EP0601148B1 - Procede et dispositif d'ecoulement differe de pluies diluviennes et d'eau de pluie provenant de toits et de surfaces ayant la capacite de retenir les eaux - Google Patents

Procede et dispositif d'ecoulement differe de pluies diluviennes et d'eau de pluie provenant de toits et de surfaces ayant la capacite de retenir les eaux Download PDF

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Publication number
EP0601148B1
EP0601148B1 EP93912535A EP93912535A EP0601148B1 EP 0601148 B1 EP0601148 B1 EP 0601148B1 EP 93912535 A EP93912535 A EP 93912535A EP 93912535 A EP93912535 A EP 93912535A EP 0601148 B1 EP0601148 B1 EP 0601148B1
Authority
EP
European Patent Office
Prior art keywords
water
pipeline
throttle
retention
vortex
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.)
Expired - Lifetime
Application number
EP93912535A
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German (de)
English (en)
Other versions
EP0601148A1 (fr
Inventor
Werner Nill
Johannessen Mosbaek
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0601148A1 publication Critical patent/EP0601148A1/fr
Application granted granted Critical
Publication of EP0601148B1 publication Critical patent/EP0601148B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E04D13/0404—Drainage on the roof surface
    • E04D13/0409—Drainage outlets, e.g. gullies
    • E04D2013/0422—Drainage outlets, e.g. gullies for draining water above the roof level, e.g. gullies with overflow ports
    • 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

Definitions

  • the present invention relates to a delayed method Drainage of the meteor or rainwater from roofs and areas with backflow capacity.
  • the invention further relates to a device for delayed outflow of meteor or rainwater from roofs and surfaces with backflow capacity.
  • the object of the invention is to provide a method and an apparatus create that allow with simple means the drain pipes allowable amount of water to the capacity of the sewer network and / or the sewage treatment plant as well as the backwater capacity of the building adapt. Another object is to make the device such to design that their safe function by no other Parameters.
  • the flow restrictor at the inlet of the drain pipe can be arranged directly in the level of the roof or raised and does not have to be placed in a recessed pot, which can weaken the roof or which can lead to great difficulties when retrofitted.
  • the drain pipes inside the house can be routed to the most favorable locations on site and their cross sections only have to be adapted to the highest possible amount of water.
  • the vortex throttle is insensitive to blockages and can be cleaned easily if contaminants prevent a regulated process.
  • the costs for the delayed outflow of the meteor water are low, since no lengthy calculations of the pipe cross-sections and an expensive laying of the pipes within the building are necessary.
  • FIG. 1 a section of a building upper part with a flat roof 3 is shown, which has laterally raised wall sections 5 to form a retention basin 7 for the backflow of rain water temporarily retained during a rain event.
  • the structure of the flat roof 3 is not shown in detail since it is not the subject of this invention.
  • the inclination of the roof 3, which causes the water that collects there to flow to a drain 9, from which it flows through a pipeline 11, which usually runs in the building 10, a sewer line (not shown) or an underground pipe Infiltration can be supplied.
  • the drain 9 in the examples according to FIGS. 1 to 5 is flush with the upper edge of the roof, so that the roof 3 is not weakened in the area of the drain 9 by a collecting basin 13, as shown in the example according to FIG. 6.
  • a vortex throttle 17 On the upper end 15 of the pipe 11 guided through the flat roof 3 is a vortex throttle 17, which in the example according to the Figures 1 to 3 from two parallel plates 19 and 21 consists, the two plates 19,21 by two arcuate vertically standing baffles 23 and 25 are interconnected.
  • the two plates 23 and 25 each have a quarter arc 25 and 27 and then essentially a straight section.
  • a gap or opening 33 from the Width a is provided between each end of a straight section 31 and rectilinear section 29 .
  • the gap-shaped openings 33 and the two Plates 19 and 21 form the inlet for the water inlet Pipeline 11, which is located in the center of the vortex throttle 17 and connects to a pipe socket 16.
  • a corresponding recess 22 is attached, which with the upper end 15 of the pipeline 11 is connected.
  • On the recess 22 can replaceable drainage orifice 12 with a tubular part 16 or be plugged in with the maximum flow rate can also be set or changed subsequently.
  • a pipe socket 35 of height h can also be placed in the upper plate 19, which forms a direct connection into the interior of the vortex throttle 17 and lies coaxially with the upper end 15 of the pipeline 11.
  • the upper edge 37 of the pipe socket 35 is at the height h max. , which corresponds to the maximum accumulation height in the retention basin 7.
  • the diving bell 40 has a jacket 42 and a lid portion 44. Between the top End of the tube 35 and the lid section 44 is at least that Cross section of the tube 35 corresponding gap kept open. On the Contaminants are floating through the water surface Shell surface 42 retained and the water under the jacket 42nd flow through to the pipeline 35.
  • the vortex throttle 17 can be made of steel or plastic be.
  • the top plate 19, e.g. by loosening wing nuts 39, which correspond to corresponding Screw bolts which are passed through the plate 19 and to the vertical plates 23 and 25 are attached to be lifted off. by one To allow cleaning of the inside of the vortex throttle 17.
  • one or more times folded baffles 24, 26 welded together from sections be connected to the two plates 19 and 21 in the manner described.
  • the guide plates 24 are each bent twice bent and have straight sections 24, 26.
  • the Openings 33 can be fixed or, as shown in FIG. 2, changeable be trained (no illustration).
  • a pipe socket 35 placed on the vortex throttle 17 as an emergency relief or overflow
  • a pipe section 41 ending at the same height can of course also be connected directly to the pipe 11 or an additional pipe leading to the sewage system (no illustration). be connected.
  • the entire vortex throttle is used to prevent the gap 33 from becoming blocked 17 preferably surrounded by a removable grid 43.
  • the Grid 43 can completely complete the vortex throttle 17 laterally and above enclose (Figure 1) or as an open top round or rectangular Basket 48 may be formed (Figure 15).
  • the vortex throttles 17, 45 can also be used directly in a gravel bed on the flat roof 3.
  • the functioning of vortex chokes is described for example in US-A-3,198,214. There is therefore no further information on the functioning and the design of vortex chokes.
  • the vortex throttles 17,45 placed directly on the surface of the flat roof 3 these can of course also be arranged within a sump 51 sunk in the flat roof 3 (FIG. 6).
  • Vortex throttle 45 For a temporary backflow of rainwater in large quantities inflows than can be taken up by the sewage treatment plant, can also a vortex throttle 45, as shown in Figure 11, used will.
  • This vortex throttle 45 has no through it ongoing emergency overflow, but this must be independent and at others Be provided on the roof.
  • emergency overflow lines 35 In the configurations of the Vortex chokes in FIGS. 12, 13 and 14 are emergency overflow lines 35 provided which are arranged coaxially to the throttle 45.
  • the emergency overflow line In the The simplest version according to FIG. 12 is the emergency overflow line at the top open.
  • a semicircular elbow 52 put on, which prevents the pent up on the surface Water-contaminating contaminants get into the emergency transmission line and can clog them.
  • the vortex throttle 77 shown schematically in FIG. 16 has one Inlet 79, which opens into the upper surface.
  • This Vortex choke 77 can either be in a sump, as in FIG. 6 shown, or on a roof with permanent backflow from the height a be used.
  • the vortex throttle 69 shown in FIG. 17 can be radial Inlet connection 71 may be provided or additionally a tangential Have inlet 73.
  • the tangential inlet 73 can be higher than the inlet connection 71. This makes it possible, in the event of a Blockage of the lower inlet 71 as an emergency inlet with Throttle characteristics to act.
  • a colander 75 can be placed in front.
  • the colander 75 consists of a tubular section, the front is closed, and is made of perforated sheet or of grid-shaped material produced.
  • the use of the vortex throttle 69 shown in FIG. 17 follows analogously to the others already described.
  • the outlet-side opening of the vortex throttle 55 is arranged above the knot h 3 .
  • the vertically arranged vortex throttle 55 can have a configuration corresponding to the vortex throttle 45 shown in FIG. 4, the water inlet opening 47 being located below the knot h 3 .
  • a vortex throttle 17, as shown in FIGS. 2, 7, 8 and 9, could also be used if one of the two inflow openings, namely the one at the top, is closed.
  • the emergency overflow line 35 is arranged in the vertical extension of the pipeline 11 and can have a hood or diving bell 40, as is described and illustrated in FIG. 14, in order to prevent the entry of floating contaminants.
  • a baffle 67 can also be arranged around the inlet 47 of the vortex throttle 55.
  • the baffle 67 consists of vertically formed sheets or plastic plates which prevent the entry of floating contaminants to the water inlet opening 47.
  • the vortex throttle 55 or its outlet-side opening 47 lies on the hull h 3 , which corresponds to the intended height of the continuous congestion. With a further rise in the water level, as long as it does not exceed the level h 4 . allow the water to flow unrestricted to the pipeline 11. If the hote h 4 is exceeded, the effect of the vortex throttle 55 begins.
  • the vortex throttle 55 in the embodiment of the invention according to FIG. 19 is arranged on the level of the roof 3, its mode of operation corresponds to that in FIG. 1.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Sewage (AREA)
  • Sink And Installation For Waste Water (AREA)
  • Measuring Arrangements Characterized By The Use Of Fluids (AREA)
  • Measuring Volume Flow (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)

Claims (12)

  1. Procédé pour un écoulement différé de pluies diluviennes et d'eaux de pluie provenant de toits ou de surfaces ayant la capacité de retenir les eaux pour un stockage sporadique ou permanent dans le réseau d'égout d'une installation de traitement des eaux au moyen d'une conduite rigide, selon lequel la conduite rigide présente une section qui permet sensiblement d'évacuer la quantité d'eau de pluie maximale produite et selon lequel on limite à une valeur maximale réglable et prédéfinie la quantité d'eau qui s'écoule, avant que la capacité de retenue maximum ne soit atteinte.
  2. Procédé selon la revendication 1 caractérisé en ce qu'avant de pénétrer dans une conduite rigide (11), la totalité des pluies diluviennes passe par un élément d'étranglement (17,45,55,77) et en ce que le débit d'eau s'écoulant par unité de temps ne dépasse pas une certaine quantité qui est fonction des dimensions de l'élément d'étranglement (17,45,55,77).
  3. Dispositif pour un écoulement différé de pluies diluviennes et d'eaux de pluie provenant de toits ou de surfaces ayant la capacité de retenir les eaux pour un stockage sporadique ou permanent, sur lequel on a disposé à l'embouchure d'un conduite rigide (11), l'embouchure étant située du côté de la surface ou du toit et la conduite (11) étant reliée à une installation de traitement des eaux, un élément d'étranglement (17,45,55,77) dont la capacité de débit est fonction de la capacité de rétention de l'installation d'épuration des eaux, caractérisé en ce que la conduite rigide (11) présente une section dimensionnée de manière à évacuer la quantité d'eau de pluie produite maximale dans le cas où la capacité de retenue est atteinte.
  4. Dispositif selon la revendication 3 caractérisé en ce qu'on utilise un étrangleur à tourbillons, avec décharge centrale et entrée radiale ou tangentielle, comme élément d'étranglement (17,45,55,77).
  5. Dispositif selon la revendication 3 caractérisé en ce que l'élément d'étranglement (17) comprend deux plaques (19,21) sensiblement parallèles l'une à l'autre et reliées par des tôles (23,25;24) courbes disposées symétriquement l'une par rapport à l'autre, une fente ou une ouverture (33) de largeur (a) se trouvant à chaque fois entre les extrémités des tôles (23,25;24) et les tôles courbes (23,25;24) présentant des sections arquées (25,27) ou des sections biseautées (26).
  6. Dispositif selon la revendication 5 caractérisé en ce qu'est fixée, au moins dans la plaque inférieure (21), une section de tuyau (16) conduisant à la conduite rigide (11).
  7. Dispositif selon la revendication 6 caractérisé en ce qu'on a inséré dans la plaque supérieure (19) une tubulure (35) destinée à guider vers l'élément étrangleur (17,45) la quantité d'eau dépassant la hauteur de retenue maximale hmax.
  8. Dispositif selon l'une des revendications 5 à 7 caractérisé en ce que la plaque supérieure (19) est conçue amovible et/ou en ce qu'on a inséré ou posé un obturateur (12) ou un raccord (54) au-dessus de la conduite rigide (11) à la hauteur de l'ouverture (22) située du côté d'écoulement.
  9. Dispositif selon l'une des revendications 5 à 8 caractérisé en ce que sur l'étrangleur à tourbillons (17,45,55), un robinet-vanne (34) permet de modifier la largeur de la fente (33) située du côté d'entrée.
  10. Dispositif selon l'une des revendications 7 à 9 caractérisé en ce qu'on a disposé une cloche à immersion (40) ou un raccord coudé (38) sur l'extrémité de la tubulure (35) de manière à retenir les impuretés flottant dans l'eau.
  11. Dispositif selon l'une des revendications 3 à 10 caractérisé en ce que l'ouverture de l'élément étrangleur (55) située du côté d'écoulement est disposée sur la conduite rigide (11) qui dépasse le toit à une certaine distance de la surface du toit (3) sur la cote de niveau (h3) d'une retenue permanente.
  12. Dispositif selon la revendication 11 caractérisé en ce que l'élément d'étranglement (55) est fixé à plat horizontalement ou verticalement sur la conduite rigide (11) dépassant du toit (3).
EP93912535A 1992-06-30 1993-06-29 Procede et dispositif d'ecoulement differe de pluies diluviennes et d'eau de pluie provenant de toits et de surfaces ayant la capacite de retenir les eaux Expired - Lifetime EP0601148B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH206892 1992-06-30
CH2068/92 1992-06-30
PCT/CH1993/000165 WO1994000653A1 (fr) 1992-06-30 1993-06-29 Procede et dispositif d'ecoulement differe de pluies diluviennes et d'eau de pluie provenant de toits et de surfaces ayant la capacite de retenir les eaux

Publications (2)

Publication Number Publication Date
EP0601148A1 EP0601148A1 (fr) 1994-06-15
EP0601148B1 true EP0601148B1 (fr) 1998-02-11

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EP93912535A Expired - Lifetime EP0601148B1 (fr) 1992-06-30 1993-06-29 Procede et dispositif d'ecoulement differe de pluies diluviennes et d'eau de pluie provenant de toits et de surfaces ayant la capacite de retenir les eaux

Country Status (6)

Country Link
US (2) US5524393A (fr)
EP (1) EP0601148B1 (fr)
JP (1) JPH06510097A (fr)
AT (1) ATE163210T1 (fr)
DE (2) DE9308085U1 (fr)
WO (1) WO1994000653A1 (fr)

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Publication number Priority date Publication date Assignee Title
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Also Published As

Publication number Publication date
WO1994000653A1 (fr) 1994-01-06
EP0601148A1 (fr) 1994-06-15
DE59308136D1 (de) 1998-03-19
JPH06510097A (ja) 1994-11-10
DE9308085U1 (de) 1993-08-05
US5524393A (en) 1996-06-11
ATE163210T1 (de) 1998-02-15
US5800092A (en) 1998-09-01

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