CN106677960B - A kind of double-rotary-wheel water turbine used for cooling tower with rotary table spiral vane - Google Patents

A kind of double-rotary-wheel water turbine used for cooling tower with rotary table spiral vane Download PDF

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Publication number
CN106677960B
CN106677960B CN201611243545.0A CN201611243545A CN106677960B CN 106677960 B CN106677960 B CN 106677960B CN 201611243545 A CN201611243545 A CN 201611243545A CN 106677960 B CN106677960 B CN 106677960B
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China
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runner
rotary table
spiral vane
rotary
cooling tower
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CN106677960A (en
Inventor
郑源
黄鑫兰
孙奥冉
张玉全
陈宇杰
付士凤
林国朋
何中伟
郭楚
孙安
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Hohai University HHU
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Hohai University HHU
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
    • F03B3/12—Blades; Blade-carrying rotors
    • 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
    • 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
    • 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
    • F05B2220/30—Application in turbines
    • F05B2220/32—Application in turbines in water turbines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/20—Rotors
    • F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy

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

Abstract

The present invention relates to a kind of double-rotary-wheel water turbines used for cooling tower with rotary table spiral vane, including spiral case (1), water distributor (2), basic runner (3), outlet pipe (7), support plate (8), main shaft (9), bearing assembly (10), fan (11), it is characterized in that, it further include energization runner (4), the energization runner (4) is located at below the water outlet of basic runner (3), and energization runner (4) is connect by flange with basic runner (3)；Energization runner (4) includes rotary table spiral vane (5) and taper round tube (6), in which: the rotary table spiral vane (5) is gradually to be stretched along the axial direction of main shaft (9) in space crossed distorted shape and be uniformly set in the inner circumferential wall of taper round tube (6) according to rotary table helix.The present invention is able to solve the problem of water flow energy multiple energy conversion, to realize to the efficient utilization of water flow energy, improves the cooling effect of cooling tower.

Description

A kind of double-rotary-wheel water turbine used for cooling tower with rotary table spiral vane
Technical field
The invention belongs to water turbine for cooling tower technical fields, more particularly to a kind of cooling with rotary table spiral vane Tower double-rotary-wheel water turbine used for cooling tower.
Background technique
Hydrodynamic force water turbine for cooling tower is to utilize the surplus water head driving cooling tower in industrial cooling tower circulation The hydraulic turbine of blower rotation.It lives, under the historical background of ecological protection in current energy-saving and emission-reduction, low-carbon, there is unregulated power consumption The water turbine for cooling tower of feature is listed in the Typical Representative of industrial energy saving emission reduction, and energy-saving effect is very significant.
The big more options ultra-low specific speed mixed-flow type turbine of the type of existing water turbine for cooling tower belongs to hydraulic turbine expansion The new things of application.But because the development technique of water turbine for cooling tower is also immature, professional is still according to for tradition Hydraulic turbine theory develops water turbine for cooling tower, causes water energy conversion ratio low, output power is small, and the cooling effect of cooling tower is not It is good.
Chinese patent application 201310627136.0 discloses a kind of " the dedicated volute mixed-flow type water turbine group of cooling tower ", should Water turbine set includes the water distributor three parts of volute mixed-flow type water turbine, the blower on top and lower part, although whole device does not have Power consumption, size is small, structure is simple, operation and maintenance are convenient, but is also clearly present the problems such as structure design is not reasonable, therefore Without the function of carrying out multiple energy conversion to water energy.
Chinese patent application 201220494837.2 discloses " a kind of bilobed wheel hydraulic turbine of cooling tower ", the hydraulic turbine into Water pipe and body are connected as 90 degree of right angle water inlets, and set two impellers, and one is dead impeller, and one is feathering paddle wheel.When water enters In body, it is introduced into dead impeller, is then sprayed water outward by dead impeller, is worked from surrounding impact feathering paddle wheel.Although the device Have many advantages, such as that structure is simple, size is small and there is no power consumption, but existing obvious deficiency is cannot achieve to the more of water energy Secondary energy conversion, to achieve the purpose that it efficiently to be utilized and is improved hydraulic turbine output power.
In conclusion how to overcome the shortcomings of the prior art as in current water turbine for cooling tower field urgently One of emphasis problem of solution.
Summary of the invention
It provides it is an object of the invention to overcome the shortcomings of the prior art a kind of with rotary table spiral vane Water turbine for cooling tower, the present invention are able to solve the problem of water flow energy multiple energy conversion, to realize the efficient benefit to water flow energy With improving the cooling effect of cooling tower.
A kind of double-rotary-wheel water turbine used for cooling tower with rotary table spiral vane proposed according to the present invention, including spiral case, Water distributor, basic runner, outlet pipe, support plate, main shaft, bearing assembly, fan, which is characterized in that it further include energization runner, The energization runner is located at below the water outlet of basic runner, and energization runner is connect by flange with basic runner；Energization runner Including rotary table spiral vane and taper round tube, in which: the rotary table spiral vane is according to rotary table helix along main shaft It is axial gradually to stretch in space crossed distorted shape and be uniformly set in the inner circumferential wall of taper round tube, the rotary table spiral shell Revolve shape blade intermediate cross-section molded line characteristic point in the location parameter under rectangular coordinate system as shown in table 1-4, in which: with M1, M2, M3, M4 respectively indicate four molded line, x1、x2、x3、x4The abscissa of respectively four molded line, y1、y2、y3、y4Respectively four stripe shapes The ordinate of line；
Table 1: unit: mm
Serial number M1Z-X1 M1Z-Y1 Serial number M1F-X1 M1F-Y1
101 19.62 224 111 0 224
102 60.78 130.71 112 41.48 126.32
103 104.38 -60.86 113 85.45 -67.39
104 150.91 -180.28 114 132.37 -181.58
105 201.13 -104.68 115 182.93 -96.53
106 255.71 81.12 116 238.1 89.96
107 316.43 126.98 117 299.36 121.73
108 385.64 -35.66 118 369.29 -47.49
109 468.26 -74.66 119 452.47 -65.74
110 575.65 56 120 560 56
Two curvilinear equations after fitting are respectively as follows:
The front curvilinear equation of M1:
Y=-7 × 10-12x6+1×10-8x5-8×10-6x4+0.0025x3-0.3299x2+14.079x+53.551；
The reverse side curvilinear equation of M1:
Y=-7 × 10-12x6+1×10-8x5-7×10-6x4+0.0019x3-0.1999x2+3.5895x+220.63；
Table 2: unit: mm
Two curvilinear equations after fitting are respectively as follows:
The front curvilinear equation of M2:
Y=-1 × 10-11x6+2×10-8x5-1×10-5x4+0.0038x3-0.4969x2+21.052x+80.846；
The reverse side curvilinear equation of M2:
Y=-1 × 10-11x6+2×10-8x5-1×10-5x4+0.0028x3-0.3013x2+5.4342x+330.52；
Table 3: unit: mm
Serial number M3Z-X3 M3Z-Y3 Serial number M3F-X3 M3F-Y3
301 19.79 335.92 311 0 336
302 60.46 193.29 312 40.74 193.88
303 103.55 -91.74 313 83.93 -91.69
304 149.56 -270.47 314 130.04 -270.56
305 199.17 -161.09 315 179.78 -160.05
306 253.38 117.3 316 234.12 118.84
307 313.71 193.55 317 294.65 192.51
308 382.84 -50.44 318 364.03 -53.32
309 466.06 -112 319 447.66 -109.45
310 577.52 84.85 320 560 84
Two curvilinear equations after fitting are respectively as follows:
The front curvilinear equation of M3:
Y=-1 × 10-11x6+2×10-8x5-1×10-5x4+0.0038x3-0.4965x2+21.02x+81.617；
The reverse side curvilinear equation of M3:
Y=-1 × 10-11x6+2×10-8x5-1×10-5x4+0.0028x3-0.3013x2+5.4345x+330.51；
Table 4: unit: mm
Two curvilinear equations after fitting are respectively as follows:
The front curvilinear equation of M4:
Y=-2 × 10-11x6+3×10-8x5-2×10-5x4+0.0063x3-0.8317x2+35.471x+127.24；
The reverse side curvilinear equation of M4:
Y=-2 × 10-11x6+3×10-8x5-2×10-5x4+0.0047x3-0.5035x2+9.1019x+550.48。
Realization principle of the invention is: having water conservancy diversion for for draft tube in the hydroelectric hydraulic turbine and recovers energy Effect and water turbine for cooling tower in water flow is small, head is low and size is small problem, the present invention is used for cooling tower Energization runner is set below the basic runner of the hydraulic turbine, which includes rotary table spiral vane and taper round tube, in which: The rotary table spiral vane 5 is that the axial direction according to rotary table helix along main shaft 9 is gradually stretched in space crossed distorted shape simultaneously It is uniformly set in the inner circumferential wall of taper round tube 6, this, which allows for rotary table spiral vane, can be good at overcoming water flow Resistance plays maximum turn of energy；After water flow flows through guide vane from spiral case, successively do work to basic runner and energization runner, water After flowing out energization runner, central air-conditioning circulation is again introduced by taper outlet pipe.Since energization runner can will flow The potential energy of the water flow of basic runner is again converted into the rotating mechanical energy of runner out, to well solve water energy multiple energy The problem of conversion improves the output power of the hydraulic turbine, to enhance the cooling effect of cooling tower.
Its remarkable advantage is the present invention compared with prior art:
First is that the present invention provides a kind of new and effective water turbine for cooling tower the Hydraulic Design new departures, specifically in base Energization runner is added on the basis of plinth runner water power calculation, so that the hydraulic turbine of the present invention is to water flow under same head and flow Energy conversion ratio increases 15% on the basis of existing basic runner, energization significant effect, to enhance the cooling of cooling tower Effect.
Second is that the rotary table spiral vane of use of the invention is that axial direction according to rotary table helix along main shaft gradually stretches It in space crossed distorted shape and is uniformly set in the inner circumferential wall of taper round tube, substantially reduces hydraulic loss, mention The high output power of water turbine for cooling tower.
Third is that water turbine for cooling tower of the invention is stable, and it is high to the conversion ratio of water flow energy, it is widely used in tide The fields such as energy, valley hydroelectric generation are flowed to promote and apply.
Detailed description of the invention
Fig. 1 is a kind of structural representation of the double-rotary-wheel water turbine used for cooling tower with rotary table spiral vane proposed by the present invention Figure.
Fig. 2 is a kind of energization runner of the double-rotary-wheel water turbine used for cooling tower with rotary table spiral vane proposed by the present invention Structural schematic diagram.
Fig. 3 is a kind of energization runner of the double-rotary-wheel water turbine used for cooling tower with rotary table spiral vane proposed by the present invention Rotary table spiral vane four axial cross section hatching relative positions schematic diagram.
Fig. 4 is a kind of rotary table spiral of the double-rotary-wheel water turbine used for cooling tower with rotary table spiral vane proposed by the present invention The structural schematic diagram of the rotary table helical of shape blade.
Fig. 5 is a kind of energization runner of the double-rotary-wheel water turbine used for cooling tower with rotary table spiral vane proposed by the present invention Rotary table spiral vane single blade outline structural diagram.
Fig. 6 is a kind of energization runner of the double-rotary-wheel water turbine used for cooling tower with rotary table spiral vane proposed by the present invention Rotary table spiral vane twayblade combining structure schematic diagram.
Number explanation in attached drawing: spiral case 1, water distributor 2, basic runner 3, energization runner 4, rotary table spiral vane 5, Taper round tube 6, outlet pipe 7, support plate 8, main shaft 9, bearing combine 10, fan 11.
Specific embodiment:
A specific embodiment of the invention is described in further detail with reference to the accompanying drawings and examples.
Embodiment 1.A kind of double runner used for cooling tower with rotary table spiral vane proposed by the present invention combined with Figure 1 and Figure 2, The hydraulic turbine, including spiral case 1, water distributor 2, basic runner 3, energization runner 4, rotary table spiral vane 5, taper round tube 6, water outlet Pipe 7, support plate 8, main shaft 9, bearing assembly 10 and fan 11, the water distributor 2 are vertically arranged in the middle part of the cavity of spiral case 1, Basic runner 3 is embedded in water distributor 2, and the energization runner 4 is located at below the water outlet of basic runner 3, and energization runner 4 passes through Flange is connect with basic runner 3, and 4 outer wall of energization runner is equipped with outlet pipe 7；Energization runner 4 includes rotary table spiral vane 5 and cone Shape round tube 6, in which: the rotary table spiral vane 5 is gradually to be stretched to hand in space along the axial direction of main shaft 9 according to rotary table helix Fork distorted shape is simultaneously uniformly set in the inner circumferential wall of taper round tube 6, and the support plate 8 is fixed on 1 top of spiral case, is used In supports main shaft 9, bearing combination 10 and fan 11；The main shaft 9 is connected with basic runner 3, and main shaft 9 passes through in bearing combination 10 Portion and fan 11 are connected.
A kind of double-rotary-wheel water turbine used for cooling tower with rotary table spiral vane proposed by the present invention it is further preferably Scheme is:
The quantity of rotary table spiral vane 5 in the inner circumferential wall for being uniformly set at taper round tube 6 is 2-4 Piece.
The energization runner water inlet and basic runner water outlet are equal sized；Blade, the energization of the basis runner 3 turn The rotary table spiral vane 5 of wheel 4 is successively rotated by water impact, while the turning moment being passed to connected wind Arbor 9 drives fan 11 to rotate.
The water inlet end of the taper round tube 6 of the energization runner 4 and water outlet are circular cross-section, the expansion of the circular cross-section Dissipating angle is 38 °.
The outside of the energization runner 4 is equipped with outlet pipe 7, and the shape of the outlet pipe 7 is cone, and the cone is cut The diffusion angle in face is 18 °.
Embodiment 2.In conjunction with Fig. 3, with the friendship in each section for the rotary table spiral vane 5 that the main shaft 9 is the center surfaces of revolution Point is that origin establishes coordinate system, position of the intermediate cross-section molded line characteristic point of the rotary table spiral vane 5 under rectangular coordinate system Parameter is set as shown in table 1-4, in which: four molded line, x are respectively indicated with M1, M2, M3, M41、x2、x3、x4Respectively four molded line Abscissa, y1、y2、y3、y4The ordinate of respectively four molded line；
Table 1: unit: mm
Serial number M1Z-X1 M1Z-Y1 Serial number M1F-X1 M1F-Y1
101 19.62 224 111 0 224
102 60.78 130.71 112 41.48 126.32
103 104.38 -60.86 113 85.45 -67.39
104 150.91 -180.28 114 132.37 -181.58
105 201.13 -104.68 115 182.93 -96.53
106 255.71 81.12 116 238.1 89.96
107 316.43 126.98 117 299.36 121.73
108 385.64 -35.66 118 369.29 -47.49
109 468.26 -74.66 119 452.47 -65.74
110 575.65 56 120 560 56
Two curvilinear equations after fitting are respectively as follows:
The front curvilinear equation of M1:
Y=-7 × 10-12x6+1×10-8x5-8×10-6x4+0.0025x3-0.3299x2+14.079x+53.551；
The reverse side curvilinear equation of M1:
Y=-7 × 10-12x6+1×10-8x5-7×10-6x4+0.0019x3-0.1999x2+3.5895x+220.63；
Table 2: unit: mm
Two curvilinear equations after fitting are respectively as follows:
The front curvilinear equation of M2:
Y=-1 × 10-11x6+2×10-8x5-1×10-5x4+0.0038x3-0.4969x2+21.052x+80.846；
The reverse side curvilinear equation of M2:
Y=-1 × 10-11x6+2×10-8x5-1×10-5x4+0.0028x3-0.3013x2+5.4342x+330.52；
Table 3: unit: mm
Serial number M3Z-X3 M3Z-Y3 Serial number M3F-X3 M3F-Y3
301 19.79 335.92 311 0 336
302 60.46 193.29 312 40.74 193.88
303 103.55 -91.74 313 83.93 -91.69
304 149.56 -270.47 314 130.04 -270.56
305 199.17 -161.09 315 179.78 -160.05
306 253.38 117.3 316 234.12 118.84
307 313.71 193.55 317 294.65 192.51
308 382.84 -50.44 318 364.03 -53.32
309 466.06 -112 319 447.66 -109.45
310 577.52 84.85 320 560 84
Two curvilinear equations after fitting are respectively as follows:
The front curvilinear equation of M3:
Y=-1 × 10-11x6+2×10-8x5-1×10-5x4+0.0038x3-0.4965x2+21.02x+81.617；
The reverse side curvilinear equation of M3:
Y=-1 × 10-11x6+2×10-8x5-1×10-5x4+0.0028x3-0.3013x2+5.4345x+330.51；
Table 4: unit: mm
Two curvilinear equations after fitting are respectively as follows:
The front curvilinear equation of M4:
Y=-2 × 10-11x6+3×10-8x5-2×10-5x4+0.0063x3-0.8317x2+35.471x+127.24；
The reverse side curvilinear equation of M4:
Y=-2 × 10-11x6+3×10-8x5-2×10-5x4+0.0047x3-0.5035x2+9.1019x+550.48。
Embodiment 3.A kind of energization of double-rotary-wheel water turbine used for cooling tower with rotary table spiral vane proposed by the present invention The design scheme of rotaring wheel structure is as Figure 4-Figure 6, and several typical design parameters are by embodiment 3-1, embodiment 3-2, embodiment 3-3 is provided respectively, in which:
Embodiment 3-1: the radius of the upper disc of the taper round tube 6 of the energization runner 4 is the radius of 140mm, lower disc It 560mm, is highly 900mm；The quantity of the rotary table spiral vane 5 is 2 pieces, and the cross sectional shape of rotary table spiral vane 5 selects Select symmetrical airfoil；The maximum width of rotary table spiral vane 5 is 336mm, maximum gauge 1120mm, with a thickness of 20mm；Rotary table The screw pitch gradual change ratio of the helical of spiral vane 5 is 7:4；The water inlet end of the taper round tube 6 of the energization runner 4 and water outlet are equal For circular cross-section, the diffusion angle of the circular cross-section is 38 °；The shape of the outlet pipe 7 is cone, 7 circular cone of outlet pipe The angle of flare of tee section is 18 °.
Embodiment 3-2: the radius of the upper surface of taper round tube 6 of the energization runner 4 circle is the radius of 224mm, lower disc It 896mm, is highly 1440mm；The quantity of the rotary table spiral vane 5 is 3 pieces, and the cross sectional shape of rotary table spiral vane 5 selects Select symmetrical airfoil；The maximum width of rotary table spiral vane 5 is 538mm, maximum gauge 1792mm, with a thickness of 32mm；Rotary table The screw pitch gradual change ratio of the helical of spiral vane 5 is 7:4；The water inlet end of the taper round tube 6 of the energization runner 4 and water outlet are equal For circular cross-section, the diffusion angle of the circular cross-section is 38 °；The shape of the outlet pipe 7 is cone, 7 circular cone of outlet pipe The angle of flare of tee section is 18 °.
Embodiment 3-3: the radius of the upper surface of taper round tube 6 of the energization runner 4 circle is the radius of 322m, lower disc It 1232mm, is highly 1980mm；The quantity of the rotary table spiral vane 5 is 4 pieces, the cross sectional shape of rotary table spiral vane 5 Select symmetrical airfoil；The maximum width of rotary table spiral vane 5 is 740mm, maximum gauge 2464mm, with a thickness of 44mm；Circle The screw pitch gradual change ratio of the helical of platform spiral vane 5 is 7:4；The water inlet end of the taper round tube 6 of the energization runner 4 and water outlet It is circular cross-section, the diffusion angle of the circular cross-section is 38 °；The shape of the outlet pipe 7 is cone, the circle of outlet pipe 7 The angle of flare of tapered cross-section is 18 °.
Process in concrete application of the invention are as follows: the tail water from central air-conditioning circulation is flowed through the spiral case 1 Through the water distributor 2 and impact the blade of the basic runner 3；Next, the circle of energization runner 4 described in water impact Platform spiral vane 5；The main shaft 9 next, the energization runner 4 links, so that the fan 11 rotates, the fan 11 It rotates and cools down tail water water temperature, tail water after cooling is again introduced into the use of central air-conditioning circulation.The process in cycles, It moves in circles, to realize to the efficient utilization of water flow energy, improves the cooling effect of cooling tower.
The explanation being not directed in a specific embodiment of the invention belongs to technology well known in the art, can refer to well-known technique It is implemented.
The present invention achieves satisfied trial effect through validation trial.
The above specific embodiment and embodiment are to a kind of cooling tower with rotary table spiral vane proposed by the present invention With the specific support of double-rotary-wheel water turbine technical idea, this does not limit the scope of protection of the present invention, all according to the present invention The technical idea of proposition, any equivalent variations or equivalent change done on the basis of the technical program, still falls within this hair The range of bright technical solution protection.

Claims (5)

1. a kind of double-rotary-wheel water turbine used for cooling tower with rotary table spiral vane, comprising: spiral case (1), water distributor (2), base Plinth runner (3), outlet pipe (7), support plate (8), main shaft (9), bearing assembly (10), fan (11), which is characterized in that further include Energization runner (4), the energization runner (4) are located at below the water outlet of basic runner (3), energization runner (4) by flange with Basic runner (3) connection；Energization runner (4) includes rotary table spiral vane (5) and taper round tube (6), in which: the rotary table spiral shell Rotation shape blade (5) is gradually to be stretched along the axial direction of main shaft (9) in space crossed distorted shape according to rotary table helix and uniformly divided Cloth is arranged in the inner circumferential wall of taper round tube (6), and the intermediate cross-section molded line characteristic point of the rotary table spiral vane (5) is straight Location parameter under angular coordinate system is as shown in table 1-4, in which: respectively indicates four molded line, x with M1, M2, M3, M41、x2、x3、x4 The abscissa of respectively four molded line, y1、y2、y3、y4The ordinate of respectively four molded line；
Table 1: unit: mm
Serial number M1Z-X1 M1Z-Y1 Serial number M1F-X1 M1F-Y1 101 19.62 224 111 0 224 102 60.78 130.71 112 41.48 126.32 103 104.38 -60.86 113 85.45 -67.39 104 150.91 -180.28 114 132.37 -181.58 105 201.13 -104.68 115 182.93 -96.53 106 255.71 81.12 116 238.1 89.96 107 316.43 126.98 117 299.36 121.73 108 385.64 -35.66 118 369.29 -47.49 109 468.26 -74.66 119 452.47 -65.74 110 575.65 56 120 560 56
Two curvilinear equations after fitting are respectively as follows:
The front curvilinear equation of M1:
Y=-7 × 10-12x6+1×10-8x5-8×10-6x4+0.0025x3-0.3299x2+14.079x+53.551；
The reverse side curvilinear equation of M1:
Y=-7 × 10-12x6+1×10-8x5-7×10-6x4+0.0019x3-0.1999x2+3.5895x+220.63；
Table 2: unit: mm
Two curvilinear equations after fitting are respectively as follows:
The front curvilinear equation of M2:
Y=-1 × 10-11x6+2×10-8x5-1×10-5x4+0.0038x3-0.4969x2+21.052x+80.846；The reverse side of M2 Curvilinear equation:
Y=-1 × 10-11x6+2×10-8x5-1×10-5x4+0.0028x3-0.3013x2+5.4342x+330.52；
Table 3: unit: mm
Serial number M3Z-X3 M3Z-Y3 Serial number M3F-X3 M3F-Y3 301 19.9 448 311 0 448 302 60.42 261.09 312 40.47 260.69 303 103.25 -116.62 313 83.36 -117.52 304 148.99 -359.34 314 129.17 -359.59 305 198.34 -222.41 315 178.59 -220.85 306 252.27 147.88 316 232.62 149.88 307 312.36 262.15 317 292.83 261.08 308 381.34 -58.19 318 361.98 -61.29 309 464.77 -153.86 319 445.69 -151.39 310 578.43 112.87 320 560 112
Two curvilinear equations after fitting are respectively as follows:
The front curvilinear equation of M3:
Y=-1 × 10-11x6+2×10-8x5-1×10-5x4+0.0038x3-0.4965x2+21.02x+81.617；The reverse side of M3 is bent Line equation:
Y=-1 × 10-11x6+2×10-8x5-1×10-5x4+0.0028x3-0.3013x2+5.4345x+330.51；
Table 4: unit: mm
Two curvilinear equations after fitting are respectively as follows:
The front curvilinear equation of M4:
Y=-2 × 10-11x6+3×10-8x5-2×10-5x4+0.0063x3-0.8317x2+35.471x+127.24；
The reverse side curvilinear equation of M4:
Y=-2 × 10-11x6+3×10-8x5-2×10-5x4+0.0047x3-0.5035x2+9.1019x+550.48。
2. a kind of double-rotary-wheel water turbine used for cooling tower with rotary table spiral vane according to claim 1, feature exist In the quantity of the rotary table spiral vane (5) in the inner circumferential wall for being uniformly set at taper round tube (6) is 2-4 pieces.
3. a kind of double-rotary-wheel water turbine used for cooling tower with rotary table spiral vane according to claim 2, feature exist In the energization runner water inlet and basic runner water outlet are equal sized；Blade, the energization runner of the basis runner (3) (4) rotary table spiral vane (5) is successively rotated by water impact, while the turning moment being passed to connected Main shaft (9) drives fan (11) rotation.
4. a kind of double-rotary-wheel water turbine used for cooling tower with rotary table spiral vane according to claim 3, feature exist In the water inlet end of the taper round tube (6) of the energization runner (4) and water outlet are circular cross-section, the expansion of the circular cross-section Dissipating angle is 38 °.
5. a kind of double-rotary-wheel water turbine used for cooling tower with rotary table spiral vane according to claim 4, feature exist In the outside of the energization runner (4) is equipped with outlet pipe (7), and the shape of the outlet pipe (7) is cone；The cone The diffusion angle in section is 18 °.
CN201611243545.0A 2016-12-29 2016-12-29 A kind of double-rotary-wheel water turbine used for cooling tower with rotary table spiral vane Expired - Fee Related CN106677960B (en)

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US20110081244A1 (en) * 2009-10-05 2011-04-07 Young Ho Ro Spiral design
CN101915196B (en) * 2010-05-24 2011-11-16 李延频 Double-runner ultra-low specific speed axial flow hydraulic turbine for driving cooling tower fan
DE102010022935A1 (en) * 2010-06-05 2011-12-08 P.E.A.C.E.-Power Water And Wastewater Gmbh Concave flow turbine for conversion of mechanical energy in other energy forms, particularly in electrical energy, has turbine cone with concave wall with spiral-shaped screw blades and stationary housing
CN105736230B (en) * 2016-02-02 2017-12-26 河海大学 A kind of horizontal axis tidal current energy hydraulic turbine with constant speed spiral vane
CN105736228B (en) * 2016-02-02 2017-12-15 河海大学 A kind of horizontal axis tidal current energy hydraulic turbine with logarithmic spiral shape blade
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