Patent ID: 6896213
Filing Date: 2005-05-24
Classification: B02C

Abstract:
1. A device for supplying material to a vertical mill with air flow conveying, with a conveyor for conveying the material and with a feed device by means of which the material can be supplied to said vertical mill, an end region of said conveyor being located in said feed device, said vertical mill comprises a casing and a pressure system; said feed device and said end region of the conveyor received therein are incorporated into said pressure system of said vertical mill, comprising said conveyor is a double strap conveyor and said feed device is a sandwich lock; said double strap conveyor has a double strap belt with a lower strap belt and an upper strap belt, between which milling material is enclosed as material to be supplied to said vertical mill; said double strap belt in the end region located in said sandwich lock has a lower deflection drum for said lower strap belt and an upper deflection drum for said upper strap belt; said upper deflection drum being located upstream of said lower deflection drum in the conveying direction; said sandwich lock is laterally fixed to said casing of said vertical mill and a feed opening is formed in said casing of said vertical mill in an ejection direction of said milling material.