CN211536279U - Disconnect-type compressed air foam fire extinguishing systems - Google Patents
Disconnect-type compressed air foam fire extinguishing systems Download PDFInfo
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- CN211536279U CN211536279U CN201921838357.1U CN201921838357U CN211536279U CN 211536279 U CN211536279 U CN 211536279U CN 201921838357 U CN201921838357 U CN 201921838357U CN 211536279 U CN211536279 U CN 211536279U
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Abstract
The utility model relates to a disconnect-type compressed air foam fire extinguishing systems, including water pump, foam liquid pump, air compressor, mixing arrangement, conduit, foam liquid conveying pipeline, compressed air conveying pipeline, the output of water pump is connected to conduit one end, the input of mixing arrangement is connected to the conduit other end, the output of foam liquid pump is connected to foam liquid conveying pipeline one end, the input of mixing arrangement is connected to the foam liquid conveying pipeline other end, compressed air conveying pipeline one end is connected the output of air compressor, the input of mixing arrangement is connected to the compressed air conveying pipeline other end; the method is characterized in that: the water conveying pipeline is in a pre-filling state before the water pump is started, and the compressed air conveying pipeline is in a pre-filling state before the air compressor is started; the foam liquid conveying pipeline is shorter than the water conveying pipeline and the compressed air conveying pipeline, the foam liquid pump is close to the mixing device, and the foam liquid conveying pipeline is in a hollow state before the foam liquid pump is started. The utility model discloses save transport time, shorten holistic response time, make the system satisfy the 60 seconds response time of standard requirement, can implement to put out a fire the very first time when taking place the condition of a fire.
Description
Technical Field
The utility model relates to a fire extinguishing systems especially relates to a disconnect-type compressed air foam fire extinguishing systems.
Background
Compressed air foam fire extinguishing systems are a new type of fire fighting technology, abbreviated by "CAFS" in english. The driving pressure of the compressed air foam system is compared with the pressure of a traditional water system, the driving pressure of the compressed air foam system is the pressure of the air compression pump besides the pressure of the water pump, and the pushed substances are only bubbles containing water, so that the foam sprayed by the compressed air foam system is higher and far longer than the traditional water or traditional foam mixed liquid under the same general conditions. In recent years, compressed air foam fire extinguishing system is generally used for protecting transformer equipment, because the region that transformer equipment is located is comparatively narrow and small, lead to compressed air foam fire extinguishing system's power part, for example, water pump, foam liquid pump, air compressor etc. are set up in other regions and keep away from transformer equipment region, lead to water, foam, compressed air's delivery line to need to set up longer, and delivery line sets up longer, lead to the transport time to increase, when finally leading to taking place the condition of a fire, compressed air foam fire extinguishing system's response time is long, can't satisfy the standard requirement, can't implement to put out a fire the very first time.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the technical problem that prior art exists, provide a disconnect-type compressed air foam fire extinguishing systems that can effectively shorten response time.
The utility model provides a technical scheme that its technical problem adopted is: a separated compressed air foam fire extinguishing system comprises a water pump, a foam liquid pump, an air compressor, a mixing device, a water conveying pipeline, a foam liquid conveying pipeline and a compressed air conveying pipeline, wherein one end of the water conveying pipeline is connected with the output end of the water pump, the other end of the water conveying pipeline is connected with the input end of the mixing device, one end of the foam liquid conveying pipeline is connected with the output end of the foam liquid pump, the other end of the foam liquid conveying pipeline is connected with the input end of the mixing device, one end of the compressed air conveying pipeline is connected with the output end of the air compressor, and the other end of the compressed air conveying; the water conveying pipeline is in a pre-filling state before the water pump is started, and the compressed air conveying pipeline is in a pre-filling state before the air compressor is started; the foam liquid conveying pipeline is shorter than the water conveying pipeline and the compressed air conveying pipeline, the foam liquid pump is close to the mixing device, and the foam liquid conveying pipeline is in a hollow state before the foam liquid pump is started.
The water pump further comprises a first valve and a second valve, wherein the first valve is connected to the other end of the water conveying pipeline and is in a closed state before the water pump is started; the second valve is connected to the other end of the compressed air delivery line and is closed before the air compressor is started.
And the third valve is connected to one end of the foam liquid conveying pipeline and is in a closed state before the foam liquid pump is started.
The device further comprises a conveying pipe network, wherein the conveying pipe network comprises a collecting pipeline and a plurality of flow dividing pipelines, one end of the collecting pipeline is connected with the output end of the mixing device, the other end of the collecting pipeline is connected with one end of each flow dividing pipeline, and each flow dividing pipeline is connected with a fourth valve.
Further, the fourth valve is a distribution valve.
Further, the mixing device comprises a first mixer and a second mixer, the other end of the water conveying pipeline and the other end of the foam concentrate conveying pipeline are respectively connected with the input end of the first mixer, and the output end of the first mixer is connected with the input end of the second mixer through a mixing pipeline; the other end of the compressed air conveying pipeline is connected with the input end of a second mixer, and the output end of the second mixer forms the output end of the mixing device.
Furthermore, a fifth valve is connected to the mixing pipeline.
Furthermore, the input end of the foam liquid pump is connected with a foam liquid storage tank.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the water conveying pipeline is in a pre-filling state before the water pump is started, and the compressed air conveying pipeline is in a pre-filling state before the air compressor is started; foam liquid conveying line weak point is in hydraulic pipe way, compressed air conveying line, and the foam liquid pump is close to mixing arrangement, and foam liquid conveying line is the cavity state before the foam liquid pump starts, makes the utility model discloses can save transport time to shorten holistic response time, make the system satisfy the 60 seconds response time of standard requirement, so that can put out a fire when taking place the condition of a fire, the very first time implementation is put out a fire. In addition, because foam concentrate delivery line is shorter than water pipeline, compressed air delivery line, and the foam liquid pump is close to mixing arrangement, and foam concentrate delivery line is the cavity state before the foam liquid pump starts, not only can save the transport time of foam concentrate, can also avoid the foam concentrate to receive the environmental impact to cause rotten because of long-time the retention in foam concentrate delivery line to influence subsequent fire extinguishing performance.
2. The arrangement of the first valve and the second valve enables the water conveying pipeline and the compressed air conveying pipeline to be in a pre-filling state, and the structure is simpler to arrange and easy to assemble and control. Due to the arrangement of the third valve, the foam liquid conveying pipeline is simpler in hollow structure arrangement and easy to assemble and control.
3. The setting of conveying pipe net makes the utility model discloses can realize the protection mode of a pair of many to only can one set of system protection transformer when solving prior art's compressed air foam fire extinguishing systems protection transformer, cause with high costs, be not convenient for at the problem of limited protection space equipment.
The present invention will be described in further detail with reference to the accompanying drawings and examples; however, the present invention is not limited to the embodiment of a separated type compressed air foam fire extinguishing system.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
Example, please refer to fig. 1, the present invention relates to a separated compressed air foam fire extinguishing system, and the present invention relates to a compressed air foam fire extinguishing system, the device is used for protecting transformer equipment and comprises a water pump 1, a foam liquid pump 2, an air compressor 3, a mixing device, a water conveying pipeline 5, a foam liquid conveying pipeline 6 and a compressed air conveying pipeline 7, wherein one end of the water conveying pipeline 5 is connected with the output end of the water pump 1, the other end of the water conveying pipeline 5 is connected with the input end of the mixing device, one end of the foam liquid conveying pipeline 6 is connected with the output end of the foam liquid pump 2, the input end of the foam liquid pump 2 is connected with a foam liquid storage tank, the other end of the foam liquid conveying pipeline 6 is connected with the input end of the mixing device, one end of the compressed air conveying pipeline 7 is connected with the output end of the air compressor 3; the water pipe 5 is in a pre-filled state before the water pump 1 is started, and the compressed air pipe 7 is in a pre-filled state before the air compressor 3 is started. The foam liquid conveying pipeline 2 is shorter than the water conveying pipeline 5 and the compressed air conveying pipeline 7, the foam liquid pump 2 is close to the mixing device, and the foam liquid conveying pipeline 2 is in a hollow state before the foam liquid pump 7 is started.
In this embodiment, the present invention further comprises a first valve 8, a second valve 9, and a third valve 10, wherein the first valve 8 is connected to the other end of the water pipe 5, and is closed before the water pump 1 is started, so that the water pipe is pre-filled; the second valve 9 is connected to the other end of the compressed air delivery line 7 and is closed before the air compressor 3 is started, so that the compressed air delivery line 7 is in a pre-filled state. The third valve 10 is connected to one end of the foam concentrate delivery pipeline 6 and is in a closed state before the foam liquid pump 2 is started, so that the foam concentrate delivery pipeline 6 is in a hollow state; the first valve 8, the second valve 9 and the third valve 10 may be manually operated mechanical valves, or may be electrically controlled valves, preferably electrically controlled valves, such as solenoid valves.
In this embodiment, the utility model discloses still including carrying the pipe network, this carries the pipe network to collect 15 one ends of pipeline and connect including collecting pipeline 15, a plurality of reposition of redundant personnel pipeline 16 mixing arrangement's output, the one end of collecting 15 other ends of pipeline and connecting each reposition of redundant personnel pipeline 16 are connected with the fourth valve on each reposition of redundant personnel pipeline 16 respectively, and this fourth valve specifically is distribution valve 17, but is not limited to this.
In this embodiment, the mixing device includes a first mixer 11 and a second mixer 12, and the other end of the water conveying pipeline 5 and the other end of the foam concentrate conveying pipeline 6 are respectively connected to the input end of the first mixer 11. The output end of the first mixer 11 is connected with the input end of the second mixer 12 through a mixing pipeline 13, and the other end of the compressed air conveying pipeline 7 is also connected with the input end of the second mixer 12 so as to mix the compressed air and the foam containing moisture. The output of the second mixer 12 constitutes the output of the mixing device. The first mixer 11 mixes the water and the foam by venturi principle and the second mixer 12 mixes the foam liquid and the compressed air by pressure difference, which is prior art and will not be further described, while in other embodiments the first mixer 11 and the second mixer 12 are combined into one and the water, the foam and the compressed air are mixed, which is prior art and will not be further described. In this embodiment, the mixing pipeline 13 is connected to a fifth valve 14, so as to facilitate maintenance of the first mixer 11 and the second mixer 12.
The utility model discloses a disconnect-type compressed air foam fire extinguishing systems, during field application, water pump 1, air compressor 3 can install in the place of keeping away from the zone of protection far away to save the usable space of zone of protection, first blender 11, second blender 12, foam liquid pump 2, foam liquid storage tank 4 then install in the place nearer from the zone of protection, for example in the valve room. The input end of the water pump 1 is connected with a fire hydrant or a high-pressure water tank. The plurality of shunt pipelines 16 correspond to the plurality of protection zones one by one, and the other end of each shunt pipeline 16 extends to the corresponding protection zone respectively so as to protect transformer equipment in the protection zones. In a normal state, the water pump 1, the foam liquid pump 2 and the air compressor 3 are not started, the first valve 8, the second valve 9 and the third valve 10 are closed, the water conveying pipeline 5 and the compressed air conveying pipeline 7 are in a pre-filled state, and the foam liquid conveying pipeline 6 is in a hollow state. When a fire occurs, the water pump 1, the foam liquid pump 2 and the air compressor 3 are started, the first valve 8, the second valve 9, the third valve 10 and the fifth valve 14 are opened, water is conveyed to the first mixer 11 along the water conveying pipeline 5, foam liquid is conveyed to the first mixer 11 along the foam liquid conveying pipeline 6, the water and the foam liquid are mixed through the first mixer 11, then the water and the foam liquid are conveyed to the second mixer 12 through the mixing pipeline 13, and the water and the foam liquid are uniformly mixed with compressed air conveyed to the second mixer 12 along the compressed air conveying pipeline 7 through the second mixer 12, so that mixed foam liquid is obtained. The mixed foam liquid finally reaches the collecting pipeline 15, and simultaneously, a control module of the fire extinguishing system opens a distribution valve 17 of a corresponding protection area, so that the mixed foam liquid is directly conveyed to a fire scene for fire extinguishing.
The utility model discloses a compressed air foam fire extinguishing systems, because hydraulic pipeline 5 is full of the state in advance before water pump 1 starts, compressed air conveying pipeline 7 is full of the state in advance before air compressor 3 starts, therefore when water pump 1 starts, hydraulic pipeline 5 can be immediately to first blender 11 delivery waters, when air compressor 3 starts, compressed air conveying pipeline 7 can be immediately to second blender 12 delivery compressed air to can save transit time. Because the foam liquid pump 2 is close to the mixing device, the foam liquid conveying pipeline 6 is short, so that when the foam liquid pump 7 is started, the foam liquid can quickly reach the first mixer 11 through the foam liquid conveying pipeline 6, and the conveying time is saved. So, can shorten the response time of whole system, make the system satisfy the 60 seconds response time of standard requirement to can be when taking place the condition of a fire, the very first time is effectively carried out and is put out a fire. The foam liquid conveying pipeline 6 is in a hollow state before the foam liquid pump 2 is started, so that the foam liquid can be prevented from being deteriorated due to the influence of the environment because the foam liquid is left in the foam liquid conveying pipeline 6 for a long time, and the subsequent fire extinguishing performance is further influenced.
The setting of conveying pipe net makes the utility model discloses can realize the protection mode of a pair of many to only can one set of system protection transformer when solving prior art's compressed air foam fire extinguishing systems protection transformer, cause with high costs, be not convenient for at the problem of limited protection space equipment.
The utility model discloses a compressed air foam fire extinguishing systems, the part that does not relate to (for example, fire detection module, control module etc.) all is the same with prior art or can adopt prior art to realize.
The above embodiments are only used to further illustrate the present invention, but the present invention is not limited to the embodiments, and any simple modification, equivalent change and modification of the technical entity of the present invention to the above embodiments all fall into the protection scope of the technical solution of the present invention.
Claims (8)
1. A separated compressed air foam fire extinguishing system comprises a water pump, a foam liquid pump, an air compressor, a mixing device, a water conveying pipeline, a foam liquid conveying pipeline and a compressed air conveying pipeline, wherein one end of the water conveying pipeline is connected with the output end of the water pump, the other end of the water conveying pipeline is connected with the input end of the mixing device, one end of the foam liquid conveying pipeline is connected with the output end of the foam liquid pump, the other end of the foam liquid conveying pipeline is connected with the input end of the mixing device, one end of the compressed air conveying pipeline is connected with the output end of the air compressor, and the other end of the compressed air conveying; the method is characterized in that: the water conveying pipeline is in a pre-filling state before the water pump is started, and the compressed air conveying pipeline is in a pre-filling state before the air compressor is started; the foam liquid conveying pipeline is shorter than the water conveying pipeline and the compressed air conveying pipeline, the foam liquid pump is close to the mixing device, and the foam liquid conveying pipeline is in a hollow state before the foam liquid pump is started.
2. A split compressed air foam fire suppression system according to claim 1, wherein: the water pump also comprises a first valve and a second valve, wherein the first valve is connected to the other end of the water conveying pipeline and is in a closed state before the water pump is started; the second valve is connected to the other end of the compressed air delivery line and is closed before the air compressor is started.
3. A split compressed air foam fire suppression system according to claim 1, wherein: the foam liquid pump also comprises a third valve which is connected to one end of the foam liquid conveying pipeline and is in a closed state before the foam liquid pump is started.
4. A split compressed air foam fire suppression system according to claim 1, wherein: the conveying pipe network comprises a collecting pipeline and a plurality of shunt pipelines, one end of the collecting pipeline is connected with the output end of the mixing device, the other end of the collecting pipeline is connected with one end of each shunt pipeline, and each shunt pipeline is connected with a fourth valve.
5. A split compressed air foam fire suppression system according to claim 4, wherein: the fourth valve is a distribution valve.
6. A split compressed air foam fire suppression system according to any one of claims 1-5, wherein: the mixing device comprises a first mixer and a second mixer, the other end of the water conveying pipeline and the other end of the foam liquid conveying pipeline are respectively connected with the input end of the first mixer, and the output end of the first mixer is connected with the input end of the second mixer through a mixing pipeline; the other end of the compressed air conveying pipeline is connected with the input end of a second mixer, and the output end of the second mixer forms the output end of the mixing device.
7. A split compressed air foam fire suppression system according to claim 6, wherein: and the mixing pipeline is connected with a fifth valve.
8. A split compressed air foam fire suppression system according to claim 1, wherein: and the input end of the foam liquid pump is connected with a foam liquid storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921838357.1U CN211536279U (en) | 2019-10-29 | 2019-10-29 | Disconnect-type compressed air foam fire extinguishing systems |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921838357.1U CN211536279U (en) | 2019-10-29 | 2019-10-29 | Disconnect-type compressed air foam fire extinguishing systems |
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| CN211536279U true CN211536279U (en) | 2020-09-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113198129A (en) * | 2021-05-19 | 2021-08-03 | 西安理工大学 | Compressed air foam extinguishing device intelligently adapting to multiple fire scenes |
| CN114225265A (en) * | 2021-11-24 | 2022-03-25 | 合肥巨澜安全技术有限责任公司 | Wet pipe network compressed air foam fire extinguishing system and process and control circuit thereof |
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2019
- 2019-10-29 CN CN201921838357.1U patent/CN211536279U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113198129A (en) * | 2021-05-19 | 2021-08-03 | 西安理工大学 | Compressed air foam extinguishing device intelligently adapting to multiple fire scenes |
| CN113198129B (en) * | 2021-05-19 | 2022-06-03 | 西安理工大学 | Compressed air foam extinguishing device intelligently adapting to multiple fire scenes |
| CN114225265A (en) * | 2021-11-24 | 2022-03-25 | 合肥巨澜安全技术有限责任公司 | Wet pipe network compressed air foam fire extinguishing system and process and control circuit thereof |
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