In July 21st seventeen, Chongqing Sichuan Instrument Factory Co Ltd completed nuclear power relying on independent projects three unit 1 regulator electric heater all acceptance of the project, to achieve the objectives of independent production of the world's first AP1000 third generation nuclear power regulator of electric heater.
The company in 2009 April in the world's first third generation nuclear power plant AP1000 unit, high-profile China's third generation nuclear power self-reliance supporting project -- the first unit of Zhejiang three nuclear power plant unit 1 and the same period in the construction of the other three AP1000 unit equipment tender, with ratio of foreign companies in the delivery cycle, spare parts supply, installation commissioning service and price advantages, beat the United States CPS company and THERMOCOAX of France, signed a contract with the regulator electric heater, the state nuclear power technology engineering company, to break the monopoly of the developed country the long-term nuclear power equipment.
Regulator electric heater installed vertically in the heater casing is located in the lower head of pressurizer heater in the casing, welding and become a part of the pressure boundary in the head. The electric heater with a loop regulator device for auxiliary heating, take the "responsibility of cardiac pacemaker.". Under high pressure, extreme temperature, radiation dose, long-term stable operation in harsh test operation process.
Two years, the company set the power of the whole company, work together in harmony together, in support of the state nuclear power technology projects, and actively cooperate with the United States, according to the ASME standard and NQA-1 standard established nuclear quality assurance system, and Research on the current operating conditions by technical problems fast joint cable lead-out scheme. During the period, the company overcome the first contact with ASME standard, American NQA-1 Standard Specification and Westinghouse nuclear power does not agree with the NDT personnel and nuclear welder according to HAF standard mount guard card manufacturers, NDT personnel and nuclear welder must according to the standard of ASME permit posts and the execution of the contract and bidding requirements changes etc. the difficulties require manufacturers, manufacturing and the harsh environment test electric heater prototype was completed, finally realizes the product batch production, symbol of Chongqing Chuanyi nuclear power products formally entered the third generation nuclear power industry, have contributed to the localization of nuclear power construction and nuclear power industry security.
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