Three-dimensional rapid design method for side type water inlet / outlet of pumped storage power station
By establishing a parametric 3D model and calculation template, hydraulic calculations are integrated into the 3D design process of the side inlet/outlet of a pumped storage power station, solving the problem of low design efficiency and achieving faster and more accurate 3D design.
Patent Information
- Application Number
- CN202410280053.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-12
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2044-03-12
AI Technical Summary
In existing technologies, the three-dimensional design of the inlet/outlet of pumped storage power stations is inefficient, failing to effectively combine hydraulic calculations with three-dimensional design, resulting in a less intuitive and less efficient design process.
A rapid three-dimensional design method for the side-type inlet/outlet of a pumped storage power station is adopted. By establishing a parametric three-dimensional model and calculation template, hydraulic calculations are integrated into the three-dimensional design process. Standardized parameters are used to drive the calculation of submergence depth and engineering quantities, thereby realizing the rapid three-dimensional design of the inlet/outlet.
It improves the efficiency and accuracy of inlet/outlet design, can more intuitively show the spatial form, and quickly calculate the engineering quantity, making it easier for designers to optimize and adjust.
Smart Images

Figure CN118171356B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application belongs to the technical field of water conservancy and hydropower engineering, and particularly relates to a method for three-dimensional rapid design of a side-type intake / outlet of a pumped storage power station. BACKGROUND
[0002] Pumped storage power stations have important characteristics of optimizing energy distribution, stabilizing power grids and creating economic benefits. It is not only an important part of the new energy system, but also an effective way to solve the problem of consumption caused by large-scale grid connection of new energy. The intake / outlet of a pumped storage power station, as a key structure of a water conveyance building, needs to have the functions of water diversion and drainage, flexible arrangement, high hydraulic conditions and high design calculation combination. The modification of hydraulic calculation and engineering quantity calculation caused by size adjustment in the design process is the key point affecting the design efficiency of the intake / outlet.
[0003] At present, the invention research on the design method of the intake / outlet of a pumped storage power station mainly focuses on the optimization of the structural arrangement of the intake / outlet, and is mostly the arrangement adjustment of the adaptability of the building to the environment and working conditions, without research on the efficiency of specific three-dimensional design and related calculation. SUMMARY
[0004] The purpose of the application is to provide a method for three-dimensional rapid design of a side-type intake / outlet of a pumped storage power station, which solves the problem of low efficiency of traditional two-dimensional design.
[0005] The technical solution adopted by the application is that the method for three-dimensional rapid design of a side-type intake / outlet of a pumped storage power station integrates hydraulic calculation of the intake / outlet into the three-dimensional design process of the side-type intake / outlet, establishes a parameterized three-dimensional model and a design calculation template suitable for the design needs, simplifies the three-dimensional design process of the intake / outlet through parameter hanging linkage, drives the establishment and update of submerged depth calculation, three-dimensional model and engineering quantity calculation of the intake / outlet by standardized parameters, and realizes three-dimensional rapid design of the side-type intake / outlet.
[0006] The application also has the following characteristics:
[0007] Step 1, creating various control parameters of the side-type intake / outlet of a pumped storage power station, and establishing a bottom plate elevation calculation template, a body type template, an excavation template and an engineering quantity calculation template of the side-type intake / outlet;
[0008] Step 2, create a pumped storage power station side type inlet / outlet design scheme, set the characteristic parameters, including the dead water level, the layout type of the hydraulic unit, the unit rated flow, the number of trash rack orifices per unit of water power unit, and the size parameters of the downstream flow channel of the inlet / outlet, conduct submerged depth, water depth above the inlet top plate and Froude number inspection, call the bottom elevation calculation template of the side type inlet / outlet established in step 1 to calculate and determine the bottom elevation of the inlet / outlet;
[0009] Step 3, create an inlet / outlet body model name, establish an inlet / outlet shaft based on the bottom elevation of the inlet / outlet determined in step 2, read the inlet / outlet body related parameters determined in step 2, set the side type inlet / outlet body detail parameters for diffusion angle calculation inspection, call the side type inlet / outlet body template established in step 1 to generate the three-dimensional body of the inlet / outlet;
[0010] Step 4, create an inlet / outlet excavation model name, select the excavation type according to the geological and topographic conditions and the reservoir basin design, set the inlet / outlet excavation face size parameters, establish the excavation shaft, select the reservoir basin surface / topographic surface for excavation, call the side type inlet / outlet excavation template established in step 1 to generate the three-dimensional excavation surface of the inlet / outlet;
[0011] Step 5, read the engineering quantity calculation related model measurement parameters of the three-dimensional body of the inlet / outlet generated in step 3 and the three-dimensional excavation surface of the inlet / outlet generated in step 4, set the excavation support calculation related parameters, call the side type inlet / outlet engineering quantity calculation template established in step 1 to calculate the engineering quantity related to the inlet / outlet body and the excavation surface respectively;
[0012] Step 6, according to the design quantity of the hydraulic unit of the pumped storage power station water conveying system, combined with the geological and topographic conditions, create one or more inlet / outlet body and inlet / outlet excavation models, and summarize the engineering quantity obtained in step 5 to obtain the total engineering quantity, export the total engineering quantity table, and complete the three-dimensional design of the side type inlet / outlet of the pumped storage power station.
[0013] Step 1 specifically includes the following steps:
[0014] Step 1.1, create various control parameters of the side type inlet / outlet, including the trash rack orifice width, the trash rack orifice height, the number of trash rack orifices per unit of water power unit, and the diameter of the tunnel at the inlet / outlet, establish a side type inlet / outlet bottom elevation calculation template, and specify the related parameter calculation formula and built-in submerged depth, water depth above the inlet top plate and Froude number inspection design specification;
[0015] Step 1.2, create side-type intake / outlet body shape parameters, including trash rack opening width, trash rack opening height, split pier thickness, side pier thickness, and vortex prevention beam width, height, spacing, and number, to establish a side-type intake / outlet body shape template with the shaft system as the input condition, and built-in engineering quantity calculation related model measurement parameters;
[0016] Step 1.3, create bottom plate slope, excavate bottom plate maximum width, excavate bottom plate minimum width, and reservoir bottom elevation parameters, to establish a side-type intake / outlet excavation template with the shaft system, reservoir basin surface, and terrain surface as input conditions, including four types of torsion surface excavation, river channel excavation, reservoir basin internal excavation, and reservoir basin external excavation, with built-in engineering quantity calculation related model measurement parameters;
[0017] Step 1.4, create engineering quantity calculation parameters, including shotcrete thickness, anchor rod spacing, anchor rod row spacing, and stage coefficient, to clearly define engineering quantity calculation items and establish a side-type intake / outlet engineering quantity calculation template.
[0018] Step 2 specifically includes the following steps:
[0019] Step 2.1, create a side-type intake / outlet design scheme for a pumped storage power station, set dead water level, water unit arrangement type, unit rated flow, number of trash rack openings per unit of water, and downstream flow channel size parameters for the intake / outlet, determine trash rack passage velocity according to the requirements of the water intake design specification, and inversely calculate trash rack opening width and height;
[0020] Step 2.2, based on the inverse calculation results, determine the design values of trash rack opening width and height, calculate the minimum submergence depth according to the design values, and inversely calculate the bottom plate elevation;
[0021] Step 2.3, based on the calculated value of the bottom plate elevation, set the design value of the bottom plate elevation with a remainder degree, inversely calculate the submergence depth, water depth above the inlet roof, and Froude number, and compare them with the required range of the water intake design specification. If not in compliance, repeat steps 2.1-2.3 to adjust the relevant parameters until the design specification requirements are met, and the final bottom plate elevation design value is the intake / outlet bottom plate elevation of the current design scheme. If in compliance, directly determine the bottom plate elevation design value as the intake / outlet bottom plate elevation of the current design scheme.
[0022] Step 3 specifically includes the following steps:
[0023] Step 3.1, create an intake / outlet body shape model name, read the intake / outlet bottom plate elevation of the current design scheme determined in step 2, intake / outlet downstream flow channel size parameters, number of trash rack openings per unit of water, trash rack opening width, and height values;
[0024] Step 3.2, set the side-type inlet / outlet body shape detail parameters, including the thickness of the flow dividing block, the thickness of the side block, the length of the adjusting section, the length of the diffusion section, the thickness of the top plate, and the height of the maintenance platform. After setting the parameters, calculate the diffusion section elevation and plane diffusion angle, and check whether the diffusion section elevation and plane diffusion angle meet the requirements of the design specification of the hydropower station inlet. Adjust the length of the diffusion section and the length of the adjusting section until the design specification requirements are met.
[0025] Step 3.3, based on the bottom elevation determined in step 2, establish the bottom elevation plane, and then establish the inlet / outlet body shape axis system. Call the side-type inlet / outlet body shape template created in step 1 to generate the three-dimensional shape of the inlet / outlet.
[0026] Step 4 specifically includes the following steps:
[0027] Step 4.1, create an inlet / outlet excavation model name, and select one of the four types of inlet / outlet excavation types, including torsional surface excavation, river channel excavation, in-pot excavation, and out-pot excavation, according to the geological and topographical conditions and the design of the reservoir basin.
[0028] Step 4.2, based on the inlet / outlet excavation type determined in step 4.1, establish the inlet / outlet excavation surface axis system, and set the inlet / outlet excavation surface size parameters, including the bottom slope, the maximum width of the excavation bottom, the minimum width of the excavation bottom, and the reservoir bottom elevation.
[0029] Step 4.3, based on the inlet / outlet excavation type determined in step 4.1, call the side-type inlet / outlet excavation template established in step 1 to generate the three-dimensional excavation surface of the inlet / outlet.
[0030] Step 5 specifically includes the following steps:
[0031] Step 5.1, read the engineering quantity calculation related model measurement parameters of the three-dimensional shape of the inlet / outlet generated in step 3, set the body excavation support calculation related parameters, including the concrete type and the concrete reinforcement rate, and call the side-type inlet / outlet engineering quantity calculation template established in step 1 to calculate the related engineering quantity of the inlet / outlet body shape.
[0032] Step 5.2, read the engineering quantity calculation related model measurement parameters of the three-dimensional excavation surface of the inlet / outlet generated in step 4, set the excavation surface excavation support calculation related parameters, including the anchor rod spacing, the anchor rod row spacing, the thickness of the sprayed concrete, and the concrete reinforcement rate of the excavation surface plate, and call the side-type inlet / outlet engineering quantity calculation template established in step 1 to calculate the related engineering quantity of the inlet / outlet excavation surface.
[0033] The beneficial effects of the application are: the pumped storage power station side type inlet / outlet port three-dimensional rapid design method of the application, through the establishment of a variety of parameterized three-dimensional models suitable for actual design needs, calculation templates, to standardized parameter driving inlet / outlet port submergence depth calculation, three-dimensional model and engineering quantity calculation, the establishment and update. Compared with the traditional two-dimensional design, the spatial form of the inlet / outlet port can be more real and intuitive, and the inlet / outlet port engineering quantity can be calculated more quickly, which is convenient for designers to layout and optimize and adjust the details of the three-dimensional design of the inlet / outlet port. BRIEF DESCRIPTION OF DRAWINGS
[0034] Figure 1 is a schematic diagram of the inlet / outlet port bottom plate elevation calculation template in the application;
[0035] Figure 2 is a schematic diagram of the side type inlet / outlet port body type template in the application;
[0036] Figure 3 is a schematic diagram of the inlet / outlet port twist surface excavation template in the application;
[0037] Figure 4 is a schematic diagram of the inlet / outlet port reservoir basin inner excavation template in the application;
[0038] Figure 5 is a schematic diagram of the inlet / outlet port reservoir basin outer excavation template in the application;
[0039] Figure 6 is a schematic diagram of the inlet / outlet port river channel excavation template in the application;
[0040] Figure 7 is a schematic diagram of the inlet / outlet port engineering quantity calculation template in the application;
[0041] Figure 8 is a schematic diagram of the inlet / outlet port body type three-dimensional model generation in the application;
[0042] Figure 9 is a schematic diagram of the inlet / outlet port excavation surface three-dimensional model generation in the application;
[0043] Figure 10 is a schematic diagram of the inlet / outlet port total engineering quantity export in the application. DETAILED DESCRIPTION
[0044] The application will be described in detail below in combination with the drawings and specific embodiments.
[0045] Example 1
[0046] The application provides a three-dimensional rapid design method for a side-type water inlet / outlet of a pumped storage power station, integrates hydraulic calculation of the water inlet / outlet into a three-dimensional design process of the side-type water inlet / outlet, establishes a parameterized three-dimensional model and a design calculation template suitable for design needs, simplifies the three-dimensional design process of the water inlet / outlet through parameter linkage, drives the establishment and update of submerged depth calculation, three-dimensional modeling and engineering quantity calculation of the water inlet / outlet by standardized parameters, and realizes three-dimensional rapid design of the side-type water inlet / outlet.
[0047] Embodiment 2
[0048] The application provides a three-dimensional rapid design method for a side-type water inlet / outlet of a pumped storage power station, including the following steps:
[0049] Step 1, creating various control parameters of the side-type water inlet / outlet of the pumped storage power station, establishing a bottom plate elevation calculation template, a three-dimensional shape of the side-type water inlet / outlet, an excavation template and an engineering quantity calculation template; specifically,
[0050] Step 1.1, creating main control parameters of the water inlet / outlet, including a trash rack orifice width, a trash rack orifice height, a number of trash rack orifices per unit hydraulic unit, a diameter of a tunnel at the water inlet / outlet, establishing a side-type water inlet / outlet bottom plate elevation calculation template, and clearly defining a related parameter calculation formula, built-in submerged depth, water depth above an inlet top plate, and Fr number test design specifications, as shown in the accompanying Figure 1 ;
[0051] Step 1.2, creating side-type water inlet / outlet shape parameters, including a trash rack orifice width, a trash rack orifice height, a splitter thickness, a side pier thickness, a vortex prevention beam width, height, spacing and number, taking an axis system as an input condition, establishing a side-type water inlet / outlet shape parameterization template, and built-in engineering quantity calculation related model measurement parameters, as shown in the accompanying Figure 2 ;
[0052] Step 1.3, creating a bottom plate slope, an excavation bottom plate maximum width, a minimum width, and a reservoir bottom elevation parameter, taking an axis system, a reservoir basin surface and a terrain surface as input conditions, establishing an excavation template suitable for different design conditions of the water inlet / outlet, mainly including four types of torsion surface excavation, river channel excavation, reservoir basin inner excavation and reservoir basin outer excavation, and built-in engineering quantity calculation related model measurement parameters, as shown in the accompanying Figures 3-6 ;
[0053] Step 1.4, creating engineering quantity calculation parameters, including a shotcrete thickness, an anchor rod spacing, a row spacing and a stage coefficient, clearly defining engineering quantity calculation items, and establishing a side-type water inlet / outlet engineering quantity calculation template, as shown in the accompanying Figure 7 .
[0054] Step 2, create a pumped storage power station side type inlet / outlet design scheme, set the characteristic parameters, including water level, hydraulic unit arrangement type, unit rated flow, set the inlet / outlet body size main size parameters, carry out the submerged depth, water depth above the inlet top plate, Froude number inspection, calculate and determine the inlet / outlet bottom plate elevation; Specifically:
[0055] Step 2.1, create a pumped storage power station side type inlet / outlet design scheme, set the dead water level, hydraulic unit arrangement type, unit rated flow, unit hydraulic unit trash rack orifice number and inlet / outlet downstream flow passage size parameters, according to NB / T 10858-2021 “Hydropower Station Inlet Design Specification”, preliminary draft trash rack passing speed, inverse calculation of trash rack orifice width and height;
[0056] Step 2.2, based on the inverse calculation result, determine the design value of the trash rack orifice width and height, calculate the minimum submerged depth according to the design value, and inversely calculate the bottom plate elevation;
[0057] Step 2.3, according to the bottom plate elevation calculation value, set the bottom plate elevation design value with a certain allowance, inversely calculate the submerged depth, water depth above the inlet top plate and Froude number, and compare with the requirements of NB / T 10858-2021 “Hydropower Station Inlet Design Specification”. If not, adjust the relevant parameters and repeat steps 2.1-2.3 until the requirements are met. The final bottom plate elevation design value is the inlet / outlet bottom plate elevation of the current design scheme. If it meets the requirements, the set bottom plate elevation design value is directly determined as the inlet / outlet bottom plate elevation of the current design scheme.
[0058] Step 3, create an inlet / outlet body type model name, establish an inlet / outlet shaft based on the inlet / outlet bottom plate elevation determined in step 2, read the inlet / outlet bottom plate elevation, inlet / outlet downstream flow passage size parameters, unit hydraulic unit trash rack orifice number, trash rack orifice width and height value determined in step 2, set the inlet / outlet body type detail parameters for diffusion angle calculation and inspection, call the side type inlet / outlet body type template established in step 1, and generate an inlet / outlet three-dimensional body type; Specifically:
[0059] Step 3.1, create an inlet / outlet body type model name, read the bottom plate elevation, inlet / outlet downstream flow passage size parameters, unit hydraulic unit trash rack orifice number, trash rack orifice width and height parameters of the current design scheme determined in step 2;
[0060] Step 3.2, set the side-type inlet / outlet water port body type detail parameters, including the thickness of the flow divider, the thickness of the side pier, the length of the adjustment section, the length of the diffusion section, the thickness of the top plate, the height of the maintenance platform, after setting the parameters, calculate the diffusion section elevation and plane diffusion angle, check whether the diffusion section elevation and plane diffusion angle meet the requirements of NB / T10858-2021 “Hydropower Station Inlet Design Specification”, adjust the current diffusion section length and adjustment section length design value until the above specification requirements are met;
[0061] Step 3.3, based on the bottom elevation determined in step 2, establish the bottom elevation plane, and then establish the inlet / outlet water port body type axis system, call the inlet / outlet water port three-dimensional body type template created in step 1 to generate the inlet / outlet water port model, as shown in FIG. 2. Figure 8
[0062] Step 4, create an inlet / outlet water port excavation model name, select an excavation type according to the geological and topographical conditions and the reservoir basin design, set the inlet / outlet water port excavation face size parameters, establish the excavation axis system, select the reservoir basin face / terrain face for excavation, call the side-type inlet / outlet water port excavation template of the corresponding excavation type established in step 1 to generate the inlet / outlet water port three-dimensional excavation face; specifically:
[0063] Step 4.1, create an inlet / outlet water port excavation model name, select one of the four types of inlet / outlet water port excavation types, i.e., twist surface excavation, river channel excavation, reservoir basin internal excavation, and reservoir basin external excavation, according to the geological and topographical conditions and the reservoir basin design;
[0064] Step 4.2, based on the inlet / outlet water port excavation type determined in step 4.1, establish the inlet / outlet water port excavation face axis system, set the inlet / outlet water port excavation face size parameters, including the bottom slope, the maximum width of the excavation bottom, the minimum width of the excavation bottom, and the reservoir bottom elevation;
[0065] Step 4.3, based on the inlet / outlet water port excavation type determined in step 4.1, call the side-type inlet / outlet water port excavation template of the corresponding excavation type established in step 1 to generate the inlet / outlet water port three-dimensional excavation face, as shown in FIG. 3. Figure 9
[0066] Step 5, read the engineering quantity parameters of the three-dimensional model generated in steps 3 and 4, set the excavation support calculation related parameters, and calculate the inlet / outlet water port engineering quantity; specifically:
[0067] Step 5.1, read the engineering quantity calculation related model measurement parameters of the inlet / outlet water port three-dimensional body type generated in step 3, set the body type excavation support calculation related parameters, including the concrete type and the concrete reinforcement rate, call the side-type inlet / outlet water port engineering quantity calculation template established in step 1 to calculate the inlet / outlet water port body type related engineering quantity;
[0068] Step 5.2, read the measurement parameters of the engineering quantity calculation related model of the inlet / outlet water port three-dimensional excavation surface generated in step 4, set the excavation support calculation related parameters of the excavation surface, including the anchor rod spacing, anchor rod row spacing, shotcrete thickness, excavation surface plate concrete reinforcement rate, call the side type inlet / outlet water port engineering quantity calculation template established in step 1 to calculate the related engineering quantity of the inlet / outlet water port excavation surface.
[0069] Step 6, according to the number of water conveying system hydraulic units of the pumped storage power station, combined with the geological and topographical conditions, create one or more inlet / outlet water port body types and inlet / outlet water port excavation models, if one inlet / outlet water port body type and inlet / outlet water port excavation model is created, the total engineering quantity is obtained by summarizing the above-mentioned inlet / outlet water port body type and excavation related engineering quantity, the total engineering quantity table is exported, and the three-dimensional design of the side type inlet / outlet water port of the pumped storage power station is completed; if multiple inlet / outlet water port body types and inlet / outlet water port excavation models are created, the total engineering quantity of the inlet / outlet water port under the current design scheme is summarized, and the total engineering quantity table is exported, and the three-dimensional design of the inlet / outlet water port of the pumped storage power station is completed, as shown in the accompanying drawings. Figure 10
[0070] Embodiment 3
[0071] The application provides a CATIA three-dimensional software design system, which comprises a pumped storage power station inlet / outlet water port design module.
[0072] Specifically, on the basis of the original function commands of the existing CATIA three-dimensional software, CAA secondary development is utilized to add an inlet / outlet water port design command module, and the three-dimensional rapid design method of the side type inlet / outlet water port of the pumped storage power station in embodiment 2 is encapsulated in the inlet / outlet water port design command module. This command does not need to utilize the measurement in CATIA, the formula calculation in Excel and other commands, but only needs to click the inlet / outlet water port design command, select the inlet / outlet water port body type shaft system, the inlet / outlet water port excavation shaft system, the reservoir surface and the topographical surface, and then input the related control parameters to quickly adjust and calculate the three-dimensional design of the inlet / outlet water port and the engineering quantity calculation result, and export the total engineering quantity table, thereby completing the three-dimensional design of the inlet / outlet water port of the pumped storage power station, that is, all the previous processes are encapsulated in the inlet / outlet water port design command, and the program is utilized to automatically read and create, thereby saving the manual time.
[0073] In the above manner, the three-dimensional design and design calculation of the inlet / outlet water port of the pumped storage power station are organically combined, the design parameters are strongly associated with the three-dimensional model and design calculation through secondary development, the inlet / outlet water port design and calculation are efficiently and synchronously performed, the three-dimensional model and the engineering quantity calculation result are quickly generated, and the design efficiency and quality of the inlet / outlet water port can be effectively improved.
Claims
1. A method for three-dimensional rapid design of side-type water inlet / outlet of pumped storage power station, characterized in that, The hydraulic calculation of the inlet / outlet is integrated into the three-dimensional design process of the side-type inlet / outlet, a parameterized three-dimensional model and a design calculation template are established to meet the design requirements, the three-dimensional design process of the inlet / outlet is simplified through parameter linkage, the establishment and update of the submerged depth calculation, the three-dimensional model and the engineering quantity calculation of the inlet / outlet are driven by standardized parameters, and the three-dimensional rapid design of the side-type inlet / outlet is realized; the method comprises the following steps: Step 1, creating various control parameters of the side-type inlet / outlet of the pumped storage power station, establishing a bottom plate elevation calculation template, a body type template, an excavation template and an engineering quantity calculation template of the side-type inlet / outlet; Step 2, creating a design scheme of the side-type inlet / outlet of the pumped storage power station, setting characteristic parameters including the dead water level, the arrangement type of the hydraulic unit, the rated flow of the unit, the number of the trash rack orifices per unit of hydraulic unit and the size parameters of the downstream flow passage of the inlet / outlet, performing submerged depth, water depth above the inlet top plate and Froude number inspection, and calling the bottom plate elevation calculation template of the side-type inlet / outlet established in step 1 to determine the bottom plate elevation of the inlet / outlet; Step 3, creating a body type model name of the inlet / outlet, establishing an inlet / outlet shaft system based on the bottom plate elevation of the inlet / outlet determined in step 2, reading the body type related parameters determined in step 2, setting side-type inlet / outlet body type detail parameters to perform diffusion angle calculation and inspection, and calling the side-type inlet / outlet body type template established in step 1 to generate a three-dimensional body type of the inlet / outlet; Step 4, creating an excavation model name of the inlet / outlet, selecting an excavation type according to the geological and terrain conditions and the reservoir basin design, setting the size parameters of the excavation surface of the inlet / outlet, establishing an excavation shaft system, selecting a reservoir basin surface / terrain surface for excavation, and calling the side-type inlet / outlet excavation template established in step 1 to generate a three-dimensional excavation surface of the inlet / outlet; Step 5, reading the engineering quantity calculation related model measurement parameters of the three-dimensional body type of the inlet / outlet generated in step 3 and the three-dimensional excavation surface of the inlet / outlet generated in step 4, setting the calculation related parameters of the excavation support, and calling the side-type inlet / outlet engineering quantity calculation template established in step 1 to calculate the engineering quantity related to the body type and the excavation surface of the inlet / outlet respectively; Step 6, creating one or more inlet / outlet body types and inlet / outlet excavation models according to the design quantity of the hydraulic unit of the water conveying system of the pumped storage power station and in combination with the geological and terrain conditions, and obtaining the total engineering quantity by summarizing the engineering quantity obtained in step 5 to generate a total engineering quantity table, and completing the three-dimensional design of the side-type inlet / outlet of the pumped storage power station.
2. The pumped storage power plant side type water inlet / outlet port three-dimensional rapid design method according to claim 1, characterized in that, The step 1 specifically comprises the following steps: Step 1.1, creating various control parameters of the side-type inlet / outlet, including the width of the trash rack orifice, the height of the trash rack orifice, the number of the trash rack orifices per unit of hydraulic unit and the diameter of the tunnel at the inlet / outlet, establishing a bottom plate elevation calculation template of the side-type inlet / outlet, and clearly defining the calculation formula of the related parameters and built-in submerged depth, water depth above the inlet top plate and Froude number inspection design specifications; Step 1.2, creating side-type intake / outlet body shape parameters, including trash rack opening width, trash rack opening height, splitter pad thickness, side pad thickness, and vortex prevention beam width, height, spacing and number, establishing a side-type intake / outlet body shape template with the shaft system as an input condition, and built-in engineering quantity calculation related model measurement parameters; Step 1.3, creating bottom slope slope, excavated bottom plate maximum width, excavated bottom plate minimum width and reservoir bottom elevation parameters, establishing a side-type intake / outlet excavation template with the shaft system, reservoir basin surface and terrain surface as input conditions, including four types of torsional surface excavation, river channel excavation, reservoir basin inner excavation and reservoir basin outer excavation, and built-in engineering quantity calculation related model measurement parameters; Step 1.4, creating engineering quantity calculation parameters, including shotcrete thickness, anchor rod spacing, anchor rod row spacing and stage coefficient, specifying engineering quantity calculation items, and establishing a side-type intake / outlet engineering quantity calculation template.
3. The pumped storage power plant side type water inlet / outlet port three-dimensional rapid design method according to claim 1, characterized in that, The step 2 specifically includes the following steps: Step 2.1, creating a pumped storage power station side-type intake / outlet design scheme, setting dead water level, hydraulic unit arrangement type, unit rated flow, number of trash rack openings per unit of water power, and downstream flow passage size parameters of the intake / outlet, determining trash rack passage velocity according to the requirements of the hydropower station intake design specification, and inversely calculating trash rack opening width and height; Step 2.2, based on the inverse calculation results, determining the design values of trash rack opening width and height, calculating the minimum submergence depth according to the design values, and inversely calculating the bottom elevation; Step 2.3, according to the calculated value of the bottom elevation, setting the design value of the bottom elevation with a remainder, inversely calculating the submergence depth, water depth above the inlet top plate and Froude number, and comparing with the range required by the hydropower station intake design specification, if not meeting the requirements, repeating steps 2.1-2.3 to adjust the related parameters until meeting the design specification requirements, and finally obtaining the design value of the bottom elevation as the bottom elevation of the intake / outlet of the current design scheme; if meeting the requirements, directly determining the design value of the bottom elevation as the bottom elevation of the intake / outlet of the current design scheme.
4. The pumped storage power plant side type water inlet / outlet port three-dimensional rapid design method according to claim 1, characterized in that, The step 3 specifically includes the following steps: Step 3.1, creating an intake / outlet body shape model name, reading the bottom elevation of the intake / outlet of the current design scheme determined in step 2, downstream flow passage size parameters of the intake / outlet, number of trash rack openings per unit of water power, trash rack opening width and height values; Step 3.2, setting side-type intake / outlet body shape detail parameters, including splitter pad thickness, side pad thickness, adjustment section length, diffusion section length, top plate thickness and maintenance platform height, calculating diffusion section elevation and plane diffusion angle after parameter setting, and checking whether the diffusion section elevation and plane diffusion angle meet the requirements of the hydropower station intake design specification, and adjusting the diffusion section length and adjustment section length until meeting the design specification requirements; Step 3.3, based on the bottom elevation determined in step 2, establishing a bottom elevation plane, and then establishing an intake / outlet body shape axis system, calling the side-type intake / outlet body shape template created in step 1, and generating an intake / outlet three-dimensional body shape.
5. The pumped storage power plant side type water inlet / outlet port three-dimensional rapid design method according to claim 1, characterized in that, The step 4 specifically includes the following steps: Step 4.1, creating the in / out water intake excavation model name, according to the geological conditions and terrain conditions and reservoir basin design, select one of the four types of in / out water intake excavation type, namely, the twist surface excavation, river channel excavation, reservoir basin excavation and reservoir basin outside excavation; Step 4.2, according to the in / out water intake excavation type determined in step 4.1, establish the in / out water intake excavation surface axis system, set the in / out water intake excavation surface size parameters, including the bottom plate slope, the maximum width of the excavation bottom plate, the minimum width of the excavation bottom plate and the reservoir bottom elevation; Step 4.3, according to the in / out water intake excavation type determined in step 4.1, call the side type in / out water intake excavation template established in step 1 to generate the in / out water intake three-dimensional excavation surface.
6. The pumped storage power plant side type water inlet / outlet port three-dimensional rapid design method according to claim 1, characterized in that, The step 5 specifically includes the following steps: Step 5.1, reading the engineering quantity calculation related model measurement parameters of the in / out water intake three-dimensional body type generated in step 3, setting the body type excavation support calculation related parameters, including the concrete type and the concrete reinforcement rate, calling the side type in / out water intake engineering quantity calculation template established in step 1 to calculate the in / out water intake body type related engineering quantity; Step 5.2, reading the engineering quantity calculation related model measurement parameters of the in / out water intake three-dimensional excavation surface generated in step 4, setting the excavation surface excavation support calculation related parameters, including the anchor rod spacing, the anchor rod row spacing, the shotcrete thickness and the excavation surface plate concrete reinforcement rate, calling the side type in / out water intake engineering quantity calculation template established in step 1 to calculate the in / out water intake excavation surface related engineering quantity.
Citation Information
Patent Citations
Side type water inlet and outlet diffusion section body type optimization method based on response surface model and application
CN116432287A
Design and evaluation method for excavation and dam building of reservoir basin of pumped storage power station
CN116680789A