CN113606124A - Compressor testing system and testing method - Google Patents
Compressor testing system and testing method Download PDFInfo
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- CN113606124A CN113606124A CN202110928758.1A CN202110928758A CN113606124A CN 113606124 A CN113606124 A CN 113606124A CN 202110928758 A CN202110928758 A CN 202110928758A CN 113606124 A CN113606124 A CN 113606124A
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- 238000012360 testing method Methods 0.000 title claims abstract description 52
- 239000007789 gas Substances 0.000 claims abstract description 170
- 239000001257 hydrogen Substances 0.000 claims abstract description 55
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 55
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 46
- 239000011261 inert gas Substances 0.000 claims abstract description 7
- 230000008859 change Effects 0.000 claims description 18
- 150000002431 hydrogen Chemical class 0.000 claims description 11
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000010998 test method Methods 0.000 claims description 3
- 238000011056 performance test Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005984 hydrogenation reaction Methods 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical group N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
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Abstract
The invention provides a compressor testing system and a testing method, wherein a first air outlet of a first air storage tank is connected with an air inlet of a compressor, and a first air inlet of the first air storage tank is connected with a hydrogen source; a second air inlet of the second air storage tank is connected with an air outlet of the compressor, a second air outlet of the second air storage tank is connected with a second air inlet pipeline, and a pressure reducing valve is arranged on a second air outlet pipeline; the compressed air source is connected with the second air inlet pipeline, the first air outlet pipeline is connected with the first air inlet pipeline, and the first air inlet pipeline is selectively communicated with the second air inlet pipeline or the third air inlet pipeline; the first gas inlet pipeline is provided with a gas booster pump, and the gas booster pump is connected with an inert gas source; the second gas inlet pipeline is selectively communicated with a hydrogen source or a second gas outlet pipeline; the technical scheme provided by the invention has the beneficial effects that: by utilizing the compressor testing system, the performance test of the compressor can be automatically completed in a factory, and the stability of the compressor on site and the technical parameters meeting the requirements are ensured.
Description
Technical Field
The invention relates to the technical field of testing of compressors of hydrogenation stations, in particular to a system and a method for testing a compressor.
Background
The hydrogen energy has the advantages of high energy efficiency, wide sources, renewability, zero pollution of combustion products and the like, and is internationally recognized as a future green energy source. In recent years, hydrogen energy vehicles have been vigorously developed in many countries and regions including the united states, the day, the middle, the korea, and the european union, and hydrogen stations and related hydrogen energy infrastructure have been actively constructed. The hydrogen is taken as power, and becomes an important application direction in the field of new energy. The hydrogen is filled into the fuel cell automobile through a hydrogenation machine of the hydrogenation station and is stored in a vehicle-mounted hydrogen cylinder in a high-pressure mode.
In the prior art, a long tube trailer is usually used as an external hydrogen supply source in the hydrogenation station, the initial pressure is generally 20MPa, and hydrogen is pressurized by a compressor and stored in a storage tank of the hydrogenation station. The core equipment of the hydrogen station is a compressor, the stability and performance parameters of the compressor are the most important of the whole hydrogen station, and the compressor is used as mobile equipment and needs to be subjected to performance test after assembly and before delivery.
Disclosure of Invention
In view of the above, embodiments of the present invention provide a compressor testing system and a testing method to solve the above problems.
The embodiment of the invention provides a compressor testing system and a testing method, which comprise the following steps:
a first gas outlet of the first gas storage tank is used for being connected with a gas inlet of the compressor, and a first gas inlet of the first gas storage tank is connected with the hydrogen source through a second gas inlet pipeline;
a second air inlet of the second air storage tank is connected with an air outlet of the compressor through a first air outlet pipeline, a second air outlet of the second air storage tank is connected with the second air inlet pipeline through a second air outlet pipeline, and a pressure reducing valve is arranged on the second air outlet pipeline;
the compressed air source is connected with the second air inlet pipeline through a first air inlet pipeline, the first air outlet pipeline is connected with the first air inlet pipeline through a third air inlet pipeline, and the first air inlet pipeline is selectively communicated with the second air inlet pipeline or the third air inlet pipeline through a first reversing device;
a gas booster pump is arranged on the first gas inlet pipeline, is positioned between the third gas inlet pipeline and the compressed gas source and is connected with an inert gas source; the second gas inlet pipeline is selectively communicated with the hydrogen source or the second gas outlet pipeline through a second reversing device;
and a first pressure transmitter is arranged on the first gas storage tank and used for detecting the pressure in the first gas storage tank, and a second pressure transmitter is arranged on the second gas storage tank and used for detecting the pressure in the second gas storage tank.
Furthermore, a flowmeter is connected to the first air outlet pipeline and used for detecting the flow rate in the first air outlet pipeline.
Furthermore, the first reversing device comprises a second control valve and a third control valve, the third control valve is arranged on the third air inlet pipeline, and the second control valve is arranged on the first air inlet pipeline and is positioned between the second air inlet pipeline and the third air inlet pipeline.
Furthermore, the second reversing device comprises a first control valve and a fourth control valve, the first control valve is arranged on the second gas inlet pipeline and is positioned between the hydrogen source and the second gas outlet pipeline, and the fourth control valve is arranged on the second gas outlet pipeline.
Furthermore, a fifth control valve is arranged on the first air inlet pipeline and is positioned between the air booster pump and the compressed air source.
Further, the top of the first gas storage tank is connected with a first diffusing pipe; and/or the presence of a gas in the gas,
and the top of the second gas storage tank is connected with a second diffusing pipe.
Furthermore, a vibration meter is arranged on the compressor and used for acquiring vibration data of the compressor; or the like, or, alternatively,
the compressor is connected with a manual vibration instrument, and the manual vibration instrument is used for acquiring vibration data of the compressor.
The embodiment of the invention also provides a test method, which comprises the following steps:
compressor inlet air tightness test:
s11, communicating the compressed air source with the second air inlet pipeline by using the first reversing device and disconnecting the compressed air source from the third air inlet pipeline;
s12, inputting high-pressure gas into the first gas storage tank by using the gas booster pump, detecting the pressure in the first gas storage tank by using the first pressure transmitter, and enabling the pressure in the first gas storage tank to reach a first preset pressure; cutting off the first reversing device, stopping pressurizing, and observing the pressure change detected by the first pressure transmitter after maintaining the preset time;
s13, when the pressure change is in the preset range, continuing inputting high-pressure gas into the first gas storage tank to increase the pressure in the first gas storage tank by a preset amplitude, and circulating the steps S13-S14 until the pressure is increased to the maximum test inlet pressure;
and (3) compressor outlet air tightness test:
s14, disconnecting the compressed air source from the second air inlet pipeline by using the first reversing device and communicating the compressed air source with the third air inlet pipeline;
s15, inputting high-pressure gas into a second gas storage tank by using a gas booster pump, detecting the pressure in the second gas storage tank by using a second pressure transmitter, and enabling the pressure in the second gas storage tank to reach a second preset pressure;
s16, cutting off the first reversing device, stopping pressurizing, and observing the pressure change detected by the second pressure transmitter after maintaining the preset time;
s17, when the pressure change is in the preset range, continuing inputting high-pressure gas into the second gas storage tank to increase the pressure in the second gas storage tank by a preset amplitude, and circulating the steps S17-S18 until the pressure is increased to the maximum test outlet pressure;
testing the compression capacity of the compressor:
s21, communicating the first gas storage tank with the hydrogen source and the compressor by using a second reversing device, and communicating the second gas storage tank with the compressor and a second gas outlet pipeline;
s22, inputting hydrogen, detecting the pressure in the second gas storage tank by using a second pressure transmitter, wherein the pressure detected by the second pressure transmitter reaches a third preset pressure;
s23, disconnecting the hydrogen source and the second gas inlet pipeline by using a second reversing device, and circulating for a preset time by using a compressor;
s24, when there is no abnormity, the second reversing device is used to communicate the hydrogen source with the second gas inlet pipeline, hydrogen is input, when the pressure detected by the second pressure transmitter increases by a preset amplitude, the steps S23-S24 are circulated until the pressure detected by the second pressure transmitter increases to the maximum pressure, and the compressor automatically circulates for a preset automatic circulation time after there is no abnormity;
and (3) air displacement test:
s31, communicating the first gas storage tank with the hydrogen source and the compressor by using a second reversing device, and communicating the second gas storage tank with the compressor and a second gas outlet pipeline;
s32, inputting hydrogen, detecting the pressure in the first air storage tank by using the first pressure transmitter, detecting the pressure in the second air storage tank by using the second pressure transmitter, and adjusting the pressure reducing valve when the pressures detected by the first pressure transmitter and the second pressure transmitter reach the preset pressure;
s33, disconnecting the hydrogen source and the second gas inlet pipeline by using a second reversing device, circulating for a preset time by using a compressor, and detecting the flow in the first gas outlet pipeline by using a flow meter;
s34, adjusting the pressure reducing valve, and after the pressure detected by the first pressure transmitter increases by a preset amplitude, repeating the steps S33-S34 to obtain the curve relation between the inlet pressure and the flow of the compressor.
Furthermore, a vibration meter is arranged in the compressor, and vibration data of the compressor are acquired by using the vibration meter on the compressor; or the like, or, alternatively,
the compressor is connected with the manual vibration instrument, and the vibration data of the compressor are obtained by utilizing the manual vibration instrument.
Further, motor current data is obtained using a motor on the compressor.
The technical scheme provided by the embodiment of the invention has the following beneficial effects: the air inlet of the compressor is connected with the first air outlet of the first air storage tank, the pressure in the first air storage tank is detected by gradually increasing the gas pressure in the first air storage tank, and the pressure is kept stable within a period of time, so that the air inlet of the compressor can be judged to have better sealing performance; the compressed air outlet is connected with a second air inlet of a second air storage tank, and the air pressure in the second air storage tank is gradually increased and kept stable for a period of time, so that the air outlet of the compressor can be judged to have better sealing performance; the compressor is used for compressing hydrogen and circulating, the pressure in the first air storage tank and the pressure in the second air storage tank are detected and are kept stable for a period of time, and then the compressor can be judged to have better compression performance; the inlet pressure of the compressor is changed by adjusting the pressure reducing valve, the flow of the air outlet of the compressor is detected by using the flowmeter, and the curve relation between the inlet pressure of the compressor and the flow can be obtained; the vibration of the compressor and the current of the motor can be measured by reading a vibration meter of the compressor body or placing the vibration meter at different positions by using a manual vibration meter, and the current of the motor can be directly read from the motor. By utilizing the compressor testing system, the performance test of the compressor can be automatically completed in a factory, and the stability of the compressor on site and the technical parameters meeting the requirements are ensured.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a compressor testing system provided by the present invention.
In the figure: the hydrogen gas supply system comprises a compressed gas source 1, an inert gas source 2, a gas booster pump 3, a hydrogen gas source 4, a first gas storage tank 5, a compressor 6, a second gas storage tank 7, a pressure reducing valve 8, a flow meter 9, a first gas inlet pipeline 10, a second gas inlet pipeline 11, a third gas inlet pipeline 12, a first gas outlet pipeline 13, a second gas outlet pipeline 14, a first control valve 15, a second control valve 16, a third control valve 17, a fourth control valve 18, a fifth control valve 19, a first pressure transmitter 20, a second pressure transmitter 21, a first diffusion pipe 22 and a second diffusion pipe 23.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1, an embodiment of the invention provides a compressor testing system, which includes a first gas tank 5, a second gas tank 7, a compressor 6, a compressed gas source 1 and a hydrogen source 4.
A first air outlet of the first air storage tank 5 is used for being connected with an air inlet of the compressor 6, and a first air inlet of the first air storage tank 5 is connected with the hydrogen source 4 through a second air inlet pipeline 11; the second air inlet of second gas holder 7 is used for passing through first outlet pipe way 13 with the gas outlet of compressor 6 and is connected, the second gas outlet of second gas holder 7 with second inlet pipe way 11 passes through second outlet pipe way 14 and connects, be equipped with relief pressure valve 8 on the second outlet pipe way 14. Be equipped with first pressure transmitter 20 on the first gas holder 5 for detect pressure in the first gas holder 5, 5 top connections of first gas holder have first diffuse pipe 22 for the gas in the first gas holder 5 of discharge. And a second pressure transmitter 21 is arranged on the second gas storage tank 7 and used for detecting the pressure in the second gas storage tank 7, and a second diffusing pipe 23 is connected to the top of the second gas storage tank 7 and used for discharging the gas in the second gas storage tank 7.
The compressed air source 1 is specifically compressed air, the compressed air source 1 is connected with the second air inlet pipeline 11 through a first air inlet pipeline 10, the first air outlet pipeline 13 is connected with the first air inlet pipeline 10 through a third air inlet pipeline 12, and the first air inlet pipeline 10 is selectively communicated with the second air inlet pipeline 11 or the third air inlet pipeline 12 through a first reversing device. In other embodiments, the first reversing device may be a three-way valve, in this embodiment, the first reversing device includes a second control valve 16 and a third control valve 17, the third control valve 17 is disposed on the third air inlet pipe 12, and the second control valve 16 is disposed on the first air inlet pipe 10 and is located between the second air inlet pipe 11 and the third air inlet pipe 12.
Be equipped with gaseous booster pump 3 on the first admission line 10, gaseous booster pump 3 is located third admission line 12 with between the compressed air source 1, gaseous booster pump 3 is connected with inert gas source 2, and inert gas source 2 specifically is nitrogen gas collection dress check. The second gas inlet pipeline 11 is selectively communicated with the hydrogen source 4 or the second gas outlet pipeline 14 through a second reversing device, and the compressed gas source 1 drives the gas booster pump 3 to boost the inert gas source 2. In other embodiments, the second reversing device may be a four-way valve, in this embodiment, the second reversing device includes a first control valve 15 and a fourth control valve 18, the first control valve 15 is disposed on the second air inlet pipeline 11 and is located between the hydrogen source 4 and the second air outlet pipeline 14, and the fourth control valve 18 is disposed on the second air outlet pipeline 14.
And a fifth control valve 19 is arranged on the first air inlet pipeline 10, the fifth control valve 19 is positioned between the gas booster pump 3 and the compressed air source 1, and the start and stop of the gas booster pump 3 can be controlled by controlling the switch of the fifth control valve 19. And the compressor 6 is provided with a vibration meter which is used for acquiring vibration data of the compressor 6. Or, the compressor 6 is connected with a manual vibration meter, and the manual vibration meter is used for acquiring vibration data of the compressor 6 and detecting vibration performance of the compressor 6.
Based on the above compressor testing system, an embodiment of the present invention further provides a testing method, including the following steps:
inlet air tightness test of compressor 6:
s11, the compressed air source 1 is communicated with the second air inlet pipeline 11 by using the first reversing device and is disconnected with the third air inlet pipeline 12; specifically, the fifth control valve 19 and the second control valve 16 are opened, and the third control valve 17 is closed.
S12, inputting high-pressure gas into the first gas storage tank 5 by using the gas booster pump 3, detecting the pressure in the first gas storage tank 5 by the first pressure transmitter 20, and when the pressure in the first gas storage tank 5 reaches a first preset pressure; cutting off the first reversing device, stopping pressurization, specifically, cutting off the fifth control valve 19 and the second control valve 16, and observing the pressure change detected by the first pressure transmitter 20 after maintaining the preset time;
s13, when the pressure change is in the preset range, continuing to input high-pressure gas into the first gas storage tank 5, so that the pressure in the first gas storage tank 5 is increased by a preset amplitude, and repeating the steps S13-S14 until the pressure is increased to the maximum test inlet pressure.
In this embodiment, the design pressure of the inlet of the compressor 6 is 25MPa (test pressure 27.5MPa), the start and stop of the gas booster pump 3 are controlled by the start and stop of the fifth control valve 19, when the first pressure transmitter 20 reaches 12.5MPa, the fifth control valve 19 is cut off, the boosting is stopped, the pressure is maintained at 12.5MPa for 5min, the pressure change of the first pressure transmitter 20 is detected, and if the pressure change before and after 5min is within 0.25%, the boosting is continued; pressurizing 10% (2.5Mpa) for 5min each time, and detecting pressure change. The test was terminated until 27.5 MPa.
Outlet airtightness test of compressor 6:
s14, the compressed air source 1 is disconnected from the second air inlet pipeline 11 by using the first reversing device and is communicated with the third air inlet pipeline 12; specifically, the fifth control valve 19 and the third control valve 17 are opened, and the second control valve 16 is closed.
S15, inputting high-pressure gas into the second gas tank 7 by the gas booster pump 3, detecting the pressure in the second gas tank 7 by the second pressure transmitter 21, and when the pressure in the second gas tank 7 reaches a second preset pressure;
s16, cutting off the first reversing device, stopping pressurization, specifically, cutting off the fifth control valve 19 and the third control valve 17, maintaining for a preset time, and observing the pressure change detected by the second pressure transmitter 21;
s17, when the pressure change is in the preset range, continuing to input high-pressure gas into the second gas storage tank 7, so that the pressure in the second gas storage tank 7 is increased by a preset amplitude, and repeating the steps S17-S18 until the pressure is increased to the maximum test outlet pressure.
In this embodiment, the design pressure of the outlet of the compressor 6 is 50Mpa (test pressure is 55Mpa), the start and stop of the gas booster pump 3 are controlled by opening and closing the fifth control valve 19, and when the second pressure transmitter 21 reaches 25Mpa, the fifth control valve 19 is cut off, and the boosting is stopped. Maintaining the pressure at 25MPa for 5min, detecting the pressure change of the second pressure transmitter 21, if the pressure change before and after 5min is within 0.25%, continuously pressurizing, pressurizing 10% (5MPa) for 5min each time, detecting the pressure change until 55MPa, and ending the test.
Compression capacity test of compressor 6:
s21 using a second direction changing device to connect the first gas storage tank 5 with the hydrogen source 4 and the compressor 6, and the second gas storage tank 7 with the compressor 6 and the second gas outlet pipe 14, specifically, opening the first control valve 15 and the fourth control valve 18, and closing the second control valve 16, the third control valve 17 and the fifth control valve 19;
s22, inputting hydrogen, detecting the pressure in the second gas tank 7 by the second pressure transmitter 21, and detecting the pressure in the second gas tank 21 to a third preset pressure;
s23 disconnecting the hydrogen source 4 from the second gas inlet pipe 11 by the second reversing device, specifically, disconnecting the first control valve 15, and circulating for a preset time by the compressor 6;
s24, communicating the hydrogen source 4 with the second gas inlet pipeline 11 by using a second reversing device after no abnormity occurs, specifically, opening the first control valve 15, inputting hydrogen, circulating the steps S23-S24 after the pressure detected by the second pressure transmitter 21 is increased by a preset amplitude until the pressure detected by the second pressure transmitter 21 is increased to the maximum pressure, and automatically circulating the compressor 6 for a preset automatic circulation time after no abnormity occurs;
in the embodiment, the compressor 6 is started, the first control valve 15 is opened, hydrogen is introduced, the start and stop of the first control valve 15 are controlled, the hydrogen is introduced, the first control valve 15 is cut off when the second pressure transmitter 21 with the outlet pressure shows 5Mpa for the first time, the circulation is carried out for 10min, and no abnormal condition exists; opening the first control valve 15, introducing hydrogen, cutting off the first control valve 15 when the second pressure transmitter 21 displays 15Mpa for the second time, and circulating for 10min without abnormal conditions; opening the first control valve 15, introducing hydrogen, and cutting off the first control valve 15 when the outlet pressure of the second pressure transmitter 21 is 25Mpa for the third time, and circulating for 10min without abnormal conditions; opening the first control valve 15, introducing hydrogen, and cutting off the first control valve 15 when the outlet pressure of the second pressure transmitter 21 is 35Mpa for the fourth time, and circulating for 10min without abnormal conditions; opening the first control valve 15, introducing hydrogen, and cutting off the first control valve 15 when the outlet pressure of the second pressure transmitter 21 shows 45Mpa fifth time, and circulating for 10min without abnormality; the compressor 6 is automatically cycled for 4 h.
And (3) air displacement test:
s31, communicating the first gas storage tank 5 with the hydrogen source 4 and the compressor 6 by using a second reversing device, and communicating the second gas storage tank 7 with the compressor 6 and the second gas outlet pipeline 14;
s32 inputting hydrogen, detecting the pressure in the first gas tank 5 by the first pressure transmitter 20, detecting the pressure in the second gas tank 7 by the second pressure transmitter 21, adjusting the pressure reducing valve 8, when the pressures detected by the first pressure transmitter 20 and the second pressure transmitter 21 reach the preset pressure;
s33 detecting the flow rate in the first outlet pipe 13 by the flow meter 9 by using the compressor 6 for a preset time period;
s34 adjusts the pressure reducing valve 8, and after the pressure detected by the first pressure transmitter 20 increases by a predetermined magnitude, the process loops through steps S33-S34, so that the curve relationship between the inlet pressure and the flow rate of the compressor 6 can be obtained.
In this embodiment, the compressor 6 is started, the first control valve 15 is opened, hydrogen is introduced, the inlet pressure is controlled at 5Mpa and 45Mpa at the outlet for the first time, the first control valve 15 is cut off, the cycle is performed for 10min, and the reading of the flowmeter 9 is recorded (the outlet of the pressure reducing valve 8 is adjusted to 5 Mpa). The second time, the inlet pressure was controlled at 12.5Mpa and the outlet at 45Mpa, the first control valve 15 was shut off, the cycle was 10min, and the flow meter 9 reading was recorded (the outlet of the pressure reducing valve 8 was adjusted to 12.5 Mpa). And controlling the inlet pressure at 20MPa and the outlet pressure at 45MPa for the third time, cutting off the first control valve 15, circulating for 10min, and recording the reading of the flowmeter 9 (the outlet of the reducing valve 8 is adjusted to 20 MPa). A curve of compressor 6 inlet pressure versus flow can be derived.
Vibration test:
a vibration meter is arranged in the compressor 6, and vibration data of the compressor 6 are acquired by using the vibration meter on the compressor 6; or, the compressor 6 is connected with a manual vibration meter, and the vibration data of the compressor 6 is acquired by using the manual vibration meter.
Testing the current of the motor:
motor current data is obtained using a motor on the compressor 6.
In the technical scheme provided by the invention, the air inlet of the compressor 6 is connected with the first air outlet of the first air storage tank 5, the pressure in the first air storage tank 5 is detected by gradually increasing the gas pressure in the first air storage tank 5, and the pressure is kept stable within a period of time, so that the air inlet of the compressor 6 can be judged to have better sealing property; the compressed air outlet is connected with a second air inlet of the second air storage tank 7, and the air pressure in the second air storage tank 7 is gradually increased and kept stable for a period of time, so that the air outlet of the compressor 6 can be judged to have better sealing performance; the compressor 6 is used for compressing hydrogen and circulating, the pressure in the first gas storage tank 5 and the pressure in the second gas storage tank 7 are detected and are kept stable for a period of time, and then the compressor 6 can be judged to have better compression performance; the inlet pressure of the compressor 6 is changed by adjusting the pressure reducing valve 8, the flow of the air outlet of the compressor 6 is detected by using the flowmeter 9, and the curve relation between the inlet pressure and the flow of the compressor 6 can be obtained; the vibration of the compressor 6 and the motor current are measured through a vibration meter reading the body of the compressor 6 or a manual vibration meter is placed at different positions, and the motor current can directly read data from the motor. By utilizing the compressor 6 test system, the performance test of the compressor 6 can be automatically completed in a factory, and the stability of the compressor 6 on site and the technical parameters meeting the requirements are ensured.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The features of the embodiments and embodiments described herein above may be combined with each other without conflict.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A compressor testing system, comprising:
a first gas outlet of the first gas storage tank is used for being connected with a gas inlet of the compressor, and a first gas inlet of the first gas storage tank is connected with the hydrogen source through a second gas inlet pipeline;
a second air inlet of the second air storage tank is connected with an air outlet of the compressor through a first air outlet pipeline, a second air outlet of the second air storage tank is connected with the second air inlet pipeline through a second air outlet pipeline, and a pressure reducing valve is arranged on the second air outlet pipeline;
the compressed air source is connected with the second air inlet pipeline through a first air inlet pipeline, the first air outlet pipeline is connected with the first air inlet pipeline through a third air inlet pipeline, and the first air inlet pipeline is selectively communicated with the second air inlet pipeline or the third air inlet pipeline through a first reversing device;
a gas booster pump is arranged on the first gas inlet pipeline, is positioned between the third gas inlet pipeline and the compressed gas source and is connected with an inert gas source; the second gas inlet pipeline is selectively communicated with the hydrogen source or the second gas outlet pipeline through a second reversing device;
and a first pressure transmitter is arranged on the first gas storage tank and used for detecting the pressure in the first gas storage tank, and a second pressure transmitter is arranged on the second gas storage tank and used for detecting the pressure in the second gas storage tank.
2. The compressor testing system of claim 1, wherein a flow meter is coupled to the first outlet conduit, the flow meter configured to detect a flow rate in the first outlet conduit.
3. The compressor testing system of claim 1, wherein the first reversing device includes a second control valve and a third control valve, the third control valve being disposed on the third air intake conduit, the second control valve being disposed on the first air intake conduit and between the second air intake conduit and the third air intake conduit.
4. The compressor testing system of claim 1, wherein the second reversing device comprises a first control valve and a fourth control valve, the first control valve being disposed on the second inlet conduit between the hydrogen source and the second outlet conduit, the fourth control valve being disposed on the second outlet conduit.
5. The compressor testing system of claim 1, wherein a fifth control valve is disposed on the first gas inlet conduit, the fifth control valve being positioned between the gas booster pump and the compressed gas source.
6. The compressor test system of claim 1, wherein a first bleed line is connected to a top of the first tank; and/or the presence of a gas in the gas,
and the top of the second gas storage tank is connected with a second diffusing pipe.
7. The compressor testing system of claim 1, wherein a vibration meter is disposed on the compressor, and the vibration meter is used for obtaining vibration data of the compressor; or the like, or, alternatively,
the compressor is connected with a manual vibration instrument, and the manual vibration instrument is used for acquiring vibration data of the compressor.
8. A testing method, based on the compressor testing system as claimed in any one of claims 1 to 7, comprising the steps of:
compressor inlet air tightness test:
s11, communicating the compressed air source with the second air inlet pipeline by using the first reversing device and disconnecting the compressed air source from the third air inlet pipeline;
s12, inputting high-pressure gas into the first gas storage tank by using the gas booster pump, detecting the pressure in the first gas storage tank by using the first pressure transmitter, and enabling the pressure in the first gas storage tank to reach a first preset pressure; cutting off the first reversing device, stopping pressurizing, and observing the pressure change detected by the first pressure transmitter after maintaining the preset time;
s13, when the pressure change is in the preset range, continuing inputting high-pressure gas into the first gas storage tank to increase the pressure in the first gas storage tank by a preset amplitude, and circulating the steps S13-S14 until the pressure is increased to the maximum test inlet pressure;
and (3) compressor outlet air tightness test:
s14, disconnecting the compressed air source from the second air inlet pipeline by using the first reversing device and communicating the compressed air source with the third air inlet pipeline;
s15, inputting high-pressure gas into a second gas storage tank by using a gas booster pump, detecting the pressure in the second gas storage tank by using a second pressure transmitter, and enabling the pressure in the second gas storage tank to reach a second preset pressure;
s16, cutting off the first reversing device, stopping pressurizing, and observing the pressure change detected by the second pressure transmitter after maintaining the preset time;
s17, when the pressure change is in the preset range, continuing inputting high-pressure gas into the second gas storage tank to increase the pressure in the second gas storage tank by a preset amplitude, and circulating the steps S17-S18 until the pressure is increased to the maximum test outlet pressure;
testing the compression capacity of the compressor:
s21, communicating the first gas storage tank with the hydrogen source and the compressor by using a second reversing device, and communicating the second gas storage tank with the compressor and a second gas outlet pipeline;
s22, inputting hydrogen, detecting the pressure in the second gas storage tank by using a second pressure transmitter, wherein the pressure detected by the second pressure transmitter reaches a third preset pressure;
s23, disconnecting the hydrogen source and the second gas inlet pipeline by using a second reversing device, and circulating for a preset time by using a compressor;
s24, when there is no abnormity, the second reversing device is used to communicate the hydrogen source with the second gas inlet pipeline, hydrogen is input, when the pressure detected by the second pressure transmitter increases by a preset amplitude, the steps S23-S24 are circulated until the pressure detected by the second pressure transmitter increases to the maximum pressure, and the compressor automatically circulates for a preset automatic circulation time after there is no abnormity;
and (3) air displacement test:
s31, communicating the first gas storage tank with the hydrogen source and the compressor by using a second reversing device, and communicating the second gas storage tank with the compressor and a second gas outlet pipeline;
s32, inputting hydrogen, detecting the pressure in the first air storage tank by using the first pressure transmitter, detecting the pressure in the second air storage tank by using the second pressure transmitter, and adjusting the pressure reducing valve when the pressures detected by the first pressure transmitter and the second pressure transmitter reach the preset pressure;
s33, disconnecting the hydrogen source and the second gas inlet pipeline by using a second reversing device, circulating for a preset time by using a compressor, and detecting the flow in the first gas outlet pipeline by using a flow meter;
s34, adjusting the pressure reducing valve, and after the pressure detected by the first pressure transmitter increases by a preset amplitude, repeating the steps S33-S34 to obtain the curve relation between the inlet pressure and the flow of the compressor.
9. The test method of claim 8, wherein the compressor is provided with a vibration meter, and the vibration meter on the compressor is used for acquiring vibration data of the compressor; or the like, or, alternatively,
the compressor is connected with the manual vibration instrument, and the vibration data of the compressor are obtained by utilizing the manual vibration instrument.
10. The test method of claim 8, wherein the motor current data is obtained using a motor on the compressor.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114659821A (en) * | 2022-05-25 | 2022-06-24 | 河南氢枫能源技术有限公司 | System and method for detecting performance of hydrogenation equipment |
| CN115324883A (en) * | 2022-07-22 | 2022-11-11 | 西安交通大学 | System and method for testing liquid-driven piston compressor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443369A (en) * | 2015-12-05 | 2016-03-30 | 新界泵业集团股份有限公司 | Nondestructive detection method of immersible pump |
| CN106121991A (en) * | 2016-06-21 | 2016-11-16 | 丹阳市常盛机械有限公司 | A kind of vehicle air compressor performance test stand |
| CN205823603U (en) * | 2016-07-21 | 2016-12-21 | 九江天赐高新材料有限公司 | The testing device of hydrogen gas compressor |
| CN107677497A (en) * | 2017-10-30 | 2018-02-09 | 上海齐耀膨胀机有限公司 | Water vapour compressor test unit and its test method |
| CN112577769A (en) * | 2020-12-15 | 2021-03-30 | 北京派瑞华氢能源科技有限公司 | Hydrogen filling simulation test system |
-
2021
- 2021-08-13 CN CN202110928758.1A patent/CN113606124A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443369A (en) * | 2015-12-05 | 2016-03-30 | 新界泵业集团股份有限公司 | Nondestructive detection method of immersible pump |
| CN106121991A (en) * | 2016-06-21 | 2016-11-16 | 丹阳市常盛机械有限公司 | A kind of vehicle air compressor performance test stand |
| CN205823603U (en) * | 2016-07-21 | 2016-12-21 | 九江天赐高新材料有限公司 | The testing device of hydrogen gas compressor |
| CN107677497A (en) * | 2017-10-30 | 2018-02-09 | 上海齐耀膨胀机有限公司 | Water vapour compressor test unit and its test method |
| CN112577769A (en) * | 2020-12-15 | 2021-03-30 | 北京派瑞华氢能源科技有限公司 | Hydrogen filling simulation test system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114659821A (en) * | 2022-05-25 | 2022-06-24 | 河南氢枫能源技术有限公司 | System and method for detecting performance of hydrogenation equipment |
| CN115324883A (en) * | 2022-07-22 | 2022-11-11 | 西安交通大学 | System and method for testing liquid-driven piston compressor |
| CN115324883B (en) * | 2022-07-22 | 2023-11-14 | 西安交通大学 | System and method for testing liquid-driven piston compressor |
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