CN204356842U - A kind of tunnel fire protection system based on elevated storage case - Google Patents

A kind of tunnel fire protection system based on elevated storage case Download PDF

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Publication number
CN204356842U
CN204356842U CN201420844511.7U CN201420844511U CN204356842U CN 204356842 U CN204356842 U CN 204356842U CN 201420844511 U CN201420844511 U CN 201420844511U CN 204356842 U CN204356842 U CN 204356842U
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China
Prior art keywords
storage case
elevated storage
tunnel fire
water
fire protection
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CN201420844511.7U
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Chinese (zh)
Inventor
刘筑
龙万学
朱承前
余红
张红旗
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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Abstract

The utility model discloses one, based on the tunnel fire protection system of elevated storage case, it is characterized in that, comprise water source, sand sediment trap, low pool, pump house, elevated storage case, water tank base and tunnel fire plug; Elevated storage case is set in mountain shape strategically located and difficult of access area, solves the problem cannot building reservoir, for tunnel fire-fighting provides with water; By arranging low pool, pump house and elevated storage case, automatically hydraulic pressure can be provided to tunnel fire plug.

Description

A kind of tunnel fire protection system based on elevated storage case
Technical field
The utility model relates to tunnel technical field of fire control, particularly relates to a kind of tunnel fire protection system based on elevated storage case.
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 a kind of tunnel fire protection system based on elevated storage case, by arranging elevated storage case in the strategically located and difficult of access area of mountain shape, solving the problem cannot building reservoir, using water for tunnel fire-fighting provides.
Based on a tunnel fire protection system for elevated storage case, comprise water source, sand sediment trap, low pool, pump house, elevated storage case, water tank base and tunnel fire plug;
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 elevated storage case by described pump house; Described elevated storage case is fixed on water tank base; Described elevated storage case is connected in described tunnel fire plug by least two pipelines; The height of described elevated storage case is arranged according to the hydraulic pressure of tunnel fire plug;
Described water tank base comprises levels up plate and bracing frame, described in level up plate and comprise four pieces of identical triangle scabs; Described triangle scab is isosceles right triangle; The center of each triangle scab is provided with cement spout hole; The right-angle side docking of four pieces of identical triangle scabs is fixed into a square plate for leveling up plate; Support frame as described above is rectangle support body, its inner fenestral fabric be welded by support bar that distributes, and described fenestral fabric is more than one deck; Support frame as described above is fixed by screws in hole that ground is dug out in advance, and level up plate and be fixed on bracing frame, described elevated storage case is fixed on to be leveled up on plate, and the position that described water tank base is built is higher than described low pool.
Preferably, described water source is: storing intermountain water by building overflow dam in the gutter between mountain valley, flowing to described sand sediment trap; Described elevated storage case adopts stainless steel material processing; The pool wall top of described low pool is provided with spout hole; Be provided with overflow well near described low pool, store the intermountain water flowed out from the spout hole of low pool; The gradient that water inlet pipe between described elevated storage case and tunnel fire plug rises on fire plug direction, tunnel, the described gradient is for being greater than or equal to 5/1000ths; Described elevated storage case and the water inlet pipe be connected between tunnel fire plug arrange horn mouth down in elevated storage case one end, described horn mouth is lower than the lowest water level at least 0.5 meter of elevated storage case; Described horn mouth and the clear distance at the bottom of elevated storage case pond are more than or equal to 0.8 times of water inlet pipe caliber, and the clear distance of described flared rim and elevated storage case 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; Described elevated storage case wraps up foam or antifreeze cotton-wool with outside the water inlet pipe be connected between tunnel fire plug; Described elevated storage case be coated with the water inlet pipe be connected between tunnel fire plug eliminate rust, the coating of oil removing or acid-proof.
The utility model has following beneficial effect:
Tunnel fire protection system of the present utility model, arranges elevated storage case in the strategically located and difficult of access area of mountain shape, solves the problem cannot building reservoir, for tunnel fire-fighting provides with water; By arranging low pool, pump house and elevated storage case, automatically hydraulic pressure can be provided to tunnel fire plug.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of tunnel fire protection system of the present utility model.
Fig. 2 is the structural representation of overflow dam in the utility model.
Fig. 3 is the scheme of installation of elevated storage case of the present utility model and water tank base.
Fig. 4 of the present utility modelly levels up the composition that hardens.
Wherein, 1-gutter, 2-overflow dam, 3-grid, 4-bleed off pipe, 5-elevated storage case, 6-bracing frame, 7-level up plate, 21-turning standing block hole, 22-radius bolt hole, 23-cement spout hole, 24-rhone.
Detailed description of the invention
To develop simultaneously embodiment below in conjunction with accompanying drawing, the utility model is described in detail.
Based on a tunnel fire protection system for elevated storage case, comprise water source, sand sediment trap, low pool, pump house, elevated storage case, water tank base and tunnel fire plug;
Described sand sediment trap and water source UNICOM, 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 elevated storage case by described pump house; Described elevated storage case is fixed on water tank base; Described elevated storage case is connected in described tunnel fire plug by least two pipelines; The height of described elevated storage case is arranged according to the hydraulic pressure of tunnel fire plug.
Build the problem of head-tank difficulty for solving the strategically located and difficult of access mountain area of physical features, the utility model elevated storage case replaces head-tank.Prior processing stainless steel water storage box, is arranged on eminence by water tank by water tank base.Water tank base comprises levels up plate and bracing frame, described in level up plate and comprise four pieces of identical triangle scabs; Described triangle scab is isosceles right triangle; The center of each triangle scab is provided with cement spout hole; The right-angle side docking of four pieces of identical triangle scabs is fixed into a square plate for leveling up plate; Support frame as described above is rectangle support body, its inner fenestral fabric be welded by support bar that distributes, and described fenestral fabric is more than one deck; Support frame as described above is fixed by screws in hole that ground is dug out in advance, and level up plate and be fixed on bracing frame, described elevated storage case is fixed on to be leveled up on plate, and the position that described water tank base is built is higher than described low pool.
Four pieces of identical triangle scab splicing fixed forms are turning locator card and bolt, and three angles place of each triangle scab is provided with turning standing block hole, and three limits are provided with radius bolt hole; Turning standing block hole is for installing turning locator card, and radius bolt hole is used for erection bolt; The shape of described radius bolt hole is horse-hof shape or circle.
The intermountain water flowed down from hillside is collected in gutter, and intermountain water flows along gutter, after flowing to overflow dam, blocked by the overflow dam laterally built, because the height of overflow dam is lower than gutter, after the height of overflow dam stores full water gradually, water covers from overflow dam, continues to trickle along gutter.The retaining of overflow dam flows to sand sediment trap by bleed off pipe, silt in intermountain 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 elevated storage case again, because the position of elevated storage case is higher than the position of tunnel fire plug, the automatic mineralization pressure of the water in fire plug.The height of elevated storage case 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.
For preventing the stone in intermountain water and branch leaf etc. from flowing into overflow dam, causing overflow dam water retention capacity to reduce or blocking bleed off pipe, the grid being used for filtrating impurity in water is set in the gutter of the inflow direction in overflow dam front.
For ensureing that the water yield is sufficient, the capacity of described low pool and elevated storage case is suitable, after the water of elevated storage case is used up, low pool can to the moisturizing of elevated storage case once, and what can ensure to provide two elevated storage case 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 elevated storage case 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 elevated storage case can flow in water inlet pipe automatically, the water inlet pipe be connected between elevated storage case with tunnel fire plug arranges horn mouth down in elevated storage case one end, and described horn mouth is lower than the lowest water level at least 0.5 meter of elevated storage case.Horn mouth and the clear distance at the bottom of elevated storage case pond are more than or equal to 0.8 times of water inlet pipe caliber, and the clear distance of described flared rim and elevated storage case 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 elevated storage case with tunnel fire plug.
Water inlet pipe should take anti-corrosion measure, the water inlet pipe be connected between elevated storage case 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.
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. based on a tunnel fire protection system for elevated storage case, it is characterized in that, comprise water source, sand sediment trap, low pool, pump house, elevated storage case, water tank base and tunnel fire plug;
Described sand sediment trap and water source UNICOM, 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 elevated storage case by described pump house; Described elevated storage case is fixed on water tank base; Described elevated storage case is connected in described tunnel fire plug by least two pipelines; The height of described elevated storage case is arranged according to the hydraulic pressure of tunnel fire plug;
Described water tank base comprises levels up plate and bracing frame, described in level up plate and comprise four pieces of identical triangle scabs; Described triangle scab is isosceles right triangle; The center of each triangle scab is provided with cement spout hole; The right-angle side docking of four pieces of identical triangle scabs is fixed into a square plate for leveling up plate; Support frame as described above is rectangle support body, its inner fenestral fabric be welded by support bar that distributes, and described fenestral fabric is more than one deck; Support frame as described above is fixed by screws in hole that ground is dug out in advance, and level up plate and be fixed on bracing frame, described elevated storage case is fixed on to be leveled up on plate, and the position that described water tank base is built is higher than described low pool.
2. a kind of tunnel fire protection system based on elevated storage case as claimed in claim 1, is characterized in that, described elevated storage case adopts stainless steel material processing.
3. a kind of tunnel fire protection system based on elevated storage case as claimed in claim 1, it is characterized in that, the pool wall top of described low pool is provided with spout hole.
4. a kind of tunnel fire protection system based on elevated storage case as claimed in claim 3, is characterized in that, be provided with overflow well near described low pool, store the intermountain water flowed out from the spout hole of low pool.
5. a kind of tunnel fire protection system based on elevated storage case as claimed in claim 1, it is characterized in that, the gradient that water inlet pipe between described elevated storage case 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 of tunnel fire protection system based on elevated storage case as claimed in claim 1, it is characterized in that, described elevated storage case and the water inlet pipe be connected between tunnel fire plug arrange horn mouth down in elevated storage case one end, described horn mouth is lower than the lowest water level at least 0.5 meter of elevated storage case.
7. a kind of tunnel fire protection system based on elevated storage case as claimed in claim 6, it is characterized in that, described horn mouth and the clear distance at the bottom of elevated storage case pond are more than or equal to 0.8 times of water inlet pipe caliber, and the clear distance of described flared rim and elevated storage case 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 of tunnel fire protection system based on elevated storage case as claimed in claim 7, it is characterized in that, described elevated storage case wraps up foam or antifreeze cotton-wool with outside the water inlet pipe be connected between tunnel fire plug.
9. a kind of tunnel fire protection system based on elevated storage case as claimed in claim 1, is characterized in that, described elevated storage case be coated with the water inlet pipe be connected between tunnel fire plug eliminate rust, the coating of oil removing or acid-proof.
10. a kind of tunnel fire protection system based on elevated storage case as claimed in claim 1, it is characterized in that, described water source is: storing intermountain water by building overflow dam in the gutter between mountain valley, flowing to described sand sediment trap.
CN201420844511.7U 2014-12-25 2014-12-25 A kind of tunnel fire protection system based on elevated storage case Active CN204356842U (en)

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Application Number Priority Date Filing Date Title
CN201420844511.7U CN204356842U (en) 2014-12-25 2014-12-25 A kind of tunnel fire protection system based on elevated storage case

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104563214A (en) * 2014-12-25 2015-04-29 贵州省交通规划勘察设计研究院股份有限公司 Tunnel firefighting system based on elevated water tank

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104563214A (en) * 2014-12-25 2015-04-29 贵州省交通规划勘察设计研究院股份有限公司 Tunnel firefighting system based on elevated water tank

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