JP2001125626A - Plant equipment managing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a plant equipment managing device which can determine a proper inspection period by grasping deterioration trends of equipment from the correlation between operation history data and maintenance history data. SOLUTION: A database system 1 manages various data for managing plant equipment which are saved in a data storage part 2. A decision part 5 decides the inspection period of the plant equipment according to the secular change state evaluation result of the plant equipment evaluated by a state evaluation part 3 and the influence evaluation result of the plant equipment evaluated by an influence evaluation part 4. Then the inspection period, secular change state evaluation result, and influence evaluation result as the decision results are displayed at a display part 6 and outputted to the outside through an output part 7.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention records and manages operation data of a large-scale plant such as a nuclear power plant and inspection history data of plant equipment, and evaluates the deterioration state of equipment based on these data to optimize the equipment. The present invention relates to a plant equipment management device that determines a proper inspection time.

[0002]

2. Description of the Related Art For example, in a nuclear power plant, operation records of the plant are stored as handwritten document data.
The process data is stored as electronic data automatically recorded periodically by a computer. In addition, the equipment status monitoring data is stored as electronic data of the frequency analysis results of vibration and acoustic signals, and the inspection data of the equipment is saved by manually inputting the manually recorded data into a computer later and storing it as electronic data created by the computer. I have.

[0003] Since each data is not uniform in form, it is rarely cross-referenced.
Monitoring during operation and inspection and maintenance of equipment are performed based on individual data.

[0004]

As described above, the relationship between the result of monitoring the status of the equipment during the operation of the plant and the result of the inspection of the equipment during the periodic inspection is sufficiently clarified because the data is not referred to each other. It has not been. For this reason, it is not possible to analyze the correlation between the operation history and the maintenance history and determine an appropriate inspection time from the aging tendency of the equipment due to the continuation of operation. Therefore, the inspection is periodically repeated according to a predetermined inspection cycle. As a result, unnecessary disassembly and inspection work not only increases maintenance costs, but also may impair the soundness of the equipment.

An object of the present invention is to provide a plant equipment management apparatus capable of grasping the deterioration tendency of equipment from correlation between operation history data and maintenance history data and determining an appropriate inspection time.

[0006]

According to a first aspect of the present invention, a plant equipment management apparatus stores a database system for managing various data for managing plant equipment and various data managed by the database system. A data storage unit, a state evaluation unit that evaluates the aging state of the plant equipment based on various data stored in the data storage unit, an influence evaluation unit that evaluates the influence of the aging of the plant equipment, and the state A determining unit that determines an inspection time of the plant equipment based on the aging state evaluation result in the evaluation unit and the impact evaluation result in the impact evaluation unit; and the aging state evaluation result, the impact evaluation result, and the inspection time. A display unit that collectively displays the plant equipment, the aging deterioration state evaluation result, the influence evaluation result, and the inspection time. The is characterized in that an output unit that outputs to collectively external storage medium and the printer for each of the plant equipment.

In the plant equipment management apparatus according to the first aspect of the invention, the database system manages various data for managing the plant equipment stored in the data storage unit. The determination unit determines the inspection time of the plant equipment based on the aging deterioration state evaluation result of the plant equipment evaluated by the state evaluation unit and the effect evaluation result of the plant equipment evaluated by the influence evaluation unit. The inspection time, the aging deterioration state evaluation result, and the impact evaluation result, which are the judgment results, are as follows:
The information is displayed on the display unit and output to the outside via the output unit.

According to a second aspect of the present invention, in the plant equipment management apparatus according to the first aspect of the present invention, the database system records the measured value together with the measurement time in the data storage unit, and stores the data and the non- It is characterized in that data of a regular measurement cycle is managed on the same time axis.

[0009] In the plant equipment management apparatus according to the second aspect of the present invention, in addition to the operation of the first aspect, the database system records the measured value together with the measurement time in the data storage unit, and stores the data and the data of different measurement periods. Data of irregular measurement cycle is managed on the same time axis. Thus, data of different measurement periods and data of irregular measurement periods can be compared and evaluated on the same time axis.

According to a third aspect of the present invention, in the plant equipment management apparatus according to the first aspect of the present invention, the database system includes a tag for each file of various data for managing the plant equipment according to a hardware hierarchy structure of the plant. To enable data search from a plant system component configuration drawing or a plant system component configuration list.

According to a third aspect of the present invention, in addition to the operation of the first aspect of the present invention, the database system further includes a plant system configuration drawing and a plant system configuration based on a tag provided in a file. Search data from the list.

According to a fourth aspect of the present invention, in the plant equipment management apparatus according to the first aspect,
The plurality of signal data to be compared are normalized by the full scale of each signal data to align the value range, and for the display unit,
Divide the display area in the vertical axis direction by the number of signals to be compared, adjust the vertical axis of each signal data so that the maximum amplitude of each signal data falls within each display area, and scale the vertical axis of each signal data. It is described in units before standardization, and is compared and displayed so that each graph line does not overlap.

According to a fourth aspect of the present invention, in the plant equipment management apparatus according to the first aspect of the present invention, the state evaluation unit normalizes a plurality of signal data to be compared on a full scale of each signal data to make the value ranges uniform. . Then, the display area in the vertical axis direction is divided by the number of signals to be compared, and the vertical axis of each signal data is adjusted so that the maximum amplitude of each signal data falls within each display area. The scale is described in the unit before standardization, and is compared and displayed on the display unit so that each graph line does not overlap.

According to a fifth aspect of the present invention, in the plant equipment management apparatus according to the first aspect of the present invention, the state evaluation unit includes:
Based on the accumulated time and the total number of start and stop times under specific operating conditions calculated from the operation record of the plant equipment, evaluate the secular change of the state monitoring data and deterioration data of the plant equipment and display the evaluation result on the display unit. It is characterized by.

According to a fifth aspect of the present invention, in addition to the operation of the first aspect, the state evaluation unit further includes an integrated time and a total start / stop under a specific operation condition calculated from the operation record of the plant equipment. Based on the number of times, the aging of the state monitoring data and the deterioration data of the plant equipment is evaluated, and the evaluation result is displayed on the display unit.

According to a sixth aspect of the present invention, in the plant equipment management apparatus according to the first aspect,
Evaluate the performance of the system including multiple plant equipment and evaluate the validity of input / output signals of individual plant equipment in the system, and check whether the inspection results of each plant equipment are affected by other plant equipment. The determination is made and the result of the determination is displayed on the display unit.

In the plant equipment management apparatus according to a sixth aspect of the present invention, in addition to the function of the first aspect, the state evaluation unit evaluates the performance of a system including a plurality of plant equipment and the performance of each plant equipment of the system. The input / output signal is evaluated for validity, it is determined whether or not the inspection result of each plant device is affected by other plant devices, and the determination result is displayed on the display unit.

According to a seventh aspect of the present invention, in the plant equipment management apparatus according to the first aspect of the present invention, the impact evaluation section may include:
If the state evaluation unit determines that the inspection result of the plant equipment is out of the normal range, the failure mode is determined based on the FMEA data obtained by analyzing the influence of the failure mode corresponding to the determination item. And the effect on other plant equipment is automatically extracted and evaluated, and is displayed on the display unit as related information.

In the plant equipment management apparatus according to the invention of claim 7, in addition to the operation of the invention of claim 1, when the inspection result of the plant equipment is determined by the state evaluation unit to be out of the normal range, The impact assessment unit automatically extracts and evaluates the impact of the failure mode on the system and other plant equipment based on the FMEA data that analyzed the impact of the failure mode corresponding to the determination item, and evaluated it as relevant information. Display on the display.

[0020] In the plant equipment management apparatus according to the invention of claim 8, in the invention of claim 1, the impact evaluation unit comprises:
If it is determined by the state evaluation unit that the inspection result of the plant equipment is out of the normal range, based on the fault tree data describing the cause of the failure corresponding to the determination item and the causal relationship of the result. And automatically extracting and evaluating the result of the cause of the abnormality given to the system and other plant equipment, and displaying the result as related information on the display unit.

[0021] In the plant equipment management apparatus according to the invention of claim 8, in addition to the operation of the invention of claim 1, when the inspection result of the plant equipment is determined to be out of the normal range by the state evaluation unit, Based on the fault tree data describing the cause of the failure corresponding to the determination item and the causal relationship of the result, the impact evaluation unit automatically extracts the result that the cause of the abnormality gives to the system and other plant equipment. It is evaluated and displayed on the display unit as related information.

According to a ninth aspect of the present invention, in the plant equipment management apparatus according to the first aspect of the present invention, the judging section calculates the aging deterioration result and the failure mode influence analysis data or the abnormal cause and the result causal relation data. Calculate the probability of an emergency shutdown of the plant when the deterioration progresses, and if the emergency shutdown probability exceeds a predetermined threshold, perform the inspection of the plant equipment during the next periodic inspection of the plant Is displayed on the display unit.

According to a ninth aspect of the present invention, in addition to the operation of the first aspect, the plant equipment management apparatus determines based on aging evaluation results and failure mode influence analysis data or abnormality cause and result causal relation data. The unit calculates the probability of an emergency stop of the plant if the progress of deterioration proceeds, and if the emergency stop probability exceeds a predetermined threshold value, the plant equipment is subjected to periodic inspection at the next plant. An instruction to perform the inspection is displayed on the display unit.

According to a tenth aspect of the present invention, in the plant equipment managing apparatus according to the first aspect, the external storage medium is a magnetic disk, a magnetic tape, a CD-R, a CD-R / W,
DVD-RAM, MO.

According to a tenth aspect of the present invention, in addition to the operation of the first aspect, in addition to the operation of the first aspect, a series of information on inspection results for each plant device is stored in a magnetic disk, a magnetic tape, a CD-R, a CD-R. It is stored in external storage media such as R / W, DVD-RAM, and MO.

[0026]

Embodiments of the present invention will be described below. FIG. 1 is a block configuration diagram of a plant equipment management apparatus according to an embodiment of the present invention.

In FIG. 1, a database system 1
Inputs and manages various data for managing plant equipment, and various data managed by the database system 1 are stored in the data storage unit 2. The data stored in the data storage unit 2 includes plant operation record data D1 and process signal data D2, device operation record data D3 including device health monitoring data, device inspection record data D4 including maintenance and inspection history data, and device inspection record data D4. It is composed of FMEA and FTA data D5 and design specification data D6 including FMEA data analyzing the effect according to the failure mode, fault tree data describing the cause of equipment degradation and the causal relationship of the result.

The state evaluation section 3 evaluates the aging state of the plant equipment based on various data stored in the data storage section 2, and the influence evaluation section 4 evaluates the aging effect of the plant equipment. Further, the determination unit 5 determines the inspection time of the plant equipment based on the aging state evaluation result of the state evaluation unit 3 and the influence evaluation result of the influence evaluation unit 4.

The results of the evaluation of the aged deterioration state, the results of the influence evaluation, and the inspection times are collectively displayed on the display unit 6 for each plant device. The data is output to the storage medium 8 and the printer 9. As the external storage medium 8, a magnetic disk, a magnetic tape, a CD-R, a CD-R / W, a DVD-RA
M, MO, etc. are used, and a series of information on the inspection result is output to these external storage media 8 as electronic data and stored. The document is output to the printer 9 as a document.

When new equipment inspection data is obtained, the database system 1 updates and stores the data in the data storage unit 2, and the state evaluation unit 3 stores the plant operation record data and process data, equipment operation record and soundness monitoring data, and maintenance data. The aged deterioration state of the plant equipment is evaluated based on the inspection history data. In response to this result, the impact evaluation unit 4 analyzes the effect according to the failure mode of the device.
From the EA data or the fault tree data describing the cause of the equipment deterioration and the causal relationship of the result, the cause and the influence of the aging deterioration of the plant equipment are evaluated.

The determining unit 5 determines the inspection time of the plant equipment based on the evaluation result of the aged deterioration state and the effect evaluation result. The display unit 7 displays the state evaluation result and the impact evaluation result collectively for each device. The output unit stores the state evaluation result and the influence evaluation result in the external storage medium 8 and outputs the result to the printer 9 as a document.

FIG. 2 shows a flow of a normal operation of the plant equipment management apparatus. The database system 1 determines whether new device inspection data of a plant device has been input (S1). When new equipment inspection data is input, the data is updated in the data storage unit 2. The state evaluation unit 3 evaluates the state of deterioration of the plant equipment (S
2). That is, from the operation record data and process data of the plant, the operation record and soundness monitoring data of the plant equipment, and the maintenance and inspection history data, the vibrations corresponding to the integrated operation time, the number of times of starting and stopping, the operating conditions, etc. The results of monitoring the status of abnormal noise and the like, and the results of inspections such as the amount of wear are examined to evaluate the aging deterioration.

When the state evaluation unit 3 determines that the deterioration has progressed and deviates from the normal range (S3), the influence evaluation unit 4 analyzes the FMEA data obtained by analyzing the effect according to the failure mode of the plant equipment. Or from fault tree data describing the cause of equipment degradation and the consequences of the consequences, extracting and examining items necessary for checking the impact of degradation, and affecting the operating performance of other equipment, systems and plants The influence is evaluated (S4).

The judging unit 5 obtains a probability that a decrease in operating performance due to deterioration of the plant equipment will cause an emergency stop of the plant based on the evaluation result of the aged deterioration state and the influence evaluation result. Is determined (S
6) If it exceeds a predetermined threshold value, it is urged to perform maintenance at the next periodic inspection (S7). That is,
The display unit 6 collectively displays the state evaluation result and the impact evaluation result as a medical record of the plant equipment (S8), and outputs the state evaluation result and the effect evaluation result to the external storage medium 8 and the printer 9 from the output unit 7. Output (S9).

FIG. 3 is an explanatory diagram of time-series data among data stored in the data storage unit 2 according to the embodiment of the present invention.

The database system 1 records the measured value in the data storage unit 2 together with the measurement time. And
Data of different measurement periods and data of irregular measurement periods are managed on the same time axis.

In FIG. 3A, the format of time-series data related to plant operation and maintenance is composed of a measured time and a value at that time. The time-series data includes plant operation record data and process signal data, equipment operation records and soundness monitoring data, maintenance inspection history data, and the like.
For these time series data, each signal value is recorded together with the measurement time.

The data format is a two-dimensional array, which is a sequence of signals to be measured simultaneously in the row direction. The first row records the measurement time, and the signal value at each time is recorded in the column direction. When a plurality of signals are simultaneously recorded by a computer or the like, or when the same time can be regarded as the same time by manual recording, they are recorded on the same line. By adopting such a data format, FIG.
As shown in (b), it is possible to draw a trend of data of different measurement periods or data of irregular measurement periods on the same time axis, and analyze a time change of each signal.

FIG. 4 is an explanatory diagram of a hierarchical structure of a data file stored in the data storage unit 2 according to the embodiment of the present invention. The database system 1 uses a tag provided in each file of various data for managing plant equipment in accordance with the hardware hierarchy of the plant to search for data from the system equipment configuration drawing of the plant or the system equipment configuration list of the plant. Making it possible.

That is, file tags indicating various data files are provided, and the file tags are recorded and stored in accordance with the hardware hierarchy structure of the plant, such as the plant, the system, and the equipment. This enables data retrieval from the system appliance configuration drawing and the system appliance configuration list.

FIG. 5 is an explanatory diagram of the processing contents when the scale of the graph is standardized by the state evaluation unit 3 according to the embodiment of the present invention.

In FIG. 5, the state evaluation section 3 converts a plurality of signal data X, Y, and Z to be compared into each of the signal data X, Y, and Z.
Are standardized at the full scale of, and the range of values is made uniform, and the display area in the vertical axis direction is divided by the number of signals to be compared. Then, the vertical axis of each signal data is adjusted so that the maximum amplitude of each signal data X, Y, Z falls within each display area, and the scale of the vertical axis of each signal data is described in units before standardization. . As a result, comparison display is performed on the display unit 6 so that the graph lines do not overlap.

A plurality of signal data X having different units and different digits,
When comparing Y and Z on the same time axis, if the scale of the vertical axis is determined so that signal behavior with a large absolute value can be displayed,
Changes in the signal having a small absolute value cannot be read. Therefore, the value of each signal data X, Y, Z is changed to each signal data X,
Normalized in full scale of Y and Z, and plotted on a graph after aligning the range of absolute value, and the scale of the vertical axis shows the original value by the number of each signal data X, Y and Z. Ensure that signal behavior can be fully represented.

Further, the display area in the vertical axis direction is divided by the number of signals to be compared, and the vertical axis of each signal data X, Y, Z is set so that the maximum amplitude of each signal data X, Y, Z falls within each area. Is adjusted, and the scale of the vertical axis of each signal data X, Y, Z is described in a unit before standardization. Thus, the graph lines are displayed so as not to overlap with each other so that the change characteristics of each signal can be grasped.

FIG. 6 is an explanatory diagram of processing contents when the state evaluation unit 3 in the embodiment of the present invention evaluates the secular change of the state monitoring data and the deterioration data of the plant equipment.

For example, as shown in FIG. 6, when the pump A is used, the number of times of starting and stopping, the discharge pressure equal to or more than a specific value, the integrated operation time under the flow rate condition, and the like are calculated from the operation record data. Then, the peak value of the frequency analysis of the shaft vibration data and the wear amount of the shaft are plotted on the vertical axis. Thereby, the progress of the deterioration accompanying the operation is grasped.

As described above, in the state evaluation section 3, the state monitoring data (for example, shaft vibration) and the deterioration of the plant equipment are calculated based on the integrated time and the total number of times of starting and stopping under specific operating conditions calculated from the operation record of the plant equipment. The secular change of the data (for example, the amount of wear of the shaft) is evaluated, and the evaluation result is displayed on the display unit 6.

That is, specific operating conditions such as temperature and pressure, the total operating time under the operating conditions, the total number of times of starting and stopping, and the like are calculated from the operation records of the target plant equipment, and the horizontal axis represents vibration, sound, and the like. By plotting the state monitoring and inspection data on the vertical axis, the progress of deterioration of the plant equipment can be grasped.

FIG. 7 is a flowchart showing processing performed by the state evaluation unit according to the embodiment of the present invention when evaluating the performance of a system including a plurality of plant equipment and evaluating the validity of input / output signals of individual plant equipment in the system. FIG.

In FIG. 7A, when the target plant equipment A2 is included in the system A, the validity of the input / output of not only the plant equipment A2 but also the system A, the plant equipment A1, and the plant equipment A3. Also check the gender. FIG.
7B shows the result of checking the validity of the system A, FIG. 7C shows the result of checking the plant device A1, FIG. 7D shows the result of checking the plant device A2, and FIG. 7E shows the result of checking the plant device A3. The result.

Thus, it is possible to determine whether or not the inspection result of the plant device A2 is affected by the other plant devices A1 and A3. In the case of the example shown in FIG.
The abnormal response of the system A is caused by the abnormal response of the plant device A1, and the value of the output signal a2 of the plant device A1 is lower than normal. For this reason, although the output signal a3 of the plant equipment A2 and the output signal a4 of the plant equipment A3 also decrease, the plant equipment A2 and the plant equipment A3
It turns out that the response of a single unit is normal.

As described above, the state evaluation unit 3 evaluates the performance of a system including a plurality of plant devices and evaluates the validity of input / output signals of individual plant devices in the system, and checks the inspection results of each plant device. It is determined whether or not it is affected by other plant equipment, and the determination result is displayed on the display unit 6. Therefore, it is possible to easily determine whether the inspection result of the plant equipment is affected by other plant equipment.

FIG. 8 is an explanatory diagram of processing contents in the case where the influence evaluating section 4 in the embodiment of the present invention automatically extracts and evaluates the influence of the failure mode on the system and other plant equipment. is there.

FIG. 8 shows a case where some abnormality is found in monitoring or checking the heat exchanger, for example, when the plant equipment is a heat exchanger. That is, the impact evaluation unit 4 evaluates data such as detectable vibration and leak monitoring data described in the FMEA and data on past maintenance contents and presents the relevant information. If internal leakage occurs due to fatigue cracking, vibration is presented as related information, and if external leakage is caused by corrosion, leak drain water level is presented as related information.

That is, when the state evaluation unit 3 determines that the inspection result of the plant equipment is out of the normal range, the influence evaluation unit 4 analyzes the influence of the failure mode corresponding to the determination item. Based on FMEA data, the effect of the failure mode on plants, systems, and other equipment is automatically identified and evaluated. This makes it possible to grasp the influence of the deterioration of the plant equipment on the system and the plant.

FIG. 9 is an explanatory diagram of the processing contents in the case where the effect evaluation unit 4 in the embodiment of the present invention automatically extracts and evaluates the result of the abnormal cause given to the system or other plant equipment. is there.

In FIG. 9, this example shows that when the cooling water pump (A) breaks down and the plant is brought to an emergency stop, the characteristic curve of the cooling water pump (A) and the response of the controller are evaluated and related information is obtained. The case of presentation is shown.

The failure of the cooling water pump (A) may be caused by a failure of the pump discharge side valve, a loss of the pump function, or a failure of the pump inlet side valve. Possible causes include failure of continuous pump operation and occurrence of pump leak. If the continuous pump operation fails, the cause may be a decrease in pump performance or a failure of the pump controller. Therefore, the flow rate pressure characteristic curve of the pump and the response characteristic of the controller are evaluated and presented as related information.

That is, when it is determined that the inspection result of the plant equipment is out of the normal range, the influence evaluating unit 4 describes the cause of the failure corresponding to the determination item and the causal relationship of the result. Based on the fault tree data, the results that the cause of the abnormality gives to the plant, system, or other equipment are automatically identified and evaluated. This makes it possible to grasp the influence of the deterioration of the plant equipment on the system and the plant.

As described above, when any abnormality is found in the monitoring or inspection of the pump, the influence evaluating unit 4 evaluates the characteristic curve of the pump and the response of the controller from the monitoring data of the initiating event described in the fault tree. I do. Then, the related information is displayed on the display unit 6.

FIG. 10 is an explanatory diagram of the processing contents when the judgment unit 5 in the embodiment of the present invention evaluates the inspection time of the plant equipment.

The judging unit 5 calculates the probability of an emergency stop of the plant when the progress of the deterioration has progressed, based on the aging deterioration evaluation result and the failure mode influence analysis data or the abnormality cause and the result causal relationship data, If the emergency stop probability exceeds a predetermined threshold value, an instruction to execute the inspection of the plant equipment is displayed on the display unit 6 at the time of the next periodic inspection of the plant.

The probability of an emergency stop of the plant when the function of the plant equipment is lost due to deterioration is calculated. If the emergency stop probability exceeds a predetermined allowable value in the future, FIG. As shown in (1), an instruction to perform inspection of the plant equipment is given at the time of the next periodic inspection of the plant.

If the system is redundant and a spare machine exists in the plant equipment, and isolation is possible during operation, online maintenance is recommended. At this time,
During maintenance, the operation is performed without the standby system, and the emergency stop probability of the plant increases.
As shown in (b), an online maintenance is instructed when the value falls within a certain allowable value.

Here, the display unit 6 displays the evaluation result of the inspection data of the plant equipment, the determination result of whether or not other equipment is affected, the related information on the influence of deterioration, the determination result of the inspection time, and the like. The information is displayed as a series of information on the plant equipment. As a result, the plant equipment manager can appropriately manage the plant equipment.

[0066]

As described above, according to the present invention, it is possible to grasp the deterioration state and determine an appropriate inspection time based on the operation history of the plant equipment, the state monitoring of the plant equipment, and the maintenance history. . In other words, the correlation between plant operation history data and maintenance history data can be used to determine the deterioration tendency of plant equipment and determine the appropriate inspection time, thus reducing maintenance costs while ensuring the soundness of plant equipment. Can be realized.

[Brief description of the drawings]

FIG. 1 is a block diagram of a plant equipment management apparatus according to an embodiment of the present invention.

FIG. 2 is a flowchart showing normal processing contents of the plant equipment management apparatus according to the embodiment of the present invention.

FIG. 3 is an explanatory diagram of time-series data among data stored in a data storage unit according to the embodiment of the present invention.

FIG. 4 is an explanatory diagram of a hierarchical structure of a data file stored in a data storage unit 2 according to the embodiment of the present invention.

FIG. 5 is an explanatory diagram of processing contents when a state evaluation unit normalizes a graph scale in the embodiment of the present invention.

FIG. 6 is an explanatory diagram of processing contents when the state evaluation unit according to the embodiment of the present invention evaluates the secular change of the state monitoring data and the deterioration data of the plant equipment.

FIG. 7 is an explanatory diagram of processing contents when the state evaluation unit according to the embodiment of the present invention evaluates the performance of a system including a plurality of plant devices and evaluates the validity of input / output signals of individual plant devices of the system. .

FIG. 8 is an explanatory diagram of processing contents in a case where the influence evaluating section in the embodiment of the present invention automatically extracts and evaluates the influence of the failure mode on the system and other plant equipment.

FIG. 9 is an explanatory diagram of processing contents in a case where the effect evaluation unit in the embodiment of the present invention automatically extracts and evaluates a result of the abnormal cause given to a system or another plant device, and evaluates the result.

FIG. 10 is an explanatory diagram of a processing content when a judgment unit according to the embodiment of the present invention evaluates an inspection time of plant equipment.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Database system 2 Data storage part 3 State evaluation part 4 Impact evaluation part 5 Judgment part 6 Display part
7 output unit 8 storage media 9 printer

Claims (10)

[Claims] 1. A database system for managing various data for managing plant equipment, a data storage unit for storing various data managed by the database system, and a data storage unit based on the various data stored in the data storage unit. A state evaluation unit that evaluates the aging state of the plant equipment, an influence evaluation unit that evaluates the influence of the aging of the plant equipment, an aging state evaluation result in the state evaluation unit, and an influence in the influence evaluation unit. A determining unit that determines an inspection time of the plant equipment based on the evaluation result; a display unit that collectively displays the aging state evaluation result, the impact evaluation result and the inspection time for each of the plant equipment; The state evaluation result, the impact evaluation result, and the inspection time are summarized for each of the plant devices, and the external storage medium and the A plant equipment management device, comprising: 2. The system according to claim 1, wherein the database system records the measured value together with the measurement time in the data storage unit, and manages data of different measurement periods and data of irregular measurement periods on the same time axis. The plant equipment management device according to claim 1. 3. The database system according to claim 1, wherein a tag is provided in each file of various data for managing the plant equipment according to a hardware hierarchy structure of the plant. The apparatus according to claim 1, wherein data retrieval is enabled. 4. The state evaluation unit normalizes a plurality of signal data to be compared with a full scale of each signal data to align a range of values, and displays the number of signals to be compared on the display unit in a vertical axis direction. Divide the display area, adjust the vertical axis of each signal data so that the maximum amplitude of each signal data falls within each display area, describe the scale of the vertical axis of each signal data in units before standardization, The plant equipment management device according to claim 1, wherein comparison display is performed so that each graph line does not overlap. 5. The state evaluation unit evaluates the secular change of the state monitoring data and the deterioration data of the plant equipment based on the integrated time and the total number of start and stop times under specific operating conditions calculated from the operation record of the plant equipment. 2. The evaluation result is displayed on the display unit.
A plant equipment management device according to item 1. 6. The state evaluation unit performs a performance evaluation of a system including a plurality of plant devices and a validity evaluation of input / output signals of individual plant devices of the system, and checks an inspection result of each plant device for another plant device. The plant equipment management device according to claim 1, wherein it is determined whether or not the equipment is affected by the plant equipment, and the determination result is displayed on the display unit. 7. When the condition evaluation unit determines that the inspection result of the plant equipment is out of a normal range, the influence evaluation unit analyzes an influence of a failure mode corresponding to the determination item. 2. The plant according to claim 1, wherein the influence of the failure mode on the system and other plant equipment is automatically extracted and evaluated based on the FMEA data, and is displayed on the display unit as related information. Equipment management device. 8. The method according to claim 1, wherein when the condition evaluation unit determines that the inspection result of the plant equipment is out of a normal range, the influence evaluation unit determines a cause of the failure corresponding to the determination item and a result of the failure. Based on fault tree data describing a causal relationship, a result of the abnormal cause given to a system or other plant equipment is automatically extracted and evaluated, and displayed on the display unit as related information. Item 1
A plant equipment management device according to item 1. 9. The determining unit calculates a probability that an emergency stop of a plant will occur when the progress of deterioration progresses from an aging deterioration evaluation result and failure mode influence analysis data or an abnormal cause and result causal relation data. 2. The method according to claim 1, wherein when the emergency stop probability exceeds a predetermined threshold, an instruction to perform inspection of the plant equipment is displayed on the display unit at the time of periodic inspection of the next plant. The plant equipment management device according to the above. 10. The apparatus according to claim 1, wherein the external storage medium is a magnetic disk, magnetic tape, CD-R, CD-R / W, DVD-RAM, or MO. .