CN105201543A - Anti-freezing type tunnel firefighting network system - Google Patents
Anti-freezing type tunnel firefighting network system Download PDFInfo
- Publication number
- CN105201543A CN105201543A CN201510549010.5A CN201510549010A CN105201543A CN 105201543 A CN105201543 A CN 105201543A CN 201510549010 A CN201510549010 A CN 201510549010A CN 105201543 A CN105201543 A CN 105201543A
- Authority
- CN
- China
- Prior art keywords
- fire
- tube
- branch pipe
- main pipeline
- type tunnel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007710 freezing Methods 0.000 title abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 230000008014 freezing Effects 0.000 abstract description 7
- 239000007921 spray Substances 0.000 description 13
- 230000002528 anti-freeze Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/02—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires by wetting or spraying
- E21F5/04—Spraying barriers
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses an anti-freezing type tunnel firefighting network system. The anti-freezing type tunnel firefighting network system comprises an anti-freezing layer, a main pipeline embedded below the anti-freezing layer and branch pipelines communicated with the main pipeline, wherein the lower ends of the branch pipelines are connected with the main pipeline, and upper ends of the branch pipelines penetrate through the anti-freezing layer and extend out of the anti-freezing layer; a drain opening used for clearing water accumulated in each branch pipeline and a drain valve used for controlling opening and closing of the drain opening are formed in the side wall of each branch pipeline. The firefighting network system is simple in structure and lower in laying and maintaining cost and can effectively prevent unavailability of the tunnel firefighting network due to freezing.
Description
Technical field
The present invention relates to tunnel technical field of fire safety, specifically a kind of antifreezing type tunnel fire net system.
Background technology
Along with increasing of long tunnel, the application of water fire fighting device in tunnel fire protection system is also more and more extensive, but under not applying working condition, in feedwater piping, fire protection pipeline, velocity of medium is zero, in order to ensure that each pipe network normally runs in the winter time, require that various pipeline does not freeze in order to using at any time, then to carry out antifreeze process to pipeline.Current tunnel fire-fighting main antifreezing scheme has wrapping freezing prevention tubing method, fills anti-icing fluid freeze proofing and pipeline tracing system freeze proofing; These means to prevent freezings otherwise antifreezing effect poor, safeguard comparatively difficulty; Just antifreeze O&M costly, is not well positioned to meet the demand of tunnel pipelines anti-frost protection.
Therefore, need a kind of structure simple, lay and maintenance cost lower, effectively can place again the antifreezing type tunnel fire net system that fire-fighting official website, tunnel cannot use because freezing simultaneously.
Summary of the invention
In view of this, the object of the invention is to overcome defect of the prior art, provide a kind of structure simple, lay and maintenance cost lower, effectively can place again the antifreezing type tunnel fire net system that fire-fighting official website, tunnel cannot use because freezing simultaneously.
Antifreezing type tunnel of the present invention fire net system, the branch pipe(tube) comprising freeze proof layer, be embedded in the main pipeline below described freeze proof layer and be communicated with described main pipeline; Described branch pipe(tube) lower end is connected with main pipeline, and branch pipe(tube) upper end stretches out in above freeze proof layer through described freeze proof layer; Described branch pipe(tube) sidewall is provided with the discharge opening for being emptied by the ponding in branch pipe(tube) and is used for controlling the drain valve of described discharge opening opening and closing;
Antifreezing type tunnel of the present invention fire net system also comprises the fire cistern be communicated with described main pipeline, and described fire cistern is arranged in the massif between left tunnel hole and Tunnel Right hole;
Further, described fire cistern is arranged in the massif around the highest tunnel sections of height above sea level;
Further, the water intaking valve be provided with below discharge opening for controlling current direction branch pipe(tube) is positioned in described branch pipe(tube);
Further, the height of described water intaking valve is concordant with described freeze proof layer soffit;
Antifreezing type tunnel of the present invention fire net system also comprises the tele-control system be connected with described water intaking valve and drain valve signal for controlling its opening and closing.
The invention has the beneficial effects as follows: antifreezing type tunnel of the present invention fire net system, main pipeline is arranged at below freeze proof layer, due to when water is below freeze proof layer, would not freeze, main pipeline is avoided to block because freezing thus, branch pipe(tube) is connected to spray equipment along long to being distributed in main pipeline sidewall and stretching out above freeze proof layer, when after use spray equipment, ponding can be had in main pipeline, and the ponding ponding in branch pipe(tube) can discharged by the discharge opening of branch pipe(tube) sidewall and drain valve in final emptying branch pipe(tube), thus stop fire-fighting arm frozen problem.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is the connection diagram of main pipeline of the present invention and branch pipe(tube);
Fig. 2 is the layout schematic diagram of fire cistern of the present invention.
Detailed description of the invention
Fig. 1 is the connection diagram of main pipeline 5 of the present invention and branch pipe(tube) 2, Fig. 2 is the layout schematic diagram of fire cistern 8 of the present invention, as shown in the figure, and the antifreezing type tunnel fire net system of the present embodiment, the branch pipe(tube) 2 comprising freeze proof layer 1, be embedded in the main pipeline 5 below described freeze proof layer 1 and be communicated with described main pipeline 5, described branch pipe(tube) 2 lower end is connected with main pipeline 5, and branch pipe(tube) 2 upper end stretches out in above freeze proof layer 1 through described freeze proof layer 1, described branch pipe(tube) 2 sidewall is provided with the discharge opening for being emptied by the ponding in branch pipe(tube) 2 and is used for controlling the drain valve 4 of described discharge opening opening and closing, because main pipeline 5 is arranged at freeze proof layer less than 1, because water is freeze proof layer less than 1 time, would not freeze, main pipeline 5 is avoided to block because of icing thus, branch pipe(tube) 2 is connected to spray equipment along long to being distributed in main pipeline 5 sidewall and stretching out above freeze proof layer 1, when after use spray equipment, ponding can be had in main pipeline 5, and the ponding ponding in branch pipe(tube) 2 can discharged by the discharge opening of branch pipe(tube) 2 sidewall and drain valve 4 in final emptying branch pipe(tube) 2, thus stopped fire-fighting arm frozen problem.
Antifreezing type tunnel of the present invention fire net system also comprises the fire cistern 8 be communicated with described main pipeline 5, described fire cistern 8 is arranged in the massif between left tunnel hole 6 and Tunnel Right hole 7, this position and heat exchange with outside degree less, freeze proof layer 1 reference point is the mountain top of place, tunnel massif, therefore can be considered the position being positioned at freeze proof layer less than 1 in the massif between left tunnel hole 6 and Tunnel Right hole 7, therefore, it is possible to ensure that the water in fire cistern 8 can not freeze.
In the present embodiment, described fire cistern 8 is arranged in the massif around the highest tunnel sections of height above sea level, when utilizing this tunnel fire protection system to put out a fire, the gravitional force of water in fire cistern 8 can be utilized, water is flow to the position needing to carry out putting out a fire by main pipeline 5, therefore, it is possible to save certain electric energy.
In the present embodiment, be positioned at the water intaking valve 3 be provided with below discharge opening for controlling current direction branch pipe(tube) 2 in described branch pipe(tube) 2, when not using spray system, water intaking valve 3 can be closed, open all drain valves 4, the water in emptying fire-fighting arm simultaneously, stop fire-fighting arm frozen problem; When using spray system, should first close arm drain valve 4, opening corresponding region arm water intaking valve 3, spraying; After spray terminates, first close this region water intaking valve 3, opening this region drain valve 4, make to keep anhydrous state in fire-fighting arm, play antifreeze effect.
In the present embodiment, the height of described water intaking valve 3 is concordant with described freeze proof layer 1 soffit, the water of the pipeline section be positioned at below freeze proof layer 1 due to branch pipe(tube) 2 can not freeze, therefore, water intaking valve 3 is arranged at this, after fire-fighting spraying terminates, only need closes water intaking valve 3, water above water intaking valve 3 is drained, can realize antifreeze.
Antifreezing type tunnel of the present invention fire net system also comprises the tele-control system be connected with described water intaking valve 3 and drain valve 4 signal for controlling its opening and closing.
The implementation step of fire protection pipeline means to prevent freezing of the present invention is as follows:
When not using spray system, close water intaking valves 3 all in pipe network by Long-distance Control; Open all drain valves 4, the water in emptying fire-fighting arm, stop fire-fighting arm frozen problem;
When using spray system, according to spray demand, long-range closedown can need the arm drain valve 4 opened in the fire-fighting region of spray, opening corresponding region arm water intaking valve 3, spray; After spray terminates, first close this region water intaking valve 3, opening this region drain valve 4, make to keep anhydrous state in fire-fighting arm, play antifreeze effect.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (6)
1. an antifreezing type tunnel fire net system, is characterized in that: the branch pipe(tube) comprising freeze proof layer, be embedded in the main pipeline below described freeze proof layer and be communicated with described main pipeline; Described branch pipe(tube) lower end is connected with main pipeline, and branch pipe(tube) upper end stretches out in above freeze proof layer through described freeze proof layer; Described branch pipe(tube) sidewall is provided with the discharge opening for being emptied by the ponding in branch pipe(tube) and is used for controlling the drain valve of described discharge opening opening and closing.
2. antifreezing type tunnel according to claim 1 fire net system, is characterized in that: also comprise the fire cistern be communicated with described main pipeline, described fire cistern is arranged in the massif between left tunnel hole and Tunnel Right hole.
3. antifreezing type tunnel according to claim 2 fire net system, is characterized in that: described fire cistern is arranged in the massif around the highest tunnel sections of height above sea level.
4. antifreezing type tunnel according to claim 3 fire net system, is characterized in that: be positioned at the water intaking valve be provided with below discharge opening for controlling current direction branch pipe(tube) in described branch pipe(tube).
5. antifreezing type tunnel according to claim 4 fire net system, is characterized in that: the height of described water intaking valve is concordant with described freeze proof layer soffit.
6. antifreezing type tunnel according to claim 5 fire net system, is characterized in that: also comprise the tele-control system be connected with described water intaking valve and drain valve signal for controlling its opening and closing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510549010.5A CN105201543A (en) | 2015-08-31 | 2015-08-31 | Anti-freezing type tunnel firefighting network system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510549010.5A CN105201543A (en) | 2015-08-31 | 2015-08-31 | Anti-freezing type tunnel firefighting network system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105201543A true CN105201543A (en) | 2015-12-30 |
Family
ID=54949456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510549010.5A Pending CN105201543A (en) | 2015-08-31 | 2015-08-31 | Anti-freezing type tunnel firefighting network system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105201543A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112648001A (en) * | 2020-12-23 | 2021-04-13 | 黑春先 | Tunnel fire-fighting facility for north |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1234467A (en) * | 1998-12-16 | 1999-11-10 | 徐国勤 | Technology for preventing water-delivery system from frost crack |
| CN203023724U (en) * | 2012-11-12 | 2013-06-26 | 鞍钢集团工程技术有限公司 | Water supply and drainage device for buried pipeline |
| CN203308498U (en) * | 2013-05-31 | 2013-11-27 | 武汉广益交通科技股份有限公司 | Energy-saving fire fighting system for tunnel of cold region |
| CN104594450A (en) * | 2014-12-25 | 2015-05-06 | 贵州省交通规划勘察设计研究院股份有限公司 | Tunnel fire-fighting system with valley intermountain water being water source |
| CN104594453A (en) * | 2015-01-04 | 2015-05-06 | 河海大学 | Anti-freezing anti-cracking device for underground water delivery pipeline in northern area |
-
2015
- 2015-08-31 CN CN201510549010.5A patent/CN105201543A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1234467A (en) * | 1998-12-16 | 1999-11-10 | 徐国勤 | Technology for preventing water-delivery system from frost crack |
| CN203023724U (en) * | 2012-11-12 | 2013-06-26 | 鞍钢集团工程技术有限公司 | Water supply and drainage device for buried pipeline |
| CN203308498U (en) * | 2013-05-31 | 2013-11-27 | 武汉广益交通科技股份有限公司 | Energy-saving fire fighting system for tunnel of cold region |
| CN104594450A (en) * | 2014-12-25 | 2015-05-06 | 贵州省交通规划勘察设计研究院股份有限公司 | Tunnel fire-fighting system with valley intermountain water being water source |
| CN104594453A (en) * | 2015-01-04 | 2015-05-06 | 河海大学 | Anti-freezing anti-cracking device for underground water delivery pipeline in northern area |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112648001A (en) * | 2020-12-23 | 2021-04-13 | 黑春先 | Tunnel fire-fighting facility for north |
| CN112648001B (en) * | 2020-12-23 | 2023-04-28 | 黑春先 | Tunnel fire-fighting facility for north |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20151230 |