CN105381891A - Adjusting method and device for improving separation efficiency of hydrocyclone - Google Patents
Adjusting method and device for improving separation efficiency of hydrocyclone Download PDFInfo
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- CN105381891A CN105381891A CN201510823235.5A CN201510823235A CN105381891A CN 105381891 A CN105381891 A CN 105381891A CN 201510823235 A CN201510823235 A CN 201510823235A CN 105381891 A CN105381891 A CN 105381891A
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- cyclone
- overflow
- inner sleeve
- hydrocyclone
- area
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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
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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
- B04C11/00—Accessories, e.g. safety or control devices, not otherwise provided for, e.g. regulators, valves in inlet or overflow ducting
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Cyclones (AREA)
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 and be a kind ofly applied to control method and the device that being used in hydrocyclone separation technology field promotes cyclone separative efficiency.
Background technology
At present, the Technical comparing of domestic hydrocyclone is ripe, and the separating effect for profit is obvious, but all there is a problem when the medium such as oil-water separation or solid-liquid: flow (treating capacity) too small hourly velocity is little, efficiency is low; The effect of shearing when flow is excessive makes particle in flow field diminish and causes being not easy to be separated.So the flow curve of cyclone has an efficient flow district, although efficiency is very high, this efficient district is narrow.The flow of the cyclone such as designed is 4m
3/ h, so this efficient district is at 4m
3/ h is up and down in about 20% scope.If treating capacity diminishes or becomes big city and makes efficiency reduce in actual applications.Cyclone also obtains certain application (Northeast Petroleum University (former Daqing Petroleum Institute) has successively applied for multinomial technical patent, as ZL98211681.0, ZL01279933.5, ZL01277425.1, ZL200620021175.1, ZL200920099307.6, ZL201010556583.8, ZL201210346843.8 etc.) in China as a kind of separation equipment.But these above cyclones will set the applicable treating capacity of this cyclone at first what design, and when field condition is changeable, once not reach set process value, separative efficiency will reduce greatly.
Summary of the invention
In order to solve the technical problem mentioned in background technology, the invention provides a kind of control method and the device that are used for promoting cyclone separative efficiency, can realize carrying out accommodation with on-the-spot flow, thus realize the efficient separation property of cyclone, the operation for scene brings a lot of convenience.
Technical scheme of the present invention is: the control method of this kind of lifting cyclone separative efficiency is: install at the intake section of cyclone the device that can change cyclone inlet area, when treating capacity is low, the area reducing cyclone inlet heightens entrance velocity, when treating capacity Gao Shizai increases inlet area conversely to turn down entrance velocity, thus make the cyclone when different disposal amount all can reach the efficient object be separated; The area adjusting part that the described device that can change cyclone inlet area is adapted by the interior shape with cyclone inlet place and Power Component two parts form, wherein, area adjusting part is arranged on the inside of cyclone, and Power Component is arranged on the outside of cyclone.
Be applied to the device that can change cyclone inlet area in above-mentioned control method, its unique distinction is: this device is made up of overflow outer tube, overflow inner sleeve, a pair fan-shaped brace and a pair arc section catch; Wherein, be rotationally connected with in overflow outer tube after overflow inner sleeve is fixing by seal, the top of overflow inner sleeve can with step-like projection, and described projection is as the input of rotatory force; On the top of overflow outer tube, the part of corresponding described protruding below, be marked with some scales, to indicate when overflow inner sleeve rotates to different graduation position, the size of the respective area at the cyclone inlet place that the arc section catch be connected with described overflow inner sleeve blocks; A pair arc section catch is that 90 degree of vertical direction are connected with the orthodrome end of a pair fan-shaped brace, and the small arc-shaped end of a pair fan-shaped brace is fixed on the outer wall of overflow inner sleeve along the axle center symmetry of overflow inner sleeve; The stiff end position place of fan-shaped brace on the corresponding overflow inner sleeve of overflow outer tube, have and insert and the arcuate rotation groove horizontally rotated for described fan-shaped brace, described fan-shaped brace connects described arc section catch after passing described arcuate rotation groove.
The present invention has following beneficial effect: utilize the method for the invention and device, and only needing to do simple refit to existing cyclone can apply, and separative efficiency is high, process Installation is convenient.On-the-spot change of production can be adapted to, obtain different adjustments for different inlet flow rate.In addition, this kind of adjusting device volume is little, is installed on cyclone inlet place, takies hardly can utilize space in cyclone inside, also takes up room less in the mechanism of the outside driving device running of cyclone; Do not affect the normal separation work of cyclone, cyclone also can be helped when flow is low to promote separative efficiency.In addition, the method for the invention can be applicable to multiple types cyclone, both can be applicable to field produces, can be applicable to other fields such as municipal and environment-friendly again, has considerable popularizing application prospect.This invention will make the adjustment in use of cyclone 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 other two-phase medium that do not dissolve each other of the industries such as oil, chemical industry, municipal and environment-friendly, solid impurity process etc. in as degassed in deoiling of wastewater, sewage, sewage.
The present invention obtains the subsidy of country's " 863 Program " problem (2012AA061303) and special science fund subsidy problem (dictorial advisor's class, 20132322110002) of institution of higher education of Ministry of Education doctor subject point.
Accompanying drawing illustrates:
Fig. 1 is that the device that can change cyclone inlet area of the present invention is installed on the surface structure schematic diagram after on cyclone.
Fig. 2 is the structural representation that can change the device of cyclone inlet area of the present invention.
Fig. 3 needs the repacking structural representation changed existing hydrocyclone structure when being and applying of the present invention.
Fig. 4 is the perspective view of device in cyclone inside that can change cyclone inlet area of the present invention.
Fig. 5 is the structural representation that can change overflow outer tube and the some scales of the rear displaying of overflow inner sleeve combination in the device of cyclone inlet area of the present invention.
Fig. 6 and Fig. 7 is respectively of the present invention can change the rotation initial state schematic diagram and rotation done state schematic diagram that in the device of cyclone inlet area, overflow inner sleeve drive arc section catch rotates to Q direction.
Fig. 8 is when not applying the method for the invention and device, the efficiency curve of separation figure during changes in flow rate of conventional cyclone.
Fig. 9 is after application the method for the invention and device, the efficiency curve of separation figure during changes in flow rate of cyclone.
1-cyclone tangential inlet in figure, 2-cyclone, 3-overflow outer tube, 4-overflow inner sleeve, the fan-shaped brace of 5-, 6-arc section catch.
Detailed description of the invention:
Below in conjunction with accompanying drawing, the invention will be further described:
The control method of this kind of lifting cyclone separative efficiency, concrete steps are: install at the intake section of cyclone the device that can change cyclone inlet area, when treating capacity is low, the area reducing cyclone inlet heightens entrance velocity, when treating capacity Gao Shizai increases inlet area conversely to turn down entrance velocity, thus make the cyclone when different disposal amount all can reach the efficient object be separated; The area adjusting part that the described device that can change cyclone inlet area is adapted by the interior shape with cyclone inlet place and Power Component two parts form, wherein, area adjusting part is arranged on the inside of cyclone, and Power Component is arranged on the outside of cyclone.
In order to implement above-mentioned control method, here is a scheme that can change the device of cyclone inlet area, and as shown in Figures 1 to 6, this device is made up of overflow outer tube 3, overflow inner sleeve 4, a pair fan-shaped brace 5 and a pair arc section catch 6.Wherein, be rotationally connected with in overflow outer tube 3 after overflow inner sleeve 4 is fixing by seal, the top of overflow inner sleeve 4 can with step-like projection, and described projection is as the input of rotatory force; On the top of overflow outer tube 3, the part of corresponding described protruding below, be marked with some scales, to indicate when overflow inner sleeve rotates to different graduation position, the size of the respective area at the cyclone inlet place that the arc section catch 6 be connected with described overflow inner sleeve blocks; A pair arc section catch 6 is that 90 degree of vertical direction are connected with the orthodrome end of a pair fan-shaped brace 5, and the small arc-shaped end of a pair fan-shaped brace 5 is fixed on the outer wall of overflow inner sleeve 4 along the axle center symmetry of overflow inner sleeve 4; The stiff end position place of fan-shaped brace 5 on overflow outer tube 3 corresponding overflow inner sleeve 4, have and insert and the arcuate rotation groove horizontally rotated for described fan-shaped brace, described fan-shaped brace connects described arc section catch after passing described arcuate rotation groove.
This kind of method is exactly the entrance velocity being regulated cyclone by the size of device change inlet area, when treating capacity is low, speed is low, the area being reduced cyclone inlet by device heightens entrance velocity, to reach efficient object, when treating capacity Gao Shizai increases inlet area conversely to turn down entrance velocity to avoid shearing.First the improvement of device of the present invention is make overflow pipe be divided into overflow outer tube 3 and overflow inner sleeve 4, during use, need first to transform (or redesigning processing) cyclone, as shown in Figure 3, then overflow outer tube is fixed in the endoporus of cyclone, such overflow inner sleeve is rotatable, and overflow inner sleeve can be realized its rotation by actuating unit, and actuating unit can utilize the realizations such as belt, synchronous belt, gear.This apparatus design becomes overflow pipe self movable, for external impetus assembly drives internal mechanism assembly to provide possibility.Overflow inner sleeve drives arc section catch together to rotate when rotating, realize the change of two inlets formula inlet area.When treating capacity is low, the rotation of rotatable section of overflow pipe, as shown in Figure 6 and Figure 7, arc section catch is driven to rotate to Q direction, because now arc section catch has blocked a part of space of entrance, the flow channel space that mixed liquor enters narrows, because this reducing inlet area, thus promote and stabilize entrance velocity, achieve better cyclonic separation.The flow entered is lower, and the angle needing arc section catch to rotate is larger, to reach good effect.Fig. 7 is the structural representation after a kind of arc section catch promoting the adjusting device of cyclone separative efficiency rotates to an angle.
This kind of design that can change the arc section catch part of the conceptual design of the device of cyclone inlet area, the brace that to be the catch at employing two inlet tube place and the connection of rotatable section of overflow pipe be is close to eddy flow chamber upper wall surface by two panels has come, such design do not affect mixed liquor enter into eddy flow chamber after rotating separation, also enable overflow pipe make two braces also rotate when rotating simultaneously and drive the catch mechanism of both sides, namely realize synchronous, also can not twist; The catch mechanism at inlet tube place does not substantially affect mixed liquor and normally enters cyclone.
Overflow outer tube is fixed by mobilizable seal member on being connected with overflow inner sleeve.Scale can be carved with at overflow outer tube and overflow inner sleeve surface, when overflow inner sleeve rotates to different graduation position, be catch mechanism and blocked corresponding size, if Fig. 5 is a kind of adjusting device overflow pipe scale detail view promoting cyclone separative efficiency.The method of the invention has allows the efficient district of cyclone separative efficiency is wider, device is simple and easy, the outstanding advantage such as to realize well, can be used for the cyclone of tangential-inlet-type.It changes the idea of traditional cyclone to changes in flow rate adaptive capacity difference, has and can carry out according to different inlet flow rate the function that regulates, adapt to the change for the treatment of capacity in production application, to obtain efficient, metastable eddy flow treatment effect.Be directed to cyclone when flow excessive or too small time separative efficiency all can be caused to decline this drawback, the control method of this lifting cyclone separative efficiency changes entrance space by device and realizes being adjusted to different inlet areas for different flows is corresponding, accomplishes that low discharge also can realize high efficiency; Do not affect the normal mask work of cyclone simultaneously.Adjusting part is arranged on the inside of cyclone by this kind of method, adapts to the interior shape of cyclone, plays function, do not affect liquid and enter normally and rotate, and Power Component is arranged on the outside of cyclone, does not also affect internal work when not needing when needing.The method can improve separative efficiency, for the operation at scene brings convenience.Therefore say, the control method of this lifting cyclone separative efficiency and the further genralrlization application of device to the raising of isolation technics and hydrocyclone all will play positive impetus.Through research, normal cyclone flow changing curve as shown in Figure 8, and utilizes the curve after the corresponding adjustment inlet area of entrance control method of the present invention as shown in Figure 9, and efficient district scope is obviously widened after adjustment.
Claims (2)
1. one kind promotes the control method of cyclone separative efficiency, the method is: install at the intake section of cyclone the device that can change cyclone inlet area, when PROCESS FOR TREATMENT amount is low, the area reducing cyclone inlet heightens entrance velocity, when PROCESS FOR TREATMENT amount Gao Shizai increases inlet area conversely to turn down entrance velocity, thus make the cyclone when different disposal amount all can reach the efficient object be separated; The area adjusting part that the described device that can change cyclone inlet area is adapted by the interior shape with cyclone inlet place and Power Component two parts form, wherein, area adjusting part is arranged on the inside of cyclone, and Power Component is arranged on the outside of cyclone.
2. for implementing the claims the device that can change cyclone inlet area of control method described in 1, it is characterized in that: this device is made up of overflow outer tube (3), overflow inner sleeve (4), a pair fan-shaped brace (5) and a pair arc section catch (6); Wherein, be rotationally connected with in overflow outer tube (3) after overflow inner sleeve (4) is fixing by seal, the top of overflow inner sleeve (4) can with step-like projection, and described projection is as the input of rotatory force; On the top of overflow outer tube (3), the part of corresponding described protruding below, be marked with some scales, to indicate when overflow inner sleeve rotates to different graduation position, the size of the respective area at the cyclone inlet place that the arc section catch (6) be connected with described overflow inner sleeve blocks; A pair arc section catch (6) is that 90 degree of vertical direction are connected with the orthodrome end of a pair fan-shaped brace (5), and the small arc-shaped end of a pair fan-shaped brace (5) is fixed on the outer wall of overflow inner sleeve (4) along the axle center symmetry of overflow inner sleeve (4); The stiff end position place of the upper fan-shaped brace (5) of overflow outer tube (3) corresponding overflow inner sleeve (4), have and insert and the arcuate rotation groove horizontally rotated for described fan-shaped brace, described fan-shaped brace connects described arc section catch after passing described 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 |
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| CN201510823235.5A CN105381891B (en) | 2015-11-24 | 2015-11-24 | Adjusting device for improving separation efficiency of hydrocyclone |
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| CN105381891A true CN105381891A (en) | 2016-03-09 |
| CN105381891B CN105381891B (en) | 2017-05-03 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107971150A (en) * | 2017-11-22 | 2018-05-01 | 东北石油大学 | A kind of wide flow accommodation structure adjustable cyclone of axial-flow type |
| CN109607658A (en) * | 2018-12-30 | 2019-04-12 | 中海油能源发展股份有限公司安全环保分公司 | A kind of adjustable cyclone air-flotation device of swirl strength and operating method |
| CN111632753A (en) * | 2019-12-04 | 2020-09-08 | 石家庄金垦科技有限公司 | Elutriation magnetic separator |
| EP3705011A1 (en) * | 2019-03-05 | 2020-09-09 | LEONARDO S.p.A. | Centrifugal separator of gas-liquid for electrochemical battery |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107971150A (en) * | 2017-11-22 | 2018-05-01 | 东北石油大学 | A kind of wide flow accommodation structure adjustable cyclone of axial-flow type |
| 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 |
| CN109607658A (en) * | 2018-12-30 | 2019-04-12 | 中海油能源发展股份有限公司安全环保分公司 | A kind of adjustable cyclone air-flotation device of swirl strength and operating method |
| 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 |
| EP3705011A1 (en) * | 2019-03-05 | 2020-09-09 | LEONARDO S.p.A. | Centrifugal separator of gas-liquid for electrochemical battery |
| US11135601B2 (en) | 2019-03-05 | 2021-10-05 | Leonardo S.P.A. | Centrifugal separator of gas—liquid for electrochemical battery |
| CN111632753A (en) * | 2019-12-04 | 2020-09-08 | 石家庄金垦科技有限公司 | Elutriation magnetic separator |
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| CN105381891B (en) | 2017-05-03 |
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