CN113102117B - Focusing ultrasonic enhanced flotation bubble mineralization device - Google Patents
Focusing ultrasonic enhanced flotation bubble mineralization device Download PDFInfo
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- CN113102117B CN113102117B CN202110488395.4A CN202110488395A CN113102117B CN 113102117 B CN113102117 B CN 113102117B CN 202110488395 A CN202110488395 A CN 202110488395A CN 113102117 B CN113102117 B CN 113102117B
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- flotation
- ultrasonic
- flotation column
- ultrasonic transducers
- bubble
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B3/00—Methods or apparatus specially adapted for transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B3/04—Methods or apparatus specially adapted for transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency involving focusing or reflecting
Abstract
The invention discloses a focusing action type ultrasonic intensified flotation bubble mineralization device, wherein a flotation column body is narrowed from the middle part to the top part and the bottom part respectively, the side wall of the flotation column body is provided with six ultrasonic transducers, three ultrasonic transducers are distributed on the same horizontal height of the upper part of the flotation column body, the three ultrasonic transducers are sequentially spaced at 90 degrees on the circumference, each ultrasonic transducer is fixedly connected with an ultrasonic excitation plate, the other three ultrasonic transducers are distributed on the same horizontal height of the lower part of the flotation column body, the six ultrasonic transducers and the ultrasonic excitation plates are arranged in mirror symmetry relative to the horizontal plane, and the ultrasonic excitation plates of the ultrasonic transducers which are opposite on the upper part and the lower part of the flotation column body are mutually parallel. The ultrasonic transducers in the invention adopt a focusing distribution mode, so that the ultrasonic vibration plates connected with the ultrasonic transducers can jointly act on the same area, and the reinforcing effect of ultrasonic waves on collision adhesion between flotation bubbles and ore pulp particles is sufficient.
Description
Technical Field
The invention relates to a flotation bubble mineralization device.
Background
At present, flotation equipment is divided into a flotation column and a flotation machine, and the flotation column is widely applied due to the advantages of simple structure, high productivity, high concentrate quality and the like. The excellent degree of the flotation process in the column flotation technology has obvious influence on the mineral separation efficiency, the fact that mineral particles can effectively collide and adhere to flotation bubbles in the mineralization process is the key of the column flotation technology, but the high requirement on the green environmental protection aspect of the flotation process is met, a large amount of flotation chemical reagents are added in the flotation process in the current stage, a large amount of wastewater containing the chemical reagents is generated, the waste treatment difficulty is high, and the influence on the environmental protection is high.
The ultrasonic technology is applied to the column flotation process, and the ultrasonic wave is external field energy, so that the surface of mineral particles can be cleaned, the dynamic performance of flotation bubbles can be obviously influenced, and the improvement of the flotation bubble strengthening mineralization process through the ultrasonic wave has important significance for improving the column flotation separation efficiency.
Disclosure of Invention
The purpose of the invention is as follows: aiming at the prior art, the focusing ultrasonic enhanced flotation bubble mineralization device is provided, so that the collision adhesion efficiency between flotation bubbles and mineral particles is enhanced, and the mineralization process is promoted.
The technical scheme is as follows: the utility model provides a focusing action formula supersound intensive flotation bubble mineralize mineralization device, includes the flotation column cylinder, the flotation column cylinder narrows down from the middle part respectively to top and bottom, set up totally six ultrasonic transducer on the flotation column cylinder lateral wall, wherein three ultrasonic transducer distribute in on the same level height in flotation column cylinder's upper portion, three ultrasonic transducer's interval 90 in proper order on the circumference, ultrasonic transducer's tip stretches into in the flotation column cylinder to at tip fixed connection an ultrasonic excitation board, three ultrasonic transducer distribute in on the same level height in flotation column cylinder's lower part, six ultrasonic transducer and ultrasonic excitation board set up about horizontal mirror symmetry, relative ultrasonic transducer's ultrasonic excitation board is parallel to each other on flotation column cylinder upper portion and the lower part.
Further, flotation column cylinder lateral wall top is connected with the ore pulp input tube, flotation column cylinder lower part lateral wall is connected with the back flow, the lateral wall bottom of flotation column cylinder is connected with the flotation bubble input tube, the back flow passes through the circulating pump and connects bubble generator, bubble generator connects the flotation bubble input tube.
Furthermore, ultrasonic vibrators are further distributed on two sides of the flotation bubble input pipe.
Has the advantages that: 1. the arrangement mode of the ultrasonic transducers in the invention adopts a focusing distribution mode, so that the ultrasonic vibration plates connected with the ultrasonic transducers can act on the same area, the ultrasonic waves can be focused in the area at the same time, and the reinforcing effect of the ultrasonic waves on the collision adhesion between flotation bubbles and ore pulp particles is sufficient.
2. The flotation bubble ultrasonic pretreatment method is adopted, the flotation bubbles generated by the bubble generator are screened through the ultrasonic vibrator, the flotation bubbles with larger diameters are cracked into the flotation bubbles with smaller diameters, the phenomenon that the flotation bubbles are seriously broken in a flotation column at the same time is prevented, the gas content in the flotation column is reduced, and the mineralization efficiency of ore pulp particles and the flotation bubbles is influenced.
Drawings
FIG. 1 is a schematic view of the assembly of the apparatus of the present invention;
FIG. 2 is a schematic perspective view of a flotation column of the present invention with an ultrasonic transducer connected to the column;
fig. 3 is a schematic cross-sectional structure diagram of the flotation column body connected with an ultrasonic transducer.
Detailed Description
The invention is further explained below with reference to the drawings.
As shown in fig. 1-3, a focusing ultrasonic enhanced flotation bubble mineralization device comprises a flotation column body 1, the flotation column body 1 is narrowed from the middle part to the top part and the bottom part respectively, six ultrasonic transducers 7 are arranged on the side wall of the flotation column body 1, wherein the three ultrasonic transducers 7 are distributed on the same horizontal height of the upper part of the flotation column body 1, the three ultrasonic transducers 7 are sequentially arranged at intervals of 90 degrees on the circumference, namely, the three ultrasonic transducers are arranged in a T shape, the end parts of the ultrasonic transducers 7 extend into the flotation column body 1, and the end parts are fixedly connected with an ultrasonic excitation plate 8. The other three ultrasonic transducers 7 are distributed on the same horizontal height of the lower part of the flotation column body 1, the six ultrasonic transducers 7 and the ultrasonic vibration plates 8 are arranged in mirror symmetry with respect to the horizontal plane, and the ultrasonic vibration plates 8 of the ultrasonic transducers 7 which are opposite on the upper part and the lower part of the flotation column body 1 are parallel to each other.
The connection mode of the ultrasonic transducer 7 and the flotation column body 1 is as follows:
a hole is formed in the side wall of the flotation column body 1 in advance, a fixing flange is welded, a connecting flange is fixedly connected to the bolt fastening type ultrasonic transducer 7 in advance, one section of the ultrasonic transducer 7 extends into the flotation column body 1 and is fastened with the connecting flange through the bolt connection fixing flange, and a waterproof sealing rubber sleeve is arranged between the ultrasonic transducer 7 and the mounting hole.
The top of the side wall of the flotation column cylinder 1 is connected with an ore pulp input pipe 3 used for injecting ore pulp into the flotation column cylinder 1, the side wall of the lower part of the flotation column cylinder 1 is connected with a return pipe 4, the bottom of the side wall of the flotation column cylinder 1 is connected with a flotation bubble input pipe 5, the return pipe 4 is connected with a bubble generator 10 through a circulating pump 9, the bubble generator 10 is connected with the flotation bubble input pipe 5, and the flotation bubble input pipe 5 is further connected with a flow valve 12. Ultrasonic vibrators 11 are further arranged on two sides of the flotation bubble input pipe 5. And a tailings output pipe 6 with a control valve 13 is also arranged at the bottom of the flotation column body 1.
The bubble generating device comprises a circulating pump 9, a bubble generator 10, an ultrasonic vibrator 11 and a flow valve 12, the circulating pump 9, the bubble generator 10 and the flow valve 12 are sequentially connected through a return pipe 4 on the flotation column body 1, the bubble generator 10 is communicated with a flotation bubble input pipe 5, and the circulating pump 9 is arranged between the return pipe 4 and the bubble generator 10 and can adjust the return flow and the return speed of liquid flowing to the bubble generator 10 in the flotation column body 1; 4 ultrasonic vibrator 11 have been arranged to flotation bubble input tube 5 both sides, ultrasonic vibrator 11 is fixed on 5 pipe walls of flotation bubble input tube through sealed glue, produce the ultrasonic wave and carry out the preliminary screening through the flotation bubble to the cavitation of flotation bubble to the bubble generator 10 production, carry out the primary screening to the flotation bubble that produces, with the great flotation bubble schizolysis of diameter wherein become the flotation bubble of less diameter, prevent it and break simultaneously, reduce the mineralize mineralization efficiency of ore pulp granule and flotation bubble.
The flotation process method of the device comprises the following specific steps:
1. ore pulp is injected into the flotation column body 1 through the ore pulp input pipe 3, the concentration of the ore pulp is reduced after the ore pulp enters the flotation column body 1, and ore pulp particles in the ore pulp sink under the action of gravity, so that the flotation column body 1 is filled with the ore pulp particles;
2. the liquid flowing out of the flotation column body 1 enters a bubble generator 10 through a return pipe 4 under the control of a circulating pump 9, and the liquid injected from the flotation column in the bubble generator 10 forms tiny bubbles under the shearing action of air and is input into the flotation column body 1;
3. the micro bubbles generated by the bubble generator are subjected to the action of ultrasonic waves generated by the ultrasonic vibrator 11 at the outer side in the flotation bubble input pipe 5, the ultrasonic waves pretreat the flotation bubbles through the cavitation effect of the bubbles, the flotation bubbles with larger diameters are split into a plurality of flotation bubbles with smaller diameters, and the difficulty of completing the mineralization process by collision and adhesion of the flotation bubbles and ore pulp particles is reduced;
4. flotation bubbles are injected into the flotation column body 1 through the flotation bubble input pipe 5, the flotation bubbles float upwards in the flotation column body 1, ore pulp particles and the flotation bubbles move in opposite directions in liquid, and finally the ore pulp particles and the flotation bubbles collide and adhere to form mineralized bubbles for mineralization;
5. when ore pulp particles are attached to flotation bubbles to carry out a mineralization process, the ultrasonic transducer 7 fixed on the flotation column body 1 carries out strengthening action on the mineralization bubbles and flotation bubbles which are not mineralized, the diameter size and the motion trail of the flotation bubbles are changed, the mineralization efficiency of the ore pulp particles and the flotation bubbles is improved, mineral particles with better flotability float upwards along with the bubbles and are carried to the top of the flotation column body, a mineralization foam layer is formed at the top of the flotation column body, and the mineralization foam layer is collected and separated;
6. the unseparated ore pulp which is difficult to float continuously sinks to the bottom of the flotation column body 1 and is discharged through a tailing outlet 6 at the bottom.
In the device, all the ultrasonic transducers can jointly act in the same area through the ultrasonic transducers 7 which are arranged in a T shape in a single layer and the six ultrasonic transducers 7 on the upper layer and the lower layer, so that ultrasonic waves can be effectively focused, the collision adhesion efficiency between flotation bubbles and mineral particles is enhanced, and the mineralization process is promoted. The invention adopts the method of preprocessing the flotation bubbles by using the low-frequency ultrasonic vibrator to split the flotation bubbles with larger diameter generated in the bubble generator into the flotation bubbles with smaller diameter, thereby preventing the flotation bubbles from being broken simultaneously in the collision process and improving the gas content in the liquid of the flotation column.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (2)
1. The focusing action type ultrasonic intensified flotation bubble mineralization device is characterized by comprising a flotation column cylinder (1), wherein the flotation column cylinder (1) is respectively narrowed from the middle part to the top part and the bottom part, six ultrasonic transducers (7) are arranged on the side wall of the flotation column cylinder (1), three ultrasonic transducers (7) are distributed on the same horizontal height of the upper part of the flotation column cylinder (1), the three ultrasonic transducers (7) are sequentially spaced at 90 degrees on the circumference, the end parts of the ultrasonic transducers (7) extend into the flotation column cylinder (1), and are fixedly connected with an ultrasonic vibration plate (8) at the end parts, the other three ultrasonic transducers (7) are distributed on the same horizontal height of the lower part of the flotation column cylinder (1), and the six ultrasonic transducers (7) and the ultrasonic vibration plate (8) are arranged in mirror symmetry with respect to the horizontal plane, the ultrasonic vibration plates (8) of the ultrasonic transducers (7) which are opposite on the upper part and the lower part of the flotation column cylinder (1) are parallel to each other;
flotation column cylinder (1) lateral wall top is connected with ore pulp input tube (3), flotation column cylinder (1) lower part lateral wall is connected with back flow (4), the lateral wall bottom of flotation column cylinder (1) is connected with flotation bubble input tube (5), bubble generator (10) are connected through circulating pump (9) in back flow (4), bubble generator (10) are connected flotation bubble input tube (5).
2. The focused action type ultrasonic intensified flotation and bubble mineralization device according to claim 1, wherein ultrasonic vibrators (11) are further arranged on two sides of the flotation bubble input pipe (5).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110488395.4A CN113102117B (en) | 2021-05-06 | 2021-05-06 | Focusing ultrasonic enhanced flotation bubble mineralization device |
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| CN202110488395.4A CN113102117B (en) | 2021-05-06 | 2021-05-06 | Focusing ultrasonic enhanced flotation bubble mineralization device |
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| CN113102117A CN113102117A (en) | 2021-07-13 |
| CN113102117B true CN113102117B (en) | 2022-05-17 |
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Citations (6)
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| DE4420210A1 (en) * | 1994-06-09 | 1995-12-14 | Donalies Michael Dipl Chem | Sepn. of solids and hydrophobic matter in suspensions |
| CN101642732A (en) * | 2009-08-06 | 2010-02-10 | 北京矿冶研究总院 | Mineral flotation column |
| CN106040441A (en) * | 2016-07-26 | 2016-10-26 | 中国矿业大学 | Cyclone-static micro bubble flotation column ultrasonic enhanced pipe flow section mineralization device |
| CN208611856U (en) * | 2018-04-06 | 2019-03-19 | 辽宁天利金业有限责任公司 | A kind of biological oxidation gold extraction reactor ultrasonic wave defoaming device |
| CN109939839A (en) * | 2019-04-29 | 2019-06-28 | 中国矿业大学 | A kind of fluid cooperative reinforcing floatation separator and method |
| CN210207231U (en) * | 2019-04-29 | 2020-03-31 | 中国矿业大学 | Fluid synergistic enhanced flotation separation device |
-
2021
- 2021-05-06 CN CN202110488395.4A patent/CN113102117B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4420210A1 (en) * | 1994-06-09 | 1995-12-14 | Donalies Michael Dipl Chem | Sepn. of solids and hydrophobic matter in suspensions |
| CN101642732A (en) * | 2009-08-06 | 2010-02-10 | 北京矿冶研究总院 | Mineral flotation column |
| CN106040441A (en) * | 2016-07-26 | 2016-10-26 | 中国矿业大学 | Cyclone-static micro bubble flotation column ultrasonic enhanced pipe flow section mineralization device |
| CN208611856U (en) * | 2018-04-06 | 2019-03-19 | 辽宁天利金业有限责任公司 | A kind of biological oxidation gold extraction reactor ultrasonic wave defoaming device |
| CN109939839A (en) * | 2019-04-29 | 2019-06-28 | 中国矿业大学 | A kind of fluid cooperative reinforcing floatation separator and method |
| CN210207231U (en) * | 2019-04-29 | 2020-03-31 | 中国矿业大学 | Fluid synergistic enhanced flotation separation device |
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