Importance

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Abstract

A cremator comprises a primary combustion chamber for receiving through a charge door thereof a coffin or other object to be cremated and being provided with a first burner, a secondary combustion chamber (e.g. in the form of a tube of thermally conductive material) in communication with the primary combustion chamber and being provided with a second burner, and a retention chamber in communication with the secondary combustion chamber for temporarily retaining heated waste gases exhausted from the secondary and primary combustion chambers before passing to a waste flue, characterised in that at least a portion of the secondary combustion chamber is located within the retention chamber, whereby gases retained in the retention chamber are heated (preferably to a temperature of at least 850.degree. C.) at least partly by direct heating from the secondary combustion chamber. This improved constructional design provides for a more compact and fuel-efficient dual combustion chamber-type cremator.

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First Claim