CN211555636U - Nitrogen-filled fire extinguishing device with rapid pressure relief and oil discharge functions - Google Patents
Nitrogen-filled fire extinguishing device with rapid pressure relief and oil discharge functions Download PDFInfo
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- CN211555636U CN211555636U CN202020373169.2U CN202020373169U CN211555636U CN 211555636 U CN211555636 U CN 211555636U CN 202020373169 U CN202020373169 U CN 202020373169U CN 211555636 U CN211555636 U CN 211555636U
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Abstract
The utility model discloses a fill nitrogen extinguishing device with quick pressure release oil extraction function, including transformer tank, fire control cabinet, switch board and oil storage tank, the fixed conservator that is provided with in transformer tank top, be in pipe connection between conservator and the transformer tank, the pipeline middle part is switched on there are gas relay and cutoff valve, the cutoff valve sets up between the pipeline of gas relay and conservator, the fixed a plurality of detectors that are used for surveying the temperature that are provided with in transformer tank top. The utility model discloses a with the cooling combustion medium, reduce the special extinguishing device of transformer that two kinds of physical principles of combustion face oxygen suppliment put out a fire fast, its fire extinguishing mechanism is based on the burning principle of heavy oil and on the conflagration characteristic of transformer completely, device itself does not take any coolant and only provides a necessary means and makes the most low-temperature liquid in the combustion medium remove the heat energy in the absorption burning liquid level high-temperature liquid to reach the purpose of cooling and putting out a fire.
Description
Technical Field
The utility model relates to a transformer fire control technical field, in particular to fill nitrogen extinguishing device with quick pressure release oil extraction function.
Background
Oil-filled transformers (hereinafter referred to as transformers) always present a fire hazard. The inner electric arc of the transformer caused by short circuit, overvoltage and the like ionizes oil products and decomposes various combustible gases, the inner pressure of an oil tank is rapidly increased, when the pressure exceeds the bearing limit of the oil tank, the weak part of the oil tank can be broken, oxygen enters into the oil tank to be mixed with the combustible gases, once the oil tank meets open fire or electric sparks with certain energy, the oil tank is instantly exploded to cause fire, and serious fire accidents are caused.
Therefore, it is necessary to provide a nitrogen-filled fire extinguishing apparatus with quick pressure-releasing and oil-discharging functions to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fill nitrogen extinguishing device with quick pressure release oil extraction function to solve the problem that provides among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a nitrogen-filled fire extinguishing device with a rapid pressure relief and oil discharge function comprises a transformer oil tank, a fire-fighting cabinet, a control cabinet and an oil storage pool, wherein an oil conservator is fixedly arranged at the top end of the transformer oil tank, the oil conservator is connected with the transformer oil tank through a pipeline, a gas relay and a cut-off valve are communicated with the middle of the pipeline, the cut-off valve is arranged between the gas relay and the oil conservator through the pipeline, a plurality of detectors for detecting temperature are fixedly arranged at the top end of the transformer oil tank, an oil discharge pipe is communicated with one side of the transformer oil tank, and a nitrogen-filled pipeline is communicated with the bottom end of the;
an oil discharge driving device, a nitrogen injection driving device, an oil discharge and nitrogen injection interlocking mechanism, an on-site mechanical starting mechanism and a nitrogen storage container are arranged in the fire-fighting cabinet, the oil discharge driving device is communicated with an oil discharge pipe, and the nitrogen injection driving device is communicated with a nitrogen injection pipeline;
the oil storage pool both sides welded fastening has a plurality of radiating fin, the oil storage pool top is provided with the gas vent, the inside threaded connection of gas vent has the blast pipe, the inside threaded connection of blast pipe bottom has exhaust mechanism, exhaust mechanism includes casing, spring and closing plate, casing and blast pipe bottom threaded connection, the inside baffle that has of casing, a plurality of through-holes have been seted up on the baffle surface, casing bottom inner wall has circular ring piece, closing plate and circular ring piece looks adaptation, spring one end and baffle fixed connection, the spring other end and closing plate fixed connection.
Preferably, an oil delivery pipe is communicated with the output end of the oil discharge driving device, and the oil delivery pipe is communicated with the oil storage pool.
Preferably, the oil delivery pipe and the oil storage pool are embedded underground.
Preferably, the top end of the exhaust pipe is provided with a flow equalizing plate.
Preferably, the control cabinet is internally provided with an explosion-proof remote control high-energy igniter, a standby control power supply, a nitrogen cylinder pressure alarm, an oil leakage alarm, a fire alarm, a one-piece starter and a single chip microcomputer.
Preferably, the detector is electrically connected with the input end of the single chip microcomputer, and the explosion-proof remote control high-energy igniter, the oil discharge driving device and the nitrogen injection driving device are electrically connected with the output end of the single chip microcomputer.
Preferably, the explosion-proof remote control high-energy igniter comprises a high-temperature-resistant ignition rod, and the ignition rod is fixed at the 100-200mm position of the exhaust top end through a special ignition rod clamp.
The utility model discloses a technological effect and advantage:
1. the utility model discloses a with the cooling combustion medium, reduce the special extinguishing device of transformer that two kinds of physical principles of combustion face oxygen suppliment put out a fire fast, its fire extinguishing mechanism is based on the burning principle of heavy oil and the conflagration characteristic of transformer completely, device itself does not take any coolant and only provides a necessary means and makes the most of cryogenic liquids remove the heat energy in the absorption burning liquid level high-temperature liquid in the combustion medium to reach the purpose of cooling and putting out a fire, not only fire control effect is good, use cost is lower simultaneously.
2. Through being provided with exhaust mechanism, make oil storage pool internal pressure grow when high temperature hot oil and multiple combustible gas enter into the oil storage pool inside, when oil storage pool internal pressure is greater than the elasticity of spring, promote the closing plate up-going motion, form the gap between closing plate and the circular ring piece, combustible gas enters into in the blast pipe through the gap, meanwhile, the work of singlechip control explosion-proof remote control high energy point firearm, ignite orificial combustible gas through the point movable rod, gas combustion leads to blast pipe top atmospheric pressure step-down, can make the inside quick pressure release of oil storage pool, can guarantee inside hot oil of transformer and fully discharge inside the oil storage pool, combustible gas direct combustion falls simultaneously, avoid causing the pollution to the air.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is the overall structure schematic diagram of the oil storage tank of the present invention.
Fig. 3 is an enlarged view of a portion a in fig. 2 according to the present invention.
In the figure: 1 transformer oil tank, 2 fire-fighting cabinet, 3 control cabinet, 4 oil storage pool, 5 conservator, 6 gas relay, 7 cut-off valve, 8 detector, 9 oil drain pipe, 10 nitrogen injection pipeline, 11 oil drain driving device, 12 nitrogen injection driving device, 13 nitrogen storage container, 14 oil pipeline, 15 fin, 16 exhaust port, 17 exhaust pipe, 18 shell, 19 spring, 20 sealing plate, 21 baffle, 22 through hole, 23 circular ring block, 24 flow equalizing plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a nitrogen-filled fire extinguishing device with quick pressure release and oil discharge functions as shown in figures 1-3, which comprises a transformer oil tank 1, a fire-fighting cabinet 2, a control cabinet 3 and an oil storage pool 4, wherein an oil conservator 5 is fixedly arranged at the top end of the transformer oil tank 1, the oil conservator 5 is connected with the transformer oil tank 1 through a pipeline, a gas relay 6 and a cut-off valve 7 are communicated at the middle part of the pipeline, the cut-off valve 7 is arranged between the pipelines of the gas relay 6 and the oil conservator 5, a plurality of detectors 8 for detecting temperature are fixedly arranged at the top end of the transformer oil tank 1, an oil discharge pipe 9 is communicated at one side of the transformer oil tank 1, and a nitrogen-filled pipeline 10 is communicated at the bottom end;
an oil discharge driving device 11, a nitrogen injection driving device 12, an oil discharge and nitrogen injection interlocking mechanism, an on-site mechanical starting mechanism and a nitrogen storage container 13 are arranged in the fire-fighting cabinet 2, the oil discharge driving device 11 is communicated with an oil discharge pipe 9, and the nitrogen injection driving device 12 is communicated with a nitrogen injection pipeline 10;
a plurality of radiating fins 15 are welded and fixed on both sides of the oil storage pool 4, an exhaust port 16 is arranged at the top end of the oil storage pool, an exhaust pipe 17 is connected with the inner part of the exhaust port 16 through screw threads, an exhaust mechanism is connected with the inner part of the bottom end of the exhaust pipe 17 through screw threads, the exhaust mechanism comprises a shell 18, a spring 19 and a sealing plate 20, the shell 18 is in threaded connection with the bottom end of the exhaust pipe 17, the shell 18 is internally provided with a baffle 21, the surface of the baffle 21 is provided with a plurality of through holes 22, the inner wall of the bottom end of the shell 18 is provided with a circular ring block 23, the sealing plate 20 is matched with the circular ring block 23, one end of the spring 19 is fixedly connected with the baffle plate 21, the other end of the spring 19 is fixedly connected with the sealing plate 20, when the exhaust mechanism does not work, the elasticity of spring drives the closing plate and only laminates in circular ring piece surface, can avoid empty pollutant to enter into inside the oil storage pool.
Further, in the above technical solution, an oil delivery pipe 14 is connected to an output end of the oil discharge driving device 11, and the oil delivery pipe 14 is connected to the oil storage pool 4;
furthermore, in the above technical scheme, the oil delivery pipe 14 and the oil storage tank 4 are pre-buried underground, and are matched with the arrangement of the heat dissipation fins 15, so that not only can space be saved, but also effective heat dissipation can be performed through the ground surface;
further, in the above technical solution, the top end of the exhaust pipe 17 is provided with a flow equalizing plate 24, and the arrangement of the flow equalizing plate 24 can enable the combustible gas to be uniformly discharged;
further, in the above technical scheme, an explosion-proof remote control high-energy igniter, a standby control power supply, a nitrogen cylinder pressure alarm, an oil leakage alarm, a fire alarm, a starter and a single chip microcomputer are arranged in the control cabinet 3;
further, in the above technical scheme, the detector 8 is electrically connected to the input end of the single chip microcomputer, and the explosion-proof remote control high-energy igniter, the oil discharge driving device 11 and the nitrogen injection driving device 12 are electrically connected to the output end of the single chip microcomputer.
Further, in the above technical scheme, the model of the explosion-proof remote control high-energy igniter is RXFY-12, which comprises a high temperature resistant ignition rod, and the ignition rod is fixed at the 100-200mm position of the top end of the exhaust pipe 17 through a special ignition rod clip.
This practical theory of operation:
referring to the attached figure 1 of the specification, when a short circuit or overvoltage occurs to a transformer, electric arcs can be caused inside the transformer, oil products are ionized, and various combustible gases are decomposed, in the process, the oil product can generate a large amount of heat, the hot oil flow and the hot air flow push the gas relay 6 to work, the gas relay 6 opens the stop valve 7, thereby cutting off an oil supplementing channel from the oil conservator 5 to the oil tank, sending an overtemperature signal to the singlechip when the detector 8 detects that the temperature reaches or exceeds the preset temperature, controlling the oil discharge driving device 11 to be started by the singlechip, immediately discharging hot oil on the top of the transformer tank body from the oil discharge pipe 9, therefore, the pressure inside the transformer oil tank 1 is fully released, at the moment, the nitrogen injection driving device 12 works to inject nitrogen with a certain flow into the oil tank from the bottom of the transformer tank body, the oil is forced to stir up and down by utilizing the natural convection principle, the temperature of the oil surface is rapidly reduced to be below the flash point, the oxygen content of the oil surface is reduced rapidly, and the combustion cannot be maintained to extinguish the fire;
referring to the attached drawings 2-3 of the specification, through being provided with the exhaust mechanism, make the internal pressure of oil storage pool 4 grow when high temperature hot oil and multiple combustible gas enter into the inside of oil storage pool 4, when the internal pressure of oil storage pool 4 is greater than the elasticity of spring 19, promote the closing plate 20 to move up, form the gap between closing plate 20 and the circular ring piece 23, combustible gas enters into the blast pipe through the gap, meanwhile, the singlechip controls the work of explosion-proof remote control high energy igniter, ignite the combustible gas at the mouth of the blast pipe through the point movable rod, gas combustion leads to the atmospheric pressure step-down above the blast pipe 17, can make the inside quick pressure release of oil storage pool 4, can guarantee that the hot oil in the inside of transformer fully discharges into the inside of oil storage pool 4, combustible gas directly burns off simultaneously, avoid causing the.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (7)
1. The utility model provides a fill nitrogen extinguishing device with quick pressure release oil extraction function, includes transformer tank (1), fire control cabinet (2), switch board (3) and oil storage pool (4), its characterized in that: an oil conservator (5) is fixedly arranged at the top end of the transformer oil tank (1), the oil conservator (5) is connected with the transformer oil tank (1) through a pipeline, a gas relay (6) and a cut-off valve (7) are communicated with the middle of the pipeline, the cut-off valve (7) is arranged between the gas relay (6) and the pipeline of the oil conservator (5), a plurality of detectors (8) used for detecting temperature are fixedly arranged at the top end of the transformer oil tank (1), an oil discharge pipe (9) is communicated with one side of the transformer oil tank (1), and a nitrogen injection pipeline (10) is communicated with the bottom end of the transformer oil tank (1);
an oil discharge driving device (11), a nitrogen injection driving device (12), an oil discharge and nitrogen injection interlocking mechanism, an on-site mechanical starting mechanism and a nitrogen storage container (13) are arranged in the fire-fighting cabinet (2), the oil discharge driving device (11) is communicated with an oil discharge pipe (9), and the nitrogen injection driving device (12) is communicated with a nitrogen injection pipeline (10);
a plurality of radiating fins (15) are welded and fixed on two sides of the oil storage pool (4), an exhaust port (16) is arranged at the top end of the oil storage pool (4), an exhaust pipe (17) is connected with the inner part of the exhaust port (16) in a threaded manner, an exhaust mechanism is connected with the inner part of the bottom end of the exhaust pipe (17) in a threaded manner, the exhaust mechanism comprises a shell (18), a spring (19) and a sealing plate (20), the shell (18) is in threaded connection with the bottom end of the exhaust pipe (17), a baffle plate (21) is arranged inside the shell (18), the surface of the baffle (21) is provided with a plurality of through holes (22), the inner wall of the bottom end of the shell (18) is provided with a circular ring block (23), the sealing plate (20) is matched with the circular ring block (23), one end of the spring (19) is fixedly connected with the baffle plate (21), and the other end of the spring (19) is fixedly connected with the sealing plate (20).
2. The nitrogen-filled fire extinguishing device with the function of rapid pressure relief and oil drainage as claimed in claim 1, wherein: an oil delivery pipe (14) is communicated with the output end of the oil discharge driving device (11), and the oil delivery pipe (14) is communicated with the oil storage pool (4).
3. The nitrogen-filled fire extinguishing device with the function of rapid pressure relief and oil drainage as claimed in claim 2, characterized in that: the oil delivery pipe (14) and the oil storage pool (4) are embedded underground.
4. The nitrogen-filled fire extinguishing device with the function of rapid pressure relief and oil drainage as claimed in claim 1, wherein: the top end of the exhaust pipe (17) is provided with a flow equalizing plate (24).
5. The nitrogen-filled fire extinguishing device with the function of rapid pressure relief and oil drainage as claimed in claim 1, wherein: the control cabinet (3) is internally provided with an explosion-proof remote control high-energy igniter, a standby control power supply, a nitrogen cylinder pressure alarm, an oil leakage alarm, a fire alarm, a starter and a singlechip.
6. The nitrogen-filled fire extinguishing device with the function of rapid pressure relief and oil drainage as claimed in claim 5, wherein: the detector (8) is electrically connected with the input end of the single chip microcomputer, and the explosion-proof remote control high-energy igniter, the oil discharge driving device (11) and the nitrogen injection driving device (12) are electrically connected with the output end of the single chip microcomputer.
7. The nitrogen-filled fire extinguishing device with the function of rapid pressure relief and oil drainage as claimed in claim 5, wherein: the explosion-proof remote control high-energy igniter comprises a high-temperature-resistant ignition rod, and the ignition rod is fixed at the position of 100-200mm at the top end of an exhaust pipe (17) through a special ignition rod clamp.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020373169.2U CN211555636U (en) | 2020-03-23 | 2020-03-23 | Nitrogen-filled fire extinguishing device with rapid pressure relief and oil discharge functions |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020373169.2U CN211555636U (en) | 2020-03-23 | 2020-03-23 | Nitrogen-filled fire extinguishing device with rapid pressure relief and oil discharge functions |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113066641A (en) * | 2021-03-30 | 2021-07-02 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Oil discharge device and system |
| CN113077965A (en) * | 2021-03-24 | 2021-07-06 | 刘寒星 | Resin insulation dry-type transformer |
| CN116386991A (en) * | 2023-05-10 | 2023-07-04 | 上海交通大学 | Quick pressure relief oil tank capable of being embedded into on-load tap-changer and oil tank design method |
-
2020
- 2020-03-23 CN CN202020373169.2U patent/CN211555636U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113077965A (en) * | 2021-03-24 | 2021-07-06 | 刘寒星 | Resin insulation dry-type transformer |
| CN113077965B (en) * | 2021-03-24 | 2023-01-13 | 广州市智馨电气有限公司 | Resin insulation dry-type transformer |
| CN113066641A (en) * | 2021-03-30 | 2021-07-02 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Oil discharge device and system |
| CN116386991A (en) * | 2023-05-10 | 2023-07-04 | 上海交通大学 | Quick pressure relief oil tank capable of being embedded into on-load tap-changer and oil tank design method |
| CN116386991B (en) * | 2023-05-10 | 2024-05-28 | 上海交通大学 | Quick pressure relief oil tank capable of being embedded into on-load tap-changer and oil tank design method |
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