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Sunday, October 5, 2014

Common terms used in Boilers and Heaters



         heat pipe:   A compact heat exchanger consisting of a pressure vessel and a bundle of heat pipes. The heat pipes extract heat from a hot fluid and transport it into a pressure vessel where steam is generated.

header box:   The internally insulated structural compartment, separated from the flue gas stream, which is used to enclose a number of headers or manifolds. Access is afforded by means of hinged doors or removable panels.

header or return bend:   The common term for a 180-degree cast or wrought fitting that connects two or more tubes.

hot face layer:   The refractory layer exposed to the highest temperatures in a multilayer or multicomponent lining.

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