FR2522072A1 - HORIZONTAL AXIS HYDROELECTRIC TURBINE GROUP - Google Patents

HORIZONTAL AXIS HYDROELECTRIC TURBINE GROUP Download PDF

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Publication number
FR2522072A1
FR2522072A1 FR8202749A FR8202749A FR2522072A1 FR 2522072 A1 FR2522072 A1 FR 2522072A1 FR 8202749 A FR8202749 A FR 8202749A FR 8202749 A FR8202749 A FR 8202749A FR 2522072 A1 FR2522072 A1 FR 2522072A1
Authority
FR
France
Prior art keywords
turbine
group
valve
horizontal axis
acting
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.)
Granted
Application number
FR8202749A
Other languages
French (fr)
Other versions
FR2522072B1 (en
Inventor
Paul Morel
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.)
Neyrpic SA
Original Assignee
Neyrpic SA
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 Neyrpic SA filed Critical Neyrpic SA
Priority to FR8202749A priority Critical patent/FR2522072A1/en
Priority to IN31/DEL/83A priority patent/IN159548B/en
Priority to GB08303366A priority patent/GB2115497B/en
Priority to PH28524A priority patent/PH25881A/en
Priority to AR292133A priority patent/AR229638A1/en
Priority to KR1019830000648A priority patent/KR920009303B1/en
Priority to ES519914A priority patent/ES519914A0/en
Publication of FR2522072A1 publication Critical patent/FR2522072A1/en
Application granted granted Critical
Publication of FR2522072B1 publication Critical patent/FR2522072B1/fr
Granted legal-status Critical Current

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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
    • F03B15/00—Controlling
    • F03B15/02—Controlling by varying liquid flow
    • F03B15/04—Controlling by varying liquid flow of turbines
    • F03B15/06—Regulating, i.e. acting automatically
    • F03B15/18—Regulating, i.e. acting automatically for safety purposes, e.g. preventing overspeed
    • 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
    • F03B3/02—Machines or engines of reaction type; Parts or details peculiar thereto with radial flow at high-pressure side and axial flow at low-pressure side of rotors, e.g. Francis 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

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Hydraulic Turbines (AREA)
  • Control Of Water Turbines (AREA)

Abstract

GROUPE HYDROELECTRIQUE UTILISANT UNE TURBINE OU UNE TURBINE-POMPE A AXE HORIZONTAL, LEDIT GROUPE ETANT A STRUCTURE COMPACTE. IL COMPORTE UN ORGANE DE GARDE CONSTITUE PAR UNE VANNE CYLINDRIQUE 6 COAXIALE A LA TURBINE, DISPOSEE ENTRE LA BACHE 1 ET LA ROUE 4 ET RELIEE PAR UN SYSTEME A TIGE 7 BIELLETTES 8, ARBRE 9 ET LEVIERS 91, 92, A UN DISPOSITIF DE FERMETURE AUTOMATIQUE COMPORTANT UN CONTRE-POIDS 10 AGISSANT EN CAS DE PERTE DE PRESSION D'HUILE DANS LE VERIN D'OUVERTURE 11.HYDROELECTRIC GROUP USING A TURBINE OR A HORIZONTAL SHAFT TURBINE-PUMP, THESE GROUP BEING A COMPACT STRUCTURE. IT INCLUDES A GUARD CONSTITUTED BY A CYLINDRICAL VALVE 6 COAXIAL WITH THE TURBINE, ARRANGED BETWEEN BAG 1 AND WHEEL 4 AND CONNECTED BY A ROD SYSTEM 7 RODS 8, SHAFT 9 AND LEVERS 91, 92, TO A CLOSING DEVICE AUTOMATIC WITH A COUNTERWEIGHT 10 ACTING IN THE EVENT OF LOSS OF OIL PRESSURE IN THE OPENING CYLINDER 11.

Description

La présente invention se rapporte à un groupe hydroélectriqueThe present invention relates to a hydroelectric group

utilisant une turbine ou une turbine-pompe à axe horizontal.  using a turbine or a horizontal axis turbine-pump.

Les installations connues de ce type comportent en général une turbinepompe ou une turbine, par exemple une turbine Francis, en amont de laquelle est placé un robinet de garde servant également d'organe  Known installations of this type generally comprise a turbine pump or a turbine, for example a Francis turbine, upstream of which is placed a guard valve also serving as an

de sécurité.of security.

Ces installations de type connu sont assez encombrantes en rai-  These known type of installations are rather cumbersome in

son de la place supplémentaire nécessitée par l'organe de garde, et il serait souhaitable, pour diminuer le prix de la centrale, d'avoir une sc  of the additional space required by the guard, and it would be desirable, in order to reduce the price of the plant, to have a

lution permettant une plus grande compacité.  lution allowing greater compactness.

Le groupe hydroélectrique à turbine à axe horizontal selon l'I  Hydroelectric turbine group with horizontal axis according to I

vention permet d'obtenir une telle compacité, et donc de diminuer gran-  vention makes it possible to obtain such a compactness, and therefore to decrease

dement le prix de revient de l'ensemble de la centrale hydroélectrique  the cost price of the entire hydroelectric plant

Il est caractérisé en ce qu'il est muni d'un robinet de garde consti-  It is characterized in that it is provided with a guard valve constituting

tué par une vanne cylindrique coaxiale A la turbine et placée entre la bâche d'alimentation et la roue, ladite-vanne cylindrique étant équipéi d'un dispositif de commande d'ouverture et de fermeture entraînant sa fermeture automatique en cas d'incident de fonctionnement du groupe, t,  killed by a coaxial cylindrical valve A turbine and placed between the feed sheet and the wheel, said cylindrical valve being equipped with an opening and closing control device causing its automatic closure in case of an operating incident group, t,

le qu'une baisse de tension électrique au réseau ou une perte de pres-  that a drop in electrical voltage to the grid or a loss of pressure

sion d'huile dans les circuits associés à la centrale.  oil flow in the circuits associated with the plant.

L'invention sera maintenant décrite de manière plus détaillée  The invention will now be described in more detail

l'aide de la description suivante d'un groupe hydroélectrique de peti-  with the following description of a small hydropower group

te puissance utilisant une turbine Francis à axe horizontal, en réfère ce aux dessins annexés dans lesquels: la figure 1 est une vue en bout selon la direction F de la figure 2 groupe à turbine Francis conforme à l'invention, la figure 2 est une vue en coupe partielle, selon la direction AA de fiç, ire 1, du groupe conforme à l'invention, la figure 3 est une vue agrandie montrant les dispositifs d'étanchéi  the power using a horizontal axis Francis turbine, with reference to the accompanying drawings in which: Figure 1 is an end view in the direction F of Figure 2 Francis turbine unit according to the invention, Figure 2 is a partial sectional view, in the direction AA of fi cire 1, the group according to the invention, Figure 3 is an enlarged view showing the sealing devices

associés à la vanne cylindrique équipant la turbine de l'invention.  associated with the cylindrical valve equipping the turbine of the invention.

En se référant à l'ensemble des figures I et 2, la référence 1 désigne la bâche spirale par laquelle l'eau motrice accède, de manièr E très classique, aux ailettes directrices fixes en position constituant  Referring to all of FIGS. 1 and 2, reference numeral 1 denotes the spiral cover by which the driving water accesses, in a very conventional manner, the fixed guide vanes in the constituent position

l'avant-distributeur 2, puis au distributeur mobile 3 avant de péné-  the before-distributor 2, then to the mobile distributor 3 before penetrating

trer dans la roue 4 de la turbine Francis, d'o elle est ensuite évacuée  in the wheel 4 of the Francis turbine, from where it is then evacuated

par le coude d'aspiration 5.by the suction elbow 5.

Conformément a l'invention, entre l'avant-distributeur 2 et le distributeur mobile 3 est disposédne vanne cylindrique 6 de même axe que celui de la turbine Cette vanne est constituée, de manière classique, paz  According to the invention, between the front distributor 2 and the mobile distributor 3 is disposed cylindrical valve 6 of the same axis as that of the turbine This valve is constituted, in conventional manner, paz

une virole cylindrique épaisse.a thick cylindrical shell.

La vanne 6 est guidée sur sa surface extérieure par quelques ai-  The valve 6 is guided on its outer surface by a few

l O lettes, ou avant-directrices, de l'avant-distributeur 2, qui comportent  l O tertings, or pre-guidelines, of the pre-distributor 2, which include

en conséquence sur leur extrémité un revêtement usiné facilitant le glis-  consequently on their end a machined coating facilitating the sliding

sement, tel que par exemple un revêtement en bronze.  such as, for example, a bronze coating.

Comme on le voit sur les dessins, la virole 6 est reliée par  As can be seen in the drawings, the ferrule 6 is connected by

des tiges 7 et des biellettes 8 à un dispositif à leviers( 91,92) et ar-  rods 7 and rods 8 to a levers device (91, 92) and

bre 9 qui supporte d'une part, par le levier 91, un contrepoids 10, et  9 which supports on the one hand, by the lever 91, a counterweight 10, and

qui d'autre part est rigidement accouplé, par le levier 92, a l'extrémi-  which on the other hand is rigidly coupled, by the lever 92, to the end

té de la tige d'un vérin hydraulique 11 à simple effet et à commande a  rod end of a hydraulic cylinder 11 with single acting and control

huile, la pression d'huile de manoeuvre étant fournie par la pompe four-  oil, the operating oil pressure being supplied by the pump

nissant là pression d'huile de manoeuvre du vannage du distributeur 3.  setting the operating oil pressure of the distributor valve 3.

Lorsqe Lue l vérin hydraulique 11 est alimenté en pression d'hui-  When the hydraulic cylinder 11 is fed with oil pressure,

le, c'est-a-dire lorsque la centrale fonctionne sans incident, la vanne est maintenue en position ouverte par l'action du dispositif à levier,  the, that is to say when the unit operates without incident, the valve is held in the open position by the action of the lever device,

biellettes, et tige précité, comme il est apparent sur la figure 2.  rods, and aforesaid rod, as is apparent in Figure 2.

Dans le cas d'incident entraînant une perte de pression d'huile,  In the event of an incident causing a loss of oil pressure,

le contrepoids 10 entrarne, par action du levier 91, la fermeture auto-  the counterweight 10 entrains, by action of the lever 91, the self-closing

matique de la vanne.the valve.

La vitesse de manoeuvre de la vanne est rendue suffisamment len-  The operating speed of the valve is sufficiently slow

te.en agissant sur la dimension de l'orifice de la pastille d'évacuation  by acting on the size of the orifice of the discharge pellet

d'huile du vérin 11.of cylinder oil 11.

Dans le cas d'une machine à distributeur fixe, ou sans distribu-  In the case of a machine with a fixed distributor, or without

teur, la pression d'huile de manoeuvre du vérin Il est avantageusement  tor, the actuator oil pressure of the cylinder is advantageously

fournie par un petit groupe de pompage prévu à cet effet.  provided by a small pumping group provided for this purpose.

La figure 3 est une vue de détail montrant, en coupe, la con-  FIG. 3 is a detailed view showing, in section, the con-

figuration des joints permettant d'assurer l'étanchéité de fermeture de la vanne cylindrique 6 équipant la turbine de l'invention Comme on le voit sur le dessin, ce dispositif d'étanchéité comporte d'une part un joint 13 placé à l'entrée du logement de la vanne, et d'autre part un  FIGURE OF THE SEALS FOR Sealing the closing of the cylindrical valve 6 equipping the turbine of the invention As can be seen in the drawing, this sealing device comprises on the one hand a seal 13 placed at the entrance of the valve housing, and secondly a

joint 12 maintenu par une pièce 14 et agissant en fin de course de ferme-  seal 12 held by a piece 14 and acting at the end of the closing stroke.

ture de la virole 6.ferrule 6.

Il va de soi que l'invention n'est pas limitée au dispositif de fermeture automatique à contrepoids qui vient d'être décrit à titre d'exemple préférentiel On pourrait très bien par exemple remplacer le contrepoids 10 par un ressort, ou bien remplacer l'ensemble( 10,11) par un vérin hydraulique à double effet dont la chambre d'ouverture serait  It goes without saying that the invention is not limited to the automatic counterweight closing device which has just been described as a preferred example. For example, the counterweight 10 could for example be replaced by a spring, or the together (10,11) by a double-acting hydraulic cylinder whose opening chamber would be

alimentée en huile sous pression, et dont la chambre de fermeture se-  fed with oil under pressure, and whose closing chamber se-

rait alimentée par la pression d'eau correspondant à la chute.  would be fed by the water pressure corresponding to the fall.

Claims (3)

REVENDICATIONS 1 Groupe hydroélectrique à turbine ou turhine-pompe a axe  1 Hydroelectric turbine or turbine-axis pump horizontal, caractérisé en ce qu'il est muni d'un robinet de garde cons-  horizontal, characterized in that it is provided with a guard valve constituting titué par une vanne cylindrique( 6) coaxiale à la turbine et placée en-  placed by a cylindrical valve (6) coaxial with the turbine and placed tre la bàche d'alimentation( 1) et la roue( 4), ladite vanne cylindrique étant équipée d'un dispositif(O 1,11,91,g 2,9-,8,7) de commande d'ouverture et de fermeture entraînant sa fermeture automatique en cas d'incidents de fonctionnement du groupe, telle une baisse de tension électrique au réseau ou une perte de pression d'huile dans les circuits associés a la centrale.  the feed beam (1) and the wheel (4), said cylindrical valve being equipped with a device (O 1,11,91, g 2,9-, 8,7) for controlling opening and Closing causing it to close automatically in the event of malfunctions of the group, such as a drop in the grid voltage or a loss of oil pressure in the circuits associated with the plant. 2 Groupe hydroélectrfque selon la revendication 1, caractérisé en ce que ledit dispositif de commande est un dispositif a vérin( 11) à2 hydroelectric unit according to claim 1, characterized in that said control device is a cylinder device (11) to simple-effet et à contrepoids ( 10) ou ressort.  single-acting and counterweight (10) or spring. 3 Groupe hydroélectrique selon la revendication 1, caractérisé en ce que ledit dispositif de commande comporte un vérin a double effet  3 hydroelectric unit according to claim 1, characterized in that said control device comprises a double-acting cylinder dont une chambre est alimentée a partir de la chute.  which a room is fed from the fall.
FR8202749A 1982-02-19 1982-02-19 HORIZONTAL AXIS HYDROELECTRIC TURBINE GROUP Granted FR2522072A1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR8202749A FR2522072A1 (en) 1982-02-19 1982-02-19 HORIZONTAL AXIS HYDROELECTRIC TURBINE GROUP
IN31/DEL/83A IN159548B (en) 1982-02-19 1983-01-18
GB08303366A GB2115497B (en) 1982-02-19 1983-02-08 Hydroelectric assembly with a horizontal-axis turbine
PH28524A PH25881A (en) 1982-02-19 1983-02-16 Hydroelectric assembly having a horizontal-axle
AR292133A AR229638A1 (en) 1982-02-19 1983-02-16 HYDROELECTRIC GROUP FOR TURBINE OR HORIZONTAL SHAFT PUMP-TURBINE
KR1019830000648A KR920009303B1 (en) 1982-02-19 1983-02-17 Hydroelectric assembly having a horizontal-axle turbine
ES519914A ES519914A0 (en) 1982-02-19 1983-02-18 IMPROVEMENTS IN HYDROELECTRIC GROUPS FOR TURBINES OR HORIZONTAL SHAFT PUMP-TURBINES.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8202749A FR2522072A1 (en) 1982-02-19 1982-02-19 HORIZONTAL AXIS HYDROELECTRIC TURBINE GROUP

Publications (2)

Publication Number Publication Date
FR2522072A1 true FR2522072A1 (en) 1983-08-26
FR2522072B1 FR2522072B1 (en) 1984-04-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
FR8202749A Granted FR2522072A1 (en) 1982-02-19 1982-02-19 HORIZONTAL AXIS HYDROELECTRIC TURBINE GROUP

Country Status (7)

Country Link
KR (1) KR920009303B1 (en)
AR (1) AR229638A1 (en)
ES (1) ES519914A0 (en)
FR (1) FR2522072A1 (en)
GB (1) GB2115497B (en)
IN (1) IN159548B (en)
PH (1) PH25881A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112128040B (en) * 2020-09-23 2022-05-24 国家电网有限公司 Inspection method for upper and lower leak-stopping rings of vertical shaft mixed-flow water turbine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE330639C (en) * 1919-01-24 1920-12-20 Grevenbroich Maschf Control device for free jet water turbines for direct drive of centrifuges
FR1098315A (en) * 1954-03-27 1955-07-22 Charmilles Sa Ateliers Hydraulic turbine
FR1270556A (en) * 1960-07-04 1961-09-01 Neyrpic Ets Improvements to the control of cylindrical valves
FR2286960A1 (en) * 1974-10-03 1976-04-30 Charmilles Sa Ateliers PROCESS FOR ADJUSTING THE FLOW OF A PUMP EQUIPPED WITH AN ADJUSTABLE DIFFUSER WITH MOVING BLADES

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE330639C (en) * 1919-01-24 1920-12-20 Grevenbroich Maschf Control device for free jet water turbines for direct drive of centrifuges
FR1098315A (en) * 1954-03-27 1955-07-22 Charmilles Sa Ateliers Hydraulic turbine
FR1270556A (en) * 1960-07-04 1961-09-01 Neyrpic Ets Improvements to the control of cylindrical valves
FR2286960A1 (en) * 1974-10-03 1976-04-30 Charmilles Sa Ateliers PROCESS FOR ADJUSTING THE FLOW OF A PUMP EQUIPPED WITH AN ADJUSTABLE DIFFUSER WITH MOVING BLADES

Also Published As

Publication number Publication date
ES8401192A1 (en) 1983-12-01
FR2522072B1 (en) 1984-04-06
GB2115497B (en) 1985-05-01
ES519914A0 (en) 1983-12-01
AR229638A1 (en) 1983-09-30
PH25881A (en) 1991-12-02
KR840003735A (en) 1984-09-15
IN159548B (en) 1987-05-23
GB2115497A (en) 1983-09-07
GB8303366D0 (en) 1983-03-16
KR920009303B1 (en) 1992-10-15

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