Patent ID: 9452399
Filing Date: 2016-09-27
CPC Classification: B01J

Claim Text:
1. A method for loading catalyst using a pneumatic device for densely filling catalyst into a steam reforming exchanger-reactor consisting of a plurality of bayonet tubes enclosed in a shell, the catalyst being constituted by particles occupying at least part of the annular space ( 4 ) included between an internal tube ( 5 ) and an external tube ( 6 ), the assembly of these two tubes constituting a bayonet tube, the width of said annular space being in the range 30 mm to 80 mm, and its height being in the range 10 to 20 meters, the catalyst particles being in the form of cylinders with an approximate height of 10 mm to 20 mm and with an approximate diameter of 5 mm to 20 mm, the device consisting of: at least one rigid auxiliary tube ( said rigid auxiliary tube ( a central feed hopper ( a funnel ( the rigid auxiliary tube ( the rigid auxiliary tube ( a suitable flow of gas is introduced in its entirety into the internal tube ( the conveyor belt or the shaker conveyor ( as and when the annular zone ( the rigid auxiliary tube ( once the bayonet tube has been loaded and the loading system has been withdrawn, the rigid auxiliary tube (