CN219941641U - Pumped storage generator motor with fire extinguishing system - Google Patents
Pumped storage generator motor with fire extinguishing system Download PDFInfo
- Publication number
- CN219941641U CN219941641U CN202320476203.2U CN202320476203U CN219941641U CN 219941641 U CN219941641 U CN 219941641U CN 202320476203 U CN202320476203 U CN 202320476203U CN 219941641 U CN219941641 U CN 219941641U
- Authority
- CN
- China
- Prior art keywords
- bottle
- gas
- fire
- generator motor
- controller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000007789 gas Substances 0.000 claims description 94
- 239000000779 smoke Substances 0.000 claims description 15
- 230000000007 visual effect Effects 0.000 claims description 9
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical group [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 8
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 6
- 229910052786 argon Inorganic materials 0.000 claims description 4
- 239000001569 carbon dioxide Substances 0.000 claims description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 4
- UKACHOXRXFQJFN-UHFFFAOYSA-N heptafluoropropane Chemical group FC(F)C(F)(F)C(F)(F)F UKACHOXRXFQJFN-UHFFFAOYSA-N 0.000 claims description 4
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 claims description 2
- 230000002427 irreversible effect Effects 0.000 abstract description 4
- 238000004146 energy storage Methods 0.000 abstract description 2
- 230000001276 controlling effect Effects 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 238000010248 power generation Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 101150054854 POU1F1 gene Proteins 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000013043 chemical agent Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Landscapes
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model relates to the technical field of auxiliary equipment of energy storage power stations, in particular to a pumped storage generator motor with a fire-fighting system, which comprises at least one group of unit controllers, an alarm controller and at least one group of fire extinguishing devices; the input end of the alarm controller is connected with the unit controller through wires, and the output end of the alarm controller is connected with a ball valve through wires; the fire extinguishing device comprises a starting bottle, a gas discharge bottle and a plurality of nozzles, wherein the output end of the starting bottle is connected with a unit controller through wires, and the output end of the starting bottle is connected with the gas discharge bottle and used for controlling the gas discharge bottle to be opened and closed; the nozzles are circumferentially distributed in the generator motor pit and are communicated with the gas discharge bottle through a pipeline gas circuit; the ball valve is arranged on the pipeline and used for controlling the on-off of a pipeline gas circuit; the gas medium for extinguishing fire is arranged in the gas release bottle, so that irreversible damage to electrical equipment caused by fire extinguishing or misoperation extinguishing can be avoided.
Description
Technical Field
The utility model relates to the technical field of auxiliary equipment of energy storage power stations, in particular to a pumped storage power generation motor with a fire protection system.
Background
The existing power generation motor fire control of the pumped storage power station is mostly water fire control, the water fire control has the characteristic of quick fire extinguishing, but aiming at electric equipment such as a power generation motor, water is used as a fire control medium when a fire disaster occurs, the fire can be quickly extinguished, but irreversible damage can be caused to the power generation motor and the electric equipment attached to the power generation motor, short circuit is caused, and insulation is reduced. And when the fire control is set to be automatic spraying, the risk of misoperation is unavoidable, and if the fire control is sprayed by misoperation during normal operation of the unit, serious equipment accidents can be caused.
Disclosure of Invention
In order to facilitate rapid fire extinguishing and avoid electrical equipment from causing irreversible damage and electrical short circuit due to fire extinguishing or misoperation fire extinguishing, thereby causing major equipment accidents, the utility model provides a pumped storage generator motor with a fire extinguishing system. The following technical scheme is adopted:
a pumped storage generator motor with a fire extinguishing system comprises a generator motor, at least one group of unit controllers, an alarm controller and at least one group of fire extinguishing devices;
the input end of the alarm controller is connected with the unit controller through wires, and the output end of the alarm controller is connected with a ball valve through wires;
the fire extinguishing device comprises a starting bottle, a gas discharge bottle and a plurality of nozzles, wherein the output end of the starting bottle is connected with a unit controller through wires, and the output end of the starting bottle is connected with the gas discharge bottle and used for controlling the gas discharge bottle to be opened and closed;
the nozzles are circumferentially distributed in the generator motor pit and are communicated with the gas discharge bottle through a pipeline gas circuit;
the ball valve is arranged on the pipeline and used for controlling the on-off of a pipeline gas circuit;
the gas release bottle is internally provided with a gas medium for extinguishing fire.
Optionally, the unit controller comprises a smoke detector, a temperature detector, a gas fire extinguishing controller, an audible and visual alarm and a gas release alarm;
the input end of the gas fire-extinguishing controller is respectively connected with the smoke detector and the temperature detector through wires;
the output end of the gas fire extinguishing controller is respectively connected with an audible and visual alarm, a gas release alarm, a starting bottle and an alarm controller through wires;
the smoke detector and the temperature detector are arranged in the generator motor pit and are used for detecting fire.
Optionally, the unit controller may be set to 1-5 groups, and the fire extinguishing device is configured to 1-5 groups;
a generator motor pit is internally provided with a group of unit controllers and a group of fire extinguishing devices.
Optionally, selection valves are respectively arranged between the connection of the starting bottles and the deflation bottles in the fire extinguishing device, and each selection valve corresponds to a corresponding unit controller;
the input end of the selector valve is connected with a signal feedback device, and the signal feedback device is connected with the starting bottle through wires and is connected with the unit controller.
Optionally, ball valves are arranged on pipeline gas paths of the nozzles in the fire extinguishing device and the gas discharging bottle;
the ball valves are internally provided with micro switches, and a plurality of ball valves are connected with the output end of the alarm controller through wires.
Optionally, a pressure relief device for exhausting is arranged on the pit wall of the generator motor pit.
Optionally, the starting bottle comprises a main starting bottle and a standby starting bottle;
the air release bottle comprises a main air bottle and a standby air release bottle.
Optionally, the output end of the gas fire-extinguishing controller is connected with a monitoring system and an alarm system through wires.
Optionally, the gas medium is argon or nitrogen or carbon dioxide or a mixed gas of two or more of the three.
Optionally, the gaseous medium is heptafluoropropane.
In summary, the utility model has the following beneficial effects:
1. the utility model adopts the conventional water medium to be changed into the gas medium for fire protection, and the pit is filled with quantitative gas concentration according to fire protection standards, and spare gas is prepared at the same time, so that the fire extinguishing concentration can reach the dipping time regulated and regulated, and the fire in the pit is extinguished.
2. The gas medium can be chemical agent (usually heptafluoropropane) or inert gas (argon, nitrogen, carbon dioxide or mixed gas) according to the requirement, has strong selectivity, can select different gases according to the requirement to control the cost, and the selected medium is nontoxic, colorless, odorless, non-corrosive and non-conductive, does not support combustion, does not cause irreversible damage to a generator motor and auxiliary electrical equipment thereof during fire extinguishment, causes short circuit, reduces insulation and can avoid major equipment accidents.
3. The utility model is configured with the pressure relief device, when a fire is extinguished, the pressure relief device is only required to be opened for exhaust, equipment inspection and treatment can be carried out, and the equipment is convenient to remove and maintain after the fire.
4. The smoke detector and the temperature detector are adopted to detect fire at the same time, and the smoke detector and the temperature detector are required to simultaneously sense actions to trigger the ball valve to open the pipeline gas path for fire extinguishing, so that misoperation can be avoided, air injection is performed by misoperation when the unit normally operates, and the gas injection is adopted for fire extinguishing, and even if misoperation occurs, electrical short circuit fault can not occur.
Drawings
FIG. 1 is a schematic view of the overall structure of the fire extinguishing system of the present embodiment;
FIG. 2 is a control flow chart of the fire protection system of the present embodiment;
fig. 3 is a schematic diagram of the structure of the pressure relief device in the motor pit of the generator according to the present embodiment.
Reference numerals illustrate: 1. a generator motor pit; 2. a nozzle; 3. starting the bottle; 4. a gas discharge bottle; 5. a pressure relief device; 6. and a shutter.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-2.
The embodiment of the utility model discloses a pumped storage generator motor with a fire-fighting system, which comprises a generator motor, at least one group of unit controllers, an alarm controller and at least one group of fire-extinguishing devices, wherein the unit controllers and the fire-extinguishing devices can be configured according to the number of actual generator motors, and the group of unit controllers and the group of fire-extinguishing devices are installed and configured in a generator motor pit 1.
The alarm controller can be connected with a plurality of groups of unit controllers at the same time, and in order to avoid overlarge load of the alarm controller, the unit controllers connected with the alarm controller can be preferably set into 4 groups, and the fire extinguishing device is configured into 4 groups.
The unit controller comprises a smoke detector, a temperature detector, a gas fire extinguishing controller, an audible and visual alarm and a gas release alarm. The smoke detector and the temperature detector are respectively connected with the input end of the gas fire extinguishing controller through electric signal wires, and are both positioned in the generator motor pit 1 and used for detecting whether fire exists in the sensor pit.
The output end of the gas fire-extinguishing controller is connected with the audible and visual alarm and the gas release alarm through signal lines respectively, when a fire disaster is detected, the gas fire-extinguishing controller gives an alarm through controlling the audible and visual alarm, when the fire extinguishing device starts to release gas to extinguish fire, the gas fire-extinguishing controller gives an alarm through controlling the gas release alarm, people are prevented from approaching, and personnel safety during fire extinguishment is ensured.
The gas fire-extinguishing controller is externally connected with a computer monitoring system and a factory building fire alarm system, when a fire disaster is detected, the gas fire-extinguishing controller feeds signals back to the monitoring system and the fire alarm system, sends out alarm information, informs patrol personnel to patrol on site and process related things, and can evacuate other personnel simultaneously.
The fire extinguishing device comprises a starting bottle 3, a deflation bottle 4 and a plurality of nozzles 2, wherein the nozzles 2 are circumferentially distributed in a generator motor pit 1, the nozzles 2 are connected with the same gas circuit and are communicated with the deflation bottle 4 through pipeline gas circuits, a pressure reducing device, a selection valve and a ball valve are sequentially arranged on the pipeline where the deflation bottle 4 is communicated with the nozzles 2 along the gas injection direction, a micro-switch is arranged in the ball valve, the input end of the ball valve is connected with an alarm controller, and the alarm controller sends out a signal to control the micro-switch in the ball valve, so that the on-off of the pipeline gas circuit is controlled.
A selection valve is arranged between the connection of the starting bottle 3 and the deflation bottle 4 in the plurality of fire extinguishing devices, each selection valve corresponds to a corresponding unit controller, ball valves and pressure reducing devices are arranged on pipeline gas paths of the nozzles 2 and the deflation bottles 4 in the plurality of fire extinguishing devices, the ball valves are connected with output ends of alarm controllers through wires, the ball valves are used for controlling the on-off of the pipeline gas paths, and the pressure reducing devices are used for adjusting the pressure of gas in the pipeline gas paths.
The starting position of the starting bottle 3 is provided with an electromagnetic valve, the electromagnetic valve is connected with a gas fire-extinguishing controller through a wire, the gas fire-extinguishing controller controls the starting bottle 3 to be opened and closed through controlling the electromagnetic valve to act, the output end of the selection valve is connected with the gas releasing bottle 4, the output end of the selection valve is connected with the electromagnetic valve of the starting bottle 3, the electromagnetic valve of the starting bottle 3 acts and selects a corresponding selection valve, and the selection valve controls the selection of a corresponding pipeline gas circuit and opens the gas releasing bottle 4 to release gas.
A signal feedback device is arranged between the selector valve and the ball valve, the input end of the selector valve is connected with the signal feedback device, the signal feedback device is connected with the starting bottle 3 through wires and is connected with the gas fire extinguishing controller, and the signal feedback device is used for detecting whether gas exists in a pipeline gas circuit and feeding back to the gas fire extinguishing controller so as to trigger the opening and closing of the gas release alarm.
The output end of the gas fire extinguishing controller is connected with the input end of the fire alarm controller of the unit through a 24V power supply signal line, the output end of the alarm controller is connected with the ball valve, the alarm controller is used for identifying signals of the smoke detector and the temperature detector fed back by the gas fire extinguishing controller and judging whether the signals are sent out simultaneously, if yes, the ball valve is triggered to open a pipeline gas circuit and control the fire extinguishing device to extinguish fire, if not, the pipeline gas circuit is closed, and misoperation of the fire extinguisher is avoided.
The generator pit is provided with four nozzles 2, the input end of the generator pit fire alarm controller can be connected with four generator pit controllers, the output end of the generator pit fire alarm controller can be connected with four ball valves, and the four selector valves are used for connecting four pipeline gas paths for the four generator pit controllers.
The pressure relief device 5 is located machine hole pit wall for exhaust, pressure relief device 5 adopts press device, and it runs through the machine hole, is equipped with shutter 6 on its outer wall that is located the machine hole, and convenient exhaust can be opened pressure relief device 5 by hand and is discharged when the condition of a fire is put out, discharges the gas in the machine hole, is convenient for carry out the inspection and the processing of equipment.
The starting bottle 3 includes main starting bottle 3 and reserve starting bottle 3, and main starting bottle 3 is used for conventional fire extinguishing demand, and reserve starting bottle 3 is generally a main starting bottle 3 configuration reserve starting bottle 3, and the start is joined in marriage and is used starting bottle 3 when can preventing main starting bottle 3 to break down, avoids missing the best time of putting out a fire, leads to the intensity of a fire to spread, and gassing bottle 4 also divide into main gassing bottle 4 and reserve gassing bottle 4, and main gassing bottle 4 is 1 with reserve gassing bottle 4: 1, 1-N standby gas discharge cylinders 4 can be configured according to requirements, and the standby gas discharge cylinders are used for preventing the requirement of fire extinguishing consumption when the fire is too large.
The utility model changes the conventional water medium fire control into the gas medium fire control. And (3) determining the number of the main gas discharging bottle 4 and the number of the spare gas bottles after calculating the fire extinguishing design consumption according to a formula of the gas consumption of the fire extinguishing standard full machine pit. The calculation formula is as follows:
w=fire extinguishing design amount or inerting design amount in the formula;
k=altitude correction factor;
v=guard zone net volume (m 3 )；
S=specific volume of fire extinguishing agent gas at 101KPa atmospheric pressure and minimum ambient temperature in the protected zone (m 3 /kg)；
C1 =fire-extinguishing design concentration or inerting design concentration (%).
The gas medium can be chemical agent (common heptafluoropropane) or inert gas (argon, nitrogen, carbon dioxide or mixed gas) according to the requirement, the selectivity is strong, and different gases can be selected according to the requirement to control the cost.
The control method of the fire control system is as follows:
when any smoke detector or temperature detector senses that excessive smoke or temperature is too high, an induction signal is output to a gas fire extinguishing controller, the gas fire extinguishing controller triggers an audible and visual alarm and sends out audible and visual alarm, a corresponding fire extinguishing pipeline ball valve is directly opened, a signal is sent to a computer monitoring system, alarm information is sent out and uploaded to a central control room for fire disaster broadcasting, a relevant fan is controlled to be turned off, and relevant staff conduct on-site emergency treatment according to the alarm.
The fire alarm controller needs to detect whether the smoke detector and the temperature detector trigger simultaneously to sense and send out signals simultaneously, if not, the fire alarm controller only enters the computer monitoring system and sends out alarm information to inform relevant staff to check whether equipment in the pit is faulty or not, and whether fire is misjudged or not is detected.
If the system judges that one or more actions exist on the smoke detector and the temperature detector at the same time, the gas fire extinguishing controller enters a program to set a delay time for 30s, and in the delay time for 30s, on-site workers need to arrive at an alarm site and observe whether fire occurs or not to start or stop equipment in an emergency mode according to the on-site condition.
After the time delay is 30s, if the staff is not intervened in manual stop, the gas fire extinguishing controller automatically triggers the unit to execute the tripping program of the generator motor breaker and the magnetic field breaker, and triggers the starting bottle 3 of the corresponding fire alarm area, the starting bottle 3 passes through the corresponding selection valve and opens the deflation valve of the deflation bottle 4, the deflation bottle 4 is deflated, and the fire extinguishing is carried out through the pipeline gas circuit via the nozzle 2.
When the fire is extinguished, the pressure relief device 5 can be opened manually for exhausting.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (10)
1. A pumped storage generator motor with a fire protection system is characterized in that: comprises a generator motor, at least one group of unit controllers, an alarm controller and at least one group of fire extinguishing devices;
the input end of the alarm controller is connected with the unit controller through wires, and the output end of the alarm controller is connected with a ball valve through wires;
the fire extinguishing device comprises a starting bottle, a gas discharge bottle and a plurality of nozzles, wherein the output end of the starting bottle is connected with a unit controller through wires, and the output end of the starting bottle is connected with the gas discharge bottle and used for controlling the gas discharge bottle to be opened and closed;
the nozzles are circumferentially distributed in the generator motor pit and are communicated with the gas discharge bottle through a pipeline gas circuit;
the ball valve is arranged on the pipeline and used for controlling the on-off of a pipeline gas circuit;
the gas release bottle is internally provided with a gas medium for extinguishing fire.
2. A pumped storage generator motor with fire protection system as set forth in claim 1, wherein: the unit controller comprises a smoke detector, a temperature detector, a gas fire extinguishing controller, an audible and visual alarm and a gas release alarm;
the input end of the gas fire-extinguishing controller is respectively connected with the smoke detector and the temperature detector through wires;
the output end of the gas fire extinguishing controller is respectively connected with an audible and visual alarm, a gas release alarm, a starting bottle and an alarm controller through wires;
the smoke detector and the temperature detector are arranged in the generator motor pit and are used for detecting fire.
3. A pumped storage generator motor with fire protection system as set forth in claim 1, wherein: the unit controller can be arranged into 1-5 groups, and the fire extinguishing device is configured into 1-5 groups;
a generator motor pit is internally provided with a group of unit controllers and a group of fire extinguishing devices.
4. A pumped storage generator motor with fire protection system as claimed in claim 3, wherein: a selection valve is arranged between the connection of the starting bottle and the deflation bottle in the fire extinguishing device, and each selection valve corresponds to a corresponding unit controller;
the input end of the selector valve is connected with a signal feedback device, and the signal feedback device is connected with the starting bottle through wires and is connected with the unit controller.
5. A pumped storage generator motor with fire protection system as claimed in claim 3, wherein: ball valves are arranged on pipeline gas paths of the nozzles in the fire extinguishing devices communicated with the deflation bottles;
the ball valves are internally provided with micro switches, and a plurality of ball valves are connected with the output end of the alarm controller through wires.
6. A pumped storage generator motor with fire protection system as set forth in claim 1, wherein: and a pressure relief device for exhausting is arranged on the pit wall of the generator motor pit.
7. A pumped storage generator motor with fire protection system as set forth in claim 1, wherein: the starting bottle comprises a main starting bottle and a standby starting bottle;
the air release bottle comprises a main air bottle and a standby air release bottle.
8. A pumped storage generator motor with fire protection system as set forth in claim 2, wherein: and the output end of the gas fire extinguishing controller is connected with a monitoring system and an alarm system through wires.
9. A pumped storage generator motor with fire protection system as set forth in claim 1, wherein: the gas medium is argon or nitrogen or carbon dioxide.
10. A pumped storage generator motor with fire protection system as set forth in claim 1, wherein: the gaseous medium is heptafluoropropane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320476203.2U CN219941641U (en) | 2023-03-06 | 2023-03-06 | Pumped storage generator motor with fire extinguishing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320476203.2U CN219941641U (en) | 2023-03-06 | 2023-03-06 | Pumped storage generator motor with fire extinguishing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219941641U true CN219941641U (en) | 2023-11-03 |
Family
ID=88555700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320476203.2U Active CN219941641U (en) | 2023-03-06 | 2023-03-06 | Pumped storage generator motor with fire extinguishing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219941641U (en) |
-
2023
- 2023-03-06 CN CN202320476203.2U patent/CN219941641U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111643834B (en) | A fire-fighting device for a container energy storage system and its control method | |
| CN110634262A (en) | A fire warning method for battery prefabricated compartment of lithium iron phosphate energy storage power station | |
| CN110102001B (en) | Fire-fighting linkage control system | |
| CN111870843A (en) | Wireless fire fighting system for energy storage station and control method thereof | |
| CN110270032B (en) | Fire prevention and control device of lithium ion battery energy storage system and implementation method | |
| CN114648849A (en) | A fire-fighting linkage device, control method and energy storage power station | |
| CN110038240A (en) | A kind of gas concentration automatic detection alarm and datonation-inhibition fire extinguishing linkage system | |
| CN110613904A (en) | Fire fighting strategy for battery prefabricated cabin arranged in double layers of lithium iron phosphate energy storage power station | |
| CN105664405A (en) | Fire detection pipe automatic fire extinguishing device used in alternating-current and direct-current power system in transformer substation | |
| CN215691203U (en) | An early warning system for thermal runaway of energy storage battery | |
| CN110649332A (en) | Explosion-proof strategy for battery prefabricated cabin of lithium iron phosphate energy storage power station | |
| CN114694338A (en) | Intelligent building fire-fighting monitoring system and monitoring method thereof | |
| CN110101992A (en) | A kind of electric fire-control linked system based on photovoltaic building | |
| CN210644901U (en) | Fire extinguishing device of energy storage box | |
| CN109603035A (en) | A kind of power distribution cabinet counterflow negative quick and automatic fire extinguishing system and its application method | |
| CN219941641U (en) | Pumped storage generator motor with fire extinguishing system | |
| CN116020070A (en) | Fire extinguishing system of lithium battery energy storage station | |
| CN213347536U (en) | Energy storage fire extinguishing system | |
| CN215231740U (en) | Fire extinguishing system suitable for fire prevention and control of energy storage power station | |
| CN220588775U (en) | Battery box fire extinguishing system based on liquid nitrogen and carbon dioxide | |
| JP3440153B2 (en) | Fire extinguisher | |
| CN212789502U (en) | Big data computer lab protection device | |
| CN116889696A (en) | High-pressure carbon dioxide fire extinguishing system, operation method thereof and ship | |
| CN116236733A (en) | Improved bearing fixed fire extinguishing system of conventional island steam engine of nuclear power station | |
| CN213724586U (en) | Intelligent water fire control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |