EP3106574A1 - Leitungszweigstück für fallleitungen - Google Patents

Leitungszweigstück für fallleitungen Download PDF

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Publication number
EP3106574A1
EP3106574A1 EP16175874.3A EP16175874A EP3106574A1 EP 3106574 A1 EP3106574 A1 EP 3106574A1 EP 16175874 A EP16175874 A EP 16175874A EP 3106574 A1 EP3106574 A1 EP 3106574A1
Authority
EP
European Patent Office
Prior art keywords
flow
section
line
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.)
Withdrawn
Application number
EP16175874.3A
Other languages
German (de)
English (en)
French (fr)
Inventor
Rolf Weiss
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
Original Assignee
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 EP16175874.3A priority Critical patent/EP3106574A1/de
Publication of EP3106574A1 publication Critical patent/EP3106574A1/de
Withdrawn legal-status Critical Current

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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 effluent flowing in the downpipe and can be so large, especially at large fall heights, that wastewater is sucked out of the existing in the supply line siphons. 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 which braking elements or guide elements are arranged which brake or redirect the wastewater flowing in the direction of the fall in the region of 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 wastewater in the form of a sewage jacket on a wall along a direction of fall is feasible, an upper downcomer section with an inlet opening, a subsequent to the upper downcomer section deflecting section and a the downstream end of the downcomer 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 at least one deflection region and a flow region with a wall.
  • the deflection region comprises a deflection surface running along a flow curve or flow line and curved around the flow curve or flow line for bundling the wastewater as a jet.
  • the flow curve or flow line extends at a first angle with respect to the direction of fall and with a second angle with respect to a plane which extends through the direction of fall. Due to the two angles, the curved deflection surface with its flow curve or flow line is directed essentially tangentially onto the wall of the flow region.
  • the curved deflection surface preferably has the shape of a channel which extends along the flow curve or flow line.
  • the channel bundles the wastewater to the said beam and then leads this tangentially to the wall of the flow area.
  • the deflection region has the shape of a pipe bend, wherein the pipe bend provides a channel extending along the flow curve or streamline.
  • a pipe bend a particularly simple structure can be created.
  • the deflection surface or the channel is concave.
  • the flow curve or flow line can be formed in the region of the deflection surface as a straight axis or as a curved line.
  • a curve extends through the centers of the pipe sections of the branch pipe, the curve in the region of the upper downcomer section, in parts of the flow area and the lower downcomer section in said plane and wherein the curve in the region of the deflection region with respect to the direction of fall laterally from the plane is distracted.
  • a flow divider is arranged in the direction of fall before the deflection, wherein the flow divider, the waste water jacket can be torn off.
  • the flow divider preferably directs the waste water directly to the deflection section.
  • the deflection region is arranged in the direction of fall directly after the upper downcomer section, and / or the flow-through region is arranged immediately after the deflection region, and / or the lower downflow section is arranged immediately after the flow-through region.
  • the feed line section preferably has an opening region in which the feed line opens into the line branch piece via the feed line section, 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.
  • a bleed passage is arranged between the flow area and the feed line section, via which pressure differences between the flow area and the mouth area can be compensated.
  • FIGS. 1 and 2 show a line branch piece 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.
  • FIG. 3 a schematic representation of the wastewater is shown.
  • the drop lines are arranged so that their central axis lies in the vertical V. Consequently, the waste water flows in the vertical V along a fall direction F and forms on the wall 20 of the downpipe and partly also in the downcomer sections 2, 3 a circulating cylindrical wastewater film or wastewater jacket W.
  • wastewater which is in the Essentials Water and solids composed, with respect to flow effects is not significantly different from water.
  • the diameter of the down pipe is to be dimensioned so that at the maximum volume flow, the wastewater as waste water jacket W flows away, whereby the air column L is present.
  • 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 essentially to the vertical V,.
  • 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 downflow section 5 or the outlet opening 6 to the lower downflow line. Due to the flow characteristics, a waste water jacket W and an air column L are then created in the lower downpipe as soon as the wastewater has traveled a certain distance.
  • the deflection section 4 here comprises a deflection region 8 which deflects the wastewater W from the fall direction F, and a flow region 12 arranged downstream of the deflection region 8 in the direction of fall F.
  • the flow region 12 is preferably immediately after the deflection region 8, ie directly to the deflection region 8 Subsequently, arranged, while the deflection region 8 directly or directly adjoins the upper downcomer section 2.
  • the flow area 12 then opens directly into the lower downflow section 5, thus the lower downcomer section 12 arranged immediately after the flow area 12.
  • the deflection region 8 comprises a deflection surface 10 running along a flow curve or flow line M and curved around the flow curve or flow line M for bundling the wastewater as a jet S.
  • the curvature of the deflection surface 10 is selected such that the waste water jacket W passes through the deflection surface 10 is essentially bundled as a beam S and leaves as the beam S, the deflection surface 10 again.
  • the flow curve or the flow line M can also be referred to as the center axis of the curvature of the deflection surface 10.
  • the deflection surface 10 seen to the fall direction F with respect to the fall direction F is at a first angle ⁇ . It can also be said that the deflection surface 10 is in a plane E, which extends through the falling direction F, with the angle ⁇ to the direction of fall F.
  • the level E is in the FIG. 4 parallel to the drawing sheet surface.
  • the plane E extends substantially through the center axis of the upper downcomer section 2 and the lower downcomer section 5. With respect to the plane E, the deflection surface 10 extends in the direction of the fall direction F at a second angle ⁇ . This can be done in the FIG. 6 be recognized.
  • the first angle ⁇ is preferably selected in the range of 90 ° to 175 °, in particular in the range of 125 ° to 155 °, particularly preferably 140 °.
  • the second angle ⁇ is preferably selected in the range of 0 ° to 45 °, in particular in the range of 10 ° to 30 °, particularly preferably 19 °.
  • the curved deflection surface 10 is thus directed with its central axis M substantially tangentially to the wall 11 of the flow area 12.
  • the sewage steel S impinges substantially tangentially on the wall 11 of the flow area 12. Due to the tangential impingement of the sewage jet S is guided along a flow curve through the flow area 12 and rotated about a relative to the wall 11 centrally through the flow area 12 extending curve 23 in rotation.
  • the waste water jet S flows along the wall 11 through the flow area 12.
  • the waste water flows along the Wall 11 helically in the direction of F flows.
  • the curve 23 is laid essentially through all centers of the pipe sections of the branch line piece.
  • the curve can be in the FIGS. 4 and 5 be well recognized.
  • the curve 23 it can also be said that in the region of the upper downcomer section 2, in parts of the flow-through region 12 and the lower downpipe section 5, it is part of the plane E or lies in the plane E or spans the plane E.
  • the flow direction of the waste water is deflected by the deflection surface 8 laterally to the plane E and the curve 23, so that the wastewater is passed tangentially to the wall 11 and thus the rotation about the curve 23 can be achieved.
  • This deflection 19 is in the FIG. 5 shown. Consequently, the waste water rotates after the deflection about the curve 23.
  • the maximum deflection 19 is preferably in the region of the end 21 of the deflection region eighth
  • the flow line or the flow curve is preferably a curve that is continuous in the mathematical sense, so that the wastewater undergoes, as far as possible, a turbulence-free deflection.
  • the deflection region 8 is designed so that the wastewater is deflectable with respect to the fall direction F.
  • the deflection is such that the wastewater as a sewage jet tangentially to the wall 11 of the flow area 12 occurs. Due to the tangential impingement, the waste water jet is set in rotation about the line 23 extending centrally through the flow area 12, and can be guided as a rotating flow along the wall 11 through the flow area 12.
  • the described rotation of the wastewater has the advantage that a large deceleration of the wastewater and thus a reduction in performance can be avoided.
  • the rotation of the waste water along the wall 11 thus has the advantage that with a constant diameter of the down pipe, a larger volume flow can be achieved or the diameter can be reduced at a constant volume flow.
  • the rotation also makes it possible for an air column L to extend from the upper downcomer section 2 as far as the lower downcomer section 5. Thus, there is no interruption of the air column by wastewater and performance is not negatively affected. Due to the continuous air column there is no negative pressure in the system and thus it can not lead to an emptying of the siphons in the supply lines. In addition, no congestion zones with other negative effects, such as the pulsation of the air column, arise.
  • the implementation of the waste water is explained in more detail by the line branch piece 1.
  • the wastewater flows through the deflecting section 4 and then exits the line branch piece 1 through the lower downcomer section 5.
  • the deflecting section 4 which is located directly between the upper downcomer section 2 and the lower downcomer section 5
  • the sewage passes through the deflecting region 8 with the deflecting surface 10 deflected such that the wastewater impinges as a jet S tangentially to the curved wall 11 of the flow area 12.
  • the water as a helical flow passes through the flow area 12 and then flows into the lower downflow section 5.
  • FIG. 4 can be well recognized that the wastewater is guided after deflection by the deflection region 8 on the wall 11 opposite the feed line section 7 in the fall direction F.
  • the same is true in the FIG. 6 shown.
  • the guide of the waste water with respect to the supply line section 7 has the advantage that the wastewater can be continuously guided on a wall, which does not tear off the rotation.
  • FIG. 7 is a sectional view taken along the section line VII-VII in the FIG. 1 shown. Consequently, it is directed to the lower portion of the deflection section 4 to the lower downcomer section 5 out.
  • the transition between the flow area 12 and the lower downflow section 5 is preferably designed so that the wastewater flows tangentially into the lower downflow section 5. Consequently, the lower portion 15 is immediately prior to the mouth in the lower downcomer section 5 tangential to the wall 20 of the lower downcomer section.
  • Die tangential flow of the lower downcomer section has the advantage that no storage zone for the wastewater in the lower downcomer section can arise.
  • the curved deflection surface 10 has the shape of a channel 24, wherein the channel extends substantially along the central axis M.
  • the deflection region 8 has, in particular, the shape of a pipe bend 9, wherein the channel 24 or the deflection surface 10 is then provided by the pipe bend 9.
  • the pipe bend 9 is bent substantially at the angle ⁇ and deflected with respect to the plane E by the angle ⁇ to the direction of fall F.
  • the central axis M is formed as a curved axis, the curvature substantially corresponding to the central radius of the pipe bend.
  • it can be said with respect to the center axis M of the deflection surface 10 that it may be formed as a straight axis or formed as a curved axis.
  • the flow losses are slightly lower.
  • the deflection surface 10 and the channel 24 are preferably concave with respect to the interior of the line branch piece, so that the water steel can be provided in a simple manner.
  • a flow divider 18 is seen in the direction of fall F is arranged in front of the deflection section 4, wherein with the flow divider 18 of the waste water jacket W can be torn off. After tearing open the waste water jacket W, the wastewater then flows to the deflection region 8, where the water jet S is formed by the deflection surface 10.
  • the flow divider 18 is preferably arranged such that the total amount of waste water is diverted to the deflection region 8.
  • 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 flow area 12 is, as already mentioned above, directly in connection with lower downcomer section 5, in which then the wastewater flows from the flow area.
  • the wall 11 is seen from the vertical V inclined to the first deflection 8 towards.
  • the angle ⁇ is in the range of 2 ° to 12 ° with respect to the vertical V.
  • 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 supply line section 7 leads waste water to the branch line piece, wherein the waste water flows into the line branch piece 1 via a mouth region 13.
  • 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.
  • a ventilation passage 16 in the partition wall 14, wherein an air pressure equalization between the flow region 12 and the mouth region 13 can take place, which is represented by the arrow 17.
  • vent passage 16 In the FIG. 5 the preferred arrangement of the vent passage 16 is shown.
  • the vent passage 16 with respect to the direction of fall F side of the Deflection surface 10 is arranged, which has the advantage that the flowing wastewater can not flow through the vent passage 16 in the mouth region 13.
  • 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 and is integrally formed.
  • Preferred diameters of the line branch piece are 110 mm and 160 mm. Experiments have shown that with the deflection according to the present invention with a smaller diameter, the same performance can be achieved.

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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)
  • Sewage (AREA)
  • Sink And Installation For Waste Water (AREA)
EP16175874.3A 2011-05-19 2011-05-19 Leitungszweigstück für fallleitungen Withdrawn EP3106574A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP16175874.3A EP3106574A1 (de) 2011-05-19 2011-05-19 Leitungszweigstück für fallleitungen

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP16175874.3A EP3106574A1 (de) 2011-05-19 2011-05-19 Leitungszweigstück für fallleitungen
EP11166711.9A EP2525002B1 (de) 2011-05-19 2011-05-19 Leitungszweigstück für Fallleitungen

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP11166711.9A Division EP2525002B1 (de) 2011-05-19 2011-05-19 Leitungszweigstück für Fallleitungen
EP11166711.9A Division-Into EP2525002B1 (de) 2011-05-19 2011-05-19 Leitungszweigstück für Fallleitungen

Publications (1)

Publication Number Publication Date
EP3106574A1 true EP3106574A1 (de) 2016-12-21

Family

ID=44584786

Family Applications (2)

Application Number Title Priority Date Filing Date
EP16175874.3A Withdrawn EP3106574A1 (de) 2011-05-19 2011-05-19 Leitungszweigstück für fallleitungen
EP11166711.9A Active EP2525002B1 (de) 2011-05-19 2011-05-19 Leitungszweigstück für Fallleitungen

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP11166711.9A Active EP2525002B1 (de) 2011-05-19 2011-05-19 Leitungszweigstück für Fallleitungen

Country Status (3)

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EP (2) EP3106574A1 (zh)
CN (1) CN102787699B (zh)
AU (1) AU2012202356B2 (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104358960B (zh) * 2014-10-17 2017-01-25 浙江伟星新型建材股份有限公司 一种用于排水用立管的连接管件
FR3051004B1 (fr) * 2016-05-04 2021-04-23 Nicoll Raccords Plastiques Section de chute
AU2017101260A4 (en) * 2017-09-14 2017-10-26 Buildom Pty Ltd Modular wastewater pipe assembly
GB2581496B (en) * 2019-02-19 2021-05-05 Hydro Int Ltd A drainage system
CN114150736B (zh) * 2021-11-23 2024-02-02 上海红点卫浴科技有限公司 一种组装式同层排水汇集器

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1941926A (en) * 1929-11-04 1934-01-02 Edward W N Boosey Drainage system and fitting therefor
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
DE1459584A1 (de) * 1961-06-12 1969-11-06 Rehau Plastiks Verfahren und Vorrichtung zum Verringern und Unterdruckbildungen in Abwasser-Sammelfallstraengen
GB2145129A (en) * 1983-06-29 1985-03-20 Kubota Ltd Stack pipe assembly
US4998754A (en) * 1988-11-18 1991-03-12 Benkan Corporation Drainpipe joint
EP1882786A1 (de) * 2006-07-27 2008-01-30 Geberit Technik Ag Umlenkbogen für eine Falleitung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
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
CN101818924A (zh) * 2010-04-02 2010-09-01 河南省建筑科学研究院有限公司 管中管回水的给水和回水管路系统

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1941926A (en) * 1929-11-04 1934-01-02 Edward W N Boosey Drainage system and fitting therefor
CH418067A (de) 1960-06-29 1966-07-31 Sommer Fritz Leitungszweigstück für Sammelfallstränge
DE1459584A1 (de) * 1961-06-12 1969-11-06 Rehau Plastiks Verfahren und Vorrichtung zum Verringern und Unterdruckbildungen in Abwasser-Sammelfallstraengen
US3346887A (en) * 1965-02-11 1967-10-17 Anaconda American Brass Co Sanitary drain system, method, and fittings therefor
GB2145129A (en) * 1983-06-29 1985-03-20 Kubota Ltd Stack pipe assembly
US4998754A (en) * 1988-11-18 1991-03-12 Benkan Corporation Drainpipe joint
EP1882786A1 (de) * 2006-07-27 2008-01-30 Geberit Technik Ag Umlenkbogen für eine Falleitung

Also Published As

Publication number Publication date
AU2012202356B2 (en) 2015-07-16
EP2525002A1 (de) 2012-11-21
CN102787699B (zh) 2016-03-02
CN102787699A (zh) 2012-11-21
EP2525002B1 (de) 2016-11-09
AU2012202356A1 (en) 2012-12-06

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