CN206350885U - AFFF fire extinguisher - Google Patents
AFFF fire extinguisher Download PDFInfo
- Publication number
- CN206350885U CN206350885U CN201621476194.3U CN201621476194U CN206350885U CN 206350885 U CN206350885 U CN 206350885U CN 201621476194 U CN201621476194 U CN 201621476194U CN 206350885 U CN206350885 U CN 206350885U
- Authority
- CN
- China
- Prior art keywords
- blending bin
- baffle plate
- fire
- capping
- vertical tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model is related to AFFF fire extinguisher, including fluid reservoir, discharging tube, surge tank, the first blending bin, vertical water inlet pipe, the circular baffle plate being arranged on inside the first blending bin, vertical tube, the second blending bin, the jet pipe being arranged on inside the second blending bin, fire-fighting lance, high-pressure pump and tapping valve are provided with discharging tube, the upper end of water inlet pipe is installed with the first capping, multiple tracks radial direction hydrojet seam is provided with first capping, the lower end of water inlet pipe is provided with water intaking valve, and the side wall of jet pipe is provided with multiple stomatas.The AFFF fire extinguisher occupies little space, and sustainability is strong, simple to operate, and mixed foaming speed is fast, and foaming effect is good, and fire-fighting efficiency is high, can be applied in large-scale fire.
Description
Technical field
The utility model is related to AFFF fire extinguisher, belongs to technical field of fire control.
Background technology
AFFF fire extinguisher is a kind of fire extinguisher using aqueous film-forming foam extinguishing agent as extinguishing chemical, AFFF
Extinguishing chemical is a kind of new and effective fire foam grown up the beginning of the sixties, and component is by fluorocarbon surfactant, hydrocarbon table
Face activating agent and additive and water composition.When aqueous film-forming foam extinguishing agent being ejected into the pasta of burning, foam one side is in oil
Scattered on face, water membrane is simultaneously formed on pasta, suppressed the evaporation of oil product, make itself and air exclusion, and make foam rapid
To the regional diffusion being not yet directly injected to, further fire extinguishing.Aqueous film-forming foam extinguishing agent is applied to low expansion foam fire extinguishing and set
It is standby, it is mainly used in putting out general water-insoluble flammable, flammable liquid fire, and can promptly control spreading for fire, moreover it is possible to
It is combined with powder extinguishing agent.
Existing AFFF fire extinguisher stores the limited amount of aqueous film-forming foam extinguishing agent, cause its sustainability compared with
Difference, is not suitable for using in large-scale fire.
Utility model content
The utility model is in view of the deficienciess of the prior art, there is provided AFFF fire extinguisher, concrete technical scheme
It is as follows：
AFFF fire extinguisher, including fluid reservoir, discharging tube, surge tank, the first blending bin, vertical water inlet pipe, set
Put the circular baffle plate inside the first blending bin, vertical tube, the second blending bin, the jet pipe being arranged on inside the second blending bin, fire-fighting
Hydraulic giant, the tail end of the discharging tube is connected with fluid reservoir, and the head end of the discharging tube is connected with surge tank, is set on the discharging tube
High-pressure pump and tapping valve are equipped with, many branch pipes are provided between the surge tank and the first blending bin, one end of branch pipe is with pressing
Case is connected, and the other end of branch pipe is connected with the first blending bin；The upper end of the water inlet pipe is arranged on the inside of the first blending bin, institute
The upper end for stating water inlet pipe is installed with the first capping, and multiple tracks radial direction hydrojet seam is provided with first capping, the water inlet pipe
Lower end is provided with water intaking valve, and water intaking valve is arranged on the outside of the first blending bin；The baffle plate setting first capping surface,
Gap is provided between the edge of the baffle plate and the inwall of the first blending bin, between the baffle plate and the inwall of the first blending bin
Many connecting rods are provided with, one end of connecting rod is fixedly connected with baffle plate, the inwall of the other end of connecting rod and the first blending bin, which is fixed, to be connected
Connect, the connectivity part of the branch pipe and the first blending bin is arranged between baffle plate and the first capping；The lower end of the vertical tube is arranged on
Gap is provided between the lower end and baffle plate of the inside of first blending bin and the vertical tube, second blending bin is arranged on first
The top of blending bin, the upper end of the vertical tube is arranged on the inside of the second blending bin and the upper end of the vertical tube and the lower end of jet pipe
Connection, the side wall of the jet pipe is provided with multiple stomatas, is provided between the side wall of the jet pipe and the inwall of the second blending bin
Gap, the upper end of the jet pipe is installed with the second capping；The tail end of the fire-fighting lance is connected with the top of the second blending bin.
As the improvement of above-mentioned technical proposal, conical shaped projections are provided with immediately below the vertical tube, projection is consolidated with baffle plate
Gap is provided between fixed connection, the lower end of the projection and vertical tube.
As the improvement of above-mentioned technical proposal, the inwall of second blending bin is installed with multiple spoilers, spoiler with
Gap is provided between jet pipe.
AFFF fire extinguisher described in the utility model occupies little space, and can store substantial amounts of AFFF fire extinguishing
Agent, sustainability is strong, simple to operate, can be applied in large-scale fire；First blending bin and the second blending bin collaboration
Coordinate so that aqueous film-forming foam extinguishing agent and fire water can quickly complete the foaming of high magnification numbe, mixed foaming speed wherein
It hurry up, foaming effect is good, and fire-fighting efficiency is significantly improved.
Brief description of the drawings
Fig. 1 is AFFF extinguisher structure schematic diagram described in the utility model；
Fig. 2 is the first closure construction schematic diagram described in the utility model；
Fig. 3 is nozzle structure schematic diagram described in the utility model.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain
The utility model, is not used to limit the utility model.
As shown in Fig. 1 ~ 3, the AFFF fire extinguisher, including the mixing of fluid reservoir 1, discharging tube 2, surge tank 3, first
Case 4, vertical water inlet pipe 5, the circular baffle plate 6 being arranged on inside the first blending bin 4, vertical tube 7, the second blending bin 8, it is arranged on
Jet pipe 9, fire-fighting lance 10 inside two blending bins 8, the tail end of the discharging tube 2 are connected with fluid reservoir 1, the discharging tube 2
Head end is connected with surge tank 3, and high-pressure pump 21 and tapping valve 22 are provided with the discharging tube 2, and the surge tank 3 and first is mixed
Many branch pipes 31 are provided between case 4, one end of branch pipe 31 is connected with surge tank 3, the other end of branch pipe 31 and the first blending bin 4
Connection；The upper end of the water inlet pipe 5 is arranged on the inside of the first blending bin 4, and the upper end of the water inlet pipe 5 is installed with the first capping
51, it is described first capping 51 on be provided with multiple tracks radial direction hydrojet seam 511, the lower end of the water inlet pipe 5 is provided with water intaking valve 52, enters
Water valve 52 is arranged on the outside of the first blending bin 4；The baffle plate 6 is arranged on the surface of the first capping 51, the side of the baffle plate 6
Be provided between the inwall of edge and the first blending bin 4 between gap, the inwall of the blending bin 4 of baffle plate 6 and first be provided with it is many
Root connecting rod 61, one end of connecting rod 61 is fixedly connected with baffle plate 6, and the inwall of the other end of connecting rod 61 and the first blending bin 4, which is fixed, to be connected
Connect, the connectivity part of the blending bin 4 of branch pipe 31 and first is arranged between the capping of baffle plate 6 and first 51；The lower end of the vertical tube 7
It is arranged between the inside of the first blending bin 4 and the lower end of the vertical tube 7 and baffle plate 6 and is provided with gap, second blending bin 8
It is arranged on the top of the first blending bin 4, the upper end of the vertical tube 7 is arranged on the upper of the inside of the second blending bin 8 and the vertical tube 7
End is connected with the lower end of jet pipe 9, and the side wall of the jet pipe 9 is provided with multiple stomatas 90, and the side wall of the jet pipe 9 is mixed with second
Gap is provided between the inwall of case 8, the upper end of the jet pipe 9 is installed with the second capping 91；The tail end of the fire-fighting lance 10
Connected with the top of the second blending bin 8.Further, the underface of the vertical tube 7 is provided with conical shaped projections 62, projection 62 with
Baffle plate 6 is fixedly connected, and gap is provided between the lower end of the projection 62 and vertical tube 7.Further, second blending bin 8
Inwall be installed with multiple spoilers 81, be provided with gap between spoiler 81 and jet pipe 9.
Aqueous film-forming foam extinguishing agent is stored in fluid reservoir 1, during fire extinguishing, fire hydrant is connected with the lower end of water inlet pipe 5, beaten
Drive water valve 52 into, due to being provided with multiple tracks radial direction hydrojet seam 511 in the first capping 51, in the presence of hydrojet seam 511, fire water
High pressure water curtain is internally formed in the first blending bin 4 by water inlet pipe 5, the high pressure water curtain strikes the dirty formation backward of baffle plate 6
Whirlpool；High-pressure pump 21 and tapping valve 22 are then turned on, the aqueous film-forming foam extinguishing agent in fluid reservoir 1 is passed through discharging tube by high-pressure pump 21
2 are pumped into surge tank 3, under the distribution of surge tank 3, and high pressure aqueous film-forming foam extinguishing agent fluid is mixed first by branch pipe 31
Projected in mould assembling 4, because the connectivity part of the blending bin 4 of branch pipe 31 and first is arranged between the capping of baffle plate 6 and first 51, because
The high pressure water curtains that this high pressure aqueous film-forming foam extinguishing agent fluid stitches 511 ejections with hydrojet mutually hit and are mixed to form for the first time
Premix, the presence of whirlpool causes first mixing rate fast, and good mixing effect also promotes it to foam；When the first blending bin 4
Premix under the effect of the pressure by the gap between the blending bin 4 of baffle plate 6 and first, projection 62 and vertical tube 7 lower end it
Between be provided with behind gap and flow in vertical tube 7, due to the presence of conical shaped projections 62 so that premix is flowed to be needed in vertical tube 7
Larger pressure, can not only cause there are enough incorporation times between aqueous film-forming foam extinguishing agent and fire water, it is ensured that MJPZ
Mixed between fire foam and fire water evenly, can also ensure that the premix flowed out from vertical tube 7 has enough
Hydraulic pressure.
Premix is flowed in jet pipe 9 from vertical tube 7, and premix sprays and then struck the second blending bin from stomata 90
8 inwall, spoiler 81, the aperture of stomata 90 may be designed as, 1 ~ 3mm, the process can not only promote water in premix into
Mixed evenly between film bubble foam extinguishing agent and fire water, but also premix foaming generation foam solution, the bubble can be promoted
Foam liquid sprays from fire-fighting lance 10, easily scatters to form moisture film on pasta, and fire-fighting efficiency is high.
In the above-described embodiments, the first blending bin 4 and the coordinated of the second blending bin 8 so that aqueous film-forming foam extinguishing agent
The foaming of high magnification numbe can be quickly completed wherein with fire water, and foaming effect is good.As long as the AFFF in fluid reservoir 1 goes out
Fiery agent is uninterrupted, and extinguishing operation does not just stop, and fluid reservoir 1 occupies little space, can be stored on single fire fighting truck substantial amounts of water into
Film bubble foam extinguishing agent, implementation result is good.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Any modifications, equivalent substitutions and improvements made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (3)
1. AFFF fire extinguisher, it is characterised in that：Including fluid reservoir（1）, discharging tube（2）, surge tank（3）, first mixing
Case（4）, vertical water inlet pipe（5）, be arranged on the first blending bin（4）Internal circular baffle plate（6）, vertical tube（7）, the second blending bin
（8）, be arranged on the second blending bin（8）Internal jet pipe（9）, fire-fighting lance（10）, the discharging tube（2）Tail end and fluid reservoir
（1）Connection, the discharging tube（2）Head end and surge tank（3）Connection, the discharging tube（2）On be provided with high-pressure pump（21）With
Tapping valve（22）, the surge tank（3）With the first blending bin（4）Between be provided with many branch pipes（31）, branch pipe（31）One end
With surge tank（3）Connection, branch pipe（31）The other end and the first blending bin（4）Connection；The water inlet pipe（5）Upper end be arranged on
First blending bin（4）Inside, the water inlet pipe（5）Upper end be installed with the first capping（51）, first capping（51）On
It is provided with multiple tracks radial direction hydrojet seam（511）, the water inlet pipe（5）Lower end be provided with water intaking valve（52）, water intaking valve（52）Set
In the first blending bin（4）Outside；The baffle plate（6）It is arranged on the first capping（51）Surface, the baffle plate（6）Edge
With the first blending bin（4）Inwall between be provided with gap, the baffle plate（6）With the first blending bin（4）Inwall between set
There are many connecting rods（61）, connecting rod（61）One end and baffle plate（6）It is fixedly connected, connecting rod（61）The other end and the first blending bin
（4）Inwall be fixedly connected, the branch pipe（31）With the first blending bin（4）Connectivity part be arranged on baffle plate（6）With the first capping
（51）Between；The vertical tube（7）Lower end be arranged on the first blending bin（4）Inside and the vertical tube（7）Lower end and baffle plate
（6）Between be provided with gap, second blending bin（8）It is arranged on the first blending bin（4）Top, the vertical tube（7）It is upper
End is arranged on the second blending bin（8）Inside and the vertical tube（7）Upper end and jet pipe（9）Lower end connection, the jet pipe（9）
Side wall be provided with multiple stomatas（90）, the jet pipe（9）Side wall and the second blending bin（8）Inwall between be provided between
Gap, the jet pipe（9）Upper end be installed with the second capping（91）；The fire-fighting lance（10）Tail end and the second blending bin（8）
Top connection.
2. AFFF fire extinguisher according to claim 1, it is characterised in that：The vertical tube（7）Underface set
There are conical shaped projections（62）, projection（62）With baffle plate（6）It is fixedly connected, the projection（62）And vertical tube（7）Lower end between set
It is equipped with gap.
3. AFFF fire extinguisher according to claim 1, it is characterised in that：Second blending bin（8）Inwall
It is installed with multiple spoilers（81）, spoiler（81）With jet pipe（9）Between be provided with gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621476194.3U CN206350885U (en) | 2016-12-30 | 2016-12-30 | AFFF fire extinguisher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621476194.3U CN206350885U (en) | 2016-12-30 | 2016-12-30 | AFFF fire extinguisher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206350885U true CN206350885U (en) | 2017-07-25 |
Family
ID=59349416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621476194.3U Expired - Fee Related CN206350885U (en) | 2016-12-30 | 2016-12-30 | AFFF fire extinguisher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206350885U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108159606A (en) * | 2018-01-11 | 2018-06-15 | 上海智密技术工程研究所有限公司 | A kind of aqueous film-forming foam extinguishing device |
-
2016
- 2016-12-30 CN CN201621476194.3U patent/CN206350885U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108159606A (en) * | 2018-01-11 | 2018-06-15 | 上海智密技术工程研究所有限公司 | A kind of aqueous film-forming foam extinguishing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170725 Termination date: 20201230 |