CN113230565A - Automatic fire extinguishing device for producing gas by aerosol - Google Patents
Automatic fire extinguishing device for producing gas by aerosol Download PDFInfo
- Publication number
- CN113230565A CN113230565A CN202110582986.8A CN202110582986A CN113230565A CN 113230565 A CN113230565 A CN 113230565A CN 202110582986 A CN202110582986 A CN 202110582986A CN 113230565 A CN113230565 A CN 113230565A
- Authority
- CN
- China
- Prior art keywords
- fire extinguishing
- aerosol
- gas
- tank body
- automatic 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.)
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- 239000000443 aerosol Substances 0.000 title claims abstract description 71
- WVSNNWIIMPNRDB-UHFFFAOYSA-N 1,1,1,3,3,4,4,5,5,6,6,6-dodecafluorohexan-2-one Chemical compound FC(F)(F)C(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F WVSNNWIIMPNRDB-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 34
- 238000004519 manufacturing process Methods 0.000 claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 239000007921 spray Substances 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 238000001816 cooling Methods 0.000 claims abstract description 4
- 239000003999 initiator Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 230000002195 synergetic effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- UKACHOXRXFQJFN-UHFFFAOYSA-N heptafluoropropane Chemical compound FC(F)C(F)(F)C(F)(F)F UKACHOXRXFQJFN-UHFFFAOYSA-N 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000282461 Canis lupus Species 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C13/00—Portable extinguishers which are permanently pressurised or pressurised immediately before use
- A62C13/02—Portable extinguishers which are permanently pressurised or pressurised immediately before use with pressure gas produced by chemicals
- A62C13/22—Portable extinguishers which are permanently pressurised or pressurised immediately before use with pressure gas produced by chemicals with incendiary substances producing pressure gas
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
- Fire-Extinguishing Compositions (AREA)
Abstract
The invention relates to the technical field of aerosol fire extinguishing, and discloses an automatic fire extinguishing device for generating gas by using aerosol, which comprises a tank body (1), an aerosol fire extinguishing agent (2) and a perfluorohexanone fire extinguishing liquid (3) which is arranged in the tank body (1) and used for cooling the aerosol fire extinguishing agent (2); an upper cover (4) and a lower cover (5) for sealing the tank body (1) are respectively fixedly installed at two ends of the tank body (1), a gas production bin (6) is arranged at one side of the upper cover (4) facing the tank body (1), an aerosol fire extinguishing agent (2) is filled in the gas production bin (6), and a spray head (7) is arranged on the lower cover (5); the device adopts the combined action of the aerosol fire extinguishing agent and the perfluorohexanone fire extinguishing liquid to extinguish fire, the perfluorohexanone fire extinguishing liquid cools the ignited aerosol fire extinguishing agent, and the high temperature carried by the aerosol fire extinguishing agent gasifies the perfluorohexanone fire extinguishing liquid, so that the fire extinguishing efficiency is high; the device has compact and small integral structure, is safer and more reliable, and has wider application range and field.
Description
Technical Field
The invention relates to the technical field of aerosol fire extinguishing, in particular to an automatic fire extinguishing device utilizing aerosol to generate gas.
Background
The conventional fire extinguishing device special for the new energy automobile on the market usually adopts dry powder, heptafluoropropane and aerosol as fire extinguishing media, and the dry powder fire extinguishing device has the defects of fire control, easy afterburning and difficult treatment by one wolf in site after spraying; the fire extinguishing device special for heptafluoropropane needs pressure storage and needs a pipeline connected in a battery box, so that the installation is inconvenient and great potential safety hazards exist.
Aerosol fire extinguishing is a novel fire extinguishing technology developed in recent years, and in the prior art, an intelligent fire extinguishing device (with an authorized bulletin number of CN110227221A) for a lithium battery box of an electric vehicle adopts a perfluorohexanone fire extinguishing agent, wherein the perfluorohexanone fire extinguishing agent has the advantages of cleanness, no toxicity, no harm to human bodies and the like, and is used as a green environment-friendly fire extinguishing agent; and the perfluorohexanone is colorless, tasteless and transparent liquid at normal temperature, has the evaporation heat of 1/25 times that of water and the vapor pressure of 25 times that of the water, so that the perfluorohexanone is easy to vaporize and exists in a gaseous state, and can achieve the fire extinguishing effect by means of heat absorption. However, the fire extinguisher driving device needs to be provided with a power device, an external power supply supplies power to the power device, the power device pushes a piston to discharge the fire extinguisher, and the structure is relatively complex.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an automatic fire extinguishing device utilizing aerosol to generate gas, the device adopts the combined action of an aerosol fire extinguishing agent and a perfluorohexanone fire extinguishing liquid to extinguish fire, the perfluorohexanone fire extinguishing liquid cools the ignited aerosol fire extinguishing agent, the high temperature carried by the aerosol fire extinguishing agent gasifies the perfluorohexanone fire extinguishing liquid, and the fire extinguishing efficiency is high; the device has compact and small integral structure, is safer and more reliable, and has wider application range and field.
In order to achieve the above purpose, the invention provides the following technical scheme:
an automatic fire extinguishing device utilizing aerosol to generate gas comprises a tank body, an aerosol fire extinguishing agent and perfluorohexanone fire extinguishing liquid which is arranged in the tank body and used for cooling the aerosol fire extinguishing agent, wherein the perfluorohexanone fire extinguishing liquid cools the ignited aerosol fire extinguishing agent, the high temperature carried by the aerosol fire extinguishing agent enables the perfluorohexanone fire extinguishing liquid to be gasified, the gasified perfluorohexanone self has a good fire extinguishing effect, the aerosol self also has a fire extinguishing function, the device has a synergistic fire extinguishing function, and the fire extinguishing efficiency is high; an upper cover and a lower cover for sealing the tank body are respectively fixedly arranged at two ends of the tank body, one side of the upper cover facing the tank body is provided with a gas production bin, aerosol fire extinguishing agent is filled in the gas production bin, and the lower cover is provided with a spray head.
Preferably, the upper cover is provided with a detector for detecting fire and a starter for igniting aerosol fire extinguishing agent; one side of the upper cover communicated with the gas production bin is provided with a pressure relief opening, and a pressure relief valve is arranged in the pressure relief opening.
Preferably, the spray head is arranged on the side surface of the lower cover, the gas outlet direction of the spray head and the gas outlet direction of the gas production bin form an L-shaped route, the L-shaped operation route enables the sprayed aerosol to be fully contacted with the perfluorohexanone, the perfluorohexanone is completely gasified, and the sprayed aerosol and the perfluorohexanone are mixed more uniformly.
Preferably, one side of the lower cover facing the tank body is provided with a buffer piece, the buffer piece is provided with a through hole facing the direction of the spray head so as to facilitate the air flow to pass through, and the bottom of the buffer piece is provided with an elastic piece.
Preferably, the lower cover is provided with a limiting piece for limiting the movement of the buffer piece, the limiting piece and the inner wall of the lower cover form a movable groove, and the buffer piece is inserted in the movable groove; the movable groove is internally provided with a limiting groove, the buffer part is provided with a limiting protruding part matched with the limiting groove, and the limiting protruding part moves in the limiting groove.
Preferably, the buffer member and the top of the movable groove are provided with spring members.
Preferably, at least one group of baffle plates are further arranged in the buffer part, and two or more groups of baffle plates are arranged in a staggered mode; and the baffle plate is provided with vent holes, the aperture of the vent hole positioned on the upper baffle plate is larger than that of the vent hole positioned on the lower baffle plate, so that the airflow is sequentially blocked under the action of the baffle plate, and the function of promoting the uniform mixing of the aerosol and the gasified perfluorohexanone is also realized.
Preferably, the gas production bin is provided with a gas outlet; the air outlet holes positioned on the side wall of the gas production bin are arranged in a spiral way; the spiral blade is movably arranged outside the gas production bin through an annular bearing so as to rotate around the gas production bin under the action of gas flow.
Compared with the prior art, the invention has the beneficial effects that:
the automatic fire extinguishing device disclosed by the invention adopts the combined action of the aerosol fire extinguishing agent and the perfluorohexanone fire extinguishing liquid to extinguish fire, the perfluorohexanone fire extinguishing liquid cools down the ignited aerosol fire extinguishing agent, the high temperature carried by the aerosol fire extinguishing agent enables the perfluorohexanone fire extinguishing liquid to be gasified, the gasified perfluorohexanone has a good fire extinguishing effect, the hot aerosol also has a fire extinguishing function, the device has a synergistic fire extinguishing function, and the fire extinguishing efficiency is high;
the perfluorohexanone is stored in a liquid state, and pressure leakage is avoided by non-pressure storage, and the pressure is not required to be frequently detected manually, so that the labor cost of fire-fighting detection is greatly reduced;
the device has compact and small integral structure, is safer and more reliable, and has wider application range and field.
Drawings
Fig. 1 is a front view of an automatic fire extinguishing apparatus according to embodiment 1.
Fig. 2 is a cross-sectional view of fig. 1 at cross section AA.
Fig. 3 is a sectional view of the automatic fire extinguishing apparatus according to embodiment 2.
Fig. 4 is an enlarged view of fig. 3 at a.
Fig. 5 is a sectional view of the automatic fire extinguishing apparatus according to embodiment 3.
In the drawings: 1-tank body, 2-aerosol fire extinguishing agent, 3-perfluorohexanone fire extinguishing liquid, 4-upper cover, 401-pressure relief opening, 5-lower cover, 6-gas generation bin, 601-air outlet, 7-spray head, 8-buffer part, 801-limit bulge, 9-elastic part, 10-limit part, 101-movable groove, 102-limit groove, 11-spring part, 12-baffle plate and 13-helical blade.
Detailed Description
Example 1: the invention provides an automatic fire extinguishing device utilizing aerosol to generate gas, which comprises a tank body 1, an aerosol fire extinguishing agent 2 and a perfluorohexanone fire extinguishing fluid 3 which is arranged in the tank body 1 and used for cooling the aerosol fire extinguishing agent 2, wherein the perfluorohexanone fire extinguishing fluid 3 cools the ignited aerosol fire extinguishing agent 2, the perfluorohexanone fire extinguishing fluid 3 is gasified by high temperature carried by the aerosol fire extinguishing agent 2, the gasified perfluorohexanone has good fire extinguishing effect, the aerosol also has the fire extinguishing function, the device has the function of synergetic fire extinguishing, the two devices perform fire extinguishing under the combined action, and the fire extinguishing efficiency is high;
an upper cover 4 and a lower cover 5 for sealing the tank body 1 are respectively fixedly installed at two ends of the tank body 1, a gas production bin 6 is arranged at one side of the upper cover 4 facing the tank body 1, a gas outlet hole 601 is formed in the gas production bin 6, an aerosol fire extinguishing agent 2 is filled in the gas production bin 6, and a sealing film or a partition plate is arranged between the upper cover 4 and the tank body 1 to isolate the perfluorohexanone fire extinguishing liquid 3; the lower cover 5 is provided with a spray head 7, the spray head 7 is arranged on the side surface of the lower cover 5, the air outlet direction of the spray head 7 and the air outlet direction of the air production bin 6 form an L-shaped route, aerosol sprayed by the ignited aerosol fire extinguishing agent 2 is contacted with perfluorohexanone, and the L-shaped operation route ensures that the aerosol and the perfluorohexanone are fully contacted, ensures that the perfluorohexanone is completely gasified, and ensures that the sprayed aerosol and the perfluorohexanone are mixed more uniformly; in the test, compared with the existing aerosol fire extinguishing agent, the fire extinguishing efficiency of the fire extinguishing device of the embodiment is improved by 15-18% (compared with the time for completely extinguishing the fire under the same fire condition); and compared with aerosol and perfluorohexanone which are sprayed out along a straight line, the fire extinguishing efficiency is improved by 3-10%.
The upper cover 4 is provided with a detector for detecting fire and a starter for igniting the aerosol fire extinguishing agent 2; and a pressure relief opening 401 is arranged on one side of the upper cover 4 communicated with the gas production bin 6, and a pressure relief valve is arranged in the pressure relief opening 401.
Example 2: a preferred embodiment of the present invention provides an automatic fire extinguishing apparatus using aerosol to generate gas, which is different from the above embodiments only in that: the side of the lower cover 5 facing the tank body 1 is provided with a buffer member 8, the side of the buffer member 8 facing the direction of the spray head 7 is provided with a through hole for passing air, and the bottom of the buffer member 8 is provided with an elastic member 9 which is an elastic rubber pad or a spring.
The lower cover 5 is provided with a limiting piece 10 for limiting the movement of the buffer piece 8, the limiting piece 10 and the inner wall of the lower cover 5 form a movable groove 101, and the buffer piece 8 is inserted in the movable groove 101; the movable groove 101 is provided with a limit groove 102, the buffer member 8 is provided with a limit projection 801 matched with the limit groove 102, and the limit projection 801 moves in the limit groove 102.
Furthermore, the spring piece 11 is arranged at the tops of the buffer piece 8 and the movable groove 101, the spring piece 11 and the buffer piece 8 act together to reduce the impact of the ejected aerosol airflow on the lower cover 5, and the contact time of the ejected aerosol and the perfluorohexanone can be prolonged, so that the aerosol and the gasified perfluorohexanone are mixed more uniformly.
At least one group of baffle plates 12 are also arranged in the buffer member 8, and two or more groups of baffle plates 12 are arranged in a staggered manner; and the baffle plate 12 is provided with vent holes, the aperture of the vent hole of the baffle plate 12 positioned above is larger than that of the vent hole of the baffle plate 12 positioned below, so that the airflow is blocked sequentially under the action of the baffle plate 12, and the function of promoting the uniform mixing of the aerosol and the gasified perfluorohexanone is also realized.
In the test, the fire extinguishing efficiency of the fire extinguishing apparatus of the embodiment is improved by 3-5% compared with the fire extinguishing apparatus of the embodiment 1.
Example 3: a preferred embodiment of the present invention provides an automatic fire extinguishing apparatus using aerosol to generate gas, which is different from the above embodiments only in that: the air outlet holes 601 located on the side wall of the gas production bin 6 are arranged in a spiral mode, the spiral blades 13 are arranged outside the gas production bin 6, the spiral blades 13 can be of fan blade structures, the spiral blades 13 are movably mounted outside the gas production bin 6 through annular bearings and rotate around the gas production bin 6 under the action of air flow, the sprayed aerosol is sprayed out in a spiral mode, the contact time of the sprayed aerosol and the perfluorohexanone is prolonged, the perfluorohexanone fully cools the aerosol, and the perfluorohexanone is gasified more completely.
Claims (10)
1. An automatic fire extinguishing device utilizing aerosol to generate gas is characterized by comprising a tank body (1), an aerosol fire extinguishing agent (2) and perfluorohexanone fire extinguishing liquid (3) which is arranged in the tank body (1) and used for cooling the aerosol fire extinguishing agent (2); an upper cover (4) and a lower cover (5) which are used for sealing the tank body (1) are respectively and fixedly installed at the two ends of the tank body (1), a gas production bin (6) is arranged on one side, facing the tank body (1), of the upper cover (4), the gas production bin (6) is filled with aerosol fire extinguishing agents (2), and a spray head (7) is arranged on the lower cover (5).
2. An automatic fire extinguisher using aerosol to generate gas according to claim 1, characterized in that the upper cover (4) is provided with a detector for detecting fire and an initiator for igniting the aerosol fire extinguishing agent (2).
3. The automatic fire extinguishing device for producing gas by utilizing aerosol according to claim 2, wherein a pressure relief port (401) is arranged on one side of the upper cover (4) communicated with the gas production bin (6), and a pressure relief valve is arranged in the pressure relief port (401).
4. The automatic fire extinguishing device utilizing aerosol to generate gas according to claim 1, wherein the spray head (7) is arranged on the side surface of the lower cover (5), and the gas outlet direction of the spray head (7) and the gas generating direction of the gas generating bin (6) form an L-shaped route.
5. An automatic fire extinguisher using aerosol to generate gas according to claim 4, characterized in that the side of the lower cover (5) facing the tank (1) is provided with a buffer member (8), the buffer member (8) is provided with a through hole facing the nozzle (7) for passing the gas flow, and the bottom of the buffer member (8) is provided with an elastic member (9).
6. The automatic fire extinguishing device for producing gas by utilizing aerosol according to claim 5, wherein the lower cover (5) is provided with a limiting piece (10) for limiting the movement of the buffer piece (8), the limiting piece (10) and the inner wall of the lower cover (5) form a movable groove (101), and the buffer piece (8) is inserted in the movable groove (101); a limit groove (102) is arranged in the movable groove (101), and a limit bulge (801) matched with the limit groove (102) is arranged on the buffer piece (8).
7. A fire extinguisher using aerosol to generate gas according to claim 6, wherein the buffer member (8) and the top of the movable slot (101) are provided with a spring member (11).
8. The automatic fire extinguishing device for producing gas by using aerosol as claimed in claim 5, wherein the buffer member (8) is further provided with at least one set of baffle plates (12), and two or more sets of baffle plates (12) are arranged in a staggered manner.
9. The automatic fire extinguishing device utilizing aerosol to generate gas according to claim 1, wherein the gas generating chamber (6) is provided with gas outlet holes (601); the air outlet holes (601) positioned on the side wall of the gas production bin (6) are arranged in a spiral way.
10. The automatic fire extinguishing device utilizing aerosol to generate gas according to claim 9, wherein a helical blade (13) is arranged outside the gas generating chamber (6), and the helical blade (13) is movably arranged outside the gas generating chamber (6) through an annular bearing so as to rotate around the gas generating chamber (6) under the action of gas flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110582986.8A CN113230565B (en) | 2021-05-27 | 2021-05-27 | Automatic fire extinguishing device for producing gas by aerosol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110582986.8A CN113230565B (en) | 2021-05-27 | 2021-05-27 | Automatic fire extinguishing device for producing gas by aerosol |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113230565A true CN113230565A (en) | 2021-08-10 |
| CN113230565B CN113230565B (en) | 2022-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110582986.8A Active CN113230565B (en) | 2021-05-27 | 2021-05-27 | Automatic fire extinguishing device for producing gas by aerosol |
Country Status (1)
| Country | Link |
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| CN (1) | CN113230565B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024012013A1 (en) * | 2022-07-12 | 2024-01-18 | 湖北及安盾消防科技有限公司 | Fire extinguishing device |
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| CN111617410A (en) * | 2020-05-29 | 2020-09-04 | 湖北及安盾消防科技有限公司 | Fire extinguishing device |
| CN212308705U (en) * | 2020-05-29 | 2021-01-08 | 湖北及安盾消防科技有限公司 | Fire extinguishing device |
| CN213220685U (en) * | 2020-05-29 | 2021-05-18 | 湖北及安盾消防科技有限公司 | Fire extinguishing device |
-
2021
- 2021-05-27 CN CN202110582986.8A patent/CN113230565B/en active Active
Patent Citations (6)
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|---|---|---|---|---|
| WO2015016398A1 (en) * | 2013-07-29 | 2015-02-05 | Cho Eu-Seong | Operation unit for solid-aerosol extinguishing device and solid-aerosol extinguishing device having same |
| CN110141815A (en) * | 2019-06-17 | 2019-08-20 | 深圳市世和安全技术咨询有限公司 | A kind of novel cooling fire extinguisher bomb |
| CN111013071A (en) * | 2019-12-20 | 2020-04-17 | 湖北及安盾消防科技有限公司 | Pressure-building pulse type fire extinguishing method and fire extinguishing device thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2024012013A1 (en) * | 2022-07-12 | 2024-01-18 | 湖北及安盾消防科技有限公司 | Fire extinguishing device |
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| CN113230565B (en) | 2022-07-26 |
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Denomination of invention: An automatic fire extinguishing device using aerosol gas production Effective date of registration: 20231013 Granted publication date: 20220726 Pledgee: Hangzhou United Rural Commercial Bank Co.,Ltd. Gudang Sub branch Pledgor: ZHEJIANG HUASHEN FIRE-FIGHTING TECHNOLOGY CO.,LTD. Registration number: Y2023980060885 |