CN216044647U - Vertical pipeline pump for reducing hydraulic loss - Google Patents
Vertical pipeline pump for reducing hydraulic loss Download PDFInfo
- Publication number
- CN216044647U CN216044647U CN202121413051.9U CN202121413051U CN216044647U CN 216044647 U CN216044647 U CN 216044647U CN 202121413051 U CN202121413051 U CN 202121413051U CN 216044647 U CN216044647 U CN 216044647U
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- pipeline
- water
- inlet
- suction chamber
- cavity
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Abstract
The utility model discloses a vertical pipeline pump for reducing hydraulic loss, which comprises a water suction chamber cavity, a water inlet pipeline and a water outlet pipeline, wherein the water suction chamber cavity is provided with a water inlet pipe and a water outlet pipe; the inlet of the water inlet pipeline and the inlet of the water outlet pipeline are both communicated with the cavity of the water suction chamber in a spiral channel; the bottom of the water inlet pipeline is provided with a flow guide cone structure extending towards the water inlet of the water suction chamber cavity; the middle part of the inner cavity of the water inlet pipeline is provided with an inlet partition board which vertically extends along the pipeline, and the tail end of the inlet partition board is connected with the bottom of the diversion cone. The vertical pipeline pump can improve the flow condition, make the velocity distribution of the inlet flow field uniform, improve certain cavitation resistance and efficiency, and minimize hydraulic loss.
Description
Technical Field
The utility model relates to a vertical pipeline pump for reducing hydraulic loss, and belongs to the field of vertical pipeline pumps for ships.
Background
The pipeline pump is one of single-stage single-suction or multi-stage centrifugal pumps, belongs to a vertical structure, and can be conveniently installed in the middle of a conveying pipeline to be used as a pressurizing conveying pump because the inlet and the outlet of the pipeline pump are on the same straight line and on the same plane with the shaft center, and the calibers of the inlet and the outlet of most of the pipeline pumps are the same, so that the pipeline pump is widely applied. Most of the traditional pump body inlet structures of the pipeline pumps are of elbow type, the structure is relatively simple, the velocity distribution of liquid flow in an elbow type flow channel is uneven, the hydraulic loss is large, the difference of velocity gradient of the liquid flow flowing to the circumference of an impeller inlet is large, and the cavitation and the efficiency of the pump are influenced to a certain extent.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a vertical pipeline pump for reducing hydraulic loss, which can improve the flow condition of the pump, ensure that the velocity distribution of an inlet flow field is uniform, improve certain cavitation resistance and efficiency and minimize the hydraulic loss.
The purpose of the utility model is realized by the following technical scheme.
The utility model discloses a vertical pipeline pump for reducing hydraulic loss, which comprises a water suction chamber cavity, a water inlet pipeline communicated with the lower end part of the water suction chamber cavity, and a water outlet pipeline communicated with the side wall of the upper end of the water suction chamber cavity; the connecting line of the inlet center of the water inlet pipeline and the outlet center of the water outlet pipeline is vertical to the axis of the cavity of the water suction chamber; the inlet of the water inlet pipeline and the inlet of the water outlet pipeline are both communicated with the cavity of the water suction chamber in a spiral channel;
the bottom of the water inlet pipeline is provided with a flow guide cone structure extending towards the water inlet of the water suction chamber cavity, and the axis of the flow guide cone is superposed with the axis of the water suction chamber cavity;
the middle part of the inner cavity of the water inlet pipeline is provided with an inlet partition board vertically extending along the pipeline, the water inlet pipeline is divided into a left channel and a right channel which are spaced, and the tail end of the inlet partition board is connected with the bottom of the flow guide cone.
Working process
After the pump body is provided with the impeller, the impeller rotates to enable liquid flow media to enter from the inlet of the water inlet pipeline, the liquid flow media are firstly cut into two liquid flows through the inlet partition plate, and the inlet partition plate prevents rotational flow from being disordered and impacted and forms vortex; two liquid flows respectively enter the annular channel at the outer side of the diversion cone after passing through the inlet partition plate; then the water enters the cavity of the water suction chamber upwards and is discharged from a water outlet pipeline communicated with the side wall of the cavity of the water suction chamber.
Advantageous effects
The vertical pipeline pump improves the flowing condition through the water inlet pipeline with the spiral structure, and ensures that a uniform velocity field is obtained at the inlet of the cavity of the water suction chamber; an inlet partition plate is arranged in the inner cavity of the water inlet pipeline, so that on one hand, turbulence, impact and vortex formation can be prevented when liquid flow enters, the liquid flow is divided into two liquid flows, and on the other hand, the effect of supporting the upper pipe wall and the lower pipe wall can be achieved; the flow guide cone structure eliminates a vortex area at the bottom and guides liquid flow to enter the cavity of the water suction chamber.
Drawings
FIG. 1 is a front view of the vertical tube pump of the present invention;
FIG. 2 is a bottom view of FIG. 1;
FIG. 3 is a top view of FIG. 1;
in the figure, 1-water inlet pipe; 2-an inlet baffle; 3-a flow guide cone; 4-a water absorption chamber cavity; 5-water outlet pipeline.
Detailed Description
The utility model will be further explained with reference to the following drawings and examples:
examples
As shown in fig. 1-3, the vertical pipe pump for reducing hydraulic loss of the present invention comprises a water suction chamber cavity 4, a water inlet pipe 1 communicated with the lower end of the water suction chamber cavity 4, and a water outlet pipe 5 communicated with the upper end side wall of the water suction chamber cavity 4; the connecting line of the inlet center of the water inlet pipeline 1 and the outlet center of the water outlet pipeline 5 is vertical to the axis of the water suction chamber cavity 4; the inlet of the water inlet pipeline 1 and the inlet of the water outlet pipeline 5 are both communicated with the water suction chamber cavity 4 in a spiral channel manner;
the bottom of the water inlet pipeline 1 is provided with a diversion cone 3 structure extending towards the water inlet of the water suction chamber cavity 4, and the axis of the diversion cone 3 is superposed with the axis of the water suction chamber cavity 4;
the middle part of the inner cavity of the water inlet pipeline 1 is provided with an inlet partition plate 2 vertically extending along the pipeline, the water inlet pipeline 1 is equally divided into a left channel and a right channel which are spaced, and the tail end of the inlet partition plate 2 is connected with the bottom of the flow guide cone 3.
After the pump body is provided with the impeller, the impeller rotates to enable liquid flow media to enter from the inlet of the water inlet pipeline, the liquid flow media are firstly cut into two liquid flows through the inlet partition plate, and the inlet partition plate prevents rotational flow from being disordered and impacted and forms vortex; two liquid flows respectively enter the annular channel at the outer side of the diversion cone after passing through the inlet partition plate; then the water enters the cavity of the water suction chamber upwards and is discharged from a water outlet pipeline communicated with the side wall of the cavity of the water suction chamber.
Claims (1)
1. A vertical pipeline pump for reducing hydraulic loss comprises a water suction chamber cavity, a water inlet pipeline communicated with the lower end part of the water suction chamber cavity, and a water outlet pipeline communicated with the side wall of the upper end of the water suction chamber cavity; the connecting line of the inlet center of the water inlet pipeline and the outlet center of the water outlet pipeline is vertical to the axis of the cavity of the water suction chamber;
the method is characterized in that: the inlet of the water inlet pipeline and the inlet of the water outlet pipeline are both communicated with the cavity of the water suction chamber in a spiral channel; the bottom of the water inlet pipeline is provided with a flow guide cone structure extending towards the water inlet of the water suction chamber cavity, and the axis of the flow guide cone is superposed with the axis of the water suction chamber cavity;
the middle part of the inner cavity of the water inlet pipeline is provided with an inlet partition board vertically extending along the pipeline, the water inlet pipeline is divided into a left channel and a right channel which are spaced, and the tail end of the inlet partition board is connected with the bottom of the flow guide cone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121413051.9U CN216044647U (en) | 2021-06-24 | 2021-06-24 | Vertical pipeline pump for reducing hydraulic loss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121413051.9U CN216044647U (en) | 2021-06-24 | 2021-06-24 | Vertical pipeline pump for reducing hydraulic loss |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216044647U true CN216044647U (en) | 2022-03-15 |
Family
ID=80616418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121413051.9U Expired - Fee Related CN216044647U (en) | 2021-06-24 | 2021-06-24 | Vertical pipeline pump for reducing hydraulic loss |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216044647U (en) |
-
2021
- 2021-06-24 CN CN202121413051.9U patent/CN216044647U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220315 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |