CN107088281A - A kind of backpack is pre-mixed compressed air foam fire-extinguishing apparatus - Google Patents
A kind of backpack is pre-mixed compressed air foam fire-extinguishing apparatus Download PDFInfo
- Publication number
- CN107088281A CN107088281A CN201710439930.0A CN201710439930A CN107088281A CN 107088281 A CN107088281 A CN 107088281A CN 201710439930 A CN201710439930 A CN 201710439930A CN 107088281 A CN107088281 A CN 107088281A
- Authority
- CN
- China
- Prior art keywords
- blender
- flow container
- gas
- gas cylinder
- fire
- 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.)
- Pending
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Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C15/00—Extinguishers essentially of the knapsack type
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
- A62C31/12—Nozzles specially adapted for fire-extinguishing for delivering foam or atomised foam
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Nozzles (AREA)
Abstract
Compressed air foam fire-extinguishing apparatus, including backrest and fire extinguishing component are pre-mixed the invention discloses a kind of backpack, the backrest includes backrest body and brace, wherein：The backrest body is included by backboard, bottom plate, the frame-type structure with one side opening that top plate and first longitudinal direction side plate and second longitudinal direction side plate are surrounded, the fire extinguishing component includes the flow container for being arranged on the opening of the backrest body, it is arranged on the first gas cylinder on the outside of the first longitudinal direction side plate, the blender being arranged at the top of the flow container and the spray gun being connected with the foam outlet of the blender, wherein, the top of the blender has the liquid injection port communicated with the inside of flow container, the liquid outlet of the flow container is connected with the inlet of blender, the gas vent of first gas cylinder point two-way is connected with the gas access of the blender and the air inlet of flow container respectively.The extinguishing device of the present invention, it is simple in construction, easy to use, practical, it is applicable to most fire rescue.
Description
Technical field
The present invention relates to a kind of extinguishing device, and in particular to a kind of backpack is pre-mixed compressed air foam fire-extinguishing apparatus,
Belong to fire-fighting equipment technical field.
Background technology
The fire-fighting principle of foam annihilator is a large amount of foams ejected using it, and these foams can stick to combustible
On, make combustible and air exclusion, while reducing temperature, burning condition is destroyed, so as to reach the purpose of fire extinguishing.In fire extinguisher
During use, the height for the foam quality that fire extinguisher is ejected directly affects the quality of extinguishing effect.However, existing bubble
Foam fire extinguisher, due to structure setting, causes the foam performance for the foam that fire extinguisher sprayed unstable, or even can not send out
Raw dry foam, frequently results in the undesirable of extinguishing effect, not only causes economic loss, or even endanger the people of fire fighter
Body safety.In addition, when running into eminence and catching fire, fireman often needs to bear fire extinguisher to be put out a fire upstairs, but existing is born
Formula fire extinguisher, due to the irrationality of structure design, causes the inconvenience of fire fighting and rescue.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of simple in construction, easy to use, extinguishing effect
Good backpack premixing compressed air foam fire-extinguishing apparatus.
To achieve the above object, the present invention uses following technical scheme：
A kind of backpack is pre-mixed compressed air foam fire-extinguishing apparatus, including backrest and fire extinguishing component, the backrest bag
Backrest body and brace are included, wherein：The backrest body is included by backboard, bottom plate, top plate and first longitudinal direction side plate and the
The frame-type structure with one side opening that two longitudinal side plates are surrounded, the fire extinguishing component includes being arranged on opening for the backrest body
Mouthful flow container, the first gas cylinder being arranged on the outside of the first longitudinal direction side plate, the blender that is arranged at the top of the flow container and
The spray gun being connected with the foam outlet of the blender, wherein, the top of the blender has what is communicated with the inside of flow container
Liquid injection port, the liquid outlet of the flow container is connected with the inlet of blender, the gas vent point two-way difference of first gas cylinder
It is connected with the gas access of the blender and the air inlet of flow container.
Further：The inside of the blender has to be communicated with the gas vent of the first gas cylinder and the liquid outlet of flow container
Hybrid chamber.
Further：The foam mixing liquid that the gas that the gas vent of first gas cylinder is sent out and flow container are sent out is with vertical
The mode of intersection is entered in hybrid chamber.
Further：Reversal valve is provided with the blender.
Further：The extinguishing device also include being arranged at the second gas cylinder on the outside of the second longitudinal direction side plate and with
The connected breathing mask of second gas cylinder.
Further：Oxygen is stored in second gas cylinder.
Further：The gas outlet of first gas cylinder is provided with the first pressure-reducing valve.
Further：The gas outlet of second gas cylinder is provided with the second pressure-reducing valve.
Further：The bottom of the bottom plate is provided with supporting leg.
Further：The adjustable length of the brace.
The beneficial effects of the present invention are relative to existing CAFS systems, backpack premixing compression of the invention is empty
Gas foam extinguishing device, by setting the blender being connected with the gas vent of the first gas cylinder and the liquid outlet of flow container so that
Foam mixing liquid is pre-mixed to be formed after the foam that foaming effect is good, foam stability is high again through spray in a mixer with compressed air
Rifle is sprayed, and is conducive to improving extinguishing effect.In addition, extinguishing device of the present invention, overall use is born and the adjustable knot of brace
Structure is designed, and is equipped with the second gas cylinder and breathing mask, simple in construction, easy to use, practical, is applicable to most
Fire, especially high-rise fire, fireman often need to bear the fire rescue that fire extinguisher is put out a fire upstairs.
Brief description of the drawings
Fig. 1 shows that backpack of the present invention is pre-mixed the front view of compressed air foam fire-extinguishing apparatus；
Fig. 2 shows that backpack of the present invention is pre-mixed the side view of compressed air foam fire-extinguishing apparatus；
Fig. 3 shows that backpack of the present invention is pre-mixed the structural representation of compressed air foam fire-extinguishing apparatus.
Embodiment
The embodiment to the present invention is described further below in conjunction with the accompanying drawings.
As shown in Figure 1-Figure 3, backpack premixing compressed air foam fire-extinguishing apparatus of the present invention, including backrest 1
And fire extinguishing component, wherein, the backrest 1 includes backrest body 11 and brace 12, and the backrest body 11 is by backboard, top
Substantially frame-type knot that plate, bottom plate 113 and first longitudinal direction side plate 111 and second longitudinal direction side plate 112 are surrounded, with one side opening
Structure, convenient to be applicable, the brace 12 uses length-adjustable brace 12.Especially, the bottom of the bottom plate 113 is additionally provided with
Four supporting legs 114 for example near four angles of bottom plate 113, in order to whole extinguisher device it is quiet stand on ground when
Stress balance.
The fire extinguishing component includes flow container 2, the first gas cylinder 3, blender 5 and spray gun 6, wherein, the flow container 2 is arranged on
In the opening of the backrest body 11, first gas cylinder 3 is preferably arranged at described with its gas vent upside down directed downwardly
The outside of the first longitudinal direction side plate 111 of backrest body 11, its internal reservoir has compressed air, its gas vent point two-way respectively with
The blender 5 and flow container 2 are connected.Specifically, the gas outlet of first gas cylinder 3 is provided with the first pressure-reducing valve 31,
It is connected by gas piping and safety valve 32 with the gas access of blender 5 all the way, its another road and the top of flow container 2
Air inlet is connected.
The blender 5 is arranged at the top of the flow container 2, and with the liquid injection port and phase communicated with the inside of flow container 2
The capping answered and the hybrid chamber communicated respectively with the gas vent of the first gas cylinder 3 and the liquid outlet of flow container 2.Wherein, pass through
The liquid injection port, can add the water and foam dope produced needed for foam into flow container 2, and the liquid outlet of flow container 2 passes through pipe
Road is connected with the inlet of blender 5 so that the foam mixing liquid sent out of liquid outlet through flow container 2 with through the first gas cylinder 3
Gas vent send out compressed air mixed to form qualified fire foam in the hybrid chamber of blender 5.Especially
Ground, in the present invention, the foam mixing liquid that the liquid outlet through flow container 2 is sent out and the gas vent through the first gas cylinder 3 are sent out
Compressed air entered and mixed in the hybrid chamber of blender 5 in the way of square crossing.Also, on the hybrid chamber 5
A reversal valve 51 can be also provided with, the reversal valve 51 can use the reversal valve of bolt-type, it is located at gas access, inlet with mixing
Between conjunction chamber, by way of pressing inward against, to be adjusted into the foam mixing liquid mixed in hybrid chamber and compression
The amount of air, so as to provide wet type CAFS foams or dry type CAFS fire foams respectively as needed.The bubble of the blender 5
Foam outlet is connected by flexible pipe 7 with spray gun 6.
Backpack premixing compressed air foam fire-extinguishing apparatus of the present invention may also include preferably with gas vent court
Under upside down be arranged at the second gas cylinder 4 on the outside of the second longitudinal direction side plate, its internal reservoir has oxygen, at its gas outlet
The pressure-reducing valve 42 of pressure gauge 41 and second is provided with, and the gas outlet of second gas cylinder 4 is connected with breathing mask by pipeline
43。
Backpack premixing compressed air foam fire-extinguishing apparatus of the invention as described above, in use, first release flow container 2 with
And the residual gas in each pipeline of device.The desired amount of water is added into flow container by the liquid injection port on blender and foam is former
Liquid.Gases at high pressure in first gas cylinder 3 are depressurized to the pressure value needed for device, then, the first gas by the first pressure-reducing valve 31
Compressed air point two-way in bottle 3 is delivered in blender 5 and flow container 2 respectively.Pull the trigger on spray gun 6, now, first
The pressure that gas cylinder 3 is exported delivers to the foam mixing liquid in flow container 2 in blender 5 by the road, and in the hybrid chamber of blender 5
Sprayed after being thoroughly mixed to form qualified foam with the compressed air sent through the first gas cylinder 3 through spray gun 6 and carry out fire-extinguishing operations.Root
According to the type and the real-time state of development of the intensity of a fire of fire, by adjusting the reversal valve 51 on blender 5, wet type can be provided respectively
CAFS foams or dry type CAFS fire foams.In addition, when in use, if the need arises, the wearable respiratory surface of fire fighter
Cover 43, while being adjusted pressure to suitable value by the second pressure-reducing valve 42, is breathed.It is empty with existing full-automatic compression
Gas class A foam fire extinguishing (Compressed Air Foam System, CAFS) system, foam mixing liquid and compressed air are in pipeline
Or unlike being mixed in water band, the present invention is by setting blender 5 so that foam mixing liquid is being mixed with compressed air
Premixing is formed after the foam that foaming effect is good, foam stability is high in device 3 is sprayed through spray gun again, is conducive to improving and is put out a fire
Effect.
The present invention is by preferred embodiment having carried out detailed explanation.However, by studying carefully above, to each
The change and increase of embodiment are also apparent to those of ordinary skill in the art.It is intended that it is all this
A little changes and increase fall in the protection domain of the claims in the present invention.Similar numbering refers to similar element.For
For the sake of clear, there may be the situation for amplifying some lines, layer, element, part or feature in the accompanying drawings.
Term used herein is only that specific embodiment is illustrated, and is not intended to and limits the invention.
Unless otherwise defined, all terms (including technical term and scientific terminology) used herein with it is of the art
The understanding of those skilled in the art is identical.Must also it is clear that, except herein have clearly definition in addition to, it is generally fixed in such as dictionary
The term of justice should be construed in the linguistic context of this specification and correlation technique can have the consistent meaning, without what should be explained
Idealization or undue formalization.Known function or structure for briefly and clearly consider or repeat no more.
Claims (10)
1. a kind of backpack is pre-mixed compressed air foam fire-extinguishing apparatus, including backrest and fire extinguishing component, the backrest includes
Backrest body and brace, it is characterised in that：The backrest body is included by backboard, bottom plate, top plate and first longitudinal direction side plate
The frame-type structure with one side opening surrounded with second longitudinal direction side plate, the fire extinguishing component includes being arranged on the backrest body
Opening flow container, the first gas cylinder being arranged on the outside of the first longitudinal direction side plate, the blender that is arranged at the top of the flow container
And the spray gun being connected with the foam outlet of the blender, wherein, the top of the blender has the inside phase with flow container
Logical liquid injection port, the liquid outlet of the flow container is connected with the inlet of blender, the gas vent point two-way of first gas cylinder
It is connected respectively with the gas access of the blender and the air inlet of flow container.
2. extinguishing device according to claim 1, it is characterised in that：The inside of the blender has and the first gas cylinder
The hybrid chamber that the liquid outlet of gas vent and flow container is communicated.
3. extinguishing device according to claim 2, it is characterised in that：The gas that the gas vent of first gas cylinder is sent out
The foam mixing liquid sent out with flow container is entered in hybrid chamber in the way of square crossing.
4. extinguishing device according to claim 1, it is characterised in that：Reversal valve is provided with the blender.
5. the extinguishing device according to any one in claim 1-4, it is characterised in that：The extinguishing device also includes setting
The second gas cylinder being placed on the outside of the second longitudinal direction side plate and the breathing mask being connected with second gas cylinder.
6. extinguishing device according to claim 5, it is characterised in that：Oxygen is stored in second gas cylinder.
7. the extinguishing device according to any one in claim 1-4, it is characterised in that：The gas of first gas cylinder goes out
The first pressure-reducing valve is provided with mouthful.
8. extinguishing device according to claim 5, it is characterised in that：The gas outlet of second gas cylinder is provided with
Two pressure-reducing valves.
9. the extinguishing device according to any one in claim 1-4, it is characterised in that：The bottom of the bottom plate is provided with
Supporting leg.
10. the extinguishing device according to any one in claim 1-4, it is characterised in that：The adjustable length of the brace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710439930.0A CN107088281A (en) | 2017-06-12 | 2017-06-12 | A kind of backpack is pre-mixed compressed air foam fire-extinguishing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710439930.0A CN107088281A (en) | 2017-06-12 | 2017-06-12 | A kind of backpack is pre-mixed compressed air foam fire-extinguishing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107088281A true CN107088281A (en) | 2017-08-25 |
Family
ID=59640662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710439930.0A Pending CN107088281A (en) | 2017-06-12 | 2017-06-12 | A kind of backpack is pre-mixed compressed air foam fire-extinguishing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107088281A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108286515A (en) * | 2018-03-29 | 2018-07-17 | 芜湖长捷航空动力科技有限责任公司 | A kind of portable backpack fire pump omnibearing protection frame |
| CN111013054A (en) * | 2019-12-12 | 2020-04-17 | 水力消防科技有限公司 | Backpack compressed air foam fire extinguisher |
| CN115487456A (en) * | 2022-08-17 | 2022-12-20 | 湖南中联重科应急装备有限公司 | Fire extinguishing device |
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Cited By (4)
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|---|---|---|---|---|
| CN108286515A (en) * | 2018-03-29 | 2018-07-17 | 芜湖长捷航空动力科技有限责任公司 | A kind of portable backpack fire pump omnibearing protection frame |
| CN111013054A (en) * | 2019-12-12 | 2020-04-17 | 水力消防科技有限公司 | Backpack compressed air foam fire extinguisher |
| CN115487456A (en) * | 2022-08-17 | 2022-12-20 | 湖南中联重科应急装备有限公司 | Fire extinguishing device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20170825 |