CN103007467B - Compressed air foam proportioner - Google Patents
Compressed air foam proportioner Download PDFInfo
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- CN103007467B CN103007467B CN201210564880.6A CN201210564880A CN103007467B CN 103007467 B CN103007467 B CN 103007467B CN 201210564880 A CN201210564880 A CN 201210564880A CN 103007467 B CN103007467 B CN 103007467B
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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 foam mixer technical field, particularly a kind of compressed-air foam proportioner.
Background technology
Based on the fire-fighting class extinguishing operation of compressed-air foam proporting system, for the Different periods of different fire kind and same fire kind, for the ratio reaching mixing firing-fighting medium compressed air, foam solution and water needed for best extinguishing effect is different, the extinguishing effect that the blending agent of same ratio causes because foaming effect is different is also different.
In prior art, regulate the mixed proportion of compressed air and foam solution and water, it is the compressed air piping of vertical access band manual ball valve on premixed foam solution with the main delivery pipe of water, by regulating the size of manual ball valve opening degree, controlling compressed-air actuated flow thus regulating foam solution water mixed liquid and compressed-air actuated ratio.
Adopt above-mentioned prior art, there is some deficiency following:
1, foam solution water mixed liquid cannot fully contact with compressed air mixed area is little, the foam diameter of formation discrete uneven, certainly to analyse the time short, causes foaming effect undesirable;
2, mixed proportion is regulated by the manual ball valve of peripheral hardware, only have adjusted the area of passage of manual ball valve on peripheral hardware compressed air piping, directly cannot regulate foam solution water mixed liquid and compressed-air actuated mixed area, during adjustment ratio, occur that manual ball valve rear portion compressed air speed reduces momentum decline phenomenon, when foam solution water mixed liquid mixes with compressed air, fully cannot clash into foam solution water mixed liquid because compressed air lacks momentum, the foam diameter formed is discrete uneven and the time of certainly analysing is short, causes foaming effect undesirable.
Due to above deficiency, greatly reduce the Combined extinguishing performance of blending agent.
Summary of the invention
The object of the application 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 object of the application is achieved through the following technical solutions:
Provide a kind of compressed-air foam proportioner, comprise 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 first mixing drum comprises into bubble end and the first link, described second mixing drum comprises blebbing end and the second link, and described first link and described second link dock to be connected described first mixing drum and described second mixing drum;
Described mixing drum device offers the air admission hole for compression air inlet;
Described compressed air inlet duct comprises fixture, cavity of giving vent to anger is fixedly connected with rib with some, described cavity of giving vent to anger is fixedly connected with described fixture by being fixedly connected with rib, be fixedly connected with between rib described in adjacent two and formed head piece, described fixture offers inlet channel, to give vent to anger described in described air admission hole is communicated to by described inlet channel cavity, described cavity of giving vent to anger is evenly equipped with some ventholes, and described first mixing drum and the second mixing drum clamp with fixing described fixture jointly;
Described adjusting device, to give vent to anger described in being arranged in cavity and can close completely or part closes described venthole;
The mixed liquor of foam solution and water enters to steep end enter from described, when flowing through described mistake head piece to described limit, outlet chamber side, air after compression through described air admission hole to described in give vent to anger in cavity and give vent to anger from described venthole, from described blebbing end ejection after mixing further with mixed liquor.
Wherein, described adjusting device comprises fixed mount, rotating shaft, hand are pulled, gear and have the adjusting rod of tooth bar, described rotating shaft is through described fixed mount, and described rotating shaft is threaded with described fixed mount, described adjusting rod one end be in the second mixing drum connects described gear, described gear engages with the tooth bar of described adjusting rod, cavity of giving vent to anger described in described adjusting rod is movably set in.
Wherein, described first mixing drum and described second mixing drum are all set to cylinder, described in cavity of giving vent to anger be located at the central axis of cylinder.
Wherein, described in cavity of giving vent to anger be set to cylinder, and described in give vent to anger cavity towards described enter the end face of bubble end be provided with conical deflection cone.
Wherein, described air admission hole is arranged at described 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 first mixing drum form air guide channel, and described air guide channel is communicated with described air admission hole.
Wherein, packing ring is provided with between described first mixing drum and described second mixing drum.
Wherein, described air admission hole is provided with dismountable plug.
Wherein, described first mixing drum and described second mixing drum are bolted connection.
The beneficial effect of the application: the mixed liquor of foam solution and water enters to steep end enter from described, when flowing through described mistake head piece to described limit, outlet chamber side, air after compression through described air admission hole to described in give vent to anger in cavity and give vent to anger from described venthole, and there is certain length due to cavity of giving vent to anger, and some ventholes be distributed in described in give vent to anger cavity, compressed air and mixed liquor have the sufficient time to mix, air after compression has certain momentum that compressed air can be made to mix in collision rapidly more fully to contact mixing, obtain better foaming effect, then foam sprays from described blebbing end, control the ratio of air in foam by the output of air after described adjusting device control and regulation compression simultaneously, can for different fire extinguishing situations, thus reach best extinguishing effect.
Accompanying drawing explanation
Utilize accompanying drawing to be described further the application, but the embodiment in accompanying drawing does not form any restriction to the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the following drawings.
Fig. 1 is the cross-sectional view of the compressed-air foam proportioner of the application.
Fig. 2 is the cut-away section structural representation of the compressed-air foam proportioner of the application.
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-first mixing drum, 12-second mixing drum, 111-enter bubble end, 112-first link, 121-blebbing end, 122-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 that cavity, 221-venthole, 23-are 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.
Detailed description of the invention
With the following Examples the application is further described.
The detailed description of the invention of the compressed-air foam proportioner of the application, 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 first mixing drum 11 comprises into bubble end 111 and the first link 112, described second mixing drum 12 comprises blebbing end 121 and the second link 122, and described first link 112 and described second link 122 dock to be connected described first mixing drum 11 and described second mixing drum 12.
Described mixing drum device offers the air admission hole 14 for compression air inlet.
At Fig. 3, shown in Fig. 4, described compressed air inlet duct 2 comprises fixture 21, cavity 22 of giving vent to anger is fixedly connected with rib 23 with some, described cavity 22 of giving vent to anger is fixedly connected with described fixture 21 by being fixedly connected with rib 23, be fixedly connected with described in adjacent two between rib 23 and formed head piece 25, described fixture 21 offers inlet channel 231, to give vent to anger described in described air admission hole 14 is communicated to by described inlet channel 231 cavity 22, described cavity 22 of giving vent to anger is evenly equipped with some ventholes 221, described first mixing drum 11 and described second mixing drum 12 clamp jointly with fixing described fixture 21.
As Fig. 1, shown in Fig. 2, described adjusting device comprises fixed mount 34, rotating shaft 33, hand pulls 35, gear 32 and the adjusting rod 31 with tooth bar, give vent to anger in cavity 22 described in being arranged at, and can close completely or the closed described venthole 221 of part, described adjusting device is connected to described second mixing drum 12, described rotating shaft 33 is through described fixed mount 34, and described rotating shaft 33 is threaded with described fixed mount 34, described adjusting rod 31 one end be in the second mixing drum 12 connects described gear 32, described gear 32 engages with the tooth bar of described adjusting rod 31, described adjusting rod 31 is movably set in described cavity 22 of giving vent to anger, pulling the described rotating shaft of 35 rotation 33 by hand regulates described adjusting rod 31 in the position of described cavity 22 of giving vent to anger, completely closed or part closes some described ventholes 221, and then reach the object of adjustment.
The mixed liquor of foam solution and water enters to steep end 111 enter from described, when flow through described cross head piece 25 to described give vent to anger cavity 22 side time, air after compression is in described air admission hole 14 to described cavity 22 of giving vent to anger and give vent to anger from described venthole 221, and there is certain length due to cavity 22 of giving vent to anger, and some ventholes 221 be distributed in described in give vent to anger cavity 22, compressed air and mixed liquor have the sufficient time to mix, it is mixedly more abundant to make that air after compression has certain momentum can make compressed air in collision rapidly, contact mixing, obtain better foaming effect, then foam sprays from described blebbing end 121, control the ratio of air in foam by the output of air after described adjusting device control and regulation compression simultaneously, can for different fire extinguishing situations, thus reach best extinguishing effect.
Concrete, described air admission hole 14 is external to compressed air generator.
Concrete, described first mixing drum 11 and described second mixing drum 12 are all set to cylinder, described cavity 22 of giving vent to anger is located at the central axis of cylinder, described cavity 22 of giving vent to anger is set to cylinder, and described in cavity 22 of giving vent to anger be provided with conical deflection cone 24 towards the described end face entering to steep end 111, cavity 22 of giving vent to anger described in flowing through when the mixed liquor of foam solution and water makes, described deflection cone 24 pairs of mixed liquors carry out water conservancy diversion, mixed liquor can flow away to surrounding uniformly, makes 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 first mixing drum 11.
Described air admission hole 14 is provided with three, and it is uniform ringwise, described fixture 21 offers annular groove 211, and described annular groove 211 forms air guide channel with described first mixing drum 11, described air guide channel is communicated with described air admission hole 14, when compressed air generator is only external described in one or two during air admission hole 14, by described air guide channel compressed air water conservancy diversion to inlet channel 231 uniform to described in give vent to anger cavity 22, make all the same from venthole 221 compressed-air actuated momentum out, compressed air can be more even with mixing of mixed liquor.
Be provided with packing ring 13 between described first mixing drum 11 and described second mixing drum 12, make the better tightness of described first mixing drum and described 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 blocks described air admission hole 14, can expand the scope of application of this compressed-air foam proportioner.
Described first mixing drum 11 is bolted connection with described second mixing drum 122, can dismantle easily, can keep in repair easily and change, reduce costs each part of compressed-air foam proportioner inside.
Finally should be noted that; above embodiment is only in order to illustrate the technical scheme of the application; but not the restriction to the application's protection domain; although done to explain to the application with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify to the technical scheme of the application or equivalent replacement, and not depart from essence and the scope of technical scheme.
Claims (10)
1. 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 first mixing drum comprises into bubble end and the first link, described second mixing drum comprises blebbing end and the second link, and described first link and described second link dock to be connected described first mixing drum and described second mixing drum;
Described mixing drum device offers the air admission hole for compression air inlet;
Described compressed air inlet duct comprises fixture, cavity of giving vent to anger is fixedly connected with rib with some, described cavity of giving vent to anger is fixedly connected with described fixture by being fixedly connected with rib, be fixedly connected with between rib described in adjacent two and formed head piece, described fixture offers inlet channel, to give vent to anger described in described air admission hole is communicated to by described inlet channel cavity, described cavity of giving vent to anger is evenly equipped with some ventholes, and described first mixing drum and the second mixing drum clamp with fixing described fixture jointly;
Described adjusting device, to give vent to anger described in being arranged in cavity and can close completely or part closes described venthole;
The mixed liquor of foam solution and water enters to steep end enter from described, when flowing through described mistake head piece to described limit, outlet chamber side, air after compression through described air admission hole to described in give vent to anger in cavity and give vent to anger from described venthole, from described blebbing end ejection after mixing further with mixed liquor.
2. compressed-air foam proportioner according to claim 1, it is characterized in that, described adjusting device comprises fixed mount, rotating shaft, hand are pulled, gear and have the adjusting rod of tooth bar, described rotating shaft is through described fixed mount, and described rotating shaft is threaded with described fixed mount, described adjusting rod one end be in the second mixing drum connects described gear, and described gear engages with the tooth bar of described adjusting rod, cavity of giving vent to anger described in described adjusting rod is movably set in.
3. compressed-air foam proportioner according to claim 2, is characterized in that, described first mixing drum and described second mixing drum are all set to cylinder, described in cavity of giving vent to anger be located at the central axis of cylinder.
4. compressed-air foam proportioner according to claim 1, is characterized in that, described in cavity of giving vent to anger be set to cylinder, and described in give vent to anger cavity towards described enter the end face of bubble end be provided with conical deflection cone.
5. compressed-air foam proportioner according to claim 1, is characterized in that, described air admission hole is arranged at described 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 first mixing drum form 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 first mixing drum and described 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 first mixing drum and described 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 |
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| CN103007467A CN103007467A (en) | 2013-04-03 |
| CN103007467B true CN103007467B (en) | 2015-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210564880.6A Active CN103007467B (en) | 2012-12-24 | 2012-12-24 | Compressed air foam proportioner |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5255747A (en) * | 1992-10-01 | 1993-10-26 | Hale Fire Pump Company | Compressed air foam system |
| US6572031B2 (en) * | 2001-07-27 | 2003-06-03 | Bayer Corporation | 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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