EP2337902B1 - Avaloir de chaussée (bouche d'égout) et son procédé de fonctionnement - Google Patents

Avaloir de chaussée (bouche d'égout) et son procédé de fonctionnement Download PDF

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Publication number
EP2337902B1
EP2337902B1 EP08874983.3A EP08874983A EP2337902B1 EP 2337902 B1 EP2337902 B1 EP 2337902B1 EP 08874983 A EP08874983 A EP 08874983A EP 2337902 B1 EP2337902 B1 EP 2337902B1
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EP
European Patent Office
Prior art keywords
chamber
outlet
storm drain
inlet
opening
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.)
Not-in-force
Application number
EP08874983.3A
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German (de)
English (en)
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EP2337902A1 (fr
Inventor
Bernd Schladitz
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Individual
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Individual
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Publication of EP2337902A1 publication Critical patent/EP2337902A1/fr
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Publication of EP2337902B1 publication Critical patent/EP2337902B1/fr
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
    • E03F5/16—Devices for separating oil, water or grease from sewage in drains leading to the main sewer
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • E03F5/0401—Gullies for use in roads or pavements

Definitions

  • the invention relates to a street inlet (Gully), and a method for operating the same, with an upper inlet chamber and a separate bottom through a separating bottom outlet chamber, wherein the outlet opening of the inlet chamber through a pipe or a siphon is significantly above the inlet chamber floor, and a with a floating body closable outlet conduit in the outlet chamber according to the preamble of claims 1 and 15.
  • a street inlet with an upper inlet chamber and a lower outlet chamber with float valve known.
  • a ventilation line is provided there which, at the top of the inlet, brings air behind the valve seat on the float valve.
  • a bypass tube is known, which opens laterally from the upper inlet chamber and also opens laterally into the drain behind the float valve. This bypass is closed for odor sealing with a lid that is only opened to temporarily insert an inspection camera from side to side into the drain line.
  • From the EP 0 904 471 B1 is a street inlet known in which between the upper inlet chamber and lower outlet chamber as in the DE 36 20 182 A1 a tube extends, which projects far into the upper inlet chamber, so that above floating light liquid can drain first, and thus a first separation between light liquid and water is caused in relation to the sequence of the expiration process. Furthermore, the first particles are already settling above. But unlike the first mentioned prior art describes the EP 0 904 471 B1 as an essential novelty that the tube also extends far into the outlet chamber down, and that until the tube opening ends below the outlet of the outlet chamber.
  • the invention is therefore based on the object, a different solution than in the EP 0 904 471 to propose, in which on the one hand a turbulent flow of the liquid level is prevented in the outlet chamber, so that a physical separation of heavy metals and light liquids in the outlet chamber can be done in a considerably calmer aerodynamically room. Furthermore, it is part of the task that additional constructive provisions are made, which automatically enables the road entry in an emergency situation (flood, excessive rain) to increased drainage capacity.
  • a bypass which can be passed through in the event of overload of overflowing waste water is provided, which opens at the top end into the inlet chamber above the outlet opening of the inlet chamber and opens at the lower end behind the float valve into the outlet line of the outlet chamber.
  • This bypass thus represents a fluidic short circuit of excess accumulating water to the drain by the outlet chamber is not flowed through directly, as long as these excessive amounts of water incurred.
  • the bypass according to the invention is placed so that it is only actively flowed through when the inlet chamber must absorb more water than can flow through the outlet opening of the inlet chamber down into the outlet chamber.
  • the water level in the inlet chamber namely increases so far that it reaches the level of the upper mouth opening of the bypass, and thus can flow directly through the bypass. If the external water supply drops, the level in the inlet chamber decreases to such an extent that it is again possible to discharge it via the outlet opening of the inlet chamber.
  • the pipe or the siphon ends between the inlet chamber and outlet chamber with its opening at the lower end directly below the bottom of the inlet chamber, without further hineingeur in the outlet chamber.
  • the flow is down much calmed down than in the aforementioned prior art. This avoids a turbulent swirling of the heavy metals settling in the outlet chamber.
  • the heavy metals are already effectively separated from the accumulating water.
  • the lower opening of the tube which faces into the outlet, is provided with a circumferentially formed Abtropfkontur and / or a downwardly flared funnel-shaped screen.
  • the tube down immediately open out into the funnel, and the lower edge of the funnel can in turn have a drip edge.
  • the outlet below the lower chamber is divided into two parallel chambers via a vertical partition, such that in a serving as Absetzsch partial chamber, the liquid entering above the inlet chamber enters, and in the other partial chamber, the valve is arranged ,
  • a passage opening is arranged, which extends down to the bottom of the settling chamber serving as the sub-chamber, and reaches up to about half the height of the settling chamber.
  • the said opening is only going up about half the height of the lower chamber, because up the light liquids are to secrete, because they float on water.
  • this passage opening may be provided with a sieve, through which particles are kept. This is important, therefore, to prevent coarse particles from being entrained and obstructing a secure sealing fit of the float ball on the valve seat.
  • a second bypass is designed as a tube whose first opening opens into the upper part serving as Absetztre partial chamber of the outlet, and opens the second opening from above into the valve chamber serving as the partial chamber of the outlet chamber. This can be pushed from above into the valve chamber from the bottom of massively nachumbledem excessive case water the aufschwimnmende light liquid. There is then another volume for light liquids available when the volume in the upper part of the settling chamber is already filled with light liquid. If this light liquid actually collected in the settling chamber is overflowed into the valve chamber, the valve closes and also prevents its outflow into the drain line. In this case, only the available volume for light liquid increases. This is exactly the function of this second bypass.
  • the lower junction of the main bypass is positioned with respect to the height below the float.
  • the excess sewage water is removed via this to ensure additional, albeit partially unfiltered, fall water discharges in the case of imminent flooding.
  • known street enemas as mentioned in the aforementioned prior art, hinder the flow of water so strong that the congestion caused thereby inevitably leads to a flood of the road. This is to help prevent the road entry according to the invention.
  • the outlet conduit is designed as a siphon whose outlet height is above the center of gravity of the float. This results overall in a balanced discharge of water. In addition, this creates an odor barrier to the main sewage system.
  • bypass in cross section is approximately equal to the cross section of the lower outlet of the outlet chamber, i. the valve chamber is.
  • the float can be designed as a flap with float bodies. This is advantageous for certain cases when structurally the valve function must be integrated into the outlet line. For example, if the entire street inlet must be made very compact and small-sized.
  • the float (s) of the flap and ball-shaped float have a density of between 1 and 0.7 such that the respective float creates buoyancy in a water environment and sinks in an oil environment or in a light fluid environment and closes the valve seat.
  • bypass extends outside next to the inlet and the outlet chamber.
  • it may also pass internally as an integral tube through the inlet and outlet chambers.
  • the essence of the invention is that in case of excessive wastewater attack (overload case) by means of a bypass initially reduced the excess capacity in the filtered process and instead more the excess dirty water is discharged, and that at least in parallel at least a partial capacity of the dirty water is still cleaned , until, after the wastewater has fallen, the capacity of the road inlet for the normalized waste water attack is sufficient again.
  • FIG. 1 shows a side sectional view of an embodiment of a road inlet 1. This is on the roadside or in places embedded in the ground and serves the discharge of water from the street or squares.
  • the street inlet 1 is known to be covered by a cover grille 2.
  • the road inlet consists of a barrel-shaped housing 4, in which all the necessary technical details are arranged.
  • Under the cover grille 2 a removable basket-shaped Laubfangsieb 3 is arranged.
  • Including the container of the street inlet 1 is divided into several chambers. In essence, an upper chamber is arranged as an inlet chamber 5 directly under the leaf trap screen 3.
  • the inlet chamber 5 is separated via a separating tray 9 from the lower chamber.
  • the lower chamber is again subdivided into a sub-chamber, which is designed as an outlet chamber 6, and a sub-chamber, which is designed as a valve chamber 7. These two lower sub-chambers are in turn separated from each other by a vertical partition 15, which, however, has a passage opening 16.
  • the passage opening 16 does not extend all the way to the top in the sub-chamber 6, here also float the light liquids, or fat, oil, gasoline, fuels etc on the liquid level on top, and collect in the upper part of the sub-chamber 6. Ie put the light liquids in the sub-chamber 6 above, ie above the upper edge of the passage opening 16 from, or are collected there.
  • a drain on the valve float 14 instead of the drain water is a drain on the valve float 14 instead.
  • the float 14 sits on a final outward drain siphon 12.
  • the edge surface of the siphon rests on the float is designed as a valve seat 13, for example, by a soft, sealing material.
  • This float has such a density that it rises when surrounded only by water, but closes when it is surrounded by light liquid.
  • the light liquid in the sub-chamber 6 will float up and fill the local volume of the edge of the through hole 16 up to the separating tray 9. In other words, this volume represents the collection volume for the light liquids.
  • the water level reaches this inlet opening only if the insufficient normal drainage capacity causes a backwater.
  • the system thus regulates itself without further mechanical switching means.
  • the bypass 20 opens via a pipe connection 22 in the drain siphon 12, and indeed fluidly behind the valve seat 12 in the drain siphon 12 a.
  • a second bypass 10 leads to a transfer of the light liquid from the sub-chamber 6 serving as collecting chamber into the valve chamber 9. But here, too, the light liquid floats on top, and should it reach the level of the float 14 down, the float 14 closes and retains the light liquid.
  • the exit opening 8 "ends directly at the level of the separating bottom 9
  • the outflow is significantly quieter, which can be assisted by additionally, but not necessarily, attaching a truncated shield 11 directly to the outlet opening 8", and
  • this funnel-shaped shield 11 consists of a grid of metal or plastic, for example.
  • FIG. 2 shows a plan view of the dividing floor from a sectional view of above the dividing bottom 9.
  • the liquid flows into the inlet chamber 5 and from there via the pipe not directly into the lower part of the chamber 6 but initially in an antechamber 17 which is divided with a further vertical partition.
  • FIG. 3 shows a perspective view.
  • the lower drain chamber is divided into 3 sub-chambers, namely the settling and collecting chamber 6, and the valve chamber 7, as well as the valve chamber still further pre-chamber 17, in which can collect down heavy metals and floating up light liquids.
  • the passage opening 16 to the valve chamber 7 facing covered with a fine filter, and the passage from the chamber 6 to the prechamber 17 is covered with a coarse filter, or coverable.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Float Valves (AREA)

Claims (15)

  1. Avaloir de chaussée (bouche d'égout) comprenant une chambre d'entrée supérieure (5) et une chambre de sortie inférieure (6) séparée de celle-ci par le biais d'un fond de chambre d'entrée (9), l'ouverture de sortie (8') de la chambre d'entrée (5) étant située, par un tuyau (8) ou un siphon, nettement au-dessus du fond de la chambre d'entrée (9), et comprenant également une conduite de sortie (12) dans la chambre de sortie (6), pouvant être fermée avec une soupape à corps flottant (13, 14),
    caractérisé en ce
    qu'une dérivation (20) pouvant être parcourue par les eaux d'écoulement excessives en cas de surcharge est prévue, laquelle débouche par l'extrémité supérieure (21) en haut dans la chambre d'entrée (5) au-dessus de l'ouverture de sortie (8') du tuyau (8) pénétrant vers le haut dans la chambre d'entrée (5), et débouche par l'extrémité inférieure (22) derrière la soupape à corps flottant (13, 14) dans la conduite de sortie (12).
  2. Avaloir de chaussée (bouche d'égout) selon la revendication 1,
    caractérisé en ce que
    le tuyau ou le siphon entre la chambre d'entrée (5) et la chambre de sortie (6) se termine avec son ouverture au niveau de l'extrémité inférieure (8") directement en dessous du fond de séparation (9) de la chambre d'entrée (5) sans pénétrer davantage dans la chambre de sortie (6).
  3. Avaloir de chaussée (bouche d'égout) selon la revendication 1,
    caractérisé en ce que
    l'ouverture inférieure (8") du tuyau (8) qui est tourné dans la chambre de sortie (6) est pourvue d'un contour d'égouttage façonné sous forme périphérique et/ou d'une protection (11) sous forme d'entonnoir s'élargissant vers le bas.
  4. Avaloir de chaussée (bouche d'égout) selon la revendication 1, 2 ou 3,
    caractérisé en ce que
    la chambre de sortie située en bas est divisée par le biais d'une paroi de séparation verticale (15) en deux chambres parallèles (6, 7) de telle sorte que le liquide entrant par le haut par le biais de la chambre d'entrée (5) pénètre dans une chambre partielle (6) servant de chambre de sédimentation, et que la soupape à corps flottant (13, 14) soit disposée dans l'autre chambre partielle (7).
  5. Avaloir de chaussée selon la revendication 4,
    caractérisé en ce
    qu'une ouverture de passage (16) est disposée dans la paroi de séparation (15) disposée verticalement entre la chambre de sédimentation (6) et la chambre de soupape (7), laquelle s'étend vers le bas jusqu'au fond de la chambre de sédimentation et vers le haut jusqu'approximativement à mi-hauteur de la chambre de sédimentation.
  6. Avaloir de chaussée selon la revendication 5,
    caractérisé en ce que
    l'ouverture de passage (16) est pourvue d'un tamis.
  7. Avaloir de chaussée selon la revendication 4 ou 5,
    caractérisé en ce
    qu'une deuxième dérivation (10) est posée sous forme de tuyau dont la première ouverture débouche en haut dans la chambre partielle de la chambre de sortie servant de chambre de sédimentation (6) et dont la deuxième ouverture débouche par le haut dans la chambre partielle de la chambre de sortie servant de chambre de soupape (7).
  8. Avaloir de chaussée selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    l'embouchure inférieure (22) de la dérivation (20) est positionnée, par rapport à la hauteur, en dessous du flotteur (14) de la soupape à corps flottant (13, 14).
  9. Avaloir de chaussée selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    la conduite de sortie (12) est configurée sous forme de siphon dont la hauteur de sortie est située au-dessus du centre de gravité du flotteur (14) de la soupape à corps flottant (13, 14).
  10. Avaloir de chaussée selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    la dérivation (20), en section transversale, est approximativement égale à la section transversale de la conduite de sortie (12) de la chambre de sortie.
  11. Avaloir de chaussée selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    le flotteur (14) de la soupape à corps flottant (13, 14) est configuré sous forme de volet avec des corps flottants.
  12. Avaloir de chaussée selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    le ou les corps flottants du volet ou le corps flottant réalisé sous forme de balle présentent une densité comprise entre 1 et 0,7 de telle sorte que le corps flottant respectif produise une force de poussée vers le haut dans l'eau environnante et coule dans l'environnement d'un liquide léger et ferme le siège de soupape (13).
  13. Avaloir de chaussée selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    la dérivation (20) s'étend à l'extérieur à côté de la chambre d'entrée et de la chambre de sortie.
  14. Avaloir de chaussée selon l'une quelconque des revendications 1 à 12,
    caractérisé en ce que
    la dérivation (20) s'étend à l'intérieur sous forme de tuyau à travers la chambre d'entrée et la chambre de sortie.
  15. Procédé de fonctionnement d'un avaloir de chaussée, dans lequel des liquides légers et des métaux lourds sont séparés des eaux d'écoulement par le biais d'un système à plusieurs chambres et sont retenus fixement dans l'avaloir de chaussée, caractérisé en ce que
    dans le cas d'un volume d'eaux usées excessif (surcharge), la surcapacité est d'abord réduite temporairement au moyen d'une dérivation dans un écoulement filtré et les eaux usées en excès sont plutôt évacuées et en ce que parallèlement toutefois, au moins une capacité partielle des eaux usées est encore épurée jusqu'à ce que, après la réduction du volume d'eaux usées, la capacité de l'avaloir de chaussée soit à nouveau suffisante pour le volume d'eaux usées normalisé.
EP08874983.3A 2008-10-22 2008-10-22 Avaloir de chaussée (bouche d'égout) et son procédé de fonctionnement Not-in-force EP2337902B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2008/008910 WO2010045953A1 (fr) 2008-10-22 2008-10-22 Avaloir de chaussée (bouche d’égout) et son procédé de fonctionnement

Publications (2)

Publication Number Publication Date
EP2337902A1 EP2337902A1 (fr) 2011-06-29
EP2337902B1 true EP2337902B1 (fr) 2015-10-14

Family

ID=40797658

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08874983.3A Not-in-force EP2337902B1 (fr) 2008-10-22 2008-10-22 Avaloir de chaussée (bouche d'égout) et son procédé de fonctionnement

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Country Link
EP (1) EP2337902B1 (fr)
DE (1) DE202008017663U1 (fr)
WO (1) WO2010045953A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104652594B (zh) * 2015-02-09 2016-07-06 杭州路安市政配套设施有限公司 浮动式自动闭合窨井盖及其操作方法
CN107524223B (zh) * 2017-09-29 2023-06-09 沈阳建筑大学 一种具有净化、蓄储功能的雨水井
CN112195717B (zh) * 2020-08-26 2022-02-11 广东九万里建设集团有限公司 一种市政道路节能排水施工方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2127319A (en) 1982-09-17 1984-04-11 Swain Plastics Limited J W Settling tank with by-pass
DE3620182A1 (de) 1986-06-14 1987-12-17 Bernhard Kessel Bodenablauf
CA2258030A1 (fr) 1996-06-14 1997-12-18 Hartwig Langenberg Element d'admission d'eau usee
CA2206338C (fr) * 1997-05-28 2001-06-26 Stormceptor Canada Inc. Regard ameliore
EP1507045A1 (fr) 2003-08-11 2005-02-16 Scarabaeus S.L. Bouche d'égout dans le sol ou la chaussée avec un dispositif de retenue de liquides legères

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Publication number Publication date
WO2010045953A1 (fr) 2010-04-29
DE202008017663U1 (de) 2010-04-01
EP2337902A1 (fr) 2011-06-29

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