FR2893338A1 - Rain water storage device for collective sewer system, has container including intake orifice at its upper part, manual drawing orifice provided at lower part of container, and complete emptying orifice including standard closing system - Google Patents

Rain water storage device for collective sewer system, has container including intake orifice at its upper part, manual drawing orifice provided at lower part of container, and complete emptying orifice including standard closing system Download PDF

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Publication number
FR2893338A1
FR2893338A1 FR0511632A FR0511632A FR2893338A1 FR 2893338 A1 FR2893338 A1 FR 2893338A1 FR 0511632 A FR0511632 A FR 0511632A FR 0511632 A FR0511632 A FR 0511632A FR 2893338 A1 FR2893338 A1 FR 2893338A1
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France
Prior art keywords
orifice
container
collective
storage device
manual drawing
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Application number
FR0511632A
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French (fr)
Inventor
Stephane Wahnich
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SCP COMM
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SCP COMM
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Priority to FR0511632A priority Critical patent/FR2893338A1/en
Publication of FR2893338A1 publication Critical patent/FR2893338A1/en
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Classifications

    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B3/00Methods or installations for obtaining or collecting drinking water or tap water
    • E03B3/02Methods or installations for obtaining or collecting drinking water or tap water from rain-water
    • E03B3/03Special vessels for collecting or storing rain-water for use in the household, e.g. water-butts
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/10Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
    • E03F5/101Dedicated additional structures, interposed or parallel to the sewer system
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A10/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
    • Y02A10/30Flood prevention; Flood or storm water management, e.g. using flood barriers
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/108Rainwater harvesting

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental & Geological Engineering (AREA)
  • Sewage (AREA)

Abstract

The device has a container including an intake orifice (1) at its upper part with a predetermined peak flow, and a downspout connected to the orifice. An evacuation orifice (2) is arranged at a lower part of a median zone and includes a flow regulation system proposing an adjustable range of its peak flow. A manual drawing orifice (3) is provided at a lower part of the container. A complete emptying orifice (4) is provided at the lower part of the container and includes a standard closing system.

Description

1 Cette invention concerne un dispositif limitant le débit maximum et leThis invention relates to a device limiting the maximum flow rate and the

volume total d'eau pluviale rejeté dans le réseau collectif d'assainissement durant un épisode pluvieux, y compris de forte intensité par une installation privée ; cette invention étale le volume d'eau rejeté dans le temps et dans l'espace. Selon les utilisations du dispositif, elle peut éliminer ou minorer le volume total rejeté dans le réseau collectif d'assainissement. En l'état actuel, l'eau collectée par une gouttière, sur un édifice quelconque, peut être soit directement rejetée dans le réseau collectif d'assainissement, soit captée lors de son évacuation par les chenaux et stockée dans un bac de récupération à concurrence du volume de ce bac, au delà duquel l'eau est rejetée, comme dans le premier cas, dans le réseau d'assainissement. En cas de précipitation et au delà de la saturation des bacs de récupération, le réseau d'évacuation doit prendre en charge à chaque instant le total du volume des précipitations ; lors d'un épisode de précipitations intenses, le réseau peut être saturé, provoquant des dégâts divers (débordements, inondations...). L'équipement selon l'invention permet d'empêcher la saturation du réseau collectif d'assainissement en limitant l'évacuation des eaux pluviales, en dirigeant cette eau en tout ou partie vers le milieu naturel. Il participe ainsi activement au système d'assainissement et évite ou limite les inondations et le besoin d'ouvrages d'évacuation plus importants et plus coûteux pour les collectivités. Le dispositif est un bac de récupération de l'eau de pluie évacuée par les installations domestiques, doté d'un système d'évacuation en continue de débit réglable. Le dispositif se connecte aux descentes d'eaux pluviales (par le ou les dispositifs standards actuellement adoptés), stocke localement l'eau collectée et restitue un flux contrôlé vers le retour en milieu naturel. En cas de pluie dépassant les capacités d'absorption du milieu naturel, le surplus est détourné vers le réseau d'assainissement. Lors d'une période de pluie, le dispositif commence par stocker l'eau collectée dans la zone la plus basse, eau destinée aux usages domestiques tel arrosage ou nettoyage. Lorsque cette première partie est remplie, la zone supérieure commence à stocker l'eau de façon temporaire : l'eau stockée dans cette zone 2 s'écoule de façon continue vers le milieu naturel selon un flux régulé en fonction des capacités d'absorption de ce milieu. Si l'épisode pluvieux est tel que la zone supérieure elle aussi est remplie, le débit excédentaire est versé dans le réseau collectif d'assainissement. Les dessins en annexes illustrent l'invention et ses variantes : figure 1 : dispositif standard figure 2 : dispositif avec collecte par raccordement vertical figure 3 : variante du dispositif sans stockage Le volume du récipient peut se répartir en : - zone 1 : zone de siphon - zone 2 : zone de stockage temporaire avant évacuation - zone 3 : zone de stockage permanent La taille globale du bac et les proportions relatives des trois zones sont variables selon les installations auxquelles sont destinés les différents modèles de bac. La zone 1 est la zone de siphon qui permet le retour au réseau d'assainissement en cas de saturation de la cuve, sans intervention manuelle, afin d'empêcher tout débordement à l'extérieur de la cuve.  total volume of rainwater discharged into the sanitation system during a rainy episode, including high intensity by a private facility; this invention spreads the volume of water discharged in time and space. Depending on the uses of the device, it can eliminate or reduce the total volume released into the collective sanitation network. In the current state, water collected by a gutter, on any building, can be either directly rejected in the collective sanitation network, or captured during its evacuation by the channels and stored in a recovery tank to competition the volume of this tank, beyond which the water is discharged, as in the first case, into the sewerage network. In the event of precipitation and beyond the saturation of the recovery tanks, the evacuation network must at all times support the total volume of precipitation; during an episode of intense precipitation, the network can be saturated, causing various damages (overflows, floods ...). The equipment according to the invention makes it possible to prevent saturation of the collective sanitation network by limiting the evacuation of rainwater, by directing this water wholly or partly towards the natural environment. It is therefore actively involved in the sanitation system and avoids or limits flooding and the need for larger and more expensive evacuation works for communities. The device is a rainwater collection tank evacuated by domestic installations, with a continuous discharge system of adjustable flow. The device connects to the downspouts (by the standard device or devices currently adopted), locally stores the collected water and returns a controlled flow back to the natural environment. In case of rain exceeding the absorption capacity of the natural environment, the surplus is diverted to the sewerage network. During a rainy period, the device starts by storing the water collected in the lowest zone, water intended for domestic use such as watering or cleaning. When this first part is filled, the upper zone begins to store the water temporarily: the water stored in this zone 2 flows continuously towards the natural environment in a controlled flow according to the absorption capacities of the water. this medium. If the rainy episode is such that the upper zone is also filled, the excess flow is poured into the collective sanitation network. The drawings in the appendices illustrate the invention and its variants: FIG. 1: standard device FIG. 2: device with collection by vertical connection FIG. 3: variant of the device without storage The volume of the container can be divided into: - zone 1: siphon zone - zone 2: temporary storage area before evacuation - zone 3: permanent storage area The overall size of the tank and the relative proportions of the three zones vary according to the installations for which the different tank models are intended. Zone 1 is the siphon zone that allows the return to the sewerage network in case of saturation of the tank, without manual intervention, in order to prevent any overflow outside the tank.

En partie basse de cette zone se trouve un orifice [1] raccordé au système d'évacuation des eaux pluviales de l'édifice, ayant une fonction de trop-plein. Le raccordement doit impérativement être horizontal, afin que la fonction de siphon soit opérationnelle. Le raccordement de cet orifice peut servir également d'orifice de collecte si un dispositif adéquat est utilisé, tel que couramment utilisé à l'heure actuelle, à l'endroit de raccordement avec les descentes d'eaux pluviales. Le débit maximum capté par cet orifice est Dl. Dans la paroi supérieure du bac, au dessus de la zone 1, se trouve une trappe de visite avec fermeture de sécurité, et un orifice [lb] permettant un raccordement vertical aux descentes d'eaux pluviales si le raccordement horizontal n'est pas adapté à la configuration du bâtiment. Cet orifice a des caractéristiques identiques à l'orifice [1], à savoir un débit maximum Dl. La zone 2 est la zone de stockage temporaire de l'eau de pluie avant évacuation. L'eau collectée de façon temporaire dans cette zone est évacuée vers le milieu naturel de façon ralentie et permanente par l'orifice [2] en partie basse de la zone 3 L'orifice d'évacuation [2] a un débit réglable de valeur minimum strictement supérieure à zéro, et de valeur maximum inférieure ou égale au débit maximum du captage d'eaux pluviales (débit maximum de l'orifice [1] ou [lb]).  In the lower part of this area is an orifice [1] connected to the building's storm drainage system, which has an overflow function. The connection must be horizontal so that the siphon function is operational. The connection of this opening may also serve as a collection port if a suitable device is used, as currently used at the point of connection with the downspouts. The maximum flow rate captured by this orifice is Dl. In the upper wall of the tank, above zone 1, there is a safety inspection hatch, and an orifice [lb] allowing a vertical connection to the downspouts if the horizontal connection is not suitable. to the configuration of the building. This orifice has characteristics identical to the orifice [1], namely a maximum flow Dl. Zone 2 is the temporary storage area for rainwater before evacuation. The water collected temporarily in this zone is evacuated to the natural environment in a slow and permanent way through the orifice [2] in the lower part of zone 3. The discharge orifice [2] has an adjustable flow rate. minimum strictly greater than zero, and of maximum value less than or equal to the maximum flow rate of rainwater collection (maximum flow of orifice [1] or [lb]).

Le système de régulation du débit est intégré par construction au bac, sa présence étant indispensable au bon fonctionnement du système. La plage de réglage du débit doit respecter l'équation : 0<D2<Dl où D2 = valeur de débit de [2] et Dl = débit maximum du captage Le dispositif de régulation est manoeuvré par une clé amovible afin que l'utilisateur ne modifie pas le réglage de façon intempestive. Le réglage du dispositif est effectuée à partir d'un calcul prenant en compte d'une part la surface de collecte des eaux pluviales (toits, terrasses et autres surfaces), d'autre part la capacité d'absorption en aval du dispositif (surface de la parcelle et coefficient de perméabilité associé). La sortie de la vanne de régulation est pourvu d'un système de raccordement au standard du marché, afin de raccorder l'installation prenant en charge l'eau évacuée.  The flow control system is built by construction to the tank, its presence is essential to the proper functioning of the system. The flow rate adjustment range must comply with the equation: 0 <D2 <Dl where D2 = flow rate value of [2] and Dl = maximum flow rate The control device is operated by a removable key so that the user can not does not change the setting unintentionally. The adjustment of the device is carried out on the basis of a calculation taking into account on the one hand the surface of collection of rainwater (roofs, terraces and other surfaces), on the other hand the absorption capacity downstream of the device (surface plot size and associated permeability coefficient). The output of the control valve is equipped with a standard connection system on the market, in order to connect the installation supporting the discharged water.

Le système de régulation est fixé aux parois par vissage plus joint, collage, ou tout autre système adapté aux matériaux de construction choisi pour le bac lui-même. La zone 3 est la zone de stockage permanent de l'eau à usage domestique : arrosage des espaces verts, nettoyage des véhicules ou des voiries par exemple. En partie basse de cette zone se trouve dans ce but un orifice [3], destiné au puisage, prévu pour être pourvu d'un robinet d'arrêt manipulable librement par l'utilisateur. Il est équipé dans ce but d'un filetage au standard du marché. Ce filetage peut être, selon les matériaux de construction choisi pour le bac, soit moulé, soit rapporté par un système fileté avec joint d'étanchéité et écrou, tout autre système étant valable, le principe étant de mettre à disposition des utilisateurs du dispositif une partie de l'eau stockée pendant les périodes de précipitation. L'existence de cette zone n'est pas indispensable au fonctionnement du dispositif mais constitue une incitation à l'installation de ce type de dispositif. Cette zone est également pourvue, au point le plus bas de la cuve, d'un orifice de vidange totale [4], de conception et de réalisation identique à l'orifice de puisage. Cette vidange est utilisée : - pour éviter la détérioration de la cuve par le gel en période d'exposition au froid, - pour libérer préventivement le volume total de stockage du dispositif en cas de risque imminent de précipitations d'intensités dangereuses, signalées par les services de la protection civile, Météo France ou tout autre service en charge de ce type de risques ; la vidange préalable du bac augmente la capacité tampon du système en utilisant le retour en milieu naturel ou le réseau d'évacuation collectif avant que les précipitations ne le sollicitent. 4  The control system is attached to the walls by screwing plus seal, glue, or any other suitable system to the building materials chosen for the tray itself. Zone 3 is the permanent water storage area for domestic use: watering green spaces, cleaning vehicles or roads, for example. In the lower part of this zone is for this purpose an orifice [3], intended for drawing, intended to be provided with a stop valve freely manipulated by the user. It is equipped for this purpose with a standard thread market. Depending on the materials of construction chosen for the tray, this threading may be molded or attached by a threaded system with a seal and a nut, any other system being valid, the principle being to make available to the users of the device a part of the stored water during periods of precipitation. The existence of this zone is not essential to the operation of the device but constitutes an incentive to install this type of device. This zone is also provided, at the lowest point of the tank, a total drain hole [4], design and realization identical to the drawing port. This emptying is used: - to avoid the deterioration of the tank by freezing during periods of exposure to the cold, - to pre-emptively release the total storage volume of the device in case of imminent risk of precipitations of dangerous intensities, indicated by the civil protection services, Météo France or any other department in charge of this type of risk; the pre-emptying of the tank increases the buffering capacity of the system by using the return to the natural environment or the collective drainage system before precipitation makes it necessary. 4

Claims (4)

REVENDICATIONS 1 - Dispositif de stockage temporaire des eaux pluviales caractérisé par un récipient pourvu d'un orifice [1] en partie haute, de débit maximum Dl, auquel est raccordé une descente d'eaux pluviales, et d'un orifice [2] en partie basse, de débit D2, D2 étant inférieur à Dl.  1 - Temporary storage device for rainwater characterized by a container provided with an orifice [1] in the upper part, maximum flow Dl, which is connected a downflow of rainwater, and a hole [2] in part low, flow rate D2, D2 being less than Dl. 2 - Dispositif selon la revendication 1, caractérisé en ce que le débit de l'orifice [2] est réglable dans une plage de valeurs strictement supérieures à zéro et strictement inférieures au débit maximum de l'orifice [1].  2 - Device according to claim 1, characterized in that the flow rate of the orifice [2] is adjustable in a range of values strictly greater than zero and strictly less than the maximum flow rate of the orifice [1]. 3 - Dispositif selon la revendication 1 ou 2, caractérisé en ce qu'il est pourvu d'une zone de stockage permanent de l'eau collectée en dessous de la position de l'orifice [2], zone possédant un orifice de puisage manuel [3]  3 - Device according to claim 1 or 2, characterized in that it is provided with a permanent storage area of the water collected below the position of the orifice [2], zone having a manual drawing port [3] 4 - Dispositif selon la revendication 3, caractérisé en ce qu'il est pourvu au point le plus bas d'un orifice de vidange totale de sécurité.  4 - Device according to claim 3, characterized in that it is provided at the lowest point of a total safety drain hole.
FR0511632A 2005-11-14 2005-11-14 Rain water storage device for collective sewer system, has container including intake orifice at its upper part, manual drawing orifice provided at lower part of container, and complete emptying orifice including standard closing system Withdrawn FR2893338A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0511632A FR2893338A1 (en) 2005-11-14 2005-11-14 Rain water storage device for collective sewer system, has container including intake orifice at its upper part, manual drawing orifice provided at lower part of container, and complete emptying orifice including standard closing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0511632A FR2893338A1 (en) 2005-11-14 2005-11-14 Rain water storage device for collective sewer system, has container including intake orifice at its upper part, manual drawing orifice provided at lower part of container, and complete emptying orifice including standard closing system

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FR2893338A1 true FR2893338A1 (en) 2007-05-18

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FR0511632A Withdrawn FR2893338A1 (en) 2005-11-14 2005-11-14 Rain water storage device for collective sewer system, has container including intake orifice at its upper part, manual drawing orifice provided at lower part of container, and complete emptying orifice including standard closing system

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9206685U1 (en) * 1992-05-16 1992-08-27 Oldorf, Wolfgang, Dr., 7883 Görwihl Water storage tank
GB2270949A (en) * 1992-09-29 1994-03-30 William Charles Taylor Diverting rainwater from downpipes
DE9415818U1 (en) * 1994-09-30 1995-02-02 Masch, Hartmut, Dipl.-Designer, 22848 Norderstedt Narrow system rainwater tank with visual and weather protection function
WO1998020209A1 (en) * 1996-11-06 1998-05-14 Wavin B.V. Device for collecting, temporarily storing and draining off rainwater

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9206685U1 (en) * 1992-05-16 1992-08-27 Oldorf, Wolfgang, Dr., 7883 Görwihl Water storage tank
GB2270949A (en) * 1992-09-29 1994-03-30 William Charles Taylor Diverting rainwater from downpipes
DE9415818U1 (en) * 1994-09-30 1995-02-02 Masch, Hartmut, Dipl.-Designer, 22848 Norderstedt Narrow system rainwater tank with visual and weather protection function
WO1998020209A1 (en) * 1996-11-06 1998-05-14 Wavin B.V. Device for collecting, temporarily storing and draining off rainwater

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