An experimental investigation of the reaction front movements upon reacting gas injection in a pre-heated non-adiabatic fixed-bed methanation reactor is conducted. The relocation starts with a backward movement of the front, whose maximal velocity turns out to be a linear function of the temperature setpoint. The front then moves forward in response to the fact that the injected cold gas cools down the bed in the upstream zone. The front stabilizes asymptotically in the downstream (upstream, resp.) zone of the reactor after a characteristic time that is an increasing (decreasing, resp.) function of the temperature setpoint, if the setpoint is below (above, resp.) a certain threshold. This behavior is interpreted in terms of reaction wave velocity.

对在预热的非绝热固定床甲烷化反应器中注入反应气体进行反应前运动的实验研究。重新定位从前端的向后移动开始，前端的最大速度被证明是温度设定值的线性函数。然后，响应于注入的冷气冷却上游区域中的床的事实，前部向前移动。如果设定时间低于（高于，等于）某个温度设定值，则该特征时间在特征时间（温度设定值的递增（减小））后，在反应器的下游（上游）渐近稳定。临界点。这种行为是根据反应波速度来解释的。