Regenerative post-combustion device comprising along a longitudinal axis: a) a combustion chamber, b) a heat exchanger space, which is divided into at least two heat exchanger segments each filled with heat exchanger material, c) a distribution space which, corresponding to the heat exchanger space, has at least two distribution segments which each communicate with a heat exchanger segment; d) a distribution device having at least one exhaust gas passage opening and at least one clean gas passage opening, wherein - the exhaust gas passage opening is arranged angularly offset to the clean gas passage opening such that the exhaust gas passage opening communicates with a first distribution segment and the clean gas passage opening communicates with a second distribution segment different from the first distribution segment, and - the exhaust gas passage opening and the clean gas passage opening are located at different radial distances from the vertical axis of the post-combustion device; e) a bypass ring line and a plurality of bypass lines (104.1-104.8) associated with the respective distribution segments or heat exchanger segments, wherein the bypass ring line is connected to the plurality of bypass lines (104.1-104.8), wherein the distribution space has a shut-off device for at least one distribution space segment, wherein the shut-off device is configured such that a partial volume flow can be diverted via the bypass line (104.1-104.8) from the associated heat exchanger segment instead of through the clean gas passage opening through the associated bypass line (104.1-104.8) and through the bypass ring line to the combustion chamber or alternatively/additionally to a hot gas generation unit and from there back to the associated heat exchanger segment. a) a combustion chamber, b) a heat exchanger space, which is divided into at least two heat exchanger segments each filled with heat exchanger material, c) a distribution space which, corresponding to the heat exchanger space, has at least two distribution segments which each communicate with a heat exchanger segment; d) a distribution device having at least one exhaust gas passage opening and at least one clean gas passage opening, wherein - the exhaust gas passage opening is arranged angularly offset to the clean gas passage opening such that the exhaust gas passage opening communicates with a first distribution segment and the clean gas passage opening communicates with a second distribution segment different from the first distribution segment, and - the exhaust gas passage opening and the clean gas passage opening are located at different radial distances from the vertical axis of the post-combustion device; - the exhaust gas passage opening is arranged angularly offset to the clean gas passage opening such that the exhaust gas passage opening communicates with a first distribution segment and the clean gas passage opening communicates with a second distribution segment different from the first distribution segment, and - the exhaust gas passage opening and the clean gas passage opening are located at different radial distances from the vertical axis of the post-combustion device; e) a bypass ring line and a plurality of bypass lines (104.1-104.8) associated with the respective distribution segments or heat exchanger segments, wherein the bypass ring line is connected to the plurality of bypass lines (104.1-104.8), wherein the distribution space has a shut-off device for at least one distribution space segment, wherein the shut-off device is configured such that a partial volume flow can be diverted via the bypass line (104.1-104.8) from the associated heat exchanger segment instead of through the clean gas passage opening through the associated bypass line (104.1-104.8) and through the bypass ring line to the combustion chamber or alternatively/additionally to a hot gas generation unit and from there back to the associated heat exchanger segment.