Heat Exchanger World Magazine April 2023 | Page 15

Industry News
Hot functional testing begins at Vogtle 4 SECO / WARWICK Group : A nuclear family
Georgia Power has announced that the last series of major tests ahead of initial fuel load is underway at the second new nuclear unit at the site near Waynesboro , Georgia . Hot functional testing verifies the successful operation of reactor components and systems together and confirms the reactor is ready for fuel load . Tests are carried out under the temperatures and pressures that the reactor systems will be subjected to during normal operation , but without nuclear fuel inside the reactor . The heat generated by the unit ’ s four reactor coolant pumps will be used to raise the temperature and pressure of plant systems to normal operating levels , Georgia
Power said . Once these are achieved and sustained , the unit ’ s main turbine will be raised to normal operating speed using steam from the plant . During the series of tests , nuclear operators will be able to exercise and validate procedures as required ahead of fuel load . Construction of Vogtle 4 - the second of two Westinghouse AP1000 units at the Vogtle site , already home to two operating pressurised water reactors began in November 2013 . Timelines issued by the company earlier this year have suggested that fuel loading is envisaged in June , and the company says it is projected to enter service in “ late fourth quarter 2023 or first quarter 2024 ”.
On the eve of its sixth decade in business , SECO / WARWICK Group ’ s three American divisions are proud to have participated in delivering technologies that support emerging energy markets , keeping North America ’ s lights on and its utilities humming . The latest contract with the energy firm is just the most recent of the Group ’ s combined experience supporting the metallurgical needs of the nuclear power industry and related sciences . The Vector 6VP-9912 horizontalloading furnace has a workload size of 36 ” x 36 ” x 48 ” deep and a 1497-kg capacity and is designed with a 6-bar high-pressure gas quench and all-metal hot zone , allowing for rapid quenching and deep vacuum heat treating applications . The customer has existing in-house heat treating but is looking to upgrade
their capabilities with vacuum furnace technologies . This will be their first furnace from Seco / Vacuum . Seco / Vacuum was awarded the contract due to its proven expertise in nuclear applications and in manufacturing furnace systems that meet the customer ’ s strict processing requirements . Seco / Vacuum also recently completed the largest of their contributions to nuclear energy research to date , a heat-treat furnace for General Atomics ’ contribution to the superconducting central solenoid magnet for the ITER fusion reactor . Seco / Vacuum supplied the Karlsruhe Institute of Technology with a custom 12-meter vertical rotary retort furnace for heat-treating gyrotron parts as their contribution to the ITER experimental fusion reactor .

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