Refuse disposal by environmentally safe high temperature...

Details Refuse disposal by environmentally safe high temperature... Refuse disposal by environmentally safe high temperature...

2005-09-02

2008-11-11

Rinehart, Kenneth B (Department: 3749)

Furnaces

Process

Incinerating refuse

Reexamination Certificate

active

07448332

ABSTRACT:
A method and apparatus for burning material having a primary burner in the form of an elongated cylinder, the ends of the cylinder closed with stationary end walls. The cylinder is rotated about its longitudinal axis which is horizontal. A ram material inlet is provided in one end wall for compressing and feeding material into the cylinder. An air inlet conduit introduces air into the cylinder to promote burning of the material in the cylinder as the cylinder rotates. The combustion cylinder is maintained by an exhaust fan and air control valves at a pressure below atmospheric. A secondary afterburner is provided adjacent the primary burner that receives combustion gases from the primary burner. A cyclonic separator is positioned downstream of the gases burned in the afterburner. A programmable logic controller connected to air valves and sensors monitors the combustion process to sustain maximum combustion efficiency at temperatures above 1700 degrees Fahrenheit.

REFERENCES:
patent: 3842762 (1974-10-01), Sargent et al.
patent: 4254715 (1981-03-01), LaHaye et al.
patent: 5207176 (1993-05-01), Morhard et al.
patent: RE34298 (1993-06-01), Gitman et al.
patent: 5322026 (1994-06-01), Bay
patent: 5366699 (1994-11-01), Milfeld et al.
patent: 5374403 (1994-12-01), Chang
patent: 5415113 (1995-05-01), Wheeler et al.

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