CN211692513U - Fireproof cooling water supply system of tunnel lining structure - Google Patents
Fireproof cooling water supply system of tunnel lining structure Download PDFInfo
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- CN211692513U CN211692513U CN202020175919.5U CN202020175919U CN211692513U CN 211692513 U CN211692513 U CN 211692513U CN 202020175919 U CN202020175919 U CN 202020175919U CN 211692513 U CN211692513 U CN 211692513U
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- spray
- branch pipe
- tunnel
- lining structure
- spraying
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Abstract
The utility model discloses a tunnel lining structure's fire prevention cooling water supply system belongs to tunnel engineering technical field, and high temperature can cause the problem of destruction to lining structure when having solved the conflagration breaing out. The utility model discloses a spray and be responsible for, spray the branch pipe and spray the pump, spray and be responsible for along tunnel length direction setting, spray the branch pipe and set up along tunnel arch, spray the branch pipe and be equipped with a plurality ofly and distribute along tunnel length direction, spray the branch pipe and spray and be responsible for and be linked together, the equipartition has a plurality of shower nozzles on spraying the branch pipe, the shower nozzle is towards the lining cutting structure in tunnel, spray the pump and establish on spraying the person in charge. When a fire disaster occurs, the spraying main pipe, the spraying branch pipes and the spray heads spray water to the lining structure so as to effectively cool the lining structure, and the water is vaporized to absorb heat, so that the fire-resistant time of the lining structure is further prolonged.
Description
Technical Field
The utility model belongs to the technical field of tunnel engineering, concretely relates to tunnel lining structure's fire prevention cooling water supply system.
Background
Tunnel engineering is as solving the major engineering of urban internal and external traffic, and its safe operation seems very important, but tunnel self particularity makes the conflagration incidence in the tunnel high, in case of the conflagration, high temperature can produce serious destruction to the lining structure, not only can reduce the bearing capacity of structural system, can influence the durability of structure simultaneously, also can produce harmful effects to adjacent building (structure).
The existing technology for improving the fire resistance of the tunnel lining structure mainly starts from two aspects, namely improving the fire resistance of the lining structure, and providing effective heat insulation measures to reduce the heat load applied to the lining structure. Although tunnel lining structures have certain insulating and fire-resistant properties, high temperatures can still cause some degree of damage to the lining structure in the event of a fire.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a tunnel lining structure's fire prevention cooling water supply system to high temperature can cause the problem of destruction to lining structure when solving the conflagration breaing out.
The technical scheme of the utility model is that: the utility model provides a tunnel lining structure's fire prevention cooling water supply system, is including spraying the person in charge, spray the branch pipe and spray the pump, spray the person in charge and set up along tunnel length direction, spray the branch pipe and set up along the tunnel arch, spray the branch pipe and be equipped with a plurality ofly and distribute along tunnel length direction, spray the branch pipe and spray the person in charge and be linked together, the equipartition has a plurality of shower nozzles on spraying the branch pipe, the shower nozzle is towards the lining cutting structure in tunnel, spray the pump and establish on spraying the.
As a further improvement, the utility model is provided with a control valve on the spraying main pipe.
As a further improvement of the utility model, a signal valve is arranged on the spraying branch pipe.
As a further improvement of the utility model, a water flow indicator is arranged on the spraying branch pipe.
As a further improvement, the spray branch pipe end is provided with a pressure gauge and a pressure test valve for checking whether the water pressure of the spray branch pipe is normal or not.
The utility model has the advantages that: the utility model provides a tunnel lining structure's fire prevention cooling water supply system when the conflagration breaing out, is responsible for, sprays branch pipe, shower nozzle and to the lining cutting structure water spray through spraying to effectively cool off the lining cutting structure, utilize water vaporization to absorb the heat, further improve the refractory time of lining cutting structure. The utility model discloses further improve the refractory time of lining cutting structure on the basis of the fire resistance of current tunnel lining cutting structure, guarantee tunnel lining cutting structure's stability and security improve the bearing capacity of tunnel lining cutting structure system. The utility model is suitable for a city tunnel, submarine tunnel, railway tunnel, highway tunnel, tunnel etc. flee has very strong practicality, can popularize and apply on a large scale.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic view of the connection between the main pipe and the branch pipe.
In the figure, 1-tunnel; 2-lining structure; 3-spraying a main pipe; 4-a signal valve; 5-a water flow indicator; 6-spraying branch pipes; 7-a spray head; 8-a pressure gauge; 9-a pressure testing valve; 10-a spray pump; 11-fire fighting pipe ditch; 12-control valve.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, a tunnel lining structure's fire prevention cooling water supply system, including spraying the person in charge 3, spray branch pipe 6 and spray pump 10, spray the person in charge 3 and set up along 1 length direction in tunnel, spray branch pipe 6 sets up along 1 arch in tunnel, spray branch pipe 6 is equipped with a plurality ofly and along 1 length direction evenly distributed in tunnel, spray branch pipe 6 with spray the person in charge 3 and be linked together, the equipartition has a plurality of shower nozzles 7 on spray branch pipe 6, shower nozzle 7 is towards tunnel 1's lining structure 2, spray pump 10 is established on spraying person in charge 3.
The spraying main pipe 3 is provided with a control valve 12.
The spraying branch pipe 6 is provided with a signal valve 4.
The spray branch pipe 6 is provided with a water flow indicator 5.
The tail end of the spray branch pipe 6 is provided with a pressure gauge 8 and a pressure test valve 9.
The main spray pipe 3 is laid along a fire fighting pipe ditch 11 in the tunnel 1. The spraying branch pipes 6 are uniformly distributed in the tunnel 1 at a certain distance. The signal valve 4 and the water flow indicator 5 are arranged at the connecting section of the main spray pipe 3 and the branch spray pipe 6.
The system must be matched with electrical monitoring to complete the automatic operation of the spray pump.
When a fire breaks out, the spray head 7 acts and automatically controls the work to spray water to the lining structure 2 for cooling through the spray pump 10, the control valve 12, the signal valve 4 and the water flow indicator 5. The control valve 12 controls the main shower pipe 3, the signal valve 4 and the water flow indicator 5 to monitor the water flow condition in each shower branch pipe 6.
Claims (5)
1. The utility model provides a tunnel lining structure's fire prevention cooling water supply system which characterized in that: including spraying person in charge (3), spray branch pipe (6) and spray pump (10), spray person in charge (3) and set up along tunnel (1) length direction, spray branch pipe (6) and set up along tunnel (1) arch, spray branch pipe (6) and be equipped with a plurality ofly and distribute along tunnel (1) length direction, spray branch pipe (6) and spray person in charge (3) and be linked together, the equipartition has a plurality of shower nozzles (7) on spraying branch pipe (6), and shower nozzle (7) are towards lining structure (2) in tunnel (1), it establishes on spraying person in charge (3) to spray pump (10).
2. The fire-resistant cooling water supply system of a tunnel lining structure according to claim 1, wherein: and a control valve (12) is arranged on the spraying main pipe (3).
3. A fire-resistant cooling water supply system of a tunnel lining structure according to claim 1 or 2, characterized in that: and the spraying branch pipe (6) is provided with a signal valve (4).
4. A fire-resistant cooling water supply system of a tunnel lining structure according to claim 3, wherein: and a water flow indicator (5) is arranged on the spraying branch pipe (6).
5. The fire-resistant cooling water supply system of a tunnel lining structure according to claim 4, wherein: the tail end of the spraying branch pipe (6) is provided with a pressure gauge (8) and a pressure testing valve (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020175919.5U CN211692513U (en) | 2020-02-17 | 2020-02-17 | Fireproof cooling water supply system of tunnel lining structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020175919.5U CN211692513U (en) | 2020-02-17 | 2020-02-17 | Fireproof cooling water supply system of tunnel lining structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211692513U true CN211692513U (en) | 2020-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020175919.5U Active CN211692513U (en) | 2020-02-17 | 2020-02-17 | Fireproof cooling water supply system of tunnel lining structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211692513U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114033472A (en) * | 2021-11-10 | 2022-02-11 | 嘉应学院 | Tunnel fire prevention isolating device |
-
2020
- 2020-02-17 CN CN202020175919.5U patent/CN211692513U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114033472A (en) * | 2021-11-10 | 2022-02-11 | 嘉应学院 | Tunnel fire prevention isolating device |
| CN114033472B (en) * | 2021-11-10 | 2023-09-15 | 嘉应学院 | Tunnel fire prevention isolating device |
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