CN103007467A - Compressed air foam proportioner - Google Patents
Compressed air foam proportioner Download PDFInfo
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- CN103007467A CN103007467A CN2012105648806A CN201210564880A CN103007467A CN 103007467 A CN103007467 A CN 103007467A CN 2012105648806 A CN2012105648806 A CN 2012105648806A CN 201210564880 A CN201210564880 A CN 201210564880A CN 103007467 A CN103007467 A CN 103007467A
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- mixing drum
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Abstract
The invention relates to the technical field of foam mixers, in particular to a compressed air foam proportioner. The compressed air foam proportioner comprises a mixing drum device, a compressed air inlet device and a regulating device; the compressed air foam proportioner can obtain a better foaming effect; meanwhile, the proportion of the air in foam can be controlled by controlling and regulating the discharge amount of the compressed air with the regulating device; and optimal extinguishment effects are reached for different extinguishment situations.
Description
Technical field
The application relates to the foam mixer technical field, particularly a kind of compressed-air foam proportioner.
Background technology
Fire-fighting class fire extinguishing operation based on the compressed-air foam proporting system, for the different periods of different fire kinds and same fire kind, for the ratio that reaches best fire extinguishing effect required mixing firing-fighting medium compressed air, foam solution and water is different, the fire extinguishing effect that the blending agent of same ratio causes because foaming effect is different is also different.
In the prior art, regulate the mixed proportion of compressed air and foam solution and water, it is the vertical compressed air piping that accesses with manual ball valve on the main delivery pipe of premixed foam solution and water, by regulating the size of manual ball valve opening degree, regulate foam solution water mixed liquid and compressed-air actuated ratio thereby control compressed-air actuated flow.
Adopt above-mentioned prior art, have following some deficiency:
1, the foam solution water mixed liquid can't fully contact with the compressed air mixed area is little, the foam diameter of formation discrete inhomogeneous, certainly to analyse the time short, causes foaming effect undesirable;
2, regulate mixed proportion by the manual ball valve of peripheral hardware, only regulated the area of passage of manual ball valve on the peripheral hardware compressed air piping, can't directly regulate foam solution water mixed liquid and compressed-air actuated mixed area, during the adjusting ratio, manual ball valve rear portion compressed air Speed Reduction momentum decline phenomenon appears, when the foam solution water mixed liquid mixes with compressed air, because lacking momentum, compressed air can't fully clash into the foam solution water mixed liquid, the foam diameter that forms disperses inhomogeneous and certainly analyses the time weak point, causes foaming effect undesirable.
Owing to above deficiency, greatly reduce the Combined extinguishing performance of blending agent.
Summary of the invention
The application's purpose is to avoid above-mentioned weak point of the prior art and provides a kind of foam that can allow have fully from analysing time, compressed-air foam proportioner that foaming effect is good.
The application's purpose is achieved through the following technical solutions:
A kind of compressed-air foam proportioner is provided, has comprised mixing drum device, compressed air inlet duct and adjusting device;
Described mixing drum device comprises the first mixing drum and the second mixing drum, described the first mixing drum comprises into bubble end and the first link, described the second mixing drum comprises blebbing end and the second link, and described the first link docks to be connected described the first mixing drum and described the second mixing drum with described the second link;
Described mixing drum device offers the air admission hole for the compression air inlet;
Described compressed air inlet duct comprises fixture, give vent to anger cavity and some ribs that are fixedly connected with, the described cavity of giving vent to anger is fixedly connected with described fixture by being fixedly connected with rib, two adjacent described being fixedly connected with formed head piece between the rib, described fixture offers inlet channel, described air admission hole is communicated to the described cavity of giving vent to anger by described inlet channel, the described cavity of giving vent to anger is evenly equipped with some ventholes, and described the first mixing drum and institute's the second mixing drum are common to be clamped with fixing described fixture;
Described adjusting device, be arranged at describedly give vent to anger in the cavity, and fully closure or the closed described venthole of part;
The mixed liquor of foam solution and water advances the bubble end and enters from described, described when crossing head piece to limit, described outlet chamber side when flowing through, air after the compression is given vent to anger to the described cavity of giving vent to anger and from described venthole through described air admission hole, further mixes rear from described blebbing end ejection with mixed liquor.
Wherein, described adjusting device comprises that fixed mount, rotating shaft, hand are pulled, gear and have the adjusting rod of tooth bar, described fixed mount is passed in described rotating shaft, and described rotating shaft is threaded with described fixed mount, the end that described adjusting rod is in the second mixing drum connects described gear, the tooth bar engagement of described gear and described adjusting rod, described adjusting rod is movably set in the described cavity of giving vent to anger.
Wherein, described the first mixing drum and described the second mixing drum all are set to cylinder, and the described cavity of giving vent to anger is located at the central axis of cylinder.
Wherein, the described cavity of giving vent to anger is set to cylinder, and the described cavity of giving vent to anger is provided with conical deflection cone towards the described end face that advances to steep end.
Wherein, described air admission hole is arranged at described the first mixing drum.
Wherein, described air admission hole is provided with three, and uniform ringwise.
Wherein, described fixture offers annular groove, and described annular groove and described the first mixing drum formation air guide channel, and described air guide channel is communicated with described air admission hole.
Wherein, be provided with packing ring between described the first mixing drum and described the second mixing drum.
Wherein, described air admission hole is provided with dismountable plug.
Wherein, described the first mixing drum and described the second mixing drum are bolted connection.
The application's beneficial effect: the mixed liquor of foam solution and water advances the bubble end and enters from described, described when crossing head piece to limit, described outlet chamber side when flowing through, air after the compression is given vent to anger to the described cavity of giving vent to anger and from described venthole through described air admission hole, and because there is certain length in the cavity of giving vent to anger, and some ventholes are distributed in the described cavity of giving vent to anger, compressed air has the sufficient time to mix with mixed liquor, air after compression has certain momentum can make compressed air mix more abundant contact mixing in collision rapidly, obtain better foaming effect, then foam sprays from described blebbing end, can control by the output of air after the described adjusting device control and regulation compression simultaneously the ratio of foam Air, can be for different fire extinguishing situations, thus reach best fire extinguishing effect.
Description of drawings
Utilize accompanying drawing that the application is described further, but the embodiment in the accompanying drawing does not consist of any restriction to the application, for those of ordinary skill in the art, under the prerequisite of not paying creative work, can also obtain according to the following drawings other accompanying drawing.
Fig. 1 is the cross-sectional view of the application's compressed-air foam proportioner.
Fig. 2 is the cut-away section structural representation of the application's compressed-air foam proportioner.
Fig. 3 is the structural representation at a visual angle of the compressed air inlet duct of Fig. 1.
Fig. 4 is the structural representation at another visual angle of the compressed air inlet duct of Fig. 1.
Reference numeral:
11-the first mixing drum, 12-the second mixing drum, 111-advance bubble end, 112-the first link, 121-blebbing end, 122-the second link, 13-packing ring, 14-air admission hole, 15-plug,
2-compressed air inlet duct, 21-fixture, 211-groove, 22-give vent to anger cavity, 221-venthole, 23-be fixedly connected with rib, 231-inlet channel, 24-deflection cone, 25-cross head piece,
31-adjusting rod, 32-gear, 33-rotating shaft, 34-fixed mount, 35-hand are pulled.
The specific embodiment
With the following Examples the application is further described.
The specific embodiment of the application's compressed-air foam proportioner as shown in Figures 1 to 4, comprises mixing drum device, compressed air inlet duct 2 and adjusting device.
Particularly, as shown in Figure 1, described mixing drum device comprises the first mixing drum 11 and the second mixing drum 12, described the first mixing drum 11 comprises into bubble end 111 and the first link 112, described the second mixing drum 12 comprises blebbing end 121 and the second link 122, and described the first link 112 docks to be connected described the first mixing drum 11 and described the second mixing drum 12 with described the second link 122.
Described mixing drum device offers the air admission hole 14 for the compression air inlet.
At Fig. 3, shown in Figure 4, described compressed air inlet duct 2 comprises fixture 21, give vent to anger cavity 22 and some ribs 23 that are fixedly connected with, the described cavity 22 of giving vent to anger is fixedly connected with described fixture 21 by being fixedly connected with rib 23, two adjacent described being fixedly connected with formed head piece 25 between the rib 23, described fixture 21 offers inlet channel 231, described air admission hole 14 is communicated to the described cavity 22 of giving vent to anger by described inlet channel 231, the described cavity 22 of giving vent to anger is evenly equipped with some ventholes 221, described the first mixing drum 11 and described the second mixing drum 12 common clampings with fixing described fixture 21.
Such as Fig. 1, shown in Figure 2, described adjusting device comprises fixed mount 34, rotating shaft 33, hand pulls 35, gear 32 and the adjusting rod 31 with tooth bar, be arranged in the described cavity 22 of giving vent to anger, and fully closure or the closed described venthole 221 of part, described adjusting device is connected in described the second mixing drum 12, described fixed mount 34 is passed in described rotating shaft 33, and described rotating shaft 33 is threaded with described fixed mount 34, the end that described adjusting rod 31 is in the second mixing drum 12 connects described gear 32, described gear 32 meshes with the tooth bar of described adjusting rod 31, described adjusting rod 31 is movably set in the described cavity 22 of giving vent to anger, pull the described rotating shaft 33 of 35 rotations by hand and regulate described adjusting rod 31 in the position of the described cavity 22 of giving vent to anger, fully closed or closed some described ventholes 221 of part, and then reach the purpose of adjusting.
The mixed liquor of foam solution and water advances bubble end 111 and enters from described, the described head piece 25 of crossing is given vent to anger during cavity 22 side to described when flowing through, air after the compression is given vent to anger to the described cavity 22 of giving vent to anger and from described venthole 221 through described air admission hole 14, and because there is certain length in the cavity 22 of giving vent to anger, and some ventholes 221 are distributed in the described cavity 22 of giving vent to anger, compressed air has the sufficient time to mix with mixed liquor, air after compression has certain momentum can make compressed air contact mixing so that mixedly more abundant in collision rapidly, obtain better foaming effect, then foam is from described blebbing end 121 ejections, can control by the output of air after the described adjusting device control and regulation compression simultaneously the ratio of foam Air, can be for different fire extinguishing situations, thus reach best fire extinguishing effect.
Concrete, described air admission hole 14 is external to the compressed air generator.
Concrete, described the first mixing drum 11 and described the second mixing drum 12 all are set to cylinder, the described cavity 22 of giving vent to anger is located at the central axis of cylinder, the described cavity 22 of giving vent to anger is set to cylinder, and the described cavity 22 of giving vent to anger is provided with conical deflection cone 24 towards the described end face that advances to steep end 111, when the mixed liquor of foam solution and the water described cavity 22 of giving vent to anger of flowing through makes, 24 pairs of mixed liquors of described deflection cone carry out water conservancy diversion, mixed liquor can be uniformly to around flow away so that the mixed liquor of foam solution and water can more full and uniform mixing with compressed air.
Described air admission hole 14 is arranged at described the first mixing drum 11.
Described air admission hole 14 is provided with three, and uniform ringwise, described fixture 21 offers annular groove 211, and described annular groove 211 forms air guide channel with described the first mixing drum 11, described air guide channel is communicated with described air admission hole 14, when compressed air generator only during external one or two described air admission hole 14, can be uniform to the described cavity 22 of giving vent to anger to inlet channel 231 the compressed air water conservancy diversion by described air guide channel, so that all are the same from venthole 221 compressed-air actuated momentum out, compressed air and mixed liquor to mix meeting more even.
Described the first mixing drum 11 and 12 of described the second mixing drums are provided with packing ring 13, so that the better tightness of described the first mixing drum and described the second mixing drum.
Described air admission hole 14 is provided with dismountable plug 15, and when not needing compressed air to mix, available plug 15 is blocked described air admission hole 14, can enlarge the scope of application of this compressed-air foam proportioner.
Described the first mixing drum 11 is bolted connection with described the second mixing drum 122, can dismantle easily, and each part of compressed-air foam proportioner inside can be keeped in repair and change easily, reduces cost.
Should be noted that at last; above embodiment is only in order to illustrate the application's technical scheme; but not to the restriction of the application's protection domain; although with reference to preferred embodiment the application has been done to explain; those of ordinary skill in the art is to be understood that; can make amendment or be equal to replacement the application's technical scheme, and not break away from essence and the scope of present techniques scheme.
Claims (10)
1. the compressed-air foam proportioner is characterized in that, comprises mixing drum device, compressed air inlet duct and adjusting device;
Described mixing drum device comprises the first mixing drum and the second mixing drum, described the first mixing drum comprises into bubble end and the first link, described the second mixing drum comprises blebbing end and the second link, and described the first link docks to be connected described the first mixing drum and described the second mixing drum with described the second link;
Described mixing drum device offers the air admission hole for the compression air inlet;
Described compressed air inlet duct comprises fixture, give vent to anger cavity and some ribs that are fixedly connected with, the described cavity of giving vent to anger is fixedly connected with described fixture by being fixedly connected with rib, two adjacent described being fixedly connected with formed head piece between the rib, described fixture offers inlet channel, described air admission hole is communicated to the described cavity of giving vent to anger by described inlet channel, the described cavity of giving vent to anger is evenly equipped with some ventholes, and described the first mixing drum and institute's the second mixing drum are common to be clamped with fixing described fixture;
Described adjusting device, be arranged at describedly give vent to anger in the cavity, and fully closure or the closed described venthole of part;
The mixed liquor of foam solution and water advances the bubble end and enters from described, described when crossing head piece to limit, described outlet chamber side when flowing through, air after the compression is given vent to anger to the described cavity of giving vent to anger and from described venthole through described air admission hole, further mixes rear from described blebbing end ejection with mixed liquor.
2. compressed-air foam proportioner according to claim 1, it is characterized in that, described adjusting device comprises that fixed mount, rotating shaft, hand are pulled, gear and have the adjusting rod of tooth bar, described fixed mount is passed in described rotating shaft, and described rotating shaft is threaded with described fixed mount, the end that described adjusting rod is in the second mixing drum connects described gear, the tooth bar engagement of described gear and described adjusting rod, and described adjusting rod is movably set in the described cavity of giving vent to anger.
3. compressed-air foam proportioner according to claim 2 is characterized in that, described the first mixing drum and described the second mixing drum all are set to cylinder, and the described cavity of giving vent to anger is located at the central axis of cylinder.
4. compressed-air foam proportioner according to claim 1 is characterized in that, the described cavity of giving vent to anger is set to cylinder, and the described cavity of giving vent to anger is provided with conical deflection cone towards the described end face that advances to steep end.
5. compressed-air foam proportioner according to claim 1 is characterized in that, described air admission hole is arranged at described the first mixing drum.
6. compressed-air foam proportioner according to claim 5 is characterized in that, described air admission hole is provided with three, and uniform ringwise.
7. compressed-air foam proportioner according to claim 1 is characterized in that, described fixture offers annular groove, and described annular groove and described the first mixing drum formation air guide channel, and described air guide channel is communicated with described air admission hole.
8. compressed-air foam proportioner according to claim 1 is characterized in that, is provided with packing ring between described the first mixing drum and described the second mixing drum.
9. compressed-air foam proportioner according to claim 1 is characterized in that, described air admission hole is provided with dismountable plug.
10. compressed-air foam proportioner according to claim 1 is characterized in that, described the first mixing drum and described the second mixing drum are bolted connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210564880.6A CN103007467B (en) | 2012-12-24 | 2012-12-24 | Compressed air foam proportioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210564880.6A CN103007467B (en) | 2012-12-24 | 2012-12-24 | Compressed air foam proportioner |
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| Publication Number | Publication Date |
|---|---|
| CN103007467A true CN103007467A (en) | 2013-04-03 |
| CN103007467B CN103007467B (en) | 2015-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210564880.6A Active CN103007467B (en) | 2012-12-24 | 2012-12-24 | Compressed air foam proportioner |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104984496A (en) * | 2015-07-31 | 2015-10-21 | 西安新竹防灾救生设备有限公司 | Wet-type tail-end foam proportion mixing device |
| CN110559578A (en) * | 2018-06-06 | 2019-12-13 | 中国石油化工股份有限公司 | Movable foaming device capable of adjusting gas-liquid ratio and compressing gas foam |
| CN110960820A (en) * | 2019-12-12 | 2020-04-07 | 江苏深渡消防装备科技有限公司 | Proportional mixer for foam fire extinguishing system |
| CN112675456A (en) * | 2020-12-29 | 2021-04-20 | 无锡润年自动化科技有限公司 | High power foam fire extinguisher |
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| US5255747A (en) * | 1992-10-01 | 1993-10-26 | Hale Fire Pump Company | Compressed air foam system |
| US20030019952A1 (en) * | 2001-07-27 | 2003-01-30 | Hunter Jack H. | Air-assisted, low pressure spray equipment having an improved spray nozzle |
| CN102058945A (en) * | 2010-11-25 | 2011-05-18 | 西安新竹防灾救生设备有限公司 | Gas-liquid dual-phase mixer |
| CN202017516U (en) * | 2011-03-21 | 2011-10-26 | 西安西科煤矿安全通风防灭火研究所有限公司 | Fireproof extinguishing foam generator for mining |
| CN202342724U (en) * | 2011-11-23 | 2012-07-25 | 天津瑞希尔科技有限公司 | Quantity-variable foam mixing device |
| CN203090311U (en) * | 2012-12-24 | 2013-07-31 | 东莞市永强汽车制造有限公司 | Compressed air foam proportioner |
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2012
- 2012-12-24 CN CN201210564880.6A patent/CN103007467B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US5255747A (en) * | 1992-10-01 | 1993-10-26 | Hale Fire Pump Company | Compressed air foam system |
| US20030019952A1 (en) * | 2001-07-27 | 2003-01-30 | Hunter Jack H. | Air-assisted, low pressure spray equipment having an improved spray nozzle |
| CN102058945A (en) * | 2010-11-25 | 2011-05-18 | 西安新竹防灾救生设备有限公司 | Gas-liquid dual-phase mixer |
| CN202017516U (en) * | 2011-03-21 | 2011-10-26 | 西安西科煤矿安全通风防灭火研究所有限公司 | Fireproof extinguishing foam generator for mining |
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| CN203090311U (en) * | 2012-12-24 | 2013-07-31 | 东莞市永强汽车制造有限公司 | Compressed air foam proportioner |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104984496A (en) * | 2015-07-31 | 2015-10-21 | 西安新竹防灾救生设备有限公司 | Wet-type tail-end foam proportion mixing device |
| CN104984496B (en) * | 2015-07-31 | 2019-01-25 | 西安新竹防灾救生设备有限公司 | A kind of wet type distal foam proportion mixer |
| CN110559578A (en) * | 2018-06-06 | 2019-12-13 | 中国石油化工股份有限公司 | Movable foaming device capable of adjusting gas-liquid ratio and compressing gas foam |
| CN110960820A (en) * | 2019-12-12 | 2020-04-07 | 江苏深渡消防装备科技有限公司 | Proportional mixer for foam fire extinguishing system |
| CN112675456A (en) * | 2020-12-29 | 2021-04-20 | 无锡润年自动化科技有限公司 | High power foam fire extinguisher |
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| Publication number | Publication date |
|---|---|
| CN103007467B (en) | 2015-03-18 |
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