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WO2009113656A1 - Générateur d'énergie hydraulique - Google Patents

Générateur d'énergie hydraulique Download PDF

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Publication number
WO2009113656A1
WO2009113656A1 PCT/JP2009/054867 JP2009054867W WO2009113656A1 WO 2009113656 A1 WO2009113656 A1 WO 2009113656A1 JP 2009054867 W JP2009054867 W JP 2009054867W WO 2009113656 A1 WO2009113656 A1 WO 2009113656A1
Authority
WO
WIPO (PCT)
Prior art keywords
water
drum
guide member
screw
intake cylinder
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.)
Ceased
Application number
PCT/JP2009/054867
Other languages
English (en)
Japanese (ja)
Inventor
裕士 滝本
貞夫 谷口
弘雄 南
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.)
HOKURIKU SEIKI CO Ltd
Toyama Prefecture
Original Assignee
HOKURIKU SEIKI CO Ltd
Toyama Prefecture
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 HOKURIKU SEIKI CO Ltd, Toyama Prefecture filed Critical HOKURIKU SEIKI CO Ltd
Priority to CN200980108202.5A priority Critical patent/CN101965450B/zh
Publication of WO2009113656A1 publication Critical patent/WO2009113656A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/06—Stations or aggregates of water-storage type, e.g. comprising a turbine and a pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B17/00—Other machines or engines
    • F03B17/06—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head"
    • F03B17/061—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head" with rotation axis substantially in flow direction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
    • F03B3/16—Stators
    • F03B3/18—Stator blades; Guide conduits or vanes, e.g. adjustable
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2220/00—Application
    • F05B2220/30—Application in turbines
    • F05B2220/32—Application in turbines in water turbines
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids

Definitions

  • This invention relates to a small hydroelectric generator installed in a relatively low flow rate such as an agricultural channel.
  • the hydroelectric generator disclosed in Patent Document 1 is provided with a frame for detachably supporting the hydroelectric generator on a drop work such as an agricultural waterway.
  • a generator is installed in which a rotary shaft of a vertical shaft structure is connected to a reaction type water turbine runner vane directly or by a transmission mechanism.
  • the hydroelectric power generation apparatus includes a runner vane and a guide vane that are provided with a drive device that is automatically fully opened in the event of a power failure, equipment failure, or the like in a case, and includes these as an integrated unit.
  • JP-A-2005-320883 JP-A-2005-320883
  • the runner vane rotates in the water stream that naturally flows using the head of the irrigation channel, and the water stream does not effectively go to the runner vane, and the runner vane rotates the water stream.
  • the efficiency of conversion into power was also poor, and sufficient power generation efficiency was not obtained.
  • the structure is complicated and expensive, and maintenance is troublesome.
  • the present invention has been made in view of the above-mentioned problems of the background art, and has a compact shape, and provides a hydroelectric power generator that can efficiently generate water with high power generation efficiency by efficiently converting water energy into rotational energy.
  • the purpose is to do.
  • the present invention includes a water intake cylinder in which a central axis is provided vertically and water passes downward, a guide member provided inside the water intake cylinder and configured to flow water in a certain direction, and below the guide member.
  • a rotating screw provided and rotated by receiving water flowing from the guide member, and a generator connected to a shaft portion of the rotating screw are provided, and the guide member is positioned on a central axis of the intake cylinder and is below
  • a fixed screw that divides the space between the water squeezing drum and the water intake drum along the circumference of the water intake drum, and the mounting angle of the fixed screw is It is a hydroelectric power generator provided at an angle that is inclined with respect to the central axis direction of the intake cylinder and intersects a surface that receives the water of the rotary screw.
  • the water squeezing drum of the guide member is located at a conical portion having a central axis parallel to the central axis of the intake drum and having a diameter increasing downward, and a lower end portion of the conical portion.
  • a cylindrical portion having a smaller diameter than the intake cylinder and parallel to the intake cylinder is provided.
  • the water squeezing drum is provided with a cylindrical portion having a diameter equal to the diameter of the large-diameter portion continuous with the large-diameter portion at the lower end of the conical portion.
  • the rotating screw is provided with a vertical shaft portion and a blade portion that spirals around the side surface of the shaft portion, and the fixed screw is integrally provided on a side peripheral surface of the cylindrical portion, and the angle of the fixed screw Is provided in a direction perpendicular to the upper surface of the blade portion of the rotary screw.
  • a frame for supporting the water intake drum is provided outside the water intake drum, and the generator is attached to the upper part of the frame, and the generator is connected to the rotary screw with a shaft. It is what. Further, the hydroelectric generator is provided at a stepped portion of the irrigation channel, and the upper end edge of the intake cylinder is installed at the height of the water surface upstream of the step of the irrigation channel, The portion of the irrigation channel facing the upstream of the step is cut obliquely toward the bottom of the step upstream.
  • the hydroelectric power generator of the present invention has a compact shape, can efficiently generate power by converting the energy of the water flow into rotational energy, has a simple structure, and is inexpensive.
  • a hydroelectric generator 10 of this embodiment is provided with a gantry frame 12 assembled in a rectangular shape that is long in the vertical direction.
  • the gantry frame 12 includes a pair of parallel base portions 12a installed on a second bottom portion 52 of a water channel 44, which will be described later, two pairs of pillar portions 12b erected almost vertically on each base portion 12a, and two pairs An upper end portion 12c that connects the upper ends of the column portions 12b is provided.
  • a holding portion 12d is provided in a portion of the pillar portion 12b close to the base portion 12a in parallel to the base portion 12a with a predetermined interval.
  • a structure (not shown) for adjusting the length of the pillar portion 12b may be provided in a portion of the pillar portion 12b close to the upper end portion 12c.
  • cross members (not shown) are provided so as to intersect at right angles between the pillar portions 12b, respectively, and are assembled into a rectangular box shape.
  • a cylindrical intake cylinder 14 is provided inside the four column portions 12b of the gantry frame 12.
  • the intake cylinder 14 is vertically provided with a central axis direction opened vertically, and the upper end edge portion 14a opened upward is approximately half as long as it is obliquely cut downward to provide a cut portion 14b. It has been.
  • the lower end edge portion 14c of the intake cylinder 14 is located in the substantially horizontal direction and opened.
  • a guide member 15 is fixed inside the intake cylinder 14.
  • the guide member 15 is provided with a water squeezing drum 16 positioned on the central axis of the intake cylinder 14.
  • the water squeezing drum 16 has a central axis parallel to the intake cylinder 14 and has a conical portion 16a whose diameter increases downward and a large diameter portion at the lower end of the conical portion 16a.
  • a cylindrical portion 16b having a diameter equal to the diameter of the large-diameter portion is provided in parallel.
  • the diameter of the cylindrical part 16b is smaller than the diameter of the intake cylinder 14, and the space
  • An insertion portion 18 through which a shaft 28 described later is inserted is provided in the vertical direction on the central axis of the water squeezing drum 16.
  • a fixed screw 20 is provided on the side peripheral surface of the cylindrical portion 16 b of the water squeezing drum 16.
  • the fixed screw 20 is four rectangular plates that divide the space between the water squeezing drum 16 and the water intake drum 14 in the radial direction along the circumference of the water drum 14, and between the water squeezing drum 16 and the water intake drum 14. Is divided into four sections at equal intervals.
  • One side edge of each fixed screw 20 is fixed to the cylindrical portion 16b of the water squeezing drum 16, and the side edge opposite to the side edge is fixed to the inner peripheral surface of the water intake drum 14, and the other pair of sides. The edge is exposed inside the intake cylinder 14.
  • each fixed screw 20 is inclined so as to curve clockwise with respect to the axial direction of the intake cylinder 14, and the inclined angle is relative to the upper surface of the blade portion 26 of the rotary screw 22 described later. It is provided so as to face almost at right angles.
  • the right angle includes an angle of around 90 degrees.
  • Each fixed screw 20 is slightly curved in the thickness direction downward.
  • a rotating screw 22 is provided below the guide member 15.
  • the rotary screw 22 is provided with a substantially vertical shaft portion 24, and four blade portions 26 are provided on the side peripheral surface of the shaft portion 24.
  • Each blade part 26 is provided in a spiral shape that moves counterclockwise downward with respect to the axial direction of the shaft part 24, and four blade parts 26 are provided in parallel to each other.
  • a shaft 28 is connected to the shaft portion 24 of the rotary screw 22.
  • the shaft 28 is fixed through the shaft portion 24 of the rotary screw 22, extends substantially vertically above the shaft portion 24, and is rotatably inserted into the through hole 18 formed in the water squeezing drum 16 of the guide member 15. Further, it extends upward and reaches the upper end portion 12 c of the gantry frame 12.
  • An upper end portion 28 a of the shaft 28 is supported by a bearing 30 fixed to the upper end portion 12 c of the gantry frame 12 and is connected to a coupling 32.
  • the coupling 32 is connected to the speed increaser 34.
  • another shaft 36 is provided to extend upward from the speed increaser 34, and the shaft 36 is connected to the generator 40 through a coupling 38.
  • the lower end portion 28 b of the shaft 28 extends below the shaft portion 24 of the rotary screw 22 and reaches the holding portion 12 d of the gantry frame 12. And it is rotatably supported by the bearing 42 fixed to the holding
  • the water channel 44 to which the hydroelectric generator 10 is attached is protected on both sides by a pair of side wall portions 46, and a shallow first bottom portion 48 is formed between the side wall portions 46.
  • a step portion 50 that extends substantially vertically downward continues, and further, a second bottom portion 52 that is deeper than the first bottom portion 48 continues to the step portion 50.
  • the hydroelectric generator 10 is installed in the vicinity of the step portion 50 of the irrigation channel 44, is placed so that the column portion 12 b of the gantry frame 12 is substantially in contact with the step portion 50, and the base portion 12 a is installed on the second bottom portion 52.
  • the cut-out portion 14 b of the intake cylinder 14 is set so as to face the first bottom portion 48, and the lower end portion of the cut-out portion 14 b is set to be substantially the same height as the first bottom portion 48.
  • the height adjustment function is provided in the column part 12 b of the gantry frame 12, the height is adjusted according to the step part 50 of the irrigation channel 44.
  • the water that has flowed through the first bottom 48 of the irrigation channel 44 falls at the stepped portion 50 and flows into the intake cylinder 14 of the hydroelectric generator 10 through the cut portion 14b.
  • the water flowing into the intake cylinder 14 falls vertically, hits the guide member 15, flows into the space between the water squeezing drum 16 and the fixed screw 20 of the guide member 15, and the side peripheral surface of the water squeezing drum 16 and the fixed screw 20 It flows down along the extension line.
  • the position of the flow-down is in the vicinity of the edge of the blade portion 26 of the rotary screw 22 away from the shaft portion 24, and the flow-down angle is substantially perpendicular to the upper surface of the blade portion 26.
  • the shafts 28 and 36 rotate and power is generated by the generator 40.
  • 3 kW of power can be generated by the irrigation channel 44 having the step portion 50 having a drop of 3 m or less.
  • the water that has passed through the rotating screw 22 falls to the second bottom portion 52 and flows through the second bottom portion 52.
  • the hydroelectric power generation apparatus 10 of this embodiment has a simple structure and a compact shape, and can generate power by efficiently converting water energy into rotational energy. Since the structure is simple, it is inexpensive, easy to move, and easy to maintain, and can be used easily. The flow of water falling almost vertically from the level difference of the irrigation channel is changed to a direction in which the efficiency is improved by the guide member 15, and water can be applied to the optimal location of the blade portion 26 of the rotary screw 22 at an optimal angle. As a result, the power generation efficiency is good, and even when the amount of water flowing through the irrigation channel 44 is small, it is possible to reliably generate power by increasing the flow rate. Since the hydroelectric generator 10 is small, it can be used even when the head 50 has a head drop of about 2 meters, and it can be installed in various places because it saves space. It has the contradicting effects of saving space and good power generation efficiency.
  • each member can be changed suitably.
  • the guide member may have any shape as long as it directs the flow of water in a suitable direction. Further, the shape, number, angle, and the like of the blade portion of the rotating screw can be appropriately changed.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Hydraulic Turbines (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

Le générateur d'énergie hydraulique selon l'invention comprend un tambour cylindrique d'admission d'eau (14) dont la direction axiale est positionnée dans la direction verticale et à travers lequel de l'eau circule vers le bas, un organe formant guide (15) qui est disposé dans le tambour d'admission d'eau (14) et permet à l'eau de circuler dans une direction spécifiée, et une vis rotative (22) disposée sous l'organe formant guide (15) et mise en rotation par réception de l'eau écoulée depuis l'organe formant guide (15). L'organe formant guide (15) comprend un tambour d'étranglement d'eau (16) positionné sur l'axe central du tambour d'admission d'eau (14) et ayant un diamètre progressivement croissant dans une direction dirigée vers le bas, et une vis fixe (20) qui divise l'espace entre le tambour d'étranglement d'eau (16) et le tambour d'admission d'eau (14) suivant la circonférence du tambour d'admission d'eau (14). L'angle de montage de la vis fixe (20) est amené à s'incliner par rapport à la direction axiale du tambour d'admission d'eau (14), et à couper les surfaces de la vis rotative (22) qui reçoivent l'eau.
PCT/JP2009/054867 2008-03-13 2009-03-13 Générateur d'énergie hydraulique Ceased WO2009113656A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200980108202.5A CN101965450B (zh) 2008-03-13 2009-03-13 水力发电装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008-064620 2008-03-13
JP2008064620A JP4558055B2 (ja) 2008-03-13 2008-03-13 水力発電装置

Publications (1)

Publication Number Publication Date
WO2009113656A1 true WO2009113656A1 (fr) 2009-09-17

Family

ID=41065317

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2009/054867 Ceased WO2009113656A1 (fr) 2008-03-13 2009-03-13 Générateur d'énergie hydraulique

Country Status (4)

Country Link
JP (1) JP4558055B2 (fr)
KR (1) KR20100129755A (fr)
CN (1) CN101965450B (fr)
WO (1) WO2009113656A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2420668A2 (fr) 2010-08-17 2012-02-22 Perga Ingenieros, S.L. Dispositif turbogénérateur pour générer de l'énergie dans une alimentation de formation aquifère et procédé correspondant
WO2012034616A1 (fr) * 2010-09-15 2012-03-22 P.E.A.C.E.-Power Water And Wastewater Gmbh Convertisseur hydraulique

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011122577A (ja) * 2009-12-09 2011-06-23 Osamu Nagao 自然河川発電システム
RU2563287C2 (ru) * 2010-08-18 2015-09-20 Владимир Григорьевич Иванов Водонапорный двигатель
JP2014156858A (ja) * 2013-01-15 2014-08-28 Lens Co Ltd 水力発電装置およびその設置方法
JP5517010B1 (ja) * 2013-05-28 2014-06-11 納 長尾 水力発電装置
RU2561819C2 (ru) * 2013-12-13 2015-09-10 Степан Павлович Филипчук Гидроаккумулирующая электростанция для высоких напоров воды
CN106121900B (zh) * 2016-08-19 2018-10-02 浙江景宁周氏机械有限公司 高效水轮发电机
JP6130965B1 (ja) * 2016-12-20 2017-05-17 株式会社Ｗｇｅ 流体機械、発電装置及び増圧装置
JP6249543B1 (ja) * 2017-05-16 2017-12-20 株式会社Ｗｇｅ 流体機械
KR102337144B1 (ko) * 2021-04-30 2021-12-09 한국친환경에너지기술(주) 소수력 발전장치
KR102337146B1 (ko) * 2021-04-30 2021-12-13 한국친환경에너지기술(주) 소수력 발전장치
KR102337145B1 (ko) * 2021-04-30 2021-12-09 한국친환경에너지기술(주) 소수력 발전장치
WO2024071334A2 (fr) 2022-09-30 2024-04-04 Ricoh Company, Ltd. Procédé de production d'un générateur d'énergie hydroélectrique et générateur d'énergie hydroélectrique

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Publication number Priority date Publication date Assignee Title
JPS60195383A (ja) * 1984-03-19 1985-10-03 Koichi Totsugi 河川の固定堰を利用した発電装置
JPS62200180U (fr) * 1986-06-10 1987-12-19
JP2004124829A (ja) * 2002-10-03 2004-04-22 Howa Mach Ltd 小電力発電用の水力発電装置
JP2006189014A (ja) * 2005-01-07 2006-07-20 Kawasaki Heavy Ind Ltd 水力発電装置
JP2007205212A (ja) * 2006-01-31 2007-08-16 Nishida Marine Boiler Co Ltd 発電装置付きゲート
JP2008014246A (ja) * 2006-07-06 2008-01-24 Kawasaki Heavy Ind Ltd 水力発電機

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JPS60249673A (ja) * 1984-05-24 1985-12-10 Koichi Totsugi 水車
CN2180808Y (zh) * 1993-11-15 1994-10-26 赵贵 一种无轮毂高性能理想螺旋泵
JP2000010546A (ja) * 1998-06-23 2000-01-14 Victor Co Of Japan Ltd コンピュータ信号発生装置
KR100728421B1 (ko) * 1999-10-05 2007-06-13 액세스 비지니스 그룹 인터내셔날 엘엘씨 수처리 시스템에 대한 수력발전
CN2611623Y (zh) * 2002-05-20 2004-04-14 四川工业学院 轴伸斜流式水轮机
JP4148519B2 (ja) * 2004-05-07 2008-09-10 電源開発株式会社 農業用水路等の落差工に設置する水力発電装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60195383A (ja) * 1984-03-19 1985-10-03 Koichi Totsugi 河川の固定堰を利用した発電装置
JPS62200180U (fr) * 1986-06-10 1987-12-19
JP2004124829A (ja) * 2002-10-03 2004-04-22 Howa Mach Ltd 小電力発電用の水力発電装置
JP2006189014A (ja) * 2005-01-07 2006-07-20 Kawasaki Heavy Ind Ltd 水力発電装置
JP2007205212A (ja) * 2006-01-31 2007-08-16 Nishida Marine Boiler Co Ltd 発電装置付きゲート
JP2008014246A (ja) * 2006-07-06 2008-01-24 Kawasaki Heavy Ind Ltd 水力発電機

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2420668A2 (fr) 2010-08-17 2012-02-22 Perga Ingenieros, S.L. Dispositif turbogénérateur pour générer de l'énergie dans une alimentation de formation aquifère et procédé correspondant
WO2012034616A1 (fr) * 2010-09-15 2012-03-22 P.E.A.C.E.-Power Water And Wastewater Gmbh Convertisseur hydraulique

Also Published As

Publication number Publication date
CN101965450B (zh) 2014-04-30
JP4558055B2 (ja) 2010-10-06
CN101965450A (zh) 2011-02-02
KR20100129755A (ko) 2010-12-09
JP2009221882A (ja) 2009-10-01

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