Fire extinguishing system for energy storage container and energy storage container

Abstract

The utility model relates to the technical field of energy storage container, disclose a kind of fire-fighting system and energy storage container for energy storage container, it is suitable for energy storage container, including fire-fighting waste liquid purifier, first pipeline, second pipeline and liquid level meter, wherein, the fire-fighting waste liquid purifier is used to purify fire-fighting waste liquid, the fire-fighting waste liquid purifier has water inlet and water outlet;The first pipeline is connected between the water inlet and the energy storage container, first valve for controlling the opening and closing of first pipeline is provided on the first pipeline;The second pipeline is connected between the water outlet and the energy storage container, valve assembly for controlling the opening and closing of second pipeline is provided on the second pipeline;Through the setting of fire-fighting waste liquid purifier, fire-fighting waste liquid can be purified, and purified fire-fighting waste liquid is sent into energy storage container for recycling or discharge, save fire-fighting water resource and will not cause environmental pollution.

Description

Technical Field

[0001] This utility model relates to the field of energy storage container technology, and in particular to a fire protection system for energy storage containers and an energy storage container. Background Technology

[0002] Energy storage containers are modular energy storage devices that integrate core components such as energy storage battery packs, battery management systems, energy storage converters, cooling systems, and monitoring systems into standardized containers. They have advantages such as flexible deployment, short construction cycles, and strong adaptability, and have been widely used in scenarios such as new energy consumption, grid peak shaving and frequency regulation, user-side energy storage, and emergency power supply. When a single battery in an energy storage container experiences thermal runaway, it releases a large amount of high-temperature gas and flames. Since the battery packs are densely arranged inside the container, the heat and flames will spread rapidly to adjacent batteries, causing the entire container to catch fire in a short time. Therefore, a fire suppression system is required to extinguish the fire in the energy storage container.

[0003] For example, Chinese utility model patent with publication number CN216456632U discloses a fire-fighting device for a containerized energy storage system. In the above solution, fire-fighting water is introduced into the container to extinguish and cool the fire inside when the internal gas fire-fighting means cannot effectively control the fire. However, the above solution lacks the treatment of fire-fighting waste liquid after fire extinguishing. The fire-fighting waste liquid is directly discharged, which not only wastes water resources but also causes environmental pollution. Utility Model Content

[0004] To overcome at least one of the defects described in the prior art, this utility model provides a fire protection system for an energy storage container and an energy storage container. By installing a fire waste liquid purifier, the fire waste liquid can be purified, and the purified waste liquid can be sent into the energy storage container for recycling or discharge, saving fire water resources and preventing environmental pollution.

[0005] The technical solution of this utility model is implemented as follows: A fire protection system for an energy storage container, applicable to energy storage containers, includes a fire waste liquid purifier, a first pipe, a second pipe, and a level gauge. The fire waste liquid purifier is used to purify fire waste liquid and has an inlet and an outlet. The first pipe connects the inlet to the energy storage container and is equipped with a first valve for controlling its opening and closing. The second pipe connects the outlet to the energy storage container and is equipped with a valve assembly for controlling its opening and closing. The level gauge monitors the level of the fire waste liquid inside the energy storage container. When the monitored level exceeds a preset value, the first valve opens to deliver the fire waste liquid to the fire waste liquid purifier, and the valve assembly opens to deliver the purified fire waste liquid from the purifier into the energy storage container.

[0006] Based on the above technical solutions, preferably, the second pipeline includes a first sub-pipeline, a second sub-pipeline, and a tee pipe, wherein one end of the first sub-pipeline is connected to the outlet of the fire-fighting waste liquid purifier, and the other end is connected to the first port of the tee pipe; one end of the second sub-pipeline is connected to the second port of the tee pipe, and the other end is connected to the energy storage container.

[0007] Based on the above technical solutions, preferably, a third pipe is also included, one end of which is connected to the third port of the three-way pipe, and a one-way valve is provided on the third pipe.

[0008] Based on the above technical solutions, preferably, the valve assembly includes a second valve and a third valve, wherein the second valve is disposed on the first sub-pipe; and the third valve is disposed on the second sub-pipe.

[0009] Based on the above technical solutions, preferably, the energy storage container is equipped with a fire control panel and a fire detector, wherein the fire control panel is electrically connected to the fire detector, the first valve, the second valve and the third valve; when the fire detector detects a fire in the energy storage container, the fire control panel controls the third valve to open.

[0010] Based on the above technical solutions, preferably, a flow meter is installed on the second sub-pipe, and an audible and visual alarm box is also installed on the energy storage container, wherein the fire control panel is electrically connected to the level gauge, the flow meter, and the audible and visual alarm box.

[0011] Based on the above technical solutions, preferably, a pump is also installed on the first sub-pipe, and the pump is electrically connected to the fire control unit.

[0012] Based on the above technical solutions, preferably, the fire-fighting waste liquid purifier is also equipped with a discharge pipeline, which can discharge the purified fire-fighting waste liquid, and the discharge pipeline is equipped with a discharge check valve.

[0013] Based on the above technical solutions, preferably, the first valve, the second valve and the third valve are all electric ball valves.

[0014] An energy storage container, including the fire protection system for the energy storage container as described above.

[0015] In summary, the fire protection system for energy storage containers and the energy storage container provided by this utility model have the following advantages over the prior art: (1) By setting up a fire-fighting waste liquid purifier, a first pipeline and a second pipeline, the fire-fighting waste liquid can be recycled and purified. When the level gauge detects that the height of the fire-fighting waste liquid in the energy storage container exceeds the preset value, the waste liquid can be transported to the purifier for purification and then sent back to the container, saving water resources. (2) By setting up fire detectors and fire control panels, when the fire detectors detect a fire, the fire control panels can promptly open the third valve, which can quickly deliver the external fire water to the inside of the energy storage container. The automation method improves the response speed of the fire protection system and enhances the timeliness and effectiveness of the energy storage container in responding to fires. (3) The flow meter monitors the water flow status in real time. When the water flow is abnormal, an alarm can be set in time, which makes it convenient for staff to quickly find and deal with the fault and ensure the normal operation of the fire protection system. (4) When the purified fire-fighting waste liquid does not need to be recycled back to the energy storage container, it can be discharged through the discharge pipeline. The discharge check valve can prevent external liquid or impurities from flowing back into the fire-fighting waste liquid purifier, ensuring the purification effect of the fire-fighting waste liquid purifier. It not only meets the needs of fire-fighting waste liquid recycling, but also takes into account the scenario of direct discharge of fire-fighting waste liquid, improving the applicability and flexibility of the fire protection system, while avoiding secondary pollution problems in the discharge process. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the planar structure of an embodiment of the present utility model; Figure 2This is a three-dimensional structural diagram of an embodiment of the present utility model; Figure 3 This is a structural block diagram of an embodiment of the present utility model; Figure 4 for Figure 2 Enlarged view of point A; The meanings of the reference numerals in the attached drawings are as follows: 1. Fire-fighting waste liquid purifier; 11. Inlet; 12. Outlet; 13. Discharge pipeline; 131. Drainage check valve; 2. First pipeline; 21. First valve; 22. Third sub-pipeline; 23. Fourth sub-pipeline; 24. Elbow; 3. Second pipeline; 31. Valve assembly; 311. Second valve; 312. Third valve; 32. First sub-pipeline; 321. Pump; 33. Second sub-pipeline; 331. Flow meter; 34. T-junction; 4. Level gauge; 5. Third pipeline; 51. Check valve; 52. Flange; 6. Energy storage container; 61. Fire control panel; 62. Fire detector; 63. Audible and visual alarm box. Detailed Implementation

[0018] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this utility model.

[0019] See Figures 1-4 This utility model discloses a fire protection system for an energy storage container 6, which is applicable to the energy storage container 6 and includes a fire waste liquid purifier 1, a first pipe 2, a second pipe 3, a level gauge 4 and a third pipe 5.

[0020] See Figure 1As shown, in this embodiment, the fire-fighting waste liquid purifier 1 is installed outside the energy storage container 6. The fire-fighting waste liquid purifier 1 is used to purify fire-fighting waste liquid, which refers to the liquid that has entered the energy storage container 6 for fire extinguishing. The fire-fighting waste liquid purifier 1 has a box-like structure and includes a filtration unit and a purification unit installed inside. The filtration unit consists of a filter screen and a filter element, while the purification unit is an activated carbon adsorption layer. The filtration unit and purification unit remove suspended solid impurities such as carbon deposits and dust generated from battery combustion from the fire-fighting waste liquid. The activated carbon adsorption layer removes soluble pollutants, providing multi-stage purification to ensure effectiveness. It should also be noted that other filtration units and purification units can be used for the fire-fighting waste liquid purifier 1; no specific limitations are made here. This design, compared to the fire-fighting waste liquid flowing directly out through the floor drain at the bottom of the energy storage container 6, is easier to collect, more environmentally friendly, reduces floor drain clogging, facilitates maintenance, and saves significant manpower and resources.

[0021] Specifically, the fire-fighting waste liquid purifier 1 has an inlet 11 and an outlet 12, while the energy storage container 6 is equipped with a fire access road. The first pipe 2 connects the inlet 11 and the energy storage container 6, and the second pipe 3 connects the outlet 12 and the energy storage container 6. Specifically, the second pipe 3 connects the outlet 12 and the fire access road. By setting the first pipe 2 and the second pipe 3, the fire-fighting waste liquid purifier 1 and the energy storage container 6 are connected, which facilitates the recycling of fire-fighting water.

[0022] In this embodiment, refer to Figure 1 As shown, a first valve 21 is installed on the first pipeline 2 to control its opening and closing. When the first valve 21 is open, the fire-fighting waste liquid in the energy storage container 6 can enter the fire-fighting waste liquid purifier 1 through the first pipeline 2. When the first valve 21 is closed, the fire-fighting waste liquid in the energy storage container 6 is blocked from entering the fire-fighting waste liquid purifier 1. Specifically, the first pipeline 2 includes a third sub-pipeline 22, a fourth sub-pipeline 23, and an elbow 24. One end of the third sub-pipeline 22 is connected to the inlet 11 of the fire-fighting waste liquid purifier 1, and the other end is connected to the elbow 24. One end of the fourth sub-pipeline 23 is connected to the elbow 24, and the other end is connected to the energy storage container 6. The third sub-pipeline 22 and the fourth sub-pipeline 23 are vertically distributed, which allows them to be disassembled and installed separately, making maintenance and installation more convenient. The first valve 21 can be installed on either the third sub-pipeline 22 or the fourth sub-pipeline 23, as long as it achieves this function; no specific limitation is made here.

[0023] It should also be noted that the first valve 21 is an electric ball valve. The electric ball valve has a fast response speed, which can ensure that the fire-fighting waste liquid enters the purifier as soon as possible when the liquid level exceeds the limit, avoiding the safety hazards caused by the accumulation of fire-fighting waste liquid in the energy storage container 6. Moreover, the electric ball valve has an electrical control interface, which can realize the effect of automated control and realize the linkage of the fire protection system.

[0024] In this embodiment, refer to Figure 1 and Figure 2 As shown, the second pipeline 3 is equipped with a valve assembly 31 for opening and closing the second pipeline 3. When the valve assembly 31 is opened, the fire-fighting waste liquid purified by the fire-fighting waste liquid purifier 1 can enter the energy storage container 6 through the second pipeline 3. When the valve assembly 31 is closed, the purified fire-fighting waste liquid is isolated and cannot enter the energy storage container 6.

[0025] In this embodiment, refer to Figure 1 and Figure 2 As shown, the level gauge 4 is used to monitor the height of fire-fighting waste liquid inside the energy storage container 6. Specifically, the level gauge 4 is located below the outer side of the energy storage container 6. When the height of the fire-fighting waste liquid exceeds the preset value, the first valve 21 opens to transport the fire-fighting waste liquid to the fire-fighting waste liquid purifier 1. At the same time, the valve assembly 31 opens to transport the fire-fighting waste liquid purified by the fire-fighting waste liquid purifier 1 to the energy storage container 6, thereby realizing the purification and recycling of fire-fighting waste liquid, solving the problem of fire-fighting water resources, and improving the utilization rate of fire-fighting water resources.

[0026] See Figure 2 and Figure 4 As shown, in this embodiment, the second pipe 3 includes a first sub-pipe 32, a second sub-pipe 33, and a tee pipe 34. One end of the first sub-pipe 32 is connected to the outlet 12 of the fire waste liquid purifier 1, and the other end of the first sub-pipe 32 is connected to the first port of the tee pipe 34. The other end of the second sub-pipe 33 is connected to the second port of the tee pipe 34, and the other end is connected to the energy storage container 6, specifically to the fire passage of the energy storage container 6. This design allows the first sub-pipe 32 and the second sub-pipe 33 to be disassembled and installed separately, making maintenance and installation more convenient. Furthermore, the design of the second sub-pipe 33 can be combined with the fire water supply of external fire-fighting equipment to realize the transportation of fire water.

[0027] See Figure 4As shown, in this embodiment, the valve assembly 31 includes a second valve 311 and a third valve 312. The second valve 311 is disposed on the first sub-pipe 32, and the third valve 312 is disposed on the second sub-pipe 33. When the second valve 311 is open, the purified fire-fighting waste liquid in the fire-fighting waste liquid purifier 1 enters the second sub-pipe 33 through the first sub-pipe 32. When the third valve 312 is open, the purified fire-fighting waste liquid enters the energy storage container 6 through the second sub-pipe 33. When the second valve 311 is closed, the purified fire-fighting waste liquid in the fire-fighting waste liquid purifier 1 cannot enter the second sub-pipe 33, and when the third valve 312 is closed, the purified fire-fighting waste liquid in the fire-fighting waste liquid purifier 1 cannot enter the energy storage container 6, thus achieving a sealing effect.

[0028] It should also be noted that the second valve 311 and the third valve 312 are electric ball valves. The electric ball valves have a fast response speed, which can ensure that the purified fire-fighting waste liquid enters the energy storage container 6 as soon as possible. Moreover, the electric ball valves have an electrical control interface, which can realize the effect of automated control and realize the linkage of the fire-fighting system.

[0029] One end of the third pipe 5 is connected to the third port of the tee pipe 34. A one-way valve 51 is installed on the third pipe 5, and a flange 52 is installed at the other end of the third pipe 5. The flange 52 facilitates connection with the fire water delivery pipeline of the external fire-fighting equipment. The one-way valve 51 can prevent the fire-fighting waste liquid from flowing out through the third pipe 5 when a circulation loop is formed. In the event of a fire, not only do the external fire-fighting equipment need to be opened, but the one-way valve 51 also needs to be opened for the fire water to enter the energy storage container 6. The one-way valve 51 can prevent staff from accidentally adding fire water to the energy storage container 6, which is not currently on fire, thereby improving fire safety performance.

[0030] See Figure 3As shown, in this embodiment, the energy storage container 6 is also equipped with a fire control panel 61 and a fire detector 62. The fire control panel 61 is integrated into the energy storage container 6 and will not be described in detail here. The fire detector 62 is installed inside the energy storage container 6 and includes a smoke detector and a temperature detector. It monitors whether a fire has occurred through smoke and temperature sensing. The fire control panel 61 is electrically connected to the fire detector 62, the first valve 21, the second valve 311, and the third valve 312. When the fire detector 62 detects a fire in the energy storage container 6, the fire control panel 61 controls the second valve 311 to open. Specifically, when the fire... When the fire detector 62 detects a fire inside the energy storage container 6, it sends a signal to the third valve 312 via the fire alarm control panel 61. At this time, the third valve 312 opens, and fire water enters the energy storage container 6 through the check valve 51 and the third valve 312. The third valve 312 can control the fire water entering the energy storage container 6 to prevent damage to the batteries inside the energy storage container 6 due to misoperation, thereby further improving the fire safety performance of the energy storage container 6. The fire detector 62, the fire alarm control panel 61, and the third valve 312 work together to automatically control the entry of fire water, thereby improving the automation level of the fire protection system of the energy storage container 6.

[0031] See Figure 3 As shown, in this embodiment, when a fire occurs, the fire-fighting water enters the energy storage container 6 through the third pipe 5 and the second sub-pipe 33 to extinguish the fire and becomes fire-fighting waste liquid. When the level gauge 4 detects that the level of the fire-fighting waste liquid in the energy storage container 6 exceeds the preset value, the fire control panel 61 sends a signal to the first valve 21, the second valve 311, and the third valve 312. At this time, the first valve 21, the second valve 311, and the third valve 312 are all opened, and the fire-fighting waste liquid enters the fire-fighting waste liquid purifier 1 through the first pipe 2. The fire-fighting waste liquid purifier 1 purifies the fire-fighting waste liquid, and the purified fire-fighting waste liquid enters the energy storage container 6 again through the first sub-pipe 32 and the second sub-pipe 33 for fire extinguishing. This saves water resources and has a high degree of automation.

[0032] Since both fire-fighting water and purified fire-fighting waste liquid enter the energy storage container 6 for fire extinguishing, a discharge pipe 13 is installed on the fire-fighting waste liquid purifier 1 to ensure the discharge effect of the purified fire-fighting waste liquid. The purified fire-fighting waste liquid can be discharged through the discharge pipe 13. Since the fire-fighting waste liquid has been purified, the discharge will not cause environmental pollution. Moreover, a drain check valve 131 is installed on the discharge pipe 13. The drain check valve 131 is electrically connected to the fire control panel 61. After the fire is controlled and handled, the drain check valve 131 is automatically opened by the fire control panel 61 to discharge the purified fire-fighting waste liquid through the drain pipe. The discharged fire-fighting water has been treated by the fire-fighting waste liquid purifier 1 and will not pollute the environment.

[0033] In this embodiment, a flow meter 331 is installed on the second sub-pipe 33, and an audible and visual alarm box 63 is also installed on the energy storage container 6. The audible and visual alarm box 63 is installed on the side wall of the energy storage container 6. The fire control panel 61 is electrically connected to the level gauge 4, the flow meter 331, and the audible and visual alarm box 63. When the flow meter 331 detects an abnormal water flow, the fire control panel 61 controls the audible and visual alarm box 63 to issue an alarm signal. Specifically, when the fire water from external fire-fighting equipment enters the energy storage container 6, it first passes through the flow meter 331, and the flow rate is observed through the flow meter 331. The flow meter 331 allows for direct observation of whether fire water from the fire-fighting equipment is entering the energy storage container 6 normally. If the water flow is low, the flow signal is transmitted to the fire control panel 61, which then sends the signal to the audible and visual alarm, triggering an alarm. This can further improve the fire safety performance of the energy storage container 6, even if pipeline maintenance is required. Furthermore, by checking whether fire water has entered the energy storage container 6, the flow meter 331 maximizes the utilization of fire water resources, reduces unnecessary waste, and enhances the practicality of the fire protection system in the energy storage container 6.

[0034] See Figure 2 and Figure 4 As shown, in this embodiment, a pump 321 is also installed on the first sub-pipe 32. The pump 321 is electrically connected to the fire control panel 61. The pump 321 is used to pump the purified fire waste liquid to the first sub-pipe 32. When the level gauge 4 detects that the fire waste liquid level exceeds the preset value, the fire control panel 61 controls the audible and visual alarm box 63 to issue an alarm signal. Specifically, when the level gauge 4 detects that the fire waste liquid level in the energy storage container 6 exceeds the preset value, the fire control panel 61 sends a signal to the first valve 21, the second valve 311, and the third valve 312. At the same time, it also sends a signal to the pump 321, which automatically opens and pumps the purified fire waste liquid to the first sub-pipe 32, forming a cycle. This can save fire water resources and improve the utilization rate of fire water resources. Moreover, when the level gauge 4 detects that there is fire water in the container, it will send a signal to the audible and visual alarm box 63, so that the staff knows that a fire has occurred in the container and that fire water has been added, so that the staff can understand the situation in time and take action.

[0035] This utility model also discloses an energy storage container 6, including the fire protection system for the energy storage container 6 as described above.

[0036] The specific implementation steps are as follows: When a fire occurs, the fire water from the external fire-fighting equipment enters the energy storage container 6 through the control of the third valve 312. When the liquid level exceeds the preset value, the first valve 21 and the second valve 311 also open, allowing the fire-fighting waste liquid inside the energy storage container 6 to flow into the fire-fighting waste liquid purifier 1 for purification. The purified fire-fighting waste liquid then continues to flow into the energy storage container 6. After the fire is quelled, the drain check valve 131 is opened to allow the fire-fighting waste liquid purified by the fire-fighting waste liquid purifier 1 to be discharged from the drain pipe, ensuring safety and environmental protection.

[0037] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A fire protection system for an energy storage container, suitable for an energy storage container (6), characterized in that, Includes a fire-fighting waste liquid purifier (1), a first pipeline (2), a second pipeline (3), and a level gauge (4), wherein, The fire-fighting waste liquid purifier (1) is used to purify fire-fighting waste liquid. The fire-fighting waste liquid purifier (1) has an inlet (11) and an outlet (12). The first pipe (2) is connected between the water inlet (11) and the energy storage container (6), and a first valve (21) for controlling the opening and closing of the first pipe (2) is provided on the first pipe (2); The second pipe (3) is connected between the outlet (12) and the energy storage container (6), and a valve assembly (31) for controlling the opening and closing of the second pipe (3) is provided on the second pipe (3); The level gauge (4) is used to monitor the height of fire-fighting waste liquid in the energy storage container (6). When the height of fire-fighting waste liquid exceeds the preset value, the first valve (21) is opened to transport the fire-fighting waste liquid to the fire-fighting waste liquid purifier (1), and the valve assembly (31) is opened to transport the fire-fighting waste liquid purified by the fire-fighting waste liquid purifier (1) to the energy storage container (6).

2. The fire protection system for an energy storage container according to claim 1, characterized in that, The second pipe (3) includes a first sub-pipe (32), a second sub-pipe (33), and a tee pipe (34), wherein, One end of the first sub-pipe (32) is connected to the outlet (12) of the fire-fighting waste liquid purifier (1), and the other end is connected to the first port of the three-way pipe (34); One end of the second sub-pipe (33) is connected to the second port of the tee pipe (34), and the other end is connected to the energy storage container (6).

3. A fire protection system for an energy storage container according to claim 2, characterized in that, It also includes a third pipe (5), one end of which is connected to the third port of the three-way pipe (34), and a one-way valve (51) is provided on the third pipe (5).

4. A fire protection system for an energy storage container according to claim 3, characterized in that, The valve assembly (31) includes a second valve (311) and a third valve (312), wherein, The second valve (311) is installed on the first sub-pipeline (32); The third valve (312) is located on the second sub-pipe (33).

5. A fire protection system for an energy storage container according to claim 4, characterized in that, The energy storage container (6) is equipped with a fire control panel (61) and a fire detector (62), wherein, The fire control panel (61) is electrically connected to the fire detector (62), the first valve (21), the second valve (311) and the third valve (312); When the fire detector (62) detects a fire in the energy storage container (6), the fire control panel (61) controls the third valve (312) to open.

6. A fire protection system for an energy storage container according to claim 5, characterized in that, A flow meter (331) is installed on the second sub-pipe (33), and an audible and visual alarm box (63) is also installed on the energy storage container (6). The fire alarm control panel (61) is electrically connected to the level gauge (4), the flow meter (331), and the audible and visual alarm box (63).

7. A fire protection system for an energy storage container according to claim 5, characterized in that, A pump (321) is also installed on the first sub-pipe (32), and the pump (321) is electrically connected to the fire control panel (61).

8. A fire protection system for an energy storage container according to claim 1, characterized in that, The fire-fighting waste liquid purifier (1) is also equipped with a discharge pipe (13), which can discharge the purified fire-fighting waste liquid. The discharge pipe (13) is equipped with a discharge check valve (131).

9. A fire protection system for an energy storage container according to claim 4, characterized in that, The first valve (21), the second valve (311), and the third valve (312) are all electric ball valves.

10. An energy storage container, characterized in that, Including the fire protection system for energy storage containers as described in any one of claims 1-9.

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