Published October 2014 | Version v1
Journal article Metadata-only

Improving NPP safety and economic efficiency by upgrading reactor coolant pump maintenance process

Creators

  • 1. Sumskij Gosudarstvennyj Universitet, Sumy (Ukraine)
  • 2. OOO'OOs SERTATOM, Kyiv (Ukraine)
  • 3. OOO NPP 'Sumyvneshservis', Sumy (Ukraine)

Description

The paper present analysis of challenges encountered during maintenance of the reactor coolant pump (RCP) main connector and explains the necessity of RCP service modernization. The multistage hydraulic wrench was produced and patented to solve certain issues during the operation. Automatic axis centering with the pump connector is the main operation principle the device is based on. Body studs are gripped and pulled, device automatically tightens the studs set moment then removing the tensile forces. The article given a detailed description and principles of device operation

Additional details

Additional titles

Original title (Russian)
Повышение уровня безопасности и экономической еффективности AEhS путем модернизации процесса обслуживания главного циркуляционного насоса

Publishing Information

Journal Title
Yaderna ta Radyiatsyijna Bezpeka
Journal Issue
no.4
Journal Page Range
p. 26-30
ISSN
2073-6231

INIS

Country of Publication
Ukraine
Country of Input or Organization
Ukraine
INIS RN
46029330
Subject category
S22: GENERAL STUDIES OF NUCLEAR REACTORS; S42: ENGINEERING;
Descriptors DEI
CENTRIFUGAL PUMPS; CONNECTORS; ECONOMICS; EFFICIENCY; ENGINEERED SAFETY SYSTEMS; HYDRAULIC EQUIPMENT; NUCLEAR POWER PLANTS; REACTOR MAINTENANCE; REACTOR SAFETY
Descriptors DEC
CONDUCTOR DEVICES; ELECTRICAL EQUIPMENT; EQUIPMENT; MAINTENANCE; NUCLEAR FACILITIES; POWER PLANTS; PUMPS; SAFETY; THERMAL POWER PLANTS