CN114198288A - Multistage supercharging zero-clearance type ionic liquid compressor - Google Patents
Multistage supercharging zero-clearance type ionic liquid compressor Download PDFInfo
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- CN114198288A CN114198288A CN202111471437.XA CN202111471437A CN114198288A CN 114198288 A CN114198288 A CN 114198288A CN 202111471437 A CN202111471437 A CN 202111471437A CN 114198288 A CN114198288 A CN 114198288A
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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 type ionic liquid compressor, which belongs to the technical field of ionic liquid compressors and 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 guide pipe, the second gas compression mechanism is connected with the oil supply mechanism through a guide pipe, and the first gas compression mechanism is connected with the gas-liquid separation mechanism through a guide pipe, so that the multistage supercharging zero-clearance type ionic liquid compressor has the beneficial effects that: utilize the second grade compression to replace traditional five-stage compression, simplified the device, reduced the processing degree of difficulty, reduced manufacturing and use cost, be favorable to the construction and the development of hydrogen station, first cavity, second cavity and the third cavity in the first gas compression jar reduce gradually, and fourth cavity, fifth cavity and the sixth cavity reduce gradually in the second gas compression jar, can produce bigger pressure when compressing hydrogen.
Description
Technical Field
The invention relates to the technical field of ionic liquid compressors, in particular to a multistage supercharging zero-clearance type ionic liquid compressor.
Background
The hydrogen filling station is similar to the existing mature compressed natural gas filling station, and mainly comprises a gas discharging column, a compressor, a hydrogen storage tank, a hydrogen filling 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 devices of the hydrogen filling 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 and the crank connecting rod to realize hydrogen compression, has the advantages of mature technology, simple system structure and the like, but can pollute hydrogen in the reciprocating motion process of the piston, so that the operation and maintenance cost is higher; the diaphragm compressor does not need lubricating oil for lubrication, so that high-pressure hydrogen meeting the purity requirement of a fuel cell vehicle can be obtained; however, the diaphragm compressor needs to be cooled by air cooling or liquid cooling in the compression process, the cooling system is complex, and the technical difficulty is higher than that of the conventional compressor; furthermore, the volume flow of the diaphragm compressor is low and the quality of the diaphragm required by the diaphragm compressor for hydrogen compression is high, which leads to an increase in the production costs.
The existing ion compressor adopts 5-stage compression, has a complex structure, is difficult to process and expensive in manufacturing cost, and limits the construction and development of a hydrogenation station; and the hydraulic cylinder is all round tubular, and the pressure that provides is limited, and the piston must stretch out and draw back longer distance, just can reach required pressure.
Disclosure of Invention
The invention is provided in view of the problems existing in the prior multistage supercharging zero clearance type ionic liquid compressor.
Therefore, the invention aims to provide a multistage supercharging zero-clearance ionic liquid compressor which is simple in structure by arranging a first gas compression mechanism and a 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 are gradually decreased 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, the manufacturing cost is high, and the construction and development of a hydrogenation station are limited are solved; and the hydraulic cylinders are all in a round tube shape, the provided pressure is limited, and the piston needs to stretch and contract for a longer distance to achieve the required pressure.
To solve the above technical problem, according to an aspect of the present invention, the present invention provides the following technical solutions:
the multistage supercharging zero-clearance 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 guide pipe, the second gas compression mechanism is connected with the oil supply mechanism through a guide pipe, the first gas compression mechanism is connected with the gas-liquid separation mechanism through a guide pipe, the second gas compression mechanism is connected with the gas-liquid separation mechanism through a guide pipe, a first reversing assembly is arranged between the first gas compression mechanism and the oil supply mechanism, and a second reversing assembly 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 connected with a first T-shaped piston in a sliding manner, 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 the inner cavity of the first hydraulic cylinder, a first hydraulic cylinder lower oil cavity is arranged at one end of the bottom of the first hydraulic cylinder, a first hydraulic cylinder upper oil cavity is arranged at one end of the upper part of the first hydraulic cylinder, a first support seat is installed at the top end of the first hydraulic cylinder, a first gas compression cylinder is arranged above the first support 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 installed on the first support seat, a first pressure balance cleaning valve is installed at one end of the first pressure balance cleaning pipeline, and a first flange is arranged in the inner cavity of the first support seat, the top end of the first flange is fixedly connected with a second T-shaped piston, a first ionic liquid is arranged in a first hydrogen compression cavity, an air inlet of the first gas compression cylinder is connected with a first air inlet valve through a guide pipe, an air outlet of the first gas compression cylinder is connected with a first exhaust valve through a guide pipe, a first ionic liquid one-way injection valve is installed at the left end of the top of the first gas compression cylinder, and a first pressure sensor is installed at the right end of the top of the first gas compression cylinder;
the first hydrogen compression cavity consists 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 reduced in sequence;
the second gas compression mechanism comprises a second hydraulic cylinder, the inner wall of the second hydraulic cylinder is connected with a fourth T-shaped piston in a sliding manner, 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 the inner cavity of the second hydraulic cylinder, a lower oil cavity of the second hydraulic cylinder is arranged at one end of the bottom of the second hydraulic cylinder, an upper oil cavity of the second hydraulic cylinder is arranged at one end of the upper part of the second hydraulic cylinder, a second supporting seat is installed at the top end of the second hydraulic cylinder, 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 installed on the second supporting seat, a second pressure balance cleaning valve is installed at one end of the second pressure balance cleaning pipeline, and a second flange is arranged in the inner cavity of the second supporting seat, the top end of the second flange is fixedly connected with a third T-shaped piston, a second hydrogen compression cavity is internally provided with second ionic liquid, an air inlet of the second gas compression cylinder is connected with a third air inlet valve through a conduit, an air outlet of the second gas compression cylinder is connected with a third exhaust valve through a conduit, the left end of the top of the second gas compression cylinder is provided with a second ionic liquid one-way injection valve, and the right end of the top of the second gas compression cylinder is provided with a third pressure sensor;
the second hydrogen compression cavity comprises 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 reduced in sequence.
As a preferable scheme of the multistage supercharging zero clearance type ionic liquid compressor, the multistage supercharging zero clearance type ionic liquid compressor 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, a 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, and the hydraulic filter and the hydraulic pump are connected through a second hydraulic pipeline.
As a preferable scheme of the multistage supercharging zero clearance type ionic liquid compressor, the multistage supercharging zero clearance type ionic liquid compressor comprises the following steps: the gas-liquid separation mechanism comprises a gas-liquid separation device, a liquid filter is installed on the gas-liquid separation device, a second pressure sensor is installed on the right side of the top end of the gas-liquid separation device, an ionic liquid level sensor is installed 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 exhaust valve are installed 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, ionic liquid for supplying is arranged in the ionic liquid collector, and the second exhaust valve is connected with a high-pressure hydrogen user end through a second exhaust pipeline.
As a preferable scheme of the multistage supercharging zero clearance type ionic liquid compressor, the multistage supercharging zero clearance type ionic liquid compressor comprises the following steps: the first air inlet valve is connected with a low-pressure hydrogen tank through a first air inlet pipeline, and the first exhaust valve is connected with the second air inlet valve through a first exhaust pipeline.
As a preferable scheme of the multistage supercharging zero clearance type ionic liquid compressor, the multistage supercharging zero clearance type ionic liquid compressor comprises the following steps: and the third air inlet valve is connected with the low-pressure hydrogen tank through a thirteenth air inlet pipeline, and the third exhaust 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 multistage supercharging zero clearance type ionic liquid compressor comprises the following steps: the 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 multistage supercharging zero clearance type ionic liquid compressor comprises the following steps: the oil cavity on 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 multistage supercharging zero clearance type ionic liquid compressor 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.
As a preferable scheme of the multistage supercharging zero clearance type ionic liquid compressor, the multistage supercharging zero clearance type ionic liquid compressor comprises the following steps: one end of the fourth hydraulic pipeline is fixedly connected with the first reversing assembly, and one end of the eighth hydraulic pipeline is fixedly connected with the first reversing assembly.
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, the device is simplified, the processing difficulty is reduced, the manufacturing and using cost is reduced, and the construction and development of a hydrogenation station are facilitated;
2. through the first gas compression cylinder and the second gas compression cylinder, 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, so that higher pressure can be generated when hydrogen is compressed, and the movement stroke of the piston is short;
3. because 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 prevention is facilitated.
Drawings
FIG. 1 is a schematic structural view provided by the present invention;
FIG. 2 is an enlarged schematic view of the second gas compression mechanism of FIG. 1 in accordance with the present invention;
FIG. 3 is an enlarged schematic view of the first gas compression mechanism of FIG. 1 in accordance with the present invention;
FIG. 4 is an enlarged schematic view of the gas-liquid separation mechanism of FIG. 1 provided in accordance with the present invention.
In the figure: the hydraulic control system comprises a hydraulic oil tank 1, a first hydraulic pipeline 2, a hydraulic filter 3, a second hydraulic pipeline 4, a hydraulic pump 5, a servo motor 6, a third hydraulic pipeline 7, a fourth hydraulic pipeline 8, an overflow valve 9, a fifth hydraulic pipeline 10, a first reversing assembly 11, a sixth hydraulic pipeline 12, a first hydraulic cylinder 13, a first T-shaped piston 14, a first hydraulic cylinder lower oil cavity 15, a first hydraulic cylinder upper oil cavity 16, first hydraulic oil 17, a first displacement sensor 18, a first non-contact magnetic ring 19, a seventh hydraulic pipeline 20, an eighth hydraulic pipeline 21, a hydraulic cooler 22, a ninth hydraulic pipeline 23, a first support seat 24, a first gas compression cylinder 25, a second T-shaped piston 26, a first flange 27, a first isolation cavity 28, a first pressure balance cleaning pipeline 29, a first pressure balance cleaning valve 30, a first ionic liquid 31, a first hydrogen compression cavity 32, a first cavity 321, a first flange 27, a first isolation cavity 28, a first pressure balance cleaning valve 30, a first ionic liquid 31, a second hydraulic pressure balance cleaning valve 32, a second hydraulic pump, a third hydraulic pump, a fourth hydraulic pump, a sixth hydraulic pump, a fourth hydraulic, A second cavity 322, a third cavity 323, a first ionic liquid one-way injection valve 33, a first air inlet valve 34, a low-pressure hydrogen tank 35, a first air inlet pipeline 36, a first pressure sensor 37, a first exhaust valve 38, a first exhaust pipeline 39, a second air inlet valve 40, a gas-liquid separation device 41, a liquid filter 42, high-pressure hydrogen 43, a second exhaust valve 44, a second exhaust pipeline 45, a high-pressure hydrogen user end 46, a second pressure sensor 47, filtered ionic liquid 48, an ionic liquid level sensor 49, a first ionic liquid pipeline 50, a stop valve 51, a second ionic liquid pipeline 52, an ionic liquid collector 53, ionic liquid for replenishment 54, a tenth hydraulic pipeline 55, a second reversing component 56, an eleventh hydraulic pipeline 57, a second hydraulic cylinder upper oil cavity 58, a second support seat 59, a second flange 60, a second isolation cavity 61, a third T-shaped piston 62, The second gas compression cylinder 63, the third pressure sensor 64, the third exhaust valve 65, the third air inlet valve 66, the second ionic liquid one-way injection valve 67, the second hydrogen compression chamber 68, the fourth cavity 681, the fifth cavity 682, the sixth cavity 683, the second ionic liquid 69, the second pressure balance cleaning pipeline 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 pipeline 78, the thirteenth hydraulic pipeline 79, the thirteenth air inlet pipeline 80 and the fourteenth hydraulic pipeline 81.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The invention provides a multistage supercharging zero-clearance ionic liquid compressor, which refers to fig. 1-4 and 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 guide pipe, the second gas compression mechanism is connected with the oil supply mechanism through a guide pipe, the first gas compression mechanism is connected with the gas-liquid separation mechanism through a guide pipe, the second gas compression mechanism is connected with the gas-liquid separation mechanism through a guide pipe, a first reversing assembly 11 is arranged between the first gas compression mechanism and the oil supply mechanism, and a second reversing assembly 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 manner, 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, 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 support seat 24, a first gas compression cylinder 25 is arranged above the first support 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 support 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 support seat 24, the top end of the first flange 27 is fixedly connected with the second T-shaped piston 26, a first ionic liquid 31 is arranged in a first hydrogen compression cavity 32, the air inlet of the first gas compression cylinder 25 is connected with a first air inlet valve 34 through a guide pipe, the air outlet of the first gas compression cylinder 25 is connected with a first exhaust valve 38 through a guide pipe, the left end of the top of the first gas compression cylinder 25 is provided with a first ionic liquid one-way injection valve 33, the right end of the top of the first gas compression cylinder 25 is provided with a first pressure sensor 37, the first air inlet valve 34 is connected with a low-pressure hydrogen tank 35 through a first air inlet pipeline 36, the first exhaust valve 38 is connected with a second air inlet valve 40 through a first exhaust pipeline 39, the upper oil cavity 16 of the first hydraulic cylinder is connected with the first reversing assembly 11 through a seventh hydraulic pipeline 20, the bottom end of the first hydraulic cylinder 13 is connected with the first reversing assembly 11 through a sixth hydraulic pipeline 12, one end of the fourth hydraulic pipeline 8 is fixedly connected with the first reversing assembly 11, one end of the eighth hydraulic pipeline 21 is fixedly connected with the first reversing assembly 11;
the first hydrogen compressing chamber 32 is composed of a first chamber 321, a second chamber 322 and a third chamber 323, and the diameters of the first chamber 321, the second chamber 322 and the third chamber 323 are reduced in sequence;
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, 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 gas 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, a second flange 60 is arranged in the inner cavity of the second supporting seat 59, 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, the air inlet of a second gas compression cylinder 63 is connected with a third air inlet valve 66 through a conduit, the air outlet of the second gas compression cylinder 63 is connected with a third exhaust valve 65 through a conduit, the left end of the top of the second gas compression cylinder 63 is provided with a second ionic liquid one-way injection valve 67, the right end of the top of the second gas compression cylinder 63 is provided with a third pressure sensor 64, the third air inlet valve 66 is connected with a low-pressure hydrogen tank 35 through a thirteenth air inlet pipeline 80, the third exhaust valve 65 is connected with a second air inlet valve 40 through a fourteenth hydraulic pipeline 81, the second reversing assembly 56 is connected with the hydraulic pump 5 through a thirteenth hydraulic pipeline 79, and the second reversing assembly 56 is connected with the ninth hydraulic pipeline 23 through a tenth hydraulic pipeline 55;
the second hydrogen compression cavity 68 is composed of a fourth cavity 681, a fifth cavity 682 and a sixth cavity 683, and the diameters of the fourth cavity 681, the fifth cavity 682 and the sixth cavity 683 are 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, a hydraulic pump 5 is connected with one end of the fourth hydraulic pipeline 8, 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 and the hydraulic pump 5 are connected 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 exhaust valve 44 are arranged at 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, ionic liquid 54 for supply is arranged in the ionic liquid collector 53, the second exhaust valve 44 is connected with a high-pressure hydrogen user end 46 through a second exhaust pipeline 45, and an upper oil cavity 58 of a second hydraulic cylinder is connected with a second reversing assembly 56 through an eleventh hydraulic pipeline 57, the bottom end of the second hydraulic cylinder 72 is connected to the second reversing component 56 through a twelfth hydraulic conduit 78.
The working principle of the compressor in the air suction process is as follows:
the servo motor 6 is started to drive the hydraulic pump 5 to start working, so that the hydraulic system starts working, and the hydraulic system can be stabilized under the action of the overflow valve 9; when hydraulic oil enters the second hydraulic cylinder upper oil chamber 58 through the thirteenth hydraulic pipeline 79 and the eleventh hydraulic pipeline 57, the fourth T-shaped piston 73 moves downward under the action of the second hydraulic oil 76, and further drives the third T-shaped piston 62 to move downward, and when the pressure in the second hydrogen compression chamber 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 chamber 32 in the hydrogen compression cylinder; when the pressure in the first hydrogen compression chamber 32 is lower than the back pressure of the first air intake valve 34, the first air intake valve 34 is opened, and the low-pressure hydrogen tank 35 can be sucked into the first hydrogen compression chamber 32 inside the hydrogen compression cylinder.
The working principle of the compression and exhaust process of the compressor is as follows:
when hydraulic oil enters the second hydraulic cylinder lower oil chamber 74 through the thirteenth hydraulic pipeline 79 and the twelfth hydraulic pipeline 78, the fourth T-shaped piston 73 moves upward under the action of the second hydraulic oil 76, so as to drive the third T-shaped piston 62 to move upward and push the second ionic liquid 69 to move upward, the low-pressure hydrogen tank 35 inside the second hydrogen compression chamber 68 starts to be compressed, and the chambers of the fourth chamber 681, the fifth chamber 682 and the sixth chamber 683 gradually become smaller, so that greater pressure is generated on hydrogen; when the pressure in the second hydrogen compression cavity 68 is higher than the back pressure of the third exhaust valve 65, the third exhaust valve 65 is opened, the compressed high-pressure hydrogen 43 passes through the third exhaust valve 65, the fourteenth hydraulic pipeline 81 and the second intake valve 40 and then enters the gas-liquid separation device 41, and after the action of 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 client 46; when hydraulic oil enters the first hydraulic cylinder lower oil chamber 15 through the fourth hydraulic pipeline 8 and the sixth hydraulic pipeline 12, the first T-shaped piston 14 moves upward under the action of the hydraulic oil 17, so as to drive the second T-shaped piston 26 to move upward and push the ionic liquid 31 to move upward, and start to compress the low-pressure hydrogen 35 in the first hydrogen compression chamber 32, and the chambers of the first chamber 321, the second chamber 322 and the third chamber 323 gradually become smaller, so that greater 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 then the compressed high-pressure hydrogen 43 passes through the first exhaust valve 38, the first exhaust pipe 39 and the second intake valve 40 and enters the gas-liquid separation device 41, and after 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 end 46.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the disclosed embodiments of the invention may be used in any combination, provided that no structural conflict exists, and the combinations are not exhaustively described in this specification merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (9)
1. Multistage pressure boost zero clearance formula ionic liquid compressor, including fuel 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 guide pipe, the second gas compression mechanism is connected with the oil supply mechanism through a guide pipe, the first gas compression mechanism is connected with the gas-liquid separation mechanism through a guide pipe, the second gas compression mechanism is connected with the gas-liquid separation mechanism through a guide pipe, a first reversing assembly (11) is arranged between the first gas compression mechanism and the oil supply mechanism, and a second reversing assembly (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 mode, 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), 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 hydraulic cylinder upper oil cavity (16) is arranged at one end of the upper portion of the first hydraulic cylinder (13), a first supporting seat (24) is installed 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 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 the first hydrogen compression cavity (32), the air inlet of the first gas compression cylinder (25) is connected with a first air inlet valve (34) through a guide pipe, the air outlet of the first air compression cylinder (25) is connected with a first exhaust 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 mounted at the right end of the top of the first air compression cylinder (25);
the first hydrogen compression cavity (32) is composed of 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 reduced in sequence;
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 mode, 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), 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 hydraulic cylinder upper oil cavity (58) is arranged at one end of the upper portion of the second hydraulic cylinder (72), a second supporting seat (59) is installed at the top end of the second hydraulic cylinder (72), a second gas compression cylinder (63) is arranged above the second supporting seat (59), and 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), a second flange (60) is arranged in the inner cavity of the second supporting seat (59), 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 the second hydrogen compression cavity (68), the air inlet of the second gas compression cylinder (63) is connected with a third air inlet valve (66) through a conduit, the air outlet of the second air compression cylinder (63) is connected with a third exhaust 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 second hydrogen compression cavity (68) is composed of a fourth cavity (681), a fifth cavity (682) and a sixth cavity (683), and the diameters of the fourth cavity (681), the fifth cavity (682) and the sixth cavity (683) are reduced in sequence.
2. The multi-stage supercharging zero clearance ionic liquid compressor according to claim 1, 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) and the hydraulic pump (5) are connected through a second hydraulic pipeline (4).
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 exhaust valve (44) are installed at 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), and the stop valve (51) is connected with an ionic liquid collector (53) through a second ionic liquid pipeline (52), and ionic liquid (54) for replenishment is arranged in the ionic liquid collector (53), and the second exhaust valve (44) is connected with a high-pressure hydrogen user end (46) through a second exhaust pipeline (45).
4. The multi-stage supercharging zero-clearance ionic liquid compressor according to claim 3, wherein the first intake valve (34) is connected to a low-pressure hydrogen tank (35) through a first intake conduit (36), and the first exhaust valve (38) is connected to a second intake valve (40) through a first exhaust conduit (39).
5. The multistage supercharging zero-clearance ionic liquid compressor according to claim 4, wherein the third intake valve (66) is connected to the low-pressure hydrogen tank (35) through a thirteenth intake pipe (80), and the third exhaust valve (65) is connected to the second intake valve (40) through a fourteenth hydraulic pipe (81).
6. The multi-stage supercharging zero clearance ionic liquid compressor according to claim 1, wherein the second hydraulic cylinder upper oil chamber (58) is connected with the second reversing assembly (56) through an eleventh hydraulic pipeline (57), and the bottom end of the second hydraulic cylinder (72) is connected with the second reversing assembly (56) through a twelfth hydraulic pipeline (78).
7. The multi-stage supercharging zero clearance ionic liquid compressor according to claim 1, wherein the first cylinder upper oil chamber (16) is connected with the first reversing assembly (11) through a seventh hydraulic pipeline (20), and the bottom end of the first cylinder (13) is connected with the first reversing assembly (11) through a sixth hydraulic pipeline (12).
8. The multi-stage supercharging zero-clearance ionic liquid compressor according to claim 2, wherein the second reversing assembly (56) is connected to the hydraulic pump (5) through a thirteenth hydraulic conduit (79), and the second reversing assembly (56) is connected to the ninth hydraulic conduit (23) through a tenth hydraulic conduit (55).
9. The multistage supercharging zero clearance ionic liquid compressor according to claim 2, wherein one end of the fourth hydraulic pipeline (8) is fixedly connected with the first reversing assembly (11), and one end of the eighth hydraulic pipeline (21) is fixedly connected with the first reversing assembly (11).
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| CN111365211A (en) * | 2020-03-06 | 2020-07-03 | 西安交通大学 | Swing reversing two-stage supercharging zero-clearance ionic liquid compressor |
| CN112983780A (en) * | 2021-02-09 | 2021-06-18 | 西安交通大学 | Oil supplementing pump oil supplementing liquid piston type compressor with high-speed switch valve |
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2021
- 2021-12-04 CN CN202111471437.XA patent/CN114198288B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5771693A (en) * | 1992-05-29 | 1998-06-30 | National Power Plc | Gas compressor |
| CN104214071A (en) * | 2014-09-09 | 2014-12-17 | 武汉齐达康环保科技有限公司 | Reciprocating plunger type gas compressor and method |
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