. Cassier's magazine . granted over twohundred patents in this and othercountries and dealing with this sub-ject in detail, and though the greaternumber of these ideas are not com-mercially possible there are in opera-tion to-day many types of machineworking economically m on ores andmaterials of widely differing compo-sition, with results seen in the formof briquettes used in every iron-making centre, either alone or asa proportion of the blast furnaceburden. THE BALL-NORTON BELT SEPARATOR In this machine the feed of orefrom the hopper is regulated by afeed roll, and the lower horizontalbelt
. Cassier's magazine . granted over twohundred patents in this and othercountries and dealing with this sub-ject in detail, and though the greaternumber of these ideas are not com-mercially possible there are in opera-tion to-day many types of machineworking economically m on ores andmaterials of widely differing compo-sition, with results seen in the formof briquettes used in every iron-making centre, either alone or asa proportion of the blast furnaceburden. THE BALL-NORTON BELT SEPARATOR In this machine the feed of orefrom the hopper is regulated by afeed roll, and the lower horizontalbelt carries the ore into the magneticfield. The magnets are so arrangedthat opposite poles are presented tothe ore, thus permitting a thoroughturning over of the particles while inthe magnetic field and allowing en-trained non-magnetic particles to fallfrom the magnetic portion. A suitable stop or barrier is placedin such a position that the fallingstreams of concentrates and tailingsare efficiently separated (see Fig. i).. FIG. 3. DETAILS OF REVOLVING ARMATURE AS USED IN THE WETHERILL TYPE F SEPARATOR MAGNETIC ORE DRESSING 537
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Keywords: ., bookcentury1800, bookdecade1890, bookpublishernewyork, booksubjec
