CN114659821B - System and method for detecting performance of hydrogenation equipment - Google Patents
System and method for detecting performance of hydrogenation equipment Download PDFInfo
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- CN114659821B CN114659821B CN202210571614.XA CN202210571614A CN114659821B CN 114659821 B CN114659821 B CN 114659821B CN 202210571614 A CN202210571614 A CN 202210571614A CN 114659821 B CN114659821 B CN 114659821B
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- 238000005984 hydrogenation reaction Methods 0.000 title claims abstract description 85
- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000012360 testing method Methods 0.000 claims abstract description 56
- 239000001307 helium Substances 0.000 claims abstract description 36
- 229910052734 helium Inorganic materials 0.000 claims abstract description 36
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000013589 supplement Substances 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 239000007789 gas Substances 0.000 claims description 16
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 239000000498 cooling water Substances 0.000 claims description 6
- 238000005429 filling process Methods 0.000 claims description 6
- 238000001595 flow curve Methods 0.000 claims description 6
- 101100149884 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) SOV1 gene Proteins 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims 1
- 230000004807 localization Effects 0.000 abstract description 3
- 238000006467 substitution reaction Methods 0.000 abstract description 3
- 239000001257 hydrogen Substances 0.000 description 10
- 229910052739 hydrogen Inorganic materials 0.000 description 10
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 6
- 150000002431 hydrogen Chemical class 0.000 description 4
- 238000011056 performance test Methods 0.000 description 4
- 239000011261 inert gas Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/005—Testing of complete machines, e.g. washing-machines or mobile phones
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention discloses a system and a method for detecting the performance of hydrogenation equipment. The system comprises a compressor station, a hydrogenation machine station, a low-pressure bottle, a medium-pressure bottle and a high-pressure bottle which are connected through a pipeline, and a valve and a pressure transmitter are correspondingly arranged on the pipeline; the reliability and the safety of the hydrogenation machine can be tested; the system can be used for testing the service life of key parts in the equipment, can also be used for functions such as valve life test in addition, has important meaning to lifting means, realizes the localization substitution of key parts, and the system is in the testing process, and helium recycles, and whole test system need not external world at the course of the work and supplements, can accomplish automatic cycle test, reduces whole running cost.
Description
Technical Field
The invention relates to the technical field of hydrogenation stations, in particular to a system and a method for detecting the performance of hydrogenation equipment.
Background
At present, domestic hydrogenation stations are all high-pressure gaseous hydrogenation stations, compressed hydrogen is used in the hydrogenation stations for filling fuel cell vehicles, due to the characteristics of flammability and explosiveness of the hydrogen and the dangerous characteristics of the high-pressure gas, equipment in the hydrogenation stations can have serious consequences once leakage occurs, and due to emerging matters, the products and the equipment are difficult to actually test before leaving a factory in the hydrogenation stations.
Disclosure of Invention
The present invention is directed to a system and method for testing the performance of a hydrogenation plant that addresses the above-mentioned deficiencies of the prior art.
The system for detecting the performance of the hydrogenation equipment comprises a compressor station, a hydrogenation machine station, a low-pressure bottle, a medium-pressure bottle and a high-pressure bottle, wherein the compressor station is provided with an air inlet pipe and an air outlet pipe, two helium bottles are respectively communicated with the air inlet pipe through first connecting pipes, pressure gauges are arranged on the first connecting pipes, and a pressure transmitter PT1, an electromagnetic valve SOV1 and a pressure transmitter PT2 are sequentially arranged on the air inlet pipe along the air inlet direction; the low-pressure bottle, the medium-pressure bottle and the high-pressure bottle are equally divided into a second connecting pipe, a third connecting pipe and a fourth connecting pipe, the low-pressure bottle, the medium-pressure bottle and the high-pressure bottle are communicated with the exhaust pipe through the second connecting pipe, the third connecting pipe is provided with a solenoid valve SOV2 and a pressure transmitter PT3, the fourth connecting pipe is provided with a solenoid valve SOV4 and a pressure transmitter PT5, the second connecting pipe is communicated with the filling pipe of the hydrogenation machine station through a fifth connecting pipe, the fifth connecting pipe is provided with a solenoid valve SOV5, the third connecting pipe is communicated with the filling pipe of the hydrogenation machine station through a sixth connecting pipe, the sixth connecting pipe is provided with a solenoid valve SOV6, the fourth connecting pipe is communicated with the filling pipe of the hydrogenation machine station through a seventh connecting pipe, the seventh connecting pipe is provided with a solenoid valve SOV7, the filling pipe is communicated with the air inlet pipe through an eighth connecting pipe, the eighth connecting pipe is provided with a solenoid valve SOV8, a regulating valve and a solenoid valve SOV10, the ninth outlet pipe of the hydrogenation machine station is communicated with the eighth connecting pipe, and the heat exchanger PT6 and the solenoid valve PT 9.
Further, two of the first connection pipe, the air inlet pipe, the exhaust pipe, the second connection pipe, the third connection pipe, the fourth connection pipe and the ninth connection pipe are provided with hand valves, which are respectively designated as HBV1-HBV8, a hand valve on the first connection pipe communicated with one helium tank is designated as HBV1, and a hand valve on the first connection pipe communicated with the other helium tank is designated as HBV2.
Furthermore, the system also comprises a first water chiller which is used for supplying cooling water to the compressor of the compressor station.
Furthermore, the system also comprises a second water chiller which supplies cooling water for the heat exchanger.
The hydrogen hydrogenation device is characterized by further comprising a discharge pipe, wherein the air inlet pipe, the second connecting pipe, the third connecting pipe, the fourth connecting pipe, the hydrogen hydrogenation machine station and the compressor station are communicated with the discharge pipe through the discharge pipe, and safety valves are arranged on the discharge pipe.
A method for detecting the performance of hydrogenation equipment, which uses the device; the data detected by the pressure transmitter PT1-PT6 are also recorded as PT1-PT6, the whole test system needs to be filled with helium before starting, the specific process is that a helium bottle is prepared in place, hand valves HBV 2-HBV 8 are opened in sequence, when the pressure PT1 in the system is greater than the lowest inlet pressure value Pset1 of the pressure transmitter, a compressor is started, the compressor is matched with a first water cooler to be started, and the system starts to be filled into a high-pressure bottle, a medium-pressure bottle and a low-pressure bottle in sequence; in the filling process, if the pressure of PT1 is less than the lowest air inlet pressure of a Pset1 compressor, the HBV1 needs to be opened, the HBV2 is closed, a helium bottle is replaced, another helium bottle is used for supplying air to the system, the helium is sequentially supplied to the system by the two helium bottles until PT4 is greater than the Pset2, the compressor stops, then the HBV1-HBV8 are sequentially closed, and the system completes air supply;
as shown in fig. 3, when the system is to perform a compressor performance test, the pressure and flow curve of the compressor is tested, the discharge flow of the compressor is tested under different intake and discharge pressures, the performance of the compressor is checked, and the following procedures are performed: sequentially opening the hand valves HBV3-HBV8, starting the compressor and the first water chiller, and enabling the compressor to enter a standby mode, namely the compressor does not pressurize outwards at the moment; opening the SOV4, the SOV7, the SOV8 and the SOV10, and enabling the compressor to enter a pressurization state, wherein the high-pressure bottle is used as a buffer container at the outlet of the compressor; when the system starts to test, when the inlet pressure of the compressor needs to be adjusted in the test, the opening degree of the regulating valve is adjusted, so that the purpose of adjusting the inlet pressure of the compressor is achieved; when the outlet pressure of the compressor needs to be reduced, the hydrogenation machine is manually started, gas enters the vehicle-mounted gas cylinder through the hydrogenation machine, when the outlet pressure of the compressor is reduced to a target value, the hydrogenation machine is closed, and test data are recorded; when the test needs to increase the outlet pressure of the compressor, opening the SOV5 and the SOV6, opening the hydrogenation machine, inflating the vehicle-mounted gas cylinder, when the pressure PT6 is greater than PT2, opening the SOV9, closing the SOV8 and the SOV7, testing the pressure-flow curve of the compressor in the boosting process, when the pressure PT5 reaches a target value, opening the SOV7 and the SOV8, closing the hydrogenation machine and the SOV9, and testing and recording the pressure data and the flow data of the compressor after the exhaust pressure rises; and after the data test is finished, the test is selected to be finished, the system closes the SOV7 and the SOV8, opens the SOV9, and sequentially supplements pressure to the high-pressure bottle, the medium-pressure bottle and the low-pressure bottle, and in the process, when the PT6 is smaller than a set value Pset1 or the PT3 is larger than a set value Pset2, the system stops running, the compressor and the first water cooler stop, and all electromagnetic valves and all hand valves are closed.
Further, when the system is used for testing the hydrogenation machine, the following process is carried out:
opening a hand valve HBV3-HBV8, starting a compressor, enabling the compressor to enter a standby state, starting a first water cooler, starting a hydrogenation machine, starting a system to fill, opening an SOV5, opening an SOV6 when the flow of the hydrogenation machine is smaller than a set value in the filling process, closing the SOV5, continuing to fill, opening an SOV7 and closing the SOV6 when the flow of the hydrogenation machine is smaller than the set value, and recording hydrogenation data after the filling is finished in the process; and then opening the SOV9, the SOV10 and the SOV4, closing the SOV7, sequentially filling the high, middle and low cylinder groups by the compressor, and after the three cylinder groups are filled, positioning the system to perform the next hydrogenation test.
The invention uses the inert gas helium which has the closest physical property with the hydrogen to simulate the hydrogen, after the helium is injected into the system, the actual working pressure and condition of a hydrogen filling station can be simulated, the performance test of the compressor is carried out, and the running performance of the compressor under different working states is tested; the reliability and the safety of the hydrogenation machine can be tested; simultaneously can be used for the life-span of the key element in the test equipment, the system can also be used to functions such as valve life-span test in addition, has important meaning to lifting means, realizes the localization of key element and replaces, and the system is in the test process, and helium recycles, and whole test system need not external supply in the course of the work, can accomplish automatic cycle test, reduces whole running cost.
Drawings
FIG. 1 is a schematic diagram of a system for monitoring the performance of a hydrogenation unit according to the present invention;
FIG. 2 is a flow chart of a method of filling helium gas into the system of the present invention;
FIG. 3 is a flow chart of the present invention for testing compressor performance;
FIG. 4 is a flow chart of the present invention for testing the performance of a hydrotreater.
1. A compressor station; 2. a hydrogenation machine station; 3. a low pressure bottle; 4. medium-pressure bottles; 5. a high-pressure bottle; 6. an air inlet pipe; 7. an exhaust pipe; 8. a helium tank; 9. a first connecting pipe; 10. a pressure gauge; 11. a second connection pipe; 12. a third connecting pipe; 13. a fourth connecting pipe; 14. a flow meter; 15. a fifth connecting pipe; 16. a sixth connecting pipe; 17. a seventh connecting pipe; 18. an eighth connecting pipe; 19. a ninth connecting pipe; 20. a heat exchanger; 21. a first water chiller; 22. a second water chiller; 23. a discharge pipe; 24. and adjusting the valve.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1, the system for detecting the performance of the hydrogenation equipment comprises a compressor station 1, a hydrogenation machine station 2, a low-pressure bottle 3, a medium-pressure bottle 4 and a high-pressure bottle 5, wherein the compressor station 1 is provided with an air inlet pipe 6 and an air outlet pipe 7, two helium bottles 8 are respectively communicated with the air inlet pipe 6 through first connecting pipes 9, pressure gauges 10 are respectively arranged on the first connecting pipes 9, and the air inlet pipe 6 is sequentially provided with a pressure transmitter PT1, an electromagnetic valve SOV1 and a pressure transmitter PT2 along the air inlet direction; the low-pressure bottle 3, the medium-pressure bottle 4 and the high-pressure bottle 5 are respectively communicated with the exhaust pipe 7 through a second connecting pipe 11, a third connecting pipe 12 and a fourth connecting pipe 13, a flowmeter 14 is arranged on the exhaust pipe 7, a solenoid valve SOV2 and a pressure transmitter PT3 are arranged on the second connecting pipe 11, the third connecting pipe 12 is provided with a solenoid valve SOV3 and a pressure transmitter PT4, the fourth connecting pipe 13 is provided with a solenoid valve SOV4 and a pressure transmitter PT5, the second connecting pipe 11 is communicated with the filling pipe of the hydrogenation machine station 2 through a fifth connecting pipe 15, the fifth connecting pipe 15 is provided with a solenoid valve SOV5, the third connecting pipe 12 is communicated with the filling pipe of the hydrogenation machine station 2 through a sixth connecting pipe 16, the sixth connecting pipe 16 is provided with a solenoid valve SOV6, the fourth connecting pipe 13 is communicated with the filling pipe of the hydrogenation machine station 2 through a seventh connecting pipe 17, the seventh connecting pipe 17 is provided with a solenoid valve SOV7, the filling pipe is communicated with the air inlet pipe 6 through an eighth connecting pipe 18, the eighth connecting pipe 18 is provided with a solenoid valve SOV8, a regulating valve 24 and a solenoid valve SOV10, the outlet pipe of the hydrogenation machine station 2 is communicated with a ninth connecting pipe 19, and a pressure transmitter 19 are arranged on the eighth connecting pipe 18, and a heat exchanger 9.
Two first connection pipes 9, the air inlet pipe 6, the air outlet pipe 7, the second connection pipe, the third connection pipe 12, the fourth connection pipe 13, and the ninth connection pipe 19 may be provided with hand valves, which are respectively designated as HBV1-HBV8, a hand valve on the first connection pipe 9 communicating with one helium tank 8 is designated as HBV1, and a hand valve on the first connection pipe 9 communicating with the other helium tank 8 is designated as HBV2.
A first chiller 21 may be included to provide cooling water to the compressor of compressor station 1.
A second water chiller 22 may be included to provide cooling water to the heat exchanger 20.
The device also comprises a discharge pipe 23, wherein the air inlet pipe 6, the second connecting pipe, the third connecting pipe 12, the fourth connecting pipe 13, the hydrogenation machine station 2 and the compressor station 1 are communicated with the discharge pipe 23 through the exhaust pipe 7, and the exhaust pipe 7 is provided with a safety valve.
A method for detecting the performance of hydrogenation equipment, which uses the device; the solenoid valve SOV 1-the solenoid valve SOV10 are marked as SOV 1-SOV 10, data detected by the first pressure transmitter-the sixth pressure transmitter are marked as PT1-PT6, helium gas needs to be filled into the system before the whole test system is started, as shown in figure 2, the specific flow is that a helium gas bottle 8 is prepared in place, hand valves HBV2 to HBV8 are opened in sequence, when the pressure PT1 in the system is greater than the lowest inlet pressure value Pset1 of the pressure transmitters, a compressor is started, the first water cooler 21 matched with the compressor is started, and the system starts to be filled into a high-pressure bottle 5, a medium-pressure bottle 4 and a low-pressure bottle 3 in sequence; in the filling process, if the pressure of the PT1 is less than the lowest air inlet pressure of the Pset1 compressor, the HBV1 needs to be opened, the HBV2 is closed, the helium bottle 8 is replaced, the other helium bottle 8 is used for supplying air to the system, the two helium bottles 8 sequentially supply helium to the system until the PT4 is greater than the Pset2, the compressor stops, then the HBV1-HBV8 are sequentially closed, and the system completes air supply;
as shown in fig. 3, when the system is to perform a compressor performance test, the pressure and flow curve of the compressor is tested, the discharge flow of the compressor is tested under different intake and discharge pressures, the performance of the compressor is checked, and the following procedures are performed: sequentially opening the hand valves HBV3-HBV8, starting the compressor and the first water chiller 21, and enabling the compressor to enter a standby mode, namely the compressor does not pressurize outwards at the moment; opening the SOV4, the SOV7, the SOV8 and the SOV10, and enabling the compressor to enter a pressurization state, wherein the high-pressure bottle 5 is used as a buffer container of an outlet of the compressor; when the system starts to test, when the inlet pressure of the compressor needs to be adjusted in the test, the opening degree of the regulating valve 24 is adjusted, so that the purpose of adjusting the inlet pressure of the compressor is achieved; when the outlet pressure of the compressor needs to be reduced, the hydrogenation machine is manually started, gas enters the vehicle-mounted gas cylinder through the hydrogenation machine, when the outlet pressure of the compressor is reduced to a target value, the hydrogenation machine is closed, and test data are recorded; when the test needs to increase the outlet pressure of the compressor, the SOV5 and the SOV6 are opened, the hydrogenation machine is opened, the vehicle-mounted gas cylinder is inflated, when the pressure PT6 is greater than PT2, the SOV9 is opened, the SOV8 and the SOV7 are closed, the pressure-flow curve of the compressor in the boosting process is tested, when the pressure PT5 reaches a target value, the SOV7 and the SOV8 are opened, the hydrogenation machine and the SOV9 are closed, and at this time, the pressure data and the flow data of the compressor after the exhaust pressure rises are tested and recorded. After the data test is finished, the test is selected to be finished, the system closes the SOV7 and the SOV8, opens the SOV9, and supplements pressure to the high-pressure bottle 5, the medium-pressure bottle 4 and the low-pressure bottle 3 in sequence, and in the process, when the PT6 is smaller than a set value Pset1 or the PT3 is larger than a set value Pset2, the system stops running, the compressor and the first water cooler 21 stop, all electromagnetic valves and all hand valves are closed; and comparing the data obtained by the test with the reference data to judge whether the performance is normal.
The data test and record of the whole working condition of the compressor are completed through the process, the performance parameters of the compressor under various working conditions, particularly extreme working conditions, are comprehensively tested, and the service life of various components in the compressor under various different working conditions, particularly extreme working conditions, can be tested.
As shown in fig. 4, when the system is used for testing a hydrogenation machine, the following procedures are carried out:
opening a hand valve HBV3-HBV8, starting a compressor, enabling the compressor to enter a standby state, starting a first water chiller 21, starting a hydrogenation machine, starting a system to open an SOV5, opening an SOV6 when the flow of the hydrogenation machine is smaller than a set value in the filling process, closing the SOV5, continuing filling, opening an SOV7 and closing the SOV6 when the flow of the hydrogenation machine is smaller than the set value, and recording hydrogenation data after filling is finished in the process; then opening the SOV9, the SOV10 and the SOV4, closing the SOV7, sequentially filling the high, middle and low bottle groups by the compressor, and after the three bottle groups are filled, positioning the system in place and carrying out the next hydrogenation test; and comparing the data obtained by the test with the reference data to judge whether the performance is normal.
Through the process, the working condition of hydrogenation in the hydrogenation station is simulated, the performance of the hydrogenation machine is tested, the running reliability of the hydrogenation machine is confirmed, and meanwhile, the actual working conditions of the hydrogenation machine and a compressor in the hydrogenation station are simulated, and the performance and the service life of the hydrogenation machine parts under the actual working conditions are tested.
The invention uses the inert gas helium which is closest to the physical characteristics of the hydrogen to simulate the hydrogen, after the helium is injected into the system, the actual working pressure and conditions of a hydrogen filling station can be simulated, the performance test of the compressor is carried out, and the running performance of the compressor under different working states is tested; the reliability and the safety of the hydrogenation machine can be tested; the system can be used for testing the service life of key parts in the equipment, can also be used for functions such as valve life test in addition, has important meaning to lifting means, realizes the localization substitution of key parts, and the system is in the testing process, and helium recycles, and whole test system need not external world at the course of the work and supplements, can accomplish automatic cycle test, reduces whole running cost.
The above is not mentioned, is suitable for the prior art.
While certain specific embodiments of the present invention have been described in detail by way of illustration, it should be understood by those skilled in the art that the foregoing description is for purposes of illustration only and not by way of limitation, and that various modifications, additions and substitutions can be made to the specific embodiments described without departing from the scope of the invention as defined in the accompanying claims. It should be understood by those skilled in the art that any modifications, equivalents, improvements and the like made to the above embodiments in accordance with the technical spirit of the present invention are included in the scope of the present invention.
Claims (4)
1. A method for monitoring the performance of a hydrogenation apparatus, comprising: the system for detecting the performance of the hydrogenation equipment is used and comprises a compressor station, a hydrogenation machine station, a low-pressure bottle, a medium-pressure bottle and a high-pressure bottle, wherein the compressor station is provided with an air inlet pipe and an air outlet pipe, two helium bottles are respectively communicated with the air inlet pipe through first connecting pipes, pressure gauges are arranged on the first connecting pipes, and a pressure transmitter PT1, a solenoid valve SOV1 and a pressure transmitter PT2 are sequentially arranged on the air inlet pipe along the air inlet direction; the low-pressure bottle, the medium-pressure bottle and the high-pressure bottle are respectively communicated with the exhaust pipe through a second connecting pipe, a third connecting pipe and a fourth connecting pipe, a flowmeter is arranged on the exhaust pipe, a solenoid valve SOV2 and a pressure transmitter PT3 are arranged on the second connecting pipe, a solenoid valve SOV3 and a pressure transmitter PT4 are arranged on the third connecting pipe, a solenoid valve SOV4 and a pressure transmitter PT5 are arranged on the fourth connecting pipe, the second connecting pipe is communicated with the filling pipe of the hydrogenation machine station through a fifth connecting pipe, a solenoid valve SOV5 is arranged on the fifth connecting pipe, the third connecting pipe is communicated with the filling pipe of the hydrogenation machine station through a sixth connecting pipe, a solenoid valve SOV6 is arranged on the sixth connecting pipe, the fourth connecting pipe is communicated with the filling pipe of the hydrogenation machine station through a seventh connecting pipe, a solenoid valve SOV7 is arranged on the seventh connecting pipe, the filling pipe is communicated with the air inlet pipe through an eighth connecting pipe, a solenoid valve SOV8, a regulating valve and a solenoid valve SOV10 are arranged on the eighth connecting pipe, a ninth outlet pipe of the hydrogenation machine station is communicated with the eighth connecting pipe, and a heat exchanger PT6 and a solenoid valve PT 9 are arranged on the eighth connecting pipe;
two of the first connecting pipes, the air inlet pipe, the exhaust pipe, the second connecting pipe, the third connecting pipe, the fourth connecting pipe and the ninth connecting pipe are respectively provided with a hand valve which is respectively marked as HBV1-HBV8, the hand valve on the first connecting pipe communicated with one helium bottle is marked as HBV1, and the hand valve on the first connecting pipe communicated with the other helium bottle is marked as HBV2;
the first water chiller is used for providing cooling water for the compressor of the compressor station;
the method comprises the following specific steps: the data detected by the pressure transmitter PT1-PT6 are also recorded as PT1-PT6, the whole test system needs to be filled with helium before starting, the specific process is that a helium bottle is prepared in place, hand valves HBV 2-HBV 8 are opened in sequence, when the pressure PT1 in the system is greater than the lowest inlet pressure value Pset1 of the pressure transmitter, a compressor is started, the compressor is matched with a first water cooler to be started, and the system starts to be filled into a high-pressure bottle, a medium-pressure bottle and a low-pressure bottle in sequence; in the filling process, if the pressure of PT1 is less than the lowest air inlet pressure of a Pset1 compressor, the HBV1 needs to be opened, the HBV2 is closed, a helium bottle is replaced, another helium bottle is used for supplying air to the system, the helium is sequentially supplied to the system by the two helium bottles until PT4 is greater than the Pset2, the compressor stops, then the HBV1-HBV8 are sequentially closed, and the system completes air supply;
when the system is used for testing the performance of the compressor, the pressure and flow curve of the compressor is tested, the exhaust flow of the compressor is tested under different air inlet and exhaust pressures, the performance of the compressor is checked, and the method is carried out according to the following procedures: sequentially opening the hand valves HBV3-HBV8, starting the compressor and the first water chiller, and enabling the compressor to enter a standby mode, namely the compressor does not pressurize outwards at the moment; opening the SOV4, the SOV7, the SOV8 and the SOV10, and enabling the compressor to enter a pressurization state, wherein the high-pressure bottle is used as a buffer container at the outlet of the compressor; when the system starts to test and the inlet pressure of the compressor needs to be regulated in the test, the opening of the regulating valve is regulated to achieve the purpose of regulating the inlet pressure of the compressor; when the outlet pressure of the compressor needs to be reduced, the hydrogenation machine is manually started, gas enters the vehicle-mounted gas cylinder through the hydrogenation machine, when the outlet pressure of the compressor is reduced to a target value, the hydrogenation machine is closed, and test data are recorded; when the test needs to increase the outlet pressure of the compressor, opening the SOV5 and the SOV6, opening the hydrogenation machine, inflating the vehicle-mounted gas cylinder, when the pressure PT6 is greater than PT2, opening the SOV9, closing the SOV8 and the SOV7, testing a pressure flow curve of the compressor in the boosting process, when the pressure PT5 reaches a target value, opening the SOV7 and the SOV8, closing the hydrogenation machine and the SOV9, and testing and recording pressure data and flow data of the compressor after the exhaust pressure rises; and after the data test is finished, the test is selected to be finished, the system closes the SOV7 and the SOV8, opens the SOV9, and supplements pressure to the high-pressure bottle, the medium-pressure bottle and the low-pressure bottle in sequence, and when the PT6 is smaller than a set value Pset1 or the PT3 is larger than a set value Pset2 in the process, the system stops running, the compressor and the first water cooler stop, and all electromagnetic valves and all hand valves are closed.
2. The method for testing the performance of a hydrogenation unit as claimed in claim 1, wherein: the water-cooling system also comprises a second water chiller for providing cooling water for the heat exchanger.
3. The method of claim 1, wherein the step of monitoring the performance of the hydrogenation apparatus comprises: the gas inlet pipe, the second connecting pipe, the third connecting pipe, the fourth connecting pipe, the hydrogenation machine station and the compressor station are communicated with the discharge pipe through the gas outlet pipe, and safety valves are arranged on the gas outlet pipe.
4. The method for testing the performance of a hydrogenation unit as claimed in claim 1, wherein: when the system is used for testing a hydrogenation machine, the following procedures are carried out:
opening a hand valve HBV3-HBV8, starting a compressor, enabling the compressor to enter a standby state, starting a first water chiller, starting a hydrogenation machine, starting a system to open an SOV5, opening an SOV6 when the flow of the hydrogenation machine is smaller than a set value in the filling process, closing the SOV5, continuing to fill, opening an SOV7 and closing the SOV6 when the flow of the hydrogenation machine is smaller than the set value, and recording hydrogenation data after the filling is finished in the process; then the SOV9, the SOV10 and the SOV4 are opened, the SOV7 is closed, the compressor starts to sequentially fill the high, middle and low bottle groups, and after the three bottle groups are filled, the system is in place, and the next hydrogenation test can be carried out.
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