CN204419710U - The anti-whirlpool flow guide device of a kind of pump sump - Google Patents

The anti-whirlpool flow guide device of a kind of pump sump Download PDF

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Publication number
CN204419710U
CN204419710U CN201420821342.5U CN201420821342U CN204419710U CN 204419710 U CN204419710 U CN 204419710U CN 201420821342 U CN201420821342 U CN 201420821342U CN 204419710 U CN204419710 U CN 204419710U
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China
Prior art keywords
plate
baffle
pump sump
center
mouth
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Active
Application number
CN201420821342.5U
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Chinese (zh)
Inventor
成占华
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JIANGSU HUADA DRAINAGE TECHNOLOGY Co Ltd
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JIANGSU HUADA DRAINAGE TECHNOLOGY Co Ltd
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Priority to CN201420821342.5U priority Critical patent/CN204419710U/en
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Abstract

The utility model discloses the anti-whirlpool flow guide device of a kind of pump sump, comprise baffle upper plate, the structure shape of described baffle upper plate is spherical shape to lower recess or conical surface-shaped, the center of the baffle upper plate of this spherical shape or conical surface-shaped is provided with flanged surface, and the center of this flanged surface offers pump sump mouth; The below of described baffle upper plate is provided with lower horizontal guide plate, is provided with multiple directing vane between this lower horizontal guide plate and baffle upper plate; Described directing vane with pump sump mouth axis for equal angles interval, the center of circle annular arranged.The utility model structure is simple, and design ingenious, using effect is good, can effectively prevent from producing whirlpool during pumping for water pump, and can reduce the depth of immersion needed for pump sump mouth.

Description

The anti-whirlpool flow guide device of a kind of pump sump
Technical field
The utility model relates to a kind of anti-whirlpool flow guide device, more particularly, relates to the anti-whirlpool flow guide device of a kind of pump sump.
Background technique
As everyone knows, the flowing of any real fluid all has two kinds of nowed formings, i.e. turbulent flow and laminar flow.The flow shape of the water sucking mouth of water pump suction pipe is generally in turbulent condition, and current can form little whirlpool one by one, and the pressure in whirlpool center portion is lower, easily by air intake, one denier air enters water pump suction pipe, will increase the resistance of conveyance conduit, and produces cavitation erosion to water pump vane.At present for solving this problem, the general method adopting reduction water sucking mouth water velocity, the 1.3-1.8 mainly extend outward water sucking mouth to suction sleeve diameter doubly forms horn mouth, during use, the height of horn mouth distance pond (water tank) bottom is greater than suction sleeve diameter, and the lowest water level of pond (water tank) needs exceed horn mouth 1.5-2.0 suction sleeve diameter height and be not less than 0.5 meter, therefore, bottom, pond (water tank) must retain the depth of water region of 2.0-3.0 suction sleeve diameter height as water suction zone of protection, the volume of this water suction zone of protection cannot be utilized.
Summary of the invention
1. the model utility technical problem that will solve
The purpose of this utility model is to overcome above-mentioned deficiency, provide the anti-whirlpool flow guide device of a kind of pump sump, adopt the technical solution of the utility model, structure is simple, design ingenious, using effect is good, the generation of eddy current when preventing pumping for water pump by forming multiple guide channel, and can reduce the depth of immersion needed for pump sump mouth.
2. technological scheme
For achieving the above object, the technological scheme that the utility model provides is:
The anti-whirlpool flow guide device of a kind of pump sump of the present utility model, it is characterized in that: comprise baffle upper plate, the structure shape of described baffle upper plate is spherical shape to lower recess or conical surface-shaped, the center of the baffle upper plate of this spherical shape or conical surface-shaped is provided with flanged surface, and the center of this flanged surface offers pump sump mouth; The below of described baffle upper plate is provided with lower horizontal guide plate, is provided with multiple directing vane between this lower horizontal guide plate and baffle upper plate; Be provided with angle between described directing vane and baffle upper plate, this angle is greater than 0 ° and is equal to or less than 90 °, and multiple directing vane with pump sump mouth axis for interval, the center of circle annular arranged.
Further, described multiple directing vanes with pump sump mouth axis for equal angles interval, the center of circle annular arranged.
3. beneficial effect
The technological scheme adopting the utility model to provide, compared with existing known technology, has following beneficial effect:
(1) the anti-whirlpool flow guide device of a kind of pump sump of the present utility model, the structure shape of its baffle upper plate is spherical shape to lower recess or conical surface-shaped, the center of the baffle upper plate of this spherical shape or conical surface-shaped is provided with flanged surface, the center of this flanged surface offers pump sump mouth, the below of baffle upper plate is provided with lower horizontal guide plate, multiple directing vane is provided with between this lower horizontal guide plate and baffle upper plate, angle is provided with between this directing vane and baffle upper plate, this angle is greater than 0 ° and is equal to or less than 90 °, and multiple directing vane 2 with pump sump mouth 11 axis for interval, the center of circle annular arranged, baffle upper plate, lower horizontal guide plate and the directing vane be arranged between lower horizontal guide plate and baffle upper plate form multiple guide channel, by changing the direction of a stream of water and water velocity, the generation of eddy current when effectively preventing water pump from drawing water in water tank, and the depth of immersion that can reduce needed for pump sump mouth, and due to the structure shape of baffle upper plate be spherical shape to lower recess or conical surface-shaped, make more not easily to produce whirlpool,
(2) the anti-whirlpool flow guide device of a kind of pump sump of the present utility model, its structure is simple, design ingenious, and using effect is good.
Accompanying drawing explanation
Fig. 1 is the structural representation of the anti-whirlpool flow guide device of a kind of pump sump of the present utility model;
Fig. 2 is the sectional view of the anti-whirlpool flow guide device of a kind of pump sump of the present utility model.
Label declaration in schematic diagram: 1, baffle upper plate; 11, pump sump mouth; 2, directing vane; 3, lower horizontal guide plate.
Embodiment
For understanding content of the present utility model further, in conjunction with the accompanying drawings and embodiments the utility model is described in detail.
Embodiment
Composition graphs 1 and Fig. 2, the anti-whirlpool flow guide device of a kind of pump sump of the present embodiment, comprise baffle upper plate 1, the structure shape of baffle upper plate 1 is spherical shape to lower recess or conical surface-shaped, the center of the baffle upper plate 1 of this spherical shape or conical surface-shaped is provided with flanged surface, and the center of this flanged surface offers pump sump mouth 11, the below of baffle upper plate 1 is provided with lower horizontal guide plate 3, multiple directing vane 2 is provided with between this lower horizontal guide plate 3 and baffle upper plate 1, angle is provided with between directing vane 2 and baffle upper plate 1, this angle is being greater than 0 ° and is being equal to or less than between 90 °, and multiple directing vane 2 with pump sump mouth 11 axis for interval, the center of circle annular arranged, in the present embodiment, directing vane 2 is provided with eight, the angle be provided with between this directing vane 2 and baffle upper plate 1 is 90 °, these eight directing vanes 2 with pump sump mouth 11 axis for equal angles interval, the center of circle annular arranged, structure is simple, design ingenious, and using effect is good, baffle upper plate 1, lower horizontal guide plate 3 and the directing vane 2 be arranged between lower horizontal guide plate 1 and baffle upper plate 3 form multiple heavy caliber enter small-bore go out guide channel, by changing the direction of a stream of water and water velocity, the generation of eddy current when effectively preventing water pump from drawing water in water tank, and the depth of immersion that can reduce needed for pump sump mouth, and due to the structure shape of baffle upper plate 1 be spherical shape to lower recess or conical surface-shaped, therefore, it is possible to form larger water intake and less water outlet, make more not easily to produce whirlpool.
By flanged surface and suction sleeve Flange joint during use, structure is simple, easy for installation.
The anti-whirlpool flow guide device of a kind of pump sump of the present utility model, structure is simple, and design ingenious, using effect is good, can effectively prevent from producing whirlpool during pumping for water pump, and can reduce the depth of immersion needed for pump sump mouth.
Schematically above be described the utility model and mode of execution thereof, this description does not have restricted, and also just one of the mode of execution of the present utility model shown in accompanying drawing, actual structure is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from the utility model and creating aim, design the mode of structure similar to this technological scheme and embodiment without creationary, protection domain of the present utility model all should be belonged to.

Claims (2)

1. the anti-whirlpool flow guide device of pump sump, it is characterized in that: comprise baffle upper plate (1), the structure shape of described baffle upper plate (1) is spherical shape to lower recess or conical surface-shaped, the center of the baffle upper plate (1) of this spherical shape or conical surface-shaped is provided with flanged surface, and the center of this flanged surface offers pump sump mouth (11); The below of described baffle upper plate (1) is provided with lower horizontal guide plate (3), is provided with multiple directing vane (2) between this lower horizontal guide plate (3) and baffle upper plate (1); Angle is provided with between described directing vane (2) and baffle upper plate (1), this angle is greater than 0 ° and is equal to or less than 90 °, and multiple directing vane (2) is interval, center of circle annular arranged with pump sump mouth (11) axis.
2. the anti-whirlpool flow guide device of a kind of pump sump according to claim 1, is characterized in that: described multiple directing vanes (2) are equal angles interval, center of circle annular arranged with pump sump mouth (11) axis.
CN201420821342.5U 2014-12-22 2014-12-22 The anti-whirlpool flow guide device of a kind of pump sump Active CN204419710U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420821342.5U CN204419710U (en) 2014-12-22 2014-12-22 The anti-whirlpool flow guide device of a kind of pump sump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420821342.5U CN204419710U (en) 2014-12-22 2014-12-22 The anti-whirlpool flow guide device of a kind of pump sump

Publications (1)

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CN204419710U true CN204419710U (en) 2015-06-24

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106759667A (en) * 2016-11-18 2017-05-31 武汉大学 Packaged type pumping plant intake pool vortex reducing means
CN107175538A (en) * 2016-03-09 2017-09-19 株式会社迪思科 Water container
CN109306973A (en) * 2018-09-19 2019-02-05 西北工业大学 A kind of spiral case with multilayer guide vane structure for kitchen ventilator

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107175538A (en) * 2016-03-09 2017-09-19 株式会社迪思科 Water container
CN106759667A (en) * 2016-11-18 2017-05-31 武汉大学 Packaged type pumping plant intake pool vortex reducing means
CN106759667B (en) * 2016-11-18 2020-01-24 武汉大学 Movable vortex-eliminating device for water inlet pool of pump station
CN109306973A (en) * 2018-09-19 2019-02-05 西北工业大学 A kind of spiral case with multilayer guide vane structure for kitchen ventilator

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