Development of a waste dislodging and retrieval system for use in the Oak Ridge National Laboratory gunite tank

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As part of the Gunite And Associated Tanks (GAAT) Treatability Study the Oak Ridge National Laboratory (ORNL) has developed a tank waste retrieval system capable of removing wastes varying from liquids to thick sludges. This system is also capable of scarifying concrete walls and floors. The GAAT Treatability Study is being conducted by the Department of Energy Oak Ridge Environmental Restoration Program. Much of the technology developed for this project was cosponsored by the DOE Office of Science and Technology through the Tanks Focus Area (TFA) and the Robotics Technology Development Program. The waste dislodging and conveyance (WD&C) system was ... continued below

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13 p.

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Randolph, J.D.; Lloyd, P.D. & Burks, B.L. March 1, 1997.

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Description

As part of the Gunite And Associated Tanks (GAAT) Treatability Study the Oak Ridge National Laboratory (ORNL) has developed a tank waste retrieval system capable of removing wastes varying from liquids to thick sludges. This system is also capable of scarifying concrete walls and floors. The GAAT Treatability Study is being conducted by the Department of Energy Oak Ridge Environmental Restoration Program. Much of the technology developed for this project was cosponsored by the DOE Office of Science and Technology through the Tanks Focus Area (TFA) and the Robotics Technology Development Program. The waste dislodging and conveyance (WD&C) system was developed jointly by ORNL and participants from the TFA. The WD&C system is comprised of a four degree-of-freedom arm with back driveable motorized joints. a cutting and dislodging tool, a jet pump and hose management system for conveyance of wastes, confined sluicing end-effector, and a control system, and must be used in conjunction with a robotic arm or vehicle. Other papers have been submitted to this conference describing the development and operation of the arm and vehicle positioning systems. This paper will describe the development of the WD&C system and its application for dislodging and conveyance of ORNL sludges from the GAAT tanks. The confined sluicing end-effector relies on medium pressure water jets to dislodge waste that is then pumped by the jet pump through the conveyance system out of the tank. This paper will describe the results of cold testing of the integrated system. At the conference presentation there will also be results from the field deployment. ORNL has completed fabrication of the WD&C system for waste removal and is full-scale testing, including testing of the confined sluicing end-effector.

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13 p.

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INIS; OSTI as DE97003486

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  • 7. American Nuclear Society topical meeting on robotics and remote systems, Augusta, GA (United States), 27 Apr - 1 May 1997

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  • Other: DE97003486
  • Report No.: CONF-970464--14
  • Grant Number: AC05-96OR22464
  • Office of Scientific & Technical Information Report Number: 456359
  • Archival Resource Key: ark:/67531/metadc674209

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Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • March 1, 1997

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  • July 25, 2015, 2:21 a.m.

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  • Jan. 19, 2016, 12:42 p.m.

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Randolph, J.D.; Lloyd, P.D. & Burks, B.L. Development of a waste dislodging and retrieval system for use in the Oak Ridge National Laboratory gunite tank, article, March 1, 1997; Tennessee. (digital.library.unt.edu/ark:/67531/metadc674209/: accessed September 24, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.