CN206768930U - A kind of anti-whirlpool post vortex reducing means of closed intake pool rear wall - Google Patents

A kind of anti-whirlpool post vortex reducing means of closed intake pool rear wall Download PDF

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Publication number
CN206768930U
CN206768930U CN201720494379.5U CN201720494379U CN206768930U CN 206768930 U CN206768930 U CN 206768930U CN 201720494379 U CN201720494379 U CN 201720494379U CN 206768930 U CN206768930 U CN 206768930U
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China
Prior art keywords
whirlpool
intake pool
post
closed intake
oviduct
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Withdrawn - After Issue
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CN201720494379.5U
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Chinese (zh)
Inventor
颜红勤
蒋红樱
成立
卢士亮
吴玲玲
于磊
周艳霞
周曼
夏臣智
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Jiangsu Water Conservancy Engineering Science And Technology Consulting Ltd By Share Ltd
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Jiangsu Water Conservancy Engineering Science And Technology Consulting Ltd By Share Ltd
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Priority to CN201720494379.5U priority Critical patent/CN206768930U/en
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Publication of CN206768930U publication Critical patent/CN206768930U/en
Withdrawn - After Issue legal-status Critical Current
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Abstract

A kind of anti-whirlpool post vortex reducing means of closed intake pool rear wall are the utility model is related to, including closed intake pool, suction hose, one end that the suction hose is placed in closed intake pool are provided with oviduct, oviduct is provided with horn mouth;Oviduct rear is provided with anti-whirlpool post, and anti-whirlpool cylinder is frontal plane to oviduct one side, and the one side backwards to oviduct is rear plane, and the two sides towards closed intake pool side wall is arcwall face, and the width of frontal plane is less than the length of rear plane;The length of the closed intake pool rear wall of rear plan range of anti-whirlpool post is 0.12~0.21 times of horn mouth diameter;The height of the anti-whirlpool post is 1.8~2 times of horn mouth diameter.By the utility model, the current at intake pool rear wall are separated with anti-whirlpool post, and fill up the water body for vortex location occur, water body is broken up, reconfigures water body, reduce the vorticity speed of current, so as to have the function that the attached wall whirlpool of the closed intake pool of preventing and treating occurs.

Description

A kind of anti-whirlpool post vortex reducing means of closed intake pool rear wall
Technical field
A kind of anti-whirlpool post vortex reducing means of closed intake pool rear wall are the utility model is related to, belong to pump station engineering design skill Art field.
Background technology
Closed intake pool is to set one of concrete cover in the position of open type intake pool water pump beam, and open type is entered Pond is closed, and reduces table, is avoided setting intake pool structures, is reduced and interference is flowed in pond, prevent surface whirlpool Produce.But the attached wall whirlpool preventive and therapeutic effect unobvious for occurring in intake pool.In the attached wall whirlpool of closed intake pool harm compared with Big is rear wall whirlpool, after rear wall whirlpool produces, into oviduct so that become a mandarin in impeller uneven, influence the water of whole pumping plant Force efficiency, more seriously rear wall whirlpool is unstable to change drastically, and the flow fluctuation in pump installation can be caused to aggravate, Cause unit vibration, and mostly low-frequency vibration, propagation is wider, causes pump house and its neighbouring facility to vibrate, and jeopardizes whole pumping plant fortune Row safety.
The rear wall whirlpool in open type intake pool is eliminated, generally use adds the measures such as pipe 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 anti-whirlpool post vortex reducing means of intake pool rear wall in the attached wall whirlpool of pond rear wall.
The purpose of this utility model is achieved in that a kind of anti-whirlpool post vortex reducing means of closed intake pool rear wall, including Closed intake pool and the suction hose being arranged in closed intake pool, the closed intake pool include closed intake pool Side wall, closed intake pool rear wall, closed intake pool top plate, closed intake pool bottom plate, the suction hose is placed in closed One end in intake pool is provided with oviduct, and oviduct is provided with horn mouth;It is characterized in that:
The oviduct rear is provided with anti-whirlpool post, the anti-whirlpool cylinder to oviduct one side be frontal plane, backwards to loudspeaker The one side of pipe is rear plane, and the two sides towards closed intake pool side wall is arcwall face, and the width of frontal plane is less than rear plane Length;The length of the closed intake pool rear wall of rear plan range of anti-whirlpool post is 0.12~0.21 times of horn mouth diameter;Institute The width of plane is 0.3~0.4 times of horn mouth diameter after stating on anti-whirlpool post, and the width of frontal plane is the 0.1 of horn mouth diameter ~0.14 times;The height of the anti-whirlpool post is 1.8~2 times of horn mouth diameter, i.e. frontal plane, rear plane, the height of arcwall face It is 1.8~2 times of horn mouth diameter.
The arcwall face be shaped as long axial length be 0.3~0.4 times of horn mouth diameter, short axle length be horn mouth diameter 0.1~0.13 times of 1/4 ellipse.
A kind of closed anti-whirlpool post of intake pool rear wall according to claim 1 disappears vortex method, it is characterized in that:Including envelope Enclosed intake pool and the suction hose being arranged 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, are placed in closed intake pool in suction hose One end be provided with oviduct, oviduct is provided with horn mouth;Anti- whirlpool post is installed at oviduct rear, wherein, anti-whirlpool cylinder is to loudspeaker Pipe one side is frontal plane, and the one side backwards to oviduct is rear plane, and the two sides towards closed intake pool side wall is arc Face, the width of frontal plane are less than the length of rear plane;The length of the closed intake pool rear wall of rear plan range of anti-whirlpool post is loudspeaker 0.12~0.21 times of mouth diameter;The width of plane is 0.3~0.4 times of horn mouth diameter after on the anti-whirlpool post, preceding flat The width in face is 0.1~0.14 times of horn mouth diameter;The height of the anti-whirlpool post is 1.8~2 times of horn mouth diameter, i.e. Frontal plane, rear plane, the height of arcwall face are 1.8~2 times of horn mouth diameter;
Current flow into closed intake pool, and after current touch anti-whirlpool post, the space that current are also easy to produce whirlpool is filled out by anti-whirlpool post Mend, when water flows through anti-whirlpool post, water body is broken up, and each layer flow energy exchanges, two in anti-whirlpool post of the current of oviduct both sides Clockwise respectively, counterclockwise flow in the presence of arcwall face, so as to which oviduct both sides current are spaced, without interfering with each other through loudspeaker Mouth enters oviduct, suction hose.According to being flowed in closed intake pool, by controlling the width of frontal plane, rear plane to adjust The position of two cambered surfaces is saved, reaches optimal rectification effect.
The arcwall face be shaped as long axial length be 0.3~0.4 times of horn mouth diameter, short axle length be horn mouth diameter 0.1~0.13 times of 1/4 ellipse.
Rational in infrastructure, the advanced science of method of the present utility model, by the utility model, for loudspeaker in closed intake pool The water suction of pipe is intake for surrounding, but because the current between oviduct and rear wall are around entering by oviduct both sides, and is flowing into loudspeaker During pipe, stopped by rear wall so that the fluidised form at oviduct rear wall becomes sufficiently complex.The utility model is in loudspeaker Pipe rear wall sets an anti-whirlpool post through design, 0.12~0.21D of the anti-closed intake pool rear wall of whirlpool column length back gauge(D is loudspeaker Mouth diameter).The shape of cross section of anti-whirlpool post is designed according to closed intake pool rear wall current flow direction, anti-whirlpool post The long straight flange in cross section grows 0.3~0.4D, and short straight flange grows 0.1~0.14D, and both sides curve arc is 1/4 ellipse, oval long axial length 0.3~0.4D, short axle length 0.1~0.13D, 1.8~2D of anti-whirlpool pillar height.After setting anti-whirlpool post, current are also easy to produce the sky in whirlpool Between be padded, water body is broken up, and each layer flow energy exchanges, and current are along anti-whirlpool post clockwise flow, right side water on the left of oviduct Stream is spaced along anti-whirlpool post counterclockwise flow, both sides current, without interfering with each other into oviduct.
The purpose of this utility model is that the region of whirlpool is also easy to produce for rear wall in closed intake pool, utility model closing The anti-whirlpool post of formula intake pool rear wall disappears vortex method, devises a kind of anti-whirlpool post by this method, the anti-whirlpool post arranged is according to envelope Size corresponding to the physical dimension use of enclosed intake pool, and closed intake pool rear wall feature position is arranged in, can be effective Eliminate the attached wall whirlpool of closed intake pool rear wall.The utility model uses fluid mechanics principle, geometry of space and pumping plant intake pool Design theory, the innovation to the preventing and treating of closed intake pool attached wall whirlpool, separates the current at intake pool rear wall, and fill up with anti-whirlpool post There is the water body of vortex location, break up water body, reconfigure water body, reduce the vorticity speed of current, so as to reach preventing and treating envelope The effect that the attached wall whirlpool of enclosed intake pool 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, prevents and treats closed intake pool the innovation of whirlpool measure, the anti-whirlpool post, by rational parameter designing, Arrangement, make closed intake pool that the region water body of vortex easily occur and broken up, re-start energy exchange, more smoothed out Fluidised form, and then suppress vortex generation.
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.This will produce larger economic value and social benefit.
Brief description of the drawings
Fig. 1 is overlook direction structural representation of the present utility model.
Fig. 2 is main view direction structure schematic diagram of the present utility model.
Fig. 3 is the cross-sectional structure schematic diagram of anti-whirlpool post in the utility model.
In figure:1 oviduct, 2 closed intake pool side walls, 3 closed intake pool rear walls, 4 anti-whirlpool posts, 5 closed water inlets Plane behind pond top plate, 6 closed intake pool bottom plates, 7 suction hoses, 8,9, frontal plane, 10 arcwall faces.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings:
A kind of anti-whirlpool post vortex reducing means of closed intake pool rear wall, including closed intake pool and be arranged at it is closed enter Suction hose 7 in pond, closed intake pool include closed intake pool side wall 2, closed intake pool rear wall 3, it is closed enter Pond top plate 5, closed intake pool bottom plate 6, oviduct 1 is provided with one end that suction hose 7 is placed in closed intake pool, in loudspeaker Horn mouth is set on pipe 1, and water flows through horn mouth into oviduct 1, suction hose 7;Anti- whirlpool post 4 is installed at the rear of oviduct 1, its In, anti-whirlpool post 4 is frontal plane 9 towards the one side of oviduct 1, and the one side backwards to oviduct 1 is rear plane 8, towards closed water inlet The two sides of pond side wall 2 is arcwall face 10, and the width of frontal plane 9 is less than the length of rear plane 8;The distance of rear plane 8 of anti-whirlpool post 4 The length of closed intake pool rear wall 3 is 0.12~0.21 times of horn mouth diameter;The width of plane 8 after on the anti-whirlpool post 4 For 0.3~0.4 times of horn mouth diameter, the width of frontal plane 9 is 0.1~0.14 times of horn mouth diameter;The height of anti-whirlpool post 4 For 1.8~2 times of horn mouth diameter, i.e. frontal plane 9, rear plane 8, the height of arcwall face 10 be horn mouth diameter 1.8~ 2 times;Arcwall face 10 be shaped as long axial length be 0.3~0.4 times of horn mouth diameter, short axle length be horn mouth diameter 0.1~ 0.13 times of 1/4 ellipse;
In use, current flow into closed intake pool, after current touch anti-whirlpool post 4, current are also easy to produce the space quilt in whirlpool Anti- whirlpool post 4 is filled up, and when water flows through anti-whirlpool post 4, water body is broken up, and each layer flow energy exchanges, and the current of the both sides of oviduct 1 are anti- Clockwise respectively, counterclockwise flow in the presence of two arcwall faces 10 of whirlpool post 4, so as to which the both sides current of oviduct 1 are spaced, mutually Intrusively oviduct 1, suction hose 7 are not entered through horn mouth.According to being flowed in closed intake pool, by control frontal plane, after The width of plane can adjust the position of two cambered surfaces, reach optimal rectification effect.
We can set D as horn mouth diameter, then, the rear plane 8 of anti-whirlpool post 4 is away from closed intake pool rear wall 3 Length is 0.12~0.21D.The width of rear plane 8 of anti-whirlpool post 4 is 0.3~0.4D, and the width of frontal plane 9 is 0.1~0.14D, two Side arcwall face 10 be 1/4 ellipse, oval long 0.3~0.4D of axial length, short axle grow 0.1~0.13D.Anti- whirlpool post 4 high 1.8~ 2D。

Claims (2)

1. a kind of anti-whirlpool post vortex reducing means of closed intake pool rear wall, including closed intake pool and it is arranged at closed water inlet Suction hose in pond(7), the closed intake pool includes closed intake pool side wall(2), closed intake pool rear wall(3)、 Closed intake pool top plate(5), closed intake pool bottom plate(6), the suction hose(7)The one end being placed in closed intake pool Provided with oviduct(1), oviduct(1)It is provided with horn mouth;It is characterized in that:
The oviduct(1)Rear is provided with anti-whirlpool post(4), the anti-whirlpool post(4)Towards oviduct(1)It is simultaneously frontal plane (9), backwards to oviduct(1)One side be rear plane(8), towards closed intake pool side wall(2)Two sides be arcwall face (10), frontal plane(9)Width be less than rear plane(8)Width;Anti- whirlpool post(4)Rear plane(8)Apart from closed intake pool Rear wall(3)Length be 0.12~0.21 times of horn mouth diameter;The anti-whirlpool post(4)Plane after upper(8)Width be loudspeaker 0.3~0.4 times of mouth diameter, frontal plane(9)Width be 0.1~0.14 times of horn mouth diameter;The anti-whirlpool post(4)Height Spend for 1.8~2 times of horn mouth diameter, i.e. frontal plane(9), rear plane(8), arcwall face(10)Height be that horn mouth is straight 1.8~2 times of footpath.
2. a kind of closed anti-whirlpool post vortex reducing means of intake pool rear wall according to claim 1, it is characterized in that:The arc Face(10)Be shaped as long axial length be 0.3~0.4 times of horn mouth diameter, short axle length be 0.1~0.13 times of horn mouth diameter 1/4 ellipse.
CN201720494379.5U 2017-05-05 2017-05-05 A kind of anti-whirlpool post vortex reducing means of closed intake pool rear wall Withdrawn - After Issue CN206768930U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106948417A (en) * 2017-05-05 2017-07-14 江苏省水利工程科技咨询股份有限公司 A kind of anti-whirlpool post vortex reducing means of closed intake pool rear wall and its method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106948417A (en) * 2017-05-05 2017-07-14 江苏省水利工程科技咨询股份有限公司 A kind of anti-whirlpool post vortex reducing means of closed intake pool rear wall and its method
CN106948417B (en) * 2017-05-05 2022-05-27 江苏省水利工程科技咨询股份有限公司 Vortex-preventing column vortex-eliminating device and method for rear wall of closed water inlet pool

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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

CP02 Change in the address of a patent holder
AV01 Patent right actively abandoned

Granted publication date: 20171219

Effective date of abandoning: 20220527

AV01 Patent right actively abandoned

Granted publication date: 20171219

Effective date of abandoning: 20220527

AV01 Patent right actively abandoned
AV01 Patent right actively abandoned