Published April 7, 1987 | Version v1
Patent Metadata-only

Cleaning device for fuel assemblies

Creators

  • 1. Toshiba Corp., Kawasaki, Kanagawa (Japan)

Description

Purpose: To effectively remove cruds deposited to fuel assemblies by a ultrasonic cleaning method in a state where a channel box is attached. Constitution: A fuel assembly is cleaned or washed within a fuel pool filled with water. The assembly attached with a channel box as it is moved downwardly from above the pool by way of a fuel exchanger and the lower end of the assembly is seated on a receptacle seat. Ultrasonic vibrations are applied to the outside of the channel box while displacing the ultrasonic vibrator along the fuel assembly to strip the cruds from the fuel assembly and the cruds are sucked and removed by the suction pump. This enables to safely and effectively remove cruds deposited to the fuel assembly. (Takahashi, M.)

Availability note (English)

Available from JAPIO. Also available from INPADOC.

Additional details

Publishing Information

Imprint Pagination
4 p.
IPC:
Int. Cl. G21F9/30; B08B3/12.
IPC
Int. Cl. G21F9/30; B08B3/12.
Patent number
JP patent document 62-75398/A/

INIS

Country of Publication
Japan
Country of Input or Organization
Japan
INIS RN
19009128
Subject category
S22: GENERAL STUDIES OF NUCLEAR REACTORS;
Resource subtype / Literary indicator
Non-conventional Literature
Descriptors DEI
CORROSION PRODUCTS; DECONTAMINATION; FUEL ASSEMBLIES; FUEL STORAGE POOLS; MECHANICAL VIBRATIONS; SHROUDS; ULTRASONIC WAVES; VACUUM PUMPS
Descriptors DEC
CLEANING; COOLING SYSTEMS; EQUIPMENT; PUMPS; REACTOR COMPONENTS; REACTOR COOLING SYSTEMS; SOUND WAVES

Optional Information

Secondary number(s)
JP patent application 60-216881.