CN102966076B - Liftable rigid float interception system capable of being used for water inlet of large-sized power station - Google Patents
Liftable rigid float interception system capable of being used for water inlet of large-sized power station Download PDFInfo
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- CN102966076B CN102966076B CN201210448929.1A CN201210448929A CN102966076B CN 102966076 B CN102966076 B CN 102966076B CN 201210448929 A CN201210448929 A CN 201210448929A CN 102966076 B CN102966076 B CN 102966076B
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Abstract
The invention discloses a liftable rigid float interception system capable of being used for a water inlet of a large-sized power station. The system comprises at least one rigid long straight part, a floating part and a stop component, wherein the floating part is connected with the rigid long straight part, so that the rigid long straight part can float on a water surface in a transverse state; and the stop component is used for preventing the rigid long straight part from floating into the power station along with water flow and is fixed to the water inlet. The system is difficult to break and is durable; the floating part can keep that the rigid long straight part floats on the water surface at any time so as to guarantee that a float interception bar can lift and drop along with the water level and timely intercept floats; and the rigid long straight part can be prevented from floating into the power station along with the water flow by the stop component. According to the system, the conventional flexible structure is substituted by the rigid structure, so that the system is difficult to damage by water; and meanwhile, because of the rigid boundary of the system, large-size floats can be excellently guided to the downstream of the power station to guarantee the safety and the reliability. The system can be applied to the water inlet of the large-sized power station to intercept the floats.
Description
Technical field
The present invention relates to and a kind ofly block drift system for large-scale power station water inlet.
Background technology
Power station is a kind of integration engineering facility that water can be converted to electric energy.Generally comprise the reservoir that formed by dash, outlet structure escape works and Diversion system of hydropower station, power plant building, electromechanical equipment etc. form.These buildings are utilized to concentrate the drop of natural current to form head, collect, regulate the flow of natural current, and it is transferred to the hydraulic turbine, through the co-operation of the hydraulic turbine and generator, concentrated water can be converted to electric energy, then through transformer, switching station and transmission line of electricity etc., electric energy be inputted electrical network.
For the low-head hydroelectric plant of plain tract, because the discharge of river is very large, in addition downstream is positioned at, numerous floating things such as withered tree, plastics, foam and the household garbage etc. in river course can be come along with the water diversion flow motion that powerplant intakes is huge, generating set is inhaled into after entering power station forebay to prevent these floating things, thus cause the damage of unit or affect the normal operation of unit, generally need design to block floating row at power station forebay.
Existing drift system of blocking is generally flexible.See figures.1.and.2, traditional drift system of blocking generally comprises a longer wire rope 1, and be in series with multiple floating drum 2 in the middle of wire rope 1, wire rope 1 two is fixed on the two ends of water inlet by anchoring pier 3.After floating drum 2 strings, swim on the water surface, formed and block drift row together, can along with the instant oscilaltion of the change of water level, interception floater.Owing to being by wire rope serial connection, therefore blocking drift system and there is certain flexibility.But its defect is also apparent: flood period, time streamflow flow velocity is larger, wire rope often easily ruptures by during huge water impact, thus drift effect is blocked in forfeiture, this often occurs in a lot of power station at home, although can repair later, this will affect the normal operation in power station, brings larger economic loss; In addition due to flexible blocking drift come flow action under swing back and forth, poor to the guide function of the floating thing of larger build, can not by floating thing along being directed at downstream, and it be structure of steel wire, often causes the winding of water plant, cleaning is comparatively difficult.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of Liftable type rigidity to block drift system, it at least will meet the following conditions: have (1), not easy fracture; (2), can following water-level lifting; (3), there is interception floating thing, by the function along being directed at downstream.
The solution that the present invention solves its technical problem is:
The Liftable type rigidity that can be used for large-scale power station water inlet blocks a drift system, comprising: at least one long straight part of rigidity; Buoyant member, it connects with the long straight part of rigidity, and the long straight part of described rigidity can be made to be that transverse state floats on the water surface; Prevent the long straight part of rigidity from floating to the obstruction assembly within power station with current, it is fixed on water inlet.
As the further improvement of technique scheme, described buoyant member has multiple, and the long straight part of described rigidity also has many, and the many long straight parts of rigidity connect formation strip in turn, and the joint of the point of attachment of the long straight part of adjacent two rigidity is described buoyant member.
As the further improvement of technique scheme, the long straight part of described rigidity is ganoid stainless steel tube.
As the further improvement of technique scheme, described obstruction assembly is that several distribute and spaced apart, upright support pier along straight line.
As the further improvement of technique scheme, described buoyant member is ball float.
As the further improvement of technique scheme, described support pier is provided with vertical gathering sill, and ball float and/or the long straight part of rigidity are provided with the deck embedded in described gathering sill.
Or improve as the another kind of technique scheme, described buoyant member is the floating ring be enclosed within support pier.
Improvement in any case, the position on the lower stopping assembly is provided with low water stage and controls bolt.
The invention has the beneficial effects as follows: the present invention adopts the long straight part of rigidity as the main body of blocking drift row, makes to block drift and arranges not easy fracture, and durable in use; Buoyant member can make the long straight part of rigidity float at any time on the water surface, ensures to block drift row energy following water-level lifting, can tackle floating thing in time; Stopping assembly can prevent the long straight part of rigidity from floating within power station with current.The present invention replaces traditional flexible structure with rigid structures, is not easily washed out by water, simultaneously due to its rigid boundary, can well guide large volume floating thing to downstream of hydro-power plant, safe and reliable.The present invention can be applicable to the water inlet of large-scale power station, interception floating thing.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described.Obviously, described accompanying drawing is a part of embodiment of the present invention, instead of whole embodiment, and those skilled in the art, under the prerequisite not paying creative work, can also obtain other design schemes and accompanying drawing according to these accompanying drawings.
Fig. 1 is the traditional plan structure schematic diagram of flexible blocking drift Operation system setting after powerplant intakes;
Fig. 2 is the forward sight structural representation of traditional flexible blocking drift system;
Fig. 3 is the plan structure schematic diagram after the present invention is arranged on powerplant intakes;
Fig. 4 is the forward sight structural representation that the present invention adopts the first embodiment;
Fig. 5 is the present invention when adopting the first embodiment, the connecting relation schematic diagram between support pier and ball float, and it is in overlooking visual angle;
Fig. 6 is the forward sight structural representation that the present invention adopts the second form of implementation;
Fig. 7 is the present invention when adopting the second embodiment, and the connecting relation schematic diagram between support pier and floating ring, it is in overlooking visual angle.
Detailed description of the invention
Clear, complete description is carried out, to understand object of the present invention, characteristic sum effect fully below with reference to embodiment and the accompanying drawing technique effect to design of the present invention, concrete structure and generation.Obviously; described embodiment is a part of embodiment of the present invention, instead of whole embodiment, based on embodiments of the invention; other embodiments that those skilled in the art obtains under the prerequisite not paying creative work, all belong to the scope of protection of the invention.In addition, all connection/annexations mentioned in literary composition, not singly refer to that component directly connects, and refer to and according to concrete performance, can connect auxiliary by adding or reducing, and form more excellent draw bail.
With reference to Fig. 3 ~ Fig. 5, a kind of Liftable type rigidity that can be used for large-scale power station water inlet blocks drift system, comprising: at least one long straight part 21 of rigidity; Buoyant member 22, it connects with the long straight part 21 of rigidity, and the long straight part 21 of described rigidity can be made to float on the water surface in transverse state; Prevent the long straight part 21 of rigidity from floating to the obstruction assembly within power station with current, it is fixed on water inlet.
The embodiment that act two is concrete below, the first embodiment is:
Described buoyant member 22 has multiple, and the long straight part 21 of described rigidity also has many, and the many long straight parts 21 of rigidity connect formation strip in turn, and the joint of the point of attachment of the long straight part 21 of adjacent two rigidity is described buoyant member 22.In theory, as long as the long straight part long enough of rigidity, those need one can across, stop the front of whole water inlet, but consider actual assembled, preferably adopt the connecting mode of more piece long tube, buoyant member serial connection.
Be further used as preferred embodiment, the long straight part 21 of described rigidity is ganoid stainless steel tube.Smooth appearance, can not cause the winding of water plant, and operation maintenance is all very convenient.In addition, the long straight part of the rigidity such as square steel also can within limit of consideration.
Be further used as preferred embodiment, described obstruction assembly is that several distribute and spaced apart, upright support pier 23 along straight line.
Be further used as preferred embodiment, described buoyant member 22 is ball float.
Be further used as preferred embodiment, described support pier 23 is provided with vertical gathering sill, and ball float and/or the long straight part 21 of rigidity are provided with the deck embedded in described gathering sill.
Support pier 23 can ensure stainless steel tube not flexural deformation, plays the effect of reinforcement unitarity structure.Support pier 23 is made cylindrical, and diameter is generally 1m ~ 2m, to reach the object reducing resistance to water-flow.Meanwhile, choose this diameter, the width of gathering sill also not easily causes dirt to save bit by bit, block deck, and elevating function was lost efficacy.
Be further used as preferred embodiment, the position on the lower stopping assembly is provided with low water stage and controls bolt 24.Fall at the bottom of riverbed or river to prevent blocking drift row, the special standby low water stage that arranges controls bolt 24, and like this when water level is lower, low water stage controls bolt 24 can hold the long straight part 21 of rigidity or ball float, and water can pass through from below smoothly.
With reference to Fig. 6 ~ Fig. 7, the draw bail of the second embodiment to buoyant member 22 and support pier 23 has done change, and remainder is identical with the first embodiment, described in change to: buoyant member 22 is for being enclosed within the floating ring on support pier 23.Floating ring has buoyancy equally, and its circulus can avoid again overall structure to depart from support pier 23, distortion is fallen apart.
Except above-mentioned two kinds of modes realize except liftable, can also adopt and support pier be made hollow, both sides arrange stretch out window, position that buoyant member is positioned at described hollow, the long straight part of rigidity are inserted into structure composition form buoyant member from the window on both sides.
The present invention is by the Fixed bed experiment of physical model, and the engineering operation checking of reality, and demonstrating this rigidity Liftable type, to block firm, the operation maintenance of drift system architecture convenient, obviously can save the running cost in power station.
More than that better embodiment of the present invention is illustrated, but the invention is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent modifications or replacement under the prerequisite without prejudice to spirit of the present invention, and these equivalent modification or replacement are all included in the application's claim limited range.
Claims (5)
1. the Liftable type rigidity that can be used for large-scale power station water inlet blocks a drift system, it is characterized in that: comprising:
At least one long straight part (21) of rigidity;
Buoyant member (22), it connects with the long straight part (21) of rigidity, and the long straight part (21) of described rigidity can be made to float on the water surface in transverse state;
Prevent the long straight part (21) of rigidity from floating to the obstruction assembly within power station with current, it is fixed on water inlet;
Described buoyant member (22) has multiple, the long straight part (21) of described rigidity also has many, the many long straight parts (21) of rigidity connect formation strip in turn, the joint of the point of attachment of the long straight part (21) of adjacent two rigidity is described buoyant member (22), described obstruction assembly is that several distribute and spaced apart, upright support pier (23) along straight line, described support pier (23) is provided with vertical gathering sill, and buoyant member (22) and/or the long straight part (21) of rigidity are provided with the deck embedded in described gathering sill.
2. the Liftable type rigidity that can be used for large-scale power station water inlet according to claim 1 blocks drift system, it is characterized in that: the long straight part (21) of described rigidity is ganoid stainless steel tube.
3. the Liftable type rigidity that can be used for large-scale power station water inlet according to claim 1 blocks drift system, it is characterized in that: described buoyant member (22) is ball float.
4. the Liftable type rigidity that can be used for large-scale power station water inlet according to claim 1 blocks drift system, it is characterized in that: described buoyant member (22) is for being enclosed within the floating ring on support pier (23).
5. the Liftable type rigidity that can be used for large-scale power station water inlet according to claim 1 blocks drift system, it is characterized in that: the position on the lower stopping assembly is provided with low water stage and controls bolt (24).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210448929.1A CN102966076B (en) | 2012-11-09 | 2012-11-09 | Liftable rigid float interception system capable of being used for water inlet of large-sized power station |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210448929.1A CN102966076B (en) | 2012-11-09 | 2012-11-09 | Liftable rigid float interception system capable of being used for water inlet of large-sized power station |
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| CN102966076A CN102966076A (en) | 2013-03-13 |
| CN102966076B true CN102966076B (en) | 2015-04-15 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103215915B (en) * | 2013-03-29 | 2015-03-18 | 浙江海洋学院 | Floating dock |
| CN105200967A (en) * | 2015-07-03 | 2015-12-30 | 中国电建集团贵阳勘测设计研究院有限公司 | Reinforcing method and structure of pollutant intercepting floats |
| CN105369776B (en) * | 2015-12-11 | 2017-11-03 | 廖运太 | Retaining slag removing system and the application method of the system for river ecological fish culture |
| CN107975020A (en) * | 2017-12-07 | 2018-05-01 | 刘曼华 | A kind of collection device that floating grease and rubbish are collected on dykes and dams |
| CN113936485B (en) * | 2021-11-22 | 2022-09-16 | 河南豫通盛鼎工程建设有限公司 | Temporary road traffic command robot for highway |
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| FR2675828A1 (en) * | 1991-04-24 | 1992-10-30 | Morillon Corvol Courbot Sa | Floating barrier |
| CN201209247Y (en) * | 2008-06-02 | 2009-03-18 | 中国水电顾问集团中南勘测设计研究院 | Floating trash rack |
| FR2935998A1 (en) * | 2008-09-15 | 2010-03-19 | Thomas Raynal | Protection barrier for bathing area, has series of buoys or floaters spaced out with each other for maintaining tube above surface of water at height, and fillet whose apex is fixed on tube for allowing circulation of surface water |
| CN101994308A (en) * | 2009-08-28 | 2011-03-30 | 四川东方水利水电工程有限公司 | End connection device suitable for pontoon type dirt blocking and float guiding device |
| CN202265812U (en) * | 2011-09-22 | 2012-06-06 | 湖南国电土木工程有限公司 | Floating tank, floating trash drainage device and floating trash drainage rank |
| CN202899089U (en) * | 2012-11-09 | 2013-04-24 | 广东省水利水电科学研究院 | Lifting rigid float-intercepting system applicable to intakes of large power stations |
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2012
- 2012-11-09 CN CN201210448929.1A patent/CN102966076B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2675828A1 (en) * | 1991-04-24 | 1992-10-30 | Morillon Corvol Courbot Sa | Floating barrier |
| CN201209247Y (en) * | 2008-06-02 | 2009-03-18 | 中国水电顾问集团中南勘测设计研究院 | Floating trash rack |
| FR2935998A1 (en) * | 2008-09-15 | 2010-03-19 | Thomas Raynal | Protection barrier for bathing area, has series of buoys or floaters spaced out with each other for maintaining tube above surface of water at height, and fillet whose apex is fixed on tube for allowing circulation of surface water |
| CN101994308A (en) * | 2009-08-28 | 2011-03-30 | 四川东方水利水电工程有限公司 | End connection device suitable for pontoon type dirt blocking and float guiding device |
| CN202265812U (en) * | 2011-09-22 | 2012-06-06 | 湖南国电土木工程有限公司 | Floating tank, floating trash drainage device and floating trash drainage rank |
| CN202899089U (en) * | 2012-11-09 | 2013-04-24 | 广东省水利水电科学研究院 | Lifting rigid float-intercepting system applicable to intakes of large power stations |
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