CN213374887U - Premixed compressed air foam fire extinguishing system - Google Patents
Premixed compressed air foam fire extinguishing system Download PDFInfo
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- CN213374887U CN213374887U CN202022046658.XU CN202022046658U CN213374887U CN 213374887 U CN213374887 U CN 213374887U CN 202022046658 U CN202022046658 U CN 202022046658U CN 213374887 U CN213374887 U CN 213374887U
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Abstract
The utility model discloses a premixed compressed air foam fire extinguishing system, which comprises a compressed air bottle for storing compressed air, a fire extinguishing liquid tank for storing foam mixed liquid, a gas-liquid mixer and a spray gun, wherein the outlet of the compressed air bottle is communicated with an air main pipe; the air main pipe is communicated with the fire extinguishing fluid tank through a power pipeline so as to provide fluid outlet power for the fire extinguishing fluid tank through compressed air; the gas-liquid mixer is communicated with the air main pipe through an air pipeline and is communicated with a liquid outlet of the fire extinguishing liquid tank through a liquid pipeline so as to mix compressed air and foam mixed liquid in the liquid outlet; the spray gun is communicated with the gas-liquid mixer to spray a mixture formed by mixing compressed air and foam mixed liquid; and the air pipeline and the power pipeline are respectively provided with a regulating part for regulating the air inlet pressure. The utility model discloses the fire extinguishing effect is good, simple structure, and it is little to take up an area of, need not the external power supply that provides, and the convenient proportion of compressed air and the foam mixed liquid that enters into the gas-liquid mixer of adjustment.
Description
Technical Field
The utility model relates to a mix compressed air foam fire extinguishing systems in advance.
Background
Compressed air foam fire extinguishing systems (CAFS) are used by more and more countries and regions as a high-efficiency, low-consumption, multipurpose, light-weight and environment-friendly fire extinguishing system, and the CAFS is generally concerned about the advantages of small water consumption, small water damage loss, high fire extinguishing efficiency and the like, and is continuously popularized and used by projects.
The compressed air fire extinguishing system widely used in the engineering at present mainly comprises a water supply unit, a compressed air supply unit, a foam stock solution supply unit, a mixing unit and the like, has a plurality of system components, occupies a large area, is complex in structure and control, is mainly applied to a matched fire extinguishing system of large-scale equipment, and is not suitable for a matched compressed air foam fire extinguishing system of daily small-sized electrical equipment and the like.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome prior art's defect, provide a mix compressed air foam fire extinguishing systems in advance, its fire extinguishing effect is good, simple structure, it is little to take up an area of, need not the external power supply that provides, and the convenient adjustment enters into the compressed air of gas-liquid mixer and the proportion of the mixed liquid of foam.
In order to solve the technical problem, the technical scheme of the utility model is that: a premixed compressed air foam fire suppression system comprising:
the compressed air bottle is used for storing compressed air, and an outlet of the compressed air bottle is communicated with an air main pipe;
the fire extinguishing fluid reservoir is used for storing foam mixed liquid, and the air main pipe is communicated with the fire extinguishing fluid reservoir through a power pipeline so as to provide liquid outlet power for the fire extinguishing fluid reservoir through compressed air;
the gas-liquid mixer is communicated with the air main pipe through an air pipeline and is communicated with a liquid outlet of the fire extinguishing liquid tank through a liquid pipeline so as to mix compressed air and foam mixed liquid in the fire extinguishing liquid tank;
the spray gun is communicated with the gas-liquid mixer to spray a mixture formed by mixing compressed air and foam mixed liquid; wherein the content of the first and second substances,
and the air pipeline and the power pipeline are respectively provided with an adjusting piece for adjusting the air inlet pressure.
And further in order to improve the reliability of the compressed air bottles as a power source and an air supply source, at least two compressed air bottles are arranged, one of the compressed air bottles is used mainly, the other compressed air bottles are used for standby, the outlet of each compressed air bottle is connected with the air main pipe, and the outlet of each compressed air bottle is provided with a valve for controlling the opening and the closing.
Further, in order to conveniently know the gas pressure in the main compressed air bottle and switch the gas pressure to the standby compressed air bottle in time, a pressure gauge for monitoring the gas pressure in the main compressed air bottle is mounted on the air main pipe.
Further, in order to enable the gas in the air pipeline to flow only in a single direction, a check valve for preventing the air in the gas-liquid mixer from flowing back is arranged on the air pipeline.
Further, in order to conveniently know the gas pressure in the air pipeline and the power pipeline, pressure gauges for measuring the gas pressure are respectively arranged on the part of the air pipeline behind the adjusting piece on the air pipeline and the part of the power pipeline behind the adjusting piece on the power pipeline.
And the surplus of the foam mixed liquid in the fire extinguishing liquid tank is conveniently known so as to conveniently and timely supplement the foam mixed liquid, and a liquid level meter for measuring the liquid level in the fire extinguishing liquid tank is installed in the fire extinguishing liquid tank.
Furthermore, the two fire-extinguishing fluid tanks are provided, the air inlets of the two fire-extinguishing fluid tanks are respectively communicated with the air main pipe through a power pipeline, the liquid outlets of the two fire-extinguishing fluid tanks are respectively communicated with the gas-liquid mixer through a liquid pipeline, and valves for controlling the opening and the closing of the two fire-extinguishing fluid tanks are respectively arranged on the liquid outlets or the two liquid pipelines.
Furthermore, the proportion of the foam stock solution in the foam mixed solution in the two fire extinguishing solution tanks is different.
Further, the regulating part is a pressure reducing valve.
After the technical scheme is adopted, the utility model discloses following beneficial effect has:
1. the utility model discloses an in-process of premixed compressed air foam fire extinguishing systems work, compressed air among the compressed air bottle gets into the air main, and partly in the compressed air that gets into the air main sprays into the fire-extinguishing fluid jar in order to be the power supply so that the foam mixed liquid in the fire-extinguishing fluid jar gets into in the gas-liquid mixer through the liquid pipeline, and the other part in the compressed air that gets into the air main gets into in the gas-liquid mixer through the air pipeline, and foam mixed liquid and compressed air spout through the spray gun after mixing in the gas-liquid mixer in order to reach the effect of putting out a fire, the utility model discloses can put out a fire well, and simple structure, need not the electrical control system, need not external power supply, safe in utilization, be suitable for different site work condition, be convenient for small-size electrical equipment fire extinguishing systems's a large amount of using widely; the utility model takes the compressed air in the compressed air bottle as a power source and an air inlet source, and does not need to be provided with a water supply and air supply power unit in a conventional compressed air foam fire extinguishing system, thereby greatly compressing the overall dimension of the equipment, and having convenient moving characteristics and simple mechanical structure; the utility model discloses can also adjust the pressure in the power pipeline through the regulating part on the power pipeline, provide the power supply of different pressure, realize the injection to the foam mixed liquid in the liquid jar of putting out a fire under the different pressure, reach the result of use of adjusting different injection distances, the utility model discloses can also adjust the pressure in the air pipeline through the regulating part on the air pipeline, and then adjust the air quantity that enters into the gas-liquid mixer, finally reach the purpose of adjusting the proportion of the compressed air that enters into the gas-liquid mixer and foam mixed liquid to be applicable to the conflagration of different circumstances;
2. the compressed air bottle of the utility model adopts redundant configuration and at least one spare running working state, thereby improving the reliability of the power source and the air supply source and further greatly improving the overall reliability of the utility model;
3. the utility model discloses having configured the fire extinguishing fluid reservoir that two kinds of different foam stostes account for ratio, can having selected for use different fire extinguishing fluid reservoirs according to the conflagration condition, promoted the range of application of engineering greatly, simultaneously through real-time liquid level display, the surplus of foam mixed liquid in suggestion operating personnel's the fire extinguishing fluid reservoir makes things convenient for operating personnel in time to supply the foam and mixes the liquid, has further improved the utility model discloses holistic reliability.
Drawings
Fig. 1 is a schematic structural view of the premixed compressed air foam fire extinguishing system of the present invention.
Detailed Description
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.
As shown in fig. 1, a premixed compressed air foam fire suppression system includes:
the compressed air storage tank comprises a compressed air tank 1 for storing compressed air, wherein an outlet of the compressed air tank 1 is communicated with an air main pipe 2;
the fire extinguishing fluid reservoir 3 is used for storing foam mixed liquid, and the air main pipe 2 is communicated with the fire extinguishing fluid reservoir 3 through a power pipeline 8 so as to provide liquid outlet power for the fire extinguishing fluid reservoir 3 through compressed air;
the gas-liquid mixer 4 is communicated with the air main pipe 2 through an air pipeline 5, and is communicated with a liquid outlet of the fire extinguishing liquid tank 3 through a liquid pipeline 6 so as to mix compressed air and foam mixed liquid in the fire extinguishing liquid tank;
the spray gun 7 is communicated with the gas-liquid mixer 4 to spray a mixture formed by mixing compressed air and foam mixed liquid; wherein the content of the first and second substances,
and adjusting pieces for adjusting the air inlet pressure are respectively arranged on the air pipeline 5 and the power pipeline 8.
In the present embodiment, the adjusting member is a pressure reducing valve 13, but is not limited thereto.
Specifically, in the working process of the premixed compressed air foam fire extinguishing system of the utility model, the compressed air in the compressed air bottle 1 enters the air main pipe 2, one part of the compressed air entering the air main pipe 2 is sprayed into the fire extinguishing fluid tank 3 through the power pipeline 8 to be used as a power source so that the foam mixed liquid in the fire extinguishing fluid tank 3 enters the gas-liquid mixer 4 through the liquid pipeline 6, the other part of the compressed air entering the air main pipe 2 enters the gas-liquid mixer 4 through the air pipeline 5, the foam mixed liquid and the compressed air are sprayed out through the spray gun 7 after being mixed in the gas-liquid mixer 4 to achieve the effect of fire extinguishing, the utility model can extinguish fire well, the fire extinguishing system is simple in structure, free of an electric control system and an external power source, safe to use, suitable for different field working conditions and convenient for large-scale popularization and use of the fire extinguishing system of small electrical equipment; the utility model takes the compressed air in the compressed air bottle 1 as a power source and an air inlet source, and does not need to be provided with a water supply and air supply power unit in a conventional compressed air foam fire extinguishing system, thereby greatly compressing the overall dimension of the equipment, and having convenient moving characteristics and simple mechanical structure; the utility model discloses can also adjust the pressure in the power pipeline 8 through the regulating part on the power pipeline 8, provide the power supply of different pressure, realize under the different pressure to the spraying of the foam mixed liquid in the fluid reservoir 3 of putting out a fire, reach the result of use of adjusting different spray distances, the utility model discloses can also adjust the pressure in the air pipeline 5 through the regulating part on the air pipeline 5, and then adjust the air quantity that enters into in the gas-liquid mixer 4, finally reach the purpose of adjusting the proportion of the compressed air that enters into the gas-liquid mixer 4 and the foam mixed liquid to be applicable to the conflagration of different conditions.
As shown in fig. 1, in order to improve the reliability of the compressed air tank 1 as a power source and an air supply source, at least two compressed air tanks 1 are provided, one of the compressed air tanks is used mainly, the other is used for standby, the outlet of each compressed air tank 1 is connected to the air main pipe 2, and the outlet of each compressed air tank 1 is provided with a valve 12 for controlling the opening and closing.
As shown in fig. 1, in order to facilitate the knowledge of the gas pressure in the primary compressed air tank 1 and to switch the primary compressed air tank 1 to the standby compressed air tank 1 in time, a pressure gauge 9 for monitoring the gas pressure in the primary compressed air tank 1 is installed on the air main 2. When the pressure value measured by the pressure gauge 9 is less than the set value, the standby compressed air bottle 1 can be immediately switched to. In this embodiment, the pressure gauge 9 is a direct-reading pressure gauge.
Specifically, the utility model discloses a compressed air bottle 1 adopts redundant configuration, adopts an at least one operation operating condition who is equipped with, has improved the reliability of power supply and air supply source, and then has improved greatly the utility model discloses holistic reliability.
As shown in fig. 1, in order to make the gas in the air pipe 5 flow only in one direction, a check valve 10 for preventing the air in the gas-liquid mixer 4 from flowing back is installed on the air pipe 5.
As shown in fig. 1, in order to facilitate the knowledge of the gas pressure in the air pipe 5 and the power pipe 8, pressure gauges 9 for measuring the gas pressure are respectively installed on a portion of the air pipe 5 located behind the adjusting member thereon and a portion of the power pipe 8 located behind the adjusting member thereon.
In this embodiment, the pressure gauge 9 is a direct-reading pressure gauge.
As shown in fig. 1, in order to facilitate the knowledge of the remaining amount of the foam mixed liquid in the fire-fighting liquid tank 3 and to facilitate the timely replenishment of the foam mixed liquid, a liquid level meter 11 for measuring the liquid level in the fire-fighting liquid tank 3 is installed in the fire-fighting liquid tank 3.
As shown in fig. 1, two fire-fighting liquid tanks 3 are provided, the air inlets of the two fire-fighting liquid tanks 3 are respectively communicated with the air main pipe 2 through a power pipeline 8, the liquid outlets of the two fire-fighting liquid tanks 3 are respectively communicated with the gas-liquid mixer 4 through a liquid pipeline 6, and valves 12 for controlling the opening and closing of the two fire-fighting liquid tanks 3 or the two liquid pipelines 6 are respectively installed.
As shown in fig. 1, the foam mixed liquid in the two fire-fighting liquid tanks 3 has different ratios of the foam raw liquid.
In this embodiment, the mass percentages of the foam stock solutions in the foam mixed liquid in the two fire-extinguishing liquid tanks 3 are 3% and 6%, respectively, and which fire-extinguishing liquid tank 3 is put into use is determined according to the fire situation.
Specifically, the utility model discloses having configured two kinds of different foam stostes and having accounted for the fire extinguishing fluid reservoir 3 of ratio, can chooseing different fire extinguishing fluid reservoirs 3 for use according to the conflagration condition, promoted the range of application of engineering greatly, simultaneously through real-time liquid level display, suggestion operating personnel puts out a fire the surplus of the interior foam mixed liquid of fluid reservoir 3, makes things convenient for operating personnel in time to supply the foam mixed liquid, has further improved the utility model discloses holistic reliability.
The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Claims (9)
1. A premixed compressed air foam fire extinguishing system is characterized in that,
it includes:
the compressed air storage tank is characterized by comprising a compressed air bottle (1) for storing compressed air, wherein an outlet of the compressed air bottle (1) is communicated with an air main pipe (2);
the fire extinguishing liquid tank (3) is used for storing foam mixed liquid, and the air main pipe (2) is communicated with the fire extinguishing liquid tank (3) through a power pipeline (8) so as to provide liquid outlet power for the fire extinguishing liquid tank (3) through compressed air;
the gas-liquid mixer (4) is communicated with the air main pipe (2) through an air pipeline (5), and is communicated with a liquid outlet of the fire extinguishing liquid tank (3) through a liquid pipeline (6) so as to mix compressed air and foam mixed liquid in the fire extinguishing liquid tank;
the spray gun (7) is communicated with the gas-liquid mixer (4) to spray a mixture formed by mixing compressed air and foam mixed liquid; wherein the content of the first and second substances,
and the air pipeline (5) and the power pipeline (8) are respectively provided with a regulating part for regulating the air inlet pressure.
2. The premixed compressed air foam fire extinguishing system of claim 1,
the compressed air bottles (1) are provided with at least two, one of the compressed air bottles is used mainly, the other compressed air bottles are used for standby, the outlet of each compressed air bottle (1) is connected with the air main pipe (2), and the outlet of each compressed air bottle (1) is provided with a valve (12) for controlling the opening and the closing of the valve.
3. A premixed compressed air foam fire extinguishing system according to claim 2,
and a pressure gauge (9) for monitoring the gas pressure in the main compressed air bottle (1) is arranged on the air main pipe (2).
4. The premixed compressed air foam fire extinguishing system of claim 1,
and a check valve (10) for preventing air in the gas-liquid mixer (4) from flowing back is arranged on the air pipeline (5).
5. The premixed compressed air foam fire extinguishing system of claim 1,
pressure gauges (9) for measuring gas pressure are respectively arranged on the part of the air pipeline (5) behind the adjusting piece and on the part of the power pipeline (8) behind the adjusting piece.
6. The premixed compressed air foam fire extinguishing system of claim 1,
and a liquid level meter (11) for measuring the liquid level in the fire extinguishing liquid tank (3) is arranged in the fire extinguishing liquid tank (3).
7. The premixed compressed air foam fire extinguishing system of claim 1,
the two fire-extinguishing fluid tanks (3) are arranged, the air inlets of the two fire-extinguishing fluid tanks (3) are respectively communicated with the air main pipe (2) through a power pipeline (8), the liquid outlets of the two fire-extinguishing fluid tanks are respectively communicated with the gas-liquid mixer (4) through a liquid pipeline (6), and valves (12) for controlling the opening and the closing of the two fire-extinguishing fluid tanks (3) are respectively arranged on the liquid outlets or the two liquid pipelines (6).
8. A premixed compressed air foam fire extinguishing system according to claim 7,
the foam stock solution in the foam mixed solution in the two fire-extinguishing fluid tanks (3) has different occupation ratios.
9. The premixed compressed air foam fire extinguishing system of claim 1,
the regulating part is a pressure reducing valve (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022046658.XU CN213374887U (en) | 2020-09-16 | 2020-09-16 | Premixed compressed air foam fire extinguishing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022046658.XU CN213374887U (en) | 2020-09-16 | 2020-09-16 | Premixed compressed air foam fire extinguishing system |
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| Publication Number | Publication Date |
|---|---|
| CN213374887U true CN213374887U (en) | 2021-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022046658.XU Active CN213374887U (en) | 2020-09-16 | 2020-09-16 | Premixed compressed air foam fire extinguishing system |
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| Country | Link |
|---|---|
| CN (1) | CN213374887U (en) |
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- 2020-09-16 CN CN202022046658.XU patent/CN213374887U/en active Active
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