CN106669982A - Foam scraping device for flotation column and flotation column - Google Patents
Foam scraping device for flotation column and flotation column Download PDFInfo
- Publication number
- CN106669982A CN106669982A CN201610446414.6A CN201610446414A CN106669982A CN 106669982 A CN106669982 A CN 106669982A CN 201610446414 A CN201610446414 A CN 201610446414A CN 106669982 A CN106669982 A CN 106669982A
- Authority
- CN
- China
- Prior art keywords
- flotation column
- foam
- skimming device
- scraping
- flotation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
- B03D1/1487—Means for cleaning or maintenance
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biotechnology (AREA)
- Degasification And Air Bubble Elimination (AREA)
Abstract
The invention relates to a foam scraping device for a flotation column and the flotation column. The foam scraping device comprises a foam scraping set with multiple foam scraping plates (5) and a supporting platform (2) used for mounting the foam scraping set onto the top of the flotation column (3) along the axis of the flotation column (3). The foam scraping plates (5) are each of a plate-like structure with the logarithmic-spiral-like side edge. The foam scraping plates (5) rotate with the logarithmic-spiral-like side edges as scanning edges along the axis of the flotation column (3) for dispelling foam in a foam dead region to move outwards in the radial direction; and each foam scraping plate rotates with the end, with the small curvature, of the logarithmic spiral as the center and rotates towards the curvature center of the logarithmic spiral. The flotation column is provided with the foam scraping device. By the adoption of the foam scraping device, the foam in the foam dead region generates outward acting force in the radial direction, the foam in the foam dead region can be removed in time, and the flotation efficiency is improved.
Description
Technical field
The present invention relates to floatable minerals equipment technical field, more particularly to a kind of float skimming device and flotation column of flotation column.
Background technology
It is more advantageous in fine grained and subparticle ore dressing that flotation column compares flotation device, therefore also more widely should
With.In Concentrating Field, with the increase and the raising that requires product quality of client of subparticle inventory, the application of flotation column
Also it is more and more important.It is excellent that flotation column has that small investment, floor space be few, energy consumption is low and subparticle material separating effect is beneficial etc.
Point.
Develop as preparation equipment maximizes, flotation column gradually develops to increase treating capacity to big cross section areaization, but
It is that flotation of the big cross section area to flotation column also brings some problems.Mainly foam can be formed in flotation column top center portion
Dead band.Foam dead band mostlys come from two aspects, is on one side that in terms of inflation performance, the maximization of flotation column is easily led
Cause inflation is uneven, and the foam overflow so in flotation column top center portion can form difficulty, so as to form foam dead band；Separately
On the one hand it is, because flotation column mineral Floatation Rate is high, good separation effect, to cause that froth bed is blocked up, overflow foam quantitative change is big, due to
Middle part foam gravity flow ability, therefore typically cannot flow out, so as to form foam dead band.
The foam dead band of flotation column cannot be spilt out in time due to middle part foam so that target mineral in flotation column repeatedly
Flotation, causes flotation energy consumption and cost, therefore solves the major issue that foam dead band is that flotation column keeps the large-scale development.
The content of the invention
In view of above-mentioned analysis, the present invention is intended to provide the float skimming device and flotation column of a kind of flotation column, the float skimming device
Active force radially can be produced to the foam in foam dead band, the foam for making foam dead band is excluded in time, improves flotation
Efficiency.
The purpose of the present invention is mainly achieved through the following technical solutions：One aspect of the present invention provides a kind of flotation
The float skimming device of post, including with it is multiple scrape bubble plate scrape bubble group and for the bubble group of scraping to be arranged on into floating along flotation mast axis
Select the supporting table of column top；Wherein the plurality of scraping steeps the platy structure that plate has logarithmic spiral-shaped for side, described to scrape bubble plate
With the side with logarithmic spiral-shaped to scan the rotation of edge flotation mast axis, to arrange the foam for catching up with foam dead band radially
Direction is moved, and wherein direction of rotation is centered on the less one end of the logatithmic spiral curvature, towards in the curvature of logatithmic spiral
The heart.
Further, the float skimming device also includes the drive link coaxial with flotation column, it is described scrape bubble plate be fixed on it is described
On drive link.
Further, the plurality of bubble plate of scraping is distributed uniformly and circumferentially on the drive link, and is ensured described many
The individual side scanning plane for scraping bubble plate is in same level.
The float skimming device also includes driving the plurality of motor for scraping bubble plate rotation, the motor to connect by drive link
It is the plurality of to scrape bubble plate.
Further, the bubble group of scraping is with scraping bubble plate described in four.
Further, the supporting table includes vertical portion and horizontal part, and the vertical portion is fixed on the wall of flotation column side, institute
State horizontal part and flatly fixation is supported by the vertical portion.
Further, the motor is fixed on the horizontal part upside, and described drive link one end is fixed on the horizontal part
Downside.
Further, the logatithmic spiral formula is：Wherein：α and k is constant,It is polar angle, ρ is pole
Footpath, e is the bottom of natural logrithm.
Another aspect of the present invention also provides a kind of flotation column, with above-mentioned float skimming device.
The present invention has the beneficial effect that：
The present invention scrapes the side of bubble plate and is designed with logarithmic spiral-shaped, when bubble plate rotary motion is scraped, with logatithmic spiral
Side carry out surface sweeping for scanning plane, when being contacted with foam, foam be subject to contact point tangent plane normal direction active force, by
In the particularity of logatithmic spiral, normal is directed to flotation column radially outward direction, so as to by foam to radially outward direction
Driven, so as to foam be scraped, it is to avoid foam dead band；In addition logarithmic spiral-shaped can cleverly be realized doing foam radially
Beeline motion is outer to be discharged to downflow weir, solves the problems, such as target mineral flotation repeatedly in flotation column, improves flotation efficiency.
Other features and advantages of the present invention will be illustrated in the following description, also, the partial change from description
Obtain it is clear that or being understood by implementing the present invention.The purpose of the present invention and other advantages can be by the explanations write
Specifically noted structure is realizing and obtain in book, claims and accompanying drawing.
Description of the drawings
Accompanying drawing is only used for illustrating the purpose of specific embodiment, and is not considered as limitation of the present invention, in whole accompanying drawing
In, identical reference markss represent identical part.
Fig. 1 is the front view of the float skimming device of the flotation column of embodiment；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is the top view of Fig. 1；
Wherein：1- motors, 2- supporting tables, 3- flotation columns, 4- downflow weirs, 5- scrapes bubble plate, 6- drive links.
Specific embodiment
Below in conjunction with the accompanying drawings specifically describing the preferred embodiments of the present invention, wherein, accompanying drawing constitutes the application part, and
It is used to together with embodiments of the present invention explain the principle of the present invention.
The embodiment of the present invention provides the float skimming device and the flotation column using the float skimming device of a kind of flotation column, such as Fig. 1
It is shown, to blow from the bottom of flotation column 3 and produce air flow swirl, mineral are moved in the presence of air flow swirl, and its Midst density is less
Target mineral float in the presence of gas, finally overflow from the top of flotation column 3, stream enters in downflow weir 4, then reaches point
Select the purpose of target mineral.Mineral Floatation Rate is too high to cause froth bed blocked up, flotation column core have some foams without
Method timely go out by overflow, forms foam dead band, and some target minerals are due to timely overflow going out to cause in flotation column
Inside flotation repeatedly, increases flotation cost and energy consumption.Therefore float skimming device is set on the top of flotation column, by the bubble in foam dead band
Foam is driven away, the float skimming device of flotation column as shown in Figure 1, Figure 2 and Figure 3, the float skimming device include supporting table 2, scrape bubble group,
Motor 1 and drive link 6.
Scraping bubble group includes scraping bubble plate 5, scrapes the bubble plate-like structure of plate 5, the side of bubble plate 5 is scraped in logarithmic spiral-shaped, wherein right
Number helicals formula be：Wherein：α and k is constant,It is polar angle, ρ is polar diameter, e is the bottom of natural logrithm, k
Can be 0.84-0.85, the size of α determines the intensity and rigidity of blade, the flotation column that its value is installed depending on the float skimming device
Diameter, typically take the 20%-25% of flotation column diameter, above-mentioned value is to obtain most by taking coal slime as an example in laboratory conditions
Excellent scope, but the specific values of k and α can fluctuate because of the situation of change of mineral and foam load capacity.Bubble plate 5 is scraped with right
The side of number spiral form is that scanning plane rotates along the axis of flotation column, and the side with logarithmic spiral-shaped is covered with rotation formation
The scanning plane of lid flotation column cross section, during with foam contacting active force is formed, and foam is driven, and direction of rotation is with logatithmic spiral
The less one end of curvature centered on, the direction to the center of curvature of logatithmic spiral rotates, scrape bubble plate 5 installation direction such as Fig. 3
Shown, its corresponding direction of rotation is counterclockwise.Due to the special shape of logarithmic spiral-shaped, the bubble in flotation column center foam dead band
Foam with scrape bubble plate 5 contact when, can be subject to scrape bubble plate 5 contact point tangent plane normal direction active force, normal direction sensing flotation
Post radially outward direction, so that foam is moved out along radially most short distance, so as to foam to be forced drive away, keeps away
Exempt from foam dead band, improve flotation efficiency.
Scrape bubble group can have it is multiple scrape bubble plate 5, when scrape bubble group have it is multiple scrape bubble plate 5 when, preferred mounting means is
Multiple bubble plates 5 of scraping are uniformly distributed along the axis of flotation column.As shown in figure 3, the bubble group of scraping of the embodiment of the present invention scrapes bubble with four
Plate 5, and the axis along flotation column is uniformly distributed, and ensure the scanning side of the side with logarithmic spiral-shaped in same level
On, it is ensured that when rotating, the scanning plane of formation is same level to multiple bubble plates 5 of scraping.
Scrape bubble plate 5 and driven by motor 1 and rotated, motor 1 drives the rotation for scraping bubble plate 5, motor 1 to consolidate by drive link 6
One end of drive link 6 is scheduled on, multiple scraping uniformly is fixed around drive link 6 in the other end of drive link and is steeped plate 5, such motor
1 drive drive link 6 is rotated, and drive link 6 drives the bubble plate 5 of scraping being fixed on drive link 6 to rotate.Motor 1 and drive link 6 can also
Replaced by other drive mechanisms well known in the art, as long as can realize that bubble plate rotation purpose is scraped in drive.
It is that the top of flotation column is fixed on by supporting table 2 to scrape bubble group, and supporting table 2 includes vertical portion and horizontal part, figure
1st, shown in Fig. 2 and Fig. 3, vertical portion is upright platy structure, is fixed on the side wall of flotation column, and the vertical portion is 2, symmetrically
Be fixed on the side wall of flotation column, horizontal part is strip board, and by described 2 vertical portion support levels are low flotation column is suspended on
Overhead, bubble group then will be scraped again and will be fixed on horizontal part, make to scrape bubble group and form hanging state with respect to flotation column.Specifically scrape bubble group to exist
The mode being fixed on horizontal part is that motor 1 is fixed on into the upside of horizontal part, one end of drive link 6 is fixed on horizontal
Downside.Certainly, vertical portion can also be more than two, and when vertical portion more than two, multiple vertical portions are evenly distributed in flotation
On the side wall of post, corresponding horizontal part is the platy structure that can be supported by all vertical portions.The structure of supporting table 2 can be by this
Other well known supporting constructions of field are substituted, as long as can reach support scrapes bubble group, and are suspended on the upper of flotation column by bubble group is scraped
Empty purpose.
In sum, the float skimming device and flotation column of a kind of flotation column are embodiments provided, wherein scraping bubble plate side
While being designed with logarithmic spiral-shaped, make foam radially outward direction and moved out with most short distance by rotation, it is right
The foam in foam dead band carries out positive mechanical and drives, so as to reduce the formation in foam dead band, it is to avoid target mineral is in flotation column
Inside flotation repeatedly, so as to improve flotation efficiency.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, the change or replacement that can be readily occurred in,
All should be included within the scope of the present invention.
Claims (9)
1. a kind of float skimming device of flotation column, it is characterised in that include with it is multiple scrape bubble plate (5) scrape bubble group and for by institute
State and scrape the supporting table (2) that bubble group is arranged at the top of flotation column (3) along flotation column (3) axis；Wherein it is the plurality of scrape bubble plate (5) be
Side has the platy structure of logarithmic spiral-shaped, and bubble plate (5) of scraping is floated with the side with logarithmic spiral-shaped to scan edge
Select post (3) axis to rotate, catch up with the foam in foam dead band to move in a radially outer direction to arrange, wherein direction of rotation is with described right
Centered on the less one end of number helical curvature, towards the center of curvature of logatithmic spiral.
2. the float skimming device of flotation column according to claim 1, it is characterised in that the float skimming device also includes and flotation column
(3) coaxial drive link (6), bubble plate (5) of scraping is fixed on the drive link (6).
3. the float skimming device of flotation column according to claim 2, it is characterised in that the plurality of to scrape bubble plate (5) circumferentially side
To being evenly distributed on the drive link (6), and ensure the plurality of side scanning plane for scraping bubble plate (5) in same level
On.
4. the float skimming device of flotation column according to claim 3, it is characterised in that the float skimming device also includes driving described
Multiple motors (1) for scraping bubble plate (5) rotation, the motor (1) connects the plurality of scraping and steeps plate (5) by drive link (6).
5. according to the float skimming device of the arbitrary flotation column of claim 1-4, it is characterised in that the bubble group of scraping is with four institutes
State and scrape bubble plate (5).
6. according to any one of claim 5 flotation column float skimming device, it is characterised in that the supporting table (2) is including perpendicular
Straight portion and horizontal part, the vertical portion is fixed on the wall of flotation column (3) side, and the horizontal part is flatly supported by the vertical portion
It is fixed.
7. the float skimming device of flotation column according to claim 6, it is characterised in that the motor (1) is fixed on the level
Portion upside, described drive link (6) one end is fixed on the horizontal part downside.
8. the float skimming device of flotation column according to claim 1, it is characterised in that the logatithmic spiral formula is：Wherein：α and k is constant,It is polar angle, ρ is polar diameter, and e is the bottom of natural logrithm.
9. a kind of flotation column, it is characterised in that the float skimming device with the flotation column as described in claim 1-8 is arbitrary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610446414.6A CN106669982B (en) | 2016-06-20 | 2016-06-20 | Froth scraping device of flotation column and flotation column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610446414.6A CN106669982B (en) | 2016-06-20 | 2016-06-20 | Froth scraping device of flotation column and flotation column |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106669982A true CN106669982A (en) | 2017-05-17 |
| CN106669982B CN106669982B (en) | 2019-12-06 |
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ID=58839781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610446414.6A Active CN106669982B (en) | 2016-06-20 | 2016-06-20 | Froth scraping device of flotation column and flotation column |
Country Status (1)
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| CN (1) | CN106669982B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107362912A (en) * | 2017-09-05 | 2017-11-21 | 北矿机电科技有限责任公司 | A kind of centrifugal float skimming device of flotation column |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5615853A (en) * | 1979-07-16 | 1981-02-16 | Shinko Fuaudoraa Kk | Scum scraper in circular floating apparatus |
| DE202004000569U1 (en) * | 2003-07-11 | 2004-03-18 | Nazaruk, Mieczyslaw | Waste water treatment basin sludge removal jets fixed to rotating gantry are directed at basin sidewalls above the surface, below the surface and basin floor |
| US20070289912A1 (en) * | 2004-03-12 | 2007-12-20 | Noram Engineering And Constructors Ltd. | Circular clarifier apparatus and method |
| CN201678501U (en) * | 2009-06-10 | 2010-12-22 | 北京中宇科博环保工程有限公司 | Automatic rake-lifting peripheral-transmission thickener |
| CN201862462U (en) * | 2010-06-13 | 2011-06-15 | 中国铝业股份有限公司 | Vertical screw-stirring ore-grinding and floating integrated device |
| CN201871398U (en) * | 2010-11-19 | 2011-06-22 | 攀枝花学院 | Wheel mill |
| CN202061718U (en) * | 2011-05-10 | 2011-12-07 | 李冠东 | Horizontal scraper of flotation column |
| CN202137054U (en) * | 2011-06-22 | 2012-02-08 | 李冠东 | Machine-column combined strengthened high-efficiency floatation column |
| CN202137055U (en) * | 2011-02-10 | 2012-02-08 | 昆明理工大学 | Oxidized ore flotation machine |
| CN203417499U (en) * | 2013-08-02 | 2014-02-05 | 海南宜净环保有限公司 | Hammer-carrier-type central transmission sludge scraper |
| CN203947113U (en) * | 2014-06-09 | 2014-11-19 | 广西南宁华鑫糖业技术有限责任公司 | A kind of band is scraped the syrup floating device of end device |
| CN204220304U (en) * | 2014-01-29 | 2015-03-25 | 山东东山王楼煤矿有限公司 | Flotation column flash chute |
| CN105127009A (en) * | 2015-08-26 | 2015-12-09 | 连云港龙塔研磨材料有限公司 | Flotation device and method for removing free carbon in silicon carbide powder |
-
2016
- 2016-06-20 CN CN201610446414.6A patent/CN106669982B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5615853A (en) * | 1979-07-16 | 1981-02-16 | Shinko Fuaudoraa Kk | Scum scraper in circular floating apparatus |
| DE202004000569U1 (en) * | 2003-07-11 | 2004-03-18 | Nazaruk, Mieczyslaw | Waste water treatment basin sludge removal jets fixed to rotating gantry are directed at basin sidewalls above the surface, below the surface and basin floor |
| US20070289912A1 (en) * | 2004-03-12 | 2007-12-20 | Noram Engineering And Constructors Ltd. | Circular clarifier apparatus and method |
| CN201678501U (en) * | 2009-06-10 | 2010-12-22 | 北京中宇科博环保工程有限公司 | Automatic rake-lifting peripheral-transmission thickener |
| CN201862462U (en) * | 2010-06-13 | 2011-06-15 | 中国铝业股份有限公司 | Vertical screw-stirring ore-grinding and floating integrated device |
| CN201871398U (en) * | 2010-11-19 | 2011-06-22 | 攀枝花学院 | Wheel mill |
| CN202137055U (en) * | 2011-02-10 | 2012-02-08 | 昆明理工大学 | Oxidized ore flotation machine |
| CN202061718U (en) * | 2011-05-10 | 2011-12-07 | 李冠东 | Horizontal scraper of flotation column |
| CN202137054U (en) * | 2011-06-22 | 2012-02-08 | 李冠东 | Machine-column combined strengthened high-efficiency floatation column |
| CN203417499U (en) * | 2013-08-02 | 2014-02-05 | 海南宜净环保有限公司 | Hammer-carrier-type central transmission sludge scraper |
| CN204220304U (en) * | 2014-01-29 | 2015-03-25 | 山东东山王楼煤矿有限公司 | Flotation column flash chute |
| CN203947113U (en) * | 2014-06-09 | 2014-11-19 | 广西南宁华鑫糖业技术有限责任公司 | A kind of band is scraped the syrup floating device of end device |
| CN105127009A (en) * | 2015-08-26 | 2015-12-09 | 连云港龙塔研磨材料有限公司 | Flotation device and method for removing free carbon in silicon carbide powder |
Non-Patent Citations (1)
| Title |
|---|
| 陈红等: "浅谈对数螺旋线", 《百度文库—教育专区—高中教育—数学—高一数学》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107362912A (en) * | 2017-09-05 | 2017-11-21 | 北矿机电科技有限责任公司 | A kind of centrifugal float skimming device of flotation column |
| CN107362912B (en) * | 2017-09-05 | 2023-10-31 | 北矿机电科技有限责任公司 | Centrifugal bubble scraping device of flotation column |
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|---|---|
| CN106669982B (en) | 2019-12-06 |
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