Nonrecovery coke oven battery and method of operation
Patent 5114542 Issued on May 19, 1992. Estimated Expiration Date: 
September 25, 2010. 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 25, 2010. 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 3906992 Method for producing coke High-speed smokeless coke oven battery Method of operation of high-speed coke oven battery Valve Patent #: 4570670 InventorsAssigneeApplicationNo. 587742 filed on 09/25/1990US Classes:201/15, Including heat by burning of product201/26, IN PARALLEL STAGES SIMULTANEOUSLY201/27, INCLUDING BURNING OF VAPORIZED PRODUCT201/41, MISCELLANEOUS202/93, Closed kiln202/102, Hearths202/151, Combustion control devices202/263Smoke escapesExaminersPrimary: Woodard, Joye L.Attorney, Agent or FirmInternational ClassesC10B 005/08C10B 021/20 C10B 027/06 AbstractA sole flue nonrecovery coking oven battery includes a plurality of elongated coking ovens constructed in side-by-side relation with common sidewalls downcomers connecting the ovens through the sidewalls to the sole flues, uptakes connecting the sole flues through the sidewalls to an elongated tunnel extending transversely of the battery and a single stack connected to the elongated tunnel applying a draft to all ovens in the battery through the downcomers, sole flues and uptakes, and an improved draft control system includes an adjustable draft regulating valve for controlling the flow of gas from the uptakes beneath each oven to the common tunnel. An adjustable damper type stack draft valve is also provided for opening and closing the stack to vary the draft applied to the stack to the battery.Field of SearchClosed kilnHearths With fluid injection to retort Plural gas and/or air admission Horizontal Combustion control devices Kiln Smoke escapes Including heat by burning of product IN PARALLEL STAGES SIMULTANEOUSLY INCLUDING BURNING OF VAPORIZED PRODUCT CARBONIZING UNDER PNEUMATIC PRESSURE OR VACUUM MISCELLANEOUS Gate Bifaced Jacketed Position or extent of motion indicator | |
