CN201581663U - A new composite vortex elimination and anti-vortex pumping station inlet pool - Google Patents
A new composite vortex elimination and anti-vortex pumping station inlet pool Download PDFInfo
- Publication number
- CN201581663U CN201581663U CN2009202827441U CN200920282744U CN201581663U CN 201581663 U CN201581663 U CN 201581663U CN 2009202827441 U CN2009202827441 U CN 2009202827441U CN 200920282744 U CN200920282744 U CN 200920282744U CN 201581663 U CN201581663 U CN 201581663U
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- Prior art keywords
- water
- vortex
- pool
- inlet pool
- bell mouth
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- Expired - Fee Related
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- 239000002131 composite material Substances 0.000 title claims abstract 4
- 238000005086 pumping Methods 0.000 title abstract description 11
- 230000008030 elimination Effects 0.000 title abstract 2
- 238000003379 elimination reaction Methods 0.000 title abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 61
- 238000005192 partition Methods 0.000 claims abstract 2
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 230000007547 defect Effects 0.000 abstract 1
- 230000008901 benefit Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002146 bilateral effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
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Abstract
本实用新型涉及一种新型复合式消涡防涡泵站进水池。本实用新型结构是进水池后壁为平面对称蜗壳，与进水池两侧边壁相切，在吸水喇叭口下方的进水池底板上安装导水锥，导水锥底部直径与吸水喇叭口直径相等，导水锥的曲面形状为1/4椭圆，与池底相切，防涡隔板设置在吸水喇叭口正下方，左右对称，正对水流方向。本实用新型解决了现有技术存在的导水锥和后壁型线设计不科学，影响水流运动，池内流态和消涡防涡效果不能有效保证的缺陷。本实用新型结构简单，形状规则，消除了进水池后壁两个拐角处的旋涡区、底部死水区，隔断了进水池左右两侧可能产生的旋涡，减小吸水损失，减小入泵水流偏流角，提高水泵装置效率。
The utility model relates to a novel composite type vortex-eliminating and anti-vortex pumping station water inlet pool. The structure of the utility model is that the rear wall of the water inlet pool is a plane symmetrical volute, which is tangent to the side walls on both sides of the water inlet pool. Equal, the shape of the curved surface of the water guide cone is 1/4 ellipse, which is tangent to the bottom of the pool, and the anti-vortex partition is arranged directly under the water-absorbing bell mouth, symmetrical on the left and right, and facing the direction of the water flow. The utility model solves the defects in the prior art that the design of the water guide cone and the rear wall profile line is unscientific, affects the movement of the water flow, and cannot effectively guarantee the flow state in the pool and the vortex elimination and anti-eddy effect. The utility model is simple in structure and regular in shape, eliminates the vortex area at the two corners of the rear wall of the water inlet pool and the dead water area at the bottom, cuts off the possible vortex generated on the left and right sides of the water inlet pool, reduces water absorption loss, and reduces water flow bias in the pump Angle, improve the efficiency of the pump unit.
Description
Technical field
The utility model relates to a kind of pumping plant intake pool, belongs to hydraulic engineering technical field, cities and towns water supply and draining field of engineering technology, thermal power engineering and powered by nuclear energy field of engineering technology, particularly a kind of novel combined anti-whirlpool, whirlpool pumping plant intake pool that disappears.
Background technology
The pumping plant intake pool is the hydraulic structure of supply-water pump suction water pipe suction.In hydraulic engineering, cities and towns water supply and draining engineering, thermal power engineering and powered by nuclear energy engineering, water pump is the most frequently used dynamic power machine, the quality of its intake pool design, directly have influence on the water inlet condition of water pump, influence the normal performance of water pump energy characteristics and cavitation performance, have influence on safe, the stable and efficient operation of water pump assembly, have influence on economic benefit, project benefit and social benefit that pumping plant is built.
Before the present utility model, very easily produce water surface whirlpool, attached wall whirlpool and whirlpool, the attached end in the existing open type intake pool, cause unit vibration and noise, increase the pump sump loss, both reduced the pumping plant unit efficiency, injure pumping station operation safety again.For this reason, existing intake pool rear wall and water guide cone adopt various ways, to scheme the anti-whirlpool, whirlpool that disappears, but, its water guide cone and rear wall molded lines design not science, and water guide cone is not tangent with the intake pool base plate, and rear wall is not tangent with intake pool dual-side wall, influence water movement, the fluidised form and anti-whirlpool, the whirlpool effect that disappears can not effectively guarantee in the pond.
Summary of the invention
The purpose of this utility model is exactly in order to overcome above-mentioned defective, design, a kind of novel combined anti-whirlpool, whirlpool pumping plant intake pool that disappears of development.
The technical solution of the utility model is:
A kind of novel combined anti-whirlpool, whirlpool pumping plant intake pool that disappears, comprise into water pool side wall, base plate, intake pool is an open type, its major technique is characterised in that the intake pool rear wall is the plane symmetry spiral case, tangent with intake pool dual-side wall, on the intake pool base plate below the suction horn mouth, water guide cone is installed, water guide cone base diameter and suction horn mouth equal diameters, the curve form of water guide cone is 1/4 ellipse, with tangent at the bottom of the pond, anti-whirlpool dividing plate is arranged under the suction horn mouth, and bilateral symmetry is over against water (flow) direction.
Advantage of the present utility model and effect are simple in structure, regular shape, and construction and construction are easily; Plane symmetry scroll casing shape rear wall has been eliminated the vortex region of two corners of open type rectangle intake pool rear wall, the cross-section of river from big to small, meet inflow-rate of water turbine from big to small, the characteristics of motion that water velocity is stable; Bottom water guide cone and eliminated the slough, bottom every the whirlpool plate has cut off the issuable vortex in the intake pool left and right sides, has controlled scope and intensity that vortex produces.Plane symmetry scroll casing shape rear wall, water guide cone and every the whirlpool plate through after optimizing, can prevent the generation of whirlpool band effectively and enter the suction horn mouth, reduce the suction loss, improve water pump water inlet condition, improve water pump admission section axial flow velocity distribution consistency degree, reduce into pump current drift angle, improve pump installation efficient.
Description of drawings
Fig. 1--the utility model plane structure schematic diagram.
Fig. 2--A-A generalized section among Fig. 1.
The specific embodiment
The utility model structure is:
Water inlet pool side wall 7, base plate 1, plane symmetry scroll casing shape rear wall 4 and be installed in the water guide cone 3 and the anti-whirlpool dividing plate 2 of suction horn mouth 5 belows; Intake pool rear wall 4 is the plane symmetry spiral case, and is tangent with intake pool dual-side wall 7; Water guide cone 3 base diameters and suction horn mouth 5 equal diameters, the curved surface molded lines of water guide cone 3 is 1/4 ellipse, and is tangent with base plate 1; Anti-whirlpool dividing plate 2 is installed under the suction horn mouth 5, and bilateral symmetry faces water (flow) direction; The mouth of pipe of suction horn mouth 5 is 0.5～0.7D to the distance of base plate 1
0(D
0Be suction horn mouth inlet diameter); The mouth of pipe center of suction horn mouth 5 is 0.8～1.0D to the distance of rear wall 4
0(D
0Be suction horn mouth inlet diameter); The depth of immersion of import under the intake pool lowest water level of suction horn mouth 5 is 1.0～1.25D
0(D
0Be suction horn mouth inlet diameter), under any circumstance, must not be less than 0.5m.
Application process explanation of the present utility model:
When entering intake pool, current flow in the process of suction water pipe 6, part current enter from the front of suction horn mouth 5, a part current walk around suction water pipe 6 from the suction horn mouth 5 the back enter, plane symmetry scroll casing shape rear wall 4 has been eliminated the vortex of 4 two corners of intake pool rear wall, be installed in the water guide cone 3 and the anti-whirlpool dividing plate 2 of suction horn mouth 5 belows, eliminated the slough of suction horn mouth 5 belows, cut off the issuable vortex in the intake pool left and right sides, scope and intensity that vortex produces have been controlled, improve the water inlet condition of water pump, helped improving pump installation efficient.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202827441U CN201581663U (en) | 2009-12-30 | 2009-12-30 | A new composite vortex elimination and anti-vortex pumping station inlet pool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202827441U CN201581663U (en) | 2009-12-30 | 2009-12-30 | A new composite vortex elimination and anti-vortex pumping station inlet pool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201581663U true CN201581663U (en) | 2010-09-15 |
Family
ID=42723661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202827441U Expired - Fee Related CN201581663U (en) | 2009-12-30 | 2009-12-30 | A new composite vortex elimination and anti-vortex pumping station inlet pool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201581663U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104818699A (en) * | 2015-04-01 | 2015-08-05 | 扬州大学 | 1/4 elliptic cone conical table eddy eliminating device and method for closed intake pool |
| CN105508308A (en) * | 2016-01-28 | 2016-04-20 | 扬州大学 | Novel pumping station water pump beam anti-vortex device and method |
| CN107489655A (en) * | 2017-09-29 | 2017-12-19 | 扬州大学 | Pump installation bell-shaped inflow passage with the suitable flowing plate of activity |
| CN110029703A (en) * | 2019-04-17 | 2019-07-19 | 广东省水利水电科学研究院 | A kind of isocon inlet device for head-tank |
| CN116677047A (en) * | 2023-06-14 | 2023-09-01 | 扬州大学 | A Vortex Elimination Method for Pumping Station Forebay Based on Image Recognition Technology |
-
2009
- 2009-12-30 CN CN2009202827441U patent/CN201581663U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104818699A (en) * | 2015-04-01 | 2015-08-05 | 扬州大学 | 1/4 elliptic cone conical table eddy eliminating device and method for closed intake pool |
| CN105508308A (en) * | 2016-01-28 | 2016-04-20 | 扬州大学 | Novel pumping station water pump beam anti-vortex device and method |
| CN105508308B (en) * | 2016-01-28 | 2017-10-27 | 扬州大学 | A kind of anti-whirlpool device and method of water pump in pump station beam |
| CN107489655A (en) * | 2017-09-29 | 2017-12-19 | 扬州大学 | Pump installation bell-shaped inflow passage with the suitable flowing plate of activity |
| CN107489655B (en) * | 2017-09-29 | 2019-06-07 | 扬州大学 | Pump installation bell-shaped inflow passage with the suitable flowing plate of activity |
| CN110029703A (en) * | 2019-04-17 | 2019-07-19 | 广东省水利水电科学研究院 | A kind of isocon inlet device for head-tank |
| CN110029703B (en) * | 2019-04-17 | 2024-05-07 | 广东省水利水电科学研究院 | Shunt tube inlet device for high-level water tank |
| CN116677047A (en) * | 2023-06-14 | 2023-09-01 | 扬州大学 | A Vortex Elimination Method for Pumping Station Forebay Based on Image Recognition Technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100915 Termination date: 20121230 |