Title:
PH ADJUSTMENT SYSTEM FOR REACTOR CONTAINER VESSEL
Document Type and Number:
Japanese Patent JP2021050919
Kind Code:
A
Abstract:
To provide a pH adjustment system for reactor container vessel capable of adjusting pH of dry well pool without adversely affecting the equipment.SOLUTION: The pH adjustment system for reactor container vessel for adjusting the pH of the reactor container vessel housing the reactor pressure vessel, includes: a dry well spray piping with one end placed inside the dry well of the reactor container vessel and the other end placed outside the reactor container vessel; a pH adjuster tank for storing pH regulator; and a pH adjuster supply pipe that allows the pH adjuster to flow from the pH adjuster tank to the dry well spray piping; and a valve that is arranged in the pH adjuster supply pipe and is capable of adjusting the supply amount of the pH adjuster supplied to the dry well spray piping.SELECTED DRAWING: Figure 2
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Inventors:
NABETA YONOSUKE
Application Number:
JP2019171975A
Publication Date:
April 01, 2021
Filing Date:
September 20, 2019
Export Citation:
Assignee:
HITACHI GE NUCLEAR ENERGY LTD
International Classes:
G21C9/004; G21C15/18
Domestic Patent References:
| JPS5614996A | 1981-02-13 | |||
| JP2017219436A | 2017-12-14 |
Foreign References:
| GB2520456A | 2015-05-20 |
Attorney, Agent or Firm:
Shinto International Patent Office