CN214808013U - Energy storage power station fire extinguishing system - Google Patents
Energy storage power station fire extinguishing system Download PDFInfo
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- CN214808013U CN214808013U CN202023019458.1U CN202023019458U CN214808013U CN 214808013 U CN214808013 U CN 214808013U CN 202023019458 U CN202023019458 U CN 202023019458U CN 214808013 U CN214808013 U CN 214808013U
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- 238000004146 energy storage Methods 0.000 title claims abstract description 63
- 239000007789 gas Substances 0.000 claims description 131
- 239000003795 chemical substances by application Substances 0.000 claims description 57
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 27
- 230000001629 suppression Effects 0.000 claims description 12
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 10
- 239000001569 carbon dioxide Substances 0.000 claims description 10
- 235000011089 carbon dioxide Nutrition 0.000 claims description 7
- NSGXIBWMJZWTPY-UHFFFAOYSA-N 1,1,1,3,3,3-hexafluoropropane Chemical compound FC(F)(F)CC(F)(F)F NSGXIBWMJZWTPY-UHFFFAOYSA-N 0.000 claims description 6
- WVSNNWIIMPNRDB-UHFFFAOYSA-N 1,1,1,3,3,4,4,5,5,6,6,6-dodecafluorohexan-2-one Chemical compound FC(F)(F)C(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F WVSNNWIIMPNRDB-UHFFFAOYSA-N 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 6
- UKACHOXRXFQJFN-UHFFFAOYSA-N heptafluoropropane Chemical compound FC(F)C(F)(F)C(F)(F)F UKACHOXRXFQJFN-UHFFFAOYSA-N 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- 238000004880 explosion Methods 0.000 claims description 4
- 239000011261 inert gas Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 239000013589 supplement Substances 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 description 6
- 239000000779 smoke Substances 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
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- 229910052760 oxygen Inorganic materials 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000007654 immersion Methods 0.000 description 3
- 230000002427 irreversible effect Effects 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 229910052739 hydrogen Inorganic materials 0.000 description 1
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model discloses an energy storage power station fire extinguishing systems, include: a first fire extinguishing device disposed within the enclosed area for releasing a fire extinguishing agent into the enclosed area to extinguish the fire from the interior environment of the enclosed area; the second fire extinguishing device is arranged in the closed area and used for releasing fire extinguishing agents into the energy storage battery modules in the closed area so as to extinguish the fire of the single energy storage battery module with local thermal runaway; the external secondary gas fire extinguishing device is arranged outside the closed area and is connected with a secondary fire extinguishing gas interface of the closed area through an external fire fighting pipeline, and the secondary fire extinguishing gas interface supplies a secondary fire extinguishing agent to the closed area and/or each energy storage battery module through an internal fire fighting pipeline; and the fire control device is used for controlling the first fire extinguishing device, the second fire extinguishing device and the external secondary gas fire extinguishing device to work in a coordinated and ordered mode. And an external secondary gas fire extinguishing device is adopted for secondary supplementary fire extinguishing, so that secondary re-burning of fire is prevented, and safety and reliability are realized.
Description
Technical Field
The utility model relates to a fire extinguishing equipment technical field, more specifically say, relate to an energy storage power station fire extinguishing systems.
Background
In the technical fields of energy storage power stations, new energy power automobiles and the like, the lithium ion battery is widely applied.
During the use of the lithium ion battery, due to overcharge, heating, mechanical abuse and other reasons, thermal runaway is easily induced by chain accumulation of heat generated by chemical reaction between battery materials, so that explosion, fire and the like are caused.
The fire extinguishing systems adopted at present have two types, one is an environmental immersion type fire extinguishing system, and the other is a point-to-point type fire extinguishing system.
The fire extinguishing system of environmental immersion utilizes the fire control gas cylinder that sets up in closed regional environment directly to release fire-fighting gas in the closed regional environment, through the gas composition that changes in the closed regional environment, reduces oxygen concentration to reach fire extinguishing effect.
Point-to-point fire extinguishing system will set up in each energy storage battery module is received to the fire control gas cylinder in the closed region through the pipeline in, when the high local thermal runaway takes place for the temperature in a certain energy storage battery module, corresponds the pipeline through the control and opens, releases fire control gas in the energy storage battery module that generates heat, reaches the purpose of local fire extinguishing.
However, the above two fire extinguishing systems can only extinguish fire once, and are mainly used for inhibiting the early stage of fire, and cannot cope with the secondary reburning situation in the middle and later stages of fire.
In the prior art, in order to deal with secondary reburning in the middle and later periods of a fire, an external water spraying mode is usually adopted for cooling blindly, and obviously, irreversible property loss is easily generated for electrical equipment and battery equipment; moreover, after the fire-fighting gas is dissipated, the combustible gas and the combustion-supporting gas are mixed, and the combustible gas is generated by aggravation after the fire-fighting gas is sprayed with water, so that the fire-fighting gas is easy to explode, damages are caused to personnel and property, and the safety risk is high.
In summary, how to provide a safe and reliable fire extinguishing system for an energy storage power station, which is capable of performing secondary fire extinguishing, is an urgent problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing an energy storage power station fire extinguishing systems, can carry out secondary and put out a fire and safe and reliable.
In order to achieve the above object, the present invention provides the following technical solutions:
an energy storage power station fire suppression system comprising:
the first fire extinguishing device is arranged in the closed area and used for releasing a fire extinguishing agent into the closed area so as to extinguish the fire of the internal environment of the closed area;
the second fire extinguishing device is arranged in the closed area and used for releasing a fire extinguishing agent into each energy storage battery module in the closed area so as to extinguish the fire of the single energy storage battery module with local thermal runaway;
the external secondary gas fire extinguishing device is arranged outside the closed area and is connected with a secondary fire extinguishing gas interface of the closed area through an external fire fighting pipeline, and the secondary fire extinguishing gas interface supplies a secondary fire extinguishing agent to the closed area and/or each energy storage battery module through an internal fire fighting pipeline;
a fire control device for controlling the first fire suppression device, the second fire suppression device and the external secondary gas fire suppression device to work in coordination and order.
Preferably, the external secondary gas fire extinguishing apparatus includes a secondary fire suppressant manufacturing apparatus and/or a secondary fire suppressant storage apparatus.
Preferably, a single external secondary gas fire extinguishing apparatus is connected to the secondary fire extinguishing gas ports of N enclosed areas through an external fire protection pipe network, N being a positive integer greater than or equal to 2.
Preferably, a single said external secondary gas fire-extinguishing means is provided with a dosage of secondary fire-extinguishing agent of 20% N to 50% N of said enclosed areas.
Preferably, the fire-fighting protection device further comprises a gas detector arranged in the closed area and used for detecting the content of the combustible gas, and the gas detector is connected with the fire-fighting control device, so that the fire-fighting control device calculates the upper and lower explosion limits of the combustible gas according to a detection signal of the gas detector.
Preferably, the external secondary gas fire extinguishing apparatus includes a manual control valve so that the maintenance personnel manually starts the external secondary gas fire extinguishing apparatus according to a calculation result of the control apparatus.
Preferably, the fire extinguishing system further comprises station-level fire control rooms which are arranged in one-to-one correspondence with the external secondary gas fire extinguishing devices.
Preferably, the fire extinguishing agent of the first fire extinguishing means comprises heptafluoropropane fire extinguishing gas, hexafluoropropane fire extinguishing gas or perfluorohexanone fire extinguishing gas.
Preferably, the fire extinguishing agent of the second fire extinguishing device comprises a dry ice carbon dioxide fire extinguishing agent.
Preferably, the fire extinguishing agent of the external secondary gas fire extinguishing apparatus includes a low pressure carbon dioxide fire extinguishing gas, nitrogen gas, mixed inert gas, heptafluoropropane fire extinguishing gas, hexafluoropropane fire extinguishing gas, perfluorohexanone fire extinguishing gas or dry ice carbon dioxide fire extinguishing agent.
The utility model provides an energy storage power station fire extinguishing systems adopts first extinguishing device and second extinguishing device to carry out environment submergence formula respectively and put out a fire with the point-to-point type in closed regional inside, also promptly, adopts once to mix the mode of putting out a fire, reaches better primary fire extinguishing effect. Simultaneously, through setting up the outside secondary gas extinguishing device in closed region outside, come to carry out the gaseous replenishment of secondary fire control to closed region and/or each energy storage battery module to in the conflagration middle and later stage, when not fully functioning because once putting out a fire, adopt outside secondary gas extinguishing device to carry out the secondary and supply fire extinguishing, prevent that the conflagration secondary from reburning.
In addition, because the external secondary gas fire extinguishing device is supplemented with a secondary fire extinguishing agent, such as fire-fighting gas and the like, the fire extinguishing agent does not cause irreversible loss to energy storage equipment and electrical equipment, and compared with the prior art of blindly spraying external water, the fire extinguishing device is safe and reliable and causes less loss.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic view of the internal layout of a closed area of a fire suppression system for an energy storage power station according to an embodiment of the present invention;
FIG. 2 is a schematic view of the internal structure of FIG. 1;
fig. 3 is a partial schematic view of an external secondary gas fire extinguishing apparatus of the fire extinguishing system of the energy storage power station according to the embodiment of the present invention.
The reference numerals in fig. 1 to 3 are as follows:
1 is first extinguishing device, 11 is first fire-fighting cabinet, 12 is first fire control pipe, 2 is second extinguishing device, 21 is the second fire-fighting cabinet, 22 is the second fire control pipe, 23 is the fire control shower nozzle, 3 is outside secondary gas extinguishing device, 4 is gas detector, 5 is station level fire control room, 6 is the control valve, 7 is closed region, 71 is secondary fire control gas interface, 81 is temperature sensor, 82 is smoke sensor, 9 is the relief valve.
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 efforts belong to the protection scope of the present invention.
The core of the utility model is to provide an energy storage power station fire extinguishing systems can carry out the secondary and put out a fire and safe and reliable.
Referring to fig. 1-3, fig. 1 is a schematic diagram of an internal layout of a closed area of a fire extinguishing system of an energy storage power station according to an embodiment of the present invention; FIG. 2 is a schematic view of the internal structure of FIG. 1; fig. 3 is a partial schematic view of an external secondary gas fire extinguishing apparatus of the fire extinguishing system of the energy storage power station according to the embodiment of the present invention.
The utility model provides an energy storage power station fire extinguishing systems mainly includes first extinguishing device 1, second extinguishing device 2, outside secondary gas extinguishing device 3 and fire control controlling means etc..
In particular, the first fire extinguishing device 1 is provided within the enclosed area 7 for releasing a fire extinguishing agent into the enclosed area 7 for extinguishing the fire in the interior environment of the enclosed area 7.
It should be noted that the enclosed area 7 herein refers to an enclosed area 7 provided with a plurality of energy storage battery modules, such as a container or the like.
That is, the first fire extinguishing apparatus 1 is an environmental immersion type fire extinguishing apparatus, and changes the gas composition of the environment in the enclosed area 7 mainly by directly releasing the fire extinguishing agent into the enclosed area 7 to reduce the oxygen concentration in the environment in the enclosed area 7, thereby achieving the purpose of fire extinguishing by reducing the concentration of the combustion improver.
The second fire extinguishing device 2 is arranged in the closed area 7 and used for releasing fire extinguishing agents to the interior of each energy storage battery module in the closed area 7 so as to extinguish the fire of the single energy storage battery module with local thermal runaway.
That is to say, second extinguishing device 2 is the extinguishing device of point to point type, mainly reduces the ignition point temperature through releasing fire extinguishing agent in the energy storage battery module of local thermal runaway to reduce the concentration of combustion improver such as oxygen, thereby reach the interruption combustion reaction, realize the purpose of putting out a fire.
The external secondary gas fire extinguishing device 3 is arranged outside the closed area 7 and is connected with a secondary fire extinguishing gas interface 71 of the closed area 7 through an external fire fighting pipeline, and the secondary fire extinguishing gas interface 71 supplies a secondary fire extinguishing agent for the closed area 7 and/or each energy storage battery module through an internal fire fighting pipeline.
That is to say, the utility model discloses an add outside secondary gas extinguishing device 3, carry out the gaseous replenishment of secondary fire control to closed region 7 and/or each energy storage battery module to after first extinguishing device 1 and second extinguishing device 2 all are used for the early one time of conflagration to put out a fire, secondary fire control gas through this outside secondary gas extinguishing device 3 replenishment carries out the secondary of conflagration middle and later stage and puts out a fire, in order to deal with the condition of conflagration secondary after-combustion.
The fire control device is used for controlling the first fire extinguishing device 1, the second fire extinguishing device 2 and the external secondary gas fire extinguishing device 3 to work in coordination and orderly.
It can be understood that, when putting out a fire, when a certain energy storage battery module takes place the thermal runaway, fire control controlling means preferred control second extinguishing device 2 action to carry out regional fire extinguishing to the energy storage battery module of local thermal runaway.
When a plurality of energy storage battery modules take place the thermal runaway simultaneously and when on fire, perhaps, after second extinguishing device 2 puts out a fire to a certain energy storage battery module, when this thermal runaway energy storage battery module was put out a fire completely, first extinguishing device 1 of fire control controlling means control was started to carry out whole submergence formula to the internal environment of closed region 7 and put out a fire.
After first extinguishing device 1 and second extinguishing device 2 all put out a fire the action, and when the conflagration was not completely eliminated, then fire control unit control outside secondary gas extinguishing device 3 starts, carries out the secondary and puts out a fire.
Therefore, the utility model provides an energy storage power station fire extinguishing systems adopts first extinguishing device 1 and second extinguishing device 2 to carry out environment submergence formula respectively and put out a fire with the point-to-point type in closed region 7 is inside, also promptly, adopts once to mix the mode of putting out a fire, reaches better primary fire extinguishing effect. Simultaneously, through setting up outside secondary gas extinguishing device 3 outside closed region 7, come to carry out the gaseous replenishment of secondary fire control to closed region 7 and/or each energy storage battery module to in the conflagration middle and later stage, when owing to once putting out a fire and not fully functioning, adopt outside secondary gas extinguishing device 3 to carry out the secondary and supply and put out a fire, prevent conflagration secondary after combustion.
In addition, since the external secondary gas fire extinguishing device 3 is supplemented with a secondary fire extinguishing agent, such as fire-fighting gas, and the fire extinguishing agent does not cause irreversible loss to energy storage equipment and electrical equipment, compared with the prior art of spraying external water for blind purposes, the fire extinguishing device is safe and reliable, and the loss caused is small.
It should be noted that the fire extinguishing agent of the first fire extinguishing apparatus 1 is not specifically limited in this embodiment, and as a preferable scheme, the fire extinguishing agent of the first fire extinguishing apparatus 1 includes heptafluoropropane fire extinguishing gas, hexafluoropropane fire extinguishing gas or perfluorohexanone fire extinguishing gas on the basis of the above-mentioned embodiment.
Preferably, the first fire extinguishing device 1 comprises a first fire fighting cabinet 11 for containing a fire extinguishing agent and a first fire fighting pipe 12 for delivering the fire extinguishing agent to a suitable location of the enclosed area 7.
In addition, it is understood that the first fire extinguishing apparatus 1 preferably includes a temperature sensor 81 and a smoke sensor 82 provided in the enclosed area 7, and the temperature sensor 81 and the smoke sensor 82 are respectively connected to a fire control apparatus, so that the fire control apparatus controls the first fire extinguishing apparatus 1 to be activated according to detection signals of the temperature sensor 81 and the smoke sensor 82.
Preferably, a temperature sensor 81 and a smoke sensor 82 are provided on the top of the enclosed area 7 in order to detect the internal environment of the enclosed area 7.
In addition, the fire extinguishing agent of the second fire extinguishing apparatus 2 is not specifically limited in this embodiment, and as a preferable scheme, on the basis of the above embodiment, the fire extinguishing agent of the second fire extinguishing apparatus 2 includes a dry ice carbon dioxide fire extinguishing agent.
It can be understood that the dry ice carbon dioxide fire extinguishing agent can be rapidly cooled to reduce the ignition temperature and reduce the concentration of combustion promoters such as oxygen and the like to achieve the purpose of rapidly extinguishing fire.
Preferably, the second fire extinguishing apparatus 2 includes a second fire fighting cabinet 21 for containing fire extinguishing agent and a second fire fighting pipe 22 connected to each energy storage battery module in a one-to-one correspondence, the second fire fighting pipe 22 is provided with a control valve 6 for controlling the connection or disconnection of the corresponding second fire fighting pipe 22, the control valve 6 is connected to the fire control apparatus, so as to control the corresponding control valve 6 to open through the fire control apparatus, so as to connect the energy storage battery module corresponding to the control valve 6 to the second fire extinguishing apparatus 2.
Preferably, the first fire hose 12 and the second fire hose 22 are provided with fire sprinklers 23, respectively.
The first fire protection cabinet 11 and the second fire protection cabinet 21 are preferably provided in one and the same hybrid fire protection cabinet.
Further, the second extinguishing device 2 is preferred including locating the temperature sensor 81 in each energy storage battery module for survey the temperature variation in the energy storage battery module that corresponds, temperature sensor 81 links to each other with fire control controlling means, when the high local thermal runaway that takes place of temperature in a certain energy storage battery module, makes fire control controlling means control this thermal runaway energy storage battery module corresponding control valve 6 open, in order to put out a fire to this energy storage battery module.
In addition, this embodiment does not specifically limit the fire extinguishing agent of outside secondary gas extinguishing device 3, and the fire extinguishing agent of outside secondary gas extinguishing device 3 can be the same with the fire extinguishing agent of first extinguishing device 1, also can be the same with the fire extinguishing agent of second extinguishing device 2, and of course, the fire extinguishing agent of outside secondary gas extinguishing device 3 also can be different with the fire extinguishing agent of first extinguishing device 1 and second extinguishing device 2, and the fire extinguishing agent of outside secondary gas extinguishing device 3 preferably adopts with low costs, the environmental hazard is less, do not have corrosive gas to equipment.
As a preferable mode, on the basis of the above-described embodiment, the fire extinguishing agent of the external secondary gas fire extinguishing device 3 includes a low-pressure carbon dioxide fire extinguishing gas, nitrogen gas, mixed inert gas, heptafluoropropane fire extinguishing gas, hexafluoropropane fire extinguishing gas, perfluorohexanone fire extinguishing gas, or dry ice carbon dioxide fire extinguishing agent.
Further, in view of the convenience of the external secondary gas fire-extinguishing device 3 in obtaining the fire-extinguishing agent, on the basis of the above-described embodiment, the external secondary gas fire-extinguishing device 3 includes a secondary fire-extinguishing agent manufacturing device and/or a secondary fire-extinguishing agent storage device.
As the name suggests, the secondary fire extinguishing agent manufacturing device can temporarily manufacture the fire extinguishing agent; the secondary fire extinguishing agent storage device is usually used for storing the fire extinguishing agent so as to ensure that the secondary fire extinguishing agent can be supplied.
It can be understood that when one external secondary gas fire-extinguishing device 3 is provided for each enclosed area 7, equipment waste is easily caused, and in order to arrange the external secondary gas fire-extinguishing devices 3 reasonably, on the basis of the above-described embodiment, a single external secondary gas fire-extinguishing device 3 is connected to the secondary fire-extinguishing gas connections 71 of N enclosed areas 7 through an external fire-fighting pipe network, N being a positive integer greater than or equal to 2.
That is, in the present embodiment, the same external secondary gas fire extinguishing device 3 is shared by the N enclosed areas 7, so as to prevent redundant idling and waste of the external secondary gas fire extinguishing device 3.
It should be noted that, in this embodiment, specific values of N are not limited, and those skilled in the art can set the values according to actual requirements.
Further, considering that the probability of a fire occurring simultaneously in N external secondary-gas fire extinguishing devices 3 is low in a normal case, in order to appropriately match the amount of fire extinguishing agent used in a single external secondary-gas fire extinguishing device 3, in addition to the above-described embodiment, 20% N to 50% of the amount of secondary fire extinguishing agent used in N closed regions 7 is arranged in a single external secondary-gas fire extinguishing device 3.
For example, when the value of N is ten, that is, ten closed regions 7 share the same external secondary gas fire extinguishing device 3, it is preferable to allocate the amounts of the secondary fire extinguishing agents of the two closed regions 7 to the external secondary gas fire extinguishing device 3.
It will be appreciated that the external fire fighting network is provided with at least N control valves 6 for controlling the communication of the single enclosed area 7 with the external secondary gas fire extinguishing device 3, respectively.
In addition, considering that the temperature sensor 81 and the smoke sensor 82 arranged in the closed area 7 and the temperature sensor 81 arranged in the energy storage battery module may fail in the middle and later stages of a fire, in order to effectively control the start time of the external secondary gas fire extinguishing apparatus 3, on the basis of the above embodiment, the fire extinguishing apparatus further comprises a gas detector 4 arranged in the closed area 7 and used for detecting the content of combustible gas, wherein the gas detector 4 is connected with the fire control apparatus, so that the fire control apparatus calculates the upper and lower explosion limits of the combustible gas according to the detection signal of the gas detector 4, thereby controlling the start time of the external secondary gas fire extinguishing apparatus 3.
That is, the fire control device performs comprehensive evaluation according to the detection data of the gas detector 4 received by the fire control device, and controls the external secondary gas fire extinguishing device 3 to start after giving an operation scheme.
It should be noted that the present embodiment does not limit the specific type of the gas detector 4, for example, the gas detector 4 may be a carbon monoxide detector, a hydrogen detector, a methane detector, or the like.
In addition, the specific number of the gas detectors 4 is not limited in this embodiment, and the gas detectors 4 may be used in combination with a plurality of different gas detectors 4.
In view of the safety of personnel, on the basis of the above-described embodiment, the external secondary-gas fire extinguishing device 3 includes a manual control valve so that the maintenance personnel manually activates the external secondary-gas fire extinguishing device 3 according to the calculation result of the control device.
That is, after the fire fighting control device gives an operation plan based on the detection data of the gas detector 4, it is judged by a human whether it is safe, and in the case of determining the safety of the person, the manual control valve is opened to start the external secondary gas fire extinguishing device 3.
It should be noted that the internal fire fighting piping of the external secondary gas fire extinguishing device 3 can be provided with an automatic control valve 6 to replenish the specific enclosed area 7 with secondary fire extinguishing agent by controlling the control valve 6 of the internal fire fighting piping corresponding to the specific enclosed area 7 when the manual control valve is opened.
In view of the convenience of the operation of the external secondary gas fire extinguishing device 3, on the basis of the above-described embodiment, the station-level fire control rooms 5 provided in one-to-one correspondence with the external secondary gas fire extinguishing devices 3 are further included.
Therefore, the utility model discloses energy storage power station level's notion has been proposed for the first time to come more convenient outside secondary gas extinguishing device 3 of control through setting up station level fire control room 5.
It is further noted that, in the present specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
It is right above that the utility model provides an energy storage power station fire extinguishing systems has carried out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (10)
1. An energy storage power station fire suppression system, comprising:
-a first extinguishing device (1) arranged inside the enclosed area (7) for releasing an extinguishing agent into the enclosed area (7) for extinguishing the environment inside the enclosed area (7);
the second fire extinguishing device (2) is arranged in the closed area (7) and is used for releasing fire extinguishing agents to the interior of each energy storage battery module in the closed area (7) so as to extinguish the fire of the single energy storage battery module with local thermal runaway;
the external secondary gas fire extinguishing device (3) is arranged outside the closed area (7) and is connected with a secondary fire extinguishing gas interface (71) of the closed area (7) through an external fire fighting pipeline, and the secondary fire extinguishing gas interface (71) supplements a secondary fire extinguishing agent for the closed area (7) and/or each energy storage battery module through an internal fire fighting pipeline;
the fire control device is used for controlling the first fire extinguishing device (1), the second fire extinguishing device (2) and the external secondary gas fire extinguishing device (3) to work in coordination and orderly.
2. The energy storage power station fire suppression system according to claim 1, characterized in that the external secondary gas fire suppression device (3) includes a secondary fire suppressant manufacturing device and/or a secondary fire suppressant storage device.
3. Energy storage power station fire extinguishing system according to claim 1, characterized in that a single external secondary gas fire extinguishing device (3) is connected to the secondary fire extinguishing gas connections (71) of N enclosed areas (7) through an external fire fighting pipe network, N being a positive integer greater than or equal to 2.
4. Energy storage power station fire extinguishing system according to claim 3, characterized in that a single external secondary gas fire extinguishing device (3) is provided with a secondary extinguishing agent dosage of 20-50% N of the enclosed areas (7).
5. The energy storage power station fire extinguishing system according to any one of claims 1 to 4, characterized by further comprising a gas detector (4) arranged in the enclosed area (7) and used for detecting the content of combustible gas, wherein the gas detector (4) is connected with the fire control device, so that the fire control device calculates the upper and lower explosion limits of the combustible gas according to the detection signal of the gas detector (4).
6. Energy storage power station fire extinguishing system according to claim 5, characterized in that the external secondary gas fire extinguishing device (3) comprises a manual control valve to enable maintenance personnel to manually activate the external secondary gas fire extinguishing device (3) according to the calculation of the control device.
7. The energy storage power station fire suppression system of claim 5, further comprising station level fire control rooms (5) disposed in one-to-one correspondence with the external secondary gas fire suppression devices (3).
8. The energy storage power station fire suppression system according to any one of claims 1-4, characterized in that the fire extinguishing agent of the first fire extinguishing device (1) comprises heptafluoropropane fire extinguishing gas, hexafluoropropane fire extinguishing gas or perfluorohexanone fire extinguishing gas.
9. The energy storage power station fire suppression system according to any one of claims 1-4, characterized in that the fire extinguishing agent of the second fire extinguishing device (2) comprises a dry ice carbon dioxide fire extinguishing agent.
10. The energy storage power plant fire extinguishing system according to any one of claims 1-4, characterized in that the fire extinguishing agent of the external secondary gas fire extinguishing device (3) comprises low pressure carbon dioxide fire extinguishing gas, nitrogen, mixed inert gas, heptafluoropropane fire extinguishing gas, hexafluoropropane fire extinguishing gas, perfluorohexanone fire extinguishing gas or dry ice carbon dioxide fire extinguishing agent.
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Effective date of registration: 20240401 Address after: Room 407, Building 7, No. 6 Libin Road, Songshanhu Park, Dongguan City, Guangdong Province, 523808 Patentee after: CR POWER TECHNOLOGY INSTITUTE Co.,Ltd. Country or region after: China Address before: 518000 Room 201, building A, No. 1, Qian Wan Road, Qianhai Shenzhen Hong Kong cooperation zone, Shenzhen, Guangdong (Shenzhen Qianhai business secretary Co., Ltd.) Patentee before: HUARUN WISDOM ENERGY Co.,Ltd. Country or region before: China |