CN108629113B - Nuclear power station fire fighting system reliability value evaluation method and system - Google Patents
Nuclear power station fire fighting system reliability value evaluation method and system Download PDFInfo
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- CN108629113B CN108629113B CN201810416328.XA CN201810416328A CN108629113B CN 108629113 B CN108629113 B CN 108629113B CN 201810416328 A CN201810416328 A CN 201810416328A CN 108629113 B CN108629113 B CN 108629113B
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Abstract
The invention discloses a method for evaluating the reliability value of a fire-fighting system of a nuclear power station, wherein the fire-fighting system comprises a pipe network subsystem, a fire alarm detector subsystem and a fire-fighting spray head subsystem, and the evaluation method comprises the following steps: collecting parameters of the pipe network subsystem; collecting parameters of the fire detector subsystem; collecting parameters of the fire-fighting spray head subsystem; establishing a three-dimensional model of the fire fighting system according to the parameters of the pipe network subsystem, the parameters of the fire detector subsystem and the parameters of the fire fighting nozzle subsystem, and combining the three-dimensional model of the protection target and the three-dimensional model of the fire fighting system to obtain a synthetic three-dimensional model; setting relevant parameters of the fluid in the pipe network subsystem; and analyzing and calculating the reliable value of the fire fighting system according to the synthetic three-dimensional model and the relevant parameters of the fluid. The reliability quantitative analysis of the nuclear power station fire-fighting system is realized, and a large amount of data support can be provided for the design or modification of the fire-fighting system.
Description
Technical Field
The invention relates to the technical field of fire fighting, in particular to a method and a system for evaluating a reliable value of a nuclear power station fire fighting system.
Background
The nuclear power station has the advantages that the types of combustible materials are multiple, the fire sources are multiple in types and large in quantity, the fire easily-occurring points are widely distributed, the fire is frequent, the loss caused by the fire of the nuclear power station is large, and therefore the fire risk of the nuclear power station is very large. If a fire disaster occurs in the nuclear power station, the system and equipment are greatly influenced, and the personnel and nuclear safety are endangered. Therefore, the fire protection system is the most important safety system of the nuclear power plant, and plays an important role in stable and safe operation of the nuclear power plant.
The common analysis of the technical transformation difficulties of the domestic nuclear power station in service shows that the existing problems are that when the fire protection system is integrally designed or the existing fire protection system is modified and changed, whether the fire protection system can realize the protection function is only qualitatively analyzed, and quantitative and accurate analysis conclusions are lacked, so that the reliability of the fire protection system in the nuclear power station cannot be accurately evaluated.
Disclosure of Invention
The invention aims to solve the technical problem of providing an evaluation method for quantitatively analyzing the reliability of a nuclear power station fire-fighting system through simulation and a corresponding evaluation system aiming at the requirements of the prior art.
In order to solve the problems, the invention provides a method for evaluating the reliability value of a fire-fighting system of a nuclear power station, wherein the fire-fighting system comprises a pipe network subsystem, a fire alarm detector subsystem and a fire-fighting spray head subsystem, and the evaluation method comprises the following steps: collecting parameters of the pipe network subsystem; collecting parameters of the fire detector subsystem; collecting parameters of the fire-fighting spray head subsystem; establishing a three-dimensional model of the fire fighting system according to the parameters of the pipe network subsystem, the parameters of the fire detector subsystem and the parameters of the fire fighting nozzle subsystem, and combining the three-dimensional model of the protection target and the three-dimensional model of the fire fighting system to obtain a synthetic three-dimensional model; setting relevant parameters of the fluid in the pipe network subsystem; and analyzing and calculating the reliable value of the fire fighting system according to the synthetic three-dimensional model and the relevant parameters of the fluid.
In the evaluation method, the three-dimensional model of the protection target and the three-dimensional model of the fire protection system are combined by establishing the three-dimensional model of the fire protection system, and then the related parameters of the fluid in the pipe network subsystem are set so as to enable the three-dimensional model of the fire protection system to perform simulation operation, so that the result of the simulation operation can be obtained, the reliable value of the fire protection system is obtained through a pre-designed calculation formula on the basis of the result, and the quantitative analysis of the reliability of the fire protection system of the nuclear power station is realized.
As a preferable aspect of the method for evaluating the reliability value of the fire protection system of the nuclear power station of the present invention, the step of calculating the reliability value of the fire protection system based on the synthetic three-dimensional model and the analysis of the relevant parameters of the fluid includes: analyzing and calculating the detection coverage range of the fire detector subsystem according to the synthesized three-dimensional model; analyzing and calculating the spraying coverage range of the fire-fighting spray head subsystem according to the synthetic three-dimensional model and the relevant parameters of the fluid; and determining the reliable value of the fire fighting system according to the detection coverage range and the spraying coverage range. Firstly, the reliable value is a quantitative value corresponding to the reliability of the fire protection system, the reliable value indicates the reliability of the fire protection system, and the reliable value is calculated according to the detection coverage and the spraying coverage, wherein the detection coverage can reflect the reliability of the fire detector subsystem, and the spraying coverage can reflect the reliability of the pipe network subsystem and the fire sprinkler subsystem, so that the reliable value can accurately and comprehensively reflect the reliability of the whole fire protection system.
As a preferable scheme of the method for evaluating the reliability value of the fire-fighting system of the nuclear power station, the method further comprises the following steps: and comparing the calculated reliable value with a standard value, adjusting the parameters of the pipe network subsystem or the fire detector subsystem or the fire nozzle subsystem or the related parameters of the fluid when the reliable value is not within the range of the standard value, and calculating the reliable value of the fire protection system after parameter adjustment. By comparing the reliable value with the standard value, whether the current reliability of the fire fighting system is qualified or not can be reflected more visually. And when the current reliability of the fire fighting system is unqualified, various parameters can be adjusted, and the reliability value of the fire fighting system after the parameters are adjusted is calculated, so that the fire fighting system is simulated and modified, a large amount of data support can be provided for practice modification, and the efficiency and accuracy of the practice modification are improved.
As a preferable scheme of the method for evaluating the reliability value of the fire-fighting system of the nuclear power station, the method further comprises the following steps: and analyzing and calculating the influence value of the corresponding parameter on the reliable value of the fire fighting system according to the difference value of the reliable values of the fire fighting system before and after parameter adjustment. That is to say, the influence of various parameters on the reliable value of the fire fighting system can be qualitatively calculated to obtain the corresponding influence value, and then the modification scheme can be obtained more quickly according to the influence value of various parameters.
As a preferable scheme of the method for evaluating the reliability value of the fire-fighting system of the nuclear power station, the method further comprises the following steps: and generating an analysis report of the fire fighting system according to the reliable value, the name and the plant position of the fire fighting system, and storing the analysis report in a database for subsequent calling or query.
The invention also provides a system for evaluating the reliability value of the fire-fighting system of the nuclear power station, wherein the fire-fighting system comprises a pipe network subsystem, a fire alarm detector subsystem and a fire-fighting spray head subsystem, and the evaluation system comprises: the pipe network parameter acquisition unit is used for acquiring parameters of the pipe network subsystem; the fire detector parameter acquisition unit is used for acquiring parameters of the fire detector subsystem; the fire-fighting nozzle parameter acquisition unit is used for acquiring parameters of the fire-fighting nozzle subsystem; the three-dimensional simulation unit is used for establishing a three-dimensional model of the fire fighting system according to the parameters of the pipe network subsystem, the fire detector subsystem and the fire fighting nozzle subsystem, and combining the three-dimensional model of the protection target with the three-dimensional model of the fire fighting system to obtain a synthetic three-dimensional model; the fluid parameter setting unit is used for setting relevant parameters of the fluid in the pipe network subsystem; and the analysis and evaluation unit is used for analyzing and calculating the reliable value of the fire fighting system according to the synthetic three-dimensional model and the relevant parameters of the fluid.
As a preferable aspect of the system for evaluating the reliability value of the fire protection system of the nuclear power plant of the present invention, the analysis and evaluation unit includes: the detection coverage analysis subunit is used for analyzing and calculating the detection coverage of the fire detector subsystem according to the synthesized three-dimensional model; the spray coverage analysis subunit is used for analyzing and calculating the spray coverage of the fire-fighting spray head subsystem according to the synthetic three-dimensional model and the relevant parameters of the fluid; and the comprehensive analysis subunit is used for determining the reliable value of the fire fighting system according to the detection coverage range and the spraying coverage range.
As a preferable scheme of the system for evaluating the reliability value of the fire fighting system of the nuclear power station of the present invention, the system further includes: the analysis and comparison unit is used for comparing the calculated reliable value with a standard value; the parameter adjusting unit is used for adjusting the parameters of the pipe network subsystem or the fire detector subsystem or the fire nozzle subsystem or the related parameters of the fluid when the reliable value is not within the standard value range; and the analysis and evaluation unit is also used for calculating the reliable value of the fire fighting system after the parameters are adjusted.
As a preferable scheme of the system for evaluating the reliability value of the fire fighting system of the nuclear power station of the present invention, the system further includes: and the parameter influence analysis unit is used for analyzing and calculating the influence value of the corresponding parameter on the reliable value of the fire fighting system according to the difference value of the reliable values of the fire fighting system before and after parameter adjustment.
As a preferable scheme of the system for evaluating the reliability value of the fire fighting system of the nuclear power station of the present invention, the system further includes: the report generating unit is used for generating an analysis report of the fire fighting system according to the reliable value, the name and the plant position of the fire fighting system; and the data storage unit is used for storing the analysis report of the fire fighting system in a database so as to facilitate subsequent calling or query.
Compared with the prior art, the method for evaluating the reliable value of the fire-fighting system of the nuclear power station, provided by the invention, has the following main beneficial effects: in the evaluation method, the reliability of the nuclear power station fire protection system is quantitatively analyzed and a new system is accurately designed by establishing the three-dimensional model of the fire protection system, setting the relevant parameters of the fluid in the pipe network subsystem to enable the three-dimensional model of the fire protection system to perform simulation operation, acquiring the result of the simulation operation and obtaining the reliable value of the fire protection system through a pre-designed calculation formula on the basis of the result.
Drawings
Fig. 1 is a flowchart illustrating steps of a method for evaluating a reliability value of a fire protection system of a nuclear power plant according to an embodiment of the present invention;
fig. 2 is a block diagram schematically illustrating a system for evaluating a reliability value of a fire protection system of a nuclear power plant according to a second embodiment of the present invention.
The reference numerals in the detailed description illustrate:
| evaluation system | 100 | Fire detector parameter acquisition unit | 102 |
| Fire control shower nozzle parameter acquisition unit | 103 | Three-dimensional simulation unit | 104 |
| Fluid parameter setting unit | 105 | Analysis and evaluation unit | 106 |
| Analysis and comparison unit | 107 | Parameter adjusting unit | 108 |
| Parameter influence analysis unit | 109 | Report generation unit | 110 |
| Data storage unit | 111 | Input/output unit | 112 |
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
The embodiment provides a method for evaluating the reliability value of a fire-fighting system of a nuclear power station.
It should be noted that the fire fighting system includes a pipe network subsystem, a fire detector subsystem and a fire sprinkler subsystem. The pipe network subsystem is composed of a plurality of pipelines and a plurality of elbows, the fire detector subsystem comprises a plurality of fire detectors, and the fire nozzle subsystem comprises a plurality of fire nozzles.
As shown in fig. 1, the evaluation method mainly includes the following steps:
s1, collecting parameters of the pipe network subsystem;
step S2, collecting parameters of the fire detector subsystem;
s3, collecting parameters of the fire-fighting spray head subsystem;
s4, establishing a three-dimensional model of the fire fighting system according to the parameters of the pipe network subsystem, the fire detector subsystem and the fire sprinkler subsystem, and combining the three-dimensional model of the protection target with the three-dimensional model of the fire fighting system to obtain a synthetic three-dimensional model;
step S5, setting relevant parameters of the fluid in the pipe network subsystem;
and S6, analyzing and calculating the reliable value of the fire fighting system according to the synthetic three-dimensional model and the relevant parameters of the fluid.
Specifically, in step S1, the parameters of the pipe network subsystem include the number of the pipes and the number of the elbows included in the pipe network subsystem, and also include the pipe length, the direction, the position coordinates, and the pipe diameter of each of the pipes, and the type and the position coordinates of each of the elbows.
In the above step S2, the parameters of the fire detector subsystem include the model and position coordinates of each of the fire detectors.
In step S3, the parameters of the fire sprinkler subsystem include the model and location coordinates of each of the fire sprinklers.
In the step S4, the parameters of the pipe network subsystem, the parameters of the fire detector subsystem, and the parameters of the fire sprinkler subsystem are integrated in a three-dimensional space in a computer to obtain a three-dimensional model of the fire protection system, so as to realize visualization of technical parameters of the fire protection system. The three-dimensional model of the protection target may be obtained by converting a two-dimensional drawing of the protection target into a three-dimensional drawing, and it is ensured that there is no conflict in spatial arrangement in the process of combining the three-dimensional model of the protection target with the three-dimensional model of the fire fighting system.
In the above step S5, the relevant parameters of the fluid include flow rate, temperature and pressure of the fluid. The fluid may be fire water commonly used in nuclear power plant fire protection systems.
In the evaluation method, a three-dimensional model of the fire protection system is established, the three-dimensional model of a protection target is combined with the three-dimensional model of the fire protection system, and then relevant parameters of fluid in the pipe network subsystem are set so as to enable the three-dimensional model of the fire protection system to perform simulation operation, so that a simulation operation result can be obtained, a reliable value of the fire protection system is obtained through a pre-designed calculation formula on the basis of the simulation operation result, and the quantitative analysis of the reliability of the fire protection system of the nuclear power station is realized.
Further, the step S6 includes the following three steps:
step S61, analyzing and calculating the detection coverage of the fire detector subsystem according to the synthesized three-dimensional model;
s62, analyzing and calculating the spraying coverage of the fire-fighting spray head subsystem according to the synthetic three-dimensional model and the relevant parameters of the fluid;
and step S63, determining the reliable value of the fire fighting system according to the detection coverage and the spraying coverage.
First, the reliability value in this embodiment is a quantitative value corresponding to the reliability of the fire protection system, and the reliability value indicates the reliability of the fire protection system, where the reliability value is calculated according to the detection coverage and the spraying coverage, where the detection coverage may reflect the reliability of the fire detector subsystem, and the spraying coverage may reflect the reliability of the pipe network subsystem and the fire sprinkler subsystem, so that the reliability value may accurately and comprehensively reflect the reliability of the whole fire protection system.
Further, the evaluation method further comprises: and S7, comparing the calculated reliable value with a standard value, adjusting the parameters of the pipe network subsystem or the fire detector subsystem or the fire nozzle subsystem or the related parameters of the fluid when the reliable value is not within the range of the standard value, and calculating the reliable value of the fire protection system after the parameters are adjusted.
By comparing the reliable value with the standard value, whether the current reliability of the fire fighting system is qualified or not can be reflected more visually. And when the current reliability of the fire-fighting system is unqualified, various parameters can be adjusted, and the reliability value of the fire-fighting system after the parameters are adjusted is calculated, so that the fire-fighting system is simulated and modified, a large amount of data support can be provided for practice modification, and the efficiency of the practice modification is improved.
Further, the evaluation method further comprises: and S8, analyzing and calculating the influence value of the corresponding parameter on the reliable value of the fire fighting system according to the difference value of the reliable values of the fire fighting system before and after parameter adjustment.
That is to say, the influence of various parameters on the reliable value of the fire fighting system can be qualitatively calculated to obtain the corresponding influence value, and then the modification scheme can be obtained more quickly according to the influence value of various parameters.
Further, the evaluation method further comprises: and S9, generating an analysis report of the fire fighting system according to the reliable value, the name and the plant position of the fire fighting system, and storing the analysis report in a database for subsequent calling or query.
When we need to invoke the analysis report, the analysis report can be derived from the database. When needing to inquire the analysis report of a certain fire protection system, the user can inquire the corresponding analysis report by inputting the name and the plant position of the certain fire protection system.
Example two
The embodiment provides a reliable value evaluation system 100 for a fire fighting system of a nuclear power station.
It should be noted that the fire fighting system includes a pipe network subsystem, a fire detector subsystem and a fire sprinkler subsystem. The pipe network subsystem is composed of a plurality of pipelines and a plurality of elbows, the fire detector subsystem comprises a plurality of fire detectors, and the fire nozzle subsystem comprises a plurality of fire nozzles.
As shown in fig. 2, the evaluation system 100 includes a pipe network parameter acquisition unit, a fire detector parameter acquisition unit 102, a fire sprinkler parameter acquisition unit 103, a three-dimensional simulation unit 104, a fluid parameter setting unit 105, and an analysis and evaluation unit 106. Wherein: the pipe network parameter acquisition unit is used for acquiring parameters of the pipe network subsystem; the fire detector parameter acquisition unit 102 is used for acquiring parameters of the fire detector subsystem; the fire sprinkler parameter acquisition unit 103 is used for acquiring parameters of the fire sprinkler subsystem; the three-dimensional simulation unit 104 is configured to establish a three-dimensional model of the fire protection system according to the parameters of the pipe network subsystem, the parameters of the fire detector subsystem, and the parameters of the fire sprinkler subsystem, and combine the three-dimensional model of the protection target with the three-dimensional model of the fire protection system to obtain a synthetic three-dimensional model; the fluid parameter setting unit 105 is configured to set relevant parameters of the fluid in the pipe network subsystem; the analysis and evaluation unit 106 is used for analyzing and calculating the reliable value of the fire fighting system according to the synthetic three-dimensional model and the relevant parameters of the fluid.
In this embodiment, the parameters of the pipe network subsystem include the number of the pipes and the number of the elbows included in the pipe network subsystem, and also include the pipe length, the direction, the position coordinates and the pipe diameter of each of the pipes, and the type and the position coordinates of each of the elbows. The parameters of the fire detector subsystem include the model and position coordinates of each of the fire detectors. The parameters of the fire sprinkler subsystem include the model and position coordinates of each of the fire sprinklers.
In this embodiment, in the process of combining the three-dimensional model of the protection target with the three-dimensional model of the fire protection system, if there is a conflict in spatial arrangement, the three-dimensional simulation unit 104 will automatically report an error and prompt an error message.
The evaluation system 100 establishes a three-dimensional model of the fire protection system, combines the three-dimensional model of the protection target with the three-dimensional model of the fire protection system, and then sets related parameters of fluid in the pipe network subsystem to enable the three-dimensional model of the fire protection system to perform simulation operation, so that a simulation operation result can be obtained, a reliable value of the fire protection system is obtained through a pre-designed calculation formula on the basis of the simulation operation result, and quantitative analysis of the reliability of the fire protection system of the nuclear power station is achieved.
Further, the analysis and evaluation unit 106 includes a detection coverage analysis subunit, a spraying coverage analysis subunit, and a comprehensive analysis subunit. Wherein: the detection coverage analysis subunit is used for analyzing and calculating the detection coverage of the fire detector subsystem according to the synthesized three-dimensional model; the spray coverage analysis subunit is used for analyzing and calculating the spray coverage of the fire-fighting spray head subsystem according to the synthetic three-dimensional model and the relevant parameters of the fluid; and the comprehensive analysis subunit is used for determining the reliable value of the fire fighting system according to the detection coverage range and the spraying coverage range.
In this embodiment, the reliability value is a quantitative value corresponding to the reliability of the fire protection system, and the larger the reliability value is, the higher the reliability of the corresponding fire protection system is, and here, the reliability value is calculated according to the detection coverage and the spraying coverage, where the detection coverage may reflect the reliability of the fire detector subsystem, and the spraying coverage may reflect the reliability of the pipe network subsystem and the fire sprinkler subsystem, and thus, the reliability value may accurately and comprehensively reflect the reliability of the whole fire protection system.
Further, the evaluation system 100 further includes: an analysis and comparison unit 107 for comparing the calculated reliable value with a standard value; and the parameter adjusting unit 108 is configured to adjust a parameter of the pipe network subsystem or a parameter of the fire detector subsystem or a parameter of the fire sprinkler subsystem or a related parameter of the fluid when the reliable value is not within the standard value range.
In addition, the analysis and evaluation unit 106 is further configured to calculate a reliability value of the fire protection system after parameter adjustment.
Through the optimization, the evaluation system 100 can more intuitively reflect whether the current reliability of the fire protection system is qualified or not by comparing the reliable value with a standard value. Moreover, when the current reliability of the fire protection system is not qualified, the evaluation system 100 can adjust various parameters and calculate the reliability value of the fire protection system after the parameters are adjusted, so that the fire protection system is subjected to simulation modification, a large amount of data support can be provided for practice modification, and the efficiency of the practice modification is improved.
Further, the evaluation system 100 further includes: and the parameter influence analysis unit 109 is used for analyzing and calculating the influence value of the corresponding parameter on the reliable value of the fire fighting system according to the difference value of the reliable values of the fire fighting system before and after parameter adjustment. In this way, the evaluation system 100 can qualitatively calculate the influence of various parameters on the reliable value of the fire protection system to obtain the corresponding influence value, and then can further increase the influence value of various parameters to help the user to quickly obtain the modification scheme of the fire protection system with respect to the reliability failure.
Further, the evaluation system 100 further includes: a report generating unit 110, configured to generate an analysis report of the fire protection system according to the reliable value, the name, and the plant location of the fire protection system; a data storage unit 111 for storing the analysis report of the fire fighting system in a database for subsequent invocation or query; and the input and output unit 112 is used for a user to input keywords, and corresponding information is called from the data storage unit 111 according to the keywords and is output to the user.
In this embodiment, the input/output unit 112 may be a touch display screen.
Therefore, when a user needs to query the analysis report of a certain fire protection system, the user can input the name and the plant location of the certain fire protection system through the input/output unit 112, and the input/output unit 112 retrieves the analysis report of the fire protection system corresponding to the name and the plant location from the data storage unit 111 and displays the analysis report for the user to browse. Of course, the user may also print the analysis report by an external printing device.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A nuclear power station fire-fighting system reliability value assessment method is characterized in that the fire-fighting system comprises a pipe network subsystem, a fire detector subsystem and a fire-fighting spray head subsystem, and the assessment method comprises the following steps:
collecting parameters of the pipe network subsystem;
collecting parameters of the fire detector subsystem;
collecting parameters of the fire-fighting spray head subsystem;
establishing a three-dimensional model of the fire fighting system according to the parameters of the pipe network subsystem, the parameters of the fire detector subsystem and the parameters of the fire fighting nozzle subsystem, and combining the three-dimensional model of the protection target and the three-dimensional model of the fire fighting system to obtain a synthetic three-dimensional model;
setting relevant parameters of the fluid in the pipe network subsystem;
and analyzing and calculating the reliable value of the fire fighting system according to the synthetic three-dimensional model and the relevant parameters of the fluid.
2. The method of claim 1, wherein the step of calculating the reliability value of the fire protection system based on the synthetic three-dimensional model and the analysis of the parameters associated with the fluid comprises:
analyzing and calculating the detection coverage range of the fire detector subsystem according to the synthesized three-dimensional model;
analyzing and calculating the spraying coverage range of the fire-fighting spray head subsystem according to the synthetic three-dimensional model and the relevant parameters of the fluid;
and determining the reliable value of the fire fighting system according to the detection coverage range and the spraying coverage range.
3. The nuclear power plant fire protection system reliability value evaluation method of claim 2, further comprising:
and comparing the calculated reliable value with a standard value, adjusting the parameters of the pipe network subsystem or the fire detector subsystem or the fire nozzle subsystem or the related parameters of the fluid when the reliable value is not within the range of the standard value, and calculating the reliable value of the fire protection system after parameter adjustment.
4. The nuclear power plant fire protection system reliability value evaluation method of claim 3, further comprising:
and analyzing and calculating the influence value of the corresponding parameter on the reliable value of the fire fighting system according to the difference value of the reliable values of the fire fighting system before and after parameter adjustment.
5. The nuclear power plant fire protection system reliability value evaluation method of claim 4, further comprising:
and generating an analysis report of the fire fighting system according to the reliable value, the name and the plant position of the fire fighting system, and storing the analysis report in a database for subsequent calling or query.
6. The utility model provides a reliable value evaluation system of nuclear power station fire extinguishing system which characterized in that, fire extinguishing system includes pipe network subsystem, fire alarm detector subsystem and fire control shower nozzle subsystem, evaluation system includes:
the pipe network parameter acquisition unit is used for acquiring parameters of the pipe network subsystem;
the fire detector parameter acquisition unit is used for acquiring parameters of the fire detector subsystem;
the fire-fighting nozzle parameter acquisition unit is used for acquiring parameters of the fire-fighting nozzle subsystem;
the three-dimensional simulation unit is used for establishing a three-dimensional model of the fire fighting system according to the parameters of the pipe network subsystem, the fire detector subsystem and the fire fighting nozzle subsystem, and combining the three-dimensional model of the protection target with the three-dimensional model of the fire fighting system to obtain a synthetic three-dimensional model;
the fluid parameter setting unit is used for setting relevant parameters of the fluid in the pipe network subsystem;
and the analysis and evaluation unit is used for analyzing and calculating the reliable value of the fire fighting system according to the synthetic three-dimensional model and the relevant parameters of the fluid.
7. The nuclear power plant fire protection system reliability value evaluation system of claim 6, wherein the analysis and evaluation unit comprises:
the detection coverage analysis subunit is used for analyzing and calculating the detection coverage of the fire detector subsystem according to the synthesized three-dimensional model;
the spray coverage analysis subunit is used for analyzing and calculating the spray coverage of the fire-fighting spray head subsystem according to the synthetic three-dimensional model and the relevant parameters of the fluid;
and the comprehensive analysis subunit is used for determining the reliable value of the fire fighting system according to the detection coverage range and the spraying coverage range.
8. The nuclear power plant fire protection system reliability value evaluation system of claim 7, further comprising:
the analysis and comparison unit is used for comparing the calculated reliable value with a standard value;
the parameter adjusting unit is used for adjusting the parameters of the pipe network subsystem or the fire detector subsystem or the fire nozzle subsystem or the related parameters of the fluid when the reliable value is not within the standard value range;
and the analysis and evaluation unit is also used for calculating the reliable value of the fire fighting system after the parameters are adjusted.
9. The nuclear power plant fire protection system reliability value evaluation system of claim 8, further comprising:
and the parameter influence analysis unit is used for analyzing and calculating the influence value of the corresponding parameter on the reliable value of the fire fighting system according to the difference value of the reliable values of the fire fighting system before and after parameter adjustment.
10. The nuclear power plant fire protection system reliability value evaluation system of claim 9, further comprising:
the report generating unit is used for generating an analysis report of the fire fighting system according to the reliable value, the name and the plant position of the fire fighting system;
and the data storage unit is used for storing the analysis report of the fire fighting system in a database so as to facilitate subsequent calling or query.
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