EP2337902A1 - Avaloir de chaussée (bouche d'égout) et son procédé de fonctionnement - Google Patents

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

Info

Publication number
EP2337902A1
EP2337902A1 EP08874983A EP08874983A EP2337902A1 EP 2337902 A1 EP2337902 A1 EP 2337902A1 EP 08874983 A EP08874983 A EP 08874983A EP 08874983 A EP08874983 A EP 08874983A EP 2337902 A1 EP2337902 A1 EP 2337902A1
Authority
EP
European Patent Office
Prior art keywords
chamber
inlet
outlet
street
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.)
Granted
Application number
EP08874983A
Other languages
German (de)
English (en)
Other versions
EP2337902B1 (fr
Inventor
Bernd Schladitz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP2337902A1 publication Critical patent/EP2337902A1/fr
Application granted granted Critical
Publication of EP2337902B1 publication Critical patent/EP2337902B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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 road 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.
  • Inlet chamber is filled so far that the water level exceeds this nozzle.
  • EP 0 904 471 B1 describes, as a significant novelty, that the tube also protrudes far into the outlet chamber down to the point where the tube opening ends below the outlet of the outlet chamber.
  • the invention is therefore based on the object to propose a different solution than in EP 0904471, 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 in a fluidic considerably calmer room can take place. 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 an overload of overflowing waste water is provided which opens at the top into the inlet chamber above the outlet opening of the inlet chamber and opens at the lower end behind the valve into the outlet line of the outlet chamber.
  • bypass thus represents a fluidic short circuit of excess accumulating water to 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 through the outlet opening of the inlet chamber down into the
  • Outlet chamber can drain.
  • 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.
  • outlet below the lower chamber is divided into two parallel chambers via a vertical partition, such that in a serving as a settling chamber chamber enters the above entering via the inlet chamber liquid, and in the other part of the chamber 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 only goes 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 coarser 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 Absetzhunt partial chamber of the outlet, and opens the second opening from above into the valve chamber serving as Operakammer the outlet chamber. This can be pushed further from above into the valve chamber with massively depressing excessively heavy water from above on floating 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.
  • outlet conduit is designed as a siphon whose outlet height is above the center of gravity of the float. This results in a balanced overall
  • bypass in cross section is approximately equal to the
  • the float can be designed as a flap with float bodies. This is advantageous for certain cases when structurally the float
  • Valve function must be integrated into the outlet pipe. For example, if the entire street inlet must be made very compact and small-sized.
  • the float (s) of the flap and the 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 temporarily reduced first the excess capacity in the filtered flow and instead the excess dirty water is removed, and that in parallel yet at least a partial capacity of the dirty water is still cleaned until after sunken
  • Waste water accumulation the capacity of the road inlet for the normalized waste water attack is sufficient again.
  • FIG. 2 top view of section through FIG. 1
  • FIG. 3 Perspective view of the street inlet
  • Figure 1 shows a side sectional view of an embodiment of a road inlet 1. This is on the roadside or on squares embedded in the ground and serves to discharge the 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.
  • Inlet chamber 5 is separated via a separating bottom 9 of 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 In which optionally also a fine filter or a fine sieve element can be arranged, a flow into the valve chamber 7 takes place. Since the passage opening 16 does not extend all the way to the top in the sub-chamber 6, the light liquids, or fat, oil, gasoline, fuels etc float on the liquid level on top and collect in the upper part of the sub-chamber 6. the light liquids settle in the sub-chamber 6 above, i. above the upper edge of the passage opening 16 from, or be 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.
  • Drain capacity causes a backwater.
  • the system thus regulates itself without further mechanical switching means.
  • water / light-liquid-separating drain is physically bypassed via the pipe 8 only when the discharge capacity via the pipe 8 is no longer sufficient, and thus the liquid level rises above the level of the inlet opening 8 ".
  • 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.
  • the design of the tube 8, which ends immediately at the bottom of the partition 9, is not only structurally different from the aforementioned prior art, but quite significantly also functionally different therefrom.
  • the outlet opening 8 "of the tube 8 has only one drip edge at the bottom, which causes the outflow flow to settle downwards when the flow cross section widens considerably in the case of strong inflow, whereas in the prior art the tube is led far into the subchamber 6.
  • 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 separating tray from a sectional view from above the separating tray 9.
  • FIG. 2 is not a 100% sectional view of FIG. 1 but already contains a further embodiment.
  • 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.
  • Prechamber 17 to recognize. Likewise, the location of the second bypass 10.
  • 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)

Abstract

L’invention concerne un avaloir de chaussée (bouche d’égout), ainsi qu’un procédé de fonctionnement de ce dernier, comprenant une chambre d’admission supérieure et une chambre d’évacuation inférieure séparée de cette dernière par un fond de chambre d’admission, l’ouverture d’évacuation de la chambre d’admission à travers un tuyau ou un siphon se trouvant nettement au-dessus du fond de chambre d’admission. L’avaloir de chaussée comprend également, dans la chambre d’évacuation, une conduite d’évacuation pouvant être fermée par un flotteur. L’invention vise à améliorer nettement le fonctionnement de l’avaloir de chaussée et à éviter les inondations. A cet effet, on prévoit une dérivation (20) dans laquelle peut circuler, en cas de surcharge, l’excès d’eau d’écoulement. Cette dérivation débouche par son extrémité supérieure en haut de la chambre d’admission (5), au-dessus de l’ouverture d’évacuation (8) de la chambre d’admission (5), et par son extrémité inférieure (22), derrière la vanne (13, 14) dans la conduite d’évacuation (12).
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 true EP2337902A1 (fr) 2011-06-29
EP2337902B1 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

Country Status (3)

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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2010045953A1 *

Also Published As

Publication number Publication date
WO2010045953A1 (fr) 2010-04-29
DE202008017663U1 (de) 2010-04-01
EP2337902B1 (fr) 2015-10-14

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