CN215890482U - Shearing wheel with induction structure and anti-blocking centrifugal pump - Google Patents
Shearing wheel with induction structure and anti-blocking centrifugal pump Download PDFInfo
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- CN215890482U CN215890482U CN202122517359.4U CN202122517359U CN215890482U CN 215890482 U CN215890482 U CN 215890482U CN 202122517359 U CN202122517359 U CN 202122517359U CN 215890482 U CN215890482 U CN 215890482U
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- shearing
- impeller
- wheel
- pump
- induction structure
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- 238000010008 shearing Methods 0.000 title claims abstract description 76
- 230000006698 induction Effects 0.000 title claims abstract description 21
- 239000002245 particle Substances 0.000 description 23
- 239000007787 solid Substances 0.000 description 17
- 230000001939 inductive effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000010419 fine particle Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a shearing wheel with an induction structure and an anti-clogging centrifugal pump, which comprise a hollow cylindrical body, wherein a plurality of blades are spirally and uniformly distributed on the outer circumference of the body, one end of the body, which is positioned at the outlet side of the blades, is provided with a conical part which is contracted towards a port, a plurality of movable shearing blades are arranged on each blade, a main shaft is provided with the shearing wheel with the induction structure, the shearing wheel with the induction structure is positioned between a suction inlet and a suction channel, the tail end of the suction channel is provided with a fixed shearing body, and the fixed shearing body is provided with a fixed shearing blade which is matched with the movable shearing blade on the shearing wheel with the induction structure.
Description
Technical Field
The utility model relates to the technical field of centrifugal pumps, in particular to a shearing wheel with an induction structure and an anti-blocking centrifugal pump.
Background
In oil refining devices such as slurry bed residual oil hydrogenation devices and the like, a medium contains a large amount of solid particles with different particle sizes, and when a centrifugal pump is used for pumping the medium, in the operation process of the pump, if the solid particles with overlarge particle sizes are sucked by the pump and enter an impeller flow passage under the centrifugal force action of an impeller, the impeller flow passage is blocked, so that the operation of the centrifugal pump is unstable, and therefore, a device needs to be developed, wherein the particles can be sheared and crushed before entering the impeller, so that the particles with large particle sizes can be reduced to enter the impeller, and the impeller flow passage is prevented from being blocked.
Disclosure of Invention
The utility model aims to provide a shearing wheel with an induction structure and an anti-clogging centrifugal pump, wherein a suction inlet of an impeller is provided with the shearing wheel, a pump cover is provided with a shearing groove, the aim of chopping solid particles is achieved through the matching of the shearing wheel and the shearing groove, the shearing wheel adopts an axial flow type design, a plurality of steps are designed on a blade and rotate along with a shaft, the solid particles are thrown to the edge of the blade of the shearing wheel through centrifugal force, the shearing and crushing of the solid particles are completed through a movable shearing blade, a fixed shearing blade and the shearing groove, namely, the first cutting is performed through the matching of the movable shearing blade and the fixed shearing blade. When the solid particles which are not completely cut continuously flow along with the medium to the impeller direction, a circle of shearing groove and a dynamic shearing blade which are arranged on the pump cover form a second cutting, so that the large solid particles are thoroughly sheared into fine particles, and the problems in the prior art are solved.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a shear wheel of induced structure in area, includes the cylindrical body 1 that cavity set up, it is heliciform equipartition and is provided with a plurality of blades 2 to be on the outer circumference of body 1, lie in on the body 1 the one end of blade 2 outlet side is provided with the toper portion 204 to the port shrink, every all be provided with the dynamic shear sword of a plurality of step forms on the blade 2.
Further, a key groove 3 is arranged in the inner hole of the body 1.
An anti-clogging centrifugal pump comprises a pump body 4, a pump cover 5, an impeller 6 and a main shaft 7, wherein the main shaft 7 is rotatably arranged on the pump body 4, the impeller 6 is arranged on the main shaft 7, two pump covers 5 are respectively arranged on the pump body 4 and positioned at two ends of the impeller 6, an impeller flow channel 603 is arranged in the impeller 6, the impeller flow channel 603 comprises a suction inlet 601 and a throwing outlet 602, the discharge port 602 is communicated with the discharge-side flow passage 401 provided in the pump body 4, the pump cover 5 is provided with a suction passage 501, the suction inlet 601 is communicated with the suction channel 501, the main shaft 7 is provided with the shearing wheel with the induction structure, the shear wheel with inducing structure is located between the suction inlet 601 and the suction channel 501, the tail end of the suction channel 501 is provided with a fixed shearing body 502, and the fixed shearing body 502 is provided with a fixed shearing edge matched with the movable shearing edge on the shearing wheel with the induction structure.
Furthermore, shear grooves 5021 are uniformly distributed on the inner wall, close to the suction inlet 601, of the pump cover 5, and the shear grooves 5021 are parallel to the axis of the spindle 7.
The utility model has the beneficial effects that: the utility model provides a shearing wheel with an induction structure and an anti-clogging centrifugal pump, wherein a suction inlet of an impeller is provided with the shearing wheel with the induction structure, a pump cover is provided with a shearing groove, the aim of chopping solid particles is achieved through the matching of the shearing wheel and the pump cover, a plurality of blades are uniformly distributed on the shearing wheel in a spiral shape, namely, the shearing wheel adopts an axial flow type induction design, a plurality of step-shaped dynamic shearing blades are designed on the blades and rotate along with a shaft, the solid particles are thrown to the blade edges of the shearing wheel through centrifugal force, the shearing and crushing of the solid particles are completed through the dynamic shearing blades, the fixed shearing blades and the shearing groove, namely, the first cutting is performed through the matching of the dynamic shearing blades and the fixed shearing blades. When the solid particles which are not completely cut continue to flow along with the medium to the impeller direction, the circle of shearing groove and the movable shearing blade which are arranged on the pump cover form a second cutting, so that the large solid particles are thoroughly sheared into fine particles, the crushing efficiency is high, the anti-blocking effect is good, and the working stability and reliability of the pump are good.
Drawings
Fig. 1 is a perspective view of a shear wheel with an inducing structure according to the present invention.
FIG. 2 is a partial cross-sectional view of the anti-clogging centrifugal pump of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, a shear wheel with an induction structure includes a hollow cylindrical body 1, a plurality of blades 2 are uniformly disposed on the outer circumference of the body 1 in a spiral shape, a tapered portion 204 contracting towards a port is disposed at one end of the body 1 on the outlet side of the blade 2, each blade 2 is provided with a plurality of step-shaped dynamic shear blades, and each dynamic shear blade includes at least a first dynamic shear blade 201, a second dynamic shear blade 202, and a third dynamic shear blade 203 which are coaxial and arranged in a step shape.
Preferably, be provided with keyway 3 in the body 1 hole, specific body 1 and main shaft 7 assembly back, keyway 3 and the cooperation of the key 701 of installing on the main shaft, give body 1 with the power transmission of main shaft 7, and then drive blade 2 and rotate.
An anti-clogging centrifugal pump comprises a pump body 4, a pump cover 5, an impeller 6 and a main shaft 7, wherein the main shaft 7 is rotatably arranged on the pump body 4, the impeller 6 is arranged on the main shaft 7, the pump cover 5 is provided with two impeller flow passages 603 which are respectively arranged on the pump body 4 and positioned at two ends of the impeller 6, the impeller flow passages 603 are arranged in the impeller 6, each impeller flow passage 603 comprises a suction inlet 601 and a throwing outlet 602, the throwing outlet 602 is communicated with a discharge side flow passage 401 arranged in the pump body 4, the pump cover 5 is provided with a suction passage 501, the suction inlets 601 are communicated with the suction passage 501, the main shaft 7 is provided with the shear wheel with the inducing structure, the shear wheel with the inducing structure is positioned between the suction inlet 601 and the suction passage 501, the tail end of the suction passage 501 is provided with a fixed shear body 502, the fixed shear body 502 is provided with a fixed shear blade matched with a movable shear blade on the shear wheel with the inducing structure, and the specific fixed shear blade comprises a second fixed shear blade 5022 and a third fixed shear blade 5023 which are arranged in a step shape, here, the second stationary cutting edge 5022 is fitted with the second dynamic cutting edge 202, and the third stationary cutting edge 5023 is fitted with the third dynamic cutting edge 203.
Preferably, the pump cover 5 is uniformly provided with shearing grooves 5021 on the inner wall close to the suction port 601, the shearing grooves 5021 are parallel to the axis of the spindle 7, and the first dynamic shearing blade 201 and the shearing grooves 5021 are arranged.
The utility model provides a shearing wheel with an induction structure and an anti-clogging centrifugal pump, wherein a suction inlet 601 of an impeller 6 is provided with the shearing wheel with the induction structure, a pump cover 5 is provided with a shearing groove 5021, the aim of chopping solid particles is achieved through the matching of the shearing wheel and the pump cover, a plurality of blades 2 are spirally and uniformly distributed on the shearing wheel, namely, the shearing wheel adopts an axial flow induction design, a plurality of step-shaped dynamic shearing blades are designed on the blades 2 and rotate along with a shaft, the solid particles are thrown to the edges of the blades 2 of the shearing wheel through centrifugal force, the shearing and crushing of the solid particles are completed through the dynamic shearing blades, the fixed shearing blades and the shearing grooves, namely, the second dynamic shearing blades 202 are matched with the second fixed shearing blades 5022, and the third dynamic shearing blades 203 are matched with the third fixed shearing blades 5023 to cut the fixed particles for the first time. When the solid particles which are not completely cut continuously flow along with the medium to the impeller 6 and enter the regions of the shearing groove 5021 and the first dynamic shearing blade 201, the circle of shearing groove 5021 and the first dynamic shearing blade 201 which are arranged on the pump cover 5 form a second cutting, so that the large solid particles are thoroughly sheared into fine particles, the crushing efficiency is high, the anti-blocking effect is good, and the working stability and reliability of the pump are good
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "inner", "both ends", "bottom", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a shearing wheel of induced structure in area which characterized in that: cylindrical body (1) including the cavity setting, it is spiral heliciform equipartition and is provided with a plurality of blades (2) to be on the outer circumference of body (1), lie in on body (1) the one end of blade (2) outlet side is provided with tapered portion (204) to the port shrink, every all be provided with the dynamic shear sword of a plurality of step forms on blade (2).
2. A shear wheel with an induction structure according to claim 1, wherein: a key groove (3) is formed in an inner hole of the body (1).
3. The utility model provides a prevent blockking up centrifugal pump, includes the pump body (4), pump cover (5), impeller (6), main shaft (7) rotatable install on the pump body (4), impeller (6) are installed on main shaft (7), pump cover (5) have two to be installed respectively on the pump body (4) and be located impeller (6) both ends, be equipped with impeller runner (603) in impeller (6), impeller runner (603) are including sunction inlet (601) and throw away mouthful (602), throw away mouth (602) and locate spit out side runner (401) intercommunication in the pump body (4), be equipped with suction channel (501) on pump cover (5), sunction inlet (601) with suction channel (501) intercommunication, its characterized in that: the main shaft (7) is provided with a cutting wheel with an induction structure according to claim 1, the cutting wheel with the induction structure is located between the suction port (601) and the suction channel (501), the tail end of the suction channel (501) is provided with a fixed cutting body (502), and the fixed cutting body (502) is provided with a fixed cutting edge matched with the movable cutting edge on the cutting wheel with the induction structure.
4. An anti-clogging centrifugal pump according to claim 3, characterized in that: and shearing grooves (5021) are uniformly distributed on the inner wall, close to the suction inlet (601), of the pump cover (5), and the shearing grooves (5021) are parallel to the axis of the main shaft (7).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122517359.4U CN215890482U (en) | 2021-10-20 | 2021-10-20 | Shearing wheel with induction structure and anti-blocking centrifugal pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122517359.4U CN215890482U (en) | 2021-10-20 | 2021-10-20 | Shearing wheel with induction structure and anti-blocking centrifugal pump |
Publications (1)
Publication Number | Publication Date |
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CN215890482U true CN215890482U (en) | 2022-02-22 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202122517359.4U Active CN215890482U (en) | 2021-10-20 | 2021-10-20 | Shearing wheel with induction structure and anti-blocking centrifugal pump |
Country Status (1)
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CN (1) | CN215890482U (en) |
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2021
- 2021-10-20 CN CN202122517359.4U patent/CN215890482U/en active Active
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