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Patent
China Nuclear Power Engineering Co. and China General Nuclear Power Group | Date: 2016-10-11

The present invention provides a compound mobile communication method for a nuclear power plant, including the steps of: receiving a communication signal sent by a base station in a restricted area or an unrestricted area, the communication signal including a coded-modulation optical signal and/or an electromagnetic wave signal; judging the communication signal received; and reducing transmission power or not transmitting the electromagnetic wave signal if the communication signal is a coded-modulation optical signal or a wireless electromagnetic wave communication signal sent by a base station in the restricted area. The compound mobile communication method for a nuclear power plant of the present invention can meet the requirements of mobile communication in special places without electromagnetic interference. The present invention also provides a compound mobile communication terminal and system for a nuclear power plant.


Patent
China Nuclear Power Engineering Co., Tsinghua University and China General Nuclear Power Group | Date: 2017-01-04

The present invention provides a method for producing B4C/Al neutron-absorbing material sheet by continuous cast rolling including the steps of: 1) providing B4C particles and aluminum matrix melt, adding the B4C particles into the aluminum matrix melt while stirring the composite of the B4C particles and the aluminum matrix melt; 2) applying an electromagnetic field to the B4C particle-containing aluminum matrix melt passing through a headbox; 3) applying an ultrasonic vibration to the B4C particle-containing aluminum matrix melt passing through a casting nozzle; and 4) conducing twin roll continuous cast rolling on the B4C particle-containing aluminum matrix melt from the casting nozzle to obtain B4C/Al neutron-absorbing material sheet. The method of the present invention uses twin roll continuous cast rolling under coupled ultrasonic and electromagnetic oscillation to rapidly cool and refine the grains of the solidified composite material and realize uniform distribution of B4C particles in the aluminum matrix.


Patent
China Nuclear Power Engineering Co. and China General Nuclear Power Group | Date: 2017-02-15

The present invention provides a compound mobile communication method for a nuclear power plant, including the steps of: receiving a communication signal sent by a base station in a restricted area or an unrestricted area, the communication signal including a coded-modulation optical signal and/or an electromagnetic wave signal; judging the communication signal received; and reducing transmission power or not transmitting the electromagnetic wave signal if the communication signal is a coded-modulation optical signal or a wireless electromagnetic wave communication signal sent by a base station in the restricted area. The compound mobile communication method for a nuclear power plant of the present invention can meet the requirements of mobile communication in special places without electromagnetic interference. The present invention also provides a compound mobile communication terminal and system for a nuclear power plant.


Patent
China Nuclear Power Engineering Co., China General Nuclear Power Group and China Nuclear Power Technology Research Institute | Date: 2010-05-21

A method for joint configuration of nuclear power plant fuel includes the following steps: (S1) for at least one operating unit, based on an equilibrium cycle or transition cycle reactor core design, at least one new fuel element is added to at least one operating unit; (S2) after running a combustion cycle, and on basis of the new fuel elements in step (S1), more first spent fuel elements are obtained from the at least one operating unit than are obtained from the equilibrium cycle or transition cycle reactor core design, and said first spent fuel elements are kept in reserve; (S3) for at least one new starting unit, a scheduled number of new fuel elements, as well as the first spent fuel elements obtained for reserve in step (S2), are set in the first reactor cores of at least one new starting unit.


Patent
China Nuclear Power Engineering Co. and China General Nuclear Power Group | Date: 2014-10-01

A special purpose mobile communication terminal is provided. The special purpose mobile communication terminal includes: a receiver unit, configured to receive a first mobile communication signal and a second mobile communication signal respectively transmitted from base stations in a restricted area and an unrestricted area; and a control unit, configured to judge the mobile communication signals received by the receiver unit, the control unit being configured to reduce a transmitting power or not transmit an electromagnetic signal if the first mobile communication signal is received and a signal strength of the first communication signal is greater than a predetermined threshold value, and the control unit being configured to transmit an electromagnetic signal if the signal strength of the first mobile communication signal is less than the predetermined threshold value and the second mobile communication signal is received.


Patent
China Nuclear Power Engineering Co., Tsinghua University and China General Nuclear Power Group | Date: 2016-07-27

The present invention provides a method for producing B4C/Al neutron-absorbing material sheet by continuous cast rolling including the steps of: 1) providing B4C particles and aluminum matrix melt, adding the B4C particles into the aluminum matrix melt while stirring the composite of the B4C particles and the aluminum matrix melt; 2) applying an electromagnetic field to the B4C particle-containing aluminum matrix melt passing through a headbox; 3) applying an ultrasonic vibration to the B4C particle-containing aluminum matrix melt passing through a casting nozzle; and 4) conducing twin roll continuous cast rolling on the B4C particle-containing aluminum matrix melt from the casting nozzle to obtain B4C/Al neutron-absorbing material sheet. The method of the present invention uses twin roll continuous cast rolling under coupled ultrasonic and electromagnetic oscillation to rapidly cool and refine the grains of the solidified composite material and realize uniform distribution of B4C particles in the aluminum matrix.


Patent
China Nuclear Power Engineering Co., China Nuclear Power Technology Research Institute and China General Nuclear Power Group | Date: 2012-04-04

A method for joint configuration of nuclear power plant fuel includes the following steps: (S1) for at least one operating unit, based on an equilibrium cycle or transition cycle reactor core design, at least one new fuel element is added to at least one operating unit; (S2) after running a combustion cycle, and on basis of the new fuel elements in step (S1), more first spent fuel elements are obtained from the at least one operating unit than are obtained from the equilibrium cycle or transition cycle reactor core design, and said first spent fuel elements are kept in reserve; (S3) for at least one new starting unit, a scheduled number of new fuel elements, as well as the first spent fuel elements obtained for reserve in step (S2), are set in the first reactor cores of at least one new starting unit.


Patent
China Nuclear Power Engineering Co. and China General Nuclear Power Group | Date: 2016-04-06

A special purpose mobile communication terminal is provided. The special purpose mobile communication terminal includes: a receiver unit, configured to receive a first mobile communication signal and a second mobile communication signal respectively transmitted from base stations in a restricted area and an unrestricted area; and a control unit, configured to judge the mobile communication signals received by the receiver unit, the control unit being configured to reduce a transmitting power or not transmit an electromagnetic signal if the first mobile communication signal is received and a signal strength of the first communication signal is greater than a predetermined threshold value, and the control unit being configured to transmit an electromagnetic signal if the signal strength of the first mobile communication signal is less than the predetermined threshold value and the second mobile communication signal is received.


La filiale à 100% de Velan Inc basée à Lyon, France, a obtenu d'importants contrats pour la fourniture de robinetterie nucléaire à China Nuclear Power Engineering Corporation (CNPEC), China Nuclear Power Engineering Co. Ltd. (CNPE), China Nuclear Energy Industry Corporation (CNEIC), et State Nuclear Power Engineering Corporation Ltd (SNPEC). Ces commandes de robinetterie nucléaire représentent une valeur d'environ 36 millions de dollars américains (33 millions d'euros), enregistrés au carnet de commandes de l'exercice 2016-2017. La livraison de ces équipements est prévue entre 2018 et 2019. Pour CNPEC, les commandes de robinetterie sont destinées aux deux réacteurs de dernière génération Hualong HPR1000 des unités 3 et 4 de Fangchengang. Cette fourniture de robinetterie nucléaire forgée sensible comprend des robinets-vannes et des robinets à soupape haute pression à commande électrique, ainsi que des clapets de non-retour. Pour CNPE and CNEIC, toutes deux appartenant au groupe China National Nuclear Corporation (« CNNC »), Velan France a obtenu des commandes pour la fourniture de robinetterie classée nucléaire destinée aux deux nouvelles centrales nucléaires en construction dans la province du Jiangsu, à Tianwan tranches 5 et 6. La fourniture comprend principalement de la robinetterie forgée haute pression équipée d'actionneurs électriques ou pneumatiques devant être installés à l'intérieur du bâtiment réacteur. Velan France a signé plusieurs contrats avec SNPEC pour la fourniture de matériels de robinetterie ASME classe 1 qui équiperont les nouveaux réacteurs CAP1400 situés à Rongsheng tranches 1 et 2, et pour 6 réacteurs CAP1000 situés à Sanmen tranches 3 et 4, Haiyang tranches 3 et 4, et Lufeng tranches 1 et 2. Michel Monier, Directeur Nucléaire-Chine chez Velan, a déclaré: ''En 1970, Velan a été la première société à obtenir la certification ASME N stamp. Aujourd'hui, Velan dispose de trois usines certifiées ASME, en Amérique du Nord et en France. C'est très motivant de travailler à ces projets ASME en Chine, car ces nouveaux projets CAP1400 et CAP1000 représenteront une part importante du futur de l'industrie nucléaire en Chine. Avec ces nouvelles commandes, la robinetterie Velan a été sélectionnée pour plus de 60 centrales nucléaires chinoises." Tom Velan, CEO de Velan Inc., a déclaré: "La plupart des nouveaux projets nucléaires lancés en Chine sont de conception avancée Génération 3, ce qui nécessite des matériels de robinetterie très fiables et les plus éprouvés possible. Compte tenu de la longue expérience de Velan dans cette industrie extrêmement exigeante, la société est bien positionnée pour offrir des produits de haute qualité au meilleur cout possible. Et nous sommes très honorés de partager notre expertise technique avec les instituts de conception chinois avec qui nous travaillons." À propos de Velan: Velan Inc. (www.velan.com) est l'un des principaux fabricants de robinetterie industrielle au monde, et a réalisé un chiffre d'affaires de 426.9 millions de dollars américains à son plus récent exercice. La Société compte environ 1 900 employés et exploite des usines dans neuf pays. Velan Inc. est une société publique dont les actions sont cotées de la Bourse de Toronto sous le symbole VLN. Ce communiqué peut contenir des renseignements et des énoncés de nature prospective concernant la performance future de Velan Inc. et de ses filiales. Ces énoncés sont fondés sur des hypothèses et des facteurs comportant des incertitudes, de même que sur la meilleure évaluation possible par la direction d'événements futurs. Par conséquent, le lecteur doit prendre note que les résultats réels pourraient différer des résultats prévus.


News Article | November 29, 2016
Site: www.marketwired.com

Velan Inc.'s wholly owned subsidiary located in Lyon, France, has been awarded important contracts for the supply of nuclear class valves to China Nuclear Power Engineering Corporation (CNPEC), China Nuclear Power Engineering Co. Ltd. (CNPE), China Nuclear Energy Industry Corporation (CNEIC), and State Nuclear Power Engineering Corporation Ltd (SNPEC). These nuclear valve orders represent a sales value of about US$36 million (EUR33 million) recorded in backlog of the 2016-2017 fiscal year. The valves are scheduled for delivery from 2018 until 2019. For CNPEC, the orders are for valves for the two new generation Hualong HPR1000 nuclear plants of Fangchengang Units 3 and 4. The scope of supply consists of critical nuclear-classified forged valves, and high-pressure gate, globe, and check valves with electric actuators. For CNPE and CNEIC, both of which are part of the China National Nuclear Corporation (CNNC), Velan France received orders for the supply of nuclear-classified valves for the two new nuclear power plants to be built in Jiangsu province, at Tianwan Units 5 and 6. The scope of supply is mainly high-pressure forged valves with electric or pneumatic actuators for service inside nuclear containment vessels. Velan France signed contracts with SNPEC for the supply of ASME Class 1 valves for the new reactors CAP1400 located in Rongsheng Units 1 and 2, and for 6 reactors CAP1000 located in Sanmen Units 3 and 4, Haiyang Units 3 and 4, and Lufeng Units 1 and 2. Michel Monier, Director of Nuclear-China at Velan, stated: "Velan was the very first valve company to get N stamp approval from ASME in 1970. Today, Velan has three manufacturing plants certified to ASME in North America and in France. It is really exciting to work on ASME nuclear projects in China, especially since the new CAP1400 and CAP1000 projects represent a significant part of the future of the nuclear industry in China. With these new orders, Velan valves have now been selected for over 60 Chinese nuclear power plants." Tom Velan, CEO of Velan Inc., stated: "Most new nuclear projects launched in China are Generation 3 advanced design, where only the most reliable, proven valves are selected. Given Velan's long history in this highly demanding industry, the company is well positioned to offer high-quality and cost-effective products. And we are honored to share our technical expertise with the Chinese design institutes with whom we work." About Velan: Velan Inc. (www.velan.com) is a world-leading manufacturer of industrial valves with sales of US$426.9m in its last reported fiscal year. The company employs approximately 1,900 people and has manufacturing plants in nine countries. Velan Inc. is a public company with its shares listed on the Toronto Stock Exchange under the symbol VLN. This press release may contain information and statements of a forward-looking nature concerning the future performance of Velan Inc. and its subsidiaries. These statements are based on suppositions and uncertainties as well as on management's best possible evaluation of future events. As a result, readers are advised that actual results may differ from expected results.

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