FIELD: process engineering.
SUBSTANCE: invention relates to crushing and reducing of materials. Proposed crusher incorporates sealing assembly comprising bush with lengthwise holes on peripheral section and annular bead at central section. Bush is rigidly fitted on vertical shaft jointing gas-static bearing pad with material accelerator. Ring supporting graphite ring is secured on bush annular bead. Cage is jointed to graphite ring outer side surface. Elastic heat-resistant diaphragm is jointed with aforesaid case and inner casing. Ring with bead may displace vertically at bush top section above graphite ring. Flat ring is arranged above ring with bead at bush top section while flat support ring top surface has crescent-shaped grooves for decreasing wear.
EFFECT: higher reliability.
4 dwg
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