Prefabricated energy storage box-type transformer substation

Abstract

The invention discloses a prefabricated energy storage box-type transformer substation, which belongs to the technical field of transformer substations and comprises a supporting seat, a transformer substation shell is mounted at the top end of the supporting seat, a ventilation mechanism is arranged in the transformer substation shell and comprises a roller mounted in the transformer substation shell, and a cooling water tank is mounted at the bottom end of the supporting seat. An air inlet pipe is installed between the top end of the cooling water tank and the roller in a communicating mode, a motor is fixedly installed on the outer surface of the transformer substation shell, and an air supply assembly used for ventilation and air supply is fixedly installed on an output shaft of the motor. A plurality of exhaust holes are formed in the surface, close to the adsorption carbon block, of the air supply cylinder, air can be evenly blown to the adsorption assembly, then the air passes through a plurality of pressurized air injection cooling nozzles, the processed air can be evenly and powerfully sprayed to internal electric elements, heat is rapidly taken away, and the problem that a traditional ventilation mode is low in heat dissipation efficiency is effectively solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of transformer substations, in particular to a prepackaged energy storage box-type transformer substation. BACKGROUND

[0002] The prepackaged box-type transformer substation, also known as a combined transformer substation, is a kind of factory prefabricated indoor and outdoor compact power distribution equipment composed of high-voltage switchgear, distribution transformers and low-voltage distribution devices according to the corresponding wiring method. Due to its advantages of low loss, short power transmission cycle, flexible site selection, low radiation, easy installation and use, easy maintenance, etc., it has gradually become an important power equipment widely used in national power grid construction and transformation.

[0003] During the operation of the prepackaged energy storage box-type transformer substation, a large amount of heat is generated by the internal electrical components. If the heat is not dissipated in time and effectively, the temperature of the equipment will be too high, which will accelerate the aging of the electrical components, reduce their performance and reliability, and even cause equipment failure, affecting the normal operation of the entire power system. The traditional ventilation method is often low in efficiency and difficult to meet the demand for rapid heat dissipation inside the transformer substation, especially in high-temperature environments or high-load operating conditions, the problem of insufficient heat dissipation is more prominent. At the same time, the environment of the transformer substation is complex and diverse, and water vapor in the air is easy to enter the box body. The existence of water vapor not only corrodes the electrical components and reduces their insulation performance, but also increases the risk of electric leakage. The existing water vapor treatment method has limited effect and cannot effectively adsorb and remove the water vapor entering the box body, making it difficult to ensure the stable operation of the electrical components inside the transformer substation in a dry environment. SUMMARY

[0004] The present application aims to provide a prepackaged energy storage box-type transformer substation to solve the problem of ineffective adsorption and removal of water vapor entering the box body, and difficult to ensure the stable operation of the electrical components inside the transformer substation in a dry environment.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solution: a prepackaged energy storage box-type transformer substation, comprising a support seat, a transformer substation housing is installed at the top end of the support seat, a ventilation mechanism is arranged inside the transformer substation housing, the ventilation mechanism comprises a roller installed inside the transformer substation housing, a cooling water tank is installed at the bottom end of the support seat, an air inlet pipe is installed in communication between the top end of the cooling water tank and the roller, an electric motor is fixedly installed on the outer surface of the transformer substation housing, an air supply assembly for ventilation and air supply is fixedly installed on the output shaft of the electric motor, the air supply assembly is arranged inside the roller, an adsorption assembly is arranged inside the roller, the adsorption assembly comprises an adsorption housing installed inside the roller, the adsorption housing is filled with adsorption carbon blocks for adsorbing water vapor, a plurality of air inlet holes for air exchange are formed in the surface of the adsorption housing.

[0006] As a preferred technical scheme of the present application, the air supply assembly comprises an air supply cylinder mounted inside the roller, a fixed rod is fixedly mounted on the output shaft of the motor, a second gear is fixedly mounted on one end of the fixed rod inside the air supply cylinder, a first gear is rotatably mounted inside the air supply cylinder and engaged with the second gear, a rotating rod is fixedly mounted on the surface of the first gear, and a fan blade for accelerating air supply is fixedly mounted on the surface of the rotating rod, and a plurality of air outlet holes are formed on the surface of the air supply cylinder close to the adsorbing carbon block.

[0007] As a preferred technical scheme of the present application, a detection valve is arranged on the air inlet pipe, a plurality of toggle plates are fixedly mounted on the outer surface of the rotating rod, and a plurality of air holes are formed on the surface of the toggle plates.

[0008] As a preferred technical scheme of the present application, a filter screen is fixedly mounted on the surface of the fixed rod, and the filter screen is arranged between the adsorbing shell and the air supply cylinder.

[0009] As a preferred technical scheme of the present application, a sliding block is fixedly mounted on the outer surface of the adsorbing shell, a sliding groove is formed in the inside of the roller, and the sliding block is slidingly mounted in the sliding groove, a sealing plate for closing the inside of the roller is arranged on the free end of the roller, a plurality of adsorbing shells are fixedly connected by connecting ropes, and the sealing plate and the connecting ropes are fixedly connected.

[0010] As a preferred technical scheme of the present application, a rotating ring is rotatably mounted in the inside of the adsorbing shell, a roller shaft is rotatably mounted in the inside of the rotating ring through a sliding groove formed therein, and a water absorption sponge for adsorbing residual water vapor is arranged in the inside of the roller shaft.

[0011] As a preferred technical scheme of the present application, a gas collecting ring is communicatively mounted on the free end of the roller, an annular air pipe is arranged on the inner wall of the substation shell close to the internal electric element, the gas collecting ring is communicatively arranged with the annular air pipe, and a plurality of nozzles for pressurized air jet cooling are communicatively arranged on the surface of the annular air pipe.

[0012] As a preferred technical scheme of the present application, a filter assembly is arranged in the inside of the air inlet pipe, the filter assembly comprises a film for air permeation and water prevention arranged on the air inlet pipe, a sediment tank is communicatively arranged at the bending portion of the air inlet pipe close to the film, and a resin column for adsorbing impurities is mounted in the inside of the sediment tank.

[0013] As a preferred technical scheme of the present application, a round rod is rotatably mounted in the inside of the substation shell, a belt is transmissionally mounted between the round rod and the fixed rod, a filter ball is fixedly mounted on one end of the round rod and arranged in the inside of the air inlet pipe, and a protective net is mounted on the surface of the filter ball.

[0014] As a preferred technical scheme of the present application, the top end of the transformer substation shell is fixedly provided with a top plate for protecting the internal electrical components of the transformer substation, and the cross section of the top plate is triangular.

[0015] Compared with the prior art, the present application has the following advantages:

[0016] 1、The motor drives the air supply assembly to work, the motor output shaft drives the rotating rod and the fan blade to rotate, and the wind speed is accurately controlled.

[0017] 2、The present application fills the adsorption shell in the adsorption assembly with adsorption carbon blocks, which can adsorb most of the water vapor in the air. In addition, the rotating ring is rotatably installed in the adsorption shell, and the rolling shaft rotatably installed in the rotating ring is provided with a water absorption sponge inside. When air flows through, the water absorption sponge can further adsorb residual water vapor, forming a double water vapor adsorption mechanism, which greatly reduces the humidity of the air in the transformer substation, effectively prevents water vapor from condensing on the surface of the electrical components, avoids problems such as degradation of the insulation performance of the electrical components, leakage and even short circuit caused by moisture, and improves the safety and reliability of equipment operation.

[0018] 3、The present application sets up a filter assembly in the air inlet pipe, wherein the air-permeable and waterproof film can prevent water from entering the transformer substation while allowing air to pass through, ensuring ventilation and preventing water damage. The resin column for adsorbing impurities is installed in the sediment tank connected to the bent part of the air inlet pipe, which can preliminarily adsorb and precipitate larger particulate impurities in the air. In addition, when the motor drives the fixed rod to rotate, the circular rod is rotated through the belt drive, and the filter ball in the air inlet pipe is rotated, and the protective net on the surface of the filter ball can further filter the tiny particles in the air, forming a multi-stage air filtration system. This effectively reduces the entry of dust, impurities and other impurities into the transformer substation, avoids the accumulation of dust on the surface of the electrical components affecting heat dissipation and causing arc, short circuit and other faults, reduces the equipment failure rate, and reduces maintenance costs.

[0019] 4、The present application is through the setting up adsorbing shell sliding installation in the chute in the inside of the drum, the free end of the drum is provided with the sealing plate for closing the inside, a plurality of adsorbing shell is fixedly connected through connecting rope and is connected with the sealing plate, so that when needing to replace or maintain adsorption component, only needs to open the sealing plate, the adsorbing shell is pulled out in whole through the connecting rope, convenient and fast operation, this design makes the maintenance personnel can quickly overhaul, replace adsorbing material etc. Operation to adsorption component, greatly shorten the maintenance time, reduces the operation and maintenance cost, improves the maintainability of equipment.

[0020] 5、The present application is through the installation of top plate on the top end of the transformer substation shell, this design can effectively guide rainwater to flow down quickly when encountering rainy weather, avoid rainwater from seeping into the inside of the transformer substation after accumulating on the top plate, cause damage to internal electrical components, at the same time, the triangular top plate has certain structural strength, can withstand certain external force impact, such as preventing high-altitude falling objects from causing damage to the transformer substation, enhances the adaptability of equipment to complex outdoor natural environment, guarantees the normal operation of equipment under various harsh environments. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the overall structure schematic diagram of the present application;

[0022] Figure 2 It is the inside structure schematic diagram of the transformer substation shell of the present application;

[0023] Figure 3 It is the cooling water tank structure schematic diagram of the present application;

[0024] Figure 4 It is the inside structure schematic diagram of the drum of the present application;

[0025] Figure 5 It is the filter screen structure schematic diagram of the present application;

[0026] Figure 6 It is the fan blade structure schematic diagram of the present application;

[0027] Figure 7 It is the sediment tank structure schematic diagram of the present application;

[0028] Figure 8 It is the adsorbing shell cross section structure schematic diagram of the present application.

[0029] In the figure: 1, support seat; 2, substation shell; 3, top plate; 4, ventilation mechanism; 41, cooling water tank; 42, detection valve; 43, air inlet pipe; 44, filter assembly; 441, belt; 442, round rod; 443, film; 444, filter ball; 445, sediment tank; 45, motor; 46, roller; 47, air supply assembly; 471, air supply cylinder; 472, air outlet hole; 473, fan blade; 474, rotating rod; 475, push plate; 476, first gear; 477, second gear; 478, filter screen; 48, fixed rod; 49, adsorption assembly; 491, connecting rope; 492, adsorption shell; 493, air inlet hole; 494, rotating ring; 495, sliding groove; 496, roller shaft; 497, water-absorbing sponge; 498, adsorbing carbon block; 499, sliding block; 4910, sealing plate; 410, gas collecting ring; 411, annular air pipe. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0031] Please refer to Figures 1-8 The present application provides a prepackaged energy storage tank-type substation, which comprises a support seat 1, a substation shell 2 is installed at the top end of the support seat 1, a ventilation mechanism 4 is arranged in the substation shell 2, the ventilation mechanism 4 comprises a roller 46 installed in the substation shell 2, a cooling water tank 41 is installed at the bottom end of the support seat 1, an air inlet pipe 43 is installed in communication between the top end of the cooling water tank 41 and the roller 46, a motor 45 is fixedly installed on the outer surface of the substation shell 2, an air supply assembly 47 for ventilation and air supply is fixedly installed on the output shaft of the motor 45, the air supply assembly 47 is arranged in the roller 46, an adsorption assembly 49 is arranged in the roller 46, the adsorption assembly 49 comprises an adsorption shell 492 installed in the roller 46, the adsorption shell 492 is filled with adsorbing carbon blocks 498 for adsorbing water vapor, and a plurality of air inlet holes 493 for air exchange are formed in the surface of the adsorption shell 492.

[0032] The motor 45 drives the air supply assembly 47 to work in the roller 46, air from the cooling water tank 41 enters the roller 46 after being mixed by stirring through the air inlet pipe 43, and then enters the inside of the substation shell 2 after being dried by the adsorption assembly 49, thereby realizing ventilation and air exchange and preliminary cooling. The ventilation, cooling and other functional modules are integrated in the substation shell 2, the cooling water tank 41 is used as the initial cooling source of air, providing a basis for subsequent heat dissipation, and ensuring that the electrical components in the substation shell 2 can operate in a relatively suitable temperature environment.

[0033] In some embodiments, the air supply assembly 47 comprises an air supply cylinder 471 mounted inside the roller 46, the output shaft of the motor 45 is fixedly mounted with a fixed rod 48, one end of the fixed rod 48 inside the air supply cylinder 471 is fixedly mounted with a second gear 477, the inside of the air supply cylinder 471 is rotatably mounted with a first gear 476, and the first gear 476 is engaged with the second gear 477, the surface of the first gear 476 is fixedly mounted with a rotating rod 474, the surface of the rotating rod 474 is fixedly mounted with a fan blade 473 for accelerating air supply, and the surface of the air supply cylinder 471 close to the adsorption carbon block 498 is provided with a plurality of air outlet holes 472.

[0034] In the air supply assembly 47, the output shaft of the motor 45 drives the fixed rod 48 to rotate, the fixed rod 48 drives the second gear 477 to rotate, the second gear 477 drives the first gear 476 to rotate, the first gear 476 drives the rotating rod 474 to rotate, and the rotating rod 474 drives the fan blade 473 to rotate, thereby generating wind power. Through the gear transmission structure, the rotating speed of the fan blade 473 can be more accurately controlled, so as to adjust the ventilation volume and meet the heat dissipation demand of the substation shell 2 under different working conditions. The uniform air outlet design helps to improve the air processing efficiency of the adsorption assembly 49, enhances the ventilation and heat dissipation effect, and the air supply cylinder 471 is provided with the air outlet holes 472 close to the surface of the adsorption carbon block 498, so that the air can be uniformly blown to the adsorption assembly 49, the air flow and the adsorption drying process are accelerated, and the subsequent drying and ventilation of the inside of the substation shell 2 are facilitated.

[0035] In some embodiments, the air inlet pipe 43 is provided with a detection valve 42, and the outer surface of the rotating rod 474 is fixedly mounted with a plurality of toggle plates 475, and the surface of the toggle plate 475 is provided with a plurality of air holes.

[0036] The detection valve 42 is arranged on the air inlet pipe 43, the flow, pressure and other parameters of the air in the air inlet pipe 43 can be monitored and controlled in real time, the working state of the ventilation system can be understood by the staff in time, and adjustment can be made according to the actual situation to ensure the stability of the ventilation effect; the rotating rod 474 is provided with a plurality of toggle plates 475 with air holes on the outer surface, and the toggle plates 475 rotate when the rotating rod 474 rotates, which can further stir the air, enhance the flowability of the air, make the air fully contact with the adsorption assembly 49, improve the adsorption efficiency, and help to improve the overall ventilation and heat dissipation performance.

[0037] In some embodiments, the surface of the fixed rod 48 is fixedly mounted with a filter screen 478, and the filter screen 478 is arranged between the adsorption shell 492 and the air supply cylinder 471.

[0038] Wherein, the filter screen 478 is installed on the surface of the fixed rod 48 and arranged between the adsorption shell 492 and the air supply cylinder 471. When the air is discharged through the air supply cylinder 471, it will first pass through the filter screen 478 for filtration. The filter screen 478 can intercept larger particulate impurities in the air, plays a role of secondary filtration, further purifies the air entering the transformer substation shell 2, reduces the pollution and damage of dust and other impurities to the electrical components, and prolongs the service life of the electrical components.

[0039] In some embodiments, the outer surface of the adsorption shell 492 is fixedly installed with a sliding block 499, the inside of the roller 46 is provided with a sliding groove, and the sliding block 499 is slidingly installed in the sliding groove. The free end of the roller 46 is provided with a sealing plate 4910 for closing the inside. The plurality of adsorption shells 492 are fixedly connected by a connecting rope 491, and the sealing plate 4910 and the connecting rope 491 are fixedly connected.

[0040] Wherein, the adsorption shell 492 is slidingly installed in the sliding groove in the roller 46 through the sliding block 499 fixed on the outer surface, realizing the movable installation of the adsorption shell 492 in the roller 46. The plurality of adsorption shells 492 are connected with the sealing plate 4910 through the connecting rope 491. By opening or closing the sealing plate 4910, the adsorption shell 492 can be conveniently pulled out or pushed into the roller 46. This design makes the installation and disassembly of the adsorption assembly 49 very convenient, facilitates regular maintenance, replacement of adsorption materials and other operations of the adsorption assembly 49, greatly shortens the maintenance time, reduces the operation and maintenance cost, and improves the maintainability of the equipment.

[0041] In some embodiments, a rotating ring 494 is rotatably installed in the inside of the adsorption shell 492. A roller shaft 496 is rotatably installed in the inside of the rotating ring 494 through a sliding groove 495. The inside of the roller shaft 496 is provided with a water absorption sponge 497 for absorbing residual water vapor.

[0042] Wherein, when the air flows through the adsorption shell 492, the water absorption sponge 497 can absorb the residual water vapor in the air. At the same time, the rotating design of the rotating ring 494 and the roller shaft 496 increases the contact area and contact opportunity of the water absorption sponge 497 with the air, further strengthens the adsorption capacity of the water vapor in the air, forms a double water vapor adsorption mechanism, effectively reduces the humidity of the air in the transformer substation shell 2, prevents the electrical components from being damp, and improves the safety and stability of the equipment operation.

[0043] In some embodiments, a gas collecting ring 410 is communicatively installed at the free end of the roller 46. An annular air pipe 411 is installed on the inner wall of the transformer substation shell 2 close to the internal electrical components, and the gas collecting ring 410 is communicatively arranged with the annular air pipe 411. A plurality of nozzles for pressurized air jet cooling are communicatively arranged on the surface of the annular air pipe 411.

[0044] The treated air is collected by the gas collecting ring 410 and then enters the annular air pipe 411, and is sprayed to the electric element by the spray head in a pressurized manner, so that the air can impact the electric element at a high speed and pressure, heat is quickly taken away, the heat dissipation efficiency is greatly improved, the electric element can also operate normally in a high temperature environment, and the adaptability of the transformer substation to high temperature weather is enhanced.

[0045] In some embodiments, the inside of the air inlet pipe 43 is provided with a filter assembly 44, the filter assembly 44 includes a waterproof and breathable film 443 arranged on the air inlet pipe 43, and the air inlet pipe 43 is communicated with a sediment tank 445 at the bending position close to the film 443, and a resin column for adsorbing impurities is arranged in the inside of the sediment tank 445.

[0046] The air inlet pipe 43 is communicated with the sediment tank 445 at the bending position, and the resin column is arranged in the sediment tank 445, so that the resin column can adsorb impurities in the air, and the sediment tank 445 can precipitate larger particles of impurities. Through the above multi-stage filtering design, the moisture and impurities in the air are effectively removed, the moisture and dust are prevented from entering the inside of the transformer substation to cause damage to the electric element, the air entering the transformer substation is ensured to be clean and dry, the insulation performance and operation stability of the equipment are improved, and the equipment failure caused by environmental factors is reduced.

[0047] In some embodiments, a round rod 442 is rotatably arranged in the inside of the transformer substation shell 2, a belt 441 is transmissionally arranged between the round rod 442 and the fixed rod 48, a filter ball 444 is fixedly arranged at one end of the round rod 442, the filter ball 444 is arranged in the inside of the air inlet pipe 43, and a protective net is arranged on the surface of the filter ball 444.

[0048] When the fixed rod 48 is rotated by the motor 45, the round rod 442 is rotated through the belt 441, the filter ball 444 arranged at one end of the round rod 442 is rotated, and the protective net on the surface of the filter ball 444 filters the air entering the air inlet pipe 43, so as to intercept larger particles of impurities in the air, further purify the air entering the ventilation system, reduce the burden of the subsequent filter assembly 44, and prolong the service life of the whole filtering system.

[0049] In some embodiments, a top plate 3 for protecting the electric element in the inside of the transformer substation is fixedly arranged at the top end of the transformer substation shell 2, and the cross section of the top plate 3 is triangular.

[0050] The triangular design enables rainwater to quickly flow down the inclined surface when falling on the top plate 3, avoids accumulation of rainwater on the top plate 3, effectively prevents rainwater from penetrating into the substation, protects internal electrical elements from rainwater erosion, improves the waterproof performance of the equipment, meanwhile, the triangular top plate 3 has certain structural strength and can withstand certain external force impact, enhances the resistance of the substation to bad weather and external environment, and guarantees normal operation of the equipment.

[0051] The above is only a specific embodiment of the present application, but the technical features of the present application are not limited thereto. Any simple change, equivalent replacement or modification made on the basis of the present application to solve the basically same technical problem and realize the basically same technical effect is included in the protection scope of the present application.

Claims

1. A prefabricated energy storage box-type substation, comprising a support base (1), characterized in that: The top of the support base (1) is fitted with a substation housing (2). A ventilation mechanism (4) is installed inside the substation housing (2). The ventilation mechanism (4) includes a roller (46) installed inside the substation housing (2). A cooling water tank (41) is installed at the bottom of the support base (1). An air inlet pipe (43) is connected between the top of the cooling water tank (41) and the roller (46). A motor (45) is fixedly installed on the outer surface of the substation housing (2). The output shaft is fixedly mounted with an air supply assembly (47) for ventilation and air supply. The air supply assembly (47) is located inside the drum (46). An adsorption assembly (49) is located inside the drum (46). The adsorption assembly (49) includes an adsorption shell (492) installed inside the drum (46). The adsorption shell (492) is filled with adsorption carbon blocks (498) for adsorbing water vapor. The surface of the adsorption shell (492) is provided with a plurality of air inlets (493) for air exchange.

2. The prefabricated energy storage box-type substation according to claim 1, characterized in that: The air supply assembly (47) includes an air supply duct (471) installed inside the drum (46). A fixing rod (48) is fixedly installed on the output shaft of the motor (45). A second gear (477) is fixedly installed at one end of the fixing rod (48) inside the air supply duct (471). A first gear (476) is rotatably installed inside the air supply duct (471), and the first gear (476) meshes with the second gear (477). A rotating rod (474) is fixedly installed on the surface of the first gear (476). A fan blade (473) for accelerating air supply is fixedly installed on the surface of the rotating rod (474). A plurality of exhaust holes (472) are opened on the surface of the air supply duct (471) near the adsorbed carbon block (498).

3. A prefabricated energy storage box-type substation according to claim 2, characterized in that: The air inlet pipe (43) is equipped with a detection valve (42), and multiple actuating plates (475) are fixedly installed on the outer surface of the rotating rod (474), and multiple air holes are opened on the surface of the actuating plates (475).

4. A prefabricated energy storage box-type substation according to claim 2, characterized in that: A filter screen (478) is fixedly installed on the surface of the fixing rod (48), and the filter screen (478) is disposed between the adsorption shell (492) and the air supply tube (471).

5. A prefabricated energy storage box-type substation according to claim 1, characterized in that: The outer surface of the adsorption shell (492) is fixedly mounted with a slider (499). The inside of the roller (46) is provided with a groove, and the slider (499) is slidably mounted inside the groove. The free end of the roller (46) is provided with a sealing plate (4910) for sealing the inside. Multiple adsorption shells (492) are fixedly connected by a connecting rope (491), and the sealing plate (4910) and the connecting rope (491) are fixedly connected.

6. A prefabricated energy storage box-type substation according to claim 1, characterized in that: The adsorption shell (492) is rotatably mounted with a rotating ring (494), and a roller (496) is rotatably mounted inside the rotating ring (494) through a sliding groove (495). The roller (496) is provided with a water-absorbing sponge (497) for adsorbing residual moisture.

7. A prefabricated energy storage box-type substation according to claim 1, characterized in that: The free end of the roller (46) is connected to a gas collecting ring (410). The inner wall of the substation shell (2) near the internal electrical components is equipped with an annular air pipe (411), and the gas collecting ring (410) is connected to the annular air pipe (411). The surface of the annular air pipe (411) is connected to multiple nozzles for pressurized jet cooling.

8. A prefabricated energy storage box-type substation according to claim 1, characterized in that: The air inlet pipe (43) is provided with a filter assembly (44), which includes a breathable and waterproof membrane (443) disposed on the air inlet pipe (43). A sedimentation tank (445) is connected to the bend of the air inlet pipe (43) near the membrane (443). A resin column for adsorbing impurities is installed inside the sedimentation tank (445).

9. A prefabricated energy storage box-type substation according to claim 8, characterized in that: A round rod (442) is rotatably installed inside the substation shell (2). A belt (441) is installed between the round rod (442) and the fixed rod (48). A filter ball (444) is fixedly installed at one end of the round rod (442), and the filter ball (444) is set inside the air inlet pipe (43). A protective net is installed on the surface of the filter ball (444).

10. A prefabricated energy storage box-type substation according to claim 1, characterized in that: The top of the substation shell (2) is fixedly installed with a top plate (3) for protecting the internal electrical components of the substation, and the cross section of the top plate (3) is triangular.

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