CN209221399U - A kind of novel perfluoro hexanone combination distribution automatic control type fire extinguishing system - Google Patents
A kind of novel perfluoro hexanone combination distribution automatic control type fire extinguishing system Download PDFInfo
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- CN209221399U CN209221399U CN201820705305.6U CN201820705305U CN209221399U CN 209221399 U CN209221399 U CN 209221399U CN 201820705305 U CN201820705305 U CN 201820705305U CN 209221399 U CN209221399 U CN 209221399U
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Abstract
The utility model belongs to field of fire fighting equipment, and in particular to a kind of novel perfluoro hexanone combination distribution automatic control type fire extinguishing system.Its extinguishing chemical of this fire extinguishing system uses fire-extinguishing agent perfluor hexanone, the extinguishing chemical is colourless, nontoxic, insulating properties is high, trace is left no residue after fire extinguishing, not will cause the secondary injury of personnel when discharging extinguishing chemical, can security application in the fire extinguishing demand of the particular fields such as 24 hours someone, precision instrument, valuables general place in one's power；Extinguishing agent storage bottle uses air-liquid mixed technology, and gas filling pressure is not more than 0.5 times of fire extinguishing system operating pressure, can make full use of extinguishing agent storage bottle use space and the effective, safety of each valve part of safety assurance and durability；Fire extinguishing system is met various guard plot requirements, reduces the construction cost of fire extinguishing system, improved the cost performance of fire extinguishing system using combination distribution centralized control, independent distribution centralized control and independent distribution independent control work pattern.
Description
Technical field
The utility model belongs to field of fire fighting equipment, and in particular to a kind of novel perfluoro hexanone combination distribution automatic control type
Fire extinguishing system.
Background technique
Common gas extinguishing system domestic at present is seven flourin propane fire extinction system, as used by the fire extinguishing system
Its Global Greenhouse Effect latent energy value of firing-fighting medium heptafluoro-propane GWP is relatively high and extinguishing design concentrations reach 7%~9%, after fire extinguishing
Retention time is long in an atmosphere for the gas of generation, have certain corrosion and toxic side effects, be unable to security application in normal someone,
The fire extinguishing of the Code in Hazardous Special Locations such as precision instrument, canyon.Existing country's perfluor hexanone class fire extinguishing system still in zero use state, for
In published perfluor hexanone class fire extinguishing system patented technology, one of technology makes extinguishing agent storage device often be in high voltage standby
Pressure condition, be on the one hand unfavorable for extinguishing chemical it is abundant, be efficiently used, while be also not easy to extinguishing agent storage device later period dimension
Shield, in the presence of dangerous with certain safety wind when for using a large amount of extinguishing agent storage devices；Another technology uses standby pressure skill
Art, on the one hand such technology does not utilize the timely conveying of extinguishing chemical, while extinguishing agent storage device and respective valves accessory are usual
In passive state, its safety and durability can be reduced under the direct effect of driving gas source when starting fire extinguishing system.It faces
When some guard plot quantity are more, structure is different, form is complicated, be not easy to fire extinguishing system concentration design, control when more than two
Kind technology perfect cannot meet, and in order to overcome the deficiencies of the prior art, the utility model proposes a kind of safe and efficient and patterns
Flexibly, changeable perfluor hexanone automatic fire extinguishing system.
Utility model content
The purpose of the present invention is: adhere to " energy conservation " " environmental protection " for purport, in conjunction with " new technology " " new process " innovative idea,
Provide a kind of novel perfluoro hexanone combination distribution automatic control type fire extinguishing system.This fire extinguishing system firing-fighting medium uses a kind of new
Type extinguishing chemical perfluor hexanone, this extinguishing chemical is nontoxic, colourless and insulating properties is high, to human body without secondary injury after release, after fire extinguishing not
Stay any leftover traces, non-corrosive and extinguishing concentration is lower than heptafluoro-propane, and retention time only has 0.014 in an atmosphere, entirely
The ball coefficient that warms is only 1, ensure that safety and the feature of environmental protection when firing-fighting medium uses and after use；Using driving gas source as
While extinguishing chemical power source, the drive no more than 0.5 times of fire extinguishing system operating pressure is filled in advance in extinguishing agent storage device
It takes offence source, is in package unit often under low-pressure state, be not only convenient for the later maintenance of extinguishing agent storage device, but also substantially increase
The safety in utilization and durability of extinguishing agent storage device and other valve parts；Using a kind of a variety of patterns of system, can concentrate
Design, control, can also region design, control, effectively, reliably improve the practicability of fire extinguishing system, while again can abundant benefit
With firing-fighting medium, achieve the purpose that accurate, efficient, energy-saving and environmental protection.
The technical way that the present invention uses has: using extinguishing chemical and driving gas Mixing charge, in advance in extinguishing chemical
The gas source no more than 0.5 times of fire extinguishing system operating pressure is filled in storage bottle；Extinguishing chemical mainly drives gas source to be stored up by driving gas
Bottle is deposited to be independently supplied；Fire extinguishing system is using combination distribution centralized control, independent distribution centralized control and independent distribution independent control
Work pattern meets various guard plot requirements, reduces the construction cost of fire extinguishing system, improves the property of fire extinguishing system
Valence ratio.
The technical solution adopted by the present invention is that: a kind of novel perfluoro hexanone combination distribution automatic control type fire extinguishing system is main
It is single by extinguishing agent storage unit, driving unit, extinguishing chemical supply unit, extinguishing chemical releasing unit, fire extinguishing system control and alarm
Member composition.Extinguishing agent storage unit includes: extinguishing agent storage bottle 1, extinguishing agent storage bottle bottle valve 2, solenoid valve 3 and extinguishing chemical storage
The fixed device 7 of bottle is deposited, extinguishing agent storage bottle 1 is equipped with bottle head interface 101 and gas source input port 102, extinguishing agent storage bottle bottle valve 2
203,204 and of solenoid valve interface are exported equipped with extinguishing chemical bottle pressure table interface 201, extinguishing chemical bottle overpressure relief mouth 202, extinguishing chemical
Spare interface 205；Driving unit includes: driving gas storage bottle 4, driving gas cylinder bottle valve 5, pressure reducing valve 6 and solenoid valve 3；It drives
4 material of body storage bottle of taking offence uses steel alloy and carbon fiber, and bottle valve 5 is equipped with outlet interface 501, driving cylinder pressure gauge
Interface 502, driving gas cylinder overpressure relief mouth 503 and low pressure alarming interface 504；Extinguishing agent storage bottle 1 passes through 24 He of Pneumatic pipe
Driving gas storage bottle 4 is connected；Solenoid valve 3 used by fire extinguishing system supports electronic starting and mechanical emergency to start.
Extinguishing chemical supply unit include: extinguishing chemical conveyance conduit 8 and pipe fitting 9, header 10, motor-driven valve 11, check valve 12,
High pressure flexible metallic conduit 13 and safety valve 14；Extinguishing chemical releasing unit includes extinguishing chemical atomizer 15.
Fire extinguishing system control and alarm unit include: fire extinguishing system fire alarm control unit 16, smoke temperature composite detector 17,
System work light 18, combined aural and visual alarm 19, mechanical start stop switch 20 and electric wiring 21；Fire extinguishing system fire alarming and controlling
Device 16 can realize a machine multi-region control function, and subregion alarm zonal control subregion discharges extinguishing medium, substantially reduces extinguishing medium
Waste.
Extinguishing chemical uses a kind of fire-extinguishing agent perfluor hexanone；After the filled design fire-fighting dose of extinguishing agent storage bottle 1 again
A certain amount of driving gas is filled, which is 0.5 times of system working pressure, both can guarantee the timely of extinguishing chemical
Conveying, but can be effectively ensured extinguishing agent storage bottle 1 and respective valves, component improved under the action of endurable pressure its safety and
Durability.
Fire extinguishing system is using combination distribution centralized control, independent distribution centralized control and independent distribution independent control work type
Formula；The setting of guard plot scene discharges extinguishing chemical, fire extinguishing system electricity using mechanical start stop switch 20 opening and closing fire extinguishing system on site
Magnet valve 3 and motor-driven valve 11 support electronic starting and mechanical emergency to start；Support starts automatically, manually boots and open with mechanical emergency
It is dynamic；The fixed device 7 of the extinguishing agent storage bottle may be designed as cabinet body or frame body；Drive gas storage bottle 4 can be with extinguishing agent storage
The fixed setting installation jointly of device 7 of bottle, can also independently be fixed in cabinet body or on frame body.
Feature of the invention includes: that the storage pressure of extinguishing agent storage bottle 1 cannot be less than 1.5 times of system design temperature,
Extinguishing chemical and driving gas use Mixing charge；Extinguishing chemical bottle bottle valve 2 and the maximum receiving pressure of driving gas cylinder bottle valve 5 should not
1.5 times less than system design temperature are obtained, mounting technique is connect using silk；Solenoid valve 3 and motor-driven valve 11 are powered using direct current 24V,
Electronic starting and manual-operated emergent should be able to be supported to start two kinds of Starting mode；The work range of pressure reducing valve 6 should cannot be less than system design
Pressure range should be able to accurately show the preceding pressure value with after decompression of decompression；The fixed device 7 of extinguishing agent storage bottle can be designed using cabinet
Body can also design fixing, the aesthetics that both can guarantee extinguishing agent storage bottle 1 using frame body and drive gas storage bottle 4
And practicability；Safety valve 14 should be able to accurately play the role of pressure release after system overpressure；Fire alarm control unit 16 should be supported more times
Road detection alarm and control should support active and standby electric two kinds of power supply modes, should be able to support constructing local network and connection outer net function, branch
It holds and is incorporated to present wisdom fire-fighting technology；Safe pressure relief device 23 should be able to after superpressure explosion safety plate, play and accurately let out
Pressure effect.
The beneficial effects of the present invention are: a kind of novel perfluoro hexanone combination distribution its extinguishing chemical of automatic control type fire extinguishing system
Using fire-extinguishing agent perfluor hexanone, the extinguishing chemical is colourless, nontoxic, insulating properties is high, and trace, release fire extinguishing are left no residue after fire extinguishing
Not will cause personnel's secondary injury when agent, be fully achieved green, environmental protection, security performance requirement, can security application had in 24 hours
The fire extinguishing demand of the particular fields such as people, precision instrument, valuables general place in one's power；Extinguishing agent storage bottle uses air-liquid mixed skill
Art, gas filling pressure are not more than 0.5 times of fire extinguishing system operating pressure, and filling rate more generally requires filling rate standard to improve one
A bit, can make full use of extinguishing agent storage bottle use space and effectively, the safety of each valve part of safety assurance and durable
Property；Fire extinguishing system is full using combination distribution centralized control, independent distribution centralized control and independent distribution independent control work pattern
The various guard plot requirements of foot, reduce the construction cost of fire extinguishing system, improve the cost performance of fire extinguishing system.
Detailed description of the invention
Fig. 1 is control principle drawing in the utility model fire extinguishing system combination allocation set.
Fig. 2 is control principle drawing in the utility model fire extinguishing system independence allocation set.
Fig. 3 is that the utility model fire extinguishing system independently distributes independent control schematic diagram.
Fig. 4 is the utility model fire extinguishing system extinguishing agent storage bottle, bottle valve and driving gas storage bottle, bottle valve signal
Figure.
In figure: 1, extinguishing agent storage bottle；2, extinguishing agent storage bottle bottle valve；3, solenoid valve；4, gas storage bottle is driven；5,
Drive gas cylinder bottle valve；6, pressure reducing valve；7, the fixed device of extinguishing agent storage bottle；8, extinguishing chemical conveyance conduit；9, pipe fitting；10, collect
Flow tube；11, motor-driven valve；12, check valve；13, high pressure flexible metallic conduit；14, safety valve；15, atomizer；16, fire alarm control
Device processed；17, smoke temperature composite detector；18, system work light；19, combined aural and visual alarm；20, mechanical start stop switch；21, electric
Gas route；22, pressure gauge；23, safe pressure relief device；24, Pneumatic pipe, 25, siphon pipe；101, bottle head interface；102, gas source
Input port；201, extinguishing chemical bottle pressure table interface；202, extinguishing chemical bottle overpressure relief mouth；203, extinguishing chemical exports；204, electromagnetism
Valve interface；205, spare interface；501, outlet interface；502, cylinder pressure gauge interface is driven；503, gas cylinder overpressure relief is driven
Mouthful；504, low pressure alarming interface.
Specific embodiment
Embodiment 1
A kind of novel perfluoro hexanone combination distribution automatic control type fire extinguishing system is mainly single by extinguishing agent storage unit, driving
Member, the control of extinguishing chemical supply unit, extinguishing chemical releasing unit, fire extinguishing system and alarm unit composition.In extinguishing agent storage unit
Each extinguishing agent storage bottle uses extinguishing chemical and the air-liquid mixed technology no more than 0.5 times of fire extinguishing system operating pressure；When going out
When fiery system is using combination distribution centralized control, a set of fire extinguishing system protects multiple guard plots, when in guard plot any one or more
After the smoke temperature composite detector 17 of setting receives fire signal, fire signal is sent to fire alarm control unit 16, fire
After alarm controller 16 receives alarm signal, start 1 He of extinguishing agent storage bottle through preparatory editorial logic Automated generalization linkage
The solenoid valve 3 in gas storage bottle 4 is driven, wherein drives the driving gas in gas storage bottle through subtracting after solenoid valve 3 is opened
Pressure valve 6 is delivered to extinguishing agent storage bottle 1 by after high pressure air reducing to operating pressure, then through Pneumatic pipe 24, due to existing in advance
Driving gas in part is filled in extinguishing agent storage bottle 1, extinguishing chemical passes through at the first time under the action of remaining at driving gas
Siphon pipe 25 is pushed to extinguishing chemical bottle bottle valve 2, is then delivered to header 10 through high pressure flexible metallic conduit 13 and check valve 12 again,
Fire alarm control unit 16 has opened the motor-driven valve 11 on corresponding guard plot extinguishing chemical conveyance conduit 8 at this time, and extinguishing chemical is through electronic
Valve 11 and extinguishing chemical conveyance conduit 8 are delivered to the guard plot that fire behavior occurs, pressure of the extinguishing chemical in atomizer 15 and driving gas
Power effect is lower to occur atomization rapidly, realizes fire-extinguishing function concurrently.This pattern fire extinguishing system safe and efficient can be suitable for guard plot and protect
Area's area is smaller, structure is relatively simple, and guard plot is more dispersed, a fairly large number of 24 hours someone in guard plot, precision instrument, expensive
The fire extinguishing demand of the particular fields such as heavy articles general place in one's power.
Embodiment 2
A kind of novel perfluoro hexanone combination distribution automatic control type fire extinguishing system is mainly single by extinguishing agent storage unit, driving
Member, the control of extinguishing chemical supply unit, extinguishing chemical releasing unit, fire extinguishing system and alarm unit composition.In extinguishing agent storage unit
Each extinguishing agent storage bottle uses extinguishing chemical and the air-liquid mixed technology no more than 0.5 times of fire extinguishing system operating pressure；When going out
When fiery system is using independent distribution centralized control, a set of fire extinguishing system control unit control mostly set extinguishing agent storage unit, driving
Unit, extinguishing chemical supply unit, extinguishing chemical releasing unit and alarm unit, each guard plot are independently arranged extinguishing agent storage list
Member, driving unit, extinguishing chemical supply unit, extinguishing chemical releasing unit and alarm unit, the cigarette in guard plot any one or more
After temperature compound detection device 17 receives fire signal, fire signal is sent to fire alarm control unit 16, fire alarming and controlling
After device 16 receives alarm signal, through preparatory editorial logic Automated generalization linkage starting extinguishing agent storage bottle 1 and driving gas
Solenoid valve 3 in storage bottle 4 wherein drives the driving gas in gas storage bottle will be high through pressure reducing valve 6 after solenoid valve 3 is opened
After body of calming the anger is decompressed to operating pressure, then through Pneumatic pipe 24 it is delivered to extinguishing agent storage bottle 1, due in advance in extinguishing agent storage
Driving gas in part is filled in bottle 1, extinguishing chemical is pushed away through siphon pipe 25 at the first time under the action of remaining at driving gas
It is sent to extinguishing chemical bottle bottle valve 2, is then delivered to header 10 through high pressure flexible metallic conduit 13 and check valve 12 again, at this time fire report
Alert controller 16 has opened the motor-driven valve 11 on corresponding guard plot extinguishing chemical conveyance conduit 8, and extinguishing chemical is through motor-driven valve 11 and fire extinguishing
Agent conveyance conduit 8 is delivered to the guard plot that fire behavior occurs, and extinguishing chemical is issued in the pressure effect of atomizer 15 and driving gas
Raw atomization rapidly, realizes fire-extinguishing function concurrently.This pattern fire extinguishing system can safe and efficient, protection larger suitable for guard plot area
Plot structure is complex, and guard plot is more concentrated, guard plot a fairly large number of 24 hours someone, precision instrument, valuables etc.
The fire extinguishing demand of particular field general place in one's power.
Embodiment 3
A kind of novel perfluoro hexanone combination distribution automatic control type fire extinguishing system is mainly single by extinguishing agent storage unit, driving
Member, the control of extinguishing chemical supply unit, extinguishing chemical releasing unit, fire extinguishing system and alarm unit composition.In extinguishing agent storage unit
Each extinguishing agent storage bottle uses extinguishing chemical and the air-liquid mixed technology no more than 0.5 times of fire extinguishing system operating pressure；When going out
When fiery system is using independent distribution independent control, a set of fire extinguishing system control unit controls a set of extinguishing agent storage unit, driving
Unit, extinguishing chemical supply unit, extinguishing chemical releasing unit and alarm unit realize that guard plot independent control of independently alarming independently is gone out
Fire signal is sent to fire alarming and controlling after the smoke temperature composite detector 17 in guard plot receives fire signal by fire
Device 16 after fire alarm control unit 16 receives alarm signal, starts extinguishing chemical through preparatory editorial logic Automated generalization linkage
Solenoid valve 3 in storage bottle 1 and driving gas storage bottle 4, wherein drives the driving in gas storage bottle after solenoid valve 3 is opened
Gas is delivered to extinguishing agent storage bottle 1 after pressure reducing valve 6 is by high pressure air reducing to operating pressure, then through Pneumatic pipe 24, by
In having filled driving gas in part in extinguishing agent storage bottle 1 in advance, extinguishing chemical is remained at the under the action of driving gas
One time was pushed to extinguishing chemical bottle bottle valve 2 through siphon pipe 25, was then delivered to again through high pressure flexible metallic conduit 13 and check valve 12
Header 10, fire alarm control unit 16 has opened the motor-driven valve 11 on corresponding guard plot extinguishing chemical conveyance conduit 8 at this time, fire extinguishing
Agent is delivered to the guard plot that fire behavior occurs through motor-driven valve 11 and extinguishing chemical conveyance conduit 8, and extinguishing chemical is in atomizer 15 and driving
The pressure effect of gas is lower to occur atomization rapidly, realizes fire-extinguishing function concurrently.This pattern fire extinguishing system safe and efficient can be suitable for anti-
Shield area's area is larger, protection plot structure is complex, and guard plot is more dispersed, 24 hours someone, essences of guard plot negligible amounts
The fire extinguishing demand of the particular fields such as close instrument, valuables general place in one's power.
Claims (5)
1. a kind of novel perfluoro hexanone combination distribution automatic control type fire extinguishing system, feature include: extinguishing agent storage unit, drive
Moving cell, extinguishing chemical supply unit, extinguishing chemical releasing unit, fire extinguishing system control and alarm unit；The extinguishing agent storage list
Member includes: the fixed device of extinguishing agent storage bottle (1), extinguishing agent storage bottle bottle valve (2), solenoid valve (3) and extinguishing agent storage bottle
(7), extinguishing agent storage bottle (1) is equipped with bottle head interface (101) and gas source input port (102), and extinguishing agent storage bottle bottle valve (2) is set
There are extinguishing chemical bottle pressure table interface (201), extinguishing chemical bottle overpressure relief mouth (202), extinguishing chemical outlet (203), solenoid valve interface
(204) and spare interface (205)；Driving unit includes: driving gas storage bottle (4), driving gas cylinder bottle valve (5), pressure reducing valve
(6) and solenoid valve (3)；It drives gas storage bottle (4) material to use steel alloy and carbon fiber, drives gas cylinder bottle valve (5)
It is connect equipped with outlet interface (501), driving cylinder pressure gauge interface (502), driving gas cylinder overpressure relief mouth (503) and low pressure alarming
Mouth (504)；Extinguishing agent storage bottle (1) is connected by Pneumatic pipe (24) with driving gas storage bottle (4)；Fire extinguishing system is adopted
Solenoid valve (3) supports electronic starting and mechanical emergency to start.
2. novel perfluoro hexanone combination distribution automatic control type fire extinguishing system according to claim 1, it is characterised in that institute
Stating extinguishing chemical supply unit includes: extinguishing chemical conveyance conduit (8) and pipe fitting (9), header (10), motor-driven valve (11), check valve
(12), high pressure flexible metallic conduit (13) and safety valve (14)；Extinguishing chemical releasing unit includes extinguishing chemical atomizer (15).
3. novel perfluoro hexanone combination distribution automatic control type fire extinguishing system according to claim 1, it is characterised in that institute
It states fire extinguishing system control and alarm unit includes: fire extinguishing system fire alarm control unit (16), smoke temperature composite detector (17), is
System work light (18), combined aural and visual alarm (19), mechanical start stop switch (20) and electric wiring (21)；Fire extinguishing system fire report
A machine multi-region control function can be achieved in alert controller (16), and subregion alarm zonal control subregion discharges extinguishing medium, substantially reduces
The waste of extinguishing medium.
4. novel perfluoro hexanone combination distribution automatic control type fire extinguishing system according to claim 1, it is characterised in that institute
Extinguishing chemical is stated using a kind of fire-extinguishing agent perfluor hexanone；It is refilled after the filled design fire-fighting dose of extinguishing agent storage bottle (1)
A certain amount of driving gas, the gas filling pressure are 0.5 times of system working pressure, both can guarantee the timely defeated of extinguishing chemical
Send, but can be effectively ensured extinguishing agent storage bottle (1) and respective valves, component improved under the action of endurable pressure its safety and
Durability.
5. novel perfluoro hexanone combination distribution automatic control type fire extinguishing system according to any one of claims 1 to 4, special
Sign is the fire extinguishing system using combination distribution centralized control, independent distribution centralized control and independent distribution independent control work
Pattern；The setting of guard plot scene discharges extinguishing chemical, fire extinguishing system with opening and closing fire extinguishing system on site using mechanical start stop switch (20)
It unites solenoid valve (3) and motor-driven valve (11) supports electronic starting and mechanical emergency starting；Support start automatically, manually boot and machinery
Emergency starting；The extinguishing agent storage bottle fixed device (7) may be designed as cabinet body or frame body；Drive gas storage bottle (4) can be with
Extinguishing agent storage bottle fixed device (7) setting installation jointly, can also independently be fixed in cabinet body or on frame body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820705305.6U CN209221399U (en) | 2018-05-11 | 2018-05-11 | A kind of novel perfluoro hexanone combination distribution automatic control type fire extinguishing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820705305.6U CN209221399U (en) | 2018-05-11 | 2018-05-11 | A kind of novel perfluoro hexanone combination distribution automatic control type fire extinguishing system |
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| Publication Number | Publication Date |
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| CN209221399U true CN209221399U (en) | 2019-08-09 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111840860A (en) * | 2020-08-05 | 2020-10-30 | 上海外高桥造船有限公司 | Fire extinguishing system and FPSO ship comprising same |
| CN112807590A (en) * | 2020-12-21 | 2021-05-18 | 应急管理部天津消防研究所 | Environment-friendly efficient fire extinguishing device and method |
| CN114849104A (en) * | 2022-04-22 | 2022-08-05 | 山东雷纳新材料工程有限公司 | Fire extinguishing device capable of continuously cooling through multiple-time spraying and control method |
| CN117815601A (en) * | 2024-03-05 | 2024-04-05 | 四川特威特消防科技有限公司 | Perfluoro-hexanone multi-stage fire extinguishing device for electrical cabinet |
-
2018
- 2018-05-11 CN CN201820705305.6U patent/CN209221399U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111840860A (en) * | 2020-08-05 | 2020-10-30 | 上海外高桥造船有限公司 | Fire extinguishing system and FPSO ship comprising same |
| CN112807590A (en) * | 2020-12-21 | 2021-05-18 | 应急管理部天津消防研究所 | Environment-friendly efficient fire extinguishing device and method |
| CN114849104A (en) * | 2022-04-22 | 2022-08-05 | 山东雷纳新材料工程有限公司 | Fire extinguishing device capable of continuously cooling through multiple-time spraying and control method |
| CN117815601A (en) * | 2024-03-05 | 2024-04-05 | 四川特威特消防科技有限公司 | Perfluoro-hexanone multi-stage fire extinguishing device for electrical cabinet |
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