Nuclear reactor equipment forward design method

Abstract

The embodiment of the invention relates to the technical field of nuclear reactors, in particular to an equipment forward design method of a nuclear reactor. The equipment forward design method comprises the following steps: S1, determining an equipment scheme and a general drawing; s2, determining a component scheme and a general drawing; s3, determining a part scheme and a general drawing; s4, according to the function and performance index requirements of the part on the material, carrying out material laboratory trial-manufacturing; s5, carrying out technical feasibility evaluation on the material, and carrying out part laboratory trial-manufacturing; s6, carrying out technical feasibility evaluation on the parts, and carrying out laboratory trial-manufacturing of the parts; s7, carrying out technical feasibility evaluation on the parts, and carrying out equipment laboratory trial production to obtain a functional model machine; s8, carrying out equipment function prototype verification on the function prototype, carrying out key technology attacks, and carrying out equipment engineering trial-manufacture to obtain an engineering prototype after solving key technical problems of equipment; and S9, carrying out equipment engineering prototype verification on the engineering prototype, and after the equipment engineering prototype verification is passed, carrying out equipment engineering production to obtain an equipment product.

Description

Technical Field

[0001] The present application relates to the technical field of nuclear reactors, and in particular to a forward design method for nuclear reactor equipment. Background Art

[0002] This section of content merely provides background information related to the present application and does not necessarily constitute prior art.

[0003] The design of traditional domestic nuclear power plants mostly adopts methods such as "technology introduction" and "reference power plant". As the demand for independence continues to increase, how to carry out forward design of new nuclear reactors has become an urgent problem to be solved. Summary of the invention

[0004] A brief overview of the present application is provided below in order to provide a basic understanding of certain aspects of the present application. It should be understood that this overview is not an exhaustive overview of the present application. It is not intended to identify the key or important parts of the present application, nor is it intended to limit the scope of the present application. Its purpose is merely to present certain concepts in a simplified form as a prelude to a more detailed description discussed later.

[0005] In view of the above technical problems, an embodiment of the present application provides a forward design method for nuclear reactor equipment, including: S1, determining the equipment scheme and general drawing according to the system's functions and performance indicators, interface requirements, and operating conditions requirements for the equipment, wherein the equipment is divided into a plurality of components in the equipment scheme, and the functions and performance indicators, interface requirements, and operating conditions requirements are decomposed into corresponding components, and the system is determined according to the technical scheme of the power plant obtained by analyzing the power supply and heating capacity requirements of the nuclear reactor; S2, determining the component scheme and general drawing according to the equipment's functions and performance indicators, interface requirements, and operating conditions requirements for the components, wherein the components are divided into a plurality of parts in the component scheme, and the functions and performance indicators, interface requirements, and operating conditions requirements are decomposed into corresponding parts; S3, determining the part scheme and general drawing according to the components' functions and performance indicators, interface requirements, and operating conditions requirements for the parts, and decomposing the functions and performance indicators into materials; S4, conducting laboratory trial production of materials according to the parts' functions and performance indicators requirements for materials; S5, conducting laboratory trial production of materials produced in the laboratory S6. Carry out technical feasibility evaluation on the materials. If the technical evaluation is feasible, carry out laboratory trial production of parts based on the materials trial-produced in the laboratory; S7. Carry out technical feasibility evaluation on the parts trial-produced in the laboratory. If the technical evaluation is feasible, carry out laboratory trial production of parts based on the parts trial-produced in the laboratory to obtain functional prototypes; S8. Carry out equipment functional prototype verification on the functional prototype, analyze and evaluate the feasibility of equipment functions and performance, determine the technical difficulties and solutions that need to be solved, and carry out key technical research. After solving the key technical problems of the equipment, carry out equipment engineering trial production to obtain an engineering prototype; S9. Carry out equipment engineering prototype verification on the engineering prototype to verify whether the equipment functions and performance meet the functional and performance indicators, interface requirements, and working conditions requirements proposed by the affiliated system and the superior system; after the equipment engineering prototype verification is passed, carry out equipment engineering production to obtain equipment products.

[0006] The embodiments of the present application are mainly based on the forward design method of system engineering and the traditional mechanical equipment design process, and combined with the technical characteristics of the new nuclear reactor, a forward design method for equipment of the new nuclear reactor is summarized as a methodological guide for the forward design process of the equipment.

[0007] These and other advantages of the present application will become more apparent through the following detailed description of the preferred embodiments of the present application in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] In order to further illustrate the above and other advantages and features of the present application, the specific embodiments of the present application are further described in detail below in conjunction with the accompanying drawings. The accompanying drawings together with the following detailed description are included in this specification and form a part of this specification. Elements with the same function and structure are represented by the same reference numerals. It should be understood that these drawings only describe typical examples of the present application and should not be regarded as limiting the scope of the present application.

[0009] Figure 1 It is a flow chart of a method for forward design of equipment for a nuclear reactor according to an embodiment of the present application.

[0010] It should be noted that the drawings are not necessarily drawn to scale, but are merely shown in a schematic manner that does not affect the reader's understanding. DETAILED DESCRIPTION

[0011] Exemplary embodiments of the present application will be described below in conjunction with the accompanying drawings. For the sake of clarity and conciseness, not all features of the actual implementation are described in the specification. However, it should be understood that many implementation-specific decisions must be made in the process of developing any such actual implementation in order to achieve the developer's specific goals, such as meeting those constraints related to the system and business, and these constraints may vary from implementation to implementation. In addition, it should be understood that although the development work may be very complex and time-consuming, it is only a routine task for those skilled in the art who benefit from the content of this application.

[0012] It is also necessary to explain here that, in order to avoid obscuring the present application due to unnecessary details, only the device structure and / or processing steps closely related to the scheme according to the present application are shown in the accompanying drawings, while other details that are not very relevant to the present application are omitted.

[0013] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in this application should have the common meanings understood by persons with ordinary skills in the field to which this application belongs.

[0014] In the description of the embodiments of the present application, “plurality” means at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0015] In the forward design of new nuclear reactors, equipment design is the most core content. How to decompose the technical indicators of the power plant layer by layer, implement them into physical equipment, and develop physical equipment that meets the requirements of technical indicators is a difficult problem to be solved.

[0016] The embodiments of the present application provide a method for forward design of nuclear reactor equipment, which is used to provide methodological guidance for the smooth implementation of equipment design for new nuclear reactors.

[0017] like Figure 1 As shown, Figure 1 The figure is a flow chart of a method for forward design of nuclear reactor equipment according to an embodiment of the present application. The embodiment of the present application provides a method for forward design of nuclear reactor equipment, including steps S1 to S9.

[0018] S1. According to the system's functional and performance indicators, interface requirements, and operating requirements for the equipment, the equipment plan and general diagram are determined. The equipment plan divides the equipment into multiple components, and the functional and performance indicators, interface requirements, and operating requirements are decomposed into corresponding components. The system is determined based on the power plant technical plan obtained by analyzing the power supply and heating capacity requirements of the nuclear reactor.

[0019] S2. Determine the component plan and general drawing based on the equipment's functions and performance indicators, interface requirements, and working conditions. In the component plan, divide the component into multiple parts, and decompose the functions and performance indicators, interface requirements, and working conditions into corresponding parts.

[0020] S3. Determine the parts plan and general drawing based on the functions and performance indicators of the components, interface requirements, and working conditions, and decompose the functions and performance indicators into materials.

[0021] S4. Carry out laboratory trial production of materials based on the functional and performance requirements of the parts.

[0022] S5. Conduct technical feasibility evaluation on the materials trial-produced in the laboratory. If the technical evaluation is feasible, carry out laboratory trial production of parts based on the materials trial-produced in the laboratory.

[0023] S6. Conduct technical feasibility evaluation on the parts trial-produced in the laboratory. If the technical evaluation is feasible, carry out laboratory trial production of components based on the parts trial-produced in the laboratory.

[0024] S7. Conduct technical feasibility evaluation on the components trial-produced in the laboratory. If the technical evaluation is feasible, carry out equipment laboratory trial production based on the components trial-produced in the laboratory to obtain a functional prototype.

[0025] S8. Verify the functional prototype of the equipment, analyze and evaluate the feasibility of the equipment function and performance, determine the technical difficulties and solutions that need to be solved, and carry out key technical research; after solving the key technical problems of the equipment, carry out equipment engineering trial production to obtain an engineering prototype.

[0026] S9. Carry out equipment engineering prototype verification on the engineering prototype to verify whether the equipment functions and performance meet the functional and performance indicators, interface requirements, and working conditions requirements proposed by the affiliated system and the superior system; after the equipment engineering prototype verification is passed, carry out equipment engineering production to obtain the equipment product.

[0027] The embodiments of the present application are mainly based on the forward design method of system engineering and the traditional mechanical equipment design process, and combined with the technical characteristics of the new nuclear reactor, a forward design method for equipment of the new nuclear reactor is summarized as a methodological guide for the forward design process of the equipment.

[0028] The device forward design method provided in the embodiment of the present application makes the device design input complete and accurate through the above-mentioned steps S1 to S9, makes the device forward design process more logical, helps to reduce the design time, and avoids design rework or design failure due to incomplete design input.

[0029] The embodiments of the present application divide the design and decomposition process into three levels: overall forward design method, system forward design method, and equipment forward design method, based on the classical system.

[0030] The embodiments of this application further refine the device layer technology development process and summarize the device forward design method of the embodiments of this application. The device forward design method provided in the embodiments of this application can also be called the "three-step prototype" method, which summarizes the device technology development into functional prototype development and verification, engineering prototype development and verification, and equipment production and verification. The development and verification of the three major prototypes all reflect the design and decomposition from equipment, components, parts to materials, and the integration and verification of materials, parts, components, and equipment.

[0031] In the embodiment of the present application, steps S1 to S7 may correspond to the development and verification of functional prototypes; step S8 may correspond to the development and verification of engineering prototypes; and step S9 may correspond to equipment production and verification. Among them, steps S1 to S4 may correspond to the design and decomposition steps in the forward design method; and steps S5 to S7 may correspond to the integration and verification steps of the forward design method.

[0032] The method provided in the embodiments of the present application is practiced and summarized in the equipment design process of a sodium-cooled fast reactor, and can provide methodological guidance for the smooth implementation of equipment design for a new type of nuclear reactor.

[0033] In some embodiments, step S1 includes: S11. Determine the equipment functions and performance indicators, interface requirements, and operating condition requirements based on the system's functions and performance indicators, interface requirements, and operating condition requirements for the equipment; S12. Carry out equipment operating condition design based on the equipment functions and performance indicators, interface requirements, and operating condition requirements; S13. Carry out equipment thermal and hydraulic calculations based on the results of the equipment operating condition design, and preliminarily determine the equipment process parameters; S14. Carry out equipment structure design based on the results of the equipment operating condition design; S15. Form an equipment plan and general drawing, and decompose the functions and performance indicators, interface requirements, and operating condition requirements into corresponding components.

[0034] In some embodiments, in step S15, equipment strength, earthquake resistance, stress, vibration and other analyses may be performed; an equipment plan and general diagram may be formed, and functional and performance indicators, interface requirements, and operating conditions requirements may be decomposed into corresponding components.

[0035] In some embodiments, step S2 includes: S21. Determine the functions and performance indicators, interface requirements, and operating conditions of the components according to the equipment's functions and performance indicators, interface requirements, and operating conditions; S22. Carry out component operating condition design according to the functions and performance indicators, interface requirements, and operating conditions; S23. Carry out thermal and hydraulic calculations of the components according to the results of the component operating condition design, and preliminarily determine the component process parameters; S24. Carry out component structural design according to the results of the component operating condition design; S25. Form a component plan and general drawing, and decompose the functions and performance indicators, interface requirements, and operating conditions requirements into corresponding parts.

[0036] In some embodiments, in step S25, component strength, earthquake resistance, stress, vibration and other analyses may be performed; a component plan and general drawing may be formed, and functional and performance indicators, interface requirements, and operating requirements may be decomposed into corresponding parts.

[0037] In some embodiments, step S3 includes: S31, determining the functions and performance indicators, interface requirements, and working condition requirements of the part according to the functions and performance indicators, interface requirements, and working condition requirements of the component; S32, carrying out part working condition design according to the functions and performance indicators, interface requirements, and working condition requirements of the part; S33, carrying out part mechanical design according to the results of the part working condition design, and preliminarily determining the part structural parameters; S35, forming part plans and drawings, and decomposing the functions and performance indicators into materials.

[0038] In some embodiments, in step S15, analysis of part strength, earthquake resistance, stress, vibration, etc. can be carried out; part plans and drawings can be formed, and functions and performance indicators can be decomposed into materials.

[0039] In some embodiments, step S4 includes: S41, determining material performance requirements based on the function and performance index requirements of the part for the material; S42, determining a preliminary material plan based on the material performance requirements; S43, conducting laboratory trial production of materials based on the preliminary material plan.

[0040] In some embodiments, the technical feasibility evaluation of the materials trial-produced in the laboratory in step S5 may include: conducting technical feasibility evaluations such as material performance evaluation, material technical difficulties and solutions based on material verification requirements.

[0041] In some embodiments, the technical feasibility evaluation of the parts trial-produced in the laboratory in step S6 may include: conducting technical feasibility evaluations such as part function and performance evaluation, part technical difficulties and solutions based on part verification requirements.

[0042] In some embodiments, the technical feasibility evaluation of the components trial-produced in the laboratory in step S7 may include: conducting technical feasibility evaluations such as component function and performance evaluation, component technical difficulties and solutions based on component verification requirements.

[0043] In some embodiments, step S8 includes: S81, based on the laboratory developed materials that have passed the technical feasibility evaluation, after solving the key technical problems of the materials, carry out material engineering trial production and material engineering verification. If the verification results meet the requirements, they are integrated upward into parts.

[0044] In some embodiments, step S8 further includes: S82, based on the laboratory trial-produced parts that have passed the technical feasibility evaluation, after solving the key technical problems of the parts, when the material engineering verification results meet the requirements, then carry out part engineering trial production and part engineering verification. If the verification results meet the requirements, then integrate upward into the components.

[0045] In some embodiments, step S8 further includes: S83, based on the laboratory trial-produced components that have passed the technical feasibility evaluation, after solving the key technical problems of the components, when the engineering verification results of the parts meet the requirements, then carry out engineering trial production and engineering verification of the components. If the verification results meet the requirements, then integrate them upward into the equipment.

[0046] In some embodiments, step S8 also includes: S84, based on the equipment produced by the laboratory through the technical feasibility evaluation, after solving the key technical problems of the equipment, when the results of the component engineering verification meet the requirements, the equipment engineering trial production is carried out to obtain the equipment engineering prototype.

[0047] In some embodiments, step S9 also includes: S91. After the material engineering verification results meet the requirements, material engineering production is carried out; S92. After the parts engineering verification results meet the requirements, parts engineering production is carried out on the basis of material engineering production; S93. After the component engineering verification results meet the requirements, component engineering production is carried out on the basis of parts engineering production; S94. After the engineering prototype verification results meet the requirements, equipment engineering production is carried out on the basis of component engineering production to obtain equipment products.

[0048] When the equipment engineering prototype is verified and passed, the engineering production of materials, parts and components will be carried out from bottom to top, and finally the equipment product will be produced.

[0049] In some embodiments, equipment technical status items are output at different design stages, including but not limited to system functions, performance, and physical characteristics defined in the following documents, such as "Equipment Design Requirements", "Equipment Operating Conditions Description", "Equipment Strength Calculation Report", "Equipment Mechanical Analysis Report", "Equipment Seismic Analysis Report", "Equipment Technical Specifications", "Equipment General Drawing", functional prototypes, engineering prototypes, production prototypes (equipment products), etc.

[0050] Regarding the embodiments of the present application, it should also be noted that, in the absence of conflict, the embodiments of the present application and the features therein can be combined with each other to obtain new embodiments.

[0051] The above description is only a specific implementation manner of the present application, but the protection scope of the present application is not limited thereto. The protection scope of the present application shall be based on the protection scope of the claims.

Claims

1. A method for forward design of nuclear reactor equipment, characterized in that: include: S1. Determine the equipment scheme and general diagram according to the system's functions and performance indicators, interface requirements, and operating conditions requirements for the equipment. In the equipment scheme, the equipment is divided into multiple components, and the functions and performance indicators, interface requirements, and operating conditions requirements are decomposed into corresponding components. The system is determined based on the power plant technical scheme obtained by analyzing the power supply and heating capacity requirements of the nuclear reactor; S2. Determine the component scheme and general drawing according to the function and performance index, interface requirements and working condition requirements of the equipment for the component, wherein the component scheme divides the component into multiple parts, and decomposes the function and performance index, interface requirements and working condition requirements into corresponding parts; S3. Determine the parts plan and general drawing according to the functions and performance indicators of the parts, interface requirements, and working condition requirements, and decompose the functions and performance indicators into materials; S4. Carry out laboratory trial production of materials according to the function and performance index requirements of parts; S5. Conduct technical feasibility evaluation on the materials trial-produced in the laboratory. If the technical evaluation is feasible, carry out laboratory trial production of parts based on the materials trial-produced in the laboratory; S6. Conduct technical feasibility evaluation on the parts trial-produced in the laboratory. If the technical evaluation is feasible, carry out laboratory trial production of components based on the parts trial-produced in the laboratory; S7. Conduct technical feasibility evaluation on the components trial-produced in the laboratory. If the technical evaluation is feasible, conduct equipment laboratory trial production based on the components trial-produced in the laboratory to obtain a functional prototype; S8. Verify the functional prototype of the functional prototype, analyze and evaluate the feasibility of the equipment function and performance, determine the technical difficulties and solutions that need to be solved, and carry out key technical research; After solving the key technical problems of the equipment, carry out engineering trial production of the equipment and obtain an engineering prototype; S9. Carry out equipment engineering prototype verification on the engineering prototype to verify whether the equipment functions and performance meet the functional and performance indicators, interface requirements, and working condition requirements proposed by the affiliated system and the superior system; after the equipment engineering prototype verification is passed, carry out equipment engineering production to obtain the equipment product.

2. The method according to claim 1, characterized in that The S1 step includes: S11. Determine the functions and performance indicators, interface requirements, and working condition requirements of the equipment according to the functions and performance indicators, interface requirements, and working condition requirements of the system; S12. Carry out equipment working condition design according to the equipment functions and performance indicators, interface requirements, and working condition requirements; S13. Based on the results of the equipment working condition design, carry out thermal hydraulic calculations of the equipment and preliminarily determine the equipment process parameters; S14. Carry out equipment structure design according to the results of the equipment working condition design; S15. Carry out load combination and limitation analysis of the equipment under different working conditions, form the equipment scheme and general diagram, and decompose the functions and performance indicators into corresponding components.

3. The method according to claim 1, characterized in that The S2 step includes: S21. Determine the functions and performance indicators, interface requirements, and working condition requirements of the components according to the functions and performance indicators, interface requirements, and working condition requirements of the equipment; S22. Carry out component working condition design according to the component functions and performance indicators, interface requirements, and working condition requirements; S23. Based on the results of the component working condition design, thermal hydraulic calculations of the component are carried out to preliminarily determine the component process parameters; S24. Carrying out component structure design according to the result of the component working condition design; S25. Carry out load combination and limitation analysis of components under different working conditions, form the component scheme and general drawing, and decompose the functional and performance indicators, interface requirements, and working condition requirements into corresponding parts.

4. The method according to claim 3, characterized in that The S3 steps include: S31. Determine the functions and performance indicators, interface requirements, and working condition requirements of the parts according to the functions and performance indicators, interface requirements, and working condition requirements of the parts; S32. Carry out part working condition design according to the part functions and performance indicators, interface requirements, and working condition requirements; S33. Based on the result of the part working condition design, carry out the part mechanical design and preliminarily determine the part structural parameters; S35. Carry out load combination and limitation analysis of parts under different working conditions, form part plans and drawings, and decompose functions and performance indicators into materials.

5. The method according to claim 3, characterized in that: The S4 step includes: S41. Determine the material performance requirements based on the parts' requirements for material functions and performance indicators; S42. Determine a preliminary material plan based on the material performance requirements; S43. Conduct laboratory trial production of materials based on the preliminary material plan.

6. The method according to claim 1, characterized in that Step S8 includes: Based on laboratory-developed materials that have passed technical feasibility evaluation and after solving key technical problems of the materials, material engineering trial production and material engineering verification are carried out.

7. The method according to claim 6, characterized in that Step S8 also includes: Based on the parts trial-produced in the laboratory that have passed the technical feasibility evaluation, after solving the key technical problems of the parts, when the results of material engineering verification meet the requirements, part engineering trial production and part engineering verification are carried out.

8. The method according to claim 7, characterized in that Step S8 also includes: Based on the components trial-produced in the laboratory that have passed the technical feasibility evaluation, after solving the key technical problems of the components, when the results of the parts engineering verification meet the requirements, the component engineering trial production and component engineering verification are carried out.

9. The method according to claim 8, characterized in that Step S8 also includes: Based on the equipment trial-produced in the laboratory that has passed the technical feasibility evaluation, after solving the key technical problems of the equipment, when the results of the component engineering verification meet the requirements, the equipment engineering trial production is carried out to obtain the engineering prototype.

10. The method according to claim 9, characterized in that Step S9 includes: S91. After the material engineering verification results meet the requirements, material engineering production shall be carried out; S92. After the results of part engineering verification meet the requirements, part engineering production is carried out on the basis of material engineering production; S93. After the results of component engineering verification meet the requirements, component engineering production is carried out on the basis of parts engineering production; S94. After the engineering prototype verification result meets the requirements, equipment engineering production is carried out based on the component engineering production to obtain the equipment product.

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