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CN114483221A - Shafting vibration online safety monitoring method for nuclear turbine rotor and bearing system - Google Patents

Shafting vibration online safety monitoring method for nuclear turbine rotor and bearing system Download PDF

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Publication number
CN114483221A
CN114483221A CN202111456667.9A CN202111456667A CN114483221A CN 114483221 A CN114483221 A CN 114483221A CN 202111456667 A CN202111456667 A CN 202111456667A CN 114483221 A CN114483221 A CN 114483221A
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vibration
monitoring
relative displacement
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ratio
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CN114483221B (en
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史进渊
高升
王秀瑾
王建业
肖玥
王宇轩
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Shanghai Power Equipment Research Institute Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/16Arrangement of bearings; Supporting or mounting bearings in casings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D21/00Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D21/00Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
    • F01D21/003Arrangements for testing or measuring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00Component parts, details, or accessories, not provided for in, or of interest apart from, other groups

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Turbines (AREA)
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Abstract

本申请提出了一种核电汽轮机转子与轴承系统的轴系振动在线安全监控方法,涉及核电汽轮机技术领域。该方法包括:获取核电汽轮机的转子与轴承系统承受强迫振动与自激振动作用的转子轴颈在线监测轴振相对位移峰峰值与轴承座在线监测振动速度,作为转子与轴承系统的轴系振动在线监测数据;根据轴系振动在线监测数据,确定轴系振动的在线可靠性监控数据;根据轴系振动的在线可靠性监控数据,对核电汽轮机进行优化运维控制。本申请实施例可以准确监控核电汽轮机的转子与轴承系统的轴系振动的安全性,对核电汽轮机进行优化运维控制,从而提高核电汽轮机的使用寿命和运行可靠性,保证核电汽轮机长周期安全运行。

Figure 202111456667

The present application proposes an online safety monitoring method for shafting vibration of a nuclear power steam turbine rotor and bearing system, which relates to the technical field of nuclear power steam turbines. The method includes: obtaining the rotor journal of a nuclear power steam turbine subjected to forced vibration and self-excited vibration on-line monitoring relative displacement peak-to-peak value of the shaft vibration and the bearing seat on-line monitoring vibration speed, as the shafting vibration of the rotor and the bearing system on-line Monitoring data; according to the online monitoring data of shafting vibration, determine the online reliability monitoring data of the shafting vibration; according to the online reliability monitoring data of the shafting vibration, optimize the operation and maintenance control of the nuclear power steam turbine. The embodiment of the present application can accurately monitor the safety of the shaft vibration of the rotor of the nuclear power steam turbine and the bearing system, and optimize the operation and maintenance control of the nuclear power steam turbine, thereby improving the service life and operation reliability of the nuclear power steam turbine, and ensuring the long-term safe operation of the nuclear power steam turbine. .

Figure 202111456667

Description

核电汽轮机转子与轴承系统的轴系振动在线安全监控方法On-line safety monitoring method for shafting vibration of nuclear power steam turbine rotor and bearing system

技术领域technical field

本申请涉及核电汽轮机技术领域,尤其涉及一种核电汽轮机转子与轴承系统的轴系振 动在线安全监控方法。The present application relates to the technical field of nuclear power steam turbines, and in particular, to an online safety monitoring method for shafting vibration of a nuclear power steam turbine rotor and bearing system.

背景技术Background technique

核电汽轮机关键部件承压力受强迫振动和自激振动作用时,容易造成部件损伤,从而 影响核电汽轮机的安全性、使用寿命和运行可靠性,为了提高核电汽轮机的使用寿命,保 证核电汽轮机长周期安全运行,需要对核电汽轮机的转子与轴承系统的轴系振动进行在线 安全监控。When the key components of nuclear power steam turbines are subjected to forced vibration and self-excited vibration, it is easy to cause damage to the components, thereby affecting the safety, service life and operational reliability of nuclear power steam turbines. In order to improve the service life of nuclear power steam turbines, ensure the long-term safety of nuclear power steam turbines In operation, it is necessary to conduct online safety monitoring of the shafting vibration of the rotor and bearing system of the nuclear power steam turbine.

发明内容SUMMARY OF THE INVENTION

本申请旨在至少在一定程度上解决相关技术中的技术问题之一。为此,本申请的一个 目的在于提出一种核电汽轮机转子与轴承系统的轴系振动在线安全监控方法。The present application aims to solve one of the technical problems in the related art at least to a certain extent. To this end, an object of the present application is to propose an online safety monitoring method for shafting vibration of a nuclear power steam turbine rotor and bearing system.

本申请的第二个目的在于提出一种核电汽轮机转子与轴承系统的轴系振动在线安全监 控装置。The second purpose of this application is to propose an online safety monitoring device for shafting vibration of a nuclear power steam turbine rotor and bearing system.

本申请的第三个目的在于提出一种电子设备。The third object of the present application is to propose an electronic device.

本申请的第四个目的在于提出一种非瞬时计算机可读存储介质。A fourth object of the present application is to propose a non-transitory computer-readable storage medium.

本申请的第五个目的在于提出一种计算机程序产品。A fifth object of the present application is to propose a computer program product.

为达上述目的,本申请第一方面实施例提出了一种核电汽轮机转子与轴承系统的轴系 振动在线安全监控方法,包括:In order to achieve the above-mentioned purpose, the first aspect embodiment of the present application proposes a method for on-line safety monitoring of shafting vibration of a nuclear power steam turbine rotor and bearing system, including:

获取核电汽轮机的转子与轴承系统承受强迫振动与自激振动作用的转子轴颈在线监测 轴振相对位移峰峰值与轴承座在线监测振动速度,作为转子与轴承系统的轴系振动在线监 测数据;Obtain the on-line monitoring of the rotor journal, the relative displacement peak-to-peak value of the shaft vibration and the on-line monitoring vibration speed of the bearing seat of the rotor and bearing system of the nuclear power steam turbine subjected to forced vibration and self-excited vibration, as the on-line monitoring data of the shafting vibration of the rotor and bearing system;

根据轴系振动在线监测数据,确定轴系振动的在线可靠性监控数据;According to the online monitoring data of shafting vibration, determine the online reliability monitoring data of shafting vibration;

根据轴系振动的在线可靠性监控数据,对核电汽轮机进行优化运维控制。According to the online reliability monitoring data of shafting vibration, the optimal operation and maintenance control of the nuclear power steam turbine is carried out.

在一种可能的实现方式中,根据轴系振动在线监测数据,确定轴系振动的在线可靠性 监控数据,包括:In a possible implementation manner, the online reliability monitoring data of shafting vibration is determined according to the online monitoring data of shafting vibration, including:

根据转子轴颈在线监测轴振相对位移峰峰值,确定转子轴颈在线监测轴振相对位移的 比值;According to the peak-to-peak value of the relative displacement of the rotor journal online monitoring shaft vibration, determine the ratio of the relative displacement of the rotor journal online monitoring shaft vibration;

获取所述轴承座在线监测振动速度的报警值;Obtain the alarm value of the online monitoring vibration speed of the bearing housing;

根据报警值和轴承座在线监测振动速度,确定在线监测振动速度的比值;According to the alarm value and the online monitoring vibration speed of the bearing housing, determine the ratio of the online monitoring vibration speed;

将轴振相对位移的比值和在线监测振动速度的比值,确定为轴系振动的在线可靠性监 控数据。The ratio of the relative displacement of the shaft vibration and the ratio of the online monitoring vibration velocity is determined as the online reliability monitoring data of the shafting vibration.

在一种可能的实现方式中,根据轴系振动的在线可靠性监控数据,对核电汽轮机进行 优化运维控制,包括:In a possible implementation, according to the online reliability monitoring data of shafting vibration, the optimal operation and maintenance control of the nuclear power steam turbine is carried out, including:

根据轴振相对位移的比值,对转子轴颈在线监测轴振相对位移进行优化运维控制;According to the ratio of the relative displacement of the shaft vibration, the online monitoring of the relative displacement of the rotor journal is carried out to optimize the operation and maintenance control;

根据在线监测振动速度的比值,对轴承座在线监测振动速度进行优化运维控制。According to the ratio of the online monitoring vibration speed, the online monitoring vibration speed of the bearing seat is optimized for operation and maintenance control.

在一种可能的实现方式中,根据轴振相对位移的比值,对转子轴颈在线监测轴振相对 位移进行优化运维控制,包括:In a possible implementation, according to the ratio of the relative displacement of the shaft vibration, the online monitoring of the relative displacement of the shaft vibration of the rotor journal performs optimal operation and maintenance control, including:

响应于轴振相对位移的比值小于预设的轴振相对位移比值阈值,确定转子轴颈在线监 测轴振相对位移的运行监控合格;In response to the ratio of the relative displacement of the shaft vibration being less than the preset ratio threshold of the relative displacement of the shaft vibration, it is determined that the operation monitoring of the on-line monitoring of the relative displacement of the shaft vibration of the rotor journal is qualified;

响应于轴振相对位移的比值大于或者等于预设的轴振相对位移比值阈值,确定转子轴 颈在线监测轴振相对位移的运行监控未合格,生成轴振相对位移的优化改进策略;In response to the ratio of the shaft vibration relative displacement being greater than or equal to the preset shaft vibration relative displacement ratio threshold, it is determined that the operation monitoring of the rotor journal online monitoring of the shaft vibration relative displacement is unqualified, and an optimization improvement strategy for the shaft vibration relative displacement is generated;

根据轴振相对位移的优化改进策略对核电汽轮机进行优化运维控制,直到轴振相对位 移的比值小于预设的轴振相对位移比值阈值结束优化。According to the optimization and improvement strategy of the relative displacement of shaft vibration, the optimal operation and maintenance control of the nuclear power steam turbine is carried out, and the optimization is ended until the ratio of relative displacement of shaft vibration is less than the preset ratio threshold of relative displacement of shaft vibration.

在一种可能的实现方式中,根据在线监测振动速度的比值,对轴承座在线监测振动速 度进行优化运维控制,包括:In a possible implementation, according to the ratio of the online monitoring vibration speed, the optimal operation and maintenance control of the online monitoring vibration speed of the bearing housing is carried out, including:

响应于在线监测振动速度的比值小于预设的振动速度比值阈值,确定轴承座在线监测 振动速度运行监控合格;In response to the ratio of the online monitoring vibration speed being less than the preset vibration speed ratio threshold, it is determined that the online monitoring of the bearing housing is qualified for the vibration speed operation monitoring;

响应于在线监测振动速度的比值大于或者等于预设的振动速度比值阈值,确定轴承座 在线监测振动速度运行监控未合格,生成轴承座在线监测振动速度的优化改进策略;In response to the ratio of the online monitoring vibration speed being greater than or equal to the preset vibration speed ratio threshold, it is determined that the online monitoring vibration speed operation monitoring of the bearing housing is unqualified, and an optimization improvement strategy for the online monitoring vibration speed of the bearing housing is generated;

根据轴承座在线监测振动速度的优化改进策略对核电汽轮机进行优化运维控制,直到 在线监测振动速度的比值小于预设的振动速度比值阈值结束优化。According to the optimization and improvement strategy of the online monitoring vibration speed of the bearing housing, the optimal operation and maintenance control of the nuclear power steam turbine is carried out, and the optimization is ended until the ratio of the online monitoring vibration speed is less than the preset vibration speed ratio threshold.

本申请实施例可以准确监控核电汽轮机的转子与轴承系统的轴系振动的安全性,对 核电汽轮机进行优化运维控制,从而提高核电汽轮机的使用寿命和运行可靠性,保证核电 汽轮机长周期安全运行。The embodiments of the present application can accurately monitor the safety of the shaft vibration of the rotor of the nuclear power steam turbine and the bearing system, and optimize the operation and maintenance control of the nuclear power steam turbine, thereby improving the service life and operation reliability of the nuclear power steam turbine, and ensuring the long-term safe operation of the nuclear power steam turbine. .

为达上述目的,本申请第二方面实施例提出了一种核电汽轮机转子与轴承系统的轴系 振动在线安全监控装置,包括:In order to achieve the above-mentioned purpose, a second aspect embodiment of the present application proposes a shafting vibration online safety monitoring device of a nuclear power steam turbine rotor and bearing system, including:

获取模块,用于获取核电汽轮机的转子与轴承系统承受强迫振动与自激振动作用的转 子轴颈在线监测轴振相对位移峰峰值与轴承座在线监测振动速度,作为转子与轴承系统的 轴系振动在线监测数据;The acquisition module is used to acquire the rotor journal of the nuclear power steam turbine subjected to forced vibration and self-excited vibration. The relative displacement peak-to-peak value of the shaft vibration and the online monitoring vibration speed of the bearing seat are used as the shafting vibration of the rotor and bearing system. Online monitoring data;

确定模块,用于根据轴系振动在线监测数据,确定轴系振动的在线可靠性监控数据;The determination module is used to determine the online reliability monitoring data of the shafting vibration according to the online monitoring data of the shafting vibration;

优化模块,用于根据轴系振动的在线可靠性监控数据,对核电汽轮机进行优化运维控 制。The optimization module is used to optimize the operation and maintenance of nuclear power turbines according to the online reliability monitoring data of shafting vibration.

在一种可能的实现方式中,确定模块,还用于:In one possible implementation, the determining module is also used to:

根据转子轴颈在线监测轴振相对位移峰峰值,确定转子轴颈在线监测轴振相对位移的 比值;According to the peak-to-peak value of the relative displacement of the rotor journal online monitoring shaft vibration, determine the ratio of the relative displacement of the rotor journal online monitoring shaft vibration;

获取所述轴承座在线监测振动速度的报警值;Obtain the alarm value of the online monitoring vibration speed of the bearing housing;

根据报警值和轴承座在线监测振动速度,确定在线监测振动速度的比值;According to the alarm value and the online monitoring vibration speed of the bearing housing, determine the ratio of the online monitoring vibration speed;

将轴振相对位移的比值和在线监测振动速度的比值,确定为轴系振动的在线可靠性监 控数据。The ratio of the relative displacement of the shaft vibration and the ratio of the online monitoring vibration velocity is determined as the online reliability monitoring data of the shafting vibration.

在一种可能的实现方式中,优化模块,还用于:In one possible implementation, the optimization module is also used to:

根据轴振相对位移的比值,对转子轴颈在线监测轴振相对位移进行优化运维控制;According to the ratio of the relative displacement of the shaft vibration, the online monitoring of the relative displacement of the rotor journal is carried out to optimize the operation and maintenance control;

根据在线监测振动速度的比值,对轴承座在线监测振动速度进行优化运维控制。According to the ratio of the online monitoring vibration speed, the online monitoring vibration speed of the bearing seat is optimized for operation and maintenance control.

在一种可能的实现方式中,优化模块,还用于:In one possible implementation, the optimization module is also used to:

响应于轴振相对位移的比值小于预设的轴振相对位移比值阈值,确定转子轴颈在线监 测轴振相对位移的运行监控合格;In response to the ratio of the relative displacement of the shaft vibration being less than the preset ratio threshold of the relative displacement of the shaft vibration, it is determined that the operation monitoring of the on-line monitoring of the relative displacement of the shaft vibration of the rotor journal is qualified;

响应于轴振相对位移的比值大于或者等于预设的轴振相对位移比值阈值,确定转子轴 颈在线监测轴振相对位移的运行监控未合格,生成轴振相对位移的优化改进策略;In response to the ratio of the shaft vibration relative displacement being greater than or equal to the preset shaft vibration relative displacement ratio threshold, it is determined that the operation monitoring of the rotor journal online monitoring of the shaft vibration relative displacement is unqualified, and an optimization improvement strategy for the shaft vibration relative displacement is generated;

根据轴振相对位移的优化改进策略对核电汽轮机进行优化运维控制,直到轴振相对位 移的比值小于预设的轴振相对位移比值阈值结束优化。According to the optimization and improvement strategy of the relative displacement of shaft vibration, the optimal operation and maintenance control of the nuclear power steam turbine is carried out, and the optimization is ended until the ratio of relative displacement of shaft vibration is less than the preset ratio threshold of relative displacement of shaft vibration.

在一种可能的实现方式中,优化模块,还用于:In one possible implementation, the optimization module is also used to:

响应于在线监测振动速度的比值小于预设的振动速度比值阈值,确定轴承座在线监测 振动速度运行监控合格;In response to the ratio of the online monitoring vibration speed being less than the preset vibration speed ratio threshold, it is determined that the online monitoring of the bearing housing is qualified for the vibration speed operation monitoring;

响应于在线监测振动速度的比值大于或者等于预设的振动速度比值阈值,确定轴承座 在线监测振动速度运行监控未合格,生成轴承座在线监测振动速度的优化改进策略;In response to the ratio of the online monitoring vibration speed being greater than or equal to the preset vibration speed ratio threshold, it is determined that the online monitoring vibration speed operation monitoring of the bearing housing is unqualified, and an optimization improvement strategy for the online monitoring vibration speed of the bearing housing is generated;

根据轴承座在线监测振动速度的优化改进策略对核电汽轮机进行优化运维控制,直到 在线监测振动速度的比值小于预设的振动速度比值阈值结束优化。According to the optimization and improvement strategy of the online monitoring vibration speed of the bearing housing, the optimal operation and maintenance control of the nuclear power steam turbine is carried out, and the optimization is ended until the ratio of the online monitoring vibration speed is less than the preset vibration speed ratio threshold.

为达上述目的,本申请第三方面实施例提出了一种电子设备,包括:In order to achieve the above purpose, an embodiment of the third aspect of the present application proposes an electronic device, including:

至少一个处理器;以及at least one processor; and

与至少一个处理器通信连接的存储器;其中,a memory communicatively coupled to the at least one processor; wherein,

存储器存储有可被至少一个处理器执行的指令,指令被至少一个处理器执行,以使至 少一个处理器能够执行本申请第一方面实施例中提供的核电汽轮机转子与轴承系统的轴系 振动在线安全监控方法。The memory stores instructions that can be executed by at least one processor, and the instructions are executed by at least one processor, so that the at least one processor can execute the shafting vibration online of the nuclear power steam turbine rotor and bearing system provided in the embodiments of the first aspect of the present application. Security monitoring method.

为达上述目的,本申请第四方面实施例提出了一种计算机可读存储介质,其上存储有 计算机指令,其中,计算机指令用于使计算机执行根据本申请第一方面实施例中提供的核 电汽轮机转子与轴承系统的轴系振动在线安全监控方法。In order to achieve the above purpose, the fourth aspect of the present application provides a computer-readable storage medium on which computer instructions are stored, wherein the computer instructions are used to cause the computer to execute the nuclear power plant provided in the first aspect of the present application. On-line safety monitoring method for shafting vibration of steam turbine rotor and bearing system.

为达上述目的,本申请第五方面实施例提出了一种计算机程序产品,包括计算机程序, 计算机程序在被处理器执行时实现本申请第一方面实施例中提供的核电汽轮机转子与轴承 系统的轴系振动在线安全监控方法。In order to achieve the above purpose, the fifth aspect of the present application provides a computer program product, including a computer program, and the computer program, when executed by a processor, realizes the nuclear power steam turbine rotor and bearing system provided in the first aspect of the present application. On-line safety monitoring method for shafting vibration.

附图说明Description of drawings

图1是本申请一个实施例的核电汽轮机的联合监控平台的示意图;1 is a schematic diagram of a joint monitoring platform for a nuclear power steam turbine according to an embodiment of the present application;

图2是本申请一个实施例的核电汽轮机转子与轴承系统的轴系振动在线安全监控方法的示意图;2 is a schematic diagram of an online safety monitoring method for shafting vibration of a nuclear power steam turbine rotor and bearing system according to an embodiment of the present application;

图3是本申请一个实施例的核电汽轮机转子与轴承系统的轴系振动在线安全监控方法 中进行优化控制的流程图;Fig. 3 is the flow chart of carrying out optimal control in the shafting vibration on-line safety monitoring method of the nuclear power steam turbine rotor and bearing system according to an embodiment of the present application;

图4是本申请一个实施例的适用于具体型号的核电汽轮机转子与轴承系统的轴系振 动在线安全监控方法的流程图;Fig. 4 is the flow chart of the shafting vibration on-line safety monitoring method applicable to the nuclear power steam turbine rotor and bearing system of a specific model according to an embodiment of the present application;

图5是本申请一个实施例的核电汽轮机转子与轴承系统的轴系振动在线安全监控装置 的结构框图;Fig. 5 is the structural block diagram of the shafting vibration online safety monitoring device of the nuclear power steam turbine rotor and bearing system of an embodiment of the present application;

图6是本申请一个实施例的电子设备的结构示意图。FIG. 6 is a schematic structural diagram of an electronic device according to an embodiment of the present application.

具体实施方式Detailed ways

下面详细描述本申请的实施例,所述实施例的示例在附图中示出,其中自始至终相同 或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描 述的实施例是示例性的,旨在用于解释本申请,而不能理解为对本申请的限制。The following describes in detail the embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to be used to explain the present application, but should not be construed as a limitation to the present application.

图1是根据本申请一个实施例的核电汽轮机的联合监控平台的示意图,如图1所示, 该联合监控平台,包括:FIG. 1 is a schematic diagram of a joint monitoring platform for a nuclear power steam turbine according to an embodiment of the present application. As shown in FIG. 1 , the joint monitoring platform includes:

部件模型数据库1、载荷数据库2、材料数据库3、计算服务器4、网页服务器5和客户端浏览器6。Component model database 1 , load database 2 , material database 3 , calculation server 4 , web server 5 and client browser 6 .

部件模型数据库1存储核电汽轮机的部件设计参数和三维力学模型,载荷数据库2存 储核电汽轮机的轴承油膜的刚度系数与阻尼系数、核电汽轮机转子轴颈在线监测轴振相对 位移峰峰值Dp-pr(μm)与轴承座在线监测振动速度Vb(mm/s),以及核电汽轮机的起停曲线,材料数据库3存储核电汽轮机的材料物理性能、材料力学性能、高温长时力学性能 与疲劳断裂力学性能,计算服务器4包括存储器、处理器及存储在存储器上并可在处理器 上运行的核电汽轮机的核电汽轮机转子与轴承系统的轴系振动在线安全监控计算机程 序,处理器执行计算机程序时,实现本发明提供的核电汽轮机的核电汽轮机转子与轴承系 统的轴系振动在线安全监控方法。The component model database 1 stores the component design parameters and three-dimensional mechanical model of the nuclear power steam turbine, and the load database 2 stores the stiffness coefficient and damping coefficient of the bearing oil film of the nuclear power steam turbine, and the relative displacement peak-to-peak value D p-pr ( μm) and the bearing housing to monitor the vibration speed V b (mm/s) online, as well as the start-stop curve of the nuclear power steam turbine, and the material database 3 stores the material physical properties, material mechanical properties, high temperature long-term mechanical properties and fatigue fracture mechanical properties of nuclear power steam turbines , the computing server 4 includes a memory, a processor and a computer program for online safety monitoring of the shafting vibration of the nuclear power steam turbine rotor and bearing system of the nuclear power steam turbine that is stored on the memory and can run on the processor. When the processor executes the computer program, it realizes this The invention provides a method for online safety monitoring of shafting vibration of a nuclear power steam turbine rotor and a bearing system of a nuclear power steam turbine.

设计部件模型数据库1、载荷数据库2、材料数据库3与计算机服务器4通信连接,用于向计算机服务器4发送核电汽轮机的核电汽轮机转子与轴承系统的轴系振动在线安全监控所需力学模型与数据;The design component model database 1, the load database 2, and the material database 3 are connected to the computer server 4 in communication, and are used to send the mechanical model and data required for the online safety monitoring of the shafting vibration of the nuclear power steam turbine rotor and bearing system of the nuclear power steam turbine to the computer server 4;

计算机服务器4与网页服务器5通信连接,网页服务器5与客户端浏览器6通信连接, 可以将监控数据或优化信息反馈至网页服务器5与客户浏览器6上进行展示。The computer server 4 is in communication connection with the web server 5, and the web server 5 is in communication connection with the client browser 6, so that monitoring data or optimization information can be fed back to the web server 5 and the client browser 6 for display.

下面结合参考附图描述本申请的快速起动热应力作用下核电汽轮机的核电汽轮机转 子与轴承系统的轴系振动在线安全监控方法、装置、电子设备及存储介质。The method, device, electronic device and storage medium for on-line safety monitoring of shafting vibration of a nuclear power steam turbine rotor and bearing system of a nuclear power steam turbine under the action of rapid start thermal stress of the present application will be described below with reference to the accompanying drawings.

需要说明的是,本申请实施例中的转子与轴承系统为核电汽轮机的转子与轴承系统。It should be noted that the rotor and bearing system in the embodiments of the present application are the rotor and bearing system of a nuclear power steam turbine.

图2是本申请一个实施例的核电汽轮机转子与轴承系统的轴系振动在线安全监控方法 的流程图,如图2所示,该方法包括以下步骤:Fig. 2 is the flow chart of the shafting vibration on-line safety monitoring method of the nuclear power steam turbine rotor and bearing system of an embodiment of the present application, as shown in Fig. 2, this method comprises the following steps:

S201,获取核电汽轮机的转子与轴承系统承受强迫振动与自激振动作用的转子轴颈在线监测轴振相对位移峰峰值与轴承座在线监测振动速度,作为转子与轴承系统的轴系振动在线监测数据。S201, obtain the on-line monitoring shaft vibration relative displacement peak-to-peak value and bearing seat on-line monitoring vibration speed of the rotor journal subjected to forced vibration and self-excited vibration of the rotor and bearing system of the nuclear power steam turbine, as the on-line monitoring data of the shafting vibration of the rotor and bearing system .

转子与轴承系统承受强迫振动与自激振动作用时,核电汽轮机的某些部件会造成一定的损伤,从而影响核电汽轮机的安全性以及使用寿命,本申请实施例中,获取核电汽轮机的转子与轴承系统承受强迫振动与自激振动作用的转子轴颈在线监测轴振相对位 移峰峰值与轴承座在线监测振动速度,作为转子与轴承系统的轴系振动在线监测数据, 以便于后续确定轴系振动的在线可靠性监控数据。When the rotor and bearing system are subjected to forced vibration and self-excited vibration, certain parts of the nuclear power steam turbine will cause certain damage, thereby affecting the safety and service life of the nuclear power steam turbine. The system is subjected to forced vibration and self-excited vibration to monitor the relative displacement peak-to-peak value of shaft vibration online and the bearing seat online monitoring vibration speed, which are used as the shafting vibration online monitoring data of the rotor and bearing system, so as to facilitate the subsequent determination of the shafting vibration. Online reliability monitoring data.

基于核电汽轮机的部件模型数据库、载荷数据库与材料数据库,输入核电汽轮机转子与轴承系统的设计参数与三维力学模型、轴承油膜的刚度系数与阻尼系数,以及 材料力学性能数据,使用转子与轴承系统承受强迫振动与自激振动作用的轴系振动设 计监控的方法和子程序,核电汽轮机转子轴颈在线监测轴振相对位移峰峰值与轴承座在线 监测振动速度,进行轴系振动的在线安全监控。Based on the component model database, load database and material database of the nuclear power steam turbine, input the design parameters and three-dimensional mechanical model of the nuclear power steam turbine rotor and bearing system, the stiffness coefficient and damping coefficient of the bearing oil film, and the material mechanical performance data, using the rotor and bearing system to withstand The method and subroutine for the design and monitoring of shafting vibration under the action of forced vibration and self-excited vibration, the online monitoring of the relative displacement peak-to-peak value of the shaft vibration of the nuclear steam turbine rotor journal and the online monitoring of the vibration speed of the bearing seat, and the online safety monitoring of the shafting vibration.

S202,根据轴系振动在线监测数据,确定轴系振动的在线可靠性监控数据。S202, according to the online monitoring data of the shafting vibration, determine the online reliability monitoring data of the shafting vibration.

本申请实施例中,轴系振动的在线可靠性监控数据可以包括轴振相对位移的比值和在 线监测振动速度的比值。In the embodiment of the present application, the online reliability monitoring data of the shafting vibration may include the ratio of the relative displacement of the shaft vibration and the ratio of the online monitoring vibration speed.

在一些实现中,根据转子轴颈在线监测轴振相对位移峰峰值,采用如下公式确定转子 轴颈在线监测轴振相对位移的比值:In some implementations, according to the peak-to-peak value of the relative displacement of the rotor journal online monitoring shaft vibration, the following formula is used to determine the ratio of the relative displacement of the rotor journal online monitoring shaft vibration:

Figure BDA0003386806140000081
Figure BDA0003386806140000081

其中,Rp-pr为核电汽轮机转子轴颈在线监测轴振相对位移的比值,Dp-pr为核电汽轮机 转子轴颈在线监测轴振相对位移峰峰值(μm),Np-pr为预设值,可选地,本申请实施例中,Np-pr可以取120。Among them, R p-pr is the ratio of the relative displacement of the nuclear steam turbine rotor journal online monitoring shaft vibration, D p-pr is the relative displacement peak-to-peak value (μm) of the online monitoring shaft vibration of the nuclear steam turbine rotor journal, N p-pr is the preset The value, optionally, in this embodiment of the present application, N p-pr may be 120.

在一些实现中,获取轴承座在线监测振动速度的报警值,根据报警值和轴承座在线监 测振动速度,采用如下公式确定在线监测振动速度的比值:In some implementations, the alarm value of the online monitoring vibration speed of the bearing housing is obtained, and the ratio of the online monitoring vibration speed is determined by the following formula according to the alarm value and the online monitoring vibration speed of the bearing housing:

Figure BDA0003386806140000082
Figure BDA0003386806140000082

其中,Rb为核电汽轮机在线监测振动速度的比值,Vb为轴承座在线监测振动速度(mm/s),[Vb]为轴承座在线监测振动速度的报警值(mm/s)。Among them, R b is the ratio of the online monitoring vibration speed of the nuclear power steam turbine, V b is the online monitoring vibration speed of the bearing seat (mm/s), and [V b ] is the alarm value of the online monitoring vibration speed of the bearing seat (mm/s).

S203,根据轴系振动的在线可靠性监控数据,对核电汽轮机进行优化运维控制。S203, according to the online reliability monitoring data of the shafting vibration, optimize the operation and maintenance control of the nuclear power steam turbine.

在一些实现中,可以根据轴振相对位移的比值,对转子轴颈在线监测轴振相对位移 进行优化运维控制。In some implementations, optimal operation and maintenance control can be performed on the online monitoring of the shaft vibration relative displacement of the rotor journal according to the ratio of the shaft vibration relative displacement.

在一些实现中,可以根据在线监测振动速度的比值,对轴承座在线监测振动速度进 行优化运维控制。In some implementations, the online monitoring vibration speed of the bearing housing can be optimized for operation and maintenance control according to the ratio of the online monitoring vibration speed.

可选地,可以根据轴振相对位移的比值与在线监测振动速度的比值判断核电汽轮机 的判断核电汽轮机的转子与轴承系统的安全情况,若转子与轴承系统的安全性未符合预 设条件,则对核电汽轮机进行优化运维控制,提高核电汽轮机的使用寿命以及安全性。Optionally, the safety of the rotor and bearing system of the nuclear power steam turbine can be judged according to the ratio of the relative displacement of the shaft vibration and the ratio of the online monitoring vibration speed. If the safety of the rotor and the bearing system does not meet the preset conditions, then Optimize operation and maintenance control of nuclear power steam turbines to improve the service life and safety of nuclear power steam turbines.

本申请实施例中,获取核电汽轮机的转子与轴承系统承受强迫振动与自激振动作用的转子轴颈在线监测轴振相对位移峰峰值与轴承座在线监测振动速度,作为转子与轴承系统的轴系振动在线监测数据,进而确定轴系振动的在线可靠性监控数据,对核电汽 轮机进行优化运维控制。本申请实施例可以准确监控核电汽轮机的转子与轴承系统的轴 系振动的安全性,对核电汽轮机进行优化运维控制,从而提高核电汽轮机的使用寿命和运 行可靠性,保证核电汽轮机长周期安全运行。In the embodiment of the present application, the on-line monitoring relative displacement peak-to-peak value of the shaft journal of the rotor and the bearing system of the nuclear power steam turbine subjected to forced vibration and self-excited vibration and the on-line monitoring vibration speed of the bearing seat are obtained as the shaft system of the rotor and the bearing system. Vibration online monitoring data, and then determine the online reliability monitoring data of shafting vibration, and optimize operation and maintenance control of nuclear power steam turbines. The embodiments of the present application can accurately monitor the safety of the shaft vibration of the rotor of the nuclear power steam turbine and the bearing system, and optimize the operation and maintenance control of the nuclear power steam turbine, thereby improving the service life and operation reliability of the nuclear power steam turbine, and ensuring the long-term safe operation of the nuclear power steam turbine. .

图3是本申请一个实施例的核电汽轮机转子与轴承系统的轴系振动在线安全监控方法 中进行优化控制的流程图,如图3所示,该方法包括以下步骤:Fig. 3 is the flow chart of carrying out optimization control in the shafting vibration online safety monitoring method of nuclear power steam turbine rotor and bearing system of an embodiment of the present application, as shown in Fig. 3, this method comprises the following steps:

S301,获取核电汽轮机的转子与轴承系统承受强迫振动与自激振动作用的转子轴颈在 线监测轴振相对位移峰峰值与轴承座在线监测振动速度,作为转子与轴承系统的轴系振动 在线监测数据。S301, obtain the on-line monitoring shaft vibration relative displacement peak-to-peak value of the rotor journal subjected to forced vibration and self-excited vibration and the bearing seat on-line monitoring vibration speed of the rotor and bearing system of the nuclear power steam turbine, as the on-line monitoring data of the shafting vibration of the rotor and bearing system .

S302,根据轴系振动在线监测数据,确定轴系振动的在线可靠性监控数据。S302, according to the online monitoring data of the shafting vibration, determine the online reliability monitoring data of the shafting vibration.

关于步骤S301、步骤S302的相关介绍可以参考上述实施例中的内容,此处不再赘述。For the related introduction of step S301 and step S302, reference may be made to the content in the foregoing embodiment, and details are not repeated here.

需要说明的是,轴系振动的在线可靠性监控数据包括轴振相对位移的比值和在线监测 振动速度的比值。It should be noted that the online reliability monitoring data of the shafting vibration includes the ratio of the relative displacement of the shaft vibration and the ratio of the online monitoring vibration speed.

S303,根据轴振相对位移的比值,对转子轴颈在线监测轴振相对位移进行优化运维控 制。S303, according to the ratio of the relative displacement of the shaft vibration, perform optimal operation and maintenance control on the relative displacement of the rotor journal online monitoring the relative displacement of the shaft vibration.

响应于轴振相对位移的比值小于预设的轴振相对位移比值阈值,确定转子轴颈在线监 测轴振相对位移的运行监控合格;响应于轴振相对位移的比值大于或者等于预设的轴振相 对位移比值阈值,确定转子轴颈在线监测轴振相对位移的运行监控未合格,生成轴振相对 位移的优化改进策略。In response to the ratio of the relative displacement of the shaft vibration being less than the preset ratio threshold of the relative displacement of the shaft vibration, it is determined that the operation monitoring of the online monitoring of the relative displacement of the shaft vibration of the rotor journal is qualified; in response to the ratio of the relative displacement of the shaft vibration being greater than or equal to the preset shaft vibration The relative displacement ratio threshold value determines that the operation monitoring of the rotor journal online monitoring of the relative displacement of the shaft vibration is not qualified, and generates an optimization and improvement strategy for the relative displacement of the shaft vibration.

可选地,本申请实施例中,预设的轴振相对位移比值阈值可以取值为1,也就是说,若 Rp-pr<1,核电汽轮机转子轴颈在线监测轴振相对位移的运行监控合格,表明核电汽轮机转 子轴颈在线监测轴振相对位移处于受控状态,若Rp-pr≥1,核电汽轮机转子轴颈在线监测轴 振相对位移的运行监控不合格,表明在使用阶段需要汽轮机转子与轴承进行检修,查找转 子与轴承振动过大原因并进行改进,从而对核电汽轮机进行优化运维控制,直到轴振相对 位移的比值小于预设的轴振相对位移比值阈值结束优化。Optionally, in the embodiment of the present application, the preset shaft vibration relative displacement ratio threshold value may be 1, that is, if R p-pr <1, the operation of the on-line monitoring of the shaft vibration relative displacement of the nuclear power steam turbine rotor journal is performed. The monitoring is qualified, indicating that the relative displacement of the shaft vibration of the nuclear steam turbine rotor journal online monitoring is in a controlled state. If R p-pr ≥ 1, the operation monitoring of the online monitoring of the shaft vibration relative displacement of the nuclear steam turbine rotor journal is unqualified, indicating that it is necessary in the use stage. The rotor and bearing of the steam turbine are repaired, and the cause of the excessive vibration of the rotor and the bearing is found and improved, so as to optimize the operation and maintenance of the nuclear power steam turbine.

S304,根据在线监测振动速度的比值,对轴承座在线监测振动速度进行优化运维控制。S304, according to the ratio of the online monitoring vibration speed, perform optimal operation and maintenance control on the online monitoring vibration speed of the bearing housing.

响应于在线监测振动速度的比值小于预设的振动速度比值阈值,确定轴承座在线监测 振动速度运行监控合格;响应于在线监测振动速度的比值大于或者等于预设的振动速度比 值阈值,确定轴承座在线监测振动速度运行监控未合格,生成轴承座在线监测振动速度的 优化改进策略。In response to the ratio of the online monitoring vibration speed being less than the preset vibration speed ratio threshold value, it is determined that the online monitoring vibration speed operation monitoring of the bearing housing is qualified; in response to the ratio value of the online monitoring vibration speed being greater than or equal to the preset vibration speed ratio threshold value, it is determined that the bearing housing is The online monitoring of vibration speed operation monitoring is not qualified, and an optimization and improvement strategy for online monitoring of vibration speed of bearing housing is generated.

可选地,本申请实施例中,预设的振动速度比值阈值以取1,也就是说,若Rb<1,核电汽轮机轴承座在线监测振动速度运行监控合格,表明核电汽轮机轴承座在线监测振动速度处于受控状态,若Rb≥1,核电汽轮机轴承座在线监测振动速度运行监控不合格,表明在使用阶段需要汽轮机转子与轴承进行检修,查找转子与轴承振动过大原因并进行改进,从而对核电汽轮机进行优化运维控制,直到在线监测振动速度的比值小于预设的振动速度比值阈值结束优化。Optionally, in the embodiment of the present application, the preset vibration speed ratio threshold is 1, that is, if R b < 1, the online monitoring of the vibration speed of the nuclear power steam turbine bearing seat is qualified, indicating that the online monitoring of the nuclear power steam turbine bearing seat is qualified. The vibration speed is in a controlled state. If R b ≥ 1, the online monitoring of the vibration speed of the nuclear power steam turbine bearing seat is unqualified, indicating that the steam turbine rotor and bearing need to be overhauled in the use stage, and the cause of excessive vibration of the rotor and bearing should be found and improved. Thereby, the optimal operation and maintenance control of the nuclear power steam turbine is carried out, and the optimization is ended until the ratio of the online monitoring vibration speed is less than the preset vibration speed ratio threshold.

图4是本申请一个实施例的适用于具体型号的核电汽轮机转子与轴承系统的轴系振动 在线安全监控方法的流程图,如图4所示,该方法包括以下步骤:Fig. 4 is a flow chart of the shafting vibration on-line safety monitoring method applicable to the rotor and bearing system of a nuclear power steam turbine of a specific model according to an embodiment of the present application, as shown in Fig. 4 , the method comprises the following steps:

S401,输入转子与轴承系统承受强迫振动与自激振动作用的轴系振动在线监测值。S401, input the shafting vibration online monitoring value of the rotor and bearing system subjected to forced vibration and self-excited vibration.

基于核电汽轮机的部件模型数据库1、载荷数据库2与材料数据库3,核电汽轮机转子 与轴承系统的轴系振动在线安全监控方法和子程序,输入某型号1200MW核电汽轮机转子 轴颈在线监测轴振相对位移峰峰值Dp-pr=100μm与轴承座在线监测振动速度Vb=4mm/s,进 行轴系振动的在线安全监控。Based on the component model database 1, load database 2 and material database 3 of the nuclear power steam turbine, the online safety monitoring method and subprogram of the shafting vibration of the nuclear power steam turbine rotor and bearing system, input a certain model 1200MW nuclear power steam turbine rotor journal to monitor the relative displacement peak of the shaft vibration online. The peak value D p-pr = 100 μm and the bearing seat online monitoring vibration speed V b = 4 mm/s, and the online safety monitoring of the shafting vibration is carried out.

S402,计算转子轴颈在线监测轴振相对位移的比值。S402, calculate the ratio of the relative displacement of the rotor journal online monitoring shaft vibration.

该型号1200MW核电汽轮机转子轴颈在线监测轴振相对位移比值Rp-pr按照如下公式计 算:This model 1200MW nuclear power steam turbine rotor journal online monitoring shaft vibration relative displacement ratio R p-pr is calculated according to the following formula:

Figure BDA0003386806140000101
Figure BDA0003386806140000101

在上式中,Dp-pr为该型号1200MW核电汽轮机转子轴颈在线监测轴振相对位移峰峰值100μm。In the above formula, D p-pr is the relative displacement peak-to-peak value of 100μm of the shaft vibration relative displacement of the 1200MW nuclear steam turbine rotor journal on-line monitoring.

S403,计算轴承座在线监测振动速度的比值。S403 , calculating the ratio of the vibration velocity of the bearing seat on-line monitoring.

该型号1200MW核电汽轮机轴承座在线监测振动速度比值Rb按照如下公式计算:The online monitoring vibration velocity ratio R b of the 1200MW nuclear power steam turbine bearing seat of this model is calculated according to the following formula:

Figure BDA0003386806140000111
Figure BDA0003386806140000111

在上式中,Vb为轴承座在线监测振动速度,Vb=4mm/s,[Vb]为轴承座在线监测振动速 度的报警值(mm/s),对于n0=1500r/min和1800r/min的半转速核电汽轮机[Vb]=5.3mm/s, 对于n0=3000r/min和3600r/min的全转速核电汽轮机[Vb]=7.5mm/s。In the above formula, V b is the vibration speed of the bearing seat online monitoring, V b =4mm/s, [V b ] is the alarm value (mm/s) of the bearing seat online monitoring vibration speed, for n 0 =1500r/min and 1800r/min half speed nuclear power steam turbine [V b ]=5.3mm/s, for n 0 =3000r/min and 3600r/min full speed nuclear power steam turbine [V b ]=7.5mm/s.

S404,转子轴颈在线监测轴振相对位移的优化控制。S404, the optimal control of the relative displacement of the rotor journal on-line monitoring of the shaft vibration.

通过轴振相对位移的优化改进策略,对于该型号1200MW核电汽轮机转子轴颈在线监 测轴振相对位移进行优化控制:Through the optimization and improvement strategy of the relative displacement of the shaft vibration, the online monitoring of the relative displacement of the shaft vibration of the rotor journal of this type of 1200MW nuclear power steam turbine is optimized and controlled:

由于Rp-pr=0.833<1,该型号1200MW核电汽轮机转子轴颈在线监测轴振相对位移的运 行监控合格,表明核电汽轮机转子轴颈在线监测轴振相对位移处于受控状态,进入步骤 S405。Since R p-pr =0.833<1, the operation monitoring of the online monitoring of the relative displacement of the shaft vibration of the 1200MW nuclear power steam turbine rotor journal is qualified, indicating that the relative displacement of the online monitoring of the shaft vibration of the nuclear power steam turbine rotor journal is in a controlled state, and the process goes to step S405.

S405,轴承座在线监测振动速度的优化控制。S405, the optimal control of the online monitoring vibration speed of the bearing housing.

通过轴承座在线监测振动速度的优化改进策略,对于该型号1200MW核电汽轮机轴承 座在线监测振动速度进行优化设计控制:Through the optimization and improvement strategy of online monitoring vibration speed of bearing housing, the optimal design control is carried out for the online monitoring vibration speed of bearing housing of this type of 1200MW nuclear power steam turbine:

鉴于Rb=0.755<1,该型号1200MW核电汽轮机轴承座在线监测振动速度运行监控合 格,表明核电汽轮机轴承座在线监测振动速度处于受控状态,轴系振动的在线安全监控结 束。In view of R b =0.755<1, this model 1200MW nuclear power steam turbine bearing seat online monitoring vibration speed operation monitoring is qualified, indicating that the nuclear power steam turbine bearing seat online monitoring vibration speed is in a controlled state, and the online safety monitoring of shafting vibration is over.

在其他情况下,若Rb≥1,核电汽轮机轴承座在线监测振动速度的运行监控不合格,表 明在使用阶段需要汽轮机转子与轴承进行检修,查找转子与轴承振动过大原因并进行改进, 重新执行步骤S401至步骤S405,直到Rb<1为止;In other cases, if R b ≥ 1, the operation monitoring of the online monitoring of the vibration speed of the bearing seat of the nuclear power steam turbine is unqualified, indicating that the steam turbine rotor and bearing need to be overhauled during the use stage, and the cause of the excessive vibration of the rotor and bearing should be found and improved. Execute steps S401 to S405 until R b <1;

本申请实施例可以准确监控核电汽轮机的转子与轴承系统的轴系振动的安全性,对核电汽轮机进行优化运维控制,从而提高核电汽轮机的使用寿命和运行可靠性,保证 核电汽轮机长周期安全运行。The embodiments of the present application can accurately monitor the safety of the shaft vibration of the rotor of the nuclear power steam turbine and the bearing system, and optimize the operation and maintenance control of the nuclear power steam turbine, thereby improving the service life and operation reliability of the nuclear power steam turbine, and ensuring the long-term safe operation of the nuclear power steam turbine. .

在上述实施例的基础之上,还可以打印或者输出核电汽轮机的监控报告,其中,监控报告中可以包括核电汽轮机每个目标下多个维度的监控数据以及对应的优化改进 策略。可选地,还可以包括核电汽轮机的优化结果等信息。On the basis of the above embodiment, the monitoring report of the nuclear power steam turbine can also be printed or output, wherein the monitoring report can include the monitoring data of multiple dimensions under each target of the nuclear power steam turbine and the corresponding optimization improvement strategy. Optionally, information such as optimization results of the nuclear power steam turbine may also be included.

如图5所示,基于同一申请构思,本申请实施例还提供了一种核电汽轮机转子与轴承系统的轴系振动在线安全监控装置500,包括:As shown in FIG. 5 , based on the same application concept, an embodiment of the present application also provides an online safety monitoring device 500 for shafting vibration of a nuclear power steam turbine rotor and bearing system, including:

获取模块510,用于获取核电汽轮机的转子与轴承系统承受强迫振动与自激振动作 用的转子轴颈在线监测轴振相对位移峰峰值与轴承座在线监测振动速度,作为转子与轴 承系统的轴系振动在线监测数据;The acquisition module 510 is used to acquire the rotor journal of the nuclear power steam turbine subjected to forced vibration and self-excited vibration, the relative displacement peak-to-peak value of the shaft vibration and the online monitoring vibration speed of the bearing seat, as the shaft system of the rotor and the bearing system. Vibration online monitoring data;

确定模块520,用于根据轴系振动在线监测数据,确定轴系振动的在线可靠性监控数据;A determination module 520, configured to determine the online reliability monitoring data of the shafting vibration according to the online monitoring data of the shafting vibration;

优化模块530,用于根据轴系振动的在线可靠性监控数据,对核电汽轮机进行优化运维控制。The optimization module 530 is configured to perform optimal operation and maintenance control of the nuclear power steam turbine according to the online reliability monitoring data of the shafting vibration.

在一种可能的实现方式中,确定模块520,还用于:In a possible implementation manner, the determining module 520 is further configured to:

根据转子轴颈在线监测轴振相对位移峰峰值,确定转子轴颈在线监测轴振相对位移的比值;According to the peak-to-peak value of the relative displacement of the rotor journal online monitoring shaft vibration, determine the ratio of the relative displacement of the rotor journal online monitoring shaft vibration;

获取所述轴承座在线监测振动速度的报警值;Obtain the alarm value of the online monitoring vibration speed of the bearing housing;

根据报警值和轴承座在线监测振动速度,确定在线监测振动速度的比值;According to the alarm value and the online monitoring vibration speed of the bearing housing, determine the ratio of the online monitoring vibration speed;

将轴振相对位移的比值和在线监测振动速度的比值,确定为轴系振动的在线可靠性监控数据。The ratio of the relative displacement of the shaft vibration and the ratio of the online monitoring vibration velocity is determined as the online reliability monitoring data of the shafting vibration.

在一种可能的实现方式中,优化模块530,还用于:In a possible implementation manner, the optimization module 530 is further configured to:

根据轴振相对位移的比值,对转子轴颈在线监测轴振相对位移进行优化运维控制;According to the ratio of the relative displacement of the shaft vibration, the online monitoring of the relative displacement of the rotor journal is carried out to optimize the operation and maintenance control;

根据在线监测振动速度的比值,对轴承座在线监测振动速度进行优化运维控制。According to the ratio of the online monitoring vibration speed, the online monitoring vibration speed of the bearing seat is optimized for operation and maintenance control.

在一种可能的实现方式中,优化模块530,还用于:In a possible implementation manner, the optimization module 530 is further configured to:

响应于轴振相对位移的比值小于预设的轴振相对位移比值阈值,确定转子轴颈在线监测轴振相对位移的运行监控合格;In response to the ratio of the relative displacement of the shaft vibration being less than the preset ratio threshold of the relative displacement of the shaft vibration, it is determined that the operation monitoring of the online monitoring of the relative displacement of the shaft vibration of the rotor journal is qualified;

响应于轴振相对位移的比值大于或者等于预设的轴振相对位移比值阈值,确定转子轴颈在线监测轴振相对位移的运行监控未合格,生成轴振相对位移的优化改进策略;In response to the ratio of the shaft vibration relative displacement being greater than or equal to the preset shaft vibration relative displacement ratio threshold, it is determined that the operation monitoring of the rotor journal online monitoring of the shaft vibration relative displacement is unqualified, and an optimization improvement strategy for the shaft vibration relative displacement is generated;

根据轴振相对位移的优化改进策略对核电汽轮机进行优化运维控制,直到轴振相对位移的比值小于预设的轴振相对位移比值阈值结束优化。According to the optimization and improvement strategy of the relative displacement of the shaft vibration, the optimal operation and maintenance control of the nuclear power steam turbine is carried out, and the optimization is ended until the ratio of the relative displacement of the shaft vibration is less than the preset ratio of the relative displacement of the shaft vibration.

在一种可能的实现方式中,优化模块530,还用于:In a possible implementation manner, the optimization module 530 is further configured to:

响应于在线监测振动速度的比值小于预设的振动速度比值阈值,确定轴承座在线监测振动速度运行监控合格;In response to the ratio of the online monitoring vibration speed being less than the preset vibration speed ratio threshold, it is determined that the online monitoring vibration speed operation monitoring of the bearing housing is qualified;

响应于在线监测振动速度的比值大于或者等于预设的振动速度比值阈值,确定轴承座在线监测振动速度运行监控未合格,生成轴承座在线监测振动速度的优化改进策 略;In response to the ratio of the online monitoring vibration speed being greater than or equal to the preset vibration speed ratio threshold, it is determined that the operation monitoring of the online monitoring vibration speed of the bearing housing is unqualified, and an optimization improvement strategy for the online monitoring vibration speed of the bearing housing is generated;

根据轴承座在线监测振动速度的优化改进策略对核电汽轮机进行优化运维控制,直到在线监测振动速度的比值小于预设的振动速度比值阈值结束优化。According to the optimization and improvement strategy of online monitoring vibration speed of bearing housing, the optimal operation and maintenance control of nuclear power steam turbine is carried out, until the ratio of online monitoring vibration speed is less than the preset vibration speed ratio threshold, and the optimization ends.

本申请实施例可以准确监控核电汽轮机的转子与轴承系统的轴系振动的安全性,对核电汽轮机进行优化运维控制,从而提高核电汽轮机的使用寿命和运行可靠性,保证 核电汽轮机长周期安全运行。The embodiments of the present application can accurately monitor the safety of the shaft vibration of the rotor of the nuclear power steam turbine and the bearing system, and optimize the operation and maintenance control of the nuclear power steam turbine, thereby improving the service life and operation reliability of the nuclear power steam turbine, and ensuring the long-term safe operation of the nuclear power steam turbine. .

基于同一申请构思,本申请实施例还提供了一种电子设备。Based on the same application concept, the embodiments of the present application further provide an electronic device.

图6为本申请实施例提供的电子设备的结构示意图。如图6所示,该电子设备600,包括存储器610、处理器620及存储在存储器610上并可在处理器620上运行的计算机 程序产品,处理器执行计算机程序时,实现前述的核电汽轮机转子与轴承系统的轴系振 动在线安全监控方法。FIG. 6 is a schematic structural diagram of an electronic device provided by an embodiment of the present application. As shown in FIG. 6 , the electronic device 600 includes a memory 610, a processor 620, and a computer program product stored in the memory 610 and running on the processor 620. When the processor executes the computer program, it realizes the aforementioned nuclear power steam turbine rotor. On-line safety monitoring method for shafting vibration of bearing system.

本领域内的技术人员应明白,本申请的实施例可提供为方法、系统、或计算机程序产 品。因此,本申请可采用完全硬件实施例、完全软件实施例、或结合软件和硬件方面的实施例的形式。而且,本申请可采用在一个或多个其中包含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘存储器、CD-ROM、光学存储器等)上实施的计算机程 序产品的形式。As will be appreciated by one skilled in the art, the embodiments of the present application may be provided as a method, a system, or a computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.

本申请是参照根据本申请实施例的方法、设备(系统)、和计算机程序产品的流程图 和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一流 程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器,使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the present application. It will be understood that each flow and/or block in the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to the processor of a general purpose computer, special purpose computer, embedded processor or other programmable data processing device to produce a machine such that the instructions executed by the processor of the computer or other programmable data processing device produce Means for implementing the functions specified in a flow or flow of a flowchart and/or a block or blocks of a block diagram.

这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理设备以特定方式 工作的计算机可读存储器中,使得存储在该计算机可读存储器中的指令产生包括指令装置 的制造品,该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方 框中指定的功能。These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory result in an article of manufacture comprising instruction means, the instructions The apparatus implements the functions specified in the flow or flow of the flowcharts and/or the block or blocks of the block diagrams.

这些计算机程序指令也可装载到计算机或其他可编程数据处理设备上,使得在计算机 或其他可编程设备上执行一系列操作步骤以产生计算机实现的处理,从而在计算机或其他 可编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方 框或多个方框中指定的功能的步骤。These computer program instructions can also be loaded on a computer or other programmable data processing device to cause a series of operational steps to be performed on the computer or other programmable device to produce a computer-implemented process such that The instructions provide steps for implementing the functions specified in the flow or blocks of the flowcharts and/or the block or blocks of the block diagrams.

基于同一申请构思,本申请实施例还提供了一种计算机可读存储介质,其上存储有计 算机指令,其中,该计算机指令用于使计算机执行上述实施例中的核电汽轮机转子与轴承 系统的轴系振动在线安全监控方法。Based on the same application concept, the embodiments of the present application also provide a computer-readable storage medium on which computer instructions are stored, wherein the computer instructions are used to cause the computer to execute the shaft of the nuclear power steam turbine rotor and bearing system in the above-mentioned embodiments. It is a vibration online safety monitoring method.

基于同一申请构思,本申请实施例还提供了一种计算机程序产品,包括计算机程序, 该计算机程序在被处理器执行时上述实施例中的核电汽轮机转子与轴承系统的轴系振动在 线安全监控方法。Based on the same application concept, an embodiment of the present application further provides a computer program product, including a computer program, when the computer program is executed by a processor, the on-line safety monitoring method for shafting vibration of a nuclear power steam turbine rotor and bearing system in the above-mentioned embodiments .

应当注意的是,在权利要求中,不应将位于括号之间的任何参考符号构造成对权利要 求的限制。单词“包含”不排除存在未列在权利要求中的部件或步骤。位于部件之前的单词 “一”或“一个”不排除存在多个这样的部件。本申请可以借助于包括有若干不同部件的硬件 以及借助于适当编程的计算机来实现。在列举了若干装置的单元权利要求中,这些装置中 的若干个可以是通过同一个硬件项来具体体现。单词第一、第二、以及第三等的使用不表 示任何顺序。可将这些单词解释为名称。It should be noted that, in the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not preclude the presence of a plurality of such elements. The application can be implemented by means of hardware comprising several different components and by means of a suitably programmed computer. In a unit claim enumerating several means, several of these means can be embodied by one and the same item of hardware. The use of the words first, second, and third, etc. do not imply any order. These words can be interpreted as names.

此外,术语“第一”、“第二”仅用于描述目的,而不能理解为指示或暗示相对重要性或者 隐含指明所指示的技术特征的数量。由此,限定有“第一”、“第二”的特征可以明示或者隐 含地包括一个或者更多个该特征。在本申请的描述中,“多个”的含义是两个或两个以上, 除非另有明确具体的限定。In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first", "second" may expressly or implicitly include one or more of that feature. In the description of this application, "plurality" means two or more, unless otherwise expressly and specifically defined.

尽管已描述了本申请的优选实施例,但本领域内的技术人员一旦得知了基本创造性概 念,则可对这些实施例作出另外的变更和修改。所以,所附权利要求意欲解释为包括优选 实施例以及落入本申请范围的所有变更和修改。While the preferred embodiments of the present application have been described, additional changes and modifications to these embodiments may occur to those skilled in the art once the basic inventive concepts are known. Therefore, the appended claims are intended to be construed to include the preferred embodiment and all changes and modifications that fall within the scope of this application.

显然,本领域的技术人员可以对本申请进行各种改动和变型而不脱离本发明的精神和 范围。这样,倘若本申请的这些修改和变型属于本申请权利要求及其等同技术的范围之内, 则本申请也意图包含这些改动和变型在内。Obviously, those skilled in the art can make various changes and modifications to the present application without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is also intended to include these modifications and variations.

Claims (13)

1. A shafting vibration online safety monitoring method for a nuclear turbine rotor and bearing system is characterized by comprising the following steps:
acquiring a shaft neck online monitoring shaft vibration relative displacement peak value and a bearing seat online monitoring vibration speed of a rotor and a bearing system of a nuclear turbine under the action of forced vibration and self-excited vibration, and taking the shaft neck online monitoring shaft vibration relative displacement peak value and the bearing seat online monitoring vibration speed as shafting vibration online monitoring data of the rotor and the bearing system;
determining online reliability monitoring data of the shafting vibration according to the shafting vibration online monitoring data;
and performing optimized operation and maintenance control on the nuclear turbine according to the online reliability monitoring data of the shafting vibration.
2. The method of claim 1, wherein said determining online reliability monitoring data of said shafting vibration from said online monitoring data of shafting vibration comprises:
determining the ratio of the shaft vibration relative displacement of the rotor journal on-line monitoring according to the peak value of the shaft vibration relative displacement peak of the rotor journal on-line monitoring;
acquiring an alarm value of the online monitoring vibration speed of the bearing seat;
determining the ratio of the online monitoring vibration speed according to the alarm value and the online monitoring vibration speed of the bearing seat;
and determining the ratio of the relative displacement of the shaft vibration and the ratio of the online monitoring vibration speed as online reliability monitoring data of the shafting vibration.
3. The method of claim 2, wherein the performing optimized operation and maintenance control on the nuclear turbine according to the online reliability monitoring data of the shafting vibration comprises:
carrying out optimized operation and maintenance control on the shaft vibration relative displacement monitored by the rotor shaft neck on line according to the ratio of the shaft vibration relative displacement;
and carrying out optimized operation and maintenance control on the online monitoring vibration speed of the bearing seat according to the ratio of the online monitoring vibration speed.
4. The method of claim 3, wherein the performing the optimized operation and maintenance control on the rotor journal for online monitoring of the shaft vibration relative displacement according to the ratio of the shaft vibration relative displacement comprises:
responding to the fact that the ratio of the shaft vibration relative displacement is smaller than a preset shaft vibration relative displacement ratio threshold value, and determining that the operation monitoring of the rotor shaft neck on-line monitoring shaft vibration relative displacement is qualified;
responding to the fact that the ratio of the shaft vibration relative displacement is larger than or equal to the preset shaft vibration relative displacement ratio threshold value, determining that the operation monitoring of the rotor journal for online monitoring of the shaft vibration relative displacement is not qualified, and generating an optimization improvement strategy of the shaft vibration relative displacement;
and carrying out optimized operation and maintenance control on the nuclear turbine according to the optimized improvement strategy of the shaft vibration relative displacement until the ratio of the shaft vibration relative displacement is smaller than the preset shaft vibration relative displacement ratio threshold value, and finishing the optimization.
5. The method of claim 3, wherein the performing optimized operation and maintenance control on the online monitored vibration speed of the bearing seat according to the ratio of the online monitored vibration speed comprises:
responding to the fact that the ratio of the online monitoring vibration speed is smaller than a preset vibration speed ratio threshold value, and determining that the online monitoring vibration speed of the bearing seat is qualified in operation monitoring;
responding to the fact that the ratio of the online monitoring vibration speed is larger than or equal to a preset vibration speed ratio threshold value, determining that the online monitoring vibration speed operation monitoring of the bearing seat is not qualified, and generating an optimization improvement strategy of the online monitoring vibration speed of the bearing seat;
and carrying out optimized operation and maintenance control on the nuclear turbine according to an optimized and improved strategy of the online monitoring vibration speed of the bearing seat until the ratio of the online monitoring vibration speed is smaller than the preset vibration speed ratio threshold value, and finishing optimization.
6. The utility model provides an online safety monitoring device of nuclear power steam turbine rotor and bearing system's shafting vibration which characterized in that includes:
the system comprises an acquisition module, a detection module and a control module, wherein the acquisition module is used for acquiring the online monitoring shaft vibration relative displacement peak value of a rotor journal and the online monitoring vibration speed of a bearing seat of a rotor and a bearing system of a nuclear power steam turbine under the action of forced vibration and self-excited vibration as the online monitoring data of the shafting vibration of the rotor and the bearing system;
the determining module is used for determining online reliability monitoring data of the shafting vibration according to the online monitoring data of the shafting vibration;
and the optimization module is used for carrying out optimized operation and maintenance control on the nuclear power turbine according to the online reliability monitoring data of the shafting vibration.
7. The apparatus of claim 6, wherein the determining module is further configured to:
determining the ratio of the shaft vibration relative displacement of the rotor journal on-line monitoring according to the peak value of the shaft vibration relative displacement peak of the rotor journal on-line monitoring;
acquiring an alarm value of the online monitoring vibration speed of the bearing seat;
determining the ratio of the online monitoring vibration speed according to the online monitoring vibration speed of the bearing seat;
and determining the ratio of the relative displacement of the shaft vibration and the ratio of the online monitoring vibration speed as online reliability monitoring data of the shafting vibration.
8. The apparatus of claim 7, wherein the optimization module is further configured to:
carrying out optimized operation and maintenance control on the shaft vibration relative displacement monitored by the rotor shaft neck on line according to the ratio of the shaft vibration relative displacement;
and carrying out optimized operation and maintenance control on the online monitoring vibration speed of the bearing seat according to the ratio of the online monitoring vibration speed.
9. The apparatus of claim 8, wherein the optimization module is further configured to:
responding to the fact that the ratio of the shaft vibration relative displacement is smaller than a preset shaft vibration relative displacement ratio threshold value, and determining that the operation monitoring of the rotor shaft neck on-line monitoring shaft vibration relative displacement is qualified;
responding to the fact that the ratio of the shaft vibration relative displacement is larger than or equal to the preset shaft vibration relative displacement ratio threshold value, determining that the operation monitoring of the rotor journal for online monitoring of the shaft vibration relative displacement is not qualified, and generating an optimization improvement strategy of the shaft vibration relative displacement;
and carrying out optimized operation and maintenance control on the nuclear turbine according to the optimized improvement strategy of the shaft vibration relative displacement until the ratio of the shaft vibration relative displacement is smaller than the preset shaft vibration relative displacement ratio threshold value, and finishing the optimization.
10. The apparatus of claim 8, wherein the optimization module is further configured to:
responding to the fact that the ratio of the online monitoring vibration speed is smaller than a preset vibration speed ratio threshold value, and determining that the online monitoring vibration speed of the bearing seat is qualified in operation monitoring;
responding to the fact that the ratio of the online monitoring vibration speed is larger than or equal to a preset vibration speed ratio threshold value, determining that the online monitoring vibration speed operation monitoring of the bearing seat is not qualified, and generating an optimization improvement strategy of the online monitoring vibration speed of the bearing seat;
and carrying out optimized operation and maintenance control on the nuclear turbine according to an optimized and improved strategy of the online monitoring vibration speed of the bearing seat until the ratio of the online monitoring vibration speed is smaller than the preset vibration speed ratio threshold value, and finishing optimization.
11. An electronic device, comprising:
at least one processor; and
a memory communicatively coupled to the at least one processor; wherein,
the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method of any one of claims 1-5.
12. A non-transitory computer readable storage medium having stored thereon computer instructions for causing the computer to perform the method of any one of claims 1-5.
13. A computer program product comprising a computer program which, when executed by a processor, implements the method according to any one of claims 1-5.
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