CN104120675B - A kind of anti-freezing device adopting gas blowout head - Google Patents
A kind of anti-freezing device adopting gas blowout head Download PDFInfo
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- CN104120675B CN104120675B CN201410313029.5A CN201410313029A CN104120675B CN 104120675 B CN104120675 B CN 104120675B CN 201410313029 A CN201410313029 A CN 201410313029A CN 104120675 B CN104120675 B CN 104120675B
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Abstract
Adopt an anti-freezing device for gas blowout head, comprise multiple first shower nozzle and the second shower nozzle.First shower nozzle and the second shower nozzle are all installed on main, and the first shower nozzle mouth is relative or opposing with the second shower nozzle mouth.Blower fan is connected with main by air supply pipe.Main there is floating drum.Blower fan is combined electric supply installation by clean energy resource and civil power and is powered.When the axis of main is for being horizontally disposed with, the horizontal plane of multiple first shower nozzle and the second shower nozzle entrance is positioned at the axis place of the horizontal plane at the axis place of main and main above water.Below the horizontal plane that the axis of the first shower nozzle is positioned at the first shower nozzle entrance, 45° angle is to the region of top 45° angle, and the second shower nozzle side is identical.Can form not icing area at the upstream side of the hydraulic structures such as northern area gate, plant maintenance is convenient.
Description
Technical field
The invention belongs to hydraulic engineering anti-freezing device in winter field, particularly a kind of anti-freezing device adopting gas blowout head, be applicable to hydraulic engineering water conservancy project building and meet water side Anti-freezing in winter.
Background technology
To meet water side at northern water conservancy project building, annual winter all can bear frost action, and the multigelation circulation destruction such as obstructing surface building generation concrete frost and melt damage, protecting building block lycopod will be caused dynamic, reduces the durability of building.For gate position, because the expand static ice pressure that causes of ice sheet can make gate produce distortion, lift, even produce structural deterioration, cause the consequences such as gate cannot normally open and close, water slop failure.Current conventional Anti-freezing measure, as air-compressing, submersible pump method, heat pipe freeze proofing and artificial fluting icebreaking method etc., ubiquity that energy consumption is large, operation is dangerous and the problems such as runtime maintenance difficult.
For solving the problem, the present invention, on current vertical basis of spraying the air-compressing of air, proposes and is a kind ofly caused water surface disturbance by common blower fan jet-stream wind, met the anti-freezing device of the clean energy resource of equipment safety reliability service by operation area solar energy and wind power generation.
Summary of the invention
The object of this invention is to provide a kind of anti-freezing device adopting gas blowout head, air-flow is guided to the water surface from blower fan by air supply pipe and main and is transported to shower nozzle, by the water surface of jet-stream wind disturbance under water, reach the effect of Anti-freezing.
The technical scheme adopted is:
Adopt an anti-freezing device for gas blowout head, comprise multiple first shower nozzle, multiple second shower nozzle, main and blower fan.
Its technical essential is:
Each first shower nozzle is connected with main by the first corresponding tube connector, and each second shower nozzle is connected with main by the second corresponding tube connector, and the first shower nozzle mouth and the second shower nozzle mouth are oppositely arranged.
Blower fan is connected with main by air supply pipe.Main is fixed with multiple floating drum.
Blower fan connects the output of clean energy resource and civil power associating electric supply installation by power cable.The quantity of multiple first shower nozzle and multiple second shower nozzle is equal, and the first shower nozzle is identical with the second nozzle structure.
When the axis of main is for being horizontally disposed with, the horizontal plane of multiple first shower nozzle entrance is positioned at the region above water at the axis place of main.The horizontal plane of multiple second shower nozzle entrance is positioned at the region above water at the axis place of main.Below the horizontal plane that the axis of the first shower nozzle is positioned at the first shower nozzle entrance, 45° angle is to the region of top 45° angle, and below the horizontal plane that the axis of the second shower nozzle is positioned at the second shower nozzle entrance, 45° angle is to the region of top 45° angle.
In the technical program, angle formed by the axis of the first shower nozzle and the horizontal plane of the first shower nozzle entrance, is positioned at the 45° angle above water of the first shower nozzle entrance, is defined as positive angle, is defined as negative angle (-45° angle) below.
In the technical program, angle formed by the axis of the second shower nozzle and the horizontal plane of the second shower nozzle entrance, is positioned at the 45° angle above water of the second shower nozzle entrance, is defined as positive angle, is positioned to be defined as negative angle (-45° angle) below.
Below the horizontal plane that the axis of the first shower nozzle is positioned at the first shower nozzle entrance, 45° angle is to the region of top 45° angle, and namely-45° angle is to 45° angle.Below the horizontal plane that the axis of the second shower nozzle is positioned at the second shower nozzle entrance, 45° angle is to the region of top 45° angle, and namely-45° angle is to 45° angle.
Multiple floating drum is fixed on main, ensures that the top edge of shower nozzle mouth is positioned at below the water surface all the time, apart from water surface 1cm-50cm(line segment mn as shown in Figure 2).
The main of this device and nozzle layout of sprinkler to meet water side at water conservancy project building such as sluice, and are lifted by floating drum, are placed on the following certain depth place of the water surface.The electric energy produced by wind-power electricity generation and photovoltaic panel for fan, passes through air supply pipe, main air-flow by power cable, and jet under water, makes the water surface produce disturbance and reaches the icing effect in anti-locking apparatus ambient water face and object.
Clean energy resource and civil power associating electric supply installation are known technology.
Its advantage is:
Not icing area can be formed at the upstream side of the water conservancy project building such as northern area gate, avoiding the winter water surface freezes to the direct destruction of the water conservancy project building such as gate, thus reach the object of Anti-freezing, open ice successful, plant maintenance is convenient, and effectively utilizes clean energy resource can meet device normally to run.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of the embodiment of the present invention 2.
Fig. 3 is the structural representation of the embodiment of the present invention 3.
Fig. 4 is the structural representation of the embodiment of the present invention 4 and embodiment 5.
Fig. 5 is the lateral view of embodiment 4 bold portion.
Detailed description of the invention
embodiment 1
Adopt an anti-freezing device for gas blowout head, comprise 50 the first shower nozzles 1,50 the second shower nozzles 17, main 2 and blower fans 3.First shower nozzle 1 is identical with the structure of the second shower nozzle 17.
The axis of 50 the first shower nozzles 1 and 50 the second shower nozzles 17 is all parallel to each other with the axis of main 2.Each first shower nozzle 1 is connected with main 2 by the first corresponding tube connector 15, and each second shower nozzle 17 is connected with main 2 by the second corresponding tube connector.The first described shower nozzle 1 and the second shower nozzle 17 are known technology, therefore not repeated description.
50 the first shower nozzles 1 are positioned at the side of main 2, and 50 the first shower nozzle mouths are all towards the middle part of main 2.
50 the second shower nozzles 17 are positioned at the opposite side of main 2, and 50 the second shower nozzle mouths are all towards the middle part of main 2.
The jet direction of the first shower nozzle 1 is relative with the jet direction of the second shower nozzle 17, and the setback force formed each other is offset, and main 2 can keep balance at the water surface.
Blower fan 3 is connected with main 2 by air supply pipe 4.Main 2 is fixed with multiple floating drum 5.
Blower fan 3 connects the output of clean energy resource and civil power associating electric supply installation by power cable 12, and clean energy resource and civil power associating electric supply installation are wind-powered electricity generation, solar energy and civil power associating electric supply installation, and this is known technology.
Clean energy resource and civil power associating electric supply installation comprise photovoltaic panel 7, wind-driven generator 8, charge controller 10 and time controller 13.
The output of photovoltaic panel 7 is connected by the first cable 9 with the first input end of charge controller 10, and the output of wind-driven generator 8 is connected by the second cable 16 with the second input of charge controller 10.
The output of charge controller 10 connects the input of battery 11.The output of battery 11 is connected with the input of time controller 13.The voltage signal output end of battery 11 connects the voltage signal inputs of charge controller 10.The output of time controller 13 is the output of clean energy resource and civil power associating electric supply installation.
3rd input of charge controller 10 connects civil power 14(220V and exchanges).
Main 2 is fixed with multiple fixing cable 6, fixing cable 6 is for fastening the fixed point at hydraulic structure.
Described charge controller 10 model is LK-50, and time controller 13 model is MQ-7, and battery 11 model is LMWH-1000.
The axis of main 2 is for being horizontally disposed with.
The axis of 50 described the first shower nozzles 1 and the axis of 50 the second shower nozzles 17 are all positioned on a horizontal linear, and described horizontal linear is positioned at above the axis of main 2, and is positioned at a vertical plane with the axis of main 2.
Air supply pipe 4 is connected with one end of main 2.The other end of main 2 is closed, make to bring about the desired sensation from air supply pipe 4 after main 2 from 100 shower nozzles along the direction paralleled with the water surface, i.e. horizontal direction ejection.
Multiple floating drum 5 is fixed on main 2, ensures that 50 the first shower nozzles 1 and 50 the second shower nozzles 17 are positioned at below the water surface all the time, and 50 the first shower nozzle mouth top edges and 50 the second shower nozzle mouth top edges are all apart from water surface 1cm.Clean energy resource and civil power associating electric supply installation are arranged on above the water surface, and blower fan 3 is also arranged on above the water surface.
The present embodiment for open ice area for 100m length × 0.5m wide, blower fan 3 power is only 1.0kW, and energy-saving effect is remarkable.
Its operating principle is:
Photovoltaic panel 7, wind-driven generator 8 and civil power 14 are powered by charge controller 10 accumulators 11.The effect of charge controller 10 is the orders controlling the power supply of photovoltaic panel 7, wind-driven generator 8 and civil power 14 accumulators 11, only has when photovoltaic panel 7 and wind-driven generator 8 are not powered, and battery 11 voltage lower than 11.5V time, just unlatching civil power 14 is powered.
Battery 11 is powered by time controller 13 fan 3.The effect of time controller 13 arranges alternation time blower fan 3 being opened and stops, such as, arrange stopping 10 minutes, work 5 minutes, so hocket, reach energy-conservation object.
When blower fan 3 works, air-flow enters main 2 by air supply pipe 4, and through 100 shower nozzle injections, makes the water surface produce disturbance region like this thus reach the object preventing the water surface from freezing.
The axis of main 2, the axis of 50 the first shower nozzles 1 and the axis of 50 the second shower nozzles 17 all parallel with the axis of dam.
embodiment 2
Embodiment 2 is substantially the same manner as Example 1, and its difference is:
The axis of 50 the first shower nozzles 1 and the axis of main 2 acutangulate and are 45 °.
The axis of 50 the first shower nozzles 1 and the water surface acutangulate and are 45 °.
The axis of 50 the first shower nozzles 1 acutangulates with the horizontal plane of each self-corresponding first shower nozzle entrance simultaneously and is 45 °, above the horizontal plane being positioned at the first shower nozzle entrance.
The axis of 50 the second shower nozzles 17 and the axis of main 2 acutangulate and are 45 °.
The axis of 50 the second shower nozzles 17 and the water surface acutangulate and are 45 °.
The axis of 50 the second shower nozzles 17 acutangulates equal 45 ° with the horizontal plane of each self-corresponding second shower nozzle entrance simultaneously, above the horizontal plane being positioned at the second shower nozzle entrance.
The axis of 50 the first shower nozzles 1,50 axis of the second shower nozzle 17 and the axis of main 2 are all positioned at a vertical plane.
50 the first shower nozzles 1 and 50 the second shower nozzles 17 are arranged in the middle part of main 2 with shower nozzle mouth, as shown in Figure 2.
50 the first shower nozzles 1 and 50 the second shower nozzles 17 are positioned at below the water surface all the time, and 50 the first shower nozzle mouth top edges and 50 the second shower nozzle mouth top edges are all apart from water surface 50cm.
The present embodiment for open ice area for 100m length × 0.8m wide, blower fan 3 power is only 1.6kW, and energy-saving effect is remarkable.
embodiment 3
Embodiment 3 is substantially the same manner as Example 2, and its difference is: the axis of the first shower nozzle 1 is symmetrical arranged with the horizontal plane of the first shower nozzle entrance described in embodiment 2.
The axis of the first shower nozzle 1 and the horizontal plane angle A of the first described shower nozzle entrance are-45 °, below the horizontal plane being positioned at the first shower nozzle entrance.
The axis of the second shower nozzle 17 is symmetrical arranged with the horizontal plane of the second shower nozzle entrance described in embodiment 2.
The axis of the second shower nozzle 17 and the horizontal plane angle C of the second described shower nozzle entrance are-45 °, below the horizontal plane being positioned at the second shower nozzle entrance.As shown in Figure 3.
The axis of 50 the first shower nozzles 1,50 axis of the second shower nozzle 17 and the axis of main 2 are all positioned at a vertical plane.
50 the first shower nozzle mouth top edges and 50 the second shower nozzle mouth top edges are all apart from water surface 10cm.
The present embodiment for open ice area for 100m length × 1m wide, blower fan 3 power is only 2.0kW, and energy-saving effect is remarkable.
embodiment 4
Embodiment 4 is substantially the same manner as Example 2, and its difference is:
Formed by the axis of 50 the first shower nozzles 1 and the axis of main 2, the angle of different surface beeline is 45 °.
The axis of 50 the first shower nozzles 1 and the water surface acutangulate and are 45 °.
The axis of 50 the first shower nozzles 1 acutangulates equal 45 ° with the horizontal plane of each self-corresponding first shower nozzle entrance simultaneously, above the horizontal plane being positioned at the first shower nozzle entrance.
Formed by the axis of 50 the second shower nozzles 17 and the axis of main 2, the angle of different surface beeline is 45 °.
The axis of 50 the second shower nozzles 17 and the water surface acutangulate and are 45 °.
The axis of 50 the second shower nozzles 17 acutangulates equal 45 ° with the horizontal plane of each self-corresponding second shower nozzle entrance simultaneously, above the horizontal plane being positioned at the second shower nozzle entrance.
The axis of 50 the first shower nozzles 1 and the axis of 50 the second shower nozzles 17 are all positioned at a vertical plane.
50 the first shower nozzles 1 and 50 the second shower nozzle 17 intervals are arranged.As shown in solid line in Fig. 4.
The horizontal plane of 50 the first shower nozzle entrance, the horizontal plane of 50 the second shower nozzle entrance and the horizontal plane at main 2 axis place are same level.
embodiment 5
Embodiment 5 is substantially the same manner as Example 4, and its difference is:
The axis of the first shower nozzle 1 is symmetrical arranged with the horizontal plane of the first shower nozzle entrance described in embodiment 4.
Formed by the axis of the first shower nozzle 1 and the horizontal plane at main 2 axis place, angle D is-45 °, below the horizontal plane being positioned at the first shower nozzle entrance.
The axis of the second shower nozzle 17 is symmetrical arranged with the horizontal plane of the second shower nozzle entrance described in embodiment 4.
Formed by the axis of the second shower nozzle 17 and the horizontal plane at main 2 axis place, included angle B is-45 °, below the horizontal plane being positioned at the second shower nozzle entrance.As shown in phantom in Figure 4.
In sum:
The main 2 of this device, air supply pipe and multiple shower nozzle are arranged in the water conservancy project building such as sluice and meet water side, and are lifted by multiple floating drum 5, are placed on the following certain depth place of the water surface.The electric energy produced by wind-driven generator 8 and photovoltaic panel 7 supplies the blower fan 3 be positioned on the water surface by power cable 12, by driving blower fan 3 by pneumatic convey in jet main, and the angle direction of-45 ° to 45 ° is become to spray by multiple shower nozzle along level or with the horizontal plane of each self-corresponding shower nozzle entrance.
Current conventional air compressor icebreaking device, its area that opens ice is that 100m length × (0.5m-1m) is wide, and power demand is 20kW, and blower fan 3 power in the identical area that opens ice this device required is only 1.0kW-2.0kW, and energy-saving effect is remarkable.
Claims (9)
1. adopt an anti-freezing device for gas blowout head, comprise multiple first shower nozzle (1), multiple second shower nozzle (17), main (2) and blower fan (3); It is characterized in that:
Each first shower nozzle (1) is connected with main (2) by corresponding the first tube connector (15), each second shower nozzle (17) is connected with main (2) by the second corresponding tube connector, first shower nozzle mouth and the second shower nozzle mouth are oppositely arranged, or the first shower nozzle mouth and the opposing setting of the second shower nozzle mouth;
Blower fan (3) is connected with main (2) by air supply pipe (4); Main (2) is fixed with multiple floating drum (5);
Blower fan (3) connects the output of clean energy resource and civil power associating electric supply installation by power cable (12);
The quantity of multiple first shower nozzle (1) and multiple second shower nozzle (17) is equal, and the first shower nozzle (1) is identical with the second shower nozzle (17) structure;
The axis of main (2) is for being horizontally disposed with, and the horizontal plane of multiple first shower nozzle (1) entrance is positioned at the region above water at the axis place of main (2); The horizontal plane of multiple second shower nozzle (17) entrance is positioned at the region above water at the axis place of main (2); Below the horizontal plane that the axis of the first shower nozzle (1) is positioned at the first shower nozzle entrance, 45° angle is to the region of top 45° angle, and the axis of the second shower nozzle (17) to be positioned under the horizontal plane of the second shower nozzle entrance 45° angle to the region of top 45° angle.
2. a kind of anti-freezing device adopting gas blowout head according to claim 1, is characterized in that:
Described clean energy resource and civil power associating electric supply installation are wind-powered electricity generation, solar energy and civil power associating electric supply installation.
3. a kind of anti-freezing device adopting gas blowout head according to claim 1, is characterized in that:
Air supply pipe (4) is connected with one end of main (2), and the other end of main (2) is closed.
4. a kind of anti-freezing device adopting gas blowout head according to claim 1, is characterized in that: described main (2) is fixed with multiple fixing cable (6).
5. a kind of anti-freezing device adopting gas blowout head according to claim 1, is characterized in that:
Multiple first shower nozzle (1) is positioned at main (2) side, and the first shower nozzle mouth is all towards the middle part of main (2);
Multiple second shower nozzle (17) is positioned at main (2) opposite side, and the second shower nozzle mouth is all towards the middle part of main (2);
Axis and multiple second shower nozzle (17) axis of multiple first shower nozzle (1) are all positioned on a horizontal linear, and above the axis being positioned at main (2).
6. a kind of anti-freezing device adopting gas blowout head according to claim 1, is characterized in that:
45° angle place above the horizontal plane that the axis of the first shower nozzle (1) is positioned at the first shower nozzle entrance, 45° angle place above the horizontal plane that the axis of the second shower nozzle (17) is positioned at the second shower nozzle entrance;
Multiple first shower nozzle (1) is positioned at main (2) side, and the first shower nozzle mouth is all towards the middle part of main (2);
Multiple second shower nozzle (17) is positioned at main (2) opposite side, and the second shower nozzle mouth is all towards the middle part of main (2); The axis of the axis of the first shower nozzle (1), the axis of the second shower nozzle (17) and main (2) is all positioned at a vertical plane.
7. a kind of anti-freezing device adopting gas blowout head according to claim 1, it is characterized in that: 45° angle place below the horizontal plane that the axis of the first shower nozzle (1) is positioned at the first shower nozzle entrance, 45° angle place below the horizontal plane that the axis of the second shower nozzle (17) is positioned at the second shower nozzle entrance;
Multiple first shower nozzle (1) is positioned at main (2) side, and the first shower nozzle mouth is all towards the middle part of main (2)
Multiple second shower nozzle (17) is positioned at main (2) opposite side, and the second shower nozzle mouth is all towards the middle part of main (2); The axis of the axis of the first shower nozzle (1), the axis of the second shower nozzle (17) and main (2) is all positioned at a vertical plane.
8. a kind of anti-freezing device adopting gas blowout head according to claim 1, it is characterized in that: 45° angle place above the horizontal plane that the axis of the first shower nozzle (1) is positioned at the first shower nozzle entrance, 45° angle place above the horizontal plane that the axis of the second shower nozzle (17) is positioned at the second shower nozzle entrance; First shower nozzle (1) and the second shower nozzle (17) interval are arranged;
The axis of the first shower nozzle (1) and the axis of the second shower nozzle (17) are all positioned at a vertical plane;
The horizontal plane at the horizontal plane of the first shower nozzle entrance, the horizontal plane of the second shower nozzle entrance and main (2) axis place is same level.
9. a kind of anti-freezing device adopting gas blowout head according to claim 1, it is characterized in that: 45° angle place below the horizontal plane that the axis of the first shower nozzle (1) is positioned at the first shower nozzle entrance, 45° angle place below the horizontal plane that the axis of the second shower nozzle (17) is positioned at the second shower nozzle entrance; First shower nozzle (1) and the second shower nozzle (17) interval are arranged;
The axis of the first shower nozzle (1) and the axis of the second shower nozzle (17) are all positioned at a vertical plane;
The horizontal plane at the horizontal plane of the first shower nozzle entrance, the horizontal plane of the second shower nozzle entrance and main (2) axis place is same level.
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| CN201410313029.5A CN104120675B (en) | 2014-07-03 | 2014-07-03 | A kind of anti-freezing device adopting gas blowout head |
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| CN201410313029.5A CN104120675B (en) | 2014-07-03 | 2014-07-03 | A kind of anti-freezing device adopting gas blowout head |
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| CN104120675B true CN104120675B (en) | 2015-10-28 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104746490A (en) * | 2015-02-02 | 2015-07-01 | 辽宁省水利水电科学研究院 | Anti-icing device suitable for ordinary areas |
| CN104727282A (en) * | 2015-02-02 | 2015-06-24 | 辽宁省水利水电科学研究院 | Anti-icing device suitable for alpine regions |
| CN104913528A (en) * | 2015-05-22 | 2015-09-16 | 辽宁省水利水电科学研究院 | Anti-icing device with solar thermal collector applicable to general regions |
| CN104879935A (en) * | 2015-05-22 | 2015-09-02 | 辽宁省水利水电科学研究院 | Icing-preventing device provided with solar thermal collector and suitable for alpine region |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3320160A (en) * | 1965-08-24 | 1967-05-16 | Welles Products Inc | Method and apparatus for aerating a body of liquid |
| US3782704A (en) * | 1973-01-15 | 1974-01-01 | Schramm Inc | Apparatus and method for producing air bubbles in a body of liquid |
| US4279537A (en) * | 1980-05-21 | 1981-07-21 | Tweedy William H | Apparatus for aerating and maintaining an ice free surface area on a body of water |
| CN101837822A (en) * | 2009-03-18 | 2010-09-22 | 李全亮 | Submersible-type icebreaking device |
| CN203530917U (en) * | 2013-08-16 | 2014-04-09 | 金塔县鸳鸯池水库管理所 | Ice melting device |
| CN204097960U (en) * | 2014-07-03 | 2015-01-14 | 辽宁省水利水电科学研究院 | A kind of anti-freezing device adopting gas blowout head |
-
2014
- 2014-07-03 CN CN201410313029.5A patent/CN104120675B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3320160A (en) * | 1965-08-24 | 1967-05-16 | Welles Products Inc | Method and apparatus for aerating a body of liquid |
| US3782704A (en) * | 1973-01-15 | 1974-01-01 | Schramm Inc | Apparatus and method for producing air bubbles in a body of liquid |
| US4279537A (en) * | 1980-05-21 | 1981-07-21 | Tweedy William H | Apparatus for aerating and maintaining an ice free surface area on a body of water |
| CN101837822A (en) * | 2009-03-18 | 2010-09-22 | 李全亮 | Submersible-type icebreaking device |
| CN203530917U (en) * | 2013-08-16 | 2014-04-09 | 金塔县鸳鸯池水库管理所 | Ice melting device |
| CN204097960U (en) * | 2014-07-03 | 2015-01-14 | 辽宁省水利水电科学研究院 | A kind of anti-freezing device adopting gas blowout head |
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Effective date of registration: 20180719 Address after: No. 1, fourteen weft Road, peace zone, Shenyang, Liaoning, Liaoning Patentee after: Liaoning water conservancy and Hydropower Research Institute Co., Ltd. Address before: No. 1, fourteen weft Road, peace zone, Shenyang, Liaoning, Liaoning Patentee before: Liaoning Water-Conservancy Hydroelectricity Science Academy |