CN115288996B - Performance test device for simulating ionic liquid hydrogen compressor - Google Patents
Performance test device for simulating ionic liquid hydrogen compressor Download PDFInfo
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- CN115288996B CN115288996B CN202211139248.7A CN202211139248A CN115288996B CN 115288996 B CN115288996 B CN 115288996B CN 202211139248 A CN202211139248 A CN 202211139248A CN 115288996 B CN115288996 B CN 115288996B
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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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- 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
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/125—Cylinder heads
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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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Abstract
The invention provides a performance test device for simulating an ionic liquid hydrogen compressor, which comprises a cylinder and an air compressor, wherein one end of the cylinder is sealed by a cylinder cover made of transparent materials, a long piston is arranged in the cylinder, the long piston is driven to reciprocate in the cylinder along the inner wall surface of the cylinder so as to compress a medium in a space among the end surface of the long piston, the inner wall surface of the cylinder and the inner wall surface of the cylinder cover, and the air compressor is used for providing pressurized gas in the space among the end surface of the long piston, the inner wall surface of the cylinder and the inner wall surface of the cylinder cover; the method can intuitively observe the change of the self state of the ionic liquid along with the pressure change in the process of compressing the gas, and can be used for researching the lubrication and sealing performance of the ionic liquid on the hydrogen compressor under different pressures and researching the pressure resistance and the wear resistance of sealing pieces of different types and different materials.
Description
Technical Field
The invention relates to the technical field of hydrogen compressors, in particular to a performance test device for simulating an ionic liquid hydrogen compressor.
Background
The hydrogen has rich sources, is used as clean energy, has the characteristics of cleanness, high efficiency, zero pollution and zero emission, and receives wide attention of countries around the world. Along with the wide popularization and application of hydrogen energy, the method is beneficial to reducing the external dependence of energy sources in China and is beneficial to the green sustainable development of the future countries and the world.
The hydrogen energy is promoted by accelerating the construction of the layout hydrogenation station, wherein the hydrogen compressor is one of three core devices of the hydrogenation station, the cost investment is highest, and the hydrogen compressor is also a main factor for generating faults of the hydrogenation station, so that the hydrogen compressor with low cost and high stability is a main research object for the development of the hydrogenation station. The ionic liquid hydrogen compressor has the advantages of long maintenance period and high comprehensive efficiency, and has the core advantages of good cooling and lubricating properties of the ionic liquid.
However, at present, research on the motion characteristics of the ionic liquid in the ionic liquid hydrogen compressor in the compressor is still blank, so that the design of key parts of the compressor such as a piston and a valve is influenced, and the performance optimization and product development and upgrading of the ionic liquid hydrogen compressor are also influenced, so that it is very necessary to construct a set of reliable ionic liquid performance test system of the ionic liquid hydrogen compressor.
Disclosure of Invention
In order to achieve the above purpose, the invention provides a performance test device for simulating an ionic liquid hydrogen compressor, which can intuitively observe the change of the ionic liquid with the pressure change in the process of compressing gas, and can be used for researching the lubrication and sealing performance of the ionic liquid on the hydrogen compressor under different pressures and researching the pressure resistance and the wear resistance of sealing elements with different types and different materials.
The technical scheme adopted by the invention is as follows: the performance test device for the simulated ionic liquid hydrogen compressor is characterized by comprising a cylinder and an air compressor, wherein one end of the cylinder is sealed by a cylinder cover made of transparent materials, and preferably, the cylinder cover is made of organic glass and is fixedly arranged on an end flange of the cylinder by using bolts; the long piston is driven to reciprocate in the cylinder along the inner wall surface of the cylinder so as to compress medium in the space among the end surface of the long piston, the inner wall surface of the cylinder and the inner wall surface of the cylinder cover;
the cylinder cover is provided with a through hole, the air compressor is communicated to the through hole of the cylinder cover through a gas pipeline, and the air compressor is used for providing pressurized gas in the space among the end face of the long piston, the inner wall face of the cylinder and the inner wall face of the cylinder cover; the air compressor is characterized in that an air storage tank is further connected in series on an air pipeline between the air compressor and the cylinder cover, a safety valve and a first pressure gauge are arranged on the air storage tank, a pressure sensor and a temperature sensor are arranged at a through hole of the cylinder cover and located inside the cylinder, the pressure sensor and the temperature sensor are used for monitoring the air state change inside the cylinder in real time in the compression process of the reciprocating motion of the long piston, and the first pressure gauge is used for acquiring the air pressure value provided by the air compressor to the cylinder during test.
The outer peripheral surface middle section of the long piston is sunken towards the radial inner side, the sunken ion liquid cavity is formed, pressurized ion liquid is filled in the ion liquid cavity, a first sealing ring and a second sealing ring are further arranged between the outer peripheral surface of the long piston and the inner wall surface of the cylinder, the first sealing ring is located above the ion liquid cavity, and the second sealing ring is located below the ion liquid cavity. The device also comprises an energy accumulator, a plunger pump and an ionic liquid storage tank, wherein the ionic liquid cavity is sequentially communicated with the energy accumulator, the plunger pump and the ionic liquid storage tank through liquid supply pipelines, the plunger pump is used for pressurizing and conveying the ionic liquid for supplying in the ionic liquid storage tank to the interior of the energy accumulator and the ionic liquid cavity, a second pressure gauge is arranged on the energy accumulator, and the second pressure gauge is used for obtaining the pressure value of the ionic liquid in the ionic liquid cavity in real time.
Further, an air valve for controlling the on-off of an air pipeline is arranged at the through hole of the cylinder cover, and the air valve controls the on-off of the air channel of the air compressor and the inner space of the cylinder.
The first sealing ring and the second sealing ring are both arranged in annular grooves formed in the outer peripheral surface of the long piston, one to three annular grooves are formed in the position, where the first sealing ring is arranged, of the outer peripheral surface of the long piston, one to three annular grooves are also formed in the position, where the second sealing ring is arranged, of the outer peripheral surface of the long piston, and according to test requirements, different numbers of sealing rings are arranged in the annular grooves to explore the influence of the number and the shape of the sealing rings on the sealing performance and the service life.
The inlet of the gas storage tank is provided with a first regulating valve for controlling the on-off of the gas pipeline, the outlet of the gas storage tank is provided with a second regulating valve for controlling the on-off of the gas pipeline, and the first regulating valve and the second regulating valve are opened and closed according to test requirements and the maintenance requirements of the gas pressure in the gas storage tank; a third regulating valve for controlling the on-off of the liquid supply pipeline is arranged between the energy accumulator and the ion liquid cavity, a fourth regulating valve for controlling the on-off of the liquid supply pipeline is arranged between the energy accumulator and the plunger pump, and the third regulating valve and the fourth regulating valve are opened and closed according to test requirements and the maintenance requirements of the ion liquid pressure in the energy accumulator.
The cylinder is installed on the crankcase, install the second step motor in the crankcase, the crank of crank connecting rod structure is driven to the second step motor rotates, the connecting rod of crank connecting rod structure passes through the cross head and is connected with long piston, thereby makes the reciprocating motion is realized to second step motor drive long piston. The device also comprises a first stepping motor and a third stepping motor, wherein the first stepping motor drives the air compressor to work, and the third stepping motor drives the plunger pump to work.
The technical scheme of the invention has the advantages that:
through the transparent cylinder cover, the influence of the ionic liquid layer in the cylinder on the performance of the hydrogen compressor in the process of reciprocating movement of the ionic liquid layer along with the piston of the hydrogen compressor under different pressure states can be intuitively observed (or shot by a camera) when the long piston compresses high-pressure gas along with the physical property change of the gas pressure change; the method can be used for researching the influence of high-pressure ionic liquid on sealing and lubricating properties when moving along with a long piston, and researching the sealing property and service life of the sealing rings when the quantity, the type and the material of the sealing rings matched with the ionic liquid are changed.
The performance test device for simulating the ionic liquid hydrogen compressor can safely and effectively test the ionic liquid hydrogen compressor within the range of 45MPa, has a wide pressure range, and can completely meet test requirements.
Drawings
FIG. 1 is a schematic view of the overall structure of the test device of the present invention;
in the figure: 1. the device comprises a first stepping motor, 2, an air compressor, 3, a first pressure gauge, 4, a safety valve, 5, a first regulating valve, 6, a second regulating valve, 7, an air storage tank, 8, an air valve, 9, a cylinder cover, 10, a pressure sensor, 11, a temperature sensor, 12, an ionic liquid layer, 13, a cylinder, 14, a long piston, 15, a cross head, 16, a crankcase, 17, a second stepping motor, 18, an energy accumulator, 19, a plunger pump, 20, a supplementing ionic liquid, 21, an ionic liquid storage tank, 22, a third regulating valve, 23, a fourth regulating valve, 24, a third stepping motor, 25, an ionic liquid cavity, 26, a first sealing ring, 27, a second sealing ring, 28 and a second pressure gauge.
Detailed Description
Hereinafter, specific embodiments of the present application will be described in detail with reference to the accompanying drawings, and according to these detailed descriptions, those skilled in the art can clearly understand the present application and can practice the present application. Features from various embodiments may be combined to obtain new implementations or to replace certain features from certain embodiments to obtain other preferred implementations without departing from the principles of the present application.
Referring to fig. 1, the performance test device for simulating an ionic liquid hydrogen compressor of the invention is a schematic diagram of the whole structure of the test device, and comprises a cylinder assembly, a gas pressure supply assembly and an ionic liquid pressure supply assembly;
the cylinder assembly comprises a cylinder 13, one end of the cylinder 13 is fixedly arranged on a crank case 16, the other end of the cylinder 13 is sealed by a cylinder cover 9, the cylinder cover 9 is made of organic glass or other pressure-resistant transparent materials, so that a tester or a high-speed camera can directly observe the internal condition of the cylinder 13 through the cylinder cover 9, and the cylinder cover 9 is detachably arranged on the cylinder 13 through bolts; the long piston 14 is arranged in the cylinder 13, the second stepping motor 17 is arranged in the crank case 16, the second stepping motor 17 drives the crank connecting rod structure to move, the connecting rod end part of the crank connecting rod structure is connected with the connecting rod at the end part of the long piston 14 through the cross head 15, and accordingly the long piston 14 is driven by the crank connecting rod structure to reciprocate under the driving of the second stepping motor 17, and therefore medium in a space between the long piston 14 and the cylinder cover 9 in the cylinder 13 is compressed.
The gas pressure supplies pressure subassembly includes first step motor 1, air compressor machine 2 and gas holder 7, air compressor machine 2 is through the pipeline intercommunication extremely the opening of cylinder cap 9, and be provided with pneumatic valve 8 in the opening part of cylinder cap 9, pneumatic valve 8 control air compressor machine 2 and cylinder 13 inner space's gas circuit break-make, the gas holder 7 that is located sets up between air compressor machine 2 and pneumatic valve 8 for store and cushion the high-pressure gas that air compressor machine 2 provided, the entrance of gas holder 7 is provided with first governing valve 5, the exit of gas holder 7 is provided with second governing valve 6, still be provided with first manometer 3 and relief valve 4 on the gas holder 7, the opening part of cylinder cap 9 just is located cylinder 13 inside still is provided with pressure sensor 10 and temperature sensor 11 for the inside gas state change of real-time supervision cylinder 13, pressure sensor 10 and temperature sensor 11 also can set up the position department that the inner wall is close to cylinder cap 9 at cylinder 13.
The ionic liquid pressure supply assembly comprises an ionic liquid storage tank 21, a plunger pump 19, a third stepping motor 24 and an energy accumulator 18, wherein the energy accumulator 18 is sequentially communicated with the plunger pump 19 and the ionic liquid storage tank 21 through liquid supply pipelines, the energy accumulator 18 is further communicated to an ionic liquid cavity 25 which is formed at the periphery of the long piston 14 and is in an annular gap through liquid supply pipelines, the ionic liquid storage tank 21 stores the ion liquid 20 for replenishment, the plunger pump 19 pressurizes the ionic liquid in the ionic liquid storage tank 21 and then conveys the ionic liquid to the energy accumulator 18 and the ionic liquid cavity 25, and the third stepping motor 24 is used for driving the plunger pump 19 to work. Referring to fig. 1, a third regulating valve 22 is disposed on a liquid supply pipeline between the accumulator 18 and the ionic liquid chamber 25, a fourth regulating valve 23 is disposed on a liquid supply pipeline between the accumulator 18 and the plunger pump 19, a second pressure gauge 28 is further disposed on the accumulator 18, and the pressure of the ionic liquid in the ionic liquid chamber 25 is detected and stabilized through the accumulator 18 and the second pressure gauge 28.
Referring to fig. 1, the outer peripheral surface of the middle section of the long piston 14 is recessed toward the inside to form an ionic liquid chamber 25 between the long piston 14 and the inner wall of the cylinder 13, the axial length of the ionic liquid chamber 25 being such that the liquid supply line always keeps the ionic liquid chamber 25 in communication with the accumulator 18 when the long piston 14 reciprocates; both ends of the ionic liquid chamber 25 are respectively sealed by a first sealing ring 26 and a second sealing ring 27 which are positioned between the long piston 14 and the inner wall of the cylinder 13, and the first sealing ring 26 and the second sealing ring 27 are arranged in grooves on the outer peripheral surface of the long piston 14. The first stepping motor 1 drives the air compressor 2 to work, and high-pressure air is provided by the air compressor 2, so that the space between the upper end of the long piston 14 in the cylinder 13 and the cylinder cover 9 is pressurized and the pressure required by the test is maintained.
The performance test device for simulating the ionic liquid hydrogen compressor comprises two test states, in the first test state, a proper amount of ionic liquid is filled in a space between the upper part of a long piston 14 and a cylinder cover 9, so that an ionic liquid layer 12 is formed on the upper part of the long piston 14, an air compressor 2 is started, the pressure value of a first pressure gauge 3 which is supplied to an air storage tank 7 reaches test pressure, a first regulating valve 5 is closed, an air valve 8 is opened, the space where the ionic liquid layer 12 is positioned is pressurized, the air compressor 2 can directly extract air compression to replace hydrogen for test, and the state change of the ionic liquid under the same pressure value is observed, and of course, the air compressor 2 can also be externally connected with a hydrogen tank by directly using high-pressure hydrogen for test, and the air storage tank 7 plays a role of temporarily storing hydrogen in the middle process; then the air valve 8 is closed, in the process of reciprocating motion of the long piston 14, the state change of the ionic liquid along with the reciprocating motion pressure change of the long piston is observed, the influence of the ionic liquid along with the reciprocating motion of the hydrogen compressor piston in different pressure states on the performance of the hydrogen compressor is obtained, and the pressure sensor 10 and the temperature sensor 11 monitor the gas state change in the cylinder 13 in real time, so that the corresponding relation between the gas state change and the ionic liquid state change can be compared.
The second test state is used for researching the sealing performance and the lubricating performance of the pressurized ionic liquid in the ionic liquid cavity 25 when the pressurized ionic liquid reciprocates along with the long piston, specifically, the third stepper motor 24 drives the plunger pump 19 to work, the pressurized ionic liquid is injected into the ionic liquid cavity 25, after the value of the second pressure gauge 28 reaches the test set pressure, the plunger pump 19 is closed, the fourth regulating valve 23 is closed, in the process of reciprocating the long piston 14, the pressure fluctuation of the pressurized ionic liquid in the ionic liquid cavity 25 is monitored through the second pressure gauge 28, and the leakage failure of the sealing ring is judged when the pressure is smaller than the set threshold value, so that the sealing effect of the first sealing ring and the second sealing ring is verified, the types of the first sealing ring and the second sealing ring can be replaced in the test process, for example, sealing pieces of different types and different materials such as O-shaped rings, V-shaped rings and combined sealing rings can be adopted, meanwhile, the first sealing ring and the second sealing ring can be respectively set to be two or three, one to three annular grooves for installing the first sealing ring is reserved at the corresponding positions above the peripheral surface of the long piston, and one to the reserved annular grooves for installing the second sealing ring is reserved at the corresponding positions below the peripheral surface of the long piston. And the second stepping motor 17 can be used for controlling the reciprocating frequency of the long piston 14, adjusting the test period, exploring the failure life of different types of sealing rings under ionic liquids with different pressures and meeting the pressure resistance under the sealing requirement. The accumulator 18 monitors the pressure change of the ionic liquid in the ionic liquid cavity 25, and when the instantaneous pressure is increased due to abnormal operation of the test device, the accumulator 18 is powered on to ensure the normal pressure of the whole test device and ensure the test safety.
While the foregoing description of the embodiments of the present invention has been presented in conjunction with the drawings, it should be understood that it is not intended to limit the scope of the invention, but rather, it is intended to cover all modifications or variations within the scope of the invention as defined by the claims of the present invention.
Claims (10)
1. The performance test device for the simulated ionic liquid hydrogen compressor is characterized by comprising a cylinder and an air compressor, wherein one end of the cylinder is sealed by a cylinder cover made of transparent materials, a long piston is arranged in the cylinder, and the long piston is driven to reciprocate in the cylinder along the inner wall surface of the cylinder so as to compress medium in a space among the end surface of the long piston, the inner wall surface of the cylinder and the inner wall surface of the cylinder cover;
the cylinder cover is provided with a through hole, the air compressor is communicated to the through hole of the cylinder cover through a gas pipeline, and the air compressor is used for providing pressurized gas in the space among the end face of the long piston, the inner wall face of the cylinder and the inner wall face of the cylinder cover; the air cylinder is characterized in that an air storage tank is further connected in series to an air pipeline between the air compressor and the cylinder cover, a safety valve and a first pressure gauge are arranged on the air storage tank, and a pressure sensor and a temperature sensor are arranged at a through hole of the cylinder cover and located inside the cylinder.
2. The device of claim 1, further characterized in that the peripheral surface intermediate section of the long piston is recessed toward the radial inner side, the recess forms an ionic liquid chamber, the interior of the ionic liquid chamber is filled with pressurized ionic liquid, and a first sealing ring and a second sealing ring are further arranged between the peripheral surface of the long piston and the inner wall surface of the cylinder, the first sealing ring is located above the ionic liquid chamber, and the second sealing ring is located below the ionic liquid chamber.
3. The device of claim 2, further characterized by comprising an accumulator, a plunger pump and an ionic liquid storage tank, wherein the ionic liquid cavity is sequentially communicated with the accumulator, the plunger pump and the ionic liquid storage tank through a liquid supply pipeline, and the plunger pump is used for pressurizing and conveying the ionic liquid for replenishing in the ionic liquid storage tank to the interior of the accumulator and the ionic liquid cavity.
4. A device according to any one of claims 1-3, further characterized in that a gas valve for controlling the on-off of the gas line is provided at the through hole of the cylinder head.
5. A device according to claim 3, further characterized in that the accumulator has a second pressure gauge mounted thereon.
6. The device of claim 2, further characterized in that the first and second sealing rings are each mounted in an annular groove formed in the outer peripheral surface of the long piston, one to three annular grooves being provided at the location where the first sealing ring is mounted on the outer peripheral surface of the long piston, and one to three annular grooves being also provided at the location where the second sealing ring is mounted on the outer peripheral surface of the long piston.
7. A device according to any one of claims 1-3, further characterized in that a first regulating valve for controlling the on-off of the gas pipeline is arranged at the inlet of the gas tank, and a second regulating valve for controlling the on-off of the gas pipeline is arranged at the outlet of the gas tank.
8. The device according to claim 3 or 5, further characterized in that a third regulating valve for controlling the on-off of the liquid supply pipeline is arranged between the energy accumulator and the ion liquid cavity, and a fourth regulating valve for controlling the on-off of the liquid supply pipeline is arranged between the energy accumulator and the plunger pump.
9. A device according to any one of claims 1 to 3, further characterized in that the cylinder is mounted on a crankcase in which a second stepper motor is mounted, the second stepper motor driving the crank of a crank-link structure to rotate, the links of the crank-link structure being connected to the long piston by means of a cross-head, such that the second stepper motor drives the long piston to perform a reciprocating motion.
10. The apparatus of claim 3 further comprising a first stepper motor and a third stepper motor, said first stepper motor driving said air compressor and said third stepper motor driving said plunger pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211139248.7A CN115288996B (en) | 2022-09-19 | 2022-09-19 | Performance test device for simulating ionic liquid hydrogen compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211139248.7A CN115288996B (en) | 2022-09-19 | 2022-09-19 | Performance test device for simulating ionic liquid hydrogen compressor |
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| Publication Number | Publication Date |
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| CN115288996A CN115288996A (en) | 2022-11-04 |
| CN115288996B true CN115288996B (en) | 2023-07-21 |
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| CN202211139248.7A Active CN115288996B (en) | 2022-09-19 | 2022-09-19 | Performance test device for simulating ionic liquid hydrogen compressor |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN216950762U (en) * | 2022-03-02 | 2022-07-12 | 重庆气体压缩机厂有限责任公司 | Liquid piston compressor |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19822092A1 (en) * | 1998-05-16 | 1999-11-18 | Zf Luftfahrttechnik Gmbh | Hydraulic pressure accumulator system with cylinder piston |
| DE102006040785A1 (en) * | 2006-08-31 | 2008-03-06 | Linde Ag | Pistonless compressor |
| DE102011101504A1 (en) * | 2011-05-13 | 2012-11-15 | Linde Ag | Method for compressing water-saturated gaseous medium e.g. hydrogen, to be used as fuel in vehicle, involves subjecting compressed medium to water separation, where compressed medium is cooled before entering into separators |
| CN103278390B (en) * | 2013-05-28 | 2015-02-25 | 浙江大学 | Material testing device under high-pressure hydrogen environment based on ionic liquids and operation method |
| CN103410810B (en) * | 2013-08-13 | 2015-07-15 | 湖南特力液压有限公司 | Test equipment for testing durability of sealing element of hydraulic cylinder |
| JP6389440B2 (en) * | 2015-03-13 | 2018-09-12 | 株式会社神戸製鋼所 | Gas supply system, hydrogen station provided with the same, pressure accumulator life determination method, and method of using gas supply system |
| US10385836B2 (en) * | 2015-07-14 | 2019-08-20 | Panasonic Intellectual Property Management Co., Ltd. | Reciprocating compressor and hydrogen supply system |
| CN112796986B (en) * | 2021-01-13 | 2022-07-19 | 合肥通用机械研究院有限公司 | Cylinder sleeve and piston sealing test device capable of simulating actual operation condition of reciprocating pump |
| CN113669241B (en) * | 2021-08-12 | 2022-05-20 | 西安交通大学 | Liquid piston compressor control system |
| CN114439728B (en) * | 2022-02-15 | 2024-04-09 | 西安佰能达动力科技有限公司 | Circulation liquid seal compressor |
| CN114810686A (en) * | 2022-03-18 | 2022-07-29 | 桂林电子科技大学 | Pressure self-adaptive gas piston type energy accumulator system and method |
-
2022
- 2022-09-19 CN CN202211139248.7A patent/CN115288996B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN216950762U (en) * | 2022-03-02 | 2022-07-12 | 重庆气体压缩机厂有限责任公司 | Liquid piston compressor |
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