| 摘要 |
The invention relates to an inerting method and to an inerting system (1) for fire protection and/or fire extinguishing, wherein for the purposes of adjusting and/or maintaining a predefinable oxygen content, which is reduced in comparison to normal ambient air, in the room atmosphere of an enclosed room (2) a gas separation system (3, 4) is provided for separating at least a portion of the oxygen from an initial gas mixture containing nitrogen and oxygen, thereby producing a gas mixture enriched with nitrogen at the outlet (4a) of the gas separation system (3, 4). In order to achieve the adjusting and maintaining of a predefined inerting level with as little energy expenditure as possible, according to the invention a control unit (5) is provided, which is adapted to control the gas separation system (3, 4) in such a way that the oxygen residual content of the gas mixture enriched with nitrogen is changed as a function of the oxygen content currently in effect in the room atmosphere of the enclosed room (10).
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