CN105148625A - Vortex tubular gas-liquid separator - Google Patents
Vortex tubular gas-liquid separator Download PDFInfo
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- CN105148625A CN105148625A CN201510560470.8A CN201510560470A CN105148625A CN 105148625 A CN105148625 A CN 105148625A CN 201510560470 A CN201510560470 A CN 201510560470A CN 105148625 A CN105148625 A CN 105148625A
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Abstract
The invention discloses a vortex tubular gas-liquid separator. The vortex tubular gas-liquid separator comprises a vertical shell, wherein a primary spiral separation device and a secondary spiral separation device are installed in the shell. A two-level centrifugal separation way is adopted, the liquid content of a separated gas phase is reduced to 3 percent or less, the gas content of a liquid phase is reduced to 1 percent or less, so that the metering, sampling and purifying of the gas phase and the liquid phase are guaranteed, the harms of gas-liquid mixed fluid, such as vibration, gas corrosion and corrosion on downstream equipment and pipelines are reduced, and the vortex tubular gas-liquid separator has the advantages of simplicity and compactness in structure, easiness in manufacturing and the like. Under the situations of large and frequent variation of flow and gas-liquid ratio as well as a slug flow, the vortex tubular gas-liquid separator can achieve good gas-liquid separation effects, is widely applicable to various gas-liquid separation fields and particularly suitable for the gas-liquid separation field having high requirements on the separation rate, can achieve a gas-liquid separation effect of a liquid-gas ratio of 1: 100 and can separate a liquid drop with a minimum diameter more than or equal to 5 micrometers.
Description
Technical field
The present invention relates to the gas-liquid separation device of a kind of oil and gas industry, chemical industry, environmental protection industry (epi), particularly a kind of vortex tube gas-liquid separator.
Background technology
At oil and gas industry, chemical industry, environmental protection industry (epi) etc., need to use in a large number gas-liquid separator, be used for being separated containing the liquid in liquid gas and the gas in air containing fluid.Gas-liquid separator is mainly divided into horizontal type gas and liquid separator and vertical gas-liquid separator two kinds by version.
The principle of horizontal type gas and liquid separator to contain liquid gas residence a period of time in cavity, using liquid self gravitation as driving force, gas-liquid two-phase is separated, have that structure is simple, treating capacity is large, it is little to consume energy, pressure drop is little, be easy to the advantages such as maintenance, but because need to ensure the time of staying of gas-liquid two-phase in cavity, so volume is large, heavy, cost is high, not high pressure resistant, inferior separating effect, its can precipitation of liquid droplets diameter limiting value usually >=100 μm.
The operation principle of vertical gas-liquid separator is the liquid that the centrifugal force produced by gas-liquid cyclonic effect comes in divided gas flow, common vertical gas-liquid separator has GLCC(Gas-LiquidCylindricalCyclone gas-liquid column cyclone separator), cyclone separator, flight flow-guiding type gas-liquid separator, spiral-flow plate-type gas-liquid separator, axial-flow type gas-liquid cyclone separator etc., all utilize the inertia of gas-liquid two-phase or helical blade is installed to make after gas-liquid two-phase enters working chamber, produce strong rotation, liquid phase large for density is got rid of to wall by the centrifugal effect produced by spiral, and under gravity, liquid storage district, bottom is fallen to along barrel, and flow out from liquid-phase outlet, the air-flow rotated shrinks to center flow in working chamber, upwards form secondary vortex flow flow out through gaseous phase outlet or directly flow out through gaseous phase outlet.Vertical gas-liquid separator generally all has the time of staying short, equipment volume and little, the easy installation of floor space, advantage easy to maintenance, but its shortcoming is easy to wear and to viscosity larger fluid bad adaptability, comparatively responsive to changes in flow rate.
Arranging that the limited application scenario of installing space is as offshore oilfield etc., because available installing space is very limited, just require gas-liquid separator compact and economize energy as far as possible, so need the gas-liquid separator that volume is little, floor space is little, efficient and energy-conservation, thus improving the utilization rate of platform space, the vertical gas-liquid separator meeting above-mentioned feature becomes the first-selection of the limited gas-liquid separation occasion of installing space.
Although existing vertical gas-liquid separator has, energy consumption is little, volume and floor space is little, opereating specification is wider than horizontal separator, cost is lower, easy installation and maintenance, separative efficiency are high, without the advantage of movable part, but because gas-liquid two-phase needs when the inwall of cavity is advanced to ensure that enough spiral number of turns are fully separated to make gas-liquid two-phase, so its axial dimension is still very large.In addition, because cavity core can form secondary vortex flow, and gas-liquid two-phase entrance is how close with gaseous phase outlet pipe, carries under one's arms and short-circuit flow so can form secondary, thus affects final separative efficiency.
Particularly, because existing vertical gas-liquid separator all makes biphase gas and liquid flow produce centrifugal effect carry out work, once cavity diameter is determined, just can only run in relatively little range of flow, so existing vertical gas-liquid separator regulates than little, if flow diminishes or breaks through flux lower limit, just cannot continue to supplement the effective energy maintaining spiral and need, cause centrifugal effect not obvious, separating effect declines; If instead flow is too large or occur slug flow, easily a large amount of secondary that produces is carried under one's arms with short-circuit flow or promotes intraluminal fluid position rapidly, even floods whole working chamber, causes normally working.
Publication number is the small-sized inertial separation system that the patent document of CN102470308A discloses a kind of gas-liquid mixture, this piece-rate system is based on GLCC separator, change at inlet duct, allow gas-liquid two-phase layering under gravity in inlet duct, and be separated in this, as one-level, then using column eddy flow as the second-order separation, although this piece-rate system has the little advantage of volume, but still do not overcome the shortcoming that the time of staying is long, can affect separating effect etc. to the larger fluid bad adaptability of viscosity, changes in flow rate.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of separative efficiency high, structure is simple, compact, the vortex tube gas-liquid separator easily manufactured.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of vortex tube gas-liquid separator, comprise vertical housing, be provided with one-level spiral separating device and deuterostrophies separator in described housing, described deuterostrophies separator is positioned at the top of described one-level spiral separating device, and the lower end of described housing is provided with liquid-phase outlet; Described one-level spiral separating device comprises first-stage centrifugal shell, in described first-stage centrifugal shell, first-stage centrifugal axle is installed, described first-stage centrifugal axle is provided with spiral helicine primary vortex blade, and the lower end of described first-stage centrifugal shell is provided with the two phase flow entrance stretched out outside described housing; Described deuterostrophies separator comprises two-stage centrifugal shell, in described two-stage centrifugal shell, two-stage centrifugal axle is installed, described two-stage centrifugal axle is provided with spiral helicine secondary vortices blade, and the upper end of described two-stage centrifugal shell is provided with the gaseous phase outlet stretched out outside described housing; Described primary vortex blade is identical with the rotation direction of secondary vortices blade, and the upper end of described first-stage centrifugal shell is communicated with described enclosure interior with the lower end of described two-stage centrifugal shell.
Described first-stage centrifugal axle and described two-stage centrifugal axle concentric.
The upper end of described first-stage centrifugal shell is provided with up big and down small deflection cone.
The lower end of described two-stage centrifugal shell is provided with up-small and down-big gas collection cone.
The sidewall of described two-stage centrifugal shell is provided with spout hole.
The pipeline of described two phase flow entrance is provided with elbow bend.
The lead angle of described primary vortex blade and secondary vortices blade is 12 ° to 75 °.
The lead angle of described secondary vortices blade is greater than the lead angle of described primary vortex blade.
Described first-stage centrifugal axle with the diameter ratio of described two-stage centrifugal axle is: (1-2): 1; Described primary vortex blade with the diameter ratio of described secondary vortices blade is: (1-1.5): 1.
The channel axis with lead angle formed between described first-stage centrifugal axle and the inwall of primary vortex blade and first-stage centrifugal shell be greater than described two-stage centrifugal axle to sectional area and the channel axis with lead angle that formed between secondary vortices blade and two-stage centrifugal shell inwall to sectional area.
The invention has the beneficial effects as follows: the mode that the present invention adopts two-stage centrifugal to be separated, efficient gas-liquid separation can be carried out to biphase gas and liquid flow, gas phase liquid content after separation drops to less than 3%, liquid phase air content drops to less than 1%, for the metering of gas phase and liquid phase, sampling and purification provide guarantee, decrease the flutter that gas-liquid mixture fluid causes follow-up equipment and pipeline, cavitation erosion, the harm such as corrosion, there is structure simple, compact, the advantages such as easy manufacture, simultaneously, owing to having the separation that secondary accelerates, the effect of large discharge buffering, at flow, when large and the frequent and slug flow of gas liquid ratio variation, all can obtain good gas-liquid separation effect, short-circuit flow can not be produced and secondary is carried under one's arms, eliminate short-circuit flow and secondary is carried under one's arms on the impact of separating effect, be widely used in various gas-liquid separation field, be particularly useful for the gas-liquid separation occasion of high separation rate requirement, gas-liquid separation effect can accomplish the liquid-gas ratio of 1:100 volume, the minimum drop size that can be separated is more than or equal to 5 μm.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is overall structure schematic diagram of the present invention;
Fig. 2 is the structural representation of one-level spiral separating device;
Fig. 3 is the structural representation of deuterostrophies separator;
Fig. 4 is the spout hole distribution schematic diagram during deuterostrophies is separated.
Detailed description of the invention
Referring to figs. 1 through Fig. 4, a kind of vortex tube gas-liquid separator, comprise vertical housing 1, one-level spiral separating device 3 and deuterostrophies separator 2 are installed in described housing 1, described deuterostrophies separator 2 is positioned at the top of described one-level spiral separating device 3, the lower end of deuterostrophies separator 2 and the upper end of one-level spiral separating device 3, and leave certain space between the inwall of the outer wall of the outer wall of deuterostrophies separator 2 and one-level spiral separating device 3 and housing 1.The lower end of described housing 1 is provided with liquid-phase outlet 11, described one-level spiral separating device 3 comprises first-stage centrifugal shell 30, in described first-stage centrifugal shell 30, first-stage centrifugal axle 322 is installed, described first-stage centrifugal axle 322 is provided with spiral helicine primary vortex blade 321, the lower end of described first-stage centrifugal shell 30 is provided with the two phase flow entrance 33 stretched out outside described housing 1, the pipeline of described two phase flow entrance 33 is provided with elbow bend, described two phase flow entrance 33 can weld with between housing 1, also Flange joint can be adopted, can be supported fixing between first-stage centrifugal shell 30 and housing 1 by two phase flow entrance 33, under heavy traffic condition, radial wing plate can be increased be connected between first-stage centrifugal shell 30 with housing 1.
Described deuterostrophies separator 2 comprises two-stage centrifugal shell 20, in described two-stage centrifugal shell 20, two-stage centrifugal axle 222 is installed, described two-stage centrifugal axle 222 is provided with spiral helicine secondary vortices blade 221, and the upper end of described two-stage centrifugal shell 20 is provided with the gaseous phase outlet 21 stretched out outside described housing 1.The sidewall of described two-stage centrifugal shell 20 is provided with spout hole 23, and spout hole 32, also can according to equidistant position arrangement etc. according to the helix positional alignment of secondary vortices blade 221.Described gaseous phase outlet 21 is straight tube, can weld, also can adopt Flange joint between gaseous phase outlet 21 with housing 1, can be supported fixing between two-stage centrifugal shell 20 and housing 1 by gaseous phase outlet 21, under heavy traffic condition, also can increase radial wing plate and connect.The lower end of described two-stage centrifugal shell 20 is provided with up-small and down-big gas collection cone 24, on the one hand, the up-small and down-big bell-mouth structure of air of gas collection cone 24 easily makes gas phase enter, on the other hand, from a part of inwall being directly thrown to housing 1 of liquid phase that spout hole 23 throws away, another portion glides along the surface of gas collection cone 24, bores 31 edges be gathered into and drip at gas collection.
Described primary vortex blade 321 is identical with the rotation direction of secondary vortices blade 221.Described first-stage centrifugal axle 322 and described two-stage centrifugal axle 222 concentric, the upper end of described first-stage centrifugal shell 30 is communicated with described housing 1 inside with the lower end of described two-stage centrifugal shell 20.
Gas-liquid two-phase mixed flow enters in one-level spiral separating device 3 from two phase flow entrance 33, vortex field is formed under primary vortex blade 321 acts on, the centrifugal effect produced by vortex field makes gas-liquid two-phase first time be separated, the intensity of eddy current and lift angle will decide according to the various parameters of two phase flow, biphase gas and liquid flow in vortex field because eddy current effect makes gas-liquid two-phase layering, density of liquid phase quality is larger than gas phase, according to centrifugal force formula, the inwall that liquid phase is close to first-stage centrifugal shell 30 moves up, the inwall of housing 1 is thrown away from the upper end of first-stage centrifugal shell 30, flow under the influence of gravity into the liquid storage district of housing 1 bottom, finally discharge from liquid-phase outlet 11, the upper end of described first-stage centrifugal shell 30 is provided with up big and down small deflection cone 31, liquid phase is close to deflection cone 31 and is thrown away, can guarantee that liquid phase throws away on the inwall of housing 1.
Most liquid phase is discharged in first time is separated, the gas with a small amount of liquid phase of discharging in one-level spiral separating device 3 enters deuterostrophies separator 2 from the lower end of two-stage centrifugal shell 20, vortex field is formed under secondary vortices blade 221 acts on, the centrifugal effect produced by vortex field makes gas-liquid two-phase carry out second time separation, remaining liquid phase is discharged by spout hole 23, fall under gravity into the liquid storage district of housing 1 bottom, finally discharge from liquid-phase outlet 11, gas phase after separation is discharged from gaseous phase outlet 21, gas phase liquid content after separation drops to less than 3%, liquid phase air content drops to less than 1%, for the metering of gas phase and liquid phase, sampling and purification provide guarantee, decrease the flutter that gas-liquid mixture fluid causes follow-up equipment and pipeline, cavitation erosion, the harm such as corrosion.In order to improve the efficiency of separation, can install additional and catching liquid net in housing 1, after liquid phase runs into and catches liquid net, rapid aggregation becomes to drip.
The shape of described primary vortex blade 321, size, lead angle and vane thickness etc. are arranged according to the liquid holdup of gas-liquid two-phase before treatment and discharge characteristic, and the shape of described secondary vortices blade 221, size, lead angle and vane thickness etc. are arranged according to the gas phase characteristic after first time is separated.The lead angle of described primary vortex blade 321 and secondary vortices blade 221 is suitably 12 ° to 75 °, the lead angle of described secondary vortices blade 221 is greater than the lead angle of described primary vortex blade 321, and described first-stage centrifugal axle 322 is (1-2) with the diameter ratio of described two-stage centrifugal axle 222: 1, described primary vortex blade 321 is (1-1.5) with the diameter ratio of described secondary vortices blade 221: 1, the channel axis with lead angle formed between described first-stage centrifugal axle 322 and the inwall of primary vortex blade 321 and first-stage centrifugal shell 30 be greater than described two-stage centrifugal axle 222 to sectional area and the channel axis with lead angle that formed between secondary vortices blade 221 and two-stage centrifugal shell 20 inwall to sectional area, in the present embodiment, the lead angle of primary vortex blade 321 is 20 °, the lead angle of secondary vortices blade 221 is 30 °, first-stage centrifugal axle 322 is 1.8:1 with the diameter ratio of described two-stage centrifugal axle 222, primary vortex blade 321 is 1.4:1 with the diameter ratio of described secondary vortices blade 221.Like this, the eddy current effect in deuterostrophies separator 2 is more more violent than the eddy current effect in one-level spiral separating device 3, and the centrifugal effect of generation is more obvious, guarantees that the gas phase of discharging from deuterostrophies separator 2 is purer.
The mode that the present invention adopts two-stage centrifugal to be separated, efficient gas-liquid separation can be carried out to biphase gas and liquid flow, there is structure simple, compact, the advantages such as easy manufacture, simultaneously, owing to having the separation that secondary accelerates, the effect of large discharge buffering, at flow, when large and the frequent and slug flow of gas liquid ratio variation, all can obtain good gas-liquid separation effect, short-circuit flow can not be produced and secondary is carried under one's arms, eliminate short-circuit flow and secondary is carried under one's arms on the impact of separating effect, be widely used in various gas-liquid separation field, be particularly useful for the gas-liquid separation occasion of high separation rate requirement, gas-liquid separation effect can accomplish the liquid-gas ratio of 1:100 volume, the minimum drop size that can be separated is more than or equal to 5 μm.
Claims (10)
1. a vortex tube gas-liquid separator, comprise vertical housing (1), it is characterized in that one-level spiral separating device (3) and deuterostrophies separator (2) are installed in described housing (1), described deuterostrophies separator (2) is positioned at the top of described one-level spiral separating device (3), and the lower end of described housing (1) is provided with liquid-phase outlet (11); Described one-level spiral separating device (3) comprises first-stage centrifugal shell (30), in described first-stage centrifugal shell (30), first-stage centrifugal axle (322) is installed, described first-stage centrifugal axle (322) is provided with spiral helicine primary vortex blade (321), and the lower end of described first-stage centrifugal shell (30) is provided with stretches out described housing (1) two phase flow entrance (33) outward; Described deuterostrophies separator (2) comprises two-stage centrifugal shell (20), in described two-stage centrifugal shell (20), two-stage centrifugal axle (222) is installed, described two-stage centrifugal axle (222) is provided with spiral helicine secondary vortices blade (221), and the upper end of described two-stage centrifugal shell (20) is provided with stretches out described housing (1) gaseous phase outlet outward (21); Described primary vortex blade (321) is identical with the rotation direction of secondary vortices blade (221), and the upper end of described first-stage centrifugal shell (30) is communicated with described housing (1) inside with the lower end of described two-stage centrifugal shell (20).
2. vortex tube gas-liquid separator according to claim 1, is characterized in that described first-stage centrifugal axle (322) and described two-stage centrifugal axle (222) concentric.
3. vortex tube gas-liquid separator according to claim 1, is characterized in that the upper end of described first-stage centrifugal shell (30) is provided with up big and down small deflection cone (31).
4. vortex tube gas-liquid separator according to claim 1, is characterized in that the lower end of described two-stage centrifugal shell (20) is provided with up-small and down-big gas collection cone (24).
5. vortex tube gas-liquid separator according to claim 1, is characterized in that the sidewall of described two-stage centrifugal shell (20) is provided with spout hole (23).
6. vortex tube gas-liquid separator according to claim 1, the pipeline that it is characterized in that described two phase flow entrance (33) is provided with elbow bend.
7. vortex tube gas-liquid separator according to claim 1, is characterized in that the lead angle of described primary vortex blade (321) and secondary vortices blade (221) is 12 ° to 75 °.
8. vortex tube gas-liquid separator according to claim 7, is characterized in that the lead angle of described secondary vortices blade (221) is greater than the lead angle of described primary vortex blade (321).
9. vortex tube gas-liquid separator according to claim 1, is characterized in that described first-stage centrifugal axle (322) is (1-2) with the diameter ratio of described two-stage centrifugal axle (222): 1; Described primary vortex blade (321) is (1-1.5) with the diameter ratio of described secondary vortices blade (221): 1.
10. vortex tube gas-liquid separator according to claim 9, the channel axis with lead angle that it is characterized in that being formed between described first-stage centrifugal axle (322) and the inwall of primary vortex blade (321) and first-stage centrifugal shell (30) is greater than described two-stage centrifugal axle (222) and the channel axis with lead angle that formed between secondary vortices blade (221) and two-stage centrifugal shell (20) inwall to sectional area to sectional area.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105999870A (en) * | 2016-07-01 | 2016-10-12 | 安德油气工艺技术(天津)有限公司 | Efficient spiral separation device |
| CN106964201A (en) * | 2017-05-18 | 2017-07-21 | 淮南矿业(集团)有限责任公司 | Pressing filter compression system filtrate water discharge device |
| CN111804446A (en) * | 2020-07-15 | 2020-10-23 | 重庆科技学院 | Dust removal and precipitation device of shale gas detector |
| CN112221254A (en) * | 2020-09-07 | 2021-01-15 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Rotary vane type steam-water separator |
| CN108815927B (en) * | 2018-06-12 | 2021-05-14 | 哈尔滨工程大学 | Multifunctional wide-flow-path efficient gas-liquid separation device combining gravity and centrifugal technology |
| CN113692311A (en) * | 2018-12-20 | 2021-11-23 | 哈文技术解决方案有限公司 | Apparatus and method for gas-liquid separation of multiphase fluids |
| CN115151324A (en) * | 2019-12-16 | 2022-10-04 | 史蒂文·格雷戈里·韦伯斯特 | Separator for fluid flow and method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105999870A (en) * | 2016-07-01 | 2016-10-12 | 安德油气工艺技术(天津)有限公司 | Efficient spiral separation device |
| CN106964201A (en) * | 2017-05-18 | 2017-07-21 | 淮南矿业(集团)有限责任公司 | Pressing filter compression system filtrate water discharge device |
| CN108815927B (en) * | 2018-06-12 | 2021-05-14 | 哈尔滨工程大学 | Multifunctional wide-flow-path efficient gas-liquid separation device combining gravity and centrifugal technology |
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| CN111804446A (en) * | 2020-07-15 | 2020-10-23 | 重庆科技学院 | Dust removal and precipitation device of shale gas detector |
| CN111804446B (en) * | 2020-07-15 | 2024-03-22 | 重庆科技学院 | Shale gas detector dust removal precipitation device |
| CN112221254A (en) * | 2020-09-07 | 2021-01-15 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Rotary vane type steam-water separator |
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Address after: 528400 No. 250-2, Langwang Avenue, Minmin Town, Zhongshan City, Guangdong Province Patentee after: ZHONGSHAN LEMAN PETROLEUM EQUIPMENT Co.,Ltd. Address before: No.7-2, Dongsheng Industrial Zone, Minmin Town, Zhongshan City, Guangdong Province, 528400 Patentee before: ZHONGSHAN LEMAN PETROLEUM EQUIPMENT Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230826 Address after: Building 3, 101, No. 87 Fuzhou Road, Development Zone, Dongying City, Shandong Province, 275091 Patentee after: Shandong Huasheng Rong Oil and Gas Equipment Co.,Ltd. Address before: 528400 No. 250-2, Langwang Avenue, Minmin Town, Zhongshan City, Guangdong Province Patentee before: ZHONGSHAN LEMAN PETROLEUM EQUIPMENT Co.,Ltd. |