CN105927457A - Circulating water hydroelectric power station constructed through interaction of self-weight of water bodies and buoyance - Google Patents

Circulating water hydroelectric power station constructed through interaction of self-weight of water bodies and buoyance Download PDF

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Publication number
CN105927457A
CN105927457A CN201610338068.XA CN201610338068A CN105927457A CN 105927457 A CN105927457 A CN 105927457A CN 201610338068 A CN201610338068 A CN 201610338068A CN 105927457 A CN105927457 A CN 105927457A
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China
Prior art keywords
water
cylinder
tank
gravity
pipe
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CN201610338068.XA
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李建英
李盈
李鹏山
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李建英
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Priority to CN201610338068.XA priority Critical patent/CN105927457A/en
Publication of CN105927457A publication Critical patent/CN105927457A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03BMACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/06Stations or aggregates of water-storage type, e.g. comprising a turbine and a pump
    • 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
    • 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
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/16Mechanical energy storage, e.g. flywheels or pressurised fluids
    • 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
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

Abstract

The invention relates to a circulating water hydroelectric power station constructed through interaction of self weight of water bodies and buoyance. The circulating water hydroelectric power station comprises a partitioning reservoir, a water injection pump, a water injection pipe, a water supply pipeline, a water tank, a water delivering pipe, a water turbine, a water pumping cylinder body, a water replacing box body, a gravity cylinder body, a buoyance box body, a water pumping cylinder body piston disk, a gravity cylinder body piston disk, piston disk connecting rods and a water replacing box body drain pipe. Through the adoption of the technical scheme adopted by the circulating water hydroelectric power station disclosed by the invention, under the premise of without dependence on or drawing support from other outside force, and without consumption of energy sources such as fossil, only the original self weight of the water bodies and the characteristics of the buoyance are utilized, the self weight of the water bodies and the buoyance mutually utilize the force of the other part in a device system which is artificially mounted, so that after the water bodies and required water quantity continuously and automatically operate to any required height which is artificially set to form a required drop height, and then through a water guiding device system and a water delivering pipeline, the water bodies and the water quantity flow past the water turbine, so that the water turbine acts to produce electric energy.

Description

Utilize the interaction construction recirculated water water-power plant of water body deadweight and buoyancy
Technical field
The present invention relates to water generating technical field, particularly relate to a kind of interaction construction utilizing water body to conduct oneself with dignity with buoyancy and follow Ring water water-power plant.
Background technology
Along with people's increase day by day to electrical energy demands, people successively invented water power, thermoelectricity, nuclear power, wind-powered electricity generation, photoelectricity and The generation mode utilizing many acquisition electric energy such as ocean thermal gradients, ocean current, wave, tide among being in exploration or researching and developing, but this A little generation modes all also exist some places not fully up to expectations, such as: existing natural flow station, are substantially on rivers Select suitable place or Duan Lan river, river to build a dam, manufacture corresponding water-retention reservoir area with drop to obtain electric energy, but it is building water-retention Wanting the permanent part farmland that takies to plough while reservoir area, resettlement immigrant also changes from this or destroys rivers ecological environment, and built After water-retention reservoir area uses some cycles, eventually easily deposit foreign material alluvial because of silt etc. and scrap, then stay to offspring endless The topic being difficult to resolve;What thermoelectricity utilized substantially is all disposable fossil equal energy source, utilizes limited and non-renewable fossil equal energy source Obtain electric energy, be not only the most a little less problem of burning, and the more important thing is the nature burning and some the mankind will being depended on for existence more Environment causes more more dye, from the point of view of China, takies substantial portion of railway, public affairs for protecting the fuel supply of thermoelectricity The traffic transport power such as road, water transport, and then also have influence on transport and the fast development of some areas national economy of other goods and materials;Make a general survey of The whole world, the local war occurred for contention fossil equal energy source is constant, almost all can make ten hundreds of civilians every year Become the victim of war, become refugee homeless, that leave the native place;And nuclear power also exists the nuclear safety making us moment uneasiness Problem;Wind-powered electricity generation also exists the problem of wind and calm spell, only about the 120 days whole year of wind field that China is most have the wind phase, Causing generating efficiency low, cost of electricity-generating remains high, and wind energy turbine set is dislocatedly distributed with electricity consumption district and the problem of a thousand li transmission of electricity;Light The problems such as indirect that volt generating frequently produces when equally existing daytime and night and meet cloud fog sheding hood, undulatory property and be difficult to continue The problem that electric energy is provided smoothly.
Summary of the invention
In view of this, the interaction construction recirculated water water-power plant utilizing water body deadweight and buoyancy that the present invention relates to, passes through The technical program, build be different from existing water-power plant build a station must block river build a dam build water-retention reservoir area recirculated water hydroelectric generation Stand, make water-power plant change and rely on great river. great river. the traditional approach at big water source, allow water-power plant walk out lofty mountains and steep hills and depend on According to required, if be built near in every case have can supplement the built a power station original water yield of circulating device system because of atmospheric evaporation, Near the electricity consumption area, arbitrary land of the system leakage such as crack, table pond or the earth surface water source of loss or underground water source, it is also a kind of Make the intrasystem water body of circulating device belonging to this power station, the Huan Shuishui that the former water yield, full-automatic, long period circulate in this power station Power station;Water body in during affiliated circulating water device system normal operation continues, long period lifting process, is the most not Rely on or by other external force, do not consume any fossil equal energy source on the premise of, only utilize water body self original from gravity with floating Power feature, allows the two utilize the power of the other side mutually in the apparatus system internal phase being artificially equipped with, and makes water body and institute's water requirement lasting, automatic After the arbitrary desired height running to be manually set forms required drop, then flow through the hydraulic turbine through priming device system and aqueduct Make its generation electric energy that does work.
In order to achieve the above object, the technical scheme that the present invention relates to is achieved in that and a kind of utilizes the water body deadweight with buoyancy Interact and build recirculated water water-power plant, including subregion cistern, water injecting pump, water injection pipe, water supply pipeline, tank, defeated Water pipe and the hydraulic turbine, the lower end of described water supply pipeline and the water inlet of water injecting pump submerge in the water of cistern, the water outlet of water injecting pump Mouth is connected with the bottom of water supply pipeline through water injection pipe, and water-supply-pipe one end is connected with tank, and the water-supply-pipe other end is through the hydraulic turbine and divides District's cistern is connected, it is characterised in that the cylinder body that also includes drawing water, change water tank, gravity cylinder body, buoyancy casing, draw water cylinder body Piston plate, gravity cylinder piston dish, piston plate connecting rod and change water tank tapping pipe, described in change water tank and gravity cylinder body sets successively Putting in the lower section drawing water cylinder body, the cylinder body piston plate that draws water, gravity cylinder piston dish are separately positioned on and draw water in cylinder body and gravity cylinder body, Buoyancy casing is arranged on gravity cylinder body internal upper part, and the cylinder body piston plate that draws water, gravity cylinder piston dish and buoyancy casing pass through piston plate Connecting rod three is connected as a single entity synchronous operation, described in change the upper end of water tank tapping pipe and be connected bottom water tank with changing, change water tank The lower end of tapping pipe is connected with the gravity inner chamber of cylinder block being positioned at above gravity cylinder piston dish, the upper end of described water supply pipeline respectively with The cylinder body that draws water is connected inside the upper end of gravity cylinder body, and described tank is connected with gravity cylinder body.
Also including filling pipe, moisturizing casing, moisturizing casing upper hose, tank and small pump, moisturizing casing is through filling pipe respectively Being connected with upper end and the cylinder body inside top of drawing water of water supply pipeline, the water inlet end of small pump is arranged in tank, going out of small pump Water end (W.E.) is connected with in water injecting tank through water filling casing upper hose.
The upper end of described water supply pipeline and cylinder body top of drawing water are respectively arranged with water supply pipeline air bleeding valve and the cylinder body air bleeding valve that draws water.
Provide the benefit that after using technique scheme: a kind of interaction construction recirculated water water utilizing water body deadweight and buoyancy Power station, by the technical program, being built a power station will differ from existing water-power plant and builds a station and must block river and build a dam construction water-retention The recirculated water water-power plant of reservoir area, makes water-power plant change and relies on great river. great river. and the traditional approach at big water source, allow waterpower send out Power station is walked out that lofty mountains and steep hills and according to required, is had that can to supplement built a power station circulating device system former as long as being built near in every case There is the water yield because of the system leakage such as atmospheric evaporation, crack, pond, earth's surface or the earth surface water source of loss or arbitrary land electricity consumption of underground water source Near Di Qu.It is also that one makes the intrasystem water body of circulating device belonging to this power station, and the former water yield, full-automatic, long period are at this The recirculated water water-power plant of circulation in power station;Water body in during affiliated circulating water device system normal operation continues, long period Lifting process, be completely not against or by other external force, do not consume any fossil equal energy source on the premise of, only utilize water body Self is original from gravity and buoyancy feature, allows the two utilize the power of the other side mutually in the apparatus system internal phase being artificially equipped with, makes water body And after institute's water requirement continues, arbitrary desired height of automatically running to be manually set forms required drop, then through priming device system Flow through the hydraulic turbine with aqueduct and make its generation electric energy that does work.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the present invention.
Fig. 2 is the combinative structure schematic diagram of multiple technical units of the present invention.
In figure, 1 subregion cistern, 2 water injecting pumps, 3 water injection pipes, stop valve, 5 initial water supply valves, water on 6 under 4 water supply pipelines Pipeline, 7 gravity cylinder piston dishes, 8 gravity cylinder piston dish water-through valves, 9 gravity cylinder bodies (top is opened type), 10 pistons Dish connecting rod, 11 buoyancy casings, 12 gravity cylinder body one way entrapped water valves, 13 draw water cylinder body, 14 water supply pipeline air bleeding valves, water on 15 Pipeline water compensating valve, 16 draw water cylinder body one way entrapped water valve, 17 filling pipes, 18 draw water cylinder body air bleeding valve, 19 moisturizing casing (tops For opened type), 20 moisturizing casing upper hoses, 21 draw water cylinder body water compensating valve, 22 draw water cylinder body piston plate water-through valve, 23 draw water Cylinder piston dish, 24 draw water cylinder body drain valve, 25 change water tank (top is opened type), 26 change water tank drain valve, 27 Change water tank tapping pipe, 28 gravity cylinder body outlet valves, 29 tanks, 30 small pumps, 31 water-supply-pipes, 32 hydraulic turbines.
Specific embodiments
Below in conjunction with the accompanying drawings the present invention and concrete beneficial effect are described in further detail.
As it is shown in figure 1, the interaction construction recirculated water water-power plant utilizing water body deadweight and buoyancy that the present invention relates to, bag Include subregion cistern 1, water injecting pump 2, water injection pipe 3, water supply pipeline 6, tank 29, water-supply-pipe 31 and the hydraulic turbine 32, described The lower end of water supply pipeline 6 and the water inlet of water injecting pump 2 submerge in the water of subregion cistern 1, and the outlet of water injecting pump 2 is through note Water pipe 3 is connected with the bottom of water supply pipeline 6, and water-supply-pipe 31 one end is connected with tank 29, and water-supply-pipe 31 other end is through water wheels Machine 32 is connected with subregion cistern 1, the cylinder body 13 that also includes drawing water, change water tank 25, gravity cylinder body 9, buoyancy casing 11, Draw water cylinder body piston plate 23, gravity cylinder piston dish 7, piston plate connecting rod 10 and change water tank tapping pipe 27, described in change water tank Body 25 and gravity cylinder body 9 are successively set on the lower section of the cylinder body 13 that draws water, the cylinder body piston plate 23 that draws water, gravity cylinder piston dish 7 Being separately positioned on and draw water in cylinder body 13 and gravity cylinder body 9, buoyancy casing 11 is arranged on gravity cylinder body 9 internal upper part, and draw water cylinder body Piston plate 23, gravity cylinder piston dish 7 and buoyancy casing 11 are connected as a single entity synchronous operation by piston plate connecting rod 10 three, institute State the upper end changing water tank tapping pipe 27 and be connected bottom water tank 25 with changing, change the lower end of water tank tapping pipe 27 and be positioned at weight Gravity cylinder body 9 inner chamber above power cylinder piston dish 7 be connected, the upper end of described water supply pipeline 6 respectively with draw water cylinder body 13 and weight Being connected inside the upper end of power cylinder body 9, described tank 29 is connected with gravity cylinder body 9.
Also include filling pipe 17, moisturizing casing 19, moisturizing casing upper hose 20, tank 29 and small pump 30, moisturizing casing 19 are connected with upper end and cylinder body 13 inside top of drawing water of water supply pipeline 6 respectively through filling pipe 17, the water inlet of small pump 30 End is arranged in tank 29, and the water side of small pump 30 is connected in moisturizing casing 19 through moisturizing casing upper hose 20.
The upper end of described water supply pipeline 6 and cylinder body 13 top of drawing water are respectively arranged with water supply pipeline air bleeding valve 14 and the cylinder body row that draws water Air valve 18.
As it is shown in figure 1, the A. present invention is when initial preparation runs, needs first to carry out water filling work, start water injecting pump 2, beat At first beginning water supply valve 5, gravity cylinder body one way entrapped water valve 12, gravity cylinder piston dish water-through valve 8, closes and ends under water supply pipeline Valve 4, gravity cylinder body outlet valve 28, by the water body in subregion cistern 1 through water injection pipe 3 and water supply pipeline 6, by gravity cylinder Body one way entrapped water valve 12 carries out water filling to gravity cylinder body 9.
While gravity cylinder body 9 water yield reaches designated water level, buoyancy casing 11 drives gravity cylinder body by piston plate connecting rod 10 Piston plate 7 and the cylinder body piston plate 23 that draws water are moved upwards up to initial position simultaneously, after gravity cylinder body 9 water filling terminates, close gravity Cylinder body one way entrapped water valve 12, gravity cylinder piston dish water-through valve 8 and the cylinder body drain valve 24 that draws water, open water supply pipeline air bleeding valve 14, draw water cylinder body air bleeding valve 18 and draw water cylinder body one way entrapped water valve 16 with the cylinder body piston plate water-through valve 22 that draws water to the cylinder body that draws water 13 carry out water filling.
After the cylinder body 13 that draws water fills water and evacuation of air, close water supply pipeline air bleeding valve 14, water supply pipeline water compensating valve 15, take out Water vat body air bleeding valve 18, the cylinder body water compensating valve 21 that draws water, the cylinder body piston plate water-through valve 22 that draws water, the cylinder body one way entrapped water valve 16 that draws water, Change water tank drain valve 26, initial water supply valve 5 and water injecting pump 2 and stop water filling;B. when this technical unit starts properly functioning, first First opening gravity cylinder body outlet valve 28, the water body making way for gravity cylinder piston dish 7 bottom flows out automatically.When gravity cylinder piston The water body of dish 7 bottom flows out, and when its top is moved down by the compression weight setting water body again, drives through piston plate connecting rod 10 Buoyancy casing 11 synchronizes to move down together with the cylinder body piston plate 23 that draws water, and now synchronizes to open the cylinder body drain valve 24 that draws water, makes The water body being positioned at cylinder body piston plate 23 bottom of drawing water changes water tank 25 through cylinder body drain valve 24 inflow of drawing water.
Now draw water and form vacuum in the cylinder body 13 of drawing water on cylinder body piston plate 23 top, i.e. open stop valve 4 under water supply pipeline With the cylinder body one way entrapped water valve 16 that draws water, the water body in subregion cistern 1 is allowed to be inhaled into, through water supply pipeline 6, the cylinder body 13 that draws water In vacuum body, gravity cylinder body stops mobile after being moved downward to setting position, complete work of drawing water.From being positioned at gravity cylinder body 9 times Portion flows into the water body of tank 29 through gravity cylinder body outlet valve 28, flow to the hydraulic turbine 32 through water-supply-pipe 31 and generates electricity;C. this skill Art unit, when reset cycle is run, is first shut off gravity cylinder body outlet valve 28 and the cylinder body drain valve 24 that draws water, draw water cylinder body list Stop valve 4 under water injection valve 16, water supply pipeline, opens and changes water tank drain valve 26, allows the water body changed in water tank 25 through changing Water tank drain valve 26 and changing in the top that water tank tapping pipe 27 is flowed into gravity cylinder body 9, and gravity cylinder body is opened in simultaneously Piston plate water-through valve 8 and the cylinder body piston plate water-through valve 22 that draws water, make buoyancy casing 11 drive gravity cylinder body through piston plate connecting rod 10 Piston plate 7, the cylinder body piston plate 23 that draws water are raised above resetting, by above-mentioned repeated work, it is achieved overall circulation is worked Journey, based on the reason repeated, be not described in detail for above-mentioned identical content.
In the whole On The Cycle Working Process of this technical unit, go out sometimes on the top on the top of water supply pipeline 6 and the cylinder body 13 that draws water Existing air, can open after resetting every time water supply pipeline water compensating valve 15, water supply pipeline air bleeding valve 14 and the cylinder body water compensating valve 21 that draws water, The cylinder body air bleeding valve 18 that draws water carries out moisturizing aerofluxus by filling pipe 17, after air empties, closedown water supply pipeline water compensating valve 15, Water supply pipeline air bleeding valve 14 is with the cylinder body water compensating valve 21 that draws water, draw water cylinder body air bleeding valve 18.When the setting water yield in moisturizing casing 19 Time not enough, through moisturizing casing upper hose 20, moisturizing casing 19 can be carried out in time moisturizing by starting small pump 30.Upper water The diameter of pipeline 6 need to set the weight of the water yield according to gravity cylinder piston dish 7 top and arrange.
Various valves in the present invention are universal, belong to prior art, and valve all can use Electromagnetic Control, by control automatically System realizes automated job pattern.
As in figure 2 it is shown, technical scheme can improve generating scale, to reach by the combination of multiple technical units Preferably generate electricity operating result.
The above, for the preferable possible embodiments of the present invention, be not limited to protection scope of the present invention.

Claims (3)

1. utilize an interaction construction recirculated water water-power plant for water body deadweight and buoyancy, including subregion cistern, water filling Pump, water injection pipe, water supply pipeline, tank, water-supply-pipe and the hydraulic turbine, the lower end of described water supply pipeline and the water inlet of water injecting pump do not have Entering in the water of cistern, the outlet of water injecting pump is connected with the bottom of water supply pipeline through water injection pipe, water-supply-pipe one end and tank Being connected, the water-supply-pipe other end is connected with subregion cistern through the hydraulic turbine, it is characterised in that the cylinder body that also includes drawing water, change water tank, Gravity cylinder body, buoyancy casing, the cylinder body piston plate that draws water, gravity cylinder piston dish, piston plate connecting rod and change water tank tapping pipe, Described changing water tank and gravity cylinder body is successively set on the lower section of the cylinder body that draws water, the cylinder body piston plate that draws water, gravity cylinder piston dish divide Not being arranged on and draw water in cylinder body and gravity cylinder body, buoyancy casing is arranged on gravity cylinder body internal upper part, and draw water cylinder body piston plate, gravity Cylinder piston dish and buoyancy casing are connected as a single entity synchronous operation by piston plate connecting rod three, described in change the upper end of water tank tapping pipe It is connected bottom water tank with changing, changes the lower end of water tank tapping pipe and the gravity inner chamber of cylinder block being positioned at above gravity cylinder piston dish Being connected, the upper end of described water supply pipeline is connected with inside the upper end of draw water cylinder body and gravity cylinder body respectively, described tank and gravity Cylinder body is connected.
The interaction construction recirculated water water-power plant utilizing water body deadweight and buoyancy the most according to claim 1, it is special Levying and be, also include filling pipe, moisturizing casing, moisturizing casing upper hose, tank and small pump, moisturizing casing is through filling pipe Being connected with upper end and the cylinder body inside top of drawing water of water supply pipeline respectively, the water inlet end of small pump is arranged in tank, small pump Water side be connected with in water supply tank through moisturizing casing upper hose.
The interaction construction recirculated water water-power plant utilizing water body deadweight and buoyancy the most according to claim 2, it is special Levying and be, the upper end of described water supply pipeline and cylinder body top of drawing water are respectively arranged with water supply pipeline air bleeding valve and the cylinder body air bleeding valve that draws water.
CN201610338068.XA 2016-05-23 2016-05-23 Circulating water hydroelectric power station constructed through interaction of self-weight of water bodies and buoyance Pending CN105927457A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI619882B (en) * 2016-12-26 2018-04-01 錢維安 Energy storage and power generation systems by water pressure
LU100968B1 (en) * 2018-10-15 2020-04-15 Frank Weppernig Device and method for moving a liquid and hydropower plant

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110122932A (en) * 2010-05-06 2011-11-14 롯데건설 주식회사 Micro power generation system in mass residence area and method therefor
CN202465401U (en) * 2011-12-07 2012-10-03 江苏金梓环境科技有限公司 Dual-circulating flow guide device with power generator
CN202732204U (en) * 2012-06-13 2013-02-13 李淑亮 High-level water-storage power generation device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110122932A (en) * 2010-05-06 2011-11-14 롯데건설 주식회사 Micro power generation system in mass residence area and method therefor
CN202465401U (en) * 2011-12-07 2012-10-03 江苏金梓环境科技有限公司 Dual-circulating flow guide device with power generator
CN202732204U (en) * 2012-06-13 2013-02-13 李淑亮 High-level water-storage power generation device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI619882B (en) * 2016-12-26 2018-04-01 錢維安 Energy storage and power generation systems by water pressure
LU100968B1 (en) * 2018-10-15 2020-04-15 Frank Weppernig Device and method for moving a liquid and hydropower plant

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Application publication date: 20160907