CN102626581A - Spiral flow whirlwind gas separator - Google Patents
Spiral flow whirlwind gas separator Download PDFInfo
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- CN102626581A CN102626581A CN2012101281287A CN201210128128A CN102626581A CN 102626581 A CN102626581 A CN 102626581A CN 2012101281287 A CN2012101281287 A CN 2012101281287A CN 201210128128 A CN201210128128 A CN 201210128128A CN 102626581 A CN102626581 A CN 102626581A
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- gas separator
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Abstract
The invention discloses a spiral flow whirlwind gas separator. The spiral flow whirlwind gas separator comprises an outer spiral runner which consists of an outer pipeline (3) and outer spiral blades (2) in the outer pipeline (3), and both ends of the outer spiral runner are respectively provided with an inlet (1) and an outlet. The spiral flow whirlwind gas separator is characterized in that the interior of the outer pipeline (3) is also provided with an inner pipeline (7); the inner pipeline (7) and inner spiral blades (6) arranged in the inner pipeline (7) form an inner spiral runner; the flow directions of gas in the outer spiral runner and gas in the inner spiral runner are opposite; a collecting pipe (8) is arranged at the outlet of the inner pipeline (7) in the inner pipeline (7); and the outlet of the outer pipeline (3) is connected with a conical whirlwind runner (4). Two layers of spiral blades with different sizes and screw pitches are contained in the spiral flow whirlwind gas separator. At a very high spiral speed, the primary separation and the secondary separation of methane and air are realized by utilizing the principle of density contrast between the methane and the air, and finally, the density of gas discharged into the air is reduced, and the purification and the secondary utilization of the gas are realized, and the separation efficiency is high.
Description
Technical field
The present invention relates to a kind of gas separator, particularly a kind of spiral flow cyclone type gas separator.
Background technology
Aerial natural buoyance lift of methane gas and convection current buoyance lift phenomenon are the natural phenomenas that people know already.Research to the laminar flow of polynary fluid-mixing all is based on hydromechanical continuity equation, Turbulence Flow equation and diffusion equation, and complicated flow is then increased turbulent energy equation and state equation.
The patent of domestic relevant gas enrichment mainly contains: ZL 200520024727.X, and name is called coal preparation plant's coal bunker methane accumulation controlling device, and the patent No. is ZL200810236122.5, and patent name is a low concentration gas thermal convection current buoyancy lift collecting device.Comprehensive both at home and abroad to the density stratification of multi component mixed gas body flow the especially laminar flow of low-concentration methane gas and the research situation of low-concentration methane gas enrichment demixing technology, can find the emphasis of studying mainly be mine gas in the workspace, the gathering of airway, goaf, migration rule; Diffusion under the elevated pressures gradient and buoyance lift; Shearing force and velocity gradient are to the stable influence of concentration diffusion and density stratified flow etc.To the buoyance lift of light component in the uniform mixing gas mixture and the research of migration, local accumulation and density stratification is important research direction from molecule migration, local accumulation and density stratification just.
For example the patent No. is the disclosed a kind of scale type helical-flow air concentrating and separating device of ZL201010109154.6; Comprise inner cylinder, exterior cylinder and spiral panel; The spiral panel is installed between the inner surface of outer surface and exterior circular column of inner cylinder, and spiral panel and inner cylinder, exterior circular column have constituted helical flow path; The spiral panel is made up of the overlapped spiral road short slab of head and the tail, in short slab joint, spiral road, is provided with the space between the spiral road short slab.
Such gas separator, the inertia force that utilizes fluid in the helical flow process, to produce makes different gas of density or solid reach the purpose of separation.In addition, utilize the formed air-breathing and air blowing phenomenon in narrow square-section helical flow path and short slab slit, make the air-flow of helical flow be in laminar condition all the time.
The gas separator of said structure is simple in structure; Less demanding for the field of employment can separate, concentrate by the mist that density is different, especially concentrating and centrifugation for the bigger binary mixture of density difference; And in use the gas treatment amount is big, and energy consumption is very low.But the gas separator of this kind structure is still not very good to the concentrating of gas, enrichment, and the scientific research personnel is devoted to study the gas separator of higher bioaccumulation efficiency always.
Summary of the invention
The purpose of this invention is to provide the higher cyclone type helical-flow air separator of a kind of separative efficiency.
In order to reach above-mentioned technical purpose; Technical scheme of the present invention is: a kind of spiral flow cyclone type gas separator; Comprise the external spiral runner that is made up of the external spiral sheet in Outer Tube and the Outer Tube, the two ends of helical flow path are respectively arranged with inlet, outlet outside, in described Outer Tube, also are provided with interior conduit; The inner screwy fin of interior conduit and interior conduit set inside constitutes the inside spin runner; External spiral runner and inside spin runner gas flow are in the opposite direction, and in the exit of interior conduit, the interior conduit set inside has collecting pipe; Pipeline exit is connected with the conical cyclone runner outside.
Said conical cyclone runner exit place is provided with valve.
The axis coinciding of said collecting pipe and interior conduit.
Said inner screwy fin is a spigot of being made up of three flights, and three flights are uniformly distributed with on circumference, and cornerite is 120 °, and lead angle is 30 °.
The diameter of said collecting pipe is Φ 120mm, and the interior conduit diameter is Φ 200mm, and the Outer Tube diameter is Φ 360mm; Collecting pipe length is 650mm, and interior conduit length is 2975mm, and Outer Tube length is 4625mm; The pitch of inner screwy fin is 300mm, and the pitch of external spiral sheet is 100mm.
The present invention adopts three layers of pipe design; Portion includes the helical blade of two-layer different size and pitch within it; Under very high helix speed; Utilize the density contrast principle of methane and air, realize the first separation and the secondary separation of methane and air, finally reduced the purification and the second use that are discharged to airborne gas density and have realized methane gas.Gas separator of the present invention combines two spiral separation runners and conical cyclone runner, and compact conformation carries out the secondary separation enrichment to gas, and separative efficiency is high.
Description of drawings
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is done further detailed explanation.
Fig. 1 is a structure diagram of the present invention.
Fig. 2 looks cutaway view for a left side of the present invention.
Fig. 3 is interior conduit and external spiral chip architecture sketch map.
Fig. 4 is interior conduit and inner screwy fin structural representation.
Fig. 5 is a spiral flow cyclone type gas separator structural representation.
The specific embodiment
Like Fig. 1, shown in 2 and 5, spiral flow cyclone type gas separator comprises the external spiral runner that is made up of Outer Tube 3 and Outer Tube 3 interior external spiral sheets 2, and the two ends of helical flow path are respectively arranged with inlet 1, outlet outside.
Like Fig. 3, shown in 4; In described Outer Tube 3, also be provided with interior conduit 7; The inner screwy fin 6 of interior conduit 7 and interior conduit 7 set inside constitutes the inside spin runner; External spiral runner and inside spin runner gas flow are in the opposite direction, could satisfy the purpose that realizes collecting gas at an end of inlet 1 like this.
In the exit of interior conduit 7, the inside center of interior conduit 7 (being the axle center of interior conduit 7) is provided with collecting pipe 8; In the exit of Outer Tube 3, be connected with conical cyclone runner 4 on the Outer Tube 3.Collecting pipe 8 also can not be in the axle center of interior conduit 7, but the efficient of collecting available gas like this will reduce.This is because the molecular mass of the methane class gas that desire is collected is littler than air quality, and it can will not influence collection efficiency if collecting pipe is not in the centre of interior conduit 7 to enrichment in the middle of the helical flow path.
The diameter of collecting pipe 8 is much smaller than the diameter of interior conduit 7, and its optimum size is confirmed by the enrichment degree of collected available gas.Can effectively two kinds of significant gases of density difference be realized layering on concentration like this, thereby realize effective collection certain gas.
The concrete size of above-mentioned each parts can for: the diameter of collecting pipe 8 is Φ 120mm; Interior conduit 7 diameters are Φ 200mm, and Outer Tube 3 diameters are Φ 360mm, and collecting pipe 8 length are 650mm; Interior conduit 7 length are 2975mm; Outer Tube 3 length are 4625mm, and inner screwy fin 6 has been the spigot structure, and the pitch of external spiral sheet 2 is 100mm.Each plays spigot and adopts 3 flights to constitute, and flight can adopt flat flight, and external spiral sheet 2 adopts the continous way flight that is welded.
Ventilation air gas gets into the external spiral runner from the inlet 1 of separator, when screw at a high speed, because the molecular mass of methane is littler than air quality, and under the effect of spiral flow field inertia force, its outwards middle enrichment of helical flow path; After the high velocity air through the external spiral runner gets into conical cyclone runner 4; Because the continuation effect of centrifugal force, methane gas also can continue the middle part enrichment to conical cyclone runner 4 pipelines, simultaneously because conical cyclone runner 4 pipe diameters are bigger; And directly communicate with interior conduit 7; Under the effect of conical cyclone runner 4 central negative pressures, will produce flow opposite near center, conical cyclone flow field with peripheral conical cyclone flow field direction of rotation, portion gas is sent in the interior conduit 7.In this process, the portion gas that is in conical cyclone runner 4 outermost will be from 5 mouthfuls of discharges of valve of these conical cyclone runner 4 right-hand members, and middle a part of gas will be under the synergy of the extruding of peripheral gas and whirlwind runner axle center negative pressure; From the interior conduit 7 of centre to left movement; Get into the inside spin runner, carry out the secondary separation enrichment, a collecting pipe 8 that inserts in the left end exit of interior conduit 7 at last; The mid portion gas of interior conduit 7 is collected, and remaining gas is discharged.This equipment is that two spiral separation pipelines and conical cyclone runner are combined, compact conformation, separative efficiency height.
Key of the present invention is that external spiral runner, conical cyclone runner, inside spin runner are combined, and after the centrifugation through external spiral runner and conical cyclone runner, the gas of remainder enrich methane gets into the inside spin runner and carries out the secondary centrifuging separation.
For the conical cyclone runner 4 gas inside amounts of controlling outflow, and then control the gas flow that is back in the interior conduit 7, the end of conical cyclone runner 4 is provided with valve 5, adopts the size that the open and close and the valve 5 of valve 5 are opened to control.
Spiral flow cyclone type gas separator of the present invention be a kind of can be with the ventilation air gas enrichment of discharging, concentrate, collect; And then reduction is discharged to airborne gas density greatly; The novel practical device that the ventilation air gas second use of also getting up for enrichment simultaneously creates conditions; Realize the first separation and the secondary separation of methane and air, finally reduced the purification and the second use that are discharged to airborne gas density and have realized methane gas.
External spiral sheet of the present invention, inner screwy fin principle are as spiral panel in the disclosed a kind of scale type helical-flow air concentrating and separating device of patent ZL201010109154.6; Also can adopt the spiral panel in the above-mentioned patent, the purpose of its setting is to form helical flow path.
The foregoing description does not limit the present invention in any way, and every employing is equal to the technical scheme that replacement or the mode of equivalent transformation obtain and all drops in protection scope of the present invention.
Claims (5)
1. spiral flow cyclone type gas separator; Comprise the external spiral runner that constitutes by the external spiral sheet (2) in Outer Tube (3) and the Outer Tube (3); The two ends of helical flow path are respectively arranged with inlet (1), outlet outside; It is characterized in that: in described Outer Tube (3), also be provided with interior conduit (7), the inner screwy fin (6) of interior conduit (7) and interior conduit (7) set inside constitutes the inside spin runner, and external spiral runner and inside spin runner gas flow are in the opposite direction; Exit in interior conduit (7), interior conduit (7) set inside has collecting pipe (8); Be connected with conical cyclone runner (4) in Outer Tube (3) exit.
2. spiral flow cyclone type gas separator according to claim 1 is characterized in that: said conical cyclone runner (4) exit is provided with valve (5).
3. spiral flow cyclone type gas separator according to claim 1 is characterized in that: the axis coinciding of said collecting pipe (8) and interior conduit (7).
4. spiral flow cyclone type gas separator according to claim 1 is characterized in that: the rise spigot of said inner screwy fin (6) for forming by three flights, and three flights are uniformly distributed with on circumference, and cornerite is 120 °, and lead angle is 30 °.
5. spiral flow cyclone type gas separator according to claim 1 is characterized in that: the diameter of said collecting pipe (8) is Φ 120mm, and interior conduit (7) diameter is Φ 200mm; Outer Tube (3) diameter is Φ 360mm; Collecting pipe (8) length is 650mm, and interior conduit (7) length is 2975mm, and Outer Tube (3) length is 4625mm; The pitch of inner screwy fin (6) is 300mm, and the pitch of external spiral sheet (2) is 100mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101281287A CN102626581A (en) | 2012-04-27 | 2012-04-27 | Spiral flow whirlwind gas separator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101281287A CN102626581A (en) | 2012-04-27 | 2012-04-27 | Spiral flow whirlwind gas separator |
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| CN102626581A true CN102626581A (en) | 2012-08-08 |
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| CN2012101281287A Pending CN102626581A (en) | 2012-04-27 | 2012-04-27 | Spiral flow whirlwind gas separator |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102824808A (en) * | 2012-08-21 | 2012-12-19 | 西安交通大学 | System for enrichment of coal mine gas by solar energy |
| CN103111162A (en) * | 2013-03-11 | 2013-05-22 | 常熟理工学院 | Novel spiral flow whirlwind gas separator |
| CN107906086A (en) * | 2017-10-17 | 2018-04-13 | 常州大学 | A kind of sleeve type spiral flow generating apparatus |
| CN110721534A (en) * | 2019-11-05 | 2020-01-24 | 湖南核三力技术工程有限公司 | Vertical type tobacco shred recycling and air pressure adjusting integrated device and cigarette making and tipping unit process wind power and dust removal system |
| CN112275065A (en) * | 2020-08-28 | 2021-01-29 | 浙江大学 | Dry treatment method for paint mist of paint spraying |
| CN113304569A (en) * | 2020-02-26 | 2021-08-27 | 绍兴广通节能环保科技有限公司 | Boiler blow-down water enthalpy increases steam purification recovery unit |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4070171A (en) * | 1969-09-29 | 1978-01-24 | Wikdahl Nils Anders Lennart | Apparatus for the separation of gas mixtures into component fractions according to their molecular or atomic weight |
| JPS55137055A (en) * | 1979-04-14 | 1980-10-25 | Nippon Kagaku Kikai Seizo Kk | Cyclone which is double constituted |
| CN2408361Y (en) * | 1999-09-14 | 2000-11-29 | 刘柏谦 | Gas/solid separator |
| US20010005986A1 (en) * | 1999-12-28 | 2001-07-05 | Kazuki Matsubara | Cyclone type gas-liquid separator |
| JP2002239420A (en) * | 2001-02-13 | 2002-08-27 | Ishikawajima Harima Heavy Ind Co Ltd | Double cyclone |
| CN2597086Y (en) * | 2003-01-15 | 2004-01-07 | 茂名学院 | Spiral flow guiding type cyclone separator |
| CN101757836A (en) * | 2010-02-11 | 2010-06-30 | 常熟理工学院 | Scale type helical-flow air concentrating and separating device |
| CN101992007A (en) * | 2010-10-27 | 2011-03-30 | 常熟理工学院 | Sector plate spiral runner gas concentrator |
-
2012
- 2012-04-27 CN CN2012101281287A patent/CN102626581A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4070171A (en) * | 1969-09-29 | 1978-01-24 | Wikdahl Nils Anders Lennart | Apparatus for the separation of gas mixtures into component fractions according to their molecular or atomic weight |
| JPS55137055A (en) * | 1979-04-14 | 1980-10-25 | Nippon Kagaku Kikai Seizo Kk | Cyclone which is double constituted |
| CN2408361Y (en) * | 1999-09-14 | 2000-11-29 | 刘柏谦 | Gas/solid separator |
| US20010005986A1 (en) * | 1999-12-28 | 2001-07-05 | Kazuki Matsubara | Cyclone type gas-liquid separator |
| JP2002239420A (en) * | 2001-02-13 | 2002-08-27 | Ishikawajima Harima Heavy Ind Co Ltd | Double cyclone |
| CN2597086Y (en) * | 2003-01-15 | 2004-01-07 | 茂名学院 | Spiral flow guiding type cyclone separator |
| CN101757836A (en) * | 2010-02-11 | 2010-06-30 | 常熟理工学院 | Scale type helical-flow air concentrating and separating device |
| CN101992007A (en) * | 2010-10-27 | 2011-03-30 | 常熟理工学院 | Sector plate spiral runner gas concentrator |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102824808A (en) * | 2012-08-21 | 2012-12-19 | 西安交通大学 | System for enrichment of coal mine gas by solar energy |
| CN103111162A (en) * | 2013-03-11 | 2013-05-22 | 常熟理工学院 | Novel spiral flow whirlwind gas separator |
| CN107906086A (en) * | 2017-10-17 | 2018-04-13 | 常州大学 | A kind of sleeve type spiral flow generating apparatus |
| CN110721534A (en) * | 2019-11-05 | 2020-01-24 | 湖南核三力技术工程有限公司 | Vertical type tobacco shred recycling and air pressure adjusting integrated device and cigarette making and tipping unit process wind power and dust removal system |
| CN113304569A (en) * | 2020-02-26 | 2021-08-27 | 绍兴广通节能环保科技有限公司 | Boiler blow-down water enthalpy increases steam purification recovery unit |
| CN112275065A (en) * | 2020-08-28 | 2021-01-29 | 浙江大学 | Dry treatment method for paint mist of paint spraying |
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Application publication date: 20120808 |