CN108786285B - Gas-liquid separation device - Google Patents
Gas-liquid separation device Download PDFInfo
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- CN108786285B CN108786285B CN201810639027.3A CN201810639027A CN108786285B CN 108786285 B CN108786285 B CN 108786285B CN 201810639027 A CN201810639027 A CN 201810639027A CN 108786285 B CN108786285 B CN 108786285B
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- 239000007788 liquid Substances 0.000 title claims abstract description 121
- 238000000926 separation method Methods 0.000 title claims abstract description 53
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 150000001336 alkenes Chemical class 0.000 claims description 4
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims description 4
- 238000006116 polymerization reaction Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 29
- 239000012071 phase Substances 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 230000005494 condensation Effects 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
- QWTDNUCVQCZILF-UHFFFAOYSA-N isopentane Chemical compound CCC(C)C QWTDNUCVQCZILF-UHFFFAOYSA-N 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- 229920010126 Linear Low Density Polyethylene (LLDPE) Polymers 0.000 description 2
- AFABGHUZZDYHJO-UHFFFAOYSA-N dimethyl butane Natural products CCCC(C)C AFABGHUZZDYHJO-UHFFFAOYSA-N 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
- B01D45/16—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by the winding course of the gas stream, the centrifugal forces being generated solely or partly by mechanical means, e.g. fixed swirl vanes
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Cyclones (AREA)
- Separating Particles In Gases By Inertia (AREA)
Abstract
The invention relates to a gas-liquid separation device, and belongs to the field of chemical machinery. It includes: the inner cylinder is connected with a supply pipeline for conveying gas flow containing liquid and is composed of a plurality of pipe sections, and liquid dividing grooves are formed among the pipe sections to reduce liquid discharge resistance; the outer cylinder is sleeved outside the inner cylinder with a certain gap, a closed annular cavity is formed between the inner cylinder and the outer cylinder, and the outer cylinder is provided with a U-shaped liquid seal type liquid discharge pipe; a swirl member provided between the upstream side of the inner tube and the supply line; the outer cylinder is connected with a central low-pressure area of the inner cylinder through a blind plate of the rotational flow component by the bent pipe, and the air in the outer cylinder is sucked by utilizing the pressure difference between the inner cylinder and the outer cylinder, so that the pressure of the outer cylinder is reduced. The gas-liquid separation device has the characteristics of high gas-liquid separation efficiency and low pressure drop, and has stronger adaptability to different production devices.
Description
Technical Field
The invention relates to a gas-liquid separation device, in particular to a gas-liquid separation device used in an olefin polymerization condensation state process.
Technical Field
The gas-liquid separation technology is widely applied to various industrial processes such as petrochemical industry, tail gas recovery, wet dust removal, flue gas waste heat utilization and the like. For example, in the condensed state process of olefin polymerization, the separation of the condensate from the recycle gas stream has a significant effect on the heat removal capacity of the reactor, the temperature profile and the product properties. The condensate is usually separated based on gravity, inertia, centrifugation, etc., and combinations thereof, wherein centrifugal separators are widely used due to their advantages of high separation efficiency and small pressure drop. Patent ZL 201010617116.1 discloses a swirl plate separator for a gas phase polyethylene process. The separator is vertically arranged on a circulating pipeline and comprises two optional forms of an internal type and an external type. The circulating airflow is led out from the top of the fluidized bed, compressed and condensed and then enters the cyclone plate separator, and the liquid spreads on the cyclone blades and is blown by the airflow into liquid drops which rotate along with the airflow. The liquid drops are thrown to the wall surface under the action of centrifugal force to form a liquid film, and the liquid film is collected by a downcomer and then discharged. The disadvantage of this device is that it must be placed vertically and the flexibility of installation is limited.
Patent ZL 200910005274.9 discloses a centrifugal gas-liquid separator, which mainly comprises guide vanes, an inner cylinder with a plurality of liquid discharge holes, a deswirler, an outer cylinder and a siphon. The gas phase and the liquid phase rotate under the action of the guide vanes, and the liquid is enriched towards the wall surface of the inner cylinder under the action of centrifugal force, flows into the outer cylinder through the liquid discharge hole and is discharged out of the separator through the siphon. The separator is compact in structure, and the design of the derotation device can reduce vibration generated in the separation process. Patent ZL201210061004.1 discloses a gas-liquid separation device for olefin polymerization condensed state process, which can be horizontally or vertically installed on a circulation pipeline, and comprises an inner cylinder with a plurality of liquid discharge holes arranged on the circumferential side wall, an outer cylinder sleeved outside the inner cylinder with a certain gap, a closed annular cavity formed between the inner cylinder and the outer cylinder, a liquid discharge port arranged on the outer cylinder, and a rotational flow component between the upstream side end of the inner cylinder and a supply pipeline. Similar to patent ZL 201010617116.1, when the gas flow containing liquid described in patent ZL201210061004.1 passes through the swirling component, the liquid droplets are thrown to the wall surface of the inner cylinder by the centrifugal force to form a liquid film, and then flow into the outer cylinder through the liquid discharge holes. The two patents are not enough in that when the gas speed is higher or the liquid content is lower, the thickness of a liquid film formed above the liquid discharge hole is smaller, partial high-speed rotating gas flow inevitably penetrates through the liquid film to enter the outer cylinder through the liquid discharge hole, the pressure of the outer cylinder is increased, the resistance of the liquid flowing through the liquid discharge hole is increased, and the gas-liquid separation efficiency is reduced. Meanwhile, the aperture of the liquid discharge hole is small, and the resistance of gas-liquid two-phase flowing through the liquid discharge hole is remarkably increased compared with that of gas-liquid two-phase flowing into a free space, so that the separation efficiency is reduced and the pressure drop is increased. Therefore, a new separation device structure is needed to improve the gas-liquid separation efficiency and reduce the pressure drop loss.
Disclosure of Invention
In view of the above technical problems in the prior art, the present invention provides a gas-liquid separation apparatus, which is capable of performing efficient gas-liquid separation and has a small separation pressure drop.
According to the present invention, there is provided a gas-liquid separation apparatus comprising an inner cylinder connected to a supply line for carrying a gas flow containing liquid, the inner cylinder being composed of a plurality of pipe sections, and a liquid separation tank being formed between each of the pipe sections to reduce liquid discharge resistance. The outer cylinder is sleeved outside the inner cylinder with a certain gap, a closed annular cavity is formed between the inner cylinder and the outer cylinder, and the outer cylinder is provided with a U-shaped liquid seal type liquid discharge pipe. And a swirl member provided between the upstream side of the inner tube and the supply line. The cyclone component comprises a cover cylinder, a blind plate and a plurality of cyclone blades, wherein the blind plate is concentrically arranged in the cover cylinder with the cover cylinder, the plurality of cyclone blades obliquely extend from the blind plate to the inner wall of the cover cylinder along the downstream direction, and a flow guide channel is formed between every two adjacent cyclone blades. The outer cylinder is connected with the central low-pressure area of the inner cylinder through the blind plate through the bent pipe, the gas in the outer cylinder is sucked by utilizing the pressure difference of the inner cylinder and the outer cylinder, the pressure of the outer cylinder is reduced, and the gas-liquid separation efficiency is improved.
As used herein, "upstream" and "downstream" are both referenced to the direction of flow of the liquid-containing gas stream.
Specifically, when the circulating airflow containing the condensate passes through the swirl blades, the liquid spreads on the swirl blades, the gas-liquid two phases rotate under the guiding action of the swirl blades, and the liquid drops are thrown to the wall surface of the inner barrel section under the action of centrifugal force to form a liquid film. In order to reduce the resistance of the liquid film flowing into the outer cylinder, the inner cylinder is divided into a plurality of pipe sections, the gaps among the pipe sections form liquid separating grooves, and the liquid film flows into the outer cylinder through the liquid separating grooves.
In one embodiment, in order to prevent the liquid film on the wall surface of the upstream pipe section from being entrained by the airflow to enter the downstream pipe section, the inlets of the pipe sections except for the first pipe section connected with the cyclone component are arranged into a gradually expanding type and play the role of a baffle plate to promote the liquid film to flow into the liquid separation tank, and meanwhile, the diameter expansion ratio of the downstream pipe section is equal to or less than that of the upstream pipe section.
In one embodiment, the outer cylinder drain pipe is set to be a U-shaped pipe, and liquid seal is formed in the U-shaped pipe by liquid, so that blow-by of the drain pipe is effectively prevented.
In one embodiment, the blind plate is hollowed, the annular cavity is communicated with a low pressure area in the center of the inner barrel through a bent pipe, and the gas in the outer barrel is pumped by utilizing the pressure difference between the inner barrel and the outer barrel, so that the gas pressure in the outer barrel is reduced, and the gas-liquid separation process is enhanced. In order to prevent the liquid in the outer cylinder from flowing into the inner cylinder through the elbow pipe, the elbow pipe is arranged at the bottom of the separating device.
In one embodiment, the inner barrel sections (except for the first section connected to the swirl element and the last section extending from the outer barrel) are fixed to the inner wall of the outer barrel by fasteners.
In one embodiment, the inner barrel has a length greater than a length of the outer barrel, wherein a downstream end of the inner barrel extends beyond a downstream end of the outer barrel.
In one embodiment, the swirl member is integrally formed with the inner barrel and the swirl member is contained within the outer barrel. The integrated design facilitates the installation of the gas-liquid separation device on the supply pipeline.
In one embodiment, the apparatus is used for gas-liquid separation during polyolefin condensation.
The invention has the advantages that the resistance and the separation pressure drop of the liquid film flowing into the outer cylinder are reduced by arranging the multi-section inner cylinder and the liquid dividing groove; the divergent pipe section inlet can effectively prevent the liquid film from being secondarily entrained, and the separation efficiency is improved; the annular cavity between the inner cylinder and the outer cylinder is communicated with the low pressure area in the center of the inner cylinder, and the gas in the outer cylinder is pumped by utilizing the pressure difference between the inner cylinder and the outer cylinder, so that the gas pressure in the outer cylinder is obviously reduced, and the gas-liquid separation efficiency is further improved; in addition, the gas-liquid separation device has simple and compact structure and small occupied area, can be directly arranged on the supply pipeline, and can be well adapted to different production devices.
Drawings
Fig. 1 is a structural view of a horizontally arranged gas-liquid separation apparatus according to the present invention.
Fig. 2 is a structural view of a vertically arranged gas-liquid separation apparatus according to the present invention.
Detailed Description
The invention will be further explained with reference to the drawings. The embodiments and drawings are only for illustrative purposes and are not intended to limit the scope of the present invention, and all reasonable variations and combinations that are included within the spirit and scope of the present invention are included in the scope of the present invention.
Fig. 1 schematically shows a horizontally arranged gas-liquid separation device 14 according to the present invention, comprising an inner cylinder 6 with a built-in swirl component 5, an outer cylinder 8, a closed annular chamber 12 formed between the inner cylinder 6 and the outer cylinder 8, an elbow 2 communicating the annular chamber with a central low pressure zone of the inner cylinder, and a U-shaped liquid-seal type drain 13.
The swirl component 5 comprises a cover cylinder 9, a blind plate 3 and a plurality of swirl plate blades 4. The shroud 9 is a cylinder configured to just cover the outer edge of the swirl vanes 4. Each swirl plate vane 4 extends from the blind plate 3 in the downstream direction to the inner wall of the shroud 9, so that a flow guide channel is formed between adjacent swirl vanes 4. Through the arrangement, the gas flow containing liquid can rotate in the guide channel, and gas-liquid separation is carried out under the action of centrifugal force.
As shown in fig. 1, the inner drum 6 is connected to the supply line 1 to receive a liquid-containing gas stream to be treated. The inner cylinder 6 is composed of a plurality of pipe sections fixed on the inner wall of the outer cylinder through fixing pieces 11, a liquid composition groove 10 is formed among the pipe sections to reduce the resistance of the liquid film flowing into the outer cylinder 8, and preferably, the inlet of the pipe section except for the first pipe section connected with the rotational flow part 5 is set as a divergent inlet 7 to reduce the secondary entrainment amount of the liquid film. The liquid-containing air flow rotates after passing through the rotational flow component 5, liquid drops are thrown to the wall surface of the inner cylinder 6 to form a liquid film, the liquid film flows into the annular cavity 12 through the liquid separation groove 10, the liquid is settled and is discharged out of the outer cylinder through the U-shaped liquid discharge pipe 13, the liquid in the pipe forms a liquid seal through the design of the U-shaped pipe, and air blowby of the outer cylinder is effectively prevented. Meanwhile, the outer cylinder airflow is sucked into the inner cylinder 6 through the elbow 2, so that the resistance of the liquid film flowing into the outer cylinder is further reduced, and the gas-liquid separation efficiency is obviously improved. The downstream end of the inner cylinder 6 extends beyond the downstream end of the outer cylinder 8, and the swirling member 5 is contained within the outer cylinder 8.
As shown in fig. 2, when the gas-liquid separation device 14 is vertically arranged, the elbow 2 protrudes into the upper part of the annular chamber.
According to the present invention, assuming that the inner diameter of the inner cylinder 6 is D, the width of the liquid separation tank 10 can be selected to be 0.05D-D, preferably 0.1D-0.4D, so as to control the amount of gas flowing into the outer cylinder 8 while the resistance of the liquid film flowing into the outer cylinder 8 is reduced; and/or the number of pipe sections of the inner drum 6 is 2-10, preferably 2-5; and/or on the axial section of the inner barrel 6, the included angle between the inclined edge of the divergent section 7 and the axial direction of the inner barrel 6 is 10-80 degrees, preferably 20-50 degrees, so that the resistance loss of the liquid-containing gas flow impacting the divergent section 7 is controlled while the secondary entrainment of the liquid film is reduced; and/or the ratio of the diameters of the sections of the inner cylinder 6 is 1-3, preferably 1.05-1.25, to reduce the flow path change resistance loss when the liquid-containing gas flow enters the sections.
According to the invention, it is assumed that the outer diameter of the mantle 9 is D0Then the inner diameter of the elbow 2 can be selected to be 0.05D0-0.3D0。
According to the invention, the number of swirl vanes 4 is selected to be 6-40, preferably 8-24; and/or the projected overlap ratio of the swirl vanes 4 is (-0.8) - (-0.2), preferably (-0.6) - (-0.4); and/or the thickness of the swirl vanes 4 is 1-10mm, preferably 2-6 mm.
Example 1:
the horizontally arranged gas-liquid separation device 14 shown in fig. 1 is used for gas-liquid separation after condensation of recycle gas in the process of producing Linear Low Density Polyethylene (LLDPE). The inner diameter of the inner barrel 6 is 600mm and is divided into 3 pipe sections, the width of the liquid separating groove 10 is 50mm, the diameter expansion ratio of the second pipe section is 1.10, the inner diameter of the outer barrel 8 is 1000mm, the outer diameter of the cover barrel 9 is 590mm, the inner diameter of the bent pipe 2 is 80mm, the diameter of the blind plate 3 is 200mm, the number of the swirl blades 4 is 15, the thickness of the blades is 5mm, and the projection overlapping ratio is-0.5.
The pressure is 2.4MPa, the temperature is 47 ℃, and the reaction solution comprises hydrogen and nitrogenThe liquid-containing gas stream of methane, ethane, ethylene, hexene and isopentane passed through the gas-liquid separation device 14 at a velocity of 35 m/s. In the gas stream, the liquid phase has a density of 575kg/m3Has a gas phase density of 28kg/m3The total amount of condensate was 20%. After the circulating gas flow passes through the gas-liquid separation device, the separation efficiency of the condensate can reach 88 percent, and the pressure drop is 4500 Pa. The gas-liquid separation effect is higher, and the pressure drop is lower.
Example 2:
the vertically arranged gas-liquid separation device 14 shown in fig. 2 is used for gas-liquid separation after condensation of recycle gas in the process of producing Linear Low Density Polyethylene (LLDPE). The inner diameter of the inner cylinder 6 is 700mm, the inner cylinder is divided into 4 pipe sections, the width of the liquid separating groove 10 is 80mm, the diameter expansion ratio of the 2 nd pipe section to the 3 rd pipe section is 1.05, the inner diameter of the outer cylinder 8 is 1100mm, the outer diameter of the cover cylinder 9 is 690mm, the inner diameter of the elbow pipe 2 is 100mm, the diameter of the blind plate 3 is 180mm, the number of the swirl blades 4 is 18, the thickness of the blades is 5mm, and the projection overlapping rate is-0.6.
A gas stream comprising hydrogen, nitrogen, methane, ethane, ethylene, hexene and isopentane at a pressure of 2.4MPa and a temperature of 52 ℃ was passed through the gas-liquid separation device 14 at a velocity of 25 m/s. In the gas stream, the liquid phase had a density of 556kg/m3Has a gas phase density of 28kg/m3The total amount of condensate was 15%. After the circulating gas flow passes through the gas-liquid separation device 14, the separation efficiency of the condensate can reach 92%, and the pressure drop is 3800 Pa. The gas-liquid separation effect is higher, and the pressure drop is lower.
While the invention has been described with reference to a preferred 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 technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. 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 (7)
1. A gas-liquid separation device comprising:
the inner cylinder is connected with a supply pipeline for conveying gas flow containing liquid, the inner cylinder is composed of a plurality of pipe sections, and a liquid separation groove is formed between each pipe section; the inlets of the pipe sections in the inner cylinder except for the first pipe section connected with the rotational flow part are all arranged into divergent sections, wherein the expanding ratio of the downstream pipe section is smaller than that of the upstream pipe section;
the outer cylinder is sleeved outside the inner cylinder with a certain gap, a closed annular cavity is formed between the inner cylinder and the outer cylinder, and the outer cylinder is provided with a U-shaped liquid seal type liquid discharge pipe;
a swirl member provided between the upstream side of the inner tube and the supply line; the cyclone component comprises a cover cylinder, a blind plate and a plurality of cyclone blades, wherein the blind plate is concentrically arranged in the cover cylinder with the cover cylinder, the plurality of cyclone blades obliquely extend to the inner wall of the cover cylinder from the blind plate along the downstream direction, and a flow guide channel is formed between every two adjacent cyclone blades;
the outer cylinder is connected with the central low-pressure area of the inner cylinder through the rotational flow component by a bent pipe.
2. The apparatus of claim 1,
the number of the inner cylinder pipe sections is 2-10, and/or
On the axial section of the inner barrel, the included angle between the inclined edge of the gradually expanding section and the axial direction of the inner barrel is 10-80 degrees, and/or
The diameter ratio of each pipe section is 1-3, and/or
The width of the liquid separating tank is 0.05D-D,
wherein D is the inner diameter of the inner cylinder.
3. The apparatus of claim 2,
the number of the inner cylinder pipe sections is 2-5, and/or
On the axial section of the inner barrel, the included angle between the inclined edge of the gradually expanding section and the axial direction of the inner barrel is 20-50 degrees, and/or
The diameter ratio of the pipe sections is 1.05-1.25, and/or
The width of the liquid separating tank is 0.1D-0.4D,
wherein D is the inner diameter of the inner cylinder.
4. The apparatus of claim 1,
the inner diameter of the elbow is 0.05D0-0.3D0，
Wherein D is0Is the outer diameter of the cover cylinder.
5. The apparatus of claim 1,
the number of the swirl vanes is 6-40, and/or
The projection overlapping rate of the swirl vanes is (-0.8) - (-0.2), and/or
The thickness of the swirl vanes is 1-10 mm.
6. The apparatus of claim 1,
the number of the swirl vanes is 8-24, and/or
The projection overlapping rate of the swirl vanes is (-0.6) - (-0.4), and/or
The thickness of the rotational flow blade is 2-6 mm.
7. The apparatus of claim 1, wherein the apparatus is used for gas-liquid separation in a condensed state process for olefin polymerization.
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| CN109622251B (en) * | 2019-01-31 | 2021-03-26 | 中国石油工程建设有限公司 | Tubular separator |
| CN109621562A (en) * | 2019-02-19 | 2019-04-16 | 浙江大学 | A kind of multiple swirl gas-liquid separator |
| CN110732188B (en) * | 2019-10-21 | 2020-11-17 | 西安交通大学 | In-pipe phase separation and split-flow type high-flow-rate gas-liquid separation device and method |
| CN111495040B (en) * | 2020-04-30 | 2021-03-16 | 西安交通大学 | Horizontal pipeline type gas-liquid separation device and method |
| CN113856337B (en) * | 2021-11-03 | 2024-07-12 | 沧州万润环保设备有限公司 | Rotational flow dehydration dust remover and dust-containing water vapor dehydration dust removal system |
| CN114177700A (en) * | 2021-12-07 | 2022-03-15 | 深圳市旋风流体科技有限公司 | Gas-solid gas-liquid separating device |
| CN115121049B (en) * | 2022-03-31 | 2023-09-08 | 阳光氢能科技有限公司 | Hydrogen production system and cyclone scrubber thereof |
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| CN103301958A (en) * | 2012-03-09 | 2013-09-18 | 中国石油化工股份有限公司 | Gas-liquid separation apparatus |
| CN105169818A (en) * | 2015-07-27 | 2015-12-23 | 航天环境工程有限公司 | Double-vane air-swirl parallel-combination demister and application thereof |
| CN106621581A (en) * | 2016-12-12 | 2017-05-10 | 西安交通大学 | Gas-liquid two-phase fluid separating device and method based on in-tube phase isolating technology |
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| CN103301958A (en) * | 2012-03-09 | 2013-09-18 | 中国石油化工股份有限公司 | Gas-liquid separation apparatus |
| CN105169818A (en) * | 2015-07-27 | 2015-12-23 | 航天环境工程有限公司 | Double-vane air-swirl parallel-combination demister and application thereof |
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