T/CNEA 025-2022 Active Group standards

Technical Specifications for CO Target Parts in Pressurized Water Reactors, T/CNEA 025-2022

T/CNEA 025-2022

Publish Date: 2022-06-15 Implement Date: 2022-08-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Price: $ 20.00

Out of stock

Basic Information

Standard Code: T/CNEA 025-2022

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Other standards related to nuclear energy

Publish Date: 2022-06-15

Implement Date: 2022-08-01

Scope

Main technical content: This document specifies the structural composition, raw materials, intermediate products, and technical requirements of the cobalt target for pressurized water reactors; the requirements for quality assurance (batch management, sampling requirements, and testing methods, etc.); and the packaging and transportation requirements and preparation of quality documents for the product. It clarifies that the product is applied to the pressurized water reactor's flow restrictor assembly, where four flow restrictor rods are replaced by four cobalt rods and irradiated in the reactor to produce cobalt-60. The cobalt rods for pressurized water reactor cobalt targets include the upper end plug, compression spring, upper cap, support tube, cobalt rod section, cladding tube, and lower end plug welded to the outer cladding shell. Each cobalt rod section includes an upper cap, base tube, cobalt particles, sleeve tube, and lower cap. Each cobalt rod consists of nine cobalt rod sections. The cobalt rod section is made by filling a zirconium-based tube with 900φ1×1.75mm cobalt particles, filling the tube with helium gas under a certain pressure, and welding the upper and lower caps to the sleeve tube by electron beam and argon arc welding.