CN222678366U - Cyclone cavitation coupling micro-fine mineral flotation equipment - Google Patents
Cyclone cavitation coupling micro-fine mineral flotation equipment Download PDFInfo
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- CN222678366U CN222678366U CN202420649367.5U CN202420649367U CN222678366U CN 222678366 U CN222678366 U CN 222678366U CN 202420649367 U CN202420649367 U CN 202420649367U CN 222678366 U CN222678366 U CN 222678366U
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Abstract
The utility model provides cyclone cavitation coupled micro-fine particle mineral flotation equipment. The flotation device comprises a flotation body and a cavitation bubble generator, wherein the flotation body comprises a flotation body cylindrical barrel which is positioned at the upper part and is used for raw ore feeding and concentrate collection, a flotation body conical pipe which is positioned at the lower part and is used for sorting and tailing discharging, a raw ore feeding pipe which is arranged at the axis of the flotation body cylindrical barrel, and a pressure stabilizing plate, hydrodynamic cavitation bubbles generated by the cavitation bubble generator are applied to flotation equipment and are pressed into a stirring area of the flotation equipment, the cavitation bubbles collapse to generate shock waves to clean the surfaces of mineral particles, the effect of dispersing the minerals is achieved, special microbubbles and micro-fine particle concentrate are released to form mineralized bubbles to float upwards, the recovery rate of micro-fine particle minerals difficult to float is remarkably improved, the dosage of chemicals is reduced, and high-efficiency flotation is realized.
Description
Technical Field
The utility model relates to the technical field of micro-particle mineral flotation technology and mineral flotation equipment, in particular to cyclone cavitation coupled micro-particle mineral flotation equipment.
Background
Flotation is a main method for separating fine minerals, but the flotation process commonly adopted at present often has poor effect in separating fine minerals, and the characteristics of large specific surface area, high surface energy and the like of the fine minerals worsen the flotation environment of fine mineral pulp, so that the fine minerals are difficult to adhere to bubbles to form mineralized bubbles, and the selectivity of the conventional flotation agent is poor, so that a large amount of useful minerals cannot be effectively recovered and run off. Based on the distribution characteristics of mineral resources in China and the trend of lean and fine hybridization of mineral resources, mineral processing workers increasingly pay attention to the flotation problem of fine minerals, and research on flotation process equipment and the like of the fine minerals has become one of important subjects in the field of fine mineral processing.
In general theory, the size of bubbles has different selectivities, large bubbles are suitable for coarse fraction mineral flotation and small bubbles are suitable for fine fraction mineral flotation. An important problem in the flotation of fine-grained minerals is how to introduce small bubbles into the flotation.
In recent years, around how to improve the structural characteristics of flotation equipment to overcome the quality effect and surface effect of fine particles floating from fine particle mine, thereby improving the fine particle flotation efficiency, mineral breeders have developed extensive researches and many new and effective fine particle flotation equipment have emerged.
The invention patent with publication number of CN108339673A provides a cavitation jet flotation bubble generator and a flotation device. The flotation device comprises a cavitation jet flow flotation bubble generator, a flotation tank and a concentrate overflow tank, wherein a downcomer is arranged at the lower part of the cavitation jet flow flotation bubble generator, the bottom of the downcomer is connected with an ore pulp distribution head, the ore pulp distribution head and the downcomer are arranged in the flotation tank, a tailing outlet is formed in the lower part of the flotation tank, a concentrate overflow tank is arranged at the outer side of the flotation tank, and a concentrate outlet is arranged in the concentrate overflow tank. However, the flotation device has the technical defect of poor froth flotation effect.
In view of the foregoing, there is a need for an improved micro-fine mineral flotation device for rotational flow cavitation coupling that addresses the above-described problems.
Disclosure of utility model
The utility model aims to provide a micro-fine particle mineral flotation device for cyclone cavitation coupling.
In order to achieve the aim of the utility model, the utility model provides cyclone cavitation coupled micro-fine particle mineral flotation equipment, which comprises a flotation body and a cavitation bubble generator;
The flotation body comprises a flotation body cylindrical barrel which is positioned at the upper part and used for raw ore feeding and concentrate collecting, a flotation body conical pipe body which is positioned at the lower part and used for tailing discharging, a raw ore feeding pipe which is arranged at the axis of the flotation body cylindrical barrel, and a pressure stabilizing plate;
The pressure stabilizing plate is in sliding connection or bolt connection with the annular inner wall of the flotation body cylindrical barrel, so that the pressure stabilizing plate is positioned at a separation position of the foam and the watertight area;
the pressure stabilizing plate is provided with a middle through hole, and the raw ore feeding pipe penetrates through the middle through hole.
As a further improvement of the utility model, the pressure stabilizing plate is provided with a porous structure in a surrounding way.
As a further improvement of the utility model, the porous aperture of the voltage stabilizing plate is 1-2 mm.
As a further improvement of the present utility model, the cavitation bubble generator includes a high-pressure water pump and a cavitation bubble generating device.
As a further improvement of the utility model, a lower water inlet pipe orifice is arranged on the lower side wall of the cylindrical flotation body cylinder, and is connected with the pipe orifice of the cavitation bubble generator in a tangential, involute or spiral line mode.
As a further improvement of the utility model, an annular concentrate collecting tank is arranged on the top outer wall of the cylindrical flotation body cylinder body in a surrounding manner.
As a further development of the utility model, the annular concentrate collection tank is provided with concentrate discharge openings.
As a further improvement of the utility model, the bottom of the conical tube body of the flotation body is provided with a tailing discharge port.
As a further improvement of the utility model, the flotation body cylindrical barrel is connected with the flotation body conical pipe in a matched mode, and the lower water inlet pipe is arranged at the connection position of the flotation body cylindrical barrel and the flotation body conical pipe.
As a further improvement of the utility model, the raw ore feeding pipe is fixedly connected with the feed inlet at the top of the cylindrical barrel of the flotation body
The beneficial effects of the utility model are as follows:
1. According to the cyclone cavitation coupled micro-fine particle mineral flotation equipment provided by the utility model, the hydrodynamic cavitation bubbles generated by the cavitation bubble generator are applied to the flotation equipment, the hydrodynamic cavitation bubbles are pressed to be fed into the stirring area of the flotation equipment, the cavitation bubbles collapse to generate shock waves to clean the surfaces of mineral particles, the effect of dispersing minerals is achieved, special micro-bubbles and micro-fine particle concentrate are released to form mineralized bubbles to float upwards, the recovery rate of micro-fine particle minerals difficult to float is remarkably improved, the dosage of agents is reduced, and the efficient flotation is realized.
2. According to the cyclone cavitation coupled micro-fine particle mineral flotation equipment provided by the utility model, the self-rolling cyclone separation area is formed in the conical tube body of the flotation body by regulating the water flow speed of the cavitation bubble generator, the porous pressure stabilizing plate is positioned at a proper separation position of the foam layer and the watertight area, so that the cyclone cavitation coupled micro-fine particle mineral flotation equipment can play a role in stabilizing the water pressure of the conical tube body at the lower part relatively and maintain the stable ore feeding speed, a pre-slurry ore sample is injected into the flotation body, the mineralized foam flow rises to the annular concentrate collecting tank, and the tailings are discharged from the bottom ore discharge port, so that the flotation effect is remarkably improved.
Drawings
Fig. 1 is a schematic structural diagram of a cyclone cavitation coupled micro-fine mineral flotation device provided by the utility model.
Reference numerals
1-Raw ore feeding pipe, 2-concentrate discharge port, 3-pressure stabilizing plate, 4-cavitation bubble generating device, 5-high pressure water pump, 6-lower water inlet pipe orifice, 7-flotation body cylindrical barrel, 8-flotation body conical pipe body and 9-tailing discharge port.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in detail with reference to the accompanying drawings and specific embodiments.
It should be noted that, in order to avoid obscuring the present utility model due to unnecessary details, only structures and/or processing steps closely related to aspects of the present utility model are shown in the drawings, and other details not greatly related to the present utility model are omitted.
In addition, it should be further noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Referring to fig. 1, the utility model provides a cyclone cavitation coupled micro-fine mineral flotation device, which comprises a flotation body part and a cavitation bubble generator.
The upper end of the flotation body is provided with a feed inlet and an annular concentrate collecting tank, the lower end of the flotation body is provided with a tailing discharge outlet, and the middle part of the flotation body is provided with a porous structure pressure stabilizing plate 3 capable of passing through mineralized microbubbles.
In some embodiments, the flotation body comprises a flotation body cylindrical barrel 7 which is positioned at the upper part and used for raw ore feeding and concentrate collection, a flotation body conical pipe 8 which is positioned at the lower part and used for tailing discharging, a raw ore feeding pipe 1 which is arranged at the axial center position of the inner cavity of the flotation body cylindrical barrel, and a pressure stabilizing plate 3.
Referring to fig. 1, the stabilizer 3 is provided with a middle through hole, and the raw ore feeding pipe penetrates through the middle through hole. Namely, the raw material feeding pipe 1 is inserted into the porous stabilizing plate 3, the lower end pipe orifice of the raw material feeding pipe is led to the conical pipe body 8 of the flotation body, and the upper end pipe orifice of the raw material feeding pipe is connected with the feed inlet at the top of the cylindrical barrel 7 of the flotation body.
And, the last porous structure that is equipped with of stabilizer 3, its porous aperture is 1~2mm.
In some embodiments, the pressure stabilizing plate 3 is slidably connected or bolted to the annular inner wall of the cylindrical flotation body 7, so that the position of the pressure stabilizing plate 3 can be adjusted in the flotation process, so that the pressure stabilizing plate is always at a proper separation position of foam and watertight area, mineralized microbubbles can be effectively separated from ore pulp through the pressure stabilizing plate 3, and the pressure stabilizing plate can play a role in stabilizing the water pressure of the lower conical tube.
The flotation body cylindrical bowl 7 comprises an annular concentrate collecting tank, a concentrate discharge opening 2 and a lower water inlet nozzle 6.
The annular concentrate collecting tank is enclosed and located on the outer wall of the top of the flotation body cylindrical barrel 7, and the concentrate discharge port 2 is arranged at the bottom end of the annular concentrate collecting tank for concentrate recovery.
The flotation body cylindrical barrel 7 is connected with the flotation body conical pipe body 8 in a matched mode, and the lower water inlet pipe orifice 6 is arranged at the connection position of the flotation body cylindrical barrel 7 and the flotation body conical pipe body 8.
Referring to fig. 1, the cavitation bubble generator includes a high-pressure water pump 5 and a cavitation bubble generating device 4.
The lower water inlet pipe orifice 6 is connected to the pipe orifice of the cavitation bubble generator 4 along a tangential line, involute or spiral line.
The high-pressure cavitation bubble water flow generated by the cavitation bubble generator enters the inner cavity of the flotation body from the water inlet pipe orifice 6 at the lower part of the cylindrical flotation body cylinder 7, cavitation bubbles collapse to generate shock waves, release a large number of special nano microbubbles and form self-rolling rotational flow. After pulp and medicament are pre-mixed, a raw material ore feeding pipe 1 fixedly arranged at the axis of a cylindrical flotation body cylinder 7 enters a conical flotation body 8 below a pressure stabilizing plate 3, the surfaces of mineral particles are affected by collapse of cavitation bubbles, the mineral particles are sufficiently loosened to form fine and stable mineralized bubbles, the mineral particles float upwards to an annular concentrate collecting tank arranged outside the top end through a porous pressure stabilizing plate 3 to form final concentrate, and tailings are discharged from a lower tailing discharge port 9.
The working mechanism and the operation mode of the cyclone cavitation coupled micro-fine particle mineral flotation equipment provided by the utility model are as follows:
The method comprises the steps of firstly, opening a high-pressure water pump 5 and a cavitation bubble generating device 4 in a cavitation bubble generator, adjusting the water flow speed to 5-20m/s, collapsing cavitation bubbles to generate shock waves, and releasing a large number of special nano microbubbles to form a separation area of self-entrainment rotational flow in a conical tube body 8 of a flotation body;
Step two, adjusting the porous pressure stabilizing plate 3 to be positioned at a proper separation position of the foam and the watertight area;
turning on a pulp pump, maintaining a stable feeding speed of 10-15m/s, feeding through a raw ore feeding pipe 1, injecting a pre-pulp ore sample into a flotation body, fully loosening the surfaces of mineral particles under the influence of cavitation bubble collapse, forming fine and stable mineralized bubbles, floating up to an annular concentrate collecting tank arranged outside the top through a porous stabilizing plate 3, collecting concentrate through a concentrate discharge port 2, and discharging tailings through a bottom tailing discharge port 9.
The specific application of the cyclone cavitation coupled micro-fine mineral flotation device is further described below in connection with specific examples of minerals of a Tibetan certain mine.
The mineral of some Tibet ore is fine particle chalcopyrite, the suspended particle size is below 38 μm, the mass concentration of ore pulp is 30%.
When the cyclone cavitation coupled micro-particle mineral flotation equipment is adopted for application operation test, a flotation reagent and a mineral sample are added and mixed in a stirring barrel according to a certain proportion for pre-pulping, a collector is added after stirring for 3min, and under the condition of cavitation water flow speed of 10m/s, the recovery rate of molybdenum extremely difficult to recover reaches 75 percent, which is far higher than the recovery rate of about 40 percent of the conventional flotation equipment, so that the cyclone cavitation coupled micro-particle mineral flotation equipment has stronger micro-particle mineral flotation recovery capability.
In summary, the utility model provides a cyclone cavitation coupled micro-fine mineral flotation device comprising a cylindrical flotation body part and a cavitation bubble generator. The upper end of the flotation body is provided with a feed inlet and an annular concentrate collecting tank, the lower end of the flotation body is provided with a tailing discharge outlet, and the middle part of the flotation body is provided with a porous pressure stabilizing plate capable of passing through mineralized microbubbles. The cavitation bubble water generated by the cavitation bubble generator releases special nano microbubbles in a conical tube body of a flotation body at the lower part of flotation equipment through a pressure feeding device and generates self-entrainment rotational flow, and the special nano microbubbles and mineral particles in a raw ore feeding tube rapidly form mineralization and floating to form concentrate. The hydraulic cavitation bubbles generated by the cavitation bubble generator are applied to the flotation equipment and are pressed into a stirring area of the flotation equipment, the cavitation bubbles collapse to generate shock waves to clean the surfaces of mineral particles, the effect of dispersing minerals is achieved, special microbubbles and fine particle concentrate are released to form mineralized bubbles to float upwards, the recovery rate of the fine particle minerals difficult to float is remarkably improved, the dosage of medicaments is reduced, and high-efficiency flotation is realized.
The above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model.
Claims (10)
1. A cyclone cavitation coupled micro-fine particle mineral flotation device is characterized by comprising a flotation body and a cavitation bubble generator;
The flotation body comprises a flotation body cylindrical barrel which is positioned at the upper part and used for raw ore feeding and concentrate collecting, a flotation body conical pipe body which is positioned at the lower part and used for sorting and tailing discharging, a raw ore feeding pipe which is arranged at the axis of the flotation body cylindrical barrel, and a pressure stabilizing plate;
The pressure stabilizing plate is in sliding connection or bolt connection with the annular inner wall of the flotation body cylindrical barrel, so that the pressure stabilizing plate is positioned at a separation position of the foam and the watertight area;
the pressure stabilizing plate is provided with a middle through hole, and the raw ore feeding pipe penetrates through the middle through hole.
2. The cyclone cavitation coupled micro-fine mineral flotation device of claim 1, wherein the stabilizing plate is provided with a porous structure in a surrounding manner.
3. The cyclone cavitation coupled micro-fine particle mineral flotation equipment according to claim 2, wherein the porous aperture of the stabilizing plate is 1-2 mm.
4. The cyclone cavitation coupled micro-fine mineral flotation device of claim 1, wherein the cavitation bubble generator comprises a high pressure water pump and a cavitation bubble generating device.
5. The cyclone cavitation coupled micro-fine mineral flotation device of claim 1, wherein a lower water inlet pipe orifice is arranged on the lower side wall of the cylindrical flotation body cylinder, and is connected to the pipe orifice of the cavitation bubble generator in a tangential, involute or spiral mode.
6. The cyclone cavitation coupled micro-fine mineral flotation device of claim 1, wherein the top outer wall of the cylindrical flotation body cylinder is provided with an annular concentrate collecting tank.
7. The cyclone cavitation coupled micro-fine mineral flotation device of claim 6, wherein the annular concentrate collection tank is provided with a concentrate discharge port.
8. The cyclone cavitation coupled micro-fine mineral flotation device of claim 1, wherein a tailing discharge port is arranged at the bottom of the conical tube body of the flotation body.
9. The cyclone cavitation coupled micro-fine particle mineral flotation device according to claim 5, wherein the flotation body cylindrical barrel and the flotation body conical tube body are connected in a matched mode, and the lower water inlet pipe is arranged at the connection position of the flotation body cylindrical barrel and the flotation body conical tube body.
10. The cyclone cavitation coupled micro-fine mineral flotation device of claim 1, wherein the raw mineral feeding pipe is fixedly connected with a feed inlet at the top of the cylindrical cylinder of the flotation body.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222678366U true CN222678366U (en) | 2025-03-28 |
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