Standardized construction method of mountainous booster station

Abstract

The application discloses a standardized construction method for a mountainous area booster station and belongs to the technical field of construction of the mountainous area booster station. The technical problem to be solved is how to realize deep integration of building functions and form a standardized construction system. The technical solution points comprise the following steps: S1, constructing an underground space utilization model to arrange underground structures and simultaneously performing three-dimensional design on overground buildings; S2, modularly arranging the overground buildings; S3, jointly designing the underground structures and the overground buildings; and S4, constructing a dynamic model, obtaining earthwork profit and loss amount according to the dynamic model, setting an earthwork profit and loss amount threshold value, and when the absolute value of the earthwork profit and loss amount is greater than or equal to the earthwork profit and loss amount threshold value, it is indicated that the earthwork is weakly balanced, the underground structures are adjusted, and the earthwork profit and loss amount is less than the earthwork profit and loss amount threshold value.

Description

Technical Field

[0001] This invention relates to the field of mountain booster station construction technology, and in particular to a standardized construction method for mountain booster stations. Background Technology

[0002] Substations are the core hubs of new energy power plants. New energy sources, such as photovoltaic or wind power, are mainly responsible for voltage transformation and power collection and transmission. Conventional new energy substations are mainly divided into 110kV and 220kV according to voltage level. The higher the level, the higher the design, equipment and infrastructure requirements and costs will be.

[0003] The substation mainly consists of a production system and an auxiliary system. The production system includes a production building and outdoor / underground equipment, including GIS equipment, main transformer equipment, SVG equipment, emergency oil tank, and fire water tank. The auxiliary system is a comprehensive building housing offices and living quarters. The engineering design of the substation needs to cover multiple aspects such as civil engineering, primary electrical systems, secondary electrical systems, HVAC, and hydraulic engineering.

[0004] Currently, the layout of mountain substations is constrained by fire lane spacing, fire truck access, and limited flat land, while spatial arrangement is limited by land area and construction period. Traditional designs often suffer from a lack of standardization, resulting in arbitrary layouts, excessive land use estimates, and waste of land resources and ecological damage. Although existing research has achieved localized land savings in specific projects, there is still insufficient research on the deep integration of building functions with fire safety regulations to form a standardized construction system.

[0005] Therefore, there is an urgent need to provide a standardized construction method for mountain booster stations, which, compared with existing technologies, can achieve deep integration of building functions and form a standardized construction system. Summary of the Invention

[0006] A standardized construction method for mountain substations, and related technologies, to address technical issues such as how to achieve deep integration of building functions and form a standardized construction system, or a combination thereof.

[0007] Terminology Explanation: Unless otherwise defined, all technical terms used herein have the same meanings as commonly understood by one of ordinary skill in the art to which this subject matter pertains. Unless otherwise stated, all patents, patent inventions, and disclosures cited throughout this document are incorporated herein by reference in their entirety. Where multiple definitions exist for terms herein, the definitions provided in this chapter shall prevail.

[0008] It should be understood that the above brief description and the following detailed description are exemplary and for illustrative purposes only, and do not limit the subject matter of the invention in any way. In this invention, the singular is used in conjunction with the plural unless otherwise specifically stated. It should also be noted that, unless otherwise stated, the use of “or” or “or” means “and / or”. Furthermore, the use of the term “comprising” and other forms such as “including,” “containing,” and “contains” are not limiting.

[0009] The definitions of standard terms can be found in the reference "Design Manual for High and Low Voltage Transmission Lines in Power Engineering".

[0010] Unless otherwise stated, conventional methods within the scope of the art, such as modular and standardized design, shall be used.

[0011] Unless otherwise defined, the use of various commercially available products as described herein employs standard techniques. These techniques and methods can generally be implemented according to conventional methods well-known in the art, based on the descriptions in the numerous general and more specific documents cited and discussed in this specification.

[0012] The terms “optional / arbitrary” or “optionally / arbitrarily” mean that the event or situation described below may or may not occur, including both the occurrence and non-occurrence of the event or situation.

[0013] The term "boost station" as used in this article refers to a system used to achieve voltage transformation.

[0014] The term "structure" as used in this article refers to man-made buildings that do not serve as habitable spaces for humans.

[0015] This invention provides a standardized construction method for a mountain booster station, comprising the following steps: S1. Construct an underground space utilization model to arrange underground structures, and at the same time carry out three-dimensional design of above-ground buildings; S2. For above-ground buildings, modular layout shall be adopted; S3. Design for the combined construction of underground structures and above-ground buildings; S4. Construct a dynamic model, obtain the earthwork surplus / deficit amount based on the dynamic model, and set an earthwork surplus / deficit threshold. When the absolute value of the earthwork surplus / deficit amount is greater than or equal to the earthwork surplus / deficit threshold, it indicates a weak earthwork balance. Adjust the underground structures to make the earthwork surplus / deficit amount less than the earthwork surplus / deficit threshold.

[0016] The underground space utilization model constructed in step S1 is represented as follows: ; In the above formula, This indicates the volume of exploitable underground space corresponding to the fill area. Indicates the utilization coefficient of soil and rock mass. Indicates the thickness of the fill area. This indicates the area of ​​the fill.

[0017] The underground structures include emergency oil tanks, fire water tanks, sewage treatment facilities, fire pump room storage rooms, and hazardous chemical warehouses. Fire pump room storage rooms and hazardous chemical warehouses shall be set up only if there is still space remaining after the emergency oil tanks, fire water tanks, and sewage treatment facilities are installed in the underground structures. Otherwise, the fire pump room storage rooms and hazardous chemical warehouses shall be set up above ground.

[0018] in, The required space volumes for accident oil tanks, fire water tanks, and wastewater treatment facilities must meet the following conditions: ; In the above formula, This indicates the required space volume for the oil spill recovery area. This indicates the required space volume for the fire water tank. This indicates the required space volume for a wastewater treatment device.

[0019] S3 includes the following steps: S31. Combine underground structures; S32. A reinforced concrete buttress-type retaining wall is adopted, which is constructed together with the side wall of the accident oil tank and the fire water tank.

[0020] S31 specifically includes: (1) constructing the pool walls of the accident oil pool and the fire water pool together; (2) constructing the pool tops of the accident oil pool and the fire water pool in the underground structure together with the foundation of the above-ground building; (3) constructing the pool tops of the accident oil pool and the fire water pool in the underground structure together with the road base and the wall foundation.

[0021] In the underground space utilization model, k is taken as 0.7 when the rock is shale and as 0.85 when the rock is sandstone.

[0022] The above-ground buildings include a production building, a comprehensive building, and a warehouse. The production building is equipped with switchgear, grounding transformer equipment, relay protection panel equipment, SVG equipment, and GIS outgoing line equipment.

[0023] Specifically, S2 includes the following steps: S21. For all above-ground buildings, set up a correlation matrix. Based on the correlation matrix, obtain the correlation between any two devices. Arrange two devices with a correlation greater than 0.8 adjacent to each other, and arrange devices with a correlation less than 0.3 far apart. For devices with a correlation greater than or equal to 0.3 and less than or equal to 0.8, arrange them from far to near according to the correlation from small to large. S22. Lead the GIS outgoing equipment on the third floor of the production building to the tower base outside the station.

[0024] The dynamic model in step S4 is represented as follows: ; In the above formula, Indicates the profit or loss of earthwork; This represents the loosening coefficient of rock and soil; 1.35 is used for rock excavation and 1.25 for earth excavation. This indicates the volume of earthwork excavation. Indicates the amount of earth and rock fill; This represents the underground space replacement coefficient, taken as 0.9; Indicates the volume of underground facilities.

[0025] Compared with the prior art, the beneficial effects of the present invention are as follows: This invention first utilizes a collaborative development technology for above-ground and underground spaces to achieve the coordinated development and utilization of both spaces, ensuring the most rational layout. Based on this initial rational layout, a modular planar layout is implemented, followed by functional coupling quantification analysis. By analyzing correlations, the location relationships of specific equipment are determined, improving the rationality of equipment placement. On this rationalized layout, structures are then combined to reduce their footprint and lower costs. Finally, earthwork surplus / deficit calculations reflect the rationality of the layout of each building in the substation. This invention integrates the functions of each building in the substation, reducing the number of buildings and their footprint, improving space utilization, achieving deep integration of building functions, and forming a standardized construction system. Attached Figure Description

[0026] Figure 1 This is a flowchart of the present invention.

[0027] Figure 2 This invention relates to the GIS outgoing line device. Detailed Implementation

[0028] The technical solution of the present invention will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are not all embodiments of the present invention. All other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present invention.

[0029] like Figure 1 As shown, this invention provides a standardized construction method for mountain booster stations, comprising the following steps: S1. Conduct coordinated development of above-ground and underground spaces, including constructing underground space utilization models and designing three-dimensional above-ground buildings. Specifically, this includes the following steps: S11. Construct an underground space utilization model to arrange underground structures within the fill space. These underground structures include emergency oil tanks, fire water tanks, sewage treatment facilities, fire pump rooms / storage rooms, and hazardous chemical warehouses. For fire pump rooms / storage rooms and hazardous chemical warehouses, they will only be constructed if there is remaining space after the emergency oil tanks, fire water tanks, and sewage treatment facilities are installed. Otherwise, they will be located above ground. The underground space utilization model will link underground structures with above-ground structures, determining their vertical and adjacency relationships, as well as identifying underground structures that require separate placement.

[0030] The underground space utilization model is represented by the following formula: ; ; In the above formula, This refers to the exploitable underground space volume corresponding to the fill area; This represents the utilization coefficient of the soil and rock mass; 0.7 is used for shale and 0.85 for sandstone. Indicates the thickness of the fill area. Indicates the area of ​​the fill. This indicates the required space volume for the oil spill recovery area. This indicates the required space volume for the fire water tank. This indicates the required space volume for a wastewater treatment device.

[0031] The accident oil pool is used to collect oil leaks from oil-filled equipment such as transformers and reactors during malfunctions, including the oil components in the main body oil and the foam mixture used for fire extinguishing; the fire water pool is used to store fire-fighting water needed in the event of a fire at the substation; and the sewage treatment plant is used to store sewage discharged from the substation.

[0032] S12. Conduct three-dimensional design of above-ground buildings, including design of production buildings, comprehensive buildings, and warehouses.

[0033] The production building is designed with three floors, primarily housing switchgear, grounding transformers, relay protection panels, SVG equipment, and GIS outgoing line equipment. The distribution of these components is based on the load requirements and required floor heights of the different devices. The specific design results are shown in Table 1 below. Table 1

[0034] The comprehensive building is designed with three floors to house production facilities and equipment, employing innovative technologies such as vertical flow optimization and space reuse. Vertical flow optimization includes a double evacuation staircase and connecting corridor system. Innovative space reuse technology allows the canteen to be converted into meeting rooms during non-meal hours, improving space utilization. The net distance between the comprehensive building and the surrounding wall is within 1.5 meters.

[0035] In the warehouse design, the warehouse is located in a corner of the substation and is arranged closely with the surrounding wall; or, the warehouse is directly set up inside the production building.

[0036] S2. Implement modular floor plan layout technology. This includes the following steps: S21. Functional coupling quantification analysis: For equipment in above-ground buildings, set up a correlation matrix. Based on the correlation matrix, obtain the correlation between any two devices. Arrange the devices according to the correlation. Arrange two devices with a correlation greater than 0.8 adjacently, and arrange devices with a correlation less than 0.3 far apart. For devices with a correlation greater than or equal to 0.3 and less than or equal to 0.8, arrange them from far to near according to the correlation from small to large.

[0037] The correlation matrix is ​​shown in Table 2 below: Table 2

[0038] As shown in Table 2 above, the first floor of the building integrates the lobby, kitchen, restaurant, office, and office / living / warehouse in sequence. The second floor integrates the office, meeting room, and duty dormitory in sequence. The third floor is set up as staff dormitory. The dormitory has an inner balcony facing the road and an outer balcony facing away from the road. It also has a private bathroom to improve comfort.

[0039] S22, such as Figure 2 As shown, the GIS outgoing equipment on the third floor of the production building is directly led to the tower base outside the station, which saves floor space and reduces the risk of insulator flashover.

[0040] S3. Combined Structure Construction Technology. This specifically includes the following steps: S31. Using the underground space utilization model, the fill area is constructed together; specifically including: (1) the pool walls of the accident oil tank and the fire water tank are constructed together; (2) the top of the accident oil tank and the fire water tank in the underground structure is constructed together with the foundation of the above-ground building; (3) the top of the accident oil tank and the fire water tank in the underground structure is constructed together with the road base and the wall foundation.

[0041] S32. The retaining wall features a multi-functional design, employing a reinforced concrete buttress-type retaining wall that integrates the retaining wall with the side walls of the emergency oil tank, fire water tank, and fire pump room. The top of the retaining wall also serves as the foundation for the perimeter wall, with the upper perimeter wall integrated with the pump room wall. This technology integrates the functions of the retaining wall, perimeter wall, multiple underground spaces, pump room, and warehouse, reducing the number of independent structures and the land area occupied.

[0042] Compared to gravity retaining walls, reinforced concrete buttress retaining walls are suitable for retaining walls exceeding 8 meters in height, with the wall height directly proportional to the cost-effectiveness ratio of the structure. As the sidewall of a water tank, the thickness of the retaining wall is increased from the conventional 400mm to 600mm. Furthermore, the use of a layered casting process (base slab + wall) eliminates the need for tie rods and formwork, achieving waterproofing while utilizing space and soil density differences to increase resistance to soil pressure and reduce space occupation, further reducing investment. Due to the buttress requirements of the retaining wall, the walls of the fire water tank and superstructure need appropriate adjustments; if necessary, a water tank partition wall can be added as a buttress.

[0043] S4. Effective utilization of fill space and weak earthwork balance technology. To effectively utilize fill space and achieve weak earthwork balance, a dynamic model is constructed based on dynamic analysis of excavation and filling volumes to reflect the differences between excavation volume, underground facility volume, and earthwork surplus / deficit. This model is represented as follows: ; In the above formula, Indicates the profit or loss in earthwork. This represents the loosening coefficient of rock and soil; 1.35 is used for rock excavation and 1.25 for earth excavation. This indicates the volume of earthwork excavation. Indicates the amount of earth and rock fill. This represents the underground space replacement coefficient, taken as 0.9; Indicates the volume of underground facilities.

[0044] A threshold for earthwork surplus / deficit is set. When the absolute value of the earthwork surplus / deficit is greater than or equal to the threshold, it indicates a weak earthwork balance. The underground structures are then rearranged to ensure the earthwork surplus / deficit is less than the threshold. The preferred threshold is 500m³. 3 .

[0045] This invention first utilizes a collaborative development technology for above-ground and underground spaces to achieve the coordinated development and utilization of both spaces, ensuring the most rational layout. Based on this initial rational layout, a modular planar layout is implemented, followed by functional coupling quantification analysis. By analyzing correlations, the location relationships of specific equipment are determined, improving the rationality of equipment placement. On this rationalized layout, structures are then combined to reduce their footprint and lower costs. Finally, earthwork surplus / deficit calculations reflect the rationality of the layout of each building in the substation. This invention integrates the functions of each building in the substation, reducing the number of buildings and their footprint, improving space utilization, achieving deep integration of building functions, and forming a standardized construction system.

[0046] Finally, it should be noted that the above content is only used to illustrate the technical solution of the present invention, and is not intended to limit the scope of protection of the present invention. Simple modifications or equivalent substitutions made by those skilled in the art to the technical solution of the present invention do not depart from the essence and scope of the technical solution of the present invention.

Claims

1. A standardized construction method for a mountain booster station, characterized in that, Includes the following steps: S1. Construct an underground space utilization model to arrange underground structures, and at the same time carry out three-dimensional design of above-ground buildings; S2. For above-ground buildings, modular layout shall be adopted; S3. Design for the combined construction of underground structures and above-ground buildings; S4. Construct a dynamic model, obtain the earthwork surplus / deficit amount based on the dynamic model, and set an earthwork surplus / deficit threshold. When the absolute value of the earthwork surplus / deficit amount is greater than or equal to the earthwork surplus / deficit threshold, it indicates a weak earthwork balance. Adjust the underground structures to make the earthwork surplus / deficit amount less than the earthwork surplus / deficit threshold.

2. The standardized construction method for a mountain booster station according to claim 1, characterized in that, The underground space utilization model constructed in step S1 is represented as follows: ； In the above formula, This indicates the volume of exploitable underground space corresponding to the fill area. Indicates the utilization coefficient of soil and rock mass. Indicates the thickness of the fill area. This indicates the area of ​​the fill.

3. The standardized construction method for a mountain booster station according to claim 2, characterized in that, Underground structures include emergency oil tanks, fire water tanks, sewage treatment facilities, fire pump room storage rooms, and hazardous chemical warehouses. Fire pump room storage rooms and hazardous chemical warehouses shall be constructed only if there is remaining space in the underground structures after the emergency oil tanks, fire water tanks, and sewage treatment facilities have been constructed. Otherwise, fire pump room storage rooms and hazardous chemical warehouses shall be constructed above ground.

4. The standardized construction method for a mountain booster station according to claim 3, characterized in that, The required space volumes for accident oil tanks, fire water tanks, and wastewater treatment facilities must meet the following conditions: ； In the above formula, This indicates the required space volume for the oil spill recovery area. This indicates the required space volume for the fire water tank. This indicates the required space volume for a wastewater treatment device.

5. The standardized construction method for a mountain booster station according to claim 3, characterized in that, S3 includes the following steps: S31. Combine underground structures; S32. A reinforced concrete buttress-type retaining wall is adopted, which is constructed together with the side wall of the accident oil tank and the fire water tank.

6. A standardized construction method for a mountain booster station according to claim 5, characterized in that, S31 specifically includes: (1) constructing the pool walls of the accident oil tank and the fire water tank together; (2) constructing the pool tops of the accident oil tank and the fire water tank in the underground structure together with the foundation of the above-ground building; (3) constructing the pool tops of the accident oil tank and the fire water tank in the underground structure together with the road base and the wall foundation.

7. A standardized construction method for a mountain booster station according to claim 2, characterized in that, In the underground space utilization model, k is taken as 0.7 when the rock is shale and as 0.85 when the rock is sandstone.

8. A standardized construction method for a mountain booster station according to claim 1, characterized in that, The above-ground buildings include production buildings, comprehensive buildings, and warehouses. The production buildings are equipped with switchgear, grounding transformer equipment, relay protection panel equipment, SVG equipment, and GIS outgoing line equipment.

9. A standardized construction method for a mountain booster station according to claim 8, characterized in that, S2 specifically includes the following steps: S21. For all above-ground buildings, set up a correlation matrix. Based on the correlation matrix, obtain the correlation between any two devices. Arrange two devices with a correlation greater than 0.8 adjacent to each other, and arrange devices with a correlation less than 0.3 far apart. For devices with a correlation greater than or equal to 0.3 and less than or equal to 0.8, arrange them from far to near according to the correlation from small to large. S22. Lead the GIS outgoing equipment on the third floor of the production building to the tower base outside the station.

10. A standardized construction method for a mountain booster station according to claim 1, characterized in that, The dynamic model in step S4 is represented as follows: ； In the above formula, Indicates the profit or loss of earthwork; This represents the loosening coefficient of rock and soil; 1.35 is used for rock excavation and 1.25 for earth excavation. This indicates the volume of earthwork excavation. Indicates the amount of earth and rock fill; This represents the underground space replacement coefficient, taken as 0.9; Indicates the volume of underground facilities.

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