CN105736230A - Horizontal-shaft tidal current energy water turbine with constant-speed spiral blade - Google Patents

Horizontal-shaft tidal current energy water turbine with constant-speed spiral blade Download PDF

Info

Publication number
CN105736230A
CN105736230A CN201610073229.7A CN201610073229A CN105736230A CN 105736230 A CN105736230 A CN 105736230A CN 201610073229 A CN201610073229 A CN 201610073229A CN 105736230 A CN105736230 A CN 105736230A
Authority
CN
China
Prior art keywords
constant speed
speed spiral
spiral vane
hub
tidal current
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610073229.7A
Other languages
Chinese (zh)
Other versions
CN105736230B (en
Inventor
阚阚
郑源
何中伟
付士凤
刘惠文
陈荣杰
陈会向
田甜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hohai University HHU
Original Assignee
Hohai University HHU
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hohai University HHU filed Critical Hohai University HHU
Priority to CN201610073229.7A priority Critical patent/CN105736230B/en
Publication of CN105736230A publication Critical patent/CN105736230A/en
Application granted granted Critical
Publication of CN105736230B publication Critical patent/CN105736230B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
    • F03B13/26—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using tide energy
    • 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
    • F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
    • F03B3/04—Machines or engines of reaction type; Parts or details peculiar thereto with substantially axial flow throughout rotors, e.g. propeller turbines
    • 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
    • F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
    • F03B3/12—Blades; Blade-carrying rotors
    • F03B3/121—Blades, their form or construction
    • 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
    • F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
    • F03B3/12—Blades; Blade-carrying rotors
    • F03B3/126—Rotors for essentially axial flow, e.g. for propeller turbines
    • 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
    • F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
    • F03B3/16—Stators
    • F03B3/18—Stator blades; Guide conduits or vanes, e.g. adjustable
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2220/00—Application
    • F05B2220/70—Application in combination with
    • F05B2220/706—Application in combination with an electrical generator
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient

Abstract

The invention relates to a horizontal-shaft tidal current energy water turbine with a constant-speed spiral blade. The horizontal-shaft tidal current energy water turbine comprises a main shaft, a case, a thrust bearing, a coupler, a power generator, a rack, a base and a water guide cone. The rack and the base are used for supporting the lower portion of the case. The horizontal-shaft tidal current energy water turbine is characterized by further comprising the constant-speed spiral blade which is in a two-dimensional constant-speed spiral shape, a cone-like hub immersed in water tidal current, and a sealing cover; the power generator is connected with the cone-like hub through the coupler and the main shaft; the sealing cover is arranged at the connecting position of the main shaft and the cone-like hub; the water guide cone is arranged at the position, on the rear side of the cone-like hub, at the tail portion of the case; and the constant-speed spiral blade gradually stretches in the axial direction of the cone-like hub through the thrust bearing to form a spatial warping shape so as to be evenly distributed on the periphery of the cone-like hub to conduct the constant-speed rotation movement. By means of the horizontal-shaft tidal current energy water turbine with the constant-speed spiral blade, hydraulic frictional impacts are greatly reduced, inlet head losses are reduced, and therefore the energy obtaining effect of the water turbine is improved, and the purposes of making ocean fish schools smoothly pass through and the like are well achieved.

Description

A kind of horizontal axis tidal current energy hydraulic turbine with constant speed spiral vane
Technical field
The invention belongs to hydraulic turbine technical field of power generation, particularly relate to a kind of horizontal axis tidal current energy hydraulic turbine with constant speed spiral vane.
Background technology
In the last few years, along with marine resources and maritime rights and interests are day by day concerned, the mankind are little by little being heated up for exploration and the exploitation of marine tidal-current energy, and marine tidal-current energy is as the important component part of ocean energy, having that predictability, power density be big and the outstanding advantages such as energy stabilization, exploitation receive much concern.
The exploitation of marine tidal-current energy is concentrated mainly on technical field of power generation, and tidal current energy water turbine is its core energy conversion device.According to textural classification, existing tidal current energy water turbine mainly has the trunnion axis hydraulic turbine, horizontal shaft water-turbine and vibration hydrofoil, and these tidal current energy water turbines cut both ways, and trunnion axis hydraulic turbine Technical comparing is ripe, and capacitation efficiency is higher, but driftage loss is serious；Although horizontal shaft water-turbine simple in construction, it is easy to maintenance, but there is also self-starting problem difficult, inefficient；The research of vibration hydrofoil is started late, and is also in the exploratory stage.Meanwhile, the vibration and noise of these hydraulic turbines is big, and the marine environment that the marine organisms such as Fish, siphonopods are depended on for existence all has a degree of impact and destruction.From the patented technology announced, also cannot be introduced into the practical stage because there is aforementioned deficiency.
Chinese patent application 201210556394.X discloses " combined type tidal current energy vertical shaft water turbine ", although the program have employed the structure of outside H type, internal S type, there is the advantages such as fast startability, stability is better, but because blade vertical axis is arranged, make overall efficiency relatively low, and marine organisms are had considerable influence.Chinese patent application 201310291232.2 discloses " the marine tidal-current energy capacitation hydraulic turbine that a kind of blade posture is variable ", arc shaped blade is arranged on main shaft by on-link mode (OLM) by the program, blade posture is variable, stability of period is better, but because its structure is excessively complicated, economy is poor, does not have practical value.
In sum, the deficiencies in the prior art how are overcome to become one of emphasis difficult problem urgently to be resolved hurrily in modern water turbine technical field of power generation.
Summary of the invention
It is an object of the invention to as overcoming deficiency existing for prior art to provide a kind of horizontal axis tidal current energy hydraulic turbine with constant speed spiral vane, the hydraulic turbine of the present invention has used the constant speed spiral vane in two dimension constant speed helix shape dexterously, to be uniformly set on the periphery of class cone hub be uniform speed rotation along the axial gradual change of class cone hub stretching formation spatial warping shape, greatly reduce hydraulic friction collision, reduce entrance head loss, thus improve hydraulic turbine capacitation effect and solving well and make the difficult problems such as the ocean shoal of fish passes through.
According to a kind of horizontal axis tidal current energy hydraulic turbine with constant speed spiral vane that the present invention proposes, including main shaft (3), cabinet (5), thrust bearing (6), shaft coupling (7), electromotor (8), frame (9), base (10), water guide cone (11), described cabinet (5) lower section supports with frame (9) and base (10) respectively；It is characterized in that, also include being the constant speed spiral vane (1) of two dimension constant speed helix shape, the class cone hub (2) immersed in torrent stream, seal closure (4)；Described electromotor (8) is coupled with class cone hub (2) by shaft coupling (7) and main shaft (3), in main shaft (3) and class cone hub (2) junction, seal closure (4) is set, class cone hub (2) rear side cabinet (5) afterbody water guide cone (11) is set, described constant speed spiral vane (1) by thrust bearing (6) with along the axial gradual change of class cone hub (2) stretch formed spatial warping shape be uniformly set on the periphery of class cone hub (2)；Described constant speed spiral vane (1) on class cone hub (2) periphery axially different apart under cross section Curve of wing on the coordinate of key point represent as follows, X and Y represents the spatial value of key point on the Curve of wing of constant speed spiral vane (1) cross section respectively, and the parameter at the axial 55cm place of leading edge of distance-like cone hub (2) is referring to table 1:
Table 1
Sequence number X Y Sequence number X Y
1 -11.6497 -8.4642 11 -10.5696 -10.1952
2 -12.9441 -9.4046 12 -11.8313 -11.2449
3 -14.2386 -10.3451 13 -13.0897 -12.2987
4 -15.5330 -11.2855 14 -14.3449 -13.3561
5 -16.8274 -12.2260 15 -15.5976 -14.4167
6 -18.1219 -13.1664 16 -16.8479 -15.4800
7 -19.4163 -14.1069 17 -18.0962 -16.5457
8 -20.7108 -15.0473 18 -19.3428 -17.6133
9 -22.0052 -15.9878 19 -20.588 -18.6827
10 -23.2996 -16.9282 20 -21.8319 -19.7534
Two curvilinear equations after matching are respectively as follows:
The left string of constant speed spiral vane (1): y=-0.0001x3-0.0009x2+0.7187x-0.0273；
The right string of constant speed spiral vane (1): y=-0.0038x2+0.7609x-1.7670；
The parameter at the axial 110cm place of leading edge of distance-like cone hub (2) is referring to table 2:
Table 2
Sequence number X Y Sequence number X Y
1 5.9789 28.5045 11 8.8997 27.3904
2 6.7195 31.6603 12 9.8885 30.4338
3 7.4549 34.8173 13 10.8774 33.4772
4 8.1862 37.9753 14 11.8662 36.5206
5 8.9140 41.1341 15 12.8551 39.5639
6 9.6391 44.2935 16 13.8439 42.6073
7 10.3619 47.4534 17 14.8328 45.6507
8 11.0829 50.6138 18 15.8217 48.6941
9 11.8023 53.7745 19 16.8105 51.7374
10 12.5205 56.9355 20 17.7994 54.7808
Two curvilinear equations after matching are respectively as follows:
The left string of constant speed spiral vane (1): y=0.0002x4-0.0063x3+0.098x2+3.576x-4.7034；
The right string of constant speed spiral vane (1): y=-0.0002x3-0.0025x2+3.0947x-0.0457；
The parameter at the axial 165cm place of leading edge of distance-like cone hub (2) is referring to table 3:
Table 3
Two curvilinear equations after matching are respectively as follows:
The left string of constant speed spiral vane (1): y=-0.0002x3+0.0039x2-3.1151x+0.1401；
The right string of constant speed spiral vane (1): y=-0.0003x3+0.0116x2-2.5467x+2.5730；
The parameter at the axial 240cm place of leading edge of distance-like cone hub (2) is referring to table 4:
Table 4
Sequence number X Y Sequence number X Y
1 -49.9814 29.3239 11 -46.5993 33.8564
2 -55.5149 32.6196 12 -51.7770 37.6182
3 -61.0502 35.9122 13 -56.9547 41.3800
4 -66.587 39.2024 14 -62.1324 45.1418
5 -72.125 42.4906 15 -67.3101 48.9037
6 -77.6637 45.7775 16 -72.4879 52.6655
7 -83.203 49.0634 17 -77.6656 56.4273
8 -88.7428 52.3485 18 -82.8433 60.1891
9 -94.2831 55.6329 19 -88.021 63.9509
10 -99.8237 58.9165 20 -93.1987 67.7128
Two curvilinear equations after matching are respectively as follows:
The left string of constant speed spiral vane (1): y=-0.0002x2-0.6118x-0.8041；
The right string of constant speed spiral vane (1): y=-0.7267x+0.0004；
The parameter at the axial 290cm place of leading edge of distance-like cone hub (2) is referring to table 5:
Table 5
Two curvilinear equations after matching are respectively as follows:
The left string of constant speed spiral vane (1): y=-0.7270x+0.0102；
The right string of constant speed spiral vane (1): y=0.0001x2-0.6065x+0.6915。
The principle that realizes of the present invention is: the hydraulic turbine of the present invention has used the constant speed spiral vane in two dimension constant speed helix shape dexterously, to be uniformly set on the periphery of class cone hub along the axial gradual change of class cone hub stretching formation spatial warping shape, when trend flows through the hydraulic turbine of the present invention, trend particle is then uniform speed rotation along with streaming constant speed spiral vane, greatly reduce hydraulic friction collision, reduce entrance head loss, thus improve hydraulic turbine capacitation effect；Wherein, class cone hub can be arranged to different ratio of height to diameters according to tidal current speed difference, and the constant speed spiral vane in two dimension constant speed helix shape can be arranged to different pitch according to tidal current speed degree difference and regulate spatial warping degree；Greatly ensure that the stability that runner rotates；Rotate after external force suffered by constant speed spiral vane, and then drive main shaft to rotate, then pass torque to the generating set generating being attached thereto, marine tidal-current energy is converted into electric energy.
Compared with prior art it has the remarkable advantages that the present invention:
First, the constant speed spiral vane of the present invention is in two dimension constant speed helix shape, to be uniformly set on the periphery of class cone hub be uniform speed rotation along the axial gradual change of class cone hub stretching formation spatial warping shape, greatly reduce hydraulic friction collision, reduce entrance head loss, thus improve hydraulic turbine capacitation effect；
Second, the class cone hub of the present invention is the class cone shape that the three-dimensional constant speed helix of described constant speed spiral vane inner edge is formed around axial-rotation, coordinate with constant speed spiral vane and synergism, not only substantially reduce the vibration and noise of water turbine units, and the ocean shoal of fish can be made to pass through, efficiently solve the Fish existing for prior art and be difficult to migrate, the marine eco-environment damaged and problem that tidal current energy water turbine and marine organisms are difficult to coexist.
3rd, the hydraulic turbine structure of the present invention has filled up the blank of the art, it efficiently solves a difficult problem for the self-starting difficulty existing for prior art, and class cone hub can be arranged to different ratio of height to diameters according to tidal current speed difference, the cross sectional shape of constant speed spiral vane can symmetrically airfoil type or asymmetric airfoil type, this working in coordination with class cone hub and constant speed spiral vane mates produced thrust, it is possible to obtain more marine tidal-current energy.
4th, the hydraulic turbine structure good stability of the present invention, effective time length and efficiency are high, can as the upgraded product of prior art, it is adaptable to substitute the various hydraulic turbines utilizing marine tidal-current energy to generate electricity in this area.
Accompanying drawing explanation
Fig. 1 is the structure cross-sectional schematic of a kind of horizontal axis tidal current energy hydraulic turbine with constant speed spiral vane that the present invention proposes.
Fig. 2 is the body contour structures schematic diagram of a kind of horizontal axis tidal current energy hydraulic turbine with constant speed spiral vane that the present invention proposes.
Fig. 3 is the constant speed helix schematic diagram of the constant speed spiral vane that the present invention proposes.
Fig. 4 is the runner outer shape structural representation of a kind of horizontal axis tidal current energy hydraulic turbine with constant speed spiral vane that the present invention proposes.
Fig. 5 is the contour structures schematic diagram of single constant speed spiral vane that the present invention proposes.
Fig. 6 is the contour structures schematic diagram of double; two constant speed spiral vanes combination that the present invention proposes.
Fig. 7 is the axially distinct position schematic cross-section of the constant speed spiral vane that the present invention proposes.
Fig. 8 is the distance-like cone hub leading edge axial 55cm place constant speed spiral vane cross section molded line schematic diagram that the present invention proposes.
Fig. 9 is the distance-like cone hub leading edge axial 110cm place constant speed spiral vane cross section molded line schematic diagram that the present invention proposes.
Figure 10 is the distance-like cone hub leading edge axial 165cm place constant speed spiral vane cross section molded line schematic diagram that the present invention proposes.
Figure 11 is the distance-like cone hub leading edge axial 240cm place constant speed spiral vane cross section molded line schematic diagram that the present invention proposes.
Figure 12 is the distance-like cone hub leading edge axial 290cm place constant speed spiral vane cross section molded line schematic diagram that the present invention proposes.
Detailed description of the invention
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.
In conjunction with Fig. 1-3, a kind of horizontal axis tidal current energy hydraulic turbine with constant speed spiral vane that the present invention proposes, including main shaft (3), cabinet (5), thrust bearing (6), shaft coupling (7), electromotor (8), frame (9), base (10), water guide cone (11), described cabinet (5) lower section supports with frame (9) and base (10) respectively；Also include being the constant speed spiral vane (1) of two dimension constant speed helix shape, the class cone hub (2) immersed in torrent stream, seal closure (4)；Described electromotor (8) is coupled with class cone hub (2) by shaft coupling (7) and main shaft (3), in main shaft (3) and class cone hub (2) junction, seal closure (4) is set, class cone hub (2) rear side cabinet (5) afterbody water guide cone (11) is set, described constant speed spiral vane (1) by thrust bearing (6) with along the axial gradual change of class cone hub (2) stretch formed spatial warping shape be uniformly set on the periphery of class cone hub (2).
In conjunction with Fig. 4-12, constant speed spiral vane (1) of the present invention on class cone hub (2) periphery axially different apart under cross section Curve of wing on the coordinate of key point represent as follows, X and Y represents the spatial value of key point on the Curve of wing of constant speed spiral vane (1) cross section respectively, and the parameter at the axial 55cm place of leading edge of distance-like cone hub (2) is referring to table 1:
Table 1
Sequence number X Y Sequence number X Y
1 -11.6497 -8.4642 11 -10.5696 -10.1952
2 -12.9441 -9.4046 12 -11.8313 -11.2449
3 -14.2386 -10.3451 13 -13.0897 -12.2987
4 -15.5330 -11.2855 14 -14.3449 -13.3561
5 -16.8274 -12.2260 15 -15.5976 -14.4167
6 -18.1219 -13.1664 16 -16.8479 -15.4800
7 -19.4163 -14.1069 17 -18.0962 -16.5457
8 -20.7108 -15.0473 18 -19.3428 -17.6133
9 -22.0052 -15.9878 19 -20.588 -18.6827
10 -23.2996 -16.9282 20 -21.8319 -19.7534
Two curvilinear equations after matching are respectively as follows:
The left string of constant speed spiral vane (1): y=-0.0001x3-0.0009x2+0.7187x-0.0273；
The right string of constant speed spiral vane (1): y=-0.0038x2+0.7609x-1.7670；
The parameter at the axial 110cm place of leading edge of distance-like cone hub (2) is referring to table 2:
Table 2
Sequence number X Y Sequence number X Y
1 5.9789 28.5045 11 8.8997 27.3904
2 6.7195 31.6603 12 9.8885 30.4338
3 7.4549 34.8173 13 10.8774 33.4772
4 8.1862 37.9753 14 11.8662 36.5206
5 8.9140 41.1341 15 12.8551 39.5639
6 9.6391 44.2935 16 13.8439 42.6073
7 10.3619 47.4534 17 14.8328 45.6507
8 11.0829 50.6138 18 15.8217 48.6941
9 11.8023 53.7745 19 16.8105 51.7374
10 12.5205 56.9355 20 17.7994 54.7808
Two curvilinear equations after matching are respectively as follows:
The left string of constant speed spiral vane (1): y=0.0002x4-0.0063x3+0.098x2+3.576x-4.7034；
The right string of constant speed spiral vane (1): y=-0.0002x3-0.0025x2+3.0947x-0.0457；
The parameter at the axial 165cm place of leading edge of distance-like cone hub (2) is referring to table 3:
Table 3
Two curvilinear equations after matching are respectively as follows:
The left string of constant speed spiral vane (1): y=-0.0002x3+0.0039x2-3.1151x+0.1401；
The right string of constant speed spiral vane (1): y=-0.0003x3+0.0116x2-2.5467x+2.5730；
The parameter at the axial 240cm place of leading edge of distance-like cone hub (2) is referring to table 4:
Table 4
Sequence number X Y Sequence number X Y
1 -49.9814 29.3239 11 -46.5993 33.8564
2 -55.5149 32.6196 12 -51.7770 37.6182
3 -61.0502 35.9122 13 -56.9547 41.3800
4 -66.587 39.2024 14 -62.1324 45.1418
5 -72.125 42.4906 15 -67.3101 48.9037
6 -77.6637 45.7775 16 -72.4879 52.6655
7 -83.203 49.0634 17 -77.6656 56.4273
8 -88.7428 52.3485 18 -82.8433 60.1891
9 -94.2831 55.6329 19 -88.021 63.9509
10 -99.8237 58.9165 20 -93.1987 67.7128
Two curvilinear equations after matching are respectively as follows:
The left string of constant speed spiral vane (1): y=-0.0002x2-0.6118x-0.8041；
The right string of constant speed spiral vane (1): y=-0.7267x+0.0004；
The parameter at the axial 290cm place of leading edge of distance-like cone hub (2) is referring to table 5:
Table 5
Two curvilinear equations after matching are respectively as follows:
The left string of constant speed spiral vane (1): y=-0.7270x+0.0102；
The right string of constant speed spiral vane (1): y=0.0001x2-0.6065x+0.6915。
The further preferred version of a kind of horizontal axis tidal current energy hydraulic turbine with constant speed spiral vane that the present invention proposes is:
The quantity of constant speed spiral vane (1) of the present invention is 1 to 5 piece；The cross sectional shape symmetrically airfoil type of described constant speed spiral vane (1) or asymmetric airfoil type；The pitch of described constant speed spiral vane (1) is 20～40 centimetres；The height of described class cone hub (2) and diameter ratio are 3:1～5:1；The height of described water guide cone (11) and diameter ratio are 1:1～2:5；On the periphery curve of the over-rotation shaft section of described class cone hub (2), the coordinate of key point represents as follows, X and Z represents the spatial value of key point on the periphery curve of the over-rotation shaft section of class cone hub (2) respectively, and design parameter is referring to table 6:
Table 6
The Application Example of a kind of horizontal axis tidal current energy hydraulic turbine with constant speed spiral vane that the present invention proposes is as follows:
The horizontal axis tidal current energy hydraulic turbine of a kind of constant speed spiral vane of present invention proposition is used when for the marine tidal-current energy flow velocity of coastal region for 1m/s～2.5m/s:
The design of embodiment 1 is identical with the technical solution of the present invention, and the design parameter of its critical piece is disclosed directly below:
The quantity of the constant speed spiral vane (1) of the present invention is 2 pieces；The cross sectional shape of constant speed spiral vane (1) selects symmetry machine aerofoil profile；The height of constant speed spiral vane (1) is 310cm, maximum gauge is 170cm, and minimum pitch is that 85cm, pitch gradual change are than for 5:6；The height of class cone hub (2) is 310cm, maximum gauge is 105cm；The height of described water guide cone (11) is 180cm, diameter is 105cm.
The design of embodiment 2 is identical with the technical solution of the present invention, and the design parameter of its critical piece is disclosed directly below:
The quantity of the constant speed spiral vane (1) of the present invention is 1 piece；The cross sectional shape of constant speed spiral vane (1) selects asymmetric airfoil type；The height of constant speed spiral vane (1) is 320cm, maximum gauge is 190cm, and minimum pitch is that 85cm, pitch gradual change are than for 5:6；The height of class cone hub (2) is 320cm, maximum gauge is 105cm；The height of described water guide cone (11) is 190cm, diameter is 105cm.
The design of embodiment 3 is identical with the technical solution of the present invention, and the design parameter of its critical piece is disclosed directly below:
The quantity of the constant speed spiral vane (1) of the present invention is 5 pieces；The cross sectional shape of constant speed spiral vane (1) selects symmetry machine aerofoil profile；The height of constant speed spiral vane (1) is 320cm, maximum gauge is 155cm, and minimum pitch is that 90cm, pitch gradual change are than for 5:6；The height of class cone hub (2) is 320cm, maximum gauge is 105cm；The height of described water guide cone (11) is 160cm, diameter is 105cm.
The concrete application process of the present invention is: the runner of the present invention include constant speed spiral vane (1) with along class cone hub (2) coordinated, when the trend in ocean impacts the constant speed spiral vane (1) of runner of the present invention, by the constant speed spiral vane (1) of runner, the energy of marine tidal-current energy is converted to the kinetic energy of runner, and then drive the output shaft of the horizontal axis tidal current energy hydraulic turbine to rotate, the energy of trend is converted to the kinetic energy of the horizontal axis tidal current energy hydraulic turbine, it is further driven to electrical power generators, trend flows to the rear of runner by water guide cone section, return in ocean.
The explanation being not directed in the specific embodiment of the present invention belongs to technology well known in the art, is referred to known technology and is carried out.
The present invention, through validation trial, achieves satisfied trial effect.
Above detailed description of the invention and embodiment are the concrete supports to a kind of horizontal axis tidal current energy hydraulic turbine technological thought with constant speed spiral vane that the present invention proposes; protection scope of the present invention can not be limited with this; every technological thought proposed according to the present invention; the any equivalent variations done on the technical program basis or the change of equivalence, all still fall within the scope of technical solution of the present invention protection.

Claims (7)

1. the horizontal axis tidal current energy hydraulic turbine with constant speed spiral vane, including main shaft (3), cabinet (5), thrust bearing (6), shaft coupling (7), electromotor (8), frame (9), base (10), water guide cone (11), described cabinet (5) lower section supports with frame (9) and base (10) respectively；It is characterized in that, also include being the constant speed spiral vane (1) of two dimension constant speed helix shape, the class cone hub (2) immersed in torrent stream, seal closure (4)；Described electromotor (8) is coupled with class cone hub (2) by shaft coupling (7) and main shaft (3), in main shaft (3) and class cone hub (2) junction, seal closure (4) is set, class cone hub (2) rear side cabinet (5) afterbody water guide cone (11) is set, described constant speed spiral vane (1) by thrust bearing (6) with along the axial gradual change of class cone hub (2) stretch formed spatial warping shape be uniformly set on the periphery of class cone hub (2)；Described constant speed spiral vane (1) on class cone hub (2) periphery axially different apart under cross section Curve of wing on the coordinate of key point represent as follows, X and Y represents the spatial value of key point on the Curve of wing of constant speed spiral vane (1) cross section respectively, and the parameter at the axial 55cm place of leading edge of distance-like cone hub (2) is referring to table 1:
Table 1
Sequence number X Y Sequence number X Y 1 -11.6497 -8.4642 11 -10.5696 -10.1952 2 -12.9441 -9.4046 12 -11.8313 -11.2449 3 -14.2386 -10.3451 13 -13.0897 -12.2987 4 -15.5330 -11.2855 14 -14.3449 -13.3561 5 -16.8274 -12.2260 15 -15.5976 -14.4167 6 -18.1219 -13.1664 16 -16.8479 -15.4800 7 -19.4163 -14.1069 17 -18.0962 -16.5457 8 -20.7108 -15.0473 18 -19.3428 -17.6133 9 -22.0052 -15.9878 19 -20.588 -18.6827 10 -23.2996 -16.9282 20 -21.8319 -19.7534
Two curvilinear equations after matching are respectively as follows:
The left string of constant speed spiral vane (1): y=-0.0001x3-0.0009x2+0.7187x-0.0273；
The right string of constant speed spiral vane (1): y=-0.0038x2+0.7609x-1.7670；
The parameter at the axial 110cm place of leading edge of distance-like cone hub (2) is referring to table 2:
Table 2
Two curvilinear equations after matching are respectively as follows:
The left string of constant speed spiral vane (1): y=0.0002x4-0.0063x3+0.098x2+3.576x-4.7034；
The right string of constant speed spiral vane (1): y=-0.0002x3-0.0025x2+3.0947x-0.0457；
The parameter at the axial 165cm place of leading edge of distance-like cone hub (2) is referring to table 3:
Table 3
Sequence number X Y Sequence number X Y 1 13.3495 -41.0856 11 34.7197 -79.8902 2 14.8328 -45.6507 12 32.8043 -75.4443 3 16.3161 -50.2158 13 30.8898 -70.9981 4 17.7994 -54.7808 14 28.9762 -66.5514 5 19.2827 -59.3459 15 27.0640 -62.1042 6 20.7659 -63.9110 16 25.1533 -57.6563 7 22.2492 -68.4760 17 23.2445 -53.2075 8 23.7325 -73.0411 18 21.3382 -48.7577 9 25.2158 -77.6062 19 19.4350 -44.3066 10 26.6991 -82.1712 20 17.5357 -39.8538
Two curvilinear equations after matching are respectively as follows:
The left string of constant speed spiral vane (1): y=-0.0002x3+0.0039x2-3.1151x+0.1401；
The right string of constant speed spiral vane (1): y=-0.0003x3+0.0116x2-2.5467x+2.5730；
The parameter at the axial 240cm place of leading edge of distance-like cone hub (2) is referring to table 4:
Table 4
Sequence number X Y Sequence number X Y 1 -49.9814 29.3239 11 -46.5993 33.8564 2 -55.5149 32.6196 12 -51.7770 37.6182 3 -61.0502 35.9122 13 -56.9547 41.3800 4 -66.587 39.2024 14 -62.1324 45.1418 2 --> 5 -72.125 42.4906 15 -67.3101 48.9037 6 -77.6637 45.7775 16 -72.4879 52.6655 7 -83.203 49.0634 17 -77.6656 56.4273 8 -88.7428 52.3485 18 -82.8433 60.1891 9 -94.2831 55.6329 19 -88.021 63.9509 10 -99.8237 58.9165 20 -93.1987 67.7128
Two curvilinear equations after matching are respectively as follows:
The left string of constant speed spiral vane (1): y=-0.0002x2-0.6118x-0.8041；
The right string of constant speed spiral vane (1): y=-0.7267x+0.0004；
The parameter at the axial 290cm place of leading edge of distance-like cone hub (2) is referring to table 5:
Table 5
Sequence number X Y Sequence number X Y 1 56.3076 -40.9098 11 60.2960 -35.4632 2 62.5639 -45.4553 12 66.9787 -39.4348 3 68.8203 -50.0009 13 73.6628 -43.4038 4 75.0767 -54.5464 14 80.3483 -47.3707 5 81.3331 -59.0919 15 87.0347 -51.3359 6 87.5895 -63.6375 16 93.7218 -55.3000 7 93.8459 -68.1830 17 100.4093 -59.2634 8 100.1023 -72.7286 18 107.0973 -63.226 9 106.3587 -77.2741 19 113.7856 -67.1880 10 112.6151 -81.8196 20 120.4743 -71.1495
Two curvilinear equations after matching are respectively as follows:
The left string of constant speed spiral vane (1): y=-0.7270x+0.0102；
The right string of constant speed spiral vane (1): y=0.0001x2-0.6065x+0.6915。
2. a kind of horizontal axis tidal current energy hydraulic turbine with constant speed spiral vane according to claim 1, it is characterised in that the quantity of described constant speed spiral vane (1) is 1～5 piece.
3. a kind of horizontal axis tidal current energy hydraulic turbine with constant speed spiral vane according to claim 2, it is characterised in that the cross sectional shape symmetrically airfoil type of described constant speed spiral vane (1) or asymmetric airfoil type.
4. a kind of horizontal axis tidal current energy hydraulic turbine with constant speed spiral vane according to claim 3, it is characterized in that, the pitch of described constant speed spiral vane (1) is 20～40 centimetres, and constant speed spiral vane (1) axial pitch is uniformly constant.
5. a kind of horizontal axis tidal current energy hydraulic turbine with constant speed spiral vane according to claim 4, it is characterised in that the height of described class cone hub (2) and diameter ratio are 3:1～5:1.
6. a kind of horizontal axis tidal current energy hydraulic turbine with constant speed spiral vane according to claim 1-5, it is characterized in that, the class cone shape that the three-dimensional constant speed helix being shaped as described constant speed spiral vane (1) inner edge of described class cone hub (2) is formed around axial-rotation；On the periphery curve of the over-rotation shaft section of described class cone hub (2), the coordinate of key point represents as follows, X and Z represents the spatial value of key point on the periphery curve of the over-rotation shaft section of class cone hub (2) respectively, and design parameter is referring to table 6:
Table 6
Sequence number X Z Sequence number X Z 1 11.9998 50.0000 11 -72.0000 300.0000 2 18.6939 77.8943 12 -65.3331 272.2223 3 25.3893 105.7883 13 -58.6676 244.4442 4 32.0838 133.6824 14 -52.0002 216.6666 5 38.7784 161.5766 15 -45.3334 188.8889 6 45.4731 189.4707 16 -38.6667 161.1111 7 52.1680 217.3648 17 -32.0000 133.3333 8 58.8616 245.2592 18 -25.3334 105.5555 9 65.5560 273.1543 19 -18.6663 77.7778 10 72.0000 300.0000 20 -11.9998 50.0000
7. a kind of horizontal axis tidal current energy hydraulic turbine with constant speed spiral vane according to claim 6, it is characterised in that the height of described water guide cone (11) and diameter ratio are 1:2～4:5.
CN201610073229.7A 2016-02-02 2016-02-02 A kind of horizontal axis tidal current energy hydraulic turbine with constant speed spiral vane Active CN105736230B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610073229.7A CN105736230B (en) 2016-02-02 2016-02-02 A kind of horizontal axis tidal current energy hydraulic turbine with constant speed spiral vane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610073229.7A CN105736230B (en) 2016-02-02 2016-02-02 A kind of horizontal axis tidal current energy hydraulic turbine with constant speed spiral vane

Publications (2)

Publication Number Publication Date
CN105736230A true CN105736230A (en) 2016-07-06
CN105736230B CN105736230B (en) 2017-12-26

Family

ID=56242204

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610073229.7A Active CN105736230B (en) 2016-02-02 2016-02-02 A kind of horizontal axis tidal current energy hydraulic turbine with constant speed spiral vane

Country Status (1)

Country Link
CN (1) CN105736230B (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106677958A (en) * 2016-12-29 2017-05-17 河海大学 Double-turning-wheel water turbine with logarithmic spiral blades and for cooling tower
CN106677960A (en) * 2016-12-29 2017-05-17 河海大学 Twin-runner water turbine applied to cooling tower and provided with circular-truncated-cone spiral blades
CN106677959A (en) * 2016-12-29 2017-05-17 河海大学 Twin-runner water turbine provided with Archimedes helical blades and used for cooling tower
CN107806390A (en) * 2017-09-26 2018-03-16 河海大学 A kind of tidal current energy water turbine with energization runner
CN107829873A (en) * 2017-09-26 2018-03-23 河海大学 A kind of tidal current energy water turbine based on double runner
WO2019061841A1 (en) * 2017-09-26 2019-04-04 河海大学 Multi-stage tidal current energy water turbine based on real-time adjustable guide cover rotation angle

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100327596A1 (en) * 2009-06-24 2010-12-30 Michael Anthony Williams Venturi Effect Fluid Turbine
US20110311363A1 (en) * 2010-06-17 2011-12-22 Chris Bills Vortex propeller
KR20130013476A (en) * 2011-07-27 2013-02-06 강창원 Seawater power plant
WO2014017914A1 (en) * 2012-07-26 2014-01-30 Jongejan Herman Jan Screw, screw part and method therefor
CN203614428U (en) * 2013-07-31 2014-05-28 郭仁发 Axial-flow fluid pressure machine with spiral blades and turbine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100327596A1 (en) * 2009-06-24 2010-12-30 Michael Anthony Williams Venturi Effect Fluid Turbine
US20110311363A1 (en) * 2010-06-17 2011-12-22 Chris Bills Vortex propeller
KR20130013476A (en) * 2011-07-27 2013-02-06 강창원 Seawater power plant
WO2014017914A1 (en) * 2012-07-26 2014-01-30 Jongejan Herman Jan Screw, screw part and method therefor
CN203614428U (en) * 2013-07-31 2014-05-28 郭仁发 Axial-flow fluid pressure machine with spiral blades and turbine

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106677958A (en) * 2016-12-29 2017-05-17 河海大学 Double-turning-wheel water turbine with logarithmic spiral blades and for cooling tower
CN106677960A (en) * 2016-12-29 2017-05-17 河海大学 Twin-runner water turbine applied to cooling tower and provided with circular-truncated-cone spiral blades
CN106677959A (en) * 2016-12-29 2017-05-17 河海大学 Twin-runner water turbine provided with Archimedes helical blades and used for cooling tower
CN107806390A (en) * 2017-09-26 2018-03-16 河海大学 A kind of tidal current energy water turbine with energization runner
CN107829873A (en) * 2017-09-26 2018-03-23 河海大学 A kind of tidal current energy water turbine based on double runner
WO2019061841A1 (en) * 2017-09-26 2019-04-04 河海大学 Multi-stage tidal current energy water turbine based on real-time adjustable guide cover rotation angle

Also Published As

Publication number Publication date
CN105736230B (en) 2017-12-26

Similar Documents

Publication Publication Date Title
CN105736227B (en) A kind of horizontal axis tidal current energy hydraulic turbine of the chain spiral vane of band
CN105736230A (en) Horizontal-shaft tidal current energy water turbine with constant-speed spiral blade
CN105545580B (en) A kind of horizontal axis tidal current energy hydraulic turbine with Fermat spiral vane
CN105736231B (en) A kind of horizontal axis tidal current energy hydraulic turbine of band snail spiral vane
CN105736213B (en) A kind of equiangular spiral shape hydraulic turbine to be generated electricity using marine tidal-current energy
Kosasih et al. Experimental study of shrouded micro-wind turbine
CN107524557B (en) A kind of multistage tidal current energy water turbine based on real-time, tunable pod corner
CN104863787B (en) A kind of wave stream coupling power-generating apparatus
CN105736228B (en) A kind of horizontal axis tidal current energy hydraulic turbine with logarithmic spiral shape blade
CN105736229B (en) A kind of horizontal axis tidal current energy hydraulic turbine with loudspeaker spiral vane
Alquraishi et al. Review on diffuser augmented wind turbine (dawt)
KR101272165B1 (en) Horizontal axis aerogenerator using same width and thickness airfoil blade and its pitch angle control method
CN103410656B (en) Wind turbine blade with transition delay control on blade root portion
CN202065123U (en) Combined efficient vertical axis wind driven generator
CN105697224B (en) A kind of Fibonacci spiral type hydraulic turbine utilizing marine tidal-current energy to generate electricity
CN109441691B (en) Mixed-flow water turbine with tail water pipe and rectifying plate
Chaudhary et al. Investigation of blade geometry and airfoil for small wind turbine blade
Kosasih et al. High-efficiency shrouded micro wind turbine for urban-built environment
CN104047805B (en) A kind of trunnion axis and the general wind generator device of vertical axis
CN107829873A (en) A kind of tidal current energy water turbine based on double runner
CN107829861B (en) A kind of impulse turbine based on pyriform line airfoil fan
CN203214236U (en) Blade and turbine generator using same
Xue et al. Flow Field Characteristics of Half-rotating Impeller Tidal Turbine
Rathod et al. Aerodynamic Analysis of Morphing Blade for Horizontal Axis Wind Turbine
CN204436680U (en) A kind of efficient inclined beating type hydro-turbo generator

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant