CN202146822U - Swirling flow injection flotation column capable of discharging mine tailings smoothly - Google Patents
Swirling flow injection flotation column capable of discharging mine tailings smoothly Download PDFInfo
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- CN202146822U CN202146822U CN201120141157U CN201120141157U CN202146822U CN 202146822 U CN202146822 U CN 202146822U CN 201120141157 U CN201120141157 U CN 201120141157U CN 201120141157 U CN201120141157 U CN 201120141157U CN 202146822 U CN202146822 U CN 202146822U
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- flotation column
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- column
- mine tailing
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Abstract
The utility model provides a swirling flow injection flotation column capable of discharging mine tailings smoothly in the shape of a cylinder. A pulp inlet is disposed in a wall of a lower part of the floatation column, and a concentrate ore outlet is disposed in an upper part of the floatation column. A pulp inlet pipe is connected with the pulp inlet, and is provided with a swirling flow injection aeration device. A bottom part of the cylinder-shaped flotation column is provided with more than one opening, and each opening is connected with a conical-shaped outlet pipe. The openings are polygon-shaped, and each two adjacent openings share an edge. In the utility model, the polygon-shaped openings is disposed in the bottom, thereby the swirling flow injection aeration device can be used to convey the pulp in the large-scale flotation column. The bottom of the floatation column has no deposition blind angles of mine tailings and slag even without a stirring device. By using the flotation column provided in the utility model, the obstruction in the large-scale chemical mine tailings discharging outlet of the floatation column can be prevented, the diameter of the swirling flow injection flotation column can be increased, the treating capacity of single groove can be improved, the floatation time can be prolonged, the recovery rate can be increased, the concentrate ore grade can be improved, the treating ability can be increased, and at the same time the energy consumption can be greatly saved.
Description
Technical field
The utility model belongs to mineral products flotation technology field, relates to a kind of mineral floating equipment, especially a kind of swirl injection flotation column.
Background technology
In the prior art, the key device of the floatation equipment of mineral products flotation use is a flotation column.It comprises the flotation column cavity of a column tubular, and its lower end connects a conically shaped, and column tubular and conically shaped are connected.Be provided with the ore pulp inlet in the bottom of flotation column cavity, its top is provided with the concentrate outlet, on the sidewall of conically shaped, is provided with the mine tailing outlet, in this mine tailing outlet, connects U-shaped mine tailing discharge pipe.The ore pulp that contains floating agent is being carried a large amount of air secretly from ore pulp inlet entering flotation column; Mix fully therein, layering then, in the foam on ore pulp top with the concentrate that flotates; Discharge from the top concentrate outlet of flotation column; The mine tailing deposition of solid and flows in the following conically shaped through the perforation on the dividing plate on the dividing plate of the bottom of flotation column, discharges flotation column through the mine tailing discharge pipe of U-shaped.Normally used flotation column in the prior art contacts in order to make air, medicament in the ore pulp fully mix with mineral, in flotation column, agitating device will be set, and this device can prevent that also the mine tailing solid from can not discharge in the flotation column bottom deposit.But this flotation column that has agitating device makes that owing to relatively poor to the mixed effect of material concentrate flotation degree is not high, and efficient is lower.
The applicant develops a kind of " swirl injection flotation device "; See the patent No. for details and be 02252728.1 Chinese patent, a kind of swirl injection aerator has been installed in this flotation device, it is installed on the peripheral side wall of flotation column; Ore pulp can be sneaked into ore pulp with air automatically through this swirl injection aerator; And get in the flotation column with the mode of spraying, through parts such as baffle plate are set, save agitating device in flotation column; Can be so that ore pulp contact fully in flotation column have improved the concentrate flotation efficiency greatly.
But this swirl injection flotation device is in prior art is used, and the maximum gauge of flotation column can only be accomplished 5 meters, single groove 50m
32000 tons of treating capacities per 24 hours.If the flotation column diameter is big again; Mine tailing slag deposition dead angle, flotation column bottom problem will appear; Make to replace the flotation column of conventional agitating device to maximize meeting with bottleneck and can't break through with swirl injection, this flotation effect is good, simple in structure, working service all very easily the swirl injection flotation device can not adapt to bargh's large-scale development need.
So large-scale flotation column of the prior art also all is the structure of dress agitating device in adopting, and can not uses the swirl injection aerator.
The utility model content
The purpose of the utility model is to improve the deficiency of prior art; Provide a kind of use swirl injection aerator to substitute agitating device, and can make the mine tailing slag not deposit the large-scale swirl injection flotation column that can smooth and easy discharge mine tailing at dead angle in flotation column bottom.
The purpose of the utility model is achieved in that
A kind of swirl injection flotation column that can smooth and easy discharge mine tailing; It comprises a flotation column; It is a column cylindrical body, on the lower part wall of this column cylindrical body, is provided with the ore pulp inlet, and its top is provided with the concentrate outlet; On said ore pulp inlet, connect the ore pulp inlet tube, on this ore pulp inlet tube, the swirl injection aerator is installed; Said flotation column lower bottom part is provided with one with upper shed, the up big and down small cone barrel outlet of connection one below each said opening, said opening be shaped as polygon; The adjacent side of two adjacent said openings is a common edge.
Said flotation column is a cylinder; Bottom parts between the circular edge of its cavity inner bottom surface and the said polygonal-shaped openings that is adjacent is the hang plate structure from the edge to inside; This hang plate edge one side of keeping to the side is higher; And inner one side is provided with than the lowland, and the edge of inside edge and adjacent said polygonal-shaped openings is a common edge.
Said flotation column also can be the cylindrical shell of polygonal cross-section.
Each said opening can be equal-sized polygonal-shaped openings.
Each this opening is the regular polygon opening preferably.This polygonal-shaped openings for example can be square and regular hexagon.
In the better technical scheme, every adjacent side of each said opening all is an edge of adjacent said opening.
The said outlet that below each polygonal said opening, connects respectively, its lower port is a circular cross-section at least.
The cross section of said outlet becomes similar figures with the cross sectional shape of corresponding said opening.
Perhaps, this outlet is its a port and said opening coupling and the bottom is conical cylindrical shell.
On the mouth of pipe of aforesaid various said outlets, connecting a circular section straight tube shape takes over.This adapter go up to connect and to be used for the pipeline that is connected with said tailings discharging general export pipe.
The gross area sum of the said opening on the said column cylindrical body bottom surface area near bottom surface more is good more.Therefore, this polygonal-shaped openings is a regular polygon, the regular polygon of a type of square and regular hexagon opening especially for example, and the opening of this type is arranged on the bottom surface, has no between the adjacent apertures at interval, and the effect of eliminating ore pulp mud is very good.
If the column cylindrical body of flotation column is a polygonal cross-section; It cooperates with the regular polygon opening; Can also make between the edge of the opening adjacent and this sidewall also not at interval, at this moment, the area of all openings just equate basically with the area of bottom surface flotation column with the flotation column sidewall.Like this, the deposition dead angle can thoroughly be eliminated, and simple in structure.
The cross section of said flotation column can be multiple cross sectional shapes such as circular, oval, square, rhombus, hexagon or rectangle.
Said swirl injection aerator can evenly distribute on the outer wall of said flotation column.For example, swirl injection bubble transmitter is that the swirl injection aerator evenly distributes on the sidewall of flotation column trench bottom.And the injection direction of swirl injection aerator is preferably towards flotation column bottom land side cell wall and gives the ore deposit.
The cone angle of said cone barrel outlet is greater than 0 °, less than 90 °, between 1 ° to 89 °; Optimum taper angle is 45 ° to 75 °.
The size of this cone angle can be decided according to the kind of mine tailing.
The described flotation column of the utility model can be the flotation column of any kind of the prior art, different be exactly; The swirl injection aerator is installed on the pipeline of ore pulp import; The core main points of the utility model are through the flotation column bottom in the mine tailing outlet some openings to be set, and on average cut apart the outlet of taper tailings discharging, thereby for the large-scale flotation column of diameter greater than 5 meters; Can cancel agitating device wherein, device swirl injection aerator.The facility identical with prior art on the flotation column repeats no more in the utility model.
The utility model provides can smooth and easy discharge mine tailing the swirl injection flotation column, through a plurality of polygonal-shaped openings are set, connection conical pipe below this opening on its bottom surface; And very close to each other between the adjacent said opening, make and use swirl injection aerator transfer ore pulp in the large-scale flotation column, even do not establish agitating device; Mine tailing slag deposition dead angle can not appear in the bottom of flotation column yet; Solved flotation column maximization tailings discharging outlet blockage problem, through above-mentioned improvement, can be so that the increasing diameter of swirl injection flotation column be added to more than 5 meters; Then can reach 15 meters, single groove is done the ore deposit treating capacity and is brought up to per 24 hours 2 kilotons-20,000 ton.Thus, can be so that the flotation time of large-scale flotation column prolong, the rate of recovery can improve 1%-3%, can also improve concentrate grade, in addition, energy efficient greatly when disposal ability is improved.
Description of drawings
Fig. 1 for the utility model provide can smooth and easy discharge mine tailing the structural representation of its cavity bottom outlet of demonstration of swirl injection flotation column.
The perspective view of the flotation column that Fig. 2 provides for the utility model wherein demonstrates flotation column inside cavity bottom surface structure.
The perspective view of the flotation column that Fig. 3 provides for the utility model wherein demonstrates the structure of the outside bottom surface of flotation column cavity.
The main TV structure sketch map of the flotation column that Fig. 4 provides for the utility model.
The structural representation of Fig. 5 for showing that each outlet is connected with a mine tailing discharge pipe.
The specific embodiment
Like Fig. 1 to shown in Figure 5, the utility model provides a kind of swirl injection flotation column that can smooth and easy discharge mine tailing, its diameter is greater than 5 meters.This flotation column comprises a column tubular flotation column cavity 1; On this flotation column cavity 1 lower sides, open some ore pulp imports equably, connect ore pulp inlet tube 11, on this ore pulp inlet tube 11, swirl injection aerator 12 is installed around the circumferencial direction spacing; Be provided with one with upper shed 13 in the bottom of flotation column cavity 1; Each said opening 13 equal and opposite in directions evenly distribute on flotation column cavity 1 chamber bottom surface, said opening be shaped as regular hexagon; The adjacent side 14 of two adjacent openings 13 is a common edge, and every adjacent side of each polygonal-shaped openings all is an edge of adjacent another opening.Connect outlet 2 below each opening 13; Outlet is the area of the area of the regular hexagonal section and the port of export less than said cavity bottom opening; Conical pipe for up big and down small conical pipe; Connect the straight length 3 of a circular section at the port of export of this outlet 2, this straight length 3 is through a transition conduit 4 (see figure 5) that is connected with a mine tailing discharge pipe 5.Connection conical outlet pipe 2 is used for tailings discharging below each opening 13, and the lower port 3 of this outlet 2 is a circular cross-section.
From Fig. 2 and Fig. 3, can find out do not have at interval between two adjacent openings.On bottom surface, any part all is an inclined downward.Therefore, the flotation column of the utility model, the deposition dead angle that can thoroughly stop mine tailing.
Certainly, if flotation column cavity 1 is the cylindrical shell of polygonal cross-section,,, just do not had the part do not cut apart between said opening and the cylindrical shell by opening with the polygonal-shaped openings coupling because the edge of this bottom is rectilinear edge.
Several said openings that are arranged on the flotation column lower bottom part also can be the polygonal-shaped openings of different sizes.For example, be the opening and the square openings of several octagons, the octagon opening does not have the compartment of terrain to be arranged, but can occur the space of square therebetween, establishes foursquare opening in this space.
This outlet also can be that its port and said opening coupling are the divergent-cone wall of circular cross-section below.
The cone angle of said cone barrel outlet is 45 ° to 75 °.
Swirl injection bubble transmitter is that the direction of swirl injection aerator injection ore pulp can be cell wall towards flotation column trench bottom side.
The key of the utility model is through some polygonal-shaped openings the bottom surface of flotation column chamber to be cut apart; Connect conical pipe below the opening; Said opening, because be regular hexagon for example, each opening is gapless connection each other; The area of opening is substantially equal to the base area of flotation column cavity, makes not have slag deposition dead angle on the bottom surface.
The cross section of said flotation column chamber can be circular, oval, square, rhombus or rectangle, or polygon, like regular polygon.For example be the flotation column cavity of regular hexagonal section, cooperate orthohexagonal opening, the gross area of each opening equates with the base area of cavity in theory.Compared with circular cross-section, can save the design of bottom parts 15 (see figure 2)s of incline structure.
Claims (10)
- One kind can smooth and easy discharge mine tailing the swirl injection flotation column; Comprise a flotation column; It is a column cylindrical body, on the lower part wall of this column cylindrical body, is provided with the ore pulp inlet, and its top is provided with the concentrate outlet; On said ore pulp inlet, connect the ore pulp inlet tube, on this ore pulp inlet tube, the swirl injection aerator is installed; It is characterized in that:Said flotation column bottom surface is provided with one with upper shed, the up big and down small cone barrel outlet of connection one below each said opening, said opening be shaped as polygon; The adjacent side of two adjacent said openings is a common edge.
- 2. swirl injection flotation column that can smooth and easy discharge mine tailing according to claim 1; It is characterized in that: said flotation column is a cylinder; Bottom parts between the circular edge of its cavity inner bottom surface and the said opening that is adjacent is the hang plate structure from the edge to inside; This hang plate edge one side of keeping to the side is higher, and inner one side is provided with than the lowland, and the edge of inside edge and adjacent said polygonal-shaped openings is a common edge; Perhaps,Said flotation column is the cylindrical shell of polygonal cross-section.
- 3. swirl injection flotation column that can smooth and easy discharge mine tailing according to claim 1 and 2, it is characterized in that: each said opening is equal-sized polygonal-shaped openings.
- 4. swirl injection flotation column that can smooth and easy discharge mine tailing according to claim 1 and 2, it is characterized in that: every adjacent side of the said opening of several polygons all is an edge of adjacent apertures.
- 5. swirl injection flotation column that can smooth and easy discharge mine tailing according to claim 3, it is characterized in that: every adjacent side of the said opening of several polygons all is an edge of adjacent apertures.
- 6. swirl injection flotation column that can smooth and easy discharge mine tailing according to claim 1 and 2, it is characterized in that: the cross section of said outlet becomes similar figures with the cross sectional shape of corresponding said opening; Perhaps, said outlet is its a port and said opening coupling and the bottom is conical cylindrical shell; Perhaps, said outlet, its lower port is a circular cross-section at least.
- 7. swirl injection flotation column that can smooth and easy discharge mine tailing according to claim 1 is characterized in that: on the mouth of pipe of said outlet, connect a circular section straight tube shape and take over.
- 8. swirl injection flotation column that can smooth and easy discharge mine tailing according to claim 3, it is characterized in that: this polygonal-shaped openings is square or regular hexagon.
- 9. swirl injection flotation column that can smooth and easy discharge mine tailing according to claim 1 is characterized in that: the cone angle of said cone barrel outlet is for greater than 0 °, less than 90 °.
- 10. swirl injection flotation column that can smooth and easy discharge mine tailing according to claim 9, it is characterized in that: said cone angle is 45 ° to 75 °.11 .Swirl injection flotation column that can smooth and easy discharge mine tailing according to claim 3, it is characterized in that: each said opening is the regular polygon opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120141157U CN202146822U (en) | 2011-05-06 | 2011-05-06 | Swirling flow injection flotation column capable of discharging mine tailings smoothly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120141157U CN202146822U (en) | 2011-05-06 | 2011-05-06 | Swirling flow injection flotation column capable of discharging mine tailings smoothly |
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| Publication Number | Publication Date |
|---|---|
| CN202146822U true CN202146822U (en) | 2012-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120141157U Expired - Fee Related CN202146822U (en) | 2011-05-06 | 2011-05-06 | Swirling flow injection flotation column capable of discharging mine tailings smoothly |
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| Country | Link |
|---|---|
| CN (1) | CN202146822U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102641786A (en) * | 2011-05-06 | 2012-08-22 | 李宾 | Swirl jet flotation column capable of smoothly discharging tailing |
| CN113304890A (en) * | 2021-04-30 | 2021-08-27 | 中煤(天津)地下工程智能研究院有限公司 | Jet flow micro-bubble flotation machine for strengthening separation of mineralized bubbles and ore pulp |
-
2011
- 2011-05-06 CN CN201120141157U patent/CN202146822U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102641786A (en) * | 2011-05-06 | 2012-08-22 | 李宾 | Swirl jet flotation column capable of smoothly discharging tailing |
| CN113304890A (en) * | 2021-04-30 | 2021-08-27 | 中煤(天津)地下工程智能研究院有限公司 | Jet flow micro-bubble flotation machine for strengthening separation of mineralized bubbles and ore pulp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120222 Termination date: 20190506 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |