CN117462874A - Rapid fire-fighting disposal system and method for building charging berth fire disaster - Google Patents
Rapid fire-fighting disposal system and method for building charging berth fire disaster Download PDFInfo
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- CN117462874A CN117462874A CN202311186188.9A CN202311186188A CN117462874A CN 117462874 A CN117462874 A CN 117462874A CN 202311186188 A CN202311186188 A CN 202311186188A CN 117462874 A CN117462874 A CN 117462874A
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- berth
- water
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 239000006260 foam Substances 0.000 claims abstract description 61
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 33
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 33
- 238000005507 spraying Methods 0.000 claims abstract description 19
- 239000007921 spray Substances 0.000 claims description 31
- 239000007788 liquid Substances 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 10
- 206010000369 Accident Diseases 0.000 claims description 7
- 238000011161 development Methods 0.000 claims description 7
- 238000005187 foaming Methods 0.000 claims description 5
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 4
- 239000004917 carbon fiber Substances 0.000 claims description 4
- 238000009792 diffusion process Methods 0.000 claims description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 239000002826 coolant Substances 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 2
- 230000001629 suppression Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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
- A62C3/002—Fire prevention, containment or extinguishing specially adapted for particular objects or places for warehouses, storage areas or other installations for storing goods
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C2/00—Fire prevention or containment
- A62C2/06—Physical fire-barriers
-
- 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
- A62C3/07—Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles
-
- 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
- A62C5/002—Apparatus for mixing extinguishants with water
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Operations Research (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention belongs to the technical field of fire safety, and discloses a rapid fire-fighting disposal system and a rapid fire-fighting disposal method for a charged berth of a building. The system and the method for rapidly disposing the fire disaster in the charging berth of the building comprise a unit type foam-water fire safety emergency device, a narrow space bottom spraying pipe network component, a fire extinguishing cofferdam and a foam pipe hooking component. The rapid fire-fighting disposal system and method for the building charging berth fire solve the three problems existing in the existing building charging berth fire-fighting rescue technology: the fire disaster dangerous condition response speed of the indoor parking space fire control top spraying system is low, the chassis lithium battery pack fire disaster source cannot be directly hit at the first time, and the fire control and suppression efficiency is low; the water resource consumption is large due to the influence of the space position of the lithium battery pack during external fire rescue, and the long-acting anti-afterburning advantage cannot be established; and the design of a plurality of rows of bottom spraying nozzles has large workload of parking space reconstruction, the construction of fire-fighting facilities is difficult to meet the berthing habit of vehicles, and the environmental applicability of the system engineering is poor.
Description
Technical Field
The invention relates to the technical field of fire safety, in particular to a rapid fire-fighting disposal system and method for a charged berth of a building.
Background
Lithium battery pack carried by pure electric new energy passenger car is usually arranged at vehicle chassis, and the plane size is more than or equal to 2.5m 2 The ground clearance is about 120mm to 150mm, and the thermal runaway is an important cause for causing the fire accident of the new energy automobile and is generally expressed in the forms of mechanical abuse and electric abuse. When a disaster accident caused by thermal runaway occurs to the lithium battery pack, a large amount of water medium is applied for a long time by a conventional indoor fixed fire top spraying system and an external fire department rescue mode at the present stage so as to eliminate the fire behavior for continuous cooling treatment.
The conventional indoor fixed fire-fighting top-spraying system takes the temperature-sensing glass ball as a starting element, a new energy automobile fire source is positioned at a vehicle chassis, the combustion heat value of the lithium battery pack is difficult to quickly establish and break through the explosion limit value of the temperature-sensing glass ball under the influence of the vehicle body structure, the efficiency of directly striking the fire source by the water medium is weakened, and the trend of fire development and spread is aggravated.
After the external fire department catches up to the scene of fire, adopt fire gun water spray operation, sometimes lithium battery package burning flame can destroy the integrality of tire, leads to lithium battery package direct subsides ground to continue burning propagation, and the fire fighter can only a large amount of consumption water resource in order to reduce the intensity of a fire, and the condition that lithium battery package still has the afterburning after most new energy automobile fire cases confirm that open flame put out takes place.
Because of the size and space limitation of the lithium battery pack, the current diversion device adopting more than 20 rows of spray heads moves to the bottom of a vehicle to spray water for protection of the lithium battery pack, but the problems of fire control and extinguishment requirements of the vehicle in a parking space at the first time and protection of the vehicle after the vehicle is stuck to the ground still cannot be effectively solved.
Disclosure of Invention
The invention aims to provide a rapid fire-fighting disposal system and a rapid fire-fighting disposal method for a building charging berth, which are used for improving the fire-fighting automatic response control efficiency of sudden disasters of vehicles in a parking space and suppressing the fire transmission spreading rate at the first time, establishing a plugging structure to continuously consume the energy retained by a thermal runaway lithium battery pack to prevent the occurrence of a post-combustion phenomenon, and optimizing and improving the traditional fire-fighting rescue mode of new energy automobile fires in berth scenes and running environments.
In order to achieve the above purpose, the invention is realized by the following technical scheme: a rapid fire-fighting disposal system for a building charging berth comprises a unit foam-water fire-fighting safety emergency device, a narrow space bottom spraying pipe network assembly, a fire-fighting cofferdam and a foam pipe hooking assembly.
The water inlet of the unit foam-water fire safety emergency device is communicated with an indoor/outdoor fire pipe network or a fire truck water supply system, and the liquid outlet can be respectively connected with a bottom spraying pipe network component and a foam hook pipe component.
The fire-fighting cofferdam consists of a folding fireproof plate, a high-temperature-resistant sealing ring and a magnetic remote control trolley.
Preferably, a fire-fighting water booster pump, a foam pump group and a high-pressure carbon fiber gas cylinder are arranged in the unit foam-water fire-fighting safety emergency device;
the unit type foam-water fire safety emergency device has three working modes of pure water, compressed air foam and conventional foam, and can be automatically switched according to the on-site fire hazard degree and the rescue scheme.
Preferably, the narrow space bottom spray pipe net component is divided into a fixed type and a movable type, wherein the fixed type is used for a berth scene, and the movable type is used for thermal runaway when a vehicle runs;
preferably, the narrow space bottom spray pipe network assembly comprises a single-row medium flow pipe network and a plurality of jacking cyclone spray heads.
Preferably, the specification of the single-row medium flow pipe network is DN25 to DN40, the jacking rotational flow type spray head can freely and rapidly rotate under the action of medium flow, the maximum working pressure is 0.2MPa, the diffusion angle of a solid cone of the medium flow is 150-160 DEG, the vertical clearance between the upper surface of the spray head and the bottom surface of a lithium battery pack is 80-100 mm when the spray head is in a working position, and the surface of the lithium battery pack of a pure electric new energy passenger car can be completely covered and protected by arranging 3 spray heads at most
Preferably, the folding fireproof plate can be stored in a daily way, is directly unfolded when in use, is resistant to flame at 1000 ℃ and is directly burned for 20 minutes, and the structural strength meets the pressure requirement of the wall surface of the liquid storage height;
the high-temperature-resistant sealing ring is arranged at the bottom of the folding fireproof plate in a direct-inserting manner, so that a relative sealing environment can be formed on the ground, and the loss rate of media is reduced;
the magnetic remote control trolley can be attached to the surface of the fireproof plate, the manual remote control drives the fireproof plate to walk around the vehicle for laying, and after the fireproof plate is closed, the remote control trolley is demagnetized and returns.
Preferably, the foam hook pipe assembly consists of a foam hook pipe and a frame, wherein an inlet of the foam hook pipe is connected with a liquid outlet of a foam fire truck or a liquid outlet of a unit foam-water fire safety emergency device, and an outlet of the foam hook pipe extends into a fire-fighting cofferdam;
the flow rate of foam medium of the foam hook pipe assembly is 10L/s to 16L/s, the foaming multiple is 20 times to 40 times, and the released foam medium can be rapidly accumulated in the cofferdam to submerge the lithium battery pack for a long time in thermal runaway of the vehicle chassis.
A rapid fire-fighting disposal method for a charged berth of a building, the disposal method comprising:
s1, for berthing places where new energy vehicles are parked in a concentrated mode, each berthing place is provided with a set of fixed bottom spray pipe net components independently, and a protective area where the new energy vehicles are parked in a concentrated mode is provided with a set of unit foam-water fire safety emergency device;
s2, when the unit type foam-water fire safety emergency device receives an external fire source starting signal, the system switches an accident vehicle into a compressed air foam working mode so as to quickly press the development of fire, if front-end fire sensing equipment or artificial observation lithium battery pack open fire is extinguished, the adjustable system switches to a pure water working mode to continue cooling protection;
when the unit foam-water fire safety emergency device receives an external fire source starting signal, the system switches a vehicle (if any) near a berth area of an accident vehicle into a pure water working mode, and blocks fire behavior to prevent spread of fire;
s3, after the firefighters receive the alarm and catch up to the fire scene, the firefighting cofferdam can be operated to carry out blocking treatment on the accident vehicle, the device is used for rapidly filling foam fire extinguishing cooling medium into the cofferdam through a foam hook pipe assembly to submerge a lithium battery pack, and meanwhile, an outlet valve of a bottom spray pipe net assembly of the device is closed;
for the thermal runaway generated when the new energy vehicle runs, after the firefighter receives an alarm and catches up with the fire scene, the firefighter can select the movable bottom spraying pipe network assembly or the firefighting cofferdam to implement the fire extinguishing and cooling operation according to the scene fire accident development condition.
By adopting the technical scheme, the invention has the beneficial effects that:
1. according to the rapid fire-fighting disposal system and method for the building charging berth fire disaster, the fire-fighting automatic response control efficiency of sudden disasters of vehicles in parking spaces can be improved, the fire transmission spreading rate can be suppressed at the first time, the energy retained by the lithium battery pack for continuously consuming thermal runaway of the plugging structure can be built to prevent the occurrence of the post-combustion phenomenon, and the traditional fire-fighting rescue mode of new energy automobile fire disasters in berth scenes and running environments is optimized and promoted.
2. The invention provides a rapid fire-fighting disposal technical method for a fire accident of a charging berth of a building, and the rapid fire-fighting disposal technical method for a fire accident of the charging berth of the building is provided with three working modes, and the unit foam-water fire-fighting safety emergency device designed by the invention can synchronously act and can be automatically switched to match different release terminals and fire-extinguishing cooling requirements.
3. According to the system and the method for rapidly disposing the fire disaster in the charging berth of the building, the designed bottom spray pipe net component adopts a single-row pipe net structure arrangement form, so that the engineering quantity of scene reconstruction of the berth of the vehicle is reduced, and the system and the method are more in line with the use habit of the berth of the vehicle.
4. According to the rapid fire-fighting disposal system and method for the building charging berth fire, the solid cone diffusion angle of the jacking cyclone nozzle designed by the invention is large, the maximum protection diameter of a single nozzle can reach 1.2m in a narrow vertical space and under a low pressure condition, the width direction of a lithium battery pack can be completely covered, and the design application scheme of a bottom spraying pipe network component is optimized.
5. According to the rapid fire-fighting disposal system and method for the building charging berth fire, the fire-fighting cofferdam designed by the invention adopts the laying mode of the folding fireproof plate and the remote control trolley, so that the cofferdam can be rapidly unfolded in place, the personnel berth is reduced, and the danger that personnel approach a fire source in a short distance is avoided.
6. The fire-fighting cofferdam designed by the invention is suitable for the ground sealing requirements of a plurality of environments, reduces the medium loss rate, can completely submerge the lithium battery pack by means of foaming medium within 1min under the action of a foam hook pipe, and can carry out long-time cooling and re-ignition prevention control on the lithium battery pack in thermal runaway of a vehicle after timely replenishment.
7. The rapid fire-fighting disposal system and the rapid fire-fighting disposal method for the building charging berth fire disaster solve the problems that the building charging berth fire disaster dangerous case depends on the traditional fire-fighting top spraying system, the response is slow, the fire source is difficult to directly strike, the fire gun is large in water resource consumption and easy to re-burn when the fire gun is used for rescuing, the fire transmission intensity range of the lithium battery pack is weakened and limited, and the prevention, control and inhibition efficacy of the fire accident of the new energy vehicle is improved.
Drawings
FIG. 1 is a schematic diagram of a treatment system according to the present invention;
FIG. 2 is a schematic view showing a storage state of the three-dimensional folding table according to the present invention;
fig. 3 is a schematic view showing a release state structure of the three-dimensional folding table of the present invention.
Detailed Description
The invention provides the following technical scheme:
1-3, a system and a method for rapidly disposing fire in a charging berth of a building, which comprises a unit foam-water fire safety emergency device, a narrow space bottom spraying pipe network assembly, a fire extinguishing cofferdam and a foam pipe hooking assembly.
The water inlet of the unit foam-water fire safety emergency device is communicated with an indoor/outdoor fire pipe network or a fire truck water supply system, and the liquid outlet can be respectively connected with a bottom spraying pipe network component and a foam hook pipe component.
The fire-fighting cofferdam consists of a folding fireproof plate, a high-temperature-resistant sealing ring and a magnetic remote control trolley.
The treatment method comprises the following steps:
s1, for berthing places where new energy vehicles are parked in a concentrated mode, each berthing place is provided with a set of fixed bottom spray pipe net components independently, and a protective area where the new energy vehicles are parked in a concentrated mode is provided with a set of unit foam-water fire safety emergency device;
s2, when the unit type foam-water fire safety emergency device receives an external fire source starting signal, the system switches an accident vehicle into a compressed air foam working mode so as to quickly press the development of fire, if front-end fire sensing equipment or artificial observation lithium battery pack open fire is extinguished, the adjustable system switches to a pure water working mode to continue cooling protection;
when the unit foam-water fire safety emergency device receives an external fire source starting signal, the system switches a vehicle (if any) near a berth area of an accident vehicle into a pure water working mode, and blocks fire behavior to prevent spread of fire;
s3, after the firefighters receive the alarm and catch up to the fire scene, the firefighting cofferdam can be operated to carry out blocking treatment on the accident vehicle, the device is used for rapidly filling foam fire extinguishing cooling medium into the cofferdam through a foam hook pipe assembly to submerge a lithium battery pack, and meanwhile, an outlet valve of a bottom spray pipe net assembly of the device is closed;
for the thermal runaway generated when the new energy vehicle runs, after the firefighter receives an alarm and catches up with the fire scene, the firefighter can select the movable bottom spraying pipe network assembly or the firefighting cofferdam to implement the fire extinguishing and cooling operation according to the scene fire accident development condition.
In the second embodiment, referring to fig. 1, a fire-fighting water booster pump, a foam pump group and a high-pressure carbon fiber gas cylinder are arranged in the unit foam-water fire-fighting safety emergency device;
the unit foam-water fire safety emergency device has three working modes of pure water, compressed air foam and conventional foam, and can be independently switched according to the on-site fire hazard degree and the rescue scheme.
In the pure water mode, the booster pump pumps water from the outside and is directly supplied to the bottom spraying pipe network component or the foam hook pipe component;
in the compressed air foam mode, a high-pressure carbon fiber gas cylinder provides high-pressure gas, and the high-pressure gas is mixed with foam in a mixing cavity and then discharged;
in the conventional foam mode, the foam pump directly pumps the foam in the foam liquid tank and discharges the foam.
1-3, the small space bottom spraying pipe network component is divided into a fixed type and a movable type, wherein the fixed type is used for a berth scene, and the movable type is used for thermal runaway when a vehicle runs;
the narrow space bottom spray pipe net assembly comprises a single-row medium flow pipe net and at least two jacking cyclone spray heads.
The bottom basin pipe network assembly comprises a chute 1 arranged on two sides of a medium flow pipe network, a three-dimensional folding frame 2 and a shielding plate 3, wherein the three-dimensional folding frame 2 is arranged in the chute 1, the shielding plate 3 is clamped at the opening of the chute 1, the three-dimensional folding frame 2 is arranged in the chute 1 in a folding state, the three-dimensional folding frame 2 can be released to pop out through the shielding plate 3, a framework is formed at the bottom of a new energy vehicle to support, foam sprayed by a spray head is attached to the three-dimensional folding frame 2 when rapidly filling a space at the bottom of the new energy vehicle, the foam is not easily affected by gravity to collapse, the filling form is better maintained, the fire suppression effect is enhanced, and the rapid operation under a fire scene can be realized by connecting a pull rope on the shielding plate 3, and the bottom spraying pipe network assembly aiming at movement can be realized by installing a trolley at the bottom of the medium flow pipe network, and the bottom of the vehicle can be pushed into the vehicle by a fire fighter or enter the vehicle through remote control.
In the fourth embodiment, the specification of the single-row medium flow pipe network is DN25 to DN40, the jacking rotational flow type spray head can freely and rapidly rotate under the action of medium flow, the maximum working pressure is 0.2MPa, the diffusion angle of the medium flow solid cone is 150-160 degrees, the vertical clearance between the upper surface of the spray head and the bottom surface of the lithium battery pack is 80-100 mm when the spray head is in a working position, and the surface of the lithium battery pack of the pure electric new energy passenger car can be completely covered and protected by arranging 3 spray heads at most.
In the fifth embodiment, the folding fireproof plate can be stored in a daily way, and can be directly unfolded when in use, and can resist flame at 1000 ℃ for 20min, and the structural strength meets the pressure requirement of the wall surface of the liquid storage height;
the high-temperature-resistant sealing ring is arranged at the bottom of the folding fireproof plate in a direct-inserting manner, so that a relative sealing environment can be formed on the ground, and the loss rate of media is reduced;
the magnetic remote control trolley can be attached to the surface of the fireproof plate, the manual remote control drives the fireproof plate to walk around the vehicle for laying, and after the fireproof plate is closed, the remote control trolley is demagnetized and returns.
The fire-fighting cofferdam designed by the invention is suitable for the ground sealing requirements of a plurality of environments, reduces the medium loss rate, can completely submerge the lithium battery pack by means of foaming medium within 1min under the action of a foam hook pipe, and can perform long-time cooling and re-ignition prevention control on the lithium battery pack in thermal runaway of the vehicle after timely replenishment.
The foam hook pipe assembly consists of a foam hook pipe and a frame, wherein an inlet of the foam hook pipe is connected with a liquid outlet of a foam fire truck or a liquid outlet of a unit foam-water fire safety emergency device, and an outlet of the foam hook pipe extends into a fire-fighting cofferdam;
the flow rate of the foam medium of the foam hook pipe assembly is 10L/s to 16L/s, the foaming multiple is 20 times to 40 times, and the released foam medium can be rapidly accumulated in the cofferdam to submerge the lithium battery pack for a long time in thermal runaway of the vehicle chassis.
Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention, and therefore the invention is not to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The utility model provides a quick processing system of building berth conflagration fire control that charges which characterized in that: the fire-fighting cofferdam comprises a unit type foam-water fire-fighting safety emergency device, a narrow space bottom spraying pipe network component, a fire-fighting cofferdam and a foam pipe hooking component;
the water inlet of the unit foam-water fire safety emergency device is communicated with an indoor/outdoor fire pipe network or a fire truck water supply system, and the liquid outlet can be respectively connected with a bottom spraying pipe network component and a foam hook pipe component;
the fire-fighting cofferdam consists of a folding fireproof plate, a high-temperature-resistant sealing ring and a magnetic remote control trolley.
2. The rapid fire-fighting disposal system and method for a charged berth of a building of claim 1, wherein: the inside of the unit foam-water fire safety emergency device is provided with a fire water booster pump, a foam pump group and a high-pressure carbon fiber gas cylinder;
the unit type foam-water fire safety emergency device has three working modes of pure water, compressed air foam and conventional foam, and can be automatically switched according to the on-site fire hazard degree and the rescue scheme.
3. The rapid fire-fighting disposal system and method for a charged berth of a building of claim 2, wherein: the narrow space bottom spray pipe net component is divided into a fixed type and a movable type, wherein the fixed type is used for a berth scene, and the movable type is used for thermal runaway when a vehicle runs.
4. A system and method for rapid fire-fighting disposal of a charged berth of a building according to claim 3, wherein: the narrow space bottom spray pipe net assembly comprises a single-row medium flow pipe net and a plurality of jacking cyclone spray heads.
5. The rapid fire-fighting disposal system and method for a charged berth of a building of claim 4, wherein: the specification of the single-row medium flow pipe network is DN25 to DN40, the jacking rotational flow type spray head can freely and rapidly rotate under the action of medium flow, the maximum working pressure is 0.2MPa, the diffusion angle of a medium flow solid cone is 150-160 degrees, the vertical clearance between the upper surface of the spray head and the bottom surface of a lithium battery pack is 80-100 mm when the spray head is in a working position, and the surface of the lithium battery pack of a pure electric new energy passenger car can be completely covered and protected by arranging 3 spray heads at most.
6. The rapid fire-fighting disposal system and method for a charged berth of a building of claim 5, wherein: the folding fireproof plate can be stored in daily way, can be directly unfolded when in use, can resist flame at 1000 ℃ for 20min, and has structural strength meeting the pressure requirement of the wall surface of the height of the stored liquid;
the high-temperature-resistant sealing ring is arranged at the bottom of the folding fireproof plate in a direct-inserting manner, so that a relative sealing environment can be formed on the ground, and the loss rate of media is reduced;
the magnetic remote control trolley can be attached to the surface of the fireproof plate, the manual remote control drives the fireproof plate to walk around the vehicle for laying, and after the fireproof plate is closed, the remote control trolley is demagnetized and returns.
7. The rapid fire-fighting disposal system and method for a charged berth of a building of claim 6, wherein: the foam hook pipe assembly consists of a foam hook pipe and a frame, wherein an inlet of the foam hook pipe is connected with a liquid outlet of a foam fire truck or a liquid outlet of a unit foam-water fire safety emergency device, and an outlet of the foam hook pipe extends into a fire-fighting cofferdam.
8. The rapid fire-fighting disposal system and method for a charged berth of a building of claim 7, wherein: the flow rate of foam medium of the foam hook pipe assembly is 10L/s to 16L/s, the foaming multiple is 20 times to 40 times, and the released foam medium can be rapidly accumulated in the cofferdam to submerge the lithium battery pack for a long time in thermal runaway of the vehicle chassis.
9. A method for rapid fire-fighting disposal of a charged berth fire in a building according to any one of claims 1-8, wherein: the treatment method comprises the following steps:
s1, for berthing places where new energy vehicles are parked in a concentrated mode, each berthing place is provided with a set of fixed bottom spray pipe net components independently, and a protective area where the new energy vehicles are parked in a concentrated mode is provided with a set of unit foam-water fire safety emergency device;
s2, when the unit type foam-water fire safety emergency device receives an external fire source starting signal, the system switches an accident vehicle into a compressed air foam working mode so as to quickly press the development of fire, if front-end fire sensing equipment or artificial observation lithium battery pack open fire is extinguished, the adjustable system switches to a pure water working mode to continue cooling protection;
when the unit foam-water fire safety emergency device receives an external fire source starting signal, the system switches a vehicle (if any) near a berth area of an accident vehicle into a pure water working mode, and blocks fire behavior to prevent spread of fire;
s3, after the firefighters receive the alarm and catch up to the fire scene, the firefighting cofferdam can be operated to carry out blocking treatment on the accident vehicle, the device is used for rapidly filling foam fire extinguishing cooling medium into the cofferdam through a foam hook pipe assembly to submerge a lithium battery pack, and meanwhile, an outlet valve of a bottom spray pipe net assembly of the device is closed;
for the thermal runaway generated when the new energy vehicle runs, after the firefighter receives an alarm and catches up with the fire scene, the firefighter can select the movable bottom spraying pipe network assembly or the firefighting cofferdam to implement the fire extinguishing and cooling operation according to the scene fire accident development condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311186188.9A CN117462874A (en) | 2023-09-14 | 2023-09-14 | Rapid fire-fighting disposal system and method for building charging berth fire disaster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311186188.9A CN117462874A (en) | 2023-09-14 | 2023-09-14 | Rapid fire-fighting disposal system and method for building charging berth fire disaster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117462874A true CN117462874A (en) | 2024-01-30 |
Family
ID=89631998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311186188.9A Pending CN117462874A (en) | 2023-09-14 | 2023-09-14 | Rapid fire-fighting disposal system and method for building charging berth fire disaster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117462874A (en) |
-
2023
- 2023-09-14 CN CN202311186188.9A patent/CN117462874A/en active Pending
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