CN109281295A - Power station - Google Patents

Abstract

A kind of stealth, environmental protection, Quan Xiao, intelligence, cold-resistant and Ecology protection type run-of-river power station; mainly by overflow weir and its diversion water conservancy diversion bottom sill, aquatic organism migration channel and lets out and rush lock; keep the temperature water inlet lock chamber and its internal separated sewage board being arranged or wall, every sand plate or wall, immersion Rotary grate and full-automatic silt particle separator and sewage disposal apparatus; embedded type has pressure conduit pipe and its safety valve, safety relief valve and water intaking mouth over long distances; the part such as outlet passage of turbine-generator units and hydraulic turbine water outlet of the computer room of the pipeline other end and its interior device forms.The run-of-river power station can not only stealthy, environmental protection, and can total efficiency, automatic operating, and it is built and operation is not limited not only by orographic condition and weather conditions, also has multinomial Ecology defencive function.

Description

Power station

Technical field

The invention belongs to run-of-river power stations in technical field of hydroelectric generation more particularly to a kind of stealthy, environmental protection, complete Effect, intelligence, cold-resistant and Ecology protection type run-of-river power station.

Background technique

Currently, the run-of-river power station in hydroelectric generation production, is to build diversion dam in river and its let out to rush lock, Forebay is built in its end after forming drop by the water-drawing channel that horizontal direction builds equivalent length since open type intake gate, then Generator operation is carried out after pressure diversion pipeline is set between the hydraulic turbine of device in from forebay to computer room.Forebay to tailwater channel it Between have to build the very big sluicing runner of and gradient corresponding to water diversion flow.Deficiency existing for the power station are as follows: press water Square to build water-drawing channel, forebay and sluice way will have considerable degree of orographic condition, and original landforms are carried out big Area destruction is excavated and carries out constructing for a large amount of hydraulic structures, and not only seriously destroying original ecological environment also will cause water Soil flow is lost.Also, the power station is when region of the height above sea level higher than 2500 meters or temperature are lower than subzero 10 degrees Celsius, the equipment such as gate Because freezing and can not operate, channel and forebay become the seasonal power station that winter is unable to run because ice slush such as silts up at the reasons. In generator operation the buildings such as water-drawing channel there is also collapse caused by leakage depression, the reasons such as landslide, water flow is destroyed by rush of water And flood equal geological disasters and safety hazards；Diversion dam is let out and rushes the buildings such as lock and also create that block river, section to subtract de- Water phenomenon, and the reasons such as imitative nature uncontrolled aquatic organism migration channel can not be implemented as required, so that ecological, environmental protective is become it can not The problem bypassed.

Although hydroelectric generation is free of contamination clean reproducible energy, mixed-flow, axis stream used in current power station There is the pressure leak of main shaft seal in the reaction turbines such as formula, and the increase of pressure leak random groups aperture and increase, It and can only be thin oil lubricant bearing with the immediate bearing of main shaft seal.Thin oil can overflow naturally after pressure leak enters bearing And it is discharged into river after being mixed into water flow, different degrees of pollution is caused to river water.

Since technological difficulties fail to make a breakthrough for a long time, at present it is old to there is device model in run-of-river power station It is old, optimum operating condition area is narrow, operational efficiency is low, part hydraulic thrust acted in the form of axial after runner do not simply fail to acting can also Lead to Bearing Segment Burning accident, and hydraulic facility and the hydraulic turbine make the intelligence in power station because of reasons such as sand wear, sundries card groups And automation original part can not be carried out automatically controlling by design requirement, operations staff's many wretched insufficiencies such as intensity on duty is big round the clock, To be unable to satisfy new period high quality demand for development.

Currently, the landform for building the run-of-river power station is suitble to remain little, and it is laid with pressure conduit pipe over long distances When diversion and power, the existing hydraulic turbine and its safety relief valve acted under governor control, because structure is complicated, valve event institute The reasons such as more than the factor involved, when emergency shutdown, fast cutback can not being adapted to completely, because of flow velocity and flow in pipeline Suddenly change have pressure conduit pipe caused by destructiveness water hammer pressure.To make largely to have certain more all with flow than dropping The water flow dynamic energy in more rivers or section not only cannot be developed and used timely and effectively and be lost in vain for a long time, also made to riverbed It washes away, corrode and the negative effect of soil erosion at considerable degree of, seriously destroy urban river water ecosystem function.

Summary of the invention

It is an object of the invention to overcome deficiency existing for current run-of-river power station, and provide a kind of not large area occupancy Ground surface area；Original landforms and ecological environment are not destroyed, do not cause any pollution；Turbine-generator units are equal under various operating conditions Operation can be imitated entirely；Each position workpiece can be carried out automatic control in all cases；It normally can continuously be sent out in extremely frigid zones Electricity operation；Stealth, environmental protection, Quan Xiao, intelligence, cold-resistant and Ecology protection type water channeling type water with many Ecology defencive functions Power station.

The purpose of the present invention is achieved through the following technical solutions.

The run-of-river power station includes overflow weir, and the diversion water conservancy diversion bottom sill of overflow weir upstream setting passes through overflow weir weir crest Imitative uncontrolled aquatic organism migration channel naturally, letting out for overflow weir end rush lock and intake gate, the long range being connected with intake gate There is a pressure conduit pipe, and full-automatic silt particle separator and full automatic pollution removing device, and including underground or ground type computer room, The hydraulic turbine of device and its generator, transformer, electrical equipment and Element of automatic control etc. in computer room, it is characterised in that: into The top setting separated sewage board or wall of sluice room water intake end, have on water inlet lock floor at regular intervals in separated sewage board or wall rear Setting is set in water inlet lock chamber runner every sand plate or wall every inlet gate is arranged in sand plate or coping or lock chamber runner Set full automatic pollution removing device, full-automatic silt particle separator be set in the runner bottom, and by lock chamber runner and embedded type it is long away from From have pressure conduit pipe input end be connected, have pressure conduit pipe the other end lay to computer room and with the water inlet of the hydraulic turbine Be connected, the hydraulic turbine water outlet be arranged outlet passage, have pressure conduit pipe ontology be additionally provided with one or several safety valves, Safety relief valve and water intaking mouth with pressure.

Power station of the present invention, imitative nature uncontrolled aquatic organism migration channel can be concrete structure, be also possible to The heat preservation top with heat insulation function can also be arranged at the top of water inlet lock chamber in the structure of the other materials such as metal.

The bottom end of power station of the present invention, separated sewage board or wall stretch into water lock chamber ordinary water level line hereinafter, and Its thickness can be increased to the thickness of heat insulation function or its surface laying thermal insulation material.

Power station of the present invention can be set plate or gates of segmental shape every sand plate or coping, can also cut with scissors The immersion Rotary grate that the other end extends to its front separated sewage board or wall bottom is set in installing, and water is crossed not higher than normal in its top The Bottom Altitude in channel.

Power station of the present invention, the hydraulic turbine can be used the hydraulic turbine of the forms such as mixed-flow, axial-flow type, can also be used The low water head big flow high efficiency punching for one or several linkage being made of one or several runners and its corresponding exit portal Hit the formula hydraulic turbine.

The outlet passage in power station of the present invention, hydraulic turbine water outlet can be directly connected to tail water runner, also There can be pressure conduit pipe by the connecting passage and the long range in next stage power station for being provided with overflow weir and its overflow launder Water inlet is connected, and tail water runner is then connected with the overflow launder of connecting passage.

Power station of the present invention, safety valve are quick-fried by being arranged in the water outlet and water outlet that pipeline body is arranged Split type blind plate composition.

Power station of the present invention, the water outlet that safety relief valve is made of bottom plate, top plate and its side plate of two sides, In the hinged rotation valve in the water outlet of bottom plate or top plate, the transmission parts being sequentially connected with valve are driven with transmission parts and connect Gravity block, buffer unit and the limiting component composition connect.

Power station of the present invention, immersion Rotary grate by door-plate, the hinge dress component of door-plate one end setting and its Transmission parts are formed with the power device of transmission parts transmission connection and the sealing element provided around door-plate.

Power station of the present invention, safety valve and the corresponding front position of safety relief valve discharge opening can also be arranged There is stilling pond etc. to disappear power facility.

When power device opens inlet gate by transmission parts, the water flow in river can pass sequentially through separated sewage board or There is pressure aqueduct in the bottom of wall into long range every sand plate or coping, and after the trash rack of full automatic pollution removing device There is certain long range than drop to have pressure conduit pipe not only to direct water flow towards its other end at this time, and generate water flow for road Considerable degree of pressure, pressure flow can enter the hydraulic turbine and generator driven to start running power generation.It is discharged from the hydraulic turbine The tail water runner that can be connected by outlet passage and directly of water flow be directly discharged into river, can also by outlet passage and with Its connecting passage being connected enters the water inlet that there is pressure conduit pipe in next stage power station.When the hydraulic turbine in next stage power station When needing emergency shutdown or fast cutback, all or part of water flow then can by the overflow weir of connecting passage and its overflow launder from It is discharged in tail water runner.

When water flow brings sundries in river, then it is blocked in river by separated sewage board or wall in the sundries of river water floating on water On the water surface and can Salvage and Wreck Removal, the sundries for entering water inlet lock chamber from separated sewage board or wall bottom can then rest on trash rack, when blocking Dirt deletes full automatic pollution removing device when generating pressure difference between upstream and downstream face and can smoothly remove sundries.

When water flow brings silt particle in river, silt particle can be stopped in the river other than face at its upstream every sand plate or wall And can be rushed lock by letting out and discharged it, it crosses to enter the indoor silt particle of intake gate every sand plate or wall and can then be separated by full-automatic silt particle and fills It sets and is completely separated and is discharged by sediment outflow runner.

When mercury dropped and when water flow being made in river to start to freeze, separated sewage board or wall can then stop the ice slush of floating on water The water surface in its external river can form the ice of more stable and stronger in its external river, and under the supporting role of separated sewage board or wall Lid, the frost flower flowed at this time with water flow or fiber crops, which float, can then can smoothly enter into water flow into water lock chamber and passing through with water flow has pressure to draw Waterpipe enters acting power generation after the hydraulic turbine.

When turbine-generator units need emergency shutdown or fast cutback, the deflecting plate of impulse turbine then can will be into The all or part of high-speed jet for entering rotary wheel of water turbine, which is rolled over rapidly, to be gone backward through outlet passage and is smoothly discharged, and keeps the hydraulic turbine real The state now shut down without cutting off the water, so that the pressure effectively prevented in pressure conduit pipe generates jumbo fluctuation.

When the not set movable deflecting plate of used impulse turbine or use other shapes such as mixed-flow, axial-flow type When the hydraulic turbine of formula, the conduit pipe in the case where the rotation valve or guide vanes of water turbine of exit portal close rapidly and reduce aperture Interior pressure can increase, and when pressure is more than gravity block pressure, safety relief valve can become diversion can automatically turn in due course after The main protection of pipeline, so that the pressure in pressure conduit pipe equally can effectively be avoided to generate jumbo fluctuation.

When there are the special circumstances such as hydraulic turbine deflecting plate or safety relief valve failure, the bursting type blind plate of safety valve bursts After can discharge hyperpressure in pipe in time, thus equally can effective protection have pressure conduit pipe.

When riverbed come water flow it is too small when, the diversion water conservancy diversion bottom sill that overflow weir upstream is arranged in can all guide water flow into water Behind biological migration channel, uncontrolled can uninterruptedly release ecological basic discharge, so as to remain connecting naturally for river The general character.

When riverbed come water flow it is excessive and need power station increase draw big vast bypass flow when, can be artificially strong by safety relief valve System is opened, and is locked it in by limiting component behind the position of certain aperture and can be increased the flood that draws of pressure conduit pipe and shunt and flow Amount.

When riverbank ecological vegetation and crops need to irrigate, in the water intaking mouth for having pressure conduit pipe ontology Divisional setting Water intaking with pressure can be carried out at any time to irrigate.

According to above-described composition situation and its course of work, which has the advantages that and shows The progress of work:

1. the water inlet lock chamber in the power station, have pressure conduit pipe, computer room and connecting passage and its overflow weir and overflow launder and Tail water runner can bury setting, therefore the stealthy rate in the power station is up to 100%.

2. the power station does not need to carry out extensive damage excavation, the amount of excavation of burial equipment and facility in building course It can restore its original vegetation after classification backfill balance on the spot or cultivate new vegetation.Therefore, the development & construction in the power station are completely full Sufficient ecological, environmental protective requirement.

3. the device that the integral arrangement mode in the power station adapts to low water head big flow high efficiency impulse turbine completely is wanted It asks, and not only operational efficiency is high, all standing of optimum operating condition area for the hydraulic turbine, but also axial hydraulic thrust is not present, is not provided with thrust Bearing, bearing-free burning accident.Also, the dual desanding of water inlet lock chamber and dual decontamination function effectively eliminate each flow passage components Abrasion and card group phenomenon.Therefore, enable the round-the-clock efficiency power generation operation of the hydraulic turbine in the power station, so as to realize its full effect Function.

4. power station water inlet lock chamber every sand sediment outflow, remove contamination every dirt and every ice antifreeze function and embedded type conduit pipe And the heat insulation function of underground type computer room, card resistance will not be occurred, freeze and wear by making each position workpiece in all cases Failure, enable the power station intelligence and Element of automatic control by design requirement normal reliable each workpiece of operation. Therefore, which is fully able to realize intelligent automation state of a control during generator operation.

5. having pressure conduit pipe that can bury setting on riverbank and riverbed bottom due to the power station, and each facility is equal With outstanding cold performance.Therefore, the construction in the power station is not limited by orographic condition, generator operation not climate condition Influence, thus make generally in the form of low water head big flow existing for hydroelectric resources can be obtained under the premise of Ecology Precedence it is fast Speed development and utilization.

6. safety relief valve can automatically turn on when over pressure, again when pressure recovery is normal in the power station in due course It can be automatically closed in due course, the course of work is not influenced by any factor, and sluicing capacity and setting quantity can be needed to increase by design Big or increase, safety valve is but also as back-up protection in special circumstances.Therefore, which has pressure conduit pipe not Only there is reliably working performance, and there can be the water flow dynamic energy of negative effect substantially to be drawn big vast shunting in river, thus The washing away of river can be prevented to greatest extent, corroded and soil erosion.

7. used overflow weir easily realizes the setting in the imitative uncontrolled aquatic organism channel of nature, and its in the power station Diversion water conservancy diversion bottom sill in upstream is able to maintain uninterruptedly releasing for ecological basic discharge；Used low water head big flow high efficiency impact type The leak of main shaft seal pressure is not present in the hydraulic turbine, does not use lubrication thin oil, does not generate a bit pollutant in power generation production process； Have and press conduit pipe that can substantially draw big vast shunting, the water intaking mouth of ontology Divisional setting can water intaking with pressure irrigation riverbank life in time State vegetation and crops.Therefore, the development & construction in the power station and power generation production do not destroy ecological environment not only, without any pollutant Discharge, and there is multinomial Ecology defencive function.

According to beneficial effect described above and marked improvement, not only generator operation is safe and efficient pollution-free in the power station, and And it can protect and restore urban river water ecosystem function.Therefore, the technical solution is while developing and using HYDROELECTRIC ENERGY, It is the technical solution of its corresponding section Ecology protection, to have become the green multifunctional intelligent high-efficiency after creative change The novel run-of-river power station of rate meets the requirements of new period Ecology Precedence, high quality development.

Detailed description of the invention

Fig. 1 is the integral planar arrangement schematic diagram in power station；

Fig. 2 is the profilograph into water lock chamber and its internal each equipment and facility, i.e. A-A sectional view in Fig. 1；

Fig. 3 is the profilograph of safety relief valve, i.e. B-B sectional view in Fig. 1；

Fig. 4 is the C-C sectional view in Fig. 3；

Fig. 5 is the D-D sectional view in Fig. 3.

Fig. 6 is the profilograph of safety valve, i.e. E-E sectional view in Fig. 1；

Fig. 7 is the plan view of safety valve, i.e. F direction view in Fig. 6；

Label in above each figure: 1. rivers；2. overflow weir；Lock is rushed 3. letting out；4. lock chamber of intaking；5. buried long range has Press conduit pipe；6. transformer；7. electric panel cabinet and Element of automatic control；8. generator；9. hydroturbine water intake pipe；10. safety Relief valve；11. connecting passage；12. outlet passage；13. flashboard；14. there is pressure conduit pipe in next stage power station；15. the hydraulic turbine； 16. underground type computer room；17. separated sewage board；18. Rotary grate door-plate；19. transmission arm；20. hoist engine；21. clump weight；22. entirely certainly Dynamic trash；23. trash rack；24. intake lock chamber heat preservation top；25. buffering tension spring；26. hanging object lid；27. hoist engine；28. every Sand wall；29. sediment outflow runner；30. full-automatic silt particle separator；31. Ji Shachi；32. filth isolating grid；33. lock floor of intaking； 34. gradual change runner；35. gravity block；36. draining runner；37. nozzle sealing plate；38. lever；39. top plate；40. side plate；41. transmission Bar；42. rotating valve；43. bottom plate；44. force eliminating plate；45. flashboard；46. contamination dirt discharge groove；47. overflow weir；48. overflow launder； 49. tail water runner；50. support plate；51. support base；52. safety valve；53. outlet pipe；54. draining runner；55. bursting type is blind Plate；56. aquatic organism migration channel；57. diversion water conservancy diversion bottom sill；58. stilling pond；59. mouth of fetching water；60. flange；61. limiting component.

Specific embodiment

Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6 show specific embodiments of the present invention.

It is as shown in the figure: overflow weir 2 to be provided in river 1,2 upstream of overflow weir is provided with diversion water conservancy diversion bottom sill 57, water conservancy diversion 2 top of overflow weir in 57 outside of bottom sill is to the imitative channel of uncontrolled aquatic organism migration naturally 56 is provided between river 1 downstream Channel 56 is set uninterruptedly to release ecological basic flow, the Bottom Altitude in channel 56 is lower than the top elevation of diversion water conservancy diversion bottom sill 57. 2 end of overflow weir, which is provided with to let out, rushes lock 3, lets out and rushes the heat preservation water inlet lock chamber 4 that 3 front outside setting of lock has heat preservation top 24, lock chamber 4 The top of water intake end is provided with separated sewage board 17.17 rear of separated sewage board has setting on lock floor 33 at regular intervals and has centainly Height every sand wall 28, the immersion that hinge assembling device has the other end to extend to its front 17 bottom end of separated sewage board every the top of sand wall 28 turns Dynamic gate door-plate 18,18 surface of door-plate are provided with transmission arm 19, and the other end of transmission arm 19 is provided with clump weight 21 and rolls up with it The transmission connection of machine 20 is raised, the surrounding edge of door-plate 18 is provided with sealed rubber plate.On the lock floor 33 every 28 rear of sand wall It is provided with collection sand pond 31, the bottom in collection sand pond 31 is provided with full-automatic silt particle separator 30, the lower part of silt particle separator 30 It is provided with sediment outflow runner 29, the top in collection sand pond 31 is provided with filth isolating grid 32.It is provided with and blocks in the lock chamber at collection 31 rear of sand pond Dirty grid 23, the upstream face device of trash rack 23 have full automatic pollution removing machine 22, and trash 22 and its hoist engine 27 are sequentially connected, and block dirt The top of grid 23 is provided with contamination dirt discharge groove 46.Gradual change runner 34, gradual change runner are provided in the lock chamber at 23 rear of trash rack 34 water outlet has the input end of pressure conduit pipe 5 to be connected with buried long range, has pressure conduit pipe 5 to lay by riverbank To computer room 16, and with the tool of device in computer room 16, there are four a low water head big flow high efficiency of exit portal and its corresponding runner The water inlet pipe 9 of impulse turbine 15 is connected.There is pressure 5 water outlet end fitting of conduit pipe to have nozzle sealing plate 37, nozzle Sealing plate 37 offers the water outlet of safety relief valve 10.The water outlet of the hydraulic turbine 15 is provided with outlet passage 12, in computer room 16 Interior returning apparatus has generator 8, transformer 6 and the electric panel cabinet and Element of automatic control 7 etc. being sequentially connected with the hydraulic turbine 15 mating Equipment.Connected between outlet passage 12 and tail water runner 49 by flashboard 13, but be provided with overflow weir 47 and its overflow launder 48 Connecting passage 11 be directly connected to, be then directly connected between tail water runner 49 and overflow launder 48.The other end of connecting passage 11 with The excretion runner 36 being arranged at safety relief valve is directly connected to, and has pressure aqueduct with the buried long range in next stage power station It is connected between the water inlet in road 14 by flashboard 45.The outer surface for having pressure conduit pipe 5 outside computer room 16 is additionally provided with and takes Water nozzle 59, safety valve 52 and its stilling pond 58 and the excretion runner 54 for leading to river 1.

Safety relief valve 10 is by being fixed in the bottom plate 43, top plate 39 and its side of two sides of 37 water outlet outer surface of nozzle sealing plate The water outlet that plate 40 is constituted is sequentially connected with valve 42 by drive rod 41 in the hinged rotation valve 42 in 39 water outlet of top plate Lever 38, the gravity block 35 of 38 other end of lever setting, and the buffering being sequentially connected between lever 38 and support base 51 Tension spring 25 and the limiting component 61 of 38 bottom of lever setting form.It is arranged at the corresponding front position of 10 discharge opening of safety relief valve There are the force eliminating plate 44 being made of two pieces of symmetrical groove type reflection blocking faces and the support plate 50 at its back side and the branch of its bottom Support the power device that disappears that seat 51 forms.

The outlet pipe 53 and its flange 60 that safety valve 52 is connected by the water outlet opened up with 5 ontology of conduit pipe, device exists The burst blind plate 55 of 60 outer end of flange forms.

When hoist engine 20 opens Rotary grate door-plate 18 by transmission arm 19, the water flow in river 1 can be passed sequentially through There is pressure aqueduct in the bottom of separated sewage board 17 into long range every the top of sand wall 28 and filth isolating grid 32, and after trash rack 23 Road 5.At this point, having certain long range than drop to there is pressure conduit pipe 5 not only to direct water flow towards its other end, and produce water flow Considerable degree of pressure is given birth to, pressure flow can enter the hydraulic turbine 15 and generator 8 is driven to start generator operation.From the hydraulic turbine The water flow of 15 discharges then can smoothly be discharged into river by outlet passage 12 and flashboard 13 in the open state and tail water runner 49 1, can also close flashboard 13 open flashboard 45 after by connecting passage 11 direct it towards next stage power station have pressure conduit pipe 14 Water inlet.When the hydraulic turbine in next stage power station needs emergency shutdown or load shedding, all or part of water flow can then pass through The overflow weir 47 and its overflow launder 48 of connecting passage 11 are discharged from tail water runner 49.

When water flow brings sundries in river 1, then it is blocked in river 1 by separated sewage board 17 in the sundries of river water floating on water The water surface on, and can Salvage and Wreck Removal.The sundries for entering water inlet lock chamber 4 from 17 bottom of separated sewage board can then rest on trash rack 23, When generating pressure difference between blocking dirt and deleting 23 upstream and downstream faces, full automatic pollution removing machine 22 is suitable after can clearing up sundries to contamination dirt discharge groove 46 Benefit discharge.

When water flow brings silt particle in river 1, a large amount of silt particles can be stopped to the river other than face at its upstream every sand wall 28 In road 1 and can be rushed lock 3 by letting out and discharged it, cross enter the silt particle intake in lock chamber 4 every sand wall 28 then can be by full-automatic silt particle Separator 29 is completely separated and is smoothly discharged by sediment outflow gallery 29.

When mercury dropped and when water flow being made in river 1 to start to freeze, it is external that ice slush can be then blocked in it by separated sewage board 17 In river 1, and the water surface in its external river 1 can form the ice sheet of more stable and stronger under the supporting role of separated sewage board 17, at this time with The frost flower of water flow flowing or fiber crops, which float then can smoothly enter into water flow into water lock chamber 4 and pass through with water flow, pressure conduit pipe 5 It does work and generates electricity after into the hydraulic turbine 15.

When turbine-generator units need emergency shutdown or fast cutback, the deflecting plate of impulse turbine 15 can then be incited somebody to action All or part of high-speed jet into rotary wheel of water turbine rolls over rapidly and goes backward through outlet passage 12 and be smoothly discharged, and makes the hydraulic turbine 15 It can be shut down in the state of shutting down and not cutting off the water, so that the pressure effectively prevented in pressure conduit pipe generates jumbo fluctuation.

When used 15 not set movable deflecting plate of impulse turbine, closed rapidly in the rotation valve of exit portal The pressure closed and reduced in the case where aperture in conduit pipe 5 can increase, the safety when pressure is more than 35 pressure of gravity block Relief valve 10 can automatically turn in due course, and high speed sluicing water flow reflexes to excretion runner 36 by the force eliminating plate 44 in reflection blocking face It is discharged afterwards by connecting passage 11.

When there are the special circumstances such as 10 failure of 15 deflecting plate of the hydraulic turbine or safety relief valve, the bursting type of safety valve 52 is blind Plate 55 can discharge the destructive hyperpressure formed in pipe in time after bursting, high speed sluicing water flow disappears by stilling pond 58 after power It is discharged by excretion runner 54.

When riverbed 1 come water flow it is too small when, the diversion water conservancy diversion bottom sill 57 of 2 upstream of overflow weir can all guide water flow into aquatic Behind object migration channel 56, uncontrolled can uninterruptedly release ecological basic discharge, to be able to maintain connecting naturally for river 1 always The general character.

When riverbed 1 come water flow it is excessive and need power station increase draw big vast bypass flow when, can be by 10 people of safety relief valve For enforced opening, and drawing for pressure conduit pipe 5 can be increased after locking it in by limiting component 61 position of certain aperture Big vast bypass flow.

When riverbank ecological vegetation and crops need to irrigate, in the water intaking mouth for having pressure conduit pipe ontology Divisional setting 59 can carry out water intaking with pressure at any time irrigates.

Claims (10)

1. a kind of run-of-river power station includes overflow weir, the diversion water conservancy diversion bottom sill of overflow weir upstream setting passes through overflow weir weir crest Imitative uncontrolled aquatic organism migration channel naturally, letting out for overflow weir end rush lock and intake gate, the long range being connected with intake gate There is a pressure conduit pipe, and full-automatic silt particle separator and full automatic pollution removing device, and including underground or ground type computer room, The hydraulic turbine of device and its generator, transformer, electrical equipment and Element of automatic control etc. in computer room, it is characterised in that: into The top setting separated sewage board or wall of sluice room water intake end, have on water inlet lock floor at regular intervals in separated sewage board or wall rear Setting is set in water inlet lock chamber runner every sand plate or wall every inlet gate is arranged in sand plate or coping or lock chamber runner Set full automatic pollution removing device, full-automatic silt particle separator be set in the runner bottom, and by lock chamber runner and embedded type it is long away from From have pressure conduit pipe input end be connected, have pressure conduit pipe the other end lay to computer room and with the water inlet of the hydraulic turbine Be connected, the hydraulic turbine water outlet be arranged outlet passage, have pressure conduit pipe ontology be additionally provided with one or several safety valves, Safety relief valve and water intaking mouth with pressure.

2. run-of-river power station according to claim 1, it is characterised in that: imitative nature uncontrolled aquatic organism migration channel can To be concrete structure, it is also possible to the structure of the other materials such as metal, can also be arranged at the top of water inlet lock chamber has heat preservation function The heat preservation top of energy.

3. run-of-river power station according to claim 1, it is characterised in that: the bottom end of separated sewage board or wall is stretched into water lock chamber Normal water bit line hereinafter, and its thickness can increase to the thickness of heat insulation function or its surface laying thermal insulation material.

4. run-of-river power station according to claim 1, it is characterised in that: flat can be set every sand plate or coping Plate or gates of segmental shape can also cut with scissors installing and set the immersion Rotary grate that the other end extends to its front separated sewage board or wall bottom, and And its top is not higher than the Bottom Altitude of normal water passage.

5. run-of-river power station according to claim 1, it is characterised in that: mixed-flow, axial-flow type can be used in its hydraulic turbine Etc. forms the hydraulic turbine, be made of one or several runners and its corresponding exit portal one or several linkage can also be used Low water head big flow high efficiency impulse turbine.

6. run-of-river power station according to claim 1, it is characterised in that: the outlet passage of hydraulic turbine water outlet can be with Tail water runner is directly connected to, can also be by being provided with the connecting passage of overflow weir and its overflow launder and the length in next stage power station Distance has the water inlet of pressure conduit pipe to be connected, and tail water runner is then connected with the overflow launder of connecting passage.

7. run-of-river power station according to claim 1, it is characterised in that: safety valve is by the water outlet that is arranged in pipeline body The bursting type blind plate composition being arranged in mouth and water outlet.

8. run-of-river power station according to claim 1, it is characterised in that: safety relief valve is by bottom plate, top plate and its two The water outlet that the side plate of side is constituted, the transmission in the hinged rotation valve in the water outlet of bottom plate or top plate, with valve transmission connection Component is formed with gravity block, buffer unit and the limiting component of transmission parts transmission connection.

9. run-of-river power station according to claim 1 or 4, it is characterised in that: immersion Rotary grate is by door-plate, door-plate The hinge dress component and its transmission parts of one end setting are arranged with the power device of transmission parts transmission connection and around door-plate Sealing element composition.

10. according to claim 1, run-of-river power station described in 7 or 8, it is characterised in that: safety valve and safety relief valve sluice Mouthful corresponding front position is also provided with stilling pond etc. and disappears power facility.