CN106422122A

CN106422122A - Novel foam-nitrogen injection fire extinguishing system for transformer explosion fires

Info

Publication number: CN106422122A
Application number: CN201610929692.7A
Authority: CN
Inventors: 梁戈
Original assignee: Intelligent Fire Fighting Equipment (jiangsu) Co Ltd; Energy China Ynpd
Current assignee: Intelligent Fire Fighting Equipment (jiangsu) Co Ltd; Energy China Ynpd
Priority date: 2016-10-31
Filing date: 2016-10-31
Publication date: 2017-02-22
Anticipated expiration: 2036-10-31
Also published as: CN106422122B

Abstract

The invention discloses a novel foam-nitrogen injection fire extinguishing system for transformer explosion fires. The system comprises a fire position alarming and locating device, an external environment monitoring device, a controllable injection range foam spray fire extinguishing pipe network, a foam spray fire extinguishing device, an oil drainage-cutoff-nitrogen injection pipeline, a simplified nitrogen injection fire extinguishing device, a foam-nitrogen injection combined system fire alarming linkage controller with various control modules, and other parts. According to the novel foam-nitrogen injection fire extinguishing system, the problems that a conventional transformer fire extinguishing system cannot extinguish spreading fires, continuous fires and resurgence fires formed through severe transformer explosion, and a conventional fire extinguishing system wastes national investment are solved.

Description

A kind of novel transformer explosive fire accident foam-note nitrogen fire extinguishing system

Technical field

The present invention relates to fire-fighting equipment technical field, especially oil-immersed power transformer fire extinguishing system.

Background technology

In recent years, the power equipment gone into operation with China's last round of power construction peak period subsequently enters upgrading Phase, because the Accident of Transformer that ageing equipment causes with loss has the trend of increase.On July 10th, 2015, * * city of Yunnan Province 500kV** becomes single-phase main transformer bushing and serious explosive fire accident occurs, and is analyzed by the scene of the accident, transformator fire extinguishing system pipe network It is impossible to use, Transformer Bushing Overhaul flange blows up 50m far, and fire wall splash crossed by transformer oil for the sleeve pipe damage blown up Arrive with adjacent single-phase transformer, because the transformer high-voltage bushing position of this blast is special, adjacent transformers are arrived in splash Oil mass is less, otherwise most probably causes adjacent transformers working fire；On June 18th, 2016, southern Xi'an City 330KV transformer station because Equipment fault causes 3 transformators to recur fire.Cause of fire is to cause because cable duct catches fire, and fire initially spreads to After a nearest main transformer, lost efficacy because of active fire measure and lead to the condition of a fire to continue to spread to adjacent main transformer and distribution Device place, and cause remaining two main transformer in succession slightly on fire from explosion, accident causes Xi'an that of short duration, large area occurs Have a power failure.

Find after being analyzed by fire cases, at present the water spray of domestic large oil immersed power transformer use, foam Spraying, dry powder, oil draining nitrogen filling fire extinguishing device can only put out a fire to save life and property light transformer microburst fire it is impossible to transformator moderate of putting out a fire to save life and property, serious Explosive fire accident.Existing fire extinguishing system is primarily present problem：1) Explosion of Transformer fire is usually formed and spreads outside transformator, holds Continuous resume combustion fire and internal continue resume combustion fire, current transformator fire extinguishing system be only provided with water spray, foam spray, dry powder or A kind of fire extinguishing system such as person's oil draining nitrogen filling it is impossible to Explosion of Transformer fire of simultaneously putting out a fire to save life and property, inside and outside working fire, continue multiple Combustion fire；2) transformer oil splash trickling scope exceedes transformator fire extinguishing system protection domain and exceedes fire extinguishing system it is impossible to put out a fire to save life and property The spreading of scope, continue resume combustion fire；3) existing transformator fire extinguishing system alarm device can not carry out to fire position accurately determining Position, whole shower nozzles blindness ejecting extinguishings simultaneously, no fire position spray fire extinguishing agent is excessive, and guarantor is sprayed in fire extinguishing keypoint part fire extinguishing Shield is not；4) alarm device is once reported to the police, extinguishing chemical once sprays, and causes resume combustion fire cannot put out a fire to save life and property, puts out a fire unsuccessfully；5) do not have Setting pipe network explosion-protection equipment, fire extinguishing pipe network is damaged by Explosion of Transformer part and was lost efficacy；6) external environment conditions such as wind speed, rainfall are not considered Factor, has a strong impact on extinguishing effect；7) there is numerous malfunctions, tripping problem in nitrogen filling fire extinguishing device；Existing other transformator fire extinguishing There is drought and water shortage environmental condition and cannot use or use difficult problem in system.

Therefore, in the case of the obvious increase of transformer fire accident that power equipment is aging and loss causes, develop one Covering effective Explosion of Transformer fire fire extinguishing system is extremely urgent important thing.

Content of the invention

The purpose of the present invention is：Solve the subject matter that existing fire extinguishing system exists when putting out a fire to save life and property Explosion of Transformer fire, Solve transformator fire extinguishing system put out a fire to save life and property Explosion of Transformer fire, working fire, continue fire, the structure composition of resume combustion fire and ask Topic；Solve Explosion of Transformer fire position warning orientation problem；Solve external environmental factor impact problem；Solve different fire models Enclose fire extinguishing pipe network injection control problem；Solve the problems, such as foaming system and some common faults of nitrogen-filling system；Solve transformator difference quick-fried The fire extinguishing control problem at fried fire position.

The technical scheme is that：

Existing fire-fighting system existing problems and the analysis of Explosion of Transformer influence of fire ----Explosion of Transformer fire fire extinguishing system System structure composition ----fire position alarm positioning device composition ----external environment condition monitoring device composition ----fire extinguishing pipe network spray Penetrate protection domain control device composition --- different fire positions：Fire extinguishing keypoint part, general top and side sleeve pipe fire position Fire extinguishing control method ----improve existing foaming system and some intrinsic problems of nitrogen-filling system ----put out a fire by explosive fire accident and try Test --- inspection improves fire extinguishing system of the present invention, meets explosive fire accident extinguishment requirement

A kind of novel transformer explosive fire accident foam-note nitrogen fire extinguishing system is it is characterised in that the system is reported by fire position Alert positioner, external environment condition monitoring device, foam spray fire extinguishing pipe network, complete fixed froth installation, oil extraction-cutout-note nitrogen Pipeline, reduced form note nitrogen fire-extinguishing apparatus and the foam-note nitrogen combined system fire alarm linkage control with various control module Device processed is constituted, wherein：

Fire position alarm positioning device by contactless fire detector, contactless fire temperature position locator, Transformator picture control probe composition, is connected with foam-note nitrogen combined system fire alarm linking controller；

External environment condition monitoring device is by wind speed/rainfall monitor, transformator power-off signal, transformator picture control probe group Become, be connected with foam-note nitrogen combined system fire alarm linking controller；

Foam spray fire extinguishing pipe network is by the supervisor that puts out a fire, subregion selector valve, fire extinguishing distribution pipe, electric jet control valve, fixation Or move fire extinguishing arm, manual injection control valve, foam jet composition, fire extinguishing supervisor and complete fixed froth installation outlet phase Even；

Complete fixed froth installation, by equipment room, the foam being arranged in equipment room and proportion mixer, foam pump, disappears Caisson, fire water box is connected with foam pump by the device such as pipeline valve, pressure gauge, and foam pump passes through pipeline and foam and ratio Example mixing arrangement be connected, foam and proportion mixer outlet connect fire extinguishing supervisor, complete fixed froth installation control circuit with Fire alarm control unit is connected；

Oil extraction-cutout-note nitrogen pipeline is gone out by oil exit pipe, draining valve, oil exit pipe machinery overhaul valve, cut-off valve, note nitrogen respectively Fire tube road, nitrogen injecting valua, note nitrogen-oil extraction interlocking valve, note nitrogen pipe machinery overhaul valve group become, oil exit pipe one end with by protective top phase Even, oil draining system is accessed in one end, and oil exit pipe is provided with oil exit pipe machinery overhaul valve, draining valve；Note nitrogen pipe one end is set with note nitrogen fire extinguishing Standby connected, one end is connected with by the note nitrogen mouth of protective bottom；Top conservator and disconnected by being provided with communicating pipe between protective Stream valve, note nitrogen fire extinction pipeline is respectively equipped with note nitrogen pipe machinery overhaul valve, note nitrogen-oil extraction interlocking valve, nitrogen injecting valua；

Note nitrogen fire-extinguishing apparatus are formed by noting nitrogen cabinet, nitrogen cylinder group, nitrogen release device etc., and nitrogen release device is gone out with note nitrogen Fire tube road is connected；

Foam-note nitrogen combined system fire alarm linking controller is by fire alarm control unit, linking fire controller group Become.Connect fire position warning positioning and external environment condition monitoring device, complete fixed froth installation, electric jet control valve, note Nitrogen extinguishing device, oil extraction-cutout-nitrogen injecting valua door etc.；

The place that the present invention is different from existing froth fire extinguishing system is：Fire extinguishing system is by foam and note nitrogen fire extinguishing system group Become combination fire extinguishing system, the outside working fire of Explosion of Transformer fire of can simultaneously putting out a fire to save life and property formation, lasting fire, resume combustion fire Continue fire, resume combustion fire with internal；It is provided with and can carry out fire position and report to the police the contactless fire detector+non-of positioning Contact infrared measurement of temperature positioner+artificial or device for image, is accurately positioned fire position, is that fire extinguishing system starts, linkage is gone out Fiery system pointing fire-extinguishing protection provides foundation, solves resume combustion fire alarm, fire alarm malfunction and unattended station fire extinguishing system Starting problem；Setting wind speed and rainfall environment monitoring device are it is ensured that fire extinguishing system starts fire extinguishing in extinguishing effect window of opportunity；Change Enter froth fire extinguishing system perfect no matter fire position, the whole ejecting extinguishing of fire scope, keypoint part protection is not enough, wave Take the ejecting extinguishing mode of extinguishing chemical, by fire position alarm positioning device to fire locating, then the fire extinguishing pipe network injection that links Control valve, whole or partly open fire extinguishing sprayer emphasis carries out repeatedly ejecting extinguishing to fire position；Meanwhile, according to not With the fire characteristicses at fire position, entry condition control module, in short-term multi-injection module, fire extinguishing keypoint part, general are set The fire extinguishing control module such as top sleeve pipe fire position, general side sleeve pipe fire position carries out emphasis and ejecting extinguishing is repeated several times, Save extinguishing chemical, working fire of putting out a fire to save life and property, lasting fire and resume combustion fire；

The place that the present invention is different from existing nitrogen filling fire extinguishing device is：Note nitrogen cabinet and foam spray fire-extinguishing apparatus room are arranged In the extraneous home of Explosion of Transformer influence of fire, it is to avoid nitrogen cylinder group heats up the danger of blast in the high temperature of the scene of a fire Danger；Simplify the note alarm device of nitrogen fire-extinguishing apparatus, electric-linked blocking device, mechanical linkage blocking device, fire extinguishing linkage dress Put, share a fire alarm linkage control device with foaming system, reduce the wrong report of fire extinguishing system system, malfunction；Note nitrogen fire extinguishing Increased note nitrogen-oil extraction interlocking valve before the nitrogen injecting valua of pipeline, note nitrogen pipe machinery overhaul valve, note nitrogen-oil extraction interlocking valve is used for preventing Nitrogen injecting valua malfunction, note nitrogen pipe machinery overhaul valve is used for hotline maintenance；Oil exit pipe is separately positioned with note nitrogen cabinet, after oil exit pipe draining valve Increased oil exit pipe machinery overhaul valve, facilitate oil extraction-nitrogen injecting valua door and safeguard, decrease valve tripping, nitrogen injecting valua, draining valve, Cut-off valve, note nitrogen-oil extraction interlocking valve all access fire alarm linking controller,

The present invention is different from the fire alarm linking controller of existing fire extinguishing system：Using foam-note nitrogen combined system fire Calamity alarm linkage controller, system and fire position alarm positioning device, external environment condition monitoring device, complete foam fire-fighting dress Put, electric jet control valve, nitrogen filling fire extinguishing device, oil extraction-cutout-nitrogen injecting valua door etc. are connected, electric jet control valve and sleeve pipe Place's fire alarm positioning infrared point temperature instrument is set to interaction relation, default entry condition control module, in short-term multi-injection module, Fire extinguishing keypoint part priviledge module, general top fire position fire extinguishing control module, the fire extinguishing of general side fire position control mould Block, by being accurately positioned fire position, accurately controls fire extinguishing pipe network and shower nozzle to carry out emphasis to fire position and injection is repeated several times Fire extinguishing, saves extinguishing chemical, working fire of putting out a fire to save life and property, lasting fire and resume combustion fire；

1st, Explosion of Transformer fire characteristicses and fire position

The flash-point of transformer oil is 140 DEG C, and burning-point is 165～180 DEG C about, and self-ignition point is 332 DEG C about.Generally with Gradually aging, the dielectric strength reduction of the insulant such as the cable paper of inside transformer, cotton yarn, cloth, wooden unit, insulating oil, when Run into that transformator passing through property fault, overvoltage impact, repair quality are bad to make that minor insulation is injured, transformator oil quality deterioration Or when transformator watered and wetting, will cause transformer insulated puncture, cause short circuit, produce high-temperature electric arc, transformation The oily gasification that is decomposed rapidly under the high temperature action of electric arc of device, makes inside transformer pressure sharply increase, when pressure arrives greatly accident When the flange connection pressure-bearing weak part such as the bushing shell for transformer on point shell, bushing lifting seat, tap changer is unable to pressure-bearing, in a large number Beyond the high-temperature transformer oil of self-ignition point, just splash in transformator out, runs into vigorous combustion after air, is the formation of transformation Device explosive fire accident, working fire, lasting fire, resume combustion fire.The Explosion of Transformer fire order of severity is pressed and is become by the present invention for the time being Depressor pressure-bearing weak part destructiveness, transformer oil splash are how many, temperature of oil in transformer height, splash range size, difficulty of putting out a fire to save life and property Easily degree etc. is roughly divided into three classes：Slight explosive fire accident, moderate explosive fire accident, serious explosive fire accident.

Fire position：Transformer fire only occurs in the pressure-bearing weak points such as bushing shell for transformer, tap changer flange connections Position, the explosion of only one of which position generation simultaneously or explosive fire accident.The present invention temporarily by fire position be divided into fire extinguishing keypoint part, one As top fire position and general side fire position.Fire extinguishing keypoint part refers to cause adjacent transformers, electrical equipment, electricity Cable working fire position and transformator outlet structure gooseneck continue fire and direct losses, transformer station's no-voltage of entire station, the weight such as burn down Want the fire position of the indirect losses such as user's power-off, fire hazard environment pollution, social influence；General top fire position and general side Face fire position refers to fire incident point in top or side, but adjacent transformers, electrical equipment, cable will not be caused to spread fire Calamity position and transformator outlet structure gooseneck continue fire and the direct losses such as burn down, can by fire brigade's concrete on fire put out a fire to save life and property only There is the fire position of the indirect losses such as less fire hazard environment pollution, social influence.

2nd, Explosion of Transformer fire fire extinguishing system composition structure

Complete fixed froth installation, by equipment room, the foam being arranged in equipment room and proportion mixer, foam pump, disappears Caisson, fire water box is connected with foam pump by the device such as pipeline valve, pressure gauge, and foam pump passes through pipeline and foam and ratio Example mixing arrangement 14 is connected, and foam and proportion mixer outlet connect fire extinguishing supervisor, complete fixed froth installation control circuit It is connected with fire alarm control unit；

3rd, fire position alarm positioning device

Report to the police using cable formula fixed temperature detector or other detector different from existing transformer fire, can only be disposably fiery Calamity is reported to the police it is impossible to resume combustion fire alarm, can not lead to the whole shower nozzle of fire extinguishing system blindly once to fire spots localization simultaneously Ejecting extinguishing, excessive to no fire position spray fire extinguishing agent, fire extinguishing keypoint part fire extinguishing injection is protected not, wastes extinguishing chemical, Can not put out a fire to save life and property resume combustion fire, continue fire；After existing unattended substation fire alarm, cannot confirm under automatic running mode Cause warning malfunction, manually start under mode, face unmanned starting problem again；The present invention is arranged by contactless fire detector The fire position alarm positioning device of+contactless fire temperature position locator+transformator picture control probe composition, non-connects Touch fire detector is typically made up of the fire detector of point-type infrared flame-failure detector or other identity function, is installed in Outside transformator two diagonal；Contactless fire temperature position locator generally adopts infrared point temperature instrument or other infrared survey Warm device, is installed on transformator fire extinguishing system pipe network, each transformer high-voltage, the every phase sleeve pipe of middle pressure three-phase, neutral bushing, It is correspondingly arranged a non-contact infrared point Wen Yi at tap changer flange and low-pressure side three-phase sleeve pipe base flange；Transformator figure As monitoring probe is using being separately provided or sharing substation transformer picture control probe, it is arranged on Explosion of Transformer fire shadow Ring outside the scope it is observed that position of the whole sleeve pipe of transformator；Contactless fire detector 1, contactless fire locating are visited Survey device 2 signal and access fire alarm control unit, transformator picture control picture signal accesses linking fire controller, in display Display fire alarm, transformator each sleeve pipe infrared point temperature instrument temperature value and transformator picture control imaging probe fire overlook panorama Image.

It is embodied as：After explosive fire accident occurs, contactless point-type infrared flame-failure detector or other outdoor type are fiery Detector action is reported to the police, and non-contact infrared point temperature instrument or other infrared temperature sensor are opened to each bushing shell for transformer, pressure regulation Close flange to carry out positioning thermometric, by transformer oil self-ignition point, 332 DEG C are considered as ignition temperature marginal value, transformer oil fire scene temperature 600～700 DEG C are considered as fire fire extinguishing position, are splash surface fire position less than this temperature, meanwhile, in order to avoid misoperation, Fire position is determined by artificial or observation transformer control fire image：Using contactless point-type infrared flame-failure detector To from the beginning of fire and resume combustion fire repetition of alarms, reset；Confirmed more than 600～700 DEG C+fire image with bushing shell for transformer temperature Fire position, from the beginning of fire it may occur however that large area fire or Local Fire, during large area fire, infrared point temperature instrument multiple spot surpasses Temperature+fire image, linkage all or most electric jet control valve opens corresponding shower nozzle ejecting extinguishing, during Local Fire Infrared point temperature instrument single-point or 2 points of overtemperature+fire images, the open corresponding shower nozzle ejecting extinguishing of linkage local electric jet control valve. Resume combustion fire, normal conditions local infrared point temperature instrument single-point overtemperature+fire image, the electric jet control valve opening of linkage local is right Answer shower nozzle ejecting extinguishing.

4th, external environment condition monitoring device

Limiting different from existing fire extinguishing system design specification can only be used below in 2m/s wind speed, and the heavy rain that avoids negative is to going out Fiery system extinguishing effect affects problem, is not inconsistent with practical service environment, and the present invention from saving extinguishing chemical and plays fire extinguishing system effect The angle of energy arranges the substation transformer picture control of wind speed/rainfall monitor, monitoring fire position and rainfall, transformator breaks The external environment influence monitoring device such as signal of telecommunication, measures to wind speed near the scene of a fire and rainfall respectively and observes.Wind speed/rainfall Monitor is arranged on the foam device roof in Explosion of Transformer fire safety evaluating region, and monitoring image is provided in Explosion of Transformer fire The position of transformator whole sleeve pipe weak part can be observed outside calamity coverage.The wind speed of wind speed/rainfall monitor/rainfall letter Number, transformator power-off signal, transformator picture control image all access linking fire controller, in display entry condition region Display wind speed/rainfall value, transformator power-off signal, fire alarm signal, transformator each sleeve pipe infrared point temperature instrument temperature value, transformation Device picture control imaging probe fire panoramic picture.

It is embodied as：General top or the fire extinguishing of side fire position avoid affecting wind speed, the rainfall period of extinguishing effect, After environmental condition is improved, start fire extinguishing system and put out a fire；Generally wind speed size to determine with air speed value, rainfall is then one Continue progressive formation, need with rainfall numerical value and artificial or Imaging Study determination：During general moderate rain：Rain falls such as line, and raindrop are difficult Differentiate；The hard place that falls flashes；Depression hydrops are very fast；Rustle the patter of rain on roof；In 12 hours precipitation 5～15mm or in 24 hours drop The rainfall of the water yield 10～25mm.When raining heavyly：Rain fall such as cloudburst, obscures in flakes；Depression hydrops are exceedingly fast；Gurgle rain on roof Sound；In 12 hours precipitation 15～30mm or in 24 hours precipitation 25～50mm rainfall.During heavy rain：In all 24 hours The rainfall more than 50mm for the precipitation is referred to as heavy rain.Fire extinguishing keypoint part is put out a fire when wind speed, rainfall are exceeded, does not meet bubble During foam fire extinguishing system entry condition, the preferential note nitrogen fire extinguishing system that starts is put out a fire, and restarts foam below moderate rain and 6m wind speed Fire extinguishing system is put out a fire.

5th, foam spray fire extinguishing pipe network

Foam spray fire extinguishing pipe network by the supervisor 6 that puts out a fire, subregion selector valve 7, fire extinguishing distribution pipe 8, electric jet control valve 9, Fix or mobile fire extinguishing arm 10, manual injection control valve 11, foam jet 12 form, 6 and complete foam spray are responsible in fire extinguishing Device outlet is connected, and subregion selector valve 7 connects different subregions transformator fire extinguishing pipe network, connects fire extinguishing distribution pipe after subregion selector valve With fire extinguishing arm, every fixing fire extinguishing arm one electric jet control valve of setting, fire at electric jet control valve and sleeve pipe Positioning of reporting to the police infrared point temperature instrument is in interaction relation, is connected with alarm linkage controller, fixing fire extinguishing arm connects fire extinguishing and fixes Shower nozzle, stationary nozzle is arranged in around transformer body；Removable arm is arranged on and easily produces transformer oil spray in transformator Splash the vicinity of working fire, mobile arm arranges manual injection control valve and shower nozzle.

It is embodied as：Pipe network and the position of nozzle layout of sprinkler extinguishing chemical covering whole outer surface of transformator around transformator, General by ten to tens not the stationary nozzle waiting and 1～2 mobile shower nozzle form, shower nozzle connects arm of putting out a fire, and is connected to Fire extinguishing distribution pipe, fire extinguishing supervisor and foam spray fire-extinguishing apparatus, every fixing fire extinguishing arm arranges an electric jet control valve, Infrared point temperature instrument linkage at injection control valve and sleeve pipe, or by sleeve pipe infrared point temperature instrument+fire hazard monitoring image manual confirmation Coordinated signals afterwards, infrared point temperature instrument single-point or multiple spot overtemperature, linkage corresponding site electric jet controls valve events, locally or complete The open shower nozzle in portion carries out ejecting extinguishing.Mobile arm is arranged on the position that transformator produces working fire, mobile arm setting handss Dynamic injection control valve and shower nozzle, using manually mobile peripheral transformer oil splash working fire of putting out a fire to save life and property.

6th, note nitrogen equipment and oil extraction-cutout-note nitrogen pipeline be different from existing note nitrogen fire extinguishing system, note nitrogen fire-extinguishing apparatus by noting Nitrogen cabinet, nitrogen cylinder group, nitrogen release device etc. form, and different from existing oil draining nitrogen filling device, note nitrogen cabinet and set with foam spray Standby room is arranged in the extraneous home of Explosion of Transformer influence of fire, and equipment simplifies the report of existing oil draining nitrogen filling device Police, blocking device, linkage, equipment is connected with foam-note nitrogen combined system fire alarm linking controller；Oil extraction-cutout- Note nitrogen pipeline respectively by oil exit pipe, draining valve, oil exit pipe machinery overhaul valve, cut-off valve, note nitrogen fire extinction pipeline, nitrogen injecting valua, note nitrogen- Oil extraction interlocking valve, note nitrogen pipe machinery overhaul valve group become, and oil exit pipe one end is connected with by protective top, and oil extraction system is accessed in one end System, oil exit pipe is provided with oil exit pipe machinery overhaul valve, draining valve, and note nitrogen pipe one end is connected with note nitrogen fire-extinguishing apparatus, one end with protected The note nitrogen mouth of watch box bottom is connected, top conservator and be provided with cut-off valve communicating pipe between protective, notes nitrogen fire extinction pipeline On be respectively equipped with note nitrogen pipe machinery overhaul valve, note nitrogen-oil extraction interlocking valve, nitrogen injecting valua；

It is embodied as：Different from existing oil draining nitrogen filling fire extinguishing device, note nitrogen cabinet and be arranged in foam spray fire-extinguishing apparatus room The extraneous home of Explosion of Transformer influence of fire, it is to avoid nitrogen cylinder group heats up the danger of blast in the high temperature of the scene of a fire； Simplify the note alarm device of nitrogen fire-extinguishing apparatus, electric-linked blocking device, mechanical linkage blocking device, fire extinguishing linkage, Share a fire alarm linkage control device with foaming system, reduce the wrong report of fire extinguishing system system, malfunction；Note nitrogen fire extinction pipeline Nitrogen injecting valua before increased note nitrogen-oil extraction interlocking valve and note nitrogen pipe machinery overhaul valve, note nitrogen-oil extraction interlocking valve is used for preventing noting nitrogen Valve malfunction, note nitrogen pipe machinery overhaul valve is used for hotline maintenance；Oil exit pipe is separately positioned with note nitrogen cabinet, increases after oil exit pipe draining valve Oil exit pipe machinery overhaul valve, increased valve maintenance, reduces valve tripping, nitrogen injecting valua, draining valve, cut-off valve, note nitrogen-oil extraction Interlocking valve all accesses fire alarm linking controller.

7th, fire alarm and linkage controller and correlation module

Foam-note nitrogen combined system fire alarm linking controller is by fire alarm control unit, linking fire controller group Become.Default entry condition control module, in short-term multi-injection module, fire extinguishing keypoint part priviledge module, general top fire portion Position fire extinguishing control module, general side fire position fire extinguishing control module.

It is embodied as：System and fire position alarm positioning device, external environment condition monitoring device, complete foam fire-fighting dress Put, electric jet control valve, nitrogen filling fire extinguishing device, oil extraction-cutout-nitrogen injecting valua door etc. are connected, electric jet control valve and sleeve pipe Place's fire alarm positioning infrared point temperature instrument is set to interaction relation, default entry condition control module, in short-term multi-injection module, Fire extinguishing keypoint part priviledge module, general top fire position fire extinguishing control module, the fire extinguishing of general side fire position control mould Block, by being accurately positioned fire position, accurately controls fire extinguishing pipe network and shower nozzle to carry out emphasis to fire position and injection is repeated several times Fire extinguishing, saves extinguishing chemical, working fire of putting out a fire to save life and property, lasting fire and resume combustion fire；

Entry condition control module：Connect fire position alarm positioning device, external environment condition monitoring device, show in controller The position infrared point temperature instrument thermometric values such as display screen display fire alarm, each sleeve pipe of transformator and tap changer, substation wind speed/ Rainfall, substation transformer power-off signal, transformer control panoramic picture signal, automated manner：Fire detector action+multiple spot Or local single-point thermometric value is exceeded+the automatic fire extinguishing such as transformer station's wind speed (rainfall is up to standard)+transformator up to standard power-off signal； Manually or telemechanical mode：Fire detector action+multiple spot or local single-point thermometric value exceeded+transformer station's wind speed (rain up to standard Amount is up to standard)+transformator power-off signal+artificial or transformer control panoramic picture confirmation fire position, manually start and accordingly go out Fiery module fire extinguishing, solves transformer station's warning malfunction, when unattended substation faulty action preventing fire extinguishing system is using manually starting mode Unmanned startup fire extinguishing system problem；

Multi-injection module in short-term：Different from the whole 15min injection of existing froth fire extinguishing system, waste extinguishing chemical, Can not put out a fire to save life and property the ejecting extinguishing mode of resume combustion fire, according to fire fighting by foam system test, usual 2～3min about just can go out Fire, module adopts injecting time of all sites to be less than the spray regime in short-term of 4min, makes system have whole pipe networks 3～4 Secondary ejecting extinguishing, the ability of local pipe networks 10～20 times fire extinguishing, solve fire extinguishing system and fire position multi-injection is puted out a fire to save life and property resume combustion Fire problem, observes in fire extinguishing, strengthens the protection of fire keypoint part, saves extinguishing chemical and concentrates limited extinguishing chemical to put out a fire to save life and property emphasis Position resume combustion fire, lasting fire；

The fire extinguishing preferential fire suppression module of keypoint part：Different from existing transformator fire extinguishing system regardless of fire position, blast fire Calamity coverage, net fire effect, to fire extinguishing keypoint part protection wretched insufficiency, ignore fire general fire position protection with fire extinguishing The difference of keypoint part flame failure protection, adopts whole spray fire extinguishing agents of shower nozzle regardless of primary and secondary blindness, wastes limited going out Fiery agent, inevitable adjacent transformers, surrounding electrical equipment, cable produce working fire, continue fire, resume combustion fire damage, No-voltage of entire station may be directly resulted in, indirectly cause responsible consumer power failure to lose, also cause fire brigade's water fire-fighting to lead to simultaneously Transformer oil drain into Environmental Pollution Loss outside station and social influence's loss；Linkage controller setting fire extinguishing emphasis of the present invention Position control module, to fire extinguishing keypoint part, first passes through the analysis of Explosion of Transformer influence of fire and determines that transformator has fire extinguishing weight Point position, according to fire detector+infrared point temperature instrument exceeded+monitoring image confirm fire concrete position, linkage fire extinguishing emphasis portion Position infrared point temperature instrument and electric jet control valve, are preferentially put out a fire using limited extinguishing chemical：When generally wind speed rainfall is up to standard Start the outer foam spraying of fire extinguishing keypoint part simultaneously and internal note nitrogen fire extinguishing system is put out a fire；Wind speed, rainfall are exceeded, no Meet the preferential note nitrogen fire extinguishing system that starts during froth fire extinguishing system entry condition to be put out a fire；Restart below moderate rain and 6m wind speed Foam spray fire extinguishing system is put out a fire.First fire infrared measurement of temperature multiple spot is exceeded, point warm instrument linkage fire extinguishing keypoint part electric jet Control valve all opens shower nozzle and carries out ejecting extinguishing, secondary resume combustion fire, and single-point or 2 points of thermometrics are exceeded, and point warm instrument linkage is gone out Fiery keypoint part electric jet control valve partly open shower nozzle ejecting extinguishing, controls nitrogen-filling system to high temperature a large amount of in device body simultaneously The lasting resume combustion fire that transformer oil is formed carries out continued down fire extinguishing；The resume combustion fire that repeated, point warm instrument linkage fire extinguishing The injection of keypoint part electric jet control valve partly open shower nozzle is repeatedly put out a fire；During fire extinguishing, scene or by monitoring Image close observation fire attack effect, is revised the fire extinguishing of fire extinguishing position and controls error, gone out with saving most using limited extinguishing chemical Fiery agent, the most repeatedly fire-fighting mode emphasis put out a fire to save life and property resume combustion fire, continue fire.

General top sleeve pipe fire position fire suppression module：Linkage controller of the present invention arranges general top sleeve pipe fire position Fire suppression module, is specifically designed for top sleeve pipe fire characteristicses, fire scope, outside working fire that top bushing shell for transformer is exploded, Continue fire to be put out a fire：First fire infrared measurement of temperature multiple spot is exceeded, the point warm instrument linkage electronic spray of transformer top sleeve pipe fire Penetrate control valve and open whole shower nozzle ejecting extinguishings, secondary resume combustion fire, single-point or 2 points of thermometrics exceeded, point warm instrument linkage top Fire electric jet control valve open local shower nozzle ejecting extinguishing, coordinated signals nitrogen-filling system is to high temperature changes a large amount of in device body simultaneously The lasting resume combustion fire that depressor oil is formed carries out continued down fire extinguishing；The resume combustion fire that repeated, point warm instrument linkage top fire The shower nozzle injection of calamity electric jet control valve open local is repeatedly put out a fire；During fire extinguishing, live or close by monitoring image Cut observation fire attack effect, revise fire extinguishing and control error, using limited extinguishing chemical to save extinguishing chemical, many most Secondary fire-fighting mode emphasis put out a fire to save life and property resume combustion fire, continue fire.

General side sleeve pipe fire position fire suppression module：Linkage controller of the present invention arranges general side sleeve pipe fire position Fire suppression module, is specifically designed for side sleeve pipe fire characteristicses, fire scope, to side Explosion of Transformer fire, outside working fire, Continue fire to be put out a fire：First fire infrared measurement of temperature multiple spot is exceeded, point warm instrument linkage transformer side surface cover pipe fire position electricity The whole ejecting extinguishing of dynamic injection control valve open side shower nozzle, secondary resume combustion fire, single-point or 2 points of thermometrics are exceeded, point Wen Yi Linkage side side fire electric jet control valve partly open side shower nozzle ejecting extinguishing, controls nitrogen-filling system in device body simultaneously The lasting resume combustion fire that a large amount of high-temperature transformer oil are formed carries out continued down fire extinguishing；The resume combustion fire that repeated, point Wen Yi The fire electric jet control valve exploitation local shower nozzle injection of linkage side is repeatedly put out a fire；During fire extinguishing, scene or pass through Monitoring image close observation fire attack effect, revise fire extinguishing control error, using limited extinguishing chemical with save most extinguishing chemical, The most repeatedly fire-fighting mode emphasis put out a fire to save life and property resume combustion fire, continue fire.

Brief description

Fig. 1 is the structural representation of the present invention；

Fig. 2 is the mounting plane schematic diagram of the present invention；

Fig. 3 is the pipe network schematic diagram of the present invention；

Fig. 4 is the fire position warning positioning schematic diagram of the present invention；

Fig. 5 is the external environment condition monitoring schematic diagram of the present invention；

Fig. 6 is that the fire extinguishing keypoint part of the present invention is preferentially put out a fire schematic diagram；

Fig. 7 is general top sleeve pipe fire position fire extinguishing schematic diagram；

Fig. 8 is general side sleeve pipe fire position fire extinguishing schematic diagram；

Fig. 9 is the fire extinguishing control flow chart of the present invention；

The contactless fire detector of in figure 1., 2. contactless fire temperature position locator, 3. transformator image prison Control probe, 4. wind speed/rainfall monitor, 5. transformator power-off signal, 6. foam spray fire extinguishing supervisor, 7. subregion selector valve, 8. Fire extinguishing distribution pipe, 9. electric jet control valve, 10. fix or mobile fire extinguishing arm, 11. manual injection control valves, 12. bubble jet Mouth, 13. complete fixed froth installations, 14. foams and proportion mixer, 15. foam pump, 16. fire water boxs, 17. oil exit pipes, 18. draining valves, 19. oil exit pipe machinery overhaul valves, 20. cut-off valves, 21. note nitrogen fire extinction pipelines, 22. nitrogen injecting valuas, 23. note nitrogen-row Oily interlocking valve, 24 note nitrogen pipe machinery overhaul valves, 25. by protective, 26 conservators, 27. note nitrogen cabinets, 28. nitrogen cylinder groups, 29. nitrogen Release device, 30. fire alarm control units, 31. linking fire controllers.

Specific embodiment

See Fig. 1,2, Explosion of Transformer fire fire extinguishing system form structure

Fire position alarm positioning device is by contactless fire detector 1, contactless fire temperature position locator 2nd, transformator picture control probe 3 composition, is connected with foam-note nitrogen combined system fire alarm linking controller；

External environment condition monitoring device is by wind speed/rainfall monitor 4, transformator power-off signal 5, transformator picture control probe 3 compositions, are connected with foam-note nitrogen combined system fire alarm linking controller；

Foam spray fire extinguishing pipe network by the supervisor 6 that puts out a fire, subregion selector valve 7, fire extinguishing distribution pipe 8, electric jet control valve 9, Fix or mobile fire extinguishing arm 10, manual injection control valve 11, foam jet 12 form, 6 and complete foam fire-fighting are responsible in fire extinguishing Device outlet is connected；

Complete fixed froth installation, by equipment room 13, is arranged on the foam in equipment room 13 and proportion mixer 14, bubble Foam pump 15, fire water box 16, fire water box 16 is connected with foam pump 15 by the device such as pipeline valve, pressure gauge, foam pump 15 It is connected with foam and proportion mixer 14 by pipeline, foam and proportion mixer 14 outlet connect fire extinguishing supervisor 6, complete Fixed froth installation control circuit is connected with fire alarm control unit；

Oil extraction-cutout-note nitrogen pipeline is respectively by oil exit pipe 17, draining valve 18, oil exit pipe machinery overhaul valve 19, cut-off valve 20th, note nitrogen fire extinction pipeline 21, nitrogen injecting valua 22, note nitrogen-oil extraction interlocking valve 23, note nitrogen pipe machinery overhaul valve 24 form, oil exit pipe one End is connected with by protective 25 top, and oil draining system is accessed in one end, and oil exit pipe is provided with oil exit pipe machinery overhaul valve 19, draining valve 18；Note nitrogen pipe one end is connected with note nitrogen fire-extinguishing apparatus, and one end is connected with by the note nitrogen mouth of protective 25 bottom；Top conservator 26 He It is provided with cut-off valve 20 communicating pipe between protective, note nitrogen fire extinction pipeline 21 is respectively equipped with note nitrogen pipe machinery overhaul valve 24th, note nitrogen-oil extraction interlocking valve 23, nitrogen injecting valua 22；

Note nitrogen fire-extinguishing apparatus formed by noting nitrogen cabinet 27, nitrogen cylinder group 28, nitrogen release device 29 etc., nitrogen release device with Note nitrogen fire extinction pipeline 21 is connected；

Foam-note nitrogen combined system fire alarm linking controller is by fire alarm control unit 30, linking fire controller 31 compositions.Connect fire position warning positioning and external environment condition monitoring device, complete fixed froth installation, electric jet control Valve, nitrogen filling fire extinguishing device, oil extraction-cutout-nitrogen injecting valua door etc.；

See Fig. 3 foam spray fire extinguishing pipe network and note nitrogen equipment and oil extraction-cutout-note nitrogen pipeline

Note nitrogen equipment and oil extraction-cutout-note nitrogen pipeline be different from existing note nitrogen fire extinguishing system, note nitrogen fire-extinguishing apparatus by noting nitrogen Cabinet 27, nitrogen cylinder group 28, nitrogen release device 29 etc. form, and different from existing oil draining nitrogen filling device, note nitrogen cabinet and bubble jet Mist equipment room is arranged in the extraneous home of Explosion of Transformer influence of fire, and equipment simplifies existing oil draining nitrogen filling device Warning, blocking device, linkage, equipment is connected with foam-note nitrogen combined system fire alarm linking controller；Oil extraction-disconnected Stream-note nitrogen pipeline is respectively by oil exit pipe 17, draining valve 18, oil exit pipe machinery overhaul valve 19, cut-off valve 20, note nitrogen fire extinction pipeline 21st, nitrogen injecting valua 22, note nitrogen-oil extraction interlocking valve 23, note nitrogen pipe machinery overhaul valve 24 form, oil exit pipe one end with by protective 25 Portion is connected, and oil draining system is accessed in one end, and oil exit pipe is provided with oil exit pipe machinery overhaul valve 19, draining valve 18, note nitrogen pipe one end and note Nitrogen fire-extinguishing apparatus are connected, and one end is connected with by the note nitrogen mouth of protective 25 bottom, top conservator 26 and by the company between protective Siphunculus is provided with cut-off valve 20, and note nitrogen fire extinction pipeline 21 is respectively equipped with note nitrogen pipe machinery overhaul valve 24, note nitrogen-oil extraction interlocking valve 23rd, nitrogen injecting valua 22；

See Fig. 4, fire alarm positioner：Report to the police using cable formula fixed temperature detector different from existing transformer fire or Other detectors, can only disposably fire alarm it is impossible to resume combustion fire alarm, can not to fire spots localization, lead to put out a fire System whole shower nozzle blindness ejecting extinguishing simultaneously, excessive to no fire position spray fire extinguishing agent, to fire extinguishing keypoint part fire extinguishing Injection protection not, wastes extinguishing chemical it is impossible to resume combustion fire of putting out a fire to save life and property, continue fire；Existing unattended substation fire alarm Afterwards, cannot confirm under automatic running mode to cause warning malfunction, manually start under mode, face unmanned starting problem again；This Bright setting is made up of contactless fire detector+contactless fire temperature position locator+transformator picture control probe Fire position alarm positioning device, contactless fire detector is typically by point-type infrared flame-failure detector or other similar The fire detector composition of function, be installed in outside transformator two diagonal；Contactless fire temperature position locator is usual Using infrared point temperature instrument or other infrared temperature measurement apparatus, it is installed on transformator fire extinguishing system pipe network, each transformer high-voltage, It is correspondingly arranged one at middle pressure three-phase every phase sleeve pipe, neutral bushing, tap changer flange and low-pressure side three-phase sleeve pipe base flange Non-contact infrared point Wen Yi；Transformator picture control probe using be separately provided or share substation transformer image prison Control probe, be arranged on Explosion of Transformer influence of fire scope outer it is observed that the position of the whole sleeve pipe of transformator；Contactless fire Fire detector 1, contactless fire locating detector 2 signal access fire alarm control unit, and transformator picture control image is believed Number access linking fire controller, show fire alarm, transformator each sleeve pipe infrared point temperature instrument temperature value and transformation in display Device picture control imaging probe fire overlooks panoramic picture.

See Fig. 5, external environment condition monitoring device：Different from existing fire extinguishing system design specification limit can only 2m/s wind speed with Lower use, the heavy rain that avoids negative affects problem to fire extinguishing system extinguishing effect, is not inconsistent with practical service environment, the present invention is from saving Extinguishing chemical and the angle playing fire extinguishing system efficiency arrange the transformer station of wind speed/rainfall monitor, monitoring fire position and rainfall The external environment influence monitoring devices such as transformator picture control, transformator power-off signal, respectively to scene of a fire wind speed and rainfall nearby Measure and observe.Wind speed/rainfall monitor is arranged on the foam device roof in Explosion of Transformer fire safety evaluating region, monitoring Image is provided in observing the position of transformator whole sleeve pipe weak part outside Explosion of Transformer influence of fire scope.Wind The wind speed of speed/rainfall monitor/rainfall signal, transformator power-off signal, transformator picture control image all access linking fire Controller, shows wind speed/rainfall value, transformator power-off signal, fire alarm signal, transformator in display entry condition region Each sleeve pipe infrared point temperature instrument temperature value, transformator picture control imaging probe fire panoramic picture.

See Fig. 6, Fig. 7, Fig. 8, fire alarm and linkage controller and correlation module

Foam-note nitrogen combined system fire alarm linking controller is by fire alarm control unit 30, linking fire controller 31 compositions.Default entry condition control module, in short-term multi-injection module, fire extinguishing keypoint part priviledge module, general top fire Calamity position fire extinguishing control module, general side fire position fire extinguishing control module.

The fire extinguishing preferential fire suppression module of keypoint part：Different from existing transformator fire extinguishing system regardless of fire position, blast fire Calamity coverage, net fire effect, to fire extinguishing keypoint part protection wretched insufficiency, ignore fire general fire position protection with fire extinguishing The difference of keypoint part flame failure protection, adopts whole spray fire extinguishing agents of shower nozzle regardless of primary and secondary blindness, wastes limited going out Fiery agent, inevitable adjacent transformers, surrounding electrical equipment, cable produce working fire, continue fire, resume combustion fire damage, No-voltage of entire station may be directly resulted in, indirectly cause responsible consumer power failure to lose, also cause fire brigade's water fire-fighting to lead to simultaneously Transformer oil drain into Environmental Pollution Loss outside station and social influence's loss；Linkage controller setting fire extinguishing emphasis of the present invention Position control module, to fire extinguishing keypoint part, first passes through the analysis of Explosion of Transformer influence of fire and determines that transformator has fire extinguishing weight Point position, according to fire detector+infrared point temperature instrument exceeded+monitoring image confirm fire concrete position, linkage fire extinguishing emphasis portion Infrared point temperature instrument is exceeded and electric jet control valve for position, is preferentially put out a fire using limited extinguishing chemical：Generally wind speed rainfall reaches Timestamp starts the outer foam spraying of fire extinguishing keypoint part simultaneously and internal note nitrogen fire extinguishing system is put out a fire；Wind speed, rainfall surpass Mark, does not meet the preferential note nitrogen fire extinguishing system that starts during froth fire extinguishing system entry condition and is put out a fire；Below moderate rain and 6m wind speed Restart foam spray fire extinguishing system fire extinguishing.First fire infrared measurement of temperature multiple spot is exceeded, the warm instrument interlink electric injection control valve of point All open shower nozzle and carry out ejecting extinguishing, secondary resume combustion fire, single-point or 2 points of thermometrics exceeded, point warm instrument linkage fire extinguishing emphasis Position electric jet control valve partly open shower nozzle ejecting extinguishing, controls nitrogen-filling system to high-temperature transformer a large amount of in device body simultaneously The lasting resume combustion fire that oil is formed carries out continued down fire extinguishing；The resume combustion fire that repeated, point warm instrument linkage fire extinguishing emphasis portion Position electric jet control valve partly open shower nozzle injection is repeatedly put out a fire；During fire extinguishing, live or close by monitoring image Cut observation fire attack effect, revise the fire extinguishing of fire extinguishing position and control error, using limited extinguishing chemical to save extinguishing chemical, most Efficiently repeatedly fire-fighting mode emphasis put out a fire to save life and property resume combustion fire, continue fire.

See Fig. 9, control flow of putting out a fire：Explosion of Transformer fire fire extinguishing control flow of the present invention, comprises the steps：From the beginning of Fire → fire detector action → sound and light alarm → artificial or image confirmation fire position → environment shadow such as wind speed and rainfall Sound measure → exceed system start-up condition wait environmental condition improve → judge whether fire extinguishing keypoint part → fire extinguishing emphasis Position wind speed and heavy rain situation preferentially start manual after note nitrogen fire extinguishing system → environmental condition meets or telemechanical startup fire extinguishing weight Point position preferential fire suppression module → startups outer foam system all, locally, the point first 4min fire extinguishing → system reset of injection → Secondary continue resume combustion fire → fire detector action → sound and light alarm → artificial or image confirm fire position → manually or Person's telemechanical startup outer foam atomization fire-extinguishing system is put out a fire according to fire position local, the secondary 4min of point injection, simultaneously in startup Portion's oil draining nitrogen filling fire extinguishing fire attack continues resume combustion fire.When there is not fire extinguishing keypoint part：Then start fire general place top Portion or side sleeve pipe fire fire suppression module → startup outer foam system all, locally, point spray first 4min fire extinguishing → system Reset → secondary continue resume combustion fire → fire detector action → sound and light alarm → artificial or image confirm fire position → Start that top or side fire general place continue resume combustion fire fire suppression module → manually or telemechanical starts outer foam and goes out Fiery system, according to fire position local, point injection secondary 10s fire extinguishing, starts internal oil drainage note nitrogen fire extinguishing fire attack simultaneously and continues Resume combustion fire → repetition is until fire extinguishing.

Claims

1. a kind of novel transformer explosive fire accident foam-note nitrogen fire extinguishing system is it is characterised in that the system is reported to the police by fire position Positioner, external environment condition monitoring device, foam spray fire extinguishing pipe network, complete fixed froth installation, oil extraction-cutout-note nitrogen pipe Nitrogen fire-extinguishing apparatus and the foam-note nitrogen combined system fire alarm coordinated signals with various control module are noted in road, reduced form Device is constituted, wherein：

Fire position alarm positioning device is by contactless fire detector 1, contactless fire temperature position locator 2, change Depressor picture control probe (3) composition, is connected with foam-note nitrogen combined system fire alarm linking controller；

External environment condition monitoring device is by wind speed/rainfall monitor (4), transformator power-off signal (5), transformator picture control probe 3 compositions, are connected with foam-note nitrogen combined system fire alarm linking controller；

Foam spray fire extinguishing pipe network is by the supervisor (6) that puts out a fire, subregion selector valve (7), fire extinguishing distribution pipe (8), electric jet control valve (9), fixing or mobile fire extinguishing arm (10), manual injection control valve (11), foam jet (12) composition, fire extinguishing supervisor (6) with Complete fixed froth installation outlet is connected；

Complete fixed froth installation by equipment room (13), be arranged on foam in equipment room (13) and proportion mixer (14), Foam pump (15), fire water box (16), fire water box (16) passes through the device such as pipeline valve, pressure gauge and foam pump (15) phase Even, foam pump (15) is connected with foam and proportion mixer (14) by pipeline, and foam and proportion mixer (14) export Connect fire extinguishing supervisor (6), complete fixed froth installation control circuit is connected with fire alarm control unit；

Oil extraction-cutout-note nitrogen pipeline is respectively by oil exit pipe (17), draining valve (18), oil exit pipe machinery overhaul valve (19), cut-off valve (20), note nitrogen fire extinction pipeline (21), nitrogen injecting valua (22), note nitrogen-oil extraction interlocking valve (23), note nitrogen pipe machinery overhaul valve (24) group Become, oil exit pipe one end is connected with by protective 25 top, oil draining system is accessed in one end, oil exit pipe is provided with oil exit pipe machinery overhaul valve (19), draining valve (18)；Note nitrogen pipe one end with note nitrogen fire-extinguishing apparatus be connected, one end with by the note nitrogen mouth phase of protective (25) bottom Even；Top conservator (26) and be provided with cut-off valve (20) communicating pipe between protective, note nitrogen fire extinction pipeline (21) is upper respectively It is provided with note nitrogen pipe machinery overhaul valve (24), note nitrogen-oil extraction interlocking valve (23), nitrogen injecting valua (22)；

Note nitrogen fire-extinguishing apparatus are formed by noting nitrogen cabinet (27), nitrogen cylinder group (28), nitrogen release device (29) etc., nitrogen release device It is connected with note nitrogen fire extinction pipeline (21)；

Foam-note nitrogen combined system fire alarm linking controller is by fire alarm control unit (30), linking fire controller (31) form.Connect fire position warning positioning and external environment condition monitoring device, complete fixed froth installation, electric jet control Valve, nitrogen filling fire extinguishing device, oil extraction-cutout-nitrogen injecting valua door.

2. according to claim 1 a kind of novel transformer explosive fire accident foam-note nitrogen fire extinguishing system it is characterised in that fire Calamity position alarm positioning device is by contactless fire detector (1), contactless fire temperature position locator (2), transformation Device picture control probe (3) composition；Contactless fire detector is typically similar by point-type infrared flame-failure detector or other The fire detector composition of function, be installed in outside transformator two diagonal；Contactless fire temperature position locator is usual Using infrared point temperature instrument or other infrared temperature measurement apparatus, it is installed on transformator fire extinguishing system pipe network, each transformer high-voltage, It is correspondingly arranged one at middle pressure three-phase every phase sleeve pipe, neutral bushing, tap changer flange and low-pressure side three-phase sleeve pipe base flange Non-contact infrared point Wen Yi；Transformator picture control probe is separately provided or shares substation transformer picture control and visits Head, be arranged on Explosion of Transformer influence of fire scope outer it is observed that the position of the whole sleeve pipe of transformator；Contactless fire is visited Survey device (1), contactless fire locating detector (2) signal, transformer fire panoramic picture all access fire alarm control unit.

3. according to claim 1 a kind of novel transformer explosive fire accident foam-note nitrogen fire extinguishing system it is characterised in that outer Portion's environment monitoring device is by wind speed/rainfall monitor (4), transformator power-off signal (5), transformator picture control probe (3) group Become, wind speed/rainfall monitor (4) is arranged on the complete fixed froth installation equipment roof in Explosion of Transformer fire safety evaluating region, The wind speed of wind speed/rainfall monitor and rainfall measurement signal, transformator power-off signal, transformator environment panoramic picture all access fire Calamity linkage controller.

4. according to claim 1 a kind of novel transformer explosive fire accident foam-note nitrogen fire extinguishing system it is characterised in that bubble Foam spraying fire extinguishing pipe network by the supervisor (6) that puts out a fire, subregion selector valve (7), fire extinguishing distribution pipe (8), electric jet control valve (9), consolidate Fixed or mobile fire extinguishing arm (10), manual injection control valve (11), foam jet (12) composition, fire extinguishing supervisor (6) and complete bubble The outlet of foam sprayer unit is connected, and subregion selector valve (7) connects different subregions transformator fire extinguishing pipe network, connects and go out after subregion selector valve Fiery distribution pipe and fire extinguishing arm, every fixing fire extinguishing arm arranges an electric jet control valve, electric jet control valve and set At pipe, fire alarm positioning infrared point temperature instrument is in interaction relation, is connected with alarm linkage controller, and fixing fire extinguishing arm connects Fire extinguishing stationary nozzle, stationary nozzle is arranged in around transformer body；Removable arm is arranged on and easily produces change in transformator The vicinity of depressor oil splash working fire, mobile arm arranges manual injection control valve and shower nozzle.

5. according to claim 1 a kind of novel transformer explosive fire accident foam-note nitrogen fire extinguishing system it is characterised in that pipe Road is respectively by oil exit pipe (17), draining valve (18), oil exit pipe machinery overhaul valve (19), cut-off valve (20), note nitrogen fire extinction pipeline (21), nitrogen injecting valua (22), note nitrogen-oil extraction interlocking valve (23), note nitrogen pipe machinery overhaul valve (24) composition, note nitrogen pipeline one termination note Nitrogen fire-extinguishing apparatus, transformer body bottom note nitrogen mouth is accessed in one end, and upper part of transformer body, a termination are accessed in oil-drain pipe one end Enter transformator oil draining system.Different from existing oil draining nitrogen filling device pipe network, mechanical oil extraction maintenance be increased on oil-drain pipe Valve, note nitrogen pipeline increased machinery note nitrogen service valve and electronic note nitrogen-oil extraction interlocking valve, draining valve, cut-off valve, nitrogen injecting valua, company Locking-valve is connected with fire alarm linking controller.

6. according to claim 1 a kind of novel transformer explosive fire accident foam-note nitrogen fire extinguishing system it is characterised in that note Nitrogen fire-extinguishing apparatus are formed by noting nitrogen cabinet (27), nitrogen cylinder group (28), nitrogen release device (29) etc., different from existing oil extraction note Nitrogen device, note nitrogen cabinet and foam spray equipment room are arranged in the extraneous home of Explosion of Transformer influence of fire, equipment letter The warning of existing oil draining nitrogen filling device, blocking device, linkage, equipment and foam-note nitrogen combined system fire alarm are changed Linkage controller is connected.

7. according to claim 1 a kind of novel transformer explosive fire accident foam-note nitrogen fire extinguishing system it is characterised in that control Report to the police and position and external environment condition monitoring device, complete fixed froth installation, electric jet control valve, note nitrogen in device processed and fire position Extinguishing device, oil extraction-cutout-nitrogen injecting valua door etc. are connected, fire alarm positioning infrared point temperature at electric jet control valve and sleeve pipe Instrument is set to interaction relation, default entry condition control module, in short-term multi-injection module, fire extinguishing keypoint part priviledge module, General top fire position fire extinguishing control module, general side fire position fire extinguishing control module.