CN104958859B - Compressed-air foam zonal control case - Google Patents
Compressed-air foam zonal control case Download PDFInfo
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- CN104958859B CN104958859B CN201510312576.6A CN201510312576A CN104958859B CN 104958859 B CN104958859 B CN 104958859B CN 201510312576 A CN201510312576 A CN 201510312576A CN 104958859 B CN104958859 B CN 104958859B
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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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- 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)
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Abstract
The present invention is compressed-air foam zonal control case, zonal control case can be distributed in large space fire prevention place, the corresponding branch pipe of each zonal control case is connected with for water conduit tube, foam solution output main pipe and supply main pipe respectively, therefore it can realize that zonal control and scene of fire produce the high speed reaction model of compressed-air foam immediately, greatly shorten time of delivery of the compressed-air foam in conveyance conduit, it can be responded rapidly to when occurring with fire, quick extinguishing, by the remarkable result in fire suppression stage in the early stage.
Description
Technical field
The invention belongs to fire-fighting automatic fire extinguishing system, is steeped more particularly, to a kind of compressed air suitable for large space fire extinguishing
Foam zonal control case.
Background technology
Compressed air foam extinguishing is a kind of novel foam extinguishing technology gradually to grow up in recent years, it be pass through to
The mode of positive pressure injection air produces foam in foam solution.Compressed-air foam compact structure, uniform, drainage time length, surely
Qualitative height, can be covered in the surface of protection object for a long time.With the water base fire-fighting technique phase such as existing water spray, foam-water spraying
Than compressed-air foam has following many outstanding advantages：(1) high to the fire extinguishing effectiveness of A classes fire and B classes fire, water consumption is small, fits
Preferably used in the place of water resources shortage；(2) foaming properties are stablized, and have good " accumulation covering " feature, suitably put out each
The three-dimensional fire of kind blocks fire, and the automobile fire such as with the fiery feature of A, B class mixing, can make it by way of covering
The fire extinguishing of internal and tire position anoxia asphyxia；(3) blow-off velocity is fast.Therefore, these are only possessed by compressed air foam extinguishing
Feature makes it possess the large space fire attack technical barriers such as solution fine chemistry industry garden, oil reservoir area, traffic tunnel
Advantage and potentiality.
In known technology, the operational mode of compressed-air foam automatic fire extinguishing system is that first centralized system is steeped for compressed air
Foam, then pipe network conveying, finally sprinkling release, therefore what is conveyed in all pipe network delivery pipes is foamed compressed air bubble
Foam.For example, Chinese patent CN202909347U discloses a kind of fixed compressed air foam fire-extinguishing apparatus, which first will
Foam solution is mixed with water, foam solution with air proportion, is formed compressed-air foam, is then carried out by main feedline
Foam conveys, then carries out sprinkling release by fixed pipe network and nozzle.
Above-mentioned compressed-air foam automatic fire extinguishing system there are compressed-air foam transmission pipeline network it is long the defects of, therefore from report
Length, system response are slower the time required to alert activation system to sprinkling foam, easily miss optimal fire extinguishing opportunity.
In addition, above-mentioned compressed-air foam automatic fire extinguishing system centralized system is for foam-generating device of compressed-air foam etc.
Critical piece is all concentrated on host so that system is huge, and occupied space is larger, to live topology layout, sky during actual installation
Between size requirements it is higher.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, and open one kind is suitable for fine chemistry industry garden, oil
The compressed-air foam zonal control case of the large spaces such as reservoir area, traffic tunnel fire extinguishing, which, which has, responds rapid, property
Can be reliable, fire extinguishing is efficient, use pattern is versatile and flexible outstanding advantages of.
The present invention takes following technical scheme to achieve the above object：A kind of compressed-air foam zonal control case, feature
That the zonal control case is distributed in area of fire protection, each zonal control case be respectively equipped with water supply branch pipe, foam solution inlet branch and
Gas manifold, the water supply branch pipe are connected with for water conduit tube, and water supply branch pipe is connected with the first Signal butterfly bamper and deluge valve in turn,
The valve outlet that drenches with rain is connected to foam proportioner water inlet；The foam of the foam solution inlet branch and foam solution storage tank
Liquid output main pipe is connected, and foam solution inlet branch is connected with the first solenoid valve and the first check valve in turn, first solenoid valve
Equipped with emergency starting handle, which is connected with foam proportioner foam solution import, and the froth ratio mixes
Inlet of the clutch outlet respectively with gas-liquid ratio adjusting valve and air and liquid mixer is connected；The gas manifold and supply source of the gas
Main pipe is connected, and gas manifold output terminal is connected with the air inlet of gas-liquid ratio adjusting valve, the outlet of gas-liquid ratio adjusting valve
Second solenoid valve and the second check valve are sequentially connected, the second solenoid valve is equipped with emergency starting handle, second check valve
It is connected with the air inlet of air and liquid mixer, the outlet of the air and liquid mixer is connected with compressed-air foam relieving mechanism,
The deluge valve, the gentle liquid proportional of the first solenoid valve of foam solution inlet branch connection adjust the second solenoid valve of valve outlet connection
Its automatically controlled end is connected with the control terminal of fire alarm control unit.
The present invention can also take following technical measures：
The outlet of the air and liquid mixer is equipped with the secondary signal butterfly valve being connected with compressed-air foam relieving mechanism.
The outlet of the air and liquid mixer is connected with foam debugging pipeline, and foam debugging pipeline is equipped with ball valve.
Hydraulic pressure in the water supply branch pipe is 0.3~1.6Mpa.
Foam hydraulic coupling in the foam solution inlet branch is 0.3~1.6Mpa.
Gas pressure in the gas manifold is 0.3~1.6Mpa.
Advantages and advantages of the invention are：
1st, this subregion control cabinet can be distributed in the fire prevention scene of large space, the corresponding branch pipe difference of each zonal control case
It is connected with for water conduit tube, the foam solution output main pipe of foam solution storage tank and supply source of the gas main pipe, therefore can realizes subregion
Control and scene of fire produce the fast reaction function of compressed-air foam immediately, greatly shorten compressed-air foam and are conveying
Time of delivery in pipeline, can respond rapidly to, quick extinguishing when there is fire to occur, aobvious by fire suppression stage in the early stage
Write effect.
2nd, due to this subregion control cabinet, centralized system is not for compressed-air foam, and zonal control box structure is compact, volume
It is small, therefore occupy little space, installation convenience, using flexible.
3rd, since this subregion control cabinet can produce compressed-air foam at the scene that fire occurs and avoid defeated over long distances
Send, therefore can be without considering the compressed-air foam pipeline hydraulic calculation problem of biphase gas and liquid flow, so as to solve compressed air
The engineering design problem that foam fire extinguishing technique is applied in large space；
4th, there is this subregion control cabinet automatic start and on-site manual to start two kinds of start-up modes, if fire alarming and controlling
Device sets emergency starting function to have emergency starting pattern, and either fire alarm control unit finds fiery trouble automatically, or
Person is that operator on duty and Field Force have found that fire is suffered from, and can start the present apparatus in time, and then ensure that the reliability of fire extinguishing.
5th, this subregion control cabinet can be with compressed-air foam nozzle, compressed-air foam rifle, compressed-air foam big gun etc.
Connection, is answered with various modes such as compressed-air foam automatic spray, compressed-air foam bolt housing, compressed-air foam big guns
With.
Brief description of the drawings
Attached drawing 1 is zonal control box structure schematic diagram.
Attached drawing 2 is gas-liquid ratio adjusting valve example structure schematic diagram.
Marked in figure：1 housing, 2 water supply branch pipes, 3 first Signal butterfly bampers, 4 deluge valves, 5 foam solution inlet branch, 6 first
Solenoid valve, 7 first check valves, 8 foam proportioners, 9 gas manifolds, 10 gas-liquid ratio adjusting valves, 10-1 counter balance pockets, 10-2
Left valve deck, 10-3 left chamber, 10-4 inlets, 10-5 rubber diaphragms, 10-6 attachment screws, 10-7 right chambers, 10-8 stomatas,
10-9 spools, the right valve decks of 10-10,10-11 gas accesses, 10-12 valve seats, 10-13 adjusting screws, 10-14 springs, 10-15 streams
Amount regulation room, 10-16 gas vents, 11 second solenoid valves, 12 second check valves, 13 air and liquid mixers, 14 secondary signal butterfly valves,
15 compressed-air foam efferent ducts, 16 ball valves, 17 foams debugging pipeline.
Embodiment
The present invention is further illustrated with reference to embodiment and its attached drawing.
Zonal control case as shown in Figure 1 is distributed in area of fire protection, and water supply is respectively equipped with the housing 1 of each zonal control case
Branch pipe 2, foam solution inlet branch 5 and gas manifold 9.
Water supply branch pipe 2 is connected with for water conduit tube, and water supply branch pipe is connected with the first Signal butterfly bamper 3 and deluge valve 4 in turn, should
The outlet of deluge valve 4 is connected to 8 water inlet of foam proportioner.
The foam solution output main pipe of foam solution inlet branch 5 and foam solution storage tank is connected, foam solution inlet branch 5 according to
Secondary to be connected with the first solenoid valve 6 and the first check valve 7, which is equipped with emergency starting handle, first check valve 7
Be connected with 8 foam solution import of foam proportioner, foam proportioner 8 export respectively with gas-liquid ratio adjusting valve 10 and
The inlet of air and liquid mixer 13 is connected.Foam proportioner can select existing inline inductor or balanced type
The mixing ratio adjustable range of proportioner, foam solution and water is 0.5%~6%, such as SPHZ types balance cylinder proportioner.
Gas manifold 9 is connected with supply source of the gas main pipe, the air inlet of 9 output terminal of gas manifold and gas-liquid ratio adjusting valve 10
Mouth is connected, and the outlet of gas-liquid ratio adjusting valve 10 is sequentially connected 11 and second check valve 12 of second solenoid valve, second solenoid valve
11 are equipped with emergency starting handle, and the second check valve 12 is connected with the air inlet of air and liquid mixer 13.
The compressed-air foam efferent duct 15 of the outlet of air and liquid mixer 13 is equipped with and compressed-air foam relieving mechanism phase
The secondary signal butterfly valve 14 of connection, compressed-air foam relieving mechanism uses prior art products, such as compressed-air foam nozzle
Or compressed-air foam rifle or compressed-air foam big gun.
The outlet of air and liquid mixer 13 is also associated with foam debugging pipeline 17, and foam debugging pipeline is equipped with ball valve 16.Bubble
The detection that foam debugging pipeline 17 is used for zonal control case is debugged.
The 6 gentle liquid proportional regulating valve 10 of the first solenoid valve that deluge valve 4, foam solution inlet branch 5 in Fig. 1 connect exports
Its automatically controlled end of the second solenoid valve 11 of connection is connected with the control terminal of fire alarm control unit (not shown).
First, second Signal butterfly bamper in Fig. 1 uses existing fire-fighting signal butterfly valve, such as ZSDF type fire-fighting signal butterfly valves.
The hydraulic pressure in water supply branch pipe 2 in Fig. 1 is 0.3~1.6Mpa.Foam hydraulic coupling in foam solution inlet branch 5 is
0.3~1.6Mpa, the gas pressure in gas manifold 9 is 0.3~1.6Mpa.
The gas pressure in the foam hydraulic coupling and gas manifold 9 in foam solution inlet branch 5 should all in practical applications
Higher than the hydraulic pressure in water supply branch pipe 2, pressure differential should be at least controlled in 0.01Mpa.
The supply source of the gas that this subregion control cabinet is related to can be air compressor or gas cylinder bottle group.
Its structure type is many in the prior art for gas-liquid ratio adjusting valve 10 shown in Fig. 1, and the present embodiment uses such as Fig. 2
Shown structure type.
In Fig. 2, gas-liquid ratio adjusting valve 10 is direct-operated regulator, by balance chamber 10-1 and flow-rate adjustment room 10-15
Two parts form, and balance chamber is divided to for the two independent chambers in left and right, the left valve deck 10- of left chamber 10-3 by rubber diaphragm 10-5
2 are equipped with inlet 10-4, which communicates and provide with the foam solution pipeline that foam proportioner in Fig. 18 exports
Foam solution pressure, the right valve deck 10-10 of right chamber 10-7 is connected by screw thread with flow-rate adjustment room 10-15, in right valve deck 10-
10 are equipped with the stomata 10-8 communicated with flow-rate adjustment room.Spool 10-9, valve seat 10-12 and spring are equipped with flow-rate adjustment room
10-14, spool left part are articulated and connected with rubber diaphragm 10-5 centres, and the bullet of spool right part is with being fixed on flow
Spring 10-14 in regulation room is fixedly connected, and adjusting screw 10-13 is engaged with spring 10-14.Can by adjusting screw 10-13
Make moving left and right for spool, so that change the annular space of spool right part bullet and valve seat 10-12, and then according to foam solution pressure
The ratio of power adjusting gas flow and fluid flow.When foam solution pressure increases rubber diaphragm 10-5 promote spool 10-9 to
Move right, increase the annular space between the bullet of spool and valve seat 10-12, gas flow accordingly increases, and then ensures gas
Flow and fluid flow ratio substantially constant, it is ensured that compressed-air foam has superperformance.Conversely, when foam solution pressure and
When flow declines, the foam hydraulic coupling in left valve chamber declines, and rubber diaphragm 10-5 pulls on spool 10-9 and is moved to the left, and makes spool
Bullet and valve seat between annular space reduce, gas flow accordingly reduces, and then ensures gas flow and fluid flow ratio
Substantially constant, it is ensured that compressed-air foam has superperformance.Left valve deck 10-2 in Fig. 2 is with right valve deck 10-10 by being connected spiral shell
Nail 10-6 is connected and fixed, and gas-liquid ratio adjusting valve has gas access 10-11 and gas vent 10-16.
Operation principle of the invention described briefly below：It is daily, the water supply branch pipe of zonal control case, foam solution inlet branch, confession
Each medium maintains setting pressure in gas branch pipe, and first, second Signal butterfly bamper 4 is in normally open position, deluge valve, first, second electricity
Magnet valve is in normally closed position, and each Signal butterfly bamper, deluge valve, each solenoid signal line are connected with fire alarm control unit control terminal,
The ball valve of foam debugging pipeline is closed.When fire occurs, alarm controller starts deluge valve and first, second electromagnetism immediately
Valve, the pressure water in feed pipe enter foam proportioner water inlet, the foam solution of foam solution inlet branch by deluge valve
Enter the foam solution entrance of foam proportioner through the first solenoid valve, the foam that water and foam solution are formed after mixing in proportion is molten
Liquid is divided into two branches, is passed through the liquid inlet of air and liquid mixer all the way, and another way is passed through the inlet of gas-liquid ratio adjusting valve
Foam solution pressure is provided for it, gas of the gas-liquid ratio adjusting valve after the adjustment of gas-liquid ratio adjusting valve injects air and liquid mixer
Mixed with foam solution according to setting ratio, the compressed air bubble of compressed-air foam is formed after air and liquid mixer is sufficiently mixed
The compressed-air foam that foam efferent duct provides qualification for compressed-air foam release device implements fire extinguishing.When staff has found fire
During calamity, emergency starting can be carried out by fire alarm control unit, when Field Force has found fire, deluge valve can also be passed through
Emergent pneumatic operated valve, the emergency starting handle of first, second solenoid valve manually boots.
The zonal control case of the present invention can be with compressed-air foam nozzle, compressed-air foam rifle, compressed-air foam
Big gun etc. connects, and is given with various modes such as compressed-air foam automatic spray, compressed-air foam bolt housing, compressed-air foam big guns
Using.
Claims (5)
1. compressed-air foam zonal control case, it is characterised in that：The zonal control case is distributed in area of fire protection, each subregion control
Case processed is respectively equipped with water supply branch pipe, foam solution inlet branch and gas manifold, and the water supply branch pipe is connected with for water conduit tube, supplies
Water branch pipe is connected with the first Signal butterfly bamper and deluge valve in turn, which is connected to foam proportioner water inlet；
The foam solution inlet branch is connected with the foam solution output main pipe of foam solution storage tank, and foam solution inlet branch is sequentially connected
There are the first solenoid valve and the first check valve, which is equipped with emergency starting handle, first check valve and froth ratio
Mixer foam solution import is connected, foam proportioner outlet respectively with gas-liquid ratio adjusting valve and air and liquid mixer
Inlet be connected；The gas manifold is connected with supply source of the gas main pipe, gas manifold output terminal and gas-liquid proportion adjustment
The air inlet of valve is connected, and the outlet of gas-liquid ratio adjusting valve is sequentially connected second solenoid valve and the second check valve, and described second
Solenoid valve is equipped with emergency starting handle, and second check valve is connected with the air inlet of air and liquid mixer, the gas-liquid mixed
The outlet of device is connected with compressed-air foam relieving mechanism, the deluge valve, the first electromagnetism of foam solution inlet branch connection
Its automatically controlled end of second solenoid valve that the gentle liquid proportional of valve adjusts valve outlet connection is connected with the control terminal of fire alarm control unit,
The outlet of the air and liquid mixer is equipped with the secondary signal butterfly valve being connected with compressed-air foam relieving mechanism, and the gas-liquid is mixed
The outlet of clutch is connected with foam debugging pipeline, and foam debugging pipeline is equipped with ball valve.
2. compressed-air foam zonal control case according to claim 1, it is characterised in that：The gas-liquid ratio adjusting valve
It is direct-operated regulator, is made of balance chamber and flow-rate adjustment room two parts, balance chamber is divided into left and right two by rubber diaphragm
A independent chamber, the left valve deck of left chamber are equipped with inlet, and the inlet and the foam that foam proportioner exports are molten
Liquid pipe road communicates and provides foam solution pressure, and the right valve deck of right chamber is connected by screw thread with flow-rate adjustment room, in right valve deck
The stomata communicated with flow-rate adjustment room is equipped with, spool, valve seat and spring, spool left part and rubber are equipped with flow-rate adjustment room
Glue film centre is articulated and connected, and the bullet of spool right part is fixedly connected with the spring being fixed on flow-rate adjustment room,
Adjusting screw is engaged with spring.
3. compressed-air foam zonal control case according to claim 1, it is characterised in that：Water in the water supply branch pipe
Press as 0.3~1.6Mpa.
4. compressed-air foam zonal control case according to claim 1, it is characterised in that：The foam solution inlet branch
Interior foam hydraulic coupling is 0.3~1.6Mpa.
5. compressed-air foam zonal control case according to claim 1, it is characterised in that：It is characterized in that：The confession
Gas pressure in gas branch pipe is 0.3~1.6Mpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510312576.6A CN104958859B (en) | 2015-06-09 | 2015-06-09 | Compressed-air foam zonal control case |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510312576.6A CN104958859B (en) | 2015-06-09 | 2015-06-09 | Compressed-air foam zonal control case |
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| Publication Number | Publication Date |
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| CN104958859A CN104958859A (en) | 2015-10-07 |
| CN104958859B true CN104958859B (en) | 2018-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510312576.6A Active CN104958859B (en) | 2015-06-09 | 2015-06-09 | Compressed-air foam zonal control case |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114470572B (en) * | 2022-01-04 | 2022-11-15 | 九江中船长安消防设备有限公司 | Compressed air foam multi-fluid foaming module with fixed pipe network structure and forming method thereof |
| CN114733106A (en) * | 2022-04-02 | 2022-07-12 | 山西潞安环保能源开发股份有限公司 | Automatic foam injection system and method for preventing and controlling cutting sparks of coal mining machine |
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| CN2903388Y (en) * | 2006-05-18 | 2007-05-23 | 亚泰(上海)消防技术研发有限公司 | Foam spraying controlling valve set special for tunnel |
| CN201492849U (en) * | 2009-07-28 | 2010-06-02 | 南京消防器材股份有限公司 | General foam rain control valve bank |
| CN103505836A (en) * | 2013-10-17 | 2014-01-15 | 中国人民武装警察部队学院 | Oil tank fire alarm and fire extinguishing system |
| EP2703917A1 (en) * | 2012-09-03 | 2014-03-05 | Minimax GmbH & Co KG | Electronic control cabinet for electric sprinkler pumps and method for monitoring and controlling extinguishing system components |
| CN103638626A (en) * | 2013-12-24 | 2014-03-19 | 河南海力特机电制造有限公司 | High-pressure fine water mist coaxial type partitioning control valve box |
-
2015
- 2015-06-09 CN CN201510312576.6A patent/CN104958859B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2903388Y (en) * | 2006-05-18 | 2007-05-23 | 亚泰(上海)消防技术研发有限公司 | Foam spraying controlling valve set special for tunnel |
| CN201492849U (en) * | 2009-07-28 | 2010-06-02 | 南京消防器材股份有限公司 | General foam rain control valve bank |
| EP2703917A1 (en) * | 2012-09-03 | 2014-03-05 | Minimax GmbH & Co KG | Electronic control cabinet for electric sprinkler pumps and method for monitoring and controlling extinguishing system components |
| CN103505836A (en) * | 2013-10-17 | 2014-01-15 | 中国人民武装警察部队学院 | Oil tank fire alarm and fire extinguishing system |
| CN103638626A (en) * | 2013-12-24 | 2014-03-19 | 河南海力特机电制造有限公司 | High-pressure fine water mist coaxial type partitioning control valve box |
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| CN104958859A (en) | 2015-10-07 |
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Address after: No. 110 Wei Jinnan Road, Nankai District, Tianjin Patentee after: Tianjin Institute of Fire Protection, Ministry of Emergency Management Address before: No. 110 Wei Jinnan Road, Nankai District, Tianjin Patentee before: Tianjin Fire Fighting Inst., Ministry of Public Security |
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