CN111013054A - Backpack compressed air foam fire extinguisher - Google Patents
Backpack compressed air foam fire extinguisher Download PDFInfo
- Publication number
- CN111013054A CN111013054A CN201911273145.8A CN201911273145A CN111013054A CN 111013054 A CN111013054 A CN 111013054A CN 201911273145 A CN201911273145 A CN 201911273145A CN 111013054 A CN111013054 A CN 111013054A
- Authority
- CN
- China
- Prior art keywords
- gas cylinder
- foam
- liquid storage
- gas
- mixing
- 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
Links
- 239000006260 foam Substances 0.000 title claims abstract description 49
- 239000007788 liquid Substances 0.000 claims abstract description 31
- 230000002146 bilateral effect Effects 0.000 claims description 4
- 231100000956 nontoxicity Toxicity 0.000 abstract description 2
- 238000011084 recovery Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 29
- 238000005187 foaming Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000007921 spray Substances 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Images
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
- A62C13/00—Portable extinguishers which are permanently pressurised or pressurised immediately before use
- A62C13/76—Details or accessories
-
- 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
Abstract
The invention discloses a backpack compressed air foam fire extinguisher which comprises a liquid storage cylinder, a gas cylinder, a mixing spoiler and a foam gun, wherein the liquid storage cylinder is vertically attached to the left and right of the gas cylinder, the top of the liquid storage cylinder is provided with a foam outlet and a gas outlet, the mixing spoiler comprises a mixing pipe and a gas inlet interface vertically connected with the mixing pipe, the opening of the bottom of the gas cylinder at the bottle opening is connected with a gas cylinder pressure reducing valve, and the gas cylinder pressure reducing valve is respectively connected with the gas outlet and the gas inlet interface of the mixing spoiler through a hose. The invention has the advantages of high fire extinguishing speed, high power, simple operation, low cost, easy recovery after fire extinguishing, no toxicity and the like, and has good practicability and market popularization value.
Description
Technical Field
The invention relates to fire-fighting equipment, in particular to a backpack compressed air foam fire extinguisher.
Background
The foam extinguisher can spray a large amount of carbon dioxide and foam when extinguishing fire, and the carbon dioxide and the foam can be adhered to combustible to isolate the combustible from air so as to achieve the purpose of extinguishing fire. The high-expansion foam fire extinguisher has the advantages of high fire extinguishing speed, low water damage loss, low cost, no toxicity and the like, and is suitable for extinguishing limited underground building spaces of underground roadways and grounds of coal mines. The high-expansion foam is characterized in that a small amount of high-expansion foam liquid and water are mixed according to a certain proportion, then the mixture passes through a high-expansion foam generating device to absorb a large amount of air, and the mixed liquid is blown into bubbles which are hundreds of times or thousands of times larger than the original volume and like soap bubbles. The high multiple foam can quickly cover the fire source, cut off the source of air in the fire scene, and isolate the effects of radiant heat, heat convection and heat conduction.
The foam fire extinguishing device is generally used for extinguishing fire of underground coal roadways, can be operated far away from fire areas in the roadways due to high driving wind pressure, and can be easily recovered after fire, thereby shortening the fire extinguishing time. The existing emerging fire extinguisher with the high-multiple foam generating device can quickly fill a fire extinguishing area, can eliminate smoldering fire of solid substances, and can also eliminate gas and toxic gas in rooms and limited spaces, but the fire extinguisher additionally arranged on the foam fire extinguisher is inflexible to move and complex to operate, has partial obstruction to the rapid progress of disaster relief work, is light, but not only can not be used for extinguishing flowing combustible liquid fire, but also can not be used for extinguishing live equipment fire, and is not suitable for extinguishing fire simultaneously with a water gun and a water spray system.
Disclosure of Invention
The invention aims to provide a backpack compressed air foam fire extinguisher to solve the problems in the background technology.
The technical scheme of the invention is as follows: a backpack compressed air foam fire extinguisher comprises a liquid storage cylinder, a gas cylinder, a mixing spoiler and a foam gun, wherein the liquid storage cylinder is vertically attached to the left side and the right side of the gas cylinder in a leaning manner, the liquid storage cylinder is detachably connected with the gas cylinder, the top of the liquid storage cylinder is provided with a foam outlet and a gas outlet, the mixing spoiler comprises a mixing pipe and a gas inlet interface vertically connected with the mixing pipe, the two ends of the mixing pipe are respectively provided with an inlet joint and an outlet joint, the inlet joint is communicated with the foam outlet through a bent pipe, the outlet joint is connected with the foam gun through a hose, the opening of the bottom of the gas cylinder at the bottle opening is connected with a gas cylinder pressure reducing valve, the gas cylinder pressure reducing valve is connected with a one-way valve through a right elbow, the other end of the one-way valve is connected with a three-way valve, the other end of the gas cylinder is connected with a left elbow, the left elbow is connected with a gas inlet interface of the mixing spoiler through a hose, a pressure gauge is further arranged on the gas cylinder pressure reducing valve, and the pressure gauge is fixedly connected with the gas cylinder pressure reducing valve through a bolt.
Preferably, the fire extinguisher further comprises a carrying mechanism, and the carrying mechanism comprises two horizontally arranged buckle locking belts used for connecting the liquid storage cylinder and the gas cylinder, two groups of fixing devices arranged on the liquid storage cylinder in bilateral symmetry, and two bilaterally symmetrical adjustable shoulder straps arranged on the fixing devices.
Preferably, a foam gun hook is arranged between the liquid storage cylinder and the gas cylinder.
Preferably, both ends of the elbow are provided with external threads capable of being connected in a rotating mode, and the threads at both ends of the elbow are respectively used for being screwed on the internal threads of the foam outlet nozzle and the internal threads of the mixing spoiler.
Preferably, both ends of the right elbow and the left elbow are rotatably connected with a nut.
As can be seen from the above description, the present invention has the following advantages compared with the prior art:
1. the invention increases the foaming effect by setting the mixed spoiler, rapidly covers the fire source, cuts off the source of air in the fire scene, and cuts off the effects of radiant heat, heat convection and heat conduction, compared with the maximum foaming multiple of a common product, the invention can increase the foaming multiple to 15 times;
2. the device has the advantages of small foam water stain loss, high fire extinguishing efficiency, easy recovery after fire extinguishing and no pollution to solid articles;
3. the invention has the advantages of high fire extinguishing speed, high power, low cost, flexible movement and simple operation; and has good practicability and market popularization value.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic structural view of the present invention;
the meaning of the reference symbols in the figures: the device comprises a liquid storage cylinder 1, a gas cylinder 2, a mixing spoiler 3, an inlet connector 31, an outlet connector 32, an air inlet connector 33, a foam gun 4, a gas cylinder pressure reducing valve 5, an elbow 6, a check valve 7, a tee joint 8, a pressure gauge 9 and a strap 10.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a backpack compressed air foam fire extinguisher comprises a liquid storage cylinder 1, an air cylinder 2, a mixing spoiler 3 and a foam gun 4, wherein the liquid storage cylinder 1 is vertically attached to the air cylinder 2 from left to right, the liquid storage cylinder 1 is detachably connected with the air cylinder 2, a foam gun hook is arranged between the liquid storage cylinder 1 and the air cylinder 2, a foam outlet and an air outlet are arranged at the top of the liquid storage cylinder 1, the mixing spoiler 3 comprises a mixing pipe and an air inlet port 33 vertically connected with the mixing pipe, an inlet joint 31 and an outlet joint 32 are respectively arranged at two ends of the mixing pipe, the inlet joint 31 is communicated with the foam outlet through a bent pipe, external threads are respectively arranged at two ends of the bent pipe, threads at two ends of the bent pipe are respectively used for screwing on internal threads of the foam outlet and internal threads of the mixing spoiler 3, the outlet connector 32 is connected with the foam gun 4 through a hose, the opening at the bottom of the gas cylinder 2 at the bottle opening is connected with a gas cylinder pressure reducing valve 5, the gas cylinder pressure reducing valve 5 is connected with a one-way valve 7 through a right elbow 6, the other end of the one-way valve 7 is connected with a three-way valve 8, one end of the three-way valve 8 is connected with the gas outlet through a hose, the other end of the three-way valve is connected with a left elbow 6, the left elbow 6 is connected with a gas inlet interface 33 of the mixing spoiler 3 through a hose, two ends of the left elbow 6 and the right elbow 6 are rotatably connected with a nut, the gas cylinder pressure reducing valve 5 is further provided with a pressure gauge 9, the pressure gauge 9 is fixedly connected with the gas cylinder pressure reducing valve 5 through a bolt, the fire extinguisher further comprises a carrying mechanism, and the carrying mechanism comprises two horizontally arranged, Two groups of fixing devices which are arranged on the liquid storage cylinder 1 in a bilateral symmetry way and two adjustable shoulder straps 10 which are arranged on the fixing devices in a bilateral symmetry way.
Referring to the mixing spoiler 3 shown in fig. 3, by providing the mixing spoiler 3 on the air foam fire extinguisher, it is possible to achieve an increased foaming effect, which can be increased by 15 times compared to a general product, the maximum foaming ratio of which is 6 times.
The working principle is as follows: the invention mainly comprises a 12L liquid storage cylinder 1, a 2L gas cylinder 2, a mixing spoiler 3 and a foam gun 4. After the switch of the gas cylinder 2 is opened, the gas flows out in two paths, one path of the gas flows into the liquid storage cylinder 1 to extrude the foam liquid, the other path of the gas directly flows to the mixing spoiler 3 to be mixed with the extruded foam liquid for foaming, and finally flows out of the spray gun.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. The utility model provides a backpack compressed air foam fire extinguisher which characterized in that: the device comprises a liquid storage cylinder, a gas cylinder, a mixing spoiler and a foam gun, wherein the liquid storage cylinder is vertically attached to the left side and the right side of the gas cylinder in a leaning and leaning manner, the liquid storage cylinder is detachably connected with the gas cylinder, the top of the liquid storage cylinder is provided with a foam outlet and a gas outlet, the mixing spoiler comprises a mixing pipe and a gas inlet interface vertically connected with the mixing pipe, the two ends of the mixing pipe are respectively provided with an inlet joint and an outlet joint, the inlet joint is communicated with the foam outlet through a bent pipe, the outlet joint is connected with the foam gun through a hose, the opening of the bottom of the gas cylinder, which is positioned at the opening of the cylinder opening, is connected with a gas cylinder pressure reducing valve, the gas cylinder pressure reducing valve is connected with a one-way valve through a right elbow, the other end of the one-way valve, the left elbow is connected with an air inlet interface of the mixing spoiler through a hose, and the gas cylinder pressure reducing valve is also provided with a pressure gauge which is fixedly connected with the gas cylinder pressure reducing valve through a bolt.
2. The backpack compressed air foam fire extinguisher of claim 1, wherein: the fire extinguisher further comprises a carrying mechanism, wherein the carrying mechanism comprises two horizontally arranged buckle locking belts used for connecting the liquid storage cylinder and the gas cylinder, two groups of fixing devices which are arranged on the liquid storage cylinder in a bilateral symmetry mode, and two bilaterally symmetrical adjustable shoulder straps arranged on the fixing devices.
3. The backpack compressed air foam fire extinguisher of claim 1, wherein: a foam gun hook is arranged between the liquid storage cylinder and the gas cylinder.
4. The backpack compressed air foam fire extinguisher of claim 1, wherein: the two ends of the elbow are respectively provided with a rotatable connecting external thread, and the threads at the two ends of the elbow are respectively used for screwing the internal thread of the foam outlet nozzle and the internal thread of the mixing spoiler.
5. The backpack compressed air foam fire extinguisher of claim 1, wherein: both ends of the right elbow and the left elbow are rotatably connected with a nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911273145.8A CN111013054A (en) | 2019-12-12 | 2019-12-12 | Backpack compressed air foam fire extinguisher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911273145.8A CN111013054A (en) | 2019-12-12 | 2019-12-12 | Backpack compressed air foam fire extinguisher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111013054A true CN111013054A (en) | 2020-04-17 |
Family
ID=70206180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911273145.8A Pending CN111013054A (en) | 2019-12-12 | 2019-12-12 | Backpack compressed air foam fire extinguisher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111013054A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201668905U (en) * | 2010-04-29 | 2010-12-15 | 中国科学技术大学 | Air-foam fire extinguishing device |
| CN105148429A (en) * | 2015-07-29 | 2015-12-16 | 成都自能消防设备有限公司 | Wind power foam fire extinguishing system |
| CN107088281A (en) * | 2017-06-12 | 2017-08-25 | 广东瑞霖特种设备制造有限公司 | A kind of backpack is pre-mixed compressed air foam fire-extinguishing apparatus |
| CN206867540U (en) * | 2017-06-12 | 2018-01-12 | 广东瑞霖特种设备制造有限公司 | A kind of backpack is pre-mixed compressed air foam fire-extinguishing apparatus |
| CN206979876U (en) * | 2017-06-09 | 2018-02-09 | 晁跃川 | A kind of Portable compressed aerofoam fire extinguishing installation |
| CN212067525U (en) * | 2019-12-12 | 2020-12-04 | 水力消防科技有限公司 | Backpack compressed air foam fire extinguisher |
-
2019
- 2019-12-12 CN CN201911273145.8A patent/CN111013054A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201668905U (en) * | 2010-04-29 | 2010-12-15 | 中国科学技术大学 | Air-foam fire extinguishing device |
| CN105148429A (en) * | 2015-07-29 | 2015-12-16 | 成都自能消防设备有限公司 | Wind power foam fire extinguishing system |
| WO2017016143A1 (en) * | 2015-07-29 | 2017-02-02 | 成都自能消防设备有限公司 | Air foam firefighting system |
| CN206979876U (en) * | 2017-06-09 | 2018-02-09 | 晁跃川 | A kind of Portable compressed aerofoam fire extinguishing installation |
| CN107088281A (en) * | 2017-06-12 | 2017-08-25 | 广东瑞霖特种设备制造有限公司 | A kind of backpack is pre-mixed compressed air foam fire-extinguishing apparatus |
| CN206867540U (en) * | 2017-06-12 | 2018-01-12 | 广东瑞霖特种设备制造有限公司 | A kind of backpack is pre-mixed compressed air foam fire-extinguishing apparatus |
| CN212067525U (en) * | 2019-12-12 | 2020-12-04 | 水力消防科技有限公司 | Backpack compressed air foam fire extinguisher |
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| PB01 | Publication | ||
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