Fluid handling – With heating or cooling of the system – Circulating fluid in heat exchange relationship
Patent
1985-08-19
1987-04-28
Schwadron, Martin P.
Fluid handling
With heating or cooling of the system
Circulating fluid in heat exchange relationship
251172, 251328, F16K 4900
Patent
active
046605932
ABSTRACT:
A hot-blast valve for use between a regenerative heating stove on and a blast furnace downstream therefrom in the direction of flow from the stove to the furnace according to the invention has a valve housing made of metal plate and having a lateral gate pocket. Annular upstream and downstream seats define a flow passage and the upstream seat is made of metal and the downstream seat of solid refractory material. A gate is displaceable between the seats between a closed position engaging same and blocking the passage and an open position clear of same in the pocket with the passage open. A coolant is circulated through the upstream seat only.
REFERENCES:
patent: 2914294 (1959-11-01), Beatty
patent: 3266517 (1966-08-01), Carr
patent: 3877481 (1975-04-01), Sharp et al.
patent: 3921671 (1975-11-01), Granstrom et al.
patent: 3941186 (1976-03-01), Schneider
patent: 4161959 (1979-07-01), Jansen et al.
patent: 4402337 (1983-09-01), Schuurman
Novack Sheri M.
Schwadron Martin P.
Sidmar S/A
Striker Michael J.
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