Chemical Processing Department Monthly Report: July 1957 Page: 66 of 107
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Plant engineering task force. This modification wi a evaluated.
Difficulties have been experienced in meeting the required final
U03 particle size specification. The calciner product is presently
routed through a cyclone with the bottoms passing through a hammer-
mill to storage and the overheads directly to storage. The feasi-
bility of obtaining particle size control by attrition of the calciner
product by air at supercritical velocities is being studied.
A new design has been completed of the "hot" box for the UNH feed
control valves. This new box features interchangeable piping, and
versatility in allowing one feed point at a time to be taken out of
service without shutting down the calciner. This design makes easy
removal of parts possible so that defective components can be quickly
Recommendations which have been made to eliminate agitator failures
are being incorporated into the "K" cell calciner. The work on this
calciner is scheduled to be completed and the unit put in operation
in the near future.
The test wet filter installation on "H" cell was placed in service
on July 20, 1957.
Isometric drawings of the 224-UA Building were prepared, illustrating
the equipment layout and the flow of the product handling system,
calciner feed piping, and the calciner off-gas system. These
sketches will be used to clarify the process flow and operation and
to simplify system analyses for contemplated revisions.
A. Research and Development
A 35 mm, Robot Royal Automatic camera with a Strobo flash unit has been
received for photographing the interior of waste storage tanks. The
Photography Unit of Communications and Personnel Development Operation,
is presently experimenting with this equipment for possible adaption
to colored slides, and to become familiar with its operation. An
enclosure is being designed which will prevent contamination of the
equipment when lowered into a storage tank. A remote positioning
device is being developed to permit a sequence of exposures without
removing the equipment from the tank.
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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/m1/66/: accessed May 19, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.