Pulverizer having rotatable table with replaceable air port segm

Details Pulverizer having rotatable table with replaceable air port segm Pulverizer having rotatable table with replaceable air port segm

1990-04-16

1991-06-04

Rosenbaum, Mark

Solid material comminution or disintegration

Apparatus

Plural rotary or oscillatory surfaces cooperate with common...

B02C 1500

Patent

active

050207342

ABSTRACT:
A pulverizer for particulate material such as coal includes a housing having a centrally located feed chute, and enclosing a rotary grinding table having an air port unit formed as multiple segments removable attached to the rotary table outer periphery and containing air flow passageways. Located adjacent the air port unit is an outer segmented ring attached rigidly to the pulverizer housing, with a radial gap being provided between the outer ring and the air port unit ring segments. The outer ring segments include upper wear plugs removably attached onto the outer ring lower segments. Whenever the upper parts of the air port unit segments become worn excessively due to erosion, or there is a need to change air flow requirements of the pulverizer, the rotatable air port segmented ring upper parts only are conveniently replaced along with the upper wear segments of the adjacent outer stationary ring.

REFERENCES:
patent: 4721258 (1988-01-01), Dougan et al.
Aufbereitungs-Technik, 12-71 .

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