CN217682465U - Slurry pump with cavitation-reducing function - Google Patents
Slurry pump with cavitation-reducing function Download PDFInfo
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- CN217682465U CN217682465U CN202221336086.1U CN202221336086U CN217682465U CN 217682465 U CN217682465 U CN 217682465U CN 202221336086 U CN202221336086 U CN 202221336086U CN 217682465 U CN217682465 U CN 217682465U
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Abstract
The utility model relates to a sediment stuff pump technical field's a sediment stuff pump with reduce cavitation and produce function, including the pump body, one side of the pump body is equipped with the inlet pipe, and the inner wall of inlet pipe rotates and is connected with the current-limiting plate, and the one end of current-limiting plate rotates and is connected with the connecting rod, and the surface of inlet pipe runs through there is the seal cover, connecting rod and seal cover sliding connection, and the one end of connecting rod is equipped with electric putter. The double impellers can effectively reduce the frequency and the lowest pressure point, prevent cavitation erosion during the operation of the pump body, the telescopic end of the electric push rod extends out, the flow limiting plate is driven by the connecting rod and the movable shaft to rotate on the rotating shaft, the size of the inner diameter of the feeding pipe can be changed by the flow limiting plate, the flow of stone is changed, a user can change the size of the inner diameter of the feeding pipe according to the using state, the inlet area of the impeller and the width of the inlet edge are increased, and cavitation erosion can be effectively prevented.
Description
Technical Field
The utility model relates to a sediment stuff pump technical field especially relates to a sediment stuff pump with reduce cavitation and produce function.
Background
The slurry pump is one kind of centrifugal pump, is widely used in mine, electric power, metallurgy, coal, environmental protection and other industries, and is a special device for conveying abrasive solid particles or sludge. According to statistics, about 80% of slurry pumps are used in the mine industry, because the slurry pumps have severe working environment in the process of conveying slag and slurry, slag particles are large in conveyed slurry fluid, the impact force is strong, the fluid has high lift, large flow and large workload, the cavitation phenomenon of the slurry pumps means that when the installation height of the slurry pumps is increased, the pressure in the pumps is reduced, the lowest point of the pressure in the pumps is generally positioned at a position later than an inlet of an impeller and a blade, and the slurry rushes from the periphery to the center of a bubble at a high speed to generate impact with high frequency and high instantaneous pressure, which is called as the cavitation phenomenon.
The existing equipment cannot increase the inlet area of an impeller and the width of an inlet edge when in use, so that the pressure in the pump is reduced, the lowest point of the pressure in the pump is generally positioned at the position later than the inlet of the impeller and a blade, and ore pulp rushes to the center of bubbles from the periphery at a high speed to generate impact with high frequency and high instantaneous pressure, so that cavitation erosion is caused.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a sediment stuff pump with reduce cavitation and produce function for reaching the width on increase impeller entrance area and inlet limit, prevents the mesh that cavitation took place.
The technical scheme of the utility model is that:
the utility model provides a sediment stuff pump with reduce cavitation and produce function, includes the pump body, one side of the pump body is equipped with the inlet pipe, the inner wall of inlet pipe rotates and is connected with the restrictor plate, the one end of restrictor plate rotates and is connected with the connecting rod, the surface of inlet pipe runs through there is the seal cover, connecting rod and seal cover sliding connection, the one end of connecting rod is equipped with electric putter.
The working principle of the technical scheme is as follows:
the telescopic end of the electric push rod acts, the flow limiting plate is driven by the connecting rod and the movable shaft to rotate on the rotating shaft, the flow limiting plate changes the size of the inner diameter of the feeding pipe, the flow of the slurry is changed, the size of the inner diameter of the feeding pipe can be changed according to the using state of equipment, the inlet area of the impeller and the width of the inlet edge are increased, and cavitation can be effectively prevented.
In a further technical scheme, the inner wall fixedly connected with pivot of inlet pipe, the pivot is connected with the restrictor plate rotation.
The flow limiting plate rotates on the rotating shaft, the rotation of the flow limiting plate can be limited through the arrangement, the structure is more stable, larger pressure can be borne, and the technical problem that the inlet width cannot be adjusted in the prior art is solved.
In a further technical scheme, a groove is formed in the outer surface of the flow limiting plate, a movable shaft is rotatably connected to the inner surface of the groove, and the outer surface of the movable shaft is fixedly connected with a connecting rod.
The loose axle can provide sufficient holding power for connecting rod and restrictor plate, makes its work more stable, has solved the technical problem that can't adjust the import width among the prior art.
In a further technical scheme, one end of the connecting rod is fixedly connected with a connecting seat, and one end of the connecting seat is fixedly connected with the telescopic end of the electric push rod.
The connecting seat can provide sufficient holding power for electric putter, makes its work more stable, and more smoothness has solved the technical problem that can't adjust the import width among the prior art.
In a further technical scheme, the outer fixed surface of the pump body is connected with a fixed seat, the outer fixed surface of the fixed seat is connected with a movable seat, and the outer surface of the movable seat is rotatably connected with the fixed end of the electric push rod.
The fixing seat is fixed with the pump body, so that the electric push rod has enough supporting force, can normally work, and solves the technical problem that the inlet width cannot be adjusted in the prior art.
In a further technical scheme, the inner cavity of the pump body is rotatably connected with a double impeller, and the outer surface of the double impeller is provided with an anti-cavitation coating.
The double impellers can effectively reduce the frequency and the lowest pressure point, prevent the pump body from generating cavitation during working, and solve the technical problem that the width of an inlet cannot be adjusted in the prior art.
In a further technical scheme, the outer surface of the pump body is fixedly connected with a discharge pipe, and the discharge pipe corresponds to the middle of the double-impeller.
The discharging pipe corresponds to the middle part of the double-impeller, so that the discharging of equipment can be facilitated, and the technical problem that the inlet width cannot be adjusted in the prior art is solved.
The utility model has the advantages that:
1. the flow limiting plate rotates on the rotating shaft, the size of the inner diameter of the feeding pipe can be changed by changing the angle of the flow limiting plate, so that the flow of stone and the pressure inside the equipment are changed, a user can change the size of the inner diameter of the feeding pipe according to the using state, the inlet area of the impeller and the width of the inlet edge are increased, and cavitation can be effectively prevented;
2. the double-impeller can effectively reduce the frequency and the lowest pressure point, and prevent the pump body from generating cavitation during working, so that equipment is prevented from being damaged, property loss is caused, and the normal use of the equipment is prevented from being influenced.
Drawings
Fig. 1 is a schematic three-dimensional structure of the present invention;
fig. 2 is a schematic side view of the present invention;
fig. 3 is a schematic structural view of the dual impeller of the present invention;
fig. 4 is a schematic structural view of the connecting rod of the present invention.
Description of reference numerals:
1. a pump body; 2. a discharge pipe; 3. a fixed seat; 4. a movable seat; 5. an electric push rod; 6. a connecting seat; 7. sealing sleeves; 8. a feed pipe; 9. a restrictor plate; 10. a rotating shaft; 11. a double impeller; 12. a movable shaft; 13. a groove; 14. a connecting rod.
Detailed Description
The embodiments of the present invention will be further explained with reference to the drawings.
Example 1
As shown in fig. 1-4, the utility model provides a sediment stuff pump with reduce cavitation and produce function, including the pump body 1, one side of the pump body 1 is equipped with inlet pipe 8, and the inner wall of inlet pipe 8 rotates and is connected with the restrictor plate 9, and the one end of restrictor plate 9 rotates and is connected with connecting rod 14, and the surface of inlet pipe 8 runs through there is seal cover 7, connecting rod 14 and seal cover 7 sliding connection, and the one end of connecting rod 14 is equipped with electric putter 5.
Specifically, the inner wall fixedly connected with pivot 10 of inlet pipe 8, pivot 10 rotates with current-limiting plate 9 and is connected, recess 13 has been seted up to current-limiting plate 9's surface, the internal surface of recess 13 rotates and is connected with loose axle 12, the surface and the connecting rod 14 fixed connection of loose axle 12, the one end fixedly connected with connecting seat 6 of connecting rod 14, the one end of connecting seat 6 and electric putter 5's flexible end fixed connection, the external fixed surface of the pump body 1 is connected with fixing base 3, the external fixed surface of fixing base 3 is connected with movable seat 4, the surface of movable seat 4 rotates with electric putter 5's stiff end and is connected, the inner chamber of the pump body 1 rotates and is connected with bilobed wheel 11, the surface of bilobed wheel 11 is equipped with the anti-gas corrosion coating, the external fixed surface of the pump body 1 is connected with discharging pipe 2, discharging pipe 2 corresponds with bilobed wheel 11's middle part.
The working principle and the beneficial effects of the embodiment are achieved.
Stone enters the pump body 1 through the feeding pipe 8, the double-impeller 11 rotates under the action of centrifugal force, the stone is discharged through the discharging pipe 2, the lowest point of pressure in the pump body 1 is generally positioned at a position behind a blade inlet, ore pulp rushes to the center of bubbles from the periphery at a high speed to generate impact with high frequency and high instantaneous pressure, the double-impeller 11 can effectively reduce the generation of the generated frequency and the lowest point of pressure and prevent the pump body 1 from generating cavitation erosion phenomenon during working, the telescopic end of the electric push rod 5 extends out, the flow limiting plate 9 rotates on the rotating shaft 10 under the driving of the connecting rod 14 and the movable shaft 12, the flow limiting plate 9 can change the size of the inner diameter of the feeding pipe 8, so that the flow of the stone is changed, a user can change the size of the inner diameter of the feeding pipe 8 according to the using state, the width of the inlet area of the impeller and the inlet edge is increased, the cavitation erosion can be effectively prevented, the arranged connecting seat 7 can prevent the stone pulp in the feeding pipe 8 from overflowing, the environment from being polluted, the pressure in the pipeline is reduced, the normal work of equipment, the arranged connecting seat 6 is convenient to overhaul and install, and the sealing sleeve can save the work time.
The above embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention.
Claims (7)
1. The utility model provides a sediment stuff pump with reduce cavitation and produce function, includes the pump body, its characterized in that: one side of the pump body is equipped with the inlet pipe, the inner wall of inlet pipe rotates and is connected with the current-limiting plate, the one end of current-limiting plate rotates and is connected with the connecting rod, the surface of inlet pipe runs through there is the seal cover, connecting rod and seal cover sliding connection, the one end of connecting rod is equipped with electric putter.
2. The slurry pump with cavitation reduction function according to claim 1, wherein: the inner wall fixedly connected with pivot of inlet pipe, the pivot rotates with the restrictor plate and is connected.
3. The slurry pump with cavitation reduction function according to claim 1, wherein: the outer surface of the flow limiting plate is provided with a groove, the inner surface of the groove is rotatably connected with a movable shaft, and the outer surface of the movable shaft is fixedly connected with the connecting rod.
4. The slurry pump with cavitation reduction function according to claim 1, wherein: one end of the connecting rod is fixedly connected with a connecting seat, and one end of the connecting seat is fixedly connected with the telescopic end of the electric push rod.
5. The slurry pump with cavitation generation reduction function according to claim 1, characterized in that: the outer fixed surface of the pump body is connected with a fixed seat, the outer fixed surface of the fixed seat is connected with a movable seat, and the outer surface of the movable seat is rotatably connected with the fixed end of the electric push rod.
6. The slurry pump with cavitation reduction function according to claim 1, wherein: the inner cavity of the pump body is rotatably connected with a double impeller, and the outer surface of the double impeller is provided with an anti-cavitation coating.
7. The slurry pump having a cavitation generation reduction function according to claim 6, wherein: the outer surface of the pump body is fixedly connected with a discharge pipe, and the discharge pipe corresponds to the middle of the double-impeller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221336086.1U CN217682465U (en) | 2022-05-31 | 2022-05-31 | Slurry pump with cavitation-reducing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221336086.1U CN217682465U (en) | 2022-05-31 | 2022-05-31 | Slurry pump with cavitation-reducing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217682465U true CN217682465U (en) | 2022-10-28 |
Family
ID=83704528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221336086.1U Active CN217682465U (en) | 2022-05-31 | 2022-05-31 | Slurry pump with cavitation-reducing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217682465U (en) |
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2022
- 2022-05-31 CN CN202221336086.1U patent/CN217682465U/en active Active
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