CN114198288B - Multistage supercharging zero clearance type ionic liquid compressor - Google Patents
Multistage supercharging zero clearance type ionic liquid compressor Download PDFInfo
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- CN114198288B CN114198288B CN202111471437.XA CN202111471437A CN114198288B CN 114198288 B CN114198288 B CN 114198288B CN 202111471437 A CN202111471437 A CN 202111471437A CN 114198288 B CN114198288 B CN 114198288B
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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
- F04B41/00—Pumping installations or systems specially adapted for elastic fluids
- F04B41/06—Combinations of two or more pumps
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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
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
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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
- F04B23/00—Pumping installations or systems
- F04B23/02—Pumping installations or systems having reservoirs
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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
- F04B23/00—Pumping installations or systems
- F04B23/04—Combinations of two or more pumps
- F04B23/06—Combinations of two or more pumps the pumps being all of reciprocating positive-displacement type
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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
- 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
- F04B35/008—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 a fluid transmission link
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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
- F04B39/0005—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
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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
- F04B39/0005—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
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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
- F04B39/122—Cylinder block
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Abstract
The invention discloses a multistage supercharging zero-clearance ionic liquid compressor, which belongs to the technical field of ionic liquid compressors, and particularly relates to a multistage supercharging zero-clearance ionic liquid compressor, comprising an oil supply mechanism, a first gas compression mechanism, a second gas compression mechanism and a gas-liquid separation mechanism, wherein the oil supply mechanism is connected with the first gas compression mechanism through a conduit, the second gas compression mechanism is connected with the oil supply mechanism through a conduit, and the first gas compression mechanism is connected with the gas-liquid separation mechanism through a conduit, and the invention has the beneficial effects that: the traditional five-stage compression is replaced by the two-stage compression, the device is simplified, the processing difficulty is reduced, the manufacturing and using cost is reduced, the construction and development of a hydrogenation station are facilitated, the first cavity, the second cavity and the third cavity in the first gas compression cylinder are gradually reduced, and the fourth cavity, the fifth cavity and the sixth cavity in the second gas compression cylinder are gradually reduced, so that larger pressure can be generated when hydrogen is compressed.
Description
Technical Field
The invention relates to the technical field of ionic liquid compressors, in particular to a multistage supercharging zero-clearance ionic liquid compressor.
Background
The hydrogenation station is similar to the existing mature compressed natural gas filling station and mainly comprises a gas unloading column, a compressor, a hydrogen storage tank, a hydrogenation machine, a pipeline, a control system, a nitrogen purging device, a diffusing device, a safety monitoring device and the like, wherein the compressor is one of core equipment of the hydrogenation station; the existing compressors used in the hydrogenation station mainly comprise a reciprocating piston compressor, a diaphragm type compressor and an ionic liquid compressor; the reciprocating piston compressor mainly drives the piston to reciprocate through the crank connecting rod of the crank connecting rod to realize hydrogen compression, and has the advantages of mature technology, simple system structure and the like, but the hydrogen can be polluted in the reciprocating motion process of the piston, so that the operation and maintenance cost is higher; the diaphragm type compressor is not lubricated by lubricating oil, so that high-pressure hydrogen meeting the purity requirement of the fuel cell automobile can be obtained; however, the diaphragm compressor needs to be cooled by adopting an air cooling or liquid cooling mode in the compression process, the cooling system is more complex, and the technical difficulty is higher than that of the conventional compressor; in addition, the volume flow rate of the diaphragm compressor is low, and the diaphragm compressor for hydrogen compression has high quality requirements for the diaphragm, resulting in an increase in processing cost.
The existing ion compressor adopts 5-level compression, has a complex structure, is difficult to process and has high cost, so that the construction and development of a hydrogenation station are limited; and the hydraulic cylinders are all round tubes, the provided pressure is limited, and the piston needs to stretch out and draw back for a longer distance to reach the required pressure.
Disclosure of Invention
The invention is provided in view of the problems existing in the existing multistage supercharging zero-clearance type ionic liquid compressor.
Therefore, the invention aims to provide the multistage supercharging zero-clearance ionic liquid compressor, which is simple in structure by arranging the first gas compression mechanism and the second gas compression mechanism for two-stage compression; the inner cavities of the first hydraulic cylinder and the second hydraulic cylinder are arranged in a step shape, and the cavities gradually decrease along with the compression of the piston to provide larger pressure, so that the problems that the existing ion compressor adopts 5-stage compression, the structure is complex, the processing is difficult and the manufacturing cost is high are solved, and the construction and the development of a hydrogenation station are limited; the hydraulic cylinders are all round tubes, the provided pressure is limited, and the piston needs to stretch out and draw back for a longer distance to reach the required pressure.
In order to solve the technical problems, according to one aspect of the present invention, the following technical solutions are provided:
the multistage supercharging zero-clearance type ionic liquid compressor comprises an oil supply mechanism, a first gas compression mechanism, a second gas compression mechanism and a gas-liquid separation mechanism, wherein the oil supply mechanism is connected with the first gas compression mechanism through a conduit, the second gas compression mechanism is connected with the oil supply mechanism through a conduit, the first gas compression mechanism is connected with the gas-liquid separation mechanism through a conduit, the second gas compression mechanism is connected with the gas-liquid separation mechanism through a conduit, a first reversing component is arranged between the first gas compression mechanism and the oil supply mechanism, and a second reversing component is arranged between the second gas compression mechanism and the oil supply mechanism;
the first gas compression mechanism comprises a first hydraulic cylinder, the inner wall of the first hydraulic cylinder is slidably connected with a first T-shaped piston, a first non-contact magnetic ring is arranged on the first T-shaped piston, one end of the first T-shaped piston is provided with a first displacement sensor, first hydraulic oil is arranged in an inner cavity of the first hydraulic cylinder, one end of the bottom of the first hydraulic cylinder is provided with a first hydraulic cylinder lower oil cavity, one end of the upper part of the first hydraulic cylinder is provided with a first hydraulic cylinder upper oil cavity, the top end of the first hydraulic cylinder is provided with a first supporting seat, a first gas compression cylinder is arranged above the first supporting seat, a first hydrogen compression cavity and a first isolation cavity are arranged in the first gas compression cylinder, a first pressure balance cleaning pipeline is arranged on the first supporting seat, one end of the first pressure balance cleaning pipeline is provided with a first pressure balance cleaning valve, the inner cavity of the first supporting seat is provided with a first flange, the top end of the first flange is fixedly connected with a second T-shaped piston, the first hydrogen compression cavity is internally provided with a first ionic liquid, the first air inlet valve is connected with a first gas compression pipe through a first air inlet valve, the first gas compression pipe is connected with a first gas outlet through a first air inlet valve, and the top of the first gas compression pipe is connected with a left compression pipe;
the first hydrogen compression cavity is composed of a first cavity, a second cavity and a third cavity, and the diameters of the first cavity, the second cavity and the third cavity are sequentially reduced;
the second gas compression mechanism comprises a second hydraulic cylinder, the inner wall of the second hydraulic cylinder is in sliding connection with a fourth T-shaped piston, a second non-contact magnetic ring is arranged on the fourth T-shaped piston, one end of the fourth T-shaped piston is provided with a second displacement sensor, second hydraulic oil is arranged in an inner cavity of the second hydraulic cylinder, one end of the bottom of the second hydraulic cylinder is provided with a second hydraulic cylinder lower oil cavity, one end of the upper part of the second hydraulic cylinder is provided with a second hydraulic cylinder upper oil cavity, the top end of the second hydraulic cylinder is provided with a second supporting seat, a second gas compression cylinder is arranged above the second supporting seat, a second hydrogen compression cavity and a second isolation cavity are arranged in the second gas compression cylinder, a second pressure balance cleaning pipeline is arranged on the second supporting seat, one end of the second pressure balance cleaning pipeline is provided with a second pressure balance cleaning valve, the inner cavity of the second supporting seat is internally provided with a second flange, the top end of the second flange is fixedly connected with a third T-shaped piston, the second hydrogen compression cavity is internally provided with a second ionic liquid, the second gas compression cavity is connected with a third air inlet valve through a second air inlet valve, the second gas compression cylinder is connected with a right air inlet valve through a second air inlet pipe, and the top of the second gas compression cylinder is connected with a right-side compression duct;
the second hydrogen compression cavity is composed of a fourth cavity, a fifth cavity and a sixth cavity, and the diameters of the fourth cavity, the fifth cavity and the sixth cavity are sequentially reduced.
As a preferable scheme of the multistage supercharging zero clearance type ionic liquid compressor, the invention comprises the following steps: the oil supply mechanism comprises a hydraulic oil tank, the hydraulic oil tank is connected with a hydraulic filter through a first hydraulic pipeline, the hydraulic oil tank is connected with an overflow valve through a fifth hydraulic pipeline, the overflow valve is connected with a fourth hydraulic pipeline through a third hydraulic pipeline, one end of the fourth hydraulic pipeline is connected with a hydraulic pump, the rotating shaft of the hydraulic pump is fixedly connected with an output shaft of a servo motor, the hydraulic oil tank is connected with a hydraulic cooler through a ninth hydraulic pipeline, one end of the hydraulic cooler is fixedly connected with an eighth hydraulic pipeline, the hydraulic filter is connected with the hydraulic pump through a second hydraulic pipeline, one end of the fourth hydraulic pipeline is fixedly connected with a first reversing assembly, and one end of the eighth hydraulic pipeline is fixedly connected with the first reversing assembly.
As a preferable scheme of the multistage supercharging zero clearance type ionic liquid compressor, the invention comprises the following steps: the gas-liquid separation mechanism comprises a gas-liquid separation device, a liquid filter is arranged on the gas-liquid separation device, a second pressure sensor is arranged on the right side of the top end of the gas-liquid separation device, an ionic liquid level sensor is arranged on the right side of the bottom end of the gas-liquid separation device, filtered ionic liquid is arranged at the bottom of the gas-liquid separation device, high-pressure hydrogen is arranged in the gas-liquid separation device, a second air inlet valve and a second air outlet valve are arranged at the top end of the gas-liquid separation device, the bottom end of the gas-liquid separation device is connected with a stop valve through a first ionic liquid pipeline, the stop valve is connected with an ionic liquid collector through a second ionic liquid pipeline, and a supplementing ionic liquid is arranged in the ionic liquid collector, and the second air outlet valve is connected with a high-pressure hydrogen user end through a second air outlet pipeline.
As a preferable scheme of the multistage supercharging zero clearance type ionic liquid compressor, the invention comprises the following steps: the first air inlet valve is connected with the low-pressure hydrogen tank through a first air inlet pipeline, and the first air outlet valve is connected with the second air inlet valve through a first air outlet pipeline.
As a preferable scheme of the multistage supercharging zero clearance type ionic liquid compressor, the invention comprises the following steps: the third air inlet valve is connected with the low-pressure hydrogen tank through a thirteenth air inlet pipeline, and the third air outlet valve is connected with the second air inlet valve through a fourteenth hydraulic pipeline.
As a preferable scheme of the multistage supercharging zero clearance type ionic liquid compressor, the invention comprises the following steps: the upper oil cavity of the second hydraulic cylinder is connected with the second reversing assembly through an eleventh hydraulic pipeline, and the bottom end of the second hydraulic cylinder is connected with the second reversing assembly through a twelfth hydraulic pipeline.
As a preferable scheme of the multistage supercharging zero clearance type ionic liquid compressor, the invention comprises the following steps: the upper oil cavity of the first hydraulic cylinder is connected with the first reversing assembly through a seventh hydraulic pipeline, and the bottom end of the first hydraulic cylinder is connected with the first reversing assembly through a sixth hydraulic pipeline.
As a preferable scheme of the multistage supercharging zero clearance type ionic liquid compressor, the invention comprises the following steps: the second reversing assembly is connected with the hydraulic pump through a thirteenth hydraulic pipeline, and the second reversing assembly is connected with a ninth hydraulic pipeline through a tenth hydraulic pipeline.
Compared with the prior art:
1. by arranging the second gas compression mechanism and the first gas compression mechanism, the traditional five-stage compression is replaced by two-stage compression, so that the device is simplified, the processing difficulty is reduced, the manufacturing and using costs are reduced, and the construction and development of the hydrogenation station are facilitated;
2. the first cavity, the second cavity and the third cavity in the first gas compression cylinder are gradually reduced, the fourth cavity, the fifth cavity and the sixth cavity in the second gas compression cylinder are gradually reduced, larger pressure can be generated when hydrogen is compressed, and the movement stroke of the piston is short;
3. as the first cavity, the second cavity and the third cavity are gradually reduced, and the fourth cavity, the fifth cavity and the sixth cavity are gradually reduced, the wall thickness is thicker and thicker, and the explosion protection is facilitated.
Drawings
FIG. 1 is a schematic diagram of a structure provided by the present invention;
FIG. 2 is an enlarged schematic view of the second gas compression mechanism of FIG. 1 provided in accordance with the present invention;
FIG. 3 is an enlarged schematic view of the first gas compression mechanism of FIG. 1 provided in accordance with the present invention;
fig. 4 is an enlarged schematic view of the gas-liquid separation mechanism in fig. 1 according to the present invention.
In the figure: the hydraulic oil tank 1, the first hydraulic pipe 2, the hydraulic filter 3, the second hydraulic pipe 4, the hydraulic pump 5, the servo motor 6, the third hydraulic pipe 7, the fourth hydraulic pipe 8, the relief valve 9, the fifth hydraulic pipe 10, the first reversing assembly 11, the sixth hydraulic pipe 12, the first hydraulic cylinder 13, the first T-shaped piston 14, the first hydraulic cylinder lower oil chamber 15, the first hydraulic cylinder upper oil chamber 16, the first hydraulic oil 17, the first displacement sensor 18, the first noncontact magnetic ring 19, the seventh hydraulic pipe 20, the eighth hydraulic pipe 21, the hydraulic cooler 22, the ninth hydraulic pipe 23, the first support seat 24, the first gas compression cylinder 25, the second T-shaped piston 26, the first flange 27, the first isolation chamber 28, the first pressure balance cleaning pipe 29, the first pressure balance cleaning valve 30, the first ionic liquid 31, the first hydrogen compression chamber 32, the first cavity 321, the third hydraulic cylinder lower oil chamber second chamber 322, third chamber 323, first ionic liquid one-way injection valve 33, first intake valve 34, low pressure hydrogen tank 35, first intake conduit 36, first pressure sensor 37, first exhaust valve 38, first exhaust conduit 39, second intake valve 40, gas-liquid separator 41, liquid filter 42, high pressure hydrogen 43, second exhaust valve 44, second exhaust conduit 45, high pressure hydrogen user side 46, second pressure sensor 47, filtered ionic liquid 48, ionic liquid level sensor 49, first ionic liquid conduit 50, shut-off valve 51, second ionic liquid conduit 52, ionic liquid collector 53, make-up ionic liquid 54, tenth hydraulic conduit 55, second reversing assembly 56, eleventh hydraulic conduit 57, second cylinder upper oil chamber 58, second supporting seat 59, second flange 60, second isolation chamber 61, third T-shaped piston 62, the second gas compression cylinder 63, the third pressure sensor 64, the third exhaust valve 65, the third intake valve 66, the second ionic liquid one-way injection valve 67, the second hydrogen compression chamber 68, the fourth chamber 681, the fifth chamber 682, the sixth chamber 683, the second ionic liquid 69, the second pressure balance cleaning pipe 70, the second pressure balance cleaning valve 71, the second hydraulic cylinder 72, the fourth T-shaped piston 73, the second hydraulic cylinder lower oil chamber 74, the second non-contact magnetic ring 75, the second hydraulic oil 76, the second displacement sensor 77, the twelfth hydraulic pipe 78, the thirteenth hydraulic pipe 79, the thirteenth intake pipe 80, and the fourteenth hydraulic pipe 81.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
The invention provides a multistage supercharging zero-clearance type ionic liquid compressor, referring to fig. 1-4, which comprises an oil supply mechanism, a first gas compression mechanism, a second gas compression mechanism and a gas-liquid separation mechanism, wherein the oil supply mechanism is connected with the first gas compression mechanism through a conduit, the second gas compression mechanism is connected with the oil supply mechanism through a conduit, the first gas compression mechanism is connected with the gas-liquid separation mechanism through a conduit, the second gas compression mechanism is connected with the gas-liquid separation mechanism through a conduit, a first reversing component 11 is arranged between the first gas compression mechanism and the oil supply mechanism, and a second reversing component 56 is arranged between the second gas compression mechanism and the oil supply mechanism;
the first gas compression mechanism comprises a first hydraulic cylinder 13, the inner wall of the first hydraulic cylinder 13 is connected with a first T-shaped piston 14 in a sliding way, a first non-contact magnetic ring 19 is arranged on the first T-shaped piston 14, one end of the first T-shaped piston 14 is provided with a first displacement sensor 18, a first hydraulic oil 17 is arranged in the inner cavity of the first hydraulic cylinder 13, one end of the bottom of the first hydraulic cylinder 13 is provided with a first hydraulic cylinder lower oil cavity 15, one end of the upper part of the first hydraulic cylinder 13 is provided with a first hydraulic cylinder upper oil cavity 16, the top end of the first hydraulic cylinder 13 is provided with a first supporting seat 24, a first gas compression cylinder 25 is arranged above the first supporting seat 24, a first hydrogen compression cavity 32 and a first isolation cavity 28 are arranged in the first gas compression cylinder 25, a first pressure balance cleaning pipeline 29 is arranged on the first supporting seat 24, one end of the first pressure balance cleaning pipeline 29 is provided with a first pressure balance cleaning valve 30, a first flange 27 is arranged in the inner cavity of the first supporting seat 24, the top end of the first flange 27 is fixedly connected with a second T-shaped piston 26, a first ionic liquid 31 is arranged in a first hydrogen compression cavity 32, an air inlet of a first gas compression cylinder 25 is connected with a first air inlet valve 34 through a conduit, an air outlet of the first gas compression cylinder 25 is connected with a first air outlet valve 38 through a conduit, a first ionic liquid one-way injection valve 33 is arranged at the left end of the top of the first gas compression cylinder 25, a first pressure sensor 37 is arranged at the right end of the top of the first gas compression cylinder 25, the first air inlet valve 34 is connected with a first air inlet pipe 36 through a first air inlet valve 35, the first air outlet valve 38 is connected with a second air inlet valve 40 through a first air outlet pipe 39, an upper oil cavity 16 of the first hydraulic cylinder is connected with a first reversing component 11 through a seventh hydraulic pipe 20, the bottom end of the first hydraulic cylinder 13 is connected with the first reversing component 11 through a sixth hydraulic pipe 12, one end of the fourth hydraulic pipeline 8 is fixedly connected with the first reversing component 11, and one end of the eighth hydraulic pipeline 21 is fixedly connected with the first reversing component 11;
the first hydrogen compression chamber 32 is composed of a first chamber 321, a second chamber 322, and a third chamber 323, the diameters of the first chamber 321, the second chamber 322, and the third chamber 323 being sequentially reduced;
the second gas compression mechanism comprises a second hydraulic cylinder 72, the inner wall of the second hydraulic cylinder 72 is connected with a fourth T-shaped piston 73 in a sliding way, a second non-contact magnetic ring 75 is arranged on the fourth T-shaped piston 73, one end of the fourth T-shaped piston 73 is provided with a second displacement sensor 77, second hydraulic oil 76 is arranged in the inner cavity of the second hydraulic cylinder 72, one end of the bottom of the second hydraulic cylinder 72 is provided with a second hydraulic cylinder lower oil cavity 74, one end of the upper part of the second hydraulic cylinder 72 is provided with a second hydraulic cylinder upper oil cavity 58, the top end of the second hydraulic cylinder 72 is provided with a second supporting seat 59, a second gas compression cylinder 63 is arranged above the second supporting seat 59, a second hydrogen compression cavity 68 and a second isolation cavity 61 are arranged in the second gas compression cylinder 63, a second pressure balance cleaning pipeline 70 is arranged on the second supporting seat 59, one end of the second pressure balance cleaning pipeline 70 is provided with a second pressure balance cleaning valve 71, the inner cavity of the second supporting seat 59 is provided with a second flange 60, the top end of the second flange 60 is fixedly connected with a third T-shaped piston 62, a second ionic liquid 69 is arranged in a second hydrogen compression cavity 68, an air inlet of a second gas compression cylinder 63 is connected with a third air inlet valve 66 through a conduit, an air outlet of the second gas compression cylinder 63 is connected with a third air outlet valve 65 through a conduit, a second ionic liquid one-way injection valve 67 is arranged at the left end of the top of the second gas compression cylinder 63, a third pressure sensor 64 is arranged at the right end of the top of the second gas compression cylinder 63, the third air inlet valve 66 is connected with a high-pressure hydrogen tank 35 through a thirteenth air inlet pipeline 80, the third air outlet valve 65 is connected with a second air inlet valve 40 through a fourteenth hydraulic pipeline 81, a second reversing component 56 is connected with a hydraulic pump 5 through a thirteenth hydraulic pipeline 79, and the second reversing component 56 is connected with a ninth hydraulic pipeline 23 through a tenth hydraulic pipeline 55;
the second hydrogen compression chamber 68 is constituted by a fourth chamber 681, a fifth chamber 682, and a sixth chamber 683, the diameters of the fourth chamber 681, the fifth chamber 682, and the sixth chamber 683 being sequentially reduced;
the oil supply mechanism comprises a hydraulic oil tank 1, the hydraulic oil tank 1 is connected with a hydraulic filter 3 through a first hydraulic pipeline 2, the hydraulic oil tank 1 is connected with an overflow valve 9 through a fifth hydraulic pipeline 10, the overflow valve 9 is connected with a fourth hydraulic pipeline 8 through a third hydraulic pipeline 7, one end of the fourth hydraulic pipeline 8 is connected with a hydraulic pump 5, a rotating shaft of the hydraulic pump 5 is fixedly connected with an output shaft of a servo motor 6, the hydraulic oil tank 1 is connected with a hydraulic cooler 22 through a ninth hydraulic pipeline 23, one end of the hydraulic cooler 22 is fixedly connected with an eighth hydraulic pipeline 21, and the hydraulic filter 3 is connected with the hydraulic pump 5 through a second hydraulic pipeline 4.
The gas-liquid separation mechanism comprises a gas-liquid separation device 41, a liquid filter 42 is arranged on the gas-liquid separation device 41, a second pressure sensor 47 is arranged on the right side of the top end of the gas-liquid separation device 41, an ionic liquid level sensor 49 is arranged on the right side of the bottom end of the gas-liquid separation device 41, filtered ionic liquid 48 is arranged at the bottom of the gas-liquid separation device 41, high-pressure hydrogen 43 is arranged in the gas-liquid separation device 41, a second air inlet valve 40 and a second air outlet valve 44 are arranged on the top end of the gas-liquid separation device 41, the bottom end of the gas-liquid separation device 41 is connected with a stop valve 51 through a first ionic liquid pipeline 50, the stop valve 51 is connected with an ionic liquid collector 53 through a second ionic liquid pipeline 52, a replenishing ionic liquid 54 is arranged in the ionic liquid collector 53, the second air outlet valve 44 is connected with a high-pressure hydrogen user end 46 through a second air outlet pipeline 45, an upper oil cavity 58 of the second hydraulic cylinder is connected with a second reversing component 56 through an eleventh hydraulic pipeline 57, and the bottom end of the second hydraulic cylinder 72 is connected with the second reversing component 56 through a twelfth hydraulic pipeline 78.
The working principle of the air suction process of the compressor is as follows:
the servo motor 6 is started to drive the hydraulic pump 5 to start working, so that the hydraulic system of the hydraulic system starts working, and the hydraulic system can be stabilized under the action of the overflow valve 9; the hydraulic oil enters the upper oil cavity 58 of the second hydraulic cylinder through the thirteenth hydraulic pipeline 79 and the eleventh hydraulic pipeline 57, the fourth T-shaped piston 73 moves downwards under the action of the second hydraulic oil 76, and then drives the third T-shaped piston 62 to move downwards, when the pressure in the second hydrogen compression cavity 68 is lower than the back pressure of the third air inlet valve 66, the third air inlet valve 66 is opened, and the low-pressure hydrogen tank 35 can be sucked into the first hydrogen compression cavity 32 inside the hydrogen compression cylinder; the hydraulic oil enters the first hydraulic cylinder upper oil cavity 16 after passing through the fourth hydraulic pipeline 8 and the seventh hydraulic pipeline 20, the first T-shaped piston 14 moves downwards under the action of the first hydraulic oil 17, and then drives the second T-shaped piston 26 to move downwards, when the pressure in the first hydrogen compression cavity 32 is lower than the back pressure of the first air inlet valve 34, the first air inlet valve 34 is opened, and then the low-pressure hydrogen tank 35 can be sucked into the first hydrogen compression cavity 32 inside the hydrogen compression cylinder.
The working principle of the compression and exhaust process of the compressor is as follows:
hydraulic oil enters the second hydraulic cylinder lower oil cavity 74 through the thirteenth hydraulic pipeline 79 and the twelfth hydraulic pipeline 78, the fourth T-shaped piston 73 moves upwards under the action of the second hydraulic oil 76, and then drives the third T-shaped piston 62 to move upwards, and pushes the second ionic liquid 69 to move upwards, so that the low-pressure hydrogen tank 35 in the second hydrogen compression cavity 68 starts to be compressed, and the cavities of the fourth cavity 681, the fifth cavity 682 and the sixth cavity 683 become smaller gradually, so that larger pressure is generated on hydrogen; when the pressure in the second hydrogen compression chamber 68 is higher than the back pressure of the third exhaust valve 65, the third exhaust valve 65 is opened, and then the compressed high-pressure hydrogen 43 passes through the third exhaust valve 65, the fourteenth hydraulic pipeline 81 and the second intake valve 40, enters the gas-liquid separation device 41, and after passing through the gas-liquid separation device 41, the high-pressure hydrogen 43 passes through the second exhaust valve 44 and the second exhaust pipeline 45 and then enters the high-pressure hydrogen user end 46; hydraulic oil enters the first hydraulic cylinder lower oil cavity 15 through the fourth hydraulic pipeline 8 and the sixth hydraulic pipeline 12, the first T-shaped piston 14 moves upwards under the action of the hydraulic oil 17, the second T-shaped piston 26 is driven to move upwards, the ionic liquid 31 is pushed to move upwards, low-pressure hydrogen 35 in the first hydrogen compression cavity 32 is compressed, and the cavities of the first cavity 321, the second cavity 322 and the third cavity 323 become smaller gradually, so that larger pressure is generated on the hydrogen; when the pressure in the first hydrogen compression chamber 32 is higher than the back pressure of the first exhaust valve 38, the first exhaust valve 38 is opened, and the compressed high-pressure hydrogen 43 passes through the first exhaust valve 38, the first exhaust pipe 39 and the second intake valve 40, enters the gas-liquid separation device 41, and after passing through the gas-liquid separation device 41, the high-pressure hydrogen 43 passes through the second exhaust valve 44 and the second exhaust pipe 45, and then enters the high-pressure hydrogen user terminal 46.
Although the invention has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (8)
1. The utility model provides a multistage pressure boost zero clearance formula ionic liquid compressor, includes oil feeding mechanism, first gas compression mechanism, second gas compression mechanism and gas-liquid separation mechanism, its characterized in that: the oil supply mechanism is connected with the first gas compression mechanism through a conduit, the second gas compression mechanism is connected with the oil supply mechanism through a conduit, the first gas compression mechanism is connected with the gas-liquid separation mechanism through a conduit, the second gas compression mechanism is connected with the gas-liquid separation mechanism through a conduit, a first reversing component (11) is arranged between the first gas compression mechanism and the oil supply mechanism, and a second reversing component (56) is arranged between the second gas compression mechanism and the oil supply mechanism;
the first gas compression mechanism comprises a first hydraulic cylinder (13), the inner wall of the first hydraulic cylinder (13) is slidably connected with a first T-shaped piston (14), a first non-contact magnetic ring (19) is arranged on the first T-shaped piston (14), a first displacement sensor (18) is arranged at one end of the first T-shaped piston (14), a first hydraulic oil (17) is arranged in an inner cavity of the first hydraulic cylinder (13), a first hydraulic cylinder lower oil cavity (15) is arranged at one end of the bottom of the first hydraulic cylinder (13), a first supporting seat (24) is arranged at the top end of the first hydraulic cylinder (13), a first gas compression cylinder (25) is arranged above the first supporting seat (24), a first hydrogen compression cavity (32) and a first isolation cavity (28) are arranged in the first gas compression cylinder (25), a first pressure balance cleaning pipeline (29) is arranged in an inner cavity of the first hydraulic cylinder (13), a first pressure balance pipeline (29) is arranged at one end of the bottom of the first hydraulic cylinder, a first pressure balance pipeline (29) is provided with a first flange (27), a first flange (27) is arranged in the first pressure balance pipeline (24), a first flange (27) is arranged in the first flange (27), an air inlet of the first air compression cylinder (25) is connected with a first air inlet valve (34) through a conduit, an air outlet of the first air compression cylinder (25) is connected with a first air outlet valve (38) through a conduit, a first ionic liquid one-way injection valve (33) is arranged at the left end of the top of the first air compression cylinder (25), and a first pressure sensor (37) is arranged at the right end of the top of the first air compression cylinder (25);
the first hydrogen compression cavity (32) is formed by a first cavity (321), a second cavity (322) and a third cavity (323), and the diameters of the first cavity (321), the second cavity (322) and the third cavity (323) are sequentially reduced;
the second gas compression mechanism comprises a second hydraulic cylinder (72), the inner wall of the second hydraulic cylinder (72) is slidably connected with a fourth T-shaped piston (73), a second non-contact magnetic ring (75) is arranged on the fourth T-shaped piston (73), a second displacement sensor (77) is arranged at one end of the fourth T-shaped piston (73), a second hydraulic oil (76) is arranged in an inner cavity of the second hydraulic cylinder (72), a second hydraulic cylinder lower oil cavity (74) is arranged at one end of the bottom of the second hydraulic cylinder (72), a second supporting seat (59) is arranged at the top end of the upper part of the second hydraulic cylinder (72), a second gas compression cylinder (63) is arranged above the second supporting seat (59), a second hydrogen compression cavity (68) and a second isolation cavity (61) are arranged in the second gas compression cylinder (63), a second pressure cleaning pipeline (70) is arranged in an inner cavity of the second hydraulic cylinder, a second pressure cleaning pipeline (70) is provided with a second balancing flange (60), a second flange (60) is arranged in the second pressure cleaning pipeline (70), a second flange (60) is arranged in the second pressure flange (60), an air inlet of the second gas compression cylinder (63) is connected with a third air inlet valve (66) through a conduit, an air outlet of the second gas compression cylinder (63) is connected with a third air outlet valve (65) through a conduit, a second ionic liquid one-way injection valve (67) is arranged at the left end of the top of the second gas compression cylinder (63), and a third pressure sensor (64) is arranged at the right end of the top of the second gas compression cylinder (63);
the second hydrogen compression chamber (68) is composed of a fourth chamber (681), a fifth chamber (682) and a sixth chamber (683), and the diameters of the fourth chamber (681), the fifth chamber (682) and the sixth chamber (683) are sequentially reduced.
2. The multistage supercharging zero clearance type ionic liquid compressor according to claim 1, wherein the oil supply mechanism comprises a hydraulic oil tank (1), the hydraulic oil tank (1) is connected with a hydraulic filter (3) through a first hydraulic pipeline (2), the hydraulic oil tank (1) is connected with an overflow valve (9) through a fifth hydraulic pipeline (10), the overflow valve (9) is connected with a fourth hydraulic pipeline (8) through a third hydraulic pipeline (7), one end of the fourth hydraulic pipeline (8) is connected with a hydraulic pump (5), a rotating shaft of the hydraulic pump (5) is fixedly connected with an output shaft of a servo motor (6), the hydraulic oil tank (1) is connected with a hydraulic cooler (22) through a ninth hydraulic pipeline (23), one end of the hydraulic cooler (22) is fixedly connected with an eighth hydraulic pipeline (21), the hydraulic filter (3) is connected with the hydraulic pump (5) through a second hydraulic pipeline (4), one end of the fourth hydraulic pipeline (8) is fixedly connected with a first reversing component (11), and one end of the eighth hydraulic pipeline (21) is fixedly connected with the first reversing component (11).
3. The multistage supercharging zero clearance type ionic liquid compressor according to claim 2, wherein the gas-liquid separation mechanism comprises a gas-liquid separation device (41), a liquid filter (42) is installed on the gas-liquid separation device (41), a second pressure sensor (47) is installed on the right side of the top end of the gas-liquid separation device (41), an ionic liquid level sensor (49) is installed on the right side of the bottom end of the gas-liquid separation device (41), filtered ionic liquid (48) is arranged at the bottom of the gas-liquid separation device (41), high-pressure hydrogen (43) is arranged in the gas-liquid separation device (41), a second air inlet valve (40) and a second air outlet valve (44) are installed on the top end of the gas-liquid separation device (41), a stop valve (51) is connected with an ionic liquid collector (53) through a second ionic liquid pipeline (52), an ion liquid (54) for supplying is arranged in the ionic liquid collector (53), and the second air outlet valve (44) is connected with the high-pressure hydrogen outlet valve (46) through the second ionic liquid pipeline (52).
4. A multistage supercharging zero clearance ionic liquid compressor according to claim 3, characterized in that the first inlet valve (34) is connected to a low pressure hydrogen tank (35) via a first inlet conduit (36) and the first outlet valve (38) is connected to a second inlet valve (40) via a first outlet conduit (39).
5. The multistage booster zero-clearance ionic liquid compressor of claim 4, wherein the third intake valve (66) is connected to the low-pressure hydrogen tank (35) via a thirteenth intake conduit (80), and the third exhaust valve (65) is connected to the second intake valve (40) via a fourteenth hydraulic conduit (81).
6. The multistage booster zero clearance ionic liquid compressor of claim 1, wherein the second hydraulic cylinder upper oil chamber (58) is connected to the second reversing assembly (56) through an eleventh hydraulic conduit (57), and the second hydraulic cylinder (72) bottom end is connected to the second reversing assembly (56) through a twelfth hydraulic conduit (78).
7. The multistage supercharging zero clearance type ionic liquid compressor according to claim 1, wherein the upper oil cavity (16) of the first hydraulic cylinder is connected with the first reversing assembly (11) through a seventh hydraulic pipeline (20), and the bottom end of the first hydraulic cylinder (13) is connected with the first reversing assembly (11) through a sixth hydraulic pipeline (12).
8. The multistage booster zero-clearance ionic liquid compressor of claim 2, wherein the second reversing assembly (56) is connected to the hydraulic pump (5) via a thirteenth hydraulic line (79), and the second reversing assembly (56) is connected to a ninth hydraulic line (23) via a tenth hydraulic line (55).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CZ293894A3 (en) * | 1992-05-29 | 1995-03-15 | Nat Power Plc | Gas compressor |
| CN104214071B (en) * | 2014-09-09 | 2017-02-15 | 武汉齐达康环保科技股份有限公司 | Reciprocating plunger type gas compressor and method |
| CN110296062A (en) * | 2019-08-09 | 2019-10-01 | 尹智 | A kind of electronic liquid driving piston type hydrogen compressor and compression method |
| CN111365211B (en) * | 2020-03-06 | 2021-04-27 | 西安交通大学 | Swing reversing two-stage supercharging zero-clearance ionic liquid compressor |
| CN112983780B (en) * | 2021-02-09 | 2022-01-11 | 西安交通大学 | Oil supplementing pump oil supplementing liquid piston type compressor with high-speed switch valve |
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