CN105386922A - Upper rear drainage-type waterwheel of waterwheel type hydraulic generator - Google Patents
Upper rear drainage-type waterwheel of waterwheel type hydraulic generator Download PDFInfo
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- CN105386922A CN105386922A CN201510916261.2A CN201510916261A CN105386922A CN 105386922 A CN105386922 A CN 105386922A CN 201510916261 A CN201510916261 A CN 201510916261A CN 105386922 A CN105386922 A CN 105386922A
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- waterwheel
- diversion
- flow guiding
- water
- plate
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
Disclosed is an upper rear drainage-type waterwheel of a waterwheel type hydraulic generator. The upper rear drainage-type waterwheel of the waterwheel type hydraulic generator comprises a waterwheel body (1) and a water diversion and flow guiding body. The water diversion and flow guiding body comprises a water diversion and flow guiding trench and an upper water diversion and flow guiding box. The water diversion and flow guiding trench comprises two trench body side baffles (2a), a bottom plate (2b) and an arc flow guiding baffle (2f) which guides water flow to a water bucket of the lower part of the water inlet side of the waterwheel body. The water diversion and flow guiding box comprises two upper side baffles (2c) and a flow baffle (2d) which is connected between the front ends of both the upper side baffles. An L-shaped anti-back-pressure water diversion and flow guiding plate (2e) of which the inner angle faces the waterwheel body is disposed in the water diversion and flow guiding box. The lower half part of the water inlet side of the waterwheel body is disposed in the water diversion and flow guiding trench and the upper half part of the water inlet side of the waterwheel body is disposed in the water diversion and flow guiding box. The water flow enters water buckets of both the upper part and lower part of the water inlet side of the waterwheel body respectively along a transverse plate of the anti-back-pressure water diversion and flow guiding plate and the arc flow guiding baffle of the back of the water diversion and flow guiding trench, and the waterwheel is driven to rotate through join forces. According to the upper rear drainage-type waterwheel of the waterwheel type hydraulic generator, hydraulic energy can be efficiently utilized, and the power generation capacity of the waterwheel type hydraulic generator is substantially improved.
Description
Technical field
The invention belongs to technical field of hydraulic generators.
Background technique
Existing all kinds of Waterwheel-type hydroelectric generator, mainly be divided three classes, the first kind is directly placed in water channel by waterwheel, the flow velocity impact force of current is utilized to generate electricity, this waterwheel power generation mode belongs to the most original waterwheel Land use systems, and the flow velocity impact waterwheel mainly by current rotarily drives electrical power generators.Because with only the impact kinetic energy of current, streaming potential utilization ratio is very low, and power benefit is very low, cannot build the water power plant of larger electric motor power, does not possess industrial scale ability.Equations of The Second Kind is that waterwheel is made water bucket type waterwheel, and current fill with water inlet bucket at the upper side of waterwheel, utilize the water body weight-driven waterwheel in bucket to rotarily drive electrical power generators.But because be the water body gravity only utilized in bucket; and bucket volume is subject to processing the factor restriction such as manufacture, transport installation, manufacture cost, landform restriction; bucket volume is very limited; generated energy and benefit can not the features that alter a great deal throughout the year of adjusted stream flow; effectively can not utilize river discharge; can only be applicable to the river that flow is very little, power benefit, with not forming scale the former, lacks extensively and the applying value of scale.3rd class is placed in by waterwheel in special waterwheel groove, and impact waterwheel from the diversion of position, the waterwheel rear lower side and rotate and then generating, this water turbine can reduce flow waste, and the flow utilization ratio in river is higher, and power benefit is higher.But this waterwheel shape washdown type water turbine can only utilize the head being equal to or less than waterwheel central rotating shaft with limiting to, once head exceeds waterwheel central rotating shaft, what the pressure that the current exceeding waterwheel central rotating shaft part produce will form Watermill blade enters water resistance, produce reverse moment of torsion, the head that therefore finally can effectively utilize is at most the Lower Half of waterwheel height, generating capacity is increased in order to improve utilized head, just waterwheel must be done more, this will increase waterwheel manufacture, transport, the difficulty of installation, maintenance and cost.
Summary of the invention
The object of the invention is to solve the deficiencies in the prior art, provide a kind of can efficiency utilization water energy, significantly improve Waterwheel-type hydraulic turbine generator generating capacity, reduce the manufacture of Waterwheel-type turbine-generator units, transport, to install and the back upper place drainage type waterwheel of Waterwheel-type hydraulic turbine generator of maintenance cost.
Object of the present invention is achieved through the following technical solutions.
A back upper place drainage type waterwheel for Waterwheel-type hydraulic turbine generator, include can centrally axis of rotation waterwheel, current are introduced diversion deflector between Watermill blade; Described diversion deflector comprises diversion guiding gutter and is arranged at the diversion guide tank of diversion guiding gutter rear upper; Diversion guiding gutter includes the two pieces of cell body lateral retaining plates forming cell body, one piece of base plate, one piece of rear portion arc water conservancy diversion plate washer reduced gradually current being caused waterwheel lower impeller; Described diversion guide tank includes two pieces of lateral retaining plates on diversion guiding gutter water inlet lateral retaining plate top, direction, is connected to the flow-stopping plate between these two pieces of lateral retaining plate front ends and is positioned at the 7 font anti-reverse pressure diversion guide plate in the middle part of casing, the dual-side of 7 font anti-reverse pressure diversion guide plate is connected with two pieces of lateral retaining plate facades of casing, and interior angle is towards waterwheel; The Lower Half of waterwheel influent side is arranged in diversion guiding gutter, the first half of waterwheel influent side is arranged in diversion guide tank, riser lower end and the waterwheel outer rim of 7 font anti-reverse pressure diversion guide plate are tangent, between the bottom that current flow into waterwheel influent side above the arc water conservancy diversion plate washer of diversion guiding gutter rear portion and above the transverse slat of 7 fonts anti-reverse pressure diversion guide plate respectively and upper blade, waterwheel obtains pressure, impulse force and gravity and realizes high energy rotation.
The present invention is provided with the outlet pipe of setting on the top transverse slat of 7 font anti-reverse pressure diversion guide plate, inside the upper side baffle plate on the cell body lateral retaining plate on diversion guiding gutter both sides and diversion guide tank both sides, is provided with arc and subtracts leakage Stamping Steel Ribbon outside waterwheel wheel rim.
Basic functional principle of the present invention is: when current enter diversion body water conservancy diversion from waterwheel back upper place, main current flow between waterwheel influent side bottom and diversion guiding gutter rear portion arc deflector, utilizes the pressure of current and impulse force to drive waterwheel to rotate; Meanwhile, the bucket that the blade that part current fall into waterwheel influent side top after flowing through above the flat board of 7 font anti-reverse pressure diversion guide plate is formed, the air got rid of in bucket also utilizes the water body gravity in bucket to form forward moment of torsion.Be extruded in the interior angle space on 7 font anti-reverse pressure diversion guide plate by the air that water body squeezes out from bucket, more naturally get rid of from outlet pipe, can not current be disturbed; The vertical plane of 7 font anti-reverse pressure diversion guide plate then can prevent water flow pressure and impulse force from producing reverse torsion to waterwheel, guarantees that the forward spinning force of waterwheel is not cut down; The flow-stopping plate being arranged at diversion guide tank front end can prevent the current above 7 font anti-reverse pressure diversion guide plate from directly producing reverse impulse force to waterwheel.Such comprehensive Design, waterwheel just can obtain the driving of making a concerted effort of water flow pressure, impulse force and gravity simultaneously, and can overcome all kinds of reverse resistance and interference in air flow, realizes high energy rotation, efficiency power generation object.
The diversion deflector structure that the present invention adopts diversion guiding gutter to combine with diversion guide tank innovatively, current are introduced from the bottom at waterwheel rear and top respectively, make full use of water energy, form top current and bottom current drive waterwheel quick rotation with joint efforts, significantly improve its generating capacity.Adopt the diversion guiding gutter substantially waterwheel lower seal got up, substantially can eliminate the ineffectivity flowing of current, improve potential energy and the kinetic energy efficiency of current to greatest extent; And adopt diversion guide tank, then the waterwheel of equivalent diameter can be made to utilize higher head, reduce waterwheel diameter, reduce waterwheel weight, reduce the cost of waterwheel production and processing, transport, installation and repair and maintenance.Current can be imported waterwheel influent side top by top flat board smoothly that be arranged at the 7 font anti-reverse pressure diversion guide plate in diversion guiding gutter, current are entered in bucket in advance, the water body gravity in bucket is utilized to increase the forward moment of torsion of waterwheel, improve water power calculation efficiency, the partial air in bucket can also be got rid of in advance, get rid of gas to the interference of current, increase waterwheel overcurrent efficiency, improve generating efficiency; The riser of 7 font anti-reverse pressure diversion guide plate can stop that current directly rush at waterwheel and form reverse impulse force completely, and prevents hydraulic pressure from forming reactive torque completely; Bucket can be discharged by water body by the air that water body squeezes out by outlet pipe smoothly that be positioned at plane on 7 font dash guide plates, can not disturb water movement.The circular arc be positioned on diversion guide tank lateral retaining plate subtracts leaks Stamping Steel Ribbon and the circular arc of diversion guiding gutter and subtracts and leaks Stamping Steel Ribbon and connect up and down, and the common current that reduce run from waterwheel side slit and leak, further raising water power calculation efficiency.
Meaning great especially of the present invention is, only need to build and lowlyer even only have once, the dam energy efficiency power generation of two meters high, the safe prestige hidden danger that the traditional construction of hydropower stations of solution restriction is subject to is serious, ecological failure is serious, submerge loss is serious, immigration relocation is complicated, investment cost crosses high series of problems, can not build or be unworthy that the place building power station can adopt a large amount of power station of this technology building adopting conventional art, realize Waterpower Resources Development rate and be doubled and the object of safety and environmental protection exploitation hydraulic power potentials.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention;
Fig. 2 is the schematic diagram along Fig. 1 outlet pipe position axial cross section;
The structural representation of left half of flow-stopping plate 2d is taken away after Tu3Shi deflector partly cut-away;
Fig. 4 is working state schematic representation of the present invention.
Embodiment
The back upper place drainage type waterwheel of hydraulic turbine generator as shown in Figure 1 and Figure 2, includes and relies on impulsive force, gravity and pressure-driven can the centrally waterwheel 1, the diversion deflector introduced by current in waterwheel bucket that rotate of rotating shaft 1a.Described diversion deflector as shown in Figure 3, comprises diversion guiding gutter and is arranged at the diversion guide tank above diversion guiding gutter diversion side.Diversion guiding gutter include the two pieces of cell body lateral retaining plate 2a forming cell body, one piece of base plate 2b, one piece current are caused reducing gradually and the rear portion arc water conservancy diversion plate washer 2f narrowed gradually of waterwheel bottom bucket.Described diversion guide tank includes two pieces of upper side baffle plate 2c on cell body water inlet lateral retaining plate top, direction and the flow-stopping plate 2d that is connected between two pieces of upper side baffle plate front ends, be provided with in diversion guide tank dual-side be connected with upper side baffle plate and interior angle towards the 7 font anti-reverse pressure diversion guide plate 2e of waterwheel.The Lower Half of waterwheel influent side is arranged in diversion guiding gutter, and the two ends of waterwheel central rotating shaft are installed on the cushion cap 2i of diversion guiding gutter two pieces of cell body lateral retaining plate 2a by bearing support 4.The first half of waterwheel influent side is arranged in diversion guide tank, riser lower end and the waterwheel outer rim of 7 font anti-reverse pressure diversion guide plate are tangent, current enter waterwheel top bucket and waterwheel bottom bucket along the transverse slat of 7 font anti-reverse pressure diversion guide plate and rear portion arc water conservancy diversion plate washer respectively, make a concerted effort to drive waterwheel to rotate.The top transverse slat of 7 font anti-reverse pressure diversion guide plate 2e is provided with outside outlet pipe 2g.Inside the upper side baffle plate 2c on the cell body lateral retaining plate 2a on diversion guiding gutter both sides and diversion guide tank both sides, outside waterwheel wheel rim, be provided with arc subtract leakage Stamping Steel Ribbon 2h.The diversion guiding gutter and the diversion guide tank that form deflector of the present invention can be divided into two independent overall processing to make, and during installation unit, recombinant forms an entirety; When waterwheel volume is larger, water guiding gutter and diversion guide tank also can be made as after some plates integral installation combination again, transport of being more convenient for.
Influent side of the present invention is arranged near water gate 3 outlet port.When opening gate, main water flow pours the bottom bucket of waterwheel influent side along the arc deflector of diversion guiding gutter, part current, along the top bucket falling into waterwheel influent side after 7 font anti-reverse pressure diversion guide plate 2e top flat plate current, make a concerted effort to drive waterwheel to rotate.The straight plate of 7 font anti-reverse pressure diversion guide plate block current not frontal impact waterwheel form reverse moment of torsion.The effect of flow-stopping plate 2d is also prevent from directly impacting waterwheel by the current of 7 font anti-reverse pressure dash guide plate top board to produce reverse moment of torsion.
The present invention can adopt metal to make, to guarantee its intensity and service life; Also the nonmetallic material of high strength can be adopted to make and metallic material combination making, weight reduction and prevent corrosion.The present invention can efficiency utilization water energy, significantly improves the generating capacity of Waterwheel-type water turbine, significantly improves the Waterpower Resources Development rate of rivers.
Claims (3)
1. the back upper place drainage type waterwheel of a Waterwheel-type hydraulic turbine generator, including can centrally rotating shaft (1a) waterwheel (1), the diversion deflector introduced by current in waterwheel bucket that rotate, it is characterized in that, described diversion deflector comprises diversion guiding gutter and is arranged at the diversion guide tank above diversion guiding gutter influent side; Diversion guiding gutter includes the two pieces of cell body lateral retaining plates (2a) forming cell body, one piece of base plate (2b), one piece of arc water conservancy diversion plate washer (2f) reduced gradually current being caused waterwheel influent side bottom bucket; Described diversion guide tank includes two pieces of upper side baffle plates (2c) being positioned at baffle plate influent side top, diversion guiding gutter side and the flow-stopping plate (2d) be connected between two pieces of upper side baffle plate front ends, be provided with in diversion guide tank dual-side be connected with upper side baffle plate and interior angle towards 7 font anti-reverse pressure diversion guide plate (2e) of waterwheel; The Lower Half of waterwheel influent side is arranged in diversion guiding gutter, the first half of waterwheel influent side is arranged in diversion guide tank, riser lower end and the waterwheel outer rim of 7 font anti-reverse pressure diversion guide plate are tangent, current enter waterwheel influent side top bucket and waterwheel bottom bucket along the transverse slat of 7 font anti-reverse pressure diversion guide plate and diversion guiding gutter rear portion arc water conservancy diversion plate washer respectively, make a concerted effort to drive waterwheel to rotate.
2. the back upper place drainage type waterwheel of a kind of Waterwheel-type hydraulic turbine generator according to claim 1, is characterized in that, the top transverse slat of 7 font anti-reverse pressure diversion guide plate (2e) is provided with outside outlet pipe (2g).
3. the back upper place drainage type waterwheel of a kind of Waterwheel-type hydraulic turbine generator according to claim 1 and 2, it is characterized in that, upper side baffle plate (2c) inner side on the cell body lateral retaining plate (2a) on diversion guiding gutter both sides and diversion guide tank both sides, is provided with arc and subtracts leakage Stamping Steel Ribbon (2h) outside waterwheel wheel rim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510916261.2A CN105386922A (en) | 2015-12-11 | 2015-12-11 | Upper rear drainage-type waterwheel of waterwheel type hydraulic generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510916261.2A CN105386922A (en) | 2015-12-11 | 2015-12-11 | Upper rear drainage-type waterwheel of waterwheel type hydraulic generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105386922A true CN105386922A (en) | 2016-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510916261.2A Pending CN105386922A (en) | 2015-12-11 | 2015-12-11 | Upper rear drainage-type waterwheel of waterwheel type hydraulic generator |
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| CN (1) | CN105386922A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105971799A (en) * | 2016-05-27 | 2016-09-28 | 罗富强 | Water turbine with runner blades in sawtooth shape |
| CN113187643A (en) * | 2021-04-28 | 2021-07-30 | 广州市科峰科技投资有限公司 | Hydroelectric power generation system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201162619Y (en) * | 2008-03-12 | 2008-12-10 | 刘治 | Combined hydraulic turbine group |
| KR20100135579A (en) * | 2009-06-17 | 2010-12-27 | 허일순 | Hydraulic turbine power generator |
| JP4787286B2 (en) * | 2008-03-25 | 2011-10-05 | 通博 大江 | Hydroelectric generator |
| CN103939257A (en) * | 2014-04-30 | 2014-07-23 | 苏新 | Water-turbine generating set with ultrahigh efficiency |
| CN203809194U (en) * | 2013-06-24 | 2014-09-03 | 郭强 | Water turbine using water gravitational energy |
| CN104747354A (en) * | 2015-02-02 | 2015-07-01 | 罗富强 | Water wheel-shaped washdown type hydraulic turbine generator set |
| CN205225560U (en) * | 2015-12-11 | 2016-05-11 | 罗富强 | Waterwheel formula hydraulic generator's back upper place drainage formula waterwheel |
-
2015
- 2015-12-11 CN CN201510916261.2A patent/CN105386922A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201162619Y (en) * | 2008-03-12 | 2008-12-10 | 刘治 | Combined hydraulic turbine group |
| JP4787286B2 (en) * | 2008-03-25 | 2011-10-05 | 通博 大江 | Hydroelectric generator |
| KR20100135579A (en) * | 2009-06-17 | 2010-12-27 | 허일순 | Hydraulic turbine power generator |
| CN203809194U (en) * | 2013-06-24 | 2014-09-03 | 郭强 | Water turbine using water gravitational energy |
| CN103939257A (en) * | 2014-04-30 | 2014-07-23 | 苏新 | Water-turbine generating set with ultrahigh efficiency |
| CN104747354A (en) * | 2015-02-02 | 2015-07-01 | 罗富强 | Water wheel-shaped washdown type hydraulic turbine generator set |
| CN205225560U (en) * | 2015-12-11 | 2016-05-11 | 罗富强 | Waterwheel formula hydraulic generator's back upper place drainage formula waterwheel |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105971799A (en) * | 2016-05-27 | 2016-09-28 | 罗富强 | Water turbine with runner blades in sawtooth shape |
| CN113187643A (en) * | 2021-04-28 | 2021-07-30 | 广州市科峰科技投资有限公司 | Hydroelectric power generation system |
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Application publication date: 20160309 |