CN219993941U - High-lift high-efficiency single-stage double-suction centrifugal pump - Google Patents
High-lift high-efficiency single-stage double-suction centrifugal pump Download PDFInfo
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- CN219993941U CN219993941U CN202321274114.6U CN202321274114U CN219993941U CN 219993941 U CN219993941 U CN 219993941U CN 202321274114 U CN202321274114 U CN 202321274114U CN 219993941 U CN219993941 U CN 219993941U
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- bottom plate
- spiral case
- centrifugal pump
- rotating shaft
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 58
- 239000007788 liquid Substances 0.000 abstract description 15
- 238000005086 pumping Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model provides a high-lift high-efficiency single-stage double-suction centrifugal pump, and aims to solve the technical problem that in the prior art, liquid entering through a liquid suction port cannot contact with the central position of an impeller, so that part of energy on the impeller is lost. The single-stage double suction centrifugal pump includes: a bottom plate arranged on a horizontal plane; the spiral case is arranged on the bottom plate, an impeller is arranged in the spiral case, the axis of the spiral case is horizontally arranged, a water inlet pipe is arranged in the middle of one side of the spiral case, a water outlet pipe is arranged at the bottom of the spiral case, and a rotating shaft of the impeller penetrates out from the other side of the spiral case; the motor is arranged on the bottom plate and used for driving the rotating shaft to rotate; two spiral cases are arranged on the bottom plate, two ends of the rotating shaft penetrate into the two spiral cases respectively and are connected with the two impellers, the middle part of the rotating shaft is in power connection with an output shaft of the motor, and water outlet pipes on the two spiral cases are connected to a water main. The single-stage double-suction centrifugal pump has the advantages of enabling liquid to completely absorb the kinetic energy of the impeller, improving efficiency and increasing lift.
Description
Technical Field
The utility model relates to a centrifugal pump, in particular to a high-lift high-efficiency single-stage double-suction centrifugal pump.
Background
The single-stage double-suction centrifugal pump is characterized by two liquid suction ports and one water outlet, and has wide application in industry and agriculture, and is usually used for pumping water.
At present, a common single-stage double-suction centrifugal pump in the market drives a unit to operate by a motor, so that the water pumping work is realized. The unit is internally provided with two impellers which respectively correspond to the two liquid suction ports. The driving shaft of the motor needs to pass through one impeller and then is connected with the other impeller, and based on the connection mode, liquid entering through one liquid suction port cannot directly contact with the impeller from the middle, so that the middle part of the impeller cannot work on the liquid, and therefore a part of energy is lost.
Disclosure of Invention
Aiming at the technical problem that part of energy on the impeller is lost because the liquid entering through a liquid suction port cannot be contacted with the central position of the impeller in the prior art, the utility model provides the high-lift high-efficiency single-stage double-suction centrifugal pump which has the advantages of enabling the liquid to completely absorb the kinetic energy of the impeller and realizing the improvement of efficiency and lift.
The technical scheme of the utility model is as follows:
a high lift high efficiency single stage double suction centrifugal pump comprising:
a bottom plate arranged on a horizontal plane;
the spiral case is arranged on the bottom plate, an impeller is arranged in the spiral case, the axis of the spiral case is horizontally arranged, a water inlet pipe is arranged in the middle of one side of the spiral case, a water outlet pipe is arranged at the bottom of the spiral case, and a rotating shaft of the impeller penetrates out from the other side of the spiral case;
the motor is arranged on the bottom plate and beside the volute, and is used for driving the rotating shaft to rotate;
the spiral case is characterized in that two spiral cases are arranged on the bottom plate, two ends of the rotating shaft penetrate into the two spiral cases respectively and are connected with the two impellers, the middle part of the rotating shaft is in power connection with an output shaft of the motor, and water outlet pipes on the two spiral cases are connected to a water main.
Optionally, a space exists between the two volutes, a driven belt pulley is arranged in the middle of the rotating shaft, and the driven belt pulley is positioned between the two volutes;
the output shaft of the motor is provided with a driving belt wheel, and the driving belt wheel is connected with the driven belt wheel through belt power.
Optionally, the two water inlet pipes are respectively located on opposite sides of the two volutes, one end of the water inlet pipe, which is far away from the volutes, is vertically upwards arranged, and a connecting flange is arranged at the end of the water inlet pipe.
Optionally, the motor and the two volutes are respectively located on a set of diagonals on the top surface of the bottom plate.
Optionally, one end of the water main, which is far away from the volute, is a water outlet, and the water outlet of the water main and the volute are respectively positioned at two ends of the bottom plate.
Optionally, a supporting plate is vertically arranged in the middle of the bottom plate, and the motor and the volute are respectively connected with two sides of the supporting plate.
Compared with the prior art, the utility model has the beneficial effects that:
two spiral cases are symmetrically distributed on the bottom plate, and impellers in the two spiral cases are connected through a rotating shaft, so that the purpose that one rotating shaft drives the two impellers to rotate is achieved. The water inlet pipes on the two spiral cases are respectively connected with the central positions of the side surfaces of the two spiral cases, and meanwhile, the two spiral cases are positioned between the two water inlet pipes, so that liquid entering the two spiral cases from the two water inlet pipes can directly contact with the central positions of the impellers, and the kinetic energy released by the impellers is completely absorbed by the liquid.
Through this technical scheme, can effectual increase single-stage double suction centrifugal pump's work efficiency, reinforcing lift simultaneously.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of the present utility model;
fig. 2 is a schematic top view of the present utility model.
Detailed Description
Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships conventionally placed in use of the product of the present utility model, or orientations or positional relationships conventionally understood by those skilled in the art, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
Examples:
referring to fig. 1 and 2, a high-lift high-efficiency single-stage double-suction centrifugal pump comprises a bottom plate 1, a volute 2, an impeller, a water inlet pipe 3, a water outlet pipe 4, a rotating shaft 5, a motor 6 and a water main 7. In particular, the method comprises the steps of,
the bottom plate 1 is of a square structure, two spiral cases 2 are arranged on the bottom plate 1, the whole spiral case 2 is of a round cake-shaped structure, the periphery and two sides of the spiral case are also cambered surfaces, the central angle corresponding to the cambered surface of the periphery is more than or equal to 170 degrees, and the cambered surfaces of the two sides are tangentially connected with the cambered surface of the periphery.
The axes of the two spiral cases 2 are coincident, a space exists between the two spiral cases 2, and an impeller is respectively arranged in the two spiral cases 2. The two impellers are respectively arranged at two ends of the rotating shaft 5, the rotating shaft 5 is rotationally connected with the spiral case 2, the rotating shaft 5 is positioned at the middle parts of the two spiral cases 2, and the axis of the rotating shaft 5 is collinear with the axis of the two spiral cases 2.
One side surface of the two spiral cases 2 far away from each other is respectively provided with a water inlet pipe 3, one end of the water inlet pipe 3 is connected with the middle part of the side surface of the spiral case 2 and is communicated with the inside of the spiral case 2, and the connecting part of the water inlet pipe 3 on the spiral case 2 is opposite to the middle part of the impeller.
A water outlet pipe 4 is arranged on the periphery of the two spiral cases 2 along the tangential direction of the spiral cases 2, the two water outlet pipes 4 are communicated with one end of a water main 7, and the water main 7 is arranged on the bottom plate 1.
The motor 6 is also arranged on the bottom plate 1, and the motor 6 is positioned beside the volute 2, and the output shaft of the motor 6 is arranged in parallel with the rotating shaft 5. And the output shaft of the motor 6 is in power connection with the rotating shaft 5, and the motor 6 is used for driving the rotating shaft 5 to rotate, so that the two impellers are driven to rotate.
In a preferred embodiment, a driven pulley 8 is disposed in the middle of the rotating shaft 5, the driven pulley 8 is located between the two volutes 2, and a space exists between the driven pulley 8 and the two volutes 2. The output shaft of the motor 6 is provided with a driving belt wheel 9, and the diameter of the driving belt wheel 9 is pioneered with the diameter of the driven belt wheel 8. And the driving belt wheel 9 and the driven belt wheel 8 are in power connection through a belt.
In another preferred embodiment, the length direction of the water inlet pipe 3 is perpendicular to the surface of the bottom plate 1, one end, far away from the volute 2, of the water inlet pipe 3 is vertically upwards arranged, and one end, far away from the volute 2, of each of the two water inlet pipes 3 is respectively provided with a connecting flange. And the water main 7 is fixedly arranged on the bottom plate 1 along the length direction of the bottom plate 1, and a connecting flange is also arranged at one end of the water main 7 far away from the volute 2. The end parts of the water main 7 and the water inlet pipe 3 are respectively provided with a connecting flange, and the purpose of the connecting flange is to conveniently connect the water pipes.
In a preferred further embodiment, the motor 6 and the two volutes 2 are respectively arranged opposite one another on a set of diagonals of the base plate 1. The water pipe 7 is arranged on the bottom plate 1 along the side edge of the bottom plate 1 towards one end far away from the two spiral cases 2, one end of the water pipe 7 far away from the spiral cases 2 is a water outlet, and the water outlet of the water pipe 7 and the spiral cases 2 are respectively positioned at two ends of the bottom plate 1. By means of the scheme, the pressure on the bottom plate 1 can be distributed relatively uniformly, and therefore the stability of the single-stage double-suction centrifugal pump in operation is enhanced.
In another preferred embodiment, a supporting plate 10 is vertically arranged in the middle of the bottom plate 1, the motor 6 and the volute 2 are respectively arranged at two sides of the supporting plate 10, and a rectangular through hole is formed in the middle of the supporting plate 10, and the belt passes through the through hole.
In the embodiment, two spiral cases 2 symmetrically distributed on the bottom plate 1 are arranged, and impellers in the two spiral cases 2 are connected through a rotating shaft 5, so that the purpose that one rotating shaft 5 drives the two impellers to rotate is achieved. The water inlet pipes 3 on the two spiral cases 2 are respectively connected with the center positions of the side surfaces of the two spiral cases, and meanwhile, the two spiral cases 2 are positioned between the two water inlet pipes 3, so that liquid entering the two spiral cases 2 from the two water inlet pipes 3 can directly contact with the center positions of the impellers, and the kinetic energy released by the impellers is completely absorbed by the liquid. Through this technical scheme, can effectual increase single-stage double suction centrifugal pump's work efficiency, reinforcing lift simultaneously.
The foregoing examples merely illustrate specific embodiments of the utility model, which are described in greater detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.
Claims (6)
1. A high lift high efficiency single stage double suction centrifugal pump comprising:
a bottom plate arranged on a horizontal plane;
the spiral case is arranged on the bottom plate, an impeller is arranged in the spiral case, the axis of the spiral case is horizontally arranged, a water inlet pipe is arranged in the middle of one side of the spiral case, a water outlet pipe is arranged at the bottom of the spiral case, and a rotating shaft of the impeller penetrates out from the other side of the spiral case;
the motor is arranged on the bottom plate and beside the volute, and is used for driving the rotating shaft to rotate; the spiral case is characterized in that two spiral cases are arranged on the bottom plate, two ends of the rotating shaft penetrate into the two spiral cases respectively and are connected with the two impellers, the middle part of the rotating shaft is in power connection with an output shaft of the motor, and water outlet pipes on the two spiral cases are connected to a water main.
2. The high-lift high-efficiency single-stage double-suction centrifugal pump according to claim 1, wherein a space exists between the two volutes, a driven belt wheel is arranged in the middle of the rotating shaft, and the driven belt wheel is positioned between the two volutes;
the output shaft of the motor is provided with a driving belt wheel, and the driving belt wheel is connected with the driven belt wheel through belt power.
3. The high-lift high-efficiency single-stage double-suction centrifugal pump according to claim 1, wherein two water inlet pipes are respectively positioned on opposite sides of two volutes, one end of each water inlet pipe, which is far away from each volute, is vertically upwards arranged, and a connecting flange is arranged on the end of each water inlet pipe.
4. The high lift high efficiency single stage double suction centrifugal pump of claim 1 wherein said motor and two of said volutes are located on a set of diagonal corners of said bottom plate top surface, respectively.
5. The high-lift high-efficiency single-stage double-suction centrifugal pump according to claim 1, wherein one end of the water main, which is far away from the volute, is a water outlet, and the water outlet of the water main and the volute are respectively positioned at two ends of the bottom plate.
6. The high-lift high-efficiency single-stage double-suction centrifugal pump according to claim 1, wherein a supporting plate is vertically arranged in the middle of the bottom plate, and the motor and the volute are respectively connected with two sides of the supporting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321274114.6U CN219993941U (en) | 2023-05-24 | 2023-05-24 | High-lift high-efficiency single-stage double-suction centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321274114.6U CN219993941U (en) | 2023-05-24 | 2023-05-24 | High-lift high-efficiency single-stage double-suction centrifugal pump |
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| CN219993941U true CN219993941U (en) | 2023-11-10 |
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| CN202321274114.6U Active CN219993941U (en) | 2023-05-24 | 2023-05-24 | High-lift high-efficiency single-stage double-suction centrifugal pump |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117646728A (en) * | 2024-01-30 | 2024-03-05 | 四川川工泵业有限公司 | Double-channel rotary jet pump |
-
2023
- 2023-05-24 CN CN202321274114.6U patent/CN219993941U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117646728A (en) * | 2024-01-30 | 2024-03-05 | 四川川工泵业有限公司 | Double-channel rotary jet pump |
| CN117646728B (en) * | 2024-01-30 | 2024-05-03 | 四川川工泵业有限公司 | Double-channel rotary jet pump |
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