摘要 |
In the reactor for the catalytic synthesis of NH3 at high temp. and pressure as well as for other exothermic reactions taking place under similar conditions, e.g. methanol synthesis; is incorporated. (a) square section rods provided in the heat exchanger tubes; (b) for the cooling of the catalytic zone an assembly of cooling systems consisting of three normally concentric tubes used in the catalyst layer; (c) a spray catcher with metal sieves provided in the interspace of the heat exchanger at the synthesis gas inlet; (d) for topping up setted down catalyst, tubes welded to the cover of the inner body, and (e) a bellows-type distributor chamber provided to prevent by-passing and give operational stability. |