CN110882506B - Independent distribution control foam fire extinguishing system - Google Patents
Independent distribution control foam fire extinguishing system Download PDFInfo
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- CN110882506B CN110882506B CN201911166931.8A CN201911166931A CN110882506B CN 110882506 B CN110882506 B CN 110882506B CN 201911166931 A CN201911166931 A CN 201911166931A CN 110882506 B CN110882506 B CN 110882506B
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C5/00—Making of fire-extinguishing materials immediately before use
- A62C5/02—Making of fire-extinguishing materials immediately before use of foam
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/50—Testing or indicating devices for determining the state of readiness of the equipment
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses an independent distribution control foam fire extinguishing system, which comprises a water supply system, a foam storage and release device and a control system; the water supply system comprises a fire pump; the water inlet end of the fire pump is communicated with an external water source; the foam storage and release device comprises a storage barrel, an electric control switch and a spray head; a foam liquid storage device is arranged in the storage barrel; the electric control switch comprises an electromagnetic valve; the inlet of the electromagnetic valve is connected with the foam outlet end of the foam storage and release device, and the outlet of the electromagnetic valve is connected with the spray head; the electric control switch also comprises an electric actuating mechanism; the control system comprises a fire extinguishing controller and a fire detector; the fire extinguishing controller is electrically connected with the fire pump; the fire extinguishing controller is also electrically connected with the electric execution structure; the fire detector is electrically connected with the fire extinguishing controller. The invention adopts distributed foam liquid storage, simplifies the pipe network structure and improves the utilization rate of the foam liquid; by independently monitoring and extinguishing fire in a protected area in a subarea manner and spraying differently, the foam liquid is saved; only water flows in the pipe network, and cleaning is not needed afterwards.
Description
Technical Field
The invention relates to the technical field of foam fire-extinguishing systems, in particular to a foam fire-extinguishing system with independent distributed control.
Background
The foam fire extinguishing system mainly comprises a fire pump, a foam liquid storage tank, a proportioning mixer, a foam generating device, a valve, a pipeline and the like. The working principle of the fire extinguishing device is that foam liquid and water are mixed into foam mixed liquid in proportion through a proportioner, air foam is generated through a foam generating device to cover the surface of a combustion liquid, and the fire extinguishing purpose is achieved by utilizing the blocking, cooling and suffocation functions of the foam. Current traditional foam fire extinguishing systems are concentrated by the foam concentrate storage tank and are stored the foam concentrate, when liquid process proportion mixing arrangement, mix with the foam in the foam concentrate storage tank, flow to the foam release region, therefore whole main pipeline can often be filled by the foam concentrate. The drawbacks of the above mainstream solutions are evident:
firstly, as the whole main pipeline is filled with the foam liquid, the foam liquid is sprayed in a whole protection area without difference, and the foam liquid cannot be sprayed in a fire area and an area which is not affected by the fire area differently, so that a large amount of foam liquid is wasted;
secondly, because the whole main pipeline is filled with the foam liquid, and the foam liquid can erode the pipeline to a certain extent, the pipe network must be cleaned after use, which brings great waste of manpower and resources.
Aiming at the problems, the invention provides a foam fire extinguishing system with independent distributed control, which solves the problems that the spraying can not be carried out in disaster areas and the pipe network must be cleaned afterwards.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a foam fire extinguishing system with independent distribution control, which can store foam liquid in a suspension type foam storage and release device, has high foam release speed and does not pollute a pipe network. Meanwhile, due to the adoption of distribution control, the fire extinguishing agent can be released in a local area, so that the using amount of the fire extinguishing agent can be reduced, and fire extinguishing measures can be optimized. In the later maintenance and maintenance stage, the maintenance personnel can directly replace the front-end device, and the maintenance of devices such as a foam liquid storage tank and a proportional mixer is more rapid and convenient.
In order to achieve the aim, the invention designs a free-standing distributed control foam fire extinguishing system, which comprises a water supply system, a plurality of foam storage and release devices and a control system;
the water supply system comprises a fire pump for pumping an external water source and pressing the external water source into the foam storage and release device and a pipe network for supplying water to the system; the water inlet end of the fire pump is communicated with an external water source;
the foam storage and release device comprises a storage barrel, an electric control switch and a spray head; the storage barrel comprises a water inlet end and a foam outlet end; the water inlet end of the storage barrel is communicated with the water outlet end of the fire pump through a pipe network; a foam liquid storage device is arranged in the storage barrel and close to the water inlet end; the electric control switch comprises an electromagnetic valve for opening or closing the foam storage and release device; the inlet of the electromagnetic valve is connected with the foam outlet end of the foam storage and release device, and the outlet of the electromagnetic valve is connected with the spray head; the electric control switch also comprises an electric actuating mechanism for controlling the opening and closing actions of the electromagnetic valve;
the control system comprises a fire extinguishing controller and a fire detector; the fire extinguishing controller is electrically connected with the fire pump and sends an opening or closing signal to the fire pump; the fire extinguishing controller is also electrically connected with the electric actuating mechanism and sends an opening or closing signal to the electric actuating mechanism; the fire detector is electrically connected with the fire extinguishing controller and sends fire detection data to the fire detector.
Preferably, the water supply system further comprises a high level water tank for providing pressure water for the foam storage and release device; the water outlet end of the high-level water tank is communicated with the water inlet end of the storage barrel through the main pipe rubber pipe joint and the water flow indicating device in sequence.
Preferably, an inlet rubber pipe joint, a vacuum pressure gauge and an inlet stop valve are sequentially arranged between the fire pump and an external water source from the water inlet end of the fire pump;
an outlet rubber pipe joint, a pressure gauge, an electric control butterfly valve and an outlet stop valve are sequentially arranged between the fire pump and the main pipe rubber pipe joint from the water outlet end of the fire pump; the electric control butterfly valve is also electrically connected with the fire extinguishing controller, and receives and executes opening or closing signals from the fire extinguishing controller.
Preferably, a water test pipeline is connected to a water pipe between the electric control butterfly valve and the outlet stop valve; a water testing device for detecting the pressure of the pipe network and a water testing valve for controlling the on-off of the water testing pipeline are sequentially arranged on the water testing pipeline from a water testing water source.
Preferably, the control system comprises a camera for taking a fire video; the camera is electrically connected with the fire extinguishing controller, and the shot fire video is sent to the fire extinguishing controller.
Preferably, a foam mixing area is arranged between the foam liquid storage device and the foam outlet end of the storage barrel; the foam liquid storage device is separated from the foam mixing area by an openable rubber valve;
the water inlet end of the storage barrel is communicated with the foam mixing area through a pressure reducing pore plate.
Compared with the prior art, the invention has the following advantages:
1. the invention adopts distributed foam liquid storage, which not only simplifies the pipe network structure, but also greatly improves the utilization rate of the foam liquid.
2. According to the invention, the protection area is independently monitored and the fire is extinguished in a subarea mode, so that the fire area and the non-affected area are sprayed differently, and a large amount of foam liquid is saved.
3. The invention adopts the distributed foam liquid storage, only water flows in the pipe network without contacting the foam liquid, and the cleaning is not needed afterwards, thereby saving the manpower and the resources.
Drawings
FIG. 1 is a schematic diagram of a free-standing distributed control foam fire suppression system in an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an air purification unit in an embodiment of the present invention.
The corresponding relation between the reference numbers and the components in the figures is as follows: 1-inlet stop valve, 2-vacuum pressure gauge, 3-inlet rubber pipe joint, 4-fire pump, 5-outlet rubber pipe joint, 6-pressure gauge, 7-electric control butterfly valve, 8-water test valve, 9-water test device, 10-outlet stop valve, 11-head tank, 12-front side pipeline bracket shock absorber, 13-main pipe rubber pipe joint, 14-rear side pipeline bracket shock absorber, 15-water flow indicator, 16-foam storage releaser, 17-fire detector, 18-camera, 19-fire extinguishing controller, 20-storage barrel, 21-foam liquid storage device, 22-nozzle, 23-pressure reducing orifice plate, 24-foam mixing zone, 25-rubber valve, 26-electromagnetic valve, 27-an electric actuator, 28-a foam pressure gauge, 29-a left support frame and 30-a right support frame.
Detailed Description
The present invention is further illustrated by the following figures and specific examples, which are to be understood as illustrative only and not as limiting the scope of the invention, which are intended to be limiting upon the invention, and various equivalent modifications thereof will occur to those skilled in the art upon reading the present disclosure and fall within the scope of the appended claims.
As shown in fig. 1, the stand-alone distributed control foam fire suppression system includes a water supply system, and it also includes a number of foam storage and release devices 16 and a control system.
The water supply system includes a fire pump 4 for pumping an external water source and pressing into a foam storage and release device 16 and a pipe network for supplying water to the system.
The fire pump 4 is used for providing pressure water meeting the requirements of system flow, delivery lift and the like.
The water inlet end of the fire pump 4 is communicated with an external water source; an inlet rubber pipe joint 3, a vacuum pressure gauge 2 and an inlet stop valve 1 are sequentially arranged between the fire pump 4 and an external water source from the water inlet end of the fire pump 4; wherein:
the inlet stop valve 1 is used for cutting off the pipeline and the suction inlet when the system and the equipment are maintained, and prevents the pipe network from being full of water and influencing the maintenance of personnel.
The vacuum pressure gauge 2 is used for detecting the pressure at the pump inlet.
The inlet rubber pipe joint 3 is used for reducing vibration of a pump inlet pipeline, absorbing transverse, longitudinal and angular displacement generated by vibration of the pipeline and reducing noise generated by vibration of the pipeline, a water pump and the like.
An outlet rubber pipe joint 5, a pressure gauge 6, an electric control butterfly valve 7 and an outlet stop valve 10 are sequentially arranged between the fire pump 4 and the main pipe rubber pipe joint 13 from the water outlet end of the fire pump 4; wherein:
the outlet rubber pipe joint 5 is used for reducing the vibration of an outlet pipeline of the pump, absorbing the transverse, longitudinal and angular displacements generated by the vibration of the pipeline and reducing the noise generated by the vibration of the pipeline, the water pump and the like.
The pressure gauge 6 is used for detecting the pressure of the outlet of the pump.
The electric control butterfly valve 7 is used for combining the working condition of putting out a fire, and through the aperture of adjustment valve, adjusts the water pressure and the flow in the pipeline, prevents that flow or pressure in the pipeline are too big to damage equipment.
The outlet stop valve 10 is used for cutting off a pipeline, and is convenient for personnel to maintain a pipe network.
A front side pipeline bracket shock absorber 12 and a rear side pipeline bracket shock absorber 14 are respectively arranged on two sides of the main pipe rubber pipe joint 13; the two are completely the same and are arranged for reducing vibration of the pipe network, noise caused by vibration and damage of pipeline accessories caused by vibration.
A water test pipeline is connected to a water pipe between the electric control butterfly valve 7 and the outlet stop valve 10; a water testing device 9 for detecting the pressure of the pipe network and a water testing valve 8 for controlling the on-off of the water testing pipeline are sequentially arranged on the water testing pipeline from a water testing water source. The arrangement of the water testing device 9 is convenient for subsequent washing and water changing maintenance of the pipe network.
The water supply system also comprises a high-level water tank 11 for providing pressure water for the foam storage and release device 16; the water outlet end of the high-level water tank 11 is communicated with the water inlet end of the storage barrel 20 sequentially through the main pipe rubber pipe joint 13 and the water flow indicating device 15, so that the pipe network is ensured to be in a state of pressure, and foam can be released at any time. Wherein, rivers indicating device 15 is used for observing the rivers state, can send out the signal of telecommunication of rivers flow, feeds back to fire extinguishing controller 19, judges whether foam normally flows in the pipe network.
As shown in fig. 2, the foam storage and release device 16 is used for storing foam concentrate, mixing with water in the pipeline after being started, and releasing the foam concentrate to a protection area, and comprises a storage barrel 20, an electrically controlled switch and a spray head 22; the storage barrel 20 comprises a water inlet end and a foam outlet end; the water inlet end of the storage barrel 20 is communicated with the water outlet end of the fire pump 4 through a pipe network; a foam liquid storage device 21 is arranged in the storage barrel 20 and close to the water inlet end; a foam mixing area 24 is arranged between the foam liquid storage device 21 and the foam outlet end of the storage barrel 20; the foam liquid storage device 21 is separated from the foam mixing area 24 by an openable and closable rubber valve 25; the water inlet end of the storage barrel 20 is communicated with the foam mixing area 24 through a pressure reducing orifice plate 23.
The electrically controlled switch includes a solenoid valve 26 for opening or closing the foam storage and release device 16; the inlet of the electromagnetic valve 26 is connected with the foam outlet end of the foam storage and release device 16, and the outlet is connected with the spray head 22; the electronic control switch also comprises an electric actuator 27 for controlling the opening and closing of the solenoid valve 26.
The water enters the foam storage and release device 16 through the water inlet pipe, and after passing through the pressure reducing orifice plate 23, the pressure of the water is reduced, so that the upper and lower sides of the foam liquid storage device 21 are subjected to different water pressures, thereby releasing foam to be mixed with the water. After passing through the foam mixing zone 24, the foam and water are thoroughly mixed into a foam concentrate which is discharged through the spray head 22 via the foam pressure gauge 28 and the solenoid valve 26.
The foam pressure gauge 28 can measure the release pressure of the foam mixed liquid, transmit the pressure value to the fire extinguishing controller 19, and assist the operator to judge whether the release process is normal.
The solenoid valve 26 is controlled by an electric actuator 27 to control the opening and closing of the conduit.
The left and right supports 29 and 30 of the foam storage and release device 16 are used to hang and secure the foam storage and release device 16.
As shown in fig. 1, the control system includes a fire suppression controller 19 and a fire detector 17.
The fire extinguishing controller 19 is used for controlling the start and stop of the fire pump 4; is used for adjusting the electric control butterfly valve 7; for receiving a signal from the water flow indicating device 15; the fire alarm is used for receiving a fire signal of the fire detector 17 and sending out an acousto-optic alarm signal; the foam storage and release device 16 is controlled to open.
The fire extinguishing controller 19 is electrically connected to the fire pump 4 and sends an on or off signal to the fire pump 4.
The fire suppression controller 19 is also electrically connected to the electric actuator 27 and sends an on or off signal to the electric actuator 27.
The fire extinguishing controller 19 is also electrically connected with the electric control butterfly valve 7 and sends an opening or closing signal to the electric control butterfly valve 7.
The fire detector 17 is electrically connected to the fire extinguishing controller 19, and sends fire detection data to the fire detector 17. The fire detector 17 is used for fire detection and sends a fire signal to the fire extinguishing controller 19 to warn the person on duty of the fire.
The control system includes a camera 18 for capturing a video of the fire.
The camera 18 is electrically connected with the fire extinguishing controller, and shot fire video is sent to the fire extinguishing controller, so that the time for the personnel to patrol back and forth is shortened.
The fire extinguishing system has the following use method:
when a fire disaster happens in the protection area, the fire detector 17 is triggered, the fire detector 17 sends out an alarm signal to the fire extinguishing controller 19, and the fire extinguishing controller 19 sends out an acousto-optic signal after receiving the signal to prompt the fire disaster. After the person on duty confirms the condition of a fire, start foam storage release 16 and fire pump 4 above the fire area through fire extinguishing controller 19, pressurized water passes through the pipe network, enters into foam storage release 16, mixes with its foam of storing, releases to the fire area through shower nozzle 22 and accomplishes the fire control.
When a fire disaster happens to a plurality of protection areas, a plurality of foam storage and release devices 16 can be started, and the fire extinguishing controller 19 adjusts the opening of the electric control butterfly valve 7 through the number of the starting devices, so that the flow and the pressure of the system are controlled.
When testing or testing of the system is required, the water test device 9 can be used for simulated water spraying.
The camera 18 is used as an auxiliary observation device, and transmits the field situation video to the fire extinguishing controller 19, so that the operator on duty can judge the fire situation.
The high-level water tank 11 can ensure that the interior of the pipe network is in a pressurized state, and when the foam storage and release device 16 is started, the foam is released immediately.
Claims (6)
1. A free standing distributed control foam fire suppression system comprising a water supply system characterized by: it also comprises a plurality of foam storage and release devices (16) and a control system;
the water supply system comprises a fire pump (4) for pumping an external water source and pressing the external water source into the foam storage and release device and a pipe network for supplying water to the system; the water inlet end of the fire pump (4) is communicated with an external water source;
the foam storage and release device comprises a storage barrel (20), an electric control switch and a spray head (22); the storage barrel (20) comprises a water inlet end and a foam outlet end; the water inlet end of the storage barrel (20) is communicated with the water outlet end of the fire pump (4) through the pipe network; a foam liquid storage device (21) is arranged in the storage barrel (20) and close to the water inlet end; the electric control switch comprises a solenoid valve (26) for opening or closing the foam storage and release device; the inlet of the electromagnetic valve (26) is connected with the foam outlet end of the foam storage and release device, and the outlet of the electromagnetic valve is connected with the spray head (22); the electric control switch also comprises an electric actuating mechanism (27) for controlling the opening and closing actions of the electromagnetic valve (26);
the control system comprises a fire extinguishing controller (19) and a fire detector (17); the fire extinguishing controller (19) is electrically connected with the fire pump (4) and sends an opening or closing signal to the fire pump (4); the fire extinguishing controller (19) is also electrically connected with the electric actuating mechanism (27) and sends an opening or closing signal to the electric actuating mechanism (27); the fire detector (17) is electrically connected with the fire extinguishing controller (19) and sends fire detection data to the fire detector (17).
2. A freestanding, distributed control foam fire suppression system as recited in claim 1, wherein: the water supply system also comprises a high-level water tank (11) for providing pressure water for the foam storage and release device; the water outlet end of the high-level water tank (11) is communicated with the water inlet end of the storage barrel (20) sequentially through the main pipe rubber joint and the water flow indicating device (15).
3. A freestanding, distributed control foam fire suppression system as recited in claim 2, wherein: an inlet rubber pipe joint (3), a vacuum pressure gauge (2) and an inlet stop valve (1) are sequentially arranged between the fire pump (4) and an external water source from the water inlet end of the fire pump (4);
an outlet rubber pipe joint (5), a pressure gauge (6), an electric control butterfly valve (7) and an outlet stop valve (10) are sequentially arranged between the fire pump (4) and the main pipe rubber joint from the water outlet end of the fire pump (4); the electric control butterfly valve (7) is also electrically connected with the fire extinguishing controller (19) and receives and executes opening or closing signals from the fire extinguishing controller (19).
4. A freestanding, distributed control foam fire suppression system as recited in claim 3, wherein: a water test pipeline is also connected to a water pipe between the electric control butterfly valve (7) and the outlet stop valve (10); a water testing device (9) for detecting the pressure of the pipe network and a water testing valve (8) for controlling the on-off of the water testing pipeline are sequentially installed on the water testing pipeline from a water testing water source.
5. A freestanding, distributed-control, foam fire suppression system as recited in claim 4, wherein: the control system comprises a camera (18) for taking a fire video; the camera (18) is electrically connected with the fire extinguishing controller (19) and sends the shot fire video to the fire extinguishing controller (19).
6. A freestanding, distributed-control, foam fire suppression system as recited in claim 5, wherein: a foam mixing area (24) is arranged between the foam liquid storage device (21) and the foam outlet end of the storage barrel (20); the foam liquid storage device (21) is separated from the foam mixing area (24) by an openable and closable rubber valve (25);
the water inlet end of the storage barrel (20) is communicated with the foam mixing area (24) through a pressure reducing pore plate (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911166931.8A CN110882506B (en) | 2019-11-25 | 2019-11-25 | Independent distribution control foam fire extinguishing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911166931.8A CN110882506B (en) | 2019-11-25 | 2019-11-25 | Independent distribution control foam fire extinguishing system |
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| Publication Number | Publication Date |
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| CN110882506A CN110882506A (en) | 2020-03-17 |
| CN110882506B true CN110882506B (en) | 2021-04-30 |
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| CN201911166931.8A Active CN110882506B (en) | 2019-11-25 | 2019-11-25 | Independent distribution control foam fire extinguishing system |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111514503B (en) * | 2020-05-19 | 2021-12-03 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Separate water mist fire extinguishing device with dispersed arrangement |
| CN114053636A (en) * | 2021-11-18 | 2022-02-18 | 中国核电工程有限公司 | Fire-fighting equipment module |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2073311U (en) * | 1989-12-30 | 1991-03-20 | 王虎儒 | Waterpower air foam extinguisher |
| CA2081392A1 (en) * | 1992-10-26 | 1994-04-27 | Toshiharu Fukai | Nozzle for generating bubbles |
| JP2002291922A (en) * | 2001-03-30 | 2002-10-08 | Nohmi Bosai Ltd | Foam fire-extinguishing system and the same directly connected with water supply |
| US20090178812A1 (en) * | 2006-02-28 | 2009-07-16 | Jason David Solomon | Systems and methods using vacuum-induced mixing with a venturi nozzle |
| JP2008279157A (en) * | 2007-05-14 | 2008-11-20 | Nittan Co Ltd | Foam type fire extinguishing system |
| CN102949794B (en) * | 2012-11-12 | 2015-03-11 | 鞍钢集团工程技术有限公司 | Arrangement structure and fire extinguishing method of large-size high-expansion foam fire extinguishing system |
| CN207401040U (en) * | 2017-11-06 | 2018-05-25 | 广州昊信消防设备有限公司 | A kind of pressure type proportion mixing device |
| CN207898815U (en) * | 2018-01-21 | 2018-09-25 | 杭州新纪元安全产品有限公司 | A kind of high-expansion foam extinguishing system applied to the underground space |
| CN208145263U (en) * | 2018-02-07 | 2018-11-27 | 大连大兵救援装备有限公司 | Family kitchen fire-warning and extinguishing device |
| CN108434628B (en) * | 2018-04-16 | 2023-10-27 | 中铁建设集团有限公司 | Mobile fire-fighting system and method for unmanned mechanical garage |
| CN208511760U (en) * | 2018-06-07 | 2019-02-19 | 太原成安消防设备有限公司 | A kind of fire-fighting extinction by automatic sprinkling system |
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