CN118462542B - Gas compression system for recycling ionic liquid - Google Patents
Gas compression system for recycling ionic liquid Download PDFInfo
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- CN118462542B CN118462542B CN202410773369.XA CN202410773369A CN118462542B CN 118462542 B CN118462542 B CN 118462542B CN 202410773369 A CN202410773369 A CN 202410773369A CN 118462542 B CN118462542 B CN 118462542B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
- F04B37/10—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
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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
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- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
一种回收离子液的气体压缩系统，属于压缩泵技术领域，包括多级串联的压缩泵，压缩泵的上端设有连通排气阀的排气口，每级压缩泵上均设有离子液回流机构，所述的离子液回流机构包括一压缩气体排出流道，压缩气体排出流道一端连通排气口，另一端连通排气阀，压缩气体排出流道具有一阻流内壁，阻流内壁与排气口相对设置，当含有离子液的压缩气体从排气口排出时，经过压缩气体排出流道内时会与阻流内壁发生碰撞，从而形成紊流，大部分的离子液会从压缩气体中分离并回流至压缩泵内部，实现离子液的回收，在最后一级压缩泵处通过气液分离机构再次对压缩气体中的离子液进行分离回收，最大限度减少离子液的损失。
A gas compression system for recovering ionic liquid belongs to the technical field of compression pumps, and comprises a multi-stage compression pump connected in series. An exhaust port connected to an exhaust valve is arranged at the upper end of the compression pump, and an ionic liquid reflux mechanism is arranged on each stage of the compression pump. The ionic liquid reflux mechanism comprises a compressed gas discharge flow channel, one end of the compressed gas discharge flow channel is connected to the exhaust port, and the other end is connected to the exhaust valve. The compressed gas discharge flow channel has a flow-blocking inner wall, and the flow-blocking inner wall is arranged opposite to the exhaust port. When the compressed gas containing the ionic liquid is discharged from the exhaust port, it will collide with the flow-blocking inner wall when passing through the compressed gas discharge flow channel, thereby forming turbulence. Most of the ionic liquid will be separated from the compressed gas and reflux into the compression pump, so as to realize the recovery of the ionic liquid. At the last stage of the compression pump, the ionic liquid in the compressed gas is separated and recovered again by the gas-liquid separation mechanism, so as to minimize the loss of the ionic liquid.
Description
Technical Field
A gas compression system for recycling ionic liquid belongs to the technical field of compression pumps.
Background
In compressing a gas such as hydrogen, a gas compression pump is required. The hydraulic cylinder pushes the piston of the compression cylinder to reciprocate, so that the compression of gas is realized, and when the compression is performed, if a larger gap exists between the piston and the cylinder body, the compressed gas is filled in the gap and cannot be discharged, so that the compression efficiency is seriously reduced.
When compressing hydrogen, in order to guarantee the efficiency of compressor pump, can inject the ionic liquid in the compression chamber of compressor pump, the ionic liquid can pack to in the clearance of piston and the pump body when compressed gas, improves the efficiency of compressor pump, when compressor pump work, always can have partial ionic liquid along with the hydrogen discharge after compressing, so need often to supply the ionic liquid in the compressor pump, increased work load to cause the loss of ionic liquid.
Disclosure of Invention
The invention aims to solve the technical problems of overcoming the defects of the prior art and providing the gas compression system for recycling the ionic liquid, which can enable the ionic liquid to flow back under the action of gravity and can avoid mutual interference between the flowing back ionic liquid and compressed gas.
The gas compression system for recycling the ionic liquid comprises multistage compression pumps connected in series, wherein an air inlet valve and an air outlet valve are arranged on each stage of compression pump, and an air outlet communicated with the air outlet valve is arranged at the upper end of each stage of compression pump;
The ion liquid reflux mechanism comprises a compressed gas exhaust flow passage, one end of the compressed gas exhaust flow passage is communicated with the exhaust port, the other end of the compressed gas exhaust flow passage is communicated with the exhaust valve, and the compressed gas exhaust flow passage is provided with a choked flow inner wall which is arranged opposite to the exhaust port.
Preferably, the gas-liquid separation mechanism is a cyclone separator, a spiral air guide structure is arranged in the cyclone separator, and the lower end of the cyclone separator is connected with an ion liquid recovery container or any stage of compression pump through a pipeline.
Preferably, a floating ball is arranged at the lower end of the cyclone separator.
Preferably, the compressed gas exhaust flow passage is bent, and the inner wall of one bent part is the choked flow inner wall.
Preferably, the included angle between the inner wall of the choke and the central line of the inlet end of the compressed gas discharge flow passage is an obtuse angle.
Preferably, the included angle of the bending part of the compressed gas discharge flow passage is 110-145 degrees.
Preferably, the axis of the outlet end of the compressed gas discharge flow passage is coaxial with the axis of the exhaust valve. The exhaust valve is also obliquely arranged, compressed gas exhausted through the exhaust valve still carries a small amount of ionic liquid, the ionic liquid flows downwards to the exhaust valve after being separated in a pipeline, the ionic liquid is stored on one side of the lower part of an inclined valve core of the exhaust valve after being refluxed, when the valve core of the exhaust valve is opened, the ionic liquid flows back to the compression pump along the lower side of the exhaust valve, the compressed gas is exhausted through the upper part of the exhaust valve, and the reflux of the ionic liquid does not influence the normal exhaust of the compressed gas.
Preferably, an end cover is arranged at the upper end of the compression pump, the air inlet valve and the air outlet valve are both arranged on the end cover, and the compressed gas outlet flow passage is also arranged on the inner side of the end cover.
Preferably, a temporary storage cavity is arranged on the inner side of the upper end of the compression pump, and the lower end of the compressed gas discharge flow passage is communicated with the temporary storage cavity.
Preferably, a groove is further formed in the inner side of the upper end of the compression pump, and the groove is formed in one side of the compressed gas discharge flow passage.
Preferably, the exhaust valve is arranged obliquely. A small amount of ionic liquid still can be discharged along with the compressed gas from the exhaust valve, a small amount of ionic liquid in a pipeline can flow back to the exhaust valve after being separated from the compressed gas, if the exhaust valve is vertically arranged, the ionic liquid on the upper side of the exhaust valve can influence the normal discharge of the compressed gas when the exhaust valve is opened, the exhaust valve is obliquely arranged, the ionic liquid can be stored at the lower part of the valve core of the exhaust valve after flowing back, when the valve core of the exhaust valve is opened, the ionic liquid flows back to the compression pump along the lower side of the exhaust valve, the compressed gas is discharged through the upper part of the exhaust valve, and the backflow of the ionic liquid can not influence the normal discharge of the compressed gas.
Preferably, the compression pump is provided with 4-5 stages in series.
Preferably, the middle part or the upper part of the ion liquid recovery device is connected with an air outlet pipe.
Preferably, the compression pump comprises a motor, a planetary transmission device, an oil cylinder, a transmission cylinder and a compression cylinder, wherein the motor is connected with the input end of the planetary transmission device, the output end of the planetary transmission device is connected with an oil cylinder piston rod, an oil cylinder piston connected with the oil cylinder piston rod is arranged in the oil cylinder, the transmission cylinder is arranged between the oil cylinder and the compression cylinder, the transmission piston is arranged in the transmission cylinder, the compression cylinder is internally provided with the compression piston, and the transmission piston is connected with the compression piston through a force transmission piston rod;
The transmission cylinder and the compression cylinder are vertically arranged, the piston rod of the oil cylinder is horizontally arranged, one end of the oil cylinder is connected to the lower end of the transmission cylinder, the other end of the oil cylinder is connected to the shell of the piston rod of the oil cylinder, and the oil cylinder is connected with a pressure regulating and oil supplementing mechanism.
Preferably, the pressure regulating and oil supplementing mechanism comprises a pressure regulating valve and an oil supplementing box, one end of the pressure regulating valve is communicated with the oil cylinder, the other end of the pressure regulating valve is connected with an inlet of the oil supplementing box, and an outlet of the oil supplementing box is communicated with the oil cylinder through a one-way valve;
the pressure regulating valve comprises a valve body, a valve core, a spring and a lifting rod, wherein the valve core is arranged in the valve body in a lifting mode, the lower end of the lifting rod is movably connected with the valve core, and the spring is arranged in the valve body and compresses the valve core downwards. The valve core can realize pressure regulation, high-pressure hydraulic oil can enter the oil supplementing tank through the valve core, and gas in the compression pump can be discharged through lifting the valve core by the lifting rod.
The planetary transmission device comprises a planetary gear assembly, a crank gear and a reciprocating swinging inner gear ring, wherein a last-stage planet carrier of the planetary gear assembly is rotationally arranged, the crank gear is rotationally arranged on the last-stage planet carrier, the reciprocating swinging inner gear ring is fixedly arranged in a shell, the crank gear is meshed with the inner side of the reciprocating swinging inner gear ring, the pitch circle diameter of the reciprocating swinging inner gear ring is twice that of the crank gear, an output shaft is eccentrically connected with the crank gear, a piston rod is rotationally connected with the output shaft, and the central shaft of the output shaft coincides with the pitch circle of the crank gear.
Compared with the prior art, the invention has the following beneficial effects:
According to the gas compression system, the ionic liquid reflux mechanism is arranged on each stage of compression pump, when compressed gas containing ionic liquid is discharged from the exhaust port, the compressed gas collides with the inner wall of a flow blocking wall when passing through the compressed gas discharge flow passage, so that turbulence is formed, most of ionic liquid can be separated from the compressed gas and refluxed to the inside of the compression pump under the action of gravity due to the large density of the ionic liquid, the ionic liquid is recovered, the ionic liquid in the compressed gas is separated and recovered again at the last stage of compression pump through the gas-liquid separation mechanism, and the loss of the ionic liquid is reduced to the greatest extent.
Drawings
Fig. 1 is a schematic diagram of a gas compression system for recovering ionic liquids.
Fig. 2 is a cross-sectional view of the end cap.
Fig. 3 is a partial enlarged view at a in fig. 2.
Figure 4 is a schematic view of an end cap attached to a cyclone.
Fig. 5 is a schematic structural view of the compression pump.
Fig. 6 is a schematic structural view of the planetary transmission.
Fig. 7 is a schematic diagram of a pressure regulating valve.
In the figure, 1, a storage tank 2, a compression pump 3, an end cover 4, a cyclone 5, a flange 6, an air inlet valve 7, an exhaust valve 200, an exhaust port 301, an air inlet hole 302, an exhaust port 303, a compressed air exhaust flow passage 304, a choked inner wall 305, a groove 8, a temporary storage cavity 9, an exhaust pipe 10, a return pipe 11, a floating ball 12, an air outlet pipe 13, an air inlet pipe 201, a motor 202, a planetary transmission device 203, an oil cylinder piston rod 204, an eccentric shaft 205, an eccentric sleeve 206, an oil cylinder piston 207, an oil cylinder 208, a pressure regulating valve 209, an oil supplementing box 210, a transfer cylinder 211, a force transmission piston rod 212, a transfer piston 213, a compression piston 214, a partition 215, a compression cylinder 20201, a first sun gear 20202, a first planet carrier 20203, a first planet gear 20204, a first ring gear 20205, a second sun gear 20206, a second planet gear 20207, a second planet carrier 20208, a second ring 20209, a crank gear 20210, a reciprocating ring gear 20211, a crank 20801, a valve body 20802, a pressure regulating inlet 20803, a regulating outlet 20804, a valve 20805, a valve body 20805, a lifting block 20806, a fixed cover 20207, a lifting rod 20208, and a lifting spring.
Detailed Description
The present application will be further described with reference to specific embodiments, however, it will be appreciated by those skilled in the art that the detailed description herein with reference to the accompanying drawings is for better illustration, and that the application is not necessarily limited to such embodiments, but rather is intended to cover various equivalent alternatives or modifications, as may be readily apparent to those skilled in the art.
The invention is further described with reference to fig. 1-7.
Referring to fig. 1, the gas compression system for recovering ionic liquid comprises multiple stages of compression pumps 2 connected in series, each stage of compression pump 2 is provided with an air inlet valve 6 and an air outlet valve 7, each air inlet valve 6 and each air outlet valve 7 are one-way valves, the air inlet valve 6 allows air to enter the compression pump 2, and the air outlet valve 7 allows air in the compression pump 2 to be discharged. The upper end of the compression pump 2 is provided with an exhaust port 201 communicated with an exhaust valve 7, each stage of compression pump 2 is provided with an ionic liquid reflux mechanism, an air inlet valve 6 of the first stage of compression pump 2 is connected with a storage tank 1, and an outlet of the exhaust valve 7 of the last stage of compression pump 2 is connected with a gas-liquid separation mechanism. The ionic liquid in the compression pump 2 is enabled to flow back through the ionic liquid backflow mechanism, then the ionic liquid is recovered again through the gas-liquid separation mechanism connected with the last stage of compression pump 2, so that the loss of the ionic liquid is reduced, and meanwhile, the times of supplementing the ionic liquid are reduced. The compression pump 2 in this embodiment is provided with 5 stages in series.
Referring to fig. 2, the compression pump 2 is provided at an upper end thereof with an end cap 3, and an intake valve 6 and an exhaust valve 7 are provided at the end cap 3. The end cover 3 is provided with an air inlet 301 and an air outlet 302, the air inlet valve 6 is arranged in the air inlet 301, the air inlet 301 is vertically arranged, and the air outlet 7 is arranged in the air outlet 302.
The ion liquid reflux mechanism comprises a compressed gas discharge flow passage 303, the compressed gas discharge flow passage 303 is arranged on the inner side of the end cover 3, one end of the compressed gas discharge flow passage 303 is communicated with the exhaust port 200, the other end of the compressed gas discharge flow passage 303 is communicated with the exhaust valve 7, the compressed gas discharge flow passage 303 is provided with a flow blocking inner wall 304, and the flow blocking inner wall 304 is arranged opposite to the exhaust port 200.
The compressed gas discharge flow passage 303 is bent, the inner wall of one bending part forms the flow blocking inner wall 304, the compressed gas mixed with the ionic liquid is discharged from the exhaust port 200 and then enters the compressed gas discharge flow passage 303, and in the compressed gas discharge flow passage 303, the compressed gas collides with the flow blocking inner wall 304, so that turbulence is formed, the state of the ionic liquid in the compressed gas is unstable, and the ionic liquid is separated from the compressed gas and flows back into the compression pump 2.
In this embodiment, the included angle between the choke inner wall 304 and the center line of the inlet end of the compressed gas discharge flow channel 303 is an obtuse angle, and the obtuse angle structure can separate the ionic liquid from the compressed gas, and meanwhile, has relatively small discharge resistance to the compressed gas, so as to avoid affecting the normal operation of the compression pump 2. Specifically, in this embodiment, the included angle at the bending position of the compressed gas exhaust flow passage 303 is preferably 110-145 °.
The periphery of end cover 3 is provided with a ring flange 5, and the lower part of end cover 3 is provided with annular platform, and end cover 3 passes through ring flange 5 to be fixed in compression pump 2 upper end. The bottom of the end cover 3 is higher than the bottom of the flange plate 5, and a temporary storage cavity 8 is formed in the flange plate 5 at the lower part of the end cover 3. The lower end of the compressed gas discharge flow passage 303 is communicated with the temporary storage cavity 8, the piston in the compression pump 2 in the exhaust stroke can ascend to the end cover 3, the ion liquid can be temporarily stored in the temporary storage cavity 8 and fills the clearance between the pump body and the piston, the compressed gas is discharged, the effect of improving the efficiency of the compression pump 2 is achieved, and meanwhile, the back-flowing ion liquid also flows back into the temporary storage cavity 8.
Referring to fig. 3, the exhaust valve 7 in the present embodiment is disposed obliquely. A small amount of ionic liquid can be discharged from the exhaust valve 7 along with compressed gas, part of ionic liquid in a pipeline can flow back to the exhaust valve 7 after being separated from the compressed gas, if the exhaust valve 7 is vertically arranged, the ionic liquid on the upper side of the exhaust valve 7 can influence the normal discharge of the compressed gas when the exhaust valve 7 is opened, the exhaust valve 7 is obliquely arranged, the ionic liquid can be stored at the lower part of the valve core of the exhaust valve 7 after flowing back, when the valve core of the exhaust valve 7 is opened, the ionic liquid flows back into the compression pump 2 along the lower side of the exhaust valve 7, the compressed gas is discharged through the upper part of the exhaust valve 7, and the backflow of the ionic liquid can not influence the normal discharge of the compressed gas.
A groove 305 is also provided at the underside of the end cap 3, the groove 305 being provided between the lower end of the inlet aperture 301 and the lower end of the outlet aperture 302 to further accommodate the backflow of ionic liquid.
Referring to fig. 4, the gas-liquid separation mechanism in this embodiment is a cyclone separator 4, the cyclone separator 4 is connected to an exhaust valve 7 through an exhaust pipe 9, an air outlet pipe 12 is connected to the middle or upper portion of the cyclone separator 4, and the separated gas is exhausted through the air outlet pipe 12. A spiral wind guiding structure is arranged in the cyclone separator 4, and the lower end of the cyclone separator 4 is connected with an ion liquid recovery container or a last stage compression pump 2 through a return pipe 10. The compressed gas with a small amount of ionic liquid enters the cyclone 4, and during the spiral flow, the ionic liquid is separated from the compressed gas and collected. The lower extreme of cyclone 4 is equipped with floater 11, and floater 11 seals the liquid outlet of cyclone 4, and the ionic liquid flows to floater 11 department downwards after being separated, and after the ionic liquid reached a certain amount, makes floater 11 float, and the ionic liquid flows down cyclone 4.
The spiral wind-guiding structure in the cyclone separator 4 can be a spiral blade, but more preferably is a spiral spring, compressed air enters the cyclone separator 4 under the flow guiding effect of the spiral spring to realize gas-liquid separation, the air outlet of the cyclone separator 4 is connected with the air outlet pipe 12, the liquid outlet of the cyclone separator 4 is communicated with the air inlet valve 6, and the air inlet valve 6 is also connected with the air inlet pipe 13.
Referring to fig. 5, the compression pump 2 in this embodiment includes a motor 201, a speed reducer, an oil cylinder piston rod 203, an oil cylinder 207, a transmission cylinder 210 and a compression cylinder 215, where the motor 201 is connected to an input end of the speed reducer, an output end of the speed reducer is connected to and drives the oil cylinder piston rod 203 to reciprocate, an oil cylinder piston 206 connected to the oil cylinder piston rod 207 is disposed in the oil cylinder 207, the transmission cylinder 210 is connected between the oil cylinder 207 and the compression cylinder 215, a transmission piston 212 is disposed in the transmission cylinder 210, a compression piston 213 is disposed in the compression cylinder 215, and the transmission piston 212 is connected to the compression piston 213 through a force transmission piston rod 211.
The cylinder piston rod 203 drives the cylinder piston 206 to do work in the cylinder 207, hydraulic oil in the cylinder 207 pushes the transfer piston 212 to move in the transfer cylinder 210 to do work, the transfer piston 212 drives the compression piston 213 to move in the compression cylinder 215 through the force transfer piston rod 211 to do work, the transfer piston 212 transfers the power of the cylinder 207 to the compression cylinder 215, and a seal is formed between the compression cylinder 215 and the cylinder 207 while the power transfer is realized, so that the hydraulic oil is prevented from entering the compression cylinder 215. Further, a partition 214 is provided between the compression cylinder 215 and the transfer cylinder 210, inert gas is filled in the cavity between the transfer piston 212 and the compression piston 213, a hole is formed in the partition 214 and is connected with a pressure detection unit, whether leakage occurs in the compression cylinder 215 is detected by the pressure detection unit, and if the inert gas pressure is reduced, the leakage of the compression cylinder 215 is indicated, and the piston is maintained or replaced in time.
In this embodiment, two cylinders 203 are symmetrically disposed at two sides of the speed reducer, a transmission cylinder 210 and a compression cylinder 215 are vertically disposed at two sides of the speed reducer, the compression cylinders 215 at two sides of the speed reducer alternately apply work, and the pressure of the air intake of one compression cylinder 215 can be used as the power of the other compression cylinder 215.
The cylinder 207 is L-shaped, converts the horizontal power of the cylinder piston 203 into a vertical power, and vertically disposes the compression cylinder 215 so as to retain the ionic liquid in the compression cylinder 215. However, the vertical side wall of the oil cylinder 207 opposite to the oil cylinder piston 206 bears a larger pressure, if the pressure is too large, the cylinder body is easy to damage, for this purpose, the pressure regulating valve 208 is arranged on the side wall of the oil cylinder 207 opposite to the oil cylinder piston 206, one end of the pressure regulating valve 208 is communicated with the oil cylinder 207, the other end is connected with the inlet of the oil supplementing tank 209, the outlet of the oil supplementing tank 209 is communicated with the oil cylinder 207 through a one-way valve, when the pressure is larger, redundant hydraulic oil enters the oil supplementing tank 209 through the pressure regulating valve 208, when the hydraulic oil of the oil cylinder 207 is insufficient, the hydraulic oil in the oil supplementing tank 209 enters the oil cylinder 207 through the one-way valve, so that the damage to the cylinder body caused by the high-pressure hydraulic oil is prevented, and the sufficient hydraulic oil in the oil cylinder 207 is ensured.
Referring to fig. 6, the speed reducer in the present embodiment is a planetary transmission 202, the planetary transmission 202 includes a first sun gear 20201, a first planet carrier 20202, a first planet gear 20203, a first ring gear 20204, a second sun gear 20205, a second planet carrier 20207, a second planet gear 20206 and a second ring gear 20208, both the first planet carrier 20202 and the second planet carrier 20207 are rotatably disposed, the first ring gear 20204 and the second ring gear 20208 are fixedly disposed, the first planet gear 20203 is rotatably disposed on the first planet carrier 20202 and respectively engaged with the first sun gear 20201 and the first ring gear 20204, the second sun gear 20205 is connected with the first planet carrier 20202, the second planet gear 20206 is disposed on the second planet carrier 20207 and respectively engaged with the second sun gear 20205 and the second ring gear 20208, a reciprocating ring gear 10 is fixedly disposed on one side of the second ring gear 20208, a gear 20209 is rotatably disposed on the second planet carrier 20207, the first ring gear 20209 and the second ring gear 202205 is engaged with the eccentric shaft 202205 is rotatably disposed on the eccentric shaft 205, and an eccentric sleeve 11 is disposed on the outer side of the eccentric sleeve 11 and is rotatably disposed on the eccentric sleeve of the eccentric sleeve 11.
In this embodiment, the pitch circle diameter of the reciprocating ring gear 20210 is twice that of the crank gear 20209, the central axis of the eccentric shaft 204 coincides with the pitch circle of the crank gear 20209, the crank gear 20209 is driven to rotate inside the reciprocating ring gear 20210 in the process of rotating the second planet carrier 20207, since the pitch circle diameter of the reciprocating ring gear 20210 is twice that of the crank gear 20209, the point on the pitch circle of the crank gear 20209 moves reciprocally along the pitch circle diameter of the reciprocating ring gear 20210, so that the eccentric shaft 204 moves reciprocally instead of rotating, the motion of the planet gears is converted into reciprocal motion, instead of the crank link structure and the oil cylinder, the rotational motion is converted into linear reciprocal motion by using the planetary gear transmission assembly, the volume of the compressor is reduced, and meanwhile, a larger stroke can be realized in a smaller volume.
Referring to fig. 7, the pressure regulating valve 208 includes a valve body 20801, a lifting rod 20807, a valve core 20804 and a spring 20808, one side of the valve body 20801 is provided with a pressure regulating inlet 20802, the other side is provided with a pressure regulating outlet 20803, the valve core 20804 is movably arranged at the lower end of the valve rod 38, the pressure regulating inlet 20802 is communicated with the lower side of the valve core 20804, a fixed cover 20806 is connected at the upper end of the valve core 20804, a cavity is formed between the fixed cover 20806 and the valve core 20804, a lifting block 20805 is arranged at the lower end of the lifting rod 20807, and the lifting block 20805 is arranged in the cavity in a lifting manner, so that the lifting rod 20807 and the valve core 20804 can move relatively, and the lifting rod 20807 does not affect the lifting of the valve core 20804. The spring 20808 is arranged in the valve body 20801 and compresses the fixed cover 20806 downwards, so that the pressure regulating valve 208 is normally in a closed state, when the pressure of hydraulic oil in the oil cylinder 207 is overlarge, the hydraulic oil jacks up the valve core 20804 upwards, so that hydraulic oil in the oil cylinder 207 enters the valve core 20804 upwards from the pressure regulating inlet 20802, hydraulic oil enters the oil supplementing tank 209 through the pressure regulating outlet 20803, damage to the oil cylinder 207 caused by high-pressure hydraulic oil is prevented, and when the pressure of the hydraulic oil in the oil cylinder 207 falls to a safe value, the spring 20808 compresses the valve core 20804 downwards to close the pressure regulating inlet 20802. After the problems of sealing and the like of the hydraulic oil in the oil cylinder 207 are reduced, the hydraulic oil can be supplemented to the oil cylinder 209 through the oil supplementing tank 209, so that the stable operation of the oil cylinder 207 is ensured.
The pressure regulating valve 208 may also be used as a gas release valve, and when hydraulic oil is added to the cylinder 207, gas is easily present, and the lifting rod 20807 is manually lifted to open the valve element 20804, so that the gas in the cylinder 207 can be discharged, and the hydraulic oil can be smoothly introduced into the cylinder 207 when the hydraulic oil is initially used. The lifting rod 20807 is in threaded connection with the valve body 20801, the lifting rod 20807 has a certain limiting effect on the valve core 20804, meanwhile lifting of the valve core 20804 is not affected, and lifting of the valve core 20804 is achieved by rotating the lifting rod 20807.
The working process is that the gas in the storage tank 1 is compressed step by each stage of compression pump 2 until the gas is compressed to the required pressure, and finally the compressed gas is sent to a high-pressure tank or gas utilization equipment by a cyclone separator 4. In the process of discharging the compressed gas in the compression pump 2, the compressed gas enters the compressed gas discharge flow passage 303 through the exhaust hole 301, and in the compressed gas discharge flow passage 303, the compressed gas collides with the flow-blocking inner wall 304, so that turbulence is formed, and the ionic liquid is separated from the compressed gas and flows back into the compression pump 2. Part of the ionic liquid in the compressed gas discharged through the exhaust valve 7 flows back to the inclined lower part of the valve core of the exhaust valve 7, when the valve core of the exhaust valve 7 is opened, the ionic liquid flows back to the compression pump 2 along the lower side of the exhaust valve 7, the compressed gas is discharged through the upper part of the exhaust valve 7, the compressed air discharged by the last stage of compression pump 2 enters the cyclone 4, the compressed gas is sent to a high-pressure tank or gas-using equipment after being subjected to gas-liquid separation by the cyclone 4, and the ionic liquid is discharged to the ionic liquid recovery tank or any stage of compression pump 2 after passing through the floating ball 11.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the invention in any way, and any person skilled in the art may make modifications or alterations to the disclosed technical content to the equivalent embodiments. However, any simple modification, equivalent variation and variation of the above embodiments according to the technical substance of the present invention still fall within the protection scope of the technical solution of the present invention.
Claims (9)
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN217873154U (en) * | 2022-07-30 | 2022-11-22 | 博山水泵制造厂 | Gas compressor |
| CN116641875A (en) * | 2023-06-02 | 2023-08-25 | 西安交通大学 | Applicable to the discharge valve liquid separation and liquid real-time replenishment mechanism of ionic liquid compressor |
| CN117846917A (en) * | 2023-12-06 | 2024-04-09 | 西安交通大学 | Air valve rotary vane liquid separation and stagnation type five-stage booster liquid replenishment type ionic liquid compressor |
| CN118293047A (en) * | 2024-06-05 | 2024-07-05 | 博山水泵制造厂 | Hydrogen compressor |
| CN221610138U (en) * | 2024-06-17 | 2024-08-27 | 博山水泵制造厂 | Ionic liquid reflux device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN118462542A (en) | 2024-08-09 |
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Denomination of invention: A gas compression system for recovering ionic liquid Granted publication date: 20250304 Pledgee: Industrial and Commercial Bank of China Limited Zibo Boshan sub branch Pledgor: BOSHAN WATER-PUMP MANUFACTURING FACTORY Registration number: Y2025980049026 |