CN115726946A - Horizontal double-cylinder differential piston ionic liquid crankshaft compressor - Google Patents
Horizontal double-cylinder differential piston ionic liquid crankshaft compressor Download PDFInfo
- Publication number
- CN115726946A CN115726946A CN202211375359.8A CN202211375359A CN115726946A CN 115726946 A CN115726946 A CN 115726946A CN 202211375359 A CN202211375359 A CN 202211375359A CN 115726946 A CN115726946 A CN 115726946A
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- Prior art keywords
- head
- piston
- membrane
- cylinder
- ionic liquid
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- 239000002608 ionic liquid Substances 0.000 title claims abstract description 26
- 239000012528 membrane Substances 0.000 claims abstract description 44
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 10
- 239000001257 hydrogen Substances 0.000 abstract description 10
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 10
- 239000003921 oil Substances 0.000 description 26
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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Abstract
The invention relates to a diaphragm compressor, in particular to a horizontal double-cylinder differential piston ionic liquid crankshaft compressor, which comprises a base body, wherein a crankcase is fixedly arranged on the base body, the crankcase is connected with a crankshaft in a switching way, a pulley is fixedly connected to the crankshaft at one end outside the crankcase, the crank neck of the crankshaft in the crankcase is connected with the large head ends of 2 connecting rods in a switching way, the small head ends of the 2 connecting rods are respectively connected with a cross shaft head in a switching way, the left side and the right side of the crankcase are respectively and fixedly connected with a membrane head, the 2 membrane heads are respectively and fixedly connected with a stepped cylindrical membrane head oil cylinder, and each membrane head oil cylinder is in sliding fit with a stepped shaft-shaped piston; the piston comprises an outer head part, an outer neck part, a middle head part, an inner neck part, an inner head part and an inner end part, wherein a plurality of dense annular sealing grooves are formed in the outer head part and the middle head part, sealing rings are placed in the annular sealing grooves to realize sealing with the membrane head oil cylinder, and the diameter of the outer head part is larger than that of the middle head part; the cavities among the outer neck part, the inner neck part and the membrane head oil cylinder are filled with ionic liquid, and the inner end part is fixedly connected with a cross-shaped shaft head. The invention adopts double cylinders, thereby improving the hydrogen output.
Description
Technical Field
The invention relates to a diaphragm compressor, in particular to a horizontal double-cylinder differential piston ionic liquid crankshaft 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 existing hydrogen compressor is usually in 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 gas 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 existing in the prior art, the invention discloses a horizontal double-cylinder differential piston ionic liquid crankshaft compressor, which comprises a base body, wherein a crankshaft box is fixedly arranged on the base body, the crankshaft box is connected with a crankshaft in a switching way, a belt pulley is fixedly connected to the crankshaft at one end outside the crankshaft box, the crank neck of the crankshaft in the crankshaft box is connected with the big head ends of 2 connecting rods in a switching way, the small head ends of the 2 connecting rods are respectively connected with a cross shaft head in a switching way, the left side and the right side of the crankshaft box are respectively fixedly connected with a film head, the 2 film heads are respectively fixedly connected with a film head oil cylinder in a ladder barrel shape, and each film head oil cylinder is in sliding fit with a ladder shaft-shaped piston; the piston comprises an outer head part, an outer neck part, a middle head part, an inner neck part, an inner head part and an inner end part, wherein a plurality of dense annular sealing grooves are formed in the outer head part and the middle head part, sealing rings are placed in the annular sealing grooves to realize sealing with the membrane head oil cylinder, and the diameter of the outer head part is larger than that of the middle head part; the cavities among the outer neck part, the inner neck part and the membrane head oil cylinder are filled with ionic liquid, and the inner end part is fixedly connected with a cross-shaped shaft head.
Furthermore, the inner end of the membrane head is fixedly connected with a piston pressure plate flange through a screw, an oil seal is arranged in an inner hole of the piston baffle plate flange, and the inner lip edge of the oil seal is abutted to the outer circular surface of the inner head of the piston.
Furthermore, a piston pressure plate flange is sleeved on the inner head, and the piston pressure plate flange is abutted against a shaft shoulder at the inner end and is fixedly connected with the cross shaft head through a screw.
Furthermore, the outer end of the membrane head oil cylinder is blocked by an air inlet and outlet valve flange fixedly connected with the membrane head.
Furthermore, the inner end of the ionic liquid pressure relief pipeline penetrates through the membrane head and a cavity between the outer neck and the inner neck of the membrane head oil cylinder and is communicated with the piston, and the outer end of the ionic liquid pressure relief pipeline is connected with the liquid supply system.
Further, the membrane head is in interference fit with the membrane head oil cylinder.
Furthermore, the inner head is in small clearance fit with the membrane head oil cylinder.
Compared with the prior art, the invention has the beneficial technical effects that:
1. this patent simple structure, it is simple and convenient to maintain.
2. This patent directly adopts the piston to carry out hydrogen compression, has abandoned the diaphragm of compressor, has practiced thrift the cost.
3. This patent adopts the double-cylinder compression, has improved the hydrogen output volume of product greatly.
4. The invention uses the ionic liquid to replace the original hydraulic oil, thereby avoiding the limitation and the damage of the oil to the compressor in the working process of the compressor.
5. The diameter of the outer head part of the piston is larger than that of the middle head part, and the pressure loaded in the piston and transmitted from the small head part to the outer head part is amplified due to the effect of the differential piston.
6. The outer head and the middle head of the piston are provided with dense grooves for placing sealing rings, so that the hydrogen and the ionic liquid can not flee.
7. The diameter of the outer neck and the inner neck of the piston is the minimum, so that sufficient ionic liquid is ensured in the piston, and the output pressure of hydrogen compression is ensured in the process of compressing hydrogen by the piston.
8. The inner head part of the invention is in small clearance fit with the membrane head oil cylinder, thereby ensuring the axial movement of the piston in the membrane head oil cylinder and ensuring the movement reliability of the piston.
Drawings
FIG. 1 is a schematic diagram of the present invention.
Fig. 2 is a schematic view of the piston structure of the present invention.
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 specified or limited, the terms "mounted," "connected," and "in communication" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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 horizontal double-cylinder differential piston ionic liquid crankshaft compressor comprises a base body 4, wherein a crankcase 3 is fixedly arranged on the base body 4, the crankcase 3 is connected with a crankshaft 1 in a switching way, and a belt pulley 2 is fixedly connected to the crankshaft 1 at one end outside the crankcase 3; the piston 10 comprises an outer head part 10-6, an outer neck part 10-5, a middle head part 10-4, an inner neck part 10-3, an inner head part 10-2 and an inner end part 10-1, wherein a plurality of dense annular sealing grooves are processed in the outer head part 10-6 and the middle head part 10-4, sealing rings are placed in the annular sealing grooves to realize sealing with the membrane head oil cylinder 11, and the diameter of the outer head part 10-6 is larger than that of the middle head part 10-4; the cavity between the outer neck 10-5, the inner neck 10-3 and the membrane head oil cylinder 11 is filled with ionic liquid 15, and the inner end 10-1 is fixedly connected with the cross head 7.
Specifically, the inner end of the membrane head 13 is fixedly connected with a piston pressure plate flange 8 through a screw, an oil seal 9 is arranged in an inner hole of the piston baffle plate flange 8, and the inner lip edge of the oil seal 9 is abutted to the outer circular surface of the inner head 10-2 of the piston 10.
The inner head part 10-2 is sleeved with a piston pressure plate flange 16, and the piston pressure plate flange 16 is abutted against the shaft shoulder of the inner end part 10-1 and is fixedly connected with the cross shaft head 7 through screws.
The outer end of the membrane head oil cylinder 11 is sealed by an air inlet and outlet valve flange 12 fixedly connected with a membrane head 13.
The inner end of the ionic liquid pressure relief pipeline 14 penetrates through the membrane head 13 and the membrane head oil cylinder 11 in a sealing mode to be communicated with a cavity between the outer neck 10-5 and the inner neck 10-3 of the piston 10 and the membrane head oil cylinder 11, and the outer end of the ionic liquid pressure relief pipeline 14 is connected with the liquid supply system 6.
The membrane head 13 is in interference fit with the membrane head oil cylinder 11. The inner head part 10-2 is in small clearance fit with the membrane head oil cylinder 11.
The working process is as follows: the crankshaft 1 is driven by an external drive motor to rotate, the crankshaft 1 is rigidly connected with the connecting rod 5 through a bolt, the connecting rod 5 is rigidly connected with the cross shaft head 7 through a bolt, and the cross shaft head 7 is rigidly connected with the piston 10 through a bolt, so that the reciprocating motion of the piston 10 is realized through the rotation of the crankshaft 1, and the compression, exhaust, expansion and suction processes of hydrogen are realized. Since the piston 10 and the diaphragm head cylinder 11 constitute a differential stage cylinder, a small pressure applied to the piston 10 can be amplified and output.
First order theory of operation (left side): when the piston 10 moves rightwards, the volume in the cavity of the membrane head oil cylinder 11 is increased, the air inlet valve is opened, air is sucked, when the piston 10 moves rightwards, the volume in the cavity of the membrane head oil cylinder 11 is reduced, the air is compressed to set pressure, the air outlet valve is opened, and the air is exhausted.
Secondary principle of operation (right side): when the piston 10 moves leftwards, the volume in the cavity of the membrane head oil cylinder 11 is increased, the air inlet valve is opened, air is sucked, when the piston 10 moves leftwards, the volume in the cavity of the membrane head oil cylinder 11 is reduced, the air is compressed to set pressure, the air outlet valve is opened, and the air is exhausted.
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 (7)
1. The horizontal double-cylinder level difference piston ionic liquid crankshaft compressor comprises a base body (4), wherein a crank case (3) is fixedly arranged on the base body (4), the crank case (3) is connected with a crank shaft (1) in a switching way, and a belt pulley (2) is fixedly connected to the crank shaft (1) at one end outside the crank case (3), and is characterized in that the crank neck of the crank shaft (1) in the crank case (3) is connected with the large head ends of 2 connecting rods (5) in a switching way, the small head ends of the 2 connecting rods (5) are respectively connected with a cross shaft head (7), the left side and the right side of the crank case (3) are respectively fixedly connected with a film head (13), the 2 film heads (13) are respectively and fixedly connected with film head oil cylinders (11) in a ladder barrel shape, and each film head oil cylinder (11) is in sliding fit with a ladder shaft-shaped piston (10); the piston (10) comprises an outer head part (10-6), an outer neck part (10-5), a middle head part (10-4), an inner neck part (10-3), an inner head part (10-2) and an inner end part (10-1), a plurality of dense annular sealing grooves are processed on the outer head part (10-6) and the middle head part (10-4), sealing rings are placed in the annular sealing grooves to realize sealing with the membrane head oil cylinder (11), and the diameter of the outer head part (10-6) is larger than that of the middle head part (10-4); the cavity between the outer neck (10-5), the inner neck (10-3) and the membrane head oil cylinder (11) is filled with ionic liquid (15), and the inner end (10-1) is fixedly connected with a cross shaft head (7).
2. The horizontal double-cylinder differential piston ionic liquid crankshaft compressor is characterized in that the inner end of the membrane head (13) is fixedly connected with a piston pressure plate flange (8) through a screw, an oil seal (9) is installed in an inner hole of the piston baffle plate flange (8), and the inner lip edge of the oil seal (9) is abutted to the outer circular surface of the inner head (10-2) of the piston (10).
3. The horizontal double-cylinder differential piston ionic liquid crankshaft compressor as claimed in claim 1, wherein a piston pressure plate flange (16) is sleeved on the inner head portion (10-2), and the piston pressure plate flange (16) is abutted against a shaft shoulder of the inner end portion (10-1) and is fixedly connected with the cross head (7) through screws.
4. The horizontal double-cylinder differential piston ionic liquid crankshaft compressor according to claim 1, characterized in that the outer end of the membrane head cylinder (11) is blocked by an air inlet and outlet valve flange (12) fixedly connected with the membrane head (13).
5. The horizontal double-cylinder differential piston ionic liquid crankshaft compressor according to claim 1, characterized in that the inner end of the ionic liquid pressure relief pipeline (14) penetrates through the membrane head (13) and the membrane head cylinder (11) in a sealing manner to communicate with a cavity between the outer neck (10-5) and the inner neck (10-3) of the piston (10) and the membrane head cylinder (11), and the outer end of the ionic liquid pressure relief pipeline (14) is connected with the liquid supply system (6).
6. The horizontal double-cylinder differential piston ionic liquid crankshaft compressor as claimed in claim 1, wherein the membrane head (13) is in interference fit with the membrane head cylinder (11).
7. The horizontal double-cylinder differential piston ionic liquid crankshaft compressor according to claim 1, characterized in that the inner head (10-2) is in close clearance fit with the membrane head cylinder (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211375359.8A CN115726946A (en) | 2022-11-04 | 2022-11-04 | Horizontal double-cylinder differential piston ionic liquid crankshaft compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211375359.8A CN115726946A (en) | 2022-11-04 | 2022-11-04 | Horizontal double-cylinder differential piston ionic liquid crankshaft compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115726946A true CN115726946A (en) | 2023-03-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211375359.8A Withdrawn CN115726946A (en) | 2022-11-04 | 2022-11-04 | Horizontal double-cylinder differential piston ionic liquid crankshaft compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115726946A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117108476A (en) * | 2023-10-24 | 2023-11-24 | 自贡诺力斯百盛压缩机有限公司 | Variable-frequency gas compressor |
-
2022
- 2022-11-04 CN CN202211375359.8A patent/CN115726946A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117108476A (en) * | 2023-10-24 | 2023-11-24 | 自贡诺力斯百盛压缩机有限公司 | Variable-frequency gas compressor |
| CN117108476B (en) * | 2023-10-24 | 2024-01-23 | 自贡诺力斯百盛压缩机有限公司 | Variable-frequency gas compressor |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20230303 |
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| WW01 | Invention patent application withdrawn after publication |