| 摘要 |
An apparatus is provided for catalytic ammonia or methanol synthesis, or for other exothermic catalytic reactions, in which the catalyst bed is mounted in a basket which is spaced from the wall of the high pressure container. Cold feed gas or other reaction fluid is circulated upwards between the container shell and the basket, to cool the container, then through an internal heat exchanger for further heating to catalysis temperature, and then downwards through the catalyst bed. One or a plurality of horizontal foraminous pipes are provided in the catalyst bed, and a second gas or fluid of lower temperature is passed through the pipes to provide direct quench of the hot reacting process fluid within the catalyst bed. The final hot reacted fluid is passed through the heat exchange for cooling and then removed from the container.
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