CN204343378U - A kind ofly utilize domatic flowing water as the tunnel fire protection system at water source - Google Patents

A kind ofly utilize domatic flowing water as the tunnel fire protection system at water source Download PDF

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Publication number
CN204343378U
CN204343378U CN201420844466.5U CN201420844466U CN204343378U CN 204343378 U CN204343378 U CN 204343378U CN 201420844466 U CN201420844466 U CN 201420844466U CN 204343378 U CN204343378 U CN 204343378U
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Prior art keywords
water
tunnel fire
tank
head
tunnel
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CN201420844466.5U
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Inventor
张恒
唐志
刘筑
廖斌
陈松艳
李少娜
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Guizhou Transportation Planning Survey and Design Academe Co Ltd
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Guizhou Transportation Planning Survey and Design Academe Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/108Rainwater harvesting

Abstract

The utility model discloses and a kind ofly utilize domatic flowing water as the tunnel fire protection system at water source, by utilizing domatic flowing water as water source, the water retention capacity of reservoir abundance can be ensured, reduce costs simultaneously; Multiple isohypses on hillside build drain dyke and collects domatic rainwater, make to gather water source convenient, cost is also lower; By arranging low pool, pump house and head-tank, automatically hydraulic pressure can be provided to tunnel fire plug; Pressure sensor is set, the number of silt in sand sediment trap is detected, when silt is too much, control centre to tunnel fire protection system sends wireless alarm signal, the silt of prompting staff to sand sediment trap is cleared up, avoid sand sediment trap silt too much to cause blocking the pipeline of UNICOM low pool, cause low pool cannot retaining, cause tunnel fire-fighting anhydrous available.

Description

A kind ofly utilize domatic flowing water as the tunnel fire protection system at water source
Technical field
The utility model relates to tunnel technical field of fire control, particularly relates to a kind ofly to utilize domatic flowing water as the tunnel fire protection system at water source.
Background technology
Along with the propelling of highway construction, the highway tunnel of mountain area and highlands gets more and more, and highway tunnel, once breaking out of fire, causes consequence serious, therefore, builds tunnel fire protection system extremely necessary.And these tunnels are substantially all among high and steep mountains, away from cities and towns, its water for fire fighting all adopts builds pond retaining to ensure water for fire fighting demand.Because of factor controllings such as topography and geomorphology, geology and precipitation, velocity tunnel fire water supply is collected often more difficult, and water source water yield fraction is low, in addition reservoir existing defects in addressing, construction and management etc., cause pond to seep water, leak and well damage, water for fire fighting requirement cannot be met, even if adopt waterwheel fortune water supply reservoir, because cost is higher, feasibility is lower.
Utility model content
In view of this, the utility model provides and a kind ofly utilizes domatic flowing water as the tunnel fire protection system at water source, by utilizing domatic flowing water as water source, can ensure the water retention capacity of reservoir abundance, reducing costs simultaneously.
Utilize domatic flowing water as the tunnel fire protection system at water source, comprise pressure sensor, wireless alarm, drain dyke and build filter, sand sediment trap, low pool, pump house, head-tank and the tunnel fire plug near described tunnel;
Described drain dyke has many, and build contiguous mountain, described tunnel and break, same drain dyke is built along the same isohypse on hillside, forms domatic flowing water for collecting rainwater on mountain;
The end of all described drain dykes is collected to filter, and described filter builds the low-lying place near tunnel, and described filter is connected by pipeline and described sand sediment trap; Described sand sediment trap is by being arranged on the pipeline on borehole wall top and described low pool UNICOM; The position of described low pool is lower than described sand sediment trap; Low pool water is extracted in head-tank by described pump house; The position that described head-tank is built is higher than described low pool; Described head-tank is connected in described tunnel fire plug by least two pipelines; The height of described head-tank is arranged according to the hydraulic pressure of tunnel fire plug;
Described pressure sensor is placed in the bottom of sand sediment trap, and the output of pressure sensor connects wireless alarm; Wireless alarm is arranged on the top of sand sediment trap, and is wirelessly connected with the control centre of tunnel fire protection system.
Further, the pool wall top of described low pool is provided with spout hole; Be provided with overflow well near described low pool, store the domatic flowing water flowed out from the spout hole of low pool.
Preferably, the capacity of described low pool and head-tank is suitable, for head-tank moisturizing; The gradient that water inlet pipe between described head-tank and tunnel fire plug rises on fire plug direction, tunnel, the described gradient is for being greater than or equal to 5/1000ths; The water inlet pipe be connected between described head-tank with tunnel fire plug arranges horn mouth down in head-tank one end, and described horn mouth is lower than the lowest water level at least 0.5 meter of head-tank; Described horn mouth and the clear distance at the bottom of head-tank pond are more than or equal to 0.8 times of water inlet pipe caliber, and the clear distance of described flared rim and head-tank pool wall is more than or equal to 1.5 times of water inlet pipe calibers; Clear distance between described two water inlet pipes is more than or equal to 3.5 times of water inlet pipe calibers; The cross section of described drain dyke is inverted trapezoidal, and the gradient of described drain dyke upper surface is 5%; Described drain dyke is equidistant has shrinkage joint, and described shrinkage joint adopts asphalt jute to fill; The distance at described two adjacent shrinkage joint is 10 meters to 15 meters.
The utility model has following beneficial effect:
Tunnel fire protection system of the present utility model, by utilizing domatic flowing water as water source, can ensure the water retention capacity of reservoir abundance, reducing costs simultaneously; Multiple isohypses on hillside build drain dyke and collects domatic rainwater, make to gather water source convenient, cost is also lower; By arranging low pool, pump house and head-tank, automatically hydraulic pressure can be provided to tunnel fire plug; Pressure sensor is set, the number of silt in sand sediment trap is detected, when silt is too much, control centre to tunnel fire protection system sends wireless alarm signal, the silt of prompting staff to sand sediment trap is cleared up, avoid sand sediment trap silt too much to cause blocking the pipeline of UNICOM low pool, cause low pool cannot retaining, cause tunnel fire-fighting anhydrous available.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of tunnel fire protection system of the present utility model.
Fig. 2 is the schematic diagram of sand sediment trap in the utility model.
Fig. 3 is the schematic diagram on hillside, place, tunnel in the utility model.
Fig. 4 is the schematic diagram of overland flow water in the utility model.
Wherein, 61-drain dyke, 62-tunnel, 63-filter, the domatic chute of 92-, 93-energy dissipating dam, 94-gutter, 95-road surface chute, 97-hillside, 98-gutter, 99-sand sediment trap, 910-low pool.
Detailed description of the invention
To develop simultaneously embodiment below in conjunction with accompanying drawing, the utility model is described in detail.
As depicted in figs. 1 and 2, on the mountain that tunnel is contiguous is broken, build many drain dykes, same drain dyke is built along the same isohypse on hillside, forms domatic flowing water for collecting rainwater on mountain; Flowing water flows in drain dyke along mountain shape.The end of all drain dykes is collected to filter, and filter builds the low-lying place near tunnel, and the water of drain dyke flows into filter along mountain shape, and filter is connected by pipeline and described sand sediment trap; Silt in domatic flowing water is after sand sediment trap precipitation, the low pool of the pipeline automatic stream lower that clear water is arranged from sand sediment trap borehole wall top, by pump house, clear water is delivered to head-tank again, because the position of head-tank is higher than the position of tunnel fire plug, the automatic mineralization pressure of the water in fire plug.The height of head-tank is arranged according to the hydraulic pressure of tunnel fire plug.For ensure fire plug uninterruptedly supply water, the water inlet pipe of one group of fire plug should be no less than two, when wherein one damage time, remaining water inlet pipe is still by whole water supply volume.
Pressure sensor is placed in the bottom of sand sediment trap, and the output of pressure sensor connects wireless alarm; Wireless alarm is arranged on the top of sand sediment trap, and is wirelessly connected with the control centre of tunnel fire protection system.By arranging pressure sensor, the number of silt in sand sediment trap is detected, when silt is too much, control centre to tunnel fire protection system sends wireless alarm signal, the silt of prompting staff to sand sediment trap is cleared up, avoid sand sediment trap silt too much to cause blocking the pipeline of UNICOM low pool, cause low pool cannot retaining, cause tunnel fire-fighting anhydrous available.
For ensureing that the water yield is sufficient, quite, after the water of head-tank is used up, low pool can to head-tank moisturizing once for the capacity of described low pool and head-tank, and what can ensure to provide two head-tank water yields to fire plug in a fire-fighting uses water.
In order to not make water inlet pipe inner accumulated air, the gradient that the water inlet pipe between head-tank and tunnel fire plug rises on fire plug direction, tunnel, the gradient is for being greater than or equal to 5/1000ths.
For ensureing that the water of head-tank can flow in water inlet pipe automatically, the water inlet pipe be connected between head-tank with tunnel fire plug arranges horn mouth down in head-tank one end, and described horn mouth is lower than the lowest water level at least 0.5 meter of head-tank.Horn mouth and the clear distance at the bottom of head-tank pond are more than or equal to 0.8 times of water inlet pipe caliber, and the clear distance of described flared rim and head-tank pool wall is more than or equal to 1.5 times of water inlet pipe calibers; Clear distance between described two water inlet pipes is more than or equal to 3.5 times of water inlet pipe calibers.
The water inlet pipe of Cold mountain area must have anti-frost protection measure, wraps up foam or antifreeze cotton-wool outside the water inlet pipe be therefore connected between head-tank with tunnel fire plug.
Water inlet pipe should take anti-corrosion measure, the water inlet pipe be connected between head-tank with tunnel fire plug be coated with eliminate rust, the coating of oil removing or acid-proof.For underground buried tube, preservative treatment can be carried out with bitumen insulation.
As shown in Figure 3, the cross section of drain dyke is inverted trapezoidal, and the gradient of described drain dyke upper surface is 5%, leads domatic surface pond for arranging.Drain dyke equidistantly has shrinkage joint every 10 to 15 meters, and shrinkage joint adopts asphalt jute to fill.
In sum, these are only preferred embodiment of the present utility model, be not intended to limit protection domain of the present utility model.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.

Claims (10)

1. one kind utilizes domatic flowing water as the tunnel fire protection system at water source, it is characterized in that, comprise pressure sensor, wireless alarm, drain dyke and build filter, sand sediment trap, low pool, pump house, head-tank and the tunnel fire plug near described tunnel;
Described drain dyke has many, and build contiguous mountain, described tunnel and break, same drain dyke is built along the same isohypse on hillside, forms domatic flowing water for collecting rainwater on mountain;
The end of all described drain dykes is collected to filter, and described filter builds the low-lying place near tunnel, and described filter is connected by pipeline and described sand sediment trap; Described sand sediment trap is by being arranged on the pipeline on borehole wall top and described low pool UNICOM; The position of described low pool is lower than described sand sediment trap; Low pool water is extracted in head-tank by described pump house; The position that described head-tank is built is higher than described low pool; Described head-tank is connected in described tunnel fire plug by least two pipelines; The height of described head-tank is arranged according to the hydraulic pressure of tunnel fire plug;
Described pressure sensor is placed in the bottom of sand sediment trap, and the output of pressure sensor connects wireless alarm; Wireless alarm is arranged on the top of sand sediment trap, and is wirelessly connected with the control centre of tunnel fire protection system.
2. a kind ofly as claimed in claim 1 utilize domatic flowing water as the tunnel fire protection system at water source, it is characterized in that, the pool wall top of described low pool is provided with spout hole.
3. a kind ofly as claimed in claim 1 utilize domatic flowing water as the tunnel fire protection system at water source, it is characterized in that, near described low pool, be provided with overflow well, store the domatic flowing water flowed out from the spout hole of low pool.
4. a kind ofly as claimed in claim 1 utilize domatic flowing water as the tunnel fire protection system at water source, it is characterized in that, the capacity of described low pool and head-tank is suitable, for head-tank moisturizing.
5. a kind ofly as claimed in claim 1 utilize domatic flowing water as the tunnel fire protection system at water source, it is characterized in that, the gradient that water inlet pipe between described head-tank and tunnel fire plug rises on fire plug direction, tunnel, the described gradient is for being greater than or equal to 5/1000ths.
6. a kind ofly as claimed in claim 1 utilize domatic flowing water as the tunnel fire protection system at water source, it is characterized in that, the water inlet pipe be connected between described head-tank with tunnel fire plug arranges horn mouth down in head-tank one end, and described horn mouth is lower than the lowest water level at least 0.5 meter of head-tank.
7. a kind ofly as claimed in claim 6 utilize domatic flowing water as the tunnel fire protection system at water source, it is characterized in that, described horn mouth and the clear distance at the bottom of head-tank pond are more than or equal to 0.8 times of water inlet pipe caliber, and the clear distance of described flared rim and head-tank pool wall is more than or equal to 1.5 times of water inlet pipe calibers; Clear distance between described two water inlet pipes is more than or equal to 3.5 times of water inlet pipe calibers.
8. a kind ofly as claimed in claim 1 utilize domatic flowing water as the tunnel fire protection system at water source, it is characterized in that, the cross section of described drain dyke is inverted trapezoidal, and the gradient of described drain dyke upper surface is 5%.
9. a kind ofly as claimed in claim 8 utilize domatic flowing water as the tunnel fire protection system at water source, it is characterized in that, described drain dyke is equidistant has shrinkage joint, and described shrinkage joint adopts asphalt jute to fill.
10. a kind ofly as claimed in claim 9 utilize domatic flowing water as the tunnel fire protection system at water source, it is characterized in that, the distance at described two adjacent shrinkage joint is 10 meters to 15 meters.
CN201420844466.5U 2014-12-25 2014-12-25 A kind ofly utilize domatic flowing water as the tunnel fire protection system at water source Active CN204343378U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104652532A (en) * 2014-12-25 2015-05-27 贵州省交通规划勘察设计研究院股份有限公司 Tunnel fire-fighting system using slope surface flowing water as water source
CN105220731A (en) * 2015-11-11 2016-01-06 甘建军 A kind of novel hillside rain water collecting system and mountain torrents, debris flow method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104652532A (en) * 2014-12-25 2015-05-27 贵州省交通规划勘察设计研究院股份有限公司 Tunnel fire-fighting system using slope surface flowing water as water source
CN105220731A (en) * 2015-11-11 2016-01-06 甘建军 A kind of novel hillside rain water collecting system and mountain torrents, debris flow method

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