Device for the control of an ammonia converter etc.

Details Device for the control of an ammonia converter etc. Device for the control of an ammonia converter etc.

B - Operations, Transporting

01

J

23/393, 23/425

B01J 8/04 (2006.01) C01C 1/04 (2006.01)

Patent

CA 1287480

A b s t r a c t : "Device for the control of an ammonia converter etc," By means of a device for controlling an ammonia converter etc., with process gas inlet and outlet, at least one heat exchanger and at least one catalyst bed as well as another gas supply line and a central pipe as well as a process gas supply line to the heat ex- changer or, respectively, the catalyst bed, with the heat exchanger placed in a dynamically balanced position with regard to the cen- tral pipe, while the catalyst bed is likewise placed in a dynam- ically balanced position around the heat exchanger, a solution is to be provided which allows the feeding into the respective gas streams of control gas, quench gas and part of the process gas at various temperatures and/or under various conditions at any place of a reactor, the solution to be adopted being such that the admix- ture or, respectively, the bypass line can be fully shut off or partly opened or, respectively, fully opened. The solution is effected in that, for temperature control purposes, the central pipe (14), being the control gas feedpipe, runs through the entire length of the heat exchanger (a or, respectively, 5 or, respectively, 6) and is fitted, at the latter's bottom end, with adjustable outlets (18) to allow at least partial admixture of con- trol gas to the process gas stream before the latter passes through the catalyst bed (4), or, respectively, to allow admixture of the control gas stream to the process gas stream after the latter has passed through the catalyst bed (4) and the heat exchanger (7).

554318

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