CN102966076A - 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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- CN102966076A CN102966076A CN2012104489291A CN201210448929A CN102966076A CN 102966076 A CN102966076 A CN 102966076A CN 2012104489291 A CN2012104489291 A CN 2012104489291A CN 201210448929 A CN201210448929 A CN 201210448929A CN 102966076 A CN102966076 A CN 102966076A
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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 a kind of system of floating of blocking for the large-scale power station water inlet.
Background technology
The power station is a kind of integration engineering facility that water can be converted to electric energy.Generally comprising the reservoir that formed by dash, outlet structure escape works and Diversion system of hydropower station, power plant building, electromechanical equipment etc. forms.Utilize these buildings to concentrate the drop of natural current to form head, compile, regulate the flow of natural current, and it is transferred to the hydraulic turbine, through the co-operation of the hydraulic turbine and generator, the water of concentrating can be converted to electric energy, through transformer, switching station and transmission line of electricity etc. electric energy be inputted electrical network again.
Low-head hydroelectric plant for plain tract, because the discharge of river is very large, be positioned at the downstream in addition, numerous floating things in river course such as the meetings such as withered tree, plastics, foam and household garbage are along with water inlet huge diversion flow motion in power station is come, in order to prevent being inhaled into generating set after these floating things from entering the power station forebay, thereby cause the damage of unit or affect the normal operation of unit, generally need to design at the power station forebay and block floating row.
The existing system of floating of blocking generally is flexible.See figures.1.and.2, traditional system of floating of blocking generally comprises long wire rope 1, is in series with a plurality of floating drums 2 in the middle of the wire rope 1, and 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, form to block together and float row, can be along with the instant oscilaltion of the variation of water level, the interception floater.Owing to be that therefore blocking the system of floating has certain flexibility with the wire rope serial connection.But its defective also is apparent: flood period, when the streamflow flow velocity is larger, often easily fracture when wire rope is subjected to huge water impact, thereby the effect of floating is blocked in forfeiture, this often occurs in a lot of power stations at home, although can repair later, the normal operation that this will affect the power station brings larger economic loss; In addition since flexible blocking float to come under the flow action and swing back and forth, relatively poor to the guide function of the floating thing of larger build, can not be with floating thing along being directed at the 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 the system of floating, it will meet the following conditions at least: have (1), easy fracture not; (2) but following water-level lifting; (3), have interception floating thing, the function along being directed at the downstream of general.
The solution that the present invention solves its technical problem is:
A kind of Liftable type rigidity that can be used for the large-scale power station water inlet is blocked the system of floating, and comprising: at least one long straight part of rigidity; Buoyant member, it connects with the long straight part of rigidity, can make the long straight part of described rigidity be transverse state and float on the water surface; Prevent that the long straight part of rigidity from floating obstruction assembly within the power station with current, it is fixed in water inlet.
As further improvement in the technical proposal, described buoyant member has a plurality of, and the long straight part of described rigidity also has many, and the many long straight parts of rigidity connect the 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 further improvement in the technical proposal, the long straight part of described rigidity is ganoid stainless steel tube.
As further improvement in the technical proposal, described obstruction assembly is that several distribute and spaced apart, upright support pier along straight line.
As further improvement in the technical proposal, described buoyant member is ball float.
As further improvement in the technical proposal, described support pier is provided with vertical gathering sill, and the long straight part of ball float and/or rigidity is provided with the deck that embeds in the described gathering sill.
Perhaps, as the another kind improvement of technique scheme, described buoyant member is the floating ring that is enclosed within on the support pier.
Improvement in any case, the on the lower position that stops assembly has installed low water stage control bolt.
The invention has the beneficial effects as follows: the present invention adopts the long straight part of rigidity as blocking the main body of floating row, and make to block to float and arrange 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, guarantees to block and floats row's energy following water-level lifting, can in time tackle floating thing; Stop assembly and can prevent that the long straight part of rigidity from floating within the power station with current.The present invention replaces traditional flexible structure with rigid structures, is difficult for being washed out by water, and is because the large volume floating thing can well be guided to downstream of hydro-power plant in its rigid boundary, safe and reliable simultaneously.The present invention can be applicable to the water inlet of large-scale power station, the interception floating thing.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention, the accompanying drawing of required use was done simple declaration during the below will describe embodiment.Obviously, described accompanying drawing is a part of embodiment of the present invention, rather than whole embodiment, and those skilled in the art can also obtain other design schemes and accompanying drawing according to these accompanying drawings under the prerequisite of not paying creative work.
Fig. 1 is that traditional flexible blocking system of floating is arranged on power station water inlet plan structure schematic diagram afterwards;
Fig. 2 is the forward sight structural representation that traditional flexible blocking is floated system;
Fig. 3 is that the present invention is arranged on power station water inlet plan structure schematic diagram afterwards;
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 the ball float, and it is overlooks the 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, the connecting relation schematic diagram between support pier and the floating ring, and it is overlooks the visual angle.
The specific embodiment
Below with reference to embodiment and accompanying drawing the technique effect of design of the present invention, concrete structure and generation is carried out clear, complete description, to understand fully purpose of the present invention, feature and effect.Obviously; described embodiment is a part of embodiment of the present invention, rather than whole embodiment, based on embodiments of the invention; other embodiment that those skilled in the art obtains under the prerequisite of not paying creative work all belong to the scope of protection of the invention.In addition, all connection/annexations of mentioning in the literary composition are not to refer to that singly member directly joins, and refer to and can connect auxiliary by adding or reducing according to the implementation situation, form more excellent draw bail.
With reference to Fig. 3～Fig. 5, a kind of Liftable type rigidity that can be used for the large-scale power station water inlet is blocked the system of floating, and comprising: at least one long straight part 21 of rigidity; Buoyant member 22, it connects with the long straight part 21 of rigidity, can make the long straight part 21 of described rigidity be transverse state and float on the water surface; Prevent that the long straight part 21 of rigidity from floating obstruction assembly within the power station with current, it is fixed in water inlet.
The below lifts two concrete embodiments, and the first embodiment is:
Described buoyant member 22 has a plurality of, and the long straight part 21 of described rigidity also has many, and the many long straight parts 21 of rigidity connect the 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, one of those need can across, stop the place ahead 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 be 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 the long straight part 21 of ball float and/or rigidity is provided with the deck that embeds in the described gathering sill.
Be further used as preferred embodiment, the on the lower position that stops assembly has installed low water stage control bolt 24.Float at the bottom of row falls into riverbed or river in order to prevent from blocking, the special standby low water stage control bolt 24 that arranges, when water level was low, low water stage control bolt 24 can be held the rigidity straight part 21 of length or ball float like this, and water can pass through smoothly from the below.
With reference to Fig. 6～Fig. 7, the second embodiment has been done change to buoyant member 22 and the draw bail of support pier 23, and remainder is identical with the first embodiment, described changing to: buoyant member 22 is for being enclosed within the floating ring on the support pier 23.Floating ring has buoyancy equally, and its circulus can avoid again overall structure to break away from support pier 23, distortion is fallen apart.
Except above-mentioned dual mode is realized liftable, can also adopt and support pier is made hollow, both sides arrange and stretch out the long straight part of position, rigidity that window, buoyant member be positioned at described hollow and be inserted into structure composition form on the buoyant member from the window on both sides.
The present invention is by the Fixed bed experiment of physical model, and the checking of actual engineering operation, proved that this novel rigid Liftable type blocks to float that system architecture is firm, operation maintenance convenient, can obviously save the running cost in power station.
More than be that preferred embodiments of the present invention is specified, 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 of spirit of the present invention, the modification that these are equal to or replacement all are included in the application's claim limited range.
Claims (8)
1. a Liftable type rigidity that can be used for the large-scale power station water inlet is blocked the system of floating, and 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 of rigidity (21), can make the long straight part of described rigidity (21) be transverse state and float on the water surface;
Prevent that the long straight part of rigidity (21) from floating obstruction assembly within the power station with current, it is fixed in water inlet.
2. the Liftable type rigidity that can be used for the large-scale power station water inlet according to claim 1 is blocked the system of floating, it is characterized in that: described buoyant member (22) has a plurality of, the long straight part of described rigidity (21) also has many, the many long straight parts of rigidity (21) connect the formation strip in turn, and the joint of the point of attachment of the adjacent long straight parts of two rigidity (21) is described buoyant member (22).
3. the Liftable type rigidity that can be used for the large-scale power station water inlet according to claim 1 and 2 is blocked the system of floating, and it is characterized in that: the long straight part of described rigidity (21) is ganoid stainless steel tube.
4. the Liftable type rigidity that can be used for the large-scale power station water inlet according to claim 3 is blocked the system of floating, and it is characterized in that: described obstruction assembly distributes and spaced apart, upright support pier (23) along straight line for several.
5. the Liftable type rigidity that can be used for the large-scale power station water inlet according to claim 4 is blocked the system of floating, and it is characterized in that: described buoyant member (22) is ball float.
6. the Liftable type rigidity that can be used for the large-scale power station water inlet according to claim 5 is blocked the system of floating, it is characterized in that: described support pier (23) is provided with vertical gathering sill, and the long straight part of ball float and/or rigidity (21) is provided with the deck that embeds in the described gathering sill.
7. the Liftable type rigidity that can be used for the large-scale power station water inlet according to claim 4 is blocked the system of floating, and it is characterized in that: described buoyant member (22) is for being enclosed within the floating ring on the support pier (23).
8. the Liftable type rigidity that can be used for the large-scale power station water inlet according to claim 1 is blocked the system of floating, and it is characterized in that: the on the lower position that stops assembly has installed low water stage control 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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| 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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| CN102966076B CN102966076B (en) | 2015-04-15 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103215915A (en) * | 2013-03-29 | 2013-07-24 | 浙江海洋学院 | Stand pole and floating bridge adjusting structure, and floating dock applying stand pole and floating bridge adjusting structure |
| 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 |
| CN105369776A (en) * | 2015-12-11 | 2016-03-02 | 廖运太 | Water-storage and slag-removal system used for river ecological fish culturing and using method of system |
| 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 |
| CN113936485A (en) * | 2021-11-22 | 2022-01-14 | 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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| 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 |
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| 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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| 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 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103215915A (en) * | 2013-03-29 | 2013-07-24 | 浙江海洋学院 | Stand pole and floating bridge adjusting structure, and floating dock applying stand pole and floating bridge adjusting structure |
| 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 |
| CN105369776A (en) * | 2015-12-11 | 2016-03-02 | 廖运太 | Water-storage and slag-removal system used for river ecological fish culturing and using method of system |
| 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 |
| CN113936485A (en) * | 2021-11-22 | 2022-01-14 | 河南豫通盛鼎工程建设有限公司 | Temporary road traffic command robot for highway |
| 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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| CN102966076B (en) | 2015-04-15 |
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