CN209761754U - Testing device for pump set competitive optimization test for ships - Google Patents
Testing device for pump set competitive optimization test for ships Download PDFInfo
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- CN209761754U CN209761754U CN201920145181.5U CN201920145181U CN209761754U CN 209761754 U CN209761754 U CN 209761754U CN 201920145181 U CN201920145181 U CN 201920145181U CN 209761754 U CN209761754 U CN 209761754U
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Abstract
the utility model discloses a pump set competition optimization test testing device for ships, a pipeline system comprises at least 2 branch pipelines, the branch pipelines comprise a water inlet connecting pipe, a pump to be tested and a water outlet connecting pipe, the water inlet connecting pipe is connected with the water inlet of the pump, and the water outlet of the pump is connected with the water outlet connecting pipe through a flexible connecting pipe; the water inlets of the water inlet connecting pipes of all the branch pipelines are connected with a water inlet main pipe, the water outlets of the water outlet connecting pipes of all the branch pipelines are connected with a water return main pipe, and the water inlet main pipe and the water return main pipe are connected with the water storage tank to form a loop, namely a main pipeline; the utility model discloses the realization is to the test of single pump package performance and many pump package comprehensive properties to stability, reliability when the promotion is moved under pump package performance test's accuracy and many pump package multiplex condition.
Description
Technical Field
The utility model relates to an experimental testing arrangement that naval vessel field used, more specifically relate to a naval vessel is with pump package test testing arrangement that contests excellent for simulation naval vessel uses most volume polytypic pump package that the operating mode is down to contest excellent examination.
Background
In the application field of ships and warships, due to the limitation of the internal space, the number and the types of pipelines, valves and pumps are very large, and the arrangement is compact. Therefore, in order to reduce maintenance frequency, improve use reliability and stability and meet technical indexes in the aspects of whole system mechanics, acoustics and electromagnetism, the type selection of equipment is particularly rigorous, and valves, pumps and the like which are not tested cannot be directly installed and used on ships.
The utility model discloses well main description is a device of pump package optimum test for naval vessel. The pump set is used as scientific research auxiliary equipment matched with ships, and the phenomenon of random vortex, flow separation, secondary backflow and the like always exists in the pump body, particularly in a flow field in the impeller due to the specific flow channel type and the rotation motion of the impeller, so that abnormal turbulent flow in the pump set is abnormally complicated, and great difficulty is brought to the research on mechanical properties, acoustic properties, electromagnetic properties and the like of the pump set. Meanwhile, the pump sets for ships at home and abroad have various suppliers and uneven performance, so that the performance evaluation of different pump sets is more difficult, and the working strength is higher.
At present, the pump set is evaluated in the industry by adopting analog simulation calculation or pure theoretical mathematical analysis. The complexity and variability of fluid movement within a pump is often difficult to simulate in a comprehensive and realistic manner, and therefore such simulations or calculations serve merely as a reference for the pump set to compete. In order to avoid the limitation of analog simulation, a single-circulation pipeline test mode is adopted for testing, and various indexes such as flow, pressure, noise, flow resistance and the like can be monitored in real time through various sensors and instruments. However, the pump set pipeline of the ship is a system project, and different pipelines and different pump sets still have delicate connection and mutually influence the aspects of mechanics, acoustics and electromagnetism.
Therefore, the utility model discloses a test device is examined to land pump package performance of multitube way multiplex condition that describes has extremely important meaning to the screening of pump package and subsequent improvement and development of hydraulic performance, pump package design method's innovation etc.
Disclosure of Invention
The utility model discloses a naval vessel is with pump package test device that excels in, its purpose is not enough to prior art, realizes the test to single pump package performance and many pump package comprehensive properties to stability, reliability when the promotion is moved under pump package performance test's accuracy and the many pump packages multiplex condition.
in order to realize the purpose, the following technical scheme is adopted:
The utility model provides a naval vessel is with pump package test device that competes for you, includes pipe-line system, cooling system, electric system, its characterized in that:
The pipeline system comprises at least 2 branch pipelines, each branch pipeline comprises a water inlet connecting pipe, a pump to be tested and a water outlet connecting pipe, the water inlet connecting pipe is connected with a water inlet of the pump, and a water outlet of the pump is connected with the water outlet connecting pipe through a flexible connecting pipe 28;
an outlet regulating valve is arranged on the water outlet connecting pipe;
The water inlets of the water inlet connecting pipes of all the branch pipelines are connected with a water inlet main pipe, the water outlets of the water outlet connecting pipes of all the branch pipelines are connected with a water return main pipe, and the water inlet main pipe and the water return main pipe are connected with the water storage tank to form a loop, namely a main pipeline;
The cooling system comprises a water storage tank, a heat exchanger and a cooling tower, wherein a connecting port of the water storage tank and a return water main pipe is connected with the heat exchanger through a circulating pump, a connecting port of the water storage tank and the water inlet main pipe is connected with the heat exchanger through a valve, part of high-temperature test medium is introduced into the heat exchanger through the circulating pump for cooling to obtain low-temperature medium, and the low-temperature medium is injected into the return water main pipe for mixing; the heat exchanger is connected with the cooling tower through another circulating pump and is used for introducing a cooling medium in the heat exchanger into the cooling tower for cooling;
The electric system comprises a motor, a starter, a power meter, a tachometer, a control and data acquisition system, a computer, an outlet pressure gauge, an inlet pressure gauge, a flowmeter and a thermometer; the pump is driven by a motor, the motor is provided with a starter and a tachometer, the starter is connected with a power meter, and the water outlet connecting pipe is provided with an outlet pressure gauge, a flowmeter and a thermometer; all the power meters, the tachometers, the outlet pressure meters, the flow meters and the thermometers are connected with a control and data acquisition system for acquiring data, and the control and data acquisition system is connected with a computer for storing and processing data.
The branch pipeline is fixed on the ground through a pipeline support, and the pump is fixed on the ground through a damping support.
the test medium is seawater or fresh water.
The pipeline system is divided into two areas for respectively simulating the working conditions of seawater and fresh water, and each area is independently provided with a main pipeline, a water storage tank and a cooling system.
The area can be divided into groups by a plurality of branch pipes, and each group is provided with a main pipeline, a water storage tank and a cooling system independently.
The utility model discloses the realization is to the test of single pump package performance and many pump package comprehensive properties to stability, reliability when the promotion is moved under pump package performance test's accuracy and many pump package multiplex condition.
Drawings
FIG. 1 is a schematic diagram of a multi-pipeline design structure of a pump set competition optimization test device for a ship
FIG. 2 is a schematic view of each pipeline structure of a testing device for a ship pump set competition optimization test
FIG. 3 is a schematic diagram of a single pump test loop of a pump set competition optimization test device for a ship
FIG. 4 is a schematic block diagram of a cooling system of a pump set competition optimization test device for a ship
Wherein: 23-water storage tank, 24-cooling tower, 25-heat exchanger, 26-circulating pump, 27-backwater connecting pipe, 28-flexible connecting pipe, 29-pump to be tested, 30-vibration reduction support, 31-pipeline support, 32-water inlet connecting pipe, 33-motor, 34-starter, 35-power meter, 36-tachometer, 37-control and data acquisition system, 38-computer, 39-outlet pressure meter, 40-inlet pressure meter, 41-outlet regulating valve, 42-flowmeter and 43-thermometer.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
The test device described in the present invention is shown in fig. 1, and includes three systems, namely a piping system, a cooling system and an electrical system.
further, as shown in fig. 1, the pipeline system includes 3 sets of relatively independent test circulation pipelines, and each set of test circulation pipeline includes a pipeline, a circulation pump and a water storage tank. The circulation of the flowing medium is realized through circulation, and the smooth operation of the test is ensured.
Further, as shown in fig. 1, the cooling system includes a cooling water circulation line, a cooling tower, a heat exchanger, and the like. Through the cooling system, the flowing medium in the pipeline can be thermally replaced, so that the temperature of the flowing medium meets the actual use requirement of the ship.
further, as shown in fig. 1, the present invention includes two sets of experimental test piping systems, which are marked with the first region and the second region respectively. The two regions simulate the working conditions of seawater and fresh water media respectively. Different mediums are connected into different water storage tanks. The mechanical, acoustic and electromagnetic characteristics of various pump sets under the conditions of two different media of seawater and fresh water can be simulated.
further, as shown in fig. 1, each group of piping system of the present invention includes a plurality of branch pipes. For convenience of description, a single group of 11 branch pipes is taken as an example. The test device comprises pumps of different types and pipelines connected with the pumps, and is characterized by large scale, the water inlet pipe and the water outlet pipe of each branch pipeline are respectively welded with a main pipeline, and the main pipeline is connected with the water storage tank 23. The water storage tank is connected to a heat exchanger 25 which in turn is connected to a circulation pump 26 and a cooling tower 24.
further, as shown in fig. 2, the utility model discloses each pump of experimental test pipe-line system adopts the crisscross arrangement mode in interval, utilizes the limited space of arranging of naval vessel to the utmost extent, has satisfied different test project's demand.
Further, as shown in fig. 2, every branch pipeline of pump package optimizing test device for naval vessel includes: a water return connecting pipe 27, a flexible connecting pipe 28, a pump 29 to be tested, a vibration reduction bracket 30, a pipeline bracket 31 and a water inlet connecting pipe 32. Wherein the pump to be tested 29 indicates the position of each pump.
further, naval vessel is with pump package test device of competing for you, divide the pipeline per minute and all connect a stop valve, governing valve and flowmeter for real time control pipeline break-make, aperture size are adjusted and monitoring flow size, and the data real-time transport of being convenient for is to the host computer, and the data arrangement and the analysis in the later stage of being convenient for are shown like the single pump test loop of fig. 3.
further, as shown in fig. 4, naval vessel pump package is competitively excellent and is tested testing arrangement, use the circulating pump to introduce the heat exchanger with part high temperature test medium and cool off and obtain the low temperature medium to pour into the return water house steward and mix. The medium in the heat exchanger is introduced into the cooling tower by another circulating pump for cooling.
The utility model discloses a work flow as follows:
As shown in figure 1, when pumps of different manufacturers of the same type of valve group are subjected to a competitive optimization test, one branch is selected, for example, when the branch in which the pump 1 is located is selected, the stop valves of other branches are closed. The flow rate or pressure of the branch is adjusted to a required size through various valves and flow meters (as shown in fig. 2), and then performance parameters of the pump are monitored and recorded one by one through various sensors arranged on the pipeline. And after the test is finished, the pump set with the optimal selective performance participates in the subsequent combined test work.
The opening of the regulating valve at the outlet side of the pipeline is regulated to regulate the exhaust pressure and the exhaust flow, and various external characteristic parameter working conditions of the pump are simulated. The sensors arranged on the pipeline automatically acquire information such as pump flow, suction pressure, discharge pressure, power, rotating speed and the like in real time, and identify, communicate and process acquired data. And calculating through the acquired measured data to obtain the pump flow, the lift, the shaft power and the efficiency value under the standard condition. On the basis of the acquired data, the temperature and the atmospheric pressure of the medium are acquired, so that the cavitation residual of the acquisition point can be further calculated, and the performance of each pump set can be judged, and the type selection of the pump sets is facilitated.
when a plurality of types of pumps are tested, the single-type pump selected preferentially is installed on the branch, the branch is selected according to actual needs, and the rest idle branches are stopped to be used by closing the valve. After the multi-type pump to be tested is installed, the flow and the pressure are adjusted, and meanwhile, the hydraulic performance of the multi-type pump is tested. Meanwhile, vibration noise test, pressure pulsation test, electromagnetic compatibility test and reliability test can be realized through other test means. The characteristics of the pump set under different working conditions and the internal and external characteristic indexes of the multi-type pump set when the multi-type pump set works simultaneously are known in an all-around manner, convenience and basis are provided for optimizing competition of the ship pump set, and powerful data support is provided for design research of the pump set.
Claims (5)
1. The utility model provides a naval vessel is with pump package test device that competes for you, includes pipe-line system, cooling system, electric system, its characterized in that:
The pipeline system comprises at least 2 branch pipelines, each branch pipeline comprises a water inlet connecting pipe (32), a pump (29) to be tested and a water outlet connecting pipe (27), the water inlet connecting pipe (32) is connected with a water inlet of the pump (29), and a water outlet of the pump (29) is connected with the water outlet connecting pipe (27) through a flexible connecting pipe (28);
An outlet regulating valve (41) is arranged on the water outlet connecting pipe (27);
The water inlets of the water inlet connecting pipes (32) of all the branch pipelines are connected with a water inlet main pipe, the water outlets of the water outlet connecting pipes (27) of all the branch pipelines are connected with a water return main pipe, and the water inlet main pipe and the water return main pipe are connected with the water storage tank (23) to form a loop, namely a main pipeline;
the cooling system comprises a water storage tank (23), a heat exchanger (25) and a cooling tower (24), wherein a connecting port of the water storage tank (23) and a water return main pipe is connected with the heat exchanger (25) through a circulating pump (26), the connecting port of the water storage tank (23) and the water inlet main pipe is connected with the heat exchanger (25) through a valve, part of high-temperature test medium is introduced into the heat exchanger through the circulating pump for cooling to obtain low-temperature medium, and the low-temperature medium is injected into the water return main pipe for mixing; the heat exchanger (25) is connected with the cooling tower (24) through another circulating pump (26) and is used for introducing a cooling medium in the heat exchanger (25) into the cooling tower for cooling;
The electric system comprises a motor (33), a starter (34), a power meter (35), a tachometer (36), a control and data acquisition system (37), a computer (38), an outlet pressure gauge (39), an inlet pressure gauge (40), a flow meter (42) and a thermometer (43); the pump (29) is driven by a motor (33), the motor (33) is provided with a starter (34) and a tachometer (36), the starter (34) is connected with a power meter (35), and an outlet pressure gauge (39), a flowmeter (42) and a thermometer (43) are arranged on the water outlet connecting pipe (27); all the power meter (35), the tachometer (36), the outlet pressure meter (39), the flow meter (42) and the thermometer (43) are connected with a control and data acquisition system (37) for acquiring data, and the control and data acquisition system (37) is connected with a computer (38) for storing and processing data.
2. The pump package competition optimization test testing device for the ship according to claim 1, wherein:
The branch pipeline is fixed on the ground through a pipeline support, and the pump (29) is fixed on the ground through a damping support (30).
3. The pump package competition optimization test testing device for the ship according to claim 1, wherein:
The test medium is seawater or fresh water.
4. The pump package competition optimization test testing device for the ship according to claim 3, wherein:
The pipeline system is divided into two areas for respectively simulating the working conditions of seawater and fresh water, and each area is independently provided with a main pipeline, a water storage tank (23) and a cooling system.
5. The pump package competition optimization test testing device for the ship according to claim 4, wherein:
A plurality of branch pipes can be arranged in groups in the area, and each group is provided with a main pipeline, a water storage tank (23) and a cooling system independently.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920145181.5U CN209761754U (en) | 2019-01-28 | 2019-01-28 | Testing device for pump set competitive optimization test for ships |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920145181.5U CN209761754U (en) | 2019-01-28 | 2019-01-28 | Testing device for pump set competitive optimization test for ships |
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| Publication Number | Publication Date |
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| CN209761754U true CN209761754U (en) | 2019-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920145181.5U Active CN209761754U (en) | 2019-01-28 | 2019-01-28 | Testing device for pump set competitive optimization test for ships |
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| CN (1) | CN209761754U (en) |
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- 2019-01-28 CN CN201920145181.5U patent/CN209761754U/en active Active
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