CN114129943A - Fire fighting arrangement method and fire fighting system - Google Patents

Fire fighting arrangement method and fire fighting system Download PDF

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Publication number
CN114129943A
CN114129943A CN202111367712.3A CN202111367712A CN114129943A CN 114129943 A CN114129943 A CN 114129943A CN 202111367712 A CN202111367712 A CN 202111367712A CN 114129943 A CN114129943 A CN 114129943A
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China
Prior art keywords
fire
area
subsection
drainage
fire extinguishing
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CN202111367712.3A
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Chinese (zh)
Inventor
张进
赵莹芳
李贺强
刘文芳
李志静
汪钰辉
史凤华
刘占盛
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China Nuclear Power Engineering Co Ltd
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China Nuclear Power Engineering Co Ltd
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Priority to CN202111367712.3A priority Critical patent/CN114129943A/en
Publication of CN114129943A publication Critical patent/CN114129943A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C31/00Delivery of fire-extinguishing material
    • A62C31/005Delivery of fire-extinguishing material using nozzles
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C3/00Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/16Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C31/00Delivery of fire-extinguishing material
    • A62C31/28Accessories for delivery devices, e.g. supports
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C37/00Control of fire-fighting equipment
    • A62C37/36Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
    • A62C37/38Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
    • A62C37/40Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone with electric connection between sensor and actuator
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00Fire alarms; Alarms responsive to explosion
    • G08B17/06Electric actuation of the alarm, e.g. using a thermally-operated switch
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18Status alarms
    • G08B21/24Reminder alarms, e.g. anti-loss alarms
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C99/00Subject matter not provided for in other groups of this subclass
    • A62C99/0009Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames
    • A62C99/0072Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames using sprayed or atomised water

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  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire Alarms (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)

Abstract

The invention discloses a fire-fighting arrangement method, dividing fire-fighting subareas into a plurality of subsection areas, wherein the overlapping area between every two adjacent subsection areas is a transition area, each subsection area and each transition area are respectively provided with a fire detection device, each subsection area is respectively provided with a fire extinguishing device and a drainage device, when the fire detection device in any subsection area detects that fire occurs in the subsection area, the fire extinguishing device in the subsection area is opened to extinguish the fire, and fire-fighting drainage generated during fire extinguishment is discharged through the drainage device in the subsection area; or when the fire detection device in any transition region detects that the fire occurs in the transition region, the fire extinguishing devices in two adjacent subsection regions of the transition region are opened to extinguish the fire, and fire-fighting drainage generated during fire extinguishment is discharged through the drainage devices in the two subsection regions. The invention also discloses a fire fighting system. The fire extinguishing device can be prevented from being started in a large area, accurate control is realized, and the discharge of fire water is reduced.

Description

Fire fighting arrangement method and fire fighting system
Technical Field
The invention particularly relates to a fire fighting arrangement method and a fire fighting system.
Background
In a certain nuclear power plant, a large number of cable galleries are configured according to process requirements and the overall layout of a nuclear island, and for the A, B rows of safety and power supply systems, the situation that common mode failure needs to be physically isolated, so that a plurality of long cable galleries crossing a factory building exist is avoided. For the fire control of such long cable galleries in the same fire-protection subarea or large areas crossing floors, the fire-protection system should take the spreading performance of fire into consideration and take the whole fire-protection subarea as a design protection range to calculate the maximum fire-fighting water quantity and the maximum water pressure.
Because most of the area of the nuclear island is located in the control area, and the fire-fighting system usually adopts an automatic water spraying system controlled by a fusing valve, according to the original fire-fighting control mode, after the alarm of the fire-fighting subarea, all the fusing valves can be triggered to be opened in a linkage manner, all the nozzles spray together for protection, so that a large amount of radioactive drainage is easily generated in the control area, great burden is brought to a downstream drainage treatment system, the treatment cost is increased, meanwhile, a large amount of disposable drainage is easy to cause flooding hazard, and potential safety hazards are brought to other important items.
Disclosure of Invention
The invention aims to solve the technical problems in the prior art, and provides a fire-fighting arrangement method and a fire-fighting system, which can prevent a fire-fighting device from being started in a large area at the initial stage of a fire disaster, realize accurate control and reduce the discharge of fire-fighting water.
The technical scheme for solving the technical problems is as follows:
according to one aspect of the invention, a fire fighting arrangement method is provided, and the technical scheme is as follows:
a fire fighting deployment method comprising: dividing the fire-prevention subarea into a plurality of subsection areas, wherein the overlapping area between every two adjacent subsection areas is a transition area, a fire detection device is arranged in each subsection area and each transition area, and a fire extinguishing device and a drainage device are respectively arranged in each subsection area;
when the fire detection device in any subsection area detects that a fire breaks out in the subsection area, the fire extinguishing device in the subsection area is opened to extinguish the fire, and fire-fighting drainage generated during fire extinguishing is discharged through the drainage device in the subsection area;
or when the fire detection device in any transition region detects that the fire occurs in the transition region, the fire extinguishing devices in two adjacent subsection regions of the transition region are opened to extinguish the fire, and fire-fighting drainage generated during fire extinguishment is discharged through the drainage devices in the two subsection regions.
Preferably, the fire-proof subarea is in a long channel shape, the length range of each subsection area is 80-100m, and the length range of a transition area between two adjacent subsection areas is 10-20 m; or the fire-proof subareas are multi-floor areas, each subsection area is one or more floors, and the transition area between every two adjacent subsection areas is one or more floors.
Preferably, the fire protection sub-area is divided into two sub-areas, a first sub-area and a second sub-area.
Preferably, the fire detection device adopts a temperature detector and/or a smoke detector and/or a flame detector;
the fire extinguishing device adopts automatic water spraying fire extinguishing equipment and/or water spraying fire extinguishing equipment;
the drainage device adopts floor drain drainage equipment.
Preferably, the fire detection device in each of the staging areas comprises two separate detection units, one of which employs a temperature-sensitive detector and the other employs a smoke-sensitive detector.
Preferably, the fire detection means in each segment area is activated in conjunction with the fire suppression means in that segment area;
and the fire detection devices in the transition areas and the fire extinguishing devices in the two adjacent subsection areas are started in a linkage mode.
According to another aspect of the present invention, there is provided a fire fighting system, comprising:
a fire protection system for a fire protection sub-area, the fire protection sub-area being divided into a plurality of segment areas, an overlapping area between every adjacent two of the segment areas being a transition area, wherein:
the fire detection devices are respectively arranged in each subsection area in the fire-proof subarea and a transition area between two adjacent subsection areas and used for detecting whether a fire occurs in the subsection area or the transition area;
the fire extinguishing device is divided into a plurality of fire extinguishing devices, and the fire extinguishing devices are arranged in each subsection area in the fire prevention subarea and in a transition area between two adjacent subsection areas and are used for extinguishing fire when a fire disaster happens to the area;
the number of the drainage devices is multiple, and the drainage devices are arranged in each subsection area in the fire-fighting subarea respectively and used for discharging fire-fighting drainage generated when fire is extinguished in the area.
Preferably, the fire protection sub-area is divided into a first sub-area and a second sub-area, the number of the fire detection devices is three, and the fire detection devices are respectively a first fire detection device, a second fire detection device and a third fire detection device, the first fire detection device is arranged in the first sub-area, the second fire detection device is arranged in the second sub-area, and the third fire detection device is arranged in the transition area;
the number of the fire extinguishing devices is two, and the fire extinguishing devices are respectively a first fire extinguishing device and a second fire extinguishing device, the first fire extinguishing device is arranged in the first subsection area, and the second fire extinguishing device is arranged in the second subsection area;
the number of the drainage devices is two, namely a first drainage device and a second drainage device, the first drainage device is arranged in the first subsection area, and the second drainage device is arranged in the second subsection area.
Preferably, the first fire detection device, the second fire detection device and the third fire detection device are temperature-sensitive detectors and/or smoke-sensitive detectors and/or flame detectors;
the first fire extinguishing device and the second fire extinguishing device both adopt automatic water spraying fire extinguishing equipment or water spraying fire extinguishing equipment;
and the first drainage device and the second drainage device both adopt floor drain drainage equipment.
Preferably, the first fire detection device, the second fire detection device, and the third fire detection device each include two independent detection units, which are a first detection unit and a second detection unit, respectively, the first detection unit employs a temperature-sensitive detector, and the second detection unit employs a smoke-sensitive detector.
Preferably, the system further comprises a controller, the first fire detection device being electrically connected to the controller, for transmitting a first fire signal to a controller upon detection of a fire in said first staging area, said second fire detection device being electrically connected to said controller, for transmitting a second fire signal to a controller upon detection of a fire in said second staging area, said third fire detection device being electrically connected to said controller, for sending a third fire signal to the controller upon detection of a fire in said transition zone, the controller is respectively and electrically connected with the first fire extinguishing device and the second fire extinguishing device and is used for controlling the first fire extinguishing device to start when receiving a first fire signal, and, controlling the second fire extinguishing means to start when receiving the second fire signal, and controlling both the first fire extinguishing means and the second fire extinguishing means to start when receiving the third fire signal.
Preferably, the system further comprises an alarm, the controller is electrically connected with the alarm, and the controller is further used for controlling the alarm to alarm when receiving the first fire signal and/or the second fire signal and/or the third fire signal.
Preferably, the system further comprises a master control button, the master control button is electrically connected with the controller and used for sending a starting signal to the controller, and the controller is further used for controlling the first fire extinguishing device and/or the second fire extinguishing device to start when receiving the starting signal. That is, the fire extinguishing devices of the fire fighting system of the whole fire protection sub-area can be automatically started in a chain manner through the fire signal corresponding to the chain manner, and can also be manually started.
The fire-fighting arrangement method and the fire-fighting system adopt the sectional control mode, can accurately control and extinguish fire for the fire-fighting subareas according to the areas, thereby effectively reducing the generation amount of fire-fighting drainage, avoiding secondary hazards such as flooding and the like, being particularly suitable for occasions such as nuclear power stations and the like, reducing radioactive fire-fighting drainage, reducing the processing burden of a downstream fire-fighting drainage processing system and reducing the processing cost.
Drawings
Fig. 1 is a schematic structural diagram of a fire fighting system in an embodiment of the present invention.
In the figure: 10-a first segmentation zone; 11-a first fire detection device; 12-a first fire extinguishing device; 13-a first drainage means; 20-a second staging area; 21-a second fire detection device; 22-a second fire extinguishing device; 23-a second drainage means; 30-a transition region; 31-third fire detection device.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are a part of the embodiments of the present invention, and not all 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.
In the description of the present invention, it should be noted that the indication of orientation or positional relationship, such as "on" or the like, is based on the orientation or positional relationship shown in the drawings, and is only for convenience and simplicity of description, and does not indicate or imply that the device or element referred to must be provided with a specific orientation, constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected," "disposed," "mounted," "fixed," and the like are to be construed broadly, e.g., as being fixedly or removably connected, or integrally connected; either directly or indirectly through intervening media, or through the interconnection of two elements. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art.
Example 1
The embodiment discloses a fire fighting arrangement method, which comprises the following steps:
dividing the fire-proof subarea into a plurality of subarea areas, wherein the overlapping area between every two adjacent subarea areas is a transition area, each subarea area and each transition area are respectively provided with a fire detection device, each subarea area is respectively provided with a fire extinguishing device and a drainage device,
when the fire detection device in any subsection area detects that a fire breaks out in the subsection area, the fire extinguishing device in the subsection area is opened to extinguish the fire, and fire-fighting drainage generated during fire extinguishment is discharged through the drainage device in the subsection area; or,
when the fire detection device in any transition area detects that the fire breaks out in the transition area, the fire extinguishing devices in two adjacent subsection areas of the transition area are opened to extinguish the fire, and fire-fighting drainage generated during fire extinguishment is discharged through the drainage devices in the two subsection areas.
Specifically, the division principle of the segmented areas in the fire-protection subarea can be specifically selected according to the layout condition of the fire-protection subarea. For example, when the fire-protection partition is a long channel-shaped (long cable channel) area, the fire-protection partition may be divided into a plurality of segment areas by taking a room as a boundary or by taking a length as a boundary, an overlapping portion between two adjacent segment areas is a transition area 30, a range size of each segment area may be selected according to a size of the fire-protection area, and a range size of the transition area 30 may be selected according to sizes of two adjacent segment areas; when the fire-protection subarea is a multi-floor area, the fire-protection subarea can be divided into a plurality of subsection areas by taking a floor as a boundary, the overlapping part between two adjacent subsection areas is a transition area, at this time, each subsection area is one or more floors, and the transition area between the adjacent subsection areas is one or more floors.
In this embodiment, the fire protection partition is mainly a long cable channel in a nuclear power plant, that is, the fire protection partition is in a long channel shape, as shown in fig. 1, the fire protection partition is divided into two segment areas, namely a first segment area 10 and a second segment area 20, the length range of each segment area is preferably 80-100m, the first segment area 10 and the second segment area 20 are partially overlapped to form the transition area 30, and the length range of the transition area 30 is preferably 10-20 m. At this time, the number of the fire detection devices is three, and the fire detection devices are respectively a first fire detection device 11, a second fire detection device 21, and a third fire detection device 31, wherein the first fire detection device 11 is disposed in the first sectioned region 10 and is used for detecting whether a fire occurs in the first sectioned region 10, the second fire detection device 21 is disposed in the second sectioned region 20 and is used for detecting whether a fire occurs in the second sectioned region 20, and the third fire detection device 31 is disposed in the transition region 30 and is used for detecting whether a fire occurs in the transition region; the fire protection device comprises two fire protection devices, namely a first fire protection device and a second fire protection device, wherein a first fire extinguishing device 12 is arranged in a first subsection area 10 and is normally closed, the first fire extinguishing device 12 is started when a first fire detection device 11 detects that the first subsection area 10 is in fire or a third detector detects that a transition area 30 is in fire and is used for extinguishing the fire in the first subsection area 10, a second fire extinguishing device 22 is arranged in a second subsection area 20 and is normally closed, and the second fire extinguishing device 22 is started when a second fire detection device 21 detects that the second subsection area 20 is in fire or the third detector detects that the transition area 30 is in fire and is used for extinguishing the second subsection area 20; the number of the drainage devices is two, namely a first drainage device 13 and a second drainage device 23, the first drainage device 13 is arranged in the first sectional area 10 and used for discharging fire-fighting drainage generated when a fire is extinguished in the first sectional area 10, and the second drainage device 23 is arranged in the second sectional area 20 and used for discharging fire-fighting drainage generated when a fire is extinguished in the second sectional area 20.
In some embodiments, each fire detection device may employ a commercially available temperature-sensitive detector and/or smoke-sensitive detector and/or flame detector, each fire extinguishing device may employ a commercially available automatic water-spraying fire extinguishing apparatus and/or water-spraying fire extinguishing apparatus, and each drainage device employs a floor drain drainage apparatus.
In some embodiments, the fire detection device in each segment region includes two independent detection units, that is, each fire detection device is provided with two independent detection loops, so that detection errors can be prevented, reliability is improved, deactivation delay caused when a fire occurs at a junction between the first segment region 10 and the second segment region 20 is avoided, one detection unit employs a temperature-sensitive detector, the other detection unit employs a smoke-sensitive detector, and of course, other combination modes can be adopted, which are not described in detail herein.
It should be noted that the fire fighting arrangement method of the embodiment is mainly used in the nuclear power station and other occasions, especially in the control area of the nuclear power station, and can avoid the large-area starting of the fire extinguishing device at the initial stage of a fire disaster to generate a large amount of radioactive fire fighting drainage, reduce the processing burden of a downstream fire fighting drainage processing system, reduce the processing cost, and avoid the hidden dangers such as flooding hazard. Of course, the method of the present embodiment may be used in nuclear power plants, and may also be used in other occasions, which are not limited to nuclear power plants, and are not described in detail herein.
The fire-fighting arrangement method of the embodiment adopts a sectional control mode, can realize accurate fire control and extinguishment for fire-fighting subareas according to sectional areas, effectively reduces the generation amount of fire-fighting drainage, avoids secondary hazards such as flooding and the like, is particularly suitable for occasions such as nuclear power stations and the like, can reduce radioactive fire-fighting drainage, reduces the processing burden of a downstream fire-fighting drainage processing system, and reduces the processing cost.
Example 2
The embodiment discloses a fire extinguishing system for the fire prevention subregion, the fire prevention subregion divides into a plurality of sectional areas, and the overlap area between per two adjacent sectional areas is transition area, and fire extinguishing system includes fire detection device, extinguishing device, and drainage device, wherein:
the fire detection devices are distributed in each subsection area in the fire-proof subarea and in the transition area between two adjacent subsection areas and are used for detecting whether a fire occurs in the subsection area or the transition area;
the fire extinguishing devices are arranged in each subsection area in the fire prevention subarea and in the transition area between two adjacent subsection areas and are used for extinguishing fire when the subsection area is in fire;
the number of the drainage devices is multiple, and the drainage devices are arranged in each subsection area in the fire-fighting subarea in a dividing mode and used for discharging fire-fighting drainage generated when fire is extinguished in the subsection area.
Specifically, the division principle of the fire-protection subarea may be specifically selected according to the layout condition of the fire-protection subarea, for example, when the fire-protection subarea is a long-channel-shaped (e.g., a long cable channel) area, the fire-protection subarea may be divided into a plurality of subareas by taking a room as a boundary or a length as a boundary, an overlapping portion between two adjacent subareas is a transition area 30, the size of the range of each subarea may be selected according to the size of the fire-protection area, and the size of the range of the transition area 30 may be selected according to the size of two adjacent subareas; when the fire-protection subarea is a multi-floor area, the fire-protection subarea can be divided into a plurality of subsection areas by taking a floor as a boundary, the overlapping part between two adjacent subsection areas is a transition area, at this time, each subsection area is one or more floors, and the transition area between the adjacent subsection areas is one or more floors.
The system of the embodiment is mainly used for a long cable channel in a nuclear power station, at the moment, a fire protection subarea is in a long channel shape, the fire protection subarea is divided into a plurality of subsection areas, the number of fire detection devices is selected according to the number of the subsection areas divided in one fire protection subarea and the number of transition areas between two adjacent subsection areas, and at least one fire detection device is ensured to be arranged in each subsection area and each transition area. The number of fire extinguishing devices is selected according to the number of the divided areas in one fire-protection subarea, and at least one fire extinguishing device is arranged in each divided area. The number of the drainage devices is selected according to the number of the divided areas in one fire-proof subarea, and at least one drainage device is arranged in each divided area.
In this embodiment, the fire protection zone mainly refers to a long cable channel in a nuclear power plant, that is, the fire protection system of this embodiment can be used in the nuclear power plant, and is particularly suitable for being used in a control zone in the nuclear power plant. As shown in fig. 1, since the fire-protection partition is a long channel-shaped area, the fire-protection partition can be divided into two divided areas, namely a first divided area 10 and a second divided area 20, the overlapping portion between the first divided area 10 and the second divided area 20 is a transition area 30, the length of the first divided area 10 and the length of the second divided area 20 are preferably 80-100m, and the length of the transition area 30 is preferably 10-20 m; at this time, the number of the fire detection devices is three, which are respectively the first fire detection device 11, the second fire detection device 21, and the third fire detection device 31, the first fire detection device 11 is disposed in the first sectional region 10 for detecting whether a fire occurs in the first sectional region 10, the second fire detection device 21 is disposed in the second sectional region 20 for detecting whether a fire occurs in the second sectional region 20, and the third fire detection device 31 is disposed in the transition region 30 for detecting whether a fire occurs in the transition region; the number of fire extinguishing means is two first fire extinguishing means 12 and two second fire extinguishing means 22, the first fire extinguishing means 12 being arranged in a first sectional area 10 (containing a part of a transition area 30 overlapping the first sectional area 10), the first fire extinguishing means 12 being in a closed state under normal conditions, being activated when the first fire detecting means 11 detects a fire in the first sectional area 10 or when the third fire detecting means detects a fire in the transition area 30, for extinguishing the first sectional area 10, the second fire extinguishing means 22 being arranged in a second sectional area 20 (containing a part of a transition area 30 overlapping the second sectional area 20), the second fire extinguishing means 22 being in a closed state under normal conditions, being activated when the second fire detecting means 21 detects a fire in the second sectional area 20 or when the third fire detecting means detects a fire in the transition area 30, for extinguishing the second subsection 20; the number of the drainage devices is two, namely a first drainage device 13 and a second drainage device 23, the first drainage device 13 is arranged in the first sectional area 10 and used for discharging fire-fighting drainage generated when a fire is extinguished in the first sectional area 10, and the second drainage device 23 is arranged in the second sectional area 20 and used for discharging fire-fighting drainage generated when a fire is extinguished in the second sectional area 20.
It should be noted that the method of the present embodiment may be used in a nuclear power plant, and may also be used in other occasions, which is not limited to the nuclear power plant, and is not described in detail herein.
In some embodiments, the first fire detection device 11, the second fire detection device 21, and the third fire detection device 31 are preferably commercially available temperature-sensitive detectors and/or smoke-sensitive detectors and/or flame detectors.
In some more specific embodiments, the first fire detection device 11, the second fire detection device 21, and the third fire detection device 31 each include two independent detection units, which are respectively the first detection unit and the second detection unit, that is, two independent detection circuits are provided for each fire detection device, so that detection errors can be prevented, reliability can be improved, and deactivation delay can be prevented when a fire breaks out at the boundary between the first sectional area 10 and the second sectional area 20. Moreover, the first detection unit preferably adopts a temperature detector, the second detection unit preferably adopts a smoke detector, and of course, other combination modes can be adopted, which are not repeated one by one.
In some embodiments, the first fire suppression unit 12 and the second fire suppression unit 22 are preferably commercially available automatic water-spraying or water-spraying fire suppression equipment.
In some embodiments, the first drain 13 and the second drain 23 both employ a floor drain.
In some embodiments, the system further comprises a controller (not shown), and the first fire detection device 11 is electrically connected to the controller for sending a first fire signal to the controller when detecting a fire in the first segmented region 10, the second fire detection device 21 is electrically connected to the controller for sending a second fire signal to the controller when detecting a fire in the second segmented region 20, the third fire detection device 31 is electrically connected to the controller for sending a third fire signal to the controller when detecting a fire in the transition region 30, the controller is electrically connected to the first fire extinguishing device 12 and the second fire extinguishing device 22 respectively for controlling the first fire extinguishing device 12 to be activated when receiving the first fire signal, the second fire extinguishing device 22 to be activated when receiving the second fire signal, and the first fire extinguishing device 12 and the second fire extinguishing device 22 to be activated when receiving the third fire signal, that is, when a fire breaks out in the first sectioned zone 10, the first fire extinguishing device 12 may be automatically activated in a chain by a first fire signal transmitted from the first fire detecting device 11; when a fire breaks out in the second sectional area 20, the second fire extinguishing device 22 may be automatically activated in a chain by a second fire signal transmitted from the second fire detecting device 21; when a fire breaks out in the transition area 30, the first fire extinguishing device 12 and the second fire extinguishing device 22 can be automatically started in a chain manner by a third fire signal sent by the third fire detecting device 31, that is, the third fire detecting device 31 can start the fire extinguishing devices of the whole fire-protection subarea in a chain manner to protect the whole fire-protection subarea from fire, that is, the system has the capability of being started simultaneously.
In some embodiments, the system further comprises a master control button electrically connected with the controller and used for sending an activation signal to the controller, and the controller is further used for controlling the first fire extinguishing device and/or the second fire extinguishing device to be activated when receiving the activation signal. That is, the fire extinguishing devices of the fire fighting system of the whole fire protection sub-area can be automatically started in a chain manner through the fire signal corresponding to the chain manner, and can also be manually started.
In some embodiments, the system further comprises an alarm (not shown in the figures), the controller is further electrically connected with the alarm, and the controller is further used for controlling the alarm to give an alarm when receiving the first fire signal and/or the second fire signal and/or the third fire signal, so that staff can be reminded to deal with the fire accident in time.
The working process of the fire protection system of the embodiment is detailed below by taking a long cable channel of a nuclear power station as an example, and the detailed description is as follows:
normally, the first fire detection device 11, the second fire detection device 21, and the third fire detection device 31 are in a standby state, and the first fire extinguishing device 12 and the second fire extinguishing device 22 are in a standby state (off state);
when a fire disaster occurs in the first sectional area 10, the first fire detection device 11 sends a first fire signal to the controller, the controller receives the first fire signal and then controls the first fire extinguishing device 12 to automatically start in a linkage manner, so that fire extinguishing action is performed on the first sectional area 10, fire extinguishing drainage generated by fire extinguishing is discharged through the first drainage device 13 until the fire disaster in the first sectional area 10 is extinguished, and the first fire extinguishing device 12 is closed;
when a fire disaster occurs in the second sectional area 20, the second fire detection device 21 sends a second fire signal to the controller, the controller receives the second fire signal and then controls the second fire extinguishing device 22 to automatically start in a linkage manner, so that the second sectional area 20 is subjected to fire extinguishing action, fire-fighting drainage generated by fire extinguishing is discharged through the second drainage device 23 until the fire disaster in the first sectional area 10 is extinguished, and the second fire extinguishing device 22 is closed;
when a fire breaks out in the transition area 30, the third fire detection device 31 sends a third fire signal to the controller, the controller receives the third fire signal and then controls the first fire extinguishing device 12 and the second fire extinguishing device 22 to automatically start in a linkage mode, fire extinguishing action is carried out on the whole fire-fighting subarea, fire-fighting drainage generated by fire extinguishing is discharged through the first drainage device 13 and the second drainage device 23 until the fire in the whole fire-fighting subarea is extinguished, and the first fire extinguishing device 12 and the second fire extinguishing device 22 are closed.
The fire extinguishing system of this embodiment adopts the sectional control mode, can realize accurate control to put out a fire according to the region to the fire prevention subregion, effectively reduces the production of fire control drainage, avoids the emergence of secondary hazard such as flooding, is particularly suitable for occasions such as nuclear power station, can reduce radioactive fire control drainage, reduces the processing burden of low reaches fire control drainage processing system, reduces treatment cost.
It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.

Claims (13)

1. A fire fighting deployment method, comprising:
dividing the fire-protection subarea into a plurality of subsection areas, wherein the overlapping area between every two adjacent subsection areas is a transition area,
fire detection devices are arranged in each subsection area and each transition area, a fire extinguishing device and a drainage device are respectively arranged in each subsection area,
when the fire detection device in any subsection area detects that a fire breaks out in the subsection area, the fire extinguishing device in the subsection area is opened to extinguish the fire, and fire-fighting drainage generated during fire extinguishing is discharged through the drainage device in the subsection area; or,
when the fire detection device in any transition region detects that the transition region has a fire, the fire extinguishing devices in two adjacent subsection regions of the transition region are opened to extinguish the fire, and fire-fighting drainage generated during fire extinguishing is discharged through the drainage devices in the two subsection regions.
2. A fire fighting arrangement as defined in claim 1, wherein the fire protection section is in the form of a long tunnel, each section area having a length in the range of 80-100m, and the transition area between two adjacent section areas having a length in the range of 10-20 m; or,
the fire protection subareas are multi-floor areas, each subsection area is one or more floors, and the transition area between every two adjacent subsection areas is one or more floors.
3. A fire protection arrangement as claimed in claim 2, wherein the fire zone is divided into two sectioned zones, a first sectioned zone and a second sectioned zone respectively.
4. A fire fighting arrangement as defined in claim 1, wherein the fire detection device employs a temperature-sensitive detector and/or a smoke-sensitive detector and/or a flame detector,
the fire extinguishing device adopts automatic water spraying fire extinguishing equipment and/or water spraying fire extinguishing equipment,
the drainage device adopts floor drain drainage equipment.
5. A fire fighting arrangement as defined in claim 4, wherein the fire detection device in each staging area includes two separate detection units, one of which employs a temperature-sensitive detector and the other employs a smoke-sensitive detector.
6. A fire fighting arrangement as defined in any of claims 1 to 5, characterized in that the fire detection device in each segment area is activated in conjunction with the fire extinguishing device in the segment area,
and the fire detection devices in the transition areas and the fire extinguishing devices in the two adjacent subsection areas are started in a linkage mode.
7. A fire fighting system for fire protection zones, characterized in that the fire fighting system comprises fire detection means, fire extinguishing means, and drainage means,
the fire-proof subarea is divided into a plurality of subarea areas, the overlapping area between every two adjacent subarea areas is a transition area,
the fire detection devices are respectively arranged in each subsection area in the fire-proof subarea and a transition area between two adjacent subsection areas and used for detecting whether a fire occurs in the subsection area or the transition area;
the fire extinguishing device is divided into a plurality of fire extinguishing devices, and the fire extinguishing devices are arranged in each subsection area in the fire prevention subarea and in a transition area between two adjacent subsection areas and are used for extinguishing fire when a fire disaster happens to the area;
the number of the drainage devices is multiple, and the drainage devices are arranged in each subsection area in the fire-fighting subarea respectively and used for discharging fire-fighting drainage generated when fire is extinguished in the area.
8. A fire protection system as defined in claim 7, wherein the fire zone is divided into a first staging area and a second staging area,
the number of the fire detection devices is three, and the fire detection devices are respectively a first fire detection device, a second fire detection device and a third fire detection device,
the first fire detection device is arranged in the first subsection area, the second fire detection device is arranged in the second subsection area, and the third fire detection device is arranged in the transition area;
the number of the fire extinguishing devices is two, the fire extinguishing devices are respectively a first fire extinguishing device and a second fire extinguishing device,
the first fire extinguishing device is arranged in the first subsection area, and the second fire extinguishing device is arranged in the second subsection area;
the number of the drainage devices is two, the drainage devices are respectively a first drainage device and a second drainage device,
the first drainage device is arranged in the first subsection area, and the second drainage device is arranged in the second subsection area.
9. A fire protection system as claimed in claim 8, wherein the first, second and third fire detection devices each employ a temperature and/or smoke and/or flame detector;
the first fire extinguishing device and the second fire extinguishing device both adopt automatic water spraying fire extinguishing equipment or water spraying fire extinguishing equipment;
and the first drainage device and the second drainage device both adopt floor drain drainage equipment.
10. A fire fighting system as defined in claim 9, wherein the first fire detection device, the second fire detection device, and the third fire detection device each include two separate detection units, a first detection unit and a second detection unit,
the first detection unit adopts a temperature-sensitive detector, and the second detection unit adopts a smoke-sensitive detector.
11. A fire fighting system as defined in claim 8, further comprising a controller,
the first fire detection device is electrically connected with the controller and is used for sending a first fire signal to the controller when detecting that the first subsection area fires,
the second fire detection device is electrically connected with the controller and is used for sending a second fire signal to the controller when the second sectional area is detected to have fire,
the third fire detection device is electrically connected with the controller and is used for sending a third fire signal to the controller when the fire disaster in the transition area is detected,
the controller is electrically connected with the first fire extinguishing device and the second fire extinguishing device respectively and used for controlling the first fire extinguishing device to start when receiving a first fire signal, controlling the second fire extinguishing device to start when receiving a second fire signal and controlling the first fire extinguishing device and the second fire extinguishing device to start when receiving a third fire signal.
12. A fire protection system as defined in claim 11, further comprising an alarm,
the controller is electrically connected with the alarm device and is also used for controlling the alarm device to alarm when receiving the first fire signal and/or the second fire signal and/or the third fire signal.
13. A fire fighting system as defined in claim 11, further comprising a master control button,
the master control button is electrically connected with the controller and used for sending a starting signal to the controller, and the controller is also used for controlling the first fire extinguishing device and/or the second fire extinguishing device to start when receiving the starting signal.
CN202111367712.3A 2021-11-18 2021-11-18 Fire fighting arrangement method and fire fighting system Pending CN114129943A (en)

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* Cited by examiner, † Cited by third party
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Publication number Priority date Publication date Assignee Title
CN1374231A (en) * 2001-03-13 2002-10-16 株式会社新来岛船坞 Ship fire detection system and local fire-fighting system for ship engine room
CN204275343U (en) * 2014-09-19 2015-04-22 中国核电工程有限公司 A kind of fire-fighting system of cable shaft fire of putting out a fire to save life and property
CN209630480U (en) * 2019-01-10 2019-11-15 华南理工大学 A kind of anti-re-ignition automatic fire extinguisher of power battery pack
US20210299498A1 (en) * 2018-07-27 2021-09-30 Minimax Viking Research & Development Gmbh A Fire Fighting System for Extinguishing a Fire in a Room of a Building, A Method Thereof and Use of an Array Sensor Therein

Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
CN1374231A (en) * 2001-03-13 2002-10-16 株式会社新来岛船坞 Ship fire detection system and local fire-fighting system for ship engine room
CN204275343U (en) * 2014-09-19 2015-04-22 中国核电工程有限公司 A kind of fire-fighting system of cable shaft fire of putting out a fire to save life and property
US20210299498A1 (en) * 2018-07-27 2021-09-30 Minimax Viking Research & Development Gmbh A Fire Fighting System for Extinguishing a Fire in a Room of a Building, A Method Thereof and Use of an Array Sensor Therein
CN209630480U (en) * 2019-01-10 2019-11-15 华南理工大学 A kind of anti-re-ignition automatic fire extinguisher of power battery pack

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115282526A (en) * 2022-08-11 2022-11-04 上海外高桥造船有限公司 Marine fire extinguishing method and water fire extinguishing system

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Application publication date: 20220304