindrical columns referred to as "downcomers". Other types of flotation cell typically introduce the feed and the air...
- afterwards to ensure that none had been left behind, blocking a tube. Separate downcomers were used by most designs, even after Yarrow's experiments had demonstrated...
- 'downcomer tubes', where it pre-heats the feedwater supply. (In large utility boilers, the feedwater is supplied to the steam drum and the downcomers supply...
- remains behind and flows horizontally out into the downcomer or annulus region. In the downcomer or annulus region, it combines with the feedwater flow...
- pool. Excess steam from the drywell enters the wetwell water pool via downcomer pipes. SFP: spent fuel pool area SCSW: secondary concrete shield wall...
- directions taking place within the tube bank, rather than using external downcomers. Early use of the water-tube boiler within the Royal Navy was controversial...
- particles Cowper stoves for hot blast Smoke stack Feed air for Cowper stoves (air pre-heaters) Powdered coal Coke oven Coke Blast furnace gas downcomer...
- saturated water at the bottom of the steam drum flows down through the downcomer pipe, normally unheated, to headers and water drum. Its accessories include...
- contains a header tank, which is used for the landing burn. A central "downcomer" pipe through the oxygen tank supplies methane to a distribution manifold...