Apparatus for melting asbestos-containing waste material in glass
Patent 5032161 Issued on July 16, 1991. Estimated Expiration Date: 
September 15, 2009. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
September 15, 2009. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3728094 Wet scrubbing-pelletizing method Method and apparatus for preheating pulverous materials prior to their introduction into a melting furnace Purification of effluent gases Aqueous waste vitrification process and apparatus Method and device for preheating raw materials for glass production, particularly a cullet mixture Patent #: 4696690 InventorsAssigneeApplicationNo. 407905 filed on 09/15/1989US Classes:65/335, GLASS FURNACE WITH FURNACE CHARGING MEANS65/27, Repairing or cleaning of apparatus; or batch dust prevention or control65/181COMBINEDExaminersPrimary: Woodard, Joye L.Attorney, Agent or FirmForeign Patent References
International ClassC03B 005/16AbstractApparatus includes a furnace for vitrifying waste material, a storage container for delivering waste material to the furnace and a pipe for passing a heat transfer medium through the storage container to preheat the waste material and remove water therefrom. The pipe may be a pipe through which exhaust gas is passed or a pipe through which a liquid medium is passed after heat transfer from the exhaust gas. The apparatus further includes means for removing dust from the exhaust gas and heating same to break down dioxines and furanes therein. | |
