技术领域technical field
本发明涉及核电站管理技术领域，具体涉及一种基于核电站安全参数异常状态判断系统和方法。The invention relates to the technical field of nuclear power plant management, in particular to a system and method for judging an abnormal state based on safety parameters of a nuclear power plant.
背景技术Background technique
目前核电厂在运行的过程中，根据反应堆冷却剂系统的一些特征参数(压力、温度、水位等)将机组正常运行时所有可能的状态进行分类，可以分为不同的电厂模式或者不同的标准工况，针对不同的运行模式或者标准工况，有不同的运行限制和条件。At present, during the operation of nuclear power plants, according to some characteristic parameters (pressure, temperature, water level, etc.) For different operating modes or standard operating conditions, there are different operating restrictions and conditions.
现有技术中仅显示了核电厂在运行状态下的特征参数数值，但没有实现不同电厂模式下的安全(关键)参数异常状态的自动计算和处理的功能，这就需要操纵员对各电厂模式下的参数状态和阈值要求等掌握相当清楚，才能分析和判断出参数是否运行异常，且对安全参数进行实时监视和分析。The existing technology only shows the characteristic parameter values of the nuclear power plant in the operating state, but does not realize the function of automatic calculation and processing of the abnormal state of the safety (key) parameters in different power plant modes, which requires the operator to understand each power plant mode It is necessary to have a clear grasp of the parameter status and threshold requirements, etc., in order to analyze and judge whether the parameters are running abnormally, and to monitor and analyze the security parameters in real time.
因此，提供一种基于核电站安全参数异常状态判断系统和方法，根据电站不同电厂模式下安全参数阈值或报警抑制条件等不同控制要求，对安全参数运行状态进行自动计算和判断，实现不同运行模式下安全参数异常状态的自动监视和报警显示，以更智能高效地辅助操纵员安全、经济地运行电站，是现有技术亟待解决的问题。Therefore, a system and method for judging the abnormal status of safety parameters based on nuclear power plants is provided. According to different control requirements such as safety parameter thresholds or alarm suppression conditions in different power plant modes of the power station, the operating status of safety parameters is automatically calculated and judged, and the system and method are realized in different operating modes. The automatic monitoring and alarm display of the abnormal state of safety parameters to assist the operator to operate the power station safely and economically more intelligently and efficiently is an urgent problem to be solved in the existing technology.
发明内容Contents of the invention
本发明针对现有技术中仅显示了核电厂在运行状态下的特征参数数值，但没有实现不同电厂模式下的安全(关键)参数异常状态的自动计算和处理的功能，提供一种基于核电站安全参数异常状态判断系统和方法，根据电站不同电厂模式下安全参数阈值或报警抑制条件等不同控制要求，对安全参数运行状态进行自动计算和判断，实现不同运行模式下安全参数异常状态的自动监视和报警显示。The present invention only shows the characteristic parameter values of the nuclear power plant in the operating state in the prior art, but does not realize the function of automatic calculation and processing of the abnormal state of the safety (key) parameters in different power plant modes, and provides a nuclear power plant safety-based The system and method for judging abnormal states of parameters, according to different control requirements such as safety parameter thresholds or alarm suppression conditions in different power plant modes, automatically calculates and judges the operating states of safety parameters, and realizes automatic monitoring and monitoring of abnormal states of safety parameters in different operating modes. Alarm display.
本发明提供了一种基于核电站安全参数异常状态判断系统，包括：The invention provides a judging system based on abnormal state of nuclear power plant safety parameters, including:
获取模块，用于获取核电站实际工况的安全参数数值和运行模式值并传递；The obtaining module is used to obtain and transmit the safety parameter value and the operation mode value of the actual working condition of the nuclear power plant;
判断模块，与所述获取模块连接，用于判断所述安全参数数值是否在设定模式阈值范围内，并判断所述运行模式值是否与设定模式值一致，得出判断结果；A judging module, connected to the acquisition module, for judging whether the value of the security parameter is within the threshold range of the setting mode, and judging whether the value of the operation mode is consistent with the value of the setting mode, and obtaining a judging result;
参数异常确定模块，与所述判断模块连接，用于根据所述判断模块的判断结果确定所述安全参数是否处于异常状态。A parameter abnormality determining module, connected to the judging module, is used to determine whether the safety parameter is in an abnormal state according to the judging result of the judging module.
优选地，还包括：Preferably, it also includes:
警报模块，与所述参数异常确定模块连接，用于当所述参数异常确定模块确定所述安全参数处于异常状态时，发出警报。An alarm module, connected to the parameter abnormal determination module, is used to issue an alarm when the parameter abnormal determination module determines that the safety parameter is in an abnormal state.
优选地，所述获取模块包括：Preferably, the acquisition module includes:
第一获取单元，用于获取核电站实际工况下的安全参数数值并传递；The first acquisition unit is used to acquire and transfer the value of the safety parameter under the actual working condition of the nuclear power plant;
第二获取单元，用于获取核电站运行模式值并传递。The second obtaining unit is used to obtain and transfer the operating mode value of the nuclear power plant.
优选地，所述判断结果包括第一判断结果和第二判断结果，所述判断模块包括：Preferably, the judgment result includes a first judgment result and a second judgment result, and the judgment module includes:
第一判断单元，与所述第一获取单元连接，用于将所述安全参数数值与设定模式阈值进行比较，判断所述安全参数数值是否在设定模式阈值范围内，并得出第一判断结果；The first judging unit is connected with the first obtaining unit, and is used to compare the value of the safety parameter with the threshold value of the setting mode, judge whether the value of the safety parameter is within the range of the threshold value of the setting mode, and obtain the first critical result;
第二判断单元，与所述第二获取单元连接，用于将所述运行模式值与所述设定模式值比较，判断所述运行模式值是否与设定模式值一致，得出第二判断结果。A second judging unit, connected to the second acquiring unit, for comparing the operation mode value with the set mode value, judging whether the operation mode value is consistent with the set mode value, and obtaining a second judgment result.
优选地，所述参数异常确定模块的具体判断过程为：Preferably, the specific judgment process of the parameter abnormal determination module is:
当所述第一判断结果和第二判断结果都为“是”时，确定所述安全参数处于异常状态，否则，确定所述安全参数处于正常状态。When both the first judgment result and the second judgment result are "yes", it is determined that the safety parameter is in an abnormal state; otherwise, it is determined that the safety parameter is in a normal state.
本发明还提供了一种基于核电站安全参数异常状态判断方法，包括如下步骤:The present invention also provides a method for judging an abnormal state based on nuclear power plant safety parameters, comprising the steps of:
S1、获取核电站实际工况的安全参数数值和运行模式值并传递；S1. Obtain and transmit the safety parameter value and operation mode value of the actual working condition of the nuclear power plant;
S2、判断所述安全参数数值是否在设定模式阈值范围内，并判断所述运行模式值是否与设定模式值一致，得出判断结果；S2. Judging whether the value of the safety parameter is within the threshold range of the set mode, and judging whether the value of the operation mode is consistent with the value of the set mode, and obtaining a judgment result;
S3、根据所述步骤S2的判断结果确定所述安全参数是否处于异常状态。S3. Determine whether the safety parameter is in an abnormal state according to the judgment result of step S2.
优选地，还包括步骤：Preferably, it also includes the steps of:
S4、当所述步骤S3中确定所述安全参数处于异常状态时，发出警报。S4. When it is determined in the step S3 that the safety parameter is in an abnormal state, an alarm is issued.
优选地，所述步骤S1包括：Preferably, the step S1 includes:
S11、获取核电站实际工况下的安全参数数值并传递；S11. Obtain and transmit the value of the safety parameter under the actual working condition of the nuclear power plant;
S12、获取核电站运行模式值并传递；S12. Obtain and transmit the operating mode value of the nuclear power plant;
所述步骤S11和S12同时进行。The steps S11 and S12 are performed simultaneously.
优选地，所述步骤S2包括：Preferably, said step S2 includes:
S21、将所述安全参数数值与设定模式阈值进行比较，判断所述安全参数数值是否在设定模式阈值范围内，并得出第一判断结果；S21. Comparing the value of the safety parameter with the threshold value of the setting mode, judging whether the value of the safety parameter is within the threshold value range of the setting mode, and obtaining a first judgment result;
S22、将所述运行模式值与所述设定模式值比较，判断所述运行模式值是否与设定模式值一致，得出第二判断结果；S22. Comparing the operation mode value with the set mode value, judging whether the operation mode value is consistent with the set mode value, and obtaining a second judgment result;
所述步骤S21和S22同时进行。The steps S21 and S22 are performed simultaneously.
优选地，所述步骤S3具体为：当所述第一判断结果和第二判断结果都为“是”的情况下，确定所述安全参数处于异常状态，否则，确定所述安全参数处于正常状态。Preferably, the step S3 is specifically: when the first judgment result and the second judgment result are both "yes", determine that the safety parameter is in an abnormal state; otherwise, determine that the safety parameter is in a normal state .
本发明方案提供的一个或多个技术方案，至少具有如下技术效果或优点：能够根据电站不同电厂模式下安全参数阈值或报警抑制条件等不同控制要求，对安全参数运行状态进行自动计算和判断，实现不同运行模式下安全参数异常状态的自动监视和报警显示，以更智能高效地辅助操纵员安全、经济地运行电站。One or more technical solutions provided by the solution of the present invention have at least the following technical effects or advantages: according to different control requirements such as safety parameter thresholds or alarm suppression conditions under different power plant modes of the power station, automatic calculation and judgment of the safety parameter operating state can be performed, Realize the automatic monitoring and alarm display of the abnormal status of safety parameters in different operating modes, so as to assist the operator to operate the power station safely and economically more intelligently and efficiently.
附图说明Description of drawings
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained based on these drawings without creative effort.
图1是本发明第一实施例提供的基于核电站安全参数异常状态判断系统结构图；Fig. 1 is a structural diagram of a judging system based on abnormal state of nuclear power plant safety parameters provided by the first embodiment of the present invention;
图2是本发明第二实施例提供的基于核电站安全参数异常状态判断系统结构图；Fig. 2 is a structural diagram of a judging system based on abnormal state of nuclear power plant safety parameters provided by the second embodiment of the present invention;
图3是本发明第二实施例中的基于核电站安全参数异常状态判断原理图；Fig. 3 is a schematic diagram of abnormal state judgment based on nuclear power plant safety parameters in the second embodiment of the present invention;
图4是本发明第三实施例提供的基于核电站安全参数异常状态判断方法流程图；Fig. 4 is a flow chart of a method for judging an abnormal state based on a safety parameter of a nuclear power plant provided by the third embodiment of the present invention;
图5是本发明第四实施例提供的基于核电站安全参数异常状态判断方法流程图。Fig. 5 is a flowchart of a method for judging an abnormal state based on safety parameters of a nuclear power plant provided by the fourth embodiment of the present invention.
具体实施方式Detailed ways
为了解决现有技术中存在的核电厂在运行状态下没有实现不同电厂模式下的安全(关键)参数异常状态的自动计算和处理的功能，提供一种基于核电站安全参数异常状态判断系统和方法，具体思路如下：包括获取模块，用于获取核电站实际工况的安全参数数值和运行模式值并传递；判断模块，与所述获取模块连接，用于判断所述安全参数数值是否在设定模式阈值范围内，并判断所述运行模式值是否与设定模式值一致，得出判断结果；参数异常确定模块，与所述判断模块连接，用于根据所述判断模块的判断结果确定所述安全参数是否处于异常状态。本发明提供的基于核电站安全参数异常状态判断系统和方法能够实现不同运行模式下安全参数异常状态的自动监视和报警显示，以更智能高效地辅助操纵员安全、经济地运行电站。In order to solve the problem that the nuclear power plant in the prior art does not realize the function of automatic calculation and processing of the abnormal state of safety (key) parameters under different power plant modes under the operating state, a system and method for judging the abnormal state of safety parameters based on nuclear power plants are provided. The specific idea is as follows: include an acquisition module, which is used to obtain and transmit the safety parameter value and the operation mode value of the actual working condition of the nuclear power plant; a judgment module, connected with the acquisition module, for judging whether the safety parameter value is at the set mode threshold range, and judge whether the operation mode value is consistent with the set mode value, and obtain a judgment result; the parameter abnormality determination module is connected with the judgment module, and is used to determine the safety parameter according to the judgment result of the judgment module Whether it is in an abnormal state. The system and method for judging abnormal states of safety parameters based on nuclear power plants provided by the present invention can realize automatic monitoring and alarm display of abnormal states of safety parameters in different operating modes, so as to more intelligently and efficiently assist operators to run power plants safely and economically.
实施例一Embodiment one
如图1所示，本发明实施例一提供了一种基于核电站安全参数异常状态判断系统，包括：获取模块1，用于获取核电站实际工况的安全参数数值和运行模式值并传递；判断模块2，与获取模块1连接，用于判断安全参数数值是否在设定模式阈值范围内，并判断所述运行模式值是否与设定模式值一致，得出判断结果；参数异常确定模块3，与所述判断模块2连接，用于根据所述判断模块2的判断结果确定所述安全参数是否处于异常状态。As shown in Figure 1, Embodiment 1 of the present invention provides a system for judging an abnormal state based on safety parameters of a nuclear power plant, including: an acquisition module 1, which is used to acquire and transmit the safety parameter values and operating mode values of the actual working conditions of the nuclear power plant; the judgment module 2, connected with the acquisition module 1, used to judge whether the safety parameter value is within the threshold range of the set mode, and judge whether the operation mode value is consistent with the set mode value, and obtain the judgment result; the parameter abnormal determination module 3, and The judging module 2 is connected to determine whether the safety parameter is in an abnormal state according to the judging result of the judging module 2 .
具体地，基于核电站安全参数异常状态判断系统还包括警报模块4，与参数异常确定模块3连接，用于当所述参数异常确定模块3确定所述安全参数处于异常状态时，发出警报。Specifically, the judging system based on the abnormal state of the safety parameters of the nuclear power plant further includes an alarm module 4 connected to the abnormal parameter determination module 3 for sending out an alarm when the abnormal parameter determination module 3 determines that the safety parameters are in an abnormal state.
在本实施例中，根据核电站技术规范书将电厂运行状态分为六种电厂模式：反应堆完全卸料模式、换料停堆模式、维修停堆模式、余热排出系统冷却正常停堆模式、蒸汽发生器冷却正常停堆模式、反应堆功率运行模式。电厂模式是根据反应堆冷却剂系统的一些特性参数(压力、温度、水位等)将机组正常运行时所有可能的状态进行分类和计算判断的。In this embodiment, according to the technical specifications of nuclear power plants, the operating status of the power plant is divided into six power plant modes: reactor complete unloading mode, refueling shutdown mode, maintenance shutdown mode, waste heat removal system cooling normal shutdown mode, steam generation Reactor cooling normal shutdown mode, reactor power operation mode. The power plant mode is based on some characteristic parameters (pressure, temperature, water level, etc.) of the reactor coolant system to classify and calculate all possible states of the unit during normal operation.
在具体实施过程中，根据反应堆冷却剂系统的特性参数反应堆冷却剂平均温度、一回路压力、额定热功率、及反应堆停堆信号等获取电站实际运行的模式，同时安全参数与设定模式下的状态判断阈值进行比较，确定是否超出设定模式下的阈值范围，如果超出阈值范围，则表示在设定电厂模式下该安全参数运行异常，在人机界面上报警显示及提示操纵员关注。In the specific implementation process, the actual operation mode of the power station is obtained according to the characteristic parameters of the reactor coolant system, the average temperature of the reactor coolant, the pressure of the primary circuit, the rated thermal power, and the shutdown signal of the reactor. At the same time, the safety parameters and the set mode The status judgment threshold is compared to determine whether it exceeds the threshold range in the setting mode. If it exceeds the threshold range, it means that the safety parameter is running abnormally in the setting power plant mode, and an alarm will be displayed on the man-machine interface to prompt the operator to pay attention.
实施例二Embodiment two
结合图2所示，获取模块1包括：第一获取单元11，用于获取核电站实际工况下的安全参数数值并传递；第二获取单元12，用于获取核电站运行模式值并传递。As shown in FIG. 2 , the acquisition module 1 includes: a first acquisition unit 11 for acquiring and transmitting safety parameter values under the actual operating conditions of the nuclear power plant; a second acquisition unit 12 for acquiring and transmitting the operating mode values of the nuclear power plant.
具体地，所述判断结果包括第一判断结果和第二判断结果，所述判断模块2包括：第一判断单元21，与所述第一获取单元11连接，用于将所述安全参数数值与设定模式阈值进行比较，判断所述安全参数数值是否在设定模式阈值范围内，并得出第一判断结果；第二判断单元22，与所述第二获取单元12连接，用于将所述运行模式值与所述设定模式值比较，判断所述运行模式值是否与设定模式值一致，得出第二判断结果。Specifically, the judging result includes a first judging result and a second judging result, and the judging module 2 includes: a first judging unit 21 connected to the first acquiring unit 11 for comparing the security parameter value with The set mode threshold value is compared to determine whether the safety parameter value is within the set mode threshold value range, and the first judgment result is obtained; the second judgment unit 22 is connected with the second acquisition unit 12 for comparing the operation mode value with the set mode value, judging whether the operation mode value is consistent with the set mode value, and obtaining a second judging result.
在本实施例中，所述参数异常确定模块3的具体判断过程为：当所述第一判断结果和第二判断结果都为“是”时，确定所述安全参数处于异常状态，否则，确定所述安全参数处于正常状态。In this embodiment, the specific judgment process of the parameter abnormality determination module 3 is: when the first judgment result and the second judgment result are both "yes", it is determined that the safety parameter is in an abnormal state; otherwise, it is determined The security parameters are in a normal state.
结合图3所示，图3为基于电厂模式安全参数异常状态计算原理图，输入核电站运行模式参数值和模式设定值，判断判断所述运行模式值是否与设定模式值一致，输出第二判断结果，同时输入安全参数值，判断安全参数值是否在高限制和低限值的范围之内，输入第一判断结果，然后将第一判断结果和第二判断结果进行再次输入判断，两者都为“是”的情况下，输出为安全参数指示异常，否则就表示安全参数指示正常。As shown in Fig. 3, Fig. 3 is a schematic diagram of abnormal state calculation based on power plant mode safety parameters, input the nuclear power plant operating mode parameter value and mode setting value, judge whether the operating mode value is consistent with the set mode value, and output the second Judgment result, input the safety parameter value at the same time, judge whether the safety parameter value is within the range of the upper limit and the lower limit value, input the first judgment result, and then re-input the first judgment result and the second judgment result to judge, both When both are "yes", the output indicates that the security parameter indicates abnormality, otherwise it indicates that the security parameter indicates normal.
实施例三Embodiment three
结合图4所示，本发明实施例三提供了一种基于核电站安全参数异常状态判断方法，包括如下步骤:In conjunction with what is shown in Figure 4, Embodiment 3 of the present invention provides a method for judging an abnormal state based on a safety parameter of a nuclear power plant, comprising the following steps:
S1、获取核电站实际工况的安全参数数值和运行模式值并传递；S1. Obtain and transmit the safety parameter value and operation mode value of the actual working condition of the nuclear power plant;
S2、判断所述安全参数数值是否在设定模式阈值范围内，并判断所述运行模式值是否与设定模式值一致，得出判断结果；S2. Judging whether the value of the safety parameter is within the threshold range of the set mode, and judging whether the value of the operation mode is consistent with the value of the set mode, and obtaining a judgment result;
S3、根据所述步骤S2的判断结果确定所述安全参数是否处于异常状态。S3. Determine whether the safety parameter is in an abnormal state according to the judgment result of step S2.
在本实施例中，还包括步骤S4、当所述步骤S3中确定所述安全参数处于异常状态时，发出警报。In this embodiment, step S4 is further included, when it is determined in step S3 that the safety parameter is in an abnormal state, an alarm is issued.
实施例四Embodiment four
结合图5所示，步骤S1包括：As shown in Figure 5, step S1 includes:
S11、获取核电站实际工况下的安全参数数值并传递；S11. Obtain and transmit the value of the safety parameter under the actual working condition of the nuclear power plant;
S12、获取核电站运行模式值并传递；S12. Obtain and transmit the operating mode value of the nuclear power plant;
所述步骤S11和S12同时进行。The steps S11 and S12 are performed simultaneously.
具体地，所述步骤S2包括：Specifically, the step S2 includes:
S21、将所述安全参数数值与设定模式阈值进行比较，判断所述安全参数数值是否在设定模式阈值范围内，并得出第一判断结果；S21. Comparing the value of the safety parameter with the threshold value of the setting mode, judging whether the value of the safety parameter is within the threshold value range of the setting mode, and obtaining a first judgment result;
S22、将所述运行模式值与所述设定模式值比较，判断所述运行模式值是否与设定模式值一致，得出第二判断结果；所述步骤S21和S22同时进行。S22. Comparing the operation mode value with the set mode value, judging whether the operation mode value is consistent with the set mode value, and obtaining a second judgment result; the steps S21 and S22 are performed simultaneously.
结合图3和图4，所述步骤S3具体为：当所述第一判断结果和第二判断结果都为“是”的情况下，确定所述安全参数处于异常状态，否则，确定所述安全参数处于正常状态。3 and 4, the step S3 is specifically: when the first judgment result and the second judgment result are both "yes", determine that the safety parameter is in an abnormal state; otherwise, determine that the safety parameter Parameters are in normal state.
综上所述，本申请方案相对于现有技术至少具有以下有益技术效果：In summary, compared with the prior art, the solution of the present application has at least the following beneficial technical effects:
1)根据电站不同电厂模式下安全参数阈值或报警抑制条件等不同控制要求，对安全参数运行状态进行自动计算和判断，实现不同运行模式下安全参数异常状态的自动监视和报警显示；1) According to different control requirements such as safety parameter thresholds or alarm suppression conditions in different power plant modes of the power station, automatically calculate and judge the operation status of safety parameters, and realize automatic monitoring and alarm display of abnormal status of safety parameters in different operation modes;
2)更智能高效地辅助操纵员安全、经济地运行电站。2) More intelligently and efficiently assist the operator to run the power station safely and economically.
根据上面的描述，上述基于核电站安全参数异常状态判断系统用于实施上述基于核电站安全参数异常状态判断方法，所以，该系统的实施方式与上述方法的一个或多个实施方式相同，在此就不再一一赘述了。According to the above description, the above-mentioned judging system based on the abnormal state of the nuclear power plant safety parameters is used to implement the above-mentioned method for judging the abnormal state based on the safety parameters of the nuclear power plant. Let me repeat them one by one.
以上所揭露的仅为本发明一种较佳实施例而已，当然不能以此来限定本发明之权利范围，本领域普通技术人员可以理解实现上述实施例的全部或部分流程，并依本发明权利要求所作的等同变化，仍属于发明所涵盖的范围。What is disclosed above is only a preferred embodiment of the present invention, and of course it cannot limit the scope of rights of the present invention. Those of ordinary skill in the art can understand all or part of the process for realizing the above embodiments, and according to the rights of the present invention The equivalent changes required still belong to the scope covered by the invention.
| Application Number | Priority Date | Filing Date | Title |
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| CN201711183665.0ACN107910086A (en) | 2017-11-23 | 2017-11-23 | One kind is based on nuclear plant safety abnormal parameters condition adjudgement system and method |
| Application Number | Priority Date | Filing Date | Title |
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| CN201711183665.0ACN107910086A (en) | 2017-11-23 | 2017-11-23 | One kind is based on nuclear plant safety abnormal parameters condition adjudgement system and method |
| Publication Number | Publication Date |
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| CN107910086Atrue CN107910086A (en) | 2018-04-13 |
| Application Number | Title | Priority Date | Filing Date |
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| CN201711183665.0APendingCN107910086A (en) | 2017-11-23 | 2017-11-23 | One kind is based on nuclear plant safety abnormal parameters condition adjudgement system and method |
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| TA01 | Transfer of patent application right | Effective date of registration:20181226 Address after:518124 Office Building of Daya Bay Nuclear Power Base Engineering Company, Pengfei Road, Dapeng New District, Shenzhen City, Guangdong Province Applicant after:China Nuclear Power Engineering Co., Ltd. Applicant after:Shenzhen China Nuclear Power Design Co., Ltd. Applicant after:China General Nuclear Power Corporation Address before:518023 Office Building of Daya Bay Nuclear Power Base Engineering Company, Pengfei Road, Dapeng New District, Shenzhen City, Guangdong Province Applicant before:China Nuclear Power Engineering Co., Ltd. Applicant before:China General Nuclear Power Corporation | |
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| RJ01 | Rejection of invention patent application after publication | Application publication date:20180413 | |
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