CN106026519A - Vertical through flush helical axial flow-type hydrogenerator and working method thereof - Google Patents

Vertical through flush helical axial flow-type hydrogenerator and working method thereof Download PDF

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Publication number
CN106026519A
CN106026519A CN201610469039.7A CN201610469039A CN106026519A CN 106026519 A CN106026519 A CN 106026519A CN 201610469039 A CN201610469039 A CN 201610469039A CN 106026519 A CN106026519 A CN 106026519A
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Prior art keywords
upper cover
generating
vertical
hydrogenerator
lower cover
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CN201610469039.7A
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Chinese (zh)
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郭远军
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Priority to CN201610469039.7A priority Critical patent/CN106026519A/en
Publication of CN106026519A publication Critical patent/CN106026519A/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/18Structural association of electric generators with mechanical driving motors, e.g. with turbines
    • H02K7/1807Rotary generators
    • H02K7/1823Rotary generators structurally associated with turbines or similar engines
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03BMACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03BMACHINES OR ENGINES FOR LIQUIDS
    • F03B3/00Machines or engines of reaction type; Parts or details peculiar thereto
    • F03B3/12Blades; Blade-carrying rotors
    • F03B3/121Blades, their form or construction
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/20Structural association with auxiliary dynamo-electric machines, e.g. with electric starter motors or exciters
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K9/00Arrangements for cooling or ventilating
    • H02K9/19Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/20Hydro energy
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Hydraulic Turbines (AREA)

Abstract

The invention discloses a vertical through flush helical axial flow-type hydrogenerator and a working method thereof. The vertical through flush helical axial flow-type hydrogenerator comprises a power generation mechanism, an excitation mechanism, a runner mechanism, an exhaust water pipe, a water guide mechanism and a runner chamber, wherein the runner mechanism comprises helical fins, a rotary upper cover and a fixed lower cover; the helical fins are helically distributed on the inner side of the rotary upper cover; the rotary upper cover and the fixed lower cover are connected through a seal bearing to form an enclosed annular cavity; the excitation mechanism and the power generation mechanism are internally and externally arranged in the annular cavity coaxially in parallel; and the water guide mechanism, the runner chamber and the exhaust water pipe form a flow blocking channel. The vertical through flush helical axial flow-type hydrogenerator is long in lifetime; the construction cost and the production management cost are relatively low; and the water energy conversion efficiency is high.

Description

Logical paperback helico-axial hydrogenerator and work method thereof during one is vertical
Technical field
The present invention relates to hydroelectric facility field, particularly relate to a kind of vertical in logical paperback helico-axial hydrogenerator and work method thereof.
Background technology
Hydroturbine generator can be divided into impulse turbine and the big class of reaction turbine two by operation principle.The runner of impulse turbine is rotated by the impact of current, and in work process, the pressure of current is constant, mainly the conversion of kinetic energy;The runner of reaction turbine is rotated by the counteracting force of current in water, in work process current pressure can and kinetic energy all change, but mainly pressure can conversion.
Impulse turbine, owing to its active wheel only part crosses water, part bucket stress, therefore such hydraulic turbine necessary flow is less, is relatively suitable for the generating place of low discharge high water head.Impulse turbine, can be divided into the formula of hitting of cutting (also known as bucket-type) and tilt-impulse type two class by the flow direction of current, and under the conditions of isometrical water wheels, the stress arm of force cutting the formula of hitting is relatively big relative to tilt-impulse type, but it is relatively small to run water wheels rotating speed.
Reaction turbine can be divided into mixed-flow, axial-flow type, diagonal flow type and tubular.In Francis turbine, current, radially into water distributor, axially flow out runner;In axial flow hydraulic turbine, current radially into stator, axially into flow out runner;In inclined flow turbine, current flow to runner radially into stator favouring the direction of a certain angle of main shaft, or flow to stator and runner to favour the direction of main shaft;In tubular turbine, current flow to stator and runner vertically.Axial-flow type, tubular and inclined flow turbine also can be divided into by its structure determines paddle and rotary propeller type.The runner bucket determining paddle is fixing;The runner bucket of rotary propeller type can be in operation and rotate, to adapt to the change of head and load around sharf.Currently used relatively broad mainly axial-flow type and Francis turbine.
The generally existing problem of the existing hydraulic turbine is: 1) impeller of the hydraulic turbine need to be by longer transmission shaft driven with electromotor and excitation electromotor, and generally, installation for the ease of power transmission shaft is changed, power transmission shaft junction can use Flange joint, simultaneously in order to maintain power transmission shaft stable rotation, avoid eccentric rotary, multiple bearing can be set in the junction of rotating shaft and middle part, bearing increase the friction energy-dissipating that can strengthen in rotation process, bearing easily burns out because of temperature arrising caused by friction, and longer power transmission shaft is when there is eccentric rotary, it is easily caused and electromotor is caused damage;2) electromotor and the exciter of existing hydroturbine generator can produce substantial amounts of used heat at work (mainly by heavy current heat production in wire, and bearing pivoting friction heat production), need special heat radiation is installed, cooling system, work as heat radiation, when cooling system goes wrong, it is easily caused movement, bearing burns out, even if under cooling system normally works, owing to stator and rotor are interior, outer layer is distributed, it is positioned at used heat that the rotor of internal layer produces and need to be transmitted to the external world by stator and rotor every space gap layer, little every the heat conduction rate of space gap layer, the bigger temperature difference is there is in internal layer rotor with outer layer stator, internal layer rotor easily burns;3) the existing hydraulic turbine, owing to existing in flow energy utilization, bigger water flow dynamic energy is remaining and frictional heat is lost, and the utilization rate of flow energy is relatively low, present stage, and the relatively high stable efficiency of axial flow hydraulic turbine is only 90%;4) existing often group hydrogenerator is all the customization machine for different terrain, causes raw material, assembly, wire rod and the parts can not be general, it is impossible to enough batch productions;5) needing to bear the stress of higher temperature or bigger due to the parts such as the stator in hydrogenerator, rotor, salient pole, power transmission shaft, the parts such as its stator, rotor, salient pole, power transmission shaft require height to the strength of materials.Above-mentioned factor causes bigger input cost and production management's cost to the construction in power station, and power station production production capacity is relatively low, and the small-sized available hydraulic power potentials of part is wasted.
Summary of the invention
The technical problem to be solved is: 1) in existing hydroturbine generator, power transmission shaft and bearing are owing to stress is relatively big, friction product temperature is higher, and its loss is bigger;2) electromotor and the exciter of existing hydroturbine generator can produce substantial amounts of used heat at work, needs to install special cooling system, and the cooling effect of its cooling system is not good enough, easily burn movement;3) the relatively high stable efficiency of the existing hydraulic turbine is only about 90%;4) existing hydrogenerator is all the customization machine for different terrain, and volume exists larger difference, it is impossible to enough batch productions;5) parts such as the stator in hydrogenerator, rotor, salient pole, power transmission shaft require height to the strength of materials.
For solving its technical problem the technical solution adopted in the present invention it is: logical paperback helico-axial hydrogenerator during one is vertical, including generating mechanism, excitation mechanism, rotating wheel mechanisms that, draft tube, water distributor and runner envelope;
It is characterized in that: rotating wheel mechanisms that includes flight, rotate upper cover and fixing lower cover, flight Spiral distribution is rotating inside upper cover, and be fixedly mounted on rotation upper cover inboard cylinder face, rotate upper cover and fixing lower cover and connect and compose the toroidal cavity of closing by sealing bearing, excitation mechanism is coaxially interior with generating mechanism, outer layer is arranged in toroidal cavity side by side, draft tube is fixing with fixing lower cover coaxial line to be connected, draft tube is positioned at the lower section of fixing lower cover, water distributor is fixing with fixing lower cover coaxial line to be connected, water distributor is positioned at the top of fixing lower cover, runner envelope is enclosed cavity by rotating upper cover, water distributor, runner envelope and draft tube are collectively forming closing water stream channel;
Described generating mechanism includes generate electricity Exciting Windings for Transverse Differential Protection and generating armature winding, and described excitation mechanism includes exciter excitation winding and armature of exciter winding;
Generating Exciting Windings for Transverse Differential Protection and generating armature winding coaxial upper and lower layer distribution, exciter excitation winding and armature of exciter winding lay respectively at generating Exciting Windings for Transverse Differential Protection and the inner side of generating armature winding;
Generating Exciting Windings for Transverse Differential Protection and exciter excitation winding are arranged on the upper side rotated in upper cover, and generating armature winding and armature of exciter winding are arranged on the downside in fixing lower cover.
As optimizing explanation further, described rotation upper cover is provided with conduction brush at the joint gap of fixing lower cover, and conduction brush is used for input and the output of induced current of exciting current.
As optimizing further, described draft tube and guiding mechanism arrange ceramic seal bearing with the position, gap rotating upper cover;This kind of structure can improve the sealing of toroidal cavity, improves the working environment sealing bearing, reduces the stress load sealing bearing, reduces fixing lower cover and the friction rotating upper cover.
As optimizing further, in order to have more preferable water resistance, described rotation upper cover and junction, fixing lower cover corner are provided with the folding shape centrifugal drying waterside ring cooperated, and the clearance aperture of folding shape centrifugal drying waterside ring is radially outward.
As optimizing further, in order to preferably strengthen water dumping effect and the wearability of folding shape centrifugal drying waterside ring, in the ring of described folding shape centrifugal drying waterside, it is also equipped with resin wear ring.
Explanation based on technique scheme, described vertical in during logical paperback helico-axial hydrogenerator acting, its runner envelope jointly rotarily drives the acting of generating mechanism with current.
Operation principle: this invention described vertical in logical paperback helico-axial hydrogenerator, during work, current are through the guiding of water distributor and control, flow into runner envelope, in runner envelope, flight drives flight under the driving of water flow pressure and rotates upper cover common rotation, rotate rotating of upper cover and drive generating Exciting Windings for Transverse Differential Protection and the rotation of exciter excitation winding, exciter excitation winding is when rotating, cutting armature of exciter winding, produce alternating current and be input to extraneous rectifying installation, extraneous rectifying installation is after over commutation, conducted electricity to generating Exciting Windings for Transverse Differential Protection by conduction brush, generating Exciting Windings for Transverse Differential Protection is made to produce magnetic field, at the Exciting Windings for Transverse Differential Protection coil of cutting generating armature winding when rotating that generates electricity, generating armature winding is made to export electric current.
This rotating wheel mechanisms that uses flight as hydraulic drives blade, relatively common paddle blade, the sustainable hydraulic drives that accepts of flight, extends the pressure action time flowing through water body, reduces the remaining kinetic energy of current, improves water energy conversion ratio.
Beneficial effect: of the present invention vertical in logical paperback helico-axial hydrogenerator, relative to existing hydroturbine generator, owing to its generating Exciting Windings for Transverse Differential Protection and generating armature winding are directly installed in rotation upper cover and the fixing lower cover of rotating wheel mechanisms that, the used heat that power generation operation process produces can directly reject heat in current by rotation upper cover with fixing lower cover, effectively eliminates special cold true cooling system;And, owing to generating Exciting Windings for Transverse Differential Protection is arranged on rotation upper cover, rotate upper cover hollow water flowing, under the generated output of same level, its volume is relatively small, surface area ratio is bigger, rate of heat dispation block, its generating Exciting Windings for Transverse Differential Protection can be directly by rotating upper cover heat conduction to extraneous, relative to traditional rotor structure pattern, its heat conduction without by between rotor and stator every dead level, its generating mechanism used heat can directly reject heat in current, compare existing generator heat-radiation system, there is more preferable radiating effect, the problem burning movement can be prevented effectively from, the service life of growth equipment.
Simultaneously, due to rotating wheel mechanisms that with generating mechanism, excitation mechanism integrated, power transmission is without by power transmission shaft parts transmission, can effectively avoid power transmission shaft eccentricity issues and bearing friction energy consumption issues, enormously simplify the structure and material of hydroturbine generator, reduce equipment volume largely;This equipment all can overall use under many situations of power plant construction, enhances the versatility of equipment significantly, decreases power plant construction cost and production management's cost.
Additionally, due to cover under hydraulic drives in flight and rotation, turn common with current, its runner envelope is also common with current turn, this frame mode, and its current are less with rotation upper cover friction energy-dissipating, and cavitation coefficient, cavitation factor, Toma coefficient is less, and conversion efficiency can be improved;Of the present invention vertical in the relatively high stable efficiency of logical paperback helico-axial hydrogenerator up to 95%.
Accompanying drawing explanation
Fig. 1 is the vertical cross section TV structure schematic diagram of the present invention program one;
Fig. 2 is the horizontal cross-sectional structural representation of the Exciting Windings for Transverse Differential Protection place plane of the present invention program one;
Fig. 3 is the horizontal cross-sectional structural representation of the armature winding place plane of the present invention program one;
Fig. 4 is the vertical cross section TV structure schematic diagram of the present invention program two;
Fig. 5 is to roll over shape centrifugal drying waterside ring structure enlarged diagram in the present invention program two;
Fig. 6 is to roll over shape centrifugal drying waterside ring structure enlarged diagram in the present invention program three;
In figure: 1 be generating mechanism, 11 be generating Exciting Windings for Transverse Differential Protection, 12 be generating armature winding, 2 be excitation mechanism, 21 be exciter excitation winding, 22 be armature of exciter winding, 3 be rotating wheel mechanisms that, 31 be flight, 32 for rotate upper cover, 33 be fixing lower cover, 34 for seal bearing, 35 be toroidal cavity, 36 be ceramic seal bearing, 37 be folding shape centrifugal drying waterside ring, 38 be resin wear ring, 4 be draft tube, 5 be water distributor, 6 be runner envelope, 7 be conduction brush.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described;Obviously, described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
Scheme one (as shown in Figure 1, Figure 2 and Figure 3): logical paperback helico-axial hydrogenerator during one is vertical, including generating mechanism 1, excitation mechanism 2, rotating wheel mechanisms that 3, draft tube 4, guides mechanism 5 and runner envelope 6;Rotating wheel mechanisms that 3 includes flight 31, rotates upper cover 32 and fixing lower cover 33, flight 31 Spiral distribution is rotating inside upper cover 32, rotate upper cover 32 and fixing lower cover 33 and connect and compose the toroidal cavity 35 of closing by sealing bearing 34, excitation mechanism 2 is arranged in toroidal cavity 35 side by side with the coaxial inside and outside layer of mechanism 1 that generates electricity, and draft tube 4 is fixing with fixing lower cover 33 coaxial line to be connected;Described generating mechanism 1 includes generate electricity Exciting Windings for Transverse Differential Protection 11 and generating armature winding 12;Described excitation mechanism 2 includes exciter excitation winding 21 and armature of exciter winding 22;Draft tube 4 is positioned at the rear of fixing lower cover 33, water distributor 5 is fixing with the fixing horizontal coaxial line of lower cover 33 to be connected, water distributor 5 is positioned at the front side of fixing lower cover 33, and runner envelope 6 is enclosed cavity by rotating upper cover 32, and water distributor 5, runner envelope 6 and draft tube 4 are collectively forming closing water stream channel;Generating Exciting Windings for Transverse Differential Protection 11 and generating armature winding 12 coaxial upper and lower layer distribution, be distributed in sector, and exciter excitation winding 21 and armature of exciter winding 22 lay respectively at generating Exciting Windings for Transverse Differential Protection 11 and the inner side of generating armature winding 12;Generating Exciting Windings for Transverse Differential Protection 11 and exciter excitation winding 21 are arranged on the upper side rotated in upper cover 32, and generating armature winding 12 and armature of exciter winding 22 are arranged on the downside in fixing lower cover 33;Rotating upper cover 32 and be provided with conduction brush 7 at the joint gap of fixing lower cover 33, conduction brush 7 is used for being conductively connected extraneous rectifying installation and generating Exciting Windings for Transverse Differential Protection 11;Rotate, in order to reduce, the friction that upper cover 32 is subject to, improve its sealing, described draft tube 4 and guiding mechanism 5 simultaneously and ceramic seal bearing 36 is set with the position, gap rotating upper cover 32..
In the embodiment above, described vertical in during logical paperback helico-axial hydrogenerator acting, its runner envelope 6 jointly rotarily drives the acting of generating mechanism with current.
By such scheme one embodiment, described vertical in the stabilization efficiency of logical paperback helico-axial hydrogenerator up to 95%, compare traditional axial flow type hydro-turbo generator, efficiency improves about 6%.
Scheme two (as shown in Figure 4 and Figure 5): be with scheme one difference: in order to have more preferable water resistance, described rotation upper cover 32 is connected edge and is provided with the folding shape centrifugal drying waterside ring 37 cooperated with fixing lower cover 33, and the clearance aperture of folding shape centrifugal drying waterside ring 37 is radially outward.
Scheme three (as shown in Figure 6): be with scheme one difference: in order to preferably strengthen water dumping effect and the wearability of folding shape centrifugal drying waterside ring 37, be also equipped with resin wear ring 38 in described folding shape centrifugal drying waterside ring 37.
Last it is noted that the foregoing is only the preferred embodiments of the present invention; it is not limited to the present invention; although the present invention being described in detail with reference to previous embodiment; for a person skilled in the art; technical scheme described in foregoing embodiments still can be modified by it; or wherein portion of techniques feature is carried out equivalent; all within the spirit and principles in the present invention; the any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.

Claims (6)

  1. null1. one kind vertical in logical paperback helico-axial hydrogenerator,Including generating mechanism (1)、Excitation mechanism (2)、Rotating wheel mechanisms that (3)、Draft tube (4)、Water distributor (5) and runner envelope (6),It is characterized in that: rotating wheel mechanisms that (3) includes flight (31)、Rotate upper cover (32) and fixing lower cover (33),Flight (31) Spiral distribution is rotating upper cover (32) inner side,And be fixedly mounted on rotation upper cover (32) inboard cylinder face,Rotate upper cover (32) and fixing lower cover (33) and connect and compose the toroidal cavity (35) of closing coaxially through sealing bearing (34),Excitation mechanism (2) and generating mechanism (1) are coaxially interior、Outer layer is arranged in toroidal cavity (35) side by side,Draft tube (4) is connected with fixing lower cover (33) co-axial seal,Draft tube (4) is positioned at the lower section of fixing lower cover (33),Water distributor (5) is fixing with fixing lower cover (33) coaxial line to be connected,Water distributor (5) is positioned at the top of fixing lower cover (33),Runner envelope (6) is enclosed cavity by rotating upper cover (32),Water distributor (5)、Runner envelope (6) and draft tube (4) are collectively forming closing water stream channel,Generating mechanism (1) includes generate electricity Exciting Windings for Transverse Differential Protection (11) and generating armature winding (12),Excitation mechanism (2) includes exciter excitation winding (21) and armature of exciter winding (22),On generating Exciting Windings for Transverse Differential Protection (11) is coaxial with generating armature winding (12)、Lower floor is distributed,Generating Exciting Windings for Transverse Differential Protection (11) and exciter excitation winding (21) are arranged on the upper side rotated in upper cover (32),Generating armature winding (12) and armature of exciter winding (22) are arranged on the downside in fixing lower cover (33),Exciter excitation winding (21) and armature of exciter winding (22) lay respectively at generating Exciting Windings for Transverse Differential Protection (11) and the inner side of generating armature winding (12).
  2. The most according to claim 1 vertical in logical paperback helico-axial hydrogenerator, it is characterized in that: described rotation upper cover (32) is provided with conduction brush (7) at the joint gap of fixing lower cover (33), conduction brush (7) is used for input and the output of induced current of exciting current.
  3. The most according to claim 2 vertical in logical paperback helico-axial hydrogenerator, it is characterised in that: the position, gap of described rotation upper cover (32) and draft tube (4) and rotate upper cover (32) and be provided with ceramic seal bearing (36) with the position, gap guiding mechanism (5).
  4. The most according to claim 3 vertical in logical paperback helico-axial hydrogenerator, it is characterized in that: described rotation upper cover (32) and fixing lower cover (33) junction, corner are provided with folding shape centrifugal drying waterside ring (37) cooperated, and the clearance aperture of folding shape centrifugal drying waterside ring (37) is radially outward.
  5. The most according to claim 4 vertical in logical paperback helico-axial hydrogenerator, it is characterised in that: be also equipped with resin wear ring (38) in described folding shape centrifugal drying waterside ring (37).
  6. 6. one kind vertical in the work method of logical paperback helico-axial hydrogenerator, it is characterised in that: in vertical, the runner envelope (6) of logical paperback helico-axial hydrogenerator jointly rotarily drives generating mechanism (1) acting with current.
CN201610469039.7A 2016-06-25 2016-06-25 Vertical through flush helical axial flow-type hydrogenerator and working method thereof Withdrawn CN106026519A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610469039.7A CN106026519A (en) 2016-06-25 2016-06-25 Vertical through flush helical axial flow-type hydrogenerator and working method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610469039.7A CN106026519A (en) 2016-06-25 2016-06-25 Vertical through flush helical axial flow-type hydrogenerator and working method thereof

Publications (1)

Publication Number Publication Date
CN106026519A true CN106026519A (en) 2016-10-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610469039.7A Withdrawn CN106026519A (en) 2016-06-25 2016-06-25 Vertical through flush helical axial flow-type hydrogenerator and working method thereof

Country Status (1)

Country Link
CN (1) CN106026519A (en)

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Application publication date: 20161012