CN101920085B - Positive pressure type foam fire-extinguishing device and use method thereof - Google Patents
Positive pressure type foam fire-extinguishing device and use method thereof Download PDFInfo
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- CN101920085B CN101920085B CN 201010271730 CN201010271730A CN101920085B CN 101920085 B CN101920085 B CN 101920085B CN 201010271730 CN201010271730 CN 201010271730 CN 201010271730 A CN201010271730 A CN 201010271730A CN 101920085 B CN101920085 B CN 101920085B
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- foam
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- fire
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- 239000006260 foam Substances 0.000 title claims abstract description 198
- 238000000034 method Methods 0.000 title claims abstract description 10
- 239000007788 liquid Substances 0.000 claims abstract description 89
- 239000000203 mixture Substances 0.000 claims abstract description 22
- 239000007789 gas Substances 0.000 claims description 49
- 239000010902 straw Substances 0.000 claims description 15
- 241000883990 Flabellum Species 0.000 claims description 11
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 230000003116 impacting effect Effects 0.000 claims description 3
- 239000000243 solution Substances 0.000 description 21
- 238000005516 engineering process Methods 0.000 description 6
- 238000005187 foaming Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 230000006872 improvement Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 239000011493 spray foam Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a positive pressure type foam fire-extinguishing device and a use method thereof. The fire-extinguishing device comprises a foam liquid storage tank, a foam tank liquid outlet and a foam mixed liquid suction tube and also comprises a foam generator and a mixed liquid spoiler, wherein the foam liquid storage tank is used to store high pressure gas and foam mixed liquid; the foam generator is used to fully mix high pressure gas and foam mixed liquid and form compressed gas foam; the foam generator is further provided with a foam liquid nozzle; and the foam liquid nozzle is connected with the foam mixed liquid suction tube and used to inject foam mixed liquid in the foam generator through the foam mixed liquid suction tube. By using the positive pressure type foam fire-extinguishing device, the mixing of foam mixed liquid and gas can be greatly improved, the sprayed foam has high kinetic energy, and the fire-extinguishing speed and intensity are obviously increased compared with the prior art.
Description
Technical field
The present invention relates to the FSE technical field, particularly a kind of positive pressure type foam fire-extinguishing device and using method thereof.
Background technology
In the prior art, the fire extinguisher application places, in the petrochemical industry places such as gas station, tank field, oil depot, process units and civilian fire-fighting zone, portable, the cart type and the fixed foam annihilator that use all are to adopt suction type (air suction type) foam fire-fighting mode, and namely foam solution forms the foam ejection at the shower nozzle place from extraneous air amount.The frostproof froth n unstable properties that sprays, foam jet intensity is low, coefficient of foaming is low, drain time is short.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of positive pressure type foam fire-extinguishing device and using method thereof.Positive pressure type foam fire-extinguishing device of the present invention does not adopt the suction type foam theory of foam solution in the prior art, and use the positive-pressure type foam theory instead, when foam mixing liquid in when ejection, in mixed liquor, pass into by force the part gases at high pressure, reinforcement gas mixes with mixed liquor, improve the performance of foam, increased the kinetic energy of ejection foam.
For solving the problems of the technologies described above, the invention provides a kind of positive pressure type foam fire-extinguishing device, comprising: foam liquid tank, the foam tank liquid outlet, the foams mix liquid straw, described positive pressure type foam fire-extinguishing device further comprises foam maker and mixed liquor flow spoiler.
Described foam liquid tank is used for storage gases at high pressure and foam mixing liquid;
Described foam maker is used for gases at high pressure are fully mixed the formation compressed air foam with foam mixing liquid.
Described foam maker can further be provided with the foam solution nozzle;
Described foam solution nozzle preferably links to each other with the foams mix liquid straw is described, is used for foam mixing liquid is injected in the described foam maker from the foams mix liquid straw.
Described mixed liquor flow spoiler is preferably disposed on the inside of described foam maker, is used for directly impacting mixed disturb foam mixing liquid and gases at high pressure.
Described mixed liquor flow spoiler may further include outer wall, turbine and flabellum.
The outer wall of described mixed liquor flow spoiler, preferably the inboard is the outer wall of spiral yarn shaped groove.
Described flabellum preferably is fixed on the described turbine.
The inwall of described spiral yarn shaped groove and the flabellum that is fixed on the turbine interact, and are used for foam mixing liquid is fully mixed the formation compressed air foam with gases at high pressure.
For solving the problems of the technologies described above, the present invention also provides a kind of using method of positive pressure type foam fire-extinguishing device, may further comprise the steps:
In the foam solution nozzle injected foam maker, direct impingement mix liquid flow spoiler, liquid flowed and smash thereupon foam solution, and are dispersed from the foams mix liquid straw;
Simultaneously, the gases at high pressure in the foam liquid tank inject in the foam maker;
Gases at high pressure with disperse after liquid stream fully mixes and forms compressed air foam, outside by foam tank liquid outlet ejection storage tank, enforcement is put out a fire.
Described positive pressure type foam fire-extinguishing device preferably further is provided with the gas access, and the gases at high pressure in the foam liquid tank inject in the foam maker by the gas access.
The shortcomings such as positive pressure type foam fire-extinguishing device of the present invention has overcome the frostproof froth n unstable properties that fixed froth installation sprays in the prior art, and foam jet intensity is low, coefficient of foaming is low, drain time is short.Can greatly improve the ability of mixing of foam mixing liquid and gas, so that the foam of ejection has kinetic energy, the fire extinguishing effect has clear improvement than prior art.
Description of drawings
Fig. 1 is the described positive pressure type foam fire-extinguishing device structure chart of the embodiment of the invention.
The specific embodiment
Positive pressure type foam fire-extinguishing device of the present invention, system are mainly used in portable, the transportable fire extinguisher application places of dry powder, foam, such as petrochemical industry place and civilian fire-fighting zones such as gas station, tank field, oil depot, process units.
The present invention is provided with foam maker in the foam storage tank, be provided with the foam solution nozzle in the foam maker, and the tank skin of foam maker is provided with air admission hole, and foam maker has two functions, and one, spray foam; Two, gases at high pressure are mixed with mixed liquor.
As shown in Figure 1, be the described positive pressure type foam fire-extinguishing device structure chart of the embodiment of the invention.Wherein, various piece is respectively: 1, foam maker, 2, the mixed liquor flow spoiler, 3, the gas access, 4, the foams mix liquid straw, 5, foam liquid tank, 6, the foam solution nozzle, 7, the foam tank liquid outlet.
Foam liquid tank 5 inside are provided with foam maker 1, be provided with foam solution nozzle 6 in the foam maker 1, foam solution and gases at high pressure are stored in the foam liquid tank 5 simultaneously, gases at high pressure place foam solution top, foam solution under the promotion of gases at high pressure from foams mix liquid straw 4 through foam solution nozzle 6 inject foam maker 1 interior after, direct impingement mix liquid flow spoiler 2, liquid stream smashes thereupon, and is dispersed; Simultaneously, the gases at high pressure in the foam liquid tank 5 inject in the foam makers 1 by gas access 3, gases at high pressure with disperse after liquid stream fully mixes and forms compressed air foam, by foam tank liquid outlet 7 ejection storage tanks outsides, enforcement is put out a fire.In order to guarantee to have higher pressure in the final stage that foam solution sprays, thereby so that the foam of last ejection has higher kinetic energy, should calculate according to foam solution reserves and gases at high pressure injection rate the first dress pressure of foam liquid tank 5.
Mixed liquor flow spoiler 2, can be further comprise inboard for the outer wall of spiral yarn shaped groove, turbine be fixed on flabellum on the turbine.The inwall of spiral yarn shaped groove and the flabellum that is fixed on the turbine fully mix the formation compressed air foam to mixed liquor with gases at high pressure.
Mixed liquor flow spoiler 2, also can be further to comprise: column type sidewall and top cover, described column type sidewall further has base plate, inside at described column type sidewall, at least one bar-shaped or flat turbulent element is configured to extend to described base plate from described top cover, and make described turbulent element be fixed to location between described base plate and the top cover, described fixed form can be the mode that is fixedly clamped.
In another embodiment of the present invention, provide a kind of positive pressure type foam fire-extinguishing device, having comprised: foam liquid tank, the foam tank liquid outlet, the foams mix liquid straw, described positive pressure type foam fire-extinguishing device further comprises foam maker and mixed liquor flow spoiler.
Described foam liquid tank is used for storage gases at high pressure and foam mixing liquid;
Described foam maker is used for gases at high pressure are fully mixed the formation compressed air foam with foam mixing liquid.
Described foam maker can further be provided with the foam solution nozzle;
Described foam solution nozzle preferably links to each other with the foams mix liquid straw is described, is used for foam mixing liquid is injected in the described foam maker from the foams mix liquid straw.
Described mixed liquor flow spoiler is preferably disposed on the inside of described foam maker, is used for directly impacting mixed disturb foam mixing liquid and gases at high pressure.
Described mixed liquor flow spoiler may further include outer wall, turbine and flabellum.
The outer wall of described mixed liquor flow spoiler, preferably the inboard is the outer wall of spiral yarn shaped groove.
Described flabellum preferably is fixed on the described turbine.
The inwall of described spiral yarn shaped groove and the flabellum that is fixed on the turbine interact, and are used for foam mixing liquid is fully mixed the formation compressed air foam with gases at high pressure.
For solving the problems of the technologies described above, the present invention also provides a kind of using method of positive pressure type foam fire-extinguishing device, may further comprise the steps:
In the foam solution nozzle injected foam maker, direct impingement mix liquid flow spoiler, liquid flowed and smash thereupon foam solution, and are dispersed from the foams mix liquid straw;
Simultaneously, the gases at high pressure in the foam liquid tank inject in the foam maker;
Gases at high pressure with disperse after liquid stream fully mixes and forms compressed air foam, outside by foam tank liquid outlet ejection storage tank, enforcement is put out a fire.
Described positive pressure type foam fire-extinguishing device preferably further is provided with the gas access, and the gases at high pressure in the foam liquid tank inject in the foam maker by the gas access.
Utilize cart type positive pressure froth fire extinguishing device (65L) and existing commercially available cart type suction type foam annihilator (65L) to carry out entity fire fire extinguishing contrast test.1.73m is adopted in test
2Food tray, first at food tray bottom injected water bed course 2cm, the 20L93# motor petrol that reinjects is lighted after oil reservoir and water layer are stable, then pre-burning 1min opens the cart type foam annihilator and implements to put out a fire, result of the test is as shown in table 1.
Table 1 cart type malleation and the test of negative pressure foam fire fighting with fire extinguisher are relatively
| Comparative run | The suction type foam annihilator | The positive pressure froth fire extinguishing device |
| Foam drainage time | Less than 2min | 4min |
| Average coefficient of foaming | 5.6 | 7.9 |
| Attack time | 66.2s | 17.9s |
The shortcomings such as positive pressure type foam fire-extinguishing device of the present invention has overcome the frostproof froth n unstable properties that fixed froth installation sprays in the prior art, and foam jet intensity is low, coefficient of foaming is low, drain time is short.Can greatly improve the ability of mixing of foam mixing liquid and gas, so that the foam of ejection has kinetic energy, fire-fighting efficiency has clear improvement than prior art.
This intellectual property of primary enforcement that all are above-mentioned is not set this new product of the other forms of enforcement of restriction.Those skilled in the art will utilize this important information, and foregoing is revised, to realize similar implementation status.But all modifications or transformation belong to the right of reservation based on new product of the present invention.
The above only is preferred embodiment of the present invention, is not to be the restriction of the present invention being made other form, and any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solution of the present invention content that do not break away to any simple modification, equivalent variations and remodeling that above embodiment does, still belongs to the protection domain of technical solution of the present invention according to technical spirit of the present invention.
Claims (2)
1. positive pressure type foam fire-extinguishing device comprises: foam liquid tank, and the foam tank liquid outlet, the foams mix liquid straw is characterized in that, described positive pressure type foam fire-extinguishing device further comprises foam maker and mixed liquor flow spoiler;
Described foam liquid tank is used for storage gases at high pressure and foam mixing liquid;
Described foam maker is used for gases at high pressure are fully mixed the formation compressed air foam with foam mixing liquid;
Described foam maker further is provided with the foam solution nozzle;
Described foam solution nozzle links to each other with the foams mix liquid straw is described, is used for foam mixing liquid is injected in the described foam maker from the foams mix liquid straw;
Described mixed liquor flow spoiler is arranged at the inside of described foam maker, is used for directly impacting mixed disturb foam mixing liquid and gases at high pressure;
Described mixed liquor flow spoiler further comprises outer wall, turbine and flabellum;
The outer wall of described mixed liquor flow spoiler is the inboard outer wall of spiral yarn shaped groove that is;
Described flabellum is fixed on the described turbine;
The inwall of described spiral yarn shaped groove and the flabellum that is fixed on the turbine interact, and are used for foam mixing liquid is fully mixed the formation compressed air foam with gases at high pressure;
In the described positive pressure type foam fire-extinguishing device, foam solution and gases at high pressure are stored in the foam liquid tank simultaneously, and gases at high pressure place foam solution top; Foam solution under the promotion of gases at high pressure from the foams mix liquid straw after the foam solution nozzle injects in the foam maker, direct impingement mix liquid flow spoiler, liquid stream smashes thereupon, and is dispersed; Simultaneously, the gases at high pressure in the foam liquid tank inject in the foam maker by the gas access, gases at high pressure with disperse after liquid stream fully mixes and forms compressed air foam, by foam tank liquid outlet ejection storage tank outside, enforcement is put out a fire.
2. the using method of positive pressure type foam fire-extinguishing device as claimed in claim 1 is characterized in that, may further comprise the steps:
In the foam solution nozzle injected foam maker, direct impingement mix liquid flow spoiler, liquid flowed and smash thereupon foam solution, and are dispersed from the foams mix liquid straw;
Simultaneously, the gases at high pressure in the foam liquid tank inject in the foam maker;
Gases at high pressure with disperse after liquid stream fully mixes and forms compressed air foam, outside by foam tank liquid outlet ejection storage tank, enforcement is put out a fire;
Described positive pressure type foam fire-extinguishing device further is provided with the gas access, and the gases at high pressure in the foam liquid tank inject in the foam maker by the gas access.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010271730 CN101920085B (en) | 2010-09-03 | 2010-09-03 | Positive pressure type foam fire-extinguishing device and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010271730 CN101920085B (en) | 2010-09-03 | 2010-09-03 | Positive pressure type foam fire-extinguishing device and use method thereof |
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| CN101920085A CN101920085A (en) | 2010-12-22 |
| CN101920085B true CN101920085B (en) | 2013-04-03 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102500079A (en) * | 2011-10-18 | 2012-06-20 | 中国石油化工股份有限公司 | Foam generator for compressed gas |
| CN102380179A (en) * | 2011-10-18 | 2012-03-21 | 中国石油化工股份有限公司 | Positive pressure type compressed gas bubble fire extinguisher |
| CN104759050A (en) * | 2015-03-19 | 2015-07-08 | 中国石油化工股份有限公司 | Bulk-flow built-in non-premixed compressed air foam extinguishing apparatus |
| CN104771853A (en) * | 2015-03-19 | 2015-07-15 | 中国石油化工股份有限公司 | Large-flow built-in premix-type compressed air/foam extinguishing device |
| CN105344041A (en) * | 2015-11-12 | 2016-02-24 | 中国石油化工股份有限公司 | Pressure storage type compressed gas foam extinguishing system |
| WO2017165309A1 (en) * | 2016-03-21 | 2017-09-28 | Mahrt David | Compressed air foam system with in-tank manifold |
| CN207445395U (en) * | 2017-03-01 | 2018-06-05 | 中国石油化工股份有限公司 | A kind of foam-generating device using chemical reaction |
| CN108525168B (en) | 2017-03-01 | 2021-05-28 | 中国石油化工股份有限公司 | Foam generating method and application thereof and fire extinguishing method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101612458A (en) * | 2009-07-31 | 2009-12-30 | 淄博吉孚消防科技有限公司 | Energy storage positive pressure froth fire extinguishing system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP1500413A1 (en) * | 2003-07-24 | 2005-01-26 | Tony Brändle AG Wil | Fire extinguishing device |
| CN101543669B (en) * | 2009-04-03 | 2012-01-11 | 北京中卓时代消防装备科技有限公司 | Vehicular compressed air foam fire-extinguishing system |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101612458A (en) * | 2009-07-31 | 2009-12-30 | 淄博吉孚消防科技有限公司 | Energy storage positive pressure froth fire extinguishing system |
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