There are plenty of ports, worldwide, which handle granules & pellets in excess of 2000 th^-1. Loading equipment generally consists of over-the-rail belt conveyors with loading rates greater than (wait for it!) 2000 th^-1. There are spiral bag chutes which could be used.

Your post is very loose but if you can be more specific I am sure others could be tempted to tender more details. ■