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[论文] Primary Coolant Technology and Experience in VVER units

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发表于 2009-1-1 23:07:47 | 显示全部楼层 |阅读模式
本帖最后由 ga0643 于 2010-4-23 14:53 编辑

一篇关于WWER反应堆一回路水化学的文章,很有趣,可以了解了解。
The primary coolant technology approaches currently used in VVER units are reviewed
and compared with those used in PWR units. Standard and modified water chemistries
differing in boron-potassium control are discussed. Preparation of the VVER Primary
Water Chemistry Guidelines in the Czech Republic is noted. Operational experience of
some VVER units, operated in the Czech Republic and Slovakia, in the field of the
primary water chemistry, and radioactivity transport and build-up are presented. In
Mochovce and Temelín units, a surface preconditioning (passivation) procedure has been
applied during hot functional tests. The main principles of the controlled primary water
chemistry applied during the hot functional tests are reviewed and importance of the
water chemistry, technological and other relevant parameters is stressed regarding to the
quality of the passive layer formed on the primary system surfaces. The first operational
experience obtained in the course of beginning of these units operation is presented
mainly with respect to the corrosion products in the coolant and surface activities. Effect
of the initial passivation performed during hot functional tests and the primary water
chemistry on corrosion products radioactivity level and radiation situation is discussed.

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