CN211659120U - 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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- CN211659120U CN211659120U CN201922394390.6U CN201922394390U CN211659120U CN 211659120 U CN211659120 U CN 211659120U CN 201922394390 U CN201922394390 U CN 201922394390U CN 211659120 U CN211659120 U CN 211659120U
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- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 336
- 238000002347 injection Methods 0.000 title claims abstract description 254
- 239000007924 injection Substances 0.000 title claims abstract description 254
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- 230000002265 prevention Effects 0.000 claims description 6
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 3
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Abstract
A fire-fighting linkage oil discharge-nitrogen injection fire extinguishing device with a fire extinguishing pipeline and a transformer disconnected 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 transformer preset nitrogen injection fire extinguishing pipeline D, a transformer oil tank oil discharge pipeline E, a transformer conservator oil discharge pipeline F and a fire alarm and linkage control system G; the utility model discloses traditional oil extraction nitrogen injection extinguishing device has been improved: 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 conservator oil discharge pipeline; when the system is started, the system does not receive logic starting signals such as a fire alarm signal and tripping of the three-side circuit breaker of the transformer at the same time, the transformer cannot be started to discharge oil and inject nitrogen to extinguish fire, and one set of nitrogen injection fire extinguishing device can simultaneously carry out fire extinguishing protection on one or more transformers or reactors.
Description
Technical Field
The utility model belongs to the fire-fighting equipment of transformer substation, concretely relates to fire-fighting pipeline and transformer disconnection fire-fighting linkage oil extraction-nitrogen injection fire extinguishing apparatus.
Background
For a long time, because many areas in China are limited by natural conditions such as drought, water shortage, long-term low-temperature freezing and the like, the main transformers of many transformer substations can only adopt an oil-discharging nitrogen-injecting fire extinguishing device to extinguish fire of the transformers. In 2018, in order to ensure the fire safety of the transformer, national power grids of two power grid companies and power grid companies in south China, the large-scale misoperation prevention and operation refusal transformation work of the oil-discharging and nitrogen-injecting fire extinguishing device of the transformer is carried out successively, the main transformation projects are basically concentrated on the transformation of a 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 after the transformation is required to be put on automatic operation; from the partial transformer oil extraction nitrogen injection extinguishing device transformation effect that finishes transforming at present, because nitrogen extinguishing device is annotated to oil extraction in the past all adopts manual operation mode, in case adopt automatic operation mode, many problems have all directly been exposed:
case one: in 11 months in 2019, on the third day after the 1# main transformer of a certain 500-kilovolt transformer substation is transformed and put into operation according to the transformation requirements of state network companies, an oil discharge heavy hammer of the nitrogen charging fire extinguishing device falls, an oil discharge valve is opened, main transformers discharge oil, a shutoff valve is turned off, and a double-floating-ball gas relay acts on the main transformers to trip. The on-site maintenance personnel quickly close the heavy hammer oil discharge valve, the nitrogen injection valve is not moved after inspection and confirmation, 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 requirements, the main transformer recovers to operate on the same day, and the operation is normal;
case two: the method comprises the following steps that the inspection and acceptance of #1 and #2 main transformers of a certain 330-kilovolt transformer substation are completed in an inspection and commissioning phase, the calibration value checking of the No. 1 and No. 2 main transformers and the preparation work before starting of equipment are carried out on site, two main transformer nitrogen-charging fire extinguishing devices are started to discharge oil and inject nitrogen in succession, site personnel immediately carry out emergency treatment, the two main transformers are vacuumized again, hot oil circulation, static discharge and electrical tests are carried out, and the main transformers are normally commissioned after the treatment is qualified;
in addition, the number of unexposed accident cases is large, so that people have to question that the technical scheme of the maloperation prevention modification project of the oil-discharging nitrogen-injecting fire extinguishing device does not find the core of the problem; through summarizing the misoperation cases of the conventional oil-discharging and nitrogen-injecting fire extinguishing device, four main problems of the oil-discharging and nitrogen-injecting fire extinguishing device are found, firstly, the permanent connection mode of an oil-discharging and nitrogen-injecting pipeline and a transformer oil tank of the conventional oil-discharging and nitrogen-injecting fire extinguishing device provides an accident transmission channel problem for all misoperation accidents, and the channel directly transmits the result of the misoperation accidents to transformer live equipment, which is the core problem of all oil-discharging and nitrogen-injecting misoperation accidents and solves the problem that the transformer is influenced basically; the oil-discharging and nitrogen-injecting start control system is not controlled by a start logic program of a fire alarm control system, and under the condition of no fire, the transformer is started to finish the misoperation operation of oil discharging and nitrogen injecting without considering the logic start programs of a fire alarm signal, a tripping signal of a three-side breaker of the transformer and the like, so that the essential problem of the control of the oil-discharging and nitrogen-injecting system is solved, and the problem of the misoperation of oil discharging and nitrogen injecting without fire can be solved; thirdly, an electromagnetic-mechanical interlocking device between the nitrogen injection fire extinguishing pipeline and the oil discharge pipeline of the traditional oil discharge and nitrogen injection fire extinguishing device provides an accident series connection 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 a carrier for all misoperation accidents and becomes the root cause of all misoperation accidents, the starting device has the problems that the starting device can not stop misoperation of the starting device after being subjected to multiple times of misoperation prevention transformation on the starting device, and the electromagnetic-mechanical starting device of the traditional oil-discharging and nitrogen-injecting fire extinguishing device can jump off fire extinguishing starting programs such as a fire alarm signal, a tripping signal of a three-side circuit breaker of a transformer, a transformer gas relay action signal and the like when any alarm, electromagnetism and mechanical misoperation is carried out on the oil-discharging and fire extinguishing pipeline or even the self-carried fire alarm device of oil-discharging and nitrogen-injecting, so that the production accidents of oil-discharging or nitrogen-injecting fire extinguishing of the transformer can be directly caused under the condition of no fire; no matter what consideration is considered in the initial setting stage of the device, the device is not suitable for being used in the oil-discharging and nitrogen-injecting fire extinguishing device;
the electric wire netting plays irreplaceable energy guarantee effect in national economic development, and the transformer is the important component part of electric wire netting, and the transformer is the most core equipment of transformer substation again, and when putting out a fire disaster of transformer, oil extraction nitrogen injection extinguishing device is the inside fire extinguishing system that the fire of present transformer is put out a fire and is indispensable, also is the biggest transformer fire extinguishing system of domestic use amount, consequently, thoroughly solves oil extraction nitrogen injection extinguishing device and refuses to move the malfunction problem and become the actual problem that needs the solution at present urgently.
Disclosure of Invention
The utility model aims at providing a fire extinguishing pipeline and transformer disconnection fire-fighting linkage oil discharge-nitrogen injection fire extinguishing apparatus, for the permanent connection mode of the oil discharge and nitrogen injection pipeline and the transformer oil tank of the traditional oil discharge and nitrogen injection fire extinguishing apparatus, the formed transmission channel for accidents of oil discharge and nitrogen injection malfunction adopts the technical scheme of breaking physical connection, solves the core problem that the transformer accidents are caused immediately by the oil discharge and nitrogen injection malfunction, reduces the automatic operation risk of the oil discharge and nitrogen injection fire extinguishing apparatus, and improves the safety level of electric power production;
for the control defect that the traditional oil-discharging and nitrogen-injecting fire extinguishing device is not controlled by a fire alarm controller when being started, a standard fire alarm control system and a control valve are adopted to solve the control defect that the traditional oil-discharging and nitrogen-injecting fire extinguishing device directly causes misoperation of the transformer for oil discharging or nitrogen injecting to extinguish fire by jumping a fire protection linkage control system, a fire alarm signal, a tripping signal of a three-side breaker of the transformer, a transformer gas relay action signal and other logic starting programs under the fire-free condition, and the essential problem that the misoperation accident of oil discharging and nitrogen injecting occurs is fundamentally solved;
for an electromagnetic-mechanical interlocking interactive accident series channel between a nitrogen injection fire extinguishing pipeline and an oil discharge pipeline of a traditional oil discharge and nitrogen injection fire extinguishing device, the technical scheme that the oil discharge pipeline and the nitrogen injection pipeline are completely and independently arranged and do not influence each other is adopted, and the interactive series channel, which can cause simultaneous misoperation accidents due to misoperation of any pipeline, is cut off;
for an electromagnetic-mechanical starting device of a traditional oil discharge and nitrogen injection device, a fire alarm linkage control system and a fire-fighting linkage control valve of a standard fire extinguishing system are adopted to replace a starting device of the traditional oil discharge and nitrogen injection fire extinguishing device, oil discharge is carried out in a linkage manner through an oil discharge pipeline, fire extinguishment is carried out through the linkage nitrogen injection fire extinguishing device, the problem of accident sources of the traditional oil discharge and nitrogen injection fire extinguishing device is solved, and the problem that the transformer oil discharge or nitrogen injection fire extinguishing misoperation production accident is directly caused by logical starting programs such as a tripping fire alarm signal, a tripping signal of a three-side circuit breaker, a transformer gas relay action signal and the like under the condition that the traditional oil discharge and nitrogen injection starting device is not in;
the utility model also improves and perfects an oil discharge pipeline of the traditional oil discharge and nitrogen injection fire extinguishing device into two independent oil discharge pipelines of a transformer oil tank oil discharge pipeline and a transformer conservator oil discharge pipeline; the oil discharge path is optimized, the oil discharge speed of the transformer is accelerated, and the accident links of misoperation of an oil discharge pipeline and transformer oil leakage are reduced; the oil drainage pipeline of the transformer conservator is arranged on a transformer which is positioned at the top of the transformer body in the transformer conservator structure, and the unequal transformer oil from several tons to ten tons in the transformer conservator is quickly emptied during fire, so that the fire-watering hidden danger caused by the transformer oil in the transformer conservator without a cut-off valve in the fire of the transformer which flows back to the transformer is eliminated, and the risk of explosion caused by heating of the transformer oil in the transformer conservator with the cut-off valve is eliminated;
the utility model can extinguish fire and protect the fire in one transformer or reactor, and also in a plurality of main transformers or reactors; the engineering investment is reduced to the maximum extent, the occupied area of the fire extinguishing device is reduced, and the operation and maintenance workload is reduced; when one transformer or reactor is in explosion fire, the device can selectively spray the internal oil tank of the transformer or reactor in fire for 10 minutes to extinguish the fire and form continuous nitrogen fire extinguishing cooling protection for more than 30 minutes on the top of the oil tank of the transformer; the utility model also adopts a new moisture-proof technical measure of the fire-extinguishing cabinet for preventing the device from misoperation caused by outdoor humid environment, and ensures that the system can effectively prevent fire and extinguish fire in a plurality of water-deficient frozen areas in China;
the technical scheme of the utility model is that:
the method comprises the steps of collecting accident cases through engineering practices, constantly summarizing problems of the conventional transformer oil-discharging and nitrogen-injecting fire extinguishing device, combining the transformation experience of national grid companies on the prevention of misoperation and misoperation of the oil-discharging and nitrogen-injecting fire extinguishing device, carefully analyzing the core, essence and root of the misoperation and misoperation accidents of the conventional oil-discharging and nitrogen-injecting fire extinguishing device, improving and perfecting by adopting various broken technical schemes, simulating a fire test through a transformer, and verifying whether the reliability, effectiveness and practicability of the device meet the fire extinguishing requirements of transformer explosion and fire.
A fire-fighting linkage oil discharge-nitrogen injection fire extinguishing device with a fire extinguishing pipeline and a transformer disconnected comprises 7 large components, namely a nitrogen injection fire extinguishing cabinet, a nitrogen injection fire extinguishing equipment nitrogen injection fire extinguishing pipeline, a nitrogen injection fire extinguishing pipeline automatic butt joint locking device, a transformer preset nitrogen injection fire extinguishing pipeline, a transformer oil tank oil discharge pipeline, a transformer oil conservator 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 transformer preset nitrogen injection fire extinguishing pipeline is connected with the outlet at the lower part of the transformer oil tank, and the junction of the nitrogen injection fire extinguishing pipeline of the nitrogen injection fire extinguishing equipment and the transformer preset nitrogen injection fire extinguishing pipeline 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 set as two independent oil discharge pipelines, namely an independent transformer oil tank oil discharge pipeline and a transformer conservator oil discharge pipeline, the transformer oil tank oil discharge pipeline is led out from the upper part of the transformer oil tank, and the tail end of the transformer oil tank oil discharge pipeline is directly connected into a transformer oil storage pool to discharge oil under pebbles; one end of a transformer conservator oil discharge pipeline is led out from a pipeline between a transformer conservator interception valve and a transformer conservator bottom valve, and the other end of the transformer conservator oil discharge pipeline is directly connected to a transformer oil storage pool for discharging oil under pebbles; the fire alarm and linkage control system is arranged in a fire control room and is connected with a fire control linkage valve of a nitrogen injection fire extinguishing cabinet, a nitrogen injection fire extinguishing pipeline of nitrogen injection fire extinguishing equipment, an automatic butt locking device of the nitrogen injection fire extinguishing pipeline, a transformer preset nitrogen injection fire extinguishing pipeline, a transformer oil tank oil discharge pipeline and a transformer conservator 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, and the starting nitrogen cylinder group is fixed in the nitrogen injection fire extinguishing cabinet by adopting a bracket; the starting bottle head valve group is fixedly arranged on the starting nitrogen bottle 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, 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 assembly and a nitrogen output port assembly are sequentially arranged in the airflow direction, the nitrogen output port is positioned at the tail end of the nitrogen main pipeline and arranged at the top of the nitrogen injection fire-extinguishing cabinet, and the nitrogen output port is connected with a nitrogen injection fire-extinguishing pipeline of external nitrogen injection fire-extinguishing equipment by adopting a flange; the nitrogen injection fire extinguishing cabinet is connected with a fire alarm and linkage control system through a power and control cable; the moisture-proof facility of the nitrogen injection fire-extinguishing cabinet comprises a temperature and humidity controller, a moisture-proof heater, a moisture-proof junction box and a wiring terminal block; the temperature and humidity controller is respectively connected with the moisture-proof heater, the moisture-proof junction box and the wiring terminal strip through a power supply circuit and a control circuit;
the two ends of a nitrogen injection fire extinguishing pipeline component of the nitrogen injection fire extinguishing equipment are respectively connected with a nitrogen outlet of a connecting component and a butt joint locking device butt joint end of a component inlet, the nitrogen injection fire extinguishing pipeline component of the nitrogen injection fire extinguishing equipment consists of a nitrogen injection fire extinguishing main pipe, a nitrogen injection fire extinguishing pipeline compensator and a nitrogen fire extinguishing selector valve in sequence from the nitrogen outlet led out of a nitrogen injection fire extinguishing cabinet to the butt joint locking device butt joint end of an automatic butt joint locking device of the nitrogen injection fire extinguishing pipeline, all the components adopt equal-diameter pipelines, and the whole section of pipeline is designed into 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 receiving end, and a nitrogen fire extinguishing selection valve and an anti-misoperation electric fire extinguishing control valve of the assembly are respectively connected with the components at two ends along the direction of nitrogen injection fire extinguishing airflow;
the transformer preset nitrogen injection fire extinguishing pipeline assembly is an oil-carrying pipeline or an oil-free pipeline which is used for connecting a transformer oil tank and a nitrogen injection fire extinguishing pipeline, two ends of the transformer preset nitrogen injection fire extinguishing pipeline assembly are respectively connected to an outlet of a receiving end of a butt locking device of the assembly 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 assembly is formed by sequentially connecting an anti-misoperation electric fire extinguishing control valve, a nitrogen injection fire extinguishing pipeline compensator, a nitrogen exhaust assembly, a nitrogen injection fire extinguishing distribution pipe, a nitrogen shunting assembly, a nitrogen injection fire extinguishing branch pipe and a nitrogen injection;
one end of the oil discharge pipeline component 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 component is directly connected into the oil storage pool of the transformer to discharge oil under pebbles; the assembly is formed by connecting an oil discharge port valve, an oil discharge pipe exhaust assembly, an anti-misoperation oil discharge selection valve, an oil discharge valve leakage inspection port and an oil discharge pipe in sequence, wherein the oil discharge valve leakage inspection port is formed 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 of the transformer oil conservator and the transformer oil tank, and the other end of the oil discharge pipeline component of the transformer oil tank is directly connected below the pebbles in the oil storage pool of the transformer; the assembly is formed by connecting an oil conservator oil drainage pipeline, an oil conservator oil drainage control valve, an oil drainage pipe leakage access hole and an oil drainage pipe in sequence; the position of the led-out pipeline interface is positioned between the cutoff valve of the transformer conservator and the bottom valve of the conservator;
the fire alarm and linkage control system components are fire control 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 drainage pipeline, a transformer oil conservator oil drainage pipeline and the like, and are arranged in a fire 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 fire-fighting linkage valve 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 preset nitrogen injection fire-extinguishing pipeline of a transformer, an oil discharge pipeline of a transformer oil tank and an oil discharge pipeline of a transformer oil conservator through power and control cables; the components do not receive logic starting signals such as a fire alarm signal and tripping of a three-side breaker of the transformer, and do not start an oil discharging and nitrogen injection fire extinguishing operation program of the transformer;
the utility model discloses one set of nitrogen injection fire-extinguishing cabinet is through annotating nitrogen fire-extinguishing equipment and annotating nitrogen fire-extinguishing pipeline and connect one at least or parallel connection is no less than a transformer or reactor.
The utility model discloses do not annotate nitrogen extinguishing device's following problem to traditional oil extraction: the oil discharge and nitrogen injection starting control of the traditional oil discharge and nitrogen injection fire extinguishing device is not controlled by a fire alarm controller; when the electromagnetic-mechanical interlocking starting device for oil discharge and nitrogen injection of the traditional oil discharge and nitrogen injection fire extinguishing device is in misoperation, fire extinguishing starting logic signals such as a fire alarm signal, a tripping signal of a three-side breaker of a transformer, a transformer gas relay action signal and the like can be tripped, so that the core and root problems of oil discharge or nitrogen injection 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 the misoperation of the oil discharge and nitrogen injection fire extinguishing device directly causes the accident channel and the accident core problem of the transformer accident; traditional oil extraction nitrogen injection extinguishing device starting drive oil extraction pipeline, notes nitrogen pipeline can interconnect interdynamic, and any maloperation on oil extraction pipeline or the notes nitrogen pipeline all can cause the mutual influence scheduling problem that both maloperations were simultaneously wrong in oil extraction pipeline and notes nitrogen pipeline, has taken following improvement measures:
the utility model discloses control and starting drive adopts standard fire alarm control system and coordinated control valve to replace traditional oil extraction nitrogen injection extinguishing device's controller and starting drive, has eliminated the serious control defect that traditional oil extraction nitrogen injection extinguishing device starts and is not controlled by fire alarm controller, has solved the oil extraction nitrogen injection malfunction control and has not received the fire control coordinated control's accident essential problem, has solved traditional oil extraction nitrogen injection extinguishing device electromagnetism-mechanical starting drive under the condition of no fire and has jumped off fire alarm signal + transformer three sides circuit breaker trip signal + transformer gas relay actuating signal etc. logic actuating signal, directly causes the transformer oil extraction nitrogen injection malfunction accident root cause problem of transformer oil extraction or nitrogen injection fire extinguishing malfunction; the nitrogen injection fire extinguishing pipeline adopts the automatic butt locking device of the nitrogen injection fire extinguishing pipeline to completely disconnect the nitrogen injection fire extinguishing pipeline from the transformer oil tank, and the nitrogen injection fire extinguishing misoperation accident of the transformer is not caused directly along the nitrogen injection fire extinguishing pipeline, so that the core problem of the accident that the transformer is immediately misoperation is caused by the misoperation of oil discharge and nitrogen injection; a linkage device of the traditional oil-discharging and nitrogen-injecting fire extinguishing device is cancelled between the oil-discharging and nitrogen-injecting fire extinguishing pipelines, and a completely independent oil-discharging pipeline and a nitrogen-injecting pipeline are arranged, so that the interconnection 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 the simultaneous misoperation of the oil-discharging pipeline and the nitrogen-injecting pipeline cannot be caused by any misoperation of the oil-discharging pipeline or the nitrogen-injecting pipeline; the oil discharge pipeline is provided with two independent oil discharge pipelines, namely a transformer oil tank oil discharge pipeline and a transformer conservator oil discharge pipeline, so that an oil discharge path is optimized, and accident links of misoperation of the oil discharge pipeline and transformer oil leakage are reduced; the transformer oil conservator oil drainage pipeline is arranged on a transformer which is positioned at the top of a transformer body and is in a transformer conservator structure, and fire-fighting linkage quickly empties unequal transformer oil from several tons to dozens of tons in the transformer conservator in case of fire, thereby eliminating the hidden danger of oil watering on fire caused by the transformer oil in the transformer conservator without a cut-off valve in case of fire of the transformer, and eliminating the risk of explosion caused by heating of the transformer oil in the transformer conservator with the cut-off valve;
the utility model is provided with a special high-power moisture-proof facility which is composed of a temperature and humidity controller, a moisture-proof heater, a moisture-proof junction box, a wiring terminal row and other components, and has good moisture-proof effect after being applied in engineering for many years;
the utility model has the advantages that: the utility model is an indispensable fire extinguishing device for fire extinguishment of a transformer or a reactor, and solves the core problem that the maloperation of the traditional oil discharge and nitrogen injection fire extinguishing device immediately causes transformer accidents; the utility model solves the essential problem of the uncontrolled misoperation of the traditional oil-discharging nitrogen-injecting fire extinguishing device; the utility model cancels the starting device of the traditional oil discharge and nitrogen injection fire extinguishing device, and solves the problem of the source of maloperation of the oil discharge and nitrogen injection fire extinguishing device; the utility model solves the accident series problem that any maloperation of the oil discharge pipeline or the nitrogen injection pipeline can cause maloperation of the oil discharge pipeline and the nitrogen injection pipeline at the same time; the utility model discloses transformer oil drainage pipeline has set up independent transformer tank oil drainage pipeline and transformer conservator oil drainage pipeline, has reduced the oil drainage pipeline maloperation of transformer tank oil drainage pipeline and the accident link of transformer oil leakage, and transformer conservator oil drainage pipeline eliminates the transformer oil reflux transformer in the transformer conservator that does not set up the shut-off valve when the transformer conflagration causes waters the oil hidden danger on fire, eliminates the transformer oil in the transformer conservator that sets up the shut-off valve and receives the thermal explosion risk; the utility model adopts a combined distribution protection mode, which can adopt one set of fire extinguishing device to protect 1 transformer or reactor, or a plurality of transformers or reactors, thus saving the occupied area to the maximum extent and reducing the workload of operation and maintenance; the utility model discloses a dampproofing new technical measure of fire-extinguishing cabinet, guaranteed that this system also can effectively put out a fire main transformer or reactor explosion conflagration in a lot of water shortage frozen areas of china, the nitrogen extinguishing device is annotated in the performance more than 30 minutes to transformer and reactor conflagration protection function that lasts of putting out a fire, provides the powerful assurance for transformer fire extinguishing system puts out a fire.
Drawings
FIG. 1 is a schematic view of the fire extinguishing apparatus of the present invention;
fig. 2 is a schematic structural diagram of the nitrogen injection fire extinguishing cabinet of the utility model.
Detailed Description
The following description will be made with reference to the accompanying drawings for a non-contact combined distribution nitrogen injection and oil discharge fire extinguishing apparatus of the present invention.
Referring to fig. 1, the fire-extinguishing pipeline and transformer disconnection fire-fighting linkage oil discharge-nitrogen injection fire-extinguishing device comprises 7 large components, namely 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 locking device C, a transformer preset nitrogen injection fire-extinguishing pipeline D, a transformer oil tank oil discharge pipeline E, a transformer oil conservator 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 nitrogen injection fire extinguishing equipment, a transformer preset nitrogen injection fire extinguishing pipeline D is connected with the outlet of the lower part of a transformer oil tank, and the intersection 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 locking device C of the nitrogen injection fire extinguishing pipeline; the transformer oil discharge pipeline is set as two independent oil discharge pipelines, namely an independent transformer oil tank oil discharge pipeline E and a transformer conservator oil discharge pipeline F, the transformer oil tank oil discharge pipeline E is led out from the upper part of the transformer oil tank, and the tail end of the transformer oil tank oil discharge pipeline is directly connected into a transformer oil storage pool to discharge oil under pebbles; one end of the transformer conservator oil drainage pipeline F is led out from a pipeline between the transformer conservator interception valve and the transformer conservator bottom valve, and the other end of the transformer conservator oil drainage pipeline F is directly connected to the transformer oil storage pool for oil drainage under pebbles; the fire alarm and linkage control system G is arranged in a fire control room and is connected with fire control linkage valves 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 transformer preset nitrogen injection fire extinguishing pipeline D, a transformer oil tank oil discharge pipeline E and a transformer conservator oil discharge pipeline F through power and control cables; wherein:
the component A of the nitrogen injection fire extinguishing cabinet is a nitrogen injection fire extinguishing equipment component, and the nitrogen injection fire extinguishing cabinet is formed in a structural schematic diagram (see figure 2); the nitrogen injection fire extinguishing cabinet A assembly is a nitrogen injection fire extinguishing equipment assembly and comprises a starting nitrogen cylinder group A1, and the starting nitrogen cylinder group A1 is fixed in the nitrogen injection fire extinguishing cabinet A by adopting a bracket; the starting bottle head valve group A2 is fixedly arranged on the starting nitrogen bottle group A1; one end of a starting gas pipeline A3 is connected with the valve outlet of a starting cylinder valve group A2, and the other end is connected with a nitrogen main gas valve A5 fixed on a nitrogen fire extinguishing cylinder group A4; the nitrogen main pipeline A6 is connected to an outlet of a 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 sequentially arranged along the air flow direction, and the nitrogen output port A12 is positioned at the tail end of the nitrogen main pipeline A6, is arranged at the top of a nitrogen injection fire-extinguishing cabinet A and is connected with a nitrogen injection fire-extinguishing pipeline B of external nitrogen injection fire-extinguishing equipment 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 moisture-proof facility of the nitrogen injection fire-extinguishing cabinet A comprises a temperature and humidity controller A13, a moisture-proof heater A14, a moisture-proof junction box A15 and a wiring terminal row A16; the temperature and humidity controller A13 is respectively connected with the moisture-proof heater A14, the moisture-proof junction box A15 and the wiring terminal row A16 through a power supply circuit and a control circuit;
the two ends of a component B of a nitrogen injection fire extinguishing pipeline of the nitrogen injection fire extinguishing equipment are respectively connected with a component outlet A12 and a butt joint locking device butt joint end C1 of a component inlet C, the component B of the nitrogen injection fire extinguishing equipment consists of a nitrogen injection fire extinguishing main pipe B1, a nitrogen injection fire extinguishing pipeline compensator B2 and a nitrogen fire extinguishing selector valve B3 in sequence from a nitrogen outlet A12 led out of a nitrogen injection fire extinguishing cabinet A to a butt joint locking device butt joint end C1 of a nitrogen injection fire extinguishing pipeline automatic butt joint locking device C, all the components adopt equal-diameter pipelines, and the whole pipeline section is set as an oil-free pipeline;
the nitrogen injection fire extinguishing pipeline automatic butt joint locking device C assembly consists of a butt joint locking device butt joint end C1 and a butt joint locking device bearing end C2, and two ends of the nitrogen injection fire extinguishing pipeline automatic butt joint locking device C assembly are respectively connected with a nitrogen fire extinguishing selection valve B3 of the assembly B and an anti-misoperation electric fire extinguishing control valve D7 of the assembly D along the direction of nitrogen injection fire extinguishing airflow;
the transformer preset nitrogen injection fire extinguishing pipeline D assembly 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 assembly are respectively connected to an outlet of a butt joint locking device receiving end C2 of the C assembly 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 assembly is formed by sequentially connecting a malfunction prevention electric fire extinguishing control valve D7, a nitrogen injection fire extinguishing pipeline compensator D6, a nitrogen gas exhaust assembly D5, a nitrogen injection fire extinguishing distribution pipe D4, a nitrogen gas flow distribution assembly D3, a nitrogen injection fire extinguishing branch pipe D2 and a nitrogen injection;
one end of an oil discharge pipeline E component 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 component is directly connected to the oil storage pool of the transformer to discharge oil under pebbles; the component E is formed by connecting an oil drain port valve E1, an oil drain pipe exhaust component E2, an anti-misoperation oil drain selection valve E3, an oil drain valve leakage inspection port E4 and an oil drain pipe E5 in sequence, and an oil drain valve leakage inspection port E4 is arranged behind an oil drain pipe E5;
one end of an oil discharge pipeline F component of the transformer oil tank is led out from the middle of a connecting pipe of the transformer oil tank and a transformer conservator, and the other end of the oil discharge pipeline F component is directly connected below pebbles in an oil storage pool of the transformer; the component F is formed by sequentially connecting an oil conservator oil drain pipeline F1, an oil conservator oil drain control valve F2, an oil drain pipe leakage access hole F3 and an oil drain pipe F4; the position of the led-out pipeline interface is positioned between the cutoff valve of the transformer conservator and the bottom valve of the conservator;
the fire alarm and linkage control system component G is a fire control linkage control system of components such as 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 drainage pipeline E, a transformer oil conservator oil drainage pipeline F and the like, and is arranged in a fire 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 G assembly 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 locking device C of the nitrogen injection fire-extinguishing pipeline, a transformer preset nitrogen injection fire-extinguishing pipeline D, a transformer oil tank oil drainage pipeline E and a transformer oil conservator oil drainage pipeline F through power and control cables; the G assembly does not receive a fire alarm signal and logic starting signals such as tripping of a three-side breaker of the transformer and the like, and does not start an oil discharging and nitrogen injection fire extinguishing operation program of the transformer;
the utility model discloses one set of nitrogen of annotating fire-extinguishing cabinet A is through annotating nitrogen fire-extinguishing apparatus notes nitrogen fire-extinguishing line B and connect at least one or parallel connection is no less than a transformer or reactor. When the nitrogen fire extinguishing cabinet is concretely implemented (see fig. 1), the utility model discloses one set of nitrogen fire extinguishing cabinet A annotates nitrogen fire extinguishing pipeline B parallel connection through annotating nitrogen fire extinguishing apparatus and has had three transformers or reactors.
In specific implementation, a valve B3 of a component B of a nitrogen injection fire extinguishing pipeline of the nitrogen injection fire extinguishing equipment is a fire-fighting linkage control valve of the component B, is normally closed at ordinary times, and is linked to open a valve B3 of a fire extinguishing pipeline of a fire transformer to communicate with the nitrogen injection fire extinguishing pipeline for fire extinguishing during fire;
in specific implementation, two components C1 and C2 of the nitrogen injection fire extinguishing pipeline automatic butt joint locking device component C are in a disconnected state at ordinary times, and during fire, the fire fighting linkage components C1 and C2 are in butt joint locking and are communicated with the nitrogen injection fire extinguishing pipeline to extinguish fire;
in specific implementation, the misoperation preventing electric fire extinguishing control valve D7 is a fire fighting linkage control valve of a transformer preset nitrogen injection fire extinguishing pipeline D assembly, is normally closed at ordinary times, and is linked to open a communicated nitrogen injection fire extinguishing pipeline for fire extinguishing during fire fighting; the nitrogen injection port valve D1 is normally open at ordinary times, and during maintenance, the nitrogen injection port valve D1 is closed for maintenance;
in specific implementation, the E3 valve is a fire-fighting linkage control valve of an E component of an oil drainage pipeline of a transformer oil tank, is normally closed at ordinary times, and is linked to open the E3 valve for oil drainage in case of fire; the E1 valve is normally open at ordinary times, and when in maintenance, the E1 valve is manually closed to carry out maintenance on the oil drainage pipeline; the maintenance port E4 can observe whether transformer oil leakage occurs in the oil discharge pipe at ordinary times, and the leakage is immediately organized and maintained;
when the transformer oil tank oil drainage pipeline is implemented specifically, an F assembly is led out from a connecting pipe of a transformer conservator and the transformer oil tank, the led-out pipeline interface is positioned between a cutoff valve of the transformer conservator and a bottom valve of the conservator, an F2 valve is normally closed at ordinary times, and an E3 valve is opened in a linkage mode to drain oil in case of fire; the F3 inspection hole can observe whether transformer oil leakage occurs in the oil discharge pipe at ordinary times, and the leakage occurs and is immediately organized for inspection;
during specific implementation, a fire alarm and linkage control system G assembly 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 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 and a transformer oil conservator oil discharge pipeline F through power and a control cable; when in fire, after the G assembly receives logic starting signals such as a fire detector alarm signal and a transformer three-side breaker tripping signal, delaying, starting an oil discharge pipeline to discharge oil in sequence, and starting a nitrogen injection fire extinguishing pipeline to be butted and locked with a communicated fire extinguishing pipeline to extinguish the fire;
when the device is specifically implemented, the 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 can be adopted by the device, and the protection mode that a plurality of transformers or reactors can be protected by one set of fire extinguishing device can also be adopted by a combined distribution mode, so that the occupied area is saved to the maximum extent, the operation and maintenance workload is reduced, and the engineering investment is greatly reduced;
in specific implementation, a transformer oil tank, a transformer conservator oil drainage 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 be avoided from the explosion influence range of a top surface sleeve or a side surface sleeve of the transformer as much as possible, and when the oil drainage pipeline assembly and the nitrogen injection fire extinguishing pipeline assembly of an oil drainage nitrogen injection fire extinguishing device are broken down by transformer parts which are likely to cause serious explosion of the transformer sleeve, a transformer explosion fire extinguishing system pipe network explosion-proof device is arranged (see the related patent of the applicant for details); the utility model discloses during the implementation, must not influence transformer or reactor equipment safety in production and operation maintenance.
Claims (3)
1. The utility model provides a fire extinguishing pipeline and transformer disconnection fire control linkage oil extraction-notes nitrogen extinguishing device which characterized in that: the system 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 transformer preset nitrogen injection fire extinguishing pipeline (D), a transformer oil tank oil drainage pipeline (E), a transformer oil conservator oil drainage 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 nitrogen injection fire extinguishing equipment, a transformer preset nitrogen injection fire extinguishing pipeline (D) is connected with the outlet of the lower part of a transformer oil tank, and the intersection 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 locking device (C) of the nitrogen injection fire extinguishing pipeline; the transformer oil discharge pipeline is set as two independent oil discharge pipelines, namely an independent transformer oil tank oil discharge pipeline (E) and a transformer conservator oil discharge pipeline (F), the transformer oil tank oil discharge pipeline (E) is led out from the upper part of the transformer oil tank, and the tail end of the transformer oil tank oil discharge pipeline is directly connected to a transformer oil storage pool for discharging oil under pebbles; one end of the transformer conservator oil drainage pipeline (F) is led out from a pipeline between the transformer conservator interception valve and the transformer conservator bottom valve, and the other end of the transformer conservator oil drainage pipeline (F) is directly connected into a transformer oil storage pool to drain oil under pebbles; 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 starting nitrogen bottle group (A1), and the starting nitrogen bottle group (A1) is fixed in the nitrogen injection fire extinguishing cabinet (A) by adopting a bracket; the starting bottle head valve group (A2) is fixedly arranged on the starting nitrogen bottle group (A1); one end of a starting gas pipeline (A3) is connected with the valve outlet of the starting bottle head valve group (A2), and the other end is connected with a nitrogen main gas valve (A5) fixed on the nitrogen fire-extinguishing bottle group (A4); the nitrogen main pipeline (A6) is connected at the outlet of a 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-filled fire-extinguishing delay device (A10), a nitrogen throttling component (A11) and a nitrogen output port (A12) are sequentially arranged in the air flow direction, the nitrogen output port (A12) is positioned at the tail end of the nitrogen main pipeline (A6) and arranged at the top of the nitrogen-filled fire-extinguishing cabinet (A), and is connected with a nitrogen-filled fire-extinguishing pipeline (B) of external nitrogen-filled fire-extinguishing equipment 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 moisture-proof facility of the nitrogen injection fire-extinguishing cabinet (A) comprises a temperature and humidity controller (A13), a moisture-proof heater (A14), a moisture-proof junction box (A15) and a terminal block (A16); the temperature and humidity controller (A13) is respectively connected with the moisture-proof heater (A14), the moisture-proof junction box (A15) and the wiring terminal block (A16) through a power supply circuit and a control circuit;
the two ends of a component of a nitrogen injection fire extinguishing pipeline (B) of the nitrogen injection fire extinguishing equipment are respectively connected with a nitrogen outlet (A12) of an outlet of the component and a butt joint locking device butt joint end (C1) of an inlet of a component of an automatic butt joint locking device (C) of the nitrogen injection fire extinguishing pipeline, the component of the nitrogen injection fire extinguishing equipment consists of a nitrogen injection fire extinguishing main pipe (B1), a nitrogen injection fire extinguishing pipeline compensator A (B2) and a nitrogen fire extinguishing selector valve (B3) in sequence from a nitrogen outlet (A12) led out of a nitrogen injection fire extinguishing cabinet (A) to a butt joint locking device butt joint end (C1) of the automatic butt joint locking device (C) of the nitrogen injection fire extinguishing pipeline, all pipelines with equal diameters are adopted, and the whole pipeline is set as an oil-free pipeline;
the nitrogen injection fire extinguishing pipeline automatic butt joint locking device (C) assembly 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 automatic butt joint locking device assembly are respectively connected with a nitrogen fire extinguishing selection valve (B3) of the assembly (B) and an anti-misoperation electric fire extinguishing control valve (D7) of a transformer preset nitrogen injection fire extinguishing pipeline (D) assembly along the direction of nitrogen injection fire extinguishing airflow;
the transformer preset nitrogen injection fire extinguishing pipeline (D) assembly 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) assembly are respectively connected to an outlet of a butt joint locking device receiving end (C2) of the nitrogen injection fire extinguishing pipeline automatic butt joint locking device (C) assembly 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) assembly is formed by sequentially connecting a malfunction prevention electric fire extinguishing control valve (D7), a nitrogen injection fire extinguishing pipeline compensator B (D6), a nitrogen exhaust assembly (D5), a nitrogen injection fire extinguishing distribution pipe (D4), a nitrogen flow dividing assembly (D3), a nitrogen injection fire extinguishing branch pipe (D2) and;
one end of an oil discharge pipeline (E) component 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) component is directly connected to an oil storage pool of the transformer to discharge oil under pebbles; the oil discharge pipeline (E) assembly of the transformer oil tank is formed by sequentially connecting an oil discharge port valve (E1), an oil discharge pipe exhaust assembly (E2), an anti-misoperation oil discharge selection valve (E3), an oil discharge valve leakage inspection port (E4) and an oil discharge pipe A (E5), wherein the oil discharge valve leakage inspection port (E4) is arranged behind the oil discharge pipe A (E5);
one end of an oil drain pipeline (F) component of the transformer conservator is led out from the middle of a connecting pipe of the transformer conservator and a transformer oil tank, and the other end of the component is directly connected below pebbles in an oil storage pool of the transformer; the transformer conservator oil drainage pipeline (F) assembly is formed by sequentially connecting an conservator oil drainage pipeline (F1), an conservator oil drainage control valve (F2), an oil drainage pipe leakage access hole (F3) and an oil drainage pipe B (F4); the position of the led-out pipeline interface is positioned between the cutoff valve of the transformer conservator and the bottom valve of the conservator;
the fire alarm and linkage control system (G) is a fire control linkage control system of the components of a nitrogen injection fire extinguishing cabinet (A), a nitrogen injection fire extinguishing pipeline (B) of the 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 drainage pipeline (E) and a transformer oil conservator oil drainage pipeline (F), and is arranged in a fire control room; a standard fire alarm linkage control system shared with a dry powder fire extinguishing system outside the transformer is adopted; and the fire alarm and linkage control system (G) component is connected with the fire-fighting linkage valves of the nitrogen injection fire-extinguishing cabinet (A), the nitrogen injection fire-extinguishing pipeline (B), the nitrogen injection fire-extinguishing pipeline automatic butt locking device (C), the transformer preset nitrogen injection fire-extinguishing pipeline (D), the transformer oil tank oil discharge pipeline (E) and the transformer oil conservator oil discharge pipeline (F) through power and control cables.
2. The linked oil-discharge and nitrogen-injection fire extinguishing device with the fire extinguishing pipeline disconnected from the transformer as claimed in claim 1, characterized in that a set of nitrogen-injection fire extinguishing cabinets (A) are connected with at least one or more than one transformer or reactor in parallel connection through nitrogen-injection fire extinguishing equipment nitrogen-injection fire extinguishing pipelines (B).
3. The linked oil-discharge and nitrogen-injection fire extinguishing device for disconnecting fire extinguishing pipeline from transformer according to claim 1, characterized in that the nitrogen-injection fire extinguishing pipeline is completely disconnected from the transformer oil tank by using the automatic butt locking device of the nitrogen-injection fire extinguishing pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922394390.6U CN211659120U (en) | 2019-12-26 | 2019-12-26 | Fire extinguishing pipeline and transformer disconnection fire-fighting linkage oil discharge-nitrogen injection fire extinguishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922394390.6U CN211659120U (en) | 2019-12-26 | 2019-12-26 | Fire extinguishing pipeline and transformer disconnection fire-fighting linkage oil discharge-nitrogen injection fire extinguishing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211659120U true CN211659120U (en) | 2020-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922394390.6U Withdrawn - After Issue CN211659120U (en) | 2019-12-26 | 2019-12-26 | Fire extinguishing pipeline and transformer disconnection fire-fighting linkage oil discharge-nitrogen injection fire extinguishing device |
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| CN (1) | CN211659120U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110935122A (en) * | 2019-12-26 | 2020-03-31 | 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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2019
- 2019-12-26 CN CN201922394390.6U patent/CN211659120U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110935122A (en) * | 2019-12-26 | 2020-03-31 | 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 |
| CN110935122B (en) * | 2019-12-26 | 2024-03-01 | 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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