CN205062918U - Fire water tank overflow recovery system - Google Patents
Fire water tank overflow recovery system Download PDFInfo
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- CN205062918U CN205062918U CN201520823182.2U CN201520823182U CN205062918U CN 205062918 U CN205062918 U CN 205062918U CN 201520823182 U CN201520823182 U CN 201520823182U CN 205062918 U CN205062918 U CN 205062918U
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Abstract
The utility model discloses a fire water tank overflow recovery system, including overflow water -collection device, pressure -bearing pipe and overflow energy absorber, overflow water -collection device is located the top and is connected with fire water tank through the overflow pipe and is used for collecing the overflow water, and overflow energy absorber is connected with the supply tank, and the pressure -bearing is managed and is communicate overflow water -collection device and overflow energy absorber and carry the overflow water to the supply tank in. The utility model discloses a supply tank is retrieved with the overflow water to no change of gradient, no consumption of power's mode, has realized the cyclic utilization of water resource, has also avoided the loss of fire control store water.
Description
Technical field
The utility model relates to building plumbing system design field, is specially a kind of fire water box overflow recovery system.
Background technology
The fire water box relevant with building comprises attic tank, transfer water tank and break pressure cistern.Generally, attic tank is located at the highest point of building; Transfer water tank and break pressure cistern are located at the intermediate floor of super highrise building, as refuge story or mechanical floor.
All there is the possibility of overflow in water tank, therefore needs to arrange bleed off pipe.The flow of bleed off pipe equals the flow of inlet water of water tank, for attic tank, and water inlet pipe caliber less (DN32), the overflow water yield is also less; For transfer water tank and break pressure cistern, the overflow water yield is indoor fire-fighting water supply volume.Indoor fire-fighting water supply volume is qualitative relevant with building, and for super highrise building, constant interval is roughly 50 ~ 80L/S, and according to Conventional gravity drainage mode, the caliber of bleed off pipe is very large.
In " fire water supply and hydrant system technical specification ", 6.2.3 article and 6.2.5 article requires that the overflow water of transfer water tank and break pressure cistern should be back to fire cistern.But when overflow caliber is comparatively large, and when meeting the gravity drainage gradient, be back to fire cistern and be very difficult to realize, specification wording used is " should reflux " is also the difficulty considering enforcement.If but overflow water does not reclaim direct discharge, not only cause water resource to waste, decrease fire-fighting pondage, remote-effects fire fighting supply safety.Therefore, be necessary a kind of recovery system of design studies, realize recycling of overflow water.
Utility model content
The purpose of this utility model is to provide a kind of fire water box overflow recovery system, by the mode without slope change, non-power consumption, realizes the recovery of fire-fighting overflow water.
For achieving the above object, the utility model is by the following technical solutions:
Fire water box overflow recovery system, one end is connected with the fire water box of building top, one end is connected with the feed tank (i.e. fire cistern) of building below, it comprises overflow captation, pressure-bearing pipe and overflow energy dissipator, described overflow captation is positioned at top and is connected for collecting overflow water by bleed off pipe with fire water box, described overflow energy dissipator is connected with feed tank, and described pressure-bearing pipe is communicated with overflow captation and overflow water is delivered in feed tank by overflow energy dissipator.
Wherein, described overflow captation comprises catch basin, overflow weir and vortex-proof device, and described overflow weir is located at below catch basin internal overflow pipe, and described vortex-proof device is located at the bottom of catch basin.In catch basin, overflow weir is installed, climbs over overflow weir after on the left of bleed off pipe draining to catch basin and flow to right side, can water distribution uniformity, prevent from overflow water from falling causing the water level fluctuation of bypass channel, prevent from causing interference to vortex-proof device.
In a kind of embodiment, overflow energy dissipator is energy dissipating cylinder, and described energy dissipating cylinder is connected with pressure-bearing pipe, and described energy dissipating cylinder bottom is placed in below feed tank water level.In another embodiment, generally that feed tank is when being located at outdoor, overflow energy dissipator comprises the energy dissipating discharge pipe, concrete well and the outlet pipe that connect successively, described energy dissipating discharge pipe is connected with pressure-bearing pipe, the caliber of described energy dissipating discharge pipe is greater than pressure-bearing pipe caliber, and the mouth of pipe is positioned at above feed tank water level.Arrange overflow energy dissipator to be positioned at below and to be connected with feed tank, utilized head loses the potential energy of the counteracting discrepancy in elevation, and End flow is submerge discharging flow, can reduce water level fluctuation and noise.
Further, the secondary suspension also comprised, it is peripheral that it is located at pressure-bearing pipe, and described pressure-bearing pipe Suspending fixation is on pressure-bearing pipe.Vibration effect when secondary suspension can reduce pipeline water delivery is set, carries overflow water with realizing steady and smooth.
After adopting technique scheme, the utility model has following effect: the utility model is applicable to all buildings arranging fire water box, and the power resources of this system are the gravitional force between fire water box and feed tank, without the need to external energy.Guaranteeing under the prerequisite that Overflow drainage ability is constant, reducing the caliber of bleed off pipe as far as possible, and by the mode without slope change, non-power consumption, overflow water is being recovered in feed tank.Native system achieves recycling of water resource, too increases fire-fighting pondage, ensures fire fighting supply safety.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment one.
Fig. 2 is the structural representation of the utility model embodiment two.
Primary clustering symbol description:
1: feed tank, 11: water supply float valve, 2: supply-water pump, 3: feed pipe, 4: fire water box, 41: water inlet float valve, 42: bleed off pipe, 51: catch basin, 52: overflow weir, 53: vortex-proof device, 6: pressure-bearing pipe, 7: secondary suspension, 8: energy dissipating cylinder, 91: energy dissipating discharge pipe, 92: concrete well, 93: outlet pipe.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.
As Fig. 1 shows, structural fire protection water supply system, generally comprises the feed tank 1(and fire cistern that connect successively), supply-water pump 2, feed pipe 3, fire water box 4.Feed tank 1 water surface is provided with water supply float valve 11, fire water box 4 water surface is provided with into water float valve 41, fire water box side is provided with bleed off pipe 42, fire water box 4 is positioned at refuge story or mechanical floor, feed tank 1 is positioned at building bottom, when there is fire-fighting accident, the water of feed tank 1 is delivered in fire water box 4 by feed pipe 3.
The utility model discloses a kind of fire water box overflow recovery system, this system connects feed tank 1 and fire water box 4, to reach the effect that fire water box overflow water reclaims, realizes recycling of water.Two embodiments describe in detail to the utility model below.
Embodiment one
As shown in Figure 1, fire water box overflow recovery system comprises overflow captation, overflow energy dissipator, pressure-bearing pipe 6, secondary suspension 7.
The overflow energy dissipator of the present embodiment is energy dissipating cylinder 8.
Overflow captation comprises catch basin 51, overflow weir 52 and vortex-proof device 53, the height of catch basin 51 is not less than 1 meter, overflow weir 52 is located at the below of catch basin 51 internal overflow pipe 42, and need meet indirect drainage requirement with bleed off pipe 42, vortex-proof device 53 is located at the bottom of catch basin 51.Energy dissipating cylinder 8 is connected with pressure-bearing pipe 6, and the bottom of energy dissipating cylinder 8 is placed in below feed tank 1 water level, and pressure-bearing pipe 6 is communicated with overflow captation and overflow water is delivered in feed tank 1 by energy dissipating cylinder 8.It is peripheral that secondary suspension 7 is located at pressure-bearing pipe 6, and pressure-bearing pipe 6 Suspending fixation is on secondary suspension 7.
Vortex-proof device 53 material can adopt cast iron, aluminium alloys, stainless steel, high density polyethylene (HDPE) (HDPE) and polypropylene (PP) etc.In use can varying in size according to the overflow water yield and catch basin 51, arrange one or more as required.Pressure-bearing pipe 6 need adopt can the material of anti-negative pressure, and recommend to select stainless steel or high density polyethylene (HDPE), the horizontal segment of pressure-bearing pipe 6 can lay without the gradient, but must not adverse slope, and should not pass through shrinkage joint or settlement joint, when by condition restriction, should take corresponding technical measures.
Principle of the present utility model is: when fire water box 4 float valve 41 of intaking causes the water level of fire water box 4 to rise because of factors such as faults always, now overflow water drains in catch basin 51 by overflow weir 52 by bleed off pipe 42, and overflow water is recycled in feed tank 1 by vortex-proof device 53 and pressure-bearing pipe 6.The utility model utilizes the gravitional force between fire water box 4 and feed tank 1, to realize under non-power consumption prerequisite, reaches fire water box overflow water recovering effect.
Embodiment two
As shown in Figure 2, the present embodiment is generally used for feed tank 1 and is located at outdoor situation, the overflow energy dissipator of fire water box overflow recovery system comprises the energy dissipating discharge pipe 91, concrete well 92 and the outlet pipe 93 that connect successively, energy dissipating discharge pipe 91 is connected with pressure-bearing pipe 6, the caliber of energy dissipating discharge pipe 91 is greater than pressure-bearing pipe 6 caliber, and outlet pipe 93 mouth of pipe is positioned at above feed tank 1 water level.The caliber that the present embodiment arranges energy dissipating discharge pipe 91 is greater than pressure-bearing pipe 6 caliber, can water velocity be reduced, adopt small-sized reinforced concrete structure to be used for resisting feed water flow and impact, then utilize outlet pipe 93 to access pond, reduce water flow fluctuation and noise, to reduce End flow head.
Other structure of the present embodiment and principle identical with embodiment one.
The utility model also can collect fire water box unwatering, because feed tank is full water state during emptying, so after entering feed tank, secondary collects feed tank overflow water, also needs to meet indirect drainage requirement when secondary is collected.The utility model structure is simple, easy for installation, is suitable for promoting in the building arranging fire water box.
The above, be only the utility model preferably detailed description of the invention, is anyly familiar with those skilled in the art in the technical scope that the utility model discloses, the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.
Claims (5)
1. fire water box overflow recovery system, one end is connected with the bleed off pipe of the fire water box of building top, one end is connected with the feed tank of building below, it is characterized in that: comprise overflow captation, pressure-bearing pipe and overflow energy dissipator, described overflow captation is positioned at top and is connected for collecting overflow water by bleed off pipe with fire water box, described overflow energy dissipator is connected with feed tank, and described pressure-bearing pipe is communicated with overflow captation and overflow water is delivered in feed tank by overflow energy dissipator.
2. fire water box overflow recovery system as claimed in claim 1, it is characterized in that: described overflow captation comprises catch basin, overflow weir and vortex-proof device, described overflow weir is located at below catch basin internal overflow pipe, and described vortex-proof device is located at the bottom of catch basin.
3. fire water box overflow recovery system as claimed in claim 1 or 2, it is characterized in that: described overflow energy dissipator is energy dissipating cylinder, described energy dissipating cylinder is connected with pressure-bearing pipe, and described energy dissipating cylinder bottom is placed in below feed tank water level.
4. fire water box overflow recovery system as claimed in claim 1 or 2, it is characterized in that: described overflow energy dissipator comprises the energy dissipating discharge pipe, concrete well and the outlet pipe that connect successively, described energy dissipating discharge pipe is connected with pressure-bearing pipe, the caliber of described energy dissipating discharge pipe is greater than pressure-bearing pipe caliber, and the described outlet pipe mouth of pipe is positioned at above feed tank water level.
5. fire water box overflow recovery system as claimed in claim 1, is characterized in that: the secondary suspension also comprised, and it is peripheral that it is located at pressure-bearing pipe, and described pressure-bearing pipe is fixed on secondary suspension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520823182.2U CN205062918U (en) | 2015-10-23 | 2015-10-23 | Fire water tank overflow recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520823182.2U CN205062918U (en) | 2015-10-23 | 2015-10-23 | Fire water tank overflow recovery system |
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| Publication Number | Publication Date |
|---|---|
| CN205062918U true CN205062918U (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520823182.2U Active CN205062918U (en) | 2015-10-23 | 2015-10-23 | Fire water tank overflow recovery system |
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| CN (1) | CN205062918U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107476394A (en) * | 2017-08-04 | 2017-12-15 | 深圳市零电子科技有限公司 | A kind of naval vessel rubber water tank and its production method |
| CN113309182A (en) * | 2021-06-04 | 2021-08-27 | 中国农业大学 | Blade energy dissipation type stable liquid level adjustable water tank for pipeline transient flow |
-
2015
- 2015-10-23 CN CN201520823182.2U patent/CN205062918U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107476394A (en) * | 2017-08-04 | 2017-12-15 | 深圳市零电子科技有限公司 | A kind of naval vessel rubber water tank and its production method |
| CN113309182A (en) * | 2021-06-04 | 2021-08-27 | 中国农业大学 | Blade energy dissipation type stable liquid level adjustable water tank for pipeline transient flow |
| CN113309182B (en) * | 2021-06-04 | 2022-06-28 | 中国农业大学 | Blade energy dissipation type stable liquid level adjustable water tank for pipeline transient flow |
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