Roller compactor with horizontal feed screws

Fig. 18 Computer controlled roller compactor with horizontal feed screws, vacuum deaeration, and cantilevered rolls. (Courtesy of Alexanderwerk Inc.)...

The newly designed equipment involved a compactor fitted with two horizontal feed screws, which featured vacuum deaeration. Specifically, the roller compactor was equipped with a conical storage hopper containing a variable speed agitator. Bulk powder was fed directly from the top of the hopper to the top of twin horizontal auger feed screws, which directly transported the powder to the nip roll area (13). Top and side views of the design features are shown in Figure 17. ... 

The Alexanderwerk Inc. roller compactor (Fig. 18) is modular designed with a horizontal twin feed screw... 

---