CN104888983B - Double-deck cyclone separator rotation dust arrester in parallel - Google Patents
Double-deck cyclone separator rotation dust arrester in parallel Download PDFInfo
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- CN104888983B CN104888983B CN201510356260.7A CN201510356260A CN104888983B CN 104888983 B CN104888983 B CN 104888983B CN 201510356260 A CN201510356260 A CN 201510356260A CN 104888983 B CN104888983 B CN 104888983B
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Abstract
A kind of double-deck cyclone separator rotation dust arrester in parallel, mainly by being coaxially disposed, each other there is cavity, the central cylinder sealed off each other, middle cylinder, outer cylinder body to constitute, the cavity upper end between the middle cylinder and outer cylinder body is provided with tangential entry；Several small cyclones separators are distributed in the cavity of middle cylinder in paralleling two beds, several small cyclones separators of outer layer are uniformly fixed on the inwall of middle cylinder using the center of three cylinders as axle, and several small cyclones separators of internal layer are evenly distributed between outer layer cyclone separator and central cylinder.The problem of present invention solves low multiple cyclone separator efficiency of dust collections in existing boiler, tolerance skewness.
Description
Technical field
Fine grained can be trapped the present invention relates to a kind of double-deck cyclone separator rotation dust arrester in parallel, more particularly to one kind
Thing（PM2.5）Double-deck cyclone separator rotation dust arrester in parallel.
Background technology
Atmosphere pollution is to influence one of key factor of China's environment, and wherein dust pollution is the important portion of atmosphere pollution
Point.Research shows, the fine particle in dust（PM2.5）It is easy to heavy metal in enriched air, acidic oxide, organic contamination
Thing, bacterium and virus etc., its harm to health are far above coarseparticulate.Therefore, dust pollution is controlled, is especially controlled
The discharge of ultra-fine grain is significant.（Magnify year, the research of Inhalable Particulates in Urban Ambient Air, [J] Shanghai environment section
Learn, 1999,18（4）：154-157）.
Cyclone separator has the low advantage of simple in construction, small investment, operating cost because of it, obtains wide on industrial dedusting
General use.But single cyclone separator efficiency of dust collection is low, it is impossible to meet the dust removal requirement of large-sized boiler.Numerous scholar's research
In CFBB, come desulfurization and dedusting by the way of multiple cyclone separators are in parallel.Law of the country army of the Chinese Academy of Sciences, Liao
Build（[1] many cyclone separators of law of the country army recirculating fluidized beds are arranged in parallel the research of cold state experimental [D] the Chinese Academy of Sciences
Raw institute（Engineering Thermophysics research institute）, 2014；[2] experiment that six cyclone separators of Liao Lei are arranged in parallel recirculating fluidized bed is ground
Study carefully and numerical simulation [D] Postgraduate School, Chinese Academy of Sciences（Engineering Thermophysics research institute）, 2011）It has studied six cyclonic separations
Device is with the situation of furnace chamber H types distribution substantially symmetrical about its central axis.As shown in Figure 3.Test result indicates that, exist between six cyclone separators
Gas-solid distributes uneven phenomenon；Under the same conditions, the cyclone separator pressure drop of diverse location and air quantity have some differences.In stove
Thorax homonymy, the pressure drop positioned at middle cyclone separator is less than the pressure drop of the cyclone separator positioned at two ends；Close to afterbody main pipe
The side cyclone separator pressure drop in road is greater than the pressure drop away from afterbody main pipe road side, and middle position pressure drop size is in two
Between person.In burner hearth wind speed 5m/s, the pressure drop deviation of six cyclone separators is 5.6% or so.It can be seen that, six cyclonic separations
Device uses layout pattern substantially symmetrical about its central axis, and two middle cyclone separator cloth are unable to reach gas-solid equilibrium and granule density all the time
It is evenly distributed.
In addition studies have found that, in high density multiphase flow, Gas-particle Flows are in separator during impartial distribution, separator pressure
Power loss is maximum；In low-density multiphase flow, when especially density is very low, equalization distribution can make separator pressure loss most
It is small, and unequal it is assigned the larger pressure loss.
The reason for Liao Lei and law of the country army analyze gas-particle two-phase uneven distribution between multiple cyclone separators, mainly there is two
Part：A part is due to that the pulsating nature of aggregative fluidization and the multi-solution of symmetrical structure cause, and another part is due to structure
Non complete symmetry cause.As can be seen here, realize that the gas-particle two-phase of multiple cyclone separators is uniformly distributed to improving dedusting effect
Rate, reduction energy loss are significant.
The content of the invention
The present invention provides a kind of double-deck cyclone separator rotation dust arrester in parallel, to solve multiple whirlwind in existing boiler
Separator efficiency of dust collection is low, tolerance skewness the problem of.
Therefore, adopting the following technical scheme that：
A kind of double-deck cyclone separator rotation dust arrester in parallel, mainly by being coaxially disposed, each other with cavity, phase
The central cylinder that is sealed off between mutually, middle cylinder, outer cylinder body composition, the bottom of three cylinder is cone structure and middle
The cone distal end of cylinder and outer cylinder body is inside and outside underflow opening, and the inside and outside underflow opening is connected by flange and ash exhauster；It is described
Cavity upper end between middle cylinder and outer cylinder body is provided with tangential entry；During several small cyclones separators are distributed in bilayer
Between cylinder cavity in, several small cyclones separators of outer layer are uniformly fixed on middle cylinder using the center of three cylinders as axle
Inwall on, several small cyclones separators of internal layer be evenly distributed on outer layer small cyclones separator and central cylinder it
Between；The junction of middle cylinder and its underpart cone is connected with bottom plate, is left between the outer rim of the bottom plate and the inwall of middle cylinder
Air inlet annular distance；The bottom discharge mouth of several small cyclones separators be fixed on bottom plate and and middle cylinder bottom cone
Body insertion；The upper end of several small cyclones separators is provided with air inlet, the inner chamber insertion of the air inlet and middle cylinder；
The outlet of several small cyclones separator upper ends passes through bend pipe and central cylinder insertion；The bend pipe is placed in outer cylinder body top
Outlet is provided with the top seal in portion, the top cover.
The section of the winding pipe exit and the angle of horizontal plane are 90oTo 180o。
Efficiency of dust collection that the present invention has considered multiple cyclone separators is low, tolerance and the reason for uneven pressure drop distribution,
By multiple small cyclones separator parallel configurations in a big cavity, specially small cyclones separator is coaxially disposed, and is enclosed
Arrangement one week is rotated around central axis, Boiler Furnace intracavitary dusty gas directly then is sent into big cavity internal cyclone with pipeline separates
Device carries out dedusting.
The contrast of of the invention and multiple cyclone separator parallel connection H types layouts is as shown in Figures 2 and 3.Several are small by the present invention
Type cyclone separator rotates a circle layout around central shaft, and multiple cyclone separator H type parallel connections are using furnace chamber as symmetry axis six
Individual cyclone separator divides equally layout in furnace chamber both sides.In laboratory, of the invention and multiple cyclone separator parallel connection H types are laid out
Dust removing effects, air quantity and pressure drop distribution uniformity be tested, test air quantity be 10000m3/h.Test result such as Fig. 4-6
It is shown.Fig. 4 is change in pressure drop caused by two kinds of cyclone separator layouts.It can be seen that each whirlwind point in the present invention
Pressure drop size from device is essentially identical, and multiple cyclone separator H type parallel connections cause the pressure drop difference of each cyclone separator compared with
Greatly.Fig. 5 is air quantity change caused by two kinds of cyclone separator layouts, it can be seen that multiple cyclone separator H types layouts cause every
The gas-solid skewness of individual cyclone separator, air quantity is variant, and the air quantity difference of each cyclone separator of the present invention is less, real
Being uniformly distributed for air quantity is showed.Fig. 6 is the separation efficiency comparative of two kinds of cyclone separator layouts, the cyclone separator of H types layout
Separative efficiency is variant, and B separative efficiencies are minimum, is that 60%, A is up to 80%, total separative efficiency is 79%；And in the present invention
The efficiency of dust collection of each cyclone separator is 96% or so, and total efficiency of separation is 96%.Therefore, separative efficiency of the invention is long-range
In H types layout, the particulate matter in dusty gas can be efficiently removed.
In summary, compared with traditional multiple cyclone separator H types parallel configurations, the present invention can solve air quantity and pressure
Drop skewness, low separation efficiency the shortcomings of, be coaxially laid out each small cyclones separator air quantity is uniform, pressure drop is equal,
Separative efficiency is uniform, can efficiently collect dust in dusty gas.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is Fig. 1 top view；
Fig. 3 is the schematic diagram of cyclone separator H types parallel configuration in the prior art；
Fig. 4 pressure drop comparison diagrams of cyclone separator H types parallel configuration for the present invention and in the prior art；
Fig. 5 air quantity comparison diagrams of cyclone separator H types parallel configuration for the present invention and in the prior art；
Separation efficiency comparative's figure of Fig. 6 cyclone separator H types parallel configurations for the present invention and in the prior art.
A to F in Fig. 4,5,6 represents cyclone separator of the prior art, and X1To X6、Y1To Y12For in the present invention
Each cyclone separator.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
Embodiment 1, reference picture 1,2, a kind of double-deck cyclone separator rotation dust arrester in parallel, mainly by being coaxially disposed,
Each other there is cavity, the central cylinder 14 sealed off each other, middle cylinder 27, outer cylinder body 23 to constitute, this three
The bottom of body is cone structure and the cone distal end of middle cylinder 27 and outer cylinder body 23 is inside and outside underflow opening 10,24, this is interior,
Outer underflow opening 10,24 is connected by flange and ash exhauster 6；Cavity upper end between the middle cylinder 27 and outer cylinder body 23 is set
There is tangential entry 22；Several small cyclones separators 28 in bilayer be distributed in the cavity of middle cylinder 27, outer layer it is some
Cyclone separator is uniformly fixed on the inwall of middle cylinder 27 using the center of three cylinders as axle, several cyclonic separations of internal layer
Device is evenly distributed between outer layer cyclone separator and central cylinder 14；The junction of middle cylinder 27 and its underpart cone is affixed
There is bottom plate 11, air inlet annular distance 26 is left between the outer rim of the bottom plate 11 and the inwall of middle cylinder 27；Several described cyclonic separations
The bottom discharge of device 28 mouthful 9 be fixed on bottom plate 11 and and the bottom of middle cylinder 27 cone insertion；Several described small-sized rotations
The upper end of wind separator 28 is provided with air inlet 29, the inner chamber insertion of the air inlet 29 and middle cylinder 27；Several small-sized rotations
The outlet of the upper end of wind separator 28 passes through bend pipe 12 and the insertion of central cylinder 14；The top that the bend pipe 12 is placed at the top of outer cylinder body
Lid 13 is sealed, and outlet 15 is provided with the top cover 13.
The section and the angle of horizontal plane that the bend pipe 12 is exported are 90oTo 180oSo that pressure drop is uniformly distributed.
The ash exhauster 6 is made up of bed material groove 17, connection valve 19, U-tube 20；Described one end of bed material groove 17 with it is described
Inside and outside underflow opening 10,24 is connected by flange 16, and the other end is connected by connection valve 19 with U-tube 20, the U-tube 20 it is another
One end is sewage draining exit 21；The bottom of bed material groove 17 is provided with blowoff valve 18.
Embodiment 2, reference picture 1, the bed material groove 17 of the ash exhauster is connected by blow-off pipe 30 with central cylinder 14, solution
The certainly laying dust problem in central cylinder 14.Remaining be the same as Example 1.
The course of work of the present invention：Dust-contained airflow is tangentially entered between outer cylinder body 23 and middle cylinder 27 by tangential entry 22
The upper end of cavity, produces rotating flow, under the action of the centrifugal force, carries out first order separation.The coarse granule or drop isolated will
The cone inwall of the lower end of outer cylinder body 23 is fallen on, is discharged through outer underflow opening 24.The air-flow separated by the first order is through air inlet annular distance 26
Into the bottom of middle cylinder 27, then revolved respectively simultaneously from the air inlet 29 of some upper ends of small cyclones separator 28 in parallel
Rotate into each cyclone separator 28, rotating flow is produced in cyclone separator, carry out second level separation.After the separation of the second level
Air-flow is discharged to central tube 14 through bend pipe 12, and air-flow is collided in central tube 14, reunited, the fine particle for making part not trap
Grow up again, realize that the third level separates.Blow-off pipe 30, the drop generated after being separated through the third level are provided with the bottom of central tube 14
Bed material groove 17 is discharged to by blow-off pipe 30.Finally, under the suction function that outside applies, the air-flow in central tube 14 can be by going out
Mouth 15 enters discharge duct below.
Claims (4)
1. a kind of double-deck cyclone separator rotation dust arrester in parallel, it is characterised in that：Mainly have by being coaxially disposed, each other
The outer cylinder body for have cavity, sealing off each other（23）, middle cylinder（27）, central cylinder（14）Composition, three cylinder
Bottom is cone structure, and middle cylinder（27）And outer cylinder body（23）Cone distal end be inside and outside underflow opening（10、24）, should
Inside and outside underflow opening（10、24）Connected by flange and ash exhauster；The middle cylinder（27）With outer cylinder body（23）Between sky
Chamber upper end is provided with tangential entry（22）；Several small cyclones separators（28）Middle cylinder is distributed in bilayer（27）Cavity
Interior, several small cyclones separators of outer layer are uniformly fixed on middle cylinder using the center of three cylinders as axle（27）Inwall
On, several small cyclones separators of internal layer are evenly distributed on outer layer small cyclones separator and central cylinder（14）Between；
Middle cylinder（27）Bottom plate is connected with the junction of its underpart cone（11）, the bottom plate（11）Outer rim and middle cylinder（27）
Inwall between leave air inlet annular distance（26）；Several described small cyclones separators（28）Bottom discharge mouthful（9）It is fixed on bottom
Plate（11）Upper and and middle cylinder（27）The cone insertion of bottom；Several described small cyclones separators（28）Upper end be provided with
Air inlet（29）, the air inlet（29）And middle cylinder（27）Inner chamber insertion；Several small cyclones separators（28）On
The outlet at end passes through bend pipe（12）And central cylinder（14）Insertion, wherein the bend pipe of periphery stretches to cylinder axle center；The bend pipe
（12）The top cover being placed at the top of outer cylinder body（13）Sealing, the top cover（13）On be provided with outlet（15）.
2. a kind of double-deck cyclone separator rotation dust arrester in parallel according to claim 1, it is characterised in that：It is described curved
Pipe（12）The section of outlet and the angle of horizontal plane are 90oTo 180o。
3. a kind of double-deck cyclone separator rotation dust arrester in parallel according to claim 1, it is characterised in that：The row
Apparatus for ash is by bed material groove（17）, connection valve（19）, U-tube（20）Composition；The bed material groove（17）One end and the inside and outside underflow
Mouthful（10、24）Pass through flange（16）Connection, the other end passes through connection valve（19）With U-tube（20）Connection, the U-tube（20）It is another
One end is sewage draining exit（21）；Bed material groove（17）Bottom be provided with blowoff valve（18）.
4. a kind of double-deck cyclone separator rotation dust arrester in parallel according to claim 3, it is characterised in that：The row
The bed material groove of apparatus for ash（17）Pass through blow-off pipe（30）And central cylinder（14）Connection.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510356260.7A CN104888983B (en) | 2015-06-25 | 2015-06-25 | Double-deck cyclone separator rotation dust arrester in parallel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510356260.7A CN104888983B (en) | 2015-06-25 | 2015-06-25 | Double-deck cyclone separator rotation dust arrester in parallel |
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| CN104888983A CN104888983A (en) | 2015-09-09 |
| CN104888983B true CN104888983B (en) | 2017-10-03 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109231358B (en) * | 2018-11-26 | 2023-09-12 | 张芮滔 | Dense small hole cyclone nozzle separator |
| CN110980740A (en) * | 2019-11-01 | 2020-04-10 | 新疆东方希望新能源有限公司 | Trichlorosilane production process and production system |
| CN114225606B (en) * | 2020-09-09 | 2023-05-02 | 财团法人工业技术研究院 | Particulate trap system |
| CN112516949A (en) * | 2020-11-16 | 2021-03-19 | 南阳师范学院 | Reaction equipment with product separation function |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3822529A (en) * | 1970-09-29 | 1974-07-09 | R Kilian | Particle separation system |
| CN2038029U (en) * | 1988-11-24 | 1989-05-24 | 陈文君 | Dust separator |
| EP0595132A2 (en) * | 1992-10-28 | 1994-05-04 | Emtrol Corporation | Multi-stage cyclone separator system with intermediate manifold |
| CN2250815Y (en) * | 1995-10-20 | 1997-04-02 | 武汉冶金科技大学 | Efficient composite multi-pipe cyclone collector |
| CN1422187A (en) * | 2000-03-31 | 2003-06-04 | 戴森有限公司 | Apparatus for separating particles from a fluid flow |
| CN204746643U (en) * | 2015-06-25 | 2015-11-11 | 王博 | Rotatory parallelly connected dust collector of double -deck cyclone |
-
2015
- 2015-06-25 CN CN201510356260.7A patent/CN104888983B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3822529A (en) * | 1970-09-29 | 1974-07-09 | R Kilian | Particle separation system |
| CN2038029U (en) * | 1988-11-24 | 1989-05-24 | 陈文君 | Dust separator |
| EP0595132A2 (en) * | 1992-10-28 | 1994-05-04 | Emtrol Corporation | Multi-stage cyclone separator system with intermediate manifold |
| CN2250815Y (en) * | 1995-10-20 | 1997-04-02 | 武汉冶金科技大学 | Efficient composite multi-pipe cyclone collector |
| CN1422187A (en) * | 2000-03-31 | 2003-06-04 | 戴森有限公司 | Apparatus for separating particles from a fluid flow |
| CN204746643U (en) * | 2015-06-25 | 2015-11-11 | 王博 | Rotatory parallelly connected dust collector of double -deck cyclone |
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| CN104888983A (en) | 2015-09-09 |
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Effective date of registration: 20200131 Address after: 215600 room 319-320, building a, Zhangjiagang Economic Development Zone (city high tech entrepreneurship Service Center), Suzhou City, Jiangsu Province Patentee after: Suzhou cloud Environment Technology Co., Ltd Address before: 730000 room 15, building 2502, two branch, Lanzhou University, Gansu, Lanzhou Patentee before: Wang Bo |
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