CN109961217A - Nuclear power plant equipment reliability stage division, system and readable storage medium storing program for executing - Google Patents
Nuclear power plant equipment reliability stage division, system and readable storage medium storing program for executing Download PDFInfo
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- 238000003860 storage Methods 0.000 title claims abstract description 15
- 238000004513 sizing Methods 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 14
- 238000012423 maintenance Methods 0.000 claims description 19
- 238000004590 computer program Methods 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 6
- 230000002411 adverse Effects 0.000 claims description 4
- 238000000151 deposition Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 7
- 238000004458 analytical method Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 4
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- 239000001307 helium Substances 0.000 description 2
- 229910052734 helium Inorganic materials 0.000 description 2
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Abstract
The invention discloses a kind of nuclear power plant equipment reliability stage division, system and readable storage medium storing program for executing, method includes: to be classified from the dimension of equipment criticality to equipment；For the key equipment and important equipment in classification results, equipment is classified from the dimension of the operation frequency of equipment, classification is carried out to equipment from the dimension of the working environment of equipment and equipment is classified from the dimension of the aobvious recessiveness after the failure of tables of equipment one, the invention has the following advantages: the present invention is suitable for the equipment dependability hierarchical identification of high temperature gas cooled reactor, from equipment criticality, run frequency, working environment and aobvious recessive four dimensions carry out sizing of equipment, it can be more efficient convenient for high temperature gas cooled reactor equipment management work, it is more economical, more safely carry out.
Description
Technical field
The present invention relates to nuclear power field more particularly to a kind of nuclear power plant equipment reliability stage divisions, system and readable
Storage medium.
Background technique
Since the 1960s, maintenance (RCM) technology centered on reliability was applied, equipment has been obtained
The generally approval of industry is managed, RCM theory is also always in continuous improvement and optimization.Nuclear energy employer's organization, the U.S. (INPO) establishment
" description of equipment dependability process " (AP913) in, propose it is a kind of gathered RCM analysis, Maintenance Rule (MR) management, it is single
The equipment dependability hierarchical identification method of the theories such as failure weak spot (SPV) management.The work of equipment dependability hierarchical identification is to set
The starting point of standby reliability management process can be such that production and Maintenance Resource is reasonably allocated, make electricity by sizing of equipment
Factory's resource concentrates on important equipment, while ensuring that nuclear power plant's unit safety is stabilized the economy operation.
Currently, research of the construction of high temperature gas cooled reactor in equipment reliability management field still has a large amount of blank to wait filling up, urgently
A kind of equipment dependability hierarchical identification method suitable for high temperature gas cooled reactor need to be developed, in order to high temperature gas cooled reactor equipment management work
Work can more efficient, more economical, more safely be carried out.
Summary of the invention
The technical problem to be solved in the present invention is that providing a kind of nuclear power plant equipment for the demand of the prior art
Reliability stage division, system and readable storage medium storing program for executing.
The technical solution adopted by the present invention to solve the technical problems is:
In a first aspect, constructing a kind of nuclear power plant equipment reliability stage division, which comprises
Equipment is classified from the dimension of equipment criticality；
For the key equipment and important equipment in classification results, equipment is carried out from the dimension of the operation frequency of equipment
Classification carries out classification and the dimension pair from the aobvious recessiveness after the failure of tables of equipment one from the dimension of the working environment of equipment to equipment
Equipment is classified.
Preferably, before execution is classified equipment from the dimension of equipment criticality, further includes:
According to the functional structure of equipment, the failure mode of equipment is determined；
Based on the failure mode, analytical equipment is influenced caused by system and unit after failure.
Preferably, the dimension from equipment criticality, which be classified to equipment, includes:
It is key equipment by the sizing of equipment that will have a direct impact on nuclear safety and efficiency of generating unit after failure；
It can will influence indirectly the equipment of nuclear safety and efficiency of generating unit after failure, or can be to avoid by preventative maintenance
Equipment substantial equipment loss or reduce cost of electricity-generating, is classified as important equipment；
The equipment that other equipment in addition to key equipment and important equipment are classified as operation to maintenance.
Preferably, the dimension from equipment criticality is classified equipment further include:
Single failure is led into power station shutdown and/or shutdown and/or drop power and/or power swing is more than to preset to stir model
The key equipment enclosed is further classified as level-one key equipment；
Other key equipments in key equipment in addition to level-one key equipment meaning are classified as second level key equipment.
Preferably, the dimension of the operation frequency from equipment is classified equipment, comprising:
By continuous operation or switch, it is electric, be used for throttle frequency be more than predeterminated frequency standard sizing of equipment be high frequency
Equipment is spent, is low-frequency degree equipment by the sizing of equipment in addition to frequent equipment.
Preferably, the dimension of the working environment from equipment is classified equipment, comprising:
It is to run to set under adverse circumstances by the sizing of equipment that working environment has the risk for increasing equipment failure occurrence frequency
It is standby；
It is to be run under general environment by the sizing of equipment that the risk for increasing equipment failure occurrence frequency is not present in working environment
Equipment.
Preferably, the dimension of the aobvious recessiveness after the failure from tables of equipment one is classified equipment, comprising:
Equipment by that can be found by user after the failure of tables of equipment one under normal operating conditions, is classified as dominant equipment；
Equipment by that cannot be found by user after the failure of tables of equipment one under normal operating conditions, is classified as recessive equipment.
Second aspect constructs a kind of readable storage medium storing program for executing, and computer program is stored on the readable storage medium storing program for executing, special
The step of sign is, the computer program realizes method as above when being executed by processor.
The third aspect, constructs a kind of nuclear power plant equipment reliability hierarchy system, including memory and processor, and memory is used
In storage computer program, processor is used for the step of realizing method as described above when executing the computer program.
Fourth aspect constructs a kind of nuclear power plant equipment reliability hierarchy system, comprising:
Equipment criticality diversity module, for being classified from the dimension of equipment criticality to equipment；
Frequency diversity module is run, for the key equipment in the classification results to equipment criticality diversity module and again
Equipment is wanted, equipment is classified from the dimension of the operation frequency of equipment；
Working environment diversity module, for the key equipment in the classification results to equipment criticality diversity module and again
Equipment is wanted, equipment is classified from the dimension of the working environment of equipment；
Frequency diversity module is run, for the key equipment in the classification results to equipment criticality diversity module and again
Equipment is wanted, equipment is classified from the dimension of the aobvious recessiveness after the failure of tables of equipment one.
Nuclear power plant equipment reliability stage division, system and readable storage medium storing program for executing of the invention has below beneficial to effect
Fruit: the present invention is suitable for the equipment dependability hierarchical identification of high temperature gas cooled reactor, from equipment criticality, operation frequency, working environment
Carry out sizing of equipment with aobvious recessive four dimensions, can more efficient, more economical, more pacify convenient for high temperature gas cooled reactor equipment management work
Carry out entirely.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings:
Fig. 1 is nuclear power plant equipment reliability stage division flow chart of the present invention；
Fig. 2 is the method flow diagram of the embodiment of the present invention one；
Fig. 3 is the structural schematic diagram of the embodiment of the present invention two；
Fig. 4 is the structural schematic diagram of the embodiment of the present invention three.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give exemplary embodiments of the invention.But the invention can be realized in many different forms, however it is not limited to this paper institute
The embodiment of description.On the contrary, purpose of providing these embodiments is make it is more thorough and comprehensive to the disclosure.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein "and/or" includes one or more phases
Any and all combinations of the listed item of pass.
With reference to Fig. 1, the total thinking of the present invention is to be classified from four dimensions to equipment, specific: S101, being closed from equipment
The dimension of key degree is classified equipment；S102, for the key equipment and important equipment in classification results, from the fortune of equipment
The dimension of line frequency degree is classified equipment, carries out classification to equipment from the dimension of the working environment of equipment and from tables of equipment one
The dimension of aobvious recessiveness after failure is classified equipment.
In order to better understand the above technical scheme, in conjunction with appended figures and specific embodiments to upper
It states technical solution to be described in detail, it should be understood that the specific features in the embodiment of the present invention and embodiment are to the application
The detailed description of technical solution, rather than the restriction to technical scheme, in the absence of conflict, the present invention are implemented
Technical characteristic in example and embodiment can be combined with each other.
Embodiment one
With reference to Fig. 2, present embodiment discloses a kind of nuclear power plant equipment reliability stage divisions, which comprises
S201, failure mode analysis (FMA): according to the functional structure of equipment, the failure mode of equipment is determined.
Failure mode for example has valve to refuse out, refuses to close, open by mistake, accidentally close, and plugged filter, precision are exceeded, analog quantity equipment
Upper drift, lower drift etc..
S202, failure effect analysis: it is based on the failure mode, analytical equipment is after failure caused by system and unit
It influences.Such as valve accidentally closes this failure mode will have a direct impact on nuclear safety.
S203, the classification of equipment criticality: equipment is classified from the dimension of equipment criticality.
In the present embodiment, the step specifically include the following three steps:
It 1) is key equipment, such equipment by the sizing of equipment that will have a direct impact on nuclear safety and efficiency of generating unit after failure
Has the function of key to nuclear safety and power generation.For example, single failure leads to power station shutdown and/or shutdown and/or drop power (ratio
If >=5%Pn) and/or power swing are more than the default equipment for stirring range or triggering part jumps heap chaser signal, or belong to dimension
Repair regular high risk equipment etc..
Preferably, it is further to give top priority to what is the most important, key equipment can also be further segmented, such as: it will be single
Failure leads to power station shutdown and/or shutdown and/or drop power (such as >=5%Pn) and/or power swing is more than to preset to stir model
The key equipment enclosed is further classified as level-one key equipment；By other passes in key equipment in addition to level-one key equipment meaning
Button apparatus is classified as second level key equipment.
2) nuclear safety and unit generation tool by nuclear safety and efficiency of generating unit can be influenced after failure indirectly but to power station
The equipment to play an important role, or the equipment that can be lost to avoid substantial equipment by preventative maintenance or reduce cost of electricity-generating, point
Grade is important equipment.
Important equipment includes that single failure causes helium leak rates increase greater than the risk that 0.5%, key equipment damages, is big
It repairs extension, increase operator's burden, or make personnel safety, industry security, Environmental security, radiation safety etc. harm increase becomes not
It is acceptable, or equipment, High Value Unit, equipment of Maintenance Rule low-risk for belonging to nuclear insurance etc..
3) equipment that the other equipment in addition to key equipment and important equipment are classified as operation to maintenance.Such equipment
It is not required to carry out preventative maintenance, the consequence and risk of equipment fault are acceptable equipment, can be entangled after breaking down
Positivity maintenance.
S204, operation frequency classification: for the key equipment and important equipment in classification results, from the operation frequency of equipment
The dimension of degree is classified equipment.
In the present embodiment, which is specifically included: by continuous operation or switch, frequency that is electric, being used to throttle is more than pre-
It is low-frequency degree equipment by the sizing of equipment in addition to frequent equipment if the sizing of equipment of frequency standard is frequent equipment.
S205, working environment classification: for the key equipment and important equipment in classification results, from the building ring of equipment
The dimension in border is classified equipment.
In the present embodiment, which is specifically included: working environment is had the risk for increasing equipment failure occurrence frequency
Sizing of equipment is running equipment under adverse circumstances, for example is run in open-air atmosphere, the equipment to work under strong radiation environment etc.；It will
Working environment is running equipment under general environment, such as factory there is no the sizing of equipment for the risk for increasing equipment failure occurrence frequency
The equipment run in room, good equipment of operating ambient temperature etc..
S206, aobvious recessive classification: for the key equipment and important equipment in classification results, after the failure of tables of equipment one
The dimension of aobvious recessiveness equipment is classified.
In the present embodiment, which is specifically included: tables of equipment one can will be sent out under normal operating conditions by user after failing
The equipment that its existing function has been lost, is classified as dominant equipment；It will tables of equipment one cannot be by after failing under normal operating conditions
The equipment of user's discovery, is classified as recessive equipment.
S207, output classification results: it is directed to key equipment and important equipment, exports the classification knot of the above four dimensions
Fruit, for operation to the equipment of maintenance, then the classification results of the only dimension of equipment criticality exported.
It should be noted that above step S204, S205, S206 and in the absence of successive requirement in sequence, this three steps
Rapid execution sequence is not limited in situation shown in the present embodiment.
Embodiment two
With reference to Fig. 3, based on the inventive concept being the same as example 1, present embodiment discloses a kind of nuclear power plant equipment is reliable
Property hierarchy system, including memory 301 and processor 302, for storing computer program, processor 302 is used for memory 301
The step of realizing the method as shown in embodiment one when executing the computer program.
Embodiment three
With reference to Fig. 4, based on the inventive concept being the same as example 1, present embodiment discloses a kind of nuclear power plant equipment is reliable
Property hierarchy system, comprising:
Failure mode analysis (FMA) module 401 determines the failure mode of equipment for the functional structure according to equipment.Fail mould
Formula for example has valve to refuse out, refuses to close, open by mistake, accidentally close, and plugged filter, precision are exceeded, drift, lower drift etc. in analog quantity equipment.
Failure effect analysis module 402, for being based on the failure mode, analytical equipment is after failure to system and unit
Caused by influence.Such as valve accidentally closes this failure mode will have a direct impact on nuclear safety.
Equipment criticality diversity module 403, for being classified from the dimension of equipment criticality to equipment.The present embodiment
In, do from the content that the dimension of equipment criticality carries out equipment in terms of classification specifically includes following three:
It 1) is key equipment, such equipment by the sizing of equipment that will have a direct impact on nuclear safety and efficiency of generating unit after failure
Has the function of key to nuclear safety and power generation.For example, single failure leads to power station shutdown and/or shutdown and/or drop power (ratio
If >=5%Pn) and/or power swing are more than the default equipment for stirring range or triggering part jumps heap chaser signal, or belong to dimension
Repair regular high risk equipment etc..
Preferably, it is further to give top priority to what is the most important, key equipment can also be further segmented, such as: it will be single
Failure leads to power station shutdown and/or shutdown and/or drop power (such as >=5%Pn) and/or power swing is more than to preset to stir model
The key equipment enclosed is further classified as level-one key equipment；By other passes in key equipment in addition to level-one key equipment meaning
Button apparatus is classified as second level key equipment.
2) nuclear safety and unit generation tool by nuclear safety and efficiency of generating unit can be influenced after failure indirectly but to power station
The equipment to play an important role, or the equipment that can be lost to avoid substantial equipment by preventative maintenance or reduce cost of electricity-generating, point
Grade is important equipment.
Important equipment includes that single failure causes helium leak rates increase greater than the risk that 0.5%, key equipment damages, is big
It repairs extension, increase operator's burden, or make personnel safety, industry security, Environmental security, radiation safety etc. harm increase becomes not
It is acceptable, or equipment, High Value Unit, equipment of Maintenance Rule low-risk for belonging to nuclear insurance etc..
3) equipment that the other equipment in addition to key equipment and important equipment are classified as operation to maintenance.Such equipment
It is not required to carry out preventative maintenance, the consequence and risk of equipment fault are acceptable equipment, can be entangled after breaking down
Positivity maintenance.
Run frequency diversity module 404, for the key equipment in the classification results to equipment criticality diversity module with
And important equipment, equipment is classified from the dimension of the operation frequency of equipment, in the present embodiment, specifically includes: will continuously transport
Row or switch, it is electric, for throttling frequency be more than predeterminated frequency standard sizing of equipment be frequent equipment, frequent will be removed
Sizing of equipment other than equipment is low-frequency degree equipment.
Working environment diversity module 405, for the key equipment in the classification results to equipment criticality diversity module with
And important equipment, equipment is classified from the dimension of the working environment of equipment, in the present embodiment, is specifically included: by building ring
The sizing of equipment that border has the risk for increasing equipment failure occurrence frequency is running equipment under adverse circumstances, such as in open-air atmosphere
Middle operation, the equipment to work under strong radiation environment etc.；By working environment, there is no the risks for increasing equipment failure occurrence frequency
Sizing of equipment is the equipment run in running equipment, such as workshop under general environment, good equipment of operating ambient temperature etc..
Aobvious recessiveness diversity module 406, in the classification results to equipment criticality diversity module key equipment and
Important equipment is classified equipment from the dimension of the aobvious recessiveness after the failure of tables of equipment one, in the present embodiment, specifically includes: will
Tables of equipment one can be found the equipment that its function has been lost after failing by user under normal operating conditions, be classified as dominant set
It is standby；Equipment by that cannot be found by user after the failure of tables of equipment one under normal operating conditions, is classified as recessive equipment.
Classification results module 407 is exported, for being directed to key equipment and important equipment, exports point of the above four dimensions
Grade is as a result, the equipment for being directed to operation to maintenance, the then classification results of the only dimension of equipment criticality exported.
Example IV
It is described readable present embodiment discloses a kind of readable storage medium storing program for executing based on the inventive concept being the same as example 1
It is stored with computer program on storage medium, the method as shown in embodiment one is realized when the computer program is executed by processor
The step of.
In conclusion nuclear power plant equipment reliability stage division, system and readable storage medium storing program for executing of the invention, have with
It is lower the utility model has the advantages that the present invention is suitable for the equipment dependability hierarchical identification of high temperature gas cooled reactor, from equipment criticality, operation frequency,
Working environment and aobvious recessive four dimensions carry out sizing of equipment, can be more efficient, more convenient for high temperature gas cooled reactor equipment management work
Economy is more safely carried out.
Foregoing description is related to various modules.The combination that these modules generally include hardware and/or hardware and software is (such as solid
Change software).These modules can also include the computer-readable medium comprising instruction (for example, software instruction) (for example, permanent
Medium), when processor executes these instructions, so that it may execute various functional characteristics of the invention.Correspondingly, except non-clearly
It is required that the scope of the present invention not by the module specifically mentioned in embodiment specific hardware and/or software feature limited.Make
For non-limitative example, the present invention in embodiment can be by one or more processors (such as microprocessor, digital signal
Reason device, baseband processor, microcontroller) execution software instruction (such as it is stored in non-volatile memory and/or permanent storage
Device).In addition, the present invention can also be executed with specific integrated circuit (ASIC) and/or other hardware elements.It should be pointed out that
Above in the description of various modules, these modules are divided into, are for clarity.However, in actual implementation, various moulds
The boundary of block can be fuzzy.For example, any or all functionalities module herein can share various hardware and/or soft
Part element.In another example any and/or all functional modules herein can be executed software instruction by shared processor complete
Portion or part are implemented.In addition, the various software submodules being performed by one or more processors can be between various software modules
It is shared.Correspondingly, unless explicitly requested, the scope of the present invention not mandatory boundary between by various hardware and/or software element
Limitation.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, all of these belong to the protection of the present invention.
Claims (10)
1. a kind of nuclear power plant equipment reliability stage division, which is characterized in that the described method includes:
Equipment is classified from the dimension of equipment criticality；
For the key equipment and important equipment in classification results, equipment is divided from the dimension of the operation frequency of equipment
Grade carries out classification from the dimension of the working environment of equipment and from the dimension of the aobvious recessiveness after the failure of tables of equipment one to setting to equipment
It is standby to be classified.
2. nuclear power plant equipment reliability stage division according to claim 1, which is characterized in that executing from equipment key
Before the dimension of degree is classified equipment, further includes:
According to the functional structure of equipment, the failure mode of equipment is determined；
Based on the failure mode, analytical equipment is influenced caused by system and unit after failure.
3. nuclear power plant equipment reliability stage division according to claim 1, which is characterized in that described from equipment key
The dimension of degree carries out classification to equipment
It is key equipment by the sizing of equipment that will have a direct impact on nuclear safety and efficiency of generating unit after failure；
The equipment of nuclear safety and efficiency of generating unit can will be influenced indirectly after failure, or can be to avoid great by preventative maintenance
Equipment equipment loss or reduce cost of electricity-generating, is classified as important equipment；
The equipment that other equipment in addition to key equipment and important equipment are classified as operation to maintenance.
4. nuclear power plant equipment reliability stage division according to claim 3, which is characterized in that described from equipment key
The dimension of degree is classified equipment further include:
Single failure is led into power station shutdown and/or shutdown and/or drop power and/or power swing is more than to preset to stir range
Key equipment is further classified as level-one key equipment；
Other key equipments in key equipment in addition to level-one key equipment meaning are classified as second level key equipment.
5. nuclear power plant equipment reliability stage division according to claim 1, which is characterized in that the fortune from equipment
The dimension of line frequency degree is classified equipment, comprising:
By continuous operation or switch, it is electric, be used for throttle frequency be more than predeterminated frequency standard sizing of equipment set for frequent
It is standby, it is low-frequency degree equipment by the sizing of equipment in addition to frequent equipment.
6. nuclear power plant equipment reliability stage division according to claim 1, which is characterized in that the work from equipment
The dimension for making environment is classified equipment, comprising:
It is running equipment under adverse circumstances by the sizing of equipment that working environment has the risk for increasing equipment failure occurrence frequency；
It is running equipment under general environment by the sizing of equipment that the risk for increasing equipment failure occurrence frequency is not present in working environment.
7. nuclear power plant equipment reliability stage division according to claim 1, which is characterized in that described from tables of equipment one
The dimension of aobvious recessiveness after failure is classified equipment, comprising:
Equipment by that can be found by user after the failure of tables of equipment one under normal operating conditions, is classified as dominant equipment；
Equipment by that cannot be found by user after the failure of tables of equipment one under normal operating conditions, is classified as recessive equipment.
8. a kind of readable storage medium storing program for executing, computer program is stored on the readable storage medium storing program for executing, which is characterized in that the calculating
It is realized when machine program is executed by processor such as the step of any one of claim 1 to 7 method.
9. a kind of nuclear power plant equipment reliability hierarchy system, which is characterized in that including memory and processor, memory is for depositing
Computer program is stored up, processor is realized when being used to execute the computer program such as any one of claim 1 to 7 the method
Step.
10. a kind of nuclear power plant equipment reliability hierarchy system characterized by comprising
Equipment criticality diversity module, for being classified from the dimension of equipment criticality to equipment；
Frequency diversity module is run, for the key equipment in the classification results to equipment criticality diversity module and important is set
It is standby, equipment is classified from the dimension of the operation frequency of equipment；
Working environment diversity module for the key equipment in the classification results to equipment criticality diversity module and important is set
It is standby, equipment is classified from the dimension of the working environment of equipment；
Frequency diversity module is run, for the key equipment in the classification results to equipment criticality diversity module and important is set
It is standby, equipment is classified from the dimension of the aobvious recessiveness after the failure of tables of equipment one.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910150732.1A CN109961217A (en) | 2019-02-28 | 2019-02-28 | Nuclear power plant equipment reliability stage division, system and readable storage medium storing program for executing |
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| CN201910150732.1A CN109961217A (en) | 2019-02-28 | 2019-02-28 | Nuclear power plant equipment reliability stage division, system and readable storage medium storing program for executing |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN112215510A (en) * | 2020-10-21 | 2021-01-12 | 岭东核电有限公司 | Method, device, equipment and storage medium for generating work priority of nuclear power plant |
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