CN208877766U - A kind of anti-explosion-proof moisture-proof oil draining nitrogen filling fire extinguishing device of tripping faulty action preventing of combination distribution - Google Patents

Abstract

The utility model discloses a kind of combinations to distribute the anti-explosion-proof moisture-proof oil draining nitrogen filling fire extinguishing device of tripping faulty action preventing, fire extinguishing protection can be carried out to the more main transformers or reactor interior fires of substation simultaneously, the device uses the combination distribution summarized from engineering practice and fire cases, anti- tripping, faulty action preventing, it is explosion-proof, moisture-proof equal New Technical Measures, when the transformer or reactor generation explosive fire accident in more main transformers or reactor, the device selectively can carry out body interior fires to transformer or reactor device that fire occurs and persistently put out a fire cooling.The oil draining nitrogen filling fire extinguishing device is mainly made of the 4 big components such as transformer or reactor oil draining nitrogen filling fire-extinguishing cabinet, drain line, note nitrogen fire-fighting pipeline, transformer fire alarm and coordinated control system.

Description

A kind of anti-explosion-proof moisture-proof oil draining nitrogen filling fire extinguishing device of tripping faulty action preventing of combination distribution

Technical field

The utility model belongs to substation's fire fighting device, and in particular to a kind of anti-tripping faulty action preventing of combination distribution is explosion-proof moisture-proof Oil draining nitrogen filling fire extinguishing device technology.

Background technique

For a long time, many areas in China by the natural conditions such as drought and water shortage and prolonged cold frost due to being limited, very much The main transformer of substation's core equipment can only be gone out using the oil draining nitrogen filling fire extinguishing device of anti-freezing economical to carry out transformer fire Fire.Since oil-drainage nitrogen-filling fire-extinguishing needs to be directly connected to transformer, since low cost, manufacturer use inferior materials and turn out substandard goods, assembly quality Unqualified, gb specification is insufficient to transformer fire understanding, oil draining nitrogen filling fire extinguishing device protection scope and the fire extinguishing of practical fire are special The reasons such as the serious disconnection of point prevent oil draining nitrogen filling fire extinguishing device from promoting and applying in the whole country, while also creating a large amount of Tripping malfunction case, there is also a large amount of nitrogen cylinders and conservator risk of explosion for the setting of many oil draining nitrogen filling fire extinguishing devices:

Case one: Chongqing City * * 500kV becomes 19 points of nitrogen charging extinguishing device malfunction oil extractions in 30 minutes on May 30th, 2011, causes Main transformer has a power failure 29 days, and the * * * type nitrogen charging extinguishing device of Changzhou * * power equipment Co., Ltd., Factory, original production producer causes malfunction The reason is that being vibrated for a long time by transformer station high-voltage side bus, the wiring board of control system overstocks dust for a long time to be caused without timely maintenance management Internal system short circuit, signal recognition entanglement add oil extraction electromagnet chronic constriction, lead to the generation of this accident；

Case two: Jilin * * become 2# main transformer on January 9th, 2004 due to nitrogen charging extinguishing device nitrogen gas control valve break down, Enter helium leak in nitrogen cylinder in transformer oil, pressure is formed to transformer, it is dynamic to finally result in pressure-relief valve for transformer Work and radiator part cooling fin crack damage, ultimately cause the serious consequence of 2# main transformer forced outage；

Case three: Shanghai Power Company * * becomes 1# main transformer on March 4th, 2009 there is no fire, but nitrogen charging extinguishing device Serious malfunction occurs, accident investigation finds that of short duration superpressure occurs for transformer, and pressure still deficiency causes Explosion of Transformer fire, still Certain producers emphasize that fire extinguishing system has the function of to prevent Explosion of Transformer according to the needs of products propaganda, in no national standard foundation In the case where, oil draining nitrogen filling protection is carried out to the increased transformer of brief pressure without authorization, the serious consequence for causing 1# main transformer to stop transport；

Case four: Jilin * * becomes the platinum formula thermometer sense carried due to nitrogen charging extinguishing device 3# main transformer on April 13rd, 2010 There is wrong fire alarm in warm breakdown detector, leads to the malfunction fire extinguishing of oil extraction nitrogen charging extinguishing device, ultimately causes 3# main transformer quilt Compel the serious consequence stopped transport；

With the development of national economy, power grid is increasingly strengthened as the effect of energy resource supply important sources, power grid The substation of important composition part, operational reliability and security requirement are also increased to unprecedented height, improve and become The fire-fighting of power station core equipment main transformer explosive fire accident is horizontal, reduces oil draining nitrogen filling tripping malfunction etc. and needs also to become more to step up Compel.

Summary of the invention

Anti- tripping is distributed the purpose of this utility model is to provide transformer in a kind of substation or reactor combination to prevent The explosion-proof moisture-proof oil draining nitrogen filling fire extinguishing device of malfunction protects 1~9 transformer or reactor using a set of extinguishing device, maximum Limit reduces construction investment, reduces extinguishing device occupied area, reduces operation and maintenance amount；Using engineering practice and fire The new technology for much preventing conventional transformer oil draining nitrogen filling fire extinguishing device tripping malfunction gas cylinder and conservator from exploding of case summary is arranged It applies, and the moisture-proof New Technical Measures for preventing outdoor wet environment from causing error action of device, guarantees the system in many water shortages in China Frost region can effectively be saved main transformer or reactor explosive fire accident, play nitrogen filling fire extinguishing device and continue 30 minutes or more To transformer and reactor fire flame failure protection function, provide strong guarantee for the fire extinguishing of transformer fire extinguishing system.

The technical solution of the utility model is:

By engineering practice and fire cases, oil draining nitrogen filling fire extinguishing device for transformer, there are problem, transformers seriously to explode Influence of fire is analyzed, in conjunction with the anti-tripping malfunction experience of State Grid Corporation of China's oil draining nitrogen filling fire extinguishing device ----grasp oil draining nitrogen filling Extinguishing device deficiency present in the serious explosive fire accident of transformer ----improve oil draining nitrogen filling fire extinguishing device for transformer ----logical Cross transformer analog fire test --- whether-verifying device reliability validity practicability meets the fire extinguishing of Explosion of Transformer fire It is required that；

1, a kind of combination distributes the anti-explosion-proof moisture-proof oil draining nitrogen filling fire extinguishing device of tripping faulty action preventing, including oil draining nitrogen filling fire extinguishing Cabinet, drain line, note nitrogen fire-fighting pipeline, transformer fire alarm and coordinated control system this 4 big component；Its structure is oil extraction note Nitrogen fire-extinguishing cabinet is separately connected transformer fire alarm and coordinated control system, drain line and note nitrogen fire-fighting pipeline, transformer fire Calamity alarm and coordinated control system are connected by control route and power circuit with oil draining nitrogen filling fire-extinguishing cabinet, and drain line one end is logical It crosses oil exit pipe compensator to be connected with the oil extraction of fire-extinguishing cabinet supervisor's entrance, the other end passes through the oil extraction interface valve and transformation on transformer Device body is connected, and note nitrogen fire-fighting pipeline one end is responsible for by nitrogen extinguishing to be connected with the nitrogen delivery outlet of fire-extinguishing cabinet, and the other end is logical Transformer note nitrogen isolating valve is crossed to be connected with transformer body, in which:

Oil draining nitrogen filling fire-extinguishing cabinet component is the device core component for controlling oil draining nitrogen filling fire extinguishing device oil extraction and infusing nitrogen fire extinguishing, Faulty action preventing oil extraction electromagnetic tripping apparatus, oil extraction weight, fan-shaped oil extraction latch lever, mechanical oil extraction including controlling transformer oil extraction Entrance, the electrical lock valve of faulty action preventing, oil extraction service valve, fire-extinguishing cabinet oil extraction are responsible in valve, mechanical oil extraction nitrogen charging interlocking valve, oil extraction Pipe, draining valve inspection hole and leakage alarm device, oil guide pipe；Nitrogen cylinder, the nitrogen cylinder main air valve, nitrogen master of control note nitrogen fire extinguishing Pipeline, nitrogen pressure reducing valve, nitrogen outfeed pressure gauge, nitrogen pressure table, nitrogen charging deferred mount, faulty action preventing nitrogen charging electromagnetic trip dress It sets, the structures such as nitrogen charging weight, nitrogen charging weight connecting rod, mechanical nitrogen fill valve, nitrogen charging pressure cap, nitrogen orifice union, nitrogen delivery outlet Component composition；When fire needs to start oil draining nitrogen filling fire-extinguishing cabinet, fire alarm and linkage control system passes through linkage control Faulty action preventing oil extraction electromagnetic tripping apparatus movement in oil draining nitrogen filling fire-extinguishing cabinet processed, is supported on faulty action preventing oil extraction electromagnetic tripping apparatus Oil extraction weight fall, drive the fan-shaped oil extraction latch lever that is connected with oil extraction weight to act, open mechanical draining valve and machinery Transformer is controlled after formula oil extraction nitrogen charging interlocking valve carries out pressure oil extraction by oil extraction supervisor's entrance at the top of fire-extinguishing cabinet；Meanwhile being The maintenance of fire-extinguishing cabinet oil exit pipe is provided with oil extraction on the fire-extinguishing cabinet oil exit pipe between mechanical draining valve and oil extraction supervisor's entrance and examines Repair valve and the electrical lock valve of faulty action preventing；Row is provided with close to mechanical draining valve lower end between mechanical draining valve and oil guide pipe Oil valve inspection hole and leakage alarm device；Fire alarm and linkage control system in linkage control oil draining nitrogen filling fire-extinguishing cabinet by opening It after dynamic transformer oil extraction, then controls and is delayed for the nitrogen charging deferred mount of nitrogen starting, delay finishes linkage faulty action preventing and fills The movement of nitrogen electromagnetic tripping apparatus, the nitrogen charging weight being supported on faulty action preventing nitrogen charging electromagnetic tripping apparatus are fallen, and are driven and nitrogen charging weight The connected nitrogen charging weight connecting rod movement of hammer, opens mechanical nitrogen fill valve, by the nitrogen cylinder main air valve on nitrogen cylinder, then passes through nitrogen Nitrogen pressure reducing valve decompression on air pipe, to nitrogen main line nitrogen charging, the nitrogen of nitrogen charging fire extinguishing is filled along nitrogen main line opening Nitrogen pressure cap, by nitrogen charging fire extinguishing nitrogen orifice union, nitrogen delivery outlet is connected with note nitrogen fire-fighting pipeline；Nitrogen pressure and nitrogen charging Pressure is monitored by the nitrogen pressure table on nitrogen cylinder and the nitrogen outfeed pressure gauge in nitrogen pipeline respectively；Oil draining nitrogen filling fire extinguishing The moisture-proof facility of cabinet is by temperature and humidity controller, anti-condensation heater, moisture-proof junction box, the components such as connecting terminal block composition；By warm and humid Controller is spent by power circuit and control route respectively with anti-condensation heater, and moisture-proof junction box, connecting terminal block is connected, works as temperature When humidity is excessively high, automatically controls anti-condensation heater and heating and dehumidification is carried out to oil draining nitrogen filling fire-extinguishing cabinet A；

The both ends of drain line component are separately connected oil extraction interface valve on the oil extraction supervisor's entrance and transformer of fire-extinguishing cabinet, by The oil extraction interface valve being connected with main transformer or reactor top body, oil exit pipe gas deflation assembly, oil extraction branch pipe, oil exit pipe are mended Repay device, oil draining nitrogen filling supply lines valve cabinet, oil circuit isolating valve, faulty action preventing oil extraction selector valve, drain line maintenance valve, oil extraction supervisor Equal components composition, oil circuit isolating valve are check valve, and drain line is divided into oil pipe line and without oil pipe line, along row by oil circuit isolating valve One section oil extraction of the oily flow direction from the connected oil extraction interface valve of main transformer or reactor top body to oil circuit isolating valve Branch pipe is band oil pipe line: the setting of oil extraction interface valve is in transformer body eminence, and usually normally opened, Repair of Transformer is closed when installing, Oil exit pipe gas deflation assembly is set at the highest point of the oil extraction branch pipe with oil, the oil extraction branch pipe of band oil by oil exit pipe compensator and Oil circuit isolating valve in oil draining nitrogen filling supply lines valve cabinet is connected；No oil pipe line includes one section of row that oil circuit isolating valve to oil extraction is responsible for One section of oil extraction of oil inlet pipe and oil extraction branch pipe to fire-extinguishing cabinet oil extraction supervisor's entrance is responsible for: faulty action preventing oil extraction is connected after oil circuit isolating valve Selector valve, faulty action preventing oil extraction selector valve is connected by control line and power supply line with fire alarm and linkage control system, by fire Alarm and coordinated control system are opened or closed according to fire condition control；In order to meet the maintenance of oil-free oil extraction branch pipe, in nothing It is provided with drain line after the faulty action preventing oil extraction selector valve of oily oil extraction branch pipe and overhauls valve；

The both ends of note nitrogen fire-fighting pipeline component are separately connected the nitrogen delivery outlet and transformer note nitrogen isolating valve of fire-extinguishing cabinet, by Nitrogen isolating valve, note nitrogen fire extinguishing branch pipe are infused, nitrogen shunt assembly infuses nitrogen fire extinguishing distribution pipe, and nitrogen gas deflation assembly infuses nitrogen fire-fighting pipeline Compensator, oil gas isolating valve, faulty action preventing nitrogen extinguishing selector valve infuse nitrogen fire-fighting pipeline service valve, note nitrogen fire extinguishing distribution pipe, nitrogen The compositions such as fire extinguishing supervisor, note nitrogen fire-fighting pipeline all use equal diameter pipe, and oil gas isolating valve is check valve, and oil gas isolating valve will be infused Nitrogen fire-fighting pipeline is separated into band oil pipe line and oil-free nitrogen charging pipeline, along nitrogen charging airflow direction from the nitrogen delivery outlet of fire-extinguishing cabinet to One section of note nitrogen fire-fighting pipeline that oil gas isolating valve was responsible for and infused nitrogen fire extinguishing distribution pipe comprising nitrogen extinguishing is no oil pipe line, the section pipe Road is usually full of low-pressure nitrogen or general air, by nitrogen delivery outlet connection nitrogen extinguishing supervisor, note nitrogen fire extinguishing distribution pipe, note Nitrogen fire-fighting pipeline service valve and faulty action preventing nitrogen extinguishing selector valve, faulty action preventing nitrogen extinguishing selector valve pass through control line and electricity Source line is connected with fire alarm and linkage control system, is controlled and is opened according to fire condition by fire alarm and linkage control system Or it closes；Note nitrogen isolating valve one section note nitrogen fire extinguishing tube connected to main transformer or reactor top body from oil gas isolating valve Road is band oil pipe line, connection note nitrogen fire-fighting pipeline compensator, note nitrogen fire extinguishing distribution pipe, note nitrogen after the oil gas isolating valve with oil pipe line Nitrogen gas deflation assembly is set at highest point in distribution pipe of putting out a fire, and it is low that note nitrogen fire extinguishing distribution pipe by transformer eminence is connected to transformer again Note nitrogen fire extinguishing distribution pipe is divided into two note nitrogen and put out a fire branch pipes by the nitrogen shunt assembly at place, be connected respectively to every transformer or On 2~4 note nitrogen isolating valves that person's reactor is usually arranged, usually note nitrogen isolating valve is normally opened, and Repair of Transformer is closed when installing；

Transformer fire alarm and coordinated control system components are oil draining nitrogen filling fire-extinguishing cabinet, drain line, note nitrogen go out The electrically operated valve of fire tube road or the control system of actuating mechanism, using the dry powder-shared with transformer powder extinguishing system Infuse the alarm of nitrogen fire extinguishing system and coordinated control system.

Utility model device be different from 1 set extinguishing device of existing oil draining nitrogen filling fire extinguishing device, 1 transformer of protection or The way of reactor can protect 1~9 transformer or reactor using the combination a set of extinguishing device of the method for salary distribution, maximum The saving occupied area of degree reduces operation and maintenance amount, construction investment is greatly reduced；

Utility model device analyzes oil draining nitrogen filling fire extinguishing device for transformer tripping case, many Explosion of Transformer cases Middle Transformer Heavy Gas and pressure switch all do not act, but national standard oil draining nitrogen filling device is by Transformer Heavy Gas and transformer Tank overpressure action signal starts logical action signal as transformer fire extinguishing system, causes fire extinguishing system that tripping occurs, therefore, It is dynamic as transformer fire extinguishing system starting logic that the device eliminates Transformer Heavy Gas and oil tank of transformer superpressure action signal The way for making signal, the auxiliary logic only with a kind of three signal of side circuit breaker trip of transformer as transformer fire start letter Number；

Utility model device faulty action preventing analyzes a large amount of oil-drainage nitrogen-filling fire-extinguishing malfunction case, takes following arrange It applies: 1) eliminating the detector for fire alarm system of oil draining nitrogen filling itself setting, shared with transformer powder extinguishing system more reliable Transformer fire alarm and coordinated control system, setting non-contact infrared ultraviolet dual wave-band fire detector carry out fire report Alert, setting image detector automatically confirms that mode by fire image manual confirmation+infrared temperature sensor, guarantees there was only fire Occur just to start fire extinguishing system；2) device improves malfunction component in oil draining nitrogen filling fire-extinguishing cabinet A compared with national standard oil draining nitrogen filling device: Improve faulty action preventing oil extraction electromagnetic tripping apparatus in drain line, mechanical oil extraction nitrogen charging interlocking valve, the maintenance of fire-extinguishing cabinet oil exit pipe When the electrical lock valve of faulty action preventing, oil extraction service valve and leakage alarm device；It improves and infuses faulty action preventing in nitrogen pipeline in fire-extinguishing cabinet Nitrogen charging electromagnetic tripping apparatus, nitrogen orifice union；Increase draining valve inspection hole and leakage alarm device；3) fire-extinguishing cabinet and transformation Drain line component between device increases oil draining nitrogen filling supply lines valve cabinet compared with national standard oil draining nitrogen filling device, increases drain line group Oil circuit isolating valve in part, faulty action preventing oil extraction selector valve, the components such as drain line service valve increase note nitrogen fire-fighting pipeline component In oil gas isolating valve, faulty action preventing nitrogen extinguishing selector valve, note nitrogen fire-fighting pipeline overhaul valve module；Oil circuit isolating valve and oil gas every Drain line and note nitrogen fire-fighting pipeline are separated into oil-filled pipeline respectively from valve and without oil pipe line, drain line service valve and note nitrogen Fire-fighting pipeline service valve is arranged on no oil pipe line, and the facility maintenance of oil draining nitrogen filling pipeline can carry out at any time；When transformer is sent out When calamity of lighting a fire, faulty action preventing oil extraction selector valve in oil draining nitrogen filling supply lines valve cabinet and faulty action preventing nitrogen near fire transformer go out Fiery selector valve is alarmed by transformer fire and the fire transformer alarm signal and fire image of coordinated control system component are fixed The position chain unlatching of multiple signals such as signal and three side circuit breaker trip of transformer, other there is no the transformer oil extractions of fire Faulty action preventing oil extraction selector valve B5 and faulty action preventing nitrogen extinguishing selector valve on note nitrogen pipeline do not have above-mentioned fire interlocking signal, keep It closes；

Oil draining nitrogen filling fire-extinguishing cabinet is arranged in transformer top surface casing or side bushing explosion shadow utility model device It rings outside range, is put together with powder extinguishing system equipment outside transformer, avoid nitrogen caused by the transformer oil high temperature scene of a fire Gas bottle explosion is dangerous, and when not can avoid, fire-proof and explosion-proof measure is arranged；The device eliminates the setting of national standard oil draining nitrogen filling device Cutout system, preferentially carries out pressure oil extraction to the transformer oil in conservator, and eliminating transformer conservator is located at upper part of transformer body After the danger that may cause conservator explosion working fire, then just start fire extinguishing program；In addition, being carried out to transformer oil in conservator It is preferential to force oil extraction, it can also prevent high-temperature transformer oil fire from may break caused by the conservator support steel structure big oil mass It is bad；

Utility model device is provided with high-power dedicated moisture-proof facility, and moisture-proof facility is moisture-proof to add by temperature and humidity controller Hot device, moisture-proof junction box, the components such as connecting terminal block composition achieve good dampproof effect using for many years in engineering；

The beneficial effects of the utility model are embodied in: the present apparatus is that transformer or the fire extinguishing of reactor fire are essential Extinguishing device can protect 1~9 transformer or reactor using a set of extinguishing device using combination distribution protected mode, Construction investment is greatly reduced, by largely analyzing and testing, many places, which use, prevents conventional transformer oil draining nitrogen filling fire extinguishing dress The New Technical Measures and the moisture-proof New Technical Measures of fire-extinguishing cabinet for setting tripping malfunction explosion, ensure that the system much lacks in China Water frost region also can effectively be saved main transformer or reactor explosive fire accident, play nitrogen filling fire extinguishing device 30 minutes or more Flame failure protection function is continued to transformer and reactor fire, for transformer fire extinguishing system fire extinguishing strong guarantee is provided.

Detailed description of the invention

Fig. 1 is the extinguishing device composed structure schematic diagram of the utility model；

Fig. 2 is the extinguishing device fire-extinguishing cabinet composed structure schematic diagram of the utility model.

Specific embodiment

With reference to the accompanying drawing to a kind of anti-explosion-proof moisture-proof oil draining nitrogen filling of tripping faulty action preventing of combination distribution described in the utility model Extinguishing device is described further.

2, see Fig. 1, a kind of anti-explosion-proof moisture-proof oil draining nitrogen filling fire extinguishing device of tripping faulty action preventing of combination distribution, it is characterised in that: Including oil draining nitrogen filling fire-extinguishing cabinet A, drain line B, note nitrogen fire-fighting pipeline C, transformer fire alarm and coordinated control system D this 4 Big component；Its structure is that oil draining nitrogen filling fire-extinguishing cabinet A is separately connected transformer fire alarm and coordinated control system D, drain line B Pass through control route and power circuit and oil draining nitrogen filling with note nitrogen fire-fighting pipeline C, transformer fire alarm and coordinated control system D Fire-extinguishing cabinet A is connected, and the one end drain line B is responsible for entrance A6 with the oil extraction of fire-extinguishing cabinet A by oil exit pipe compensator B4 and is connected, another End is connected by the oil extraction interface valve B1 on transformer with transformer body, and note one end nitrogen fire-fighting pipeline C passes through nitrogen extinguishing master Pipe C10 is connected with the nitrogen delivery outlet A25 of fire-extinguishing cabinet A, and the other end infuses nitrogen isolating valve C1 and transformer body phase by transformer Even, in which:

Oil draining nitrogen filling fire-extinguishing cabinet A component is the device core portion for controlling oil draining nitrogen filling fire extinguishing device oil extraction and infusing nitrogen fire extinguishing Part, including control the faulty action preventing oil extraction electromagnetic tripping apparatus A1 of transformer oil extraction, oil extraction weight A2, fan-shaped oil extraction latch lever A3, Entrance A6, the electrical lock valve A7 of faulty action preventing, oil extraction are responsible in mechanical draining valve A4, mechanical oil extraction nitrogen charging interlocking valve A5, oil extraction Service valve A8, fire-extinguishing cabinet oil exit pipe A9, draining valve inspection hole and leakage alarm device A10, oil guide pipe A11；Control note nitrogen fire extinguishing Nitrogen cylinder A12, nitrogen cylinder main air valve A13, nitrogen main line A14, nitrogen pressure reducing valve A15, nitrogen outfeed pressure gauge A16, nitrogen Cylinder pressure gauge A17, nitrogen charging deferred mount A18, faulty action preventing nitrogen charging electromagnetic tripping apparatus A19, nitrogen charging weight A20, nitrogen charging weight The construction packages groups such as connecting rod A21, mechanical nitrogen fill valve A22, nitrogen charging pressure cap A23, nitrogen orifice union A24, nitrogen delivery outlet A25 At；When fire needs to start oil draining nitrogen filling fire-extinguishing cabinet A, fire alarm and linkage control system D is arranged by linkage control Faulty action preventing oil extraction electromagnetic tripping apparatus A1 movement in oil note nitrogen fire-extinguishing cabinet A, is supported on faulty action preventing oil extraction electromagnetic tripping apparatus A1 On oil extraction weight A2 fall, drive the fan-shaped oil extraction latch lever A3 that is connected with oil extraction weight A2 to act, open mechanical oil extraction Transformer is controlled after valve A4 and mechanical oil extraction nitrogen charging interlocking valve A5 to carry out by the oil extraction supervisor entrance A6 at the top of fire-extinguishing cabinet A Force oil extraction；Meanwhile the fire-extinguishing cabinet between entrance A6 is responsible in mechanical draining valve A4 and oil extraction for the maintenance of fire-extinguishing cabinet oil exit pipe The oil extraction service valve A8 and electrical lock valve A7 of faulty action preventing is provided on oil exit pipe A9；In mechanical draining valve A4 and oil guide pipe A11 Between close to the lower end mechanical draining valve A4 be provided with draining valve inspection hole and leakage alarm device A10；Fire alarm and linkage After control system D is by starting transformer oil extraction in linkage control oil draining nitrogen filling fire-extinguishing cabinet A, then control filling for nitrogen starting Nitrogen deferred mount A18 is delayed, and delay finishes linkage faulty action preventing nitrogen charging electromagnetic tripping apparatus A19 movement, is supported on faulty action preventing Nitrogen charging weight A20 on nitrogen charging electromagnetic tripping apparatus A19 is fallen, and drives the nitrogen charging weight connecting rod 21 being connected with nitrogen charging weight A20 Movement, opens mechanical nitrogen fill valve A22, by the nitrogen cylinder main air valve A13 on nitrogen cylinder A12, then passes through nitrogen pipeline A14 On nitrogen pressure reducing valve A15 decompression, to nitrogen main line A14 nitrogen charging, the nitrogen of nitrogen charging fire extinguishing is opened along nitrogen main line A14 Nitrogen charging pressure cap A23 is connected by nitrogen charging fire extinguishing nitrogen orifice union A24, nitrogen delivery outlet A25 with note nitrogen fire-fighting pipeline C；Nitrogen Bottle pressure and nitrogen charging pressure export pressure by the nitrogen on the nitrogen pressure Table A 17 and nitrogen pipeline A14 on nitrogen cylinder A12 respectively Power Table A 16 monitors；The moisture-proof facility of oil draining nitrogen filling fire-extinguishing cabinet A is by temperature and humidity controller A26, and anti-condensation heater A27 is moisture-proof to connect Line case A28, the components such as connecting terminal block A28 composition；By temperature and humidity controller A26 by power circuit and control route respectively with Anti-condensation heater A27, moisture-proof junction box A28, connecting terminal block A28 are connected, when temperature and humidity is excessively high, automatically control moisture-proof heating Device A27 carries out heating and dehumidification to oil draining nitrogen filling fire-extinguishing cabinet A；

The both ends of drain line B component are separately connected oil extraction interface on the oil extraction supervisor entrance A6 and transformer of fire-extinguishing cabinet A Valve B1, by the oil extraction interface valve B1 being connected with main transformer or reactor top body, oil exit pipe gas deflation assembly B2, oil extraction branch Pipe B3, oil exit pipe compensator B4, oil draining nitrogen filling supply lines valve cabinet B5, oil circuit isolating valve B6, faulty action preventing oil extraction selector valve B7, oil extraction The components composition such as B9 is responsible in line service valve door B8, oil extraction, and oil circuit isolating valve B6 is check valve, and oil circuit isolating valve B6 is by oil exit pipe Road B points for band oil pipe line and without oil pipe line, the row connected from main transformer or reactor top body along oil extraction flow direction One section of oil extraction branch pipe B3 of oily interface valve B1 to oil circuit isolating valve B6 is band oil pipe line: oil extraction interface valve B1 is arranged in transformer device Usually normally opened at height, Repair of Transformer is closed when installing, and setting oil exit pipe is arranged at the highest point of the oil extraction branch pipe B3 with oil Pneumatic module B2, the oil extraction branch pipe B3 with oil are isolated by oil exit pipe compensator B4 with the oil circuit in oil draining nitrogen filling supply lines valve cabinet B5 Valve B6 is connected；No oil pipe line include oil circuit isolating valve B6 to oil extraction supervisor B9 one section of oil extraction branch pipe B3 and oil extraction branch pipe B3 extremely One section of oil extraction supervisor of entrance A6 is responsible in fire-extinguishing cabinet oil extraction: faulty action preventing oil extraction selector valve B7 is connected after oil circuit isolating valve B6, it is anti-error Dynamic oil extraction selector valve B7 is connected by control line and power supply line with fire alarm and linkage control system D, by fire alarm and connection Autocontrol system D is opened or closed according to fire condition control；In order to meet the maintenance of oil-free oil extraction branch pipe, in oil-free oil extraction branch It is provided with drain line after the faulty action preventing oil extraction selector valve B7 of pipe and overhauls valve B8；

The both ends of note nitrogen fire-fighting pipeline C component are separately connected nitrogen delivery outlet A25 and the transformer note nitrogen isolation of fire-extinguishing cabinet A Valve C1 infuses nitrogen fire extinguishing branch pipe C2, nitrogen shunt assembly C3, note nitrogen fire extinguishing distribution pipe C4, nitrogen exhaust group by note nitrogen isolating valve C1 Part C5 infuses nitrogen fire-fighting pipeline compensator C6, oil gas isolating valve C7, faulty action preventing nitrogen extinguishing selector valve C8, note nitrogen fire-fighting pipeline inspection Valve C9 is repaired, composition, the note nitrogen fire-fighting pipeline C such as note nitrogen fire extinguishing distribution pipe C4, nitrogen extinguishing supervisor C10 all use equal diameter pipe, Oil gas isolating valve C7 is check valve, and oil gas isolating valve C7 will infuse nitrogen fire-fighting pipeline C and be separated into band oil pipe line and oil-free nitrogen blanketing valve Road includes nitrogen extinguishing supervisor C10 and note from the nitrogen delivery outlet A25 to oil gas isolating valve C7 of fire-extinguishing cabinet along nitrogen charging airflow direction One section of note nitrogen fire-fighting pipeline C of nitrogen fire extinguishing distribution pipe C4 is no oil pipe line, this section of pipeline is usually full of low-pressure nitrogen or general Air, by nitrogen delivery outlet A25 connection nitrogen extinguishing supervisor C10, note nitrogen fire extinguishing distribution pipe C4, note nitrogen fire-fighting pipeline service valve C9 and faulty action preventing nitrogen extinguishing selector valve C8, faulty action preventing nitrogen extinguishing selector valve C8 pass through control line and power supply line and fire Alarm and coordinated control system D are connected, and are opened or closed by fire alarm and linkage control system D according to fire condition control； Note nitrogen isolating valve C1 mono- section note nitrogen fire-fighting pipeline connected to main transformer or reactor top body from oil gas isolating valve C7 For band oil pipe line, connection note nitrogen fire-fighting pipeline compensator C6 after the oil gas isolating valve C7 with oil pipe line, note nitrogen fire extinguishing distribution pipe C4, It infuses and nitrogen gas deflation assembly C5 is set at highest point on nitrogen fire extinguishing distribution pipe C4, note nitrogen fire extinguishing distribution pipe C4 is connect again by transformer eminence To the nitrogen shunt assembly C3 of transformer lower, it is two note nitrogen fire extinguishing branch pipe C2 that note nitrogen fire extinguishing distribution pipe C4, which is divided to, is connected respectively It is connected on 2~4 note nitrogen isolating valve C1 that every transformer or reactor are usually arranged, usually note nitrogen isolating valve C1 is normally opened, Repair of Transformer is closed when installing；

Transformer fire alarm and coordinated control system component D component are oil draining nitrogen filling fire-extinguishing cabinet A, drain line B, infuse nitrogen The control system of electrically operated valve or actuating mechanism on fire-fighting pipeline C, it is dry using being shared with transformer powder extinguishing system Powder-note nitrogen fire extinguishing system alarm and coordinated control system.

When specific implementation: the device, which is different from 1 set of extinguishing device of existing oil draining nitrogen filling fire extinguishing device, can only protect 1 change The protected mode of depressor or reactor, using combination a set of extinguishing device of the method for salary distribution can protect 1~9 transformer or Person's reactor, saves occupied area to the greatest extent, and construction investment is greatly reduced in less operation and maintenance amount；

When specific implementation: oil draining nitrogen filling fire-extinguishing cabinet is arranged in transformer top surface casing or side bushing explosion the device Outside coverage, put together with powder extinguishing system equipment outside transformer, caused by avoiding the transformer oil high temperature scene of a fire When not can avoid, fire-proof and explosion-proof measure will be arranged in nitrogen cylinder explosion danger；；The device eliminates national standard oil draining nitrogen filling device and sets The cutout system set, preferentially carries out pressure oil extraction to the transformer oil in conservator, and eliminating transformer conservator is located at transformer body After top may cause the danger of conservator explosion working fire, then just start fire extinguishing program；

When specific implementation: in order to solve the problems, such as existing oil draining nitrogen filling fire extinguishing device tripping, device analysis transformer row Oily nitrogen filling fire extinguishing device tripping case, Transformer Heavy Gas and pressure switch are all without dynamic in many Explosion of Transformer cases Make, but national standard oil draining nitrogen filling device is using Transformer Heavy Gas and oil tank of transformer superpressure action signal as transformer fire extinguishing system Start logical action signal, causes fire extinguishing system that tripping occurs, therefore, which eliminates Transformer Heavy Gas and transformer oil Way of the case superpressure action signal as transformer fire extinguishing system starting logical action signal, only with three side breaker of transformer Trip a kind of auxiliary logic enabling signal of signal as transformer fire, prevent because transformer Buchholz relay and pressure after Fire extinguishing system tripping caused by electric appliance is not operating；

When specific implementation: in order to solve the problems, such as existing oil draining nitrogen filling fire extinguishing device malfunction, which is analyzed greatly The oil-drainage nitrogen-filling fire-extinguishing malfunction case of amount has been drawn State Grid Corporation of China's oil draining nitrogen filling fire extinguishing device faulty action preventing experience, has been adopted It has taken following measures: 1) having eliminated the detector for fire alarm system of oil draining nitrogen filling itself setting, it is total with transformer powder extinguishing system With more reliable transformer fire alarm and coordinated control system, setting non-contact infrared ultraviolet dual wave-band fire detector into Row fire alarm is arranged image detector by fire image manual confirmation+infrared temperature sensor and automatically confirms that mode, guarantees Only transformer fire occurs just to start fire extinguishing system；2) the drain line B component of fire-extinguishing cabinet A and transformer bay is compared with national standard oil extraction Nitrogen injection device increases oil draining nitrogen filling supply lines valve cabinet B5, increases the oil circuit isolating valve B6 in drain line B component, faulty action preventing Oil extraction selector valve B7, drain line service valve B8 etc. components increase the oil gas isolating valve C7 in note nitrogen fire-fighting pipeline C component, Faulty action preventing nitrogen extinguishing selector valve C8 infuses nitrogen fire-fighting pipeline service valve C9 component；Oil circuit isolating valve B6 and oil gas isolating valve C6 points Drain line B and note nitrogen fire-fighting pipeline C are not separated into oil-filled pipeline and gone out without oil pipe line, drain line service valve B8 and note nitrogen Fiery line service valve C9 is arranged on no oil pipe line, and the maintenance of oil draining nitrogen filling pipeline can carry out at any time, guarantees that system is in most Good state；The faulty action preventing oil extraction in oil draining nitrogen filling supply lines valve cabinet B5 when Causing Fire in Transformer, near fire transformer Selector valve B5 and faulty action preventing nitrogen extinguishing selector valve C8 by fire transformer alarm signal and fire image positioning signal and The chain unlatchings of multiple signals such as three side circuit breaker trip of transformer, on other transformer oil draining nitrogen filling pipelines there is no fire Faulty action preventing oil extraction selector valve B5 and faulty action preventing nitrogen extinguishing selector valve C8 there is no above-mentioned fire interlocking signal, remain turned-off, keep away Exempt from that malfunction occurs.

When specific implementation: being arranged in the drain line B component and note nitrogen fire-fighting pipeline C group of transformer or reactor one end Part should avoid transformer top surface casing or the setting of side bushing explosion coverage as far as possible, tight when that bushing shell for transformer may occur Transformer part explode again after smashes the drain line B component and note nitrogen fire-fighting pipeline C component of oil draining nitrogen filling fire extinguishing device When, Explosion of Transformer fire fire extinguishing system pipe network explosion-protection equipment should be set, the patent of applicant's application is detailed in；The utility model is real Shi Shi must not influence transformer or reactor arrangement safety in production and operation and maintenance.

Claims (1)

1. a kind of combination distributes the anti-explosion-proof moisture-proof oil draining nitrogen filling fire extinguishing device of tripping faulty action preventing, it is characterised in that: infused including oil extraction This is 4 big for nitrogen fire-extinguishing cabinet (A), drain line (B), note nitrogen fire-fighting pipeline (C), transformer fire alarm and coordinated control system (D) Component；Its structure is that oil draining nitrogen filling fire-extinguishing cabinet (A) is separately connected transformer fire alarm and coordinated control system (D), oil exit pipe Road (B) and note nitrogen fire-fighting pipeline (C), transformer fire alarm and coordinated control system (D) pass through control route and power circuit It is connected with oil draining nitrogen filling fire-extinguishing cabinet (A), drain line one end (B) passes through the oil extraction of oil exit pipe compensator (B4) and fire-extinguishing cabinet (A) It is responsible for entrance (A6) to be connected, the other end is connected by the oil extraction interface valve (B1) on transformer with transformer body, note nitrogen fire extinguishing Pipeline one end (C) is connected by nitrogen extinguishing supervisor (C10) with the nitrogen delivery outlet (A25) of fire-extinguishing cabinet (A), and the other end passes through change Depressor note nitrogen isolating valve (C1) is connected with transformer body, in which:

Oil draining nitrogen filling fire-extinguishing cabinet (A) component is the device core component for controlling oil draining nitrogen filling fire extinguishing device oil extraction and infusing nitrogen fire extinguishing, Faulty action preventing oil extraction electromagnetic tripping apparatus (A1), oil extraction weight (A2), fan-shaped oil extraction latch lever including controlling transformer oil extraction (A3), entrance (A6), faulty action preventing electrolock are responsible in mechanical draining valve (A4), mechanical oil extraction nitrogen charging interlocking valve (A5), oil extraction Only valve (A7), oil extraction service valve (A8), fire-extinguishing cabinet oil exit pipe (A9), draining valve inspection hole and leakage alarm device (A10), Oil Guide It manages (A11)；Nitrogen cylinder (A12), nitrogen cylinder main air valve (A13), the nitrogen main line (A14), nitrogen decompression of control note nitrogen fire extinguishing Valve (A15), nitrogen outfeed pressure gauge (A16), nitrogen pressure table (A17), nitrogen charging deferred mount (A18), faulty action preventing nitrogen charging electricity Magnetic trip gear (A19), nitrogen charging weight (A20), nitrogen charging weight connecting rod (A21), mechanical nitrogen fill valve (A22), nitrogen charging pressure cap (A23), the construction packages such as nitrogen orifice union (A24), nitrogen delivery outlet (A25) form；When fire needs to start oil extraction When infusing nitrogen fire-extinguishing cabinet (A), fire alarm and linkage control system (D) passes through anti-in linkage control oil draining nitrogen filling fire-extinguishing cabinet (A) Malfunction oil extraction electromagnetic tripping apparatus (A1) movement, the oil extraction weight (A2) being supported on faulty action preventing oil extraction electromagnetic tripping apparatus (A1) It falls, drives fan-shaped oil extraction latch lever (A3) movement being connected with oil extraction weight (A2), open mechanical draining valve (A4) and machine Tool formula oil extraction nitrogen charging interlocking valve (A5) controls transformer afterwards and is forced by oil extraction supervisor entrance (A6) at the top of fire-extinguishing cabinet (A) Oil extraction；Meanwhile the fire-extinguishing cabinet between entrance (A6) is responsible in mechanical draining valve (A4) and oil extraction for the maintenance of fire-extinguishing cabinet oil exit pipe Oil extraction service valve (A8) and the electrical lock valve of faulty action preventing (A7) are provided on oil exit pipe (A9)；In mechanical draining valve (A4) and lead Draining valve inspection hole and leakage alarm device (A10) are provided with close to the mechanical draining valve lower end (A4) between oil pipe (A11)；Fire After calamity alarm and coordinated control system (D) pass through the interior starting transformer oil extraction of linkage control oil draining nitrogen filling fire-extinguishing cabinet (A), then control Nitrogen charging deferred mount (A18) for nitrogen starting is delayed, and delay finishes linkage faulty action preventing nitrogen charging electromagnetic tripping apparatus (A19) it acts, the nitrogen charging weight (A20) being supported on faulty action preventing nitrogen charging electromagnetic tripping apparatus (A19) is fallen, and is driven and nitrogen charging weight It hammers (A20) connected nitrogen charging weight connecting rod (A21) movement into shape, mechanical nitrogen fill valve (A22) is opened, by nitrogen cylinder (A12) Nitrogen cylinder main air valve (A13), then by nitrogen pressure reducing valve (A15) decompression on nitrogen pipeline (A14), to nitrogen main line (A14) nitrogen of nitrogen charging, nitrogen charging fire extinguishing opens nitrogen charging pressure cap (A23) along nitrogen main line (A14), by nitrogen charging fire extinguishing nitrogen Orifice union (A24), nitrogen delivery outlet (A25) are connected with note nitrogen fire-fighting pipeline (C)；Nitrogen pressure and nitrogen charging pressure respectively by Nitrogen outfeed pressure gauge (A16) monitoring on nitrogen pressure table (A17) and nitrogen pipeline (A14) on nitrogen cylinder (A12)；Row The moisture-proof facility of oil note nitrogen fire-extinguishing cabinet (A) is by temperature and humidity controller (A26), anti-condensation heater (A27), moisture-proof junction box (A28), The components such as connecting terminal block (A28) composition；By temperature and humidity controller (A26) by power circuit and control route respectively with it is moisture-proof Heater (A27), moisture-proof junction box (A28), connecting terminal block (A28) is connected, and when temperature and humidity is excessively high, automatically controls moisture-proof add Hot device (A27) carries out heating and dehumidification to oil draining nitrogen filling fire-extinguishing cabinet (A)；

The both ends of drain line (B) component are separately connected oil extraction on oil extraction supervisor entrance (A6) and transformer of fire-extinguishing cabinet (A) and connect Mouth valve (B1), by the oil extraction interface valve (B1) being connected with main transformer or reactor top body, oil exit pipe gas deflation assembly (B2), oil extraction branch pipe (B3), oil exit pipe compensator (B4), oil draining nitrogen filling supply lines valve cabinet (B5), oil circuit isolating valve (B6) are anti-error Dynamic oil extraction selector valve (B7), drain line overhaul valve (B8), and the composition such as (B9) components is responsible in oil extraction, and oil circuit isolating valve (B6) is Drain line (B) is divided into band oil pipe line and without oil pipe line by check valve, oil circuit isolating valve (B6), along oil extraction flow direction from main transformer The connected oil extraction interface valve (B1) of depressor or reactor top body to oil circuit isolating valve (B6) one section of oil extraction branch pipe (B3) For band oil pipe line: oil extraction interface valve (B1) setting is in transformer body eminence, and usually normally opened, Repair of Transformer is closed when installing, Oil exit pipe gas deflation assembly (B2) is set at the highest point of the oil extraction branch pipe (B3) with oil, the oil extraction branch pipe (B3) with oil passes through row Oil pipe compensator (B4) is connected with the oil circuit isolating valve (B6) in oil draining nitrogen filling supply lines valve cabinet (B5)；No oil pipe line includes oil circuit Isolating valve (B6) to one section of oil extraction branch pipe (B3) of oil extraction supervisor (B9) and oil extraction branch pipe (B3) to fire-extinguishing cabinet oil extraction is responsible for entrance (A6) one section of oil extraction supervisor: oil circuit isolating valve (B6) connects faulty action preventing oil extraction selector valve (B7), faulty action preventing oil extraction selector valve afterwards (B7) it is connected by control line and power supply line with fire alarm and linkage control system (D), by fire alarm and linkage control system System (D) is opened or closed according to fire condition control；In order to meet the maintenance of oil-free oil extraction branch pipe, in the anti-of oil-free oil extraction branch pipe Malfunction oil extraction selector valve (B7) is provided with drain line maintenance valve (B8) afterwards；

Note nitrogen fire-fighting pipeline (C) component both ends be separately connected fire-extinguishing cabinet (A) nitrogen delivery outlet (A25) and transformer infuse nitrogen every Nitrogen fire extinguishing branch pipe (C2), nitrogen shunt assembly (C3), note nitrogen fire extinguishing distribution pipe are infused by note nitrogen isolating valve (C1) from valve (C1) (C4), nitrogen gas deflation assembly (C5) is infused nitrogen fire-fighting pipeline compensator (C6), oil gas isolating valve (C7), the choosing of faulty action preventing nitrogen extinguishing It selects valve (C8), infuses nitrogen fire-fighting pipeline service valve (C9), the composition such as note nitrogen fire extinguishing distribution pipe (C4), nitrogen extinguishing supervisor (C10), note Nitrogen fire-fighting pipeline C all uses equal diameter pipe, and oil gas isolating valve (C7) is check valve, and oil gas isolating valve (C7) will infuse nitrogen fire extinguishing tube Road (C) is separated into band oil pipe line and oil-free nitrogen charging pipeline, along nitrogen charging airflow direction from the nitrogen delivery outlet (A25) of fire-extinguishing cabinet extremely Oil gas isolating valve (C7) includes nitrogen extinguishing supervisor (C10) and one section of note nitrogen fire-fighting pipeline (C) for infusing nitrogen fire extinguishing distribution pipe (C4) For no oil pipe line, this section of pipeline is usually full of low-pressure nitrogen or air, by nitrogen delivery outlet (A25) connection nitrogen extinguishing supervisor (C10), note nitrogen fire extinguishing distribution pipe (C4), note nitrogen fire-fighting pipeline service valve (C9) and faulty action preventing nitrogen extinguishing selector valve (C8), Faulty action preventing nitrogen extinguishing selector valve (C8) is connected by control line and power supply line with fire alarm and linkage control system (D), by Fire alarm and linkage control system (D) is opened or closed according to fire condition control；From oil gas isolating valve (C7) to main transformer pressure One section of note nitrogen fire-fighting pipeline of note nitrogen isolating valve (C1) that device or reactor top body are connected is band oil pipe line, with oil pipe line Oil gas isolating valve (C7) connects note nitrogen fire-fighting pipeline compensator (C6), note nitrogen fire extinguishing distribution pipe (C4), note nitrogen fire extinguishing distribution pipe afterwards (C4) nitrogen gas deflation assembly (C5) is set at highest point on, note nitrogen fire extinguishing distribution pipe (C4) is connected to transformer by transformer eminence again Note nitrogen fire extinguishing distribution pipe (C4) is divided into two note nitrogen fire extinguishings branch pipe (C2), is separately connected by the nitrogen shunt assembly (C3) of lower On 2~4 note nitrogen isolating valves (C1) being arranged to every transformer or reactor, usually note nitrogen isolating valve (C1) is normally opened, becomes It is closed when depressor maintenance installation；

Transformer fire alarm and coordinated control system component (D) component are oil draining nitrogen filling fire-extinguishing cabinet (A), drain line (B), infuse The control system of electrically operated valve or actuating mechanism on nitrogen fire-fighting pipeline (C) is shared using with transformer powder extinguishing system Dry powder-note nitrogen fire extinguishing system alarm and coordinated control system.