US 6,981,529 B2
Measuring catalyst(s) for filling reactor tubes in reactor vessels
Paul Fry, League City, Tex. (US)
Assigned to Catalyst Services, Inc., La Porte, Tex. (US)
Filed on Jun. 27, 2003, as Appl. No. 10/609,081.
Claims priority of provisional application 60/392750, filed on Jun. 28, 2002.
Prior Publication US 2004/0017875 A1, Jan. 29, 2004
Int. Cl. B65B 1/04 (2006.01)
U.S. Cl. 141—67 4 Claims
OG exemplary drawing
 
1. An apparatus for filling a plurality of reactor tubes contained in a reactor vessel with at least one catalyst, comprising:
a hopper;
a catalyst moving device mounted below the hopper wherein the catalyst moving device comprises a trough having one open end and a vibrating motor attached to the trough;
a catalyst dispenser mounted below the catalyst moving device;
a scale attached to the catalyst dispenser;
a computer in communication with the scale, the catalyst moving device and with the catalyst dispenser; and
a gate mechanism mounted over the open end of the trough and in communication with the computer wherein the gate mechanism has a brush.