T/CNEA 002-2021 Active Group standards

T/CNEA 002-2021 Guidelines for Adding Zinc to the Primary Coolant Circuits of Pressurized Water Reactor Nuclear Power Plants

T/CNEA 002-2021

Publish Date: 2021-04-26 Implement Date: 2021-07-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/CNEA 002-2021

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: \nNuclear island of a nuclear power plant

ICS Name: Nuclear power stations, safety

Publish Date: 2021-04-26

Implement Date: 2021-07-01

Scope

Scope: This document provides guidance on adding zinc to the primary coolant of pressurized water reactors, including an assessment of the impact of adding zinc, data collection, specifications for zinc addition devices, requirements for zinc chemicals and safety protection, development of a zinc addition strategy (preconditions for zinc addition, zinc concentration control, zinc addition rate, sampling requirements, analysis methods, and handling of abnormal zinc concentrations), precautions, and evaluation of the effectiveness of zinc addition. This document is applicable to the first addition of zinc during the hot functional tests before loading fuel in pressurized water reactors and the addition of zinc to the primary coolant during power operation. Main technical content: This document consists of 11 chapters. Chapters 1-3 are normative provisions, and Chapters 4-11 contain the main content of the guidance on adding zinc to the primary coolant of pressurized water reactors. The main content includes: general provisions, assessment of the impact of adding zinc, data collection, zinc addition devices, requirements for zinc chemicals and safety protection, implementation of zinc addition, precautions for zinc addition, and evaluation of the effectiveness of zinc addition.