CN103615349A - Riverbed non-dam type hydroelectric generation system - Google Patents
Riverbed non-dam type hydroelectric generation system Download PDFInfo
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- CN103615349A CN103615349A CN201310681365.0A CN201310681365A CN103615349A CN 103615349 A CN103615349 A CN 103615349A CN 201310681365 A CN201310681365 A CN 201310681365A CN 103615349 A CN103615349 A CN 103615349A
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Abstract
The invention discloses a riverbed non-dam type hydroelectric generation system, and relates to a hydroelectric generation system. The riverbed non-dam type hydroelectric generation system is used for solving the problems that an existing traditional hydropower station is high in manufacturing cost and large in work amount, a floating boat-type non-dam hydropower station can only be implemented in great rivers, the utilization rate of hydropower resources is relatively limited, and a tidal power station is high in construction cost, and cannot be utilized in a large-scale mode. The riverbed non-dam type hydroelectric generation system comprises a water turbine, a flow guiding body, a flow guiding plate, two right-angled-n-shaped frames, two bearing platforms, two power generation platforms, two generators, two increasing gear trains and two lifting mechanisms, wherein one bearing platform, one power generation platform, one generator, one increasing gear train and one lifting mechanism are installed on each right-angled-n-shaped frame, the water turbine comprises a rotary shaft and a plurality of bent blades, each power generation platform which is connected with the corresponding bearing platform is installed above the corresponding bearing platform, each generator is installed on the corresponding power generation platform, motors are connected with worm wheels respectively, and threaded rods are connected with the power generation platforms respectively. The riverbed non-dam type hydroelectric generation system is used for carrying out hydroelectric generation.
Description
Technical field
The present invention relates to a kind of hydroelectric power system, be specifically related to a kind of riverbed without dam formula hydroelectric power system, belong to hydroelectric power field.
Background technique
Traditional hydropower station, needs Store water, approach channel, levies woods, expropriation of land, immigrant, obstruction fish passage, changes natural, ecological and climatic environment etc., and engineering work load is huge, it is huge to invest, and soil erosion, geological disaster easily occur; Wind-power electricity generation has intermittence and unstability, affects the stabilization of power grids and the quality of power supply; Photovoltaic generation land occupation area is large, cost is high, energy efficiency is low, dispatching of power netwoks is frequent, technology is ripe not enough, public subsidies have high input; Floating boat form needs without dam water power that 10 meters of the depth of waters are above, the region of flow velocity >=1 meter per second, can only in great rivers, implement, and hydraulic power potentials utilization ratio is relatively limited; Tidal power station, owing to involving great expense, not yet can large-scale develop and utilize; And for example utilize wave-energy power generation, still in the experimental study stage.
Summary of the invention
The present invention exists manufacture cost high for solving existing traditional water power plant, large, the floating boat form hydroelectric station without dam of engineering work load exists and can only in great rivers, implement, hydraulic power potentials utilization ratio is relatively limited, and tidal power station existence involves great expense, the problem that can not utilize on a large scale, and then a kind of riverbed is without dam formula hydroelectric power system.
The present invention addresses the above problem the technological scheme of taking to be:
A kind of riverbed of the present invention comprises water turbine, deflector, guide plate, two Π type frameworks, peaceful of two sleeves, two cover generation platforms, two cover generators, two cover overdrive gear groups and two cover elevator mechanisms without dam formula hydroelectric power system;
Described two Π type frameworks are reinforced concrete frame, and two Π type frameworks, over against setting, are provided with a set of bearing platform, a set of generation platform, a set of generator, a set of overdrive gear group and one set of lifting mechanism on each Π type framework; Bearing platform is arranged between two columns of Π type framework, and water turbine comprises rotating shaft and a plurality of bending blade, and each bending blade is two section type bending blade, and rotating shaft is horizontally disposed with, and the two ends of rotating shaft are arranged on respectively on the peaceful platform of two sleeves by bearing shell; A plurality of bending blades are arranged in rotating shaft along the circumferential array of rotating shaft, water turbine below is furnished with arc deflector and deflector from top to bottom successively, arc deflector is fixed on the upper end that is positioned at the deflector of arranging river bed, arc deflector and bending blade form seal tank, the two ends of rotating shaft are connected with respectively a set of overdrive gear group, the top that every sleeve is peaceful is provided with the generation platform being connected with bearing platform, on every cover generation platform, generator is installed, overdrive gear group is in transmission connection with corresponding generator; Every cover elevator mechanism comprises motor, worm gear and screw rod, screw rod vertically arranges, motor is arranged in the dunnage of the top that is arranged on Π type framework, motor is connected with worm gear, worm gear and screw rod engagement, the lower end of screw rod is connected with generation platform, and bearing platform and generation platform can slide up and down along two columns of Π type framework.
The invention has the beneficial effects as follows:
1, the present invention compares with traditional hydroelectric power, the present invention has not only evaded that traditional water power plant needs Store water, approach channel, levies woods, expropriation of land, immigrant, obstruction fish passage, change natural, ecological and climatic environment etc., engineering work load is huge, it is huge to invest, easily there is the weakness such as soil erosion, geological disaster, can also be on river basin planning and exploitation basis, multistage in section, region, concentrated exploitation power station.
2, the present invention compares with wind-power electricity generation, can meet the stabilization of power grids and clean electric power generation requirement.
3, the present invention compares with photovoltaic generation, and land occupation area is little, directly in riverbed, builds a station, and cost is low, and energy utilization rate is high, makes full use of the generating of river bed water resource, and energy utilization rate has improved more than 40%.
4, the present invention compares without dam cumulative hydroelectric power plant with floating boat form, can in middle and small river, implement widely, and hydraulic power potentials utilization ratio is high, power plant construction popularity rate is high, and applicable elements is more extensive.
5, the present invention and tidal power station, cost is low, can large-scale develop and utilize.
6, in order more to make full use of middle and small river water resources, the present invention will change above-mentioned construction of hydropower stations pattern, the riverbed that propose to be applicable to severe cold area and other regions, to be applicable to exploitation middle and small river is without dam formula power generation system, to construct safety, clean distributed energy resource system.The present invention can build in both sides, riverbank Π steel bar concrete frame, hang, fix, regulate rotating shaft and the generator of horizontal water turbine, make the rotating shaft of water turbine and the blade river that can dam, can increase again potential energy, kinetic energy and the pressure energy of natural river, according to river level, set up control system and control river discharge, flow energy is converted into mechanical energy and electric energy.
(1), power generation system of the present invention not Store water, do not migrate moving, do not occupy cultivated land, do not fall trees, do not destroy ecology, do not change water body environment, do not affect flood discharge, power plant construction investment relatively low (12000 yuan/kilowatt), can effectively utilize severe cold and other regional middle and small river water resources, also can implement on a large scale and promote the use of.
(2), power generation system of the present invention for hydroelectric power there is not water consumption, no material consumption, low power consuming, without discharge, low noise, ecosystem, the advantage that operating cost is low, water needn't be set can be dispatched, and water wheels absolute altitude is adjustable with riverbed water level, can realize the stable operation of long period target.
(3), power generation system of the present invention can build distributed energy, can be directly incorporated into network distribution system, can save electrical network power transformation and Transmission Cost.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention, and Fig. 2 is the A-A sectional view of Fig. 1, and Fig. 3 is the B-B sectional view of Fig. 2, and Fig. 4 is the access door structural representation arranging on Π type framework.
Embodiment
Embodiment one: in conjunction with Fig. 1-Fig. 4 explanation, a kind of riverbed of present embodiment comprises water turbine, deflector 17, guide plate 18, two Π type frameworks 1, peaceful 6 of two sleeve, two cover generation platforms 7, two cover generators 20, two cover overdrive gear groups 21 and two cover elevator mechanisms without dam formula hydroelectric power system;
Described two Π type frameworks are reinforced concrete frame, and two Π type frameworks 1, over against setting, are provided with a set of bearing platform 6, a set of generation platform 7, a set of generator 20, a set of overdrive gear group 21 and one set of lifting mechanism on each Π type framework 1; Bearing platform 6 is arranged between two column 1-2 of Π type framework, water turbine comprises rotating shaft 4 and a plurality of bending blade 5, each bending blade 5 is two section type bending blade, and rotating shaft 4 is horizontally disposed with, and the two ends of rotating shaft 4 are arranged on respectively on peaceful 6 of two sleeve by bearing shell 9; A plurality of bending blades 5 are arranged in rotating shaft 4 along the circumferential array of rotating shaft 4, water turbine below is furnished with arc deflector 18 and deflector 17 from top to bottom successively, arc deflector 18 is fixed on the upper end that is positioned at the deflector 17 of arranging river bed, the two ends of rotating shaft 4 are connected with respectively a set of overdrive gear group 21, the top that every sleeve is peaceful 6 is provided with the generation platform 7 being connected with bearing platform 6, on every cover generation platform 7, generator 20 is installed, overdrive gear group 21 is in transmission connection with corresponding generator 20; Every cover elevator mechanism comprises motor 12, worm gear 11 and screw rod 10, screw rod 10 vertically arranges, motor 12 is arranged in the dunnage 28 of the top that is arranged on Π type framework 1, motor 12 is connected with worm gear 11, worm gear 11 and screw rod 10 engagements, the lower end of screw rod 10 is connected with generation platform 7, and bearing platform 6 and generation platform 7 can slide up and down along two column 1-2 of Π type framework.
The bending blade of present embodiment is preferentially selected spring bending plate, horizontal rotating shaft, arc deflector, two section type bending blade form riverbed without the dam formula dam body (or seal tank) that dams, improved flow energy, reduced water wheels bearing load, cancelled barrage, build a dam, the fixed mode of retaining, approach channel; Present embodiment is overhauled the bending blade of water turbine for convenience, is provided with respectively maintenance chute 25 on two Π type frameworks; The bending blade of guide plate and water turbine forms seal tank, has improved waterpower utilization rate in dry season, and waterpower utilization rate has improved more than 25%.Present embodiment, by screw rod, worm gear and Electric Machine Control, is increased to 2.7 meters by river water level drop by 0.7 meter.The overdrive gear group of present embodiment can be step-up gear, and during use, the rotation of rotating shaft is by transmission of power to overdrive gear group, and the speedup of overdrive gear group is by transmission of power to generator, and generator is realized generating.Sliding up and down of bearing platform and generation platform can drive water turbine to move up and down.The deflector of present embodiment can be reinforced concrete deflector.
Embodiment two: in conjunction with Fig. 1 and Fig. 2 explanation, bearing shell 9 is elastic metal plastic bearing described in present embodiment.Present embodiment has been cancelled oil lubricating mechanism, has avoided oil pollution water body phenomenon, and elastic metal plastic bearing allowable pressure is controlled at 20Mpa/cm
2below, linear velocity allowable is controlled at below 20m/s, and maximum allowable PV value is controlled at below 80Mpam/s, and the dry coefficient of kinetic friction is 0.12～0.20.Other is identical with embodiment one.
Embodiment three: in conjunction with Fig. 3 explanation, power generation system also comprises that the bottom of peaceful 6 of two filter screen 22, two sleeve is separately installed with filter screen 22 described in present embodiment.So arrange, prevent from entering impurity in bearing shell, affect the operation of rotating shaft.Other is identical with embodiment one or two.
Embodiment four: in conjunction with Fig. 3 explanation, power generation system also comprises that the bottom of peaceful 6 of two water pump 14, two sleeve is separately installed with a water pump 14 described in present embodiment.So arrange, bearing shell adopts the lubricated energy-conserving and environment-protective of water lubrication mode.Other is identical with embodiment two.
Embodiment five: in conjunction with Fig. 2 explanation, described in present embodiment, power generation system also comprises quadruplet slide rail 24 and quadruplet sheave block 15, on two column 1-2 of each Π type framework, be separately installed with a set of slide rail 24, on the side relative with two column 1-2 of peaceful 6 of every sleeve, being separately installed with 15, two sheave block 15 of sheave block is placed in respectively on two slide rails 24.So arrange, ensured the steadiness of bearing shell safety and bearing platform, bearing platform and stable the sliding up and down of generation platform energy, realize along with riverbed water level controlling run absolute altitude simultaneously, reaches generating object.Other is identical with embodiment one, two or four.
Embodiment six: in conjunction with Fig. 2 explanation, the middle part of two column 1-2 of each Π type framework of present embodiment is respectively processed with a groove 3, on the side relative with two column 1-2 of peaceful 6 of every sleeve, be processed with respectively the location fin 8 matching with groove 3, location fin 8 is placed in groove 3 and location fin 8 can slide up and down.The guiding type coupling of fin and groove, the vertical and horizontal location of realizing bearing platform and generation platform are so set.Other is identical with embodiment five.
Embodiment seven: in conjunction with Fig. 1 and Fig. 4 explanation, the upper processing of two the column 1-2 access door 27 of each Π type framework of present embodiment.Bearing shell and the generator of convenient maintenance water turbine are so set.Other is identical with embodiment six.
Embodiment eight: in conjunction with Fig. 3 explanation, generator 20 is permanent magnet generator described in present embodiment.So arrange, adopt permanent-magnet structure, without exciting winding, non-carbonate, without slip ring, reduced generator volume and weight.Other is identical with embodiment six or seven.
Embodiment nine: in conjunction with Fig. 1 and Fig. 2 explanation, power generation system also comprises two cover contracting brakes 16 described in present embodiment, and the end at the two ends of rotating shaft 4 is separately installed with a set of contracting brake 16.So arrange, when hydraulic turbine generator is in operation while there is removal of load situation, control system starts band-type brake and platform elevator system, suppresses water turbine generation runaway accident.Other is identical with embodiment eight.
Embodiment ten: in conjunction with Fig. 1 and Fig. 2 explanation, described in present embodiment, power generation system also comprises four electronic type liquid-level switches 13, two position limit switches 23 and two embed-type thermometry meters 26, be positioned on peaceful 6 of every sleeve on water turbine top and be separately installed with two electronic type liquid-level switches 13, on the lower surface of each dunnage 28, be separately installed with a position limit switch 23, an embed-type thermometry meter 26 is installed on each bearing shell 9.So arrange, electronic type liquid-level switch can be controlled with circuit separately, reaches water turbine and generator operation absolute altitude, along with the object of riverbed level trace controlling run absolute altitude and rotating speed, has also played the object of automatic and rapid safe flood; Electronic type liquid-level switch and position limit switch are used in conjunction with, and have ensured the steadiness of bearing shell safety and water turbine platform; Embed-type thermometry meter is for monitoring the runnability of bearing shell.Other is identical with embodiment nine.
Working procedure
The distributional pattern of flow velocity on natural river course transverse section, is one of the key property in river, and the feature that it has is: the density of water body is more than 773.4 times of air, and (density of pure water in the time of 4 ℃ is maximum, is 1000Kg/m
3, the density of air in the time of 20 degrees Celsius is 1.205Kg/m
3), the power of water body flow is more than 773.4 times of Air Flow (wind-force).River is as a kind of form of fluid, the triformed mechanical energy of tool, and three kinds of mechanical energy that the water body that quality is m has are:
(1) energy that fluid gravitate has in different heights place is called potential energy, i.e. U=m * g * z;
(2) at any place of mobile internal fluid, have corresponding pressure, this energy that fluid has is called pressure energy or flow work, i.e. E=(m * g * p)/γ;
(3) energy being had when fluid flows with certain speed is called kinetic energy, i.e. W=1/(2 * m * ν
2).
In formula:
The quality of m-water;
M=ρ (density) V(volume)=1 * 103 * (2/1000)=2 kilogram;
G-gravity accleration, gets g=9.8m/s
2;
The position height (m) of the relatively a certain datum plane of z-water body;
The unit weight of γ-water, gets γ=9810N/m
3;
The flat water conservancy diversion speed (m/s) of ν-current flow cross-section;
Certain any pressure (Pa) in p-water body, p=γ h; H is height, m.
Above-mentioned three kinds of energy are the mechanical energy that fluid has in place, cross section, and three's sum is called the total mechanical energy on certain cross section.Hydroelectric power in the present invention, is mainly to utilize to contain three kinds of mechanical energy in water body, and the mechanical energy in fluid is converted to electric energy.
In addition, by analyzing known to free river course flow cross-section, river for Free Surface, water particle flow velocity on river centre of surface line is the highest, the water particle flow velocity contacting with riverbed solid surface is zero, the rule distribution parabolically of the flow velocity of water particle, the kinetic energy of visible water body flow has the utilization of optimization and reasonable value.
For example, according to hydrological statistics data, certain inland river waterflow peak flow rate (PFR) is about 2.7m/s, and in design, intending taking flow velocity is 1.7m/s～2.2m/s left and right.Separately according to hydroelectric power single-machine capacity P=ρ gQh/ η and flow Q=ν S relation, productive head h(2.5m), in the certain situation of density p, gravity acceleration g and the unit efficiency η of water, flow velocity ν and overflow section S in flow Q play an important role.Due to Horizontal revolving axle construction and size fixed, drop and overflow section are constant substantially, so the flow velocity ν of current is unusual important parameters, the present invention can plan to build scale by 500kw-1000kw/ seat hydroelectric power unit.
(1) implement region
The present invention can be having that Duo, river course, river is wide, river is shallow, flow is little, it is large, seasonal freeze-up to flood, construction of hydropower facilities investment is high, hydraulic power potentials does not also obtain utilizing that situation is dirty goes out the resource environment on national boundaries and sustainable utilization of water resource is realized in the region of feature.
(2) factory site, water power plant is selected
A. select road, river (river) to be difficult for transition, section that riverbed is more firm.
B. select that 12 meters of river in dry season (river) water surface width are above, water depth is greater than 1.0 meters, water volume flow rate and is greater than section more than 2.2m/s.
C. select power station to send the good section of circuit compare Duan, electric substation Access Conditions.
D. select communications and transportation facility, the unimpeded section of mobile communication relatively.
E. select not affect the section of shipping lane, flood control installation, water intake facilities, bridge structure, grid transmission circuit.
F. relatively flat is wanted in riverbed, and river course is difficult for having the above unsteady bulk stone of 200mm.
(3) batch production processing accessory
Horizontal rotating shaft, two section type bending blade, bearing platform, generation platform, lifting screw, sheave block, contracting brake, overdrive gear group, filter screen and guide plate.
(4) product purchasing
Horizontal elastic metal plastic bearing, screw rod, worm gear and motor, electronic type liquid-level switch, water pump, permanent magnet generator, position limit switch etc.
(5) construction sequence
A. hot weather construction: the Π type framework of both sides, river course, groove, deflector, guide plate and cable trunk, pulley track, maintenance slideway.Its quantity is: pile foundation construction, Π type framework cast-in-situ reinforced concrete, sends circuit and substation busbars equipment construction.
B. winter construction: at the transportation of river freezeup phase and underslung bearing platform and generator platform, horizontal rotating shaft, screw rod, screw rod, worm gear, motor, overdrive gear group and permanent magnet generator.
Claims (10)
1. a riverbed is without dam formula hydroelectric power system, it is characterized in that: described power generation system comprises water turbine, deflector (17), guide plate (18), two Π type frameworks (1), two sleeves peaceful (6), two cover generation platforms (7), two cover generators (20), two cover overdrive gear groups (21) and two cover elevator mechanisms;
Described two Π type frameworks are reinforced concrete frame, two Π type frameworks (1), over against setting, are provided with a set of bearing platform (6), a set of generation platform (7), a set of generator (20), a set of overdrive gear group (21) and one set of lifting mechanism on each Π type framework (1), bearing platform (6) is arranged between two columns (1-2) of Π type framework, water turbine comprises rotating shaft (4) and a plurality of bending blade (5), each bending blade (5) is two section type bending blade, rotating shaft (4) is horizontally disposed with, and the two ends of rotating shaft (4) are arranged on respectively on two bearing platforms (6) by bearing shell (9), a plurality of bending blades (5) are arranged in rotating shaft (4) along the circumferential array of rotating shaft (4), water turbine below is furnished with arc deflector (18) and deflector (17) from top to bottom successively, arc deflector (18) is fixed on the upper end that is positioned at the deflector (17) of arranging river bed, the two ends of rotating shaft 4 are connected with respectively a set of overdrive gear group (21), the top of every sleeve peaceful (6) is provided with the generation platform (7) being connected with bearing platform (6), generator (20) is installed on every cover generation platform (7), overdrive gear group (21) is in transmission connection with corresponding generator (20), every cover elevator mechanism comprises motor (12), worm gear (11) and screw rod (10), screw rod (10) vertically arranges, motor (12) is arranged in the dunnage (28) of the top that is arranged on Π type framework (1), motor (12) is connected with worm gear (11), worm gear (11) and screw rod (10) engagement, the lower end of screw rod (10) is connected with generation platform (7), and bearing platform (6) and generation platform (7) can slide up and down along two columns (1-2) of Π type framework.
2. a kind of riverbed according to claim 1, without dam formula hydroelectric power system, is characterized in that: described bearing shell (9) is elastic metal plastic bearing.
3. a kind of riverbed according to claim 1 and 2, without dam formula hydroelectric power system, is characterized in that: described power generation system also comprises two filter screens (22), and the bottom of two sleeves peaceful (6) is separately installed with filter screen (22).
4. a kind of riverbed according to claim 2, without dam formula hydroelectric power system, is characterized in that: described power generation system also comprises two water pumps (14), and the bottom of two sleeves peaceful (6) is separately installed with a water pump (14).
According to a kind of riverbed described in claim 1,2 or 4 without dam formula hydroelectric power system, it is characterized in that: described power generation system also comprises quadruplet slide rail (24) and quadruplet sheave block (15), on two columns (1-2) of each Π type framework, be separately installed with a set of slide rail (24), on the side relative with two columns (1-2) of every sleeve peaceful (6), be separately installed with sheave block (15), two sheave block (15) are placed in respectively on two slide rails (24).
6. a kind of riverbed according to claim 5 is without dam formula hydroelectric power system, it is characterized in that: the middle part of two columns (1-2) of each Π type framework is respectively processed with a groove (3), on the side relative with two columns (1-2) of every sleeve peaceful (6), be processed with respectively the location fin (8) matching with groove (3), location fin (8) is placed in groove (3) and location fin (8) can slide up and down.
7. a kind of riverbed according to claim 6, without dam formula hydroelectric power system, is characterized in that: the upper processing of two columns (1-2) access door (27) of each Π type framework.
According to a kind of riverbed described in claim 6 or 7 without dam formula hydroelectric power system, it is characterized in that: described generator (20) is permanent magnet generator.
9. a kind of riverbed according to claim 8, without dam formula hydroelectric power system, is characterized in that: described power generation system also comprises two cover contracting brakes (16), and the end at the two ends of rotating shaft (4) is separately installed with a set of contracting brake (16).
10. a kind of riverbed according to claim 9 is without dam formula hydroelectric power system, it is characterized in that: described power generation system also comprises four electronic type liquid-level switches (13), two position limit switches (23) and two embed-type thermometry meters (26), be positioned on every sleeve peaceful (6) on water turbine top and be separately installed with two electronic type liquid-level switches (13), on the lower surface of each dunnage (28), be separately installed with a position limit switch (23), an embed-type thermometry meter (26) is installed on each bearing shell (9).
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104153937A (en) * | 2014-07-25 | 2014-11-19 | 浙江大学 | Wave energy collecting device adaptable to tide level change |
| CN106762345A (en) * | 2017-03-28 | 2017-05-31 | 天津市永亮水电设备制造有限公司 | A kind of generator driven water wheel construction |
| CN108677907A (en) * | 2018-06-22 | 2018-10-19 | 薛冻 | A kind of water surface generation platform |
| CN109139344A (en) * | 2017-06-15 | 2019-01-04 | 时扬 | A kind of no dam formula water current turbine electricity generation system |
| CN110017235A (en) * | 2019-05-23 | 2019-07-16 | 袁帅 | A kind of horizontal type water wheels system |
| CN110030140A (en) * | 2019-04-26 | 2019-07-19 | 雷永泉 | A kind of hydroelectric installation |
| CN110131089A (en) * | 2019-05-17 | 2019-08-16 | 天津天发总厂机电设备有限公司 | Power station tail water cyclic utilization system |
| CN111064386A (en) * | 2019-12-31 | 2020-04-24 | 武汉轻工大学 | Paddle and piezoelectric capacitive hydroelectric generation flood bank |
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| CN1995550A (en) * | 2006-12-23 | 2007-07-11 | 蔡海燕 | Method and apparatus for utilizing hydraulic power plant residue energy |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104153937A (en) * | 2014-07-25 | 2014-11-19 | 浙江大学 | Wave energy collecting device adaptable to tide level change |
| CN106762345A (en) * | 2017-03-28 | 2017-05-31 | 天津市永亮水电设备制造有限公司 | A kind of generator driven water wheel construction |
| CN106762345B (en) * | 2017-03-28 | 2019-04-09 | 天津市永亮水电设备制造有限公司 | A kind of generator driven water wheel construction |
| CN109139344A (en) * | 2017-06-15 | 2019-01-04 | 时扬 | A kind of no dam formula water current turbine electricity generation system |
| CN108677907A (en) * | 2018-06-22 | 2018-10-19 | 薛冻 | A kind of water surface generation platform |
| CN110030140A (en) * | 2019-04-26 | 2019-07-19 | 雷永泉 | A kind of hydroelectric installation |
| CN110131089A (en) * | 2019-05-17 | 2019-08-16 | 天津天发总厂机电设备有限公司 | Power station tail water cyclic utilization system |
| CN110131089B (en) * | 2019-05-17 | 2024-02-13 | 天津天发总厂机电设备有限公司 | Tail water recycling system of power station |
| CN110017235A (en) * | 2019-05-23 | 2019-07-16 | 袁帅 | A kind of horizontal type water wheels system |
| CN111064386A (en) * | 2019-12-31 | 2020-04-24 | 武汉轻工大学 | Paddle and piezoelectric capacitive hydroelectric generation flood bank |
| CN111064386B (en) * | 2019-12-31 | 2020-11-24 | 武汉轻工大学 | Paddle and piezoelectric capacitive hydroelectric generation flood bank |
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Application publication date: 20140305 |