CN115653867A - Horizontal two-stage compression dual-piston ionic liquid crankshaft compressor - Google Patents
Horizontal two-stage compression dual-piston ionic liquid crankshaft compressor Download PDFInfo
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- CN115653867A CN115653867A CN202211374852.8A CN202211374852A CN115653867A CN 115653867 A CN115653867 A CN 115653867A CN 202211374852 A CN202211374852 A CN 202211374852A CN 115653867 A CN115653867 A CN 115653867A
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- head
- membrane
- piston
- ionic liquid
- neck
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- 239000002608 ionic liquid Substances 0.000 title claims abstract description 23
- 230000006835 compression Effects 0.000 title claims abstract description 17
- 238000007906 compression Methods 0.000 title claims abstract description 17
- 239000012528 membrane Substances 0.000 claims abstract description 48
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 239000003566 sealing material Substances 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 21
- 239000001257 hydrogen Substances 0.000 description 7
- 229910052739 hydrogen Inorganic materials 0.000 description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000009286 beneficial effect Effects 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
- 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 two-stage compression double-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, a belt pulley is fixedly connected to the crankshaft at one end outside the crankcase, the big head ends of 2 connecting rods are connected to the crank neck of the crankshaft in the crankcase in a rotating way, the small head ends of the 2 connecting rods are respectively connected with a cross head in a rotating way, the left side and the right side of the crankcase are respectively and fixedly connected with a membrane head, membrane head oil cylinders are respectively in interference fit in the 2 membrane heads, and pistons are respectively in sliding fit in the membrane head oil cylinders; the 2 pistons are in a stepped shaft shape and respectively comprise 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, a plurality of dense annular sealing grooves are processed at the outer head part, and sealing materials are placed in the annular sealing grooves to realize sealing with the membrane head oil cylinder; the cavities among the outer neck, the inner neck and the membrane head oil cylinder are filled with ionic liquid, and the inner end part is fixedly connected with a cross head. The invention abandons the membrane structure and only adopts one membrane head, thereby reducing the cost.
Description
Technical Field
The invention relates to a diaphragm compressor, in particular to a horizontal two-stage compression double-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 in the prior art, the invention discloses a horizontal two-stage compression double-piston ionic liquid crankshaft compressor, which comprises a base, wherein a crankshaft case is fixedly arranged on the base, the crankshaft case is connected with a crankshaft in a switching way, a pulley is fixedly connected to the crankshaft at one end outside the crankshaft case, the crank neck of the crankshaft in the crankshaft case 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 crankshaft case are respectively and fixedly connected with a membrane head, membrane head oil cylinders are respectively in interference fit in the 2 membrane heads, and pistons are respectively in sliding fit in the membrane head oil cylinders; the 2 pistons are in a stepped shaft shape and respectively comprise 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, a plurality of dense annular sealing grooves are processed at the outer head part, and sealing materials are placed in the annular sealing grooves to realize sealing with the membrane head oil cylinder; the cavities among the outer neck, the inner neck and the membrane head oil cylinder are filled with ionic liquid, and the inner end part is fixedly connected with a cross head.
Furthermore, the inner ends of the 2 membrane heads are fixedly connected with 2 piston pressure plate flanges through screws respectively, an oil seal is installed in an inner hole of each piston baffle flange, and the inner lip edges of the 2 oil seals are abutted to the outer circular surface of the inner head of each piston respectively.
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 ends of the 2 membrane head oil cylinders are plugged by the gas inlet and outlet valve flanges fixedly connected with the respective membrane heads.
Furthermore, the inner end of the ionic liquid pressure relief pipeline penetrates through each membrane head and each membrane head oil cylinder in a sealing mode to be communicated with a cavity between the outer neck and the inner neck of each piston and the membrane head oil cylinder, and the outer end of the ionic liquid pressure relief pipeline is connected with a liquid supply system.
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 only adopts one membrane head, thereby reducing the cost.
2. The invention has simple structure 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.
4. By adopting two-stage compression, the compression ratio of the hydrogen can be increased, and the compression pressure of the compressed hydrogen is greatly improved.
Drawings
Fig. 1 is a schematic structural view 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 simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular 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 a specific case to those of ordinary skill 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 horizontal two-stage compression double-piston ionic liquid crankshaft compressor comprises a base body 4, 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 mode, a belt pulley 2 is fixedly connected to a crank shaft 1 at one end outside the crank case 3, 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 mode, 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 membrane heads 13,2, membrane heads 13 are respectively in interference fit with membrane head oil cylinders 11, and pistons 10 are respectively in sliding fit with the membrane head oil cylinders 11; the 2 pistons 10 are in a stepped shaft shape and respectively comprise 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 at the outer head part 10-6, and sealing materials are placed in the annular sealing grooves to realize sealing with the membrane head oil cylinder 11; 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 ends of 2 membrane heads 13 are fixedly connected with 2 piston pressure plate flanges 8 through screws respectively, and the inner lip edge of an inner head 10-2 of each piston 10 is abutted to the inner lip edge of an oil seal 9,2 oil seal 9 mounted on the inner hole of each piston baffle flange 8.
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 ends of the 2 membrane head oil cylinders 11 are sealed by air inlet and outlet valve flanges 12 fixedly connected with respective membrane heads 13.
The inner end of the ionic liquid pressure relief pipeline 14 penetrates through each membrane head 13 and the membrane head oil cylinder 11 in a sealing mode and is communicated with a cavity between the outer neck 10-5 and the inner neck 10-3 of each 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 working process is as follows: the left side is the first level, the right side is the second level, the structures and the working processes of the first level and the second level are the same, the first level assembly description is carried out below, the second level is similar, and the description is omitted. 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. 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 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 to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. A horizontal double-stage compression double-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 onto the crank shaft (1) at one end outside the crank case (3), the horizontal double-stage compression double-piston ionic liquid crankshaft compressor is characterized in that the crank neck of the crank shaft (1) in the crank case (3) is connected with the big 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) in a switching way, the left side and the right side of the crank case (3) are respectively fixedly connected with a membrane head (13), the membrane head oil cylinders (11) are respectively in interference fit in the 2 membrane heads (13), and pistons (10) are respectively in sliding fit in the membrane head oil cylinders (11); the 2 pistons (10) are in a stepped shaft shape and respectively comprise 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 sealing materials are placed in the annular sealing grooves to realize sealing with the membrane head oil cylinder (11); 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 two-stage compression dual-piston ionic liquid crankshaft compressor as claimed in claim 1, wherein the inner ends of 2 membrane heads (13) are fixedly connected with 2 piston pressing plate flanges (8) through screws respectively, an oil seal (9) is installed in an inner hole of each piston baffle flange (8), and inner lip edges of the 2 oil seals (9) are abutted to outer circular surfaces of inner heads (10-2) of the 2 pistons (10) respectively.
3. The horizontal two-stage compression dual-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) abuts against a shaft shoulder of the inner end portion (10-1) and is fixedly connected with the crosshead head (7) through a screw.
4. The horizontal two-stage compression dual-piston ionic liquid crankshaft compressor as claimed in claim 1, wherein the outer ends of 2 membrane head oil cylinders (11) are blocked by gas inlet and outlet valve flanges (12) fixedly connected with respective membrane heads (13).
5. The horizontal two-stage compression dual-piston ionic liquid crankshaft compressor as claimed in claim 1, wherein the inner end of the ionic liquid pressure release pipeline (14) penetrates through each membrane head (13) and the membrane head cylinder (11) in a sealing manner to communicate with the cavity between the outer neck (10-5) and the inner neck (10-3) of the respective piston (10) and the membrane head cylinder (11), and the outer end of the ionic liquid pressure release pipeline (14) is connected with the liquid supply system (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211374852.8A CN115653867A (en) | 2022-11-04 | 2022-11-04 | Horizontal two-stage compression dual-piston ionic liquid crankshaft compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211374852.8A CN115653867A (en) | 2022-11-04 | 2022-11-04 | Horizontal two-stage compression dual-piston ionic liquid crankshaft compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115653867A true CN115653867A (en) | 2023-01-31 |
Family
ID=84994394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211374852.8A Withdrawn CN115653867A (en) | 2022-11-04 | 2022-11-04 | Horizontal two-stage compression dual-piston ionic liquid crankshaft compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115653867A (en) |
-
2022
- 2022-11-04 CN CN202211374852.8A patent/CN115653867A/en not_active Withdrawn
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication | ||
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Application publication date: 20230131 |