CN210460749U - Tunnel fire extinguishing system - Google Patents
Tunnel fire extinguishing system Download PDFInfo
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- CN210460749U CN210460749U CN201921290279.6U CN201921290279U CN210460749U CN 210460749 U CN210460749 U CN 210460749U CN 201921290279 U CN201921290279 U CN 201921290279U CN 210460749 U CN210460749 U CN 210460749U
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Abstract
The utility model relates to the technical field of highway tunnel fire fighting, in particular to a tunnel fire fighting system, which comprises fire fighting equipment, a tunnel wall and a fire control system, wherein the fire fighting equipment is arranged in a tunnel chamber of the tunnel wall at intervals; the tunnel fire-fighting pressure stabilizing equipment is arranged in the pump room and is connected with the fire-fighting equipment through a fire-fighting main pipeline to provide a stable water source for the fire-fighting equipment; and the distribution box supplies power to the tunnel fire-fighting voltage stabilizing equipment. The utility model has the advantages of being simple in structure and convenient in operation, with low costs, rationally distributed, effectively improve fire control safety, the smoke and dust of avoiding the conflagration production brings harm to the driver and crew.
Description
Technical Field
The utility model relates to a highway tunnel fire control technical field, concretely relates to tunnel fire extinguishing system.
Background
The tunnel is an engineering building buried in the stratum, is a form of utilizing underground space by human beings, can be divided into a traffic tunnel, a hydraulic tunnel, a municipal tunnel and a mine tunnel, along with the development of social economy in China, more and more tunnels for passing in roads, railways, urban roads, tourist routes and the like in China are provided, and once disastrous accidents such as fire disasters occur in the road tunnel, the fire disasters can be easily extinguished in time, and serious casualties and property losses can be caused.
Disclosure of Invention
The utility model aims at providing a tunnel fire extinguishing system, simple structure, convenient operation, with low costs, rationally distributed, effectively improve fire control safety, the smoke and dust of avoiding the conflagration to produce brings harm to the driver and crew.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model discloses a tunnel fire extinguishing system, include:
the fire fighting equipment is arranged in a cavity of the tunnel wall at intervals;
the tunnel fire-fighting pressure stabilizing equipment is arranged in the pump room and is connected with the fire-fighting equipment through a fire-fighting main pipeline to provide a stable water source for the fire-fighting equipment; and
the distribution box supplies power for the tunnel fire-fighting voltage stabilizing equipment.
Further, the fire fighting equipment comprises an indoor fire hydrant, a water film-forming foam fire extinguishing device and a dry powder fire extinguisher, wherein the indoor fire hydrant and the water film-forming foam fire extinguishing device are connected to a main fire fighting pipeline in the tunnel.
Furthermore, the water film-forming foam fire extinguishing device comprises a foam liquid tank, a foam spray gun, a proportional mixer and a hose, wherein the inlet of the proportional mixer is respectively connected with the foam liquid tank and the fire-fighting main pipeline, the outlet of the proportional mixer is connected with one end of the hose, and the other end of the hose is connected with the foam spray gun.
Furthermore, the tunnel fire-fighting pressure stabilizing equipment comprises an air pressure tank, a water pump control cabinet, a pressure stabilizing pump and a fire pump, wherein the input end of the pressure stabilizing pump is connected to a fire-fighting water pool through a pipeline, the output end of the pressure stabilizing pump is connected with a fire-fighting main pipeline through the air pressure tank, the input end of the fire pump is connected to the fire-fighting water pool through a pipeline, and the output end of the fire pump is connected with the fire-fighting; and the water pump control cabinet is respectively in control connection with the air pressure tank, the pressure stabilizing pump and the fire pump.
Further, the water pump control cabinet communicates with a monitoring center switch through a tunnel switch, and the monitoring center switch is connected with an upper computer.
Furthermore, a floating ball liquid level instrument is arranged in the fire pool and connected with the water pump control cabinet.
And furthermore, two sides of the pedestrian crosshole between the two parallel tunnels are respectively provided with a fireproof rolling door.
Furthermore, the fireproof rolling door adopts an inward pushing type, and the outer surface of the fireproof rolling door is covered with a steel plate with the thickness of 1.2 mm.
Furthermore, the system also comprises a fire detector, a fire alarm controller and a fire acousto-optic alarm device which are arranged in the tunnel, wherein the input end of the fire alarm controller is connected with the fire detector, the output end of the fire alarm controller is connected with the fire acousto-optic alarm device, and the fire alarm controller is connected with an upper computer.
Further, the system also comprises an outdoor fire hydrant, and the outdoor fire hydrant is installed on the main fire fighting pipeline outside the tunnel.
Compared with the prior art, the utility model has the advantages of it is following:
the utility model discloses a tunnel fire extinguishing system, fire-fighting equipment is installed at the indoor certain distance in tunnel wall's tunnel at interval, tunnel fire control steady voltage equipment passes through the fire-fighting trunk line with fire-fighting equipment and is connected, the effect of balanced water yield and pressure has been played, ensure the required water supply pressure of fire hydrant, water supply safe and reliable, still be provided with fire detector in the tunnel, fire alarm controller can send real-time supervision's the condition of a fire to the surveillance center and supply staff's decision-making reference, steady voltage pump and fire pump can be by water pump control cabinet automatic control, also can be controlled by remote monitoring center's host computer to water pump control cabinet send instruction, convenient operation is swift, realize the condition of a fire in the real time monitoring tunnel, be convenient for inform the site personnel in time to put out a fire, improve highway tunnel fire control.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
Fig. 1 is a control schematic diagram of a tunnel fire fighting system according to an embodiment of the present invention;
FIG. 2 is a layout view of a fire apparatus;
FIG. 3 is a schematic view of the construction of the fire apparatus;
FIG. 4 is a schematic view of a fire rated rolling door;
FIG. 5 is a layout view of a fire resistant rolling door;
fig. 6 is a schematic structural diagram of the tunnel fire-fighting voltage stabilizing device.
The reference numbers in the figures denote: 1. the fire fighting system comprises an indoor fire hydrant, 2, a hose, 3, a water gun, 4, a foam liquid tank, 5, a foam spray gun, 6, a proportional mixer, 7, a hose, 8, an air pressure tank, 9, a water pump control cabinet, 10, a pressure stabilizing pump, 11, a fire pump, 12, a tunnel switch, 13, a monitoring center switch, 14, an upper computer, 15, a fire pool, 16, a floating ball liquid level meter, 17, a fire-proof rolling door, 18, a fire detector, 19, a fire alarm controller, 20, a fire audible and visual alarm, 21, an outdoor fire hydrant, 22, an automatic exhaust valve, 23, a distribution box, 24, a water film-forming foam fire extinguishing device, 25, a dry powder fire extinguisher and 26, and a fire main pipeline.
Detailed Description
In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments.
The tunnel fire extinguishing system of this embodiment, including fire-fighting equipment, tunnel fire control steady voltage equipment and block terminal 23, block terminal 23 is the power supply of tunnel fire control steady voltage equipment.
As shown in fig. 2 and 3, the fire fighting equipment is installed in the cavity of the tunnel wall at intervals and comprises an indoor fire hydrant 1, a water film-forming foam fire extinguishing device 24 and a dry powder fire extinguisher 25; the indoor fire hydrant 1 is connected to a main fire fighting pipeline 26 in the tunnel, a hose 2 and a water gun 3 are further arranged near the indoor fire hydrant 1, when the indoor fire hydrant 1 is used, one end of the hose 2 is connected with the indoor fire hydrant 1, the other end of the hose is connected with the water gun 3, when the indoor fire hydrant 1 is not used, the hose is detached and placed separately, and space is not occupied; the water film-forming foam fire extinguishing device 24 comprises a foam liquid tank 4, a foam spray gun 5, a proportioning mixer 6 and a hose 7, wherein the inlet of the proportioning mixer 6 is respectively connected with the foam liquid tank 4 and a fire-fighting main pipeline 26, the outlet of the proportioning mixer 6 is connected with one end of the hose 7, the other end of the hose 7 is connected with the foam spray gun 5, and foam-water mixed liquid with stable mixing proportion is formed in the proportioning mixer 6. Preferably, dry chemical extinguisher 25 is a portable ammonium phosphate dry chemical extinguisher, four of which are placed in the chambers of each tunnel wall.
As shown in fig. 6, the tunnel fire-fighting pressure stabilizing device is arranged in a pump room and comprises an air pressure tank 8, a water pump control cabinet 9, a pressure stabilizing pump 10 and a fire pump 11, wherein the input end of the pressure stabilizing pump 10 is connected into a fire pool 15 through a pipeline, the output end of the pressure stabilizing pump is connected with a fire main pipeline 26 through the air pressure tank 8, the input end of the fire pump 11 is connected into the fire pool 15 through a pipeline, the output end of the fire pump is connected with the fire main pipeline 26, and the water pump control cabinet 9 is respectively in control connection with the air pressure tank 8, the pressure. Four pressure control points P1, P2, P3 and P4 are set in the air pressure tank 8, P1 is the minimum working pressure of the air pressure tank 8, P2 is the starting pressure of the fire pump 11, P3 is the starting pressure of the pressure stabilizing pump 10, and P4 is the stopping pressure of the pressure stabilizing pump 10. When the pressure in the tank is P4, the fire fighting pipe network is in a high pressure state, the pressure stabilizing pump 10 and the fire fighting pump 11 are both in a stop state, the pressure in the tank is reduced from P4 to P3 along with the pressure relief caused by the leakage of the fire fighting pipe network or other reasons, the pressure stabilizing pump 10 is started to supplement water to the air pressure tank 8, and the pressure stabilizing pump 10 stops running until the pressure in the tank reaches P4, so that the ordinary-ready storage of the fire fighting water storage in the air pressure tank 8 is ensured. If a fire disaster happens in the tunnel, the water consumption is reduced in the air pressure tank 8 along with the opening of the fire fighting equipment, the pressure is continuously reduced, when the water is rapidly reduced from P4 to P2, a signal is output to the water pump control cabinet 9, the fire pump 11 is automatically started to supply water to a fire fighting pipe network, after the fire pump 11 is started, the pressure stabilizing pump 10 automatically stops running, the fire fighting pressurization function is completed, and the purpose of balancing the water quantity and the pressure is achieved. As shown in fig. 1, the water pump control cabinet 9 communicates with a monitoring center switch 13 through a tunnel switch 12, the monitoring center switch 13 is connected with an upper computer 14, and the upper computer 14 can send an operation instruction to the water pump control cabinet 9 to control the start and stop of the pressure stabilizing pump 10 and the fire pump 11, so as to ensure the water supply pressure required by the fire hydrant. Preferably, a floating ball liquid level instrument 16 is arranged in the fire pool 15, the floating ball liquid level instrument 16 is connected with the water pump control cabinet 9, the floating ball liquid level instrument 16 is used for transmitting the monitored water level of the fire pool 15 to the water pump control cabinet 9, and the water pump control cabinet 9 can adopt a PLC control cabinet.
Further, as shown in fig. 4 and 5, two fire-proof rolling doors 17 with a size of 2.1m × 3.1m are respectively arranged on two sides of the pedestrian crosshole between two parallel tunnels, the fire-proof rolling doors 17 are of an inward pushing type, and the outer surfaces of the fire-proof rolling doors are covered with steel plates with a thickness of 1.2mm, so that the fire can be effectively prevented from spreading to the adjacent tunnels.
In addition to the above structure, as shown in fig. 1, the system further includes a fire detector 18, a fire alarm controller 19 and a fire audible and visual alarm 20, which are arranged in the tunnel, wherein an input end of the fire alarm controller 19 is connected with the fire detector 18, an output end of the fire alarm controller 19 is connected with the fire audible and visual alarm 20, and the fire alarm controller 19 is connected with the upper computer 14, so that fire scene alarm can be realized, and meanwhile, fire conditions can be transmitted to a monitoring center.
The system also comprises an outdoor fire hydrant 21, wherein the outdoor fire hydrant 21 is arranged on a main fire fighting pipeline 26 outside the tunnel, and an automatic exhaust valve 22 is also distributed on the main fire fighting pipeline 26 outside the tunnel.
The utility model discloses a tunnel fire extinguishing system, the conflagration condition in the real time monitoring tunnel is convenient for inform the site personnel in time to put out a fire, has improved highway tunnel fire control safety level.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" or "an" and the like in the description and in the claims of this application do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
Finally, it is to be noted that: the above description is only the preferred embodiment of the present invention, which is only used to illustrate the technical solution of the present invention, and is not used to limit the protection scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention is included in the protection scope of the present invention.
Claims (10)
1. A tunnel fire fighting system, comprising:
the fire fighting equipment is arranged in a cavity of the tunnel wall at intervals;
the tunnel fire-fighting pressure stabilizing equipment is arranged in the pump room and is connected with the fire-fighting equipment through a fire-fighting main pipeline to provide a stable water source for the fire-fighting equipment; and
the distribution box supplies power for the tunnel fire-fighting voltage stabilizing equipment.
2. The tunnel fire fighting system of claim 1, wherein the fire fighting equipment comprises an indoor hydrant, a water film-forming foam fire extinguishing apparatus and a dry powder fire extinguisher, the indoor hydrant and the water film-forming foam fire extinguishing apparatus being connected to a main fire fighting pipe in the tunnel.
3. The tunnel fire fighting system according to claim 2, wherein the water-filming foam fire extinguishing device comprises a foam liquid tank, a foam spray gun, a proportional mixer and a hose, wherein the inlet of the proportional mixer is connected with the foam liquid tank and the fire fighting main pipeline respectively, the outlet of the proportional mixer is connected with one end of the hose, and the other end of the hose is connected with the foam spray gun.
4. The tunnel fire fighting system according to claim 1, wherein the tunnel fire fighting pressure stabilizing device comprises an air pressure tank, a water pump control cabinet, a pressure stabilizing pump and a fire pump, wherein an input end of the pressure stabilizing pump is connected to a fire pool through a pipeline, an output end of the pressure stabilizing pump is connected to a fire main pipeline through the air pressure tank, an input end of the fire pump is connected to the fire pool through a pipeline, and an output end of the fire pump is connected to the fire main pipeline; and the water pump control cabinet is respectively in control connection with the air pressure tank, the pressure stabilizing pump and the fire pump.
5. The tunnel fire fighting system of claim 4, wherein the pump control cabinet is in communication with a monitoring center switch through a tunnel switch, the monitoring center switch being connected to an upper computer.
6. The tunnel fire fighting system according to claim 4, wherein a floating ball level gauge is disposed in the fire pool, and the floating ball level gauge is connected to the pump control cabinet.
7. A tunnel fire fighting system as defined in claim 1, wherein a fire protection shutter is provided on each side of the crosswalk between two parallel tunnels.
8. The system of claim 7, wherein the fire protection shutter door is of a push-in type and has an outer surface coated with a steel plate having a thickness of 1.2 mm.
9. The tunnel fire-fighting system according to claim 1, further comprising a fire detector, a fire alarm controller and a fire audible and visual alarm arranged in the tunnel, wherein the input end of the fire alarm controller is connected with the fire detector, the output end of the fire alarm controller is connected with the fire audible and visual alarm, and the fire alarm controller is connected with an upper computer.
10. The system of claim 1, further comprising an outdoor hydrant mounted on the main fire fighting pipe outside the tunnel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921290279.6U CN210460749U (en) | 2019-08-10 | 2019-08-10 | Tunnel fire extinguishing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921290279.6U CN210460749U (en) | 2019-08-10 | 2019-08-10 | Tunnel fire extinguishing system |
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| Publication Number | Publication Date |
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| CN210460749U true CN210460749U (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921290279.6U Active CN210460749U (en) | 2019-08-10 | 2019-08-10 | Tunnel fire extinguishing system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113026866A (en) * | 2021-03-10 | 2021-06-25 | 闽南消防科技有限公司 | Outdoor intelligent fire hydrant installation monitoring device |
| RU2780917C1 (en) * | 2021-06-15 | 2022-10-04 | Игорь Владимирович Соснило | Mains pipeline fire-fighting system |
-
2019
- 2019-08-10 CN CN201921290279.6U patent/CN210460749U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113026866A (en) * | 2021-03-10 | 2021-06-25 | 闽南消防科技有限公司 | Outdoor intelligent fire hydrant installation monitoring device |
| CN113026866B (en) * | 2021-03-10 | 2022-10-11 | 闽南消防科技有限公司 | Outdoor intelligent fire hydrant installation monitoring device |
| RU2780917C1 (en) * | 2021-06-15 | 2022-10-04 | Игорь Владимирович Соснило | Mains pipeline fire-fighting system |
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