economiser definition of economiser in the Free Online Encyclopedia.

economizer [ē′kän·ə‚miz·ər]

(engineering)

A reservoir in a continuous-flow oxygen system in which oxygen exhaled by the user is collected for recirculation in the system.

(mechanical engineering)

A forced-flow, once-through, convection-heat-transfer tube bank in which feedwater is raised in temperature on its way to the evaporating section of a steam boiler, thus lowering flue gas temperature, improving boiler efficiency, and saving fuel.

Economizer

a component of a boiler unit. An economizer is a heat exchanger in which feed water is heated by flue gases before the water is supplied to the boiler. For a pressure of up to 22 kilograms-force per cm² (2.2 megapascals) and a feed-water temperature below the dew point of the flue gases or for water that has not been deaerated, an economizer consisting of plain cast-iron tubes or of finned cast-iron tubes is used. For higher temperatures and pressures, an economizer consisting of steel tubes is used; most economizers of this type consist of plain steel tubes. An economizer increases the efficiency of a boiler unit.

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Economizer (redirected from economiser)

Economizer
(redirected from economiser)