CN108629464A - A kind of the fire load appraisal procedure and system of nuclear power plant - Google Patents
A kind of the fire load appraisal procedure and system of nuclear power plant Download PDFInfo
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Abstract
The fire load appraisal procedure and system, method of a kind of nuclear power plant include：S1, the combustible information database for establishing nuclear power plant；S2, the standardization calorific value database for establishing nuclear power plant；S3, for the newly-increased material for being put into nuclear power plant every time, the information of synchronized update combustible information database, the fire load data of newly-increased material are determined every time according to the standardization calorific value database, and real-time update increases total fire load of corresponding storage area after material newly every time, calculates fire load density, fire duration, the fire maximum temperature of corresponding storage area in real time according to total fire load after newly-increased material；S4, it determines the fire load minimax risk criterion that the storage area after newly-increased material every time is adapted to, assess and prompts every time risk class of the storage area after newly-increased material under identified fire load minimax risk criterion.The present invention is convenient for the examination ＆ approval that the statistics of fire load data is stored with inquiry, power plant's material, it can be achieved that online evaluation increases the function of fire load newly.
Description
Technical field
The present invention relates to nuclear power field more particularly to a kind of fire load appraisal procedures of nuclear power plant.
Background technology
Fire is one of the important risk that nuclear power station faces, and risk is not only in that industry security risk, it is often more important that
It also brings nuclear safety risk simultaneously.Existing research shows that fire has a significant impact nuclear safety with operating experience.
Currently, the daily fire management work task of nuclear power plant is heavy, domestic nuclear power station administration of the prevention and control is mostly also in people
Work inspection information, manual evaluation examine, examine the cumbersome stage.The work approvals such as material and the hazardous chemical storage of nuclear power plant
Mainly carried out in paper form, need to expend transmission and examination ＆ approval that a large amount of manpower carries out paper document flow, efficiency compared with
Low, it is not convenient enough to carry out to specific work on the spot.Meanwhile each link personnel bring related work when examining
Fire load variation, Zone Risk Level the information such as variation can not quickly grasp, it usually needs by calculating and searching phase
Papery report/data to be closed to carry out risk judgment, approving person is caused to lack basis for estimation in examination ＆ approval, examination ＆ approval difficulty is larger,
It examines inefficient.In addition, existing papery approval process can not quickly and effectively unite for completed approval information
It counts and summarizes, the material storage total amount and fire risk that can not count full factory introduce trend.
Invention content
The technical problem to be solved in the present invention is, for the drawbacks described above of the prior art, provides a kind of fire of nuclear power plant
Calamity load assessment method and system.
The technical solution adopted by the present invention to solve the technical problems is：On the one hand, a kind of fire of nuclear power plant is disclosed
Load assessment method, includes the following steps：
S1, the combustible information database for establishing nuclear power plant, the combustible information database includes storage area information
And with existing combustible in the associated nuclear power plant in each storage area and its corresponding fire load data；
S2, the standardization calorific value database for establishing nuclear power plant, the standardization calorific value database includes that nuclear power plant has deposited
And the follow-up each combustible being likely to occur fixation unit corresponding to standardization calorific value data；
S3, for the newly-increased material for being put into nuclear power plant every time, the information of synchronized update combustible information database, according to institute
State the fire load data that standardization calorific value database determines newly-increased material every time, and real-time update increase material newly every time after institute it is right
The total fire load for the storage area answered calculates corresponding storage area in real time according to total fire load after newly-increased material
Fire load density, fire duration, fire maximum temperature；
S4, it determines the fire load minimax risk criterion that the storage area after increasing material newly every time is adapted to, assess and prompts every
Risk class of the storage area under identified fire load minimax risk criterion after secondary newly-increased material.
In the fire load appraisal procedure of nuclear power plant of the present invention, corresponding to the real-time calculating described in step S3
Fire load density, fire duration, the fire maximum temperature of storage area include：
It is based on formula I according to total fire load and the area of storage areaf=LfFire load density is calculated in/A,
In, IfIndicate fire load density, LfIndicate that total fire load, A indicate the area of storage area；
According to fire load density, it is based on combustion curve, determines fire duration；
It is based on formula T-T according to fire duration0Fire maximum temperature is calculated in=345*lg (8*t+1), wherein
T indicates fire maximum temperature, T0Indicate that storage area initial temperature, t indicate fire duration.
In the fire load appraisal procedure of nuclear power plant of the present invention, step S3 further includes：It assesses and prompts to update
Whether fire duration afterwards meets the preset fire endurance requirement in storage area.
In the fire load appraisal procedure of nuclear power plant of the present invention, the determination described in step S4 increases object newly every time
The fire load minimax risk criterion that storage area after material is adapted to includes：
Filter out all feasible fire load minimax risk criterions corresponding to the storage area after this newly-increased material；
The fire load minimax risk criterion just filtered out carries out risk simulation and obtains under each fire load minimax risk criterion respectively
Risk class；
The fire load minimax risk criterion for choosing risk class most serious increases the fire load that material is adapted to newly as this
Minimax risk criterion.
In the fire load appraisal procedure of nuclear power plant of the present invention, the method further includes：
The risk class that S5, basis finally determine, determines corresponding risk management policy.
In the fire load appraisal procedure of nuclear power plant of the present invention, the method further includes：
Each storage area increases the information of material newly in S6, statistics fixed time period, including newly-increased material of all categories is deposited
Put the risk class of frequency and/or newly-increased material.
On the other hand, the invention also discloses a kind of fire load assessment systems of nuclear power plant, including：
Combustible information database, the combustible information database include storage area information and with each storage area
Existing combustible and its corresponding fire load data in associated nuclear power plant；
Calorific value database is standardized, the standardization calorific value database includes that nuclear power plant is already existing and may subsequently go out
Standardization calorific value data corresponding to the fixation unit of existing each combustible；
Fire load analysis module, for for the newly-increased material for being put into nuclear power plant every time, synchronized update combustible information
The information of database determines every time the fire load data of newly-increased material according to the standardization calorific value database, and in real time more
Total fire load of corresponding storage area, is counted in real time according to total fire load after newly-increased material after new material newly-increased every time
Fire load density, fire duration, the fire maximum temperature for calculating corresponding storage area, assess and prompt updated
Whether fire duration meets the preset fire endurance requirement in storage area；
Risk evaluation module, for determining that the fire load risk that the storage area after increasing material newly every time is adapted to is accurate
Then, it assesses and prompts risk class of the storage area after newly-increased material every time under identified fire load minimax risk criterion.
In the fire load assessment system of nuclear power plant of the present invention, the fire load analysis module includes：
Fire load Density Calculation Module, for being based on formula I according to total fire load and the area of storage areaf=Lf/
Fire load density is calculated in A, wherein IfIndicate fire load density, LfIndicate that total fire load, A indicate storage area
Area；
Fire duration computing module, for according to fire load density, being based on combustion curve, when determining that fire continues
Between；
Fire maximum temperature calculates module, for being based on formula T-T according to fire duration0=345*lg (8*t+1)
Fire maximum temperature is calculated, wherein T indicates fire maximum temperature, T0Indicate that storage area initial temperature, t indicate fire
Duration.
In the fire load assessment system of nuclear power plant of the present invention, the risk evaluation module includes：
Minimax risk criterion preselects module, filters out all feasible fire corresponding to the storage area after this newly-increased material
Load minimax risk criterion；
Minimax risk criterion analog module, the fire load minimax risk criterion just filtered out carry out risk simulation and obtain each fire respectively
Risk class under calamity load minimax risk criterion；
Minimax risk criterion determining module, the fire load minimax risk criterion for choosing risk class most serious increase material newly as this
The fire load minimax risk criterion adapted to；
Risk class reminding module, for assessing and prompting the storage area after newly-increased material every time in identified fire
Risk class under load minimax risk criterion.
The fire load appraisal procedure and system for implementing the nuclear power plant of the present invention, have the advantages that：The present invention
By establishing the combustible information database and standardization calorific value database of nuclear power plant, for being put into the newly-increased of nuclear power plant every time
Material, the information of synchronized update combustible information database of the present invention, and real-time update increase corresponding after material deposit newly every time
The total fire load for putting region calculates the fire of corresponding storage area according to total fire load after each newly-increased material in real time
Calamity load density, fire duration, fire maximum temperature, and determine every time the fire that the storage area after newly-increased material is adapted to
Calamity load minimax risk criterion, and then determine risk class, therefore, statistics and inquiry, power plant of the present invention convenient for fire load data
The examination ＆ approval of material storage realize that online evaluation increases the function of fire load newly, administrative department can be made more efficiently to be carried to fire
Lotus carries out management and control.
Description of the drawings
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 technology 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 the flow chart of the embodiment of the present invention one；
Fig. 2 is combustion diagram.
Specific implementation mode
To facilitate the understanding of the present invention, below with reference to relevant drawings to invention is more fully described.In attached drawing
Give the exemplary embodiments of the present invention.But the present invention can realize in many different forms, however it is not limited to this paper institutes
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 of technologies and scientific terms used here by the article and belong to the technical field of the present invention
The normally understood meaning of technical staff is identical.Used term is intended merely to description tool in the description of the invention herein
The purpose of the embodiment of body, it is not intended that in the limitation present invention.
The total thinking of the present invention is：First, the combustible information database and standardization calorific value data of nuclear power plant are established
Then library is directed to the newly-increased material for being put into nuclear power plant every time, the information of synchronized update combustible information database, according to standardization
Calorific value database determines the fire load data of newly-increased material every time, and real-time update increases corresponding storage after material newly every time
Total fire load in region；Calculate the fire of corresponding storage area in real time according to total fire load after each newly-increased material
Load density, fire duration, fire maximum temperature determine that every time the fire that the storage area after newly-increased material is adapted to carries
Lotus minimax risk criterion is assessed and prompts wind of the storage area after newly-increased material every time under identified fire load minimax risk criterion
Dangerous grade.
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 to the restriction of technical scheme, in the absence of conflict, the present invention is implemented
Technical characteristic in example and embodiment can be combined with each other.
Embodiment one
Embodiment one discloses a kind of fire load appraisal procedure of nuclear power plant, specifically comprises the following steps：
S1, the combustible information database for establishing nuclear power plant, the combustible information database includes storage area information
And with existing combustible in the associated nuclear power plant in each storage area and its corresponding fire load data；
Storage area includes various power plant's fire districts, workshop, room etc., and the purpose of the step is to each region of power plant
Load is arranged and is collected, and carries out field survey checking data, finds the fire load after the work such as repowering in time
Variation obtains power plant's actual conditions.The storage areas such as fire load data and power plant's fire district, workshop, room information is carried out
Association realizes that electricity can also be made as the basic data of follow-up fire load assessment by carrying out data base administration by electronic system
Factory personnel are quick, it is convenient, search required fire load data.This step is flammable mainly for power plant's existing equipment, cable etc.
Object carries out load assessment, obtains the fire load data on basis.
S2, the standardization calorific value database for establishing nuclear power plant, the standardization calorific value database includes that nuclear power plant has deposited
And the follow-up each combustible being likely to occur fixation unit corresponding to standardization calorific value data；
Arrange the storage record that nuclear power plant has combustible, the basic input data as fire load management.Under for example,
Table 1 is the selected parts of the storage table of the standardization calorific value data of nuclear power plant's common device.
Table 1
| Combustible title | Unit | Unit fire load MJ/ units | Classification |
| Electrical cabinet | Platform | 288 | Electrical cabinet |
| Electrical appliance kit | It is a | 90 | Electrical appliance kit |
| Transformer | Platform | 900 | Transformer |
| Rectifier | Platform | 180 | Rectifier |
| Inverter | Platform | 180 | Inverter |
There are following methods for the determination of the standardization calorific value data for the material that may be increased newly during power plant runs：One
It is, for the material of known specific material component, hazardous chemical ingredient, molecular formula, by searching for related industries handbook, product
The method of the data such as handbook, supply vendor's report, the load calorific value data of common material can be obtained by carrying out calorific value calculation, be recorded
Enter to standardize calorific value database；Second is that for can not directly search, the mixture etc. of unknown specific ingredient is difficult to directly obtain
It wins the confidence the material of breath, thermal value measurement carries out it by the experiment of specific calorific value combustion testing, obtains real load calorific value data,
Its typing is standardized into calorific value database.The following table 2 is to arrange scene storage involved during nuclear power plant runs and make
Material passes through the fire load calorific value data that above method is assessed.
Table 2
It is understood that the unit and unit fire load in upper table be not limited in table it is listed come, but
Type depending on combustible determines, such as paint, unit is quality kg, and unit fire load is MJ/kg.
In addition, the classification in two above table is unrelated with the judgement of fire risk, it is the statistical query for the ease of data
Deng, for example manager can inquire storage frequency of the material of some classification etc..
S3, for the newly-increased material for being put into nuclear power plant every time, the information of synchronized update combustible information database, according to new
The quantity and the standardization calorific value database for increasing the fixation unit of material determine the fire load data for increasing material newly every time,
And real-time update increases total fire load of corresponding storage area after material newly every time, according to total fire after each newly-increased material
Calamity load calculates fire load density, fire duration, the fire maximum temperature of corresponding storage area in real time；
It should be noted that the material in the present invention includes combustible and noncombustibles, although finally constituting fire risk
Be only combustible, but in order to make full use of system to realize the functions such as query statistic, preferably, increasing material every time
When, no matter whether material be combustible, all relevant information of typing, it is only necessary to regard its unit fire load when calculating heat
It is 0.
It is follow-up when increasing material since the standardization calorific value database in above-mentioned steps S2 provides the foundation data, once
The quantity for obtaining the fixation unit for increasing material newly gets corresponding unit fire by query criteria calorific value database and carries
Lotus, you can determine that the fire load of newly-increased material, system can show every time the fire load of newly-increased material.
Wherein, total fire load of storage area be by combustible information database be subordinated to the storage area can
The cumulative L of the fire load of combustion thingsf=∑ Ki*Ci, wherein KiIndicate the quantity of the fixation unit of certain specific material, such as 4,
5kg, 3 etc., CiIndicate unit fire load, such as 100MJ/ platforms, 120MJ/kg, 160MJ/ etc..
Wherein, fire load density refers to the fire load of unit floor area.Fire duration refers to storage area
Interior combustible whole after-flame, and intervene the burning time of action without any fire extinguishing in the process, it is indicated with t.Fire maximum temperature is
Time is the temperature of t moment.Fire endurance indicates the maximum value that fire duration can be tolerated, such as preset fire endurance
It can prompt to meet fire endurance if fire duration is 28.29 for 1.5h.
The real-time fire load density for calculating corresponding storage area described in the step, fire duration, fire
Calamity maximum temperature includes：
First, formula I is based on according to total fire load and the area of storage areaf=Lf/ that fire load is calculated in A is close
Degree, wherein IfIndicate fire load density, million cokes of unit/rice2, LfIndicate that total fire load, unit are million burnt, A indicates storage
The area in region, unit are rice2；
Secondly, according to fire load density, it is based on combustion curve, determines fire duration；The combustion curve is known
Curve, with reference to figure 2.
Again, formula T-T is based on according to fire duration0Fire maximum temperature is calculated in=345*lg (8*t+1),
Wherein, T indicate fire maximum temperature, unit be degree Celsius, T0Indicate storage area initial temperature, unit be degree Celsius, such as
It can be preset as 20 degrees Celsius；T indicates fire duration, and unit is minute.
S4, assessment simultaneously prompt whether updated fire duration meets the preset fire endurance requirement in storage area,
The fire load minimax risk criterion that the storage area after newly-increased material is adapted to is determined every time simultaneously, is assessed and is prompted to increase object newly every time
Risk class of the storage area under identified fire load minimax risk criterion after material.
Wherein, the determination increases the fire load minimax risk criterion that is adapted to of storage area after material newly and specifically wraps every time
It includes：Filter out all feasible fire load minimax risk criterions corresponding to the storage area after this newly-increased material；Just filter out
Fire load minimax risk criterion carry out risk simulation respectively and obtain the risk class under each fire load minimax risk criterion；Choose wind
The fire load minimax risk criterion of dangerous grade most serious increases the fire load minimax risk criterion that material is adapted to newly as this.
The purpose of step S4 is for the fire load after qualitative assessment in step S3 as a result, the risk for passing through different dimensions
Criterion reasonably carries out risk class division.Such as pass through the fire district property in region, fire endurance, fire-proof curtain information, solid
Burning things which may cause a fire disaster information etc. is pinpointed, fire risk is carried out and simulates to obtain risk class under different minimax risk criterions, then select applicable risk
Criterion carries out risk class division.
By taking fire endurance minimax risk criterion as an example, the obtained fire duration t calculated in step S3 can be with the storage
The fire endurance in region is compared to obtain risk class and be prompted.For example, t is more than fire endurance, that is, fire endurance is not met,
The risk class of most serious is then expressed as with red；T reaches 80%-the 100% of fire endurance after newly-increased material, then with orange
It is expressed as the second serious risk class；T reaches 60%-the 80% of fire endurance after newly-increased material, then is expressed as the with orange
Three serious risk class；T is less than the 60% of fire endurance after newly-increased material, then is expressed as least serious risk etc. with green
Grade.
Certainly the fire duration that can be calculated using in selecting step S3 or fire maximum temperature are as comparison other
Grade classification is carried out, any number of combination in fire load density, fire duration, fire maximum temperature can also be chosen
Simultaneously grade classification is carried out as comparison other.Single can also be increased to the fire load related data of material newly as more right
As, for example, interim store things thermal potential energy needs to be less than the threshold value of 10MJ/ ㎡, if it is greater than the standard, then risk class
Height, the fire load data for the obtained newly-increased material that should be calculated in selecting step S3 at this time, by itself divided by storage area face
Product obtain after the fire load density of newly-increased material with the threshold value comparison.It should be clear that minimax risk criterion is not limited to this, with
On it is only schematically illustrate.
Preferably, the method further includes step S5：According to finally determining risk class, corresponding risk management is determined
Strategy grasps risk status in order to administrative staff and carries out risk management and control for high risk zone in time.Risk management plan
It slightly can be such as " personnel is arranged to carry out on-the-spot make an inspection tour in every 3 hours " " multiple mobile fire extinguishers should be prepared when fire extinguishing system is unavailable "
Deng.It should be clear that risk management policy is the common management strategy of this field, the purpose of the present invention is intended to according to determining
Risk class is transferred corresponding risk management policy and is prompted.
It is further preferred that the method further includes step S6：It counts each storage area in fixed time period and increases material newly
Information, include the risk class that newly-increased material is provided from the angle of workshop management, can also be from the management view of material type
The storage frequency of newly-increased material of all categories is provided, weak link, risk trend is identified for manager, optimizes fire load
Management.
The personnel that this method can be used for being engaged in power plant's fire-fighting related work easily carry out nuclear power plant's storage material/flammable
Object/hazardous chemical inquiry, fire load data query, and realize field operation/material storage, hazardous chemical storage etc.
The risk assessment of workflow provides technical support for fire-fighting associated safety decision, makes administrative department more efficiently to fire
Calamity load carries out management and control, promotes and optimize the risk assessment means and working efficiency of fire in power plant load management.The present invention is built
Digitlization nuclear power plant is erected, changes the inconvenience of previous nuclear power plant's storage material and load information acquisition, optimize fire load wind
The cumbersome present situation nearly assessed.Pass through the embedded methods of risk assessment of automation and assessment level so that risk assessment processes not after
It is very big to optimize the existing fire load management method of nuclear power plant in the experience level for relying on approving person itself.
Embodiment two
Based on same inventive concept, embodiment two discloses a kind of fire load assessment system of nuclear power plant, including：
Combustible information database, the combustible information database include storage area information and with each storage area
Existing combustible and its corresponding fire load data in associated nuclear power plant；
Calorific value database is standardized, the standardization calorific value database includes that nuclear power plant is already existing and may subsequently go out
Standardization calorific value data corresponding to the fixation unit of existing each combustible；
Fire load analysis module, for for the newly-increased material for being put into nuclear power plant every time, synchronized update combustible information
The information of database determines every time the fire load data of newly-increased material according to the standardization calorific value database, and in real time more
Total fire load of corresponding storage area, real according to total fire load after each newly-increased material after new material newly-increased every time
When calculate fire load density, fire duration, the fire maximum temperature of corresponding storage area, assess and prompt to update
Whether fire duration afterwards meets the preset fire endurance requirement in storage area；
Risk evaluation module, for determining that the fire load risk that the storage area after increasing material newly every time is adapted to is accurate
Then, it assesses and prompts risk class of the storage area after newly-increased material every time under identified fire load minimax risk criterion.
Wherein, the fire load analysis module includes：
Fire load Density Calculation Module, for being based on formula I according to total fire load and the area of storage areaf=Lf/
Fire load density is calculated in A, wherein IfIndicate fire load density, LfIndicate that total fire load, A indicate storage area
Area；
Fire duration computing module, for according to fire load density, being based on combustion curve, when determining that fire continues
Between；
Fire maximum temperature calculates module, for being based on formula T-T according to fire duration0=345*lg (8*t+1)
Fire maximum temperature is calculated, wherein T indicates fire maximum temperature, T0Indicate that storage area initial temperature, t indicate fire
Duration.
Wherein, the risk evaluation module includes：
Minimax risk criterion preselects module, filters out all feasible fire corresponding to the storage area after this newly-increased material
Load minimax risk criterion；
Minimax risk criterion analog module, the fire load minimax risk criterion just filtered out carry out risk simulation and obtain each fire respectively
Risk class under calamity load minimax risk criterion；
Minimax risk criterion determining module, the fire load minimax risk criterion for choosing risk class most serious increase material newly as this
The fire load minimax risk criterion adapted to；
Risk class reminding module, for assessing and prompting the storage area after newly-increased material every time in identified fire
Risk class under load minimax risk criterion.
One of ordinary skill in the art will appreciate that realizing all or part of flow in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the program can be stored in a computer read/write memory medium
In, the program is when being executed, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic
Dish, CD, read-only memory (Read Only Memory, ROM) or random access memory (Random
ABBessMemory, RAM) etc..
The present invention be with reference to according to the method for the embodiment of the present invention, the flow of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that can be realized by computer program instructions every first-class in flowchart and/or the block diagram
The combination of flow and/or box in journey and/or box and flowchart and/or the block diagram.These computer programs can be provided
Instruct the processor of all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine so that the instruction executed by computer or the processor of other programmable data processing devices is generated for real
The device for the function of being specified in present one flow of flow chart or one box of multiple flows and/or block diagram or multiple boxes.
In conclusion implementing the fire load appraisal procedure and system of the nuclear power plant of the present invention, have below beneficial to effect
Fruit：The present invention is by establishing the combustible information database and standardization calorific value database of nuclear power plant, for being put into core every time
After the newly-increased material of power plant, the information of synchronized update combustible information database of the present invention, and real-time update increase material newly every time
Total fire load of corresponding storage area calculates corresponding deposit in real time according to total fire load after each newly-increased material
Fire load density, fire duration, the fire maximum temperature in region are put, and determines every time the storage area after newly-increased material
The fire load minimax risk criterion adapted to, so determine risk class, therefore, the present invention convenient for fire load data statistics with
The examination ＆ approval that inquiry, power plant's material are stored realize that online evaluation increases the function of fire load newly, can make administrative department more efficiently
Management and control is carried out to fire load.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited in 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 (9)
1. a kind of fire load appraisal procedure of nuclear power plant, which is characterized in that include the following steps：
S1, the combustible information database for establishing nuclear power plant, the combustible information database include storage area information and
With existing combustible in the associated nuclear power plant in each storage area and its corresponding fire load data；
S2, the standardization calorific value database for establishing nuclear power plant, the standardization calorific value database includes that nuclear power plant is already existing
Standardization calorific value data corresponding to the fixation unit for each combustible being subsequently likely to occur；
S3, for the newly-increased material for being put into nuclear power plant every time, the information of synchronized update combustible information database, according to the mark
Standardization calorific value database determines the fire load data of newly-increased material every time, and real-time update increase newly every time it is corresponding after material
Total fire load of storage area calculates the fire of corresponding storage area according to total fire load after newly-increased material in real time
Load density, fire duration, fire maximum temperature；
S4, it determines the fire load minimax risk criterion that the storage area after increasing material newly every time is adapted to, assess and prompts every time new
Increase risk class of the storage area after material under identified fire load minimax risk criterion.
2. the fire load appraisal procedure of nuclear power plant according to claim 1, which is characterized in that the reality described in step S3
When calculate fire load density, fire duration, the fire maximum temperature of corresponding storage area：
It is based on formula I according to total fire load and the area of storage areaf=LfFire load density is calculated in/A, wherein If
Indicate fire load density, LfIndicate that total fire load, A indicate the area of storage area；
According to fire load density, it is based on combustion curve, determines fire duration；
It is based on formula T-T according to fire duration0Fire maximum temperature is calculated in=345*lg (8*t+1), wherein T is indicated
Fire maximum temperature, T0Indicate that storage area initial temperature, t indicate fire duration.
3. the fire load appraisal procedure of nuclear power plant according to claim 1 or 2, which is characterized in that step S3 further includes：
It assesses and prompts whether updated fire duration meets the preset fire endurance requirement in storage area.
4. the fire load appraisal procedure of nuclear power plant according to claim 1, which is characterized in that described in step S4 really
Determining every time the fire load minimax risk criterion that the storage area after newly-increased material is adapted to includes：
Filter out all feasible fire load minimax risk criterions corresponding to the storage area after this newly-increased material；
The fire load minimax risk criterion just filtered out carries out risk simulation and obtains the wind under each fire load minimax risk criterion respectively
Dangerous grade；
The fire load minimax risk criterion for choosing risk class most serious increases the fire load risk that material is adapted to newly as this
Criterion.
5. the fire load appraisal procedure of nuclear power plant according to claim 1, which is characterized in that the method further includes：
The risk class that S5, basis finally determine, determines corresponding risk management policy.
6. the fire load appraisal procedure of nuclear power plant according to claim 1, which is characterized in that the method further includes：
Each storage area increases the information of material newly in S6, statistics fixed time period, includes the storage frequency of newly-increased material of all categories
The risk class of rate and/or newly-increased material.
7. a kind of fire load assessment system of nuclear power plant, which is characterized in that including：
Combustible information database, the combustible information database include storage area information and are associated with each storage area
Nuclear power plant in existing combustible and its corresponding fire load data；
Calorific value database is standardized, the standardization calorific value database includes that nuclear power plant is already existing and be subsequently likely to occur
Standardization calorific value data corresponding to the fixation unit of each combustible；
Fire load analysis module, for for the newly-increased material for being put into nuclear power plant every time, synchronized update combustible information data
The information in library determines every time the fire load data of newly-increased material according to the standardization calorific value database, and real-time update is every
Total fire load of corresponding storage area, institute is calculated according to total fire load after newly-increased material in real time after secondary newly-increased material
Fire load density, fire duration, the fire maximum temperature of corresponding storage area, assess and prompt updated fire
Whether the duration meets the preset fire endurance requirement in storage area；
Risk evaluation module, the fire load minimax risk criterion adapted to for determining the storage area after increasing material newly every time, is commented
Estimate and prompts risk class of the storage area after newly-increased material every time under identified fire load minimax risk criterion.
8. the fire load assessment system of nuclear power plant according to claim 7, which is characterized in that the fire load analysis
Module includes：
Fire load Density Calculation Module, for being based on formula I according to total fire load and the area of storage areaf=Lf/ A is counted
Calculation obtains fire load density, wherein IfIndicate fire load density, LfIndicate that total fire load, A indicate the face of storage area
Product；
Fire duration computing module, for according to fire load density, being based on combustion curve, determining fire duration；
Fire maximum temperature calculates module, for being based on formula T-T according to fire duration0=345*lg (8*t+1) is calculated
To fire maximum temperature, wherein T indicates fire maximum temperature, T0Storage area initial temperature is indicated, when t indicates that fire continues
Between.
9. the fire load assessment system of nuclear power plant according to claim 7, which is characterized in that the risk evaluation module
Including：
Minimax risk criterion preselects module, filters out all feasible fire loads corresponding to the storage area after this newly-increased material
Minimax risk criterion；
Minimax risk criterion analog module, the fire load minimax risk criterion just filtered out carry out risk simulation and obtain each fire load respectively
Risk class under lotus minimax risk criterion；
Minimax risk criterion determining module, the fire load minimax risk criterion of selection risk class most serious increase material newly as this and fit
The fire load minimax risk criterion answered；
Risk class reminding module, for assessing and prompting the storage area after newly-increased material every time in identified fire load
Risk class under minimax risk criterion.
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