CN106310569A - Liquid-nitrogen fire extinguisher - Google Patents
Liquid-nitrogen fire extinguisher Download PDFInfo
- Publication number
- CN106310569A CN106310569A CN201610702902.9A CN201610702902A CN106310569A CN 106310569 A CN106310569 A CN 106310569A CN 201610702902 A CN201610702902 A CN 201610702902A CN 106310569 A CN106310569 A CN 106310569A
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- China
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- liquid nitrogen
- fire
- nitrogen
- fire extinguisher
- layer container
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C19/00—Hand fire-extinguishers in which the extinguishing substance is expelled by an explosion; Exploding containers thrown into the fire
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a liquid-nitrogen fire extinguisher. The liquid-nitrogen fire extinguisher is characterized in that 196-DEG C low-temperature liquid nitrogen is adopted for extinguishing fire, has a low temperature, and is vaporized to take away a great deal of heat, so that a temperature of combustibles is greatly reduced, and even the temperature of the combustibles is instantaneously reduced to a temperature lower than an ignition temperature, and therefore, the fire extinguishing purpose is achieved; meanwhile, an expansion ratio of the liquid nitrogen to gas nitrogen is 1 to 646, nitrogen gas is an incombustible substance and is even an flame retardant, and has an instantaneous 1 to 646 expansion ratio, so that the temperature is greatly reduced, and contact combustion of oxygen gas and the combustibles in air is rejected as a result of large-scale expansion to form a nitrogen gas flame-retarding protective layer, and therefore, the fire extinguishing purpose is achieved, fire extinguishing speed is high and cost is low; and moreover, after fire is extinguished, electric wire circuits and a control system of mechanical equipment are not destroyed and damaged. The liquid-nitrogen fire extinguisher has the advantages of being safe and reliable, high in fire extinguishing speed, low in cost and not damaging equipment as well as electrical appliances and the control system.
Description
Technical field: the present invention relates to fire-fighting equipment field.
Background technology: existing fire-fighting equipment, such as water, carbon dioxide extinguisher, sandstone etc., in fire-fighting fire extinguishing process
In, although being capable of fire extinguishing, but while fire extinguishing, cause electrical equipment and the damage of equipment and cannot use, simultaneously they
Extinguishing effect is the most preferable, has appliance and control system on fire during especially big fire is raging, and conventional fire extinguisher just seems
Feel simply helpless.
Summary of the invention: provide a kind of fire extinguisher of liquid nitrogen for above-mentioned common problem, utilize the Low Temperature Liquid of-196 DEG C
Nitrogen is put out a fire, liquid nitrogen not only low temperature, and liquid nitrogen vaporization can absorb and take away amount of heat, combustibles temperature is greatly lowered, even
Make that combustibles temperature is instantaneous to be reduced under ignition temperature, reach the purpose of fire extinguishing；Liquid nitrogen and the expansion ratio 1 of gas nitrogen simultaneously:
646, nitrogen is noncombustibles, even flame retardant, and the expansion ratio of instantaneous 1: 646 times is the most significantly lowered the temperature, and significantly
Expansion can repel oxygen and the catalytic combustion of combustible in air, forms nitrogen flame resistant protective layer, reaches purpose of putting out a fire, not only go out
Degree is fast at top speed, with low cost, and will not produce the cable circuit of plant equipment and control system after putting out a fire and destroy and damage
Ruin.
The concrete scheme solving problem: a kind of fire extinguisher of liquid nitrogen, in described fire extinguisher of liquid nitrogen containing liquid nitrogen insulated storage tank,
Carburator, surge tank, intelligent control center, intelligence large database concept, nitrogen switch, nitrogen gas jet, liquid nitrogen insulated storage tank move
Go-cart, described intelligent large database concept refers to: collects the fire data occurred over the years, sets up various types of fire data model
And main control parameters, formulate fire suppression measures and fire extinguishing scheme and the enforcement means of dissimilar fire data model and control ginseng
Number, after fire occurs, intelligent control center instant scanning scene of fire major parameter, immediately in intelligence large database concept search choosing
Select the fire data model that mate similar with scene, select to implement corresponding fire suppression measures and extinguishing method and implement means and
Control parameter, determine fire extinguisher of liquid nitrogen nitrogen jet speed and injecting time simultaneously；Described fire extinguisher of liquid nitrogen contains intelligence control
Center processed, described intelligent control center can the fact of instant scanning scene of fire, match selection intelligence large database concept closes
Suitable fire disaster simulation data type, match selection fire extinguisher of liquid nitrogen puts out a fire, determine simultaneously fire extinguisher of liquid nitrogen nitrogen jet speed and
Injecting time.Described liquid nitrogen insulated storage tank is double container, and internal layer container is high-pressure bottle, contains liquid nitrogen, and outer layer container is
Dewar vessel, nitrogen outlet pipe is fixed between internal layer container outer wall, internal layer container and outer layer container with the form of annular coil pipe
Interlayer, the interlayer vacuum-pumping between internal layer container and outer layer container, wrapped with adiabator or fill internal layer container and outer layer
Interlayer between container, described liquid nitrogen insulated storage tank has Pressure gauge, liquidometer, vacuum meter, safety relief valve, liquid nitrogen to input
Control valve, nitrogen output control valve, air relief valve, liquid nitrogen input pipe, liquid nitrogen outlet tube；Pressure gauge, pressure is had on described surge tank
Alarm, nitrogen input pipe, nitrogen outlet tube, nitrogen input control valve, nitrogen output control valve, nitrogen flow meter, temperature pass
Sensor and pressure transducer and control valve are connected with intelligent control center respectively.
A kind of fire extinguisher of liquid nitrogen, described fire extinguisher of liquid nitrogen is throwing type, and it is adiabatic that described fire extinguisher of liquid nitrogen contains liquid nitrogen
Storage tank, described liquid nitrogen insulated storage tank is double container, and internal layer container is high-pressure bottle, contains liquid nitrogen, and outer layer container is vacuum
Container, nitrogen outlet pipe is fixed on the folder between internal layer container outer wall, internal layer container and outer layer container with the form of annular coil pipe
Layer, the interlayer vacuum-pumping between internal layer container and outer layer container, or filling internal layer container wrapped with adiabator and outer layer container
Between interlayer, containing liquid nitrogen inlet tube, liquid nitrogen outlet on liquid nitrogen insulated storage tank, described liquid nitrogen inlet tube has control to open
Close, described liquid nitrogen outlet has draw-ring type open valve, throwing type fire extinguisher of liquid nitrogen is thrown into fire combustible and goes forward, open
Opening draw-ring type and open valve, described draw-ring type unlatching valve is after pulling open unlatching valve, and the delayed n second, n is positive integer, and liquid nitrogen overflows slowly
Go out, the most significantly vaporized expanding, significantly lower the temperature to combustible is instantaneous, simultaneously isolation combustible and air, to combustible shape
Become nitrogen blanket, fire extinguishing of lowering the temperature the most rapidly, and nitrogen does not damage combustible.Advantages of the present invention: safe and reliable, go out
Spend at top speed fast, with low cost, do not damage equipment and electrical equipment and control system.
Detailed description of the invention: a kind of fire extinguisher of liquid nitrogen, containing liquid nitrogen insulated storage tank, vaporization in described fire extinguisher of liquid nitrogen
Device, surge tank, intelligent control center, intelligence large database concept, nitrogen switch, nitrogen gas jet, liquid nitrogen insulated storage tank mobile handcart,
Described intelligent large database concept refers to: collects the fire data occurred over the years, sets up various types of fire data model and master
Parameter to be controlled, formulates fire suppression measures and fire extinguishing scheme and the enforcement means of dissimilar fire model and controls parameter, working as fire
After calamity occurs, intelligent control center instant scanning scene of fire major parameter, select with existing in intelligence large database concept search immediately
The fire data model of the similar coupling in field, selects to implement corresponding fire suppression measures and extinguishing method and enforcement means and control is mixed
Number, described fire extinguisher of liquid nitrogen contains intelligent control center, and described intelligent control center can scan the fact of scene of fire,
Suitable fire disaster simulation data type in match selection large database concept, match selection fire extinguisher of liquid nitrogen is put out a fire, is determined liquid nitrogen simultaneously
Fire extinguisher nitrogen jet speed and injecting time.Described liquid nitrogen insulated storage tank is double container, and internal layer container is high-pressure bottle,
Containing liquid nitrogen, outer layer container is Dewar vessel, and nitrogen outlet pipe is fixed on internal layer container outer wall, internal layer with the form of annular coil pipe
Interlayer between container and outer layer container, the interlayer vacuum-pumping between internal layer container and outer layer container, wrapped with adiabator or
Fill the interlayer between internal layer container and outer layer container, described liquid nitrogen insulated storage tank has Pressure gauge, liquidometer, vacuum meter,
Safety relief valve, liquid nitrogen input control valve, nitrogen output control valve, air relief valve, liquid nitrogen input pipe, liquid nitrogen outlet tube；Described slow
Rush and on tank, have the output of Pressure gauge, pressure alarm, nitrogen input pipe, nitrogen outlet tube, nitrogen input control valve, nitrogen to control
Valve, flow, temperature and pressure sensor, sensor and control valve are connected with intelligent control center.
A kind of fire extinguisher of liquid nitrogen, described fire extinguisher of liquid nitrogen is throwing type, and it is adiabatic that described fire extinguisher of liquid nitrogen contains liquid nitrogen
Storage tank, described liquid nitrogen insulated storage tank is double container, and internal layer container is high-pressure bottle, contains liquid nitrogen, and outer layer container is vacuum
Container, nitrogen outlet pipe is fixed on the folder between internal layer container outer wall, internal layer container and outer layer container with the form of annular coil pipe
Layer, the interlayer vacuum-pumping between internal layer container and outer layer container, or filling internal layer container wrapped with adiabator and outer layer container
Between interlayer, containing liquid nitrogen inlet tube, liquid nitrogen outlet on liquid nitrogen insulated storage tank, described liquid nitrogen inlet tube has control to open
Close, described liquid nitrogen outlet has draw-ring type open valve, throwing type fire extinguisher of liquid nitrogen is thrown into fire combustible and goes forward, open
Opening draw-ring type and open valve, described draw-ring type unlatching valve is after pulling open unlatching valve, and the delayed n second, n is positive integer, and liquid nitrogen overflows slowly
Going out, rapid vaporization is largely expanded, and significantly lowers the temperature to combustible is instantaneous, simultaneously isolation combustible and air, to combustible shape
Become nitrogen blanket, not only put out a fire, and do not damage combustible.
Claims (10)
1. a fire extinguisher of liquid nitrogen, is characterized in that: containing liquid nitrogen insulated storage tank in described fire extinguisher of liquid nitrogen, described liquid nitrogen is exhausted
Hot tank is double container.
Fire extinguisher of liquid nitrogen the most according to claim 1, is characterized in that: described fire extinguisher of liquid nitrogen contains carburator；Described
Fire extinguisher of liquid nitrogen containing surge tank.
Fire extinguisher of liquid nitrogen the most according to claim 1, is characterized in that: described fire extinguisher of liquid nitrogen contains the big data of intelligence
Storehouse, described intelligent large database concept refers to: collect the over the years fire data occurred, set up various types of fire data model and
Main control parameters, formulates fire suppression measures and fire extinguishing scheme and the enforcement means of dissimilar fire data model and controls ginseng
Number, after fire occurs, the major parameter of intelligent control center instant scanning scene of fire, immediately in intelligence large database concept search
Select the fire data model that mate similar with scene, select implement corresponding fire suppression measures and extinguishing method and implement means
With control parameter.
Fire extinguisher of liquid nitrogen the most according to claim 1, is characterized in that: described fire extinguisher of liquid nitrogen contains in Based Intelligent Control
The heart, described intelligent control center can the fact of instant scanning scene of fire, suitable fire in match selection large database concept
Digital simulation type, match selection whether liquid nitrogen extinguishment, determine nitrogen jet speed and the injecting time of fire extinguisher of liquid nitrogen simultaneously.
Fire extinguisher of liquid nitrogen the most according to claim 1, is characterized in that: described fire extinguisher of liquid nitrogen contains nitrogen switch, nitrogen
Gas blowout emitter, liquid nitrogen insulated storage tank mobile handcart.
Fire extinguisher of liquid nitrogen the most according to claim 1, is characterized in that: the internal layer container of described liquid nitrogen insulated storage tank is high
Pressure vessel, contains liquid nitrogen, and outer layer container is Dewar vessel.
Fire extinguisher of liquid nitrogen the most according to claim 1, is characterized in that: the nitrogen outlet pipe of described liquid nitrogen insulated storage tank with
The form of annular coil pipe is fixed on the interlayer between internal layer container outer wall, internal layer container and outer layer container, internal layer container and outer layer
Interlayer vacuum-pumping between container, wrapped with adiabator or fill the interlayer between internal layer container and outer layer container.
Fire extinguisher of liquid nitrogen the most according to claim 1, is characterized in that: have Pressure gauge, liquid on described liquid nitrogen insulated storage tank
Position meter, vacuum meter, safety relief valve, liquid nitrogen input control valve, nitrogen output control valve, air relief valve, liquid nitrogen input pipe, liquid nitrogen are defeated
Go out pipe；Pressure gauge, pressure alarm, nitrogen input pipe, nitrogen outlet tube, nitrogen input control valve, nitrogen is had on described surge tank
Gas output control valve, effusion meter, temperature and pressure sensor, effusion meter, sensor and control valve are connected with intelligent control center.
9. a fire extinguisher of liquid nitrogen, is characterized in that: described fire extinguisher of liquid nitrogen is throwing type, and described fire extinguisher of liquid nitrogen contains liquid
Nitrogen insulated storage tank.
Fire extinguisher of liquid nitrogen the most according to claim 9, is characterized in that: described liquid nitrogen insulated storage tank is double container, interior
Layer container is high-pressure bottle, contains liquid nitrogen, and outer layer container is Dewar vessel, and nitrogen outlet pipe is fixed on the form of annular coil pipe
Interlayer between internal layer container outer wall, internal layer container and outer layer container, the interlayer vacuum-pumping between internal layer container and outer layer container,
Wrapped with adiabator or fill the interlayer between internal layer container and outer layer container, containing liquid nitrogen import on liquid nitrogen insulated storage tank
Pipe, liquid nitrogen outlet, described liquid nitrogen inlet tube has control switch, described liquid nitrogen outlet has draw-ring type open valve,
Throwing type fire extinguisher of liquid nitrogen being thrown into fire combustible go forward, opener tab formula opens valve, and described draw-ring type is opened valve and existed
After pulling open unlatching valve, the delayed n second, n is positive integer, and liquid nitrogen overflows slowly, and rapid vaporization is largely expanded, instantaneous greatly to combustible
Amplitude is lowered the temperature, simultaneously isolation combustible and air, combustible is formed nitrogen blanket, not only puts out a fire, and do not damage flammable
Thing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610702902.9A CN106310569A (en) | 2016-08-11 | 2016-08-11 | Liquid-nitrogen fire extinguisher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610702902.9A CN106310569A (en) | 2016-08-11 | 2016-08-11 | Liquid-nitrogen fire extinguisher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106310569A true CN106310569A (en) | 2017-01-11 |
Family
ID=57742901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610702902.9A Withdrawn CN106310569A (en) | 2016-08-11 | 2016-08-11 | Liquid-nitrogen fire extinguisher |
Country Status (1)
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| CN (1) | CN106310569A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111821615A (en) * | 2020-07-10 | 2020-10-27 | 中国科学技术大学先进技术研究院 | Fire extinguishing and cooling system of prefabricated cabin type electrochemical energy storage station based on liquid nitrogen |
Citations (7)
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|---|---|---|---|---|
| US6401830B1 (en) * | 2000-11-21 | 2002-06-11 | David B. Romanoff | Fire extinguishing agent and method |
| CN2815425Y (en) * | 2005-06-24 | 2006-09-13 | 陈明 | Special instant fire extinguishing safety grehade device for fire brigade |
| CN102100954A (en) * | 2011-03-11 | 2011-06-22 | 姜华 | Nitrogen fire extinguishing equipment for airplane |
| CN102562124A (en) * | 2012-02-08 | 2012-07-11 | 中国矿业大学 | Underground liquid nitrogen direct injection type fire preventing and extinguishing device |
| CN104063982A (en) * | 2014-06-20 | 2014-09-24 | 阚梦诗 | Intelligent alarming, evacuating and fire extinguishing system |
| CN105107111A (en) * | 2015-09-25 | 2015-12-02 | 宁波亿拍客网络科技有限公司 | Fire extinguishing device |
| CN105194821A (en) * | 2015-09-06 | 2015-12-30 | 奉化科创科技服务有限公司 | Long-acting storage tank of automobile liquid nitrogen extinguisher |
-
2016
- 2016-08-11 CN CN201610702902.9A patent/CN106310569A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6401830B1 (en) * | 2000-11-21 | 2002-06-11 | David B. Romanoff | Fire extinguishing agent and method |
| CN2815425Y (en) * | 2005-06-24 | 2006-09-13 | 陈明 | Special instant fire extinguishing safety grehade device for fire brigade |
| CN102100954A (en) * | 2011-03-11 | 2011-06-22 | 姜华 | Nitrogen fire extinguishing equipment for airplane |
| CN102562124A (en) * | 2012-02-08 | 2012-07-11 | 中国矿业大学 | Underground liquid nitrogen direct injection type fire preventing and extinguishing device |
| CN104063982A (en) * | 2014-06-20 | 2014-09-24 | 阚梦诗 | Intelligent alarming, evacuating and fire extinguishing system |
| CN105194821A (en) * | 2015-09-06 | 2015-12-30 | 奉化科创科技服务有限公司 | Long-acting storage tank of automobile liquid nitrogen extinguisher |
| CN105107111A (en) * | 2015-09-25 | 2015-12-02 | 宁波亿拍客网络科技有限公司 | Fire extinguishing device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111821615A (en) * | 2020-07-10 | 2020-10-27 | 中国科学技术大学先进技术研究院 | Fire extinguishing and cooling system of prefabricated cabin type electrochemical energy storage station based on liquid nitrogen |
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| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170111 |
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| WW01 | Invention patent application withdrawn after publication |