CN216022795U - Fixed compressed air foam generating device - Google Patents
Fixed compressed air foam generating device Download PDFInfo
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- CN216022795U CN216022795U CN202121355449.1U CN202121355449U CN216022795U CN 216022795 U CN216022795 U CN 216022795U CN 202121355449 U CN202121355449 U CN 202121355449U CN 216022795 U CN216022795 U CN 216022795U
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Abstract
The utility model discloses a fixed compressed air foam generating device which comprises a base, a gas-liquid mixer, a liquid-liquid mixer, a water pump, a foam liquid pump and an air compressor, wherein the gas-liquid mixer is arranged on the base; the inlet of the water pump is suitable for being connected with a water source, and the outlet of the water pump is communicated with the first inlet of the liquid-liquid mixer; the inlet of the foam liquid pump is suitable for being connected with a foam liquid source, and the outlet of the foam liquid pump is communicated with the second inlet of the liquid-liquid mixer; the outlet of the liquid-liquid mixer is communicated with the liquid inlet of the gas-liquid mixer; the air compressor is communicated with a gas inlet of the gas-liquid mixer, and the gas-liquid mixer is also provided with an outlet; the inlet of the water pump, the inlet of the foam liquid pump and the outlet of the gas-liquid mixer are all positioned on the same side of the base. The utility model has uniform interface arrangement and can improve the efficiency of connecting pipelines and the convenience of connecting the pipelines.
Description
Technical Field
The utility model relates to a fixed compressed air foam generating device.
Background
At present, a mainstream water spray fire extinguishing system is difficult to meet the fire protection requirement in a high-capacity converter transformer, and the safe and stable operation of a power system is seriously influenced. The high energy storage fire extinguishing foam generated by the compressed air foam generating device after mixing water, foam liquid and air can be adhered to the surface of a burning object for a long time to form a protective cover, and the compressed air foam generating device has good thermal radiation blocking capability; and the introduction of compressed air fully refines the granularity of water, can permeate into the inside of a comburent quickly, reduces the surface tension of water, increases the coverage area of the water, absorbs more heat and greatly improves the fire extinguishing efficiency.
The compressed air foam generating device is provided with a fire water inlet, a foam liquid inlet and a fire extinguishing foam outlet, and the fire water inlet, the foam liquid inlet and the fire extinguishing foam outlet are all required to be connected with pipelines. However, in the conventional compressed air foam generating apparatus, the fire-fighting water inlet, the foam concentrate inlet and the fire-fighting foam outlet are distributed on different sides of the apparatus, so that the operation is inconvenient when connecting pipes, and the efficiency of connecting the pipes is affected.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide a fixed compressed air foam generating device, which has uniform interface arrangement and can improve the efficiency of connecting pipelines and the convenience of connecting the pipelines.
In order to solve the technical problems, the technical scheme of the utility model is as follows: a fixed compressed air foam generating device comprises a base, a gas-liquid mixer, a liquid-liquid mixer, a water pump, a foam liquid pump and an air compressor; wherein the content of the first and second substances,
the gas-liquid mixer, the liquid-liquid mixer, the water pump, the foam liquid pump and the air compressor are all connected to the base;
the inlet of the water pump is suitable for being connected with a water source, and the outlet of the water pump is communicated with the first inlet of the liquid-liquid mixer;
the inlet of the foam liquid pump is suitable for being connected with a foam liquid source, and the outlet of the foam liquid pump is communicated with the second inlet of the liquid-liquid mixer;
the outlet of the liquid-liquid mixer is communicated with the liquid inlet of the gas-liquid mixer;
the air compressor is communicated with a gas inlet of the gas-liquid mixer, and the gas-liquid mixer is also provided with an outlet;
the inlet of the water pump, the inlet of the foam liquid pump and the outlet of the gas-liquid mixer are all positioned on the same side of the base.
Further, any two of the inlet of the water pump, the inlet of the foam liquid pump and the outlet of the gas-liquid mixer are not at the same height, so that the arrangement of pipelines is convenient.
Further in order to facilitate installation and maintenance, the gas-liquid mixer, the liquid-liquid mixer, the water pump, the foam liquid pump and the air compressor are all connected to the outer side of the base.
Further to save space, the gas-liquid mixer and the liquid-liquid mixer are integrated in an integrally formed mixing device.
Further, at least one of a check valve, a flow meter and a pressure transmitter is connected between the outlet of the water pump and the first inlet of the liquid-liquid mixer.
Further, at least one of a check valve, a flow meter and a pressure transmitter is connected between the outlet of the foam liquid pump and the second inlet of the liquid-liquid mixer.
Further, in order to accurately control the flow of water, the water source is a fire water tank; wherein the content of the first and second substances,
the inlet of the water pump is connected with the fire-fighting water tank;
a three-way diverter valve is connected between the outlet of the water pump and the first inlet of the liquid-liquid mixer;
the inlet of the three-way diverter valve is connected with the outlet of the water pump;
one outlet of the three-way diverter valve is connected with a first inlet of the liquid-liquid mixer;
the other outlet of the three-way diverter valve is connected to the fire water tank.
Further, in order to wash the foam liquid pump, the fire water tank is connected with an inlet of the foam liquid pump through a washing pipeline, and an on-off valve is arranged in the washing pipeline.
Further, the foam liquid source is a foam liquid tank; wherein the content of the first and second substances,
the inlet of the foam liquid pump is connected with the foam liquid tank;
filters are respectively connected between the inlet of the foam liquid pump and the foam liquid tank and between the inlet of the water pump and the fire water tank.
Further, the outlet of the gas-liquid mixer is connected with a valve;
and/or an exhaust valve is connected between the outlet of the water pump and the first inlet of the liquid-liquid mixer;
and/or a second liquid discharge valve is connected between the outlet of the foam liquid pump and the second inlet of the liquid-liquid mixer.
After the technical scheme is adopted, the water pump pumps water into the liquid-liquid mixer, the foam liquid pump pumps foam liquid into the liquid-liquid mixer, the foam liquid and water are mixed in the liquid-liquid mixer and then enter the gas-liquid mixer, and meanwhile, the air compressor pumps compressed air into the gas-liquid mixer, so that the water, the foam liquid and the air are mixed to form fire extinguishing foam. Wherein, the inlet of the water pump needs to be connected with a water source through a first pipeline, the inlet of the foam liquid pump needs to be connected with a foam liquid source through a second pipeline, and the outlet of the gas-liquid mixer needs to be connected with a third pipeline so as to supply the mixed fire extinguishing foam outwards. Therefore, the inlet of the water pump, the inlet of the foam liquid pump and the outlet of the gas-liquid mixer are arranged on the same side of the base, so that the external interfaces are uniformly arranged, the connection of pipelines is facilitated, the inlet of the water pump is conveniently and quickly connected with a first pipeline, the inlet of the foam liquid pump is connected with a second pipeline, the outlet of the gas-liquid mixer is connected with a third pipeline, and the efficiency and convenience of connecting pipelines are greatly improved.
Drawings
FIG. 1 is a schematic structural view of a stationary compressed air foam generating apparatus of the present invention;
FIG. 2 is a top view of the stationary compressed air foam generating apparatus of the present invention;
fig. 3 is a schematic structural diagram of a mixing device of the present invention.
Detailed Description
In order that the present invention may be more readily and clearly understood, a more particular description of the utility model briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
As shown in fig. 1 and 2, a fixed compressed air foam generating device comprises a base 1, a gas-liquid mixer 2, a liquid-liquid mixer 3, a water pump 4, a foam liquid pump 5 and an air compressor 6; wherein the content of the first and second substances,
the gas-liquid mixer 2, the liquid-liquid mixer 3, the water pump 4, the foam liquid pump 5 and the air compressor 6 are all connected to the base 1;
the inlet of the water pump 4 is suitable for being connected with a water source, and the outlet of the water pump 4 is communicated with the first inlet of the liquid-liquid mixer 3;
the inlet of the foam liquid pump 5 is suitable for being connected with a foam liquid source, and the outlet of the foam liquid pump 5 is communicated with the second inlet of the liquid-liquid mixer 3;
the outlet of the liquid-liquid mixer 3 is communicated with the liquid inlet of the gas-liquid mixer 2;
the air compressor 6 is communicated with a gas inlet 9 of the gas-liquid mixer 2, and the gas-liquid mixer 2 is also provided with an outlet;
the inlet of the water pump 4, the inlet of the foam liquid pump 5 and the outlet of the gas-liquid mixer 2 are all positioned on the same side of the base 1; specifically, the water pump 4 pumps water into the liquid-liquid mixer 3, the foam pump 5 pumps the foam pump 5 into the liquid-liquid mixer 3, foam liquid and water are mixed in the liquid-liquid mixer 3 and then enter the gas-liquid mixer 2, and the air compressor 6 pumps compressed air into the gas-liquid mixer 2, so that the water, the foam liquid and the air are mixed to form fire extinguishing foam. The specific structures of the liquid-liquid mixer 3, the gas-liquid mixer 2 and the air compressor 6 are the prior art well known to those skilled in the art, and are not described in detail in this embodiment.
More specifically, the inlet of the water pump 4 needs to be connected with a water source through a first pipeline, the inlet of the foam liquid pump 5 needs to be connected with a foam liquid source through a second pipeline, and the outlet of the gas-liquid mixer 2 needs to be connected with a third pipeline so as to supply the mixed fire extinguishing foam outwards. Wherein, will the import of water pump 4, the import of foam liquid pump 5 and the export of gas-liquid mixer 2 is located same one side of base 1 for external interface is arranged uniformly, has made things convenient for the connection of pipeline, is favorable to fast and conveniently with the import and the first tube coupling of water pump 4, with the import and the second tube coupling of foam liquid pump 5, and with the export and the third tube coupling of gas-liquid mixer 2, improved connecting line's efficiency and convenience greatly. In this embodiment, the fire water inlet 100 is an inlet of the water pump 4, the foam liquid inlet 200 is an inlet of the foam liquid pump 5, and the fire extinguishing foam outlet 300 is an outlet of the gas-liquid mixer 2.
In the embodiment, any two of the inlet of the water pump 4, the inlet of the foam liquid pump 5 and the outlet of the gas-liquid mixer 2 are not at the same height; the purpose of design like this is in order to make things convenient for first pipeline, second pipeline and third pipeline arrange and connect, has further improved the efficiency and the convenience of connecting line.
In the embodiment, the gas-liquid mixer 2, the liquid-liquid mixer 3, the water pump 4, the foam liquid pump 5 and the air compressor 6 are all connected to the outer side part of the base 1; the advantage of such a design is ease of installation, operation and maintenance.
As shown in fig. 1 to 3, the gas-liquid mixer 2 and the liquid-liquid mixer 3 are integrated into an integrated mixing device 400 to save space; specifically, the mixing device 400 has a first liquid inlet 7 adapted to be connected to an outlet of the water pump 4, a second liquid inlet 8 connected to an outlet of the foam pump 5, a gas inlet 9 connected to the air compressor 6, a mixed medium outlet 10 and a liquid discharge port 11, the liquid discharge port 11 is connected to a first liquid discharge valve, and the mixed medium outlet 10 is connected to a filter screen 12.
As shown in fig. 1, at least one of a check valve 13, a flow meter 14 and a pressure transmitter 15 may be connected between the outlet of the water pump 4 and the first inlet of the liquid-liquid mixer 3, and at least one of a check valve 13, a flow meter 14 and a pressure transmitter 15 may also be connected between the outlet of the foam liquid pump 5 and the second inlet of the liquid-liquid mixer 3; in the present embodiment, a check valve 13, a flow meter 14 and a pressure transmitter 15 are respectively connected between the outlet of the water pump 4 and the first inlet of the liquid-liquid mixer 3 and between the outlet of the foam pump 5 and the second inlet of the liquid-liquid mixer 3. Specifically, the flowmeter 14 may be an electromagnetic flowmeter, and the specific structures of the check valve 13, the electromagnetic flowmeter, and the pressure transmitter 15 are all well known in the art, and are not described in detail in this embodiment.
As shown in fig. 1, the water source may be a fire hose tank 16; wherein the content of the first and second substances,
the inlet of the water pump 4 is connected with the fire water tank 16;
a three-way diverter valve 17 is connected between the outlet of the water pump 4 and the first inlet of the liquid-liquid mixer 3;
the inlet of the three-way diverter valve 17 is connected with the outlet of the water pump 4;
one outlet of the three-way diverter valve 17 is connected with a first inlet of the liquid-liquid mixer 3;
the other outlet of the three-way diverter valve 17 is connected to the fire water tank 16; specifically, the surplus water is returned to the fire water tank 16 by adjusting the three-way diverter valve 17, so that the flow rate of the water entering the liquid-liquid mixer 3 can be adjusted, and the water and the foam concentrate are mixed in a reasonable ratio. In this embodiment, the three-way flow divider 17 is an electric three-way flow divider, and the specific structure thereof is well known in the prior art, and will not be described in detail in this embodiment.
As shown in fig. 1, the fire water tank 16 is also connected to the inlet of the foam pump 5 through a flushing pipeline, and an on-off valve 18 is arranged in the flushing pipeline; specifically, the foam liquid pump 5 can be flushed by water in the fire water tank 16 after the on-off valve 18 is opened, so that no foam liquid is left in the foam liquid pump 5; in this embodiment, the on-off valve 18 may be an electric ball valve, and the specific structure of the electric ball valve is the prior art well known to those skilled in the art, and will not be described in detail in this embodiment.
As shown in fig. 1, the foam liquid source may be a foam liquid tank 19; wherein the content of the first and second substances,
the inlet of the foam liquid pump 5 is connected with the foam liquid tank 19;
filters are respectively connected between the inlet of the foam liquid pump 5 and the foam liquid tank 19 and between the inlet of the water pump 4 and the fire water tank 16; specifically, the filter is convenient to maintain, and the filter element can be directly detached during cleaning.
As shown in fig. 1, the outlet of the gas-liquid mixer 2 may be connected with a valve 20; in this embodiment, the valve 20 is an electric butterfly valve;
an exhaust valve 21 is connected between the outlet of the water pump 4 and the first inlet of the liquid-liquid mixer 3; specifically, opening the exhaust valve 21 can exhaust air accumulated in the pipeline;
a second liquid discharge valve 22 is connected between the outlet of the foam liquid pump 5 and the second inlet of the liquid-liquid mixer 3, and the second liquid discharge valve 22 is suitable for discharging liquid in the pipeline in the processes of maintenance and cleaning.
In this embodiment, the base 1 is further provided with a terminal box, and the terminal box is a main interface of electrical elements such as the water pump 4 and the foam liquid pump 5;
the base 1 is in a regular rectangular shape, the width of the base meets the road transportation standard, and the lifting lugs and forklift holes are formed in the base 1, so that the lifting and the transportation are facilitated;
a safety valve is also arranged in the foam liquid pump 5.
The working principle of the utility model is as follows:
the water pump 4 pumps water into the liquid-liquid mixer 3, the foam liquid pump 5 pumps a foam liquid pump 5 into the liquid-liquid mixer 3, foam liquid and water are mixed in the liquid-liquid mixer 3 and then enter the gas-liquid mixer 2, and meanwhile, the air compressor 6 pumps compressed air into the gas-liquid mixer 2, so that the water, the foam liquid and the air are mixed to form fire extinguishing foam. Wherein, the inlet of the water pump 4 needs to be connected with a water source through a first pipeline, the inlet of the foam liquid pump 5 needs to be connected with a foam liquid source through a second pipeline, and the outlet of the gas-liquid mixer 2 needs to be connected with a third pipeline so as to supply the mixed fire extinguishing foam outwards. Therefore, the inlet of the water pump 4, the inlet of the foam liquid pump 5 and the outlet of the gas-liquid mixer 2 are arranged on the same side of the base 1, so that the external interfaces are uniformly arranged, the connection of pipelines is facilitated, the inlet of the water pump 4 is rapidly and conveniently connected with a first pipeline, the inlet of the foam liquid pump 5 is connected with a second pipeline, the outlet of the gas-liquid mixer 2 is connected with a third pipeline, and the efficiency and convenience of connecting pipelines are greatly improved.
The above embodiments are described in further detail to solve the technical problems, technical solutions and advantages of the present invention, and it should be understood that the above embodiments are only examples of the present invention and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A fixed compressed air foam generating device is characterized by comprising a base (1), a gas-liquid mixer (2), a liquid-liquid mixer (3), a water pump (4), a foam liquid pump (5) and an air compressor (6); wherein the content of the first and second substances,
the gas-liquid mixer (2), the liquid-liquid mixer (3), the water pump (4), the foam liquid pump (5) and the air compressor (6) are all connected to the base (1);
the inlet of the water pump (4) is suitable for being connected with a water source, and the outlet of the water pump (4) is communicated with the first inlet of the liquid-liquid mixer (3);
the inlet of the foam liquid pump (5) is suitable for being connected with a foam liquid source, and the outlet of the foam liquid pump (5) is communicated with the second inlet of the liquid mixer (3);
the outlet of the liquid-liquid mixer (3) is communicated with the liquid inlet of the gas-liquid mixer (2);
the air compressor (6) is communicated with a gas inlet (9) of the gas-liquid mixer (2), and the gas-liquid mixer (2) is also provided with an outlet;
the inlet of the water pump (4), the inlet of the foam liquid pump (5) and the outlet of the gas-liquid mixer (2) are positioned on the same side of the base (1).
2. The stationary compressed air foam-generating device according to claim 1, characterized in that any two of the inlet of the water pump (4), the inlet of the foam liquid pump (5) and the outlet of the gas-liquid mixer (2) are not at the same height.
3. The stationary compressed air foam-generating device according to claim 1, characterized in that the gas-liquid mixer (2), the liquid-liquid mixer (3), the water pump (4), the foam liquid pump (5) and the air compressor (6) are all connected on the outer side of the base (1).
4. The stationary compressed air foam generating device according to claim 1, characterized in that the gas-liquid mixer (2) and the liquid-liquid mixer (3) are integrated in an integrated mixing device (400).
5. The stationary compressed air foam generating device according to claim 1, characterized in that at least one of a check valve (13), a flow meter (14) and a pressure transmitter (15) is connected between the outlet of the water pump (4) and the first inlet of the liquid-liquid mixer (3).
6. The stationary compressed air foam-generating device according to claim 1, characterized in that at least one of a non-return valve (13), a flow meter (14) and a pressure transmitter (15) is connected between the outlet of the foam liquid pump (5) and the second inlet of the liquid-liquid mixer (3).
7. The stationary compressed air foam generating apparatus according to claim 1, characterized in that the water source is a fire water tank (16); wherein the content of the first and second substances,
the inlet of the water pump (4) is connected with the fire water tank (16);
a three-way diverter valve (17) is connected between the outlet of the water pump (4) and the first inlet of the liquid-liquid mixer (3);
the inlet of the three-way diverter valve (17) is connected with the outlet of the water pump (4);
one outlet of the three-way diverter valve (17) is connected with a first inlet of the liquid-liquid mixer (3);
the other outlet of the three-way diverter valve (17) is connected to the fire water tank (16).
8. A stationary compressed air foam-generating unit according to claim 7, characterized in that the fire water tank (16) is also connected to the inlet of the foam pump (5) by means of a flushing line in which a shut-off valve (18) is arranged.
9. The stationary compressed air foam generating apparatus according to claim 7, characterized in that the foam liquid source is a foam liquid tank (19); wherein the content of the first and second substances,
the inlet of the foam liquid pump (5) is connected with the foam liquid tank (19);
filters are respectively connected between the inlet of the foam liquid pump (5) and the foam liquid tank (19) and between the inlet of the water pump (4) and the fire water tank (16).
10. The stationary compressed air foam generating apparatus according to claim 1,
the outlet of the gas-liquid mixer (2) is connected with a valve (20);
and/or an exhaust valve (21) is connected between the outlet of the water pump (4) and the first inlet of the liquid-liquid mixer (3);
and/or a second liquid discharge valve (22) is connected between the outlet of the foam liquid pump (5) and the second inlet of the liquid-liquid mixer (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121355449.1U CN216022795U (en) | 2021-06-18 | 2021-06-18 | Fixed compressed air foam generating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121355449.1U CN216022795U (en) | 2021-06-18 | 2021-06-18 | Fixed compressed air foam generating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216022795U true CN216022795U (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121355449.1U Active CN216022795U (en) | 2021-06-18 | 2021-06-18 | Fixed compressed air foam generating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216022795U (en) |
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2021
- 2021-06-18 CN CN202121355449.1U patent/CN216022795U/en active Active
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