CN102635559A - Closed pipeline device of pump test system - Google Patents
Closed pipeline device of pump test system Download PDFInfo
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- CN102635559A CN102635559A CN2012101029703A CN201210102970A CN102635559A CN 102635559 A CN102635559 A CN 102635559A CN 2012101029703 A CN2012101029703 A CN 2012101029703A CN 201210102970 A CN201210102970 A CN 201210102970A CN 102635559 A CN102635559 A CN 102635559A
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Abstract
The invention provides a closed pipeline device of a pump test system. The closed pipeline device comprises a water tank, a centrifugal pump, a first flow collecting tank and a second flow collecting tank, wherein the water tank and the centrifugal pump are connected through a water inlet pipe, the top end of the water tank is connected with a vacuum-pumping device, the vacuum-pumping device comprises a vacuum pump, the water tank and the vacuum pump are connected through a vacuum device pipe, the water tank is provided with a water tank air inlet pipe, and a valve group is connected and arranged on the vacuum device pipe. The vacuum pump is a water-ring vacuum pump, and a first gas-water separator is installed on the vacuum pump. According to the closed pipeline device, a submersible pump is arranged in the water tank, the submersible pump and the water inlet pipe are connected through a submersible pump pipe so as to test parameters of a same water pump in different environments, and further test parameters generated in a cavitation phenomenon in the normal condition, as well as parameters of the pipes with different pipe diameters and in parallel connection. The device is convenient to use without needing of change and is low in test cost, and can not only test experimental parameters of the water pumps with different types, but also test the performance of the centrifugal pump, as well as the performance of the submersible pump.
Description
Technical field
The present invention 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.
Summary of the invention
The purpose of this invention is to provide a kind of pump class testing system enclosed piping installation, can address the above problem.
The present invention 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 object of the invention; 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 invention has the advantages that: can test the parameter of same water pump under varying environment, promptly can test the parameter that to 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 present invention also has compactness simple for structure, advantage cheap for manufacturing cost and easy to use.
Description of drawings
Fig. 1 is a structural representation of the present invention.
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 present invention can accomplish 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 present invention not only can measure 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.
Technological scheme of the present invention is not restricted in the embodiment's of the present invention scope.The present invention 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.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210102970.3A CN102635559B (en) | 2012-04-10 | 2012-04-10 | Closed pipeline device of pump test system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210102970.3A CN102635559B (en) | 2012-04-10 | 2012-04-10 | Closed pipeline device of pump test system |
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| CN102635559A true CN102635559A (en) | 2012-08-15 |
| CN102635559B CN102635559B (en) | 2015-02-25 |
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| CN201210102970.3A Active CN102635559B (en) | 2012-04-10 | 2012-04-10 | Closed pipeline device of pump test system |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788008A (en) * | 2012-08-27 | 2012-11-21 | 哈尔滨电气动力装备有限公司 | Forced circulation pump testing apparatus structure for boiler for thermal power station |
| CN103148345A (en) * | 2013-02-01 | 2013-06-12 | 太平洋水处理工程有限公司 | Energy-saving fully-automatic normally-lifting vacuum device |
| CN104564643A (en) * | 2015-01-06 | 2015-04-29 | 江苏大学 | Immersed pump cavitation test bed |
| CN104847671A (en) * | 2015-04-20 | 2015-08-19 | 中国石油化工股份有限公司 | Low-temperature submersible pump testing method |
| CN106762709A (en) * | 2016-12-13 | 2017-05-31 | 合肥工业大学 | A kind of micro- lift vertical axial-flow pump lift measurement apparatus and measuring method |
| CN106968934A (en) * | 2017-04-26 | 2017-07-21 | 广东肯富来泵业股份有限公司 | Pump cavitation surplus Auto-Test System and its method |
| CN106979162A (en) * | 2017-04-26 | 2017-07-25 | 广东肯富来泵业股份有限公司 | Pump closed testing bench control system and method for testing |
| CN110849647A (en) * | 2019-10-24 | 2020-02-28 | 上海交通大学 | On-line grading measurement system for evaluating separation efficiency of steam-water separation device |
| CN112664441A (en) * | 2020-12-09 | 2021-04-16 | 江苏大学镇江流体工程装备技术研究院 | Multifunctional water pump test board |
| CN112814924A (en) * | 2020-12-25 | 2021-05-18 | 浙江省机电设计研究院有限公司 | Automatic pipe replacing device for vertical centrifugal pump test and working method thereof |
| CN113236600A (en) * | 2021-06-03 | 2021-08-10 | 马震 | Pump shaft maintenance strengthening method |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788008A (en) * | 2012-08-27 | 2012-11-21 | 哈尔滨电气动力装备有限公司 | Forced circulation pump testing apparatus structure for boiler for thermal power station |
| CN102788008B (en) * | 2012-08-27 | 2015-06-10 | 哈尔滨电气动力装备有限公司 | Forced circulation pump testing apparatus structure for boiler for thermal power station |
| CN103148345A (en) * | 2013-02-01 | 2013-06-12 | 太平洋水处理工程有限公司 | Energy-saving fully-automatic normally-lifting vacuum device |
| CN103148345B (en) * | 2013-02-01 | 2016-05-18 | 太平洋水处理工程有限公司 | A kind of Water-saving full automatic often hangs vacuum plant |
| CN104564643A (en) * | 2015-01-06 | 2015-04-29 | 江苏大学 | Immersed pump cavitation test bed |
| CN104847671A (en) * | 2015-04-20 | 2015-08-19 | 中国石油化工股份有限公司 | Low-temperature submersible pump testing method |
| CN106762709A (en) * | 2016-12-13 | 2017-05-31 | 合肥工业大学 | A kind of micro- lift vertical axial-flow pump lift measurement apparatus and measuring method |
| CN106979162A (en) * | 2017-04-26 | 2017-07-25 | 广东肯富来泵业股份有限公司 | Pump closed testing bench control system and method for testing |
| CN106968934A (en) * | 2017-04-26 | 2017-07-21 | 广东肯富来泵业股份有限公司 | Pump cavitation surplus Auto-Test System and its method |
| CN106979162B (en) * | 2017-04-26 | 2018-12-04 | 广东肯富来泵业股份有限公司 | Pump closed testing bench control system and test method |
| CN106968934B (en) * | 2017-04-26 | 2018-12-18 | 广东肯富来泵业股份有限公司 | Pump cavitation surplus Auto-Test System and its method |
| CN110849647A (en) * | 2019-10-24 | 2020-02-28 | 上海交通大学 | On-line grading measurement system for evaluating separation efficiency of steam-water separation device |
| CN112664441A (en) * | 2020-12-09 | 2021-04-16 | 江苏大学镇江流体工程装备技术研究院 | Multifunctional water pump test board |
| CN112814924A (en) * | 2020-12-25 | 2021-05-18 | 浙江省机电设计研究院有限公司 | Automatic pipe replacing device for vertical centrifugal pump test and working method thereof |
| CN112814924B (en) * | 2020-12-25 | 2022-05-20 | 浙江省机电设计研究院有限公司 | Automatic pipe replacing device for vertical centrifugal pump test and working method thereof |
| CN113236600A (en) * | 2021-06-03 | 2021-08-10 | 马震 | Pump shaft maintenance strengthening method |
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| CN102635559B (en) | 2015-02-25 |
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