CN111340372A - Maintenance method and system for preventive production activity outline of nuclear power station - Google Patents
Maintenance method and system for preventive production activity outline of nuclear power station Download PDFInfo
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Abstract
The invention relates to the technical field of information-based construction, and particularly discloses a maintenance method and a maintenance system for a preventive production activity outline of a nuclear power station. Wherein, the comprehensive checking period coefficient is related to the operation reliability, the operation frequency and the operation working environment of the working equipment. The comprehensive inspection period coefficient is used as a necessary condition for the establishment of the inspection project period, so that the establishment of the inspection project period is more scientific and reasonable and better conforms to the actual use state of working equipment, the safe operation of the unit equipment of the nuclear power station can be guaranteed, and the safety of the staff of the nuclear power station can be guaranteed.
Description
Technical Field
The invention relates to the technical field of informatization construction, in particular to a maintenance method and a system for a preventive production activity outline of a nuclear power station.
Background
The safe operation of a nuclear power plant has always been the central importance of nuclear power plant management, and the periodic inspection of each piece of working equipment required for the production activities of the nuclear power plant is the main task of nuclear power plant management. The regular inspection of the working equipment generally includes first making a preventive production activity outline, and inspecting each inspection item of each working equipment in an inspection period made according to the preventive production activity outline. In the prior art, the inspection period of each working device is manually set according to experience, and because the working devices of the nuclear power plant are various in types and numerous in quantity, the preventive production activity outline is manually set and maintained so as to be far from meeting the requirements of the production activities of the nuclear power plant, so that a maintenance system of the preventive production activity outline needs to be designed so as to meet the actual requirements of the production activities of the nuclear power plant.
Disclosure of Invention
The invention mainly solves the technical problem that the maintenance mode of the preventive production activity outline of the nuclear power station in the prior art cannot meet the actual needs of the nuclear power station.
According to a first aspect, an embodiment provides a maintenance method for a preventive production activity outline of a nuclear power plant, comprising:
acquiring an inspection project of each working device for production activities of the nuclear power plant and a preset inspection period of each inspection project;
acquiring a comprehensive inspection period coefficient of each working device, wherein the comprehensive inspection period coefficient is related to the running reliability, the running frequency and/or the running working environment of the working device;
acquiring the inspection period of each inspection item of the working equipment according to the comprehensive inspection period coefficient and the preset inspection period of the inspection item;
and acquiring the preventive production activity outline which comprises the inspection period of each inspection item of each working device for the production activity of the nuclear power plant.
Further, the comprehensive checking period coefficient is related to the operational reliability, the operational frequency and/or the operational working environment of the working device, and includes:
the comprehensive inspection period coefficient is obtained according to the reliability grade, the operation frequency grade and/or the working environment grade; the reliability grade is a grade preset according to the criticality, the importance, the economic benefit type and/or the running state of the working equipment, the running frequency grade is a grade preset according to the use frequency of the working equipment, and the working environment grade is a grade preset according to the severity of the working environment of the working equipment.
Further, the comprehensive checking period coefficient is obtained according to a reliability grade, an operation frequency grade and/or a working environment grade, and comprises the following steps:
the comprehensive inspection period coefficient is the product of the reliability coefficient, the running frequency coefficient and the working environment coefficient; the reliability coefficient is a coefficient preset according to a reliability grade of the working equipment, the operating frequency coefficient is a coefficient preset according to an operating frequency grade of the working equipment, and the working environment coefficient is a coefficient preset according to a working environment grade of the working equipment.
Further, the inspection items of the working equipment include visual inspection, operability inspection, verification inspection and/or wearing part replacement.
Further, the obtaining of the inspection period of each inspection item of the working device according to the comprehensive inspection period coefficient and the preset inspection period of the inspection item includes:
and the checking period of each checking item of the working equipment is the product of the comprehensive checking period coefficient and the preset checking period of the checking item.
Further, still include:
and outputting working equipment maintenance prompt information according to the preventive production activity outline, wherein the working equipment maintenance prompt information comprises the inspection time of each inspection item of each working equipment.
Further, still include:
and acquiring feedback information input by the inspection personnel of the working equipment after inspecting the inspection items.
Further, still include:
and adjusting the preset inspection period of the inspection item according to the feedback information so as to adjust the inspection period of the inspection item.
Further, the adjusting the preset inspection period of the inspection item according to the feedback information includes:
the feedback information includes inspection result information of each inspection item of the working equipment, and the inspection result information includes an undetermined state, an unexpected state, a good state, an acceptable state, an unsatisfactory state, and/or a failure.
The reliability grade comprises a C grade, an S grade and/or an E grade; wherein, the C level is key working equipment, the S level is important working equipment, and the E level is economic benefit type working equipment;
when the inspection result information of one inspection item of the C-level working equipment for three times is acceptable, prolonging the preset inspection period of the inspection item;
when the information of the inspection result of one inspection item of the S-level working equipment which is continuously checked twice is good, prolonging the preset inspection period of the inspection item;
when the inspection result information of one inspection item of the E-level working equipment is good, prolonging the preset inspection period of the inspection item;
when the inspection result information of one inspection item of the C-level working equipment is unsatisfactory or invalid, shortening the preset inspection period of the inspection item;
when the information of the inspection result of one inspection item of the S-level working equipment which is continuously checked twice is not satisfactory or invalid, shortening the preset inspection period of the inspection item;
and when the information of the inspection result of one inspection item of the E-level working equipment which is continuously checked twice is not satisfied or invalid, shortening the preset inspection period of the inspection item.
According to a second aspect, there is provided in another embodiment a management system for a preventive production campaign outline for a nuclear power plant, comprising:
a memory for storing a program;
a processor for implementing the maintenance method according to the first aspect by executing the program stored in the memory.
According to the maintenance method and the maintenance system for the preventive production activity outline of the nuclear power plant, firstly, the inspection item of each working device of the nuclear power plant and the preset inspection period of the preset inspection item are obtained, then the comprehensive inspection period coefficient of each working device is obtained, then the inspection period of each inspection item of each working device is obtained according to the comprehensive inspection period coefficient and the preset inspection period, and further the preventive production activity outline is obtained, wherein the preventive production activity outline comprises the inspection period of each inspection item of each working device used for the production activity of the nuclear power plant. Wherein, the comprehensive checking period coefficient is related to the operation reliability, the operation frequency and the operation working environment of the working equipment. The comprehensive inspection period coefficient is used as a necessary condition for the establishment of the inspection project period, so that the establishment of the inspection project period is more scientific and reasonable and better conforms to the actual use state of working equipment, the safe operation of the unit equipment of the nuclear power station can be guaranteed, and the safety of the staff of the nuclear power station can be guaranteed.
Drawings
FIG. 1 is a schematic flow chart diagram of a method for maintaining a preventive production campaign schema for a nuclear power plant in one embodiment;
FIG. 2 is a schematic diagram illustrating the adjustment of the preventive production activity outline of the nuclear power plant in one embodiment.
Detailed Description
The present invention will be described in further detail with reference to the following detailed description and accompanying drawings. Wherein like elements in different embodiments are numbered with like associated elements. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in detail in order to avoid obscuring the core of the present application from excessive description, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.
Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments. Also, the various steps or actions in the method descriptions may be transposed or transposed in order, as will be apparent to one of ordinary skill in the art. Thus, the various sequences in the specification and drawings are for the purpose of describing certain embodiments only and are not intended to imply a required sequence unless otherwise indicated where such sequence must be followed.
The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings).
In the prior art, a preventive production activity outline of a nuclear power plant is established according to department management functions, and belongs to a modularized decentralized outline, and each production device comprises a plurality of inspection items, and each inspection item can be formulated and executed by different management departments, namely, aiming at maintenance of any production device, a phenomenon of 'nine dragons controlling water' appears in a plurality of preventive production activity outlines of a plurality of management departments. And each management department has different inspection standards for production equipment and different final detection results, which not only wastes manpower and material resources, but also is not beneficial to the safety production activities of the nuclear power station. In addition, the preventive production activity outline in the prior art does not establish an automatic feedback adjustment mechanism, and cannot be changed after being formulated, so that the record of feedback information after the inspection operation is performed on an inspection site is lacked, and the adaptive adjustment of the inspection period of the production equipment according to the feedback information is lacked.
In the embodiment of the invention, the inspection items and the preset inspection periods of the inspection items of each working device of the nuclear power station are firstly obtained, the comprehensive inspection period coefficients of each working device are then obtained, the inspection periods of each inspection item are formulated according to the comprehensive inspection period coefficients and the preset inspection periods, and then the preventive production activity outline is obtained. Wherein, the comprehensive checking period coefficient is related to the operation reliability, the operation frequency and the operation working environment of the working equipment. The comprehensive inspection period coefficient is used as a necessary condition for the establishment of the inspection project period, so that the establishment of the inspection project period is more scientific and reasonable and better conforms to the actual use state of working equipment, the safe operation of the unit equipment of the nuclear power station can be guaranteed, and the safety of the staff of the nuclear power station can be guaranteed.
Example one
Referring to fig. 1, a schematic flow chart of a method for maintaining a preventive production activity outline of a nuclear power plant according to an embodiment of the present invention is shown, where the method includes:
step 110, acquiring the inspection items and the preset inspection period.
An inspection item for each working device of a nuclear power plant production activity and a preset inspection period for each inspection item are acquired. The method comprises the steps of counting all working equipment needing to be checked regularly in production activities of the nuclear power plant to obtain working equipment statistical information, wherein the working equipment statistical information comprises working equipment information, check items of each working equipment and a preset check period of each check item. In one embodiment, statistics is performed on working equipment which needs to be periodically checked by all management departments of the nuclear power plant, and therefore integrated management is achieved on checking work of all the working equipment of the nuclear power plant. The preset inspection period can be initialized and preset according to the maintenance requirement of nuclear power on working equipment or according to the experience of inspection personnel.
And step 120, acquiring a comprehensive inspection period coefficient.
And acquiring the comprehensive inspection period coefficient of each working device. The comprehensive inspection period coefficient is related to the operation reliability, the operation frequency and the operation working environment of the working equipment, namely the comprehensive inspection period coefficient is obtained according to the reliability grade, the operation frequency grade and the working environment grade, and is preset for the reliability grade, the operation frequency grade and the working environment grade. The reliability grade is a grade preset according to the criticality, the importance, the economic benefit type and/or the running state of the working equipment, the running frequency grade is a grade preset according to the use frequency of the working equipment, and the working environment grade is a grade preset according to the severity of the working environment of the working equipment. The reliability coefficient is a coefficient preset according to a reliability grade of the working equipment, the operating frequency coefficient is a coefficient preset according to an operating frequency grade of the working equipment, and the working environment coefficient is a coefficient preset according to an operating environment grade of the working equipment.
In one embodiment, the reliability coefficient is set by performing dependency grading on the working equipment according to the severity of the single fault consequence of each working equipment of the nuclear power plant, and the grading is based on the safety, production, cost and other comprehensive factors of the nuclear power plant. The reliability rating is classified into 4 grades, as shown in the following table:
| reliability rating | Description of the invention | Coefficient of reliability |
| Class C | Key points | 0.67 |
| Class S | Of importance | 1 |
| Class E | Economy of production | 1.5 |
| R grade | Move to maintenance | 0 |
In the reliability grade table, grade C is a key working device, grade S is an important working device, grade E is an economic benefit type working device, grade R is a working device in operation or maintenance state, and the reliability coefficients corresponding to the grades are preset to be 0.67, 7, 1.5 and 0.
In one embodiment, according to the working environment and the operating frequency of each working device of the nuclear power plant, the working device is classified into an operating frequency class and a working environment class, so as to preset an operating frequency coefficient and a working environment coefficient. The operation frequency class and the working environment class are respectively divided into 2 classes as shown in the following table:
the operating frequency classes include H (high) class and L (low) class, with operating frequency coefficients of 1 and 1.25, respectively. The working environment grades comprise S (severe) grade and M (normal) grade, and the working environment coefficients are 1 and 1.25 respectively.
The comprehensive inspection period coefficient is obtained by multiplying the reliability coefficient, the operation frequency coefficient and the working environment coefficient, namely the reliability coefficient, the operation frequency coefficient and the working environment coefficient corresponding to each working device. In order to facilitate understanding of the comprehensive inspection period coefficient in the present embodiment, the acquisition of the comprehensive inspection period coefficient is exemplified below. For example, device No. 1 and device No. 2, the comprehensive checking period coefficients of device No. 1 and device No. 2 are shown in the following table:
| device serial number | Reliability of | Frequency of operation | Working environment | Rank of | Comprehensive inspection period coefficient |
| Number 1 device | C (Key) | H (high) | S (bad) | CHS | 0.67*1*1＝0.67 |
| Number 2 device | S (important) | L (Low) | S (bad) | SHS | 1*1.25*1＝1.25 |
The reliability grade of the No. 1 equipment is C grade, the running frequency grade is H grade, the working environment grade is S grade, and the comprehensive inspection period coefficient of the No. 1 equipment is 0.67 x 1 x 0.67; and the reliability grade of the device No. 2 is S grade, the operating frequency grade is L grade, the working environment grade is S grade, and the comprehensive inspection period coefficient of the device No. 2 is 1 × 1.25 × 1 ═ 1.25.
Step 130, obtaining a check period.
And acquiring the inspection period of each inspection item of the working equipment according to the comprehensive inspection period coefficient and the preset inspection period of the inspection item. The method comprises the steps of firstly obtaining working equipment statistical information, wherein the working equipment statistical information comprises the type of each working equipment, the inspection item of each type of working equipment and a preset inspection period preset for each inspection item, the type of the working equipment comprises a high-pressure cylinder, a pneumatic valve and the like, the inspection items of the working equipment comprise visual inspection, operability inspection, verification inspection, wearing part replacement and the like, and the preset inspection period of each inspection item can be preset according to the experience of an inspector or related regulations and operation manuals. Wherein, the replacement of the wearing parts is that the inspection period of each inspection item of each working device is the product of the comprehensive inspection period coefficient and the preset inspection period of the inspection item. For example: the device No. 2 is an electromagnetic valve, the class type of which is SHS, namely the comprehensive inspection period coefficient is 1.25. The working device statistics for device No. 2 are as follows:
in the table, W represents a first preset time, C represents a second preset time, in one embodiment, 1C is 18 months, and 1W is 1 month. As can be known from the working equipment statistical information table of the No. 2 equipment, the No. 2 equipment is an electromagnetic valve, the inspection items comprise visual inspection, operability inspection, verification inspection and quick-wear part replacement, and the preset inspection period of each inspection item is 1W, 1C and 6C respectively. The inspection cycle of each inspection item of the equipment solenoid valve No. 2 is shown in the following table:
in the table, W represents a first preset time, and C represents a second preset time. The cycle of the visual inspection item of the apparatus solenoid valve No. 2 is obtained as a product obtained by multiplying 1W (preset cycle) and 1.25 (comprehensive inspection cycle coefficient), and the product is rounded for the convenience of practical operation. The inspection cycles of the visual inspection, the operability inspection, the verification inspection and the consumable part replacement in the inspection items of the apparatus # 2 thus obtained are 1W, 1C and 7C, respectively.
Step 140, obtaining a preventive production campaign outline.
The preventive production campaign outline includes an inspection cycle for each inspection item of each working equipment of the nuclear power plant production campaign. And (4) acquiring the inspection period of each inspection item of each working device of the nuclear power station by adopting the method in the step (130), establishing a database as a preventive production activity outline of the nuclear power station, and performing regular inspection on the working devices of the nuclear power station according to the outline.
In an embodiment, the method for maintaining the preventive production campaign outline disclosed in this embodiment further includes:
and 150, outputting maintenance prompt information of the working equipment.
And outputting working equipment maintenance prompt information according to the preventive production activity outline, wherein the working equipment maintenance prompt information comprises the inspection time of each inspection item of each working equipment. For example, the visual inspection cycle of the device solenoid valve No. 2 is 1W, and the working device maintenance prompting information including the visual inspection of the device solenoid valve No. 2 is output every 1W time, that is, every day of the visual inspection cycle.
Step 160, feedback information is obtained.
And acquiring feedback information input by an inspector of the working equipment after the inspector inspects the inspection items. The feedback information includes inspection result information of each inspection item of the working equipment, and the inspection result information includes an undetermined state, unexpected, good, acceptable, unsatisfactory, and/or invalid, and the like. The state which cannot be judged refers to support of management and other types of maintenance work or cancel and unexecuted maintenance work; unexpected refers to aging-related defects that are not managed by outline expectation, such as defects caused by random reasons such as improper maintenance, spare part defects, design defects, foreign matter, improper operation, and the like; good means that all parts of the equipment are in good states, and the equipment can continue to operate stably without maintenance; acceptable means that the state of main components of the equipment is normal, a small amount of abnormal components are required to be maintained due to the operation of the equipment, and the normal operation of the equipment is possibly influenced if the equipment is continuously operated; the dissatisfaction means that the normal and stable operation of the equipment is influenced due to more abnormity of spare parts; failure means that the equipment parts have failed to operate normally and stably. After the inspectors of the working equipment inspect various inspection items of the working equipment, the inspection result information is input into the preventive production activity outline.
Step 170, adjust the checking period.
And adjusting the preset inspection period of the inspection items according to the feedback information so as to adjust the inspection period of the inspection items. In one embodiment, the preset check period is adjusted according to the reliability level of the working device, wherein the reliability level includes a level C, a level S and/or a level E. Wherein, C level is the key working equipment, S level is the important working equipment, E level is the economic benefit type working equipment. The feedback information includes inspection result information including good, acceptable, unsatisfactory, and/or failed, etc. When the inspection result information of one inspection item of the C-level working equipment for three times is acceptable, prolonging the preset inspection period of the inspection item; when the information of the inspection result of one inspection item of the S-level working equipment which is continuously checked twice is good, prolonging the preset inspection period of the inspection item; when the inspection result information of one inspection item of the E-level working equipment is good, prolonging the preset inspection period of the inspection item; when the inspection result information of one inspection item of the C-level working equipment is unsatisfactory or invalid, shortening the preset inspection period of the inspection item; when the information of the inspection result of one inspection item of the S-level working equipment which is continuously checked twice is not satisfactory or invalid, shortening the preset inspection period of the inspection item; and when the information of the inspection result of one inspection item of the E-level working equipment which is continuously checked twice is not satisfied or invalid, shortening the preset inspection period of the inspection item. As shown in the following table:
due to the fact that the preset inspection period is adjusted, the inspection period of each inspection item of the working equipment is adjusted accordingly, and adaptive adjustment of the preventive production activity outline through the feedback information is achieved.
Referring to fig. 2, a schematic diagram of an embodiment of an adjustment of a schematic outline of a preventive production activity of a nuclear power plant is shown, in the embodiment of the present application, the outline is first obtained, an inspection item and a preset inspection period of the inspection item of each working device of the nuclear power plant are obtained, and then a comprehensive inspection period coefficient of each working device is obtained; and secondly, establishing an inspection period of each inspection item according to the comprehensive inspection period coefficient and a preset inspection period, and further acquiring a preventive production activity outline.
And then executing the outline, and managing the inspection period of the inspection project of each working device according to the preventive production activity outline so as to send out the maintenance prompt information of the working devices to the inspection personnel.
And then acquiring feedback information, and receiving the feedback information input by the inspector.
And finally, adjusting the outline, namely adjusting the preset inspection period according to the feedback information, and further realizing the adaptive adjustment of the preventive production activity outline through the feedback information.
The method disclosed by the application improves the timeliness of the preventive production activity outline evaluation of the working equipment, reduces or avoids invalid and repetitive production maintenance activities, reduces the risk or hidden danger brought to the safe and stable operation of the unit by the preventive production activities, and simultaneously reduces unnecessary human resources and maintenance cost investment generated by the repetitive production maintenance activities.
Those skilled in the art will appreciate that all or part of the functions of the various methods in the above embodiments may be implemented by hardware, or may be implemented by computer programs. When all or part of the functions of the above embodiments are implemented by a computer program, the program may be stored in a computer-readable storage medium, and the storage medium may include: a read only memory, a random access memory, a magnetic disk, an optical disk, a hard disk, etc., and the program is executed by a computer to realize the above functions. For example, the program may be stored in a memory of the device, and when the program in the memory is executed by the processor, all or part of the functions described above may be implemented. In addition, when all or part of the functions in the above embodiments are implemented by a computer program, the program may be stored in a storage medium such as a server, another computer, a magnetic disk, an optical disk, a flash disk, or a removable hard disk, and may be downloaded or copied to a memory of a local device, or may be version-updated in a system of the local device, and when the program in the memory is executed by a processor, all or part of the functions in the above embodiments may be implemented.
The present invention has been described in terms of specific examples, which are provided to aid understanding of the invention and are not intended to be limiting. For a person skilled in the art to which the invention pertains, several simple deductions, modifications or substitutions may be made according to the idea of the invention.
Claims (10)
1. A method for maintaining a preventive production campaign schema for nuclear power plants, comprising:
acquiring an inspection project of each working device for production activities of the nuclear power plant and a preset inspection period of each inspection project;
acquiring a comprehensive inspection period coefficient of each working device, wherein the comprehensive inspection period coefficient is related to the running reliability, the running frequency and/or the running working environment of the working device;
acquiring the inspection period of each inspection item of the working equipment according to the comprehensive inspection period coefficient and the preset inspection period of the inspection item;
and acquiring the preventive production activity outline which comprises the inspection period of each inspection item of each working device for the production activity of the nuclear power plant.
2. The maintenance method according to claim 1, wherein the comprehensive inspection cycle coefficient is related to the operational reliability, the operational frequency and/or the operational working environment of the working equipment, and comprises:
the comprehensive inspection period coefficient is obtained according to the reliability grade, the operation frequency grade and/or the working environment grade; the reliability grade is a grade preset according to the criticality, the importance, the economic benefit type and/or the running state of the working equipment, the running frequency grade is a grade preset according to the use frequency of the working equipment, and the working environment grade is a grade preset according to the severity of the working environment of the working equipment.
3. The maintenance method according to claim 2, wherein the comprehensive inspection cycle coefficient is obtained according to a reliability level, an operation frequency level and/or a working environment level, and comprises:
the comprehensive inspection period coefficient is the product of the reliability coefficient, the running frequency coefficient and the working environment coefficient; the reliability coefficient is a coefficient preset according to a reliability grade of the working equipment, the operating frequency coefficient is a coefficient preset according to an operating frequency grade of the working equipment, and the working environment coefficient is a coefficient preset according to a working environment grade of the working equipment.
4. The maintenance method according to claim 2, wherein the inspection items of the working equipment include visual inspection, operability inspection, verification inspection, and/or wearing part replacement.
5. The maintenance method according to claim 4, wherein the obtaining of the inspection cycle of each inspection item of the working equipment according to the comprehensive inspection cycle coefficient and the preset inspection cycle of the inspection item comprises:
and the checking period of each checking item of the working equipment is the product of the comprehensive checking period coefficient and the preset checking period of the checking item.
6. The maintenance method of claim 4, further comprising:
and outputting working equipment maintenance prompt information according to the preventive production activity outline, wherein the working equipment maintenance prompt information comprises the inspection time of each inspection item of each working equipment.
7. The maintenance method of claim 6, further comprising:
and acquiring feedback information input by the inspection personnel of the working equipment after inspecting the inspection items.
8. The maintenance method of claim 7, further comprising:
and adjusting the preset inspection period of the inspection item according to the feedback information so as to adjust the inspection period of the inspection item.
9. The maintenance method according to claim 8, wherein the adjusting the preset inspection period of the inspection item according to the feedback information comprises:
the feedback information comprises inspection result information of each inspection item of the working equipment, and the inspection result information comprises an undetermined state, an unexpected state, a good state, an acceptable state, an unsatisfied state and/or a failure state;
the reliability grade comprises a C grade, an S grade and/or an E grade; wherein, the C level is key working equipment, the S level is important working equipment, and the E level is economic benefit type working equipment;
when the inspection result information of one inspection item of the C-level working equipment for three times is acceptable, prolonging the preset inspection period of the inspection item;
when the information of the inspection result of one inspection item of the S-level working equipment which is continuously checked twice is good, prolonging the preset inspection period of the inspection item;
when the inspection result information of one inspection item of the E-level working equipment is good, prolonging the preset inspection period of the inspection item;
when the inspection result information of one inspection item of the C-level working equipment is unsatisfactory or invalid, shortening the preset inspection period of the inspection item;
when the information of the inspection result of one inspection item of the S-level working equipment which is continuously checked twice is not satisfactory or invalid, shortening the preset inspection period of the inspection item;
and when the information of the inspection result of one inspection item of the E-level working equipment which is continuously checked twice is not satisfied or invalid, shortening the preset inspection period of the inspection item.
10. Maintenance system for a preventive production activity outline for nuclear power plants, characterized in that it comprises:
a memory for storing a program;
a processor for implementing the maintenance method of any one of claims 1-9 by executing the program stored by the memory.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113052336A (en) * | 2021-03-16 | 2021-06-29 | 广东核电合营有限公司 | Nuclear power equipment maintenance prompting method and device, computer equipment and storage medium |
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