CN105909566A - Combined type vortex control device for pump station water inlet flow field - Google Patents
Combined type vortex control device for pump station water inlet flow field Download PDFInfo
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- CN105909566A CN105909566A CN201610326936.2A CN201610326936A CN105909566A CN 105909566 A CN105909566 A CN 105909566A CN 201610326936 A CN201610326936 A CN 201610326936A CN 105909566 A CN105909566 A CN 105909566A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B5/00—Use of pumping plants or installations; Layouts thereof
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- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
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- Water Supply & Treatment (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to the field of pump station engineering, in particular to a combined type vortex control device for a pump station water inlet flow field. The combined type vortex control device comprises a water pool and multiple water sucking horn pipes. Multiple main flow guide walls, multiple auxiliary flow guide walls and multiple partition walls are vertically arranged on a bottom plate of the water pool in sequence from the front end to the rear end. All the water sucking horn pipes are arranged at the rear end of the water pool and communicate with one water pump unit. The front ends of the multiple main flow guide walls, the front ends of the multiple auxiliary flow guide walls and the front ends of the multiple partition walls face the front end of the water pool, and the rear ends of the multiple main flow guide walls, the rear ends of the multiple auxiliary flow guide walls and the rear ends of the multiple partition walls face the rear end of the water pool. Water flow sequentially flows through the multiple main flow guide walls, the multiple auxiliary flow guide walls and the multiple partition walls and then enters the multiple water sucking horn pipes. The two main flow guide walls are arranged in a splayed shape. The three auxiliary flow guide walls are arranged in the shape like a Chinese character 'chuan', and the multiple partition walls and the multiple water sucking horn pipes are arranged alternately. By means of the combined type vortex control device for the pump station water inlet flow field, backflow and vortexes of a large pump station can be effectively removed, the flowing state of the water inlet flow field is adjusted, the uniformity of water flow entering a pump is improved, and the running stability of the pump station is improved.
Description
Technical field
The invention belongs to pump station engineering field, particularly relate to pumping plant water inlet combination type control whirlpool, flow field and set
Execute.
Background technology
Pump station engineering is to use pump assembly and over-speed test transmission and change energy, realize water body
Conveying keeps away harmful hydraulic engineering with Xing Li.Forebay and intake pool are the important of pumping plant over-speed test
Ingredient, it is therefore an objective to create good hydraulics for pump sump.But in actual pumping plant,
Often due to the impact of many factors so that the fluidised form in Forebay of Pumping Station, intake pool is severe,
There is large scale backflow and the whirlpool affecting pump sump, cause the operation of water pump to produce serious
Adverse consequences, as caused pump efficiency to reduce, pump cavitation occurs, and aggravation water pump vibrates and makes an uproar
Sound, even more so that water pump cisco unity malfunction.
For forebay, the control of the bad fluidised form of intake pool, currently mainly use leading of unimodality
Stream pier.For the pumping plant that space scale is big, forebay and intake pool exist returning of large scale more
Stream district and space whirlpool, now the diversion pier of unimodality can not play good rectification effect
Really, there is the vortex street being similar to peripheral flow in particularly diversion pier afterbody, causes water pump to suck loudspeaker
Mouth fluidised form is disorderly, it is difficult to effectively improve the bad fluidised form in forebay, intake pool.
Because above-mentioned defect, the present inventor's the most in addition research and innovation, to founding one
Novel pumping plant water inlet combination type control whirlpool, flow field facility so that it is have more the value in industry.
Summary of the invention
(1) to solve the technical problem that
The technical problem to be solved in the present invention there is provided a kind of pumping plant water inlet combination type control whirlpool, flow field
Facility, this facility can effectively eliminate backflow and the whirlpool of large pumping station, adjusts water inlet flow field
Fluidised form, improves the stability of the uniformity into pump current and pumping station operation.
(2) technical scheme
In order to solve above-mentioned technical problem, the invention provides a kind of pumping plant water inlet flow field combination type
Controlling whirlpool facility, it includes pond and multiple water suction oviduct, and described pond is from front end to the back-end
Its base plate is the most vertically set up multiple major flow wall, multiple secondary training walls and multiple partition wall,
Each described water suction oviduct may be contained within the rear end in described pond, and is all communicated with a water pump
Unit, multiple described major flow walls, multiple described secondary training wall and the front end of multiple described partition wall
All towards the front end in described pond, rear end is all towards the rear end in described pond；Current flow through successively
Multiple described major flow walls, multiple described secondary training walls and multiple described partition wall, subsequently into many
Individual described water suction oviduct.
Preferably, the number of described major flow wall is two, and arranges in splayed configuration, described pair
The number of training wall is three, and in III-shaped arrangement, multiple described partition walls are all described with multiple
Water suction oviduct interval is arranged, and all rear ends with described pond, the rear end of multiple described partition walls are connected
Connect.
Preferably, described pond includes trapezoidal forebay and rectangle after-bay the most successively from front end,
Described forebay and after-bay are the most through, and two described major flow walls and three described secondary training walls are equal
It is positioned at described forebay.
Preferably, on the cross section of described control whirlpool facility, the company of all described water suction oviducts
Line in line, and, described forebay front end face fourth class branch is positioned at left side fourth class branch with
Company between the fourth class branch in left side in the fourth class branch of the line of all water suction oviducts
Line, can sequentially pass through the front-end and back-end of the described major flow wall in left side；Described forebay front end face four
Along ent is positioned in the fourth class branch of the fourth class branch on right side and the line of all water suction oviducts
Line between the fourth class branch on right side, before can sequentially passing through the described major flow wall in right side
End and rear end.
Preferably, the front end of each the described major flow wall horizontal range away from described forebay front end face
The most identical, the rear end of each the described major flow wall horizontal range away from described forebay front end face is homogeneous
With, the identical length of each described major flow wall is same, the height of each described major flow wall rear end
It is all higher than the height of its front end.
Preferably, on the cross section of described control whirlpool facility, in described partition wall front end, two, left side
After the trisection point of heart point line is positioned at trisection point and the left side described major flow wall in left side
The line of end central point, can sequentially pass through the front-end and back-end of the described secondary training wall in left side；Right side
The trisection point of two described partition wall front end center point lines is positioned at the trisection point on right side with right
The line of the back-end central point of major flow wall described in side, can sequentially pass through the described secondary training wall in right side
Front-end and back-end；The front end face central point in described pond and the line of rear end face central point, can
Sequentially pass through the front-end and back-end of middle described secondary training wall.
Preferably, described secondary training wall front end, left side far from left side the level of described major flow wall rear end
Distance, described secondary training wall front end, right side be the horizontal range of described major flow wall rear end far from right side,
And the described secondary training wall in centre is away from the horizontal range of major flow wall backhaul connection described in the left and right sides
The most identical, the height of each described secondary training wall rear end is all higher than the height of its front end, and each
The height of described secondary training wall rear end is respectively less than the height of each described major flow wall, described in each
The length of secondary training wall is respectively less than the length of each described major flow wall.
Preferably, multiple described major flow walls and multiple described secondary training wall are armored concrete
Structure, and its rear and front end is semicylinder.
Preferably, when the number of described water suction oviduct is less than four, remove all of described
Secondary training wall, and each described major flow wall is extended respectively backward, make each described major flow
The most correspondingly front end with a described partition wall, the rear end of wall is connected；Meanwhile, in order to make each main
Training wall is smoothly connected with corresponding partition wall, is positioned at the four of left side in the front end face fourth class branch of forebay
Along ent and the line at the center of the partition wall front end being positioned at left side, can sequentially pass through left side major flow
The front-end and back-end of wall；Forebay front end face fourth class branch be positioned at right side fourth class branch be positioned at the right side
The line at the center of the partition wall front end of side, can sequentially pass through in the front end of right side major flow wall and after
End.When the number of described water suction oviduct is more than five, body of wall is set in described pond,
The front end in pond is connected by described body of wall with rear end, makes described pond be divided into multiple single railway carriage or compartment,
Three, four or five described water suction oviducts are all included in each described single railway carriage or compartment.
(3) beneficial effect
The technique scheme of the present invention has the advantages that
1, pumping plant water inlet combination type control whirlpool, the flow field facility of the present invention, by the upstream in pond
Set gradually major flow wall and secondary training wall to downstream, current can be carried out by described major flow wall
Rectification for the first time, the shunting of centering edema with the heart involved Shu Jinhang and guiding, backflow and the rotation of large scale can be broken up
Whirlpool, adjusts flow uniformity；It is whole that described secondary training wall can carry out second time to the current flowed through
Stream, eliminates microvortex rotation group or the vortex street of alternate that major flow wall downstream occurs, simultaneously
Eliminate the horizontal mobility of juncture area bottom forebay and after-bay.
2, compared with prior art, pumping plant water inlet combination type control whirlpool, the flow field facility of the present invention was both
Take full advantage of the advantage that major flow wall giving treatment in accordance with the tendency of pathological change peace flows downstream, add again to eliminate
The secondary training wall of major flow wall afterbody transient state vortex street, can be effectively improved the bad stream in pumping plant water inlet flow field
State, particularly eliminates the vortex street constantly swung with flowing, and then adjusts the stream in water inlet flow field
State, improves the stability of the uniformity into pump current and pumping station operation.
Accompanying drawing explanation
Fig. 1 is the control whirlpool facility top view described in the embodiment of the present invention 1；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is the control whirlpool facility flow field state figure described in the embodiment of the present invention 1；
Fig. 4 is that the control whirlpool facility described in the embodiment of the present invention 1 removes major flow wall and secondary training wall
Flow field state figure afterwards；
Fig. 5 be control whirlpool of the present invention facility in the case of varying number water pump assembly, water pump
Outlet and the pressure fluctuation fieldtesting results figure at pump case top；
Fig. 6 is after control whirlpool of the present invention facility removes major flow wall and secondary training wall,
In the case of varying number water pump assembly, the pressure fluctuation on-the-spot test at exit of pump and pump case top
Result figure；
Fig. 7 is the control whirlpool facility top view described in the embodiment of the present invention 2；
The left view of Fig. 8 bitmap 7.
Wherein:
1, forebay；2, after-bay；3, major flow wall；4, secondary training wall；5, partition wall；6、
Water suction oviduct；
L, horizontal range between the front end face of forebay and rear end face；
L1, the front end horizontal range far from forebay front end face of major flow wall；
L2, the rear end horizontal range far from forebay front end face of major flow wall；
L3, the length of major flow wall；
L4, horizontal range between left and right sides major flow wall backhaul connection and forebay rear end face；
L5, the pair training wall front end, the right side horizontal range far from major flow wall rear end, right side；
L6, secondary training wall length；
B0, two, right side partition wall front end center point line；
H1, the height of major flow wall rear end；
H2, the height of secondary training wall rear end.
Detailed description of the invention
With embodiment, embodiments of the present invention are described in further detail below in conjunction with the accompanying drawings.
Following example are used for illustrating the present invention, but can not be used for limiting the scope of the present invention.
In describing the invention, except as otherwise noted, " multiple " are meant that two or two
Above.Term " on ", D score, "left", "right", " interior ", " outward ", " front end ", " rear end ",
The orientation of the instruction such as " head ", " afterbody " or position relationship be based on orientation shown in the drawings or
Position relationship, the front-end and back-end in pond refer respectively to the upstream and downstream of current；Trapezoidal water
Pond and rectangular pool be in the cross-sectional direction of this control whirlpool facility by upstream to downstream respectively in ladder
Shape and rectangle；The front-end and back-end of major flow wall, secondary training wall or partition wall refer respectively to towards
One end of upstream and one end for the downstream；Left side major flow wall refers to two in splayed configuration
Being positioned at that major flow wall in left side in major flow wall, right side major flow wall refers to two in eight
The major flow wall of font is positioned at that major flow wall on right side；The secondary training wall in left side refers to three
Individual in that pair training wall on the left of being positioned in III-shaped secondary training wall, middle secondary training wall refers to
Three in III-shaped secondary training wall is positioned at that secondary training wall of centre, right side pair water conservancy diversion
Wall refers to three in that the secondary training wall being positioned at right side in III-shaped secondary training wall；Above
On " ", D score, "left", "right", " interior ", " outward ", the term such as " front end " and " rear end "
It is for only for ease of and describes the present invention and simplify description rather than instruction or the device of hint indication
Or element must have specific orientation or with specific azimuth configuration and operation, therefore can not manage
Solve as limitation of the present invention.
As illustrated in fig. 1 and 2, a kind of pumping plant water inlet combination type control whirlpool, flow field is present embodiments provided
Facility, it include pond and five water suction oviducts 6, pond from front end to the back-end at its base plate
On the most vertically set up the secondary training wall 4 of 3, three, two major flow walls and four partition walls 5, each
Water suction oviduct 6 may be contained within the rear end in pond, and is all communicated with a water pump assembly (in figure
Not shown), 3, three secondary training walls 4 of two major flow walls and the equal court in front end of four partition walls 5
To the front end in pond, rear end is all towards the rear end in pond；Current flow through successively two major flow walls 3,
Three secondary training walls 4 and four partition walls 5, subsequently into five water suction oviducts 6.Each is dominated
Stream wall 3 and each secondary training wall 4 are reinforced concrete structure, and width is
0.1987D+0.5231m (D be water suction oviduct 6 bottom surface diameter), each major flow wall 3
It is semicylinder with two ends before and after each secondary training wall 4.
Two major flow walls 3 and in splayed configuration arrange, three secondary training walls 4 in III-shaped arrangement,
Four partition walls 5 are arranged with five water suction oviduct 6 intervals respectively, and the rear end of four partition walls 5 is equal
It is connected with the rear end in pond.Pond is divided into trapezoidal forebay 1 and rectangle to the back-end from front end
After-bay 2, forebay 1 and after-bay 2 are the most through, and current flow to after-bay 2, two masters from forebay 1
Training wall 3 and three secondary training walls 4 are respectively positioned in forebay 1, four partition walls 5 and five water suctions
Oviduct 6 is respectively positioned in after-bay 2.
On the cross section of control whirlpool facility, the line of all water suction oviducts 6 in line, and,
Forebay 1 front end face fourth class branch is positioned at the fourth class branch in left side and all water suction oviducts 6
Line between the fourth class branch in left side in the fourth class branch of line, can sequentially pass through left side
The front-end and back-end of major flow wall 3；Forebay 1 front end face fourth class branch is positioned at the fourth class on right side
The fourth class branch of the line of branch and all water suction oviducts 6 is positioned at right side fourth class branch it
Between line, can sequentially pass through right side described major flow wall 3 front-end and back-end.Each is dominated
Front end horizontal range L1 far from forebay 1 front end face of stream wall 3 be forebay 1 front end face and after
Between end face 0.45～0.5 times of horizontal range L, the rear end of each major flow wall 3 is far from forebay 1
Horizontal range L2 of front end face is horizontal range L between front end face and the rear end face of forebay 1
0.7～0.75 times, length L3 of each major flow wall 3 is front end face and the rear end face of forebay 1
Between 0.25 times of horizontal range L, the height H1 of each major flow wall 3 rear end is all higher than it
The height of front end, and it is 0.9 times of the lowest water level locality depth of water.
On the cross section of control whirlpool facility, two the partition wall 5 front end center point lines in left side third
Branch is positioned at the line of the trisection point in left side and the back-end central point of left side major flow wall 3,
The front-end and back-end of the secondary training wall 4 in left side can be sequentially passed through；Two partition wall 5 front end center in right side
The trisection point of some line B0 is positioned at the trisection point on right side and the rear end of right side major flow wall 3
The line of central point, can sequentially pass through the front-end and back-end of the secondary training wall 4 in right side；Before pond
End face central point and the line of rear end face central point, before can sequentially passing through middle secondary training wall 4
End and rear end.Secondary training wall 4 front end, the left side horizontal range far from major flow wall 3 rear end, left side,
Secondary training wall 4 front end, right side horizontal range L5 far from major flow wall 3 rear end, right side, and middle
The secondary training wall 4 horizontal range away from left and right sides major flow wall 3 backhaul connection, is left and right two
Between side major flow wall 3 backhaul connection and forebay 1 rear end face 0.56 times of horizontal range L4.Respectively
Individual secondary training wall 4 length L6 be 0.3 times of major flow wall 3 length L3.Each is secondary
The height H2 of training wall 4 rear end is all higher than the height of its front end, and is major flow wall 3 rear end
0.6 times of highly H1.
In work, when current flow through each described major flow wall 3, current are by each major flow
Wall 3 carries out rectification for the first time, and in current, backflow and the vortex of large scale are broken up；When water flows to
When one step flows through each secondary training wall 4, current are carried out second time rectification by each secondary training wall 4,
The little yardstick vortex in major flow wall 3 downstream or vortex street are eliminated.
In sum, pumping plant water inlet combination type control whirlpool, the flow field facility of the present embodiment, by water
The upstream in pond to downstream has set gradually major flow wall 3 and secondary training wall 4, described major flow wall 3
Current can be carried out rectification for the first time, the shunting of centering edema with the heart involved Shu Jinhang and guiding, big chi can be broken up
The backflow of degree and vortex, adjust flow uniformity；Described secondary training wall 4 can be to the current flowed through
Carry out second time rectification, eliminate the microvortex rotation group of major flow wall 3 downstream appearance or alternately become
The vortex street changed, eliminates the horizontal mobility of juncture area bottom forebay 1 and after-bay 2 simultaneously.
See Fig. 3, (see the control whirlpool facility described in Fig. 4: embodiment 1 to remove with prior art
Major flow wall 3 and the flow field state figure after secondary training wall 4) to compare, the pumping plant of the present invention enters
Water flow field combination type control whirlpool facility had both taken full advantage of major flow wall 3 giving treatment in accordance with the tendency of pathological change peace and had flowed downstream
Advantage, add again to eliminate the secondary training wall 4 of major flow wall 3 afterbody transient state vortex street,
The bad fluidised form in pumping plant water inlet flow field can be effectively improved, particularly eliminate and constantly swing with flowing
Vortex street.
See Fig. 5 and 6, be respectively compared described control whirlpool facility and remove major flow wall 3 and secondary training wall
Before and after 4, exit of pump and the pressure fluctuation at pump case top in the case of varying number water pump assembly
Fieldtesting results, it appeared that the pressure fluctuation at exit of pump and pump case top is at water pump assembly
Run and averagely reduce 26.24% and 5.08% under the different operating modes that number of units is different.It is computed, sends out
After now adding major flow wall 3 and secondary training wall 4, water suction oviduct 6 import and unit fixed on water pump suction
The velocity flow profile uniformity brought up to 76.65% He by original 68.82% and 80.77% respectively
91.42%.Understand in conjunction with accompanying drawing 3 and 4, Forebay of Pumping Station 1 adds major flow wall 3 and pair is led
Stream wall 4, it is possible to effectively eliminate backflow and the whirlpool of this type of pumping plant, improve the stream into water flow field
State, and then improve the stability of the uniformity into pump current and pumping station operation.
See Fig. 7 and Fig. 8, when the number of the oviduct 6 that absorbs water is less than four, remove all of
Secondary training wall 4, and each major flow wall 3 is extended respectively backward, make each major flow wall 3
The most correspondingly front end with a partition wall 5, rear end be connected.Meanwhile, in order to make each major flow
Wall 3 is smoothly connected with corresponding partition wall 5, and forebay 1 front end face fourth class branch is positioned at the four of left side
Along ent and the line at the center of partition wall 5 front end being positioned at left side, can sequentially pass through left side leading
The front-end and back-end of stream wall 3；Forebay 1 front end face fourth class branch be positioned at right side fourth class branch with
It is positioned at the line at the center of partition wall 5 front end on right side, can sequentially pass through in right side major flow wall 3
Front-end and back-end.
It addition, when the number of the oviduct 6 that absorbs water is more than five, arrange body of wall in pond,
The front end in pond is connected by body of wall with rear end, makes pond be divided into multiple single railway carriage or compartment, Mei Gedan
Three, four or five water suction oviducts 6 are all included in railway carriage or compartment.
Embodiments of the invention are given for the sake of example and description, and are not nothing left
Leakage or limit the invention to disclosed form.Many modifications and variations are for this area
It is apparent from for those of ordinary skill.Selecting and describing embodiment is to more preferably illustrate
The principle of the present invention and actual application, and make those of ordinary skill in the art it will be appreciated that this
Invent thus design the various embodiments with various amendments being suitable to special-purpose.
Claims (9)
1. pumping plant water inlet combination type control whirlpool, flow field facility, it is characterised in that include pond,
With multiple water suction oviducts, described pond is the most vertically set up to the back-end from front end on its base plate
Multiple major flow walls, multiple secondary training walls and multiple partition wall, each described water suction oviduct is all provided with
It is placed in the rear end in described pond, and is all communicated with a water pump assembly, multiple described major flow walls,
The front end of multiple described secondary training walls and multiple described partition wall all towards the front end in described pond, after
End is all towards the rear end in described pond；Current flow through multiple described major flow wall, Duo Gesuo successively
State secondary training wall and multiple described partition wall, subsequently into multiple described water suction oviducts.
Pumping plant the most according to claim 1 water inlet combination type control whirlpool, flow field facility, its feature
Being, the number of described major flow wall is two, and arranges in splayed configuration, described secondary training wall
Number be three, and in III-shaped arrangement, multiple described partition walls all with multiple described water suction loudspeakers
Pipe interval is arranged, and all rear ends with described pond, the rear end of multiple described partition walls are connected.
Pumping plant the most according to claim 2 water inlet combination type control whirlpool, flow field facility, its feature
Being, described pond includes trapezoidal forebay and rectangle after-bay the most successively from front end, described before
Pond and after-bay are the most through, and two described major flow walls and three described secondary training walls are respectively positioned on institute
State in forebay.
Pumping plant the most according to claim 3 water inlet combination type control whirlpool, flow field facility, its feature
Be, on the cross section of described control whirlpool facility, all described water suction oviducts be wired to one
Straight line, and,
Described forebay front end face fourth class branch is positioned at the fourth class branch in left side and all water suction loudspeaker
Line between the fourth class branch in left side in the fourth class branch of the line of pipe, can sequentially pass through
The front-end and back-end of the described major flow wall in left side；
Described forebay front end face fourth class branch is positioned at the fourth class branch on right side and all water suction loudspeaker
Line between the fourth class branch on right side in the fourth class branch of the line of pipe, can sequentially pass through
The front-end and back-end of the described major flow wall in right side.
Pumping plant the most according to claim 3 water inlet combination type control whirlpool, flow field facility, its feature
Being, the front end of each the described major flow wall horizontal range away from described forebay front end face is the most identical,
The rear end of each the described major flow wall horizontal range away from described forebay front end face is the most identical, each
The identical length of described major flow wall is same, and the height of each described major flow wall rear end is all higher than it
The height of front end.
Pumping plant the most according to claim 3 water inlet combination type control whirlpool, flow field facility, its feature
It is, on the cross section of described control whirlpool facility,
The trisection point of two the described partition wall front end center point lines in left side is positioned at the third of left side
Branch and the line of the back-end central point of left side described major flow wall, can sequentially pass through left side described
The front-end and back-end of secondary training wall；
The trisection point of two the described partition wall front end center point lines in right side is positioned at the third of right side
Branch and the line of the back-end central point of right side described major flow wall, can sequentially pass through right side described
The front-end and back-end of secondary training wall；
The front end face central point in described pond and the line of rear end face central point, in can sequentially passing through
Between the front-end and back-end of described secondary training wall.
Pumping plant the most according to claim 3 water inlet combination type control whirlpool, flow field facility, its feature
It is,
Described secondary training wall front end, left side is the horizontal range of described major flow wall rear end, the right side far from left side
Secondary training wall front end described in side is the horizontal range of described major flow wall rear end far from right side, and middle
Described secondary training wall is the most identical away from the horizontal range of major flow wall backhaul connection described in the left and right sides；
The height of each described secondary training wall rear end is all higher than the height of its front end, and described in each
The height of secondary training wall rear end is respectively less than the height of each described major flow wall, and each described pair is led
The length of stream wall is respectively less than the length of each described major flow wall.
Pumping plant the most according to claim 1 water inlet combination type control whirlpool, flow field facility, its feature
Being, multiple described major flow walls and multiple described secondary training wall are reinforced concrete structure,
And its rear and front end is semicylinder.
9. set according to the pumping plant water inlet combination type control whirlpool, flow field according to any one of claim 1-8
Execute, it is characterised in that
When the number of described water suction oviduct is less than four, remove all of described secondary training wall,
And each described major flow wall is extended respectively backward, the rear end making each described major flow wall is equal
Correspondingly the front end with a described partition wall is connected；
When the number of described water suction oviduct is more than five, body of wall is set in described pond,
The front end in pond is connected by described body of wall with rear end, makes described pond be divided into multiple single railway carriage or compartment,
Three, four or five described water suction oviducts are all included in each described single railway carriage or compartment.
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| CN201610326936.2A CN105909566B (en) | 2016-05-17 | 2016-05-17 | A kind of pumping plant water inlet flow field combined type control whirlpool facility |
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| CN201610326936.2A CN105909566B (en) | 2016-05-17 | 2016-05-17 | A kind of pumping plant water inlet flow field combined type control whirlpool facility |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106759665A (en) * | 2016-11-30 | 2017-05-31 | 华北水利水电大学 | Combination waterpower fairing under pumping plant intake pool ultra low water level |
| CN109469156A (en) * | 2017-09-07 | 2019-03-15 | 江苏建筑职业技术学院 | A kind of facility improving forebay flow condition |
| CN109610355A (en) * | 2019-01-16 | 2019-04-12 | 河海大学 | A kind of guarantee urban rainwater pumping plant expansion type water outlet box culvert goes out to flow uniform method |
| CN109770810A (en) * | 2017-11-10 | 2019-05-21 | 青岛海尔洗碗机有限公司 | A kind of washing facility |
| CN116201085A (en) * | 2023-04-27 | 2023-06-02 | 江苏沙河抽水蓄能发电有限公司 | Water inlet and outlet joint vortex eliminating device of pumped storage power station |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106759665A (en) * | 2016-11-30 | 2017-05-31 | 华北水利水电大学 | Combination waterpower fairing under pumping plant intake pool ultra low water level |
| CN106759665B (en) * | 2016-11-30 | 2023-04-07 | 华北水利水电大学 | Combined hydraulic rectifying device under ultralow water level of pump station water inlet pool |
| CN109469156A (en) * | 2017-09-07 | 2019-03-15 | 江苏建筑职业技术学院 | A kind of facility improving forebay flow condition |
| CN109770810A (en) * | 2017-11-10 | 2019-05-21 | 青岛海尔洗碗机有限公司 | A kind of washing facility |
| CN109610355A (en) * | 2019-01-16 | 2019-04-12 | 河海大学 | A kind of guarantee urban rainwater pumping plant expansion type water outlet box culvert goes out to flow uniform method |
| CN109610355B (en) * | 2019-01-16 | 2019-11-05 | 河海大学 | A kind of guarantee urban rainwater pumping plant expansion type water outlet box culvert goes out to flow uniform method |
| CN116201085A (en) * | 2023-04-27 | 2023-06-02 | 江苏沙河抽水蓄能发电有限公司 | Water inlet and outlet joint vortex eliminating device of pumped storage power station |
| CN116201085B (en) * | 2023-04-27 | 2023-07-07 | 江苏沙河抽水蓄能发电有限公司 | Water inlet and outlet joint vortex eliminating device of pumped storage power station |
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