Cremators

Details Cremators Cremators

1997-04-25

1999-09-28

Bennett, Henry A.

Furnaces

Crematory

110212, 110235, F23G 100

Patent

active

059570652

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.

REFERENCES:
patent: 3875874 (1975-04-01), Altmann
patent: 4123979 (1978-11-01), Tesch
patent: 4603644 (1986-08-01), Brookes
patent: 5161966 (1992-11-01), Obermueller
patent: 5317978 (1994-06-01), Alexandersson
patent: 5516499 (1996-05-01), Pereira et al.
Patent Abstract of Japan--vol. 095, No. 011, Dec. 26, 1995, and JP 07 198122 A (Daiwa Plant Kensetsu KK), Aug. 1, 1995.
Patent Abstract--vol. 71, No. 843, Oct. 1, 1990, p. 62 XP000161098, "Tough Regulations Expected For Incinerators".
Patent Abstract of Japan--vol. 008, No. 064 (M-285), Mar. 27, 1984 and JP 58 214709 A (Taiyou Chikuro Kogyo KK), Dec. 14, 1983.

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