EP3592977A1 - Turbopompe pour un circuit fluidique, notamment pour un circuit ferme en particulier de type a cycle de rankine - Google Patents
Turbopompe pour un circuit fluidique, notamment pour un circuit ferme en particulier de type a cycle de rankineInfo
- Publication number
- EP3592977A1 EP3592977A1 EP18706447.2A EP18706447A EP3592977A1 EP 3592977 A1 EP3592977 A1 EP 3592977A1 EP 18706447 A EP18706447 A EP 18706447A EP 3592977 A1 EP3592977 A1 EP 3592977A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pump
- turbine
- turbopump
- rotor
- belt
- 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
Links
- 239000012530 fluid Substances 0.000 title description 21
- 238000007789 sealing Methods 0.000 claims description 8
- 210000003027 ear inner Anatomy 0.000 claims description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910001868 water Inorganic materials 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/04—Units comprising pumps and their driving means the pump being fluid driven
- F04D13/043—Units comprising pumps and their driving means the pump being fluid driven the pump wheel carrying the fluid driving means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K25/00—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for
- F01K25/08—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/406—Casings; Connections of working fluid especially adapted for liquid pumps
Definitions
- Turbopump for a fluidic circuit in particular for a closed circuit, in particular of the Rankine cycle type
- the present invention relates to a turbopump used for a fluidic circuit, in particular for a closed circuit, in particular of the Rankine cycle type.
- a turbopump is a machine that includes a turbine and a pump (or a compressor) so that a portion of the energy recovered by the turbine drives the pump (or compressor).
- the turbine and the pump (or the compressor) are mounted at the ends of a single rotating shaft.
- This machine is provided with lubrication bearings placed generally on the central part of the rotation shaft.
- the turbine and the pump (or the compressor) are mounted at the ends of this rotation shaft which requires, on the one hand, relatively long shafts and, on the other hand, a sealing system making it possible to separate the system from lubrication of effluents.
- turbopump will be used for a machine that includes both a turbine and a pump that a turbine and a compressor and the term “pump” will concern both a pump and a compressor. As better described in US Pat. No. 7,044,718, it is already known to reduce the length of the shaft and therefore the axial size of the turbopump.
- the turbine and the pump are nested one inside the other so that the channels of the turbine and those of the pump are also nested within each other around the rotation shaft, which makes it possible to reduce in a substantial way the axial length of the machine.
- the present invention proposes to further reduce the length of the rotation shaft and therefore the size of the turbopump. It also reduces the number of bearings and simplifies the lubrication circuits.
- the present invention relates to a turbopump comprising a stationary housing comprising a pump with a pump rotor comprising pump vanes and a turbine housing a turbine rotor carrying turbine vanes, characterized in that the turbopump comprises a rotor turbine located coaxially around the rotor of the pump on the same plane perpendicular to the axis of said rotors.
- the pump rotor may comprise radial fins bearing on their ends a circumferential belt.
- the circumferential belt may carry radial turbine rotor blades disposed coaxially and above the vanes of the pump rotor.
- the radial ends of the turbine rotor blades may carry a circumferential closed band substantially coaxial with the belt.
- the belt may comprise sealing means with the fixed housing.
- the sealing means may comprise a set of labyrinths at each end of the belt.
- the X axis the orthonormal reference (X, Y, Z) of the figure is both the axis of the turbine rotor and the axis of the pump rotor.
- the turbine and pump rotors are on the same plane, parallel to the YZ plane of the orthonormal mark ( ⁇ , ⁇ , ⁇ ), the YZ plane of the marker being orthogonal to the X axis.
- the turbopump 10 comprises a fixed housing 12 which houses the rotating part 14 of a pump 16 (or pump rotor) and the rotating part 18 of a turbine 20 (or turbine rotor).
- the pump rotor comprises a cylindrical shaft 22 connected at one end to a hub 24 of substantially frustoconical shape with a concave circumferential wall 26.
- This wall carries a plurality of fins 28 projecting radially from the wall and regularly spaced on the outer periphery of this wall.
- the fins comprise a leading edge 30 at a distance from the free end of the hub 24, a trailing edge 32 remote from the base of the frustoconical hub 24, and a radial outer end 34 of curvature substantially identical to that of the wall concave 26.
- a curved circumferential belt 36 is placed, advantageously by shrinking, on the radial ends 34 of the fins, in particular to reduce the losses due to the flows.
- This pump rotor is placed in the stationary housing 12 which comprises an axial bearing 38 for receiving the shaft 22 of the pump rotor, a sealing system 39 associated with the bearing 38, an axial inlet 40 of a fluid in situ. view of the hub 24 and which is coaxial with the bearing being placed upstream of the fins, and a radial outlet 42 of fluid which is in communication with the downstream portion of these fins.
- This outlet 42 is preferably volute-shaped to direct the fluid to the device it must feed.
- the pump thus comprises the shaft 22, the hub 24 with the concave wall 26, the fins 28, the belt 36, and a portion of the fixed housing with the bearing 38, the fluid inlet 40 and the fluid outlet 42.
- the belt 36 carries, on the opposite side of the belt carrying the fins 28 of the pump, a multiplicity of fins 44 projecting radially and regularly spaced around the outer edge of this belt. These fins constitute the fins of the turbine and are coaxial and substantially in the same radial plane as the fins of the pump.
- the blades of the turbine comprise a leading edge 46, a trailing edge 48, and a radial outer end 50 of curvature substantially identical to that of the belt.
- a curved circumferential closed band 52 may be advantageously shrunk onto the radial outer ends 50 of the turbine blades 44 coaxially with the belt of the pump fins.
- the turbine rotor is thus formed by the belt 36, the fins 44 of the turbine and possibly the strip 52 of the blades of the turbine being mounted on the peripheral portion of the rotor of the pump thus forming an integral part of this pump rotor .
- This turbine rotor is placed in the stationary housing 12 which comprises a fluid inlet 54, advantageously volute-shaped facing the leading edge 46, turbine blades 44 and a fluid outlet 56 facing each other. the trailing edge 48 of these turbine blades.
- This configuration allows a direct drive of the compressor by the turbine through the blades of the turbine and the belt.
- the force exerted by the fluid on the blades of the turbine, associated with a large radius around the pump rotor contributes to providing a higher work than would be necessary to drive the compressor.
- the turbine can operate without power supply, especially without an electric motor. It is then driven only by the fluid.
- the pump may not be driven by a power supply. It does not require an electric motor and is driven only by the turbine.
- these sealing means may be a set of labyrinths 58, 60 with, as illustrated by way of example in the figure, a blade 62 formed at each end of the belt which penetrates into grooves 64, 66.
- L one of the grooves 66 is disposed between the inlet 54 of the turbine and the outlet 42 of the pump and the other 64 of the grooves is located between the inlet 40 of the pump and the outlet 56 of the turbine.
- the seal is improved by ensuring on the one hand an equi-pressure between the output of the pump 42 and the inlet of the turbine 54 (high pressure side), on the other hand, an equi-pressure between the inlet of the pump 40 and the outlet of the turbine 56 (low pressure side).
- turbopump as described above can be used in many fields, such as petroleum, aeronautical,
- This turbopump more particularly finds its application with a closed circuit, in particular of Rankine cycle type 68 as illustrated in the single figure.
- This Rankine cycle closed circuit is advantageously of the ORC (Organic Rankine Cycle) type and uses an organic working fluid or mixtures of organic fluids, such as butane, ethanol and hydrofluorocarbons.
- ORC Organic Rankine Cycle
- the closed circuit can also operate with a fluid such as ammonia, water, carbon dioxide, etc.
- a fluid such as ammonia, water, carbon dioxide, etc.
- the outlet 42 of the pump is connected to a heat exchanger 70, called evaporator, traversed by the working fluid compressed by the pump and by means of which the working fluid emerges from this evaporator in the form of compressed vapor.
- This evaporator is also traversed by a hot source 72, in liquid or gaseous form so as to be able to yield its heat to the working fluid.
- This hot source makes it possible to carry out the vaporization of the fluid and can come from various hot sources, such as a cooling liquid of a combustion engine, an industrial process, a furnace, hot gases resulting from combustion (fumes from an industrial process, a boiler, or a turbine, etc.), a heat flux from solar thermal collectors, etc.
- various hot sources such as a cooling liquid of a combustion engine, an industrial process, a furnace, hot gases resulting from combustion (fumes from an industrial process, a boiler, or a turbine, etc.), a heat flux from solar thermal collectors, etc.
- the outlet of the evaporator is connected to the inlet 54 of the turbine 20 to admit the working fluid in the form of vapor compressed at high pressure, this fluid emerging through the outlet 56 of this turbine in the form of steam expanded to low pressure.
- the outlet 56 of the turbine is connected to a cooling exchanger 74, or condenser, which transforms the low pressure low pressure it receives into a low pressure liquid fluid.
- This condenser is swept by a cold source, usually a flow of ambient air or cooling water, so as to cool the expanded steam so that it condenses and turns into a liquid.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1751848A FR3063775B1 (fr) | 2017-03-07 | 2017-03-07 | Turbopompe pour un circuit fluidique, notamment pour un circuit ferme en particulier de type a cycle de rankine |
PCT/EP2018/053453 WO2018162175A1 (fr) | 2017-03-07 | 2018-02-12 | Turbopompe pour un circuit fluidique, notamment pour un circuit ferme en particulier de type a cycle de rankine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3592977A1 true EP3592977A1 (fr) | 2020-01-15 |
EP3592977B1 EP3592977B1 (fr) | 2022-10-19 |
Family
ID=59070795
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18706447.2A Active EP3592977B1 (fr) | 2017-03-07 | 2018-02-12 | Application d'une turbopompe à un circuit fluidique, notamment à und circuit fermé en particulier de type à cycle de rankine |
Country Status (6)
Country | Link |
---|---|
US (1) | US10895261B2 (fr) |
EP (1) | EP3592977B1 (fr) |
JP (1) | JP7080895B2 (fr) |
CN (1) | CN110382869B (fr) |
FR (1) | FR3063775B1 (fr) |
WO (1) | WO2018162175A1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7455706B2 (ja) | 2020-09-04 | 2024-03-26 | 三菱重工業株式会社 | ポンプ装置 |
JP7531456B2 (ja) | 2021-05-20 | 2024-08-09 | 三菱重工業株式会社 | ポンプ装置 |
JP7531455B2 (ja) | 2021-05-20 | 2024-08-09 | 三菱重工業株式会社 | ポンプ装置 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE466165C (de) * | 1927-08-09 | 1928-10-01 | Escher Wyss Maschf Ag | Pumpenanlage mit Elektromotorantrieb und einer mit dem Pumpenlaufrad zu einem Radkoerper vereinigten Hilfswasserturbine |
US2238502A (en) * | 1939-01-16 | 1941-04-15 | Muir Neil Shaw | Pumping apparatus |
AU1449876A (en) * | 1975-06-09 | 1977-12-08 | Richards Of Rockford Inc | Aerator |
GB1525342A (en) * | 1977-02-14 | 1978-09-20 | Walton Bott A | Motor-pump device and a method of lifting a liquid |
US4230564A (en) * | 1978-07-24 | 1980-10-28 | Keefer Bowie | Rotary reverse osmosis apparatus and method |
US5876610A (en) * | 1997-03-19 | 1999-03-02 | Clack Corporation | Method and apparatus for monitoring liquid flow through an enclosed stream |
FR2822891B1 (fr) * | 2001-03-29 | 2003-11-28 | Gilbert Collombier | Dispositif alimente par une chute d'eau et recuperant l'energie d'une partie de ce debit d'eau pour augmenter la pression de l'autre partie de ce debit |
US7044718B1 (en) | 2003-07-08 | 2006-05-16 | The Regents Of The University Of California | Radial-radial single rotor turbine |
EP1577493A1 (fr) * | 2004-03-17 | 2005-09-21 | Siemens Aktiengesellschaft | Turbomachine et rotor pour une turbomachine |
EP1764487A1 (fr) * | 2005-09-19 | 2007-03-21 | Solvay Fluor GmbH | Fluide de travail pour un procédé de type cycle organique de Rankine |
US7828511B1 (en) * | 2008-03-18 | 2010-11-09 | Florida Turbine Technologies, Inc. | Axial tip turbine driven pump |
JP2011106302A (ja) * | 2009-11-13 | 2011-06-02 | Mitsubishi Heavy Ind Ltd | エンジン廃熱回収発電ターボシステムおよびこれを備えた往復動エンジンシステム |
DE202010017157U1 (de) * | 2010-12-30 | 2011-03-17 | Eckert, Frank | Einrichtungen zur Effizienzerhöhung für Radialturbinen in ORC-Anlagen |
CH705171A1 (de) * | 2011-06-21 | 2012-12-31 | Alstom Technology Ltd | Turbinenschaufel mit einem Schaufelblatt aus Verbundwerkstoff und Verfahren zum Herstellen davon. |
DE102011107829A1 (de) * | 2011-07-01 | 2013-01-03 | Voith Patent Gmbh | Pumpturbinenanlage |
JP6213194B2 (ja) * | 2013-11-29 | 2017-10-18 | セントラル硝子株式会社 | 熱エネルギーを機械エネルギーへ変換する方法、有機ランキンサイクル装置、及び作動流体を置換える方法 |
-
2017
- 2017-03-07 FR FR1751848A patent/FR3063775B1/fr active Active
-
2018
- 2018-02-12 EP EP18706447.2A patent/EP3592977B1/fr active Active
- 2018-02-12 JP JP2019548620A patent/JP7080895B2/ja active Active
- 2018-02-12 CN CN201880016760.8A patent/CN110382869B/zh active Active
- 2018-02-12 WO PCT/EP2018/053453 patent/WO2018162175A1/fr unknown
- 2018-02-12 US US16/491,688 patent/US10895261B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
FR3063775B1 (fr) | 2022-05-06 |
EP3592977B1 (fr) | 2022-10-19 |
JP7080895B2 (ja) | 2022-06-06 |
US10895261B2 (en) | 2021-01-19 |
JP2020509296A (ja) | 2020-03-26 |
CN110382869A (zh) | 2019-10-25 |
CN110382869B (zh) | 2021-09-03 |
WO2018162175A1 (fr) | 2018-09-13 |
FR3063775A1 (fr) | 2018-09-14 |
US20200072222A1 (en) | 2020-03-05 |
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