CN218636512U - Fire extinguishing system for energy storage battery box - Google Patents
Fire extinguishing system for energy storage battery box Download PDFInfo
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- CN218636512U CN218636512U CN202220623518.0U CN202220623518U CN218636512U CN 218636512 U CN218636512 U CN 218636512U CN 202220623518 U CN202220623518 U CN 202220623518U CN 218636512 U CN218636512 U CN 218636512U
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- fire
- perfluorohexanone
- fire extinguishing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a fire extinguishing systems to energy storage battery box, including perfluor ketone spraying extinguishing device, thin water smoke device, pipe network and atomizer, perfluor ketone spraying extinguishing device passes through the pipe network connection the atomizer, thin water smoke device passes through the pipe network connection the atomizer. Compared with the prior art, the beneficial effects of the utility model are that: besides the rapid fire extinguishing effect of the perfluoro hexanone fire extinguishing agent, the fine water mist has a good heat absorption and temperature reduction effect, and the continuous thermal runaway of the lithium battery can be inhibited by absorbing a large amount of heat energy generated by the thermal runaway of the battery; the effects of fire extinguishing, temperature reduction, suffocation, oxygen isolation and thermal radiation obstruction are achieved, and therefore a better fire extinguishing effect is achieved. The method utilizes the characteristic that perfluorohexanone can extinguish fire quickly and the advantages of water mist for extinguishing fire for a long time and cooling to extinguish the fire of the energy storage battery box, and is more environment-friendly, economical and efficient.
Description
Technical Field
The utility model relates to a lithium cell fire-extinguishing apparatus technical field that is relevant especially relates to a fire extinguishing systems to energy storage battery box.
Background
A lithium battery is a battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a negative electrode material. The chemical characteristics of lithium metal are very active, so that the requirements on the environment for processing, storing and using the lithium metal are very high. The traditional single fire extinguishing method cannot well protect the energy storage battery box. The energy storage power station is provided with a plurality of energy storage battery boxes, each energy storage battery box is provided with a battery capacity of about 2.5MWh, and most of the batteries are lithium ion batteries.
The lithium ion battery has the fire hazard characteristics that: (1) the ignition speed is fast and the duration is long. The fire rapidly spreads within the lithium ion battery module for only a few seconds, lasting approximately twenty more minutes. And (2) the combustion temperature is high. The maximum temperature outside the battery during combustion can reach 283-1090 degrees centigrade and the temperature inside the battery can reach 572-1121 degrees centigrade, so that such high temperatures are sufficient to ignite other combustible materials inside the battery module and inside the battery box, and a greater fire hazard can occur. (3) difficulty in putting out. Regarding the lithium battery, most of the combustion reaction occurs inside the battery shell, the battery shell obstructs the application of the fire extinguishing agent, and in practice, the extinguishing time of the lithium battery fire often exceeds the oxygen supply time of an oxygen bottle carried by a fireman, thus posing certain threat to the personal safety of the fireman. (4) explosion due to spontaneous combustion for a long time. Lithium ion batteries can self-ignite and subsequently explode due to overheating if the fire and temperature are not well controlled.
Therefore, it is necessary to provide a fire extinguishing system for an energy storage battery box that solves the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fire extinguishing systems to energy storage battery box to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a fire extinguishing systems to energy storage battery case, includes perfluor ketone spraying extinguishing device, thin water smoke device, pipe network and atomizer, perfluor ketone spraying extinguishing device passes through the pipe network connection the atomizer, thin water smoke device passes through the pipe network connection the atomizer.
The device further comprises a collecting pipe, wherein the perfluorohexanone spray fire extinguishing device and the water mist device are connected with one side of the collecting pipe, and the other side of the collecting pipe is connected with the spray nozzle through the pipe network.
Further, the water mist device comprises a motor, a water mist pump set and a water tank, wherein the water tank is connected with the water mist pump set, and the water mist pump set is connected with the motor.
Furthermore, the perfluorohexanone spray fire extinguishing device comprises a motor, a perfluorohexanone spray fire extinguishing pump set and a perfluorohexanone container, wherein the perfluorohexanone spray fire extinguishing pump set is connected with the perfluorohexanone container, and the perfluorohexanone spray fire extinguishing pump set is connected with the motor.
Furthermore, the system comprises a partition control valve, and the partition control valve is arranged on the pipe network.
Further comprises a perfluorohexanone control cabinet, wherein the perfluorohexanone control cabinet is arranged on the perfluorohexanone spray fire-extinguishing device.
Furthermore, the system comprises a fire alarm controller which is connected with the perfluorohexanone control cabinet.
Furthermore, the fire alarm device comprises a fire alarm bell, an audible and visual alarm and a spray indicator lamp, wherein the fire alarm bell, the audible and visual alarm and the spray indicator lamp are connected with the fire alarm controller.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) The utility model can not only spray perfluorohexanone, but also spray water mist. The fire of the energy storage battery box is extinguished by combining the characteristic of quick extinguishment of the perfluorohexanone with the advantages of long-time extinguishment and cooling of the water mist, so that the energy storage battery box is more environment-friendly, economic and efficient.
(2) The utility model can atomize the perfluoro hexane or water into fog drops below 200 μm under lower pressure, and then the fog drops are quickly heated and vaporized to fill the whole protection area, and adopts the perfluoro hexane fire extinguishing agent, thereby having good heat absorption effect besides the fire extinguishing effect, and inhibiting the continuous thermal runaway of the lithium battery by absorbing a large amount of heat energy generated by the thermal runaway of the battery; the effects of fire extinguishing, temperature reduction, suffocation, oxygen isolation and thermal radiation separation are achieved, and therefore a better fire extinguishing effect is achieved.
(3) The utility model can be started for many times, if the fire is not extinguished, the perfluoro-hexanone fire extinguishing agent is continuously sprayed for extinguishment after a fire signal is continuously received; after the perfluoro-cyclohexanone extinguishing agent is sprayed, or when the amount of the perfluoro-cyclohexanone extinguishing agent is less than the next fire extinguishing amount, the fine water mist can be continuously sprayed into the fire protection area for extinguishing fire and cooling until the reaction in the lithium battery is consumed, so that the fire extinguishing is safer and more reliable.
Drawings
FIG. 1 is a schematic view of the present invention;
fig. 2 is a schematic diagram of an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a fire extinguishing systems to energy storage battery box, includes perfluor has ketone spraying extinguishing device, water mist device, pipe network 35 and atomizer 26, perfluor has ketone spraying extinguishing device pass through pipe network 35 connects atomizer 26, water mist device passes through pipe network 35 connects atomizer 26.
The improvement of the specific embodiment comprises a collecting pipe 32, wherein the perfluorohexanone spray fire extinguishing device and the water mist device are connected with one side of the collecting pipe 32, and the other side of the collecting pipe 32 is connected with the spray nozzle 26 through the pipe network 35.
As an improvement of the specific embodiment, the water mist device comprises a motor 31, a water mist pump set 8 and a water tank 3, wherein the water tank 3 is connected with the water mist pump set 8, and the water mist pump set 8 is connected with the motor 31.
As a modification of the specific embodiment, the perfluorohexanone spray fire-extinguishing device comprises a motor, a perfluorohexanone spray fire-extinguishing pump set 18 and a perfluorohexanone container 21, wherein the perfluorohexanone spray fire-extinguishing pump set 18 is connected with the perfluorohexanone container 21, and the perfluorohexanone spray fire-extinguishing pump set 18 is connected with the motor.
The improvement of the specific embodiment comprises a zone control valve 12, and the zone control valve 12 is arranged on the pipe network 35.
The improvement of the specific embodiment comprises a perfluorohexanone control cabinet 17, wherein the perfluorohexanone control cabinet 17 is arranged on a perfluorohexanone spray fire-extinguishing device.
As a modification of the specific embodiment, the system comprises a fire alarm controller 23, and the fire alarm controller 23 is connected with the perfluorohexanone control cabinet 17.
The improvement of the specific embodiment comprises a fire alarm bell 28, an audible and visual alarm 29 and a blow-up indicator 30, wherein the fire alarm bell 28, the audible and visual alarm 29 and the blow-up indicator 30 are connected with the fire alarm controller 23.
The utility model relates to a fire extinguishing systems to energy storage battery case puts out a fire for perfluor has ketone spraying and adds the thin water smoke cooling of putting out a fire and combine together of putting out a fire. Aiming at the characteristics of high ignition speed, rapid spread, long fire duration and high combustion temperature of the lithium ion battery, the system sprays perfluorohexanone at the early stage to quickly extinguish fire; spraying water mist for extinguishing fire and cooling in the later stage.
The utility model discloses each part name and effect are as follows:
1 is an electric butterfly valve which controls the water tank to automatically feed water (normally closed);
2 is a filter for filtering impurities in the inlet water;
3 is a water storage tank for storing water for the fire extinguishing system;
4 is a water level sensor which converts the water level change of the water tank into an electric signal;
5, a water escape valve, a water tank or a system drainage (normally closed);
6 is a control valve, and a water outlet control valve of the water tank is normally open;
7 is a high-pressure hose connected with the inlet and outlet pipelines of the pump set;
8, a water mist pump is used for providing pressure water mist for the system to cool;
9, a safety pressure relief valve is used for relieving the pressure to be normal when the system pressure is too high;
a water mist control cabinet 10 for receiving control signals and controlling the start and stop of a water mist pump;
11, a signal feedback device for feeding back a spraying signal of the system;
12 is a zone control valve which corresponds to the control valve of each protection zone and is automatically started in case of fire;
13 a check valve for controlling the water flow of the pump;
14, a water mist pump outlet electric valve is arranged, and the control system automatically switches to spray water mist;
15 is a perfluorohexanone pump outlet electric valve, and a control system automatically switches and sprays perfluorohexanone; 16 is a pressure sensor which converts the pressure change of the system water flow into an electric signal;
17 is a perfluorohexanone control cabinet which receives control signals and controls the starting and stopping of a perfluorohexanone pump; 18 is a perfluorohexanone pump which provides perfluorohexanone for the system to spray and extinguish the fire;
19 is an electric three-way ball valve which controls a pump set to automatically switch perfluorohexanone or compressed air;
20 is a control valve, a perfluorohexanone liquid outlet control valve (normally open);
21 is a perfluorohexanone container for storing a perfluorohexanone fire extinguishing agent;
22 is a fire extinguishing agent liquid level sensor which converts the change of the perfluorohexanone liquid level into an electric signal;
23 is a fire alarm controller which receives the fire signal and sends out an instruction;
the infrared temperature-sensing detector 24 senses a fire temperature signal and automatically alarms;
25 is a smoke detector which senses the smoke signal of the fire and automatically alarms;
26 is a spray nozzle, which sprays perfluorohexanone to extinguish fire or fine water mist to cool and cool;
27 is a manual control box for realizing the 'on-site' electric manual starting of the system;
28, a fire alarm bell, wherein one path of detector gives an alarm and starts the alarm bell;
29 is an audible and visual alarm for reminding that the area has a fire;
30 is a spraying indicator lamp for reminding related personnel of spraying water mist;
31 is a motor;
32 is a collecting main;
33 is a safety relief valve;
and 35, a system pipe network.
Fire extinguishing action flow:
when a fire disaster occurs in the battery box, the controller receives a fire signal and sends the fire signal to the fire alarm controller, the fire alarm controller outputs the fire signal to the perfluorohexanone control cabinet, and the fire extinguishing device is started to extinguish the fire; meanwhile, the fire alarm bell, the audible and visual alarm, the blow-off indicator lamp and the like are linked.
After the perfluoro-hexanone control cabinet receives the fire alarm signal, the output signal opens the zone control valve of the corresponding fire protection zone, when the zone control valve is opened in place, a switch signal is output, the electric valve at the outlet of the perfluoro-hexanone pump and the electric three-way ball valve at the inlet of the pump are opened in a linkage manner, and then the perfluoro-hexanone pump is started to spray to extinguish fire.
When the perfluorohexanone is sprayed and reaches the designed fire extinguishing amount, the electric three-way ball valve is automatically switched, the perfluorohexanone fire extinguishing agent is turned off, the perfluorohexanone pump does not stop at the moment, the work is continued for a period of time, the perfluorohexanone fire extinguishing agent is converted into spraying compressed air to push the fire extinguishing agent, the perfluorohexanone pump is automatically stopped until all the fire extinguishing agent in the system pipeline is pushed into a protection area, and the system resets.
When the perfluorohexyl ketone control cabinet receives the fire alarm signal indication, the action procedure is repeated, and the perfluorohexyl ketone is continuously sprayed for fire extinguishing.
After the perfluoro-ketone extinguishing agent is sprayed, or when the amount of the perfluoro-ketone extinguishing agent is not enough for next fire extinguishing, when the perfluoro-ketone control cabinet receives the indication of the fire alarm signal, the output signal opens the zone control valve of the corresponding fire protection zone, after the zone control valve is opened in place, the switch signal is output to open the electric valve of the water mist pump outlet in a linkage manner, after the electric valve of the water mist pump outlet is opened in place, the switch signal is output to open the water mist pump in a linkage manner, and the water mist is sprayed to extinguish the fire and cool until the fire is extinguished.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. A fire extinguishing system for an energy storage battery box, characterized in that: the system comprises a perfluorohexanone spray fire extinguishing device, a water mist device, a pipe network and spray nozzles, wherein the perfluorohexanone spray fire extinguishing device is connected with the spray nozzles through the pipe network, and the water mist device is connected with the spray nozzles through the pipe network;
the collecting pipe, the perfluorohexanone spray fire extinguishing device and the water mist device are connected with one side of the collecting pipe, the other side of the collecting pipe is connected with the spray nozzle through the pipe network, the water mist device comprises a motor, a water mist pump set and a water tank, the water tank is connected with the water mist pump set, and the water mist pump set is connected with the motor;
the pipe network is provided with a partition control valve; and
the perfluorohexanone control cabinet is arranged on the perfluorohexanone spray fire extinguishing device;
the perfluorohexanone spray fire extinguishing device comprises a motor, a perfluorohexanone spray fire extinguishing pump set and a perfluorohexanone container, wherein the perfluorohexanone spray fire extinguishing pump set is connected with the perfluorohexanone container, and the perfluorohexanone spray fire extinguishing pump set is connected with the motor.
2. Fire extinguishing system for an energy storage battery box according to claim 1, characterized in that: the system also comprises a fire alarm controller, wherein the fire alarm controller is connected with the perfluorohexanone control cabinet.
3. Fire extinguishing system for an energy storage battery box according to claim 2, characterized in that: the fire alarm system further comprises a fire alarm bell, an audible and visual alarm and a blow-down indicator lamp, wherein the fire alarm bell, the audible and visual alarm and the blow-down indicator lamp are connected with the fire alarm controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220623518.0U CN218636512U (en) | 2022-03-21 | 2022-03-21 | Fire extinguishing system for energy storage battery box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220623518.0U CN218636512U (en) | 2022-03-21 | 2022-03-21 | Fire extinguishing system for energy storage battery box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218636512U true CN218636512U (en) | 2023-03-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220623518.0U Active CN218636512U (en) | 2022-03-21 | 2022-03-21 | Fire extinguishing system for energy storage battery box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218636512U (en) |
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2022
- 2022-03-21 CN CN202220623518.0U patent/CN218636512U/en active Active
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