CN104324470A - Water base foam fire extinguishing device based on fire fighting water in fire hydrant - Google Patents
Water base foam fire extinguishing device based on fire fighting water in fire hydrant Download PDFInfo
- Publication number
- CN104324470A CN104324470A CN201410576623.3A CN201410576623A CN104324470A CN 104324470 A CN104324470 A CN 104324470A CN 201410576623 A CN201410576623 A CN 201410576623A CN 104324470 A CN104324470 A CN 104324470A
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- Prior art keywords
- water
- fire
- foam
- extinguishing device
- water source
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C27/00—Fire-fighting land vehicles
-
- 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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- 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 a water base foam fire extinguishing device based on fire fighting water in a fire hydrant. The water base foam fire extinguishing device comprises a fire fighting pump provided with a foam proportion mixer, and a water inlet connector connected with the fire hydrant, wherein a water source control device is connected between the water inlet connector and the fire fighting pump; the water source control device comprises a water source storage tank which is connected with a water source water inlet pipe and a water source water outlet pipe; the water source storage tank is internally provided with a liquid level meter; and the liquid level meter is used for controlling a water inlet solenoid valve on the water source water inlet pipe to be switched on and off. According to the water base foam fire extinguishing device, the fire fighting water with unstable pressure and flow speed in the fire hydrant is changed into water with uniform pressure and flow speed by the water source storage tank by virtue of the water source control device, so that the stability of the pressure and flow speed of the output water of the fire fighting water is ensured and the working condition requirements on the water are met in a process of forming a foam mixed solution by the foam proportion mixer; and finally, a water base foam fire extinguishing liquid based on the fire fighting water in the fire hydrant is formed by the mixing of the fire fighting pump.
Description
Technical field
The present invention relates to a kind of fire fighting extinguisher, particularly relate to a kind of water base foam extinguishing device based on fire water in fire hydrant.
Background technology
At present because factor fire that is humane, environment takes place frequently, diversification, the burning velocity of loading of particularly burning are fast, spread rapidly, and cause fire generation scale large, loss is serious, puts out many unfavorable factors such as difficulty.Be fire fighting truck and fire hydrant for existing main continuation fire-extinguishing apparatus, fire fighting truck due to volume large, road is not smooth, narrow often causes the slow phenomenon of rescue, and fire fighting truck cost, and maintenance cost is high, does not possess the possibility that universalness in enormous quantities is equipped with.Due to it, distributivity and water supply capacity lasting at any time have become a kind of important extinguishing device to fire hydrant widely, have the characteristics such as high pressure instability it only can as the fire-extinguishing apparatus of category-A fire due to fire hydrant fire water out, and the fire extinguishing scope of application and raising extinguishing property how to expand fire water in fire hydrant are the objects that those skilled in the art study always.In addition fire fighting truck is maximized the many disadvantages caused, how to be formed a kind of small-sized, fast reserve can be realized, and to possess the continuation fire extinguishing system effectively putting out diversification fire be also object in the urgent need to research.
The Chinese utility model patent patent No. 201420121059.1 discloses a kind of mobile emergency fire plant, comprises water tank and moving carriage, and water tank is a tubular structure, and water tank is provided with inner bag and shell, is provided with foam heat-insulation layer between inner bag and shell; The top of water tank is provided with water filling port and tender filling hole cover, and bottom is provided with a fire hydrant near tank bottom, is provided with a small pump in water tank, and the delivery port of small pump is connected with fire hydrant; Moving carriage comprises a base and a support, is provided with two rollers and a supporting leg in the bottom of base; Support comprises two vertical poles, is connected between two vertical poles by connecting rod; Two vertical poles of support and the plane orthogonal of base, the lower end of vertical pole is fixedly connected with base, and upper end connects an outward-dipping handrail respectively; Tank body retaining-plate is also provided with between two vertical poles; Water tank is placed on the base of described moving carriage, and the side of water tank is supported on tank body retaining-plate.This kind of mobile emergency fire plant its not about the technical clarification or the solution that expand fire water fire extinguishing type in fire hydrant.
Summary of the invention
The invention provides a kind of water base foam extinguishing device based on fire water in fire hydrant with lasting extinguishing ability.This kind of water base foam extinguishing device expands fire water fire extinguishing type in fire hydrant, makes fire water can put out category-A, category-B fire.
Based on a water base foam extinguishing device for fire water in fire hydrant, comprise the fire pump being provided with foam proportioner and the water supply connector connecting fire hydrant, between described water supply connector and fire pump water inlet, be connected with water source control device; Described water source control device comprises the water source storage tank being connected with water source water inlet pipe and water source outlet pipe, is provided with liquid level gauge in water source storage tank, and liquid level gauge controls the entering water electromagnetic valve switch be located on water source water inlet pipe.Pressure in fire hydrant, the equal unstable fire water of flow velocity are changed into pressure, the uniform water of flow velocity by water source storage tank based on the water base foam extinguishing device of fire water in fire hydrant by water source control device by this kind, guarantee the stability of fire pump discharge pressure, flow velocity thus, making it meet foam proportioner forming the working condition requirement for water in foam mixing liquid process, being mixed to form the water base foam extinguishing fluid based on fire water in fire hydrant eventually through fire pump.
Water base foam extinguishing fluid is a kind of high-efficiency fire-extinguishant, and it relies on the double action of foam and moisture film to put out a fire rapidly, and use safety is the optimal extinguishing chemical of current substituted chemistry fire foam.Mainly be applicable to the fire putting out flammable solid (category-A), flammable liquid (category-B).Its quick extinguishing principle is that the foam that water base foam extinguishing fluid produces in fire extinguishing procedure can separate out moisture content, forms moisture film, by itself and air insulated at fuel surface; And have remarkable mobility, thus suppress the intensity of a fire fast, stamp out a fire.It has the closed performance of long period simultaneously, namely has the advantage that fire-resistance flame flashes back.
Utilize fire hydrant extinguishing device for traditional structure, it does not possess the possibility of water base foam fire extinguishing completely.First water source of the present invention storage tank is not common water source storage tank, which overcome traditional water source storage tank cannot with the technical barrier of fire water adaptation in fire hydrant, be specially that fire water in water source storage tank that liquid level gauge structure prevents fire water from causing due to high pressure, fast flow velocity is overflowed, the technical problem such as dry.Secondly because liquid level gauge to possess the control ability of entering water electromagnetic valve switch to regulate the inflow of fire water, the technique effect keeping water level in water source storage tank in fire extinguishing procedure is reached.
Filter is provided with between described water source water inlet pipe and water supply connector, described filter comprises the expansion tube connecting water source water inlet pipe and water supply connector respectively, be provided with filter screen between two expansion tubes, prevented the technical problems such as the flow reduction caused because of filter screen by expanding increase flow.
Described water source water inlet pipe is parallel with the branch pipe(tube) of one or more, is provided with entering water electromagnetic valve in branch pipe(tube), this kind of branch pipe(tube) structure avoids single entering water electromagnetic valve fault on water source water inlet pipe, and what cause cannot water supply problem.Branch pipe(tube) structure is also the increase in the flow that fire water enters water source storage tank on the other hand, guarantees the supply at water source in fire extinguishing procedure.
Described its foam mixing liquid of the fire pump being provided with foam proportioner is supplied by foams mix liquid supply unit; Described foams mix liquid supply unit comprises fire foam holding vessel, fire foam holding vessel connects foam proportioner by conveyance conduit, foam proportioner mixing fire water and fire foam form foam mixing liquid, connect fire pump by foam mixing liquid efferent duct.Fire foam holding vessel can be provided with the necessary technology structures such as filling opening, liquid level charactron, steam vent.Owing to there being a large amount of fire foam stoste in fire foam holding vessel, achieve the continuation of fire extinguishing.
Be provided with the liquid level charactron being communicated with fire foam holding vessel internal foam extinguishing chemical outside described fire foam holding vessel, be convenient to add fire foam in time.
Three-way switch valve is provided with as the preferred conveyance conduit of structure, three-way switch valve comprises crossing straight pipeline and branch pipe(tube), straight pipeline is communicated with conveyance conduit, branch pipe(tube) is connected with self-priming flexible pipe, the self-priming flexible pipe other end is provided with porous metals pipe, is reached more for a long time, more lasting extinguishing effect by the fire foam in the porous metals coupling systems for tubes external world.
Described water base foam extinguishing device is all located on mobile platform, and mobile platform comprises base plate and is located at the pulley bottom base plate, realizes the travelling performance of whole water base foam extinguishing device, overcomes fire fighting truck and to maximize the technology drawback caused.
Described mobile platform is placed in casing, and casing is located on delivery vehicle; Described delivery vehicle is the car of three-wheel or four-wheel, realizes the long distance of water base foam extinguishing device of the present invention, flexible property.
Casing automatic handling device is provided with as the preferred car of structure; Described automatic handling device comprises turning arm, turning arm one end to be connected casing by hook, the other end is connected the chute be located on car, turning arm is connected with telescopic cylinder or hydraulic cylinder, by telescopic cylinder or Driven by Hydraulic Cylinder turning arm along runner movement, turning arm is made to occur rotating in the process of movement and reach the technical purpose putting down or mention casing.This kind of certain casing automatic handling device is only a kind of preferred structure of the present invention, any based on the automatic handling device for casing of the present invention all in protection scope of the present invention.
Described bottom half is provided with the roller that guide rail is connected on delivery vehicle, is convenient to the upper and lower car of casing.
Pressure in fire hydrant, the equal unstable fire water of flow velocity are changed into pressure, the uniform water of flow velocity by water source storage tank by water source control device by the present invention, guarantee the stability of fire pump discharge pressure, flow velocity thus, making it meet foam proportioner forming the working condition requirement for water in foam mixing liquid process, being mixed to form the water base foam extinguishing fluid based on fire water in fire hydrant eventually through fire pump.
Accompanying drawing explanation
Fig. 1 is the water base foam extinguishing device perspective view that the present invention is based on fire water in fire hydrant;
Fig. 2 is the structural representation that the water base foam extinguishing device that the present invention is based on fire water in fire hydrant is located on delivery vehicle;
Fig. 3 is water source of the present invention control device structure principle chart.
Detailed description of the invention
As shown in Figure 1, 2, 3, a kind of water base foam extinguishing device based on fire water in fire hydrant of the present invention, comprise the fire pump 3 being provided with foam proportioner 15 and the water supply connector 7 connecting fire hydrant, between water supply connector 7 and fire pump water inlet, be connected with water source control device.Water source control device comprises the water source storage tank 1 being connected with water source water inlet pipe 22 and water source outlet pipe 17, is provided with liquid level gauge 20 in water source storage tank 1, and liquid level gauge 20 controls the entering water electromagnetic valve switch 19 be located on water source water inlet pipe 22.Water source display tube 16 is provided with outside water source storage tank 1.As preferred structure water source water inlet pipe 22 being parallel with one or more branch pipe(tube), in branch pipe(tube), be provided with entering water electromagnetic valve.Certainly in order to control the water yield of water source storage tank 1, water source outlet pipe 17 is provided with out water solenoid valve, the switch going out water solenoid valve also can be controlled by liquid level gauge 20 and realize intelligent switch by hand switch.
In order to prevent impurity from entering, be provided with filter 18 between water source water inlet pipe and water supply connector, filter 18 comprises the expansion tube connecting water source water inlet pipe 22 and water supply connector 7 respectively, is provided with filter screen between two expansion tubes.
Its foam mixing liquid of fire pump 3 being provided with foam proportioner 15 is supplied by foams mix liquid supply unit.Foams mix liquid supply unit comprises fire foam holding vessel 2, fire foam holding vessel 2 connects foam proportioner 15 by conveyance conduit, foam proportioner 15 mixes fire water and fire foam forms foam mixing liquid, connects fire pump 3 by foam mixing liquid efferent duct.The fire water that foam mixing liquid and fire pump water inlet enter mixes by fire pump 3 again, and the final water base foam mixing extinguishing fluid that formed is sprayed by the drain pipe 6 of fire pump, and drain pipe 6 can connect fire-fighting lance by pipe racks.Be provided with control valve as preferred structure foam mixing liquid efferent duct, realize the selectivity of whether carrying out foam fire-fighting by the opening and closing of control valve.Fire pump 3 of the present invention also can directly be drawn natural water source by fire pump water inlet 21 and carry out fire water fire extinguishing or carry out water base foam fire extinguishing by the foam mixing liquid in foam mixing liquid efferent duct.Conveyance conduit is provided with three-way switch valve, three-way switch valve comprises crossing straight pipeline and branch pipe(tube), straight pipeline is communicated with conveyance conduit, branch pipe(tube) is connected with self-priming flexible pipe, the self-priming flexible pipe other end is provided with porous metals pipe, is reached more for a long time, more lasting extinguishing effect by the fire foam in the porous metals coupling systems for tubes external world.
As being provided with the liquid level charactron being communicated with fire foam holding vessel internal foam extinguishing chemical outside preferred structure fire foam holding vessel, facilitate timely liquid feeding.
In order to improve the quick travelling performance of water base foam extinguishing device of the present invention, water base foam extinguishing device entirety is all located on mobile platform, mobile platform comprises base plate 8 and is located at the pulley 4 bottom base plate 8, slided by the pulley 4 of mobile platform and reach the technical purpose of whole water base foam extinguishing device movement, greatly facilitate the selection of fire extinguishing position.
In order to improve the remote travelling performance fast of water base foam extinguishing device of the present invention further, mobile platform is placed in casing, and casing is located on delivery vehicle.Delivery vehicle is the car 9 of three-wheel or four-wheel, and certain delivery vehicle also can be other transit equipments.
The car 9 of three-wheel or four-wheel is provided with casing automatic handling device.Automatic handling device comprises turning arm 11, and turning arm 11 one end to be connected casing 14 by hook, and the other end is connected the chute be located on car, turning arm 11 is connected with telescopic cylinder or hydraulic cylinder 10.The roller 12 that guide rail 13 is connected on delivery vehicle is provided with bottom casing 14.Automatic handling device integral installation is on delivery vehicle chassis.
Claims (10)
1. the water base foam extinguishing device based on fire water in fire hydrant, comprise the fire pump being provided with foam proportioner and the water supply connector connecting fire hydrant, it is characterized in that: between described water supply connector and fire pump water inlet, be connected with water source control device; Described water source control device comprises the water source storage tank being connected with water source water inlet pipe and water source outlet pipe, is provided with liquid level gauge in water source storage tank, and liquid level gauge controls the entering water electromagnetic valve switch be located on water source water inlet pipe.
2. as claimed in claim 1 based on the water base foam extinguishing device of fire water in fire hydrant, it is characterized in that: between described water source water inlet pipe and water supply connector, be provided with filter, described filter comprises the expansion tube connecting water source water inlet pipe and water supply connector respectively, is provided with filter screen between two expansion tubes.
3., as claimed in claim 1 based on the water base foam extinguishing device of fire water in fire hydrant, it is characterized in that: the branch pipe(tube) described water source water inlet pipe being parallel with one or more, is provided with entering water electromagnetic valve in branch pipe(tube).
4., as claimed in claim 1 based on the water base foam extinguishing device of fire water in fire hydrant, it is characterized in that: described its foam mixing liquid of the fire pump being provided with foam proportioner is supplied by foams mix liquid supply unit; Described foams mix liquid supply unit comprises fire foam holding vessel, fire foam holding vessel connects foam proportioner by conveyance conduit, foam proportioner mixing fire water and fire foam form foam mixing liquid, connect fire pump by foam mixing liquid efferent duct.
5. as claimed in claim 4 based on the water base foam extinguishing device of fire water in fire hydrant, it is characterized in that: outside described fire foam holding vessel, be provided with the liquid level charactron being communicated with fire foam holding vessel internal foam extinguishing chemical.
6. as claimed in claim 4 based on the water base foam extinguishing device of fire water in fire hydrant, it is characterized in that: described conveyance conduit is provided with three-way switch valve, three-way switch valve comprises crossing straight pipeline and branch pipe(tube), straight pipeline is communicated with conveyance conduit, branch pipe(tube) is connected with self-priming flexible pipe, the self-priming flexible pipe other end is provided with porous metals pipe.
7. the water base foam extinguishing device based on fire water in fire hydrant as described in as arbitrary in Claims 1-4, it is characterized in that: described water base foam extinguishing device is all located on mobile platform, mobile platform comprises base plate and is located at the pulley bottom base plate.
8., as claimed in claim 7 based on the water base foam extinguishing device of fire water in fire hydrant, it is characterized in that: described mobile platform is placed in casing, casing is located on delivery vehicle; Described delivery vehicle is the car of three-wheel or four-wheel.
9., as claimed in claim 8 based on the water base foam extinguishing device of fire water in fire hydrant, it is characterized in that: described car is provided with casing automatic handling device; Described automatic handling device comprises turning arm, and turning arm one end to be connected casing by hook, and the other end is connected the chute be located on car, turning arm is connected with telescopic cylinder or hydraulic cylinder.
10., as claimed in claim 8 based on the water base foam extinguishing device of fire water in fire hydrant, it is characterized in that: described bottom half is provided with the roller that guide rail is connected on delivery vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410576623.3A CN104324470A (en) | 2014-10-18 | 2014-10-18 | Water base foam fire extinguishing device based on fire fighting water in fire hydrant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410576623.3A CN104324470A (en) | 2014-10-18 | 2014-10-18 | Water base foam fire extinguishing device based on fire fighting water in fire hydrant |
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| CN104324470A true CN104324470A (en) | 2015-02-04 |
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| CN201410576623.3A Pending CN104324470A (en) | 2014-10-18 | 2014-10-18 | Water base foam fire extinguishing device based on fire fighting water in fire hydrant |
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| CN (1) | CN104324470A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106178359A (en) * | 2016-08-24 | 2016-12-07 | 戴国升 | The comprehensive fixed froth installation of miniaturization persistence |
| CN107519603A (en) * | 2017-07-14 | 2017-12-29 | 洛阳市浪潮消防科技股份有限公司 | A kind of mobile froth apparatus with the instant reaction warehouse of fire-fighting medicament |
| CN111450454A (en) * | 2020-05-09 | 2020-07-28 | 陕西安捷讯消防科技发展有限公司 | Water-based new energy electric fire truck |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107519603A (en) * | 2017-07-14 | 2017-12-29 | 洛阳市浪潮消防科技股份有限公司 | A kind of mobile froth apparatus with the instant reaction warehouse of fire-fighting medicament |
| CN111450454A (en) * | 2020-05-09 | 2020-07-28 | 陕西安捷讯消防科技发展有限公司 | Water-based new energy electric fire truck |
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Application publication date: 20150204 |
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