# US 8,465,626 B2 · Coke oven with optimized control and method of control > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,465,626 B2 - Document ID: US8465626B2 - Status: Granted - Kind: B2 - Application number: 12/087,209 - Filed: 2006-10-11 - Published: 2009-02-05 - Granted: 2013-06-18 - Earliest claimed: 2006-01-31 - Assignees: Uhde GmbH - Applicants: Franz-Josef Schuecker; Ronald Kim - Inventors: Franz-Josef Schuecker; Ronald Kim - Web page: https://patentgrep.com/patent/US8465626B2 ## CPC - C10B 21/10: Regulating and controlling the combustion - C10B 15/02: with floor heating - Y02P 20/129: Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines - C10B: DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS (cracking oils C10G; underground gasification of minerals E21B43/295) - Y02P: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS ## Abstract This invention relates to a coking oven in flat-type construction, a non-recovery or heat-recovery coking oven, which has at least one measuring apparatus for measuring the concentration of gaseous constituents of the coke oven retort, the coke oven hearth and/or the off gas duct, and in which, on the basis of these data, a process control computer determines and regulates the optimal supply of primary and/or secondary air. Also embraced by the invention is a coking method employing a coking oven of this kind. ## Claims ### Claim 1 A method for coal carbonization, utilizing a coke oven, the coke oven comprising: a coke oven chamber (1); a coke oven door with a surrounding coke oven wall; and a coke oven sole (2) with channels (3); wherein the coke oven chamber (1) and coke oven sole (2) are connected via gas channels (3), and shutoff devices (7,8) in front of the opening ports (4,5) for primary and secondary air are implemented, the method comprising: charging the oven chamber (1) with coal and starting the coke making process; analyzing (10) the concentration of one or more gas constituents (10) during the coke making process in the coke oven chamber (1) by a measuring device (10) for the determination of hydrogen, nitrogen, carbon monoxide or carbon dioxide; transmitting (15) the data to a computer unit (16); determining the supply of primary and/or secondary air (4,5) with the computer unit (16) on the basis of stored discrete values or model computations; and actuating the control elements of the shutoff devices (7,8) for primary and/or secondary air according to the determination of the computer unit (16) via control lines (19,20), so that the admittance of primary and/or secondary air (4,5) is regulated by the control elements of said shutoff devices (7,8). ### Claim 2 (depends on 1) The method for coal carbonization according to claim 1, further comprising: measuring the temperature (13) in the coke oven sole (2) and/or waste gas channel (6), transmitting (18) the resulting data to a computer unit (16), wherein the computer unit (16): determines the supply of primary and/or secondary air (4,5) on the basis of stored discrete values or model computations, and activates the control elements of the shutoff devices (7,8) for primary (4) and/or secondary (5) air via control lines (19,20), thus regulating the admittance of primary and/or secondary air (4,5) during the coke making process. ### Claim 3 (depends on 1) The method for coal carbonization according to claim 1, wherein the mean temperature in the coke oven sole (2) during the coke making process drops within a range of 350° C. to 400° C. and does not fall under 1000° C. ### Claim 4 (depends on 1) The method for coal carbonization according to claim 1, wherein the concentration of oxygen in the waste gas channel (6) constantly lies in the range of 7.5 to 8.5 percent by volume. ### Claim 5 A coke oven built in flat-type construction, which is a non-recovery and/or heat recovery coke oven, the coke oven comprising: a coke oven chamber (1), which chamber contains at least one front side coke oven door with a surrounding coke oven wall, a coke oven sole (2) comprising channels, gas channels (3), the gas channels (3) being disposed to connect the coke oven chamber (1) and the coke oven sole (2), one or several opening ports (4) or channels for supplying primary air are disposed through the coke oven wall or coke oven door, one or several opening ports (5) or channels for supplying secondary air into the coke oven sole (2) are disposed in the oven wall and/or oven door and/or oven sole, and shutoff devices (7,8) are arranged in front of these opening ports (4,5) or in lines conducting to these opening ports, wherein: the coke oven chamber (1) is connected with at least one measuring device (10) to measure the concentration of gas constituents of the coke oven chamber (1), and the at least one measuring device (10) is linked via a channel (9) to the coke oven chamber (1), and the at least one measuring device (10) is linked to a computer unit (16) in such a way (15) that this computer unit (16) can receive data and measured results from the measuring device (10), and the computer unit (16) is connected via control lines (19, 20) to one or more adjusting devices of said shutoff devices (7,8), with the shutoff devices (7,8) representing valves, flaps, slide gates or the like. ### Claim 6 (depends on 5) The coke oven according to claim 5, wherein a temperature measuring device (13) is arranged in the coke oven sole (2) or in the waste gas channel (6), wherein said temperature measuring device (13) is also connected to the computer unit (16) in such a way that it can receive data and measured results from the temperature measuring device (13). ### Claim 7 (depends on 5) The coke oven according to claim 5, wherein the measuring device is an analyzer (10) for the determination of hydrogen, nitrogen, carbon monoxide or carbon dioxide. ### Claim 8 (depends on 5) The coke oven according to claim 5, wherein a lambda detector (14) for measuring or detecting the oxygen content is arranged in the coke oven sole (2) or in the waste gas channel (6). ### Claim 9 (depends on 5) The coke oven according to claim 5, wherein the measuring device comprises a further detector which is a lambda detector (14) for the determination of oxygen.