Use of desuperheaters for feed-water heating

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Steam engine plants characterised by the use of specific types of engine (F01K3/02 takes precedence); Plants or engines characterised by their use of special steam systems, cycles or processes (reciprocating-piston engines using uniflow principle F01B17/04); Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating > the engines being of extraction or non-condensing type; Use of steam for feed-water heating (feed-water heaters in general F22D) > Use of desuperheaters for feed-water heating