CN216447112U - Spiral centrifugal pump with double suction function - Google Patents
Spiral centrifugal pump with double suction function Download PDFInfo
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- CN216447112U CN216447112U CN202122428488.6U CN202122428488U CN216447112U CN 216447112 U CN216447112 U CN 216447112U CN 202122428488 U CN202122428488 U CN 202122428488U CN 216447112 U CN216447112 U CN 216447112U
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- suction chamber
- impeller
- impeller shaft
- discharge port
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Abstract
The utility model discloses a screw centrifugal pump with double suction functions, which comprises a pump body, a first suction chamber, a second suction chamber, a first discharge port, a first suction port, a second discharge port, a first impeller shaft, a first impeller, a second impeller shaft, a connecting rod and a second impeller, wherein the first suction chamber and the second suction chamber are arranged in the pump body, the first discharge port is arranged at the bottom of the first suction chamber, the first suction port is arranged on the side wall of the first suction chamber, the second suction port is arranged on the side wall of the second suction chamber, the second discharge port is arranged at the bottom of the second suction chamber, and the top of the first impeller shaft is fixedly connected with a motor output end at the top in the pump body. Set the screw centrifugal pump to two suction structures, this two suction structure is simple, and maneuverability is strong, can effectual improvement screw centrifugal pump's work efficiency.
Description
Technical Field
The utility model relates to the technical field of a spiral centrifugal pump, in particular to a spiral centrifugal pump with a double-suction function.
Background
The screw centrifugal pump is a typical non-clogging pump, can operate safely, reliably and stably, has efficiency far higher than that of a common centrifugal impurity pump and a swirl impurity pump, is mainly applied to the industries of papermaking, seaweed chemical industry and fishing after being introduced in early stage domestically, and is widely applied to conveying vegetables, fruits, low-medium-concentration paper pulp, velvet objects, muddy water, high-viscosity media and other slurries containing high-concentration impurities along with deepening of theoretical research of the non-clogging pump and continuous expansion of the application field.
Disclosure of Invention
In view of the above-mentioned drawbacks and deficiencies of the prior art, it would be desirable to provide a centrifugal screw pump having a double suction function.
According to the technical scheme provided by the embodiment of the application, the screw centrifugal pump with the double suction function comprises a pump body, a first suction chamber, a second suction chamber, a first discharge port, a first suction port, a second discharge port, a first impeller shaft, a first impeller, a second impeller shaft, a connecting rod and a second impeller, wherein the first suction chamber and the second suction chamber are arranged in the pump body, the first discharge port is arranged at the bottom of the first suction chamber, the first suction port is arranged on the side wall of the first suction chamber, the second suction port is arranged on the side wall of the second suction chamber, the second discharge port is arranged at the bottom of the second suction chamber, the top of the first impeller shaft is fixedly connected with the motor output end at the top in the pump body, and the lower end of the first impeller shaft penetrates through the first suction chamber and the first discharge port and extends into the second suction chamber, the first impeller is fixedly sleeved on the first impeller shaft, the second impeller shaft is fixed on the first impeller shaft through the connecting rod, and the second impeller is fixedly sleeved on the second impeller shaft.
In the present invention, the first suction chamber and the second suction chamber are coaxial.
In the utility model, the first discharge port and the first suction chamber are coaxial, and the bottom of the first discharge port is communicated with the second suction chamber.
In the utility model, the central axis of the first suction port and the central axis of the second suction port are positioned on the same vertical plane, and the first suction port and the second suction port are oppositely arranged.
In the present invention, the second discharge port and the second suction chamber are coaxial, and the diameter of the second discharge port is larger than the diameter of the first discharge port.
In the present invention, the first impeller shaft is coaxial with the first suction chamber and the second suction chamber, and the first impeller shaft has a diameter smaller than that of the first discharge port.
In the present invention, the first impeller is located in the first suction chamber, and the second impeller has a diameter larger than that of the first impeller.
In the utility model, the cross section of the second impeller shaft is of an annular structure, the second impeller shaft and the first impeller shaft are coaxial, the diameter of an inner ring of the second impeller shaft is equal to that of the first discharge port, the diameter of an outer ring of the second impeller shaft is smaller than that of the second discharge port, and the top of the second impeller shaft is in contact with the inner top of the second suction chamber.
To sum up, the beneficial effect of this application: the utility model is provided with a first suction chamber and a second suction chamber in a pump body, the first suction chamber and the second suction chamber are respectively provided with a first suction port and a second suction port, the bottom of the first suction chamber is provided with a first discharge port which is communicated with the second suction chamber, a first impeller shaft is fixedly connected with a second impeller shaft through a connecting rod, the top of the second impeller shaft is communicated with the first discharge port, the bottom of the second impeller shaft is communicated with a second discharge port, the first impeller shaft rotates to drive a first impeller and a second impeller shaft to rotate, the second impeller shaft rotates to drive a second impeller to rotate, the first impeller sucks materials into the first suction chamber from the first suction port and discharges the materials into the second impeller shaft from the first discharge port so that the materials are discharged from the second discharge port, the second impeller sucks the materials into the second suction chamber from the second suction port and discharges the materials from the second discharge port, and the spiral centrifugal pump is provided with a double suction structure, this double suction simple structure, maneuverability is strong, can effectual improvement spiral centrifugal pump's work efficiency.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a half sectional view of the present invention;
fig. 3 is a structural view of a first impeller and a second impeller of the present invention.
Reference numbers in the figures: the pump comprises a pump body-1, a first suction chamber-2, a second suction chamber-3, a first discharge port-4, a first suction port-5, a second suction port-6, a second discharge port-7, a first impeller shaft-8, a first impeller-9, a second impeller shaft-10, a connecting rod-11 and a second impeller-12;
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the utility model. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1 to 3, a centrifugal screw pump with double suction function includes a pump body 1, a first suction chamber 2, a second suction chamber 3, a first discharge port 4, a first suction port 5, a second suction port 6, a second discharge port 7, a first impeller shaft 8, a first impeller 9, a second impeller shaft 10, a connecting rod 11, and a second impeller 12, wherein the first suction chamber 2 and the second suction chamber 3 are opened in the pump body 1, the first discharge port 4 is opened at the bottom of the first suction chamber 2, the first suction port 5 is opened on the side wall of the first suction chamber 2, the second suction port 6 is opened on the side wall of the second suction chamber 3, the second discharge port 7 is opened at the bottom of the second suction chamber 3, the top of the first impeller shaft 8 is fixedly connected to a motor output end at the top in the pump body 1, and the lower end of the first impeller shaft 8 passes through the first suction chamber 2 and the first discharge port 4 and extends into the second suction chamber 3 In the chamber 3, the first impeller 9 is fixedly sleeved on the first impeller shaft 8, the second impeller shaft 10 is fixed on the first impeller shaft 8 through the connecting rod 11, and the second impeller 12 is fixedly sleeved on the second impeller shaft 10. The first suction chamber 2 and the second suction chamber 3 are coaxial. The first discharge port 4 is coaxial with the first suction chamber 2, and the bottom of the first discharge port 4 is communicated with the second suction chamber 3. The central axis of the first suction port 5 and the central axis of the second suction port 6 are located on the same vertical plane, and the first suction port 5 and the second suction port 6 are arranged oppositely. The second discharge opening 7 is coaxial with the second suction chamber 3, and the diameter of the second discharge opening 7 is larger than the diameter of the first discharge opening 4 in order to increase the flow rate. The first impeller shaft 8 is coaxial with the first and second suction chambers 2 and 3, and the diameter of the first impeller shaft 8 is smaller than that of the first discharge port 4. The first impeller 9 is located in the first suction chamber 2 and the second impeller 12 has a diameter greater than the diameter of the first impeller 9. The cross section of the second impeller shaft 10 is of an annular structure, the second impeller shaft 10 and the first impeller shaft 8 are coaxial, the diameter of the inner ring of the second impeller shaft 10 is equal to that of the first discharge port 4, the diameter of the outer ring of the second impeller shaft 10 is smaller than that of the second discharge port 7, and the top of the second impeller shaft 10 is in contact with the inner top of the second suction chamber 3.
The utility model is provided with a first suction chamber and a second suction chamber in a pump body, the first suction chamber and the second suction chamber are respectively provided with a first suction port and a second suction port, the bottom of the first suction chamber is provided with a first discharge port which is communicated with the second suction chamber, a first impeller shaft is fixedly connected with a second impeller shaft through a connecting rod, the top of the second impeller shaft is communicated with the first discharge port, the bottom of the second impeller shaft is communicated with a second discharge port, the first impeller shaft rotates to drive a first impeller and a second impeller shaft to rotate, the second impeller shaft rotates to drive a second impeller to rotate, the first impeller sucks materials into the first suction chamber from the first suction port and discharges the materials into the second impeller shaft from the first discharge port so that the materials are discharged from the second discharge port, the second impeller sucks the materials into the second suction chamber from the second suction port and discharges the materials from the second discharge port, and the spiral centrifugal pump is provided with a double suction structure, this double suction simple structure, maneuverability is strong, can effectual improvement spiral centrifugal pump's work efficiency.
The foregoing description is only exemplary of the preferred embodiments of the application and is provided for the purpose of illustrating the general principles of the technology and the like. Meanwhile, the scope of the utility model according to the present application is not limited to the technical solutions in which the above-described technical features are combined in a specific manner, and also covers other technical solutions in which the above-described technical features or their equivalent are combined arbitrarily without departing from the inventive concept described above. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (8)
1. The utility model provides a screw centrifugal pump with double suction function, includes the pump body (1), first suction chamber (2), second suction chamber (3), first discharge port (4), first suction inlet (5), second suction inlet (6), second discharge port (7), first impeller shaft (8), first impeller (9), second impeller shaft (10), connecting rod (11), second impeller (12), characterized by: the pump body (1) is internally provided with the first suction chamber (2) and the second suction chamber (3), the bottom of the first suction chamber (2) is provided with the first discharge port (4), the side wall of the first suction chamber (2) is provided with the first suction port (5), the side wall of the second suction chamber (3) is provided with the second suction port (6), the bottom of the second suction chamber (3) is provided with the second discharge port (7), the top of the first impeller shaft (8) is fixedly connected with the motor output end at the inner top of the pump body (1), the lower end of the first impeller shaft (8) penetrates through the first suction chamber (2) and the first discharge port (4) and extends into the second suction chamber (3), the first impeller (9) is fixedly sleeved on the first impeller shaft (8), and the second impeller shaft (10) is fixed on the first impeller shaft (8) through the connecting rod (11), the second impeller (12) is fixedly sleeved on the second impeller shaft (10).
2. A screw centrifugal pump with double suction function according to claim 1, characterized in that: the first suction chamber (2) and the second suction chamber (3) are coaxial.
3. A screw centrifugal pump with double suction function according to claim 1, characterized in that: the first discharge port (4) is coaxial with the first suction chamber (2), and the bottom of the first discharge port (4) is communicated with the second suction chamber (3).
4. A screw centrifugal pump with double suction function according to claim 1, characterized in that: the central axis of the first suction port (5) and the central axis of the second suction port (6) are located on the same vertical plane, and the first suction port (5) and the second suction port (6) are arranged oppositely.
5. A screw centrifugal pump with double suction function according to claim 1, characterized in that: the second discharge opening (7) and the second suction chamber (3) are coaxial, and the diameter of the second discharge opening (7) is larger than that of the first discharge opening (4).
6. A screw centrifugal pump with double suction function according to claim 1, characterized in that: the first impeller shaft (8) is coaxial with the first suction chamber (2) and the second suction chamber (3), the diameter of the first impeller shaft (8) being smaller than the diameter of the first discharge opening (4).
7. A screw centrifugal pump having a double suction function according to claim 1, characterized in that: the first impeller (9) is located inside the first suction chamber (2), the second impeller (12) having a diameter greater than the diameter of the first impeller (9).
8. A screw centrifugal pump with double suction function according to claim 1, characterized in that: the cross section of the second impeller shaft (10) is of an annular structure, the second impeller shaft (10) and the first impeller shaft (8) are coaxial, the diameter of the inner ring of the second impeller shaft (10) is equal to that of the first discharge port (4), the diameter of the outer ring of the second impeller shaft (10) is smaller than that of the second discharge port (7), and the top of the second impeller shaft (10) is in contact with the inner top of the second suction chamber (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122428488.6U CN216447112U (en) | 2021-10-09 | 2021-10-09 | Spiral centrifugal pump with double suction function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122428488.6U CN216447112U (en) | 2021-10-09 | 2021-10-09 | Spiral centrifugal pump with double suction function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216447112U true CN216447112U (en) | 2022-05-06 |
Family
ID=81348851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122428488.6U Active CN216447112U (en) | 2021-10-09 | 2021-10-09 | Spiral centrifugal pump with double suction function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216447112U (en) |
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2021
- 2021-10-09 CN CN202122428488.6U patent/CN216447112U/en active Active
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