CN110935122B - Fire extinguishing pipeline and transformer disconnection fire-fighting linkage oil discharge-nitrogen injection fire extinguishing device - Google Patents
Fire extinguishing pipeline and transformer disconnection fire-fighting linkage oil discharge-nitrogen injection fire extinguishing device Download PDFInfo
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- CN110935122B CN110935122B CN201911363811.7A CN201911363811A CN110935122B CN 110935122 B CN110935122 B CN 110935122B CN 201911363811 A CN201911363811 A CN 201911363811A CN 110935122 B CN110935122 B CN 110935122B
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 640
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 323
- 238000002347 injection Methods 0.000 title claims abstract description 253
- 239000007924 injection Substances 0.000 title claims abstract description 253
- 238000007599 discharging Methods 0.000 claims abstract description 76
- 210000001503 joint Anatomy 0.000 claims description 42
- 239000007789 gas Substances 0.000 claims description 14
- 238000003860 storage Methods 0.000 claims description 12
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 6
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 3
- 238000003032 molecular docking Methods 0.000 claims description 2
- 230000007257 malfunction Effects 0.000 description 11
- 238000004880 explosion Methods 0.000 description 8
- 230000009466 transformation Effects 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000002265 prevention Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 241001669679 Eleotris Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
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- Business, Economics & Management (AREA)
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
A fire-fighting linkage oil discharge-nitrogen injection fire-extinguishing device with a fire-fighting pipeline disconnected with a transformer comprises 7 large components, namely a nitrogen injection fire-extinguishing cabinet A, a nitrogen injection fire-extinguishing pipeline B of nitrogen injection fire-extinguishing equipment, an automatic butt-joint locking device C of the nitrogen injection fire-extinguishing pipeline, a preset nitrogen injection fire-extinguishing pipeline D of the transformer, a transformer oil tank oil discharge pipeline E, a transformer oil pillow oil discharge pipeline F and a fire alarm and linkage control system G; the invention improves the traditional oil-discharging nitrogen-injecting fire extinguishing device: the transformer oil discharge pipeline is provided with two independent fire-fighting linkage direct oil discharge pipelines, namely a transformer oil tank oil discharge pipeline and a transformer oil pillow oil discharge pipeline; the system is started without receiving logic starting signals such as fire alarm signals and tripping of a three-side breaker of the transformer, and the transformer oil discharge and nitrogen injection fire extinguishing can not be started, so that one set of nitrogen injection fire extinguishing device can simultaneously perform fire extinguishing protection on one or more transformers or reactors.
Description
Technical Field
The invention belongs to a transformer substation fire-fighting facility, and particularly relates to a fire-fighting linkage oil discharge-nitrogen injection fire-extinguishing device for disconnecting a fire-extinguishing pipeline from a transformer.
Background
For a long time, many areas in China are limited by natural conditions such as drought, water shortage, long-term low-temperature freezing and the like, and many main transformers of the transformer substation can only adopt oil-discharging nitrogen-injecting fire extinguishing devices to extinguish the fire of the transformer. After 2018, in order to ensure the fire safety of the transformer, the national power grid of the domestic two large power grid companies and the southern power grid company sequentially develop the large-scale malfunction-preventing and malfunction-preventing transformation work of the oil-discharging and nitrogen-injecting fire extinguishing device of the transformer, the main project of transformation is basically concentrated on the transformation of the starting device of the traditional oil-discharging and nitrogen-injecting fire extinguishing device, and the starting mode of the oil-discharging and nitrogen-injecting fire extinguishing device which is required to be transformed must be put on automatic operation; from the partial transformer oil drainage nitrogen injection extinguishing device transformation effect that has transformed at present, because former oil drainage nitrogen injection extinguishing device all adopts manual operation mode, in case adopt automatic operation mode, many problems all directly expose:
case one: in 11 months in 2019, a certain 500 kilovolt transformer substation 1# main transformer nitrogen charging fire extinguishing device is put into operation according to the transformation requirements of national network companies, an oil discharging hammer of the nitrogen charging fire extinguishing device falls off in the third day after transformation, an oil discharging valve is opened, a main transformer oil discharging valve is closed, and a double-floating ball gas relay is operated to trip. The on-site maintainer rapidly closes the heavy hammer oil discharge valve, and after checking and confirming that the nitrogen injection valve is not moved, only main transformer oil discharge occurs, nitrogen is not injected into the main transformer, main transformer faults are not caused, after the flow control valve is opened to inject oil in the oil conservator into the body and exhaust, the oil level meets the operation requirement, and the main transformer resumes operation on the same day and operates normally;
case two: the main transformer of 330 kilovolt transformer substations #1 and #2 in the checking and accepting operation stage is checked and accepted, the main transformer of 1# and 2 is checked in the field and is ready to work before the equipment is started, the two main transformer nitrogen charging and extinguishing devices are sequentially started to discharge oil and inject nitrogen, on-site personnel immediately perform emergency treatment, and the two main transformers are subjected to vacuumizing, hot oil circulation, static discharge and electrical test again, and the main transformers are normally put into operation after being qualified in treatment;
in addition, the unexposed accident cases are numerous, so that people have to doubt that the technical scheme of the malfunction prevention modification project of the oil and nitrogen discharging fire extinguishing device does not find the core of the problem; by summarizing the misoperation cases of the prior oil-discharging and nitrogen-injecting fire extinguishing device, four main problems of the oil-discharging and nitrogen-injecting fire extinguishing device are found, namely, an accident transmission channel problem is provided for all misoperation accidents in a permanent connection mode of an oil-discharging and nitrogen-injecting pipeline of the prior oil-discharging and nitrogen-injecting fire extinguishing device and a transformer oil tank, the channel directly transmits the result of the misoperation accident to transformer charging equipment, the problem is the core problem of all oil-discharging and nitrogen-injecting misoperation accidents, and the problem that the transformer is affected is basically eliminated after the problem is solved; secondly, the oil-discharging and nitrogen-injecting start control system is not controlled by a logic program started by the fire alarm control system, under the condition of no fire, the logic start program such as a fire alarm signal, a tripping signal of a three-side circuit breaker of the transformer and the like is not considered, and the transformer is started to finish the misoperation operation of oil discharging and nitrogen injection, which is the essential problem of oil discharging and nitrogen injection system control, so that the problem of oil discharging and nitrogen injection without fire misoperation can be solved; thirdly, an electromagnetic-mechanical interlocking device between the nitrogen injection fire extinguishing and oil discharge pipeline of the traditional oil discharge and nitrogen injection fire extinguishing device provides an accident serial channel for misoperation of the oil discharge pipeline and the nitrogen injection pipeline, and misoperation of any pipeline of the oil discharge pipeline and the nitrogen injection pipeline can cause simultaneous misoperation of the oil discharge pipeline and the nitrogen injection pipeline; fourthly, the electromagnetic-mechanical starting device of the traditional oil-discharging and nitrogen-injecting fire extinguishing device provides carriers for all malfunction accidents, becomes the root of all malfunction accidents, has the problem that the starting device always exists, can not stop malfunction of the starting device after repeated malfunction prevention transformation of the starting device, and can directly cause oil discharging or nitrogen-injecting fire extinguishing production accidents of a transformer under the condition of no fire because the electromagnetic-mechanical starting device of the traditional oil-discharging and nitrogen-injecting fire extinguishing device can jump fire alarm signals, three-side breaker tripping signals of the transformer, gas relay action signals of the transformer and the like when any alarm, electromagnetic and mechanical malfunction occurs on an oil discharging and fire extinguishing pipeline or even the fire alarm device with the oil discharging and nitrogen injecting self-body; no matter what consideration is given to the initial setting of the device, the device is not suitable for being used in the oil-discharging nitrogen-injecting fire extinguishing device;
the power grid plays an irreplaceable energy source guarantee role in national economic development, the transformer is an important component of the power grid, the transformer is the most core equipment of the transformer, and when a transformer fire disaster is extinguished, the oil-discharging nitrogen-injecting fire extinguishing device is an essential fire extinguishing system for extinguishing the internal fire disaster of the transformer at present, and is also the transformer fire extinguishing system with the largest domestic use amount, so that the problem of refusing to operate and malfunction of the oil-discharging nitrogen-injecting fire extinguishing device is thoroughly solved and becomes the actual problem which is urgently needed to be solved at present.
Disclosure of Invention
The invention aims to provide a fire-fighting linkage oil discharging-nitrogen injecting fire extinguishing device with a fire extinguishing pipeline disconnected from a transformer, and adopts a technical scheme of disconnecting physical connection for an oil discharging nitrogen injecting misoperation accident transmission channel formed by a permanent connection mode of an oil discharging and nitrogen injecting pipeline and a transformer oil tank of the traditional oil discharging nitrogen injecting fire extinguishing device, so that the core problem of transformer accidents caused immediately by oil discharging nitrogen injecting misoperation is solved, the automatic operation risk of the oil discharging nitrogen injecting fire extinguishing device is reduced, and the safety level of power production is improved;
for the control defect that the traditional oil-discharging and nitrogen-injecting fire extinguishing device is not controlled by a fire alarm controller in the starting process of oil-discharging and nitrogen-injecting, a standard fire alarm control system and a control valve are adopted to solve the problems of control defect of misoperation oil discharging or nitrogen-injecting fire extinguishing of a transformer caused directly by logic starting programs such as a tripping control system of the traditional oil-discharging and nitrogen-injecting fire extinguishing device tripping fire-fighting linkage control system, tripping fire alarm signals, tripping signals of a three-side circuit breaker of the transformer, action signals of a gas relay of the transformer and the like under the condition of no fire, and the essential problem of misoperation oil discharging and nitrogen-injecting accidents is fundamentally solved;
for an accident serial connection channel of electromagnetic-mechanical linkage interaction between a nitrogen injection fire extinguishing and oil discharge pipeline of a traditional oil discharge and nitrogen injection fire extinguishing device, a technical scheme that the oil discharge pipeline and the nitrogen injection pipeline are completely and independently arranged and do not affect each other is adopted, so that the interaction serial connection channel of an accident caused by misoperation of any pipeline is cut off;
for the electromagnetic-mechanical starting device of the traditional oil-discharging and nitrogen-injecting device, a fire alarm linkage control system and a fire-fighting linkage control valve of a standard fire extinguishing system are adopted to replace the starting device of the traditional oil-discharging and nitrogen-injecting fire extinguishing device, oil is discharged from a linkage oil-discharging pipeline, and the linkage nitrogen-injecting fire extinguishing device is used for extinguishing fire, so that logic starting procedures such as a fire alarm signal, a tripping signal of a three-side circuit breaker of a transformer, a gas relay action signal of the transformer and the like are eliminated when the traditional oil-discharging and nitrogen-injecting device starting device is in a fire-free condition, the problem of misoperation production accidents caused by oil discharging or nitrogen injection fire extinguishing of the transformer is directly solved, and the accident source problem of the traditional oil-discharging and nitrogen-injecting fire extinguishing device is eliminated;
the invention improves one oil discharge pipeline of the traditional oil discharge and nitrogen injection fire extinguishing device into two independent oil discharge pipelines of the oil tank oil discharge pipeline and the oil pillow oil discharge pipeline of the transformer; the oil discharge path is optimized, the oil discharge speed of the transformer is increased, and accident links of misoperation of an oil discharge pipeline and leakage of transformer oil are reduced; the transformer oil conservator oil discharge pipeline is arranged on a transformer with a transformer oil conservator structure positioned at the top of a transformer body, and can rapidly empty several tons to more than ten tons of unequal transformer oil in the transformer oil conservator in case of fire, so that the potential risk of oil casting on fire caused by the fact that the transformer oil in the transformer oil conservator without a stop valve is returned to the transformer in case of fire of the transformer is eliminated, and the risk of explosion caused by heating of the transformer oil in the transformer oil conservator with the stop valve is eliminated;
the fire extinguishing device can extinguish fire of one transformer or reactor and also can extinguish fire of a plurality of main transformers or reactors; the engineering investment is reduced to the greatest extent, the occupied area of the fire extinguishing device is reduced, and the operation and maintenance workload is reduced; when one transformer or reactor has explosion fire disaster, the device can selectively spray nitrogen to extinguish fire for 10 minutes to the internal oil tank of the transformer or reactor with fire disaster, and form continuous nitrogen to extinguish fire and cool to protect for more than 30 minutes at the top of the oil tank of the transformer; the invention also adopts a new dampproof technical measure of preventing misoperation of the device caused by outdoor humid environment of the fire extinguishing cabinet, and ensures that the system can effectively prevent and extinguish fire in many water-deficient frozen areas in China;
the technical scheme of the invention is as follows:
through engineering practice and accident case collection, the problems of the traditional transformer oil discharge and nitrogen injection fire extinguishing device are continuously summarized, the improvement experience of the national grid company on the oil discharge and nitrogen injection fire extinguishing device for preventing malfunction is combined, the core, the essence and the root cause of malfunction prevention accidents of the traditional oil discharge and nitrogen injection fire extinguishing device are carefully analyzed, various broken technical schemes are adopted for improvement and perfection, a transformer simulation fire test is adopted, and whether the reliability effectiveness and the practicability of the device meet the fire extinguishing requirements of the transformer explosion fire is verified.
The fire-fighting linkage oil discharge-nitrogen injection fire-extinguishing device comprises 7 large components of a nitrogen injection fire-extinguishing cabinet, a nitrogen injection fire-extinguishing pipeline of nitrogen injection fire-extinguishing equipment, an automatic butt-joint locking device of the nitrogen injection fire-extinguishing pipeline, a pre-set nitrogen injection fire-extinguishing pipeline of the transformer, a transformer oil tank oil discharge pipeline, a transformer oil pillow oil discharge pipeline and a fire alarm and linkage control system; the structure is as follows: the outlet of the nitrogen injection fire extinguishing cabinet is connected with a nitrogen injection fire extinguishing pipeline of the nitrogen injection fire extinguishing equipment, the preset nitrogen injection fire extinguishing pipeline of the transformer is connected to the outlet of the lower part of the transformer oil tank, and the junction point of the nitrogen injection fire extinguishing pipeline of the nitrogen injection fire extinguishing equipment and the preset nitrogen injection fire extinguishing pipeline of the transformer is arranged at the position of the automatic butt joint locking device of the nitrogen injection fire extinguishing pipeline; the transformer oil discharge pipeline is arranged as two independent oil discharge pipelines, namely an independent transformer oil tank oil discharge pipeline and a transformer oil conservator oil discharge pipeline, the transformer oil tank oil discharge pipeline is led out from the upper part of a transformer oil tank, and the tail end of the transformer oil tank oil discharge pipeline is directly connected to a transformer oil storage pool pebble for discharging oil; one end of a transformer oil conservator oil discharge pipeline is led out from a pipeline between a transformer oil conservator interception valve and a transformer oil conservator bottom valve, and the other end of the transformer oil conservator oil discharge pipeline is directly connected to a transformer oil storage tank pebble for discharging oil; the fire alarm and linkage control system is arranged in the fire control room and is connected with a nitrogen injection fire extinguishing cabinet, a nitrogen injection fire extinguishing pipeline of nitrogen injection fire extinguishing equipment, an automatic butt joint locking device of the nitrogen injection fire extinguishing pipeline, a preset nitrogen injection fire extinguishing pipeline of the transformer, a transformer oil tank oil discharge pipeline and a fire control linkage valve of a transformer oil pillow oil discharge pipeline through power and control cables; wherein:
the nitrogen injection fire extinguishing cabinet component is a nitrogen injection fire extinguishing equipment component and comprises a starting nitrogen cylinder group, wherein the starting nitrogen cylinder group is fixed in the nitrogen injection fire extinguishing cabinet by adopting a bracket; the starting cylinder head valve group is fixedly arranged on the starting nitrogen cylinder group; one end of the starting gas pipeline is connected with a valve outlet of the starting bottle head valve group, and the other end of the starting gas pipeline is connected with a nitrogen main gas valve fixed on the nitrogen fire extinguishing bottle group; the nitrogen main pipeline is connected to the outlet of the nitrogen main air valve, and a nitrogen bottle pressure gauge, a nitrogen output pressure gauge, a nitrogen pressure reducing valve, a nitrogen charging fire extinguishing delay device, a nitrogen throttling component and a nitrogen output port component are respectively arranged in sequence along the air flow direction; the nitrogen injection fire extinguishing cabinet is connected with a fire alarm and linkage control system through a power and control cable; the dampproof facility of the nitrogen-injecting fire-extinguishing cabinet comprises a temperature and humidity controller, a dampproof heater, a dampproof junction box and a junction terminal strip; the temperature and humidity controller is respectively connected with the moistureproof heater, the moistureproof junction box and the wiring terminal strip through a power line and a control line;
the two ends of the nitrogen injection and fire extinguishing pipeline component of the nitrogen injection and fire extinguishing equipment are respectively connected with a nitrogen output port of an outlet of the component and a butt joint end of a butt joint locking device of an inlet of the component, the butt joint end of the butt joint locking device of the automatic butt joint locking device of the nitrogen injection and fire extinguishing pipeline from the nitrogen output port led by the nitrogen injection and fire extinguishing cabinet of the nitrogen injection and fire extinguishing equipment sequentially comprises three sections of a nitrogen injection and fire extinguishing main pipe, a nitrogen injection and fire extinguishing pipeline compensator and a nitrogen fire extinguishing selection valve, all the three sections adopt equal-diameter pipelines, and the whole pipeline is set to be an oil-free pipeline;
the automatic butt joint locking device assembly of the nitrogen injection fire extinguishing pipeline consists of a butt joint locking device butt joint end and a butt joint locking device bearing end, and two ends of the automatic butt joint locking device are respectively connected with a nitrogen fire extinguishing selection valve of the assembly and an anti-misoperation electric fire extinguishing control valve of the assembly along the direction of nitrogen injection fire extinguishing airflow;
the transformer preset nitrogen injection fire extinguishing pipeline component is an oil pipeline with or without an oil pipeline for connecting a transformer oil tank and a nitrogen injection fire extinguishing pipeline, two ends of the transformer preset nitrogen injection fire extinguishing pipeline component are respectively connected to a joint locking device receiving end outlet of the component and a nitrogen injection fire extinguishing pipeline interface at the lower part of the transformer oil tank, and the transformer preset nitrogen injection fire extinguishing pipeline component is formed by sequentially connecting an error-preventing electric fire extinguishing control valve, a nitrogen injection fire extinguishing pipeline compensator, a nitrogen gas exhaust component, a nitrogen injection fire extinguishing distribution pipe, a nitrogen gas diversion component, a nitrogen injection fire extinguishing branch pipe and a nitrogen injection interface valve along the nitrogen injection fire extinguishing airflow direction;
one end of the transformer oil tank oil discharge pipeline component is connected with the upper part of the transformer oil tank, and the other end of the transformer oil tank oil discharge pipeline component is directly connected to the pebbles of the transformer oil storage tank for discharging oil; the assembly consists of an oil discharge interface valve, an oil discharge pipe exhaust assembly, an anti-misoperation oil discharge selection valve, an oil discharge valve leakage checking port and an oil discharge pipe which are sequentially connected, wherein the oil discharge valve leakage checking port is arranged behind the oil discharge pipe;
one end of the oil discharge pipeline component of the transformer oil tank is led out from the middle of a connecting pipe between the transformer oil pillow and the transformer oil tank, and the other end is directly connected under pebbles of an oil storage pool of the transformer; the assembly is formed by sequentially connecting a conservator oil drain pipeline, a conservator oil drain control valve, an oil drain pipe leakage overhaul port and an oil drain pipe; the position of the leading-out pipeline interface is positioned between the transformer oil conservator stop valve and the oil conservator bottom valve;
the fire alarm and linkage control system components are fire-fighting linkage control systems of components such as a nitrogen injection fire-extinguishing cabinet, a nitrogen injection fire-extinguishing pipeline of nitrogen injection fire-extinguishing equipment, an automatic butt joint locking device of the nitrogen injection fire-extinguishing pipeline, a transformer preset nitrogen injection fire-extinguishing pipeline, a transformer oil tank oil discharge pipeline, a transformer oil pillow oil discharge pipeline and the like, and are arranged in a fire-fighting control room; a standard fire alarm linkage control system shared with a dry powder (or water spray or foam spray) fire extinguishing system outside the transformer is adopted; the assembly is connected with a nitrogen injection fire extinguishing cabinet, a nitrogen injection fire extinguishing pipeline of nitrogen injection fire extinguishing equipment, an automatic butt joint locking device of the nitrogen injection fire extinguishing pipeline, a preset nitrogen injection fire extinguishing pipeline of the transformer, an oil tank oil discharge pipeline of the transformer and a fire control linkage valve of an oil tank oil discharge pipeline of the transformer; the components do not receive logic starting signals such as fire alarm signals and tripping of a three-side breaker of the transformer, and the transformer oil discharge and nitrogen injection fire extinguishing operation program is not started;
according to the nitrogen injection fire extinguishing cabinet, at least one or more transformers or reactors are connected in parallel through the nitrogen injection fire extinguishing pipeline of the nitrogen injection fire extinguishing equipment.
The invention aims at the following problems of the traditional oil-discharging nitrogen-injecting fire extinguishing device respectively: the conventional oil-discharging nitrogen-injecting fire extinguishing device has the advantage that the oil-discharging nitrogen-injecting starting control is not controlled by the fire alarm controller; when the oil-discharging and nitrogen-injecting electromagnetic-mechanical interlocking starting device of the traditional oil-discharging and nitrogen-injecting fire extinguishing device is in misoperation, fire alarm signals, tripping signals of a three-side circuit breaker of a transformer, action signals of a gas relay of the transformer and other fire extinguishing starting logic signals can be tripped, so that core and root problems of oil discharging or nitrogen-injecting fire extinguishing production accidents of the transformer under the condition of no fire are directly caused; the oil discharge pipe network and the nitrogen injection fire extinguishing pipe network are directly connected with the transformer oil tank, and misoperation of the oil discharge nitrogen injection fire extinguishing device directly causes an accident channel and an accident core problem of a transformer accident; the oil discharge pipeline and the nitrogen injection pipeline of the traditional starting device of the oil discharge and nitrogen injection fire extinguishing device can be mutually interacted, any misoperation on the oil discharge pipeline or the nitrogen injection pipeline can cause the mutual influence of the misoperation on the oil discharge pipeline and the nitrogen injection pipeline, and the like, and the following improvement measures are adopted:
the control and starting device adopts a standard fire alarm control system and a linkage control valve to replace a controller and a starting device of the traditional oil-discharging and nitrogen-injecting fire extinguishing device, so that the serious control defect that the traditional oil-discharging and nitrogen-injecting fire extinguishing device is not controlled by the fire alarm controller when started is overcome, the accident essential problem that the oil-discharging and nitrogen-injecting misoperation control is not controlled by fire-fighting linkage is solved, and the logical starting signals such as a tripping signal of a fire alarm, a tripping signal of a three-side circuit breaker of a transformer, a gas relay action signal of the transformer and the like of the traditional oil-discharging and nitrogen-injecting fire extinguishing device are solved, so that the accident source problem of oil-discharging and nitrogen-injecting misoperation of the transformer is directly caused; the nitrogen injection fire extinguishing pipeline is completely disconnected from the transformer oil tank by adopting an automatic docking locking device of the nitrogen injection fire extinguishing pipeline, and the nitrogen injection fire extinguishing accident no longer directly causes the transformer nitrogen injection fire extinguishing accident along the nitrogen injection fire extinguishing pipeline channel, so that the accident core problem that the transformer malfunction is immediately caused by the oil discharge and nitrogen injection malfunction is solved; the linkage device of the traditional oil-discharging and nitrogen-injecting fire extinguishing device is canceled between the oil-discharging and nitrogen-injecting fire extinguishing device, and the completely independent oil-discharging pipeline and nitrogen-injecting pipeline are arranged, so that the interaction influence of the oil-discharging pipeline and the nitrogen-injecting pipeline of the traditional oil-discharging and nitrogen-injecting fire extinguishing device is eliminated, and any misoperation of the oil-discharging pipeline or the nitrogen-injecting pipeline can not cause simultaneous misoperation of the oil-discharging pipeline and the nitrogen-injecting pipeline; the oil discharge pipeline is provided with two independent oil discharge pipelines of the oil tank oil discharge pipeline and the oil sleeper oil discharge pipeline, so that the oil discharge path is optimized, and accident links of misoperation of the oil discharge pipeline and oil leakage of the transformer are reduced; the transformer oil conservator oil discharge pipeline is arranged on a transformer with a transformer oil conservator structure positioned at the top of a transformer body, and when in fire, the fire-fighting linkage rapidly empties a few tons to more than ten tons of unequal transformer oil in the transformer oil conservator, so that the potential fire oil pouring hazards caused by the transformer oil in the transformer oil conservator without a cut-off valve in the case of the transformer fire are eliminated, and the risk of the transformer oil in the transformer oil conservator with the cut-off valve being heated and exploded is eliminated;
the device is provided with a high-power special dampproof facility, the dampproof facility consists of a temperature and humidity controller, a dampproof heater, a dampproof junction box, a wiring terminal strip and other components, and the dampproof device is applied to engineering for many years, so that a good dampproof effect is achieved;
the invention has the beneficial effects that: the device is an essential fire extinguishing device for extinguishing a transformer or reactor fire, and solves the core problem that the traditional oil-discharging and nitrogen-injecting fire extinguishing device immediately causes transformer accidents due to misoperation; the invention solves the essential problem of the control system with uncontrolled misoperation of the traditional oil-discharging nitrogen-injecting fire extinguishing device; the invention cancels the starting device of the traditional oil-discharging nitrogen-injecting fire extinguishing device and solves the problem of false operation root cause of the oil-discharging nitrogen-injecting fire extinguishing device; the invention solves the problem of accident series connection that any misoperation of an oil discharge pipeline or a nitrogen injection pipeline can cause simultaneous misoperation of the oil discharge pipeline and the nitrogen injection pipeline; the oil discharge pipeline of the transformer is provided with the independent oil discharge pipeline of the transformer oil tank and the oil discharge pipeline of the transformer oil pillow, so that accident links of misoperation of the oil discharge pipeline of the transformer oil tank and leakage of transformer oil are reduced, the oil discharge pipeline of the transformer oil pillow eliminates the potential risk of oil pouring on fire caused by the backflow of the transformer oil in the transformer oil pillow without a stop valve in the case of a transformer fire, and the risk of explosion caused by heating of the transformer oil in the transformer oil pillow with the stop valve is eliminated; according to the invention, a combined distribution protection mode is adopted, 1 transformer or reactor or a plurality of transformers or reactors can be protected by adopting one set of fire extinguishing device, so that the occupied area is saved to the greatest extent, and the operation and maintenance workload is reduced; the novel dampproof technical measures of the fire extinguishing cabinet ensure that the system can effectively extinguish the explosion fire of the main transformer or the reactor in many water-deficient freezing areas in China, exert the continuous fire extinguishing protection function of the nitrogen injection fire extinguishing device for more than 30 minutes on the fire of the transformer and the reactor, and provide powerful guarantee for the fire extinguishing of the fire extinguishing system of the transformer.
Drawings
FIG. 1 is a schematic view of the construction of a fire extinguishing apparatus according to the present invention;
fig. 2 is a schematic diagram of the composition structure of the nitrogen injection fire extinguishing cabinet of the invention.
Detailed Description
The invention further provides a non-contact combined distribution nitrogen injection and oil discharge fire extinguishing device for a transformer, which is described in the following with reference to the accompanying drawings.
Referring to fig. 1, the fire extinguishing pipeline and transformer disconnection fire-fighting linkage oil extraction-nitrogen injection fire extinguishing device comprises 7 large components including a nitrogen injection fire extinguishing cabinet A, a nitrogen injection fire extinguishing equipment nitrogen injection fire extinguishing pipeline B, a nitrogen injection fire extinguishing pipeline automatic butt joint locking device C, a transformer preset nitrogen injection fire extinguishing pipeline D, a transformer oil tank oil discharge pipeline E, a transformer oil pillow oil discharge pipeline F and a fire alarm and linkage control system G; the structure is as follows: the outlet of the nitrogen injection fire extinguishing cabinet A is connected with a nitrogen injection fire extinguishing pipeline B of the nitrogen injection fire extinguishing equipment, the preset nitrogen injection fire extinguishing pipeline D of the transformer is connected to the outlet of the lower part of the transformer oil tank, and the junction of the nitrogen injection fire extinguishing pipeline B of the nitrogen injection fire extinguishing equipment and the preset nitrogen injection fire extinguishing pipeline D of the transformer is arranged at the position of an automatic butt joint locking device C of the nitrogen injection fire extinguishing pipeline; the transformer oil discharge pipeline is arranged as an independent transformer oil tank oil discharge pipeline E and a transformer oil conservator oil discharge pipeline F, wherein the transformer oil tank oil discharge pipeline E is led out from the upper part of a transformer oil tank, and the tail end of the transformer oil tank oil discharge pipeline E is directly connected to the pebble of a transformer oil storage tank for discharging oil; one end of a transformer oil conservator oil discharge pipeline F is led out from a pipeline between a transformer oil conservator interception valve and a transformer oil conservator bottom valve, and the other end of the transformer oil conservator oil discharge pipeline F is directly connected to a transformer oil storage tank pebble for discharging oil; the fire alarm and linkage control system G is arranged in a fire control room and is connected with a fire control linkage valve of a nitrogen injection fire extinguishing cabinet A, a nitrogen injection fire extinguishing pipeline B of nitrogen injection fire extinguishing equipment, an automatic butt joint locking device C of the nitrogen injection fire extinguishing pipeline, a preset nitrogen injection fire extinguishing pipeline D of a transformer, an oil tank oil discharge pipeline E of the transformer and an oil tank oil discharge pipeline F of the transformer; wherein:
the nitrogen injection fire extinguishing cabinet A component is a nitrogen injection fire extinguishing equipment component, and the concrete components are shown in a schematic diagram of the structure of the nitrogen injection fire extinguishing cabinet (see figure 2); the nitrogen injection fire extinguishing cabinet A component is a nitrogen injection fire extinguishing equipment component and comprises a starting nitrogen cylinder group A1, wherein the starting nitrogen cylinder group A1 is fixed in the nitrogen injection fire extinguishing cabinet A by adopting a bracket; the starting cylinder head valve group A2 is fixedly arranged on the starting nitrogen cylinder group A1; one end of a starting gas pipeline A3 is connected to a valve outlet of a starting bottle head valve group A2, and the other end is connected to a nitrogen main gas valve A5 fixed on a nitrogen fire extinguishing bottle group A4; the nitrogen main pipeline A6 is connected to the outlet of the nitrogen main air valve A5, a nitrogen bottle pressure gauge A7, a nitrogen output pressure gauge A8, a nitrogen pressure reducing valve A9, a nitrogen charging fire extinguishing delay device A10, a nitrogen throttling component A11 and a nitrogen output port A12 component are respectively arranged in sequence along the air flow direction, the nitrogen output port A12 is positioned at the tail end of the nitrogen main pipeline A6 and is arranged at the top of the nitrogen injection fire extinguishing cabinet A, and the nitrogen injection fire extinguishing pipeline A is connected with an external nitrogen injection fire extinguishing equipment nitrogen injection fire extinguishing pipeline B by adopting a flange; the nitrogen injection fire extinguishing cabinet A is connected with a fire alarm and linkage control system G through a power and control cable; the dampproof facility of the nitrogen-injecting fire-extinguishing cabinet A comprises a temperature and humidity controller A13, a dampproof heater A14, a dampproof junction box A15 and a junction terminal row A16; the temperature and humidity controller A13 is respectively connected with the moistureproof heater A14, the moistureproof junction box A15 and the junction terminal strip A16 through a power line and a control line;
the two ends of a nitrogen injection and fire extinguishing pipeline B component of the nitrogen injection and fire extinguishing equipment are respectively connected with a nitrogen outlet A12 of an outlet of the component A and a butt joint end C1 of a butt joint locking device of an inlet of the component C, the nitrogen injection and fire extinguishing pipeline B component of the nitrogen injection and fire extinguishing equipment sequentially comprises three sections of a nitrogen injection and fire extinguishing main pipe B1, a nitrogen injection and fire extinguishing pipeline compensator B2 and a nitrogen gas fire extinguishing selection valve B3 from the nitrogen outlet A12 led out by the nitrogen injection and fire extinguishing cabinet A to the butt joint locking device butt joint end C1 of the automatic butt joint locking device C of the nitrogen injection and fire extinguishing pipeline, all the three sections of pipelines adopt equal-diameter pipelines, and the whole pipeline is set as an oil-free pipeline;
the automatic butt joint locking device C assembly of the nitrogen injection fire extinguishing pipeline consists of a butt joint end C1 of the butt joint locking device and a butt joint locking device bearing end C2, and two ends of the automatic butt joint locking device C assembly are respectively connected with a nitrogen fire extinguishing selection valve B3 of the B assembly and an anti-misoperation electric fire extinguishing control valve D7 of the D assembly along the direction of nitrogen injection fire extinguishing airflow;
the transformer preset nitrogen injection fire extinguishing pipeline D component is an oil pipeline with or without an oil pipeline connected with a transformer oil tank and a nitrogen injection fire extinguishing pipeline, two ends of the transformer preset nitrogen injection fire extinguishing pipeline D component are respectively connected to a joint locking device receiving end C2 outlet of the C component and a nitrogen injection fire extinguishing pipeline interface at the lower part of the transformer oil tank, and the transformer preset nitrogen injection fire extinguishing pipeline D component is formed by sequentially connecting an error-preventing electric fire extinguishing control valve D7, a nitrogen injection fire extinguishing pipeline compensator D6, a nitrogen exhaust component D5, a nitrogen injection fire extinguishing distribution pipe D4, a nitrogen diversion component D3, a nitrogen injection fire extinguishing branch pipe D2 and a nitrogen injection interface valve D1 along the nitrogen injection fire extinguishing airflow direction;
one end of the transformer oil tank oil discharge pipeline E is connected with the upper part of the transformer oil tank, and the other end of the transformer oil tank oil discharge pipeline E is directly connected to the pebbles of the transformer oil storage tank for discharging oil; the E component is formed by sequentially connecting an oil discharge interface valve E1, an oil discharge pipe exhaust component E2, an anti-misoperation oil discharge selection valve E3, an oil discharge valve leakage checking port E4 and an oil discharge pipe E5, wherein the oil discharge valve leakage checking port E4 is arranged behind the oil discharge pipe E5;
one end of the oil discharge pipeline F component of the transformer oil tank is led out from the middle of a connecting pipe between the transformer oil pillow and the transformer oil tank, and the other end is directly connected under pebbles of an oil storage pool of the transformer; the F component is formed by sequentially connecting a conservator oil drain pipeline F1, a conservator oil drain control valve F2, an oil drain pipe leakage overhaul port F3 and an oil drain pipe F4; the position of the leading-out pipeline interface is positioned between the transformer oil conservator stop valve and the oil conservator bottom valve;
the fire alarm and linkage control system component G is a fire-fighting linkage control system of components such as a nitrogen injection fire-extinguishing cabinet A, a nitrogen injection fire-extinguishing equipment nitrogen injection fire-extinguishing pipeline B, a nitrogen injection fire-extinguishing pipeline automatic butt joint locking device C, a transformer preset nitrogen injection fire-extinguishing pipeline D, a transformer oil tank oil discharge pipeline E, a transformer oil pillow oil discharge pipeline F and the like, and is arranged in a fire-fighting control room; a standard fire alarm linkage control system shared with a dry powder (or water spray or foam spray) fire extinguishing system outside the transformer is adopted; the component G is connected with a fire-fighting linkage valve of a nitrogen injection fire-extinguishing cabinet A, a nitrogen injection fire-extinguishing pipeline B of nitrogen injection fire-extinguishing equipment, an automatic butt-joint locking device C of the nitrogen injection fire-extinguishing pipeline, a preset nitrogen injection fire-extinguishing pipeline D of a transformer, a transformer oil tank oil discharge pipeline E and a transformer oil pillow oil discharge pipeline F through power and control cables; the G component does not receive logic starting signals such as fire alarm signals and tripping of a three-side breaker of the transformer, and the operating procedures of oil discharge and nitrogen injection fire extinguishing of the transformer are not started;
according to the nitrogen injection fire extinguishing cabinet A, at least one or more transformers or reactors are connected in parallel through the nitrogen injection fire extinguishing pipeline B of the nitrogen injection fire extinguishing equipment. In the concrete implementation (see fig. 1), the nitrogen injection fire extinguishing cabinet A of the invention is connected with three transformers or reactors in parallel through the nitrogen injection fire extinguishing pipeline B of the nitrogen injection fire extinguishing equipment.
In the concrete implementation, a B3 valve of a nitrogen injection and fire extinguishing pipeline B assembly of the nitrogen injection and fire extinguishing equipment is a fire-fighting linkage control valve of the B assembly, normally closed at ordinary times, and the fire-extinguishing pipeline B3 valve of the fire transformer is opened in linkage for fire extinguishment by the communication of the nitrogen injection and fire extinguishing pipeline;
in specific implementation, two components C1 and C2 of the automatic butt joint locking device C component of the nitrogen injection fire extinguishing pipeline are in a disconnection state at ordinary times, and in a fire disaster, the components C1 and C2 of the fire fighting linkage are in butt joint locking, and the nitrogen injection fire extinguishing pipeline is communicated for fire extinguishing;
in the specific implementation, the misoperation prevention electric fire extinguishing control valve D7 is a fire-fighting linkage control valve of a preset nitrogen injection fire extinguishing pipeline D assembly of the transformer, is normally closed at ordinary times, and is linked to open a communicated nitrogen injection fire extinguishing pipeline for fire extinguishment; the nitrogen injection interface valve D1 is normally opened at ordinary times, and when overhauling, the nitrogen injection interface valve D1 is closed for overhauling;
in the concrete implementation, the E3 valve is a fire-fighting linkage control valve of an oil discharge pipeline E assembly of the transformer oil tank, normally closed, and the E3 valve is opened in a linkage way for discharging oil in the fire disaster; the E1 valve is normally opened, and when overhauling, the E1 valve is manually closed to overhaul the oil discharge pipeline; e4, observing whether transformer oil leakage occurs in the oil drain pipe or not at ordinary times, and immediately organizing and overhauling when the transformer oil leakage occurs;
in the concrete implementation, an oil discharge pipeline F assembly of the transformer oil tank is led out from a transformer oil pillow and a transformer oil tank connecting pipe, the led-out pipeline interface is positioned between a transformer oil pillow stop valve and a transformer oil pillow bottom valve, the F2 valve is normally closed, and an E3 valve is opened in a linkage way for discharging oil in the fire disaster; f3 maintenance hole can observe oil drain pipe and take place the transformer oil leakage at ordinary times, take place the leakage and organize the maintenance immediately;
in the specific implementation, a fire alarm and linkage control system G component is connected with a fire-fighting linkage valve of a nitrogen injection fire-extinguishing cabinet A, a nitrogen injection fire-extinguishing pipeline B of nitrogen injection fire-extinguishing equipment, an automatic butt-joint locking device C of the nitrogen injection fire-extinguishing pipeline, a preset nitrogen injection fire-extinguishing pipeline D of a transformer, an oil tank oil discharge pipeline E of a transformer and an oil pillow oil discharge pipeline F of the transformer through power and control cables; when a fire occurs, after the G component receives logic starting signals such as a fire detector alarm signal, a tripping signal of a three-side circuit breaker of a transformer and the like, delaying, starting an oil discharge pipeline to discharge oil, and starting a nitrogen injection fire extinguishing pipeline to butt and lock a communicated fire extinguishing pipeline to extinguish the fire;
in specific implementation, the device can adopt a protection mode that only 1 transformer or reactor can be protected by 1 set of fire extinguishing device of the existing oil-discharging nitrogen-injecting fire extinguishing device, and can also adopt a protection mode that a plurality of transformers or reactors can be protected by one set of fire extinguishing device in a combined distribution mode, so that the occupied area is saved to the greatest extent, the operation and maintenance workload is reduced, and the engineering investment is greatly reduced;
in specific implementation, a transformer oil tank and a transformer oil pillow oil discharge pipeline assembly and a nitrogen injection fire extinguishing pipeline assembly which are arranged at one end of a transformer or a reactor are arranged to avoid the explosion influence range of a top sleeve or a side sleeve of the transformer as far as possible, and when the oil discharge pipeline assembly and the nitrogen injection fire extinguishing pipeline assembly of the oil discharge nitrogen injection fire extinguishing device are smashed by transformer parts possibly subjected to serious explosion of the transformer sleeve, a pipe network explosion-proof device of a transformer explosion fire extinguishing system is arranged (see related patents of the applicant in detail); when the invention is implemented, the safety production, operation and maintenance of the transformer or the reactor equipment cannot be influenced.
Claims (3)
1. A fire extinguishing pipeline and transformer disconnection fire control linkage oil extraction-nitrogen injection fire extinguishing device is characterized in that: the device comprises 7 large components including a nitrogen injection fire extinguishing cabinet (A), a nitrogen injection fire extinguishing pipeline (B) of nitrogen injection fire extinguishing equipment, an automatic butt joint locking device (C) of the nitrogen injection fire extinguishing pipeline, a transformer preset nitrogen injection fire extinguishing pipeline (D), a transformer oil tank oil discharge pipeline (E), a transformer oil pillow oil discharge pipeline (F) and a fire alarm and linkage control system (G); the structure is as follows: the outlet of the nitrogen injection fire extinguishing cabinet (A) is connected with a nitrogen injection fire extinguishing pipeline (B) of the nitrogen injection fire extinguishing equipment, the transformer preset nitrogen injection fire extinguishing pipeline (D) is connected to the outlet of the lower part of the transformer oil tank, and the junction point of the nitrogen injection fire extinguishing pipeline (B) of the nitrogen injection fire extinguishing equipment and the transformer preset nitrogen injection fire extinguishing pipeline (D) is arranged at the position of an automatic butt joint locking device (C) of the nitrogen injection fire extinguishing pipeline; the transformer oil discharge pipeline is arranged as two independent oil discharge pipelines, namely a transformer oil tank oil discharge pipeline (E) and a transformer oil pillow oil discharge pipeline (F), wherein the transformer oil tank oil discharge pipeline (E) is led out from the upper part of a transformer oil tank, and the tail end of the transformer oil tank oil discharge pipeline is directly connected to a pebble of a transformer oil storage tank for discharging oil; one end of a transformer oil conservator oil discharge pipeline (F) is led out from a pipeline between a transformer oil conservator interception valve and a transformer oil conservator bottom valve, and the other end of the transformer oil conservator oil discharge pipeline is directly connected to a transformer oil storage tank pebble for discharging oil; the fire alarm and linkage control system (G) is arranged in the fire control room; wherein:
the nitrogen injection fire extinguishing cabinet (A) component is a nitrogen injection fire extinguishing equipment component and comprises a nitrogen starting cylinder group (A1), wherein the nitrogen starting cylinder group (A1) is fixed in the nitrogen injection fire extinguishing cabinet (A) by adopting a bracket; the starting cylinder head valve group (A2) is fixedly arranged on the starting nitrogen cylinder group (A1); one end of a starting gas pipeline (A3) is connected with a valve outlet of a starting bottle head valve group (A2), and the other end of the starting gas pipeline is connected with a nitrogen main gas valve (A5) fixed on a nitrogen fire extinguishing bottle group (A4); the nitrogen main pipeline (A6) is connected to the outlet of the nitrogen main air valve (A5), a nitrogen bottle pressure gauge (A7), a nitrogen output pressure gauge (A8), a nitrogen pressure reducing valve (A9), a nitrogen charging fire extinguishing delay device (A10), a nitrogen throttling component (A11) and a nitrogen output port (A12) component are respectively arranged in sequence along the air flow direction, the nitrogen output port (A12) is positioned at the tail end of the nitrogen main pipeline (A6) and is arranged at the top of the nitrogen injection fire extinguishing cabinet (A), and the nitrogen injection fire extinguishing pipeline (B) of the external nitrogen injection fire extinguishing equipment is connected with a flange; the nitrogen injection fire extinguishing cabinet (A) is connected with a fire alarm and linkage control system (G) through a power and control cable; the dampproof facility of the nitrogen injection fire extinguishing cabinet (A) comprises a temperature and humidity controller (A13), a dampproof heater (A14), a dampproof junction box (A15) and a junction terminal row (A16); the temperature and humidity controller (A13) is respectively connected with the moistureproof heater (A14), the moistureproof junction box (A15) and the wiring terminal block (A16) through a power line and a control line;
the two ends of a nitrogen injection fire extinguishing pipeline (B) component of the nitrogen injection fire extinguishing equipment are respectively connected with a nitrogen outlet (A12) of an outlet of the nitrogen injection fire extinguishing cabinet (A) component and a butt joint end (C1) of a butt joint locking device of an inlet of an automatic butt joint locking device (C) component of the nitrogen injection fire extinguishing pipeline, the nitrogen outlet (A12) of the nitrogen injection fire extinguishing pipeline (B) component led out from the nitrogen injection fire extinguishing cabinet (A) to the butt joint locking device butt joint end (C1) of the automatic butt joint locking device (C) of the nitrogen injection fire extinguishing pipeline sequentially comprises three sections of a nitrogen injection fire extinguishing main pipe (B1), a first nitrogen injection fire extinguishing pipeline compensator (B2) and a nitrogen gas fire extinguishing selection valve (B3), all of which adopt equal-diameter pipelines, and the whole pipeline is set as an oil-free pipeline;
the automatic butt joint locking device (C) component of the nitrogen injection fire extinguishing pipeline consists of a butt joint locking device butt joint end (C1) and a butt joint locking device receiving end (C2), and two ends of the nitrogen injection fire extinguishing pipeline (B) component of the nitrogen injection fire extinguishing equipment are respectively connected with a nitrogen fire extinguishing selection valve (B3) of the nitrogen injection fire extinguishing pipeline (B) component and an anti-misoperation electric fire extinguishing control valve (D7) of the pre-arranged nitrogen injection fire extinguishing pipeline (D) component of the transformer along the direction of nitrogen injection fire extinguishing airflow;
the transformer preset nitrogen injection fire extinguishing pipeline (D) component is an oil-carrying pipeline or an oil-free pipeline which is connected with a transformer oil tank and a nitrogen injection fire extinguishing pipeline, two ends of the transformer preset nitrogen injection fire extinguishing pipeline (D) component are respectively connected to a joint locking device receiving end (C2) outlet of the automatic joint locking device (C) component of the nitrogen injection fire extinguishing pipeline and a nitrogen injection fire extinguishing pipeline interface at the lower part of the transformer oil tank, and the transformer preset nitrogen injection fire extinguishing pipeline (D) component is formed by sequentially connecting an error-preventing electric fire extinguishing control valve (D7), a second nitrogen injection fire extinguishing pipeline compensator (D6), a nitrogen gas exhaust component (D5), a nitrogen injection fire extinguishing distribution pipe (D4), a nitrogen gas diversion component (D3), a nitrogen injection fire extinguishing branch pipe (D2) and a nitrogen injection interface valve (D1) along the nitrogen injection fire extinguishing airflow direction;
one end of the oil discharge pipeline (E) of the transformer oil tank is connected with the upper part of the transformer oil tank, and the other end of the oil discharge pipeline (E) of the transformer oil tank is directly connected with the pebbles of the oil storage tank of the transformer for discharging oil; the oil discharge pipeline (E) component of the transformer oil tank is formed by sequentially connecting an oil discharge interface valve (E1), an oil discharge pipeline exhaust component (E2), an anti-misoperation oil discharge selection valve (E3), an oil discharge valve leakage checking port (E4) and a first oil discharge pipeline (E5), wherein the oil discharge valve leakage checking port (E4) is arranged behind the first oil discharge pipeline (E5);
one end of a transformer oil conservator oil discharge pipeline (F) component is led out from the middle of a connecting pipe between a transformer oil conservator and a transformer oil tank, and the other end of the transformer oil conservator oil discharge pipeline (F) component is directly connected to the lower part of a pebble of a transformer oil storage tank; the transformer oil conservator oil discharge pipeline (F) component is formed by sequentially connecting a conservator oil discharge pipeline (F1), a conservator oil discharge control valve (F2), an oil discharge pipe leakage overhaul port (F3) and a second oil discharge pipe (F4); the position of the leading-out pipeline interface is positioned between the transformer oil conservator stop valve and the oil conservator bottom valve;
the fire alarm and linkage control system (G) component is a fire-fighting linkage control system of a nitrogen injection fire-extinguishing cabinet (A), a nitrogen injection fire-extinguishing pipeline (B) of nitrogen injection fire-extinguishing equipment, an automatic butt-joint locking device (C) of the nitrogen injection fire-extinguishing pipeline, a preset nitrogen injection fire-extinguishing pipeline (D) of a transformer, a transformer oil tank oil discharge pipeline (E) and a transformer oil pillow oil discharge pipeline (F) component, and is arranged in a fire-fighting control room; a standard fire alarm linkage control system shared with a dry powder fire extinguishing system outside the transformer is adopted; the fire alarm and linkage control system (G) component is connected with a fire-fighting linkage valve of a nitrogen injection fire-extinguishing cabinet (A), a nitrogen injection fire-extinguishing pipeline (B) of a nitrogen injection fire-extinguishing device, an automatic butt-joint locking device (C) of the nitrogen injection fire-extinguishing pipeline, a preset nitrogen injection fire-extinguishing pipeline (D) of a transformer, an oil discharge pipeline (E) of a transformer oil tank and an oil discharge pipeline (F) of a transformer oil pillow through power and control cables.
2. Fire extinguishing pipeline and transformer disconnection fire fighting linkage oil and nitrogen injection fire extinguishing device according to claim 1, characterized in that a set of nitrogen injection fire extinguishing cabinet (a) is connected with at least one or more transformers or reactors connected in parallel through nitrogen injection fire extinguishing equipment nitrogen injection fire extinguishing pipeline (B).
3. The fire fighting linkage oil and nitrogen injection fire extinguishing device for disconnecting a fire fighting pipeline from a transformer according to claim 1, wherein the nitrogen injection fire extinguishing pipeline is completely disconnected from a transformer oil tank by adopting an automatic docking locking device for the nitrogen injection fire extinguishing pipeline.
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU17759U1 (en) * | 2001-01-26 | 2001-04-27 | Закрытое акционерное общество "АРТСОК" | EXPLOSION, FIRE AND FIRE FIGHTING PREVENTION SYSTEM |
| KR100779872B1 (en) * | 2006-05-23 | 2007-11-27 | 주식회사 효성 | Burst protecting system for transforsmer |
| CN201658766U (en) * | 2010-02-09 | 2010-12-01 | 保定中恒电气有限公司 | Oil-discharging and nitrogen-injecting fire extinguishing apparatus of transformer |
| CN202236971U (en) * | 2011-08-31 | 2012-05-30 | 沈阳海为电力设备有限公司 | Quick oil-discharging and nitrogen-injecting fire-extinguishing device |
| CN203415351U (en) * | 2013-07-05 | 2014-01-29 | 赖耀华 | Transformer with nitrogen-injection fire extinguishing device |
| CN204668079U (en) * | 2015-06-16 | 2015-09-23 | 北京中瑞和电气有限公司 | Protection equipment for transformer |
| CN106390335A (en) * | 2016-08-31 | 2017-02-15 | 常州市达克富尔环保科技有限公司 | Oil-draining and nitrogen-injecting fire extinguishing device comprising double oil draining systems |
| CN107050695A (en) * | 2017-05-08 | 2017-08-18 | 浙江日新电气有限公司 | Oil-drainage nitrogen-filling fire-extinguishing |
| CN206880975U (en) * | 2017-07-06 | 2018-01-16 | 刘俐红 | A kind of high-power transformer fire control enlarging device |
| CN108607175A (en) * | 2018-07-03 | 2018-10-02 | 中国能源建设集团云南省电力设计院有限公司 | A kind of anti-explosion-proof moisture-proof oil draining nitrogen filling fire extinguishing device of tripping faulty action preventing of combination distribution |
| CN211659120U (en) * | 2019-12-26 | 2020-10-13 | 中国能源建设集团云南省电力设计院有限公司 | Fire extinguishing pipeline and transformer disconnection fire-fighting linkage oil discharge-nitrogen injection fire extinguishing device |
-
2019
- 2019-12-26 CN CN201911363811.7A patent/CN110935122B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU17759U1 (en) * | 2001-01-26 | 2001-04-27 | Закрытое акционерное общество "АРТСОК" | EXPLOSION, FIRE AND FIRE FIGHTING PREVENTION SYSTEM |
| KR100779872B1 (en) * | 2006-05-23 | 2007-11-27 | 주식회사 효성 | Burst protecting system for transforsmer |
| CN201658766U (en) * | 2010-02-09 | 2010-12-01 | 保定中恒电气有限公司 | Oil-discharging and nitrogen-injecting fire extinguishing apparatus of transformer |
| CN202236971U (en) * | 2011-08-31 | 2012-05-30 | 沈阳海为电力设备有限公司 | Quick oil-discharging and nitrogen-injecting fire-extinguishing device |
| CN203415351U (en) * | 2013-07-05 | 2014-01-29 | 赖耀华 | Transformer with nitrogen-injection fire extinguishing device |
| CN204668079U (en) * | 2015-06-16 | 2015-09-23 | 北京中瑞和电气有限公司 | Protection equipment for transformer |
| CN106390335A (en) * | 2016-08-31 | 2017-02-15 | 常州市达克富尔环保科技有限公司 | Oil-draining and nitrogen-injecting fire extinguishing device comprising double oil draining systems |
| CN107050695A (en) * | 2017-05-08 | 2017-08-18 | 浙江日新电气有限公司 | Oil-drainage nitrogen-filling fire-extinguishing |
| CN206880975U (en) * | 2017-07-06 | 2018-01-16 | 刘俐红 | A kind of high-power transformer fire control enlarging device |
| CN108607175A (en) * | 2018-07-03 | 2018-10-02 | 中国能源建设集团云南省电力设计院有限公司 | A kind of anti-explosion-proof moisture-proof oil draining nitrogen filling fire extinguishing device of tripping faulty action preventing of combination distribution |
| CN211659120U (en) * | 2019-12-26 | 2020-10-13 | 中国能源建设集团云南省电力设计院有限公司 | Fire extinguishing pipeline and transformer disconnection fire-fighting linkage oil discharge-nitrogen injection fire extinguishing device |
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|---|---|
| CN110935122A (en) | 2020-03-31 |
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