CN105381891B - Adjusting device for improving separation efficiency of hydrocyclone - Google Patents
Adjusting device for improving separation efficiency of hydrocyclone Download PDFInfo
- Publication number
- CN105381891B CN105381891B CN201510823235.5A CN201510823235A CN105381891B CN 105381891 B CN105381891 B CN 105381891B CN 201510823235 A CN201510823235 A CN 201510823235A CN 105381891 B CN105381891 B CN 105381891B
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- Prior art keywords
- overflow
- hydrocyclone
- inner sleeve
- cyclone
- inlet
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C5/00—Apparatus in which the axial direction of the vortex is reversed
- B04C5/02—Construction of inlets by which the vortex flow is generated, e.g. tangential admission, the fluid flow being forced to follow a downward path by spirally wound bulkheads, or with slightly downwardly-directed tangential admission
- B04C5/04—Tangential inlets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C11/00—Accessories, e.g. safety or control devices, not otherwise provided for, e.g. regulators, valves in inlet or overflow ducting
Abstract
The invention provides an adjusting method and device for improving the separation efficiency of a hydrocyclone. The method and device mainly aim at solving the problem that separation efficiency is greatly reduced due to the fact that a hydrocyclone of a fixed size is used and can hardly adapt to the site condition of the handling capacity changes of the industries such as oil fields. The method is characterized by including the steps that a device capable of changing the area of an inlet of the hydrocyclone is installed on the inlet of the hydrocyclone, when the handling capacity in the process is low, the speed of the inlet is increased by reducing the area of the inlet of the hydrocyclone, and when the handling capacity in the process is high, the speed of the inlet is decreased by increasing the area of the inlet of the hydrocyclone, and therefore the efficient separation purpose can be achieved through the hydrocyclone under different handling capacity conditions. The device capable of changing the area of the inlet of the hydrocyclone is composed of an area adjusting assembly suitable for the inner shape of the inlet of the hydrocyclone and a power assembly, wherein the area adjusting assembly is arranged in the hydrocyclone and the power assembly is arranged outside the hydrocyclone.
Description
Technical field
The present invention relates to a kind of regulation for lifting cyclone separative efficiency being applied in hydrocyclone separation technology field
Method and device.
Background technology
At present, the Technical comparing of domestic hydrocyclone is ripe, obvious for the separating effect of profit, but is separating oil
All have a problem that during the medium such as water or solid-liquid：Flow（Treating capacity）Speed is little when too small, efficiency is low；Cut when flow is excessive
The effect cut makes particle in flow field diminish and cause to be not easily separate.So the flow curve of cyclone has an efficient flow
Area, although efficiency is very high, this high efficient district is narrow.The flow of the cyclone for such as designing is 4m3/ h, then this is high
Effect area is in 4 m3/ h is up and down in the range of about 20%.If in actual applications the treating capacity big city that diminishes or become reduces efficiency.Rotation
Stream device also in China has obtained certain application as a kind of separation equipment（Northeast Petroleum University（Former Daqing Petroleum Institute）First
After applied for multinomial technical patent, such as ZL98 2 11681.0, ZL01 2 79933.5, ZL01 2 77425.1, ZL2006 2
0021175.1st, ZL2009 2 0099307.6, ZL2010 1 0556583.8, ZL2012 1 0346843.8 etc.）.But with
On these cyclones will initially set the suitable treating capacity of the cyclone, when field condition is changeable, one in design
Denier does not reach set process value, and separative efficiency will be substantially reduced.
The content of the invention
The technical problem being previously mentioned in order to solve background technology, the invention provides a kind of be used for lifting cyclone separation
The control method and device of efficiency, can realize carrying out accommodation with live flow, so as to realize efficiently dividing for cyclone
It is that the operation at scene brings many convenient from property.
The technical scheme is that：The control method of this kind of lifting cyclone separative efficiency is:In the entrance of cyclone
A device that can change cyclone inlet area is installed in part, and when treating capacity is low, the area for reducing cyclone inlet comes
Entrance velocity is heightened, increases inlet area in turn to turn down entrance velocity when treating capacity Gao Shizai, so that not existing together
Cyclone can reach the purpose for efficiently separating in the case of reason amount；The device that cyclone inlet area can be changed by
The area adjusting part and Power Component two parts adaptable with the interior shape at cyclone inlet is constituted, wherein, area is adjusted
Section component is arranged on the inside of cyclone, and Power Component is arranged on the outside of cyclone.
It is applied in above-mentioned control method that the device of cyclone inlet area can be changed, it is unique in that：The dress
Put and be made up of overflow outer tube, overflow inner sleeve, a pair fan-shaped connection sheets and a pair of arc section catch；Wherein, overflow inner sleeve
Pipe is rotationally connected with overflow outer tube after seal is fixed, and the top of overflow inner sleeve can carry step-like projection,
The raised input as rotatory force；On the top of overflow outer tube, the part below the correspondence projection, if being marked with
Dry etching degree, to indicate when overflow inner sleeve rotates to different graduation positions, the arc section being connected with the overflow inner sleeve
The size of the respective area at cyclone inlet that catch is blocked；The orthodrome of a pair of arc section catch and a pair fan-shaped connection sheets
End is symmetrically fixed on overflow in 90 degree of vertical direction connections, the small arc-shaped end of a pair fan-shaped connection sheets along the axle center of overflow inner sleeve
On the outer wall of inner sleeve；On overflow outer tube correspondence overflow inner sleeve at the fixing end position of fan-shaped connection sheet, confession is provided with
The arcuate rotation groove that the fan-shaped connection sheet is inserted and horizontally rotated, the fan-shaped connection sheet is passed and connected after the arcuate rotation groove
Connect the arc section catch.
The present invention has the advantages that：Using the method for the invention and device, it is only necessary to existing cyclone
Apply by doing simple refit, separative efficiency is high, process Installation is convenient.The change of production at scene is suitable for, for different entrances
Flow obtains different regulations.Additionally, this kind of adjusting means small volume, is installed at cyclone inlet, it is several inside cyclone
It is not take up using space, the mechanism of driving device running also takes up room less outside cyclone；Cyclone is not affected
Normal mask work, can also help when flow is low cyclone lifted separative efficiency.In addition, the method for the invention can be applied
In multiple types cyclone, oil field production was both can be applicable to, other fields such as municipal and environment-friendly had been can be applicable to again, with considerable popularization
Application prospect.The invention by make cyclone using adjusting and reach a new high in the application of the industries such as oil field.
The method can be applicable to the separating treatment of immiscible other two-phase mediums of the industries such as oil, chemical industry, municipal and environment-friendly, and such as sewage takes off
Solid impurity process etc. in oil, sewage degassing, sewage.
The present invention obtains national " 863 Program " problem（2012AA061303）And institution of higher education of Ministry of Education doctor subject point is special
Item science fund subsidizes problem（Dictorial advisor's class, 20132322110002）Subsidy.
Description of the drawings：
Fig. 1 is the surface structure after the device that can change cyclone inlet area of the present invention is installed on cyclone
Schematic diagram.
Fig. 2 is the structural representation of the device that can change cyclone inlet area of the present invention.
Fig. 3 needs the repacking structural representation being changed to existing hydrocyclone structure when being using the present invention.
Fig. 4 is perspective view of the device that can change cyclone inlet area of the present invention inside cyclone.
Fig. 5 is overflow outer tube and overflow inner sleeve group in the device that can change cyclone inlet area of the present invention
Show the structural representation of some scales after conjunction.
Fig. 6 and Fig. 7 are respectively overflow inner sleeve in the device that can change cyclone inlet area of the present invention and drive
Arc section catch starts view and rotates done state schematic diagram to the rotation that Q directions rotate.
When Fig. 8 is not apply the method for the invention and device, the separative efficiency during changes in flow rate of conventional cyclone is bent
Line chart.
Fig. 9 is applied after the method for the invention and device, the efficiency curve of separation figure during changes in flow rate of cyclone.
1- cyclones tangential inlet in figure, 2- cyclones, 3- overflow outer tubes, 4- overflow inner sleeves, 5- sector connection sheets,
6- arc section catch.
Specific embodiment：
Below in conjunction with the accompanying drawings the invention will be further described：
The control method of this kind of lifting cyclone separative efficiency, concretely comprises the following steps:One is installed in the intake section of cyclone
The individual device that can change cyclone inlet area, when treating capacity is low, the area for reducing cyclone inlet is fast to heighten entrance
Degree, increases in turn inlet area to turn down entrance velocity, so that in the situation of different disposal amount when treating capacity Gao Shizai
Lower cyclone can reach the purpose for efficiently separating；The device that cyclone inlet area can be changed with cyclone by entering
Area adjusting part and Power Component two parts composition that interior shape at mouthful is adapted, wherein, area adjusting part is arranged
In the inside of cyclone, Power Component is arranged on the outside of cyclone.
It is below the scheme of a device that can change cyclone inlet area, such as to implement above-mentioned control method
Shown in Fig. 1 to Fig. 6, the device is by overflow outer tube 3, overflow inner sleeve 4, a pair fan-shaped connection sheets 5 and a pair of arc section gears
Piece 6 is constituted.Wherein, overflow inner sleeve 4 is rotationally connected with overflow outer tube 3 after seal fixation, overflow inner sleeve 4
Top can carry step-like projection, the raised input as rotatory force；In the top of overflow outer tube 3, correspondence institute
The part below projection is stated, some scales are marked with, it is and described to indicate when overflow inner sleeve rotates to different graduation positions
The size of the respective area at cyclone inlet that the arc section catch 6 that overflow inner sleeve is connected is blocked；A pair of arc section gears
Piece 6 is connected with the orthodrome end of a pair fan-shaped connection sheets 5 in 90 degree of vertical direction, the small arc-shaped end edge of a pair fan-shaped connection sheets 5
The axle center of overflow inner sleeve 4 is symmetrically fixed on the outer wall of overflow inner sleeve 4；Fan on the corresponding overflow inner sleeve 4 of overflow outer tube 3
At the fixing end position of shape connection sheet 5, the arcuate rotation groove for inserting and horizontally rotating for the fan-shaped connection sheet, institute are provided with
State fan-shaped connection sheet and pass and connect the arc section catch after the arcuate rotation groove.
This kind of method is exactly the entrance velocity that cyclone is adjusted by the size of device change inlet area, works as treating capacity
When low, speed is low, and by the area of device reduction cyclone inlet entrance velocity is heightened, and to reach efficient purpose, works as place
Reason amount Gao Shizai increases in turn inlet area to turn down entrance velocity to avoid shearing.The improvement of device of the present invention is first
It is to make overflow pipe be divided into overflow outer tube 3 and overflow inner sleeve 4, when using, needs are first transformed cyclone（Or set again
Meter processing）, as shown in figure 3, and then overflow outer tube is fixed in the endoporus of cyclone, such overflow inner sleeve is rotatable,
Overflow inner sleeve can be realized its rotation by actuating unit, and actuating unit can be real using belt, synchronous belt, gear etc.
It is existing.The device is designed to overflow pipe itself movably, drives internal mechanism component to provide possibility for external impetus assembly.In overflow
Sleeve pipe drives arc section catch to rotate together with when rotating, and realizes the change of two inlets formula inlet area.When treating capacity is low, overflow
The rotation of rotatable section of flow tube, as shown in Figure 6 and Figure 7, drives arc section catch to rotate to Q directions, due to now arc section catch
A part of space of entrance is blocked, the flow channel space that mixed liquor is entered narrows, therefore reduces inlet area, so as to be lifted simultaneously
Entrance velocity is stabilized, more preferable cyclonic separation is realized.Into flow it is lower, need arc section catch rotate angle get over
Greatly, reaching preferable effect.Fig. 7 is that a kind of arc section catch rotation of the adjusting means of lifting cyclone separative efficiency is certain
Structural representation after angle.
The design of the arc section catch part of the conceptual design of this kind of device that can change cyclone inlet area, is to adopt
It is that the connection sheet of vortex chamber upper wall surface is close to come complete by two panels with rotatable section of the connection of the catch at two inlet tubes and overflow pipe
Into, it is such design do not affect mixed liquor to enter into after vortex chamber rotating separation, also enable overflow pipe rotate when simultaneously
Make two connection sheets also rotate to drive the catch mechanism of both sides, that is, realize synchronously, also to twist；At inlet tube
Catch mechanism have substantially no effect on mixed liquor and normally enter cyclone.
Overflow outer tube is fixed on being connected with overflow inner sleeve by mobilizable seal member.Overflow outer tube with
Overflow inner sleeve pipe surface can be carved with scale, and when overflow inner sleeve rotates to different graduation positions, as catch mechanism blocks
Corresponding size, such as Fig. 5 is a kind of adjusting means overflow pipe scale detail view of lifting cyclone separative efficiency.The present invention
Methods described has the advantages that to allow that the high efficient district of cyclone separative efficiency is wider, device is simple, it is good realize etc. prominent, can be used to cut
To the cyclone of entry-type.It changes idea of traditional cyclone to changes in flow rate adaptability difference, with can be according to not
The function being adjusted with inlet flow rate, adapts to the change for the treatment of capacity in production application, to obtain efficient, metastable rotation
Stream process effect.Be directed to cyclone when flow is excessive or it is too small when all can cause separative efficiency decline this drawback, it is this
The control method for lifting cyclone separative efficiency changes entrance space realization for different flows is accordingly adjusted to by device
Different inlet areas, accomplishes that low discharge can also realize high efficiency；The normal mask work of cyclone is not affected simultaneously.This kind of side
Adjusting part is arranged on method the inside of cyclone, adapts to the interior shape of cyclone, function when needing, it is not necessary to when not
Affect to come liquid normally entrance and rotation, and Power Component is arranged on the outside of cyclone, nor affects on internal work.The method
Separative efficiency can be improved, is that the operation at scene brings convenience.Therefore say, this control method for lifting cyclone separative efficiency
And device will all play positive impetus to the raising of isolation technics and the further genralrlization application of hydrocyclone.Through
Research, normal cyclone flow changing curve as shown in figure 8, and using entrance control method of the present invention accordingly adjust into
Curve after open area is as shown in figure 9, high efficient district scope is substantially widened after adjustment.
Claims (1)
1. it is a kind of lifted cyclone separative efficiency adjusting means, it is characterised in that：The device is by overflow outer tube（3）, overflow
Inner sleeve（4）, a pair fan-shaped connection sheets（5）And a pair of arc section catch（6）Constitute；Wherein, overflow inner sleeve（4）By close
Sealing is rotationally connected with overflow outer tube after fixing（3）It is interior, overflow inner sleeve（4）Top can carry step-like projection, institute
State the raised input as rotatory force；In overflow outer tube（3）Top, correspondence it is described projection below part, be marked with
Some scales, to indicate when overflow inner sleeve rotates to different graduation positions, the circular arc being connected with the overflow inner sleeve
Section catch（6）The size of the respective area at cyclone inlet blocked；A pair of arc section catch（6）With a pair fan-shaped connection sheets
（5）Orthodrome end in the connection of 90 degree vertical direction, a pair of sector connection sheets（5）Small arc-shaped end along overflow inner sleeve（4）'s
Axle center is symmetrically fixed on overflow inner sleeve（4）Outer wall on；Overflow outer tube（3）Correspondence overflow inner sleeve（4）Upper fan-shaped connection
Piece（5）Fixing end position at, be provided with the arcuate rotation groove for inserting and horizontally rotating for the fan-shaped connection sheet, the fan
Shape connection sheet is passed and connects the arc section catch after the arcuate rotation groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510823235.5A CN105381891B (en) | 2015-11-24 | 2015-11-24 | Adjusting device for improving separation efficiency of hydrocyclone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510823235.5A CN105381891B (en) | 2015-11-24 | 2015-11-24 | Adjusting device for improving separation efficiency of hydrocyclone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105381891A CN105381891A (en) | 2016-03-09 |
| CN105381891B true CN105381891B (en) | 2017-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510823235.5A Active CN105381891B (en) | 2015-11-24 | 2015-11-24 | Adjusting device for improving separation efficiency of hydrocyclone |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107971150B (en) * | 2017-11-22 | 2019-08-23 | 东北石油大学 | A kind of wide flow adaptation range structure adjustable cyclone of axial-flow type |
| CN109607658B (en) * | 2018-12-30 | 2023-12-15 | 中海油能源发展股份有限公司安全环保分公司 | Cyclone air floatation device with adjustable cyclone strength and operation method |
| EP3705011B1 (en) * | 2019-03-05 | 2021-12-29 | Leonardo S.p.a. | Centrifugal separator of gas-liquid for electrochemical battery |
| CN111632753B (en) * | 2019-12-04 | 2022-03-11 | 石家庄金垦科技有限公司 | Elutriation magnetic separator |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60501546A (en) * | 1983-06-01 | 1985-09-19 | コノコ スペシャルティ プロダクツ インコーポレイティド | Overflow outlet for cyclone separator |
| GB9313614D0 (en) * | 1993-07-01 | 1993-08-18 | Serck Baker Ltd | Separation apparatus |
| CN2184490Y (en) * | 1994-04-08 | 1994-12-07 | 哈尔滨工业大学 | Adjustable whirlwind separator |
| CN2316033Y (en) * | 1997-11-18 | 1999-04-28 | 王兆伟 | Cyclone separator |
| GB2411369B (en) * | 2004-02-27 | 2007-02-14 | Dynamic Proc Solutions Ltd | Cyclone assembly and method for increasing or decreasing flow capacity of a cyclone separator in use |
| US8202415B2 (en) * | 2009-04-14 | 2012-06-19 | National Oilwell Varco, L.P. | Hydrocyclones for treating drilling fluid |
| DE102012004590A1 (en) * | 2012-03-07 | 2013-09-12 | Thyssenkrupp Uhde Gmbh | centrifugal |
| FR2988307B1 (en) * | 2012-03-26 | 2014-03-21 | Coutier Moulage Gen Ind | CYCLONE SEPARATOR |
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