CN206768929U - A kind of closed intake pool rear wall square column vortex reducing means - Google Patents
A kind of closed intake pool rear wall square column vortex reducing means Download PDFInfo
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- CN206768929U CN206768929U CN201720493793.4U CN201720493793U CN206768929U CN 206768929 U CN206768929 U CN 206768929U CN 201720493793 U CN201720493793 U CN 201720493793U CN 206768929 U CN206768929 U CN 206768929U
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Abstract
A kind of closed intake pool rear wall square column vortex reducing means are the utility model is related to, including closed intake pool, suction hose, suction hose one end are provided with oviduct, oviduct is provided with horn mouth；Oviduct rear both sides are symmetrically installed with second and third square column, the length of the closed intake pool rear wall of centre-to-centre spacing of second and third square column is 0.553 times of horn mouth diameter, second square column centre-to-centre spacing is close to 0.334 times that the distance of the one side closed formula intake pool side wall of the second square column is horn mouth diameter, and third party's shape column centre-to-centre spacing is close to 0.334 times that the distance of the one side closed formula intake pool side wall of third party's shape column is horn mouth diameter；The dead astern of oviduct is provided with the first square column.By the utility model, the water body for vortex location occur is filled up with column, breaks up water body, reconfigures water body, reduce the vorticity speed of current, have the function that the attached wall whirlpool of the closed intake pool of preventing and treating occurs.
Description
Technical field
A kind of closed intake pool rear wall square column vortex reducing means are the utility model is related to, belong to pump station engineering design
Technical field.
Background technology
Open type intake pool is the structures of water supply water pump suction pipe water suction, has table, is generally used for middle-size and small-size pump
Stand.Closed intake pool is to set one of concrete cover in the position of open type intake pool water pump beam, by open type intake pool
It is closed.The advantages of this remodeling method is intake pool is not had table, will not be because of in table fluctuation and pond
Movement disorder triggers surface whirlpool.Although closed intake pool avoids the harm in the surface whirlpool that may occur, but for water inlet
The another kind occurred in pond is harmful to whirlpool --- the preventive and therapeutic effect unobvious in attached wall whirlpool.After attached wall whirlpool produces in closed intake pool,
So that flow fluctuation aggravates in intake pool, it is possible to causes a variety of harmful low-frequency hydrodynamic oscillations, easily causes pump house and its attached
Nearly facility resonates, and jeopardizes whole pumping station operation safety.
The attached wall whirlpool prevention and controls commonly used in open type intake pool, which have, sets the measures such as rear bulkhead, rear wall dividing plate.But due to
Flow velocity is larger in closed intake pool, and traditional open type intake pool counteracting vortex does not apply to simultaneously.
Utility model content
The purpose of this utility model is to be directed to above-mentioned the deficiencies in the prior art, there is provided be able to can effectively eliminate it is closed enter
A kind of closed intake pool rear wall square column vortex reducing means in the attached wall whirlpool of pond rear wall.
The purpose of this utility model is achieved in that a kind of closed intake pool rear wall square column vortex reducing means, bag
Closed intake pool and the suction hose being arranged in closed intake pool are included, the closed intake pool includes closed water inlet
Pond side wall, closed intake pool rear wall, closed intake pool top plate, closed intake pool bottom plate, the suction hose are placed in closing
One end in formula intake pool is provided with oviduct, and oviduct is provided with horn mouth；It is characterized in that：Oviduct rear both sides are symmetrical
Second square column, third party's shape column, the second square column, the closed intake pool of centre-to-centre spacing of third party's shape column are installed
The length of rear wall is 0.553 times of horn mouth diameter, and the second square column centre-to-centre spacing is one side closed close to the second square column
The distance of formula intake pool side wall is 0.334 times of horn mouth diameter, and third party's shape column centre-to-centre spacing is close to third party's shape column one
The distance of side seal enclosed intake pool side wall is 0.334 times of horn mouth diameter；
The dead astern of the oviduct is provided with the first square column, after the closed intake pool of centre-to-centre spacing of the first square column
The length of wall is 0.25 times of horn mouth diameter.
The length of first square column is 0.2 times of horn mouth diameter, highly 2.5 times for horn mouth diameter.
Second square column, the length of side of third party's shape column are 0.267 times of horn mouth diameter, are highly loudspeaker
1.667 times of mouth diameter.
A kind of closed intake pool rear wall square column disappears vortex method, it is characterized in that：Including closed intake pool and set
The suction hose being placed in closed intake pool, closed intake pool include closed intake pool side wall, closed intake pool rear wall,
Closed intake pool top plate, closed intake pool bottom plate, one end that suction hose is placed in closed intake pool are provided with oviduct, loudspeaker
Pipe is provided with horn mouth；Oviduct rear both sides are symmetrically installed with the second square column, third party's shape column, and second is square vertical
Post, the length of the closed intake pool rear wall of the centre-to-centre spacing of third party's shape column are 0.553 times of horn mouth diameter, and second is square
Column centre-to-centre spacing is 0.334 times of horn mouth diameter close to the distance of the one side closed formula intake pool side wall of the second square column, the
Three square column centre-to-centre spacing are the 0.334 of horn mouth diameter close to the distance of the one side closed formula intake pool side wall of third party's shape column
Times；The dead astern of the oviduct is provided with the first square column, the closed intake pool rear wall of centre-to-centre spacing of the first square column
Length is 0.25 times of horn mouth diameter；
When current flow into closed intake pool, pass through the second square column for being symmetrically installed in oviduct rear both sides, the
Three square columns, the space that the close closed intake pool side-walls of closed intake pool both sides are also easy to produce whirlpool are square by second
Column, third party's shape column are filled up, and current are after the second square column, third party's shape column, in the second square column, the 3rd
Flow separation occurs at the column seamed edge of square column, changes the flow regime of current script, exacerbate the second square column,
The energy exchange intensity of third party's shape column surrounding layers current；In the first square column that oviduct dead astern is set, separate
Seal oviduct rear current so that current flow into oviduct, suction hose from both sides through horn mouth respectively, avoid rear current phase
Mutually interference, generation whirlpool, realize the whirlpool purpose that disappears.
The length of first square column is 0.2 times of horn mouth diameter, highly 2.5 times for horn mouth diameter.
Second square column, the length of side of third party's shape column are 0.267 times of horn mouth diameter, are highly loudspeaker
1.667 times of mouth diameter.
Rational in infrastructure, the advanced science of method of the present utility model, by the utility model, by two square columns（Second
Square column, third party's shape column）It is symmetrically mounted on closed intake pool oviduct rear, the second square column, third party's shape
The closed intake pool rear wall 0.553D of column centre-to-centre spacing（D is horn mouth diameter）, the second square column, third party's shape column center
Away from closed intake pool side wall 0.334D.Second square column, the length of side of third party's shape column are 0.267D, are highly
1.667D.A piece square column（First square column）Arrange the dead astern of oviduct, the long 0.2D of the first square column, height
2.5D, the closed intake pool rear wall 0.25D of the first square column centre-to-centre spacing.
By being symmetrical arranged two square columns in closed intake pool both sides（Second square column, third party's shape are stood
Post）, the space that closed intake pool both sides are also easy to produce whirlpool filled up by column, and current are after column, in column（Second is square
Column, third party's shape column）Seamed edge at flow separation occurs, water body broken up, and changes the flow regime of current script, respectively
Layer flow energy exchanges, and exacerbates the second square column, the energy exchange intensity of third party's shape column surrounding layers current.In loudspeaker
Pipe dead astern sets a square column（First square column）, separate envelope oviduct rear current so that current respectively from
Both sides flow into oviduct, avoid rear current from interfering, produce whirlpool, realize the whirlpool purpose that disappears.
To sum up, the purpose of this utility model is that the region of whirlpool is also easy to produce for rear wall in closed intake pool, practical new
The closed intake pool rear wall square column of type disappears vortex method, and three square columns are arranged closed intake pool loudspeaker by this method
Pipe rear.The square column arranged height and the length of side, Neng Gouyou according to corresponding to using the physical dimension of closed intake pool
Effect eliminates the closed attached wall whirlpool of intake pool rear wall.
The utility model uses fluid mechanics principle, geometry of space and pumping plant intake pool design theory, to it is closed enter
The innovation of pond Fu Bi whirlpools preventing and treating, the water body for vortex location occur is filled up with column, breaks up water body, reconfigures water body, is subtracted
The vorticity speed of weep, so as to have the function that the attached wall whirlpool of the closed intake pool of preventing and treating occurs.
Reasonable in the utility model structure, simple and science, is to be based on fluid mechanics principle, geometry of space and pumping plant
Intake pool design theory, the innovation of whirlpool measure is prevented and treated closed intake pool, the square column, is set by rational parameter
Meter, arrangement, makes closed intake pool that the region water body of vortex easily occur and is broken up, and re-starts energy exchange, obtains more
The fluidised form of smooth-going, and then suppress the generation of vortex.
Currently, with the transformation of national Large Or Medium Type Irrigation Areas and the implementation of renovation and rebuilding of pump station, various lots of built pumping plant
The situation that repair and maintenance is difficult, safe operation problem is serious is faced, its intake pool form can be transformed into closed intake pool；With
Open type intake pool to closed intake pool to develop, expand closed intake pool stable operation scope, improve closed water inlet
Pond Prevention and dissipation ability seems very necessary, and this will produce larger economic value and social benefit.
Brief description of the drawings
Fig. 1 is the utility model overlook direction structural representation.
Fig. 2 is the utility model main view direction structure schematic diagram.
In figure：1 oviduct, 2 closed intake pool side walls, 3 closed intake pool rear walls, 4 second square columns, 5 first
Square column, 6 third party's shape columns, 7 closed intake pool top plates, 8 closed intake pool bottom plates, 9 suction hoses.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
A kind of closed intake pool rear wall square column vortex reducing means, including closed intake pool and be arranged at closed
Suction hose 9 in intake pool, closed intake pool include closed intake pool side wall 2, closed intake pool rear wall 3, closed
Intake pool top plate 7, closed intake pool bottom plate 8, one end that suction hose 9 is placed in closed intake pool are provided with oviduct 1, loudspeaker
Horn mouth is provided with pipe 1, water flows through horn mouth and enters oviduct 1；It is square vertical that second is symmetrically installed in the rear both sides of oviduct 1
Post 4, third party's shape column 6, the second square column 4, the length of the closed intake pool rear wall 3 of the centre-to-centre spacing of third party's shape column 6
It is 0.553 times of horn mouth diameter, the centre-to-centre spacing of the second square column 4 is close to 4 one side closed formula intake pool of the second square column
The distance of side wall 2 is 0.334 times of horn mouth diameter, and the centre-to-centre spacing of third party's shape column 6 is one side closed close to third party's shape column 6
The distance of formula intake pool side wall 2 is 0.334 times of horn mouth diameter, and the second square column 4, the length of side of third party's shape column 6
It is 0.267 times of horn mouth diameter, is highly 1.667 times of horn mouth diameter.
In the dead astern of oviduct 1, the first square column 5, the closed intake pool of centre-to-centre spacing of the first square column 5 are set
The length of rear wall is 0.25 times of horn mouth diameter, and the length of the first square column 5 is 0.2 times of horn mouth diameter, is highly
2.5 times of horn mouth diameter.
When current flow into closed intake pool, by the second square column 4 for being symmetrically installed in the rear both sides of oviduct 1,
Third party's shape column 6, the space of whirlpool is also easy to produce by second at the close closed intake pool side wall 2 of closed intake pool both sides
Square column 4, third party's shape column 6 are filled up, and current are square second after the second square column 4, third party's shape column 6
Column 4, third party's shape column 6 column seamed edge at flow separation occurs, change the flow regime of current script, exacerbate the
The energy exchange intensity of two square columns 4, the surrounding layers current of third party's shape column 6；First set in the dead astern of oviduct 1
Square column 5, separate the envelope rear current of oviduct 1 so that current flow into oviduct 1, suction hose from both sides through horn mouth respectively
9, avoid rear current and interfere, produce whirlpool, realize the whirlpool purpose that disappears.
We can set D as horn mouth diameter, in the present embodiment, two square columns（Second square column 4,
Three square columns 6）It is symmetrically mounted on the closed rear of intake pool oviduct 1, the second square column 4, the center of third party's shape column 6
It is 0.553D away from closed intake pool rear wall length, the centre distance of the second square column 4 is close to the side seal of the second square column 4 one
The length of enclosed intake pool side wall is 0.334D, and the centre distance of third party's shape column 6 is close to 6 one side closed formula of third party's shape column
The length of intake pool side wall is 0.334D.Two square columns（Second square column 4, third party's shape column 6）The length of side be
0.267D, highly it is 1.667D.A piece square column（First square column 5）The dead astern of oviduct 1 is arranged, first is square
5 a length of 0.2D of column, 5 a height of 2.5D of the first square column, the closed intake pool rear wall 0.25D of the centre-to-centre spacing of the first square column 5.
Claims (3)
1. a kind of closed intake pool rear wall square column vortex reducing means, including closed intake pool and be arranged at it is closed enter
Suction hose in pond（9）, the closed intake pool includes closed intake pool side wall（2）, closed intake pool rear wall
（3）, closed intake pool top plate（7）, closed intake pool bottom plate（8）, the suction hose（9）It is placed in closed intake pool
One end is provided with oviduct（1）, oviduct（1）It is provided with horn mouth；It is characterized in that：The oviduct（1）Symmetrically pacify rear both sides
Equipped with the second square column（4）, third party's shape column（6）, the second square column（4）, third party's shape column（6）Centre-to-centre spacing envelope
Enclosed intake pool rear wall（3）Length be 0.553 times of horn mouth diameter, the second square column（4）Centre-to-centre spacing is close to second
Square column（4）One side closed formula intake pool side wall（2）Distance be 0.334 times of horn mouth diameter, third party's shape column（6）
Centre-to-centre spacing is close to third party's shape column（6）One side closed formula intake pool side wall（2）Distance be 0.334 times of horn mouth diameter；
The oviduct（1）Dead astern be provided with the first square column（5）, the first square column（5）Centre-to-centre spacing it is closed enter
The length of pond rear wall is 0.25 times of horn mouth diameter.
2. a kind of closed intake pool rear wall square column vortex reducing means according to claim 1, it is characterized in that：Described
One square column（5）Length be 0.2 times of horn mouth diameter, highly 2.5 times for horn mouth diameter.
3. a kind of closed intake pool rear wall square column vortex reducing means according to claim 1, it is characterized in that：Described
Two square columns（4）, third party's shape column（6）The length of side be 0.267 times of horn mouth diameter, be highly horn mouth diameter
1.667 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720493793.4U CN206768929U (en) | 2017-05-05 | 2017-05-05 | A kind of closed intake pool rear wall square column vortex reducing means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720493793.4U CN206768929U (en) | 2017-05-05 | 2017-05-05 | A kind of closed intake pool rear wall square column vortex reducing means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206768929U true CN206768929U (en) | 2017-12-19 |
Family
ID=60649724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720493793.4U Active CN206768929U (en) | 2017-05-05 | 2017-05-05 | A kind of closed intake pool rear wall square column vortex reducing means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206768929U (en) |
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2017
- 2017-05-05 CN CN201720493793.4U patent/CN206768929U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 210000 15 building, water conservancy building, 5 Shanghai Road, Nanjing, Jiangsu. Patentee after: Jiangsu water conservancy engineering science and technology consulting Limited by Share Ltd Address before: 210000 15 building, water conservancy building, 5 Shanghai Road, Yangzhou, Jiangsu. Patentee before: Jiangsu water conservancy engineering science and technology consulting Limited by Share Ltd |
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| CP02 | Change in the address of a patent holder |