| 摘要 |
PROBLEM TO BE SOLVED: To provide a device for measuring a pressure loss of a debris filter provided in a fuel support metal, and for inspecting an appearance of the debris filter. SOLUTION: This debris filter inspection device 20, provided in a coolant inlet hole 14 of the fuel support metal 10 attached to a reactor core support plate 6 in a nuclear reactor, has a long introducing tube 21 engaged with an opening part 16 of the fuel support metal 10 to introduce the coolant a from the opening part 16 of the fuel support metal 10; a pressure gage 31 provided in the introducing tube 21 to measure pressure inside the introducing tube 21; a venturi tube 22 for measuring a flow rate of the coolant a in the introducing tube 21; and an axial flow type pump 23 provided with an impeller 51 having a hollow rotary shaft to pump up the coolant a from a lower plenum 13 of the nuclear reactor through the introducing tube 21 from the fuel support metal 10. COPYRIGHT: (C)2005,JPO&NCIPI
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