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1. 发明授权

US07970094B2 Nuclear power plant and operation method thereof 有权
标题翻译：核电厂及其运行方法
公开(公告)号：US07970094B2
公开(公告)日：2011-06-28
申请号：US11968502
申请日：2008-01-02
申请人： Kazuaki Kitou , Masao Chaki , Kouji Shiina , Motoo Aoyama , Masaya Ohtsuka , Masayuki Nagasawa , Minoru Okura , Seiji Nemoto , Yasuhiro Takahashi
发明人： Kazuaki Kitou , Masao Chaki , Kouji Shiina , Motoo Aoyama , Masaya Ohtsuka , Masayuki Nagasawa , Minoru Okura , Seiji Nemoto , Yasuhiro Takahashi
IPC分类号： G21C7/00 , G21C17/00 , G21C7/32
CPC分类号： G21C1/08 , G21D3/00 , G21Y2002/201 , G21Y2004/30 , G21Y2004/40 , Y02E30/39
摘要： A nuclear power plant and method of operation for augmenting a second reactor thermal power output in a second operation cycle to a level larger than a first reactor thermal power output in the previous operation cycle. The plant is equipped, for example, with a reactor; a steam loop comprising high and low pressure turbines; a condenser for condensing steam discharged therefrom the low pressure turbine; a feedwater heater for heating feedwater supplied from the condenser; and a feedwater loop for leading feedwater discharged from the feedwater heater to the reactor. The operation method includes decreasing a ratio of extraction steam which is led to the feedwater heater from a steam loop in the second operation cycle.
摘要翻译：一种核电站和操作方法，用于在第二操作周期中将第二反应堆热功率输出增加到大于先前操作周期中的第一反应堆热功率输出的水平。该工厂装备有例如反应堆; 包括高压和低压涡轮机的蒸汽回路; 用于冷凝从其排出的蒸汽的冷凝器; 用于加热从冷凝器供给的给水的给水加热器; 以及用于从给水加热器排放到反应器的引导给水的给水回路。操作方法包括在第二操作循环中从蒸汽回路减少引导给水加热器的抽取蒸汽的比例。

2. 发明申请

US20080181349A1 Nuclear Power Plant and Operation Method Thereof 有权
标题翻译：核电厂及其运行方式
公开(公告)号：US20080181349A1
公开(公告)日：2008-07-31
申请号：US11968502
申请日：2008-01-02
申请人： Kazuaki Kitou , Masao Chaki , Kouji Shiina , Motoo Aoyama , Masaya Ohtsuka , Masayuki Nagasawa , Minoru Okura , Seiji Nemoto , Yasuhiro Takahashi
发明人： Kazuaki Kitou , Masao Chaki , Kouji Shiina , Motoo Aoyama , Masaya Ohtsuka , Masayuki Nagasawa , Minoru Okura , Seiji Nemoto , Yasuhiro Takahashi
IPC分类号： G21C7/32
CPC分类号： G21C1/08 , G21D3/00 , G21Y2002/201 , G21Y2004/30 , G21Y2004/40 , Y02E30/39
摘要： A nuclear power plant and method of operation for augmenting a second reactor thermal power output in a second operation cycle to a level larger than a first reactor thermal power output in the previous operation cycle. The plant is equipped, for example, with a reactor; a steam loop comprising high and low pressure turbines; a condenser for condensing steam discharged therefrom the low pressure turbine; a feedwater heater for heating feedwater supplied from the condenser; and a feedwater loop for leading feedwater discharged from the feedwater heater to the reactor. The operation method includes decreasing a ratio of extraction steam which is led to the feedwater heater from a steam loop in the second operation cycle.
摘要翻译：一种核电站和操作方法，用于在第二操作周期中将第二反应堆热功率输出增加到大于先前操作周期中的第一反应堆热功率输出的水平。该工厂装备有例如反应堆; 包括高压和低压涡轮机的蒸汽回路; 用于冷凝从其排出的蒸汽的冷凝器; 用于加热从冷凝器供给的给水的给水加热器; 以及用于从给水加热器排放到反应器的引导给水的给水回路。操作方法包括在第二操作循环中从蒸汽回路减少引导给水加热器的抽取蒸汽的比例。

3. 发明授权

US07333584B2 Nuclear power plant and operation method thereof 有权
标题翻译：核电厂及其运行方法
公开(公告)号：US07333584B2
公开(公告)日：2008-02-19
申请号：US11033953
申请日：2005-01-13
申请人： Kazuaki Kitou , Masao Chaki , Kouji Shina , Motoo Aoyama , Masaya Ohtsuka , Masayuki Nagasawa , Minoru Okura , Seiji Nemoto , Yasuhiro Takahashi
发明人： Kazuaki Kitou , Masao Chaki , Kouji Shina , Motoo Aoyama , Masaya Ohtsuka , Masayuki Nagasawa , Minoru Okura , Seiji Nemoto , Yasuhiro Takahashi
IPC分类号： G21C7/00
CPC分类号： G21C1/08 , G21D3/00 , G21Y2002/201 , G21Y2004/30 , G21Y2004/40 , Y02E30/39
摘要： A nuclear power plant and method of operation for augmenting a second reactor thermal power output in a second operation cycle to a level larger than a first reactor thermal power output in the previous operation cycle. The plant is equipped, for example, with a reactor; a steam loop comprising high and low pressure turbines; a condenser for condensing steam discharged therefrom the low pressure turbine; a feedwater heater for heating feedwater supplied from the condenser; and a feedwater loop for leading feedwater discharged from the feedwater heater to the reactor. The operation method includes decreasing a ratio of extraction steam which is led to the feedwater heater from a steam loop in the second operation cycle.
摘要翻译：一种核电站和操作方法，用于在第二操作周期中将第二反应堆热功率输出增加到大于先前操作周期中的第一反应堆热功率输出的水平。该工厂装备有例如反应堆; 包括高压和低压涡轮机的蒸汽回路; 用于冷凝从其排出的蒸汽的冷凝器; 用于加热从冷凝器供给的给水的给水加热器; 以及用于从给水加热器排放到反应器的引导给水的给水回路。操作方法包括在第二操作循环中从蒸汽回路减少引导给水加热器的抽取蒸汽的比例。

4. 发明申请

US20050220253A1 Nuclear power plant and operation method thereof 有权
标题翻译：核电厂及其运行方法
公开(公告)号：US20050220253A1
公开(公告)日：2005-10-06
申请号：US11033953
申请日：2005-01-13
申请人： Kazuaki Kitou , Masao Chaki , Kouji Shina , Motoo Aoyama , Masaya Ohtsuka , Masayuki Nagasawa , Minoru Okura , Seiji Nemoto , Yasuhiro Takahashi
发明人： Kazuaki Kitou , Masao Chaki , Kouji Shina , Motoo Aoyama , Masaya Ohtsuka , Masayuki Nagasawa , Minoru Okura , Seiji Nemoto , Yasuhiro Takahashi
IPC分类号： G21C1/08 , G21C19/00 , G21D3/00
CPC分类号： G21C1/08 , G21D3/00 , G21Y2002/201 , G21Y2004/30 , G21Y2004/40 , Y02E30/39
摘要： A nuclear power plant of the invention is equipped, for example, with a reactor; a steam loop comprising high and low pressure turbines; a condenser for condensing steam discharged therefrom the low pressure turbine; a feedwater heater for heating feedwater supplied from the condenser; and a feedwater loop for leading feedwater discharged from the feedwater heater to the reactor, and an operation method thereof is characterized by augmenting a second reactor thermal power output in a second operation cycle of the reactor larger than a first reactor thermal power output in a first operation cycle; and making an increase ratio of extraction steam, which is led to the feedwater heater with being extracted from the steam loop, in the second operation cycle for the first operation cycle smaller than an increase ratio of the second reactor thermal power output for the first reactor thermal power output.
摘要翻译：本发明的核电站例如配备有反应器; 包括高压和低压涡轮机的蒸汽回路; 用于冷凝从其排出的蒸汽的冷凝器; 用于加热从冷凝器供给的给水的给水加热器; 以及用于从给水加热器排放到反应器的引导给水的给水回路及其操作方法的特征在于，在反应器的第二操作循环中增加第二反应堆热功率输出，其大于第一反应堆热功率输出操作周期; 并且在第一操作循环的第二操作循环中，使第一反应器的第二反应堆热功率输出的增加比率小于从蒸汽回路引出的给水加热器的提取比例增加火力输出。

5. 发明授权

US08291704B2 Operation method of nuclear power plant 有权
标题翻译：核电厂运行方式
公开(公告)号：US08291704B2
公开(公告)日：2012-10-23
申请号：US13046329
申请日：2011-03-11
申请人： Masao Chaki , Kazuaki Kitou , Motoo Aoyama , Masaya Ootsuka , Kouji Shiina
发明人： Masao Chaki , Kazuaki Kitou , Motoo Aoyama , Masaya Ootsuka , Kouji Shiina
IPC分类号： G21D5/00 , F01K7/34
CPC分类号： G21C1/084 , G21D1/02 , G21D3/00 , G21Y2002/201 , G21Y2002/304 , G21Y2004/30 , G21Y2004/40 , Y02E30/31 , Y02E30/39
摘要： In a nuclear power plant, thermal power in a second operation cycle of a nuclear reactor is uprated from thermal power in a first operation cycle preceding the second operation cycle by at least one operation cycle. A proportion of steam extracted from a steam system and introduced to a feedwater heater, which is in particular extracted from an intermediate point and an outlet of a high pressure turbine, with respect to a flow rate of main steam, is reduced in the second operation cycle from that in the first operation cycle such that the temperature of feedwater discharged from the feedwater heater is lowered by 1° C. to 40° C. in the second operation cycle.
摘要翻译：在核电站中，核反应堆的第二操作循环中的热功率在第二操作周期之前的第一操作周期内从热功率上升至少一个操作周期。在蒸汽系统中提取的蒸汽的比例相对于主蒸汽的流量被引入特定从高压汽轮机的中间点和出口抽出的给水加热器在第二操作循环，从而在第二操作循环中使得从给水加热器排出的给水温度降低1℃至40℃。

6. 发明申请

US20110162364A1 OPERATION METHOD OF NUCLEAR POWER PLANT 有权
公开(公告)号：US20110162364A1
公开(公告)日：2011-07-07
申请号：US13046329
申请日：2011-03-11
申请人： Masao Chaki , Kazuaki Kitou , Motoo Aoyama , Masaya Ootsuka , Kouji Shiina
发明人： Masao Chaki , Kazuaki Kitou , Motoo Aoyama , Masaya Ootsuka , Kouji Shiina
IPC分类号： G21D5/00 , F01K23/02
CPC分类号： G21C1/084 , G21D1/02 , G21D3/00 , G21Y2002/201 , G21Y2002/304 , G21Y2004/30 , G21Y2004/40 , Y02E30/31 , Y02E30/39
摘要： In a nuclear power plant, thermal power in a second operation cycle of a nuclear reactor is uprated from thermal power in a first operation cycle preceding the second operation cycle by at least one operation cycle. A proportion of steam extracted from a steam system and introduced to a feedwater heater, which is in particular extracted from an intermediate point and an outlet of a high pressure turbine, with respect to a flow rate of main steam, is reduced in the second operation cycle from that in the first operation cycle such that the temperature of feedwater discharged from the feedwater heater is lowered by 1° C. to 40° C. in the second operation cycle.

7. 发明授权

US07614233B2 Operation method of nuclear power plant 有权
标题翻译：核电厂运行方式
公开(公告)号：US07614233B2
公开(公告)日：2009-11-10
申请号：US11340643
申请日：2006-01-27
申请人： Masao Chaki , Kazuaki Kitou , Motoo Aoyama , Masaya Ootsuka , Kouji Shiina
发明人： Masao Chaki , Kazuaki Kitou , Motoo Aoyama , Masaya Ootsuka , Kouji Shiina
IPC分类号： G21D5/00
CPC分类号： G21C1/084 , G21D1/02 , G21D3/00 , G21Y2002/201 , G21Y2002/304 , G21Y2004/30 , G21Y2004/40 , Y02E30/31 , Y02E30/39
摘要： In a nuclear power plant, thermal power in a second operation cycle of a nuclear reactor is uprated from thermal power in a first operation cycle preceding the second operation cycle by at least one operation cycle. A proportion of steam extracted from a steam system and introduced to a feedwater heater, which is in particular extracted from an intermediate point and an outlet of a high pressure turbine, with respect to a flow rate of main steam, is reduced in the second operation cycle from that in the first operation cycle such that the temperature of feedwater discharged from the feedwater heater is lowered by 1° C. to 40° C. in the second operation cycle.
摘要翻译：在核电站中，核反应堆的第二操作循环中的热功率在第二操作周期之前的第一操作周期内从热功率上升至少一个操作周期。在蒸汽系统中提取的蒸汽的比例相对于主蒸汽的流量被引入特定从高压汽轮机的中间点和出口抽出的给水加热器在第二操作循环，从而在第二操作循环中使得从给水加热器排出的给水温度降低1℃至40℃。

8. 发明授权

US07997078B2 Operation method of nuclear power plant 有权
标题翻译：核电厂运行方式
公开(公告)号：US07997078B2
公开(公告)日：2011-08-16
申请号：US12574219
申请日：2009-10-06
申请人： Masao Chaki , Kazuaki Kitou , Motoo Aoyama , Masaya Ootsuka , Kouji Shiina
发明人： Masao Chaki , Kazuaki Kitou , Motoo Aoyama , Masaya Ootsuka , Kouji Shiina
IPC分类号： G21D5/00 , F01K7/34
CPC分类号： G21C1/084 , G21D1/02 , G21D3/00 , G21Y2002/201 , G21Y2002/304 , G21Y2004/30 , G21Y2004/40 , Y02E30/31 , Y02E30/39
摘要： In a nuclear power plant, thermal power in a second operation cycle of a nuclear reactor is uprated from thermal power in a first operation cycle preceding the second operation cycle by at least one operation cycle. A proportion of steam extracted from a steam system and introduced to a feedwater heater, which is in particular extracted from an intermediate point and an outlet of a high pressure turbine, with respect to a flow rate of main steam, is reduced in the second operation cycle from that in the first operation cycle such that the temperature of feedwater discharged from the feedwater heater is lowered by 1° C. to 40° C. in the second operation cycle.
摘要翻译：在核电站中，核反应堆的第二操作循环中的热功率在第二操作周期之前的第一操作周期内从热功率上升至少一个操作周期。在蒸汽系统中提取的蒸汽的比例相对于主蒸汽的流量被引入特定从高压汽轮机的中间点和出口抽出的给水加热器在第二操作循环，从而在第二操作循环中使得从给水加热器排出的给水温度降低1℃至40℃。

9. 发明申请

US20070000250A1 Operation method of nuclear power plant 有权
标题翻译：核电厂运行方式
公开(公告)号：US20070000250A1
公开(公告)日：2007-01-04
申请号：US11340643
申请日：2006-01-27
申请人： Masao Chaki , Kazuaki Kitou , Motoo Aoyama , Masaya Ootsuka , Kouji Shiina
发明人： Masao Chaki , Kazuaki Kitou , Motoo Aoyama , Masaya Ootsuka , Kouji Shiina
IPC分类号： G21D5/00
CPC分类号： G21C1/084 , G21D1/02 , G21D3/00 , G21Y2002/201 , G21Y2002/304 , G21Y2004/30 , G21Y2004/40 , Y02E30/31 , Y02E30/39
摘要： A nuclear power plant and an operation method of the nuclear power plant, which can uprate plant power without greatly modifying the construction of plant equipment, while keeping a core's pressure loss characteristic, a safety margin, and a design margin in the transient state substantially the same as those before the power uprate. Thermal power in a second operation cycle of a nuclear reactor is uprated from thermal power in a first operation cycle preceding the second operation cycle at least one operation cycle. A proportion of steam extracted from a steam system and introduced to a feedwater heater, which is in particular extracted from an intermediate point and an outlet of a high pressure turbine, with respect to a flow rate of main steam is reduced in the second operation cycle from that in the first operation cycle such that temperature of feedwater discharged from the feedwater heater lowers in the range of 1° C. to 40° C. in the second operation cycle.
摘要翻译：一个核电站和核电厂的运行方式，可以在不大幅度修改工厂设备的情况下，提高设备功率，同时保持核心的压力损失特性，安全裕量和瞬态状态下的设计余量与上电前相同。核反应堆的第二操作循环中的热功率在第二操作循环之前的第一操作循环中从热功率升高至少一个操作周期。在第二操作循环中，相对于主蒸汽的流量，从蒸汽系统提取并被引入特定从高压涡轮的中间点和出口抽出的给水加热器的一部分蒸汽减少从第一操作循环中的过程中，使得从给水加热器排出的给水温度在第二操作循环中在1℃至40℃的范围内降低。

10. 发明授权

US08453451B2 Operation method of nuclear power plant 有权
公开(公告)号：US08453451B2
公开(公告)日：2013-06-04
申请号：US13046294
申请日：2011-03-11
申请人： Masao Chaki , Kazuaki Kitou , Motoo Aoyama , Masaya Ootsuka , Kouji Shiina
发明人： Masao Chaki , Kazuaki Kitou , Motoo Aoyama , Masaya Ootsuka , Kouji Shiina
IPC分类号： G21D5/00
CPC分类号： G21C1/084 , G21D1/02 , G21D3/00 , G21Y2002/201 , G21Y2002/304 , G21Y2004/30 , G21Y2004/40 , Y02E30/31 , Y02E30/39
摘要： In a nuclear power plant, thermal power in a second operation cycle of a nuclear reactor is uprated from thermal power in a first operation cycle preceding the second operation cycle by at least one operation cycle. A proportion of steam extracted from a steam system and introduced to a feedwater heater, which is in particular extracted from an intermediate point and an outlet of a high pressure turbine, with respect to a flow rate of main steam, is reduced in the second operation cycle from that in the first operation cycle such that the temperature of feedwater discharged from the feedwater heater is lowered by 1° C. to 40° C. in the second operation cycle.

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