CN107952595A - A kind of more grade Mineral Classification devices - Google Patents
A kind of more grade Mineral Classification devices Download PDFInfo
- Publication number
- CN107952595A CN107952595A CN201711287901.3A CN201711287901A CN107952595A CN 107952595 A CN107952595 A CN 107952595A CN 201711287901 A CN201711287901 A CN 201711287901A CN 107952595 A CN107952595 A CN 107952595A
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- CN
- China
- Prior art keywords
- eddy flow
- flow column
- column
- grade mineral
- classification devices
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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
- B04C5/24—Multiple arrangement thereof
- B04C5/26—Multiple arrangement thereof for series flow
-
- 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
- B04C5/12—Construction of the overflow ducting, e.g. diffusing or spiral exits
Landscapes
- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
Abstract
The present invention discloses a kind of more grade Mineral Classification devices, it includes multiple cylindric eddy flow columns being arranged concentrically, and the eddy flow column outer wall of top is tangentially equipped with feed inlet, and top is equipped with overflow pipe；Coniform wake flow cone is connected under the eddy flow column of the bottom；The diameter of each eddy flow column is gradually reduced from high to Low, is equipped with separating plate straight up in each eddy flow column joint, eddy flow column is divided into stream region and inflow zone by separating plate；Go out to flow region and wake flow cone bottom and be equipped with discharge gate.The present invention can not only make particle be carried out at the same time more gradings, and with the advantages of simple in structure, easy to operate, production capacity is big, and floor space is small, no transmission parts and high effectiveness of classification, can be used widely in the multiple fields of industry.
Description
Technical field
The invention belongs to Mineral Classification technical field, and in particular to a kind of more grade Mineral Classification devices.
Background technology
In recent years, since the increasing of coal mining degree and the development of mechanical coal mining technology, characteristics of coal slime are constantly disliked
Change, fine particle content is increasing in raw coal, and the clay class mineral content for meeting the easy argillization of water immersion is on the increase, and easily causes flotation medicine
Agent consumption is big, floatation clean coal ash content is high, in press filtration quantity set the problems such as.Research shows that the optimal granularity scope of flotation is 0.25-
0.045mm, therefore, it is necessary to carry out pre-classification to black water, and is handled each grade respectively.
At present, common classifying equipoment is hydrocyclone both at home and abroad, and hydrocyclone is classified using swirling flow
Equipment, it is directly proportional to the quality of ore particle to act on the centrifugal force in cyclone on ore particle, thus when ore particle density is close just
Can be classified by granule size, have it is simple in structure, easy to manufacture, the advantages that treating capacity is big.But in actual production, waterpower rotation
Stream device only has two kinds of products of coarse grain grade particles and particulate grade particles, i.e. two ranks, this is far from meeting in production to multiple grains
The demand that the material of level is sorted；And although production requirement is met by the way of multiple cyclones are in parallel, exist and account for
The defects of ground area is big, high energy consumption.Therefore, how to develop a kind of classifying equipoment that can sort multiple grade products at the same time becomes
Those skilled in the art's technical barrier urgently to be resolved hurrily.
The content of the invention
The present invention proposes a kind of more grade Mineral Classification devices, during for solving in actual production to classification of solid particles,
Existing classification efficiency is low, it is impossible to the problem of carrying out multiple grade materials with time stage.
To achieve these goals, present invention employs following technical scheme
A kind of more grade Mineral Classification devices, including it is multiple be arranged concentrically, cylindric eddy flow column, top eddy flow column
Outer wall is equipped with feed inlet, and top is equipped with overflow pipe；Coniform wake flow cone is connected under the eddy flow column of the bottom；The diameter of eddy flow column
Gradually reduced from high to Low, be equipped with separating plate straight up in each eddy flow column joint, eddy flow column is divided into by separating plate
Flow region and inflow zone；Go out to flow region and wake flow cone bottom and be equipped with discharge gate.
Preferably, a kind of more grade Mineral Classification devices, it is characterised in that：The feed inlet is along top eddy flow
Column outer wall tangential direction connects with eddy flow column.
Preferably, a kind of more grade Mineral Classification devices, it is characterised in that：The overflow pipe and top eddy flow
Column top joint is provided with towards the horn-like truncated cone-shaped baffle inside eddy flow column.
Preferably, the eddy flow column rises from top to bottom, and eddy flow pillar height degree at different levels gradually reduce.
It is further preferred that the truncated cone-shaped baffle diameter gradually increases from top to bottom, and with top eddy flow column top
Angle is 65 °~75 °, its height is about risen to from top to bottom in the middle part of second layer eddy flow column.
The beneficial effects of the present invention are：
(1) rule of " granularity is bigger, and quality is bigger " is met when ore particle density is close, and the centrifugal force of particle calculates such as
Under：
In formula：FaThe centrifugal force of-particle, N；
The quality of m-particle, kg；
vτThe tangential velocity of-circumnutation, m/s；
R-radius of gyration, m.
The present invention is equipped with the different eddy flow column of multiple radiuses, and top is the eddy flow column of diameter maximum, and pan feeding is revolved by this
Centrifugal separation processes occur during fluidization tower, coarse grain is flowed out along side wall by the discharge gate of the eddy flow column, and remainder enters next stage
Eddy flow column, at this time centrifugal separation processes equally occur, classification material size attenuates, but eddy flow column diameter diminishes, can by formula (1)
Know, centrifugal force still remains, so as to continue to be classified material, to reach while carry out material the effect of more gradings
Fruit, improves production efficiency.
(2) eddy flow columns at different levels are arranged concentrically by the present invention, can be substantially reduced floor space, be cut operating costs.
(3) present invention has truncated cone-shaped baffle in top overflow pipe, on the one hand prevents pan feeding from influencing overflow product and rises
Overflow, on the other hand control eddy flow column flow field steady, good condition is created for gradation.
Brief description of the drawings
Fig. 1 is the overlooking the structure diagram of the present invention.
Fig. 2 is the A-A diagrammatic cross-sections of Fig. 1.
The implication of label symbol is as follows in figure：
10-feed inlet
20-eddy flow column, 21-wake flow bores 22-separating plate, 23-discharge gate
24-baffle, 25-overflow pipe 26-go out to flow 27-inflow zone of region
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes.
Fig. 1~2 show a kind of specific embodiment of the present invention, and a kind of more grade Mineral Classification devices include four with one heart
Set, cylindric eddy flow column 20, is followed successively by first, second, third and fourth eddy flow column from top to the bottom, most pushes up
20 outer wall of layer eddy flow column is equipped with feed inlet 10, and top is equipped with overflow pipe 25；Coniform tail is connected under the eddy flow column 20 of the bottom
Flow cone 21；The diameter of eddy flow column 20 is gradually reduced from high to Low, and separation straight up is equipped with each 20 joint of eddy flow column
Plate 22, it is to flow region 26 and inflow zone 27 that separating plate 22, which divides eddy flow column 20,；It is equal to go out to flow region 26 and 21 bottoms of wake flow cone
Equipped with discharge gate 23.
Such as Fig. 1, shown in 2, the feed inlet 10 connects along 20 outer wall tangential direction of top eddy flow column with eddy flow column 20, this
Material is mainly set to form a swirling flow after eddy flow column 20 is entered.
As shown in Fig. 2, the overflow pipe 25 is provided with towards in eddy flow column 20 with 20 top joint of top eddy flow column
The horn-like truncated cone-shaped baffle 24 in portion, 24 diameter of truncated cone-shaped baffle gradually increase from top to bottom, and with top eddy flow
20 top angle of column is 65 °~75 °, its height about plays the middle part of second layer eddy flow column 20, this horn-like circle to from top to bottom
On the one hand platform shape baffle 24 prevents pan feeding from influencing overflow product rising spilling, on the other hand control eddy flow 20 flow fields of column steady,
Good condition is created for gradation.
As shown in Fig. 2, the eddy flow column 20 rises from top to bottom, the height of eddy flow column 20 at different levels gradually reduce.
The material of greater particle size particle is carried due to having had been drained off part in upper level eddy flow column, reduces rotation
Fluidization tower height can reduce project cost in the case where not reducing classification performance.
The embodiment of the present invention transports material to feed inlet 10 when in use, using pan feeding pump, and material is under a certain pressure
First layer eddy flow column 20 is fed by tangential admission mouth 10, a swirling flow is then formed in the first layer eddy flow column 20, from
Coarse granule is moved to post jamb under mental power function, and when material movement to two layers of eddy flow column intersection, separating plate 22 isolates material
Open, separating plate 22 is coarse granule close to the side of post jamb, is discharged by discharge gate 23, and opposite side is fine grained, into the second eddy flow
Column 20, repeats above-mentioned work；During material movement to the 4th eddy flow column 20, material enters wake flow cone 21, because of the internal diameter of wake flow cone 21
It is gradually reduced, material rotary speed is accelerated.Pressure skewness during due to material generation eddy motion radially, more connects
At axial ray it is smaller and arrive axis when level off to zero, become low-pressure area, it is centripetal since superfine particle centrifugal sedimentation speed is small
Fluid forces discharged into center low-pressure area by overflow pipe 25, remaining particle by wake flow cone 21 discharge gate 23 discharge.
D1, d2, d3, d4 shown in Fig. 2 are the particle diameter of mineral grain, and d1 ＞ d2 ＞ d3 ＞ d4, wherein the first rotation
The particle diameter for the mineral grain that fluidization tower 20 is discharged is maximum, and the particle diameter for the mineral grain that overflow pipe 25 is discharged is minimum.
Above-described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, those of ordinary skill in the art's all other embodiments obtained without making creative work, all
Belong to the scope of protection of the invention.
Claims (5)
- A kind of 1. more grade Mineral Classification devices, it is characterised in that：It is arranged concentrically including multiple, cylindric eddy flow column (20), top eddy flow column (20) outer wall is equipped with feed inlet (10), and top is equipped with overflow pipe (25)；The eddy flow column (20) of the bottom Under be connected to coniform wake flow cone (21)；The diameter of eddy flow column (20) is gradually reduced from high to Low, in each eddy flow column (20) phase Meet place and eddy flow column (20) is divided into stream region (26) and inflow zone equipped with separating plate (22) straight up, separating plate (22) (27)；Go out to flow region (26) and wake flow cone (21) bottom and be equipped with discharge gate (23).
- A kind of 2. more grade Mineral Classification devices as claimed in claim 1, it is characterised in that：Most push up on feed inlet (10) edge Layer eddy flow column (20) outer wall tangential direction connects with eddy flow column (20).
- A kind of 3. more grade Mineral Classification devices as claimed in claim 1, it is characterised in that：The overflow pipe (25) is with most pushing up Joint is provided with towards the internal horn-like truncated cone-shaped baffle (24) of eddy flow column (20) at the top of layer eddy flow column (20).
- A kind of 4. more grade Mineral Classification devices as claimed in claim 1, it is characterised in that：The eddy flow column (20) is from upper And lower, eddy flow column (20) height at different levels gradually reduce.
- A kind of 5. more grade Mineral Classification devices as claimed in claim 3, it is characterised in that：The truncated cone-shaped baffle (24) is straight Footpath gradually increases from top to bottom, and is 65 °~75 ° with angle at the top of top eddy flow column (20), its height about arrives from top to bottom Rise in the middle part of second layer eddy flow column (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711287901.3A CN107952595A (en) | 2017-12-07 | 2017-12-07 | A kind of more grade Mineral Classification devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711287901.3A CN107952595A (en) | 2017-12-07 | 2017-12-07 | A kind of more grade Mineral Classification devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107952595A true CN107952595A (en) | 2018-04-24 |
Family
ID=61958288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711287901.3A Pending CN107952595A (en) | 2017-12-07 | 2017-12-07 | A kind of more grade Mineral Classification devices |
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| CN (1) | CN107952595A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108855646A (en) * | 2018-06-25 | 2018-11-23 | 江苏亮盈科技股份有限公司 | A kind of online grading plant of graphene product |
| CN109078469A (en) * | 2018-09-27 | 2018-12-25 | 高根树 | Two-stage coupling machinery mixes gas-gas reactor |
| CN110420747A (en) * | 2019-07-11 | 2019-11-08 | 中国恩菲工程技术有限公司 | The system and method that graphite and diamond mixed-powder are classified |
| CN113333185A (en) * | 2021-06-01 | 2021-09-03 | 中国石油大学(华东) | Three-phase cyclone separator with flow guide cone at center |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101524673A (en) * | 2009-04-01 | 2009-09-09 | 太原理工大学 | Compartment-type multi-section cyclone grader |
| CN104147818A (en) * | 2014-07-14 | 2014-11-19 | 安徽理工大学 | Slime water classifying pool |
| CN104307624A (en) * | 2014-08-27 | 2015-01-28 | 山东科技大学 | Coal slime recovery device and process |
| CN105396706A (en) * | 2015-02-13 | 2016-03-16 | 杨林 | Hydraulic monomer slack coal coarse slime 11-grade-size clean coal product cyclone |
-
2017
- 2017-12-07 CN CN201711287901.3A patent/CN107952595A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101524673A (en) * | 2009-04-01 | 2009-09-09 | 太原理工大学 | Compartment-type multi-section cyclone grader |
| CN104147818A (en) * | 2014-07-14 | 2014-11-19 | 安徽理工大学 | Slime water classifying pool |
| CN104307624A (en) * | 2014-08-27 | 2015-01-28 | 山东科技大学 | Coal slime recovery device and process |
| CN105396706A (en) * | 2015-02-13 | 2016-03-16 | 杨林 | Hydraulic monomer slack coal coarse slime 11-grade-size clean coal product cyclone |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108855646A (en) * | 2018-06-25 | 2018-11-23 | 江苏亮盈科技股份有限公司 | A kind of online grading plant of graphene product |
| CN109078469A (en) * | 2018-09-27 | 2018-12-25 | 高根树 | Two-stage coupling machinery mixes gas-gas reactor |
| CN110420747A (en) * | 2019-07-11 | 2019-11-08 | 中国恩菲工程技术有限公司 | The system and method that graphite and diamond mixed-powder are classified |
| CN113333185A (en) * | 2021-06-01 | 2021-09-03 | 中国石油大学(华东) | Three-phase cyclone separator with flow guide cone at center |
| CN113333185B (en) * | 2021-06-01 | 2022-03-04 | 中国石油大学(华东) | Three-phase cyclone separator with flow guide cone at center |
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Application publication date: 20180424 |