CN110882501A - Transformer comprehensive fire prevention and control system - Google Patents
Transformer comprehensive fire prevention and control system Download PDFInfo
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- CN110882501A CN110882501A CN201911126575.7A CN201911126575A CN110882501A CN 110882501 A CN110882501 A CN 110882501A CN 201911126575 A CN201911126575 A CN 201911126575A CN 110882501 A CN110882501 A CN 110882501A
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- 230000002265 prevention Effects 0.000 title claims abstract description 14
- 239000006260 foam Substances 0.000 claims abstract description 79
- 238000003860 storage Methods 0.000 claims abstract description 68
- WVSNNWIIMPNRDB-UHFFFAOYSA-N 1,1,1,3,3,4,4,5,5,6,6,6-dodecafluorohexan-2-one Chemical compound FC(F)(F)C(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F WVSNNWIIMPNRDB-UHFFFAOYSA-N 0.000 claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 230000001681 protective effect Effects 0.000 claims abstract description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 47
- 238000009434 installation Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 230000000007 visual effect Effects 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 3
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 2
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 239000010962 carbon steel Substances 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 239000000779 smoke Substances 0.000 claims description 2
- QQZOPKMRPOGIEB-UHFFFAOYSA-N 2-Oxohexane Chemical compound CCCCC(C)=O QQZOPKMRPOGIEB-UHFFFAOYSA-N 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 43
- 238000004880 explosion Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
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- 230000008018 melting Effects 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
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- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- 230000001629 suppression Effects 0.000 description 1
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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
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
- A62C31/12—Nozzles specially adapted for fire-extinguishing for delivering foam or atomised foam
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C5/00—Making of fire-extinguishing materials immediately before use
- A62C5/02—Making of fire-extinguishing materials immediately before use of foam
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention relates to a transformer comprehensive fire prevention and control system, which consists of a perfluorohexanone automatic fire extinguishing system and an automatic tracking and positioning compressed gas foam fire extinguishing system, wherein the perfluorohexanone automatic fire extinguishing system comprises a fire extinguishing agent storage device shell, a fire extinguishing agent storage device, a container valve, a siphon, a starting mechanism, a fire extinguishing agent conveying pipeline, a release assembly, a perfluorohexanone fire extinguishing agent, driving gas, a fire detection device, a fire alarm linkage control device, an electric stop valve, an oil discharge pipeline, an electric circuit, an oil discharge valve, a mechanical interlocking valve, a pressure reducing valve, a driving gas cylinder I, a pneumatic pipeline, an acousto-optic alarm device and a cylinder head valve I, wherein the fire alarm linkage control device comprises a UPS uninterrupted power supply device; the automatic tracking and positioning compressed gas foam fire extinguishing system comprises a foam premixed liquid storage device, a driving gas cylinder II, a cylinder head valve II, a pressure reducing valve, a high-pressure hose, an electromagnetic valve, a foam liquid transmission pipeline, an electric valve, an automatic tracking and positioning foam gun, a protective shell, an electric circuit and a controller. The invention is suitable for the field of transformer fire prevention and control, and the fire extinguishing system has strong operation reliability and high fire extinguishing efficiency.
Description
Technical Field
The invention relates to the technical field of fire fighting equipment, in particular to a comprehensive fire prevention and control system for a transformer.
Background
The transformer is used as a core device in the power engineering, and plays a key role in starting and stopping in the links of power transmission, transformation and distribution. An oil-immersed transformer is a commonly adopted structural form at home and abroad, and is commonly used in places such as overground and underground transformer substations, thermal power plants, hydropower stations, wind power plants, nuclear power plants and the like. However, with the increasing of the national electric power construction investment, the voltage level and the capacity of the oil-immersed transformer are also increasing, the explosion and combustion risks of the oil-immersed transformer are increasing, inestimable loss may be caused, the reliable operation of a transformer substation and even the whole power grid facility is influenced, and the national, social and people are seriously influenced. At present, a fixed fire extinguishing system which is commonly used for oil immersed transformer fire at home comprises a water spray fire extinguishing system, a foam fire extinguishing system (external fire extinguishing) and an oil discharge and nitrogen injection fire extinguishing system (internal explosion prevention). These fire extinguishing systems are widely used domestically from different fire extinguishing mechanisms, structural forms, etc. However, due to the limitations of fire extinguishing equipment and the characteristics of explosion before combustion, and rapid explosion and combustion in transformer fires, the research and optimization of the fire extinguishing system of the oil immersed transformer are still continuously carried out in China.
Disclosure of Invention
The invention overcomes the defects in the prior art and provides a comprehensive fire prevention and control system for a transformer.
In order to solve the technical problems, the invention is realized by the following technical scheme: a transformer integrated fire prevention and control system comprises a perfluorohexanone automatic fire extinguishing system and an automatic tracking and positioning compressed gas foam fire extinguishing system;
the perfluorohexanone automatic fire extinguishing system comprises a shell of a fire extinguishing agent storage device, a container valve, a siphon, a starting mechanism, a fire extinguishing agent conveying pipeline, a release assembly, a perfluorohexanone fire extinguishing agent, a driving gas, a fire detection device, a fire alarm linkage control device, an electric stop valve, an oil discharge pipeline, an electric circuit, an oil discharge valve, a mechanical interlocking valve, a pressure reducing valve, a driving gas cylinder I, a pneumatic pipeline, an audible and visual alarm device and a cylinder head valve I; a UPS uninterrupted power supply device is arranged in the fire alarm linkage control device; the interior of the shell of the fire extinguishing agent storage device is fixedly connected with the fire extinguishing agent storage device, the oil discharge valve, the mechanical interlocking valve, the pressure reducing valve, the driving gas cylinder I and the pneumatic pipeline through a welding or bolt connection method; the fire extinguishing agent storage device is connected with the container valve in a threaded mode, the container valve is connected with the siphon in a threaded mode, the siphon is arranged in the fire extinguishing agent storage device, and the starting mechanism is connected with the container valve in a threaded mode; the fire extinguishing agent conveying pipeline is respectively connected with the container valve and the release assembly in a threaded connection mode, and the release assembly is arranged in the transformer oil storage tank; the perfluorohexanone fire extinguishing agent and the driving gas are filled in the fire extinguishing agent storage device together;
the driving gas cylinder I is connected with a cylinder head valve I through a screw connection mode, an upper port of the cylinder head valve I is connected with a starting mechanism through a screw connection mode, the cylinder head valve I is connected with a pressure reducing valve through a screw connection mode, the pressure reducing valve is connected with a mechanical interlocking valve and an oil discharge valve through a pneumatic pipeline, an electric stop valve is installed on an oil discharge pipeline connecting a transformer conservator and a transformer oil storage tank through a flange or screw connection mode, an inlet end of the oil discharge valve is connected with an oil discharge port through an oil discharge pipeline through a flange or screw connection mode, and an outlet end of the oil discharge valve is connected with the oil discharge pipeline through a flange or screw connection mode.
The fire detection device is connected with the fire alarm linkage control device through an electrical circuit, and the fire alarm linkage control device is respectively connected with the starting mechanism, the UPS uninterrupted power supply device and the acousto-optic alarm device through the electrical circuit; the electric stop valve and the oil discharge valve are connected with the fire alarm linkage control device through an electric circuit.
The automatic tracking and positioning compressed gas foam fire extinguishing system comprises a foam premixed liquid storage device, a driving gas cylinder II, a cylinder head valve II, a pressure reducing valve, a high-pressure hose, an electromagnetic valve, a foam liquid transmission pipeline, an electric valve, an automatic tracking and positioning foam gun, a protective shell, an electric circuit and a controller.
The foam premix storage device is filled with foam premix, the foam premix storage device is connected with an electromagnetic valve through a high-pressure hose in a threaded connection mode, the electromagnetic valve is connected with a pressure reducing valve in a threaded connection mode, the pressure reducing valve is connected with a cylinder head valve II in a threaded connection mode, the cylinder head valve II is connected with a driving gas cylinder II in a threaded connection mode, and the foam premix storage device is respectively connected with an electric valve and an automatic tracking and positioning foam gun through a foam liquid transmission pipeline in a flange, hoop or threaded connection mode; the controller is respectively connected with the electromagnetic valve, the electric valve, the automatic tracking and positioning foam monitor and the fire alarm linkage control device through electric lines; the controller is installed on a shell plate of the protection shell in an embedded or wall-mounted installation mode; the foam premix storage device, the driving gas cylinder II, the cylinder head valve II, the pressure reducing valve, the high-pressure hose, the electromagnetic valve, the electric valve, part of electric lines and the foam liquid transmission pipeline are all arranged in the protective shell; the automatic tracking and positioning foam gun is connected with the foam liquid transmission pipeline in a threaded connection or flange mode, and is installed at a proper position on the periphery of the transformer in a hoisting or seating installation mode.
Preferably, the fire extinguishing agent storage device is made of any one of a stainless steel cylinder or a carbon steel cylinder with an anti-corrosion coating inside.
Preferably, the container valve, the bottle head valve I and the bottle head valve II are made of any one of copper alloy, aluminum and stainless steel.
Preferably, the starting mechanism is any one of an electromagnet, an electromagnetic valve or a pneumatic valve.
Preferably, the fire extinguishing agent conveying pipeline is preferably a stainless steel pipe, and can also be a hot-dip galvanized seamless steel pipe or a pipeline made of other materials.
Preferably, the fire detector is one or a combination of two or more of a temperature sensing cable, an air suction type fire detector, a smoke detector and a temperature sensing detector.
Preferably, the perfluorohexanone automatic fire extinguishing system is of an internal pressure storage type, and can also adopt a standby pressure type.
As a preferred scheme, the automatic tracking and positioning compressed gas foam fire extinguishing system is of a standby pressure type, and can also adopt an internal pressure storage type.
Preferably, the automatic tracking and positioning compressed gas foam fire extinguishing system is preferably a foam fire extinguishing agent, and can also be any one or a combination of a plurality of water-based or other fire extinguishing agents.
Compared with the prior art, the invention has the beneficial effects that:
① the perfluorohexanone automatic fire extinguishing system and the automatic tracking and positioning compressed gas foam fire extinguishing system can flexibly select any working type of backup pressure type or internal storage pressure type according to the field use requirement, and can flexibly and safely meet the fire prevention and control requirement of the transformer;
② the perfluorohexanone automatic fire extinguishing system adopts perfluorohexanone fire extinguishing agent as fire extinguishing medium, which is colorless transparent liquid at normal temperature and pressure, with melting point of-108 deg.C and boiling point of 49 deg.C, good insulation, clean and environmental protection, wide application range of working environment, no residue after fire extinguishing, no secondary pollution or secondary damage, high fire extinguishing efficiency, fast cooling speed, not only physical cooling fire extinguishing and air-isolated smothering fire extinguishing, but also chemical suppression fire extinguishing, especially suitable for extinguishing transformer fire;
③ the fire detector of the automatic fire extinguishing system of perfluorohexanone has strong pertinence to the fire detection of transformer fire, has wide coverage, can accurately and reliably detect abnormal signals such as transformer fire, and the like, when the fire extinguishing system is started in linkage, firstly the transformer oil on the upper part is discharged, secondly the perfluorohexanone fire extinguishing agent is sprayed, thus not only ensuring the overall cooling and fire extinguishing effect, but also ensuring the safety of the overall structure of the transformer;
④ the automatic tracking and positioning compressed gas foam fire extinguishing system can actively detect fire and quickly and accurately position the fire part, ensure that the fire extinguishing medium is sprayed to the fire part at the first time, quickly control the initial fire, and avoid the need of building corresponding supporting facilities such as a fire pump room, a fire pool (water tank), a fire pump, a control device and an automatic fire detection alarm system, thus the installation, the use and the maintenance are simple and convenient, the construction period is greatly shortened and the construction cost is reduced;
⑤ the fire alarm linkage control device is provided with UPS device to ensure the safety and reliability of the whole system, and the fire alarm linkage control device is provided with network transceiver module to send the working state to the central control room or the mobile phone APP end in real time, to realize man-machine communication, and to monitor the transformer integrated fire prevention and control system and the actual situation around the transformer in real time.
Drawings
FIG. 1 is an elevational view of the transformer integrated fire protection and control system of the present invention;
FIG. 2 is a partial enlarged view of the automatic tracking and positioning compressed gas foam fire extinguishing system of the transformer integrated fire prevention and control system of the present invention;
FIG. 3 is a partially enlarged view of the perfluorohexanone automatic fire extinguishing system of the transformer integrated fire prevention and control system of the present invention.
In the figure: 1. a fire suppressant storage device housing; 2. a fire suppressant storage device; 3. a container valve; 4. a siphon tube; 5. a starting mechanism; 6. a fire suppressant delivery conduit; 7. a release assembly; 8. a perfluorohexanone fire extinguishing agent; 9. a drive gas; 10. a fire detection device; 11. a fire alarm linkage control device; 12. an electrically operated shutoff valve; 13. an oil discharge pipeline; 14. an electrical line; 15. an oil discharge valve; 16. a mechanical interlock valve; 17. a pressure reducing valve; 18. driving the gas cylinder I; 19. a pneumatic line; 20. an audible and visual alarm device; 21. a bottle head valve I; 22. a foam premix storage device; 23. driving the gas cylinder II; 24. a bottle head valve II; 25. a high pressure hose; 26. an electromagnetic valve; 27. a foam concentrate delivery pipeline; 28. an electrically operated valve; 29. automatically tracking and positioning the foam cannon; 30. a UPS device; 31. a protective housing; 32. a controller; 33. a transformer conservator; 34. a transformer oil storage tank; 35. an oil discharge port; 36. a transformer; 37. an accident oil storage pool.
Detailed Description
The invention is described in further detail below with reference to the following detailed description and accompanying drawings:
as shown in fig. 1 to 3, a transformer integrated fire prevention and control system comprises a perfluorohexanone automatic fire extinguishing system and an automatic tracking and positioning compressed gas foam fire extinguishing system;
the perfluorohexanone automatic fire extinguishing system comprises a fire extinguishing agent storage device shell 1, a fire extinguishing agent storage device 2, a container valve 3, a siphon 4, a starting mechanism 5, a fire extinguishing agent conveying pipeline 6, a release assembly 7, a perfluorohexanone fire extinguishing agent 8, driving gas 9, a fire detection device 10, a fire alarm linkage control device 11, an electric stop valve 12, an oil discharge pipeline 13, an electric circuit 14, an oil discharge valve 15, a mechanical interlocking valve 16, a pressure reducing valve 17, a driving gas bottle I18, a pneumatic pipeline 19, an audible and visual alarm device 20 and a bottle head valve I21; a UPS (uninterrupted power supply) device 30 is arranged in the fire alarm linkage control device 11; the interior of the shell 1 of the fire extinguishing agent storage device is fixedly connected with the fire extinguishing agent storage device 2, the oil discharge valve 15, the mechanical interlocking valve 16, the pressure reducing valve 17, the driving gas cylinder I18 and the pneumatic pipeline 19 through welding or bolt connection methods; the fire extinguishing agent storage device 2 is connected with the container valve 3 in a threaded mode, the container valve 3 is connected with the siphon 4 in a threaded mode, the siphon 4 is arranged in the fire extinguishing agent storage device 2, and the starting mechanism 5 is connected with the container valve 3 in a threaded mode; the fire extinguishing agent conveying pipeline 6 is respectively connected with the container valve 3 and the release assembly 7 in a threaded connection mode, and the release assembly 7 is arranged in the transformer oil storage tank 34; the perfluorohexanone fire extinguishing agent 8 and the driving gas 9 are filled in the fire extinguishing agent storage device 2 together;
the driving gas bottle I18 is connected with a bottle head valve I21 through a screw connection mode, the upper end port of a bottle head valve I21 is connected with the starting mechanism 5 through a screw connection mode, the bottle head valve I21 is connected with a pressure reducing valve 17 through a screw connection mode, the pressure reducing valve 17 is connected with a mechanical interlocking valve 16 and an oil discharge valve 15 through a pneumatic pipeline 19, an electric stop valve 12 is installed on an oil discharge pipeline 13 which is connected with a transformer oil conservator 33 and a transformer oil storage tank 34 through a flange or screw connection mode, the inlet end of the oil discharge valve 15 is connected with an oil discharge port 35 through an oil discharge pipeline 13 through a flange or screw connection mode, and the outlet end of the oil discharge valve 15 is connected with the oil discharge pipeline 13 through a flange or screw connection mode.
The fire detection device 10 is connected with a fire alarm linkage control device 11 through an electrical line 14, and the fire alarm linkage control device 11 is respectively connected with a starting mechanism 5, a UPS uninterrupted power supply device 30 and an audible and visual alarm device 20 through the electrical line 14; the electric shutoff valve 12 and the oil discharge valve 15 are connected to the fire alarm linkage control device 11 through an electric line 14.
The automatic tracking and positioning compressed gas foam fire extinguishing system comprises a foam premix storage device 22, a driving gas cylinder II23, a cylinder head valve II24, a pressure reducing valve 17, a high-pressure hose 25, an electromagnetic valve 26, a foam liquid transmission pipeline 27, an electric valve 28, an automatic tracking and positioning foam gun 29, a protective shell 31, an electric circuit 14 and a controller 32.
The foam premix storage device 22 is filled with foam premix, the foam premix storage device 22 is connected with an electromagnetic valve 26 through a high-pressure hose 25 in a threaded connection mode, the electromagnetic valve 26 is connected with a pressure reducing valve 17 in a threaded connection mode, the pressure reducing valve 17 is connected with a cylinder head valve II24 in a threaded connection mode, the cylinder head valve II24 is connected with a driving gas cylinder II23 in a threaded connection mode, and the foam premix storage device 22 is respectively connected with an electric valve 28 and an automatic tracking and positioning foam gun 29 through a foam liquid transmission pipeline 27 in a flange, hoop or threaded connection mode; the controller 32 is respectively connected with the electromagnetic valve 26, the electric valve 28, the automatic tracking and positioning foam gun 29 and the fire alarm linkage control device 11 through the electric line 14; the controller 32 is installed on the shell plate of the protective shell 31 in an embedded or wall-mounted installation mode; the foam premix storage device 22, the driving gas cylinder II23, the cylinder head valve II24, the pressure reducing valve 17, the high-pressure hose 25, the electromagnetic valve 26, the electric valve 28, part of the electric line 14 and the foam liquid transmission pipeline 27 are all arranged in the protective shell 31; the automatic tracking and positioning foam gun 29 is connected with the foam liquid transmission pipeline 27 in a threaded connection or flange mode, and the automatic tracking and positioning foam gun 29 is installed at a proper position on the periphery of the transformer in a hoisting or seating installation mode.
The working process is as follows:
when a fault occurs in the transformer 36 or abnormal conditions such as high temperature occur in the transformer oil storage tank 34, the fire detection device 10 installed around the transformer 36 and in the transformer oil storage tank 34 transmits related fire alarm signals to the fire alarm linkage control device 11 through the electrical line 14, after the fire alarm linkage control device 11 receives the alarm signals and processes the internal logic relationship, firstly, a closing signal is sent out and transmitted to the electric stop valve 12 through the electrical line 14, after the electric stop valve 12 is closed, the fire alarm linkage control device 11 sends out an opening signal and transmits the opening signal to the oil discharge valve 15 through the electrical line 14, after the oil discharge valve 15 is opened and delayed for a certain time, the fire alarm linkage control device 11 sends out a starting signal again and transmits the starting signal to the starting mechanism 5 at the upper port of the bottle head valve I through the electrical line 14, after the starting mechanism 5 receives the opening signal, the bottle head valve I is opened, the high-pressure gas stored in the driving gas cylinder I18 is reduced to a set working pressure through a pressure reducing valve 17 and then is conveyed to a mechanical interlocking valve 16 through a pneumatic pipeline 19, after the mechanical interlocking valve 16 is opened, transformer oil in the upper layer part of a transformer oil storage tank 34 is discharged to an accident oil storage pool 37 through an oil discharge pipeline 13, when the starting mechanism 5 adopts any one of an electromagnet or an electromagnetic valve, after reaching the preset delay time of discharging pressure relief, a starting signal is sent by a fire alarm linkage control device 11 and is transmitted to a starting mechanism 5 on a container valve 3 through an electric circuit 14, and the container valve 3 is opened by the starting mechanism 5; when the starting mechanism 5 adopts an air starting valve, a pneumatic pipeline 19 is led out from the rear of the mechanical interlocking valve 16 and connected with the starting mechanism 5 on the container valve 3, a device with a time delay function is additionally arranged between the pneumatic pipeline 19 and the starting mechanism 5, and after the container valve 3 is opened by the starting mechanism 5, the perfluorohexanone fire extinguishing agent 8 is conveyed to the release component 7 from the fire extinguishing agent conveying pipeline 6 through the siphon pipe 4 under the pressure of driving gas 9 and then is sprayed into the transformer oil storage tank 34 through the release component 7.
Secondly, when a fault or an open fire occurs outside the transformer 36, the automatic tracking and positioning foam monitor 29 automatically detects and positions the fault or the firing part, then sends out an alarm linkage starting signal and transmits the alarm linkage starting signal to the controller 32 through the electric line 14, the controller 32 sends out an opening signal after internal logic relation processing and transmits the opening signal to the electromagnetic valve 26 through the electric line 14, the opening signal is transmitted to the electric valve 28 through the electric line 14 after a preset time is delayed, the electromagnetic valve 26 is opened, then the high-pressure gas stored in the driving gas cylinder II23 is reduced to a set working pressure through the pressure reducing valve 17 by the cylinder head valve II24 and then is transmitted to the electromagnetic valve 26, the decompressed gas is input into the foam premix storage device 22 through the high-pressure hose 25, the foam premix in the foam premix storage device 22 is transmitted to the electric valve 28 through the foam liquid transmission pipeline 27 under the gas pushing effect, the foam liquid after the electric valve 28 is opened is transmitted to the automatic tracking and positioning foam monitor 29 through the foam, the automatic tracking and positioning foam gun 29 sprays foam liquid to the positioned fault or fire part.
Thirdly, when the perfluorohexanone automatic fire extinguishing system adopts a back-up pressure type working type, a gas source input port is additionally arranged on the fire extinguishing agent storage device 2, the container valve 3 is changed into a back-up pressure type system valve, the driving gas 9 is not mixed with the perfluorohexanone fire extinguishing agent 8 in the fire extinguishing agent storage device 2 and can be led out after the mechanical interlocking valve 16, and the driving gas 9 is input into the fire extinguishing agent storage device 2 from the gas source input port through the pneumatic pipeline 19; when the automatic tracking and positioning compressed gas foam fire extinguishing system adopts an internal pressure storage type working mode, the driving gas can be pre-filled in the foam premix liquid storage device 22 without arranging the driving gas cylinder II23, the cylinder head valve II24, the pressure reducing valve 17, the high-pressure hose 25 and the electromagnetic valve 26; the other working processes of the perfluorohexanone automatic fire extinguishing system and the automatic tracking and positioning compressed gas foam fire extinguishing system are the same as those of the first and the second.
The technical features of the present invention that are not described can be implemented by or using the prior art, and are not described herein again, of course, the above-mentioned embodiments are not limited to the present invention, and the present invention is not limited to the above-mentioned embodiments, and variations, modifications, additions or substitutions that are made by a person of ordinary skill in the art within the spirit and scope of the present invention should also fall within the protection scope of the present invention.
Claims (7)
1. The utility model provides a transformer synthesizes formula fire prevention and control system, includes perfluor hexanone automatic fire extinguishing systems and automatic tracking location compressed gas foam fire extinguishing systems, its characterized in that: the perfluorohexanone automatic fire extinguishing system comprises a fire extinguishing agent storage device shell (1), a fire extinguishing agent storage device (2), a container valve (3), a siphon (4), a starting mechanism (5), a fire extinguishing agent conveying pipeline (6), a release assembly (7), a perfluorohexanone fire extinguishing agent (8), driving gas (9), a fire detection device (10), a fire alarm linkage control device (11), an electric stop valve (12), an oil discharge pipeline (13), an electric circuit (14), an oil discharge valve (15), a mechanical interlocking valve (16), a pressure reducing valve (17), a driving gas cylinder I (18), a pneumatic pipeline (19), an acousto-optic alarm device (20) and a cylinder head valve I (21); a UPS uninterrupted power supply device (30) is arranged in the fire alarm linkage control device (11); the interior of the shell (1) of the fire extinguishing agent storage device is fixedly connected with the fire extinguishing agent storage device (2), an oil discharge valve (15), a mechanical interlocking valve (16), a pressure reducing valve (17), a driving gas cylinder I (18) and a pneumatic pipeline (19) through a welding or bolt connection method; the fire extinguishing agent storage device (2) is connected with the container valve (3) in a threaded mode, the container valve (3) is connected with the siphon (4) in a threaded mode, the siphon (4) is arranged in the fire extinguishing agent storage device (2), and the starting mechanism (5) is connected with the container valve (3) in a threaded mode; the fire extinguishing agent conveying pipeline (6) is respectively connected with the container valve (3) and the release assembly (7) in a threaded connection mode, and the release assembly (7) is arranged in the transformer oil storage tank (34); the perfluorohexanone fire extinguishing agent (8) and the driving gas (9) are filled in the fire extinguishing agent storage device (2) together;
the driving gas cylinder I (18) is connected with a cylinder head valve I (21) in a screw connection mode, the upper port of the cylinder head valve I (21) is connected with the starting mechanism (5) in a screw connection mode, the cylinder head valve I (21) is connected with the pressure reducing valve (17) in a screw connection mode, the pressure reducing valve (17) is connected with the mechanical interlocking valve (16) and the oil discharge valve (15) through a pneumatic pipeline (19), an electric stop valve (12) is installed on an oil discharge pipeline (13) connecting a transformer conservator (33) and a transformer oil storage tank (34) in a flange or screw connection mode, the inlet end of the oil discharge valve (15) is connected with an oil discharge port (35) through the oil discharge pipeline (13) in a flange or screw connection mode, and the outlet end of the oil discharge valve (15) is connected with the oil discharge pipeline (13) in a flange or screw connection mode.
2. The transformer integrated fire protection and control system of claim 1, wherein: the fire detection device (10) is connected with the fire alarm linkage control device (11) through an electric circuit (14), and the fire alarm linkage control device (11) is respectively connected with the starting mechanism (5), the UPS uninterrupted power supply device (30) and the audible and visual alarm device (20) through the electric circuit (14); the electric stop valve (12) and the oil discharge valve (15) are connected with the fire alarm linkage control device (11) through an electric circuit (14).
3. The transformer integrated fire protection and control system of claim 1, wherein: the automatic tracking and positioning compressed gas foam fire extinguishing system comprises a foam premix liquid storage device (22), a driving gas cylinder II (23), a cylinder head valve II (24), a pressure reducing valve (17), a high-pressure hose (25), an electromagnetic valve (26), a foam liquid transmission pipeline (27), an electric valve (28), an automatic tracking and positioning foam gun (29), a protective shell (31), an electric circuit (14) and a controller (32);
the foam premix storage device (22) is filled with foam premix, the foam premix storage device (22) is connected with an electromagnetic valve (26) through a high-pressure hose (25) in a threaded connection mode, the electromagnetic valve (26) is connected with a pressure reducing valve (17) in a threaded connection mode, the pressure reducing valve (17) is connected with a cylinder head valve II (24) in a threaded connection mode, the cylinder head valve II (24) is connected with a driving gas cylinder II (23) in a threaded connection mode, and the foam premix storage device (22) is respectively connected with an electric valve (28) and an automatic tracking and positioning foam gun (29) through a foam liquid transmission pipeline (27) in a flange, hoop or threaded connection mode; the controller (32) is respectively connected with the electromagnetic valve (26), the electric valve (28), the automatic tracking and positioning foam monitor (29) and the fire alarm linkage control device (11) through an electric circuit (14); the controller (32) is installed on a shell plate of the protective shell (31) in an embedded or wall-mounted installation mode; the foam premix storage device (22), the driving gas cylinder II (23), the cylinder head valve II (24), the pressure reducing valve (17), the high-pressure hose (25), the electromagnetic valve (26), the electric valve (28), part of the electric line (14) and the foam liquid transmission pipeline (27) are all arranged in the protective shell (31); the automatic tracking and positioning foam gun (29) is connected with the foam liquid transmission pipeline (27) in a threaded connection or flange mode, and the automatic tracking and positioning foam gun (29) is installed at a proper position on the periphery of the transformer in a hoisting or seating installation mode.
4. The transformer integrated fire protection and control system of claim 1, wherein: the fire extinguishing agent storage device (2) is a stainless steel cylinder or a carbon steel cylinder with an anticorrosive coating inside; the container valve (3) and the bottle head valve I (21) are made of copper alloy, aluminum or stainless steel.
5. The transformer integrated fire protection and control system of claim 1, wherein: the starting mechanism (5) adopts any one of an electromagnet, an electromagnetic valve and a pneumatic valve; the fire extinguishing agent conveying pipeline (6) is preferably a stainless steel pipe.
6. The transformer integrated fire protection and control system of claim 1, wherein: the fire detection device (10) is any one or combination of two or more of a temperature sensing cable, an air suction type fire detector, a smoke detector and a temperature sensing detector.
7. The transformer integrated fire protection and control system of claim 1, wherein: the perfluorohexanone automatic fire extinguishing system is of an internal pressure storage type or a pressure preparation type; the automatic tracking and positioning compressed gas foam fire extinguishing system is of a standby pressure type or an internal pressure storage type.
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| CN201911126575.7A CN110882501A (en) | 2019-11-18 | 2019-11-18 | Transformer comprehensive fire prevention and control system |
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| CN201911126575.7A CN110882501A (en) | 2019-11-18 | 2019-11-18 | Transformer comprehensive fire prevention and control system |
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| CN112908650A (en) * | 2021-03-16 | 2021-06-04 | 许秋香 | Transformer capable of reducing fire risk degree and using method thereof |
| WO2021259148A1 (en) * | 2020-06-22 | 2021-12-30 | 国网安徽省电力有限公司电力科学研究院 | Operation control method suitable for fire extinguishing system of extra-high voltage converter station |
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| CN114796949A (en) * | 2022-05-16 | 2022-07-29 | 中安银城科技有限公司 | Automatic control type electrical equipment fire hazard prevention detection device and method |
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