Hopper bale openers
Bale openers, blending openers, blending bale openers,
mixing openers, waste openers (or machines under other such names) are
manufactured by many company. Previously, these were the standard bale openers;
in newer installations, however, they are found mainly as waste feeders or for
opening and blending of man-made fires. Laying of material on the feed apron
(Fig.) is performed manually or via condenser from a bale opening machine. The
feed apron (2) pushes the fibre mass toward the inclined lattice (4). In its
rapid rotation, the latter carries clumps of material upward. If these clumps
are sufficiently opened, they pass between the inclined lattice and the evener
rollers (at the top). However, most clumps are too large to pass through the
space between the two units. They are thrown back into the blending hopper by
the evener rollers, and from the hopper they pass once more into the operating
region of the two assemblies (lattice and rollers)
Each time they become smaller until finally they can pass through to the
next unit. Production rate and degree of opening are determined by the speed of
operation of the inclined lattice and its spacing from the evener roller. When
processing wastes, which tend to form laps around the evener roller, this
evener roller can be replaced by an evener lattice
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