POWDER TRANSPORTING METHOD

PURPOSE:To transport radioactive powder without clogging and without splashing the powder and to decrease the radiation exposure at the time of inspecting transportation equipment by using a low boiling solvent having low chemical reactivity as a carrier for transporting the radioactive powder. CONS...

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Bibliographic Details
Main Author ETSUNO YASUO
Format Patent
LanguageEnglish
Published 27.01.1989
Subjects
CONVEYING
DECONTAMINATION ARRANGEMENTS THEREFOR
HANDLING THIN OR FILAMENTARY MATERIAL
NUCLEAR ENGINEERING
NUCLEAR PHYSICS
PACKING
PERFORMING OPERATIONS
PHYSICS
PNEUMATIC TUBE CONVEYORS
PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULARRADIATION OR PARTICLE BOMBARDMENT
SHOP CONVEYOR SYSTEMS
STORING
TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING ORTIPPING
TRANSPORTING
TREATING RADIOACTIVELY CONTAMINATED MATERIAL
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Summary:PURPOSE:To transport radioactive powder without clogging and without splashing the powder and to decrease the radiation exposure at the time of inspecting transportation equipment by using a low boiling solvent having low chemical reactivity as a carrier for transporting the radioactive powder. CONSTITUTION:A powder transporting device is formed of a powder supplying hopper 1, a powder mixture 3, a transporting pump 4, a powder hopper 5, a solvent tank 6, a solvent pump 7 and a solvent cooler 8. A stirrer 9 is provided to the mixer 3 and a filter 10 and a heater 11 are provided to a powder receiving hopper 5. A specified volume of the powder is supplied to the mixer 3 by a rotary valve 2 and the org. solvent in the solvent tank 6 is supplied by the solvent pump 7 to the mixer 3 so that the powder is suspended in the solvent. The suspension is transported by the pump 4 to the hopper 5. The solvent in the tank 6 is passed through the powder transporting line by the pump 7 to clean the piping after the powder transportation.
Bibliography:Application Number: JP19870181005