Multi-parameter temporary monitoring equipment for portable rotating equipment of nuclear power plant

Abstract

The invention discloses a nuclear power plant portable rotating equipment multi-parameter temporary monitoring device which comprises an ultrasonic flowmeter which is installed on an outlet pipeline of rotating equipment and used for collecting flow data of the outlet pipeline; the vibration measurement sensor is arranged on a bearing seat of the rotating equipment and is used for acquiring a vibration signal; the shaft seal leakage rate sensor is installed on a shaft seal leakage pipe of the rotating equipment and used for collecting shaft seal leakage flow data; the sound measurement sensor is mounted on a bearing seat of the rotating equipment and is used for acquiring a sound signal; and the rotating equipment monitoring and diagnosis integrated device is used for being connected with the ultrasonic flowmeter, the vibration measurement sensor, the shaft seal leakage rate sensor and the sound measurement sensor. The portable multi-parameter temporary monitoring device can be put into operation after performance degradation of nuclear power unit rotating equipment, the management cost is reduced, the management efficiency is improved, multi-parameter fusion monitoring is selected in combination with equipment working conditions, and the early fault early warning accuracy is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of nuclear power, and particularly relates to a multi-parameter temporary monitoring device for portable rotating equipment in a nuclear power plant. Background Art

[0002] The current domestic management of the performance degradation operation of rotating equipment in nuclear power plants mainly has the following pain points: 1) The equipment cannot be put into temporary online monitoring to realize short-term online monitoring of the equipment status; 2) Frequent special inspections, trend notifications, and technical meeting discussions by various professionals result in high management costs and low efficiency; 3) The equipment status monitoring mainly focuses on single parameters such as vibration, temperature, and oil samples, and there is a risk of early signs not being warned in a timely manner; 4) The early warning assessment of the equipment health status mainly relies on manual inspection and experience judgment. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide a multi-parameter temporary monitoring device for portable rotating equipment in a nuclear power plant.

[0004] The technical solution adopted by the present invention to solve its technical problems is to construct a multi-parameter temporary monitoring device for portable rotating equipment in a nuclear power plant, including:

[0005] An ultrasonic flowmeter, which is installed on the outlet pipeline of the rotating equipment to collect the flow data of the outlet pipeline of the rotating equipment;

[0006] A vibration measurement sensor, which is installed on the bearing seat of the rotating equipment to collect the vibration signal of the bearing seat;

[0007] A shaft seal leakage sensor, which is installed on the shaft seal leakage pipe of the rotating equipment to collect the shaft seal leakage flow data;

[0008] A sound measurement sensor, which is installed on the bearing seat of the rotating equipment to collect the sound signal of the bearing seat;

[0009] A rotating equipment monitoring and diagnosis integration device, which is used to connect with the ultrasonic flowmeter, the vibration measurement sensor, the shaft seal leakage sensor, and the sound measurement sensor.

[0010] In some embodiments, the multi-parameter temporary monitoring device for portable rotating equipment in a nuclear power plant further includes a pressure sensor connected to the rotating equipment monitoring and diagnosis integration device. The pressure sensor is installed on the outlet pipeline of the rotating equipment to collect the pressure data of the outlet pipeline of the rotating equipment.

[0011] In some embodiments, the multi-parameter temporary monitoring device for portable rotating equipment in a nuclear power plant further includes a temperature sensor connected to the rotating equipment monitoring and diagnosis integration device. The temperature sensor is installed on the bearing housing of the rotating equipment and is used to collect the bearing temperature data of the rotating equipment.

[0012] In some embodiments, the multi-parameter temporary monitoring device for portable rotating equipment in a nuclear power plant further includes a Hall sensor connected to the rotating equipment monitoring and diagnosis integration device, which is used to collect the motor current data of the motor of the rotating equipment.

[0013] In some embodiments, the multi-parameter temporary monitoring device for portable rotating equipment in a nuclear power plant further includes a lubricating oil detector connected to the rotating equipment monitoring and diagnosis integration device, which is used to collect the oil quality data of the lubricating oil of the rotating equipment.

[0014] In some embodiments, the rotating equipment monitoring and diagnosis integration device includes a housing, and an acquisition and monitoring module and an edge computing module installed in the housing. The acquisition and monitoring module is connected to the edge computing module.

[0015] In some embodiments, the rotating equipment monitoring and diagnosis integration device further includes a display screen connected to the acquisition and monitoring module and / or the edge computing module.

[0016] In some embodiments, the multi-parameter temporary monitoring device for portable rotating equipment in a nuclear power plant further includes a server communicatively connected to the rotating equipment monitoring and diagnosis integration device.

[0017] In some embodiments, the multi-parameter temporary monitoring device for portable rotating equipment in a nuclear power plant further includes a user terminal communicatively connected to the rotating equipment monitoring and diagnosis integration device and / or the server.

[0018] In some embodiments, the rotating equipment includes a centrifugal pump.

[0019] Implementing the present invention has the following beneficial effects: The multi-parameter temporary monitoring device for portable rotating equipment in a nuclear power plant can realize the operation of a portable multi-parameter temporary monitoring device after the performance degradation of the rotating equipment (centrifugal pump type) in a nuclear power unit. The monitoring can cover the common fault modes of the rotating equipment (centrifugal pump type) under nuclear power plant conditions, reduce management costs, improve management efficiency, and select multi-parameter fusion monitoring in combination with the equipment working conditions to improve the accuracy of early fault warning. Description of the Drawings

[0020] To more clearly illustrate the technical solution of the present invention, the following will further explain the present invention in conjunction with the accompanying drawings and embodiments. It should be understood that the following drawings only show some embodiments of the present invention, and therefore should not be regarded as a limitation of the scope. For those of ordinary skill in the art, without creative efforts, other related drawings can also be obtained based on these drawings. In the drawings:

[0021] Figure 1 is a schematic diagram of a multi-parameter temporary monitoring device for portable rotating equipment in a nuclear power plant in some embodiments of the present invention;

[0022] Figure 2 is a schematic diagram of the collected parameters of a multi-parameter temporary monitoring device for portable rotating equipment in a nuclear power plant in some embodiments of the present invention;

[0023] Figure 3 is a simplified diagram of a monitoring and diagnosis integration device for rotating equipment in some embodiments of the present invention. Detailed Embodiments

[0024] To have a clearer understanding of the technical features, objectives, and effects of the present invention, the detailed embodiments of the present invention will now be described in detail with reference to the accompanying drawings. In the following description, it should be understood that the orientation or positional relationships indicated by "front", "rear", "upper", "lower", "left", "right", "longitudinal", "transverse", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail", etc. are based on the orientation or positional relationships shown in the drawings and are in a specific orientation structure and operation, and are only for the convenience of describing the present technical solution, rather than indicating that the device or element referred to must have a specific orientation. Therefore, it should not be construed as a limitation of the present invention.

[0025] It should also be noted that unless otherwise clearly defined and limited, terms such as "installation", "connection", "connection", "fixation", "setting", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements or the interaction relationship between two elements. When an element is referred to as being "above" or "below" another element, the element can be "directly" or "indirectly" located above the other element, or there may also be one or more intermediate elements. The terms "first", "second", "third", etc. are only for the convenience of describing the present technical solution and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first", "second", "third", etc. can explicitly or implicitly include one or more of such features. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] In the following description, specific details such as specific system structures and technologies are presented for the purpose of illustration rather than limitation, so as to thoroughly understand the embodiments of the present invention. However, those skilled in the art should clearly understand that the present invention can also be implemented in other embodiments without these specific details. In other cases, detailed descriptions of well-known systems, devices, circuits, and methods are omitted to avoid unnecessary details from interfering with the description of the present invention.

[0027] Referring to Figures 1 to 3 , for the state management of the rotating equipment (centrifugal pump type) of nuclear power units after performance degradation, the present invention provides a multi-parameter temporary monitoring device for portable rotating equipment in nuclear power plants, including a detection instrument 10 and a rotating equipment monitoring and diagnosis integration device 20 connected to the detection instrument 10. Its temporary operation of multi-source characteristic parameter fusion online monitoring strengthens the state tracking and reliability management after equipment anomalies.

[0028] The multi-parameter temporary monitoring device for portable rotating equipment in nuclear power plants can be used for the state management of the rotating equipment (centrifugal pump type) of nuclear power units after performance degradation.

[0029] The equipment characteristic quantity parameters that can be collected by the multi-parameter temporary monitoring device for portable rotating equipment in nuclear power plants include shaft seal leakage, lubricating oil (abrasive particles / moisture / viscosity, etc.), vibration, sound, temperature, flow rate, pressure, motor current, etc. The fault modes that can be monitored are shown in Table 1 below.

[0030] Table 1

[0031]

[0032]

[0033] The detection instrument 10 includes, but is not limited to, an ultrasonic flowmeter 11, a vibration measurement sensor 12, a shaft seal leakage sensor 13, a sound measurement sensor 14, a pressure sensor 15, a temperature sensor 16, a Hall sensor 17, a lubricating oil detector 18, etc.

[0034] In some embodiments, the ultrasonic flowmeter 11 is installed on the outlet pipe of the rotating equipment 100 to collect the outlet pipe flow data of the rotating equipment 100; the vibration measurement sensor 12 is installed on the bearing housing of the rotating equipment 100 to collect the bearing housing vibration signal; the shaft seal leakage sensor 13 is installed on the shaft seal leakage pipe of the rotating equipment 100 to collect the shaft seal leakage flow data; the sound measurement sensor 14 is installed on the bearing housing of the rotating equipment 100 to collect the bearing housing sound signal.

[0035] The rotating equipment monitoring and diagnosis integrated device 20 is used to connect with the ultrasonic flowmeter 11, the vibration measurement sensor 12, the shaft seal leakage sensor 13, and the sound measurement sensor 14, and is used to process the data information collected by the ultrasonic flowmeter 11, the vibration measurement sensor 12, the shaft seal leakage sensor 13, and the sound measurement sensor 14.

[0036] Preferably, the nuclear power plant portable rotating equipment multi-parameter temporary monitoring device further includes a pressure sensor 15 connected to the rotating equipment monitoring and diagnosis integrated device 20. The pressure sensor 15 is installed on the outlet pipe of the rotating equipment 100 and is used to collect the pressure data of the outlet pipe of the rotating equipment 100.

[0037] Preferably, the nuclear power plant portable rotating equipment multi-parameter temporary monitoring device further includes a temperature sensor 16 connected to the rotating equipment monitoring and diagnosis integrated device 20. The temperature sensor 16 is installed on the bearing housing of the rotating equipment 100 and is used to collect the bearing temperature data of the rotating equipment 100.

[0038] Preferably, the nuclear power plant portable rotating equipment multi-parameter temporary monitoring device further includes a Hall sensor 17 connected to the rotating equipment monitoring and diagnosis integrated device 20, which is used to collect the motor current data of the motor of the rotating equipment 100.

[0039] Preferably, the nuclear power plant portable rotating equipment multi-parameter temporary monitoring device further includes a lubricating oil detector 18 connected to the rotating equipment monitoring and diagnosis integrated device 20, which is used to collect the oil quality data of the lubricating oil in the outlet pipe of the rotating equipment 100.

[0040] Preferably, the rotating equipment monitoring and diagnosis integrated device 20 includes a casing, and a collection and monitoring module 21 and an edge computing module 22 installed in the casing. The collection and monitoring module 21 is connected to the edge computing module 22.

[0041] Preferably, the rotating equipment monitoring and diagnosis integrated device 20 further includes a display screen connected to the collection and monitoring module 21 and / or the edge computing module 22.

[0042] Preferably, the nuclear power plant portable rotating equipment multi-parameter temporary monitoring device further includes a server 30 communicatively connected to the rotating equipment monitoring and diagnosis integrated device 20. The rotating equipment monitoring and diagnosis integrated device 20 and the server 30 can be communicatively connected through a communication device 40.

[0043] Preferably, the nuclear power plant portable rotating equipment multi-parameter temporary monitoring device further includes a user terminal 50 communicatively connected to the rotating equipment monitoring and diagnosis integrated device 20 and / or the server 30.

[0044] Preferably, the rotating device 100 includes a centrifugal pump.

[0045] In some embodiments, the ultrasonic flowmeter 11 collects the flow data of the outlet pipeline of the rotating device 100, connects to the 485 signal channel of the rotating device monitoring and diagnosis integration device 20 through a Db9 to 485 adapter cable, and sends the data to the edge computing module 22 through RS485 communication based on the Modbus protocol.

[0046] The lubricating oil detector 18 collects and reads the oil quality data of the lubricating oil, connects to the 485 signal channel of the rotating device monitoring and diagnosis integration device 20 through a Db9 to 485 adapter cable, and sends the data to the edge computing module 22 through RS485 communication based on the Modbus protocol.

[0047] The shaft seal leakage sensor 13 collects the flow data of the shaft seal leakage pipe, connects to the 485 signal channel of the rotating device monitoring and diagnosis integration device 20 through a Db9 to 485 adapter cable, and sends the data to the edge computing module 22 through RS485 communication based on the Modbus protocol.

[0048] The pressure sensor 15 collects the pressure data of the equipment outlet pipeline, can be connected to the 4-20mA channel of the rotating device monitoring and diagnosis integration device 20 through a two-core cable, and the acquisition monitoring module 21 converts the 4-20mA signal into analog data and transmits it to the edge computing module 22 through the network cable.

[0049] The temperature sensor 16 collects the on-site bearing temperature data, connects to the 4-20mA channel of the rotating device monitoring and diagnosis integration device 20 through a two-core cable, and the acquisition monitoring module 21 converts the 4-20mA signal into analog data and transmits it to the edge computing module 22 through the network cable.

[0050] The Hall sensor 17 collects the motor current data, can be connected to the motor current signal channel of the rotating device monitoring and diagnosis integration device 20 by wire, and the acquisition monitoring module 21 processes the data and transmits it to the edge computing module 22.

[0051] The vibration measurement sensor 12 collects the bearing housing vibration signal, is connected to the vibration / sound signal channel of the rotating device monitoring and diagnosis integration device 20 by wire, and the acquisition monitoring module 21 processes the data and transmits it to the edge computing module 22.

[0052] The sound measurement sensor 14 includes but is not limited to ultrasonic (high frequency) / abnormal sound (low frequency) sensors. The sound measurement sensor 14 collects the bearing housing sound signal, is connected to the vibration / sound signal channel of the rotating device monitoring and diagnosis integration device 20 by wire, and the acquisition monitoring module 21 processes the data and transmits it to the edge computing module 22.

[0053] The edge computing module 22 performs secondary processing and analysis on each piece of collected data for equipment status monitoring and diagnosis. The rotating equipment monitoring and diagnosis integrated device 20 can perform on-site monitoring or, according to the layout conditions of the on-site network infrastructure through the communication device 40, select an appropriate network communication (network cable / WIFI / 5G) to transmit the data to the server 30 to achieve remote monitoring by the user.

[0054] In some embodiments, the rotating equipment monitoring and diagnosis integrated device 20 may include a display screen (such as a 15.6-inch display screen), 3 RS485 interfaces, 1 network port, 4 USB interfaces, 3 heat dissipation modules, an external hard disk, 6 4-20mA signal acquisition channels, 6 vibration / sound signal acquisition channels, as well as a power supply module, a voltage transformation module, an acquisition and monitoring module 21, an edge computing module 22, etc.

[0055] In some embodiments, the technical parameters of the ultrasonic flowmeter 11 are shown in Table 2 below.

[0056] Table 2

[0057]

[0058]

[0059] In some embodiments, the technical parameters of the lubricating oil detector 18 are shown in Table 3 below.

[0060] Table 3

[0061]

[0062]

[0063] In some embodiments, the technical parameters of the vibration measurement sensor 12 are shown in Table 4 below.

[0064] Table 4

[0065]

[0066] In some embodiments, the technical parameters of the shaft seal leakage sensor 13 are shown in Table 5 below.

[0067] Table 5

[0068]

[0069]

[0070] In some embodiments, the technical parameters of the sound measurement sensor 14 are shown in Table 6 below.

[0071] Table 6

[0072]

[0073] Of course, in some embodiments, the ultrasonic flowmeter 11, vibration measurement sensor 12, shaft seal leakage sensor 13, sound measurement sensor 14, pressure sensor 15, temperature sensor 16, Hall sensor 17, and lubricating oil detector 18 can select appropriate model specifications according to actual needs, and no specific limitations are made here.

[0074] This portable multi-parameter temporary monitoring device for rotating equipment in nuclear power plants is portable and can be temporarily put into operation for on-line equipment. According to requirements, sensors are selected to collect corresponding characteristic quantity parameters for equipment status monitoring and diagnosis.

[0075] This portable multi-parameter temporary monitoring device for rotating equipment in nuclear power plants can be applied to the equipment anomaly tracking link in the implementation process of the closed-loop of predictive maintenance for rotating equipment, strengthen the status tracking and reliability management after equipment anomalies, and provide technical support for the closed-loop implementation of predictive maintenance.

[0076] This portable multi-parameter temporary monitoring device for rotating equipment in nuclear power plants can implement the portable multi-parameter temporary monitoring device after the performance degradation of the rotating equipment (centrifugal pump type) in nuclear power units. The monitoring can cover common fault modes of rotating equipment (centrifugal pump type) under nuclear power conditions, reduce management costs, improve management efficiency, and select multi-parameter fusion monitoring in combination with equipment operating conditions to improve the accuracy of early fault warning.

[0077] It can be understood that the above embodiments only represent the preferred embodiments of the present invention, and the description is relatively specific and detailed, but it cannot be construed as a limitation to the scope of the invention patent; it should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, the above technical features can be freely combined, and several deformations and improvements can also be made, which all belong to the protection scope of the present invention; therefore, all equivalent transformations and modifications made to the scope of the claims of the present invention shall fall within the scope covered by the claims of the present invention.

Claims

1. A portable multi-parameter temporary monitoring device for rotating equipment in a nuclear power plant, characterized in that: include: An ultrasonic flow meter (11), the ultrasonic flow meter (11) being installed in an outlet pipe of the rotating device (100) to collect flow data of the outlet pipe of the rotating device (100); A vibration measurement sensor (12), the vibration measurement sensor (12) being mounted on a bearing seat of the rotating device (100) and collecting a vibration signal of the bearing seat; A shaft seal leakage sensor (13), the shaft seal leakage sensor (13) being installed on a shaft seal leakage pipe of the rotating device (100) and being used to collect shaft seal leakage flow data; A sound measurement sensor (14), the sound measurement sensor (14) being mounted on a bearing seat of the rotating device (100) and being used to collect a sound signal of the bearing seat; A rotating equipment monitoring and diagnostic integrated device (20), the rotating equipment monitoring and diagnostic integrated device (20) is used to connect with the ultrasonic flow meter (11), the vibration measurement sensor (12), the shaft seal leakage sensor (13) and the sound measurement sensor (14).

2. The portable multi-parameter temporary monitoring device for rotating equipment in a nuclear power plant according to claim 1 is characterized in that: The portable multi-parameter temporary monitoring device for rotating equipment in a nuclear power plant further comprises a pressure sensor (15) connected to the rotating equipment monitoring and diagnosis integrated device (20); the pressure sensor (15) is installed on the outlet pipeline of the rotating equipment (100) and is used to collect pressure data of the outlet pipeline of the rotating equipment (100).

3. The portable multi-parameter temporary monitoring device for rotating equipment in a nuclear power plant according to claim 1 is characterized in that: The portable multi-parameter temporary monitoring device for rotating equipment in a nuclear power plant further comprises a temperature sensor (16) connected to the rotating equipment monitoring and diagnosis integrated device (20); the temperature sensor (16) is mounted on a bearing seat of the rotating equipment (100) and is used to collect bearing temperature data of the rotating equipment (100).

4. The portable multi-parameter temporary monitoring device for rotating equipment in a nuclear power plant according to claim 1 is characterized in that: The portable multi-parameter temporary monitoring device for rotating equipment in a nuclear power plant further comprises a Hall sensor (17) connected to the rotating equipment monitoring and diagnosis integrated device (20), wherein the Hall sensor (17) is used to collect motor current data of the motor of the rotating equipment (100).

5. The portable multi-parameter temporary monitoring device for rotating equipment in a nuclear power plant according to claim 1, characterized in that: The portable multi-parameter temporary monitoring device for rotating equipment in a nuclear power plant further comprises a lubricating oil detector (18) connected to the rotating equipment monitoring and diagnosis integrated device (20), wherein the lubricating oil detector is used to collect oil quality data of the lubricating oil of the rotating equipment (100).

6. The portable multi-parameter temporary monitoring device for rotating equipment in a nuclear power plant according to claim 1, characterized in that: The rotating equipment monitoring and diagnosis integrated device (20) comprises a housing, and a collection monitoring module (21) and an edge computing module (22) installed in the housing, wherein the collection monitoring module (21) and the edge computing module (22) are interconnected.

7. The portable multi-parameter temporary monitoring device for rotating equipment in a nuclear power plant according to claim 6, characterized in that: The rotating equipment monitoring and diagnosis integrated device (20) also includes a display screen connected to the acquisition monitoring module (21) and / or the edge computing module (22).

8. The portable multi-parameter temporary monitoring device for rotating equipment in a nuclear power plant according to claim 1, characterized in that: The portable multi-parameter temporary monitoring device for rotating equipment in a nuclear power plant further comprises a server (30) communicatively connected to the rotating equipment monitoring and diagnosis integrated device (20).

9. The portable multi-parameter temporary monitoring device for rotating equipment in a nuclear power plant according to claim 8, characterized in that: The portable multi-parameter temporary monitoring device for rotating equipment in a nuclear power plant further comprises a user terminal (50) communicatively connected to the rotating equipment monitoring and diagnosis integrated device (20) and / or the server (30).

10. The portable multi-parameter temporary monitoring device for rotating equipment in a nuclear power plant according to claim 1, characterized in that: The rotating device (100) comprises a centrifugal pump.

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