Safety system for coal pulverizers

Details Safety system for coal pulverizers Safety system for coal pulverizers

1986-08-22

1987-03-31

Goldberg, Howard N.

Solid material comminution or disintegration

Apparatus

With explosion preventing or relieving means

241 33, 241DIG14, B02C 2500

Patent

active

046536981

ABSTRACT:
A safety control system is disclosed for a coal pulverizer utilizing the measurements of net oxygen and carbon monoxide measurements of the pulverizer atmosphere. First levels of net oxygen and rate of carbon monoxide change are utilized in a control logic system to actuate alarms and automatic inerting of the pulverizer is accomplished utilizing a second level of net oxygen measurement and absolute carbon monoxide level in the pulverizer.

REFERENCES:
patent: 3477650 (1969-11-01), Williams
patent: 3909954 (1975-10-01), Zoukourian
patent: 4226371 (1980-10-01), Williams
patent: 4244529 (1981-01-01), DeGabriele et al.

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