CN202628545U - Closed pipeline device for pump testing system - Google Patents
Closed pipeline device for pump testing system Download PDFInfo
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- CN202628545U CN202628545U CN 201220148041 CN201220148041U CN202628545U CN 202628545 U CN202628545 U CN 202628545U CN 201220148041 CN201220148041 CN 201220148041 CN 201220148041 U CN201220148041 U CN 201220148041U CN 202628545 U CN202628545 U CN 202628545U
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- pump
- water
- pipe
- afflux
- jar
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Abstract
The utility model discloses a closed pipeline device for a pump testing system. The device comprises a water tank, a centrifugal pump, a first water collecting tank and a second water collecting tank, wherein the water tank is connected with the centrifugal pump through a water inlet pipe; the top of the water tank is connected with an evacuating device; the evacuating device comprises a vacuum pump; the water tank is connected with the vacuum pump through a vacuum device pipe; a water tank air inlet pipe is arranged on the water tank; and the vacuum device pipe is connected with an installation valve group. According to the closed pipeline device, the vacuum pump is a water ring vacuum pump, a first water-steam separator is arranged on the vacuum pump, a submersible pump is arranged in the water tank and is connected with the water inlet pipe through a submersible pump pipe, parameters of the same water pump in different environments can be tested, the parameters of the water pump under a normal condition can be tested, when a cavitation phenomenon appears, the parameters of the water pump can also be tested, the parameters of the water pump with different pipe diameters and the parameters of the water pump with parallel pipes can be tested, and testing equipment is not required to be replaced; the device is convenient to use, and the testing cost is low; and experimental parameters of different types of water pumps can be tested, and the performance of the centrifugal pump and the submersible pump can be tested.
Description
Technical field
The utility model relates to a kind of test pumping installations, exactly is a kind of pump class testing system enclosed pipeline.
Background technique
The water pump test generally needs test parameter under varying environment.For example: during normal course of operation, when cavitation phenomenon occurring, in the pipeline of different-diameter with multiple pipeline parallel connection process in relevant parameter.Water pump comprises centrifugal pump (vertical, horizontal, single-stage, multistage) and submersible pump (well is with, small-sized, sewage, mining, single-phase, screw rod) etc., and the parameter of various pumps also need be passed through test.There is following shortcoming in present testing apparatus: 1, a kind of testing apparatus can only be measured the Operational Limits under single environment of pump; The parameter that obtains if desired under more environment need be changed to different testing apparatuss; Complicated operation is loaded down with trivial details; Use inconvenience, testing cost is high, and the replacing process occupies the great amount of time of test; 2, the test parameters that testing apparatus can only be tested one type pump can't realize the testing property of different types of water pump, the narrow application range of a device; 3, test installation of pump because residual test water outflows in the pipeline, not only causes test stand dirty and messy in test finishes back dismounting centrifugal pump process, and the efficient of scale removal process influence dismounting centrifugal pump, and test water runs off simultaneously.A kind of testing apparatus of various water pumps under varying environment of can testing is the emphasis that present those skilled in the art study.
The model utility content
The purpose of the utility model provides a kind of pump class testing system enclosed piping installation, can address the above problem.
The utility model is for realizing above-mentioned purpose; Realize through following technological scheme: pump class testing system enclosed piping installation, comprise water pot, centrifugal pump, the first afflux jar and the second afflux jar, connect through intake pipe between water pot and the centrifugal pump; Connect through outlet pipe between the centrifugal pump and the first afflux jar; Connect through several sounding pipes between the first afflux jar and the second afflux jar, parallel connection between each sounding pipe connects through return pipe between the second afflux jar and the water pot; Mounted valve group respectively on intake pipe, outlet pipe, sounding pipe and the return pipe installs and measures device on intake pipe, outlet pipe, the sounding pipe; Intake pipe, outlet pipe and return pipe are main line.
In order further to realize the purpose of the utility model; Can also adopt following technological scheme: the water pot top connects vacuum pumping device; Described vacuum pumping device comprises vacuum pump; Connect through the vacuum system pipe between water pot and the vacuum pump, the water pot suction tude is installed on the water pot, the vacuum system pipe connects goes up the mounted valve group.Described vacuum pump is a Nash hytor, and first steam-water separator is installed on the vacuum pump.Submersible pump is set in the water pot, is connected through the diving pump line between submersible pump and the intake pipe, the pump line of diving under water is connected on the valve sets and the pipeline between the first afflux jar of intake pipe.Reflux is installed on the main line; Described reflux comprises the main line suction tude and second steam-water separator; Mounted valve group on the main line suction tude; Connect through the second steam-water separator intake pipe between the main line and second steam-water separator, connect mounted valve group on the second steam-water separator intake pipe and/or the second steam-water separator outlet pipe through the second steam-water separator outlet pipe between between second steam-water separator and the water pot.Described valve sets is made up of manually operated valve and electric control valve or mortor operated valve and electric control valve.Described water pot, the first afflux jar and the second afflux jar are installed water pot bleed valve, the first afflux jar bleed valve and the second afflux jar bleed valve respectively; Safety valve is installed on the water pot.
The advantage of the utility model is: can test the parameter of same water pump under varying environment, promptly can test the parameter that can accomplish again under the normal state when cavitation phenomenon occurring, the parameter in the time of can also testing the parallel connection of different tube diameters and each caliber; Need not to change testing apparatus; Simple and efficient to handle, easy to use, testing cost is low; Save the test time, can increase work efficiency; Test parameters that can also the test different types water pump, for example: both can test performance of centrifugal pump and also can test the submersible pump performance; After test finished, test water was back to water pot, and no test water flows out in the dismounting water pump process, can keep the test stand cleaning.The utility model also has compactness simple for structure, advantage cheap for manufacturing cost and easy to use.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Numerals: a centrifugal pump? 2 jugs? 3 Episode flow tank? 4 Episode flow tank? 5 Inlet? 6 outlet? 7 measuring tube? 8 return pipe? 9 pump? 10 vacuum tubes? 11 first separator? 12 submersible pumps? 13 submersible pump tube? 14 second separator? 15 second separator inlet pipe? 16 second separator outlet? 17 main line into the trachea? 18 water cans into the trachea? 19 tank vent valve? 20 Episode flow tank vent valve? 21 Episode flow tank vent valve? 22 valve? 23 spare valve group? 24 valve? 25 airflow Scale? 26 water scale? 27 thermometers? 28 gauge? 29 level gauge.
Embodiment
Pump class testing system enclosed pipeline; As shown in the figure, comprise water pot 2, centrifugal pump 1, the first afflux jar 3 and the second afflux jar 4, connect through intake pipe 5 between water pot 2 and the centrifugal pump 1; Connect through outlet pipe 6 between the centrifugal pump 1 and the first afflux jar 3; Connect through four measuring pipe 7 between the first afflux jar 3 and the second afflux jar 4, parallel connection between each sounding pipe 7 connects through return pipe 8 between the second afflux jar 4 and the water pot 2; Mounted valve group respectively on intake pipe 5, outlet pipe 6, sounding pipe 7 and the return pipe 8 installs and measures device on intake pipe 5, outlet pipe 6, the sounding pipe 7; Intake pipe 5, outlet pipe 6 and return pipe 8 are main line.The diameter of each sounding pipe 7 is different.Described measuring device comprises water flowmeter 26, thermometer 27, pressure gauge 28 and water level gage 29.Water flowmeter 26 is installed on each sounding pipe 7, equal mounting temperature table 27 and pressure gauge 28 on intake pipe 5 and the outlet pipe 6, setting pressure table 28 and water level gage 29 on the water pot 2.When measuring, open valve sets, start centrifugal pump, write down each measuring device data when centrifugal pump is made an experiment.When needs measure of the change environment, through the valve sets on the opening/closing sounding pipe 7, change the situation of pipeline, realize measuring the purpose of centrifugal pump under the varying environment.Compare with the traditional measurement device, situation that can the flexible transformation pipeline, the parameter of different pipelines when conveniently measuring centrifugal pump and normally using, measuring range increases.
The parameter of water pump when cavitation phenomenon occurring for measurement; Water pot 2 tops connect vacuum pumping device, and described vacuum pumping device comprises vacuum pump 9, connect through vacuum system pipe 10 between water pot 2 and the vacuum pump 9; Water pot suction tude 18 is installed on the water pot 2, and vacuum system pipe 10 connects goes up the mounted valve group.When needs carry out cavitation test be, start vacuum pump 9, reduce the pressure in the device, reaching environment when cavitation phenomenon occurring, after the off-test, the canister incoming gas pipe 18 of fetching boiling water makes that environment recovers in the device.The utility model can be accomplished the task of measuring the parameter of water pump when cavitation phenomenon occurring, need not the measuring device that more renews during measurement, implements convenient and swift.9, two vacuum pump 9 parallel connections of two vacuum pumps are installed on the vacuum system pipe 10, during use, can work independently by a vacuum pump 9, also can work simultaneously by two vacuum pumps 9.This structure can not only improve the degree of vacuum in the device, can also another vacuum pump 9 replacement work when a vacuum pump 9 goes wrong, thus the normal operation of proof test process.
For realize measuring the diving pump performance, submersible pump 12 is set in the water pot 2, be connected through the pump line 13 of diving under water between submersible pump 12 and the intake pipe 5, the pump line 13 of diving under water is connected on the valve sets and the pipeline between the first afflux jar 3 of intake pipe 5.When needs are measured submersible pump 12; Close the valve sets on the intake pipe 5; Form the loop between submersible pump 12, water pot, the first afflux jar 3, the second afflux jar 4 and the main line; Through thermometer on the intake pipe 5 27 and pressure gauge 28, the measurement that makes an experiment of the performance of the 26 pairs of submersible pumps 12 of water flowmeter on the sounding pipe 7.The utility model not only can be measured centrifugal technical data required for the pump, also can accomplish the experimental measurement of submersible pump.The measurement easy switching is flexible, can realize the test mission of multiple pump class.
For preventing the problem of the outflow of unloading process test water and test for contamination platform after the off-test; Reflux is installed on the main line; Described reflux comprises the main line suction tude 17 and second steam-water separator 14, and mounted valve group on the main line suction tude 17 connects through the second steam-water separator intake pipe 15 between the main line and second steam-water separator 14; As shown in the figure; Second steam-water separator 14 is connected with intake pipe 5, connects mounted valve group on the second steam-water separator intake pipe 15 and the second steam-water separator outlet pipe 16 through the second steam-water separator outlet pipe 16 between between second steam-water separator 14 and the water pot 2.After test finishes; Close the valve sets on the intake pipe 5; Open the valve sets ventilation in device on the suction tude 17, open mounted valve group on the second steam-water separator intake pipe 15 and the second steam-water separator outlet pipe 16 simultaneously, residual test water is pressed into second steam-water separator 14; Gas is discharged into atmosphere, and moisture is back in the water pot 2.Residual test water by in the main line has been back to water pot 2, does not have test water outflow, the cleaning of proof test platform at unloading process; Unloading process need not in the cleaning work of water that makes an experiment, the working efficiency in the time of can improving dismounting; Can not cause the test water loss simultaneously because of unloading process.
Described valve sets is made up of manually operated valve and electric control valve or mortor operated valve and electric control valve.Manually operated valve is with low cost, and installation, maintenance is convenient; Mortor operated valve is easy to use, quick, can realize remote switch, is convenient to test operation; The motorized adjustment valve regulation is accurate, can the proof test process stabilization, and test data is accurate.
Be the safety of proof test process, described water pot 2, the first afflux jar 3 and the second afflux jar 4 are installed water pot bleed valve 19, the first afflux jar bleed valve 20 and the second afflux jar bleed valve 21 respectively; Safety valve 22 is installed on the water pot 2.Safety check 24 is installed on the main line suction tude 17 and the second steam-water separator outlet pipe 16.
For the ease of the calculating of control and measurement result, valve sets, measuring device and water pump are connected control gear, and control gear is made up of upper-position unit and lower-position unit.Lower-position unit adopts PLC, is connected with relay, valve sets and the measuring device of water pump through each module output interface; Upper-position unit adopts computer, and test software is installed, and can obtain the data of the measuring device of lower-position unit, and the setting of display device running state, parameter, the storage of data, and curve plotting are through the switching of lower-position unit control valve device and water pump.
The technological scheme of the utility model is not restricted in the described embodiment's of the utility model the scope.The utility model not technology contents of detailed description is known technology.
Claims (7)
1. pump class testing system enclosed piping installation; It is characterized in that: comprise water pot (2), centrifugal pump (1), the first afflux jar (3) and the second afflux jar (4); Connect through intake pipe (5) between water pot (2) and the centrifugal pump (1); Connect through outlet pipe (6) between the centrifugal pump (1) and the first afflux jar (3); Connect through several sounding pipes (7) between the first afflux jar (3) and the second afflux jar (4), parallel connection between each sounding pipe (7) connects through return pipe (8) between the second afflux jar (4) and the water pot (2); Mounted valve group respectively on intake pipe (5), outlet pipe (6), sounding pipe (7) and the return pipe (8), intake pipe (5), outlet pipe (6), sounding pipe install and measure device on (7); Intake pipe (5), outlet pipe (6) and return pipe (8) are main line.
2. pump class testing according to claim 1 system enclosed piping installation; It is characterized in that: water pot (2) top connects vacuum pumping device; Described vacuum pumping device comprises vacuum pump (9); Connect through vacuum system pipe (10) between water pot (2) and the vacuum pump (9), water pot (2) is gone up water pot suction tude (18), mounted valve group in vacuum system pipe (10) connection is installed.
3. pump class testing according to claim 2 system enclosed piping installation, it is characterized in that: described vacuum pump (9) is a Nash hytor, vacuum pump (9) is gone up first steam-water separator (11) is installed.
4. pump class testing according to claim 1 system enclosed piping installation; It is characterized in that: submersible pump (12) is set in the water pot (2); Is connected through diving pump line (13) between submersible pump (12) and the intake pipe (5), the pump line (13) of diving under water is connected on the valve sets and the pipeline between the first afflux jar (3) of intake pipe (5).
5. pump class testing according to claim 1 system enclosed piping installation; It is characterized in that: reflux is installed on the main line; Described reflux comprises main line suction tude (17) and second steam-water separator (14); Main line suction tude (17) goes up the mounted valve group; Connect through the second steam-water separator intake pipe (15) between main line and second steam-water separator (14), connect through the second steam-water separator outlet pipe (16) between between second steam-water separator (14) and the water pot (2), the second steam-water separator intake pipe (15) and/or the second steam-water separator outlet pipe (16) be the mounted valve group upward.
6. according to the described pump class testing of arbitrary claim system enclosed piping installation in the claim 1 to 5, it is characterized in that: described valve sets is made up of manually operated valve and electric control valve or mortor operated valve and electric control valve.
7. according to the described pump class testing of arbitrary claim system enclosed piping installation in the claim 1 to 5, it is characterized in that: described water pot (2), the first afflux jar (3) and the second afflux jar (4) are installed water pot bleed valve (19), the first afflux jar bleed valve (20) and the second afflux jar bleed valve (21) respectively; Water pot (2) is gone up safety valve (22) is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220148041 CN202628545U (en) | 2012-04-10 | 2012-04-10 | Closed pipeline device for pump testing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220148041 CN202628545U (en) | 2012-04-10 | 2012-04-10 | Closed pipeline device for pump testing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202628545U true CN202628545U (en) | 2012-12-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220148041 Expired - Fee Related CN202628545U (en) | 2012-04-10 | 2012-04-10 | Closed pipeline device for pump testing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202628545U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102635559A (en) * | 2012-04-10 | 2012-08-15 | 山东省农业机械科学研究所 | Closed pipeline device of pump test system |
| CN104047870A (en) * | 2014-07-04 | 2014-09-17 | 中国科学院合肥物质科学研究院 | Closed-loop-type liquid heavy metal mechanical pump performance testing device |
| CN104329270A (en) * | 2014-10-30 | 2015-02-04 | 中国核动力研究设计院 | Device used for pump cavitation experiment and implementation method thereof |
-
2012
- 2012-04-10 CN CN 201220148041 patent/CN202628545U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102635559A (en) * | 2012-04-10 | 2012-08-15 | 山东省农业机械科学研究所 | Closed pipeline device of pump test system |
| CN102635559B (en) * | 2012-04-10 | 2015-02-25 | 山东省农业机械科学研究所 | Closed pipeline device of pump test system |
| CN104047870A (en) * | 2014-07-04 | 2014-09-17 | 中国科学院合肥物质科学研究院 | Closed-loop-type liquid heavy metal mechanical pump performance testing device |
| CN104047870B (en) * | 2014-07-04 | 2016-03-02 | 中国科学院合肥物质科学研究院 | A kind of closed loop formula liquid heavy metal mechanical pump performance testing device |
| CN104329270A (en) * | 2014-10-30 | 2015-02-04 | 中国核动力研究设计院 | Device used for pump cavitation experiment and implementation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20121226 Termination date: 20170410 |