CN116220440A - Energy storage power station and energy storage power station construction method - Google Patents
Energy storage power station and energy storage power station construction method Download PDFInfo
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- CN116220440A CN116220440A CN202310249803.XA CN202310249803A CN116220440A CN 116220440 A CN116220440 A CN 116220440A CN 202310249803 A CN202310249803 A CN 202310249803A CN 116220440 A CN116220440 A CN 116220440A
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- 238000010276 construction Methods 0.000 title claims abstract description 60
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- 238000001816 cooling Methods 0.000 claims description 58
- 239000000779 smoke Substances 0.000 claims description 58
- 238000009423 ventilation Methods 0.000 claims description 32
- 239000002689 soil Substances 0.000 claims description 26
- 239000000498 cooling water Substances 0.000 claims description 22
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Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/627—Stationary installations, e.g. power plant buffering or backup power supplies
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/04—Making large underground spaces, e.g. for underground plants, e.g. stations of underground railways; Construction or layout thereof
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
- E02D29/05—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them at least part of the cross-section being constructed in an open excavation or from the ground surface, e.g. assembled in a trench
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H5/00—Buildings or groups of buildings for industrial or agricultural purposes
- E04H5/02—Buildings or groups of buildings for industrial purposes, e.g. for power-plants or factories
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/66—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells
Abstract
The invention discloses an energy storage power station and an energy storage power station construction method. The energy storage power station comprises an underground part, wherein the underground part comprises a prefabricated structural part and a foundation, and the prefabricated structural part is provided with an arch structure for bearing; the underground part comprises an underground passage and at least two battery chambers, the prefabricated structural members are arranged on the foundation to form the underground passage and the battery chambers, the battery chambers are respectively communicated with the underground passage, and the battery systems of the energy storage power station are distributed in the battery chambers. The energy storage power station can utilize underground stable temperature environment, ensure that a battery system in the energy storage power station is at a proper average temperature, realize temperature regulation and control of the battery system in an energy-saving mode, save time and labor in a construction mode of forming an underground part by hoisting a prefabricated structural part, have short construction period and low construction cost, and meanwhile, mutually independent battery chambers can also avoid spreading of fire, so that fire in a single battery chamber is not easy to spread to other battery chambers.
Description
Technical Field
The invention relates to the technical field of energy storage power station construction, in particular to an energy storage power station and an energy storage power station construction method.
Background
An energy storage station is a facility that converts electricity into other forms of energy for conversion back to electricity when needed. The energy storage station is typically used to balance supply and demand differences over different periods of time, such as providing additional power during peaks and storing excess power during valleys. Common types of energy storage stations include pumped storage, compressed air storage, fuel cells, and electrochemical energy storage technologies such as lithium ion batteries.
The Chinese patent application number 202022004404.1 discloses an energy storage power station system which can reduce adverse effects of external environment on the internal temperature of a prefabricated cabin through underground or semi-underground design and appropriate isolation measures. However, the energy storage power station has the following problems:
the underground or semi-underground design and construction difficulty is high, the construction period is long, the cost is increased, and the large-scale use is not facilitated.
Therefore, there is a need for an energy storage power station that solves the above-mentioned technical problems.
Disclosure of Invention
The invention aims to provide an energy storage power station which can utilize underground stable temperature environment, has small construction difficulty, short construction period and lower cost.
In order to achieve the technical effects, the technical scheme of the invention is as follows:
an energy storage power station comprising an underground portion, said underground portion comprising prefabricated structural members and a foundation, at least some of said prefabricated structural members having an arch structure for load bearing; the underground part comprises an underground passage and at least two battery chambers, the prefabricated structural members are arranged on the foundation to form the underground passage and the battery chambers, the battery chambers are respectively communicated with the underground passage, and the battery systems of the energy storage power station are distributed in the battery chambers.
Optionally, the prefabricated structural parts include a first prefabricated structural part, a second prefabricated structural part, a third prefabricated structural part, a fourth prefabricated structural part and a fifth prefabricated structural part, wherein only the first prefabricated structural part, the second prefabricated structural part, the fourth prefabricated structural part and the fifth prefabricated structural part are provided with the arch structure;
the foundation, the first prefabricated structural member and the second prefabricated structural member form the underground passage; the foundation, the fourth prefabricated structural member and the fifth prefabricated structural member form the battery chamber; the third prefabricated structural member is installed to one end of the underground passage to form an underground shaft for communicating the underground portion with the above-ground portion of the energy storage battery.
Optionally, the energy storage power station is provided with a fire-fighting drainage system, the fire-fighting drainage system comprises a fire-fighting water tank, a fire-fighting pump, a fire-fighting water pipe, a fire-fighting spray header, a drainage main pipe and a drainage branch pipe, the fire-fighting spray header is arranged in each battery chamber, the fire-fighting water pipe is communicated between the fire-fighting water tank and the fire-fighting spray header, and the fire-fighting pump drives water in the fire-fighting water tank to be sprayed out from the fire-fighting water pipe to the fire-fighting spray header when a fire disaster occurs; the battery chamber is internally provided with a drainage groove, and the drainage groove is sequentially communicated with the drainage branch pipe, the drainage main pipe and the fire-fighting water tank, so that water in the fire-fighting water tank is recycled.
Optionally, the energy storage power station is provided with a water cooling system, the water cooling system comprises a water cooling water tank, at least part of the water cooling water tank is soaked in the fire water tank, the fire water tank is buried in soil, water in the water cooling water tank circulates in the water cooling system and absorbs heat when flowing through the battery system, and heat is released to the soil through the fire water tank when flowing through the water cooling water tank.
Optionally, the energy storage power station further includes a ventilation and smoke exhaust system, the ventilation and smoke exhaust system is at least used for extracting harmful gas in the underground part, the ventilation and smoke exhaust system includes a high-altitude smoke exhaust pipe, a smoke outlet of the high-altitude smoke exhaust pipe is higher than the ground by at least 10m, and the harmful gas is exhausted out of the energy storage power station through the high-altitude smoke exhaust pipe, so as to prevent personnel injury caused by the harmful gas.
Optionally, the energy storage power station further comprises a ventilation and smoke exhaust system, the ventilation and smoke exhaust system is at least used for feeding fresh air into the underground part, and the ventilation and smoke exhaust system further comprises a temperature regulating device, wherein the temperature regulating device is used for regulating the temperature of the fresh air.
Optionally, the foundation is provided with a mounting groove, and the prefabricated structural member can be inserted into the mounting groove in a limited manner.
The energy storage power station construction method has the beneficial effects that: the energy storage power station can utilize underground stable temperature environment, ensure that a battery system in the energy storage power station is at a proper average temperature, realize temperature regulation and control of the battery system in an energy-saving mode, save time and labor in a construction mode of forming an underground part by hoisting a prefabricated structural part, have short construction period and low construction cost, and meanwhile, mutually independent battery chambers can also avoid spreading of fire, so that fire in a single battery chamber is not easy to spread to other battery chambers.
The invention further aims to provide a construction method of the energy storage power station, which can utilize the underground stable temperature environment, and has the advantages of short construction period and low construction cost.
In order to achieve the technical effects, the technical scheme of the invention is as follows:
the energy storage power station construction method comprises the following steps:
digging a construction pit to below the frozen soil layer;
manufacturing the foundation at a preset depth;
installing a prefabricated structural member to the foundation in a hoisting manner to form the underground part, wherein the underground part is used for accommodating the battery system of the energy storage power station;
performing waterproof treatment, filling and fixing on the joint of the underground part;
and backfilling the construction pit.
Alternatively, the above construction pit is excavated to 5m to 9m under the ground.
Optionally, the method further comprises:
after backfilling the construction pit, building an overground part and building the ventilation and smoke exhaust system of the energy storage power station;
when the ventilation and smoke exhaust system is built, the fire-fighting drainage system and the water cooling system of the energy storage power station are built synchronously; or after the ventilation and smoke exhaust system is built, the fire-fighting drainage system and the water cooling system of the energy storage power station are built;
debugging the ventilation and smoke exhaust system and the fire-fighting drainage system;
installing the battery system of the energy storage power station within the underground portion;
and debugging the battery system and the water cooling system.
The energy storage power station construction method has the beneficial effects that: by the construction method of the energy storage power station, an underground part can be formed, the underground stable temperature environment can be utilized, the battery system in the energy storage power station is ensured to be at a proper average temperature, the temperature regulation and control of the battery system are realized in an energy-saving mode, the construction mode of forming the underground part by hoisting the prefabricated structural part is time-saving and labor-saving, the construction period is short, and the construction cost is low.
Drawings
FIG. 1 is a schematic perspective view of an energy storage power station of the present invention;
FIG. 2 is a schematic top view of an energy storage power station of the present invention;
FIG. 3 is a schematic side view of an energy storage power station of the present invention;
FIG. 4 is a schematic diagram of the internal equipment of the underground portion of the energy storage power station of the present invention;
FIG. 5 is a top view of a foundation of an energy storage power station;
FIG. 6 is a side view of a foundation of an energy storage power station;
FIG. 7 is a perspective view of a foundation of an energy storage power station;
FIG. 8 is a schematic view of the construction of a fire water basin and water cooled tank;
FIG. 9 is a schematic view of a first portion of a fire-fighting drainage system of an energy storage power station;
FIG. 10 is a schematic diagram of a second portion of the fire-fighting drainage system of the energy storage power station;
FIG. 11 is a schematic diagram of a first portion of a water cooling system of an energy storage power station;
FIG. 12 is a schematic diagram of a second portion of a water cooling system of an energy storage power station;
FIG. 13 is a schematic view of a first portion of the ventilation and smoke evacuation system of the energy storage power station;
FIG. 14 is a schematic view of a second portion of the ventilation and smoke evacuation system of the energy storage power station;
FIG. 15 is a perspective view of a first preform structure;
FIG. 16 is a perspective view of a second preform structure;
FIG. 17 is a perspective view of a third preform structure;
FIG. 18 is a perspective view of a fourth preform structure;
FIG. 19 is a perspective view of a fifth preform structure;
fig. 20 is a perspective view of a foundation with a water-cooled tank installed;
FIG. 21 is a schematic perspective view of the foundation upon installation of the first prefabricated structural member;
FIG. 22 is a schematic perspective view of the foundation upon installation of the second prefabricated structural member;
FIG. 23 is a schematic perspective view of the foundation upon installation of a third prefabricated structural member;
FIG. 24 is a schematic perspective view of the foundation upon installation of a fourth prefabricated structural member;
FIG. 25 is a schematic perspective view of a foundation upon installation of a fifth prefabricated structural member;
FIG. 26 is a schematic view of the composition of the underground portion after the installation of the prefabricated structural members.
In the figure:
1001. an air supply fan chamber; 1002. an exhaust fan chamber for exhausting and discharging smoke; 1003. a ground central control room; 1004. a ground rest room; 1005. between ground ladders;
2001. an underground passageway; 2002. a battery chamber; 2003. fireproof doors; 2004. a fire-fighting equipment room; 2005. underground ladder wells; 20051. a pedestrian ladder; 20052. a freight ladder;
1. soil; 2. a foundation; 21. a battery system mounting table; 22. a fire-fighting equipment foundation mounting table; 23. a drain pipe channel; 24. a drainage channel; 25. a mounting groove; 31. a first prefabricated structural member; 32. a second prefabricated structural member; 33. a third prefabricated structural member; 34. a fourth prefabricated structural member; 35. a fifth prefabricated structural member;
41. a battery system main body;
51. a water-cooled water tank; 52. water-cooling backwater branch pipes; 53. water-cooling water inlet branch pipes; 54. a water-cooling backwater main pipe; 55. a water-cooling water inlet main pipe; 56. a water pump; 56. an electromagnetic control valve;
61. a fire-fighting water tank; 611. a fire pool cover; 62. a fire pump; 63. a fire water supply main; 64. fire control water supply branch pipe; 65. a fire sprinkler head; 66. a fire alarm probe; 67. a fire-fighting water intake pipe; 68. a drainage main pipe; 69. a water discharge branch pipe;
71. an air supply device; 72. a main air supply pipe; 721. a first air supply port; 73. an air supply branch pipe; 731. a second air supply port; 74. an exhaust device; 75. a main pipe for exhausting and discharging smoke; 751. a first air suction port; 76. exhaust and smoke exhaust branch pipes; 761. a second air suction port; 77. an exhaust air vent pipe; 78. a smoke exhausting device; 79. high-altitude smoke exhaust pipe.
Detailed Description
In order to make the technical problems solved, the technical scheme adopted and the technical effects achieved by the invention more clear, the technical scheme of the invention is further described below by a specific embodiment in combination with the attached drawings.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly, for distinguishing between the descriptive features, and not sequentially, and not lightly. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The energy storage power station and the construction method of the energy storage power station provided by the invention are described below with reference to fig. 1 to 26.
Referring to fig. 1 to 3, the energy storage power station includes an underground part and an overground part, which are communicated with each other, and a step 20051 and a freight step 20052 are provided to facilitate the ingress and egress of personnel and the transportation of goods, in a position division.
The energy storage power station is provided with a battery system, a water cooling system, a ventilation and smoke exhaust system and a fire-fighting drainage system according to function distinction. Wherein the battery system is used for storing electric energy; the water cooling system is used for reducing the temperature of the battery system when the battery system inputs and outputs current; the ventilation and smoke exhaust system is used for replacing air in the underground part before personnel enter the underground part and exhausting high-temperature harmful gas in case of fire; the fire-fighting drainage system is used for spraying water to control fire when fire breaks out.
Specifically, referring to fig. 4, in the present embodiment, the battery system is disposed in the underground portion. Because the temperature of a certain depth of underground is stable, the temperature in the underground part can be stabilized in a certain range, and the battery system can be in a proper and stable environment temperature by reasonably setting the depth of the underground part.
Preferably, since the soil 1 is classified into a temperature varying layer (several tens meters from the surface to the ground), a constant temperature layer (several tens meters to more than one hundred meters from the ground) and a temperature increasing layer (less than one hundred meters from the ground) according to the temperature change. In the temperature-changing layer, the earth surface to the underground 0.4m can generate obvious daily temperature change, the underground 0.4m to the underground 3m can generate obvious annual temperature change, the daily temperature change is not obvious enough, and the actual temperature below the underground 3m is approximately equal to the local annual average temperature, so that the underground part is arranged below the 3m in the soil 1, preferably at a position of 5m-9m, the temperature of the underground part tends to the local annual average temperature, the underground part is more stable, larger earthwork is avoided, the construction period can be saved, and meanwhile, the underground part is prevented from being positioned in a frozen soil layer with too low temperature (the depth range of a frozen soil layer is generally between 0m and 2 m). Meanwhile, the upper surface of the underground part has larger empty land area, and agriculture, crops and the like can be planted, so that a certain economic value is generated. And the photovoltaic power generation device can be arranged in the space, so that the ground space is fully utilized. The electric energy generated by the photovoltaic power generation device can additionally provide electric energy for the energy storage power station, the electric energy is supplied to the energy storage power station for operation, and the used electric energy can be stored in the underground battery system.
Further, referring to fig. 5, 8, 11, and 12, in some embodiments, the water cooling system includes a water cooling plate (not shown) and a water cooling tank 51, which are disposed in communication, the water cooling plate is in heat conduction connection with the battery system, the water cooling tank 51 is buried in the soil 1, the cooling water in the water cooling system can absorb heat generated by the battery system when flowing through the water cooling plate, and release heat to the soil 1 when flowing through the water cooling tank 51, and the temperature of the cooling water is reduced, so that the cooling water can continuously absorb heat generated by the battery system when flowing again to the water cooling plate.
Alternatively, as shown in fig. 6 to 10, in the present embodiment, the fire-fighting drainage system includes a fire-fighting water tank 61, the fire-fighting water tank 61 is buried in the soil 1, at least part of the water-cooling water tank 51 is immersed in the fire-fighting water tank 61, when the cooling water flows through the water-cooling water tank 51 after absorbing heat, the fire-fighting water in the fire-fighting water tank 61 absorbs the heat of the cooling water, and releases the heat further into the soil 1 around the fire-fighting water tank 61, and the temperature of the cooling water can be reduced, so that the cooling water can continue to absorb the heat generated by the battery system when flowing to the water-cooling plate again. Meanwhile, as the specific heat capacity of water is larger than that of the soil 1, the water cooling system can operate for a longer time with higher refrigerating power, the high-power long-time current input or output of the battery system is facilitated, the contact area of the fire water tank 61 and the soil 1 is far larger than that of the water cooling water tank 51 and the soil 1, the heat diffusion efficiency is higher, and the heat generated during the operation of the battery system is transferred. In the present embodiment, the fire-fighting water tank 61 is further provided with a fire-fighting water tank cover 611, which can reduce evaporation and thus reduce the number of water replenishment.
It should be understood that the present invention is not limited to the water-cooled water tank 51 directly releasing heat to the soil 1 or the water-cooled water tank 51 indirectly releasing heat to the soil 1 through the fire-fighting water tank 61, and both are within the scope of the present invention. Preferably, the water-cooling tank 51 is made of a metal material, such as stainless steel, so that heat transfer power can be further increased.
Through setting up the battery system of energy storage power station in the underground part, set up the underground part in the comparatively stable underground of temperature, can maintain comparatively stable temperature in the inside of underground part, satisfy battery system's work needs, avoided setting up more energy consumption that air conditioning system maintains the temperature required after the air conditioning system. Meanwhile, the water cooling system takes the soil 1 as a cold source to absorb heat generated during the operation of the battery system, so that the battery system can be further ensured to be at a stable and proper working temperature, and the control of the working temperature of the battery system can be realized with lower energy consumption.
Specifically, as shown in fig. 1 to 3, in the present embodiment, the underground portion includes an underground passage 2001 and at least two battery chambers 2002, the battery systems are arranged in the battery chambers 2002 in a dispersed manner, and the battery chambers 2002 are respectively communicated with the underground passage 2001, so that not only can the flow and transportation of personnel be facilitated, but also the fire in a single battery chamber 2002 is not easily diffused into other battery chambers 2002 when the fire occurs. Preferably, as shown in fig. 4, a fireproof door 2003 is arranged at the communication position between the battery chamber 2002 and the underground passage 2001, so that the speed of fire spreading can be further slowed down, and time is taken for controlling and extinguishing the fire.
With continued reference to fig. 4, the battery system includes battery system main bodies 41, each battery chamber 2002 is provided with the battery system main body 41, each battery system main body 41 is provided with the water cooling plate in a fitting manner, the water cooling plates are all provided with water cooling branch pipes in a communicating manner, and the water cooling branch pipes are provided with a water cooling main pipe in a communicating manner, so that the battery system main bodies 41 distributed in each battery chamber 2002 can control the temperature through the water cooling system.
More specifically, as shown in fig. 11, 12, in the present embodiment, the water-cooling branch pipe includes a water-cooling return water branch pipe 52 and a water-cooling inlet water branch pipe 53, and the water-cooling main pipe includes a water-cooling return water main pipe 54 and a water-cooling inlet water main pipe 55. The water cooling plate is provided with water inlet port and return water interface, the one end of return water branch pipe 52 is linked together to the return water interface, the other end of return water branch pipe 52 is linked together to the water-cooling return water and is responsible for 54, the water outlet end of water-cooling return water is responsible for 54 and is linked together to water-cooling tank 51, the one end of branch pipe 53 is intake to the water-cooling, the other end of branch pipe 53 is responsible for 55 is intake to the water-cooling, the water inlet end of main pipe 55 stretches into water-cooling tank 51, be linked together with the water pump 56 in the water-cooling tank 51, and provide the circulating power of cooling water by water pump 56.
Preferably, as shown in fig. 11, each water-cooling inlet branch pipe 53 is provided with an electromagnetic control valve 56, which can control whether or not to perform water-cooling according to the heat generation condition of the battery system body 41 in each battery chamber 2002, so that the battery system body 41 in the heat generation condition is preferentially and rapidly cooled when a part of the battery system bodies 41 are operated.
Referring to fig. 9 and 10, the fire-fighting drainage system further comprises a fire-fighting water pipe, a fire-fighting pump 62, a fire-fighting spray header 65 and a fire-fighting alarm probe 66, the fire-fighting water pipe comprises a fire-fighting water supply main pipe 63 and a fire-fighting water supply branch pipe 64, the fire-fighting spray header 65 and the fire-fighting alarm probe 66 are arranged in each battery chamber 2002, the fire-fighting spray header 65 is communicated with the fire-fighting water supply branch pipe 64, the fire-fighting water supply branch pipe 64 is communicated with the fire-fighting water supply main pipe 63, and the fire-fighting water supply main pipe 63 is communicated with the fire-fighting pump 62. After the fire alarm probe 66 senses the fire, the fire pump 62 pumps the water in the fire water tank 61 into the fire water pipe and sprays the fire water through the fire spray head 65, so as to control the fire.
Alternatively, for a fire pump 62 having a larger power, a fire-fighting equipment chamber 2004 may be provided in the underground portion, the fire-fighting equipment chamber 2004 communicating with the underground passage 2001. As shown in fig. 1 and 9, a battery chamber 2002 and a fire-fighting equipment chamber 2004 are provided on both sides of an underground passage 2001, a fire-fighting water tank 61 is provided at one end of the underground passage 2001, an underground shaft 2005 is provided at the other end, the underground shaft 2005 communicates with an above-ground space 1005 in an above-ground portion, and the above-mentioned steps 20051 and 20052 are provided inside. The fire-fighting water supply main pipe 63 is communicated with the water outlet of the fire-fighting pump 62, the water inlet of the fire-fighting pump 62 is communicated with one end of the fire-fighting water intake pipe 67, and the other end of the fire-fighting water intake pipe 67 extends into the fire-fighting water pond 61, so that the fire-fighting pump 62 can take water in the fire-fighting water pond 61.
Preferably, as shown in fig. 7 and 10, the fire-fighting drainage system comprises a drainage channel 24 arranged in each battery chamber 2002 and a drainage pipe arranged in the underground passage 2001, wherein the drainage pipe comprises a drainage main pipe 68 and a drainage branch pipe 69, the drainage channel 24 is communicated with the drainage branch pipe 69, the drainage branch pipe 69 is communicated with the drainage main pipe 68, the drainage main pipe 68 is embedded in the underground passage 2001 through a drainage pipe channel 23 and is led to the fire-fighting water pool 61 along the underground passage 2001, so that at least part of water can be recycled when a fire occurs, and the control time of the fire is prolonged.
Referring to fig. 1, 13 and 14, the ventilation and smoke exhaust system comprises an air supply device 71 and an air exhaust device 74, the overground part comprises an air supply fan chamber 1001 and an air exhaust and smoke exhaust fan chamber 1002, the air supply is arranged in the air supply fan chamber 1001, and the air exhaust device 74 is arranged in the air exhaust and smoke exhaust fan chamber 1002, so that personnel can conveniently overhaul on the overground.
Specifically, as shown in fig. 13 and 14, the air supply device 71 is connected with an air supply main pipe 72, the air supply main pipe 72 has a first air supply port 721, and is connected with a plurality of air supply branch pipes 73, and second air supply ports 731 are arranged at the tail ends of the air supply branch pipes 73, so that when a person needs to enter the underground part, the air supply device 71 can send fresh air into the underground part through the first air supply port 721 and the second air supply port 731, thereby meeting the breathing requirement of the person. Preferably, the air supply device 71 further has a temperature regulation function, or the ventilation and smoke exhaust system includes a temperature regulation device, which can firstly heat or cool the fresh air, and then send the fresh air with a proper temperature (for example, the same temperature as that in the underground part) into the underground part, so as to avoid damaging the stable temperature environment of the underground part when the fresh air is sent.
Referring to fig. 14, the exhaust equipment 74 is connected to an exhaust main pipe 75, the exhaust main pipe 75 has a first exhaust port 751, and is connected to a plurality of exhaust branch pipes 76, the end of the exhaust branch pipe 76 is provided with a second exhaust port 761, and the exhaust equipment 74 can suck out harmful gas in the underground part through the first exhaust port and the second exhaust port and discharge the harmful gas to the ground through an exhaust vent pipe 77 connected to the exhaust equipment 74.
Preferably, the ventilation and smoke exhaust system further comprises smoke exhaust equipment 78, the smoke exhaust equipment 78 is arranged in the air exhaust and smoke exhaust fan chamber 1002, an air inlet of the smoke exhaust equipment is communicated with the air exhaust and smoke exhaust main pipe 75, an air outlet of the smoke exhaust equipment is provided with a high-altitude smoke exhaust pipe 79, and a smoke exhaust opening of the high-altitude smoke exhaust pipe 79 is higher than the ground by a preset distance. The exhaust device 74 is stopped when a fire occurs, and the harmful gas is extracted through the exhaust device 78, so that the harmful gas can be more rapidly discharged to the high altitude, and the harmful gas is prevented from being deposited in the underground part or on the ground, thereby exposing personnel to the harmful gas. Illustratively, in this embodiment, the smoke outlet of the high-altitude smoke discharge pipe 79 is disposed at least 10m above the ground.
Preferably, the foundation 2 further includes a battery system mounting table 21 and a fire-fighting equipment foundation mounting table 22, and the battery system mounting table 21 and the fire-fighting equipment foundation mounting table 22 are used for raising the battery system main body 41 and the fire pump 62, respectively, so that the battery system main body 41 and the fire pump 62 can be kept away from moisture, and the drainage effect of the drainage tank 24 can be improved.
The invention also provides a construction method of the energy storage power station, which is shown with reference to fig. 15 to 26, and comprises the following steps:
s1, excavating a construction pit to be below a frozen soil layer.
In step S1, the earth is excavated to form a construction pit, and the bottom surface of the construction pit is excavated below the frozen soil layer, for example, between 5m and 9m below the ground, so that the underground part is in a stable temperature range, and the situation that the fire-fighting water tank 61 and the water-cooling water tank 51 are not frozen can be avoided, thereby ensuring the normal operation of the water-cooling system and the fire-fighting system.
Illustratively, for a region with a mild climate, the construction pit is preferably excavated to the underground 6m, the height of the underground part is generally 3m, the foundation is 1m, and the upper earth covering layer of the battery chamber 2002 is arranged for 2m, so that the underground part is positioned between 2m and 5m below the ground, and the temperature of the soil 1 below the underground 3m is close to the average local annual temperature, so that the temperature in the battery chamber 2002 is kept stable.
Illustratively, for areas with colder climate, such as a plateau and areas with higher latitude, due to the larger depth of the frozen soil layer, the construction pit is preferably excavated to 8m underground, and the soil covering layer on the battery chamber 2002 is at least 3m, so that the temperature in the battery chamber 2002 can be kept stable. Further, the height of the underground portion can be further increased, for example, the height of the underground portion is set to 4m, and the storage space can be increased to store a battery system with a larger capacity.
S2, manufacturing the foundation 2 at a preset depth, and forming a functional structure on the foundation 2.
Specifically, in step S2, the foundation 2 is formed by replacing, compacting in layers, and then pouring concrete. Various functional structures such as the installation groove 25, the drainage groove 24, the drainage pipe groove 23, the fire-fighting water tank 61, the battery system installation table 21, the fire-fighting equipment foundation installation table 22, and the like can be formed together when the foundation 2 is constructed. Alternatively, in the present embodiment, the water-cooled tank 51 is disposed in the fire-fighting water tank 61 after the fire-fighting water tank 61 is formed.
And S3, installing the prefabricated structural member to the foundation 2 in a hoisting mode to form an underground part, wherein the underground part is used for accommodating a battery system of the energy storage power station.
Specifically, as shown in fig. 20 to 26, after the foundation 2 is constructed, the first prefabricated structural member 31 and the second prefabricated structural member 32 are lifted, assembled to form the main body of the underground passageway 2001, the third prefabricated structural member 33 is lifted to form the underground shaft 2005 at the end of the underground passageway 2001, and the fourth prefabricated structural member 34 and the fifth prefabricated structural member 35 are further lifted, assembled one by one to form the battery compartment 2002 and the fire-fighting equipment compartment 2004, and the battery system is accommodated in the battery compartment 2002. More specifically, as shown in fig. 15 to 19, the top of the partially prefabricated structural member adopts an arch structure, so that the partially prefabricated structural member can have strong bearing capacity and structural strength.
Preferably, the width of the mounting groove 25 is 5cm-10cm wider than the edge of the prefabricated structural member, so that the edge of the prefabricated structural member can be guided to be inserted into the mounting groove 25 in a limited manner, the position of the prefabricated structural member is ensured to be accurate, the construction is accelerated, and the subsequent sealing, filling and fixing and waterproof and moistureproof treatment are facilitated.
S4, performing waterproof treatment, filling and fixing on the joint of the underground part.
Because gaps exist between adjacent prefabricated structural members, gaps are also formed between the prefabricated structural members and the foundation 2, so that the underground part is provided with a plurality of joints, and the stability of the underground part is easily affected. Therefore, in step S4, the joints are filled with concrete and subjected to waterproof treatment, so that firm connection between adjacent prefabricated structural members and between the prefabricated structural members and the foundation 2 is ensured, the prefabricated structural members are prevented from moving, and the underground space is ensured to be stable in structure.
S5, backfilling the construction pit.
Specifically, in step S5, the construction pit is backfilled, facilitating further construction of the aerial parts subsequently. Optionally, the subsurface portion is subjected to a moisture and water resistant treatment prior to backfilling the construction pit. Specifically, the waterproof and dampproof layers can be arranged before filling and fixing, or the waterproof and dampproof layers can be synchronously arranged, or the waterproof and dampproof layers can be arranged after filling and fixing, so long as the waterproof and dampproof effects can be achieved, and the waterproof and dampproof structure is not particularly limited in the invention.
By the construction method of the energy storage power station, an underground part can be formed, the underground stable temperature environment can be utilized, the battery system in the energy storage power station is ensured to be at a proper average temperature, the temperature regulation and control of the battery system are realized in an energy-saving mode, the construction mode of forming the underground part by hoisting the prefabricated structural part is time-saving and labor-saving, the construction period is short, and the construction cost is low.
Further, the energy storage power station construction method further comprises the following steps:
s5, after backfilling the construction pit, building an overground part and building a ventilation and smoke exhaust system of the energy storage power station;
s6, synchronously building a fire-fighting drainage system and a water-cooling system of the energy storage power station when the ventilation and smoke exhaust system is built;
or after the ventilation and smoke exhaust system is built, a fire-fighting drainage system and a water cooling system of the energy storage power station are built;
specifically, the invention is not limited to the specific construction methods in the step S5 and the step S6, and the construction time of the fire-fighting drainage system and the water-cooling system is not limited, so long as the ventilation and smoke exhaust system can send fresh air, and the respiratory requirements of constructors entering underground parts can be ensured. Optionally, before constructing the partial system of the underground portion, a step 20051 and a freight ladder 20052 are installed in the underground shaft 2005, so that subsequent installation work is facilitated.
Still further, the energy storage power station construction method further comprises:
s7, debugging a ventilation and smoke exhaust system and a fire-fighting drainage system;
installing a battery system of an energy storage power station within the underground portion;
and debugging the battery system and the water cooling system.
Specifically, in step S7, by first debugging the ventilation and smoke evacuation system and the fire-fighting drainage system, in the manner of installing the battery system, the battery system can be prevented from malfunctioning, or when other systems malfunction, causing abnormal conditions such as fire, etc., the environment in the underground part is suddenly changed, the abnormal conditions cannot be controlled in time, and a safety accident occurs.
Of course, the invention is not particularly limited to the composition structure of the overground part, and the overground part can be built in a conventional manner or can be built by similar prefabricated structural members. Illustratively, in this embodiment, the above-ground part further includes an above-ground central control room 1003 and an above-ground rest room 1004, and the whole above-ground part is also constructed by adopting a prefabricated structural member field assembly mode, so that the construction period of the energy storage power station is further shortened.
In the description of the present specification, reference to the term "some embodiments," "other embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is merely exemplary of the present invention, and those skilled in the art should not be considered as limiting the invention, since modifications may be made in the specific embodiments and application scope of the invention in light of the teachings of the present invention.
Claims (10)
1. Energy storage plant, characterized in that it comprises an underground portion comprising prefabricated structural members and a foundation (2), at least part of said prefabricated structural members being provided with an arch structure for load bearing; the underground part comprises an underground passage (2001) and at least two battery chambers (2002), the prefabricated structural parts are mounted on the foundation (2) to form the underground passage (2001) and the battery chambers (2002), the battery chambers (2002) are respectively communicated with the underground passage (2001), and battery systems of the energy storage power station are distributed in the battery chambers (2002).
2. The energy storage power station according to claim 1, characterized in that the prefabricated structural members comprise a first prefabricated structural member (31), a second prefabricated structural member (32), a third prefabricated structural member (33), a fourth prefabricated structural member (34) and a fifth prefabricated structural member (35), wherein only the first prefabricated structural member (31), the second prefabricated structural member (32), the fourth prefabricated structural member (34) and the fifth prefabricated structural member (35) are provided with the arch structure;
-said foundation (2), said first prefabricated structural member (31) and said second prefabricated structural member (32) forming said subterranean passageway (2001); -said foundation (2), said fourth prefabricated structural member (34) and said fifth prefabricated structural member (35) forming said battery compartment (2002); the third prefabricated structural member (33) is mounted to one end of the underground passage (2001) to form an underground shaft (2005), the underground shaft (2005) being for communicating the underground portion with an above-ground portion of the energy storage battery.
3. The energy storage power station according to claim 2, characterized in that the energy storage power station is provided with a fire-fighting drainage system, the fire-fighting drainage system comprises a fire-fighting water tank (61), a fire-fighting pump (62), a fire-fighting water pipe, a fire-fighting spray header (65), a drainage main pipe (68) and a drainage branch pipe (69), the fire-fighting spray header (65) is arranged in each battery chamber (2002), the fire-fighting water pipe is communicated and arranged between the fire-fighting water tank (61) and the fire-fighting spray header (65), and the fire-fighting pump (62) drives water in the fire-fighting water tank (61) to be sprayed out from the fire-fighting spray header (65) through the fire-fighting water pipe when a fire happens; the battery chamber (2002) is internally provided with a drainage groove (24), and the drainage groove (24) is sequentially communicated with the drainage branch pipe (69), the drainage main pipe (68) and the fire water tank (61) so that water in the fire water tank (61) can be recycled.
4. The energy storage power station according to claim 3, characterized in that the energy storage power station is provided with a water cooling system, the water cooling system comprises a water cooling water tank (51), at least part of the water cooling water tank (51) is soaked in a fire water tank (61), the fire water tank (61) is buried in soil (1), water in the water cooling water tank (51) circulates in the water cooling system and absorbs heat when flowing through the battery system, and heat is released to the soil (1) through the fire water tank (61) when flowing through the water cooling water tank (51).
5. The energy storage power plant of claim 1, wherein,
the energy storage power station also comprises a ventilation and smoke exhaust system, the ventilation and smoke exhaust system is at least used for extracting harmful gas in the underground part, the ventilation and smoke exhaust system comprises a high-altitude smoke exhaust pipe (79), a smoke outlet of the high-altitude smoke exhaust pipe (79) is higher than the ground by at least 10m, and the harmful gas is exhausted out of the energy storage power station through the high-altitude smoke exhaust pipe (79), so that the harmful gas is prevented from causing personnel injury.
6. The energy storage power plant of claim 1, wherein,
the energy storage power station also comprises a ventilation and smoke exhaust system which is at least used for sending fresh air into the underground part, and the ventilation and smoke exhaust system also comprises temperature regulating equipment which is used for regulating the temperature of the fresh air.
7. The energy storage power plant of claim 1, wherein,
the foundation (2) has a mounting groove (25), and the prefabricated structural member can be inserted into the mounting groove (25) in a limited manner.
8. The energy storage power station construction method is characterized by comprising the following steps:
digging a construction pit to below the frozen soil layer;
-manufacturing said foundation (2) at a preset depth;
-mounting a prefabricated structural member to the foundation (2) in a hoisted manner forming the underground portion for housing the battery system of the energy storage power station;
performing waterproof treatment, filling and fixing on the joint of the underground part;
backfilling the construction pit.
9. The energy storage power plant construction method of claim 8, wherein the construction pit is excavated 5m to 9m below ground.
10. The energy storage power plant construction method of claim 8, further comprising:
after backfilling the construction pit, building an overground part and building the ventilation and smoke exhaust system of the energy storage power station;
when the ventilation and smoke exhaust system is built, the fire-fighting drainage system and the water cooling system of the energy storage power station are built synchronously; or after the ventilation and smoke exhaust system is built, the fire-fighting drainage system and the water cooling system of the energy storage power station are built;
debugging the ventilation and smoke exhaust system and the fire-fighting drainage system;
installing the battery system of the energy storage power station within the subterranean portion;
and debugging the battery system and the water cooling system.
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