Tension adjustment gauge system and method for ball and ring...

Details Tension adjustment gauge system and method for ball and ring... Tension adjustment gauge system and method for ball and ring...

2008-09-25

2010-11-16

Rosenbaum, Mark (Department: 3725)

Solid material comminution or disintegration

Processes

Combined

C241S037000, C241S101300, C241S103000, C241S290000

Reexamination Certificate

active

07832665

ABSTRACT:
A tension adjustment gauge system and method for a ball and ring coal pulverizer is provided that includes a housing, a stationary top grinding ring within the housing, a rotating lower grinding ring within the housing, a plurality of grinding balls between the top grinding ring and the lower grinding ring, an adjustable loading system for applying a compressive force exerted on the top grinding ring and grinding balls against the lower grinding ring. The adjustable loading system includes a single hydraulic assembly mounted on the upper portion of the housing, a gauge mounted to the hydraulic assembly for determining linear movement of a piston of the hydraulic assembly, a plurality of threaded rods mounted to the upper portion of the housing capable of being manually adjusted. The movement of the piston corresponds to an equal distance of movement of a spring gap between an upper and lower portion of the compression spring, such that the gauge indicates the change in the spring gap by moving the piston. The tension adjustment gauge system is more efficient and less time consuming to perform tension adjustments to the ball and ring coal pulverizer.

REFERENCES:
patent: 2595587 (1952-05-01), Leach
patent: 6609669 (2003-08-01), Rakocy et al.

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