Manufacturing Industry
Wrangling hot waste.(technology focus: FLUID HANDLING AND FLUID POWER)
Mechanical Engineering-CIME, April, 2008 by Hutchinson, Harry
The Department of Energy's Hanford Site, near the Columbia River in Washington, has close to 150 aging waste-storage tanks that are being cleared out so their radioactive contents can be transferred to more-secure double-wall containers. The contractor, CH2M Hill, hired to safely manage this waste, including the job of transferring it to safer tanks, has developed a lot of specialized machinery for the task.
[ILLUSTRATION OMITTED]
One of the big challenges of the cleanup is that all the tools or machinery to do the work must fit down a 15-foot-deep pipe that may be only a foot wide. A scissor-like device called the Salt Mantis, which uses high-pressure water jets to break up salt deposits, was discussed in this department in April two years ago. The...
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