EP2447424B1 - Pièce d'embranchement de conduite pour tuyaux de descente - Google Patents

Pièce d'embranchement de conduite pour tuyaux de descente Download PDF

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Publication number
EP2447424B1
EP2447424B1 EP10189065.5A EP10189065A EP2447424B1 EP 2447424 B1 EP2447424 B1 EP 2447424B1 EP 10189065 A EP10189065 A EP 10189065A EP 2447424 B1 EP2447424 B1 EP 2447424B1
Authority
EP
European Patent Office
Prior art keywords
region
deflection
section
branch piece
deflection region
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.)
Active
Application number
EP10189065.5A
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German (de)
English (en)
Other versions
EP2447424A1 (fr
Inventor
Abdullah Oengören
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.)
Geberit International AG
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Geberit International AG
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 Geberit International AG filed Critical Geberit International AG
Priority to EP10189065.5A priority Critical patent/EP2447424B1/fr
Priority to AU2011224069A priority patent/AU2011224069B2/en
Priority to CN201110331567.3A priority patent/CN102454197B/zh
Publication of EP2447424A1 publication Critical patent/EP2447424A1/fr
Application granted granted Critical
Publication of EP2447424B1 publication Critical patent/EP2447424B1/fr
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Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
    • E03C1/122—Pipe-line systems for waste water in building
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
    • E03C2001/1206—Pipes with specific features for influencing flow characteristics

Definitions

  • the present invention relates to a branch line for downpipes according to the preamble of claim 1.
  • Geberit Sovent is a fitting which provides a cost-effective and sophisticated solution for the delivery of waste water to wastewater sewer lines in multi-storey buildings, such as high-rise buildings.
  • a negative pressure in the supply line during operation should be largely prevented.
  • the negative pressure is created by the water flowing in the downpipe and can become so great, especially in the case of large drop heights, that water is sucked out of the siphons present in the supply line. Consequently, the siphon no longer fulfills the function as a closure element between downpipe and the corresponding waste water drains, such as toilet drain etc.
  • the formation of the negative pressure can be reduced, for example, in the Brake elements or guide elements are arranged, which brake or redirect the water flowing in the direction of fall in the supply line.
  • this has a negative effect on the power or the volume flow of the branch line piece, which means that line branch pieces with larger pipe diameters must be used in order to achieve a comparable performance. This is again undesirable, since so greater installation space is required.
  • the invention has for its object to provide a line branch piece, which overcomes the disadvantages of the prior art.
  • a line branch piece is to be created whose power is increased while maintaining the same size and whose performance is kept constant at a reduced size.
  • a line branch piece for a downpipe in which waste water in the form of a water jacket on a wall along a direction of fall is feasible, comprises an upper downcomer section with an inlet opening, a subsequent to the upper downcomer section deflecting section and a subsequent downstream of the deflection downpipe section with an outlet opening, and at least one supply line section, which opens in the region of the deflection in the line branch piece.
  • the deflection section comprises a first deflection region, which deflects the wastewater with respect to the direction of fall, and a second deflection region arranged downstream of the first deflection region viewed in the direction of fall, to which the wastewater is supplied from the first deflection region.
  • the second deflection region is inclined to the direction of fall. Due to this tendency, the wastewater can be sufficiently braked without increasing the resistance of the branch line piece, which allows an increase in the volume flow with the same size or keeps the performance constant with a smaller size.
  • the second deflection region is arranged in the direction of fall immediately after the first deflection region.
  • the first deflecting region comprises a detaching edge, which is arranged in such a way that the wastewater flows over the mouth region or over the dividing wall, which means that wastewater enters the mouth region prevented.
  • the second deflection region is so to the first deflection that the waste water is substantially reflected by the second deflection region. Due to the reflection, the effect of the inclined deflection region is further improved.
  • the second deflection region is preferably provided by the wall of the line branch piece. This allows a particularly simple production.
  • the second deflection area is at an angle in the range of 2 to 12 ° to the direction of fall.
  • the second deflection region is at an angle in the range of 30 ° to 50 °, in particular 40 ° with respect to the direction of the waste water, which has been deflected by the first deflection region. With such an angle very good results were achieved.
  • the first deflection region is arranged such that the water jacket leaves the first deflection region as a deflected jet, wherein the wastewater then impinges jet-shaped onto the second deflection region arranged inclined at an angle.
  • the second deflection region is preferably curved at least in sections, in particular around an axis which is perpendicular to the direction of fall. As a result, the deflection can be further improved.
  • the first deflection region is seen in the direction of fall arranged so that it extends over the entire clear width of the upper downcomer section, so that the total amount of wastewater is deflected.
  • the diverting section preferably comprises a flow-through region and a mouth region in which the feed line opens into the line branch piece, wherein the mouth region is separated from the flow region by a dividing wall, so that the entry of waste water from the flow region into the mouth region is prevented.
  • the partition has a passage through which pressure differences between the flow area and the mouth area are compensated, wherein the passage is preferably arranged such that a passage of waste water through the passage is made impossible.
  • the passage is preferably arranged such that a passage of waste water through the passage is made impossible.
  • a flow divider is arranged in the direction of fall in front of the deflection section, wherein the water jacket can be torn off with the flow divider.
  • the line branch piece preferably comprises at least one bypass line, which is preferably arranged such that a pressure difference between the upper downcomer section and the mouth region and / or between the upper downcomer section and the lower downcomer section can be compensated.
  • the FIG. 1 shows a branch line 1 for use in wastewater sewer pipes in multi-storey buildings.
  • the line branch piece 1 is used for the connection of a waste water supply line from a floor in the downpipe, which extends from floor to floor, usually over the entire building height.
  • the supply line is therefore connected via the branch line piece 1 with the down pipe.
  • the line branch piece 1 comprises an upper downcomer section 2 with an inlet opening 3, a deflecting section 4 adjoining the upper downcomer section 2 and a lower downpipe section 5 adjoining the deflecting section 4 with an outlet opening 6 and at least one inlet section 7 via which additional wastewater is introduced into the downpipe becomes.
  • the upper downcomer section 2, the deflecting section 4 and the lower downcomer section 5 are surrounded by a wall 11, 20.
  • the upper downcomer portion 2 of the line branch piece 1 is connected to an upper downpipe, not shown here, and the lower downcomer portion 5 is connected to a lower downpipe, also not shown here.
  • the supply line section 7 communicates with the drains of, for example, a dwelling in a multi-storey building in connection and is sealed there via a siphon to the line system out, as explained above.
  • the connection between the pipe section 1 and the downpipe or the supply line is preferably via a material connection, such as a welded connection.
  • waste water which is substantially composed of water and solids, does not differ significantly from water in terms of flow effects.
  • an air column L which is located in the downpipe extends between two line branch pieces 1. Due to the flow of the water jacket W, the air column L is placed in pulsating motion, with too high a pulsation has a negative effect on the efficiency of the line branch piece 1.
  • the diameter of the down pipe is to be dimensioned so that at the maximum volume flow, the water drains off as water jacket W, wherein the air column L is present. If the volume flow is so great that the entire cross section of the downpipe is used for its routing, so the risk of backflow through the supply line 7 and / or a stowage over the branch line piece 1 is very large.
  • the wastewater is introduced from the upper downcomer via the inlet opening 3 into the branch pipe 1 along the fall direction F, which corresponds substantially to the vertical V, introduced.
  • the wastewater passes through the upper downcomer section 2 and is deflected by the deflecting section 4 according to the description below.
  • additional wastewater is introduced into the downpipe via the supply line section 7.
  • the deflected wastewater mixes with the additional wastewater and leaves the line branch piece 1 via the lower downcomer section 5 and the outlet opening 5 to the lower downcomer. Due to the flow characteristics, a water jacket W and an air column L are then created in the lower down pipe as soon as the water has traveled a certain distance.
  • the deflection 4 here comprises a first deflection region 8, which diverts the wastewater W from the fall direction F.
  • a second deflection region 9 is arranged, which is at an angle or inclined to the direction of fall F and to the vertical V.
  • the wastewater is diverted from the first deflection region 8 so that it is deflected to the second deflection region 9, where the wastewater undergoes a renewed deflection.
  • the second deflection region 9 is arranged in the direction of fall immediately after the first deflection region 8. Under the Dictation is directly to understand that the wastewater from the first deflection region 8 is passed directly to the second deflection region 9.
  • the second deflection region 9 is inclined from the vertical V to the first deflection region 8 towards.
  • a large deceleration of the wastewater is to be achieved via the deflection section 4 in order to keep the negative pressure in the supply line related to the flow rate of the water as small as possible.
  • the resistance of the line branch piece 1 should not be increased to the extent that it comes in the region of the deflection 4 to a stagnation of the wastewater, which minimizes the power or efficiency of the line branch piece 1 very strong.
  • a high resistance which would also cause a good or strong braking of the wastewater, must be compensated by increasing the diameter of the pipeline in order to achieve a comparable volume flow or a comparable performance.
  • this is disadvantageous in terms of size.
  • the two-fold deflection was chosen, wherein the resistance is only slightly increased over the branch line piece 1, without the braking of the waste water is adversely affected.
  • the first deflection region 8 opposes with respect to the direction of fall F or the vertical V at an angle ⁇ of preferably 45 °.
  • the angle ⁇ may also be less than or greater than 45 °, for example in the range of 30 ° to 60 °, in particular in the range of 40 ° to 50 °.
  • the first deflection region 8 is seen in the direction of fall F arranged such that it extends over the entire inside width of the upper downcomer section 2, so that the total amount of waste water impinges on the first deflection region 8. In other words, this means that the first deflection region 8 extends over the entire cross section of the upper downcomer section 2.
  • the first deflection region 8 causes the formation of a jet S from the water film W. Consequently, the wastewater in the form of the jet S strikes the second deflection region 9.
  • the second deflection region 9 which is arranged at an angle ⁇ to the direction of fall F or to the vertical V, stands in such a way to the beam S that the beam S impinging on the second deflection region 9 is reflected as optimally as possible.
  • the expression reflection is understood that the beam S at the similar angle as it impinges on the second deflection region 9, this leaves again, but at least by the second deflection region 9 is deflected so that the pressure loss and thus the resistance through the deflection remains as small as possible.
  • the power ie the maximum volume flow, can be increased while braking remains constant, wherein the flow-induced negative pressure in the supply lines 7 is not changed.
  • the angle ⁇ is in the range of 2 ° to 12 ° with respect to the vertical V.
  • the angle ⁇ is chosen so as to ensure optimum reflection of the water on the inside of the wall 11.
  • the angle ⁇ defines itself as an angle between the direction in which the beam S leaves the first deflection region 8 and the inclination of the second deflection region 9.
  • the second deflection region 9 can be curved in different directions in order to further improve the reflection of the wastewater.
  • the deflection section 4 is designed such that it opposes a low resistance with respect to the wastewater without negatively influencing the braking of the water. As a result, a larger volume flow can be achieved with a constant size, which increases the performance of the line branch piece 1 accordingly.
  • the degree of the first deflection is greater than the degree of the second deflection. Consequently, the water undergoes a greater loss of speed over the first deflection region 8 than over the second deflection region 9.
  • This division has the The advantage is that the system functions more consistently with respect to different volume flows, and that the system can be better adjusted.
  • the second deflection region 9 is formed by the wall 11 of the line branch piece 1.
  • the second deflection region 9 can also be a separate element in the line branch piece 2.
  • the at least one supply line section 7 is arranged so that it opens into the line branch piece 1 substantially at the level of the second deflection region 8.
  • a total of six supply line sections 7 are available.
  • three supply line sections 7 are arranged with a large diameter and three further supply line sections 7 with a smaller diameter each T-shaped, wherein the supply line sections 7 are arranged at an angle of 90 ° to each other.
  • the group lead portions 7 with the large diameter are preferably arranged in the direction of fall F over the group inlet portions 7 arranged with the small diameter.
  • the deflection section 4 is divided into a flow area 12 and an orifice area 13.
  • the flow area 12 is used for the above-described deflection of the flowing through the line branch piece 1 wastewater, while the mouth area 13 serves to receive the supplied via the supply line sections 7 wastewater.
  • the mouth region 13 is separated from the flow region 12 by a partition wall 14, so that the entry of flowing waste water from the flow region 12 into the mouth region 13 is prevented.
  • the partition wall 14 is arranged at an angle to the direction of fall F, so that the partition has as little influence as possible on the flowing waste water, that is, the cross section of the flow area 12 in the region of the second deflection region 9 is not unnecessarily reduced.
  • the dividing wall 14 can come into contact with the wastewater, in particular in the case of large volume flows, and thus act as a guide element.
  • the first deflection region 8 comprises a detachment edge 15, which is arranged such that the Wastewater flows over the partition wall 14 away.
  • an optional ventilation passage 16 in the partition wall 14, wherein an air pressure equalization between the flow area 12 and the mouth region 13 can take place, which is represented by the arrows 17.
  • an air pressure equalization between the flow area 12 and the mouth region 13 can take place, which is represented by the arrows 17.
  • the preferred arrangement of the vent passage 16 directly below the first deflection region 8 has the advantage that the flowing wastewater can not flow through the vent passage 16 into the mouth region 13.
  • the line branch piece 1' or 1 also comprises a flow divider 18 which, viewed in the direction of fall F, is located in front of the deflecting section 4, here in the upper downpipe section 2 opposite to the first one Turning 8, is arranged.
  • a flow divider 18 can also be applied to the embodiment of the FIG. 1 Arrange. With the flow divider 18, the water jacket W or the film flow along the wall 20 of the upper downcomer section 2 can be torn open before the wastewater strikes the first deflection region 8.
  • the flow divider 18 thus has the advantage that the jet S is deflected with a lower resistance.
  • the flow divider 18 also has the advantage that the disruption of the film flow, the pulsation of the air column L and thus the resulting pressure differences in the branch line piece can be reduced.
  • the line branch piece 1 'and 1 "in the Figures 2 and 3 comprise bypass line 19 shown.
  • a bypass line 19 serves to equalize air pressure differences between the corresponding points.
  • the bypass line 19 is arranged such that the penetration of waste water into the bypass line 19 is impossible.
  • the bypass line 19 seen in the direction of fall F, arranged behind the flow divider 18.
  • the bypass line 19 may also be arranged so that it projects into the air column L of the upper downcomer section 2.
  • FIG. 2 connects the bypass line 19, the air region of the upper downcomer section 2 and the mouth portion 13 of the deflection section 4, whereby the corresponding pressure difference can be compensated.
  • FIG. 3 connects the bypass line 19, the air region of the upper downcomer section 2 and the lower downcomer section 5, so the corresponding pressure difference can be compensated.
  • bypass line is arranged which connects the air region of the upper downcomer section 2 with the mouth region 13 of the deflecting section 4 and with the air region of the lower downcomer section 5.
  • the adjustment of the pressure difference has the advantage that large differences in pressure at the various points by permanent compensation can not even arise.
  • the line branch piece is preferably made of a plastic by means of a plastic bubble process.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Sink And Installation For Waste Water (AREA)
  • Sewage (AREA)

Claims (9)

  1. Pièce d'embranchement de conduite (1, 1', 1") pour une conduite de chute, dans laquelle les eaux usées peuvent être guidées en forme de chemise d'eau (W) le long d'une paroi (11, 20) en direction de chute (F), comprenant une section de conduite de chute supérieure (2) ayant une ouverture d'entrée (3), une section de déviation (4) se connectant à la section de conduite de chute supérieure (2) et une section de conduite de chute inférieure (5) se connectant à la section de déviation (4) ayant une ouverture de sortie (6), ainsi que au moins une section d'apport (7), débouchant vers la pièce d'embranchement de conduite (1, 1', 1") dans le domaine de la section de déviation (4), dans laquelle la section de déviation (4) comprend un premier domaine de déviation (8), déviant les eaux usées par rapport à la direction de chute (F) et un deuxième domaine de déviation (9) disposé en aval vu en direction de chute (F) par rapport au premier domaine de déviation (8), vers lequel les eaux usées sont acheminées depuis le premier domaine de déviation (8),
    dans laquelle la section de déviation (4) comprend un domaine de traversée (12) et un domaine de débouchement (13), dans laquelle la conduite d'apport débouche dans le pièce d'embranchement de conduite (1) à travers la section d'apport (7), dans laquelle le domaine de débouchement (13) est séparé du domaine de traversée (12) à l'aide d'une paroi de séparation (14), de sorte que l'entrée d'eaux usées depuis le domaine de traversée (12) dans le domaine de débouchement (13) est évité,
    dans laquelle le premier domaine de déviation (8) comprend une arête de décollage (15) étant arrangée de sorte à ce que les eaux usées s'écoulent par-dessus le domaine de débouchement (13), respectivement par-dessus la paroi de séparation (14)
    caractérisée en ce que,
    le deuxième domaine de déviation (9) est arrangé immédiatement après le premier domaine de déviation (8), vu en direction de chute, et
    le deuxième domaine de déviation (9) est incliné d'un angle (α), dans le domaine de 2 à 12°, par rapport à la direction de chute (F) et faisant un angle (5), dans le domaine de 30° à 50°, particulièrement de 40°, par rapport à la direction des eaux usées (S) déviées par le premier domaine de déviation (8).
  2. Pièce d'embranchement de conduite selon la revendication (1), caractérisée en ce que le deuxième domaine de déviation (9) est positionné par rapport au premier domaine de déviation (8), de sorte que les eaux usées sont essentiellement reflétées par le deuxième domaine de déviation (9).
  3. Pièce d'embranchement de conduite selon la revendication (1) ou (2), caractérisée en ce que le deuxième domaine de déviation (9) est prévu par la paroi (11) de la pièce d'embranchement de conduite (1, 1', 1").
  4. Pièce d'embranchement de conduite selon une des revendications précédentes, caractérise en ce que le premier domaine de déviation (8) est arrangé de sorte que la chemise d'eau (W) quitte le premier domaine de déviation (8) en tant que jet (S) dévié, où les eaux usées impactent alors en forme de jet sur le deuxième domaine de déviation (8) arrangé de manière inclinée.
  5. Pièce d'embranchement de conduite selon une des revendications précédentes, caractérisée en ce que le deuxième domaine de déviation (9) est réalisé de manière courbée au moins dans certaines sections, en particulier autour d'un axe, qui est vertical par rapport à la direction de chute (F).
  6. Pièce d'embranchement de conduite selon une des revendications précédentes, caractérisée en ce que le premier domaine de déviation (8) est arrangé de sorte que, vu en direction de chute (F), il s'étend à travers la totalité du côté droit de la section de conduite de chute supérieure (2), de sorte que la totalité des eaux usées est déflectable.
  7. Pièce d'embranchement de conduite selon une des revendications précédentes, caractérisée en ce que la paroi de séparation (14) présente un passage (16), à travers duquel des différences de pression entre le domaine de traversée (12) et le domaine de débouchement (13) peuvent être compensées, où le passage (16) est préférablement arrangé de sorte qu'un passage des eaux usées à travers le passage (16) devient impossible.
  8. Pièce d'embranchement de conduite selon une des revendications précédentes, caractérisée en ce que un répartiteur de flux (18) est arrangé en amont de la section de déviation (4) vu en direction de la chute (F), où la chemise d'eau (W) peut être rompue avec le répartiteur de flux (18).
  9. Pièce d'embranchement de conduite selon une des revendications précédentes, caractérisée en ce que la pièce d'embranchement de conduite (1, 1', 1") comprend au moins une conduite de dérivation (19), qui est préférablement arrangée de sorte qu'une différence de pression entre la section de conduite de chute supérieure (2) et le domaine de débouchement (13) et/ou entre la section de conduite de chute supérieure (2) et la section de conduite de chute inférieure (6) est compensable.
EP10189065.5A 2010-10-27 2010-10-27 Pièce d'embranchement de conduite pour tuyaux de descente Active EP2447424B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP10189065.5A EP2447424B1 (fr) 2010-10-27 2010-10-27 Pièce d'embranchement de conduite pour tuyaux de descente
AU2011224069A AU2011224069B2 (en) 2010-10-27 2011-09-15 Pipe branch piece for downpipes
CN201110331567.3A CN102454197B (zh) 2010-10-27 2011-10-27 用于落水管的管分支件

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP10189065.5A EP2447424B1 (fr) 2010-10-27 2010-10-27 Pièce d'embranchement de conduite pour tuyaux de descente

Publications (2)

Publication Number Publication Date
EP2447424A1 EP2447424A1 (fr) 2012-05-02
EP2447424B1 true EP2447424B1 (fr) 2015-12-23

Family

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EP10189065.5A Active EP2447424B1 (fr) 2010-10-27 2010-10-27 Pièce d'embranchement de conduite pour tuyaux de descente

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EP (1) EP2447424B1 (fr)
CN (1) CN102454197B (fr)
AU (1) AU2011224069B2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102327751B1 (ko) * 2020-11-13 2021-11-17 김종운 건축물 배관 설계 시스템

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3051004B1 (fr) 2016-05-04 2021-04-23 Nicoll Raccords Plastiques Section de chute
GB2563032B (en) * 2017-05-30 2021-09-15 Polypipe Ltd Soil and waste pipe

Family Cites Families (8)

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Publication number Priority date Publication date Assignee Title
GB471971A (en) * 1936-02-14 1937-09-14 William Walter Scott Moncrieff Improvements in or relating to anti-syphon systems
GB770668A (en) * 1954-05-13 1957-03-20 Bendz Ltd Improvements relating to stack pipes
CH418067A (de) 1960-06-29 1966-07-31 Sommer Fritz Leitungszweigstück für Sammelfallstränge
US3346887A (en) * 1965-02-11 1967-10-17 Anaconda American Brass Co Sanitary drain system, method, and fittings therefor
JP4685573B2 (ja) * 2005-09-28 2011-05-18 クボタシーアイ株式会社 排水管継手及びこれを用いた排水管構造
DE502006003668D1 (de) * 2006-07-27 2009-06-18 Geberit Technik Ag Umlenkbogen für eine Falleitung
CN200992726Y (zh) * 2006-12-26 2007-12-19 陆正新 同层排水系统
CN201099889Y (zh) * 2007-06-22 2008-08-13 王凤蕊 建筑室内单立管排水系统

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102327751B1 (ko) * 2020-11-13 2021-11-17 김종운 건축물 배관 설계 시스템

Also Published As

Publication number Publication date
EP2447424A1 (fr) 2012-05-02
AU2011224069A1 (en) 2012-05-17
CN102454197A (zh) 2012-05-16
AU2011224069B2 (en) 2017-03-16
CN102454197B (zh) 2015-07-01

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