CN105457195A - Power transformer fire extinguishing system and control method - Google Patents
Power transformer fire extinguishing system and control method Download PDFInfo
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- CN105457195A CN105457195A CN201610068106.4A CN201610068106A CN105457195A CN 105457195 A CN105457195 A CN 105457195A CN 201610068106 A CN201610068106 A CN 201610068106A CN 105457195 A CN105457195 A CN 105457195A
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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
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/005—Delivery of fire-extinguishing material using nozzles
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention relates to the technical field of fire-fighting equipment, in particular to a power transformer fire extinguishing system and a control method. The power transformer fire extinguishing system comprises an equipment protecting room, a fire extinguishing pipe network, multiple fire detectors, point spraying branch control pipe valves and weatherproof porous bundling nozzles; a gas cartridge set, a starting bottle set, a 3D boiling powder storage tank and a fire extinguishing controller are arranged in the equipment protecting room, and the fire extinguishing controller is provided with a multi-feature signal detector, an air speed detector and a reburning detection and alarm controller. The control method comprises the following steps of initialization, fire detection, alarm and fire extinguishment; the fire extinguishment comprises the steps of point fire extinguishing scheme generating, multi-point fire extinguishing scheme generating and full fire extinguishing scheme generating. According to the power transformer fire extinguishing system and the control method, the main pipe network is buried under a terrace, the safety is high, and the stable reliability of the fire extinguishing system is guaranteed; a point fire extinguishing scheme, a multi-point fire extinguishing scheme and a full fire extinguishing scheme are designed according to different fire types, and the fire extinguishing efficiency and the fire extinguishing effect are greatly improved.
Description
Technical field
The present invention relates to fire-fighting equipment technical field, especially power transformer fire extinguishing system and control method.
Background technology
The fire protection of current domestic large oil immersed power transformer mainly adopts the fixed extinguishing systems such as water spray, foam spray, oil draining nitrogen filling, meanwhile, auxiliary adopts the fire fighting devices such as sandbox, sand bucket and hand-held, transportable fire extinguisher.Although and powder extinguishing system has fire extinguishing efficiently, water saving, energy-conservation, cold-proof, safety, the advantages such as environmental protection, but the cooling of high-temperature transformer oil can not be properly settled due to indoor transformer powder extinguishing system and put out resume combustion fire problem, outdoor transformer powder extinguishing system is except can not properly settling the cooling of high-temperature transformer oil and putting out except resume combustion fire problem, the a large amount of powder extinguishing agent dust that also there is diffusion may produce the risk of serious pollution flashover tripping operation power outage under the weather conditions such as dense fog is moist to charging equipment, therefore this system is not applied in power system always.
By transformer fire analysis of cases, can see that transformer fire and fire-fighting exist following characteristics: 1) transformer fire normally causes due to the electric fault in device body, the instantaneous high-temperature causing trouble point transformer oil gasification that electric fault produces, a large amount of high-tension transformer oil gas is formed in transformer body, when pressure arrives greatly that around transformer fault point, the pressure-bearing weak part such as bushing shell for transformer seat, other flange connections cannot bear, just create transformer explosion fire; 2) after high-temperature transformer oil runs into air from accident point casing seat or other flange connections explosion splash, just transformer fault point and around the transformer oil gas sputtering zone of 10 ~ 30m scope produce large area fire, bring fire spread dangerous to facilities such as surrounding power distribution equipment and cables; 3) outdoor large transformer conventional No. 25 and No. 45 transformer oil flash-points are generally greater than 140 DEG C, burning-point is greater than 240 DEG C, high flashover point transformer oil burning-point is then greater than 300 DEG C, self-ignition point is greater than 420 DEG C, and accident point transformer oil temperature is far longer than the self-ignition point temperature of high flashover point transformer oil 420 DEG C.Use conventional water spray under normal circumstances, foam spray fire extinguishing system (or fire brigade) can put out transformer body surface fire, the peripheral splash fire of fire extinguishing system pipe network then needs fire extinguishing personnel to adopt the facilities such as dry powder extinguisher to put out.Afterwards, in most cases accident point high-temperature transformer oil also can produce resume combustion fire.Now, fire is controlled substantially, can not produce fire spread, and fire transfers accident point fire to by face fire, and fire extinguishing system is finished using, and waits for that fire brigade carries out the fire extinguishing of resume combustion fire; 4) from transformer fire analysis of cases in the past, once Causing Fire in Transformer, this transformer is destined to scrap, whether put out a fire and all can not reduce fire damage, therefore, transformer fire fire-fighting each side has reached and has prevented fire spread most important, puts out next common recognition of accident transformer fire; 5) self-extinguishing such as conventional water spray, foam spray fire-fighting facility in engineering usually because harsh environmental conditions, pipeline are freezing, shower nozzle blocking, particularly do not consider that bushing shell for transformer explosion is smashed the situations such as fire extinguishing system pipe network and often caused fire extinguishing system part even entirely ineffective.
In sum, based on the common recognition of transformer fire and fire-fighting feature, by real transformer fire case and fire-extinguishing test analysis, we have had understanding more clearly to existing outdoor transformer fire extinguishing system: conventional water spray, foam spray fire extinguishing system has extinguishing chemical cheap, system cloud gray model is safeguarded simple, simulation outside links work at selected spots with that in entire areas the advantages such as fire attack time short (about 2 ~ 4) minute, but also also existing can not the outside fire spread that causes of control transformer oil splash, not good to inside transformer high temperature oil cooling-down effect, the resume combustion fire that high-temperature transformer oil causes can not be put out, (too much extinguishing chemical injecting time is not wasted at exterior face fire by force to fire position fire extinguishing specific aim, inadequate to accident point resume combustion fire attack time), be subject to be greater than 2m/s air speed influence, be subject to freezing impact winter, shower nozzle spray angle arranges undue influence extinguishing effect, transformer fire extinguishing system pipe network does not consider that transformer explosion causes pipe network to damage the problems such as thrashing.And oil draining nitrogen filling fire extinguishing device have equipment simple, cheap, by the advantage such as external environment influence, but there is a maximum problem, during i.e. self-extinguishing mode, this system causes the probability of band piezoelectric transformer fire extinguishing misoperation far above transformer fire probability, adds serious operation power outage risk to power transmission and transformation safety in production.Also there is fire in the transformer that can only go out and can not to go out outer fire in oil draining nitrogen filling device, more can not the outside fire spread that causes of control transformer oil splash, in addition, also ubiquity does not consider the impact of transformer device structure form to this device, gas cylinder and control device do not consider that fire-proof and explosion-proof impact causes and cannot use the problems such as even entirely ineffective.
Therefore, research and develop a set of not only can the outside fire spread of control transformer but also can high and cold lack of water wind speed large wait that outdoor environment uses, be applicable to put out transformer body and around splash large area fire, put out the transformer fire extinguishing system of the safety and environmental protection of accident point transformer oil resume combustion fire, become the common recognition that power system and Intelligent fire-fighting equip manufacturing enterprise.
Summary of the invention
Single in order to overcome existing transformer fire extinguishing system structure, function is limited to, and the deficiency of extinguishing effect difference, the invention provides power transformer fire extinguishing system and control method.
The technical solution adopted for the present invention to solve the technical problems is: a kind of power transformer fire extinguishing system, comprise equipment protection room, fire extinguishing pipe network, many fire detectors, point sprays sub-control pipe valve and weather proof porous bundle nozzle, fire extinguishing pipe network is connected with equipment protection room with many fire detectors, it is online that some injection sub-control pipe valve and weather proof porous bundle nozzle are arranged on fire extinguishing tube, weather proof porous bundle nozzle is distributed in the surrounding of protected body, gas cylinder group is provided with in equipment protection room, start bottle group, 3D boiling storage powder tank and Fire extinguisher, Fire extinguisher is provided with multiple features signal sensor, anemometer detector and resume combustion detection alarm controller.
According to another embodiment of the invention, comprising fire extinguishing pipe network is further balance-type all standing pipe network, takes and is embedded under terrace with some injection sub-control pipe valve.
According to another embodiment of the invention, comprise fire extinguishing one end of pipe network and 3D further and to seethe with excitement Zhu Fen tank UNICOM, the other end and weather proof porous bundle nozzle UNICOM.
According to another embodiment of the invention, comprise further and start bottle group and be arranged in gas cylinder group, gas cylinder group and 3D seethe with excitement and store powder tank and be connected.
According to another embodiment of the invention; comprising Fire extinguisher is further installed on the inwall in equipment protection room; anemometer detector is installed on the roof in equipment protection room; many fire detectors and resume combustion detection alarm controller are installed on the periphery of protected body, and multiple features signal sensor is installed on the inside of protected body.
A kind of power transformer fire extinguishing control method, comprise the steps: initialization → detection → warning → fire extinguishing, detection step comprises, Fire extinguisher receives the fire signal of many fire detectors and multiple features signal sensor, carry out judgement to signal to screen, if only have a fire signal, Fire extinguisher only sends warning, notify that user watches out for and finds out the hidden troubles a little, fire extinguishing system is standby, can be passed through manual confirmation, as breaking out of fire then manually starts fire extinguishing system fire extinguishing automatically, Maintenance and Repair are carried out in limited time as fault alarm then records to report, if there is the fire signal that two or more are different, this fire extinguishing system proceeds to stand-by state, prepare at any time to enter fire extinguishing program.
According to another embodiment of the invention, comprise knocking down step further and comprise a fire fire extinguishing scheme, multiple spot fire fire extinguishing scheme and whole fire fire extinguishing scheme.
According to another embodiment of the invention, comprising some fire fire extinguishing scheme is further processing scheme for the breaking out of fire of single area partial points, comprises the following steps:
A1. wind speed real-time measurement, according to the measurement data of anemometer detector, below fresh breeze, native system can start fire extinguishing at any time and spray; When fitful wind is greater than 4 grades and increases above 5 grades, system is standby; When fitful wind is less than 5 grades and has reduction to be tending towards 4 grades, native system starts fire extinguishing immediately;
A2. overall situation fire extinguishing, Fire extinguisher is opened and is started bottle group, driving gas in release gas cylinder group, make driving gas enter 3D boiling storage powder tank, ratio of being seethed with excitement by dry powder mixes, and forms gas-solid homogeneous mixture, by the distribution of pipe network of putting out a fire, via weather proof porous bundle nozzle, all standing dry powder ejecting extinguishing is carried out to the transformer body in whole protection zone, sprays through 15S;
A3. local is closed, after first run all standing has been sprayed, system closing other do not have the some injection sub-control pipe valve and weather proof porous bundle nozzle of conflagration area;
A4. focus fire extinguishing, starts the weather proof porous bundle nozzle of conflagration area again, continues to cover fire extinguishing 15S for single ignition point;
A5. resume combustion fire extinguishing, resume combustion detection alarm controller starts, once detect the ignition point of resume combustion, the point of first closing other non-fire locations sprays sub-control pipe valve and weather proof porous bundle nozzle; The point restarting resume combustion position sprays sub-control pipe valve and weather proof porous bundle nozzle, sprays powder extinguishing agent 15S to resume combustion location point; Subsequently according to field conditions, optionally use heat sink (water spray extinguishing device, foam spraying fire-extinguishing device or oil draining nitrogen filling heat sink) to carry out cooling operation, repeat said process until put out transformer resume combustion fire completely;
A6. data feedback, after fire-fighting work completes, sends a signal to mster-control centre by wireless (or wired), carries out system maintenance;
A7. return, fire extinguishing system resets, and gets back to original state, to transformer warning protection.
According to another embodiment of the invention, comprise the processing scheme that multiple spot fire fire extinguishing scheme is the partial points breaking out of fire for two and above search coverage further, comprise the following steps:
B1. wind speed real-time measurement, according to the measurement data of anemometer detector, below fresh breeze, native system can start fire extinguishing at any time and spray; When fitful wind is greater than 4 grades and increases above 5 grades, system is standby; When fitful wind is less than 5 grades and has reduction to be tending towards 4 grades, native system starts fire extinguishing immediately;
B2. overall situation fire extinguishing, Fire extinguisher is opened and is started bottle group, driving gas in release gas cylinder group, make driving gas enter 3D boiling storage powder tank, ratio of being seethed with excitement by dry powder mixes, and forms gas-solid homogeneous mixture, by the distribution of pipe network of putting out a fire, via weather proof porous bundle nozzle, all standing dry powder ejecting extinguishing is carried out to the transformer body in whole protection zone, sprays through 15S;
B3. local is closed, after first run all standing has been sprayed, system closing other do not have the some injection sub-control pipe valve and weather proof porous bundle nozzle of conflagration area;
B4. focus fire extinguishing, starts the weather proof porous bundle nozzle of conflagration area again, continues to cover fire extinguishing 15S for multiple ignition point;
B5. resume combustion fire extinguishing, resume combustion detection alarm controller starts, once detect the ignition point of resume combustion, the point of first closing other non-fire locations sprays sub-control pipe valve and weather proof porous bundle nozzle; The point restarting resume combustion position sprays sub-control pipe valve and weather proof porous bundle nozzle, sprays powder extinguishing agent 15S to resume combustion location point; Subsequently according to field conditions, optionally use heat sink (water spray extinguishing device, foam spraying fire-extinguishing device or oil draining nitrogen filling heat sink) to carry out cooling operation, repeat said process until put out transformer resume combustion fire completely;
B6. data feedback, after fire-fighting work completes, sends a signal to mster-control centre by wireless (or wired), carries out system maintenance;
B7. return, fire extinguishing system resets, and gets back to original state, to transformer warning protection.
According to another embodiment of the invention, comprising whole fire fire extinguishing scheme is further processing scheme for occurrence of large-area section fire, comprises the following steps:
C1. wind speed real-time measurement, according to the measurement data of anemometer detector, below fresh breeze, native system can start fire extinguishing at any time and spray; When fitful wind is greater than 4 grades and increases above 5 grades, system is standby; When fitful wind is less than 5 grades and has reduction to be tending towards 4 grades, native system starts fire extinguishing immediately;
C2. overall situation fire extinguishing, Fire extinguisher is opened and is started bottle group, driving gas in release gas cylinder group, make driving gas enter 3D boiling storage powder tank, ratio of being seethed with excitement by dry powder mixes, and forms gas-solid homogeneous mixture, by the distribution of pipe network of putting out a fire, via weather proof porous bundle nozzle, all standing dry powder ejecting extinguishing is carried out to the transformer body in whole protection zone, sprays through 30S;
C3. resume combustion fire extinguishing, resume combustion detection alarm controller starts, once detect the ignition point of resume combustion, the point of first closing other non-fire locations sprays sub-control pipe valve and weather proof porous bundle nozzle; The point restarting resume combustion position sprays sub-control pipe valve and weather proof porous bundle nozzle, sprays powder extinguishing agent 15S to resume combustion location point; Subsequently according to field conditions, optionally use heat sink (water spray extinguishing device, foam spraying fire-extinguishing device or oil draining nitrogen filling heat sink) to carry out cooling operation, repeat said process until put out transformer resume combustion fire completely;
C4. data feedback, after fire-fighting work completes, sends a signal to mster-control centre by wireless (or wired), carries out system maintenance;
C5. return, fire extinguishing system resets, and gets back to original state, to transformer warning protection.
The invention has the beneficial effects as follows, native system both can be used alone, and for single transformer provides flame failure protection, according to user's needs, can combine again, for two transformers provide the flame failure protection of same intensity.This system is based on efficient powder extinguishing agent, water spray extinguishing device, foam spraying fire-extinguishing device or oil draining nitrogen filling heat sink can be set up, the fire of the various environment of calm reply, design the fire extinguishing pipe network with sub-control pipe valve, and be embedded under terrace, security is high, not only expand all standing scope, extend the mounting distance of charged pipe network, and can prevent bushing shell for transformer explosion blast from damaging main body fire-extinguishing apparatus, facilitating operation maintenance and maintenance, thus ensure that the reliability of fire extinguishing system.According to different fire types, utilize many fire detectors, multiple features signal sensor, anemometer detector and the resume combustion detection alarm Controller gain variations be arranged in fire extinguishing system to go out a fire fire extinguishing scheme, multiple spot fire fire extinguishing scheme and whole fire fire extinguishing scheme, substantially increase fire-fighting efficiency and extinguishing effect.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is structural representation of the present invention;
Fig. 2 is scheme of installation of the present invention;
Fig. 3 is pipe network schematic diagram of the present invention;
Fig. 4 is control flow chart of the present invention.
1. gas cylinder groups in figure, 2. start bottle group, 3.3D boiling storage powder tank; 4. fire extinguishing pipe network; 5. Fire extinguisher, fire detector 6., 7. multiple features signal sensor; 8. anemometer detector; 9. resume combustion detection alarm controller, 10. an injection sub-control pipe valve, 11. weather proof porous bundle nozzles; 12. protected bodies, 13. equipment protection rooms.
Detailed description of the invention
If Fig. 1 is structural representation of the present invention, Fig. 2 is scheme of installation of the present invention, Fig. 3 is pipe network schematic diagram of the present invention, Fig. 4 is control flow chart of the present invention, a kind of power transformer fire extinguishing system, comprise equipment protection room 13, fire extinguishing pipe network 4, many fire detectors 6, point sprays sub-control pipe valve 10 and weather proof porous bundle nozzle 11, fire extinguishing pipe network 4 is connected with equipment protection room 13 with many fire detectors 6, point sprays sub-control pipe valve 10 and weather proof porous bundle nozzle 11 is arranged on fire extinguishing pipe network 4, weather proof porous bundle nozzle 11 is distributed in the surrounding of protected body 12, gas cylinder group 1 is provided with in equipment protection room 13, start bottle group 2, 3D boiling storage powder tank 3 and Fire extinguisher 5, Fire extinguisher 5 is provided with multiple features signal sensor 7, anemometer detector 8 and resume combustion detection alarm controller 9.Fire extinguishing pipe network 4 is balance-type all standing pipe network, takes and is embedded under terrace with some injection sub-control pipe valve 10.Fire extinguishing one end of pipe network 4 and 3D seethe with excitement Zhu Fenguan 3 UNICOM, the other end and weather proof porous bundle nozzle 11 UNICOM.Starting bottle group 2 is arranged in gas cylinder group 1, and gas cylinder group 1 and 3D seethe with excitement and store powder tank 3 and be connected.Fire extinguisher 5 is installed on the inwall in equipment protection room 13; anemometer detector 8 is installed on the roof in equipment protection room 13; many fire detectors 6 and resume combustion detection alarm controller 9 are installed on the periphery of protected body 12, and multiple features signal sensor 7 is installed on the inside of protected body 12.
A kind of power transformer fire extinguishing control method, comprise the steps: initialization → detection → warning → fire extinguishing, detection step comprises, Fire extinguisher 5 receives the fire signal of many fire detectors 6 and multiple features signal sensor 7, carry out judgement to signal to screen, if only have a fire signal, Fire extinguisher 5 only sends warning, notify that user watches out for and finds out the hidden troubles a little, fire extinguishing system is standby, can be passed through manual confirmation, as breaking out of fire then manually starts fire extinguishing system fire extinguishing automatically, Maintenance and Repair are carried out in limited time as fault alarm then records to report, if there is the fire signal that two or more are different, this fire extinguishing system proceeds to stand-by state, prepare at any time to enter fire extinguishing program.
Knocking down step comprises a fire fire extinguishing scheme, multiple spot fire fire extinguishing scheme and whole fire fire extinguishing scheme.
Point fire fire extinguishing scheme is the processing scheme for the breaking out of fire of single area partial points, comprises the following steps:
A1. wind speed real-time measurement, according to the measurement data of anemometer detector 8, below fresh breeze, native system can start fire extinguishing at any time and spray; When fitful wind is greater than 4 grades and increases above 5 grades, system is standby; When fitful wind is less than 5 grades and has reduction to be tending towards 4 grades, native system starts fire extinguishing immediately;
A2. overall situation fire extinguishing, Fire extinguisher 5 is opened and is started bottle group 2, driving gas in release gas cylinder group 1, make driving gas enter 3D boiling storage powder tank 3, ratio of being seethed with excitement by dry powder mixes, and forms gas-solid homogeneous mixture, by the distribution of put out a fire pipe network 4 and defeated powder flow-disturbing distributor, via weather proof porous bundle nozzle 11, all standing dry powder ejecting extinguishing is carried out to the transformer body in whole protection zone, spray through about 15S;
A3. local is closed, after first run all standing has been sprayed, system closing other do not have some injection sub-control pipe valve 10 and the weather proof porous bundle nozzle 11 of conflagration area;
A4. focus fire extinguishing, starts the weather proof porous bundle nozzle 11 of conflagration area again, continues covering to put out a fire about 15S for single ignition point;
A5. resume combustion fire extinguishing, resume combustion detection alarm controller 9 starts, once detect the ignition point of resume combustion, the point of first closing other non-fire locations sprays sub-control pipe valve 10 and weather proof porous bundle nozzle 11; The point restarting resume combustion position sprays sub-control pipe valve 10 and weather proof porous bundle nozzle 11, sprays powder extinguishing agent be about 15S to resume combustion location point; Subsequently according to field conditions, optionally use heat sink (water spray extinguishing device, foam spraying fire-extinguishing device or oil draining nitrogen filling heat sink) to carry out cooling operation, repeat said process until put out transformer resume combustion fire completely;
A6. data feedback, after fire-fighting work completes, sends a signal to mster-control centre by wireless (or wired), carries out system maintenance;
A7. return, fire extinguishing system resets, and gets back to original state, to transformer warning protection.
Multiple spot fire fire extinguishing scheme is the processing scheme of the partial points breaking out of fire for two and above search coverage, comprises the following steps:
B1. wind speed real-time measurement, according to the measurement data of anemometer detector 8, below fresh breeze, native system can start fire extinguishing at any time and spray; When fitful wind is greater than 4 grades and increases above 5 grades, system is standby; When fitful wind is less than 5 grades and has reduction to be tending towards 4 grades, native system starts fire extinguishing immediately;
B2. overall situation fire extinguishing, Fire extinguisher 5 is opened and is started bottle group 2, driving gas in release gas cylinder group 1, make driving gas enter 3D boiling storage powder tank 3, ratio of being seethed with excitement by dry powder mixes, and forms gas-solid homogeneous mixture, by the distribution of put out a fire pipe network 4 and defeated powder flow-disturbing distributor, via weather proof porous bundle nozzle 11, all standing dry powder ejecting extinguishing is carried out to the transformer body in whole protection zone, spray through about 15S;
B3. local is closed, after first run all standing has been sprayed, system closing other do not have some injection sub-control pipe valve 10 and the weather proof porous bundle nozzle 11 of conflagration area;
B4. focus fire extinguishing, starts the weather proof porous bundle nozzle 11 of conflagration area again, continues covering to put out a fire about 15S for multiple ignition point;
B5. resume combustion fire extinguishing, resume combustion detection alarm controller 9 starts, once detect the ignition point of resume combustion, the point of first closing other non-fire locations sprays sub-control pipe valve 10 and weather proof porous bundle nozzle 11; The point restarting resume combustion position sprays sub-control pipe valve 10 and weather proof porous bundle nozzle 11, sprays powder extinguishing agent be about 15S to resume combustion location point; Subsequently according to field conditions, optionally use heat sink (water spray extinguishing device, foam spraying fire-extinguishing device or oil draining nitrogen filling heat sink) to carry out cooling operation, repeat said process until put out transformer resume combustion fire completely;
B6. data feedback, after fire-fighting work completes, sends a signal to mster-control centre by wireless (or wired), carries out system maintenance;
B7. return, fire extinguishing system resets, and gets back to original state, to transformer warning protection.
Whole fire fire extinguishing scheme is the processing scheme for occurrence of large-area section fire, comprises the following steps:
C1. wind speed real-time measurement, according to the measurement data of anemometer detector 8, below fresh breeze, native system can start fire extinguishing at any time and spray; When fitful wind is greater than 4 grades and increases above 5 grades, system is standby; When fitful wind is less than 5 grades and has reduction to be tending towards 4 grades, native system starts fire extinguishing immediately;
C2. overall situation fire extinguishing, Fire extinguisher 5 is opened and is started bottle group 2, driving gas in release gas cylinder group 1, make driving gas enter 3D boiling storage powder tank 3, ratio of being seethed with excitement by dry powder mixes, and forms gas-solid homogeneous mixture, by the distribution of put out a fire pipe network 4 and defeated powder flow-disturbing distributor, via weather proof porous bundle nozzle 11, all standing dry powder ejecting extinguishing is carried out to the transformer body in whole protection zone, spray through about 30S;
C3. resume combustion fire extinguishing, resume combustion detection alarm controller 9 starts, once detect the ignition point of resume combustion, the point of first closing other non-fire locations sprays sub-control pipe valve 10 and weather proof porous bundle nozzle 11; The point restarting resume combustion position sprays sub-control pipe valve 10 and weather proof porous bundle nozzle 11, sprays powder extinguishing agent be about 15S to resume combustion location point; Subsequently according to field conditions, optionally use heat sink (water spray extinguishing device, foam spraying fire-extinguishing device or oil draining nitrogen filling heat sink) to carry out cooling operation, repeat said process until put out transformer resume combustion fire completely;
C4. data feedback, after fire-fighting work completes, sends a signal to mster-control centre by wireless (or wired), carries out system maintenance;
C5. return, fire extinguishing system resets, and gets back to original state, to transformer warning protection.
Native system both can be used alone, and for single transformer provides flame failure protection, according to user's needs, can combine again, for two transformers provide the flame failure protection of same intensity, this system, based on efficient powder extinguishing agent, can set up water spray extinguishing device, foam spraying fire-extinguishing device or oil draining nitrogen filling heat sink, ensures as follow-up cooling, the fire of the various environmental aspect of calm reply, design the fire extinguishing pipe network 4 with sub-control pipe valve 10, and be embedded under terrace, security is high, not only expand all standing scope, extend the mounting distance of charged pipe network, and can prevent bushing shell for transformer explosion blast from damaging main body fire-extinguishing apparatus, facilitating operation maintenance and maintenance, thus ensure that the reliability of fire extinguishing system, according to different fire types, utilize the many fire detectors 6 be arranged in fire extinguishing system, multiple features signal sensor 7, a fire fire extinguishing scheme designed by anemometer detector 8 and resume combustion detection alarm controller 9, multiple spot fire fire extinguishing scheme and whole fire fire extinguishing scheme, both can the outside fire spread of control transformer, large area fire and the accident point transformer oil resume combustion fire of transformer body and surrounding splash can be put out again, the object of division points fire and face fire, be the risk that minimizing powder extinguishing agent dust increases to energized electrical equipment pollution flashover, control the position that limited extinguishing chemical is used for real breaking out of fire, cut the waste, cost-saving, improve the success rate of fire extinguishing, thus substantially increase fire-fighting efficiency and extinguishing effect.
Claims (10)
1. a power transformer fire extinguishing system, comprise equipment protection room (13), fire extinguishing pipe network (4), many fire detectors (6), point sprays sub-control pipe valve (10) and weather proof porous bundle nozzle (11), fire extinguishing pipe network (4) is connected with equipment protection room (13) with many fire detectors (6), point sprays sub-control pipe valve (10) and weather proof porous bundle nozzle (11) is arranged in fire extinguishing pipe network (4), weather proof porous bundle nozzle (11) is distributed in the surrounding of protected body (12), it is characterized in that: in equipment protection room (13), be provided with gas cylinder group (1), start bottle group (2), 3D boiling storage powder tank (3) and Fire extinguisher (5), Fire extinguisher (5) is provided with multiple features signal sensor (7), anemometer detector (8) and resume combustion detection alarm controller (9).
2. a kind of power transformer fire extinguishing system according to claim 1, is characterized in that: fire extinguishing pipe network (4) is balance-type all standing pipe network, takes and is embedded under terrace with some injection sub-control pipe valve (10).
3. a kind of power transformer fire extinguishing system according to claim 1, is characterized in that: one end of fire extinguishing pipe network (4) and 3D seethe with excitement and store powder tank (3) UNICOM, the other end and weather proof porous bundle nozzle (11) UNICOM.
4. a kind of power transformer fire extinguishing system according to claim 1, is characterized in that: start bottle group (2) and be arranged in gas cylinder group (1), gas cylinder group (1) and 3D seethe with excitement and store powder tank (3) and be connected.
5. a kind of power transformer fire extinguishing system according to claim 1; it is characterized in that: Fire extinguisher (5) is installed on the inwall of equipment protection room (13); anemometer detector (8) is installed on the roof of equipment protection room (13); many fire detectors (6) and resume combustion detection alarm controller (9) are installed on the periphery of protected body (12), and multiple features signal sensor (7) is installed on the inside of protected body (12).
6. a power transformer fire extinguishing control method, it is characterized in that, comprise the steps: initialization → detection → warning → fire extinguishing, detection step comprises, Fire extinguisher (5) receives the fire signal of many fire detectors (6) and multiple features signal sensor (7), carry out judgement to signal to screen, if only have a fire signal, Fire extinguisher (5) only sends warning, notify that user watches out for and finds out the hidden troubles a little, fire extinguishing system is standby, can be passed through manual confirmation, as breaking out of fire then manually (automatically) startup fire extinguishing system fire extinguishing, Maintenance and Repair are carried out in limited time as fault alarm then records to report, if there is the fire signal that two or more are different, this fire extinguishing system proceeds to stand-by state, prepare at any time to enter fire extinguishing program.
7. a kind of power transformer fire extinguishing control method according to claim 6, is characterized in that, knocking down step comprises a fire fire extinguishing scheme, multiple spot fire fire extinguishing scheme and whole fire fire extinguishing scheme.
8. a kind of power transformer fire extinguishing control method according to claim 7, it is characterized in that, some fire fire extinguishing scheme is the processing scheme for the breaking out of fire of single area partial points, comprises the following steps:
A1. wind speed real-time measurement, according to the measurement data of anemometer detector (8), below fresh breeze, native system can start fire extinguishing at any time and spray; When fitful wind is greater than 4 grades and increases above 5 grades, system is standby; When fitful wind is less than 5 grades and has reduction to be tending towards 4 grades, native system starts fire extinguishing immediately;
A2. overall situation fire extinguishing, Fire extinguisher (5) is opened and is started bottle group (2), driving gas in release gas cylinder group (1), make driving gas enter 3D boiling storage powder tank (3), ratio of being seethed with excitement by dry powder mixes, and forms gas-solid homogeneous mixture, by the distribution of fire extinguishing pipe network (4), via weather proof porous bundle nozzle (11), all standing dry powder ejecting extinguishing is carried out to the transformer body in whole protection zone, sprays through 15S;
A3. local is closed, after first run all standing has been sprayed, system closing other do not have some injection sub-control pipe valve (10) and weather proof porous bundle nozzle (11) of conflagration area;
A4. focus fire extinguishing, starts the weather proof porous bundle nozzle (11) of conflagration area again, continues to cover fire extinguishing 15S for single ignition point;
A5. resume combustion fire extinguishing, resume combustion detection alarm controller (9) starts, once detect the ignition point of resume combustion, the point of first closing other non-fire locations sprays sub-control pipe valve (10) and weather proof porous bundle nozzle (11); The point restarting resume combustion position sprays sub-control pipe valve (10) and weather proof porous bundle nozzle (11), sprays powder extinguishing agent 15S to resume combustion location point; Subsequently according to field conditions, optionally use heat sink (water spray extinguishing device, foam spraying fire-extinguishing device or oil draining nitrogen filling heat sink) to carry out cooling operation, repeat said process until put out transformer resume combustion fire completely;
A6. data feedback, after fire-fighting work completes, sends a signal to mster-control centre by wireless (or wired), carries out system maintenance;
A7. return, fire extinguishing system resets, and gets back to original state, to transformer warning protection.
9. a kind of power transformer fire extinguishing control method according to claim 7, is characterized in that, multiple spot fire fire extinguishing scheme is the processing scheme of the partial points breaking out of fire for two and above search coverage, comprises the following steps:
B1. wind speed real-time measurement, according to the measurement data of anemometer detector (8), below fresh breeze, native system can start fire extinguishing at any time and spray; When fitful wind is greater than 4 grades and increases above 5 grades, system is standby; When fitful wind is less than 5 grades and has reduction to be tending towards 4 grades, native system starts fire extinguishing immediately;
B2. overall situation fire extinguishing, Fire extinguisher (5) is opened and is started bottle group (2), driving gas in release gas cylinder group (1), make driving gas enter 3D boiling storage powder tank (3), ratio of being seethed with excitement by dry powder mixes, and forms gas-solid homogeneous mixture, by the distribution of fire extinguishing pipe network (4), via weather proof porous bundle nozzle (11), all standing dry powder ejecting extinguishing is carried out to the transformer body in whole protection zone, sprays through 15S;
B3. local is closed, after first run all standing has been sprayed, system closing other do not have some injection sub-control pipe valve (10) and weather proof porous bundle nozzle (11) of conflagration area;
B4. focus fire extinguishing, starts the weather proof porous bundle nozzle (11) of conflagration area again, continues to cover fire extinguishing 15S for multiple ignition point;
B5. resume combustion fire extinguishing, resume combustion detection alarm controller (9) starts, once detect the ignition point of resume combustion, the point of first closing other non-fire locations sprays sub-control pipe valve (10) and weather proof porous bundle nozzle (11); The point restarting resume combustion position sprays sub-control pipe valve (10) and weather proof porous bundle nozzle (11), sprays powder extinguishing agent 15S to resume combustion location point; Subsequently according to field conditions, optionally use heat sink (water spray extinguishing device, foam spraying fire-extinguishing device or oil draining nitrogen filling heat sink) to carry out cooling operation, repeat said process until put out transformer resume combustion fire completely;
B6. data feedback, after fire-fighting work completes, sends a signal to mster-control centre by wireless (or wired), carries out system maintenance;
B7. return, fire extinguishing system resets, and gets back to original state, to transformer warning protection.
10. a kind of power transformer fire extinguishing control method according to claim 7, it is characterized in that, whole fire fire extinguishing scheme is the processing scheme for occurrence of large-area section fire, comprises the following steps:
C1. wind speed real-time measurement, according to the measurement data of anemometer detector (8), below fresh breeze, native system can start fire extinguishing at any time and spray; When fitful wind is greater than 4 grades and increases above 5 grades, system is standby; When fitful wind is less than 5 grades and has reduction to be tending towards 4 grades, native system starts fire extinguishing immediately;
C2. overall situation fire extinguishing, Fire extinguisher (5) is opened and is started bottle group (2), driving gas in release gas cylinder group (1), make driving gas enter 3D boiling storage powder tank (3), ratio of being seethed with excitement by dry powder mixes, and forms gas-solid homogeneous mixture, by the distribution of fire extinguishing pipe network (4), via weather proof porous bundle nozzle (11), all standing dry powder ejecting extinguishing is carried out to the transformer body in whole protection zone, sprays through 30S;
C3. resume combustion fire extinguishing, resume combustion detection alarm controller (9) starts, once detect the ignition point of resume combustion, the point of first closing other non-fire locations sprays sub-control pipe valve (10) and weather proof porous bundle nozzle (11); The point restarting resume combustion position sprays sub-control pipe valve (10) and weather proof porous bundle nozzle (11), sprays powder extinguishing agent 15S to resume combustion location point; Subsequently according to field conditions, optionally use heat sink (water spray extinguishing device, foam spraying fire-extinguishing device or oil draining nitrogen filling heat sink) to carry out cooling operation, repeat said process until put out transformer resume combustion fire completely;
C4. data feedback, after fire-fighting work completes, sends a signal to mster-control centre by wireless (or wired), carries out system maintenance;
C5. return, fire extinguishing system resets, and gets back to original state, to transformer warning protection.
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| CN106267627A (en) * | 2016-10-20 | 2017-01-04 | 中国能源建设集团云南省电力设计院有限公司 | A kind of novel transformer explosive fire accident fire extinguishing system |
| CN106362330A (en) * | 2016-11-08 | 2017-02-01 | 中国能源建设集团云南省电力设计院有限公司 | Novel water atomizing and nitrogen injection fire extinguishing system for explosive fire accidents of transformers |
| CN106422122A (en) * | 2016-10-31 | 2017-02-22 | 中国能源建设集团云南省电力设计院有限公司 | Novel foam-nitrogen injection fire extinguishing system for transformer explosion fires |
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| CN111097117A (en) * | 2020-02-26 | 2020-05-05 | 山东国泰科技有限公司 | Special full-automatic fire prevention and extinguishing system for high-efficiency extra-high voltage converter transformer |
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| CN106422122A (en) * | 2016-10-31 | 2017-02-22 | 中国能源建设集团云南省电力设计院有限公司 | Novel foam-nitrogen injection fire extinguishing system for transformer explosion fires |
| CN106422122B (en) * | 2016-10-31 | 2022-01-25 | 中国能源建设集团云南省电力设计院有限公司 | Foam-nitrogen injection fire extinguishing system for transformer explosion fire |
| CN106362330A (en) * | 2016-11-08 | 2017-02-01 | 中国能源建设集团云南省电力设计院有限公司 | Novel water atomizing and nitrogen injection fire extinguishing system for explosive fire accidents of transformers |
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| CN106823198A (en) * | 2017-03-02 | 2017-06-13 | 南京能启能电子科技有限公司 | A kind of lithium battery box extinguishing method |
| CN107281681A (en) * | 2017-07-07 | 2017-10-24 | 明森智能消防装备（江苏）有限公司 | A kind of large-scale protective detonation resume combustion linkage extinguishing device |
| CN108339212A (en) * | 2017-12-28 | 2018-07-31 | 铜陵日科电子有限责任公司 | A kind of self-extinguishing formula transformer |
| CN109513148A (en) * | 2018-11-23 | 2019-03-26 | 安徽世纪凯旋消防科技有限公司 | A kind of transformer oil pipe fire extinguishing system and its control method |
| CN109701182A (en) * | 2018-12-23 | 2019-05-03 | 中国电建集团福建省电力勘测设计院有限公司 | Novel flexible DC converter based on two from three mode becomes fire-fighting system |
| CN109701182B (en) * | 2018-12-23 | 2023-09-19 | 中国电建集团福建省电力勘测设计院有限公司 | New flexible DC converter fire extinguishing system based on two-out-of-three model |
| CN109865225A (en) * | 2018-12-27 | 2019-06-11 | 陕西德凯电力机械有限公司 | A kind of oil extraction of oil draining nitrogen filling fire extinguishing device and note nitrogen activation system |
| CN109865225B (en) * | 2018-12-27 | 2024-04-12 | 陕西德凯电力机械有限公司 | Oil discharging and nitrogen injection starting system of oil discharging and nitrogen injection fire extinguishing device |
| CN114269438A (en) * | 2019-06-03 | 2022-04-01 | 泰科消防产品有限合伙公司 | System and method for electronically controlled discharge nozzle |
| CN110339503A (en) * | 2019-06-21 | 2019-10-18 | 山西新思备科技股份有限公司 | A kind of power station chamber large space grading forewarning system Quick fire extinguishing system |
| CN111097117A (en) * | 2020-02-26 | 2020-05-05 | 山东国泰科技有限公司 | Special full-automatic fire prevention and extinguishing system for high-efficiency extra-high voltage converter transformer |
| CN111790082A (en) * | 2020-06-22 | 2020-10-20 | 国网安徽省电力有限公司电力科学研究院 | Operation control method for fire extinguishing system in UHV converter station |
| US12186610B2 (en) | 2020-06-22 | 2025-01-07 | State Grid Anhui Electric Power Research Institute | Operation control method suitable for fire extinguishing system of extra-high voltage converter station |
| CN112072537B (en) * | 2020-08-11 | 2022-03-11 | 国网新疆电力有限公司昌吉供电公司 | Power distribution network overvoltage active early warning system based on ubiquitous Internet of things technology |
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