CN203783967U - Multi-hole inflow cylindrical water inlet structure of submersible pump - Google Patents

Multi-hole inflow cylindrical water inlet structure of submersible pump Download PDF

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Publication number
CN203783967U
CN203783967U CN201420157282.1U CN201420157282U CN203783967U CN 203783967 U CN203783967 U CN 203783967U CN 201420157282 U CN201420157282 U CN 201420157282U CN 203783967 U CN203783967 U CN 203783967U
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CN
China
Prior art keywords
collecting chamber
water inlet
submersible pump
arc
cone
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
CN201420157282.1U
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Chinese (zh)
Inventor
杨帆
刘超
周济人
罗灿
茌国丽
陈锋
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Yangzhou University
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Yangzhou University
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Priority to CN201420157282.1U priority Critical patent/CN203783967U/en
Application granted granted Critical
Publication of CN203783967U publication Critical patent/CN203783967U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A multi-hole inflow cylindrical water inlet structure of a submersible pump belongs to the technical field of water conservancy and water power engineering. The multi-hole inflow cylindrical water inlet structure comprises a collecting chamber, an arc vortex eliminating cone, rectification plates and a dirt stopping grid, wherein the collecting chamber with a rectangular section is provided with a water inlet and a water outlet, and the bottom of the collecting chamber is of a symmetric arc inverted-arch structure. The distance between the center of the water inlet and the bottom of the collecting chamber is 1/2to 3/4 times of the height of the collecting chamber, and the arc vortex eliminating cone, the rectification plates and dirt stopping grids are fixed in the collecting chamber under the water inlet. The arc vortex eliminating cone is an arc cone, and the bottom shape line of the arc cone is identical with that of the collecting chamber. The rectification plates are solid plate identical in thickness, and are fixed in the internal face of the collecting chamber. The dirt stopping grid has a circular hollow-out structure, and is arranged on the upper portion of the rectification plates. The multi-hole inflow cylindrical water inlet structure is suitable for various vertical type submersible pumps, realizes the purpose of multi-hole inflow, eliminates inner vortex strip of the water inlet structure and effectively prevents deposition of foreign materials. The multi-hole inflow cylindrical water inlet structure improves the operation efficiency and operation stability of the submersible pump.

Description

The porous of the submersible pump cylindricality water inlet structure that becomes a mandarin
Technical field
The utility model relates to a kind of water inlet structure form of pumping plant, relates in particular to the water inlet structure of vertical type diving pump, belongs to Hydraulic and Hydro-Power Engineering technical field.
Background technique
Submersible pump unit consists of submersible pump, water inlet structure and water flowing out structure three parts.At present, the water inlet structure of submersible pump unit is mainly into the single box-structure of flow path direction, and water flowing out structure is mainly circular outlet conduit.In box water inlet structure, easily produce whirlpool band, affect hydraulic efficiency and the operation stability of submersible pump, the working life of reducing submersible pump.Enter box water inlet structure that flow path direction is single and cannot meet and have the multidirectional submersible pump unit designing requirement becoming a mandarin, and in traditional box water inlet structure, easily cause the deposition of the foreign material such as weeds, domestic garbage in water, even stop up the impeller inlet of submersible pump.Box water inlet structure internal flow state is disorderly, easily causes the decline of submersible pump hydraulic efficiency, thereby affects working life and the operational reliability of submersible pump.
Model utility content
The purpose of this utility model is exactly the problem existing for above-mentioned prior art, a kind of multidirectional novel cylindricality pump-unit water inlet structure becoming a mandarin that possesses is provided, the traditional box water inlet structure that solves submersible pump unit without the multidirectional function that becomes a mandarin, box water inlet structure internal flow state is disorderly and easily produce the problem of whirlpool band, reach to meet the multidirectional designing requirement becoming a mandarin of submersible pump unit, eliminate the inner whirlpool of water inlet structure band, improve the object of submersible pump unit hydraulic efficiency and submersible pump operation stability.
The purpose of this utility model is to realize by traditional water inlet structure of submersible pump being improved to design, the porous of the submersible pump cylindricality water inlet structure that becomes a mandarin, comprise collecting chamber, arc disappear whirlpool cone, current plate, block dirty lattice, collecting chamber is provided with water intake, it is characterized in that, described collecting chamber is rectangular cross section, and collecting chamber bottom is symmetrical arc antiarch structure; Described water intake is arranged on the chamber wall of collecting chamber, and water intake centre distance collecting chamber distance from bottom is 1/2 ~ 3/4 times of collecting chamber height; Described arc disappear whirlpool cone, current plate, block dirty lattice setting and be fixed in the collecting chamber below water intake; Described arc disappears whirlpool cone for arc cone, and the bottom shape line of arc cone is identical with collecting chamber bottom shape line; Described current plate is the real plate of equal thickness, is fixed on the internal face of collecting chamber; Described to block dirty lattice be circular Pierced structure, blocks dirty lattice and be arranged on current plate top, is connected and fixed respectively with collecting chamber inwall and current plate.
It between adjacent chamber's wall of described collecting chamber, is arc transition connection.
Described water intake section is circular, and the quantity of water intake is 2 ~ 4.
The section of described arc cone is connected and is formed by three sections of camber lines, the ellipse that camber line is 1/4th or variable curvature line.
Described arc cone is axially symmetric structure.
The thickness of described current plate is 10.0 ~ 20.0 cm, and length is 7/20 ~ 2/5 times of collecting chamber height, and width is 3/25 ~ 3/20 times of collecting chamber width, and quantity is even-even.
Described current plate is made by metal or Reinforced Concrete Materials, the internal face connecting part smooth transition of current plate and collecting chamber.
Described circular Pierced structure be between interior annulus and outer toroid hollow out to reticulate or adopt tinsel to be welded into netted, the outlet pipe physical dimension of interior circle diameter and submersible pump matches, outer toroid diameter equates with the inner clear span of collecting chamber.
Described collecting chamber, arc disappear, and bore in whirlpool, current plate is formed by metal or Reinforced Concrete Materials manufacture.
Described water outlet is arranged on collecting chamber top, and the outlet pipe physical dimension of water outlet diameter and submersible pump matches.
The utility model is rational in infrastructure simple, processing and fabricating is easy for installation, be convenient to extensive enforcement, be applicable to all types of vertical type diving pumps, can reach the object that porous became a mandarin, eliminated the interior whirlpool band of water inlet structure and effectively stops foreign material deposition, improve the operational efficiency of submersible pump, increase submersible pump operation stability.
Accompanying drawing explanation
Fig. 1 is facade structures schematic diagram of the present utility model.
Fig. 2 a is A-A cross-sectional configuration schematic diagram in Fig. 1.
Fig. 2 b is B-B cross-sectional configuration schematic diagram in Fig. 1.
Fig. 3 is the structural representation of current plate of the present utility model.
Fig. 4 is the disappear structural representation of whirlpool cone of arc of the present utility model.
Fig. 5 is the plane structure schematic diagram that blocks dirty lattice of the present utility model.
Fig. 6 is that the utility model is used view.
In figure: disappear whirlpool cone of 1 arc; 2 current plates; 3 block dirty lattice; 4 collecting chambers; 5 water intakes; 6 water outlets; 7 submersible pumps.
Embodiment
The porous of the submersible pump cylindricality water inlet structure that becomes a mandarin, by collecting chamber 4, arc disappear whirlpool cone 1, current plate 2, block dirty lattice 3 and water intake 5, water outlet 6 etc. form, collecting chamber 4 is rectangular cross section, collecting chamber 4 bottoms are symmetrical arc antiarch structure.Collecting chamber 4 adopts metal or reinforced concrete manufacture to form, and should guarantee that the adjacent wall of collecting chamber 4 (chamber wall) adopts arc transition to connect, according to the reserved water intake of designing requirement and water outlet in manufacture process.Water intake is arranged on the chamber wall of collecting chamber, water intake 5 sections are circular, the quantity of water intake 5 is 2 ~ 4, water intake 5 centre distance collecting chamber 4 distances from bottom are 1/2 ~ 3/4 times of collecting chamber 4 height, water outlet 6 is arranged on collecting chamber 4 tops, and the outlet pipe physical dimension of water outlet 6 diameters and submersible pump matches.Arc disappear whirlpool cone 1, current plate 2, block dirty lattice 3 and arrange and be fixed in the collecting chamber 4 of water intake below 5.
Arc disappears whirlpool cone 1 for arc cone, adopts metal or Reinforced Concrete Materials manufacture to form, and the bottom shape line of arc cone is identical with collecting chamber bottom shape line.The section of arc cone is connected and is formed by three sections of camber lines, the ellipse that camber line is 1/4th or variable curvature line.
The real plate that current plate 2 is equal thickness, is fixed on the internal face of collecting chamber 4.Current plate 2 thickness are 10.0 ~ 20.0cm, length is 7/20 ~ 2/5 times of collecting chamber 4 height, width is 3/25 ~ 3/20 times of collecting chamber 4 width, quantity is even-even, adopt metal or Reinforced Concrete Materials manufacture to form, current plate 2 is connected with the internal face connecting part smooth transition of collecting chamber 4.
Blocking dirty lattice 3 is circular Pierced structure, global shape is annulus, inner circle (interior annulus) diameter is determined (the outlet pipe physical dimension of interior circle diameter and submersible pump matches) according to the installation physical dimension of submersible pump, cylindrical (outer toroid) diameter equates with the inner clear span of collecting chamber 4, employing tinsel is welded, and tinsel can adopt equidistantly or unequal-interval welding.

Claims (10)

1. the porous of the submersible pump cylindricality water inlet structure that becomes a mandarin, comprise collecting chamber, arc disappear whirlpool cone, current plate, block dirty lattice, collecting chamber is provided with water intake and water outlet, it is characterized in that, described collecting chamber is rectangular cross section, collecting chamber bottom is symmetrical arc antiarch structure; Described water intake is arranged on the chamber wall of collecting chamber, and water intake centre distance collecting chamber distance from bottom is 1/2 ~ 3/4 times of collecting chamber height; Described arc disappear whirlpool cone, current plate, block dirty lattice setting and be fixed in the collecting chamber below water intake; Described arc disappears whirlpool cone for arc cone, and the bottom shape line of arc cone is identical with collecting chamber bottom shape line; Described current plate is the real plate of equal thickness, is fixed on the internal face of collecting chamber; Described to block dirty lattice be circular Pierced structure, blocks dirty lattice and be arranged on current plate top, is connected and fixed respectively with collecting chamber inwall and current plate.
2. the porous of the submersible pump according to claim 1 cylindricality water inlet structure that becomes a mandarin, is characterized in that, is that arc transition connects between adjacent chamber's wall of described collecting chamber.
3. the porous of the submersible pump according to claim 1 cylindricality water inlet structure that becomes a mandarin, is characterized in that, described water intake section is circular, and the quantity of water intake is 2 ~ 4.
4. the porous of the submersible pump according to claim 1 cylindricality water inlet structure that becomes a mandarin, is characterized in that, the section of described arc cone is connected and is formed by three sections of camber lines, the ellipse that camber line is 1/4th or variable curvature line.
5. the porous of the submersible pump according to claim 1 cylindricality water inlet structure that becomes a mandarin, is characterized in that, described arc cone is axially symmetric structure.
6. the porous of the submersible pump according to claim 1 cylindricality water inlet structure that becomes a mandarin, it is characterized in that, the thickness of described current plate is 10.0 ~ 20.0 cm, and length is 7/20 ~ 2/5 times of collecting chamber height, width is 3/25 ~ 3/20 times of collecting chamber width, and quantity is even-even.
7. the porous of the submersible pump according to claim 1 cylindricality water inlet structure that becomes a mandarin, is characterized in that, described current plate is made by metal or Reinforced Concrete Materials, the internal face connecting part smooth transition of current plate and collecting chamber.
8. the porous of the submersible pump according to claim 1 cylindricality water inlet structure that becomes a mandarin, it is characterized in that, described circular Pierced structure be between interior annulus and outer toroid hollow out to reticulate or adopt tinsel to be welded into netted, the outlet pipe physical dimension of interior circle diameter and submersible pump matches, and outer toroid diameter equates with the inner clear span of collecting chamber.
9. the porous of the submersible pump according to claim 1 cylindricality water inlet structure that becomes a mandarin, is characterized in that, disappear whirlpool cone, current plate of described collecting chamber, arc formed by metal or Reinforced Concrete Materials manufacture.
10. the porous of the submersible pump according to claim 1 cylindricality water inlet structure that becomes a mandarin, is characterized in that, described water outlet is arranged on collecting chamber top, and the outlet pipe physical dimension of water outlet diameter and submersible pump matches.
CN201420157282.1U 2014-04-02 2014-04-02 Multi-hole inflow cylindrical water inlet structure of submersible pump Expired - Fee Related CN203783967U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420157282.1U CN203783967U (en) 2014-04-02 2014-04-02 Multi-hole inflow cylindrical water inlet structure of submersible pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420157282.1U CN203783967U (en) 2014-04-02 2014-04-02 Multi-hole inflow cylindrical water inlet structure of submersible pump

Publications (1)

Publication Number Publication Date
CN203783967U true CN203783967U (en) 2014-08-20

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CN201420157282.1U Expired - Fee Related CN203783967U (en) 2014-04-02 2014-04-02 Multi-hole inflow cylindrical water inlet structure of submersible pump

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109235626A (en) * 2018-10-31 2019-01-18 扬州大学 Special-shaped thin board type eliminates reflux unit in a kind of box type bidirectional runner

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109235626A (en) * 2018-10-31 2019-01-18 扬州大学 Special-shaped thin board type eliminates reflux unit in a kind of box type bidirectional runner
CN109235626B (en) * 2018-10-31 2021-05-18 扬州大学 Box-type bidirectional runner with built-in special-shaped thin plate type backflow eliminating device

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Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140820

Termination date: 20170402

CF01 Termination of patent right due to non-payment of annual fee