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F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
F22D1/28—Feed-water heaters, i.e. economisers or like preheaters for direct heat transfer, e.g. by mixing water and steam
F22D1/30—Feed-water heaters, i.e. economisers or like preheaters for direct heat transfer, e.g. by mixing water and steam with stages, steps, baffles, dishes, circular troughs, or other means to cause interrupted or cascading fall of water
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FR627154D1927-01-071927-01-07Réchauffeur-épurateur d'eau d'alimentation des chaudières
ExpiredFR627154A
(fr)