DE102009056488A1 - Wedge-shaped narrowing unit for use in water power plate for increasing flow of steaming water, has two side walls and lower base which forms river channel or smooth concrete surface - Google Patents

Wedge-shaped narrowing unit for use in water power plate for increasing flow of steaming water, has two side walls and lower base which forms river channel or smooth concrete surface Download PDF

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DE102009056488A1
DE102009056488A1 DE102009056488A DE102009056488A DE102009056488A1 DE 102009056488 A1 DE102009056488 A1 DE 102009056488A1 DE 102009056488 A DE102009056488 A DE 102009056488A DE 102009056488 A DE102009056488 A DE 102009056488A DE 102009056488 A1 DE102009056488 A1 DE 102009056488A1
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wedge
flow
side walls
water
following features
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Karl-Heinz Prywerek
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B9/00Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same
    • E02B9/02Water-ways
    • E02B9/04Free-flow canals or flumes; Intakes
    • 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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/20Hydro energy

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Hydraulic Turbines (AREA)

Abstract

The wedge-shaped narrowing unit has two side walls (1,2) and a lower base which forms river channel or a smooth concrete surface. The side walls are supported rotatably so that the narrowing unit is pivoted from a maximum opening angle of 30 degree.

Description

Das technische Gebiet, zu dem die Erfindung gehört, sind bauliche Maßnahmen einer keilförmigen Einengung zur Erhöhung der Strömungsgeschwindigkeit in fließenden Gewässern, vor Wasserkraftanlagen zur elektrischen oder mechanischen Energiegewinnung.The technical field to which the invention belongs are structural measures of a wedge-shaped constriction to increase the flow velocity in flowing waters, before hydroelectric power plants for electrical or mechanical energy.

Es ist bekannt, Trichter mit geschlossener oder unterbrochener Wandung vor Wasserkraftanlagen anzuordnen, um das Wasser mit einer höheren Geschwindigkeit als die Fließgeschwindigkeit des Flusses an dieser Stelle ist, auf die Wasserkraftanlage einwirken zu lassen. Dies ist in der Patentschrift DE 300 75 52 A1 , IPC E 02 B 9/00 und dem Gebrauchsmuster Nr. 20 2007 004 375.9 , IPC F 03 D 3/4 aufgezeigt. Trichter sind rundum geschlossene Gebilde mit einer großen und kleinen Öffnung. In einem Fluss reicht es aber eine rechte (1) und eine linke Seitenwand (2) die keilförmig zueinander verlaufen und so eine große (3) und kleine Öffnung (4) bilden zu verwenden. Die Unterseite bildet das Flussbett oder eine glatte Betonfläche. Die obere Seite ist offen und gibt so dem jeweiligen Wasserstand freien Raum. Die Seitenwände (1 u. 2) sind an der schmalsten Stelle (4), dem Einlauf zur Wasserkraftanlage, drehbar gelagert. Dadurch können die Seitenwände (1 u. 2) von der maximalen Öffnung bis hin das sie sich berühren geschwenkt werden. Wenn sie sich berühren, bilden sie eine Spitze und können so Gefahren abwehren. Das heißt, auf dem Fluss schwimmendes Treibgut oder im Winter Eisschollen nicht in die Wasserkraftanlage eindringen zu lassen. Des weiteren kann so bei Flüssen die Fahrrinne bei Bedarf freigegeben werden.It is known to place funnels with closed or interrupted walls in front of hydropower plants in order to allow the water to act on the hydropower plant at a higher speed than the flow rate of flow at that location. This is in the patent DE 300 75 52 A1 , IPC E 02 B 9/00 and the Utility Model No. 20 2007 004 375.9 , IPC F 03 D 3/4. Funnels are completely enclosed structures with a large and small opening. But in a river it is enough for a right ( 1 ) and a left side wall ( 2 ) which run in a wedge shape to each other and thus a large ( 3 ) and small opening ( 4 ) to use. The bottom forms the river bed or a smooth concrete surface. The upper side is open, giving free space to the water level. The side walls ( 1 u. 2 ) are at the narrowest point ( 4 ), the inlet to the hydropower plant, rotatably mounted. This allows the side walls ( 1 u. 2 ) are swiveled from the maximum opening to the touch. When they touch, they form a point and can ward off dangers. That means floating flotsam on the river or not letting ice floes enter the hydropower plant in winter. Furthermore, the fairway can be released as needed for rivers.

Bei beiden Seitenwänden (1 u. 2) sind Öffnungsschlitze (6) zum seitlichen Austritt von Wasser erforderlich, da nicht die gesamte Wassermasse, die an der großen Öffnung (3) einfließt durch die kleine Öffnung (4) zur Wasserkraftanlage ausfließen kann. Denn nach dem Energieerhaltungsgesetz muss vom Wassereintritt an der großen Öffnung (3) bis zum Wasseraustritt an der kleinen Öffnung (4) das Produkt aus den Faktoren Masse und Geschwindigkeit zum Quadrat gleich groß sein. Erhöht sich also die Strömungsgeschwindigkeit, was ja das Ziel der Erfindung ist, so muss die Wassermasse zwischen den Seitenwänden (1 u. 2) durch seitliches ausweichen kleiner werden. Das seitliche Ausweichen des Wassers erfolgt folgendermaßen: In den Seitenwänden (1 u. 2) befinden sich Schlitze (6) in vertikaler Richtung. Am Ende jeden Schlitzes (6) befindet sich eine Aufprallfläche (7), die senkrecht zur Fliessrichtung steht. Das betreffende Wasser wird teilweise nach außen und innen abgelenkt. Das nach innen abgelenkte Wasser drückt sich mit in die nutzbare Wassermasse bis hin zur nächsten Prallfläche (7).On both side walls ( 1 u. 2 ) are opening slots ( 6 ) for the lateral discharge of water, since not all the water mass at the large opening ( 3 ) flows through the small opening ( 4 ) can flow to the hydropower plant. Because according to the Energy Conservation Act, the water inlet at the large opening ( 3 ) to the water outlet at the small opening ( 4 ) the product of the factors mass and speed squared to be equal. So if the flow velocity increases, which is the aim of the invention, then the mass of water between the side walls ( 1 u. 2 ) by sideways dodging become smaller. The lateral deflection of the water is as follows: In the side walls ( 1 u. 2 ) there are slots ( 6 ) in the vertical direction. At the end of each slot ( 6 ) is an impact surface ( 7 ), which is perpendicular to the direction of flow. The water in question is partially deflected outwards and inwards. The deflected water pushes itself into the usable body of water up to the next baffle ( 7 ).

Ein Ausführungsbeispiel der Erfindung ist in einer Zeichnung dargestellt.An embodiment of the invention is shown in a drawing.

ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION

Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Zitierte PatentliteraturCited patent literature

  • DE 3007552 A1 [0002] DE 3007552 A1 [0002]
  • DE 202007004375 U [0002] DE 202007004375 U [0002]

Claims (6)

Keilförmige Einengung vor Wasserkraftanlagen zur Strömungserhöhung des Fließgewässers, gekennzeichnet durch folgende Merkmale: die keilförmige Einengung besteht aus zwei Seitenwänden (1 u. 2) und einem Unterboden, den das Flussbett oder eine glatte Betonfläche bildet.Wedge-shaped constriction in front of hydropower plants to increase the flow of the flowing water, characterized by the following features: the wedge-shaped constriction consists of two side walls ( 1 u. 2 ) and a subfloor that forms the river bed or a smooth concrete surface. Keilförmige Einengung vor Wasserkraftanlagen zur Strömungserhöhung des Fließgewässers, gekennzeichnet durch folgende Merkmale: die zwei Seitenwände (1 u. 2) sind drehbar gelagert, damit sie von einem maximalen Öffnungswinkel von 30° geschwenkt werden können bis sie sich berühren und so eine Spitze bilden.Wedge-shaped constriction in front of hydropower plants for increasing the flow of the river, characterized by the following features: the two side walls ( 1 u. 2 ) are rotatably mounted, so that they can be pivoted from a maximum opening angle of 30 ° until they touch and form a tip. Keilförmige Einengung vor Wasserkraftanlagen zur Strömungserhöhung des Fließgewässers, gekennzeichnet durch folgende Merkmale: die Lager (5) der Seitenwände (1 u. 2) befinden sich an der kleinen Öffnung des Keiles vor der Wasserkraftanlage.Wedge-shaped constriction in front of hydropower plants for increasing the flow of the river, characterized by the following features: the bearings ( 5 ) of the side walls ( 1 u. 2 ) are located at the small opening of the wedge in front of the hydroelectric power plant. Keilförmige Einengung vor Wasserkraftanlagen zur Strömungserhöhung des Fließgewässers, gekennzeichnet durch folgende Merkmale: in den Seitenwänden (1 u. 2) sind Schlitze (6) vorhanden, durch die Wasser aus dem Keil entweichen kann, damit bei der Strömungserhöhung das Produkt (die Energie) aus 0,5 mal Masse mal V2 immer gleich bleibt.Wedge-shaped constriction in front of hydropower plants for increasing the flow of the flowing water, characterized by the following features: in the side walls ( 1 u. 2 ) are slots ( 6 ), through which water can escape from the wedge, so that the product (the energy) from 0.5 times the mass V 2 always remains the same during the increase in flow. Keilförmige Einengung vor Wasserkraftanlagen zur Strömungserhöhung des Fließgewässers, gekennzeichnet durch folgende Merkmale: am Ende jeden Schlitzes von der Strömungsrichtung her gesehen befindet sich ein Prallblech (7).Wedge-shaped constriction in front of hydropower plants for increasing the flow of the flowing water, characterized by the following features: seen at the end of each slot from the flow direction is a baffle plate ( 7 ). Keilförmige Einengung vor Wasserkraftanlagen zur Strömungserhöhung des Fließgewässers, gekennzeichnet durch folgende Merkmale: das Prallblech (7) steht mit 5° plus oder minus quer zur Strömungsrichtung und teilt den auftreffenden Flüssigkeitsstrom in den aus dem und in den Kanal gerichteten Flüssigkeitsanteil.Wedge-shaped constriction in front of hydropower plants for increasing the flow of the river, characterized by the following features: the baffle plate ( 7 ) is at 5 ° plus or minus across the flow direction and divides the impinging liquid flow in the directed from and into the channel liquid portion.
DE102009056488A 2009-12-01 2009-12-01 Wedge-shaped narrowing unit for use in water power plate for increasing flow of steaming water, has two side walls and lower base which forms river channel or smooth concrete surface Withdrawn DE102009056488A1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202017004960U1 (en) 2017-09-23 2018-09-26 SCHIELICKE BAU Hoch-, Tief- und Ingenieurbau GmbH Mobile groynes made of textiles / membranes for flow diversification
DE202018102634U1 (en) * 2018-05-09 2019-08-13 Rolf Rohden Turbine for a water power plant

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3007552A1 (en) 1980-02-26 1981-09-10 Kurt 7080 Aalen Hesch Power generation from natural or existing source - using flow in tapering channel driving synchronous machine, e.g. flow in estuaries caused by shipping
DE202007004375U1 (en) 2007-03-24 2007-06-06 Prywerek, Karl-Heinz Funnel for bundling of stream energy for e.g. wind power plant, has opening, where specified percentages of inflow air and/or water flow through openings and exit opening, and guiding point provided behind openings for dividing flow

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3007552A1 (en) 1980-02-26 1981-09-10 Kurt 7080 Aalen Hesch Power generation from natural or existing source - using flow in tapering channel driving synchronous machine, e.g. flow in estuaries caused by shipping
DE202007004375U1 (en) 2007-03-24 2007-06-06 Prywerek, Karl-Heinz Funnel for bundling of stream energy for e.g. wind power plant, has opening, where specified percentages of inflow air and/or water flow through openings and exit opening, and guiding point provided behind openings for dividing flow

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202017004960U1 (en) 2017-09-23 2018-09-26 SCHIELICKE BAU Hoch-, Tief- und Ingenieurbau GmbH Mobile groynes made of textiles / membranes for flow diversification
DE202018102634U1 (en) * 2018-05-09 2019-08-13 Rolf Rohden Turbine for a water power plant

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R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee

Effective date: 20120703