Chemical Processing Department Monthly Report: July 1957 Page: 43 of 107
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HW- 5E8C2 a
D. Maintenance Operation (Continued)
K-C : Drilled and pinned Calciner agitator shaft expansion joint.
Shortened agitator blades to provide maximum clearance at the feed
points. Installed bumper rings on agitator blades located on both
sides of the feed points to prevent the feed points from getting
into the path of the agitator. Relocated the four thermometer wells
out of the path of the agitator. Installed seven additional thermocouples
to provide additional temperature measurements. Revised agitator shaft
bearing housing to permit shaft expansion at this point. Installed
revised seats and plugs in the UNH feed DOV'S. Replaced the Fisher-
Porter air transmitters on the four feed rotometers with Foxboros.
Repaired or replaced all shell thermocouples. Made Calciner weir
adjustable to determine desirable bed level. Revised oiling system
to Calciner agitator bearings from a pressure system to a constant
L-Cell: Revised oiling system to Calciner agitator bearings from a
pressure system to a constant level system.
M-Cell: Drilled and pinned Calciner agitator shaft expansion joint.
Revised Agitator shaft bearing housing to permit shaft expansion at
this point. Revised thermometer nozzles and wells. Revised oiling
- system to Calciner agitator bearings from a pressure system to a
constant level system.
Powder System: Installed bin level indicators on the collection bins
to all Calciners and X-22-1, X-22-2, -28-1, X-28-2 bins. Revised
piping from X-22-1, X-22-2 and 1-28-1, X-28-2 to permit special handling
of powders to determine cause of oversize particles.
In an effort to expedite the work on the improvement program and
accomplish the necessary maintenance work required to maintain the
equipment in the Uranium Reduction Plant the maintenance employees
were put on X, Y, Z Shift to perform the maintenance work in addition
to a day crew which are assigned to the improvement program work.
In order to provide the additional personnel the shift work of
Project CG-691 (New Task I and II) was discontinued.
E. Analytical Control Operation
A total of 8882 determinations were made on 2349 samples received in
the Analytical Laboratory during the month. This was a slight increase
in activity over last month; a result of more requests for analytical
work from the Research and Engineering Operation.
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Hanford Atomic Products Operation. Chemical Processing Department. Chemical Processing Department Monthly Report: July 1957, report, August 22, 1957; Richland, Washington. (https://digital.library.unt.edu/ark:/67531/metadc1312193/m1/43/: accessed May 23, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.