CN218391941U - Oil-water collection assembly and fire fighting system - Google Patents

Abstract

The utility model provides a subassembly and fire extinguishing system are collected to profit, profit collection subassembly is including setting up in the inboard oil collection hole in valve room and built on stilts the cobble layer that sets up in oil collection hole top, and cobble layer top is separated for the drainage area and coverage area through closed apron, the coverage area of closed apron is the coverage area, the drainage area sets up to be close to prevents hot wall one side, closed cover plate can rise the separation and prevent hot wall and valve room inboardly between. The oil-water collecting component is arranged on the ground inside the valve hall, so that leaked transformer oil can be collected, and workers can directly walk on the closed cover plate, so that the inspection and maintenance can be conveniently carried out at ordinary times; when taking place the condition of a fire, through lifting up the blind cover, form the back-fire relief wall that the separation intensity of a fire stretchs between the regional and the valve room of catching fire that is close to firewall to avoid the condition of a fire to stretch to the valve room, other equipment in the protection valve room.

Description

Oil-water collection assembly and fire-fighting system

Technical Field

The utility model relates to an extra-high voltage convertor station fire safety technical field especially relates to an profit collection subassembly and fire extinguishing system.

Background

The high-voltage direct-current transmission system mainly comprises a transmitting end alternating-current system, a rectifying station, a direct-current transmission line, an inversion station and a receiving end alternating-current system, wherein the most important is the convertor station, and a converter valve hall of the convertor station is the important factor of the whole direct-current transmission system, so that the functions of alternating current to direct current and direct current to alternating current are realized, which is equivalent to the heart of direct-current transmission, and the reliable operation of equipment in the converter valve hall is especially important for the direct-current transmission system.

The extra-high voltage converter transformer mainly adopts an arrangement mode that a valve side sleeve is inserted into a valve hall, and the valve hall needs to be plugged in the insertion position of the sleeve. As the converter transformer has high voltage level, large oil storage capacity, high operating temperature and high fire risk and harm, once a fire occurs, the valve hall plugging part is used as a key part for connecting the valve hall and the converter transformer and is also a key part for easily causing the fire. On one hand, the plugging position of the wall bushing is easily broken through when an external transformer is in a fire disaster, transformer oil flows into a valve hall to cause flowing fire, and meanwhile, external smoke spreads and radiant heat rushes in. On the other hand, transformer oil (mainly playing an insulating role) is contained in the wall bushing penetrating through the firewall of the valve hall, the wall bushing is easy to ignite due to a fire of a transformer or the bushing fires due to self faults, the transformer oil in the wall bushing falls on the ground of the valve hall to cause flowing fire, and therefore fire protection on the plugging penetrating part (the part of the wall bushing entering the valve hall) on the inner side of the valve hall is enhanced, and important significance is achieved for preventing fire spreading and expanding and improving the fire protection level of the valve hall.

The invention patent application with the publication number of CN111346323A discloses a fire protection system for a valve side sleeve of an extra-high voltage converter transformer and a using method thereof, and discloses a scheme for carrying out fire protection treatment on the inner side of a valve hall through a compressed air foam spraying system and an oil collection pit. However, according to the scheme, the oil collecting pit needs to be arranged on the ground, close to the firewall, on the inner side of the valve hall, and cobblestones are filled in the oil collecting pit, so that an operator cannot directly pass through the inner side of the valve hall, daily overhauling and maintenance operations cannot be performed, and much inconvenience is caused in use. In addition, although the compressed air foam can be sprayed for fire treatment, the spraying direction is fixed, rapid treatment cannot be performed on specific positions, the fire suppression effect is poor, effective treatment cannot be timely performed when the fire is serious, and certain potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an oily water collecting component and fire extinguishing system that do not influence valve room maintenance is provided.

The utility model discloses a solve above-mentioned technical problem through following technical scheme: the utility model provides an oil water collecting assembly, is including setting up in the inboard oil collection hole of valve room and the built on stilts cobble layer that sets up in oil collection hole top, and cobble layer top is separated for the blowby area and coverage area through closed apron, the coverage area of closed apron is the coverage area, the blowby area sets up in being close to and prevents hot wall one side, closed apron can rise the separation and prevent hot wall and valve room between inboard.

The utility model discloses a set up the profit collection subassembly on the ground of valve room inboard, can collect the transformer oil who leaks and the medium such as water, foam that is used for fire control when taking place the condition of a fire, through set up the partial region that the oil collection hole is sealed to the sealed cover plate above the cobblestone layer, the staff can directly walk on the sealed cover plate, thereby can conveniently inspect and maintain at ordinary times, can not influence normal maintenance operation because of the oil collection hole; when taking place the condition of a fire, transformer oil can enter into the oil collecting pit through the blowby area fast to can lift up through closing the apron, form the back-fire relief wall that the separation intensity of a fire stretchs between the ignition region that is close to the firewall and valve room region, thereby avoid the condition of a fire to stretch to the valve room, other equipment in the protection valve room.

Preferably, the bottom of the oil collecting pit is provided with a guide outlet, a supporting net rack is arranged in the oil collecting pit in an overhead mode, and the cobble layer is stacked on the supporting net rack.

Preferably, a first grid cover plate is arranged on the leakage area.

Preferably, the side that hot wall was kept away from in the oil collecting pit is provided with the second grid apron that is in the support network frame top, the edge of second grid apron is through the baffle that sets up along vertical direction and cobblestone stack region and separate, and the top of second grid apron is articulated to be provided with flexible subassembly, flexible subassembly is connected with the lower surface of closing the apron is articulated, the edge of closing the apron is articulated to cooperate with first grid apron.

Preferably, two sides of the lower surface of the closed cover plate are respectively hinged with a self-telescopic hydraulic rod.

The invention also provides a fire-fighting system comprising the oil-water collecting assembly, and further comprises a smoke-blocking heat-insulating cooling assembly and a fire suppression assembly, wherein the fire suppression assembly comprises a release tail end fixed above a firewall and a first medium supply unit connected with the release tail end, and the release direction of the release tail end is adjustable; the smoke-blocking heat-insulating cooling assembly comprises a spray pipe arranged on the fire wall and a second medium supply unit connected with the spray pipe, wherein a plurality of spray holes are formed in the surface of the spray pipe along the length direction, and the spray holes at least cover the root position of the wall-penetrating sleeve.

Preferably, a plurality of wall bushing is arranged on the firewall in a penetrating manner, a spraying pipe is arranged above each wall bushing, two release tail ends are arranged on two sides of each wall bushing, and one release tail end is shared between every two adjacent wall bushings.

Preferably, the first medium supply unit comprises a first flow divider, the first flow divider is connected in parallel with the plurality of release terminals through a pipeline, and the first flow divider is further connected with a first inert gas source, a first emergency fire fighting system interface and a fire extinguishing agent storage tank through pipelines respectively; valves are arranged on the pipelines connected with the first flow divider;

the second medium supply unit comprises a second flow divider, the second flow divider is respectively connected with the plurality of spray pipes in parallel through pipelines, the second flow divider is also connected with a second inert gas source, a second emergency fire-fighting system interface and a water storage tank through pipelines, and a fire pump and a filter are arranged between the water storage tank and the second flow divider; and valves are arranged on the pipelines connected with the second flow divider.

Preferably, the release tail end comprises an installation pipe and a communicating pipe which is coaxial with the installation pipe, the installation pipe is fixedly provided with an installation plate, the communicating pipe is rotatably arranged on the installation plate and communicated with the installation pipe, the installation plate is provided with a first motor, and the first motor can drive the communicating pipe to rotate along the axial direction;

the end of communicating pipe is provided with the release pipe, release pipe and communicating pipe normal running fit, the pivot of release pipe is perpendicular with communicating pipe, is provided with on communicating pipe with release pipe transmission complex second motor.

Preferably, a fire detection assembly is further arranged above the wall bushing position, and a flame fire detector and an infrared fire detector are arranged above each wall bushing position of the fire detection assembly.

The utility model provides an profit collection subassembly and fire extinguishing system's advantage lies in: the oil-water collecting assembly is arranged on the ground on the inner side of the valve hall, so that leaked transformer oil, water for fire fighting, foam and other media can be collected when a fire occurs, and a part of area of the oil collecting pit is sealed by the sealing cover plate arranged above the cobblestone layer, so that a worker can directly walk on the sealing cover plate, inspection and maintenance can be conveniently carried out at ordinary times, and normal overhauling operation cannot be influenced by the oil collecting pit; when taking place the condition of a fire, transformer oil can enter into the oil collecting pit through the blowby area fast to can lift up through closing the apron, form the back-fire relief wall that the separation intensity of a fire stretchs between the area of catching fire that is close to firewall and valve room region, thereby avoid the condition of a fire to stretch to the valve room, other equipment in the protection valve room. The conflagration restraines the subassembly and can put out a fire to wall bushing release fire control medium, and the very first time control intensity of a fire can be cooled down the processing to preventing hot wall through hindering the thermal-insulated cooling subassembly of cigarette, and the safety of hot wall is prevented in the guarantee, protection valve room structure.

Drawings

Fig. 1 is a schematic view of a position of an oil-water collecting assembly in a valve hall according to embodiment 1 of the present invention;

fig. 2 is a schematic view of an oil-water collecting assembly provided in embodiment 1 of the present invention;

fig. 3 is a schematic view of a sealing cover plate of the oil-water collecting assembly provided in embodiment 1 of the present invention;

fig. 4 is a schematic view of a fire fighting system provided in embodiment 2 of the present invention;

fig. 5 is a schematic view of a smoke-blocking, heat-insulating, and temperature-reducing component and a fire suppression component of a fire protection system according to embodiment 2 of the present invention;

fig. 6 is a schematic view of a discharge end of a fire fighting system provided in embodiment 2 of the present invention;

fig. 7 is a schematic view of a method for using a fire fighting system according to embodiment 3 of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention are described below in detail and completely with reference to the accompanying drawings, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

Example 1

As shown in fig. 1, the present embodiment provides a collecting assembly 1, which is disposed on the ground inside a valve hall near a firewall 6; referring to fig. 2, the oil-water collecting assembly 1 comprises an oil collecting pit 1-9 arranged on the inner side of the valve hall and a cobble layer 1-1 arranged above the oil collecting pit 1-9 in an overhead manner, the upper side of the cobble layer 1-1 is divided into a leakage area and a coverage area by a closed cover plate 1-3 times, the coverage area of the closed cover plate 1-3 is the coverage area, the leakage area is arranged on one side close to a firewall 6, and the closed cover plate 1-3 can be lifted and blocked between the firewall 6 and the inner side of the valve hall.

In the embodiment, the oil-water collecting assembly 1 is arranged on the ground at the inner side of the valve hall, so that leaked transformer oil and fire-fighting water, foam and other media can be collected when a fire occurs, the part of the area of the oil collecting pit 1-9 is sealed by the sealing cover plate 1-3 arranged above the cobble layer 1-1, and workers can directly walk on the sealing cover plate 1-3, so that the inspection and maintenance can be conveniently carried out at ordinary times, and the normal maintenance operation cannot be influenced by the oil collecting pit 1-9; when a fire occurs, the transformer oil can quickly enter the oil collecting pits 1-9 through the leakage areas, and can form a fire retardant wall for blocking the spread of the fire between the fire area close to the firewall 6 and the valve hall area by lifting the sealing cover plates 1-3, so that the fire is prevented from spreading to the valve hall, and other equipment in the valve hall is protected.

Specifically, the bottom of the oil collection pit 1-9 is provided with a guide and discharge port 1-6, a support net rack 1-7 is arranged in the oil collection pit 1-9 in a hollow mode, a cobble layer 1-1 is stacked on the support net rack 1-7, and a first grid cover plate 1-2 is arranged in a leakage area above the cobble layer 1-1.

The side face, away from the firewall 6, of the oil collection pit 1-9 is provided with a second grating cover plate 1-5 above the support net rack 1-7, the edge of the second grating cover plate 1-5 is separated from the stacking area of the cobble layer 1-1 through a baffle (not shown) arranged in the vertical direction, and cobbles are filled in the area between the second grating partition plate 1-5 and the support net rack 1-7.

Referring to fig. 3, the closed cover plate 1-3 is hinged and fixed above the oil collecting pit 1-9, in this embodiment, the edge of the closed cover plate 1-3 is hinged and matched with the first grating cover plate 1-2, the telescopic component 1-4 is hinged and arranged above the second grating cover plate 1-5, the telescopic component 1-4 is hinged and connected with the lower surface of the closed cover plate 1-3, and the telescopic component 1-4 can drive the closed cover plate 1-3 to be lifted and opened when extending out, so that transformer oil, fire water, fire-fighting media and the like can rapidly enter the oil collecting pit 1-9, and the bottom of the oil collecting pit 1-9 guides liquid to the guide drain port 1-6 through setting an inclination angle. Two sides of the lower surface of the sealing cover plate 1-3 are respectively hinged with a self-telescopic hydraulic rod 1-8, so that the sealing cover plate 1-3 can be prevented from falling down suddenly, the use safety is guaranteed, the telescopic assembly 1-4 can select an air cylinder, a hydraulic cylinder and other equipment, and the self-telescopic hydraulic rod 1-8 can also be replaced by a pneumatic rod.

Under the condition that is provided with oil water collection component 1, can also set up other fire control facilities simultaneously and carry out fire control operation, for example fire monitor, fire water spraying system etc..

Example 2

With reference to fig. 4 and 5, the embodiment further provides a fire fighting system comprising the oil-water collecting assembly 1, the fire fighting system further comprises a smoke-blocking, heat-insulating and temperature-reducing assembly 2 and a fire suppression assembly 3, the fire suppression assembly 3 comprises a release terminal 3-1 fixed above a fire wall 6 and a first medium supply unit (not shown) connected with the release terminal 3-1, and the release direction of the release terminal 3-1 is adjustable; the smoke-blocking heat-insulating cooling component 2 comprises a spray pipe 2-1 arranged on the fire-proof wall 6 and a second medium supply unit (not shown) connected with the spray pipe 2-1, wherein a plurality of spray holes (not shown) are formed in the surface of the spray pipe 2-1 along the length direction, and the spray holes at least cover the root position of the wall-penetrating sleeve 5.

This implementation is through hindering cigarette thermal-insulated cooling subassembly 2 to preventing that hot wall 6 from cooling down and handling, prevents to prevent that hot wall 6 from receiving high temperature to influence to damage when taking place the condition of a fire, and then protection wall bushing 5, the release direction of subassembly 3 is suppressed in the conflagration is adjustable to can cover wall bushing 5 according to the position adjustment release direction that catches fire, improve the security.

When the system works specifically, if a fire occurs at a valve hall plugging position or a valve side sleeve, the system gives the position of a fire area and immediately starts the oil-water collecting component 1, the smoke-blocking heat-insulating cooling component 2 and the fire suppression component 3 which are arranged in the corresponding area, the oil-water collecting component 1 quickly responds to and collects the converter transformer oil which flows in to suppress flowing fire and prevent the fire from spreading; the smoke-resistant, heat-insulating and cooling component 2 is sprayed in front, middle and back directions at multiple angles towards the direction of a firewall, so that the inner side wall body and the plugging part of the valve hall are cooled, the radiant heat and the smoke are prevented from spreading, the structural stability of the main body of the wall body of the valve hall is protected, and the fire disaster of the converter transformer is prevented from spreading to the converter transformer or spreading to the interior of the valve hall; the fire suppression assembly 3 can put out a fire to the accurate release high boiling point in wall bushing position, excellent electric insulation performance, high-efficient clean fire extinguishing agent, and the first time control intensity of a fire prevents to appear trickling fire and the hot condition of fire of high temperature oil, if in case the intensity of a fire is out of control, hinder the thermal-insulated cooling subassembly 2 of cigarette, fire suppression assembly 3 all is equipped with emergent fire extinguishing systems interface, inserts it into outside rescue facility compressed air foam fire extinguishing systems and continues to put out a fire, realizes long-range emergent fire suppression, prevents the situation of a fire from expanding, promotes the fire protection level of special high voltage converter station valve room.

Referring to fig. 5, a plurality of wall bushing 5 penetrate through the firewall 6, the oil-water collecting assembly 1 is arranged below each wall bushing 5, a shower pipe 2-1 is arranged above each wall bushing 5, two release ends 3-1 are arranged on two sides of each wall bushing 5, and one release end 3-1 is shared between adjacent wall bushings 5, so that at least two release ends 3-1 can participate in fire fighting operation when a fire occurs in any position.

The first medium supply unit comprises a first flow divider 3-4, the first flow divider 3-4 is connected with a plurality of release tail ends 3-1 in parallel through pipelines, and the first flow divider 3-4 is also connected with a first inert gas source 3-3, a first emergency fire-fighting system interface 3-4 and a fire extinguishing agent storage tank 3-6 through pipelines respectively; and the pipelines connected with the first flow splitters 3-4 are provided with valves.

The second medium supply unit comprises a second flow divider 2-3, the second flow divider 2-3 is respectively connected with a plurality of spray pipes 2-1 in parallel through pipelines, the second flow divider 2-3 is further connected with a second inert gas source 2-5, a second emergency fire-fighting system interface 2-4 and a water storage tank 2-8 through pipelines, and a fire pump 2-7 and a filter 2-6 are further arranged between the water storage tank 2-8 and the second flow divider 2-3; and the pipelines connected with the second flow splitters 2-3 are provided with valves.

The first inert gas source 3-3 is a gas cylinder for storing inert gas, the first emergency fire-fighting system interface 3-4 can provide compressed air foam for the first flow divider 2-5, and the fire-extinguishing agent storage tank 3-6 is stored with an insulating fire-fighting medium, such as perfluorohexanone. When a fire occurs, the pipeline where the corresponding release tail end 3-1 is located can be controlled to be communicated according to the specific position of the accident, inert gas, compressed air foam or fire-fighting medium is provided for the release tail end 3-1 through the first flow divider 3-4, generally, the release tail end 3-1 is used for fire extinguishment by default through insulating fire-fighting medium, and the fire can be restrained through the inert gas; under the condition that the condition of a fire further spreads and enlarges, the safety of other equipment inside the valve hall is ensured by switching and using compressed air foam to extinguish the fire rapidly through manual regulation and control.

In this embodiment, the spraying pipes 2-1 are respectively sprayed at multiple angles towards the front, middle and back directions of the firewall 6 to cool the wall body and the plugging part inside the valve hall, prevent radiant heat and smoke from spreading, protect the structural stability of the main body of the wall body of the valve hall, and prevent a fire from spreading to the converter transformer or a fire of the converter transformer from spreading into the valve hall.

The releasing direction of the releasing tail end 3-1 is adjustable, specifically, referring to fig. 6, the releasing tail end 3-1 includes an installation pipe 3-2 and a communicating pipe 3-13 coaxially arranged with the installation pipe 3-2, the installation pipe 3-2 is fixedly provided with an installation plate 3-12, the communicating pipe 3-23 is rotatably arranged on the installation plate 3-12 and communicated with the installation pipe 3-2, the installation plate 3-12 is provided with a first motor 3-8, and the first motor 3-8 can drive the communicating pipe 3-13 to axially rotate, in this embodiment, the first motor 3-8 is in transmission fit with the communicating pipe 3-13 through a gear structure. Furthermore, the tail end of the communicating pipe 3-13 is also provided with a releasing pipe 3-10, the releasing pipe 3-10 is in rotating fit with the communicating pipe 3-13, the rotating shaft of the releasing pipe 3-10 is axially vertical to the communicating pipe 3-13, a second motor 3-9 in transmission fit with the releasing pipe 3-10 is arranged on the communicating pipe 3-13, and the second motor 3-9 is in transmission fit with the releasing pipe through a gear structure to drive the releasing pipe 3-10 to rotate relative to the rotating shaft to adjust the angle. The second motor 3-9 drives the release pipe 3-10 to adjust the swing angle relative to the vertical direction, and the first motor 3-8 drives the communicating pipe 3-13 to rotate to adjust the orientation of the release pipe 3-10, so that the coverage range of the release tail end 3-1 is enlarged, and the fire fighting requirements of different positions are met.

In the process of system installation and debugging, the relation between the rotating positions of the first motor 3-8 and the second motor 3-9 and the releasing direction of the releasing tail end 3-1 can be recorded through an absolute value encoder or the number of motor pulses, so that in the subsequent fire-fighting operation process, if the specific situation of a site cannot be checked, the releasing tail end 3-1 can be controlled to be aligned to the root, the middle position and the end of the preset wall-penetrating casing 5 to release fire-fighting media based on the data recorded in the early stage.

Referring to fig. 4 again, fire extinguishing system still includes fire detection subassembly 9, fire detection subassembly 9 is provided with flame fire detector and infrared fire detector respectively above the through-wall position of every through-wall sleeve pipe 5, through flame fire detector and infrared fire detector, carry out fire detection respectively, in time discover the condition of a fire, when there is the condition of a fire, the detector position that the discovery of fire detection subassembly 9 record was acquireed, and feed back to fire extinguishing system, fire extinguishing system is according to predetermined rule, control profit collection subassembly 1, fire suppression subassembly 3 and the thermal-insulated cooling subassembly 2 of hindering cigarette carry out work respectively and accomplish the fire control and put out a fire, the safety of guarantee sleeve pipe through-wall position. The fire detection assembly 9 can also be connected with an audible and visual alarm to send alarm information in time.

Because the fire condition of the inner side of the valve hall is generally caused by flowing fire caused by bursting of the sleeve on the valve side, the fire condition generally appears in the area where the sleeve wall penetrating position is located, and the flame fire detector and the infrared fire detector used in the implementation face the root of the wall penetrating sleeve 5 at the monitored position, so that the detector is prevented from giving false alarm due to the fire condition of other positions, the accuracy of alarm information is ensured, and the ignition position can be directly determined.

The thermal-insulated cooling subassembly 2 of hindering cigarette and conflagration that this embodiment provided can release fire water respectively with conflagration suppression subassembly 3, the compressed air foam, inert gas, different fire control media such as fire control gas, the fire control media that can freely select to use according to the condition of a fire at concrete during operation, because the nondeterminacy factor of conflagration is more, in order to ensure safety, hinder thermal-insulated cooling subassembly 2 of cigarette and 3 equipartitions of conflagration suppression subassembly and put and carry out long-range fire extinguishing in the position that does not receive the conflagration influence, and all be provided with emergent fire extinguishing system interface, can communicate with compressed air foam generating device and carry the compressed air foam and carry out emergent suppression of fire.

An exemplary illustration of this embodiment is as follows: when detecting the condition of a fire, hinder the cooling of the first time of the thermal-insulated cooling subassembly 2 of cigarette to preventing hot wall 6 water spray cooling, the fire restraines subassembly 3 and then releases insulating fire control medium to the condition of a fire position, like perfluor hexanone etc.. Under the condition that the condition of a fire further spreads and enlarges, the smoke-resistant heat-insulating cooling component 2 and the fire suppression component 3 are connected into an external compressed air foam fire extinguishing system to continuously extinguish fire, so that remote emergency fire extinguishing is realized, the condition of a fire is prevented from enlarging, and the fire protection level of a valve hall of the extra-high voltage converter station is improved.

Example 3

Referring to fig. 7, the fire fighting system provided by this embodiment is used as follows,

s1: arranging an oil-water collecting component 1, a smoke-resistant heat-insulating cooling component 2, a fire suppression component 3 and a fire detection component 9 on the ground and the fireproof wall on the inner side of the valve hall, connecting the components with a control center in a communication manner, and connecting the control center with an original infrared detector, a flame detector and a smoke detector in the valve hall in a communication manner;

s2: the installation positions of M wall bushing 5 on a firewall 6 are numbered sequentially from 1 to M, and meanwhile, a spray pipe 2-1, a release tail end 3-1, an oil-water collecting component 1, a flame fire detector and an infrared fire detector are numbered sequentially, wherein the number range of the release tail end 3-1 is 1-M +1;

s3: when any position of No. 1-M in the fire detection assembly 9 sends out a fire alarm signal and at least two of the original infrared detector, the flame detector and the smoke detector at the inner side of the valve hall send out alarm signals, the control center judges that a fire condition exists in the area position of the serial number X;

in order to ensure accurate alarm information, the fire detection is carried out by combining the original detection systems on the inner side of the valve hall, only when at least two of the original detection systems on the inner side of the valve hall send fire signals, the fire condition on the inner side of the valve hall can be determined, and the fire position is determined by combining the alarm signals of the fire detection assembly 9; when there are a plurality of alarm positions in the fire detection module 9, fire fighting work is performed simultaneously for a plurality of positions. When the fire detection assembly 9 sends out an alarm signal and the original detection system of the valve hall does not detect a fire, the fire detection assembly can manually recheck to determine whether the fire exists or not, and manually issue instructions to control each assembly to carry out fire fighting operation.

S4: the control center sends out a control command, and the rule is as follows,

if the area number X =1, starting the spray pipes No. X and X +1 and the closed cover plates No. 1-3, and the release tail ends No. X, X +1 3-1;

if the area number is X = M, starting the spray pipes 2-1 and the closed cover plates 1-3 of the number X, X-1 and the release tail end 3-1 of the number X, X +1;

if the area numbers 1 are made of the cloth-type X are made of the cloth-type M, starting the spray pipes 2-1 of the number X-1, X, X +1 and the closed cover plates 1-3, and the release ends 3-1 of the number X, X +1;

in the embodiment, after the fire situation position is determined, the oil-water collecting assembly 1 and the spray pipe 2-1 on the two sides of the position are started to work so as to collect transformer oil, fire water and other media in time, and the safety of a firewall structure is guaranteed by cooling the firewall 6; the fire extinguishing work mainly depends on the releasing ends 3-1 at the two sides of the fire position to carry out accurate operation;

the second medium supply unit provides fire water to the spray pipe by default, and the spray pipe 2-1 sprays the fire water to the root parts of the firewall 6 and the wall bushing 5 to cool the firewall 6 so as to prevent the firewall 6 from being damaged by high temperature; the first medium supply unit supplies an insulating fire-fighting medium to the discharge end 3-1 by default;

the discharge tip 3-1 sprays the fire-fighting medium toward the location of the flame if the flame fire detector is able to detect a flame signal, and reciprocates to discharge the fire-fighting medium to the root, middle and top regions of the through-wall casing 5 if the flame fire detector is shielded by smoke.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (10)

1. The utility model provides an assembly is collected to profit, is including setting up in the inboard oil collection hole of valve room and the built on stilts cobble layer that sets up in oil collection hole top, its characterized in that: the upper portion of the cobble layer is divided into a leakage area and a coverage area through a closed cover plate, the coverage area of the closed cover plate is the coverage area, the leakage area is arranged on one side close to the firewall, and the closed cover plate can be lifted and blocked between the firewall and the inner side of the valve hall.

2. The fuel water collection assembly of claim 1, further comprising: the oil collecting pit is characterized in that a guide and discharge port is formed in the bottom of the oil collecting pit, a supporting net rack is arranged in the oil collecting pit in an overhead mode, and the cobble layer is stacked on the supporting net rack.

3. The fuel water collection assembly of claim 1, further comprising: and a first grid cover plate is arranged on the leakage area.

4. The fuel water collection assembly of claim 3, further comprising: the side that prevents hot wall was kept away from in oil collection pit is provided with the second grid apron that is in the support rack top, the edge of second grid apron is through the baffle that sets up along vertical direction and the cobblestone region of piling up separate, and the top of second grid apron is articulated to be provided with flexible subassembly, flexible subassembly is connected with the lower surface of closing the apron is articulated, the edge of closing the apron is articulated to cooperate with first grid apron.

5. The fuel water collection assembly of claim 4, wherein: and two sides of the lower surface of the closed cover plate are respectively hinged with a self-telescopic hydraulic rod.

6. A fire fighting system employing the oil and water collection assembly of any one of claims 1-5, wherein: the fire suppression device comprises a fire wall, a smoke-blocking heat-insulating cooling component and a fire suppression component, wherein the fire suppression component comprises a release tail end fixed above the fire wall and a first medium supply unit connected with the release tail end, and the release direction of the release tail end is adjustable; the smoke-blocking heat-insulating cooling assembly comprises a spray pipe arranged on the fire wall and a second medium supply unit connected with the spray pipe, wherein a plurality of spray holes are formed in the surface of the spray pipe along the length direction, and the spray holes at least cover the root position of the wall-penetrating sleeve.

7. A fire fighting system as defined in claim 6, wherein: the fire wall is provided with a plurality of wall bushing, a spray pipe is arranged above each wall bushing, two releasing ends are arranged on two sides of each wall bushing, and the adjacent wall bushings share one releasing end.

8. A fire fighting system as defined in claim 7, wherein: the first medium supply unit comprises a first flow divider, the first flow divider is connected with the plurality of releasing tail ends in parallel through pipelines, and the first flow divider is also connected with a first inert gas source, a first emergency fire-fighting system interface and a fire extinguishing agent storage tank through pipelines respectively; valves are arranged on the pipelines connected with the first flow divider;

the second medium supply unit comprises a second flow divider, the second flow divider is respectively connected with the plurality of spray pipes in parallel through pipelines, the second flow divider is also connected with a second inert gas source, a second emergency fire-fighting system interface and a water storage tank through pipelines, and a fire pump and a filter are arranged between the water storage tank and the second flow divider; and valves are arranged on the pipelines connected with the second flow divider.

9. A fire fighting system as defined in claim 6, wherein: the releasing tail end comprises an installation pipe and a communicating pipe which is coaxial with the installation pipe, an installation plate is fixedly arranged on the installation pipe, the communicating pipe is rotatably arranged on the installation plate and communicated with the installation pipe, a first motor is arranged on the installation plate, and the communicating pipe can be driven by the first motor to rotate along the axial direction;

the end of communicating pipe is provided with the release pipe, release pipe and communicating pipe normal running fit, the pivot of release pipe is perpendicular with communicating pipe, is provided with on communicating pipe with release pipe transmission complex second motor.

10. A fire fighting system as defined in claim 8, wherein: and a fire detection assembly is also arranged above the position of the wall bushing, and a flame fire detector and an infrared fire detector are arranged above each wall bushing position of the fire detection assembly.

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