CN117450005A - Shallow water and deep water floating type power generation system and construction method - Google Patents

Shallow water and deep water floating type power generation system and construction method Download PDF

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Publication number
CN117450005A
CN117450005A CN202311468805.4A CN202311468805A CN117450005A CN 117450005 A CN117450005 A CN 117450005A CN 202311468805 A CN202311468805 A CN 202311468805A CN 117450005 A CN117450005 A CN 117450005A
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CN
China
Prior art keywords
water
shallow
power generation
generation system
buoyancy tank
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.)
Pending
Application number
CN202311468805.4A
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Chinese (zh)
Inventor
薛冻
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hebei Dafengge New Energy Technology Co ltd
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Hebei Dafengge New Energy Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hebei Dafengge New Energy Technology Co ltd filed Critical Hebei Dafengge New Energy Technology Co ltd
Priority to CN202311468805.4A priority Critical patent/CN117450005A/en
Publication of CN117450005A publication Critical patent/CN117450005A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B9/00—Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B9/00—Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same
    • E02B9/02—Water-ways
    • 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
    • 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
    • F03B11/08—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator for removing foreign matter, e.g. mud
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • B63B2035/4433—Floating structures carrying electric power plants
    • B63B2035/4466—Floating structures carrying electric power plants for converting water energy into electric energy, e.g. from tidal flows, waves or currents
    • 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
    • F05B2220/00—Application
    • F05B2220/70—Application in combination with
    • F05B2220/706—Application in combination with an electrical generator
    • 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
    • F05B2240/90—Mounting on supporting structures or systems
    • F05B2240/93—Mounting on supporting structures or systems on a structure floating on a liquid surface
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy

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

Abstract

The invention discloses a shallow water and deep water floating type power generation system which comprises a flow passage groove arranged on a riverbed at the bottom of a riverway, a buoyancy tank arranged above the flow passage groove, a generator arranged on the buoyancy tank and a water wheel arranged in the flow passage groove, wherein the water wheel is in transmission connection with the generator, a fixed upright post is arranged in the riverway, the buoyancy tank is in sliding connection with the upright post, the water wheel faces the flowing direction of water flow in the flow passage groove, and the buoyancy tank floats on the water surface of the riverway. The water trough is lower than the river bed, so that the depth of water at the position of the water trough is deepened, and the water wheel is positioned in the water trough, so that when the depth of river water is shallow, the normal installation and use of the invention can be ensured.

Description

Shallow water and deep water floating type power generation system and construction method
Technical Field
The invention relates to the technical field of hydroelectric power generation, in particular to a shallow water and deep water floating type power generation system and a construction method.
Background
At present, a hydroelectric power station needs to build a river blocking dam so as to improve the drop of a river. Thus, natural environment can be destroyed, and the reproduction of the seasonally-moving fish is affected. Residents in a storage reservoir area need to be moved before a barrage is built, and because hydroelectric power stations are usually located in remote mountain areas, inconvenient transportation of building materials can be caused due to inconvenient transportation. The construction cost of the hydroelectric power station is high, and the investment recovery period is also long. In addition, the construction of a barrage also affects the navigabion of a river.
There are also hydroelectric generators installed directly in the river, which are commonly referred to as water current generators. The water depth of the river channel is required by the water flow generator, the water wheel of the water flow generator is always submerged in water in the dead water period, and the water flow generator cannot be too close to the river bed during installation in order to prevent the influence of sediment in the river bed. Such a hydroelectric generator cannot be used in shallow water (e.g., 2-3 meters deep). In the river of our country, the water depth of many rivers is shallow, if the water depth is utilized, a large amount of clean electric energy can be generated for generating electricity.
Disclosure of Invention
The invention aims to provide a shallow water and deep water floating type power generation system and a construction method thereof, which are used for solving the problem that the existing water flow generator cannot be used in a shallow water area.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a shallow water and deep water float formula power generation system, includes the chute that sets up on the riverbed of river course bottom, sets up the flotation tank in the chute top, sets up generator and the water wheel of setting in the chute that crosses on the flotation tank, the water wheel is connected with the generator transmission, be equipped with fixed stand in the river course, flotation tank and stand sliding connection, the water wheel is towards the coming of the interior rivers of chute that cross, the flotation tank floats on the surface of water of river course.
Further, the lower part of the upright post is inserted into the riverbed, and the upper part of the upright post is in sliding connection with the buoyancy tank.
Further, the lower part of the upright post is fixedly connected with the riverbed, and the upper part of the upright post is in sliding connection with the buoyancy tank.
Further, the overflow groove is arranged along the central line of the river channel.
Further, the buoyancy tanks are sequentially connected along the length direction of the flow trough, and the generators and the water wheels are respectively corresponding to the buoyancy tanks.
Further, the inlet of the flow trough is provided with a filter screen.
Furthermore, the inlet of the overflow groove is provided with an inclined water diversion groove, and the width of the water diversion groove gradually decreases from the water inlet end to the water outlet end.
Further, the cross section of the flow trough is in an inverted trapezoid shape with a wide upper part and a narrow lower part.
Further, the top of the overflow groove is level with the riverbed of the riverway.
A method for constructing a shallow water and deep water floating power generation system is used for constructing the shallow water and deep water floating power generation system, and comprises the following steps:
s1, ditching in a river channel along the water flow direction, paving a through-flow groove in the channel, wherein the through-flow groove is formed by pouring concrete on site or is prefabricated in a direct installation factory;
s2, respectively inserting upright posts on the riverbeds at two sides of the overflow groove, or fixing upper upright posts at two edges of the overflow groove;
s3, connecting the generator, the buoyancy tank and the water wheel into a whole;
s4, enabling the upright post to pass through a buoyancy tank, and enabling the buoyancy tank to float on the water surface.
The invention has the positive effects that:
1. the river channel is provided with the overflow groove, and the overflow groove is lower than the river bed, so that the depth of water at the position of the overflow groove is deepened, and the water wheel of the water flow generator is positioned in the overflow groove, so that the normal installation and use of the river channel can be ensured when the depth of the river water is shallow.
2. The overflow groove is arranged along the central line of the river channel, so that the normal navigation of the river channel is not affected.
3. The water flow generator is arranged on the buoyancy tank, the buoyancy tank floats on the water surface, the buoyancy tank is in sliding connection with the upright post in the river channel, and the buoyancy tank can change along with the water level change, so that the water flow generator can be always positioned in river water, and the normal operation of the water flow generator is ensured.
4. The overflow groove is prefabricated in a factory, can be produced in batch, is spliced and installed on site, and is prefabricated with holes connected with the upright posts, so that the construction and installation efficiency on site is greatly improved.
5. The water inlet end of the flow trough is provided with a filter screen, so that sundries can be prevented from entering the flow trough and then winding on the water wheel to influence the rotation of the water wheel.
Drawings
Fig. 1 is a schematic structural view of embodiment 1;
FIG. 2 is a cross-sectional view of the portion A-A of FIG. 1;
FIG. 3 is a top view of FIG. 1;
FIG. 4 is a schematic diagram of example 2;
FIG. 5 is a schematic diagram of example 3;
in the figure:
1. river course; 2. a column; 3. a connecting plate; 4. a generator; 5. a buoyancy tank; 6. a flow trough; 7. a water wheel; 8. a transmission case; 9. a mounting arm; 10. a water diversion trench; 11. and (3) a filter screen.
Detailed Description
Example 1
As shown in fig. 1, 2 and 3, a shallow and deep water floating power generation system comprises a runner 6 laid on a river bed at the bottom of a river channel 1, a buoyancy tank 5 arranged above the runner 6, a generator 4 fixedly arranged at the top of the buoyancy tank 5, and a water wheel 7 arranged in the runner 6. The cross section of the overflow groove 6 is in an inverted trapezoid shape with a wide upper part and a narrow lower part, a downward mounting arm 9 is fixedly arranged on the bottom surface of the buoyancy tank 5, a transmission case 8 is fixedly arranged at the bottom of the mounting arm 9, a transmission shaft penetrating through the buoyancy tank 5 is rotationally connected with the mounting arm 9, and the water wheel 7 is in transmission connection with a generator through a gear in the transmission case 8 and the transmission shaft. The upright posts 2 are inserted into the river channel 1 at two sides of the overflow groove 6, and the buoyancy tank 5 is connected with the upright posts 2 in a penetrating and sliding manner. In fig. 1, the water wheel 7 is left, and the buoyancy tank 5 floats on the water surface of the river channel 1.
The generator 4, the mounting arm 9, the transmission case 8 and the water wheel 7 form a water flow generator.
The buoyancy tanks 5 are sequentially connected along the length direction of the flow trough 6 through the connecting plates 3 arranged between the adjacent buoyancy tanks 5, and the generators 4 and the water wheels 7 are respectively corresponding to the buoyancy tanks 5.
The overflow groove 6 is arranged along the central line of the river channel 1, so that the influence on the ships sailing on the two sides in the river channel 1 is avoided.
The top of the overflow groove 6 is flush with the riverbed of the riverway 1, an inclined water diversion groove 10 is arranged at the inlet of the left end of the overflow groove 6, and the width of the water diversion groove 10 is gradually reduced from left to right. The water diversion trench 10 can reduce the sediment amount entering the water diversion trench 6, and can accelerate the water entering the water diversion trench 10 at the same time so as to increase the rotating speed of the water wheel 7 and increase the generated energy.
In this embodiment, the construction method of the present invention is:
s1, ditching a ditch along the water flow direction in the center of a river channel 1, and pouring concrete in the ditch to form a through-flow groove 6;
s2, respectively inserting upright posts 2 on the riverbeds at two sides of the overflow groove 6;
s3, connecting the generators 4, the transmission case 8, the water wheels 7, the mounting arms 9 and the corresponding buoyancy tanks 5 into a whole;
s4, two upright posts 2 penetrate through the left buoyancy tank 5, the buoyancy tank 5 floats on the water surface, and the adjacent buoyancy tanks 6 are connected through the two connecting plates 3, and bolts and nuts can be adopted during connection.
After the water flow in the river channel 1 flows into the launder 6, each water wheel 7 is pushed, and the generator 4 can be driven to generate electricity. The total amount of power generation can be adjusted by adjusting the number of buoyancy tanks 5 and corresponding water flow generators.
The invention increases the water depth of the position of the water flow generator by arranging the flow trough 6, so that the normal installation and use of the invention can be ensured when the water depth of the river is shallow (for example, less than one meter).
Example 2
As shown in fig. 4, this embodiment is different from embodiment 1 in that:
the overflow grooves 6 are a plurality of sections corresponding to the floating boxes 5 in number, the overflow grooves 6 are prefabricated and formed in a factory, and holes for connecting with the lower ends of the upright posts 2 are prefabricated at the edges.
During field installation, the overflow grooves 6 are sequentially laid in the grooves dug on the river bed in advance, then the upright posts 2 are inserted into the prefabricated holes on the overflow grooves 6 and fixed with the overflow grooves 6, and then the upright posts 2 are inserted into the holes correspondingly arranged on the buoyancy tanks 5.
Thus, in the present embodiment, the launder 6 can be mass-produced in a factory to be spliced on site, thereby greatly improving the construction and installation efficiency on site.
Example 3
As shown in fig. 5, this embodiment is different from embodiment 1 in that:
the left end of the overflow groove 6 is provided with a filter screen 11. Sundries such as plastic bottles, weeds, films and the like in river water can be blocked through the filter screen 11, and the sundries are prevented from entering the launder 6 through the water diversion trench 10 and then winding on the water wheel 7, so that the rotation of the water wheel 7 is prevented from being influenced.
The foregoing description of the embodiments of the present invention has been presented only to illustrate the technical spirit and features of the present invention, and it is intended to enable those skilled in the art to understand the present invention and to implement it, but not to limit the scope of the present invention only by the present embodiments, i.e. equivalent changes or modifications to the spirit of the present invention disclosed herein, and it is intended for those skilled in the art to make local improvements in the system and changes, variations between subsystems, etc. within the scope of the present invention without departing from the structure of the present invention. At present, the technical scheme of the application has been subjected to pilot-scale experiments, namely small-scale experiments of products before large-scale mass production; after the pilot test is completed, the use investigation of the user is performed in a small range, and the investigation result shows that the user satisfaction is higher; now, the industrialization of the formal production of the product is prepared, including the early warning investigation of intellectual property risks.

Claims (10)

1. Shallow water and deep water float formula power generation system, its characterized in that, including setting up on the riverbed of riverway (1) bottom cross chute (6), set up in the buoyancy tank (5) of crossing chute (6) top, set up generator (4) and the water wheels (7) of setting in crossing chute (6), water wheels (7) are connected with generator (4) transmission, be equipped with fixed stand (2) in riverway (1), buoyancy tank (5) and stand (2) sliding connection, the water wheels (7) are towards the arrival of crossing the interior rivers of chute (6), buoyancy tank (5) float on the surface of water of riverway (1).
2. A shallow and deep water floating power generation system according to claim 1, wherein the lower part of the upright post (2) is inserted into the river bed, and the upper part of the upright post (2) is slidingly connected with the buoyancy tank (5).
3. The shallow and deep water floating type power generation system according to claim 1, wherein the lower part of the upright post (2) is fixedly connected with a river bed, and the upper part of the upright post (2) is slidingly connected with a buoyancy tank (5).
4. Shallow and deep water floating power generation system according to claim 1, characterized in that the launder (6) is arranged along the centre line of the river channel (1).
5. The shallow and deep water floating type power generation system according to claim 1, wherein the buoyancy tanks (5) are a plurality of connected in sequence along the length direction of the overflow groove (6), and the generators (4) and the water wheels (7) are a plurality of corresponding to the buoyancy tanks (5) respectively.
6. Shallow and deep water floating power generation system according to claim 1, characterized in that the inlet of the launder (6) is provided with a filter screen (11).
7. Shallow and deep water floating power generation system according to claim 1, characterized in that the inlet of the launder (6) is provided with an inclined water diversion trench (10), the width of the water diversion trench (10) gradually decreases from the water inlet end to the water outlet end.
8. Shallow and deep water floating power generation system according to claim 1, characterized in that the cross section of the launder (6) is an inverted trapezoid with a wide upper part and a narrow lower part.
9. A shallow and deep water floating power generation system according to claim 1, characterized in that the top of the overflow trough (6) is flush with the riverbed of the riverway (1).
10. A method for constructing a shallow and deep water floating power generation system according to any one of claims 1 to 9, comprising the steps of:
s1, ditching a river channel (1) along the water flow direction, paving a through-flow groove (6) in the river channel, and pouring concrete on site to form the through-flow groove (6) or prefabricating the through-flow groove in a direct installation factory;
s2, respectively inserting upright posts (2) on the riverbeds at two sides of the overflow groove (6), or fixing the upper upright posts (2) at two edges of the overflow groove (6);
s3, connecting the generator (4), the buoyancy tank (5) and the water wheel (7) into a whole;
s4, enabling the upright post (2) to pass through the buoyancy tank (5), and enabling the buoyancy tank (5) to float on the water surface.
CN202311468805.4A 2023-11-07 2023-11-07 Shallow water and deep water floating type power generation system and construction method Pending CN117450005A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311468805.4A CN117450005A (en) 2023-11-07 2023-11-07 Shallow water and deep water floating type power generation system and construction method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311468805.4A CN117450005A (en) 2023-11-07 2023-11-07 Shallow water and deep water floating type power generation system and construction method

Publications (1)

Publication Number Publication Date
CN117450005A true CN117450005A (en) 2024-01-26

Family

ID=89579714

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311468805.4A Pending CN117450005A (en) 2023-11-07 2023-11-07 Shallow water and deep water floating type power generation system and construction method

Country Status (1)

Country Link
CN (1) CN117450005A (en)

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