Manufacturing the Reactor Pressure Vessel Head Lifting Device for a European Nuclear Power Plant

Industry: Nuclear Energy

Region: Europe

Service: Build to Spec – Reactor Pressure Vessel Head Lifting Device

Overview

For a European nuclear power plant project providing zero-carbon electricity to approximately six million homes, CNIM Asia was tasked with the construction of the Reactor Pressure Vessel (RPV) head lifting device. This critical equipment plays a vital role in the maintenance and inspection of the nuclear reactor.

Challenge

The project required the design and manufacture of a complex lifting device that included:

• RPV Closure Head Lifting Device: Essential for moving the RPV closure head.

• Multi Stud Tensioning Machine (MSTM): For securing and releasing the RPV closure head.

• Movable Thermal Insulation: Ensuring the insulation of the RPV closure head during operations.

• Working Platform: Providing access for inspection and maintenance of the RPV closure head, Control Rod Drive Mechanisms (CRDMs), and incore instrumentation.

• Cable Routing Structure: For power and instrumentation cables.

Meeting the high standards of the nuclear industry, including rigorous safety and quality requirements, was crucial.

Solution

Design and Manufacturing

CNIM Asia leveraged its expertise in high-precision engineering and robust quality systems to deliver a reliable and efficient solution. Key aspects of the project included:

• Customized Design: Developing a lifting device tailored to the specific requirements of the RPV closure head.

• Advanced Manufacturing Techniques: Utilizing state-of-the-art manufacturing processes to ensure precision and quality.

• Factory Load Testing: Conducting comprehensive load testing as part of the factory acceptance protocols to verify the device’s performance and safety.

Supply Chain and Quality System

By utilizing a well-established supply chain network and stringent quality control measures, CNIM Asia ensured the delivery of high-quality products at competitive prices. This approach included:

• Supplier Collaboration: Working closely with suppliers to source high-quality materials and components.

• Quality Assurance: Implementing rigorous quality checks throughout the manufacturing process to maintain the highest standards.

Outcome

CNIM Asia successfully manufactured and tested the Reactor Pressure Vessel head lifting device, ensuring it met all specifications and safety requirements. The device is now set to play a crucial role in the inspection and maintenance operations of the nuclear power plant, contributing to the delivery of zero-carbon electricity to millions of homes.

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