CN107998541B - Novel fixed fire extinguishing device and method - Google Patents
Novel fixed fire extinguishing device and method Download PDFInfo
- Publication number
- CN107998541B CN107998541B CN201711344060.5A CN201711344060A CN107998541B CN 107998541 B CN107998541 B CN 107998541B CN 201711344060 A CN201711344060 A CN 201711344060A CN 107998541 B CN107998541 B CN 107998541B
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- China
- Prior art keywords
- bottom shell
- propellant
- upper cover
- side wall
- fire extinguishing
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 239000003380 propellant Substances 0.000 claims abstract description 48
- 239000002360 explosive Substances 0.000 claims abstract description 26
- 230000000903 blocking effect Effects 0.000 claims abstract description 19
- 239000002826 coolant Substances 0.000 claims abstract description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 22
- 239000000741 silica gel Substances 0.000 claims description 22
- 229910002027 silica gel Inorganic materials 0.000 claims description 22
- 238000009413 insulation Methods 0.000 claims description 18
- 239000000443 aerosol Substances 0.000 claims description 16
- 238000002955 isolation Methods 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 230000001629 suppression Effects 0.000 claims 2
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C5/00—Making of fire-extinguishing materials immediately before use
- A62C5/006—Extinguishants produced by combustion
Abstract
The invention provides a novel fixed fire extinguishing device and a method, comprising a propellant cylinder, wherein the propellant cylinder is fixed in a bottom shell; a explosive column is fixed inside the propellant cylinder; the cavity between the generant canister and the sump is filled with a coolant; a fire blocking sheet is fixed inside the bottom shell and is opposite to an opening on the side wall of the propellant canister; an upper cover is fixedly arranged at the top of the bottom shell. The novel fixed fire extinguishing device is simple in structure and convenient to install, and the temperature of the device can be effectively reduced.
Description
Technical Field
The invention relates to fire-fighting equipment, in particular to a fixed fire extinguishing device and a fixed fire extinguishing method.
Background
The occurrence of fire often causes great loss to people's life and property. Timely and effective fire-fighting equipment can eliminate fire in the bud. In modern working and living environments, in relatively narrow places such as transportation vehicles, electronic equipment, household appliances, kitchens and the like, the common movable fire extinguishing device can effectively solve the fire extinguishing problem; but to some relative more special spaces, if use application places such as switch board, small-size unmanned on duty basic station, if use current portable extinguishing device, it often can take place to put out a fire untimely and lead to putting out a fire the inefficiency, causes harm to human body or other article. Therefore, a fixed automatic fire extinguishing apparatus is indispensable. Particularly, the aerosol fire extinguishing device is widely applied by the advantages of small volume, non-pressure storage, no need of laying a pipe network and maintenance, high fire extinguishing efficiency, no toxicity, no harm, safety, reliability, environmental protection and the like, but because the aerosol fire extinguishing device can generate heat when being started, if the generated heat is too large, the safety of protected equipment can be endangered.
Disclosure of Invention
In order to overcome the defects of the fixed fire extinguishing device in the prior art, the invention provides a novel fixed fire extinguishing device and a method, wherein the novel fixed fire extinguishing device is simple in structure and convenient to install, and the temperature of the device can be effectively reduced.
In order to achieve the technical features, the invention is realized as follows: a novel fixed fire extinguishing device comprises a propellant cylinder, wherein the propellant cylinder is fixed in a bottom shell; a explosive column is fixed inside the propellant cylinder; a cavity between the generant canister and the sump is filled with a coolant; a fire blocking sheet is fixed inside the bottom shell and is opposite to an opening on the side wall of the propellant generating barrel; an upper cover is fixedly arranged at the top of the bottom shell.
And a first silica gel isolation layer is filled in a gap between the propellant cylinder and the propellant column.
And a second silica gel heat insulation layer is arranged on the inner wall of the upper cover.
The propellant tube is of a single-end closed thin-wall structure, and an axial positioning structure and a radial positioning structure are arranged at the bottom of the propellant tube.
The section of the propellant cylinder is circular or elliptical, and the side wall of the propellant cylinder is provided with at least one side wall opening.
The explosive column is of a columnar structure, the cross section of the explosive column is circular or elliptical, and at least one positioning hole is formed in one end face of the explosive column.
The bottom shell is of a thin-wall structure, the end face of the bottom shell is provided with a flange for connecting the bottom shell and the upper cover, and the flange and the side wall of the upper cover form an air heat insulation layer together; the inner wall of the top of the bottom shell is provided with a check ring, and the check ring is in contact fit with the inner wall of the upper cover and axially limits and seals the upper cover; the bottom shell is a main body component of the device, and a third silica gel heat insulation layer is arranged at the bottom of the inner side of the bottom shell; and a screen is arranged on the side wall of the bottom shell and used as an aerosol nozzle.
The fire blocking sheets are of thin-wall structures, and the number of the fire blocking sheets is the same as that of the openings in the side wall of the propellant generating barrel.
The upper cover is of a thin-wall structure, a notch is machined in the side wall of the upper cover, and the notch serves as an aerosol spraying channel.
The fire extinguishing method adopting any one novel fixed fire extinguishing device comprises the following steps:
step1: igniting the explosive column at the opening of the side wall of the propellant cylinder;
step2: the hot aerosol generated by burning the explosive column is blocked by the fire blocking sheet to be insulated and then chemically reacts with the coolant in the cavity between the propellant cylinder and the bottom shell to absorb heat so as to reduce the temperature of the hot aerosol;
step3: finally, fire extinguishing particles pass through the screen mesh and are discharged from the device through the side wall gap of the upper cover to extinguish fire.
The invention has the following beneficial effects:
1. the explosive column is completely coated by the first silica gel isolation layer, so that a stable silica gel isolation layer is formed between the explosive column and the propellant cylinder, and the combustion and structural stability of the explosive column are improved.
2. The fire blocking sheet can effectively prevent the propellant from burning flame to spray outwards, so that the temperature of the side surface of the device is reduced.
3. Through setting up third silica gel insulating layer and the combined action of second silica gel insulating layer in the inboard bottom of drain pan and the inboard top of upper cover, and then reduce device upper and lower surface temperature.
4. The temperature of the side surface of the device is further reduced through an air heat insulation layer formed by the bottom shell and the side surface of the upper cover; through the combined action of the structures, the temperature of the device per se is greatly reduced in a limited space, the influence on surrounding equipment is reduced, and the use safety of the device is improved.
5. The coolant reacts with the explosive column to reduce temperature when the explosive column is burnt, and particles generated by the reaction participate in fire extinguishing.
Drawings
The invention is further illustrated by the following examples in conjunction with the drawings.
FIG. 1 is a schematic view of the present invention.
Fig. 2 is a schematic structural diagram of the bottom case assembly.
In the figure: the propellant cartridge comprises a propellant cartridge 1, a propellant grain 2, a coolant 3, a bottom shell 4, a fire blocking sheet 5, an upper cover 6, a first silica gel isolation layer 7, a third silica gel heat insulation layer 8, a side wall opening 9, a second silica gel heat insulation layer 10, an axial positioning structure 11, a radial positioning structure 12, a positioning hole 13, a flanging 14, a side wall 15, an air heat insulation layer 16, a check ring 17, a screen 18 and a notch 19.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
Example 1:
referring to fig. 1-2, a novel fixed fire extinguishing device comprises a propellant cartridge 1, wherein the propellant cartridge 1 is fixed in a bottom shell 4; a explosive column 2 is fixed inside the propellant cylinder 1; the cavity between the generant cartridge 1 and the bottom shell 4 is filled with coolant 3; a fire blocking sheet 5 is fixed inside the bottom shell 4, and the fire blocking sheet 5 is over against an opening 9 on the side wall of the propellant canister 1; an upper cover 6 is fixedly mounted on the top of the bottom case 4. By adopting the device, the temperature of the device is greatly reduced in a limited space, the influence on surrounding equipment is reduced, and the use safety of the device is improved.
Further, a first silica gel isolation layer 7 is filled in a gap between the propellant cylinder 1 and the propellant grain 2. Through first silica gel isolation layer 7 play fine thermal-insulated effect, improved the burning of explosive column and structural stability.
Further, a second silica gel heat insulation layer 10 is arranged on the inner wall of the upper cover 6. The temperature of the surface of the whole device can be effectively reduced through the second silica gel heat insulation layer 10.
Further, the propellant tube 1 is of a single-end closed thin-wall structure, and an axial positioning structure 11 and a radial positioning structure 12 are arranged at the bottom of the propellant tube 1. Can fix and install the powder column 2 convenient and fast through foretell location structure.
Further, the axial positioning structure 11 and the radial positioning structure 12 are fixedly connected with the propellant canister 1 by clamping, riveting, welding, thread connection or pin connection or directly arranged as a whole.
Further, the generating agent cartridge 1 has a circular or elliptical cross-sectional shape, and is provided with at least one side wall opening 9 in a side wall thereof. The propellant cartridge 1 can provide a cavity for burning the explosive column.
Further, the grain 2 is a columnar structure, the section of the grain is circular or elliptical, and at least one positioning hole 13 is formed in one end face of the grain.
Further, the bottom shell 4 is of a thin-walled structure, and the end face of the bottom shell is provided with a flange 14 for connecting the bottom shell 4 and the upper cover 6, and simultaneously forms an air heat insulation layer 16 together with the side wall 15 of the upper cover 6; a retainer ring 17 is arranged on the inner wall of the top of the bottom shell 4, and the retainer ring 17 is in contact fit with the inner wall of the upper cover 6 and axially limits and seals the upper cover; the bottom shell 4 is a main body part of the device, and a third silica gel heat insulation layer 8 is arranged at the bottom of the inner side of the bottom shell; the side wall of the bottom shell 4 is provided with a screen 18 as an aerosol nozzle. Further cooling is achieved by the air insulation layer 16.
Furthermore, the fire stop sheets 5 are thin-walled structures, and the number of the fire stop sheets is the same as that of the side wall openings 9 on the propellant canister 1. The fire blocking sheet 5 can play a role in blocking the fire.
Further, the upper cover 6 is of a thin-wall structure, a gap 19 is processed on the side wall 15 of the upper cover 6, and the gap 19 is used as an aerosol spraying channel. The second silica gel heat insulation layer 10 on the top of the heat insulation layer plays roles in isolating temperature and preventing vibration.
Example 2:
the fire extinguishing method adopting any one of the novel fixed fire extinguishing devices comprises the following steps:
step1: igniting the explosive column 2 at the side wall opening 9 of the propellant cylinder 1;
step2: the hot aerosol generated by burning the explosive column 2 is prevented from heat insulation by the fire blocking sheet 5 and then chemically reacts with the coolant 3 in the cavity between the propellant cylinder 1 and the bottom shell 4 to absorb heat and reduce the temperature of the hot aerosol;
step3: finally, the fire extinguishing particles are discharged out of the device through the screen 18 and the side wall gap 19 of the upper cover 6 to extinguish fire.
The working process and the working principle of the invention are as follows:
the explosive column 2 in the embodiment is ignited from an opening 9 on the side wall of the propellant cylinder 1; the generated hot aerosol is blocked by the fire blocking sheet 5 to be insulated and then has a chemical reaction with the coolant 3 in the cavity between the propellant cylinder 1 and the bottom shell 4 to absorb heat and reduce the temperature of the hot aerosol, and finally the fire extinguishing particles are discharged from the device through the gap 19 on the side wall of the upper cover 6 through the screen 18 to extinguish the fire. In the process, the first silica gel heat-insulating layer 7, the fire blocking sheet 5, the coolant 3, the third silica gel heat-insulating layer 8 arranged at the bottom of the inner side of the bottom shell 4 and the top of the inner side of the upper cover 6 are completely coated by the explosive column 2, the second silica gel heat-insulating layer 10, the bottom shell 4 and the upper cover 6 are assembled to form the combined action of the air heat-insulating layer 16, the surface temperature of the device is greatly reduced, the influence on surrounding equipment is reduced, the application range of the device is expanded, and the use safety of the device is improved.
The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the scope of the present invention is defined by the claims, and equivalents including technical features described in the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of this invention.
Claims (7)
1. A novel fixed fire extinguishing apparatus is characterized in that: the propellant powder generating device comprises a propellant powder barrel (1), wherein the propellant powder barrel (1) is fixed in a bottom shell (4); a explosive column (2) is fixed inside the propellant cylinder (1); the cavity between the propellant cartridge (1) and the bottom shell (4) is filled with a coolant (3); a fire blocking sheet (5) is fixed inside the bottom shell (4), and the fire blocking sheet (5) is over against an opening (9) on the side wall of the propellant canister (1); an upper cover (6) is fixedly arranged at the top of the bottom shell (4);
a first silica gel isolation layer (7) is filled in a gap between the generating agent cylinder (1) and the explosive column (2);
a second silica gel heat insulation layer (10) is arranged on the inner wall of the upper cover (6);
the bottom shell (4) is of a thin-wall structure, a flange (14) is arranged on the end face of the bottom shell and is used for connecting the bottom shell (4) and the upper cover (6), and an air heat insulation layer (16) is formed by the bottom shell and the side wall (15) of the upper cover (6); a check ring (17) is arranged on the inner wall of the top of the bottom shell (4), and the check ring (17) is in contact fit with the inner wall of the upper cover (6) and axially limits and seals the upper cover; the bottom shell (4) is a main body component of the device, and a third silica gel heat insulation layer (8) is arranged at the bottom of the inner side of the bottom shell; and a screen (18) is arranged on the side wall of the bottom shell (4) and is used as an aerosol nozzle.
2. A novel fixed fire extinguishing apparatus according to claim 1, wherein: the generating agent barrel (1) is of a single-end closed thin-wall structure, and an axial positioning structure (11) and a radial positioning structure (12) are arranged at the bottom of the generating agent barrel (1).
3. A novel fixed fire extinguishing apparatus according to claim 1, wherein: the section of the propellant cylinder (1) is circular or elliptical, and at least one side wall opening (9) is arranged on the side wall of the propellant cylinder.
4. A novel fixed fire extinguishing apparatus according to claim 1, wherein: the explosive column (2) is of a columnar structure, the cross section of the explosive column is circular or elliptical, and at least one positioning hole (13) is formed in one end face of the explosive column.
5. A novel fixed fire suppression apparatus as defined in claim 1, wherein: the fire blocking sheets (5) are of thin-wall structures, and the number of the fire blocking sheets is the same as that of the side wall openings (9) on the propellant cylinders (1).
6. A novel fixed fire suppression apparatus as defined in claim 1, wherein: the upper cover (6) is of a thin-wall structure, a gap (19) is processed on the side wall (15) of the upper cover (6), and the gap (19) is used as an aerosol spraying channel.
7. A fire extinguishing method using a new fixed fire extinguishing unit according to any one of claims 1-6, characterized in that it comprises the following steps:
step1: igniting the explosive column (2) at the side wall opening (9) of the propellant cylinder (1);
step2: hot aerosol generated by burning the explosive column (2) is blocked and insulated by the fire blocking sheet (5) and then undergoes chemical reaction with the coolant (3) in the cavity between the propellant cylinder (1) and the bottom shell (4) to absorb heat and reduce the temperature of the hot aerosol;
step3: finally, fire extinguishing particles are discharged out of the device through a gap (19) on the side wall of the upper cover (6) through the screen (18) to extinguish fire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711344060.5A CN107998541B (en) | 2017-12-15 | 2017-12-15 | Novel fixed fire extinguishing device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711344060.5A CN107998541B (en) | 2017-12-15 | 2017-12-15 | Novel fixed fire extinguishing device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107998541A CN107998541A (en) | 2018-05-08 |
| CN107998541B true CN107998541B (en) | 2022-12-30 |
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| CN201711344060.5A Active CN107998541B (en) | 2017-12-15 | 2017-12-15 | Novel fixed fire extinguishing device and method |
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| CN111617409A (en) * | 2020-05-28 | 2020-09-04 | 湖北及安盾消防科技有限公司 | Fire extinguishing container, apparatus and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201070502Y (en) * | 2007-01-05 | 2008-06-11 | 陕西坚瑞化工有限责任公司 | Bidirectional horizontal spray type airosol fire-extinguishing equipment |
| CN101716404B (en) * | 2009-05-22 | 2011-10-26 | 南京理工大学 | Cooling filter layer of condensed aerosol fire extinguishing equipment |
| CN101700427B (en) * | 2009-11-20 | 2011-08-17 | 陕西坚瑞消防股份有限公司 | Hot aerosol fire extinguisher with thermostable ablative-insulative layer and manufacture method |
| CN202409921U (en) * | 2011-05-04 | 2012-09-05 | 张燕 | Automatic fire extinguishing device mounted in closed or semi-enclosed space |
| RU2483770C1 (en) * | 2011-12-21 | 2013-06-10 | Валерий Николаевич Козырев | Generator of fire-extinguishing aerosol |
| CN202459922U (en) * | 2012-03-08 | 2012-10-03 | 北京市费尔消防技术工程公司 | Non-temperature-limited condensed aerosol fire extinguishing device used in industrial sites |
| CN103480111B (en) * | 2012-06-12 | 2016-08-03 | 胡永华 | A kind of aerosol fire-extinguishing device and assembly method |
| CN203389256U (en) * | 2013-08-09 | 2014-01-15 | 杭州华神消防科技有限公司 | Reaction device for automatic fire extinguisher |
| CN203861810U (en) * | 2014-05-21 | 2014-10-08 | 关宏 | Aerosol fire-extinguishing device adopting floor type, suspension type, wall-hanging type and embedded type mounting manners |
| CN204815453U (en) * | 2015-07-16 | 2015-12-02 | 蒂尔森克国际公司 | Used explosion -proof, datonation -inhibition type steam colloidal sol extinguishing device in industry field |
| CN207768949U (en) * | 2017-12-15 | 2018-08-28 | 宜昌及安盾消防科技有限公司 | A kind of novel fixed fire extinguishing apparatus |
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| CN107998541A (en) | 2018-05-08 |
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Address after: No. 199, Huaxi Road, bio Industrial Park, Yichang District, Yichang Free Trade Zone, Hubei Province Applicant after: Hubei and Andun Fire Technology Co.,Ltd. Address before: No. 28 Development Avenue, Yichang High-tech Zone, Hubei Province Applicant before: YICHANG JI AN DUN FIRE-FIGHTING TECHNOLOGY Co.,Ltd. |
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Denomination of invention: A new type of fixed fire extinguishing device and method Effective date of registration: 20231214 Granted publication date: 20221230 Pledgee: Bank of Hankou Limited by Share Ltd. Yichang branch Pledgor: Hubei and Andun Fire Technology Co.,Ltd. Registration number: Y2023980071183 |