CN115585115A - Ionic liquid type crankshaft hydrogen compressor - Google Patents
Ionic liquid type crankshaft hydrogen compressor Download PDFInfo
- Publication number
- CN115585115A CN115585115A CN202211373120.7A CN202211373120A CN115585115A CN 115585115 A CN115585115 A CN 115585115A CN 202211373120 A CN202211373120 A CN 202211373120A CN 115585115 A CN115585115 A CN 115585115A
- Authority
- CN
- China
- Prior art keywords
- piston
- ionic liquid
- crankcase
- crankshaft
- cylinder sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002608 ionic liquid Substances 0.000 title claims abstract description 26
- 239000001257 hydrogen Substances 0.000 title claims abstract description 21
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 21
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 239000012528 membrane Substances 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 7
- 239000003921 oil Substances 0.000 description 19
- 239000007789 gas Substances 0.000 description 6
- 238000007906 compression Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Images
Classifications
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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
- F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
- F04B37/10—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
- F04B37/18—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use for specific elastic fluids
-
- 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
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
-
- 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
-
- 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
- F04B39/0005—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 adaptations of pistons
-
- 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
- F04B39/0005—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 adaptations of pistons
- F04B39/0011—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 adaptations of pistons liquid pistons
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
The invention relates to a diaphragm compressor, in particular to an ionic liquid type crankshaft hydrogen compressor, which comprises a crankcase, wherein the crankcase is connected with a crankshaft in a switching way, a belt pulley is fixedly connected onto the crankshaft at one end outside the crankcase, a big head end of a connecting rod is connected onto a crank neck of the crankshaft in the crankcase in a switching way, and a small head end of the connecting rod is connected with a cross head in a switching way; the piston is in a stepped shaft shape with small middle outer diameter and large two end outer diameters, the right large-diameter section is sealed by an oil seal, the right end is fixedly connected with a cross shaft head, a plurality of annular sealing grooves are processed on the left large-diameter section, and O-shaped rings are embedded in the annular sealing grooves to realize sealing with the oil cylinder sleeve; and ionic liquid is filled in a cavity enclosed by the middle small-diameter section of the piston and the oil cylinder sleeve. Compared with the prior art, the invention compresses hydrogen by using the piston, abandons a membrane structure and reduces the cost.
Description
Technical Field
The invention relates to a diaphragm compressor, in particular to an ionic liquid type crankshaft hydrogen compressor.
Background
The diaphragm compressor is used for compressing and conveying various high-purity gases, precious rare gases, toxic and harmful gases and corrosive gases, and is one of the diaphragm compressors for compressing and conveying hydrogen. The current hydrogen compressor usually adopts a diaphragm type, the diaphragm is an actuating element for realizing hydrogen compression, and once the diaphragm is damaged, the maintenance is complex. In addition, if the air source has more impurities, the pollution of the diaphragm can be caused, the fault of the compressor is caused, and the maintenance cost is higher.
Disclosure of Invention
In order to overcome one of the technical problems or technical problems in the prior art, the invention discloses an ionic liquid type crankshaft hydrogen compressor, which adopts the technical scheme that:
the ionic liquid type crankshaft hydrogen compressor comprises a crankcase, a crankcase is connected with a crankshaft in a switching way, a belt pulley is fixedly connected to the crankshaft at one end outside the crankcase, a crank neck of the crankshaft in the crankcase is connected with a large-head end of a connecting rod in a switching way, and a small-head end of the connecting rod is connected with a cross-shaped shaft head in a switching way; the piston is in a stepped shaft shape with small middle outer diameter and large two end outer diameters, the right large-diameter section is sealed by an oil seal, the right end is fixedly connected with a cross shaft head, a plurality of annular sealing grooves are processed on the left large-diameter section, and O-shaped rings are embedded in the annular sealing grooves to realize sealing with the oil cylinder sleeve; and ionic liquid is filled in a cavity enclosed by the middle small-diameter section of the piston and the oil cylinder sleeve.
Furthermore, the right end of the membrane head is fixedly connected with a flange-shaped piston pressing plate through a screw, an inner hole of the piston pressing plate is in interference fit with the outer circular surface of the oil seal, and the inner lip edge of the oil seal is abutted against the outer circular surface of the right large-diameter section of the piston.
Furthermore, an ionic liquid channel is formed in the membrane head and the oil cylinder sleeve along the radial direction of the oil cylinder sleeve, the inner end of the ionic liquid channel is communicated with the middle small-diameter section of the piston and a cavity enclosed by the oil cylinder sleeve, and the outer end of the ionic liquid channel is connected with a liquid supply system.
Furthermore, the crankcase is fixedly arranged on the seat body.
Compared with the prior art, the invention has the beneficial technical effects that:
1. the invention utilizes the piston to compress the hydrogen, abandons the membrane structure and reduces the cost.
2. The invention has simple structure and simple and convenient maintenance.
3. The invention uses the ionic liquid to replace the original hydraulic oil, thereby avoiding the limitation and harm of the oil to the compressor in the working process of the compressor.
Drawings
FIG. 1 is a schematic diagram of the present invention.
The reference numbers in the figures: the device comprises a crankshaft-1, a belt pulley-2, a crankcase-3, a seat body-4, a connecting rod-5, a liquid supply system-6, a cross head-7, a piston pressure plate-8, an oil seal-9, an oil cylinder sleeve-10, a membrane head-11, an ionic liquid channel-12, ionic liquid-13 and a piston-14.
Detailed Description
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "in communication" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; the two elements may be connected mechanically or electrically, directly or indirectly through an intermediate medium, or through a communication between the two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The ionic liquid type crankshaft hydrogen compressor comprises a crankcase 3, wherein the crankcase 3 is connected with a crankshaft 1 in a switching mode, a belt pulley 2 is fixedly connected to the crankshaft 1 at one end outside the crankcase 3, a large-head end of a connecting rod 5 is connected to a crank neck of the crankshaft 1 in the crankcase 3 in a switching mode, and a small-head end of the connecting rod 5 is connected with a cross shaft head 7 in a switching mode; the piston 14 is in a stepped shaft shape with a small middle outer diameter and large outer diameters at two ends, the right large-diameter section is sealed by an oil seal 9, the right end is fixedly connected with a cross shaft head 7, a plurality of annular sealing grooves are processed at the left large-diameter section, and O-shaped rings are embedded in the annular sealing grooves to realize sealing with the oil cylinder sleeve 10; and ionic liquid 13 is filled in a cavity enclosed by the middle small-diameter section of the piston 14 and the oil cylinder sleeve 10.
Specifically, the crankcase 3 is fixedly arranged on the seat body 4. The right end of the membrane head 11 is fixedly connected with a flange-shaped piston pressing plate 8 through a screw, an inner hole of the piston pressing plate 8 is in interference fit with an outer circular surface of the oil seal 9, and an inner lip edge of the oil seal 9 is abutted against the outer circular surface of the right large-diameter section of the piston 14. An ionic liquid channel 12 is formed in the membrane head 11 and the oil cylinder sleeve 10 in the radial direction of the oil cylinder sleeve 10, and the inner end of the ionic liquid channel 12 is communicated with a middle small-diameter section of the piston 14 and a cavity enclosed by the oil cylinder sleeve 10, and the outer end of the cavity is connected with the liquid supply system 6. The liquid supply system 6 is responsible for pumping the ionic liquid 13 into a cavity enclosed by the cylinder sleeve 10 and the piston 14.
Ionic liquids are liquids used for compressing gaseous media, with a vapor pressure of 10-9 mbar and with no or very low solubility for hydrogen. And is thermally stable over the temperature and pressure ranges of the compression process. See the liquid of compressed gas medium related to the chinese invention patent publication No. CN 101189437.
The working principle is as follows: the power transmitted by the motor is transmitted to the crankshaft 1, the crankshaft 1 is driven by the external drive motor to rotate, the crankshaft 1 drives the connecting rod 5 to swing, and the connecting rod 5 drives the cross shaft head 7 and the piston 9 to reciprocate, so that the processes of compression, exhaust, expansion and air suction of hydrogen are realized. When the piston 9 moves rightwards, the volume of the piston cavity is increased, the air inlet valve is opened, and hydrogen enters; when the piston 9 moves leftwards, the volume of the piston cavity is reduced, and after the compressed hydrogen reaches a certain pressure, the gas outlet valve is opened to output the compressed hydrogen.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (4)
1. An ionic liquid type crankshaft hydrogen compressor comprises a crankcase (3), wherein the crankcase (3) is connected with a crankshaft (1) in a switching way, a belt pulley (2) is fixedly connected to the crankshaft (1) at one end outside the crankcase (3), the crank neck of the crankshaft (1) in the crankcase (3) is connected with the large head end of a connecting rod (5) in a switching way, and the small head end of the connecting rod (5) is connected with a cross shaft head (7) in a switching way, and is characterized in that a film head (11) is fixedly connected to the left side of the crankcase (3), an axial and horizontal piston cavity is formed in the film head (11), an oil cylinder sleeve (10) is in interference fit in the piston cavity, and a piston (14) is in sliding fit in the oil cylinder sleeve (10); the piston (14) is in a stepped shaft shape with a small middle outer diameter and large outer diameters at two ends, the right large-diameter section is sealed by an oil seal (9), the right end is fixedly connected with a cross shaft head (7), a plurality of annular sealing grooves are processed at the left large-diameter section, and O-shaped rings are embedded in the annular sealing grooves to realize sealing with the oil cylinder sleeve (10); and a cavity enclosed by the middle small-diameter section of the piston (14) and the oil cylinder sleeve (10) is filled with ionic liquid (13).
2. The ionic liquid type crankshaft hydrogen compressor as claimed in claim 1, wherein the right end of the membrane head (11) is fixedly connected with a flange-shaped piston pressing plate (8) through a screw, an inner hole of the piston pressing plate (8) is in interference fit with an outer circular surface of the oil seal (9), and an inner lip edge of the oil seal (9) abuts against an outer circular surface of a right large-diameter section of the piston (14).
3. An ionic liquid type crankshaft hydrogen compressor according to claim 1, characterized in that the membrane head (11) and the cylinder sleeve (10) are provided with an ionic liquid channel (12) along the radial direction of the cylinder sleeve (10), and the inner end of the ionic liquid channel (12) is communicated with the middle small diameter section of the piston (14) and the cavity enclosed by the cylinder sleeve (10), and the outer end is connected with the liquid supply system (6).
4. An ionic liquid type crankshaft hydrogen compressor according to claim 1, characterized in that the crankcase (3) is fixed on the base body (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211373120.7A CN115585115A (en) | 2022-11-04 | 2022-11-04 | Ionic liquid type crankshaft hydrogen compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211373120.7A CN115585115A (en) | 2022-11-04 | 2022-11-04 | Ionic liquid type crankshaft hydrogen compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115585115A true CN115585115A (en) | 2023-01-10 |
Family
ID=84782741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211373120.7A Pending CN115585115A (en) | 2022-11-04 | 2022-11-04 | Ionic liquid type crankshaft hydrogen compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115585115A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201943918U (en) * | 2011-03-03 | 2011-08-24 | 鞍山佳朋压缩机有限公司 | Fully oil lubrication-free oxygen compressor |
| CN112160885A (en) * | 2020-10-15 | 2021-01-01 | 中国石油化工股份有限公司 | Plunger pump for oilfield water injection |
| CN114439728A (en) * | 2022-02-15 | 2022-05-06 | 西安佰能达动力科技有限公司 | Circulation liquid seal compressor |
-
2022
- 2022-11-04 CN CN202211373120.7A patent/CN115585115A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201943918U (en) * | 2011-03-03 | 2011-08-24 | 鞍山佳朋压缩机有限公司 | Fully oil lubrication-free oxygen compressor |
| CN112160885A (en) * | 2020-10-15 | 2021-01-01 | 中国石油化工股份有限公司 | Plunger pump for oilfield water injection |
| CN114439728A (en) * | 2022-02-15 | 2022-05-06 | 西安佰能达动力科技有限公司 | Circulation liquid seal compressor |
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