CN214599767U - Three-product flotation system - Google Patents
Three-product flotation system Download PDFInfo
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- CN214599767U CN214599767U CN202120404059.2U CN202120404059U CN214599767U CN 214599767 U CN214599767 U CN 214599767U CN 202120404059 U CN202120404059 U CN 202120404059U CN 214599767 U CN214599767 U CN 214599767U
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Abstract
The utility model provides a three-product flotation system, which comprises a flotation barrel, wherein a fine material collecting tank is sleeved at the top of the flotation barrel, and a fine material outlet is arranged at the bottom of the fine material collecting tank; a flotation feed inlet and a middle material outlet are respectively arranged on two opposite sides of the flotation barrel, a middle material collecting tank communicated with the middle material outlet is arranged in the flotation barrel, the cross sectional area of the bottom of the middle material collecting tank is equal to that of the flotation barrel, and the horizontal plane where the bottom of the middle material collecting tank is located is lower than that of the middle material outlet, so that a middle material channel is formed between the outer side wall of the middle material collecting tank and the bottom of the middle material outlet; and a tailing outlet is formed in the bottom of the flotation barrel. Implement the utility model discloses, realize that the single slot type can sort out thin material, middlings and tailings three products, need not many flotation equipment, save area, the flotation is fast, improves separation efficiency, simple structure, and is with low costs.
Description
Technical Field
The utility model relates to a coal slime flotation technology field especially relates to a three-product flotation system.
Background
Flotation is separated according to the difference of the physicochemical properties of the surfaces among particles, and is widely applied to the fields of mineral and coal slime separation, water treatment, paper pulp deinking, oil-water separation and the like. The flotation machine is a main flotation device, such as a mechanical stirring type flotation machine, a jet type flotation machine, an inflatable type flotation machine and the like. The existing flotation machine produces two products according to different feeding materials: if three or more products are to be obtained, one or more sets of flotation equipment are required to be added, and multi-groove or multi-section separation is adopted, so that the occupied area is increased, and the production cost is increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a three-product flotation system, realize that the single slot type can divide and elect three products of thin material, middlings and tails, need not many flotation equipment, save area, improve separation efficiency, simple structure, it is with low costs.
The technical proposal of the utility model provides a flotation system for three products, which comprises a flotation barrel,
the top of the flotation barrel is sleeved with a fine material collecting tank, and the bottom of the fine material collecting tank is provided with a fine material outlet;
a flotation feed inlet and a middle material outlet are respectively arranged on two opposite sides of the flotation barrel, a middle material collecting tank communicated with the middle material outlet is arranged in the flotation barrel, the cross sectional area of the bottom of the middle material collecting tank is equal to that of the flotation barrel, and the horizontal plane where the bottom of the middle material collecting tank is located is lower than that of the middle material outlet, so that a middle material channel is formed between the outer side wall of the middle material collecting tank and the bottom of the middle material outlet;
and a tailing outlet is formed in the bottom of the flotation barrel.
Furthermore, the cross-sectional area of the middling collecting groove is gradually increased from top to bottom.
Further, the middling collecting vat includes from last cylindricality portion and the toper portion that connects gradually down, the cross-sectional area of cylindricality portion equals the cross-sectional area at the top of toper portion.
Furthermore, a water pipe with adjustable water quantity is arranged above the fine material collecting tank.
Furthermore, a tailing discharging pipe is arranged at the tailing outlet, and a tailing discharging valve and a tailing pump are arranged on the tailing discharging pipe.
Further, still include with the mixing of pulp device of flotation pan feeding mouth intercommunication.
Further, the size mixing device includes size mixing bucket and flotation feed pump, the top of size mixing bucket is equipped with the pan feeding mouth of sizing mixing, the bottom of size mixing bucket through the discharging pipe of sizing mixing with the one end intercommunication of flotation feed pump, the other end of flotation feed pump pass through the flotation feeding pipe with flotation feeding mouth intercommunication, be equipped with the bleeder valve of sizing mixing on the discharging pipe of sizing mixing, be equipped with on the flotation feeding pipe with the air inlet of flotation feeding pipe intercommunication.
Further, still include agitating unit, agitating unit includes (mixing) shaft, impeller and fixes the agitator motor of sizing mixing bucket top, the one end of (mixing) shaft with agitator motor rotates to be connected, the other end of (mixing) shaft stretches into in the sizing mixing bucket, and with the impeller rotates to be connected.
Furthermore, a pulp mixing overflow groove is sleeved on the outer peripheral wall of the top of the pulp mixing barrel.
Further, the flotation device further comprises a controller, and the controller is respectively in communication connection with the tailing pump, the flotation feed pump and the stirring motor.
After adopting above-mentioned technical scheme, have following beneficial effect: the fine material collecting tank is arranged at the top of the flotation barrel in a sleeved mode, the flotation barrel is provided with a flotation feeding port, a middle material outlet and a middle material collecting tank inside, the bottom of the flotation barrel is provided with a tail material discharging port, three products of fine materials, middle materials and tail materials can be sorted out in a single-groove mode, multiple flotation devices are not needed, occupied area is saved, flotation speed is high, sorting efficiency is improved, the structure is simple, and cost is low.
Drawings
The disclosure of the present invention will become more readily understood by reference to the drawings. It should be understood that: these drawings are for illustrative purposes only and are not intended to limit the scope of the present disclosure. In the figure:
fig. 1 is a schematic structural diagram of a three-product flotation system according to an embodiment of the present invention.
Reference symbol comparison table:
11-a flotation tank; 111-a medium material outlet; 112-a medium material collecting tank; 113-tailing discharging pipe; 1131, a tailing discharge valve; 1132-tailing pump; 12-fines collection tank; 121-fines outlet; 122-a water pipe; 13-a size mixing device; 131-a size mixing barrel; 132-a flotation feed pump; 133-slurry mixing discharge pipe; 1331-a slurry mixing discharge valve; 134-a flotation feeding pipe; 1341-an air inlet; 14-a stirring device; 141-a stirring shaft; 142-an impeller; 143-stirring motor; 15-size mixing overflow groove; 16-a controller.
Detailed Description
The following describes the present invention with reference to the accompanying drawings.
It is easily understood that, according to the technical solution of the present invention, a plurality of structural modes and implementation modes that can be mutually replaced by those of ordinary skill in the art can be achieved without changing the spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are only exemplary illustrations of the technical solutions of the present invention, and should not be construed as limiting or restricting the technical solutions of the present invention in its entirety or as a limitation of the present invention.
The terms of orientation of up, down, left, right, front, back, top, bottom, and the like referred to or may be referred to in this specification are defined relative to the configuration shown in the drawings, and are relative terms, and thus may be changed correspondingly according to the position and the use state of the device. Therefore, these and other directional terms should not be construed as limiting terms.
The utility model discloses a three-product flotation system mainly is applied to the coal slime flotation, also can be applied to other flotation products.
As shown in fig. 1, fig. 1 is a schematic structural diagram of a three-product flotation system according to an embodiment of the present invention, including a flotation tank 11,
a fine material collecting tank 12 is sleeved at the top of the flotation barrel 11, and a fine material outlet 121 is formed at the bottom of the fine material collecting tank 12;
a flotation feed port (not shown) and a middle material outlet 111 are respectively arranged on two opposite sides of the flotation barrel 11, a middle material collecting tank 112 communicated with the middle material outlet 111 is arranged inside the flotation barrel 11, the cross sectional area of the bottom of the middle material collecting tank 112 is equal to that of the flotation barrel 11, and the horizontal plane of the bottom of the middle material collecting tank 112 is lower than that of the bottom of the middle material outlet 111, so that a middle material channel (not shown) is formed between the outer side wall of the middle material collecting tank 112 and the bottom of the middle material outlet 111;
the bottom of the flotation tank 11 is provided with a tailings outlet (not shown).
The utility model provides a three-product flotation system mainly includes flotation tank 11 and fines collecting vat 12.
The flotation tank 11 is cylindrical at the upper part and inverted conical at the lower part, so that the material can be discharged conveniently.
The outer side wall of the top of the flotation tank 11 is sleeved with a fine material collecting tank 12, and the fine material collecting tank 12 is used for collecting fine material products such as clean coal and the like. The bottom of the fines collection tank 12 is provided with a fines outlet 121 and the top of the fines collection tank 12 is higher than the top of the flotation tank 11 to prevent flotation froth overflow. During flotation, under the action of a rotational flow force field, fine products with low density float upwards together with the foam to enter the fine collecting tank 12 and are discharged through the fine outlet 121.
The opposite two sides of the middle part of the flotation barrel 11 are respectively provided with a flotation feeding port and a medium material outlet 111, the flotation feeding port is used for feeding materials such as coal primary pulp, foaming agent and the like, and the medium material outlet 111 is used for discharging medium material products such as medium coal. The inside of flotation tank 11 is equipped with the middlings collecting vat 112 with middlings export 111 intercommunication, and the cross-sectional area of the bottom of middlings collecting vat 112 is equal to the cross-sectional area of flotation tank 11, and the bottom of middlings collecting vat 112 is the horizontal plane that is less than the bottom of middlings export 111, makes the lateral wall of middlings collecting vat 112 and the bottom of middlings export 111 form the middlings passageway. During flotation, medium-density products enter the medium-density channel under the action of the rotational flow force field and are discharged through the medium-density outlet 111.
The bottom of flotation tank 11 is equipped with the tails export, and the tails export is located the bottom of the back taper of flotation tank 11, and the tails export is used for discharging the tails product, like the tail coal slime. During flotation, under the action of a rotational flow force field, tailing products with high density are discharged through a tailing outlet.
Preferably, to facilitate the collection of foam, the bottom of the fines collection tank 12 is provided with an inclined structure, the bottom of which communicates with the fines outlet 121 via a fines discharge pipe.
Preferably, to facilitate collection of the middlings product, the bottom of the middlings collection tank 112 is at a higher level than the top of the flotation feed inlet.
Preferably, the flotation tank 11 and the middling collection tank 112 are integrally formed.
The utility model discloses top and bottom according to ground, and the one end of keeping away from ground is the top, and the one end that is close to ground is the bottom.
The utility model provides a three-product flotation system establishes the thin material collecting vat through the top cover at the flotation bucket, and the inside of flotation bucket is equipped with flotation pan feeding mouth, well material export and well material collecting vat to and be equipped with the tails discharge gate in the bottom of flotation bucket, realize that the single tank formula can sort out thin material, well material and three products of tails, need not many flotation device, save area, and the flotation is fast, improves and selects separately efficiency, simple structure, and is with low costs.
In one embodiment, to facilitate collection of the middlings product, the cross-sectional area of the middlings collection trough 112 increases from top to bottom.
In one embodiment, the middlings collecting tank 112 comprises a cylindrical portion (not shown) and a conical portion (not shown) connected in series from top to bottom, and the cross-sectional area of the cylindrical portion is equal to the cross-sectional area of the top of the conical portion.
The medium material collecting tank 112 comprises a cylindrical part and a conical part which are sequentially connected from top to bottom to form a conical structure, so that medium material products can be conveniently collected.
In one embodiment, a water pipe 122 with adjustable water volume is arranged above the fines collection tank 12.
The water pipe 122 is used for flushing the foam in the fine material collecting tank 12 to separate the foam from the fine material product, and the water pipe 122 can also be used for flushing the foam in the fine material collecting tank 12 by adopting a spraying pipe mode to facilitate the collection of the fine material product.
In one embodiment, the tailing outlet is provided with a tailing discharging pipe 113, and the tailing discharging pipe 113 is provided with a tailing discharging valve 1131 and a tailing pump 1132.
Tailing discharging pipe 113 and tailing export intercommunication are equipped with tailing bleeder valve 1131 and tailing pump 1132 on the tailing discharging pipe 113, and tailing bleeder valve 1131 is used for controlling opening or closing of tailing export, and tailing pump 1132 is used for controlling the tailing flow.
Preferably, in order to meet the user requirements and facilitate control of the type of the flotation product, a medium material discharge valve is arranged on the medium material outlet 111, and a fine material discharge valve is arranged on the fine material outlet 121. When three products need to be obtained, the fine material discharge valve, the medium material discharge valve and the tailing discharge valve 1131 are opened simultaneously; when only two products need to be obtained, one of the fine material discharge valve, the medium material discharge valve, and the tailing discharge valve 1131 can be closed.
In one embodiment, the slurry mixing device 13 is communicated with the flotation feeding port.
The size mixing device 13 is used for mixing coal primary pulp, and the mixed coal primary pulp enters the flotation barrel 11 through the flotation feeding port.
In one embodiment, the size mixing device 13 includes a size mixing barrel 131 and a flotation feed pump 132, a size mixing inlet (not shown) is provided at the top of the size mixing barrel 131, the bottom of the size mixing barrel 131 is communicated with one end of the flotation feed pump 132 through a size mixing outlet pipe 133, the other end of the flotation feed pump 132 is communicated with the flotation inlet through a flotation inlet pipe 134, a size mixing outlet valve 1331 is provided on the size mixing outlet pipe 133, and an air inlet 1341 communicated with the flotation inlet pipe 134 is provided on the flotation inlet pipe 134.
The slurry mixing device 13 comprises a slurry mixing device and a slurry mixing device which are sequentially connected from top to bottom
In one embodiment, the stirring device 14 is further included, the stirring device 14 includes a stirring shaft 141, an impeller 142 and a stirring motor 143 fixed above the mixing barrel 131, one end of the stirring shaft 141 is rotatably connected with the stirring motor 143, and the other end of the stirring shaft 141 extends into the mixing barrel 131 and is rotatably connected with the impeller 142.
The stirring device 14 is used for stirring the size mixing barrel 131, the stirring device 14 comprises a stirring motor 143, a stirring shaft 141 and an impeller 142 which are sequentially connected from top to bottom, the stirring motor 143 is fixed above the size mixing barrel 131 through a fixing device, the impeller 142 extends into the size mixing barrel 131 through the stirring shaft 141, and the stirring shaft 141 and the impeller 142 are driven to rotate through the stirring motor 143 to accelerate the stirring speed.
In one embodiment, the outer peripheral wall of the top of the size mixing barrel 131 is sleeved with a size mixing overflow chute 15.
Preferably, the bottom of the conditioning overflow tank 15 is provided with an inclined structure (not shown) in order to facilitate collection of the conditioning liquid.
In one embodiment, a controller 16 is also included, and the controller 16 is communicatively coupled to the tailings pump 1132, the flotation feed pump 132, and the agitator motor 143, respectively.
The working principle of the flotation system for three products of the present invention is explained below, specifically as follows:
firstly, the controller 16 starts the stirring motor 143, closes the tailing discharging valve 1131 and the slurry mixing discharging valve 1331, puts coal primary slurry into the slurry mixing barrel 131 through the slurry mixing feeding port, and simultaneously adds flotation reagents (collecting agent, foaming agent, inhibitor and the like); when the pulp liquid level reaches the specified liquid level (such as 2/3 liquid level) of the size mixing barrel 131, the size mixing discharge valve 1331 is opened, and the controller 15 controls the rotating speed of the flotation feed pump 132; when the coal primary pulp is filled with the specified liquid level (such as 2/3 liquid level) of the flotation barrel 11, opening the air inlet 1341, and adjusting the height of a foam layer, the air inflow, the tailings and the middling discharge at any time according to the product quality requirement; when the flotation tank 11 is filled with the pulp, the water pipe 122, the tailing discharge valve 1131 and the tailing pump 1132 are opened simultaneously, and the fine material product, the medium material product and the tailing product are collected simultaneously. When flotation is complete, the flotation tank 11 and the surge tank 131 can be emptied and flushed as needed, and the controller 16 controls the tailings pump 1132, the flotation feed pump 132, and the agitator motor 143 to be turned off.
Claims (10)
1. A three-product flotation system is characterized by comprising a flotation barrel,
the top of the flotation barrel is sleeved with a fine material collecting tank, and the bottom of the fine material collecting tank is provided with a fine material outlet;
a flotation feed inlet and a middle material outlet are respectively arranged on two opposite sides of the flotation barrel, a middle material collecting tank communicated with the middle material outlet is arranged in the flotation barrel, the cross sectional area of the bottom of the middle material collecting tank is equal to that of the flotation barrel, and the horizontal plane where the bottom of the middle material collecting tank is located is lower than that of the middle material outlet, so that a middle material channel is formed between the outer side wall of the middle material collecting tank and the bottom of the middle material outlet;
and a tailing outlet is formed in the bottom of the flotation barrel.
2. A three product flotation system as claimed in claim 1 wherein the cross sectional area of the middling collection tank increases from top to bottom.
3. A three product flotation system according to claim 2, wherein the middlings collection tank comprises a cylindrical portion and a conical portion connected in series from top to bottom, the cross-sectional area of the cylindrical portion being equal to the cross-sectional area of the top of the conical portion.
4. A three-product flotation system according to claim 1, wherein a water pipe is provided above the fines collection tank, the water pipe being adjustable in amount.
5. A three product flotation system according to any one of claims 1 to 4, wherein the tailings outlet is provided with a tailings discharge pipe, and wherein a tailings discharge valve and a tailings pump are provided on the tailings discharge pipe.
6. A three product flotation system as recited in claim 5, further comprising a size mixing device in communication with said flotation feed port.
7. The three-product flotation system according to claim 6, wherein the size mixing device comprises a size mixing barrel and a flotation feed pump, a size mixing inlet is formed in the top of the size mixing barrel, the bottom of the size mixing barrel is communicated with one end of the flotation feed pump through a size mixing outlet pipe, the other end of the flotation feed pump is communicated with the flotation inlet through a flotation inlet pipe, a size mixing outlet valve is arranged on the size mixing outlet pipe, and an air inlet communicated with the flotation inlet pipe is formed in the flotation inlet pipe.
8. The three-product flotation system according to claim 7, further comprising a stirring device, wherein the stirring device comprises a stirring shaft, an impeller and a stirring motor fixed above the size mixing barrel, one end of the stirring shaft is rotatably connected with the stirring motor, and the other end of the stirring shaft extends into the size mixing barrel and is rotatably connected with the impeller.
9. A three product flotation system as recited in claim 8 wherein the top peripheral wall of the surge tank is jacketed with a surge overflow trough.
10. The tri-product flotation system of claim 8, further comprising a controller in communication with the tailings pump, the flotation feed pump, and the agitator motor, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120404059.2U CN214599767U (en) | 2021-02-24 | 2021-02-24 | Three-product flotation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120404059.2U CN214599767U (en) | 2021-02-24 | 2021-02-24 | Three-product flotation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214599767U true CN214599767U (en) | 2021-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120404059.2U Active CN214599767U (en) | 2021-02-24 | 2021-02-24 | Three-product flotation system |
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| CN (1) | CN214599767U (en) |
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2021
- 2021-02-24 CN CN202120404059.2U patent/CN214599767U/en active Active
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