CN211901003U - Centrifugal pump performance measuring device - Google Patents
Centrifugal pump performance measuring device Download PDFInfo
- Publication number
- CN211901003U CN211901003U CN202020090442.0U CN202020090442U CN211901003U CN 211901003 U CN211901003 U CN 211901003U CN 202020090442 U CN202020090442 U CN 202020090442U CN 211901003 U CN211901003 U CN 211901003U
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- Prior art keywords
- centrifugal pump
- pipeline
- pressure sensor
- outlet
- performance measuring
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 230000001105 regulatory effect Effects 0.000 claims abstract description 5
- 230000008676 import Effects 0.000 claims 1
- 230000003245 working effect Effects 0.000 abstract description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Control Of Non-Positive-Displacement Pumps (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a centrifugal pump capability test device belongs to centrifugal pump technical field. The centrifugal pump is connected with the water tank through a water inlet pipeline, a one-way valve is arranged on the water inlet pipeline, the inlet pressure sensor is arranged at the inlet pipeline of the centrifugal pump, the turbine flowmeter, the electric regulating valve and the water tank are sequentially connected with the outlet of the centrifugal pump through pipelines, and the outlet pressure sensor is arranged at the outlet pipeline of the centrifugal pump; the utility model discloses mainly adjust the operational data who surveys the centrifugal pump through electrical control valve and turbine flowmeter, reach the best working property's of pump numerical value to apply in the practice with the work efficiency who improves the centrifugal pump.
Description
Technical Field
The utility model belongs to the technical field of the centrifugal pump, concretely relates to centrifugal pump capability test device.
Background
The performance curve of the centrifugal pump is one of important bases for selecting and using the centrifugal pump, is the relation curve between the pump lift, the efficiency of the shaft power meter and the flow rate of the pump under constant rotating speed, and is a macroscopic expression form of the flowing rule of fluid in the pump. Because the flow condition in the pump is complex, a performance relation curve of the pump cannot be deduced by a theoretical method, and experimental determination can be carried out only by a specific device.
SUMMERY OF THE UTILITY MODEL
To defect and not enough problem among the prior art, the utility model provides a centrifugal pump capability test device mainly adjusts the operational data who surveys the centrifugal pump through electrical control valve and turbine flowmeter, reachs the numerical value of the best working property of pump to apply in the practice with the work efficiency who improves the centrifugal pump.
The utility model provides a technical scheme that its technical problem adopted does:
the utility model provides a centrifugal pump capability test device, includes water tank, centrifugal pump, inlet pressure sensor, outlet pressure sensor, turbine flowmeter and electrical control valve, the centrifugal pump passes through the inlet channel and links to each other with the water tank, is equipped with the check valve on the inlet channel, and centrifugal pump inlet pipeline department is equipped with inlet pressure sensor, and the centrifugal pump export has connected gradually turbine flowmeter, electrical control valve and water tank through the pipeline, and the outlet pipeline department of centrifugal pump is equipped with outlet pressure sensor.
Furthermore, a pump filling opening and a temperature sensor are arranged on the inlet pipeline of the centrifugal pump.
Furthermore, a rotating speed sensor is arranged on the centrifugal pump.
Furthermore, a water outlet valve is arranged on the outlet pipeline.
Furthermore, a bypass gate valve is arranged on the pipeline at the electric control valve.
Furthermore, a buffer plate is arranged in the water tank, a water filling port is arranged at the bottom of the right side of the water tank and is connected with a water pump through a pipeline, and a water inlet valve is arranged on the pipeline.
Further, the centrifugal pump, the inlet pressure sensor, the outlet pressure sensor, the temperature sensor, the turbine flowmeter and the electric regulating valve are respectively electrically connected to a controller with a display screen.
The utility model discloses following beneficial effect has: the pump filling port is arranged for filling water to the centrifugal pump before an experiment, discharging gas in the pump and preventing the centrifugal pump from being air bound; the electric control valve can accurately control the flow.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The following describes in detail embodiments of the present invention with reference to the accompanying drawings.
As shown in figure 1, a centrifugal pump performance measurement device, including water tank 1, centrifugal pump 2, inlet pressure sensor 4, outlet pressure sensor 6, turbine flowmeter 7 and electrical control valve 9, centrifugal pump 2 passes through the inlet channel and links to each other with water tank 1, is equipped with the check valve on the inlet channel, and 2 inlet pipeline departments of centrifugal pump are equipped with inlet pressure sensor 4, and 2 exports of centrifugal pump have connected gradually turbine flowmeter 7, electrical control valve 9 and water tank 1 through the pipeline, and 2 outlet pipeline departments of centrifugal pump are equipped with outlet pressure sensor 6.
And a pump filling opening 5 and a temperature sensor 3 are arranged on an inlet pipeline of the centrifugal pump 2.
And a rotating speed sensor 8 is arranged on the centrifugal pump 2.
And a water outlet valve 12 is arranged on the outlet pipeline.
And a bypass gate valve 10 is arranged on the pipeline at the position of the electric control valve 9.
A buffer plate is arranged in the water tank 1, a water filling port is arranged at the bottom of the right side of the water tank and is connected with a water pump through a pipeline, and a water inlet valve 11 is arranged on the pipeline.
The centrifugal pump 2, the inlet pressure sensor 4, the outlet pressure sensor 6, the temperature sensor 3, the turbine flowmeter 7 and the electric regulating valve 9 are respectively electrically connected to a controller with a display screen.
Specifically, water is filled into the centrifugal pump through a pump filling opening, and gas in the pump is discharged. The water inlet valve is opened, the centrifugal pump is started, the opening degree of the electric control valve is opened to 0, and the opening degree of the electric control valve can be gradually adjusted after the pump reaches the rated rotating speed. The opening degree of the electric regulating valve is gradually increased through the controller so as to increase the flow, and corresponding data are recorded after the reading display on the display screen is stable. The performance experiment of the centrifugal pump mainly obtains experimental data as follows: flow, pump inlet pressure, pump outlet pressure, motor power, pump speed, fluid temperature, and height difference between two pressure points. After about 10 groups of data are measured, the pump can be stopped, and the outlet valve is closed before the pump is stopped.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. The present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only for illustrating the principle of the present invention, and the present invention will have various changes and improvements without departing from the spirit and scope of the present invention, and these changes and improvements all fall into the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A performance measuring device of a centrifugal pump is characterized in that: including water tank, centrifugal pump, import pressure sensor, outlet pressure sensor, turbine flowmeter and electrical control valve, the centrifugal pump passes through the inlet channel and links to each other with the water tank, is equipped with the check valve on the inlet channel, and centrifugal pump inlet pipeline department is equipped with inlet pressure sensor, and the centrifugal pump export has connected gradually turbine flowmeter, electrical control valve and water tank through the pipeline, and the outlet pipeline department of centrifugal pump is equipped with outlet pressure sensor.
2. A centrifugal pump performance measuring apparatus according to claim 1, wherein: and a pump filling opening and a temperature sensor are arranged on the inlet pipeline of the centrifugal pump.
3. A centrifugal pump performance measuring apparatus according to claim 1, wherein: and a rotating speed sensor is arranged on the centrifugal pump.
4. A centrifugal pump performance measuring apparatus according to claim 1, wherein: and a water outlet valve is arranged on the outlet pipeline.
5. A centrifugal pump performance measuring apparatus according to claim 1, wherein: and a bypass gate valve is arranged on the pipeline at the electric control valve.
6. A centrifugal pump performance measuring apparatus according to claim 1, wherein: the water tank is internally provided with a buffer plate, the bottom of the right side of the water tank is provided with a water filling port, the water filling port is connected with a water pump through a pipeline, and the pipeline is provided with a water inlet valve.
7. A centrifugal pump performance measuring apparatus according to claim 1, wherein: the centrifugal pump, the inlet pressure sensor, the outlet pressure sensor, the temperature sensor, the turbine flowmeter and the electric regulating valve are respectively electrically connected to a controller with a display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020090442.0U CN211901003U (en) | 2020-01-16 | 2020-01-16 | Centrifugal pump performance measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020090442.0U CN211901003U (en) | 2020-01-16 | 2020-01-16 | Centrifugal pump performance measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211901003U true CN211901003U (en) | 2020-11-10 |
Family
ID=73302459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020090442.0U Expired - Fee Related CN211901003U (en) | 2020-01-16 | 2020-01-16 | Centrifugal pump performance measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211901003U (en) |
-
2020
- 2020-01-16 CN CN202020090442.0U patent/CN211901003U/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: 20201110 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |