CN104623830A - Two-box carbon dioxide fire extinguishing device and method thereof - Google Patents
Two-box carbon dioxide fire extinguishing device and method thereof Download PDFInfo
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- CN104623830A CN104623830A CN201310548749.5A CN201310548749A CN104623830A CN 104623830 A CN104623830 A CN 104623830A CN 201310548749 A CN201310548749 A CN 201310548749A CN 104623830 A CN104623830 A CN 104623830A
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- carbon dioxide
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
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- 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 two-box carbon dioxide fire extinguishing device and a method thereof. The device comprises a first box body for accounting an oil immersed transformer, a second box body for sealing the first box body, a gas storage tank for storing carbon dioxide gas, a controller, and a sensor for detecting whether the transformer is on fire or not or reaches a blasting state or not; and a cavity is formed between the first box body and the second box body, the gas storage tank is connected with the cavity through a gas supply valve, and before the sensor detects that the transformer is on fire or reaches the blasting state, the controller controls the gas supply valve to be opened, and a large amount of the carbon dioxide gas is injected to the cavity in order to prevent combustion. The oil immersed transformer is packaged through a double box structure, and the cavity is formed between two box bodies, so before the sensor detects the on-fire or blasting of the oil immersed transformer, the gas supply valve is opened, and a large amount of the carbon dioxide gas is injected to the cavity of the two box bodies in order to prevent the combustion of the oil immersed transformer, thereby the fire extinguishing effect is good.
Description
Technical field
The present invention relates to technical field of fire control, particularly relate to a kind of double-box type carbon dioxide extinguisher installation and method.
Background technology
Transformer is one of most important equipment in electrical equipment, if breaking out of fire accident, can cause large-area power-cuts, and direct economic loss and remote-effects cannot be estimated.In order to prevent and reduce the fire hazard of oil-immersed type transformer, protection personal safety and ecological environment, avoid property loss, implement the fire-fighting work policy of " put prevention first, combine prevention with fire fighting ", carry out fire prevention, fire-fighting work very necessary.
Current China oil immersion power transformer extinguishing device is nearly, and these are several: (1) fixed water spray (pouring) extinguishing device; (2) oil draining nitrogen filling fire extinguishing device; (3) synthesis type foam spraying fire-extinguishing device; (4) fine mist fire-fighting mode; (5) fire-fighting mode of solid extinguishing agent; (6) heptafluoro-propane (FM200) fire-fighting mode; (7) carbon dioxide (CO2) fire-fighting mode; (8) cigarette irons (INERGEN) fire-fighting mode to the greatest extent; (9) fixed aerosol (EBM) fire-fighting mode; (10) ammonium phosphate salt (MFTZ/ABC).
Water spray extinguishing principle is indubitable, but through the operative practice of decades, especially China " three northern areas of China " (northwest, North China, northeast) lack of water, cold, wind sand is large, and transformer water atomizing system is generally disposed in the interior, and this proposes many problems to design and installation, operating maintenance etc.Especially the water source of electric substation's water spray fire extinguish system, often becomes the outstanding restraining factors of positioning substation.
From the external evaluation to Water spray fire extinguishing system.Above 10 kinds of extinguishing devices, except oil draining nitrogen filling product has except prophylactic function, other are all occur that obvious concrete on fire starts fire extinguishing, can not accomplish to prevent in advance, all be called passive extinguishing device.
The appearance of oil draining nitrogen filling fire product, compensate for the deficiency of similar fire-fighting in the past, greatly boosts productivity, and saves fund, decreases complicated after-sale service, puts out a fire without water, energy-efficient, environmental.The principle of oil draining nitrogen filling explosion-proof and fireproof and fire extinction device is, when inside transformer breaks down, fuel tank internal produces a large amount of fuel gas, gas relay moves, make circuit breaker trip, because of the electric arc caused by electric fault, its energy produced causes temperature and pressure suddenly to increase, if now oil tank of transformer pressure continues to increase, during overpressure relief valve setting value, then start anti-explosion fire program, open draining valve, discharge a part of oily release, prevent Explosion of Transformer on fire.If the outside warming fire detector of transformer detects fire, then start fire extinguishing program.
Namely have:
Explosion-proof startup: circuit breaker trip signal+pressure superpressure signal+grave gas signal;
Fire extinguishing starts: circuit breaker trip signal+fire detector signal+grave gas signal;
Meanwhile, the cut-off valve under transformer oil storage is given birth to pressure reduction due to oil miscarriage and is closed immediately, and automatically cut off the repairing oil circuit of oil conservater to transformer-cabinet, stop high-order oil conservater " adding fuel to the flames ", Accident prevention expands further.Nitrogen is noted nitrogen mouth and is injected bottom transformer-cabinet, stirs transformer oil, forces cooling failure point and oil temperature, and forms entering of nitrogen blanket starvation.When oil temperature drop to flash-point (135 DEG C ~ 150 DEG C) below time, just reach the object of fireproof fire-extinguishing, namely without fire fire prevention, have fire fire extinguishing.Continuous nitrogen injection 30 minutes.A large amount of nitrogen abundant cooling transformer trouble point temperature, thoroughly puts out a fire, prevents resume combustion.
The appearance of oil draining nitrogen filling fire extinguishing device, although can solve some physical presence problems, because manufacturer in recent years gets more and more, forms price harmful competition, product design and quality very different, can not get due guarantee.The oil draining nitrogen filling fire extinguishing device installed at home at present; be only emphasize to protect transformer body, there is no omnibearing protection to transformer, crucially just in case Explosion of Transformer is on fire; the fuel oil gushed out with HTHP can not be controlled, and comprises above several traditional extinguishing device.The appearance of double-box type extinguishing device exactly solves the deficiency of above extinguishing device, the innovative point of this also this product just.
Summary of the invention
For the weak point existed in above-mentioned technology, the invention provides a kind of safe and reliable and the double-box type carbon dioxide extinguisher installation of good extinguishing effect and method.
For achieving the above object, the invention provides a kind of double-box type carbon dioxide extinguisher installation, comprise oil-immersed type transformer is contained in the first interior casing, whether the second casing of the first bin enclosure, the air accumulator being used for storing carbon dioxide gas, controller and being used for is detected transformer on fire or reach the sensor of explosive state; Formation one cavity is clamped between first casing and the second casing, air accumulator is communicated with described cavity by air delivery valve, when sensor detects fire for transformer or before reaching explosive state, controller controls air delivery valve and opens, and stops and burn in great amount of carbon dioxide gas inject to described cavity.
Wherein, described extinguishing device also comprises for discharging the gate gurgle valve of fuel oil in fire for transformer or before reaching blast, and the first casing is communicated with oil leak hole by gate gurgle valve, and described gate gurgle valve is electrically connected with controller.
Wherein, the carbon dioxide of 0.1MPa is filled with during described cavity inherence day-to-day operation.
Wherein, described sensor detects that circuit breaker trip signal+pressure superpressure signal+grave gas signal reaches simultaneously, and controller controls air delivery valve and opens, and stops burning in great amount of carbon dioxide gas inject to described cavity.
For achieving the above object, the invention provides a kind of double-box type carbon-dioxide fire engine method, comprise the following steps:
Oil-immersed type transformer is contained in the first casing, and first case is enclosed in the second casing, the first casing and the second casing clamping formation one cavity;
In this cavity, be filled with the carbon dioxide of 0.1MPa, and whether reach with sensor detection circuit breaker trip signal+pressure superpressure signal+grave gas signal simultaneously;
When circuit breaker trip signal+pressure superpressure signal+grave gas signal reaches simultaneously, controller controls air delivery valve and opens, and stops burning in great amount of carbon dioxide gas inject to this cavity.
Wherein, after controller controls the step of air delivery valve unlatching, this controller controls gate gurgle valve and opens, and the fuel oil that the oil-immersed type transformer in the first casing produces is discharged by oil leak hole and reduced pressure, and avoids blast.
The invention has the beneficial effects as follows: compared with prior art, double-box type carbon dioxide extinguisher installation provided by the invention and method, oil-immersed type transformer is encapsulated by the structure of two casing, a cavity is formed between two casings, when sensor detects that oil-immersed type transformer is on fire or before blasting, open air delivery valve, the interior oil-immersed type transformer that stops of cavity body that carbon dioxides a large amount of in air accumulator is injected into two casing burns, at this moment, whole transformer floods by carbon dioxide, at any time the flare gushed out in any position is flooded and go out, suffocate, carbon dioxide injects casing continuously and healthily, Explosion of Transformer fire incident can be nipped in the bud, by good extinguishing effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of double-box type carbon dioxide extinguisher installation of the present invention;
Fig. 2 is the method flow diagram of double-box type carbon-dioxide fire engine method of the present invention.
Main element symbol description is as follows:
10, the first casing 11, second casing
12, cavity 13, air accumulator
14, controller 15, sensor
16, air delivery valve 17, gate gurgle valve
18, oil leak hole
Detailed description of the invention
In order to more clearly state the present invention, below in conjunction with accompanying drawing, the present invention is further described.
Refer to Fig. 1, double-box type carbon dioxide extinguisher installation provided by the invention, comprise oil-immersed type transformer is contained in the first interior casing 10, the first casing 10 is enclosed in the second interior casing 11, the air accumulator 13 being used for storing carbon dioxide gas, controller 14 and is used for detecting transformer whether on fire or reach the sensor 15 of explosive state; Formation one cavity 12 is clamped between first casing 10 and the second casing 11, air accumulator 13 is communicated with cavity 12 by air delivery valve 16, when sensor 15 detects fire for transformer or before reaching explosive state, controller 14 controls air delivery valve 16 and opens, and stops burning in great amount of carbon dioxide gas inject to cavity 12.
Compared to the situation of prior art, double-box type carbon dioxide extinguisher installation provided by the invention, oil-immersed type transformer is encapsulated by the structure of two casing, a cavity is formed between two casings, when sensor detects that oil-immersed type transformer is on fire or before blasting, open air delivery valve, the interior oil-immersed type transformer that stops of cavity body that carbon dioxides a large amount of in air accumulator is injected into two casing burns, at this moment, whole transformer floods by carbon dioxide, at any time the flare gushed out in any position is flooded and go out, suffocate, carbon dioxide injects casing continuously and healthily, Explosion of Transformer fire incident can be nipped in the bud, by good extinguishing effect.
In the present embodiment, above-mentioned extinguishing device also comprises in fire for transformer or discharge gate gurgle valve 17, first casing 10 of fuel oil before reaching blast and be communicated with oil leak hole 18 by gate gurgle valve 17, and gate gurgle valve 17 is electrically connected with controller 14.Certainly, gate gurgle valve 17 is set and oil leak hole 18 is for the sake of security, avoids the excessive generation blast of pressure in casing, in the design, can, by special draining pipeline communication oil leak hole 18, be unlikely to allow the fuel oil leaked produce injury.
In the present embodiment, the carbon dioxide of 0.1MPa is filled with during above-mentioned cavity 12 inherent day-to-day operation.Carbon dioxide is filled with in cavity 12; oil-immersed type transformer can be isolated contact with oxygen; reduce the risk producing fire; certainly; this case is not limited to the amount of carbon dioxide; can more than or be less than 0.1MPa, as long as utilize in two casing the embodiment being filled with carbon dioxide isolation oxygen, all drop into the protection domain of this case.
In the present embodiment, the sensor 15 detects that circuit breaker trip signal+pressure superpressure signal+grave gas signal reaches simultaneously, and controller 14 controls air delivery valve 16 and opens, and stops burning in great amount of carbon dioxide gas inject to cavity 12.This case adopts preset function logic theory, ensure device security reliability service, system must meet 3 conditions and can start, and must receive transformer breaker trip signal and grave gas signal and pressure switch signal (Explosion of Transformer signal) simultaneously, and system adopts signal memory function.
Refer to Fig. 2, double-box type carbon-dioxide fire engine method provided by the invention, comprises the following steps:
Steps A: oil-immersed type transformer is contained in the first casing, and first case is enclosed in the second casing, the first casing and the second casing clamping formation one cavity;
Step B: the carbon dioxide being filled with 0.1MPa in this cavity, and whether reach with sensor detection circuit breaker trip signal+pressure superpressure signal+grave gas signal simultaneously;
Step C: when circuit breaker trip signal+pressure superpressure signal+grave gas signal reaches simultaneously, controller controls air delivery valve and opens, and stops burning in great amount of carbon dioxide gas inject to this cavity.
In the present embodiment, after controller controls the step of air delivery valve unlatching, this controller also controls gate gurgle valve and opens, and the fuel oil that the oil-immersed type transformer in the first casing produces discharges decompression by oil leak hole, avoids exploding.
Fire fighting test:
Experiment equipment of the present invention is: make 1200mm × 1200mm × 1200mm outer case 1,1000mm × 1000mm × 1000mm transformer-cabinet 1, material thickness 5mm, material is general steel plate.During normal operation, transformer-cabinet injecting carbon dioxide gas, Explosion of Transformer is on fire, and carbon dioxide floods flare immediately.Experimental facilities is: 2, Pressure gauge, rupture disk 100, and electronic ignition device 1 overlaps, and carbon dioxide plant 1 overlaps, and control system 1 is overlapped.
The present invention adopts preset function logic theory, ensure device security reliability service, system must meet 3 conditions and can start, and must receive transformer breaker trip signal and grave gas signal and pressure switch signal (Explosion of Transformer signal) simultaneously, and system adopts signal memory function.The electrical equipment of Signal reception can by 2 kinds of modes: 1, conventional relay form; 2, PLC programmable device form.PLC mode is adopted to pass through 485 network interfaces, compatible to the signal is far passed, automatic station is provided, realizes remote activation function.Current product uses conventional relays in the experimental stage.Panel processed is provided with fault-signal indicator lamp, acousto-optic instruction buzzer, signal removal button, operation and selection lock-controlled switch out of service, manually boots and automatically starts lock-controlled switch, examination button, and signal will be provided to give operations staff.Be provided with coherent signal to background monitoring room, have: cut-off valve shutdown signal, casing detonator signal, system enable signal, system dead electricity index signal, gas is under-voltage signal.
Experimentation of the present invention is:
1,93# gasoline is filled in oil tank of transformer inside.
2, install rupture disk device, toward analogue transformer body injecting compressed air, pressure is 0.2MPa, and continue to inject, rupture pressure disc explosion, electronic ignition device starts immediately, and device for transformer burns, continuous 20 times.
3, when transformer runs, casing injecting carbon dioxide gas, when pressure equaliser detects that carbon dioxide reduces, injects the great amount of carbon dioxide gas of holding vessel immediately.
4, install rupture disk device, toward analogue transformer body injecting compressed air, pressure is 0.2MPa, and continue to inject, rupture pressure disc explosion, electronic ignition device starts immediately, and transformer is flooded by carbon dioxide immediately, continuous 20 times.
In a word, by a large amount of simulated experiments, the successful of double-box type carbon dioxide extinguisher installation, stable, research and development are extremely successful also is significantly! Advantages, practicality are large.
Advantage of the present invention is: traditional extinguishing device is that detector detects when naked light occurs and takes fire suppression measures, such as rear water spray on fire, foam, carbon dioxide etc.Double-box type carbon dioxide plant moment the flare of ejection is all flooded to go out, and fire incident nipped in the bud, the possibility of reduction accident diffusion.
Be only several specific embodiment of the present invention above, but the present invention is not limited thereto, the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.
Claims (6)
1. a double-box type carbon dioxide extinguisher installation, it is characterized in that, comprise oil-immersed type transformer is contained in the first interior casing, whether the second casing of the first bin enclosure, the air accumulator being used for storing carbon dioxide gas, controller and being used for is detected transformer on fire or reach the sensor of explosive state; Formation one cavity is clamped between first casing and the second casing, air accumulator is communicated with described cavity by air delivery valve, when sensor detects fire for transformer or before reaching explosive state, controller controls air delivery valve and opens, and stops and burn in great amount of carbon dioxide gas inject to described cavity.
2. double-box type carbon dioxide extinguisher installation according to claim 1, it is characterized in that, described extinguishing device also comprises for discharging the gate gurgle valve of fuel oil in fire for transformer or before reaching blast, and the first casing is communicated with oil leak hole by gate gurgle valve, and described gate gurgle valve is electrically connected with controller.
3. double-box type carbon dioxide extinguisher installation according to claim 1, is characterized in that, is filled with the carbon dioxide of 0.1MPa during described cavity inherence day-to-day operation.
4. double-box type carbon dioxide extinguisher installation according to claim 1, it is characterized in that, described sensor detects that circuit breaker trip signal+pressure superpressure signal+grave gas signal reaches simultaneously, controller controls air delivery valve and opens, and stops burning in great amount of carbon dioxide gas inject to described cavity.
5. a double-box type carbon-dioxide fire engine method, is characterized in that, comprises the following steps:
Oil-immersed type transformer is contained in the first casing, and first case is enclosed in the second casing, the first casing and the second casing clamping formation one cavity;
In this cavity, be filled with the carbon dioxide of 0.1MPa, and whether reach with sensor detection circuit breaker trip signal+pressure superpressure signal+grave gas signal simultaneously;
When circuit breaker trip signal+pressure superpressure signal+grave gas signal reaches simultaneously, controller controls air delivery valve and opens, and stops burning in great amount of carbon dioxide gas inject to this cavity.
6. double-box type carbon-dioxide fire engine method according to claim 5, it is characterized in that, after controller controls the step of air delivery valve unlatching, this controller controls gate gurgle valve and opens, the fuel oil that oil-immersed type transformer in first casing produces discharges decompression by oil leak hole, avoids blast.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310548749.5A CN104623830A (en) | 2013-11-07 | 2013-11-07 | Two-box carbon dioxide fire extinguishing device and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310548749.5A CN104623830A (en) | 2013-11-07 | 2013-11-07 | Two-box carbon dioxide fire extinguishing device and method thereof |
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| CN104623830A true CN104623830A (en) | 2015-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310548749.5A Pending CN104623830A (en) | 2013-11-07 | 2013-11-07 | Two-box carbon dioxide fire extinguishing device and method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106958524A (en) * | 2017-05-04 | 2017-07-18 | 上海为然环保科技有限公司 | A kind of environmentally friendly air compressor system based on reliable diagnosis |
| CN108010757A (en) * | 2017-11-28 | 2018-05-08 | 宁波伊顿电力科技有限公司 | Switch the emergency protecting equipment of divide-shut brake |
| CN111724970A (en) * | 2020-07-14 | 2020-09-29 | 濮建妹 | Remote monitoring transformer based on Internet of things |
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| CN101728063A (en) * | 2009-09-16 | 2010-06-09 | 深圳市旭明消防设备有限公司 | Oil evacuation and nitrogen injection control device of oil-immersed transformer |
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| CN203180389U (en) * | 2012-12-28 | 2013-09-04 | 陕西省哲学社会科学重点研究基地西安财经学院现代企业管理研究中心 | Improved box-type transformer station |
| CN203218078U (en) * | 2013-02-28 | 2013-09-25 | 乐清市赛而乐电器科技有限公司 | Adjustable oil immersed power transformer with fire-extinguishing structure |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101728063A (en) * | 2009-09-16 | 2010-06-09 | 深圳市旭明消防设备有限公司 | Oil evacuation and nitrogen injection control device of oil-immersed transformer |
| CN201658766U (en) * | 2010-02-09 | 2010-12-01 | 保定中恒电气有限公司 | Oil-discharging and nitrogen-injecting fire extinguishing apparatus of transformer |
| CN201783112U (en) * | 2010-08-06 | 2011-04-06 | 陕西德凯电力机械有限公司 | Oil-immersed transformer pressure-protection nitrogen-charging fire-extinguishing device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106958524A (en) * | 2017-05-04 | 2017-07-18 | 上海为然环保科技有限公司 | A kind of environmentally friendly air compressor system based on reliable diagnosis |
| CN106958524B (en) * | 2017-05-04 | 2018-10-16 | 浙江尤尼威机械有限公司 | A kind of environmentally friendly air compressor system based on reliable diagnosis |
| CN108010757A (en) * | 2017-11-28 | 2018-05-08 | 宁波伊顿电力科技有限公司 | Switch the emergency protecting equipment of divide-shut brake |
| CN108010757B (en) * | 2017-11-28 | 2019-02-15 | 宁波伊顿电力科技有限公司 | Switch the emergency protecting equipment of divide-shut brake |
| CN111724970A (en) * | 2020-07-14 | 2020-09-29 | 濮建妹 | Remote monitoring transformer based on Internet of things |
| CN111724970B (en) * | 2020-07-14 | 2021-05-11 | 精泰电气集团有限公司 | Remote monitoring transformer based on Internet of things |
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Application publication date: 20150520 |
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