CN103752426A - Online hydrocyclone regulating device based on overflow pipe - Google Patents
Online hydrocyclone regulating device based on overflow pipe Download PDFInfo
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- CN103752426A CN103752426A CN201410029141.6A CN201410029141A CN103752426A CN 103752426 A CN103752426 A CN 103752426A CN 201410029141 A CN201410029141 A CN 201410029141A CN 103752426 A CN103752426 A CN 103752426A
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Abstract
The invention discloses an online hydrocyclone regulating device based on an overflow pipe. According to the online hydrocyclone regulating device based on the overflow pipe disclosed by the invention, the periphery of the overflow pipe is connected in series with an upper overflow chamber and a lower cylinder body which are divided by a baffle, a blade device is installed in the overflow pipe, the flow field characteristics of a fluid in a hydrocyclone is influenced by controlling the insertion depth of the blade device in the overflow pipe, and then the product classification size or the product ash content of the hydrocyclone can be regulated on line. With the adoption of the online hydrocyclone regulating device, as the blade device is added into the overflow pipe, and the tangential and axial speeds, the turbulence intensity and the air column characteristics in the hydrocyclone are influenced by regulating the insertion depth of the blade device by virtue of a lead screw, the purpose of regulating structure parameters of the overflow pipe, a bottom flow mouth and the like to be same is fulfilled, and the purpose of regulating the product classification size or the product ash content on line is realized.
Description
Technical field
The present invention relates to a kind of classifying cyclone and cyclone separator, is a kind of cyclone on-line control device based on overflow pipe specifically.
Background technology
Cyclone is widely used in the separation of liquid non-homogeneous mixture because of the advantage such as simple in structure, equipment cost is low, disposal ability is large.When mixed liquor tangentially enters in cyclone from cyclone periphery, produce strong rotational shear turbulent motion, owing to having density (granularity) difference between variable grain, the sizes such as its suffered centrifugal force, gravity, fluid drag force are also different.The large particle of most of density (granularity), under the effect of centrifugal force and gravity, is thrown to eddy flow wall, by bottom head piece, discharges.The little particle rotation of most of density (granularity) is discharged through overflow pipe with bumpy flow on secondary after to a certain extent.Therefore, overflow pipe structure has important influence for cyclone sorting, grading effect.
Many scholars once did the research of adjusting overflow pipe structure, patent announcement number be CN 203124134 U's " a kind of novel adjustable concentric double overflow tubular type three products hydraulic rotational flow device ", it can regulate according to the difference of operating mode the size of medial and lateral overfall tube diameter, and inside and outside overflow pipe inserts the length of cylindrical shell, thereby partition size and the efficiency of separation of cyclone have been improved.Patent announcement number be CN 203124133 U's " heavy medium cyclone of online adjustable overflow pipe ", utilize hydraulic power to drive overflow pipe to carry out depth location adjusting, can adjust in real time according to demand the heavy medium cyclone of the online adjustable overflow pipe of separating density.Above two kinds of methods can realize the adjustable online of cyclone overflow pipe insertion depth, but they but do not regulate the flow regime of overflow pipe internal flow.
Patent publication No. be CN 101474599A's " a kind of eddy flow and jet inflation method and device thereof ", utilize the hybrid blade parallel with overflow pipe central axis to become four bursts of flow of slurry from overflow pipe rotation ore pulp force-splitting out, make it be involved in air and strongly mix with air, form gas-liquid-solid three-phase mixed flow, and carry a large amount of kinetic energy and enter jet pipe.The remaining kinetic energy that makes full use of cyclone overflow has been realized jet, saves energy of the impinging jet.Though this device has changed the liquid form of overflow pipe inner fluid, can not realize adjustable continuously to this process.
Patent announcement number is the one " adjustable hydraulic swirler " of CN 2628149Y, utilize adjusting rod and cone governor in cyclone, to move up and down to regulate the split ratio of cyclone, the flow velocity that has simultaneously changed charging in each runner, makes cyclone be applicable to the separation classification process of various particles.This cyclone is that the fluid in cyclone is flowed and carries out continuously regulating and changing its split ratio, and fluid in overflow pipe flow still do not realize continuously adjustable.
Summary of the invention
The defect existing in order to overcome above-mentioned prior art, the invention provides a kind of simple to operate, cyclone on-line control device based on overflow pipe that efficiency is high.By this, install under cyclone normal running conditions, the effectively distribution of the size of on-line control overflow pipe flow section, change cyclone interior flow field and speed, especially improve the Bed for Fine Coal separating effect of 0-3mm, realized the adjustable online of cleans ash and productive rate.
The present invention can reach by following measures:
A kind of cyclone on-line control device based on overflow pipe, it is characterized in that: described overflow pipe periphery is serially connected with the epimere overflow chamber of baffle for separating and hypomere cylindrical shell, and blading is installed in overflow pipe, by the control of the insertion depth in overflow pipe to blading, and then affect the flow field characteristic of cyclone internal flow, realize the on-line control to cyclone grading granularity or product ash content;
Described blading is to consist of more than three or three blades, and vertical direction is parallel with central axis, and blade pitch angle α is 0-90 °, and between every adjacent blades, interval is identical.
In technique scheme, the upper end of described blading is connected with leading screw, and by the insertion depth of rotation hand wheel adjusting vane device in overflow pipe; The diameter of overflow chamber's outlet that described overflow chamber arranges is greater than the diameter of overflow pipe; The feeding mouth arranging on described hypomere cylindrical shell is the tangential feeding mouth of rectangle; On described hypomere cylindrical shell, be provided with the tangential feeding mouth of rectangle; The adjustable range of described blading insertion depth is the upper end of overflow pipe bottom to overflow pipe.
Realize the online tunable arrangement of a kind of cyclone based on overflow pipe that the present invention is above-mentioned provided, compared with prior art, can realize under cyclone normal running conditions, effectively on-line control overflow pipe size, change cyclone interior flow field and distribute, realize the head coal product of on-line continuous acquisition different grain size and ash content.And manpower and material resources have greatly been saved.
Accompanying drawing explanation
Fig. 1 is the structural representation that the present invention is based on the online tunable arrangement of cyclone of overflow pipe.
Fig. 2 is the structural representation of the individual blade of Fig. 1.
In figure: 1: adjusting handle; 2: regulate support; 3: overflow chamber; 4: adpting flange I; 5: feeding mouth; 6: cylindrical shell; 7: adpting flange II; 8: cone section; 9: overflow chamber's outlet; 10: leading screw; 11: overflow pipe; 12: blading.
α: blade pitch angle.
The specific embodiment
Above-mentioned the provided a kind of cyclone on-line control device based on overflow pipe of the present invention is provided, its agent structure is in the periphery of overflow pipe 11, to be serially connected with epimere overflow chamber 3 and the hypomere cylindrical shell 6 with dividing plate 11, separated, and blading 12 is installed in overflow pipe 11, by the control of the insertion depth in overflow pipe to blading 12, and then affect the flow field characteristic of cyclone internal flow, realize the on-line control to cyclone grading granularity or product ash content.
While stating technical scheme on the implementation, blading 12 is at least to arrange three, or three above blades formation bladings 12 are set, and vertical direction is parallel with central axis, the inclined angle alpha of blade be set between 0-90 ° all can, and the interval between every adjacent blades is identical.
While stating technical scheme on the implementation, the upper end of blading 12 is connected to leading screw 10, and can pass through the insertion depth of rotation hand wheel 1 adjusting vane device 12 in overflow pipe 11, and then affect the flow field characteristic of cyclone internal flow, realize the on-line control to cyclone grading granularity or product ash content.
While stating technical scheme on the implementation, the diameter of overflow chamber's outlet 9 of overflow chamber 3 is set to be greater than the diameter of overflow pipe 11, can effectively improve the production efficiency of cyclone on-line control device.
While stating technical scheme on the implementation, the feeding mouth on hypomere cylindrical shell 65 is set to the tangential feeding mouth 5 of rectangle, can effectively improves the on-line control productive rate of cyclone grading granularity or product ash content.
While stating technical scheme on the implementation, the adjustable range that realization arranges the insertion depth of blading 12 is the upper ends of overflow pipe 11 bottoms to overflow pipe 11, in normal working conditions, the effectively distribution of the size of on-line control overflow pipe flow section, change cyclone interior flow field and speed, especially improve the Bed for Fine Coal separating effect of 0-3mm, realized the adjustable online of cleans ash and productive rate.
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is further illustrated.
As described in Figure 1, above-mentioned the provided a kind of cyclone on-line control device based on overflow pipe of the present invention is provided, structure arranges mainly and consists of feeding mouth 5, cylindrical shell 6, cone section 8, overflow pipe 11, overflow chamber 3 and overflow regulator etc., its main body formation is first to arrange cylindrical tube 6, cylindrical shell 6 upper ends are provided with the tangential feeding mouth 5 of rectangle, or the feeding mouth of other planform, professional and technical personnel all can implement as the case may be; Cylindrical shell 6 tops are connected with overflow chamber 3 by adpting flange 4, the inside of cylindrical shell 6 be provided with one with the overflow pipe 11 of cylindrical shell 6 concentrics, and in overflow pipe 11, there is the blading 12 through hardness processing, the top of blading 12 is connected with leading screw 10, leading screw 10 and handwheel 1 are by regulating support 2 to support fixing, and by handwheel 1 and leading screw 10 adjusting vane devices 12 insertion depth in overflow pipe 11 inside, make the flow regime of cyclone inner fluid realize adjustable continuously on a large scale, thereby find the best operating point that is applicable to cyclone under this operating mode.
Leading screw 10 of the present invention, main body is provided with screw thread, and the upper end of lower end and blading 12 is connected to a fixed, and by the installation that is connected of upper end support 2 and adjusting handle 1.Described adjusting handle 1 can, by manual operation, also can make its rotation by devices such as hydraulic systems, thereby adjusting screw 10 and the insertion depth of blading 12 in overflow pipe be implemented cyclone on-line control.
A kind of cyclone on-line control device based on overflow pipe that the invention described above is implemented to state, simple to operate, efficiency is high, by this, install under cyclone normal running conditions, effectively on-line control the size of overflow pipe flow section, changed the distribution of cyclone interior flow field and speed, especially improve the Bed for Fine Coal separating effect of 0-3mm, realized the adjustable online of cleans ash and productive rate.
Claims (5)
1. the cyclone on-line control device based on overflow pipe, it is characterized in that: described overflow pipe (11) periphery is serially connected with epimere overflow chamber (3) and the hypomere cylindrical shell (6) with dividing plate (11), separated, and blading (12) is installed in overflow pipe (11), by to blading (12) insertion depth control in overflow pipe, and then affect the flow field characteristic of cyclone internal flow, realize the on-line control to cyclone grading granularity or product ash content;
Described blading (12) is to consist of more than three or three blades, and vertical direction is parallel with central axis, and blade pitch angle α is 0-90 °, and between every adjacent blades, interval is identical.
2. according to a kind of cyclone on-line control device based on overflow pipe described in claims 1, it is characterized in that: the upper end of described blading (12) is connected with leading screw (10), and by the insertion depth of rotation hand wheel (1) adjusting vane device (12) in overflow pipe (11).
3. according to a kind of cyclone on-line control device based on overflow pipe described in claims 1, it is characterized in that: the diameter of overflow chamber's outlet (9) that described overflow chamber (3) arrange is greater than the diameter of overflow pipe (11).
4. according to a kind of cyclone on-line control device based on overflow pipe described in claims 1, it is characterized in that: the upper feeding mouth (5) arranging of described hypomere cylindrical shell (6) is the tangential feeding mouth of rectangle.
5. according to a kind of cyclone on-line control device based on overflow pipe described in claims 1, it is characterized in that: the adjustable range of described blading (12) insertion depth is the upper end of overflow pipe (11) bottom to overflow pipe (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410029141.6A CN103752426B (en) | 2014-01-22 | 2014-01-22 | Cyclone on-line control device based on overflow pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410029141.6A CN103752426B (en) | 2014-01-22 | 2014-01-22 | Cyclone on-line control device based on overflow pipe |
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| CN103752426A true CN103752426A (en) | 2014-04-30 |
| CN103752426B CN103752426B (en) | 2016-11-09 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104959220B (en) * | 2015-08-04 | 2017-06-16 | 北京国华科技集团有限公司 | Can two sections of methods of separating density of on-line control three products heavy medium cyclone |
| CN106944268A (en) * | 2017-03-21 | 2017-07-14 | 东北石油大学 | A kind of overflow pipe automatic diameter changing formula cyclone separation device |
| CN109200945A (en) * | 2018-09-30 | 2019-01-15 | 上海成源精密机械制造有限公司 | A kind of method of water cyclone and sulfur prilling |
| CN109277212A (en) * | 2018-11-25 | 2019-01-29 | 威海市海王旋流器有限公司 | A kind of one section of underflow discharge device of three-product cyclone with on-line control function |
| CN110404696A (en) * | 2019-08-05 | 2019-11-05 | 威海市海王旋流器有限公司 | A kind of overflow adjustable hydrocyclone online |
| CN111589595A (en) * | 2020-05-18 | 2020-08-28 | 天地（唐山）矿业科技有限公司 | Swirler backpressure online adjusting device |
| CN113842679A (en) * | 2021-10-20 | 2021-12-28 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Gas-liquid separator with adjustable discharge flow |
| CN117085866A (en) * | 2023-10-17 | 2023-11-21 | 太原理工大学 | Multifunctional fusiform cyclone |
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| CN202039046U (en) * | 2011-02-27 | 2011-11-16 | 文闯 | Natural gas supersonic velocity direct expansion and cyclone separation device |
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Patent Citations (6)
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| US5466372A (en) * | 1993-03-26 | 1995-11-14 | J. M. Voith Gmbh | Cyclone including an inlet diffuser tube |
| CN1353591A (en) * | 1999-04-23 | 2002-06-12 | Lg电子株式会社 | Device for reducing pressure loss of cyclone dust collector |
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| DE102009016045A1 (en) * | 2009-04-02 | 2010-10-07 | Linde Aktiengesellschaft | Flux guiding device for immersion pipe of cyclone filter, has multiple flux guiding blades which have flat upper section that lies in longitudinal section plane of immersion pipe |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104959220B (en) * | 2015-08-04 | 2017-06-16 | 北京国华科技集团有限公司 | Can two sections of methods of separating density of on-line control three products heavy medium cyclone |
| CN106944268A (en) * | 2017-03-21 | 2017-07-14 | 东北石油大学 | A kind of overflow pipe automatic diameter changing formula cyclone separation device |
| CN106944268B (en) * | 2017-03-21 | 2018-12-11 | 东北石油大学 | A kind of overflow pipe automatic diameter changing formula cyclone separation device |
| CN109200945A (en) * | 2018-09-30 | 2019-01-15 | 上海成源精密机械制造有限公司 | A kind of method of water cyclone and sulfur prilling |
| CN109277212A (en) * | 2018-11-25 | 2019-01-29 | 威海市海王旋流器有限公司 | A kind of one section of underflow discharge device of three-product cyclone with on-line control function |
| CN110404696A (en) * | 2019-08-05 | 2019-11-05 | 威海市海王旋流器有限公司 | A kind of overflow adjustable hydrocyclone online |
| CN111589595A (en) * | 2020-05-18 | 2020-08-28 | 天地（唐山）矿业科技有限公司 | Swirler backpressure online adjusting device |
| CN113842679A (en) * | 2021-10-20 | 2021-12-28 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Gas-liquid separator with adjustable discharge flow |
| CN117085866A (en) * | 2023-10-17 | 2023-11-21 | 太原理工大学 | Multifunctional fusiform cyclone |
| CN117085866B (en) * | 2023-10-17 | 2024-01-30 | 太原理工大学 | Multifunctional fusiform cyclone |
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| CN103752426B (en) | 2016-11-09 |
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