CN214146022U - Reduce hydraulic loss's vertical tubing pump body - Google Patents
Reduce hydraulic loss's vertical tubing pump body Download PDFInfo
- Publication number
- CN214146022U CN214146022U CN202022820082.8U CN202022820082U CN214146022U CN 214146022 U CN214146022 U CN 214146022U CN 202022820082 U CN202022820082 U CN 202022820082U CN 214146022 U CN214146022 U CN 214146022U
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- China
- Prior art keywords
- water
- suction chamber
- pipeline
- inlet
- water inlet
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 135
- 238000005192 partition Methods 0.000 claims abstract description 44
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 2
- 239000012530 fluid Substances 0.000 abstract description 3
- 230000008676 import Effects 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 14
- 230000000694 effects Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a vertical pipeline pump body for reducing hydraulic loss, which comprises a water suction chamber cavity, a water inlet pipeline and a water outlet pipeline; a diversion cone structure extends inwards from the inner wall of the inner cavity of the water inlet pipeline, which is opposite to 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 clapboard which extends along the pipeline and divides the pipeline into two channels; the inner wall of the inner cavity of the water inlet pipeline, which is opposite to the water inlet of the water suction chamber cavity, is provided with a water suction chamber partition plate which extends from the water inlet of the water suction chamber cavity to the diversion cone, the upper end of the water suction chamber partition plate is an upper inclined plane which extends from the water inlet of the water suction chamber cavity to the middle part of the diversion cone, and the two sides of the water suction chamber partition plate are side inclined planes which extend downwards from the upper inclined plane to the inner wall of the water inlet pipeline. The utility model discloses a vertical tubing pump body has improved the flow of fluid in impeller import department, has eliminated the swirl of bottom, reduces hydraulic loss, has improved the efficiency of pump.
Description
Technical Field
The utility model relates to a reduce hydraulic loss's vertical tubing pump body belongs to vertical tubing pump field.
Background
The pipeline pump is one of single-stage single-suction or multi-stage centrifugal pumps, belongs to a vertical structure, can be conveniently installed in the middle of a conveying pipeline to be used as a pressurizing conveying pump, and is widely applied. The structure of the traditional pipeline pump comprises a water suction chamber cavity, a water inlet pipeline communicated with the axial lower end part of the water suction chamber cavity, and a water outlet pipeline communicated with the side wall 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; therefore, the water inlet pipeline in the traditional pipeline pump adopts a 90-degree elbow structure, the difference of the curvatures of the inner side and the outer side of the water inlet pipeline of the structure is large, so that the liquid flow has uneven speed distribution in a bent pipe type flow channel, the hydraulic loss is large, the speed difference of the liquid flow flowing to the circumference of the inlet of the impeller is large, the pressure distribution is uneven, the pressure difference exists, and certain influence is exerted on the cavitation and the efficiency of the pump.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the structure that the inlet channel adopted 90 degrees return bends among the traditional tubing pump, lead to the velocity distribution of liquid stream in the elbow formula runner uneven, hydraulic loss is great, and it is great to flow to impeller import circumference round speed difference, and pressure distribution is uneven, has pressure differential, has certain influence to the cavitation and the efficiency of pump. Therefore, the vertical pipeline pump body capable of reducing hydraulic loss is provided.
The purpose of the utility model is realized by the following technical scheme.
The utility model discloses a vertical pipeline pump body for reducing hydraulic loss, which comprises a water suction chamber cavity, a water inlet pipeline communicated with the axial lower end part of the water suction chamber cavity, and a water outlet pipeline communicated with the side wall 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;
a diversion cone structure extends inwards from the inner wall of the inner cavity of the water inlet pipeline, which is opposite to the water inlet of the water suction chamber cavity;
an inlet partition plate which extends along the pipeline and divides the pipeline into two channels is arranged in the middle of the inner cavity of the water inlet pipeline, the plate surface extending direction of the inlet partition plate passes through the axis of the water absorption chamber cavity, and the tail end part of the inlet partition plate is an inclined surface extending from the water inlet of the water absorption chamber cavity to the middle of the flow guide cone;
the inner wall of the inner cavity of the water inlet pipeline, which is opposite to the water inlet of the water suction chamber cavity, is provided with a water suction chamber partition plate which extends from the water inlet of the water suction chamber cavity to the diversion cone, the upper end of the water suction chamber partition plate is an upper inclined plane which extends from the water inlet of the water suction chamber cavity to the middle part of the diversion cone, and the two sides of the water suction chamber partition plate are side inclined planes which extend downwards from the upper inclined plane to the inner wall of the water inlet pipeline.
The upper edge of the starting end of the inlet partition plate is located at 1/2 of the total length of the upper end of the inner cavity of the water inlet pipeline, and the distance between the lower edge of the starting end of the inlet partition plate and the inlet of the water inlet pipeline is smaller than the distance between the upper edge of the starting end of the inlet partition plate and the inlet of the water inlet pipeline.
The inclined plane at the tail end of the inlet partition plate and the upper inclined plane of the water suction chamber partition plate are symmetrical relative to the axis of the water suction chamber cavity.
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 streams of liquid flow respectively enter the semi-spiral water suction chambers on two sides of the flow guide cone after passing through the inlet partition plate; then, under the guidance of a partition plate of the water suction chamber, two liquid flows enter the cavity of the water suction chamber in a forward prerotation manner and are finally discharged from a water outlet pipeline communicated with the side wall of the cavity of the water suction chamber.
Advantageous effects
The utility model discloses a vertical tubing pump body has improved the flow of fluid in impeller import department, and liquid stream flow field velocity distribution evenly does not have the impact, and the fluid gets into the impeller with just prewhirl, has eliminated the swirl of bottom, makes the relative velocity reduce simultaneously, improves the anti cavitation performance of pump, reduces hydraulic loss, has improved the efficiency of pump.
Drawings
FIG. 1 is a sectional view of the vertical pipe pump body of the present invention;
FIG. 2 is a top cross-sectional view of the inlet pipe in the pump body of the vertical pipe pump of the present invention;
in the figure, 1-inlet duct; 2-an inlet baffle; 3-a water suction chamber partition; 4-a water absorption chamber cavity; 5-an outlet pipe; 11-a guide cone.
Detailed Description
The invention will be further explained with reference to the following drawings and examples:
examples
As shown in fig. 1, the vertical pipe pump body for reducing hydraulic loss of the present invention comprises a water suction chamber cavity 4, a water inlet pipe 1 communicated with the axial lower end of the water suction chamber cavity 4, and a water outlet pipe 5 communicated with the 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;
as shown in fig. 2, a diversion cone 11 structure extends inwards from the inner wall of the inner cavity of the water inlet pipe 1, which is opposite to the water inlet of the water suction chamber cavity 4;
an inlet partition plate 2 which extends along the pipeline and divides the pipeline into two channels is arranged in the middle of the inner cavity of the water inlet pipeline 1, the plate surface of the inlet partition plate 2 extends across the axis of the water suction chamber cavity 4, and the tail end of the inlet partition plate 2 is an inclined surface which extends from the water inlet of the water suction chamber cavity 4 to the middle of the diversion cone 11;
the inner wall of the inner cavity of the water inlet pipeline 1, which is opposite to the water inlet of the water suction chamber cavity 4, is provided with a water suction chamber partition plate 3 extending from the water inlet of the water suction chamber cavity 4 to the diversion cone 11, the upper end of the water suction chamber partition plate 3 is an upper inclined plane extending from the water inlet of the water suction chamber cavity 4 to the middle of the diversion cone 11, and the two sides of the water suction chamber partition plate are side inclined planes extending downwards from the upper inclined plane to the inner wall of the water inlet pipeline 1.
The upper edge of the starting end of the inlet partition board 2 is located at 1/2 of the total length of the upper end of the inner cavity of the water inlet pipeline 1, and the distance between the lower edge of the starting end of the inlet partition board 2 and the inlet of the water inlet pipeline 1 is less than the distance between the upper edge of the starting end of the inlet partition board 2 and the inlet of the water inlet pipeline 1.
The inclined plane of the tail end of the inlet partition plate 2 and the upper inclined plane of the water suction chamber partition plate 3 are symmetrical relative to the axis of the water suction chamber cavity 4.
After the pump body is provided with the impeller, the impeller rotates to enable liquid flow media to enter from an inlet of the water inlet pipeline 1, the liquid flow media are firstly cut into two liquid flows through the inlet partition plate 2, and the inlet partition plate 2 prevents rotational flow from being disordered and impacting and forms vortex; two streams of liquid flow respectively enter the semi-spiral water suction chambers at two sides of the guide cone 11 after passing through the inlet partition plate 2; then, under the guidance of the baffle plate 3 of the water suction chamber, two liquid flows enter the cavity 4 of the water suction chamber in a positive prerotation mode and are finally discharged from a water outlet pipeline 5 communicated with the side wall of the cavity 4 of the water suction chamber.
Claims (3)
1. A vertical pipeline pump body for reducing hydraulic loss comprises a water suction chamber cavity, a water inlet pipeline communicated with the axial lower end part of the water suction chamber cavity, and a water outlet pipeline communicated with the side wall 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: a diversion cone structure extends inwards from the inner wall of the inner cavity of the water inlet pipeline, which is opposite to the water inlet of the water suction chamber cavity;
an inlet partition plate which extends along the pipeline and divides the pipeline into two channels is arranged in the middle of the inner cavity of the water inlet pipeline, the plate surface extending direction of the inlet partition plate passes through the axis of the water absorption chamber cavity, and the tail end part of the inlet partition plate is an inclined surface extending from the water inlet of the water absorption chamber cavity to the middle of the flow guide cone;
the inner wall of the inner cavity of the water inlet pipeline, which is opposite to the water inlet of the water suction chamber cavity, is provided with a water suction chamber partition plate which extends from the water inlet of the water suction chamber cavity to the diversion cone, the upper end of the water suction chamber partition plate is an upper inclined plane which extends from the water inlet of the water suction chamber cavity to the middle part of the diversion cone, and the two sides of the water suction chamber partition plate are side inclined planes which extend downwards from the upper inclined plane to the inner wall of the water inlet pipeline.
2. The vertical tube pump body for reducing hydraulic loss of claim 1, wherein: the upper edge of the starting end of the inlet partition plate is located at 1/2 of the total length of the upper end of the inner cavity of the water inlet pipeline, and the distance between the lower edge of the starting end of the inlet partition plate and the inlet of the water inlet pipeline is smaller than the distance between the upper edge of the starting end of the inlet partition plate and the inlet of the water inlet pipeline.
3. The vertical tube pump body for reducing hydraulic loss of claim 1, wherein: the inclined plane at the tail end of the inlet partition plate and the upper inclined plane of the water suction chamber partition plate are symmetrical relative to the axis of the water suction chamber cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022820082.8U CN214146022U (en) | 2020-11-30 | 2020-11-30 | Reduce hydraulic loss's vertical tubing pump body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022820082.8U CN214146022U (en) | 2020-11-30 | 2020-11-30 | Reduce hydraulic loss's vertical tubing pump body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214146022U true CN214146022U (en) | 2021-09-07 |
Family
ID=77567622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022820082.8U Expired - Fee Related CN214146022U (en) | 2020-11-30 | 2020-11-30 | Reduce hydraulic loss's vertical tubing pump body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214146022U (en) |
-
2020
- 2020-11-30 CN CN202022820082.8U patent/CN214146022U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210907 |