Nothing Special   »   [go: up one dir, main page]

CN105697424B - A kind of anti-vortex device of pumping plant - Google Patents

A kind of anti-vortex device of pumping plant Download PDF

Info

Publication number
CN105697424B
CN105697424B CN201610034674.2A CN201610034674A CN105697424B CN 105697424 B CN105697424 B CN 105697424B CN 201610034674 A CN201610034674 A CN 201610034674A CN 105697424 B CN105697424 B CN 105697424B
Authority
CN
China
Prior art keywords
straight
tri
prismoid
triangular prism
prism body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201610034674.2A
Other languages
Chinese (zh)
Other versions
CN105697424A (en
Inventor
张俊杰
施卫东
张德胜
赵睿杰
潘强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu University
Original Assignee
Jiangsu University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu University filed Critical Jiangsu University
Priority to CN201610034674.2A priority Critical patent/CN105697424B/en
Publication of CN105697424A publication Critical patent/CN105697424A/en
Application granted granted Critical
Publication of CN105697424B publication Critical patent/CN105697424B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/66Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/669Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2250/00Geometry
    • F05D2250/20Three-dimensional
    • F05D2250/21Three-dimensional pyramidal
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2250/00Geometry
    • F05D2250/20Three-dimensional
    • F05D2250/23Three-dimensional prismatic
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00Function
    • F05D2260/96Preventing, counteracting or reducing vibration or noise

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The present invention provides a kind of anti-vortex devices of pumping plant, including straight triangular prism body A, straight triangular prism body B, at least one tri-prismoid C, straight trigone cone A and at least one trigone cone B;The both ends of straight triangular prism body A are horizontally installed with straight trigone cone A;The both ends of straight triangular prism body A are vertically-mounted straight triangular prism body B;The part of horizontal that the straight triangular prism body A is located between two straight trigone cone A is equipped with multiple trigone cone B;The straightened portion that the straight triangular prism body A is located between two straight triangular prism body B is equipped with tri-prismoid C, the trigone cone B and tri-prismoid C one-to-one correspondence;Anti- vortex device of the present invention can inhibit the generation of vortex very well, extend the service life and operational efficiency of pumping plant.

Description

A kind of anti-vortex device of pumping plant
Technical field
The invention belongs to anti-vortex device fields, more particularly, to a kind of anti-vortex device of pumping plant.
Background technique
Traditional pump station does not add any anti-vortex device at pump intake, during pumping station operation, at pump intake Water flow is very rapid, and water a part meeting horizontal impact exterior wall that inlet is flowed through, a part is transported to vertically upward along pump The place needed.Wherein the water of horizontal impact exterior wall can generate an opposite force, and the power to come with impact mixes, in pump inlet Place generates vortex.The generation of the vortex is easy the vibration for causing pumping plant and noise, long-play are easy to happen cavitation erosion, threaten The operational reliability of pumping plant, while reducing the service life and operational efficiency of pumping plant.
The domestic document report about the anti-vortex device of pumping plant is less at present, and patent 201310279861.3 proposes one kind Increase energy dissipator in prefabricated pumping plant and deflector prevents so that the fluid flow state into immersible pump liquid sucting port is uniform It vortex and brings air into, improves the operation stability of pump;Patent 201210013684.X propose for steel-smelting technology and efficiently The device for preventing vortex from generating of continuous casting technology, but being directed to traditional pump station still can not a system caused by very good solution vortex Column problem.
Summary of the invention
The deficiency for lacking anti-vortex device for traditional pump station in the prior art, the present invention provides a kind of anti-rotations of pumping plant Whirlpool device can inhibit the generation of vortex very well, extend the service life and operational efficiency of pumping plant.
The present invention achieves the above technical objects by the following technical means.
A kind of anti-vortex device of pumping plant, including straight triangular prism body A, tri-prismoid B, at least one tri-prismoid C, straight three Pyramid A and at least one trigone cone B;
The both ends of the straight triangular prism body A are horizontally installed with straight trigone cone A;The bottom surface of the straight trigone cone A with The vertical rectangle sides of straight triangular prism body A are overlapped, the vertical right-angled side faces of straight trigone cone A and the triangle of straight triangular prism body A Bottom surface is overlapped, and the level right angle side of straight trigone cone A is overlapped with the horizontal rectangular side of straight triangular prism body A;
The both ends of the straight triangular prism body A are vertically-mounted tri-prismoid B;The bottom surface of the tri-prismoid B and straight three The horizontal rectangular side of prism A is overlapped, and the vertical rectangle sides of two of tri-prismoid B are vertical with straight triangular prism body A respectively Rectangle sides and bottom surface are overlapped;
The part of horizontal that the straight triangular prism body A is located between two straight trigone cone A is equipped with multiple trigone cone B, The bottom surface of the trigone cone B is overlapped with the vertical rectangle sides of straight triangular prism body A, the horizontal side of trigone cone B and straight three The horizontal rectangular side of prism A is overlapped;
The straightened portion that the straight triangular prism body A is located between two tri-prismoid B is equipped with tri-prismoid C, and described three Pyramid B and tri-prismoid C is corresponded;The bottom surface of the tri-prismoid C and the horizontal rectangular side weight of straight triangular prism body A It closes, the vertical side of one of tri-prismoid C is overlapped with the vertical rectangle sides of straight triangular prism body A.
Preferably, the straight triangular prism body A, tri-prismoid B, tri-prismoid C, straight trigone cone A and trigone cone B by Three pieces of stainless steel plates are welded, boring.
Preferably, the upper bottom surface of the tri-prismoid B and the angle of horizontal plane are 45 °.
Preferably, the bottom surface of the straight triangular prism body A and tri-prismoid B is equilateral right angled triangle, and right-angle side is a length of The 1/2 of pump inlet width;The height of straight triangular prism body A is equal to width of flow path;The height of tri-prismoid B is equal to pump inlet width 2 times.
Preferably, the long pyramid length in right angle of the straight trigone cone A is 2 times of pump inlet width, and short pyramid length is The 1/3 of width of flow path.
Preferably, the tri-prismoid C and trigone cone B is one.
Preferably, the trigone cone B is straight trigone cone, and the long pyramid length in right angle is 1.5 times of pump inlet width, short Pyramid length is the 1/3 of width of flow path.
Preferably, the bottom surface of the tri-prismoid C is equilateral triangle, and side length is the 1/3 of width of flow path.
Beneficial effects of the present invention:
The present invention constitutes a kind of anti-vortex device of pumping plant by the intercombination of multiple tri-prismoids and trigone cone; The anti-vortex device can make being transitioned at pump intake into the water flow stationary of pumping plant, reduce the horizontal impact of entrance incoming flow Power effectively inhibits the generation of vortex;And then weaken vibration, noise as caused by vortex, improve the security reliability of pumping plant And operational efficiency, increase its service life.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the anti-vortex device of pumping plant of the present invention.
Fig. 2 is the schematic diagram using the anti-vortex device of the present invention.
The reference numerals are as follows:
1- straight triangular prism body A, 2- tri-prismoid B, 3- tri-prismoid C, 4- straight trigone cone A, 5- trigone cone B, 6- pump.
Specific embodiment
Present invention will be further explained with reference to the attached drawings and specific examples, but protection scope of the present invention is simultaneously It is without being limited thereto.
As shown in Figure 1, a kind of anti-vortex device of pumping plant, including straight triangular prism body A1, tri-prismoid B2, a triangular prism Body C3, straight trigone cone A4 and a trigone cone B5;They are welded by three pieces of stainless steel plates, boring, with section Material saving;
The both ends of straight triangular prism body A1 are horizontally installed with straight trigone cone A4, and three constitutes horizontal concave structure;Institute Bottom surface where stating the short rib of straight trigone cone A4 is overlapped with the vertical rectangle sides of straight triangular prism body A1, and straight trigone cone A4's is perpendicular Straight right-angled side faces are overlapped with the base triangle of straight triangular prism body A1, the level right angle side of straight trigone cone A4 and straight triangular prism The horizontal rectangular side of body A1 is overlapped;The both ends of the straight triangular prism body A1 are vertically-mounted tri-prismoid B2, tri-prismoid The side of B2 is vertical with bottom surface, and the upper bottom surface of the tri-prismoid B (2) and the angle of horizontal plane are 45 °.
The bottom surface of the tri-prismoid B2 is overlapped with the horizontal rectangular side of straight triangular prism body A1, and two of tri-prismoid B2 Vertical rectangle sides are overlapped with the vertical rectangle sides of straight triangular prism body A1 and bottom surface respectively;In the present embodiment, straight triangular prism body The bottom surface of A1 and tri-prismoid B2 are equilateral right angled triangle, and the 1/2 of a length of pump inlet width of right-angle side;Straight triangular prism body A1 Height be equal to pumping plant width of flow path;The height of tri-prismoid B2 is equal to 2 times of pump inlet width.
The part of horizontal that straight triangular prism body A1 is located between two straight trigone cone A4 is equipped with a trigone cone B5, institute The bottom surface for stating trigone cone B5 is overlapped with the vertical rectangle sides of straight triangular prism body A1, the horizontal side of trigone cone B5 and straight three The horizontal rectangular side of prism A1 is overlapped;In the present embodiment, trigone cone B5 is straight trigone cone, and the long pyramid length in right angle is 1.5 times of pump inlet width, short pyramid length are the 1/3 of width of flow path.
The straightened portion that straight triangular prism body A1 is located between two tri-prismoid B2 is equipped with tri-prismoid C3, the trigone Cone B5 and tri-prismoid C3 is corresponded;The bottom surface of the tri-prismoid C3 and the horizontal rectangular side weight of straight triangular prism body A1 It closes, the vertical side of one of tri-prismoid C3 is overlapped with the vertical rectangle sides of straight triangular prism body A1;The tri-prismoid C3's Bottom surface is equilateral triangle, and side length is the 1/3 of width of flow path.
The course of work:
It is applied in pumping plant as shown in Fig. 2, pumping plant of the invention is installed with anti-vortex device.In pumping station operation process In, the water flow for pumping 6 inlet is very rapid, and the water that inlet is flowed through is through straight trigone cone A4, trigone cone B5, straight triangular prism body The successively transition buffer of A1, tri-prismoid B2, tri-prismoid C3, the straight triangular prism body A1 of addition make the power for impacting wall A part impact straight triangular prism body is resolved into, a part enters at pump intake obliquely along straight triangular prism body.Make to enter in this way The water flow stationary of pumping plant is transitioned at pump intake, is reduced the horizontal impact power of entrance incoming flow, is inhibited the generation of vortex;Weaken pump The vibration stood, noise, improve the security reliability and operational efficiency of pumping plant, increase its service life.
The embodiment is a preferred embodiment of the present invention, but present invention is not limited to the embodiments described above, not In the case where substantive content of the invention, any conspicuous improvement that those skilled in the art can make, replacement Or modification all belongs to the scope of protection of the present invention.

Claims (8)

1. a kind of anti-vortex device of pumping plant, which is characterized in that including straight triangular prism body A (1), tri-prismoid B (2), at least one A tri-prismoid C (3), straight trigone cone A (4) and at least one trigone cone B (5);
The both ends of the straight triangular prism body A (1) are horizontally installed with straight trigone cone A (4);The bottom of the straight trigone cone A (4) Face is overlapped with the vertical rectangle sides of straight triangular prism body A (1), the vertical right-angled side faces and straight triangular prism body of straight trigone cone A (4) The base triangle of A (1) is overlapped, the level right angle side of straight trigone cone A (4) and the horizontal rectangular side of straight triangular prism body A (1) Face is overlapped;
The both ends of the straight triangular prism body A (1) are vertically-mounted tri-prismoid B (2);The side of tri-prismoid B (2) is under The bottom surface of plane perpendicular, the tri-prismoid B (2) is overlapped with the horizontal rectangular side of straight triangular prism body A (1), tri-prismoid B (2) the vertical rectangle sides of two are overlapped with the vertical rectangle sides of straight triangular prism body A (1) and bottom surface respectively;
The part of horizontal that the straight triangular prism body A (1) is located between two straight trigone cone A (4) is equipped with multiple trigone cone B (5), the bottom surface of the trigone cone B (5) is overlapped with the vertical rectangle sides of straight triangular prism body A (1), the water of trigone cone B (5) Plane side is overlapped with the horizontal rectangular side of straight triangular prism body A (1);
The straightened portion that the straight triangular prism body A (1) is located between two tri-prismoid B (2) is equipped with tri-prismoid C (3), institute Trigone cone B (5) and tri-prismoid C (3) is stated to correspond;The bottom surface of the tri-prismoid C (3) is with straight triangular prism body A's (1) Horizontal rectangular side is overlapped, the vertical rectangle sides weight of one of tri-prismoid C (3) vertical side and straight triangular prism body A (1) It closes.
2. a kind of anti-vortex device of pumping plant according to claim 1, which is characterized in that the straight triangular prism body A (1), Tri-prismoid B (2), tri-prismoid C (3), straight trigone cone A (4) and trigone cone B (5) welded by three pieces of stainless steel plates and At boring.
3. a kind of anti-vortex device of pumping plant according to claim 1, which is characterized in that the tri-prismoid B (2) it is upper The angle of bottom surface and horizontal plane is 45 °.
4. a kind of anti-vortex device of pumping plant according to claim 3, which is characterized in that the straight triangular prism body A (1) and The bottom surface of tri-prismoid B (2) is equilateral right angled triangle, and the 1/2 of a length of pump inlet width of right-angle side;Straight triangular prism body A (1) Height be equal to width of flow path;The height of tri-prismoid B (2) is equal to 2 times of pump inlet width.
5. a kind of anti-vortex device of pumping plant according to claim 4, which is characterized in that the straight trigone cone A (4) The long pyramid length in right angle is 2 times of pump inlet width, and short pyramid length is the 1/3 of width of flow path.
6. a kind of anti-vortex device of pumping plant according to claim 1, which is characterized in that the tri-prismoid C (3) and three Pyramid B (5) is one.
7. a kind of anti-vortex device of pumping plant according to claim 6, which is characterized in that the trigone cone B (5) is straight Trigone cone, the long pyramid length in right angle are 1.5 times of pump inlet width, and short pyramid length is the 1/3 of width of flow path.
8. a kind of anti-vortex device of pumping plant according to claim 6, which is characterized in that the bottom of the tri-prismoid C (3) Face is equilateral triangle, and side length is the 1/3 of width of flow path.
CN201610034674.2A 2016-01-19 2016-01-19 A kind of anti-vortex device of pumping plant Expired - Fee Related CN105697424B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610034674.2A CN105697424B (en) 2016-01-19 2016-01-19 A kind of anti-vortex device of pumping plant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610034674.2A CN105697424B (en) 2016-01-19 2016-01-19 A kind of anti-vortex device of pumping plant

Publications (2)

Publication Number Publication Date
CN105697424A CN105697424A (en) 2016-06-22
CN105697424B true CN105697424B (en) 2019-01-08

Family

ID=56226629

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610034674.2A Expired - Fee Related CN105697424B (en) 2016-01-19 2016-01-19 A kind of anti-vortex device of pumping plant

Country Status (1)

Country Link
CN (1) CN105697424B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109487896A (en) * 2018-11-28 2019-03-19 扬州大学 Utilize the Forebay of Pumping Station in trigone diversion column control whirlpool

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1131453A (en) * 1993-11-30 1996-09-18 Ksb股份公司 Device for preventing turbulence at pump inlets
JP3156200B2 (en) * 1989-09-15 2001-04-16 国立予防衛生研究所長 New HCV isolate
CN204570818U (en) * 2015-03-10 2015-08-19 扬州大学 A kind of closed intake pool Prevention and dissipation cone

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5928075A (en) * 1982-08-05 1984-02-14 Toshiba Corp Apparatus for preventing intrusion of air into pump
JPH07103879B2 (en) * 1989-11-14 1995-11-08 株式会社日立製作所 Vertical pump vortex shelter

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3156200B2 (en) * 1989-09-15 2001-04-16 国立予防衛生研究所長 New HCV isolate
CN1131453A (en) * 1993-11-30 1996-09-18 Ksb股份公司 Device for preventing turbulence at pump inlets
CN204570818U (en) * 2015-03-10 2015-08-19 扬州大学 A kind of closed intake pool Prevention and dissipation cone

Also Published As

Publication number Publication date
CN105697424A (en) 2016-06-22

Similar Documents

Publication Publication Date Title
CN204238189U (en) Water inlet disappears whirlpool device
CN105697424B (en) A kind of anti-vortex device of pumping plant
CN204662380U (en) A kind of bench spillway
CN104805809B (en) The Forebay of Pumping Station type of falling π dam fluidised form improves devices and methods therefor
CN209384207U (en) A kind of efficient bevel-type waterpower stilling pool slab
CN104818699A (en) 1/4 elliptic cone conical table eddy eliminating device and method for closed intake pool
CN104805797B (en) Forebay of Pumping Station inverted T shape dam fluidised form improves devices and methods therefor
CN106704269B (en) A kind of board-like racemization device mounted on water pump loudspeaker suction inlet
CN204645011U (en) One-sided Main Corridor road-horizontal gallery-topmast hole ship lock dispersed delivery system
CN107503330B (en) It is weak in hole to there is pressure is prominent to fall expansion type jet stream stilling pond energy-dissipating system
CN201581663U (en) Novel combined type vortex eliminating and preventing pump station intake sump
CN209323455U (en) Improve the special-shaped fairing of lateral intake Forebay of Pumping Station fluidised form
CN214783728U (en) Secondary energy dissipation well
CN204983021U (en) Compound intake pool that presses down whirlpool device in area bottom
CN205475435U (en) Novel pump station overhauls platform rectification and prevents whirlpool device
CN212129072U (en) Submerged energy dissipation pool for water conservancy system tail end
CN203978800U (en) A kind of water intake flow guide device of integrated pumping plant
CN105401616A (en) Underground special-shaped cover plate vortex suppression device and method for open type water inlet pool
CN206768930U (en) A kind of anti-whirlpool post vortex reducing means of closed intake pool rear wall
CN205382531U (en) Whirlpool device that disappears is lapped to open type intake pool dysmorphism under water
CN209227494U (en) A kind of open type pond elimination swirling device
CN205425879U (en) Be used for high -efficient closed circulation water system of clammy unit of 1000MW
CN105544475B (en) A kind of novel fabricated pumping plant inspection platform vortex reducing means and method
CN204781129U (en) Shielding formula current stabilizer
CN210602965U (en) Anti-bubble generation device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190108

Termination date: 20200119