WO2021080179A1 - Centrale hydraulique guidée par écoulement - Google Patents

Centrale hydraulique guidée par écoulement Download PDF

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Publication number
WO2021080179A1
WO2021080179A1 PCT/KR2020/012384 KR2020012384W WO2021080179A1 WO 2021080179 A1 WO2021080179 A1 WO 2021080179A1 KR 2020012384 W KR2020012384 W KR 2020012384W WO 2021080179 A1 WO2021080179 A1 WO 2021080179A1
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WIPO (PCT)
Prior art keywords
case
flow
power plant
generator
aberration
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PCT/KR2020/012384
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English (en)
Korean (ko)
Inventor
소진대
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주식회사 리오에너지
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Publication of WO2021080179A1 publication Critical patent/WO2021080179A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/08—Machine or engine aggregates in dams or the like; Conduits therefor, e.g. diffusors
    • F03B13/083—The generator rotor being mounted as turbine rotor rim
    • 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
    • F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
    • F03B11/02—Casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B17/00—Other machines or engines
    • F03B17/06—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head"
    • F03B17/061—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head" with rotation axis substantially in flow direction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/10—Stators
    • F05B2240/14—Casings, housings, nacelles, gondels or the like, protecting or supporting assemblies there within
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • the present invention relates to a multi-type flow induction hydroelectric power plant. Specifically, the present invention relates to a multi-type flow-guided hydroelectric power plant that can be conveniently installed in an area where a waterway or flow path exists, such as a river or a river, and is convenient for maintenance.
  • Hydroelectric power is an energy technology suitable for preventing warming in a situation where the supply stability is excellent, the power generation price is stable and relatively cheap in the long term, and the necessity of developing small power with clean energy increases.
  • Conventional hydroelectric power generation mainly uses a drop, which is the potential energy of water, when water flows from a high place to a low place, and a turbine, that is, a water wheel is rotated by the drop and flow rate in the water, and electric energy is generated by a generator outside the water. Take the way.
  • flow-induced power generation is capable of controlling the amount of power generated according to changes in flow rate, flow rate, and pressure. I need a system.
  • the flow induction generator has an inlet portion 10' and an outlet portion 8'having a smaller cross-sectional area than the inlet portion 10' in the flow path of water W, and forms a water channel channel.
  • a housing (H) is installed, an aberration (12') and a generator (14') connected to the rotating shaft of the aberration (12') are installed at the outlet (8'), and the power of the generator (14') is converted into an inverter ( 18') and telegraph poles (20').
  • the water flowing into the housing H is gradually accelerated as it flows through a channel whose cross-sectional area gradually decreases, and the water wheel 12' is rotated at high speed by the increased kinetic energy of the water.
  • Patent No. 10-1932965 the applicant proposed a generator in which the lower part of the inlet is opened and the generator is mounted on the outside of the housing.
  • the present invention is based on the above development progress, as well as a single type to complete a multi-type flow induction type hydroelectric power plant with excellent power generation efficiency and power generation capacity.
  • An object of the present invention is to provide an economical and efficient flow-guided hydroelectric power plant that can be conveniently and safely constructed anywhere a flow path exists, such as a river or a river.
  • the flow-guided hydroelectric power plant includes: a case whose cross-sectional area becomes narrower as it goes downstream, a generator assembly including an aberration installed at the outlet of the case and a generator connected to the aberration; A side rib having a plurality of horizontal ribs and a plurality of vertical ribs attached to a side surface of the case; An upper rib having a plurality of horizontal ribs and a plurality of vertical ribs attached to the upper surface of the case; And a cage mounted around the generator assembly.
  • a power plant having a plurality of generator assemblies is configured by connecting a plurality of cages to which the generator assemblies are coupled in parallel.
  • the flow-guided hydroelectric power plant includes a first split case that has a narrower cross-sectional area as it goes downstream, a first aberration installed at the outlet of the first split case, and a generator connected to the first aberration.
  • Generator assembly A second division case that has a narrower cross-sectional area as it goes downstream, a second aberration installed at the outlet of the second division case, and a generator connected to the second aberration, and arranged adjacent to the first generator assembly and arranged on a side surface.
  • a second generator assembly And it is integrally installed so as to increase the height and width as it goes upstream to integrate the first and second split cases, and vertical bars for guiding the inflow of water from both sides are installed, and at least the first and the second so as to sufficiently induce the inflow of water.
  • Inlet case having a length of more than the divided case; The water that has passed through the inlet case branches and flows into the first and second split cases to rotate the first and second aberrations.
  • a side rib composed of a plurality of horizontal ribs and vertical ribs attached to fit the shape of each of the first and second divided cases;
  • An upper rib consisting of a horizontal rib and a vertical rib attached to fit the shape of the first divided and second divided cases; It further includes.
  • the present invention exhibits the effect of providing an eco-friendly hydroelectric power plant because the completion operation is convenient, simple and quick, maintenance is convenient, and the operation of moving or dismantling the power plant is simple and no waste is left.
  • the present invention has the effect of providing a flow-guided hydroelectric power plant in which a plurality of generator assemblies are arranged in parallel and the inflow of water can be quickly and consistently maintained.
  • the present invention is easy to manufacture and install by small-sized manufacturing of a generator and aberration flow inducing device, so that the economical efficiency can be improved by the effect of increasing the economic efficiency by reducing the cost and the effect of increasing the power generation utilization rate. This is possible, and it has the effect of providing a multi-type flow-guided hydroelectric power plant that can greatly alleviate the constraints of installation by reducing the rise in water level.
  • FIG. 1 is a conceptual diagram of a flow induction generator.
  • FIG. 2 is a perspective view of a generator assembly of a flow-guided hydroelectric power plant.
  • Figure 3 is a view showing a process of installing the side ribs in Figure 2;
  • Figure 4 is a view showing a process of installing the upper rib in Figure 3;
  • Figure 5 is a view showing a process of installing the cage in Figure 4.
  • Figure 6 is a view for explaining the construction process of the support frame according to an embodiment of the present invention.
  • FIG. 7 is a view of a flow-guided hydroelectric power plant finally completed by installing the cage containing the generator assembly on the support frame.
  • Figure 8 is a perspective view of a flow-guided hydropower plant installed by connecting two generator assemblies in parallel as another embodiment of the present invention.
  • FIG. 9 is a perspective view as viewed from the front (downstream side) of a flow-guided hydroelectric power plant installed by connecting three generator assemblies in parallel;
  • Fig. 10 is a perspective view of Fig. 9 as viewed from the rear (upstream side).
  • FIG. 11 is a perspective view of a flow-induced hydropower plant installed by connecting two generator assemblies in parallel according to another embodiment of the present invention.
  • FIG. 12 is a perspective view of a quadruple-type flow-guided hydroelectric power plant in which two generator assemblies are connected in parallel according to another embodiment of the present invention and arranged in two layers.
  • Each embodiment according to the present invention is only one example for aiding understanding of the present invention, and the present invention is not limited to these embodiments.
  • the present invention may be configured with a combination of at least any one or more of individual configurations and individual functions included in each embodiment.
  • the generator assembly 10 included in the flow-guided hydroelectric power plant is accommodated and coupled to the front of the first case 14 and the first case 14, which have a narrower cross-sectional area as shown in FIG.
  • the exterior is defined as a housing made of a second case 14A whose cross-sectional area is narrowed.
  • a water wheel 2 is installed at the outlet 16 of the front side of the second case 14A-the downstream side in the flow of water.
  • the aberration 2 is operatively connected to the generator via a rotating shaft not shown in detail.
  • the generator assembly 10 is merely an example, and any of them may be appropriately adopted in consideration of factors such as a flow of water, a structure of a river, and an amount of power required.
  • side ribs 20 are installed on the left and right sides of the generator assembly 10 as shown in FIG. 3.
  • the side ribs 20 include a first side rib 22 made of a plurality of first horizontal ribs 22a and a first vertical rib 22b to be attached to the first case 14, and a second case 14A. It includes a second side rib 24 consisting of a plurality of second horizontal ribs (24a) and second vertical ribs (24b) to be attached to.
  • Each rib of the second side rib 24 has a length and height smaller than that of the first side rib 22 to fit the side size of the housing that decreases as it goes downstream, and the grid area between the ribs is also designed to be relatively small. do.
  • an upper rib 30 is installed on the upper part of the generator assembly 10 as shown in FIG. 4.
  • the upper rib 30 includes a first upper rib 32 comprising a plurality of first horizontal ribs 32a and a first vertical rib 32b to be attached to the first case 14, and a second case 14A. It includes a second upper rib 34 consisting of a plurality of second horizontal ribs (34a) and second vertical ribs (34b) to be attached to.
  • Each rib of the second upper rib 34 has a length and height smaller than that of the first upper rib 32 so as to fit the size of the upper surface of the housing that decreases as it goes downstream, and the grid area between the ribs is also designed to be relatively small. do.
  • the side ribs 20 and the upper ribs 30 are made of angles and pipes made of iron, and are in close contact and fixed along the outer surface of the housing 12.
  • a cage 50 is installed around the generator assembly 10.
  • the cage 50 has a long tetrahedral shape, and the rear (upstream portion) is opened for inflow of water.
  • the cage 50 extends along the length of the housing 12 to each side adjacent to each side of the lower and upper bars 56 and 58, and four corner bars vertically connecting the upper and lower bars 56.58, respectively.
  • the appearance is formed with (66).
  • reinforcing bars 54 for strengthening the structure are installed at regular intervals over the front and both sides.
  • Upper and lower support bars 52a and 52b are installed between the front corner bars 66.
  • the cage 50 is preferably manufactured in a long tetrahedral shape having a constant width and length over the upstream and downstream to be suitable to be installed inside the support frame 100.
  • connecting rods 62 extend toward the inside of the cage 50 from the reinforcing bars 54 on the side and the top and are fixed to the housing 12.
  • the connecting rod 62 When the cage 50 is moved and installed, the side and upper surfaces of the housing 12 are supported by the connecting rod 62, and the lower surface is supported by the reinforcing bar 54, so that the generator assembly 10 can be stably supported.
  • a vertical post 104 is integrally installed at one end of each side wall 102, that is, an upstream portion through which water flows-the rear side in FIG. 6 -.
  • a vertical post 104 is further installed in the middle between the vertical posts on both sides, and each vertical post 104 is connected with a reinforcing bar 106 to reinforce the structure.
  • An inlet wall 108 may be further installed at the lower portion of the upstream portion to cross the side wall 102 to reinforce the support frame 100. Since the support frame 100 is constructed with a simple structure made of a material such as concrete, it can be completed within a short time.
  • the support frame 100 serves as a gate guiding the inflow of water.
  • FIG. 7 shows a flow-guided hydroelectric power plant 1 that is finally completed by installing the cage 50 accommodating the generator assembly 10 on the support frame 100.
  • the construction work is very convenient, simple, and quick as it is only necessary to assemble the cage 50 in the factory and transport it to the power plant installation site and place it in the space of the support frame 100 using, for example, a crane such as a crane.
  • the maintenance of the power plant is convenient, the operation of moving or dismantling the power plant is simple, and since almost no waste is left, it is possible to construct an eco-friendly hydroelectric power plant (1).
  • a girder bridge consisting of a vertical bridge 100A and a horizontal bridge 100B is installed on the upper and lower sides of the cage 50 to fix the cage, and at the same time increase the fixed strength and install and serve as a worktable during lifting work. Do it.
  • These girder bridges can also be installed when manufacturing the above-described cage 50.
  • the amount of power generation and efficiency are determined by the flow rate and the flow rate, and the flow rate can be adjusted according to the correlation between the hydraulic amount and the outflow amount.
  • the flow rate and the size of the discharge channel are limited, many restrictions are placed on the production and facilities of large-capacity generators. There is a problem in that there is a limit to the large-sized facility due to the limited channel and flow rate, and the power generation efficiency is also low.
  • a box-shaped channel with a width of 4 m and a length of 4 m is a general channel shape. If you try to increase the power generation capacity by increasing the facility capacity in this channel, the manufacturing cost increases due to the facility size of the channel, water wheel, and generator. In addition, there occurs a phenomenon in which the power generation efficiency decreases due to the excess flow rate being discharged due to the creation of a free space. There is a problem that the flow rate increases and the water level rises in inverse proportion to the diameter of the outlet.
  • P 1 is the aberration output (kW)
  • ⁇ is the water density
  • A is the aberration inlet cross-sectional area (m 2 )
  • V is the flow velocity
  • ⁇ ⁇ is the efficiency of the aberration.
  • the total effective generation of flow-induced hydroelectric power generation is the following equation, taking into account the efficiency of the generator and inverter:
  • the discharge area is 1.77m2 and the flow velocity is 3.95m/s, and the installed capacity of power generation is 55kw.
  • the discharge area increases by 28% to 2.26m2
  • the flow velocity decreases by 22% to 3.09m/s
  • a multi-type flow-guided hydroelectric power plant If a multi-type flow-guided hydroelectric power plant is manufactured, it is easy to manufacture and install with a small-sized division of the generator and aberration flow induction device, so that economic efficiency can be improved with the effect of increasing the economic efficiency by reducing the cost and the effect of increasing the power generation utilization rate. In addition, even if one power plant fails, continuous power generation is possible with the other facility, and it is possible to greatly alleviate the constraints of installation by reducing the rise in water level.
  • the multi-type flow induction hydroelectric power plant is based on the above-described single-type power plant.
  • FIG. 8 is a perspective view of a flow-guided hydroelectric power plant 1 in which two generator assemblies 10 of the present invention are connected in parallel, and two generator assemblies 10 are manufactured and divided by half the width of the generator assembly 10. .
  • the parallel connection of the generator assembly 10 has the same effect as the parallel connection of electric circuits.
  • Each generator assembly 10 produces half of the total amount of power, and therefore, when the power demand is not large, the power supply can be efficiently controlled by controlling the operation of one assembly 10 to be stopped.
  • power can be supplied to several places by independently connecting the grid for each generator assembly 10 to construct a power transmission line.
  • FIG. 9 is a perspective view of a flow-guided hydroelectric power plant installed by connecting three generator assemblies 10 in parallel, viewed from the front (downstream side), and FIG. 10 is a perspective view viewed from the rear (upstream side).
  • a fixed support structure constructed with a simple structure made of concrete-like material on both sides of the river or river at the selected location is completed.
  • the width of the generator assembly 10 is reduced to 1/3 and three are manufactured and installed directly in the river.
  • a long crossbar 300 is installed along the upper surfaces of both sides of the cage 50, and a guide portion 302 of a right-angled triangle shape is installed integrally with the crossbar 300 at the introduction of water.
  • a fixed support 400 located on land may be further installed.
  • a guide having the same function as a vane of “v” or “/” or “ ⁇ ” shape expanded toward the upstream of the water is formed.
  • the water flowing toward the hydroelectric power plant can be introduced as quickly as possible, and in particular, the effect of initially accelerating the water by the slope of the guide unit 302 can be expected. Since the crossbar 300 and the guide portion 302 are further provided to serve as the support frame 100, a river temporary structure is unnecessary.
  • FIG. 11 is a perspective view of a flow-guided hydroelectric power plant 1 installed by connecting two generator assemblies 10 in parallel according to another embodiment of the present invention.
  • the ribs and casings are omitted.
  • the power plant assembly 10 of the first power plant 10A located on the right side of the drawing is accommodated in the first split case 140a, and a first aberration 2a is installed at the outlet.
  • the power plant assembly 10 of the second power plant 10B located on the left is accommodated in the second split case 140b, and a second aberration 2b is installed at the outlet.
  • an inlet case 140c whose height and width increase as it goes upstream is integrally installed to integrate the first and second split cases 140a and 140b. Since the divided and inlet case is inclined downward as it goes further downstream, water is discharged quickly, and the effect of water flowing along the slope provided by the case can be expected to accelerate.
  • the outlet adjacent to the aberration may be square or circular.
  • Long rectangular planar vertical bars 1000 are installed from both sides of the inlet case 140c, and the rear of the inlet case 140c provides water inlet 1002.
  • the vertical pole 1000 collects water flowing into the flow-guided hydroelectric power plant 1, and helps to be uniformly introduced through the inlet 1002 without being scattered by turbulence or spreading to the side.
  • the upper part 1000a of the vertical stand 1000 is installed higher than the water level to prevent overflow of water.
  • the inlet case 140c has a length of at least the first and second split cases 140a and 140b to sufficiently induce the incoming water, and the water passing through the inlet case 140c is each of the first and second split cases ( It diverges to 140a and 140b and flows to rotate the first and second aberrations 2a and 2b.
  • the introduction of the inlet case (140c) stabilizes the flow of water compared to the other case, and in particular, it is possible to prevent the loss of power due to turbulence or rapid current at the beginning of the introduction of water, and the same flow rate can be supplied to a plurality of power plants. Is advantageous in
  • FIG. 12 is a perspective view of a quadruple-type flow-guided hydroelectric power plant 1 in which two generator assemblies 10 are connected in parallel according to another embodiment of the present invention and arranged in two layers. 12 shows four divided power plants, thus having four aberrations (2a 1 , 2a 2 , 2a 3 , 2a 4 ) as shown, and four divided cases (140a 1 , 140a 2 , 140b 1 , 140b) 2 ) is provided. Other configurations are the same as in the embodiment of FIG. 11, so a detailed description thereof will be omitted.
  • the embodiment of FIG. 12 is particularly suitable for installing a flow-guided hydroelectric power plant in a deep water depth.
  • the flow-guided hydroelectric power plant according to the present invention can be manufactured by dividing the generator, the water wheel, and the flow inducing device, thereby minimizing the cost consumption associated with manufacturing and installation, thereby increasing the economic efficiency and power generation utilization rate due to cost reduction. I can bring it.

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

Abstract

La présente invention concerne une centrale hydraulique guidée par écoulement économique et efficace qui peut être construite de manière pratique et sûre en n'importe quel endroit avec un trajet d'écoulement tel que des rivières et des courants.
PCT/KR2020/012384 2019-10-25 2020-09-14 Centrale hydraulique guidée par écoulement WO2021080179A1 (fr)

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KR10-2019-0133767 2019-10-25
KR1020190133767A KR102090182B1 (ko) 2019-10-25 2019-10-25 멀티형 흐름 유도식 수력발전소

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Publication number Priority date Publication date Assignee Title
KR102090182B1 (ko) * 2019-10-25 2020-03-17 소진대 멀티형 흐름 유도식 수력발전소
KR102155781B1 (ko) * 2020-04-17 2020-09-15 주식회사 리오에너지 노출형 발전기를 구비한 흐름 유도식 수력발전기

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014122731A1 (fr) * 2013-02-05 2014-08-14 株式会社音力発電 Système de génération d'énergie
KR20140146046A (ko) * 2013-03-25 2014-12-24 항저우 엘에이치디 인스티튜트 오브 뉴 에너지, 엘엘씨 모듈화된 해양 에너지 발전장치
KR20150080713A (ko) * 2014-01-02 2015-07-10 윈드로즈(주) 수로 발전장치
KR20150092482A (ko) * 2014-02-05 2015-08-13 윈드로즈(주) 수로발전 장치
CN108050004A (zh) * 2017-12-21 2018-05-18 天津市凯达重型水电设备制造有限公司 恒压式水电站尾管
KR102090182B1 (ko) * 2019-10-25 2020-03-17 소진대 멀티형 흐름 유도식 수력발전소

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014122731A1 (fr) * 2013-02-05 2014-08-14 株式会社音力発電 Système de génération d'énergie
KR20140146046A (ko) * 2013-03-25 2014-12-24 항저우 엘에이치디 인스티튜트 오브 뉴 에너지, 엘엘씨 모듈화된 해양 에너지 발전장치
KR20150080713A (ko) * 2014-01-02 2015-07-10 윈드로즈(주) 수로 발전장치
KR20150092482A (ko) * 2014-02-05 2015-08-13 윈드로즈(주) 수로발전 장치
CN108050004A (zh) * 2017-12-21 2018-05-18 天津市凯达重型水电设备制造有限公司 恒压式水电站尾管
KR102090182B1 (ko) * 2019-10-25 2020-03-17 소진대 멀티형 흐름 유도식 수력발전소

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