CN105442767A - Siphon roof drainage system - Google Patents
Siphon roof drainage system Download PDFInfo
- Publication number
- CN105442767A CN105442767A CN201510967855.6A CN201510967855A CN105442767A CN 105442767 A CN105442767 A CN 105442767A CN 201510967855 A CN201510967855 A CN 201510967855A CN 105442767 A CN105442767 A CN 105442767A
- Authority
- CN
- China
- Prior art keywords
- buffer board
- drainage system
- standpipe
- rainwater
- roof
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000000725 suspension Substances 0.000 abstract 3
- 230000005484 gravity Effects 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000003828 downregulation Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- IXSZQYVWNJNRAL-UHFFFAOYSA-N etoxazole Chemical compound CCOC1=CC(C(C)(C)C)=CC=C1C1N=C(C=2C(=CC=CC=2F)F)OC1 IXSZQYVWNJNRAL-UHFFFAOYSA-N 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
- E04D13/0404—Drainage on the roof surface
- E04D13/0409—Drainage outlets, e.g. gullies
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
- E04D13/08—Down pipes; Special clamping means therefor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
- E04D13/0404—Drainage on the roof surface
- E04D13/0409—Drainage outlets, e.g. gullies
- E04D2013/0427—Drainage outlets, e.g. gullies with means for controlling the flow in the outlet
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
- E04D13/08—Down pipes; Special clamping means therefor
- E04D2013/0806—Details of lower end of down pipes, e.g. connection to water disposal system
- E04D2013/0813—Water diverters
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Sink And Installation For Waste Water (AREA)
Abstract
The invention discloses a siphon roof drainage system which comprises multiple rainwater hoppers, a suspension pipe and a vertical pipe. The multiple rainwater hoppers are communicated with the horizontal suspension pipe through connecting pipes respectively, and a water outlet end of the suspension pipe is connected with a water inlet end of the vertical pipe; a first buffer plate, a second buffer plate and a third buffer plate which are each of a circular ring structure are arranged on the inner wall of the middle lower part of the vertical pipe in sequence from top to bottom, and the inner diameters of the circular rings of the first buffer plate, the second buffer plate and the third buffer plate are sequentially reduced; a water outlet of the vertical pipe is of a horn-shaped structure. The siphon roof drainage system can reduce the excess pressure and flow velocity of the water outlet of the vertical pipe in the system, a higher impact caused by rainwater with the larger flow velocity to a building foundation is prevented, and the situation that due to the fact that air enters the rainwater hoppers, the drainage efficiency of the system is affected is prevented.
Description
Technical field
The present invention relates to a kind of siphonic drainage system, the siphonic drainage system on especially a kind of roofing.
Background technology
On present roofing, the drainage pattern of rainwater is mainly divided into two kinds: one is Conventional gravity formula storm-water system, its principle is the gradient utilizing roof structure, that in the roof drain that naturally flows on roofing of rainwater, the effect that then rain water and air is mixed together by gravity is descended along standpipe; This mode drainage efficiency is low, needs number of tubes many, and the caliber of pipeline is comparatively large, and needs the gradient of 1%-3%, installs also complicated.Another kind is exactly siphon type rainwater discharging system, at the initial stage of rainfall, when on roofing, the rainwater degree of depth is more shallow, rainwater still utilizes the principle of gravity to carry out draining, after amount of precipitation strengthens, when the water level on roofing reaches certain height, roof drain can cut off air automatically automatically, thus generation siphon, drainage system just changes efficient exhaust system into, and suction rainwater discharges downwards.Although the efficiency of siphonic drainage system force of gravity formula drainage system wants high a lot, but siphon drainge system also comes with some shortcomings now: the height of the building had is too high, the potential energy of the position the closer to ground in standpipe is larger, cause on the one hand the overbottom pressure of stand-pipe output and flow velocity bigger than normal, larger to the impulse ratio of building foundation, drainage system negative pressure can be caused to exceed standard on the other hand, not meet the design discipline of siphonic drainage system; May make shorten the application life of standpipe so for a long time, and in a lot of highly very high and baroque building, the difficulty of replacing standpipe is very large; Two, the air being still entrained with fraction in rainwater enters into roof drain, first the efficiency of draining is reduction of, and the pressure of negative pressuren zone can be made in the negative pressuren zone in air arrival system to increase, cause the pumping function of negative pressuren zone to rainwater bad, affect the drainage efficiency of whole system; Three, the silt in rainwater can flow in the hanging pipe of level by roof drain, and for a long time, silt can deposit in hanging pipe, hanging pipe is blocked, once there is above situation, the very difficult cleaning of the silt in hanging pipe, changes hanging pipe also very difficult.
Summary of the invention
For the problems referred to above of the prior art, the present invention proposes a kind of Siphoning type roof drainage system, the overbottom pressure and the flow velocity that solve system neutral tube delivery port are bigger than normal, can cause larger impact, also affect the application life of standpipe to building lot; Air can enter into roof drain, the technical problem of the drainage efficiency of influential system.
Technical scheme of the present invention is: Siphoning type roof drainage system, comprises several roof drains, hanging pipe and standpipe, and several roof drains described are communicated with the hanging pipe of level respectively by adapter, and the water side of described hanging pipe is connected with the water inlet end of standpipe; The inwall of the middle and lower part of described standpipe is provided with from top to bottom successively the first buffer board of cirque structure, the second buffer board, the 3rd buffer board, the internal radius of described first buffer board, the second buffer board, the 3rd buffer board reduces successively; The delivery port of described standpipe is horn-like structure.
Further, described roof drain end face is provided with the radome fairing preventing air from entering roof drain.
Further, baffle plate is provided with immediately below described delivery port.
Further, two ends, described baffle plate left and right are fixedly connected with the two ends, left and right of delivery port respectively by two pull bars.
Further, immediately below described roof drain, riffler is installed.
Compared with prior art, the invention has the beneficial effects as follows:
1. the present invention is provided with the first buffer board, the second buffer board, the 3rd buffer board successively by the middle and lower part of the standpipe in drainage system, the buffer board internal diameter of three circular ring structures reduces successively, can the pressure of minimizing stand-pipe output end progressively and the flow velocity of rainwater, the middle and lower part of standpipe can not be made to be in the environment of larger pressure for a long time, and can effectively prevent current faster from causing very large impact to building lot, prevent from impacting for a long time, can impact the steadiness of building lot, long-term hidden danger is existed to building; And the negative regulation of negative pressuren zone can be kept, there will not be the situation that negative pressure exceeds standard.
2. the port of export of standpipe of the present invention is arranged in horn-like, and effectively reduce the flow velocity of rainwater, immediately below the port of export, be connected with baffle plate, baffle plate makes rainwater can not cause direct impact to building lot, carries out dual protection to building lot.
3. the top of roof drain of the present invention is provided with the radome fairing preventing eddy current, prevent air from together flowing in roof drain along with rainwater exactly, reduce the drainage efficiency of system, and prevent air from flowing in negative pressuren zone, air can increase the air pressure of negative pressuren zone, make the suction effect of negative pressuren zone to the rainwater on roofing bad, prevent the drainage efficiency affecting whole system.
4. the below at roof drain in the present invention is provided with riffler, prevents the silt in rainwater from being flow in hanging pipe by roof drain and adapter and precipitates, effectively prevent hanging pipe to be blocked by silt, increases the service time of whole system.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of roof drain in the present invention.
Fig. 3 is the sectional drawing that neutral tube of the present invention arranges the first buffer board, the second buffer board, the 3rd buffer board place.
Detailed description of the invention
Below in conjunction with drawings and Examples, the technical scheme in the present invention is further illustrated.
With reference to accompanying drawing 1 and 3, the present invention includes: several roof drains 1, hanging pipe 2 and standpipe 3, roof drain 1 is arranged in drain hole reserved on building roof, several roof drains 1 are communicated with the hanging pipe 2 of level respectively by adapter 4, hanging pipe 2 is for collecting the whole rainwater flowed down in all roof drains 1, the water side of hanging pipe 2 is connected with the water inlet end of standpipe 3, rainwater in hanging pipe 2 is vertical again to be flow in standpipe 3, make to form negative pressuren zone near hanging pipe 2 and standpipe 3 junction, rainwater on roofing is aspirated, achieves efficient draining, the inwall of the middle and lower part of standpipe 3 is provided with from top to bottom successively the first buffer board 5 of cirque structure, second buffer board 6, 3rd buffer board 7, first buffer board 5, second buffer board 6, the internal radius of the 3rd buffer board 7 reduces successively, the size of the position of three buffer board settings and the internal diameter of three buffer boards is through strict calculating, just make the first buffer board 5, second buffer board 6, the rainwater flowed down fast in 3rd buffer board 7 pairs standpipe 3 carries out deceleration progressively and step-down, and the negative pressure of negative pressuren zone can be kept to keep stable, both the problem that negative pressure exceeds standard can not have been caused, also negative pressure can not be caused not enough bad to the suction effect of rainwater, the delivery port of standpipe 3 is horn-like structure, and outlet can cushion the flow velocity of rainwater further in bell mouth shape, prevents rainwater from causing larger impact to building lot, prevents from for a long time causing a hidden trouble to building.
With reference to accompanying drawing 2, roof drain 1 end face is provided with the radome fairing 8 preventing air from entering roof drain 1, and radome fairing 8 can effectively prevent air from entering into roof drain 1, prevent air from entering into drainage efficiency that drainage system affects whole system.
Be provided with baffle plate 9 immediately below delivery port, baffle plate 9 makes rainwater can not cause direct impact to building lot, protects building lot.
Baffle plate about 9 two ends are fixedly connected with the two ends, left and right of delivery port respectively by two pull bars 10.
Riffler 11 is installed immediately below roof drain 1, riffler 11 is for being precipitated by the silt in rainwater, prevent silt from entering for a long time in roof drain, silt can precipitate in the hanging pipe 2 of level, is finally blocked by hanging pipe 2, the very difficult cleaning of the foreign material in hanging pipe 2, and it is also very difficult to change hanging pipe 2, riffler 11 can effectively prevent hanging pipe 2 blocked, decreases the cleaning cycle of whole drainage system, adds the application life of whole drainage system.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. a Siphoning type roof drainage system, comprises several roof drains, hanging pipe and standpipe, and several roof drains described are communicated with the hanging pipe of level respectively by adapter, and the water side of described hanging pipe is connected with the water inlet end of standpipe; It is characterized in that: the inwall of the middle and lower part of described standpipe is provided with from top to bottom successively the first buffer board of cirque structure, the second buffer board, the 3rd buffer board, the internal radius of described first buffer board, the second buffer board, the 3rd buffer board reduces successively; The delivery port of described standpipe is horn-like structure.
2. Siphoning type roof drainage system as claimed in claim 1, is characterized in that: described roof drain end face is provided with the radome fairing preventing air from entering roof drain.
3. Siphoning type roof drainage system as claimed in claim 1, is characterized in that: be provided with baffle plate immediately below described delivery port.
4. Siphoning type roof drainage system as claimed in claim 3, is characterized in that: the two ends, left and right of described baffle plate are fixedly connected with the two ends, left and right of delivery port respectively by two pull bars.
5. Siphoning type roof drainage system as claimed in claim 1, is characterized in that: be provided with riffler immediately below described roof drain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510967855.6A CN105442767A (en) | 2015-12-18 | 2015-12-18 | Siphon roof drainage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510967855.6A CN105442767A (en) | 2015-12-18 | 2015-12-18 | Siphon roof drainage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105442767A true CN105442767A (en) | 2016-03-30 |
Family
ID=55553358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510967855.6A Pending CN105442767A (en) | 2015-12-18 | 2015-12-18 | Siphon roof drainage system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105442767A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106366488A (en) * | 2016-08-26 | 2017-02-01 | 夏波 | Building siphon drainage system |
| CN106988490A (en) * | 2017-06-07 | 2017-07-28 | 华东建筑设计研究院有限公司 | A kind of dewatering in siphon type standpipe |
| CN108071198A (en) * | 2017-12-12 | 2018-05-25 | 铜陵有色金属集团铜冠建筑安装股份有限公司 | A kind of steel construction storehouse siphon drainge system |
| CN114753571A (en) * | 2022-05-09 | 2022-07-15 | 江苏凯伦建材股份有限公司 | A prevent drainage integration system and hydrocone type rainwater fill for planting roofing |
-
2015
- 2015-12-18 CN CN201510967855.6A patent/CN105442767A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106366488A (en) * | 2016-08-26 | 2017-02-01 | 夏波 | Building siphon drainage system |
| CN106988490A (en) * | 2017-06-07 | 2017-07-28 | 华东建筑设计研究院有限公司 | A kind of dewatering in siphon type standpipe |
| CN108071198A (en) * | 2017-12-12 | 2018-05-25 | 铜陵有色金属集团铜冠建筑安装股份有限公司 | A kind of steel construction storehouse siphon drainge system |
| CN108071198B (en) * | 2017-12-12 | 2024-03-29 | 铜陵有色金属集团铜冠建筑安装股份有限公司 | Siphon drainage system of steel structure warehouse |
| CN114753571A (en) * | 2022-05-09 | 2022-07-15 | 江苏凯伦建材股份有限公司 | A prevent drainage integration system and hydrocone type rainwater fill for planting roofing |
| CN114753571B (en) * | 2022-05-09 | 2023-11-28 | 江苏凯伦建材股份有限公司 | Water-proof and drainage integrated system for planted roof and siphon type rainwater hopper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160330 |
|
| WD01 | Invention patent application deemed withdrawn after publication |