CN113244549A - Transformer substation fire-fighting treatment method - Google Patents
Transformer substation fire-fighting treatment method Download PDFInfo
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- CN113244549A CN113244549A CN202110608806.9A CN202110608806A CN113244549A CN 113244549 A CN113244549 A CN 113244549A CN 202110608806 A CN202110608806 A CN 202110608806A CN 113244549 A CN113244549 A CN 113244549A
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000007921 spray Substances 0.000 claims abstract description 46
- 238000012544 monitoring process Methods 0.000 claims abstract description 25
- 239000000779 smoke Substances 0.000 claims abstract description 16
- 239000010865 sewage Substances 0.000 claims abstract description 11
- 239000000945 filler Substances 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 93
- 239000006260 foam Substances 0.000 claims description 30
- 239000007788 liquid Substances 0.000 claims description 21
- 239000000835 fiber Substances 0.000 claims description 20
- 239000004743 Polypropylene Substances 0.000 claims description 19
- -1 polypropylene Polymers 0.000 claims description 19
- 229920001155 polypropylene Polymers 0.000 claims description 19
- 238000004891 communication Methods 0.000 claims description 15
- 239000002351 wastewater Substances 0.000 claims description 15
- 238000005070 sampling Methods 0.000 claims description 12
- 239000002699 waste material Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- 238000005086 pumping Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 7
- 238000002485 combustion reaction Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 claims description 6
- 238000012806 monitoring device Methods 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 238000007667 floating Methods 0.000 claims description 3
- 238000005187 foaming Methods 0.000 claims description 3
- 229920001903 high density polyethylene Polymers 0.000 claims description 3
- 239000004700 high-density polyethylene Substances 0.000 claims description 3
- 230000009972 noncorrosive effect Effects 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000010897 surface acoustic wave method Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 239000002557 mineral fiber Substances 0.000 claims description 2
- 238000003672 processing method Methods 0.000 claims description 2
- 239000003595 mist Substances 0.000 claims 3
- 239000012141 concentrate Substances 0.000 claims 1
- 238000009423 ventilation Methods 0.000 claims 1
- 238000009413 insulation Methods 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 107
- 235000019198 oils Nutrition 0.000 description 100
- 238000005192 partition Methods 0.000 description 9
- 230000009467 reduction Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
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- 239000002480 mineral oil Substances 0.000 description 2
- 235000010446 mineral oil Nutrition 0.000 description 2
- 230000006855 networking Effects 0.000 description 2
- 235000019476 oil-water mixture Nutrition 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
-
- 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
- A62C31/05—Nozzles specially adapted for fire-extinguishing with two or more outlets
-
- 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
- A62C37/00—Control of fire-fighting equipment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
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- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Analytical Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Housings And Mounting Of Transformers (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a transformer substation fire protection treatment method in the technical field of transformer substation fire protection, which comprises a closed sound insulation room, a fire protection pipeline, a fire extinguishing spray head, a filler, a photoelectric smoke detector, a cable type linear temperature-sensing detector, an acoustic surface wave temperature detector and an Internet of things intelligent fire protection monitoring platform. The invention has the beneficial effects that: can initiatively cool down, fall and make an uproar, fire control to the transformer substation handle, through sewage treatment system, can handle the greasy dirt of transformer substation, satisfy the environmental protection demand.
Description
Technical Field
The invention relates to the technical field of transformer substation fire protection, in particular to a transformer substation fire protection processing method.
Background
The transformer is one of the most main devices of a transformer substation and a converter station, and the key for ensuring the safe and stable operation of the transformer is the safe operation of the transformer substation, the converter station and even the whole power grid. However, the transformer is used as a main noise source of a transformer substation and a converter station, and the noise exceeds the standard, so that the noise of the main transformer needs to be reduced by adopting noise reduction measures. The Box-in device is widely used as a noise reduction facility of a transformer due to the obvious noise reduction effect on low-frequency noise, but brings fire-fighting hidden dangers while bringing the obvious noise reduction effect, when a fire disaster occurs to the transformer, the transformer is arranged in the Box-in device (referred to as a closed sound-proof chamber in the application), a fire brigade cannot directly enter the Box-in device to extinguish the fire when catching fire, only can adopt remote spraying to extinguish the fire, and cannot effectively extinguish the fire at the root of the fire. Therefore, the Box-in device needs to be improved, and fire-fighting measures are added, so that the Box-in device can not only reduce noise; the temperature can be reduced, and the occurrence of fire can be prevented; the fire extinguisher can also extinguish fire, eliminate fire or control fire spread, strive for time for fire fighting and achieve value to the greatest extent.
It is clear from the national hazardous waste entry (2016 edition) that "waste transformer oil generated during transformer maintenance, replacement and disassembly" is a hazardous waste, the waste categories are "HW 08 waste mineral oil and mineral oil-containing waste", the waste code is 900-. When the transformer catches fire, the water spray system is opened, a large amount of water spray is sprayed in a short time to extinguish and cool the fire of the transformer, meanwhile, the transformer can also discharge oil in an accident, and a large amount of water-oil mixture is discharged into an accident oil pool. The conventional accident oil pool is simply constructed into a square or round underground box type structure; the stroke of oil-water mixture is short in the structure, so that insufficient waste oil separation is easily caused, the oil-water mixture is discharged before oil-water separation is finished, the waste oil is easily leaked, and secondary pollution is caused.
In 2016, 12 months, the "illegal discharge, dumping and disposal of more than three tons of dangerous wastes" is identified as a serious pollution environment "in the explanation of a plurality of problems about applicable laws of environmental pollution criminal case issued by the highest law and the highest inspection, for example, criminal penalty can be suffered when the accident waste oil is collected, temporarily stored and improperly disposed; the transformer oil accident risk prevention is a key ring for transformer substation environment management.
Based on the above, the invention designs a fire-fighting treatment method for a transformer substation, so as to solve the above problems.
Disclosure of Invention
The invention aims to provide a fire-fighting treatment method for a transformer substation, which aims to solve the problems in the prior art in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a transformer substation fire protection treatment method is characterized in that a closed sound insulation chamber is arranged on a transformer oil pit, the closed sound insulation chamber and the transformer oil pit are enclosed to form a closed hexahedron, the closed sound insulation chamber comprises a top surface and four side surfaces and is made of a zinc-coated plate, a fire fighting pipeline is arranged on the inner wall of the closed sound insulation chamber, a plurality of fire fighting spray heads are arranged on the fire fighting pipeline, fillers are arranged on the inner side of the closed sound insulation chamber, and a photoelectric smoke detector, a cable type linear temperature detector, an acoustic surface wave temperature detector and an internet of things intelligent fire protection monitoring platform are distributed in the closed sound insulation chamber;
the intelligent fire fighting monitoring platform comprises a photoelectric smoke detector, a surface acoustic wave temperature detector, a water spray system, a transformer, a fire extinguishing nozzle, a water spray system, a foam spray system, a photoelectric smoke detector, a sound surface wave temperature detector, a photoelectric smoke detector, a photoelectric sound surface wave temperature detector and a water spray system, wherein sampling data are transmitted to the intelligent fire fighting monitoring platform through the photoelectric smoke detector and the sound surface wave temperature detector in real time, if the instantaneous sampling value of one detector exceeds a safe operation range, the intelligent fire fighting monitoring platform of the internet of things starts a secondary fire fighting function, namely, the fire extinguishing nozzle automatically opens a valve, and sprays water spray through the water spray system to cool the transformer and even extinguish fire until the instantaneous sampling value returns to normal;
when a fire disaster occurs to the transformer and oil leakage is accompanied, oil stains are cleaned through the sewage treatment system, so that the produced oily wastewater is discharged into an accident oil pool through an accident oil pit, the oily wastewater is discharged to a sewage pipe network after being treated by the accident oil pool, the separated waste oil is pumped through an oil pumping hole, and is handed over to a unit with related quality to be collected and treated uniformly without being discharged.
Preferably, if after starting first-level fire control function, the instantaneous sampling value not only does not resume normal, but far exceeds the safe operating range, then when carrying out first-level fire control function, thing networking intelligent fire control monitoring platform dials 119 calls automatically to report the fire location.
Preferably, the fire extinguishing mechanism of the water spray system is that when water flow reaches the small holes of the spray head, water is completely smashed and is ejected along the conical surface of the outlet of the spray head to form tiny fog drops, the water fog is quickly evaporated into steam after being sprayed into a fire scene, the volume of the water fog rapidly expands to remove air, a barrier is formed around a combustion object to prevent fresh air from entering, and when the oxygen concentration around the combustion object is reduced to a certain level, flames are choked.
Preferably, the fire extinguishing mechanism of the foam spraying system is that water and foam liquid are mixed according to a certain proportion to form foam mixed liquid, compressed air with a certain proportion is injected into the foam mixed liquid at positive pressure to form compressed air foam with a certain foaming multiple, and finally the compressed air foam is fully mixed through a pipe network and then is conveyed to a tail end releasing device to be sprayed and put out fire.
Preferably, fire-fighting pipeline connects fire-fighting pool and foam liquid pond, and when starting second grade fire control function, the fire-fighting pool valve is opened, carries out the water spray cooling and puts out a fire, and when starting first grade fire control function, fire-fighting pool valve, foam liquid pond valve are opened simultaneously, carry out the foam spray cooling and put out a fire.
Preferably, the filler is a non-combustible, non-corrosive mineral fibre material.
Preferably, fire-fighting pipeline and fire extinguishing nozzle set up pipe network explosion-proof equipment, avoid transformer explosion part to damage fire-fighting pipeline and fire extinguishing nozzle.
Preferably, the sewage treatment system comprises an emergency oil pool, an oil discharge pipeline, a water inlet, a vent pipe, a manhole, an oil pumping hole, a water level meter and a water quality monitoring device, wherein the effective volume of the emergency oil pool meets the maximum oil quantity of a main transformer or a high-resistance transformer connected with the emergency oil pool, the emergency oil pool is of an underground full-buried structure and consists of a left chamber and a right chamber which have the same specification, a communication hole is formed in the bottom, liquid can flow between the two chambers, when the transformer fails to cause an accident, no liquid flows in an oil inlet pipe and a water outlet pipe of the emergency oil pool, clear water with a certain height is stored in the emergency oil pool, the highest point of the water surface is flush with the pipe bottom of the water outlet pipeline, the water level meter can synchronize the water level height to an internet-of-things intelligent monitoring platform in real time, automatic water supplement is carried out through the water inlet, the water surface height is kept, when the transformer has an accident, the emergency oil or the water-oil mixture of the transformer is discharged into the emergency oil pool from the oil discharge pipeline, because the oil is lighter than the water, the accident oil is positioned on the upper layer of the oil tank, when the accident oil or the water-oil mixture of the transformer is discharged into the left chamber of the accident oil tank, the oil floats upwards and sinks downwards, the original clear water of the left chamber is discharged into the right chamber, the original clear water of the right chamber is discharged into a city pipe network after reaching the standard through the water quality monitoring device, the floating oil and a part of dispersed oil in the water can be removed after the primary water-oil separation of the left chamber, the polypropylene fiber is arranged in the communicating hole at the bottom of the accident oil tank, the oily wastewater containing smaller particle size passes through the communicating hole at the bottom and is adsorbed by the polypropylene fiber oil absorption material, the polypropylene fiber is arranged in front of the drainage pipe of the right chamber to adsorb the emulsified oil and even the dissolved oil again in the oily wastewater, after the three-time process treatment, the wastewater discharge reaching the standard can be basically met, the polypropylene fiber monitoring system is arranged in the accident oil tank, the service life of the polypropylene fiber can be synchronized to the intelligent monitoring platform of the Internet of things in real time, the staff can change the polypropylene fibre according to the platform instruction, and the whole set of technology of system is accomplished the back, and accessible oil pumping hole takes oil out, and the accident oil pond receives accident oil collection back once, should in time take oil out accident oil pond to hand over to the unit that possesses relevant qualifications and collect and unified the processing, not arrange outward to when guaranteeing the oil extraction of next accident, there is sufficient space.
Preferably, the tank bottom and the tank wall of the emergency oil tank need to be impermeable, and the impermeable material is HDPE geomembrane.
Compared with the prior art, the invention has the beneficial effects that: can initiatively cool down, fall and make an uproar, fire control to the transformer substation handle, through sewage treatment system, can handle the greasy dirt of transformer substation, satisfy the environmental protection demand.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic perspective view of an emergency oil pool according to the present invention;
fig. 2 is a schematic sectional view of a three-dimensional structure of the explosion-proof device of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-accident oil pool, 2-water inlet, 3-cover plate, 4-manhole, 5-vent pipe, 6-drainage pipe, 7-right chamber, 8-partition plate, 9-communication hole, 10-left chamber, 11-protective seat, 12-installation groove, 13-partition plate, 14-communication hole, 15-communication groove, 16-sliding plug, 17-spring, 18-installation cavity and 19-pressurizing hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a transformer substation fire-fighting treatment method is characterized in that a closed sound-proof room is installed on a transformer oil pit, the closed sound-proof room and the transformer oil pit are enclosed into a closed hexahedron, the closed sound-proof room comprises a top surface and four side surfaces, the closed sound-proof room is made of a zinc-coated plate, a fire-fighting pipeline is installed on the inner wall of the closed sound-proof room, a plurality of fire-fighting spray heads are installed on the fire-fighting pipeline, fillers are arranged on the inner side of the closed sound-proof room, a photoelectric smoke detector, a cable type linear temperature detector, an acoustic surface wave temperature detector and an internet-of-things intelligent fire-fighting monitoring platform are arranged in the closed sound-proof room, the fillers are made of non-flammable and non-corrosive mineral fiber materials, the heat resistance of the closed sound-proof room is improved, the fire-fighting pipeline and the fire-fighting spray heads are provided with pipe network explosion-proof devices, transformer explosive components are prevented from damaging the fire-fighting pipeline and the fire-fighting spray heads, the pipe network explosion-proof devices comprise protection seats 11 sleeved on the fire-fighting spray heads, the fire extinguishing protection device is characterized in that a mounting groove 12 for mounting a fire extinguishing nozzle is formed in the protection seat 11, a mounting cavity 18 is formed in the protection seat 11, a partition plate 13 is arranged between the mounting cavity 18 and the mounting groove 12, a communication hole 14 in a through hole form is coaxially formed in the partition plate 13, the communication hole 14 is communicated with the fire extinguishing nozzle, a sliding plug 16 capable of freely sliding along the axial direction of the protection seat 11 is coaxially clamped in the mounting cavity 18, a communication groove 15 staggered with the communication hole 14 is formed in the end face of the sliding plug 16, a pressurizing hole 19 with the inner diameter gradually reduced towards the outer side of the protection seat 11 is formed in one end, far away from the partition plate 13, of the mounting cavity 18, a spring 17 is arranged in the mounting cavity 18, the spring 17 elastically abuts against the sliding plug 16 and drives the end face of the sliding plug 16 to abut against the surface of the partition plate 13, the abutting face is provided with liquid seal, and when a transformer explodes, the protection is achieved by the protection seat 11, the damage to the fire extinguishing nozzles can be reduced, when fire is normally extinguished, high-pressure water generated by the fire extinguishing nozzles generates thrust on the sliding plug 16 through the communication hole 14, the sliding plug 16 moves towards the pressurizing hole 19, the high-pressure water enters the installation cavity 18 and is pressurized through the pressurizing hole 19, the phenomenon of water pressure reduction cannot be generated when the high-pressure water is sprayed out of the pressurizing hole 19, the fire fighting pipeline is connected with a plurality of fire extinguishing nozzles at right angles, the arrangement requirement of two fire extinguishing nozzles on the top surface is 1.4R-1.7R, and the arrangement requirement of a plurality of fire extinguishing nozzles on four side surfaces is 1.4R-1.7R;
the intelligent fire fighting monitoring platform comprises a photoelectric smoke detector, a surface acoustic wave temperature detector, a water spray system, a transformer, a fire extinguishing nozzle, a water spray system, a foam spray system, a photoelectric smoke detector, a sound surface wave temperature detector, a photoelectric smoke detector, a photoelectric sound surface wave temperature detector and a water spray system, wherein sampling data are transmitted to the intelligent fire fighting monitoring platform through the photoelectric smoke detector and the sound surface wave temperature detector in real time, if the instantaneous sampling value of one detector exceeds a safe operation range, the intelligent fire fighting monitoring platform of the internet of things starts a secondary fire fighting function, namely, the fire extinguishing nozzle automatically opens a valve, and sprays water spray through the water spray system to cool the transformer and even extinguish fire until the instantaneous sampling value returns to normal;
when a fire disaster occurs to the transformer and oil leakage is accompanied, oil stains are cleaned through the sewage treatment system, so that the produced oily wastewater is discharged into an accident oil pool through an accident oil pit, the oily wastewater is discharged to a sewage pipe network after being treated by the accident oil pool, the separated waste oil is pumped through an oil pumping hole, and is handed over to a unit with related quality to be collected and treated uniformly without being discharged.
If after starting first-level fire control function, the instantaneous sampling value not only does not resume normal, but far away exceeds the safe operating range, then when carrying out first-level fire control function, thing networking intelligent fire control monitoring platform dials 119 calls automatically to report the conflagration location.
The fire extinguishing mechanism of the water spray system is that when water flow reaches small holes of the spray head, water is completely crushed and is ejected along the conical surface of the outlet of the spray head to form tiny fog drops, the water spray is quickly evaporated into steam after being sprayed into a fire scene, the volume of the water spray rapidly expands to remove air, a barrier is formed around a combustion object to prevent fresh air from entering, and when the concentration of oxygen around the combustion object is reduced to a certain level, flame is choked.
The fire extinguishing mechanism of the foam spraying system is that water and foam liquid are mixed according to a certain proportion to form foam mixed liquid, compressed air with a certain proportion is injected into the foam mixed liquid in a positive pressure mode to form compressed air foam with a certain foaming multiple, and finally the compressed air foam is conveyed to a tail end releasing device to be sprayed and put out fire after being fully mixed through a pipe network.
Fire-fighting pipeline connects fire-fighting pool and foam liquid pond, and when starting second grade fire control function, the fire-fighting pool valve is opened, carries out the water spray cooling and puts out a fire, and when starting first grade fire control function, fire-fighting pool valve, foam liquid pond valve are opened simultaneously, carry out the foam spray cooling and put out a fire.
The sewage treatment system comprises an accident oil pool 1, an oil discharge pipeline, a drainage pipeline 6, a water inlet 2, a vent pipe 5, a manhole 4, an oil pumping hole, a water level meter and a water quality monitoring device, wherein the effective volume of the accident oil pool meets the maximum oil quantity of a main transformer or a high-resistance transformer connected with the accident oil pool, the accident oil pool is of an underground full-buried structure, the top of the accident oil pool is provided with an integrally formed cover plate 3, the inside of the accident oil pool is provided with a partition plate 8, the inside of the accident oil pool is divided into a left chamber 10 and a right chamber 7 with the same specification by the partition plate 8, the bottom of the partition plate 8 is provided with a communication hole 9, liquid can flow between the two chambers, when the transformer has no accident, no liquid flows in an oil inlet pipe and a water outlet pipe of the accident oil pool, the accident oil pool stores clear water with a certain height, the highest point of the water surface is flush with the pipe bottom of the water outlet pipeline, the water level meter can synchronize the water level height to an intelligent monitoring platform of the Internet of things in real time and automatically supply water through the water inlet, keeping the height of the water surface, when the transformer has an accident, discharging accident oil or water-oil mixture of the transformer into an accident oil tank from an oil discharge pipeline, wherein the accident oil is positioned on the upper layer of the oil tank because the oil is lighter than water, when the accident oil or water-oil mixture of the transformer is discharged into a left chamber of the accident oil tank, the oil floats upwards and sinks downwards, the original clear water of the left chamber is discharged to a right chamber, the original clear water of the right chamber is discharged to a city pipe network after passing through a water quality monitoring device, after primary water-oil separation of the left chamber, the floating oil and a part of dispersed oil in water can be removed, polypropylene fibers are arranged in a communication hole at the bottom of the accident oil tank, when oil-containing wastewater with smaller particle size passes through the communication hole at the bottom, the polypropylene fibers are adsorbed by a polypropylene fiber oil absorption material, the polypropylene fibers are arranged in front of a drainage pipeline at the right chamber to adsorb emulsified oil-containing wastewater and even dissolve the oil again, and after three-process treatment, the wastewater can basically meet the discharge standard discharge, the polypropylene fiber monitoring system is arranged in the accident oil pool, the service life of the polypropylene fiber can be synchronized to the intelligent monitoring platform of the Internet of things in real time, workers can change the polypropylene fiber according to the indication of the platform, after the whole set of process of the system is completed, the oil can be pumped out through the oil pumping hole, after the accident oil pool receives the accident oil collected once, the oil is timely pumped out of the accident oil pool and handed over to a unit with related quality to be collected and uniformly processed without being discharged outside, so that enough space is reserved when oil is discharged in the next accident, the bottom and the wall of the accident oil pool need to be impermeable, and the impermeable material adopts an HDPE geomembrane.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (9)
1. A transformer substation fire-fighting treatment method is characterized in that a closed sound-proof room is installed on a transformer oil pit, the closed sound-proof room and the transformer oil pit are enclosed to form a closed hexahedron, the closed sound-proof room comprises a top surface and four side surfaces and is made of zinc-coated plates, a fire-fighting pipeline is installed on the inner wall of the closed sound-proof room, a plurality of fire-fighting nozzles are installed on the fire-fighting pipeline, fillers are arranged on the inner side of the closed sound-proof room, and a photoelectric smoke detector, a cable type linear temperature detector, an acoustic surface wave temperature detector and an internet of things intelligent fire-fighting monitoring platform are distributed in the closed sound-proof room;
the intelligent fire fighting monitoring platform comprises a photoelectric smoke detector, a surface acoustic wave temperature detector, a water spray system, a transformer, a fire extinguishing nozzle, a water spray system, a foam spray system, a photoelectric smoke detector, a sound surface wave temperature detector, a photoelectric smoke detector, a photoelectric sound surface wave temperature detector and a water spray system, wherein sampling data are transmitted to the intelligent fire fighting monitoring platform through the photoelectric smoke detector and the sound surface wave temperature detector in real time, if the instantaneous sampling value of one detector exceeds a safe operation range, the intelligent fire fighting monitoring platform of the internet of things starts a secondary fire fighting function, namely, the fire extinguishing nozzle automatically opens a valve, and sprays water spray through the water spray system to cool the transformer and even extinguish fire until the instantaneous sampling value returns to normal;
when a fire disaster occurs to the transformer and oil leakage is accompanied, oil stains are cleaned through the sewage treatment system, so that the produced oily wastewater is discharged into an accident oil pool through an accident oil pit, the oily wastewater is discharged to a sewage pipe network after being treated by the accident oil pool, the separated waste oil is pumped through an oil pumping hole, and is handed over to a unit with related quality to be collected and treated uniformly without being discharged.
2. The substation fire fighting processing method according to claim 1, wherein if the instantaneous sampling value does not return to normal but exceeds the safe operation range far after the primary fire fighting function is started, the internet of things intelligent fire monitoring platform automatically makes a 119 call and reports the location of the fire when the primary fire fighting function is performed.
3. The fire-fighting treatment method for the substation according to claim 1, wherein the fire extinguishing mechanism of the water spray system is that when water flow reaches the small holes of the spray head, water is completely crushed and is ejected along the conical surface of the outlet of the spray head to form tiny mist drops, the mist is rapidly evaporated into steam after being sprayed into a fire scene, the volume of the mist is rapidly expanded to remove air, a barrier is formed around a combustion object to prevent fresh air from entering, and when the oxygen concentration around the combustion object is reduced to a certain level, flames are choked.
4. The fire-fighting treatment method for the transformer substation according to claim 1, wherein the fire extinguishing mechanism of the foam spraying system is that water and foam concentrate are mixed according to a certain proportion to form foam mixed liquid, compressed air with a certain proportion is injected into the foam mixed liquid in a positive pressure mode to form compressed air foam with a certain foaming multiple, and finally the compressed air foam is fully mixed through a pipe network and then conveyed to a tail end releasing device to be sprayed and put out fire.
5. The transformer substation fire-fighting treatment method according to claim 1, wherein the fire-fighting pipeline is connected with a fire pool and a foam liquid pool, when the secondary fire-fighting function is started, a valve of the fire pool is opened to perform water spray cooling and fire extinguishing, and when the primary fire-fighting function is started, the valve of the fire pool and the valve of the foam liquid pool are simultaneously opened to perform foam spray cooling and fire extinguishing.
6. A substation fire protection treatment method according to claim 1, wherein the filler is a non-flammable, non-corrosive mineral fiber material.
7. The fire-fighting treatment method for the transformer substation as recited in claim 1, wherein the fire-fighting pipeline and the fire-fighting nozzles are provided with a pipe network explosion-proof device.
8. The fire-fighting treatment method for the transformer substation according to claim 1, wherein the sewage treatment system comprises an emergency oil pool, an oil discharge pipeline, a drainage pipeline, a water inlet, a ventilation pipe, a manhole, an oil pumping hole, a water level meter and a water quality monitoring device, the effective volume of the emergency oil pool is required to meet the maximum oil quantity of a main transformer or a high-voltage reactor connected with the emergency oil pool, the emergency oil pool is of an underground full-buried structure and comprises a left chamber and a right chamber which are identical in specification, a communication hole is formed in the bottom, liquid can flow between the two chambers, when the transformer has no accident, no liquid flows in an oil inlet pipe and a water outlet pipe of the emergency oil pool, the emergency oil pool stores clear water with a certain height, the highest point of the water surface is flush with the bottom of the water outlet pipeline, the water level meter can synchronize the water level height to an intelligent monitoring platform of the internet of things in real time, automatic water replenishing is performed through the water inlet, the water surface height is maintained, and when the transformer has an accident, the accident oil or the water-oil mixture of the transformer is discharged into an accident oil pool from an oil discharge pipeline, the accident oil is positioned on the upper layer of the oil pool because the oil is lighter than water, when the accident oil or the water-oil mixture of the transformer is discharged into a left chamber of the accident oil pool, the oil floats upwards and sinks under water, the original clear water of the left chamber is discharged into a right chamber, the original clear water of the right chamber is discharged to a city pipe network after reaching the standard through a water quality monitoring device, the floating oil and a part of dispersed oil in water can be removed after primary water-oil separation of the left chamber, polypropylene fibers are distributed in a communication hole at the bottom of the accident oil pool, the oil-containing waste water with smaller particle size passes through the communication hole at the bottom and is adsorbed by a polypropylene fiber oil absorption material, the polypropylene fibers are distributed in front of a drainage pipeline at the right chamber to adsorb emulsified oil or even dissolved oil in the oil-containing waste water again, the three-oil processing processes are carried out, the up-to-standard discharge of the waste water can be basically met, and a polypropylene fiber monitoring system is distributed in the accident oil pool, the service life of the polypropylene fiber can be synchronized to the intelligent monitoring platform of the Internet of things in real time, a worker can change the polypropylene fiber according to the platform indication, after the whole process of the system is completed, oil can be drawn out through the oil drawing hole, the accident oil pool is used for collecting and uniformly processing the oil after receiving the accident oil collected once, and the oil is drawn out in time and handed over to a unit with related quality, so that the oil is not discharged outside, and the space is enough when the oil is discharged in the next accident.
9. The fire-fighting treatment method for the substation according to claim 8, wherein the emergency oil pool needs to be impermeable at the pool bottom and the pool wall, and the impermeable material is HDPE geomembrane.
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Address after: Building 7, No. 168 Jiulong Road, Economic Development Zone, Hefei City, Anhui Province, 230031 Patentee after: Anhui Xinli Electric Technology Co.,Ltd. Country or region after: China Patentee after: ELECTRIC POWER Research Institute ANHUI ELECTRIC POWER COMPANY OF STATE GRID Address before: 230000 building 7, No.168, Jiulong Road, Jingkai District, Hefei City, Anhui Province Patentee before: ANHUI XINLI ELECTRIC TECHNOLOGY CONSULTING Co.,Ltd. Country or region before: China Patentee before: ELECTRIC POWER Research Institute ANHUI ELECTRIC POWER COMPANY OF STATE GRID |