CN110080928B - Hydroelectric generating set structure for reutilizing tail water of power station - Google Patents
Hydroelectric generating set structure for reutilizing tail water of power station Download PDFInfo
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- CN110080928B CN110080928B CN201910412081.9A CN201910412081A CN110080928B CN 110080928 B CN110080928 B CN 110080928B CN 201910412081 A CN201910412081 A CN 201910412081A CN 110080928 B CN110080928 B CN 110080928B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 101
- 229910000617 Mangalloy Inorganic materials 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 238000004064 recycling Methods 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000010248 power generation Methods 0.000 abstract description 21
- 238000012423 maintenance Methods 0.000 abstract description 11
- 238000009434 installation Methods 0.000 abstract description 8
- 241000251468 Actinopterygii Species 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 2
- 101000927062 Haematobia irritans exigua Aquaporin Proteins 0.000 description 16
- 230000002035 prolonged effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000005611 electricity Effects 0.000 description 5
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 230000005672 electromagnetic field Effects 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 238000005381 potential energy Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- 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
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- 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
- E02B9/04—Free-flow canals or flumes; Intakes
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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
- 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
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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
-
- 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
-
- 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
- F03B15/00—Controlling
- F03B15/02—Controlling by varying liquid flow
- F03B15/04—Controlling by varying liquid flow of turbines
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- 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)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention discloses a hydroelectric generating set structure for reutilizing tail water of a power station, which comprises a tail water channel, wherein embankments are arranged on two sides of the tail water channel, two openings are arranged on the embankments on one side, a U-shaped frame is fixed in one of the openings, a flow control device is arranged on the U-shaped frame, the tail water channel is connected with a first branch channel through one of the openings, one end of the first branch channel is connected with a second branch channel, the second branch channel is connected with one side of the tail water channel through the other opening, and guide rails and two supporting blocks are arranged on two sides of the second branch channel. The invention has reasonable structure, can flexibly adjust the flow of tail water to ensure that the power generation efficiency is maximized in the bearing range of the water turbine, has simple installation method, is convenient for daily overhaul and maintenance, can effectively isolate surrounding fishes, protects the ecological environment, can effectively protect the water turbine, prolongs the service life of the device, and is worth popularizing.
Description
Technical Field
The invention relates to the technical field of hydroelectric generating sets, in particular to a hydroelectric generating set structure for reutilizing tail water of a power station.
Background
With the consumption of non-renewable energy sources, green, environment-friendly and renewable energy sources are greatly developed as energy strategies which are highly valued and actively supported by the country, water and electricity construction are highly valued by the country, more than 46700 large-dam hydropower stations with different sizes are built in recent decades, however, the original natural ecological environment is seriously influenced by the negative effect of the large-dam hydropower stations, and the site selection resources of the currently available large-dam hydropower stations are basically exhausted, so that the country strictly controls newly-built large-dam hydropower stations, in addition, as the natural ecological environment is seriously influenced by the large-dam hydropower stations, a novel low-head hydropower station is developed on the condition that the large-dam hydropower stations are not built, the necessary direction and important trend of developing hydropower under the new situation are realized, the large-dam hydropower stations mostly adopt the form of high-head hydropower stations, a large amount of tail water after power generation is directly discharged, so that extremely precious resources are wasted, the tail water also contains huge and never exhausted energy, and has extremely recycling value, and a secondary power generation device is realized.
The existing tail water utilization secondary power generation device is small in size, a fixed structure is adopted, the tail water utilization secondary power generation device is difficult to move after installation is completed, maintenance and overhaul are difficult, the tail water flow is inconvenient to adjust in use, if the tail water flow is too large, the problem that dangers such as rushing out exist, the existing power generation device is free of protective equipment, is accelerated by weather, human influence loss and the like, the service life is shortened, the power generation device threatens the survival of surrounding fishes during operation, the ecological balance ecological damage problem exists, and therefore, the water turbine generator set structure is utilized for tail water reuse of a power station to solve the problem.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a hydroelectric generating set structure for reutilizing tail water of a power station.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a hydroelectric generating set structure is recycled to power station tail water, includes the tail water canal, the both sides of tail water canal all are equipped with the dyke, and wherein one side dyke is equipped with two openings, and one of them opening internal fixation has U type frame, be equipped with flow control device on the U type frame, the tail water canal is connected with first branch canal through one of them opening, the one end of first branch canal is connected with the second branch canal, the second branch canal is connected in one side of tail water canal through another opening, the both sides of second branch canal all are equipped with guide rail and two supporting shoe, the upper end of supporting shoe is fixed with the carrier bar, and the upper end of four carrier bars is fixed with the carrier frame jointly, the upper end of carrier frame is equipped with mobile device, the upper end of guide rail is equipped with two spouts, be equipped with protector in the spout, the hydraulic turbine is installed jointly to the both ends lateral wall in the second branch canal, install the spiral case on the hydraulic turbine.
Preferably, the flow control device comprises a hoist fixed at the upper end of the U-shaped frame, sliding grooves are formed in opposite side walls in the U-shaped frame, a flashboard is mounted in the two sliding grooves together, two lugs are fixed at the upper end of the flashboard, a connecting block is connected between the two lugs through a inserted link in a rotating mode, a screw rod is connected at the upper end of the connecting block in a rotating mode, and the upper end of the screw rod penetrates through the U-shaped frame and is mounted in the hoist.
Preferably, the mobile device is including setting up the removal cross platform in the carriage upper end, the upper end both sides of carriage all are equipped with the removal groove, the lower extreme both sides of removing the cross platform all are equipped with two and remove the wheel, and the lower extreme of four removal wheels is contradicted in the bottom of removing the groove, electric block is installed to the lower extreme of removing the cross platform, electric block's lower extreme is connected with the lifting hook through wire rope.
Preferably, the protection device comprises two protection boxes arranged at the upper ends of the two guide rails, two rollers are arranged on two sides of the lower end of each protection box, the two rollers on the same side correspond to the sliding grooves, and the lower ends of the two rollers on the same side are abutted against the bottoms of the corresponding sliding grooves.
Preferably, both sides of the protection box are fixed with fixing blocks, one side of each fixing block is provided with a through hole, and two through holes on the same side are corresponding.
Preferably, limit grooves are formed in two sides of one end of one protection box, limit blocks are arranged in two sides of one end of the other protection box, and the limit blocks on the same side correspond to the limit grooves.
Preferably, the water turbine is an axial flow kaplan turbine.
Preferably, the bottom of the first branch channel is 4-5m higher than the bottom of the second branch channel.
Preferably, a filter plate is mounted on one side of the U-shaped frame.
Preferably, the protection box and the fixed block are integrally formed, and the protection box and the fixed block are made of high manganese steel materials.
The beneficial effects of the invention are as follows:
1. the water turbine is convenient to install by matching the bearing rod, the bearing frame, the movable transverse platform, the steel wire rope and the lifting hook, and is convenient to hoist to the ground for maintenance, so that the problems that the existing power generation device is small in size and difficult to move, maintain and overhaul due to the adoption of a fixed structure are solved, the installation of the water turbine is convenient, and the maintenance efficiency is improved;
2. the U-shaped frame, the flashboard, the screw rod and the headstock gear are matched, the flow of tail water can be flexibly regulated at the bottom of the flashboard to ensure that the power generation efficiency is maximized in the bearing range of the water turbine, the problems that the existing power generation device is inconvenient to regulate the flow of tail water and is in danger of being flushable and the like are solved, and the power generation efficiency and the use safety are effectively improved;
3. the filter plate, the protection box, the guide rail and the fixed block are matched, peripheral fishes are isolated, the upper end of the water turbine is covered to prevent the loss of the water turbine from being accelerated due to artificial and weather reasons, the problem that the loss is accelerated due to the fact that no protective equipment exists outside the existing power generation device is solved, the service life is shortened, the problem that ecological balance ecology is damaged is solved, the safety of the fishes and the water turbine is effectively protected, the service life is prolonged, and the ecological environment is protected;
in summary, the invention has reasonable structure, can flexibly adjust the flow of tail water to ensure that the power generation efficiency is maximized in the bearing range of the water turbine, has simple installation method, is convenient for daily overhaul and maintenance, can effectively isolate surrounding fishes, protects the ecological environment, can effectively protect the water turbine, prolongs the service life of the device, and is worth popularizing.
Drawings
FIG. 1 is a top view of a hydroelectric generating set structure for reutilizing tail water of a power station according to the present invention;
FIG. 2 is a front view of a hydroelectric generating set structure for reutilizing tail water of a power station according to the present invention;
FIG. 3 is a schematic structural view of a U-shaped frame of a hydroelectric generating set structure for reutilizing tail water of a power station;
fig. 4 is a schematic structural diagram of a protection box of a hydroelectric generating set structure for reutilizing tail water of a power station.
In the figure: the hydraulic turbine comprises a tail water channel 1, a filter plate 2, a embankment 3, a hoist 4, a U-shaped frame 5, a first branch channel 6, a second branch channel 7, a volute 8, a chute 9, a movable transverse platform 10, a bearing frame 11, a steel wire rope 12, a guide rail 13, a sliding groove 14, a screw rod 15, a connecting block 16, a hanging lug 17, a flashboard 18, a roller 19, a bearing rod 20, a lifting hook 21, a moving groove 22, an electric hoist 23, a moving wheel 24, a limiting groove 25, a limiting block 26, a fixed block 27, a protection box 28, a through hole 29, a supporting block 30, an opening 31 and a hydraulic turbine 32.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Example 1
Referring to fig. 1, 2, 3 and 4, a hydroelectric generating set structure for reutilizing tail water of a power station comprises a tail water channel 1 for discharging tail water discharged from the power station to the downstream, wherein, dikes 3 are arranged on two sides of the tail water channel 1, one dike 3 is provided with two openings 31, a U-shaped frame 5 is fixed in one opening 31 and is convenient for installing a flashboard 18, a flow control device is arranged on the U-shaped frame 5, the size of the tail water flow can be controlled, the power generation efficiency is maximized in the bearing range of a water turbine 32, a first branch channel 6 is connected with the tail water channel 1 through one opening 31, the tail water is conveniently introduced, one end of the first branch channel 6 is connected with a second branch channel 7, the second branch channel 7 is connected with one side of the tail water channel 1 through the other opening 31, and the tail water for power generation is discharged into the tail water channel 1 again;
the two sides of the second canal 7 are respectively provided with a guide rail 13 and two supporting blocks 30, the upper ends of the supporting blocks 30 are fixedly provided with bearing rods 20, the upper ends of the four bearing rods 20 are jointly fixedly provided with a bearing frame 11, the upper ends of the bearing frames 11 are provided with a moving device, the moving device is convenient for lifting equipment, the installation, the overhaul and the maintenance are convenient, the upper ends of the guide rails 13 are provided with two sliding grooves 9, the inside of the sliding grooves 9 is provided with a protecting device, the opening and the closing of the protecting device can be convenient through the matching of the guide rails 13 and the sliding grooves 9, the overhaul and the maintenance are convenient, the protecting device effectively protects the safety of equipment, the loss of the equipment is prevented from being accelerated due to weather and human factors, and the service life of the equipment is prolonged;
the water turbine 32 is installed together to the both ends lateral wall in the second canal 7, installs spiral case 8 on the water turbine 32, and during operation, tail water is led to spiral case 8 from tail water canal 1 through first canal 6, and in the spiral case 8 led to the water turbine 32 again, when passing through water turbine 32, converts the gravitational potential energy of rivers into mechanical energy, and the pivot of water turbine 32 drives the rotor of generator again, converts mechanical energy into electric energy and exports to reach the purpose of electricity generation.
According to the invention, the flow control device comprises a headstock gear 4 fixed at the upper end of a U-shaped frame 5, the headstock gear 4 adopts a screw headstock gear, a screw rod can be controlled to move up and down by a hand or a equipped driving motor to open and close a gate, along with the wide development of hydraulic and hydroelectric engineering, a large number of gates of engineering projects such as river dikes and hydropower stations in a reservoir pouring area are adopted, sliding grooves 14 are arranged on opposite side walls in the U-shaped frame 5, a flashboard 18 is jointly arranged in the two sliding grooves 14, the flashboard 18 is conveniently limited by the two sliding grooves 14, the up-and-down movement of the flashboard 18 is also convenient to achieve the purpose of adjusting the flow, two hanging lugs 17 are fixed at the upper end of the flashboard 18, a connecting block 16 is connected between the two hanging lugs 17 in a rotating mode through an inserting rod, a screw rod 15 is connected at the upper end of the connecting block 16 in a rotating mode, the upper end of the screw rod 15 penetrates through the U-shaped frame 5 and is arranged in the headstock gear 4, when the flashboard 15 is controlled to move up and down by the driving motor through the connecting rod 15, the screw rod 15 drives the hanging lugs 17 to move up and down through the 16, and thus the hanging lugs 17 drive the flashboard 18 to move up and down, and the purpose of adjusting the flow of tail water is small.
The invention, the mobile device includes setting up in the mobile transverse platform 10 of the upper end of the carrying frame 11, the mobile transverse platform 10 operates and moves through the drive motor equipped, facilitate hanging the hydraulic turbine 32 to the ground and overhauling and maintaining, there is a movable trough 22 on both sides of upper end of the carrying frame 11, limit the range of movement of the mobile transverse platform 10, prevent excessive movement from shifting, there are two moving wheels 24 on both sides of lower end of the mobile transverse platform 10, and the lower end of four moving wheels 24 is contradicted in the bottom of the movable trough 22, facilitate the mobile transverse platform 10 to move, the lower end of the mobile transverse platform 10 is fitted with the electric hoist 23, the electric hoist 23 is a kind of special hoisting equipment, usually used in places such as the industrial and mining enterprises, warehouse and wharf, etc., have small, dead weight light, easy to operate etc., when the electric hoist 23 is operated, the internal conical rotor motor is energized, the electromagnetic field produces an axial direction to the rotor, is used for overcoming the resistance produced by the spring, make the brake wheel separate with the friction disc, the rotor shaft drives the reel device to work through the gear of the speed reducer, realize the effect of lifting the heavy object, lowering the heavy object, the lower end of the heavy object 23 is connected with the lifting hook 21 through the wire rope of the hydraulic turbine 32;
the protection device comprises two protection boxes 28 arranged at the upper ends of two guide rails 13, two rollers 19 are arranged on two sides of the lower end of each protection box 28, two rollers 19 on the same side are corresponding to a chute 9, the lower ends of the two rollers 19 on the same side are respectively abutted to the bottoms of the corresponding chute 9, the two protection boxes 28 are conveniently separated and combined through the cooperation of the rollers 19 and the chute 9, fixing blocks 27 are respectively fixed on two sides of each protection box 28, through holes 29 are formed in one side of each fixing block 27, the two through holes 29 on the same side are corresponding to each other, the protection boxes 28 are conveniently locked through the two through holes 29 on the same side, the use safety is improved, limit grooves 25 are formed in two sides of one end of one protection box 28, limit blocks 26 on the same side are respectively arranged on two sides of one end of the other protection box 28, and the limit blocks 26 on the same side are corresponding to the limit grooves 25.
Example 2
Referring to fig. 1, 2, 3 and 4, a hydroelectric generating set structure for reutilizing tail water of a power station comprises a tail water channel 1 for discharging tail water discharged from the power station to the downstream, wherein, dikes 3 are arranged on two sides of the tail water channel 1, one dike 3 is provided with two openings 31, a U-shaped frame 5 is fixed in one opening 31 and is convenient for installing a flashboard 18, a flow control device is arranged on the U-shaped frame 5, the size of the tail water flow can be controlled, the power generation efficiency is maximized in the bearing range of a water turbine 32, a first branch channel 6 is connected with the tail water channel 1 through one opening 31, the tail water is conveniently introduced, one end of the first branch channel 6 is connected with a second branch channel 7, the second branch channel 7 is connected with one side of the tail water channel 1 through the other opening 31, and the tail water for power generation is discharged into the tail water channel 1 again;
the two sides of the second canal 7 are respectively provided with a guide rail 13 and two supporting blocks 30, the upper ends of the supporting blocks 30 are fixedly provided with bearing rods 20, the upper ends of the four bearing rods 20 are jointly fixedly provided with a bearing frame 11, the upper ends of the bearing frames 11 are provided with a moving device, the moving device is convenient for lifting equipment, the installation, the overhaul and the maintenance are convenient, the upper ends of the guide rails 13 are provided with two sliding grooves 9, the inside of the sliding grooves 9 is provided with a protecting device, the opening and the closing of the protecting device can be convenient through the matching of the guide rails 13 and the sliding grooves 9, the overhaul and the maintenance are convenient, the protecting device effectively protects the safety of equipment, the loss of the equipment is prevented from being accelerated due to weather and human factors, and the service life of the equipment is prolonged;
the water turbine 32 is installed together to the both ends lateral wall in the second canal 7, installs spiral case 8 on the water turbine 32, and during operation, tail water is led to spiral case 8 from tail water canal 1 through first canal 6, and in the spiral case 8 led to the water turbine 32 again, when passing through water turbine 32, converts the gravitational potential energy of rivers into mechanical energy, and the pivot of water turbine 32 drives the rotor of generator again, converts mechanical energy into electric energy and exports to reach the purpose of electricity generation.
According to the invention, the flow control device comprises a headstock gear 4 fixed at the upper end of a U-shaped frame 5, the headstock gear 4 adopts a screw headstock gear, a screw rod can be controlled to move up and down by a hand or a equipped driving motor to open and close a gate, along with the wide development of hydraulic and hydroelectric engineering, a large number of gates of engineering projects such as river dikes and hydropower stations in a reservoir pouring area are adopted, sliding grooves 14 are arranged on opposite side walls in the U-shaped frame 5, a flashboard 18 is jointly arranged in the two sliding grooves 14, the flashboard 18 is conveniently limited by the two sliding grooves 14, the up-and-down movement of the flashboard 18 is also convenient to achieve the purpose of adjusting the flow, two hanging lugs 17 are fixed at the upper end of the flashboard 18, a connecting block 16 is connected between the two hanging lugs 17 in a rotating mode through an inserting rod, a screw rod 15 is connected at the upper end of the connecting block 16 in a rotating mode, the upper end of the screw rod 15 penetrates through the U-shaped frame 5 and is arranged in the headstock gear 4, when the flashboard 15 is controlled to move up and down by the driving motor through the connecting rod 15, the screw rod 15 drives the hanging lugs 17 to move up and down through the 16, and thus the hanging lugs 17 drive the flashboard 18 to move up and down, and the purpose of adjusting the flow of tail water is small.
The invention, the mobile device includes setting up in the mobile transverse platform 10 of the upper end of the carrying frame 11, the mobile transverse platform 10 operates and moves through the drive motor equipped, facilitate hanging the hydraulic turbine 32 to the ground and overhauling and maintaining, there is a movable trough 22 on both sides of upper end of the carrying frame 11, limit the range of movement of the mobile transverse platform 10, prevent excessive movement from shifting, there are two moving wheels 24 on both sides of lower end of the mobile transverse platform 10, and the lower end of four moving wheels 24 is contradicted in the bottom of the movable trough 22, facilitate the mobile transverse platform 10 to move, the lower end of the mobile transverse platform 10 is fitted with the electric hoist 23, the electric hoist 23 is a kind of special hoisting equipment, usually used in places such as the industrial and mining enterprises, warehouse and wharf, etc., have small, dead weight light, easy to operate etc., when the electric hoist 23 is operated, the internal conical rotor motor is energized, the electromagnetic field produces an axial direction to the rotor, is used for overcoming the resistance produced by the spring, make the brake wheel separate with the friction disc, the rotor shaft drives the reel device to work through the gear of the speed reducer, realize the effect of lifting the heavy object, lowering the heavy object, the lower end of the heavy object 23 is connected with the lifting hook 21 through the wire rope of the hydraulic turbine 32;
the protection device comprises two protection boxes 28 arranged at the upper ends of two guide rails 13, two rollers 19 are arranged on two sides of the lower end of each protection box 28, two rollers 19 on the same side are corresponding to a chute 9, the lower ends of the two rollers 19 on the same side are respectively abutted to the bottoms of the corresponding chute 9, the two protection boxes 28 are conveniently separated and combined through the cooperation of the rollers 19 and the chute 9, fixing blocks 27 are respectively fixed on two sides of each protection box 28, through holes 29 are formed in one side of each fixing block 27, the two through holes 29 on the same side are corresponding to each other, the protection boxes 28 are conveniently locked through the two through holes 29 on the same side, the use safety is improved, limit grooves 25 are formed in two sides of one end of one protection box 28, limit blocks 26 on the same side are respectively arranged on two sides of one end of the other protection box 28, and the limit blocks 26 on the same side are corresponding to the limit grooves 25.
In the invention, the water turbine 32 adopts the axial-flow kaplan turbine, the running stability and the efficiency of the axial-flow kaplan turbine are high, the requirements on the water head are lower, the use effect is better, the bottom of the first branch canal 6 is 4-5m higher than the bottom of the second branch canal 7, the water head requirement of the axial-flow kaplan turbine is met, and compared with the embodiment 1, the fall of the bottom of the first branch canal 6 and the bottom of the second branch canal 7 is matched with the axial-flow kaplan turbine, so that the power generation efficiency of the water turbine 32 is maximized, the power generation efficiency is effectively improved, and the cost is reduced.
Example 3
Referring to fig. 1, 2, 3 and 4, a hydroelectric generating set structure for reutilizing tail water of a power station comprises a tail water channel 1 for discharging tail water discharged from the power station to the downstream, wherein, dikes 3 are arranged on two sides of the tail water channel 1, one dike 3 is provided with two openings 31, a U-shaped frame 5 is fixed in one opening 31 and is convenient for installing a flashboard 18, a flow control device is arranged on the U-shaped frame 5, the size of the tail water flow can be controlled, the power generation efficiency is maximized in the bearing range of a water turbine 32, a first branch channel 6 is connected with the tail water channel 1 through one opening 31, the tail water is conveniently introduced, one end of the first branch channel 6 is connected with a second branch channel 7, the second branch channel 7 is connected with one side of the tail water channel 1 through the other opening 31, and the tail water for power generation is discharged into the tail water channel 1 again;
the two sides of the second canal 7 are respectively provided with a guide rail 13 and two supporting blocks 30, the upper ends of the supporting blocks 30 are fixedly provided with bearing rods 20, the upper ends of the four bearing rods 20 are jointly fixedly provided with a bearing frame 11, the upper ends of the bearing frames 11 are provided with a moving device, the moving device is convenient for lifting equipment, the installation, the overhaul and the maintenance are convenient, the upper ends of the guide rails 13 are provided with two sliding grooves 9, the inside of the sliding grooves 9 is provided with a protecting device, the opening and the closing of the protecting device can be convenient through the matching of the guide rails 13 and the sliding grooves 9, the overhaul and the maintenance are convenient, the protecting device effectively protects the safety of equipment, the loss of the equipment is prevented from being accelerated due to weather and human factors, and the service life of the equipment is prolonged;
the water turbine 32 is installed together to the both ends lateral wall in the second canal 7, installs spiral case 8 on the water turbine 32, and during operation, tail water is led to spiral case 8 from tail water canal 1 through first canal 6, and in the spiral case 8 led to the water turbine 32 again, when passing through water turbine 32, converts the gravitational potential energy of rivers into mechanical energy, and the pivot of water turbine 32 drives the rotor of generator again, converts mechanical energy into electric energy and exports to reach the purpose of electricity generation.
According to the invention, the flow control device comprises a headstock gear 4 fixed at the upper end of a U-shaped frame 5, the headstock gear 4 adopts a screw headstock gear, a screw rod can be controlled to move up and down by a hand or a equipped driving motor to open and close a gate, along with the wide development of hydraulic and hydroelectric engineering, a large number of gates of engineering projects such as river dikes and hydropower stations in a reservoir pouring area are adopted, sliding grooves 14 are arranged on opposite side walls in the U-shaped frame 5, a flashboard 18 is jointly arranged in the two sliding grooves 14, the flashboard 18 is conveniently limited by the two sliding grooves 14, the up-and-down movement of the flashboard 18 is also convenient to achieve the purpose of adjusting the flow, two hanging lugs 17 are fixed at the upper end of the flashboard 18, a connecting block 16 is connected between the two hanging lugs 17 in a rotating mode through an inserting rod, a screw rod 15 is connected at the upper end of the connecting block 16 in a rotating mode, the upper end of the screw rod 15 penetrates through the U-shaped frame 5 and is arranged in the headstock gear 4, when the flashboard 15 is controlled to move up and down by the driving motor through the connecting rod 15, the screw rod 15 drives the hanging lugs 17 to move up and down through the 16, and thus the hanging lugs 17 drive the flashboard 18 to move up and down, and the purpose of adjusting the flow of tail water is small.
The invention, the mobile device includes setting up in the mobile transverse platform 10 of the upper end of the carrying frame 11, the mobile transverse platform 10 operates and moves through the drive motor equipped, facilitate hanging the hydraulic turbine 32 to the ground and overhauling and maintaining, there is a movable trough 22 on both sides of upper end of the carrying frame 11, limit the range of movement of the mobile transverse platform 10, prevent excessive movement from shifting, there are two moving wheels 24 on both sides of lower end of the mobile transverse platform 10, and the lower end of four moving wheels 24 is contradicted in the bottom of the movable trough 22, facilitate the mobile transverse platform 10 to move, the lower end of the mobile transverse platform 10 is fitted with the electric hoist 23, the electric hoist 23 is a kind of special hoisting equipment, usually used in places such as the industrial and mining enterprises, warehouse and wharf, etc., have small, dead weight light, easy to operate etc., when the electric hoist 23 is operated, the internal conical rotor motor is energized, the electromagnetic field produces an axial direction to the rotor, is used for overcoming the resistance produced by the spring, make the brake wheel separate with the friction disc, the rotor shaft drives the reel device to work through the gear of the speed reducer, realize the effect of lifting the heavy object, lowering the heavy object, the lower end of the heavy object 23 is connected with the lifting hook 21 through the wire rope of the hydraulic turbine 32;
the protection device comprises two protection boxes 28 arranged at the upper ends of two guide rails 13, two rollers 19 are arranged on two sides of the lower end of each protection box 28, two rollers 19 on the same side are corresponding to a chute 9, the lower ends of the two rollers 19 on the same side are respectively abutted to the bottoms of the corresponding chute 9, the two protection boxes 28 are conveniently separated and combined through the cooperation of the rollers 19 and the chute 9, fixing blocks 27 are respectively fixed on two sides of each protection box 28, through holes 29 are formed in one side of each fixing block 27, the two through holes 29 on the same side are corresponding to each other, the protection boxes 28 are conveniently locked through the two through holes 29 on the same side, the use safety is improved, limit grooves 25 are formed in two sides of one end of one protection box 28, limit blocks 26 on the same side are respectively arranged on two sides of one end of the other protection box 28, and the limit blocks 26 on the same side are corresponding to the limit grooves 25.
According to the invention, the filter plate 2 is arranged on one side of the U-shaped frame 5, so that the damage to fish caused by the entering of surrounding fish into the first canal 6 can be prevented, the protection box 28 and the fixing block 27 are integrally formed, the protection box 28 and the fixing block 27 are made of high manganese steel materials, the higher the external impact load of the high manganese steel is, the higher the abrasion resistance of the surface layer of the high manganese steel is, and the new work hardening layer is continuously formed along with the gradual abrasion of the surface hardening layer.
In the invention, when the hydraulic turbine 32 is used, the screw rod 15 is driven to move up and down through the headstock gear 4, the screw rod 15 drives the connecting block 16 to move up and down, the connecting block 16 drives the flashboard 18 to move up and down through the hanging lugs 17, the flow of tail water is regulated, the tail water is led into the hydraulic turbine 32 through the first branch canal 6 and the spiral case 8, when the tail water passes through the hydraulic turbine 32, water energy is converted into mechanical energy, the rotating shaft of the hydraulic turbine 32 drives the rotor of the generator, the mechanical energy is converted into electric energy and output, thereby achieving the purpose of generating electricity, an axial pulling force is generated on the rotor by an electromagnetic field after the electric hoist 23 at the upper end of the movable transverse platform 10 is electrified, the braking wheel is separated from the friction disc and driven by a winding drum device of the speed reducer, the lifting hook 21 is driven to descend through the steel wire rope 12, the lifting hook 21 is used for lifting the hydraulic turbine 32 through the hanging rope, the movable transverse platform 10 drives the electric hoist 23 to move, when the tail water is moved to the ground, the hydraulic turbine 32 is placed on the ground, the water turbine 32 is convenient to detect and maintain, the installation of the hydraulic turbine 32 is convenient, the protection of the hydraulic turbine 32 is convenient, after the hydraulic turbine 32 is installed, the protection boxes 28 are relatively moved, the two corresponding limit blocks 26 are relatively moved, the two limit blocks 26 are inserted into the corresponding limit boxes 28, the limit boxes 28 are firmly, the limit boxes are firmly protected, the safety protection boxes are protected, the safety boxes are protected, and the safety protection is prolonged, and the safety is prolonged, and the safety is guaranteed, and the service is guaranteed.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (6)
1. The utility model provides a hydroelectric set structure is recycled to power station tail water, includes tail water canal (1), its characterized in that: the two sides of the tail water channel (1) are provided with dykes (3), one side of the dykes (3) is provided with two openings (31), one opening (31) is internally fixed with a U-shaped frame (5), the U-shaped frame (5) is provided with a flow control device, the tail water channel (1) is connected with a first branch channel (6) through one opening (31), one end of the first branch canal (6) is connected with a second branch canal (7), the second branch canal (7) is connected to one side of the tail water canal (1) through another opening (31), both sides of the second branch canal (7) are provided with a guide rail (13) and two supporting blocks (30), the upper end of the supporting block (30) is fixedly provided with a bearing rod (20), the upper ends of the four bearing rods (20) are jointly fixed with a bearing frame (11), the upper end of the bearing frame (11) is provided with a moving device, the upper end of the guide rail (13) is provided with two sliding grooves (9), the sliding grooves (9) are internally provided with a protecting device, the side walls of the two ends in the second branch canal (7) are jointly provided with a water turbine (32), the water turbine (32) is provided with a volute (8), the flow control device comprises a headstock gear (4) fixed at the upper end of the U-shaped frame (5), the opposite side walls in the U-shaped frame (5) are respectively provided with a sliding groove (14), the upper end of the flashboard (18) is fixedly provided with two hanging lugs (17) in the two sliding grooves (14), a connecting block (16) is connected between the two hanging lugs (17) through a inserted link in a rotating way, the upper end of the connecting block (16) is connected with a screw rod (15) in a rotating way, the upper end of the screw rod (15) penetrates through the U-shaped frame (5) and is installed in the hoist (4), the moving device comprises a movable transverse table (10) arranged at the upper end of a bearing frame (11), both sides of the upper end of the bearing frame (11) are respectively provided with a movable groove (22), both sides of the lower end of the movable transverse table (10) are respectively provided with two movable wheels (24), the lower ends of the four movable wheels (24) are abutted against the bottoms of the movable grooves (22), the lower end of the movable transverse table (10) is provided with an electric hoist (23), the lower end of the electric hoist (23) is connected with a lifting hook (21) through a steel wire rope (12), the protecting device comprises a movable transverse table (10) arranged at the upper end of two guide rails (13), both sides of the upper protecting boxes (28) are respectively provided with two corresponding sliding grooves (19) at both sides of the lower ends (19) of the two corresponding sliding grooves (19), the two sides of the protection box (28) are both fixed with fixed blocks (27), one side of each fixed block (27) is provided with a through hole (29), and the two through holes (29) on the same side are corresponding.
2. The hydroelectric generating set structure for recycling tail water of power station according to claim 1, wherein limit grooves (25) are formed in two sides of one end of one protection box (28), limit blocks (26) are formed in two sides of one end of the other protection box (28), and the limit blocks (26) on the same side correspond to the limit grooves (25).
3. A power plant tail water reuse hydroelectric generating set structure according to claim 1, wherein the water turbine (32) is an axial flow kaplan turbine.
4. A power plant tail water reuse hydroelectric generating set structure according to claim 1, characterized in that the bottom of the first branch canal (6) is 4-5m higher than the bottom of the second branch canal (7).
5. The tail water recycling hydroelectric generating set structure of claim 1, wherein a filter plate (2) is installed on one side of the U-shaped frame (5).
6. The power station tail water recycling hydroelectric generating set structure according to claim 1, wherein the protection box (28) and the fixing block (27) are integrally formed, and the protection box (28) and the fixing block (27) are made of high manganese steel materials.
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| CN113638836B (en) * | 2021-07-14 | 2022-06-14 | 河海大学 | Bypass type fish passing device of water turbine |
| CN114909300B (en) * | 2022-04-12 | 2024-06-25 | 江苏大学流体机械温岭研究院 | Fish passing device of through-flow pump station |
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