9results about How to "Improve flotation efficiency" patented technology

The application discloses a coarse particle flotation machine, and particularly relates to the technical field of flotation machines, which comprises a flotation bin, a flotation mechanism, a driving mechanism, a scraping mechanism and a feeding mechanism, and further comprises a protection mechanism and a deposition treatment mechanism. Through the arrangement of the protection mechanism, the first jetting ports arranged in an inclined manner can spray upwardly moving rotating air flow to the inner wall of the flotation bin during the working process of the flotation machine. On the one hand, the coarse particles can be effectively reduced in deposition at the bottom or the corners, and when the coarse particles sink due to gravity, the upwardly moving rotating air flow can push the particles to move along a spiral track, prolong the residence time of the particles in the bubble enrichment area, and increase the collision frequency of the particles and the bubbles. On the other hand, the sprayed gas can form bubbles, the bubbles can collide with the coarse particles in the ore pulp, provide buoyancy for the upward floating of the coarse particles, reduce the deposition of the particles, and thus improve the recovery rate of the coarse particles and the flotation efficiency.

The utility model relates to the technical field of mineral processing, and discloses flotation equipment for phosphorus tail coarse grain treatment, which comprises a flotation tank, a feeding hole is formed in the right side of the flotation tank, and discharge holes are formed in the front side and the rear side of the flotation tank; fixing plates are fixedly mounted on the left sides and the right sides of the discharging openings in the front side and the rear side correspondingly, and a rotating shaft is rotationally mounted between the two fixing plates. According to the utility model, the fan blades provide stirring and air blowing operations for ore pulp through the operation of the driving motor, so that a layer of foam products is generated on the surface of the ore pulp, then foam is discharged by the discharging plate through the operation of the discharging motor, and when the foam is discharged by the discharging plate, the foam and mineral aggregates on the outer wall of the discharging plate can be scraped by the scraping plate. According to the device, while foam products are discharged, residual mineral aggregates on the outer wall of the discharging plate can be thoroughly discharged through displacement of the scraping plate, so that material residues are prevented, the discharging efficiency is improved, and the time required by flotation is shortened.

The embodiment of the present application discloses a kind of flotation column including column, distributor, bubble generator and mixer, during use, slurry is supplied into column by feed inlet, then bubble generator is opened, bubble is output via distributor, open mixer, mixer can form gas-liquid mixed medium, then mixed medium is output via distributor, bubble is contacted with mineral in slurry, hydrophobic mineral in slurry can be captured by bubble and discharged via concentrate outlet, and hydrophilic mineral will not be captured by bubble and discharged via tailings outlet, and based on this, the separation of useful mineral and gangue mineral can be completed.The flotation column provided by the embodiment of the present application, the distributor includes a base and a plurality of nozzles, one end of the plurality of nozzles is connected to the base, and the plurality of nozzles are inclinedly arranged in the height and width directions relative to the base, which can improve the flotation efficiency, the rotating flow field can pre-removal coarse gangue, reduce the phenomenon of gangue overgrinding, reduce energy consumption and reduce the problem of concentrate pollution.

The utility model discloses a kind of garbage incineration slag buoyancy multistage sorting equipment, specifically related to garbage incineration slag processing technical field, comprising: flotation tank, the bottom side middle of the flotation tank is provided with discharge pipe, and the outside of flotation tank is provided with return bend pipeline.The utility model is provided with return bend pipeline on the flotation tank, and multiple groups of aeration units are distributed on return bend pipeline, and aeration unit is composed of gas collector, air jet pipe, movable seat and connecting arm and other structures, and is matched with driving assembly, and multiple groups of air jet pipe on gas collector can be controlled to be folded inward or opened outward simultaneously, air is supplied to each gas collector through return bend pipeline and branch pipe, and then air can be sprayed from each air jet pipe by telescopic hose, under the cooperation of multiple groups of aeration units, and then air can be evenly supplied to each place in water, so that particles in water can be fully contacted with aeration bubble and float up, greatly improve the flotation efficiency of slag, and the use effect is better.

The application discloses a flotation inhibitor for whitening and upgrading of phosphogypsum, and a preparation method and application thereof. First, a polysaccharide inhibitor and a high-molecular inhibitor are uniformly mixed with water, heated and dissolved, and then a mixture of inorganic inhibitors, organic small-molecule inhibitors and polyphenol inhibitors is added thereto, and stirring is conducted until all the inhibitors are dissolved to obtain a compounded flotation inhibitor. When the prepared flotation inhibitor is used for flotation of the phosphogypsum, the content of CaSO4.2H2O and the whiteness of the phosphogypsum can be significantly improved, the content of SiO2 is reduced to about 0.5%, the purity and the recovery rate of the phosphogypsum are significantly improved, the loss of phosphorus resources is reduced, the resource utilization of the phosphogypsum is promoted, and the stock pressure is reduced.

The utility model relates to the technical field of mineral flotation, in particular to a large-flow ore pulp bubble manufacturing device and a flotation machine. Comprising a spiral air injection device and an air inlet pipe, the air inlet pipe is communicated with the top of the spiral air injection device, the bottom of the spiral air injection device is communicated with a plurality of direct injection pipes, and the direct injection pipes are located at the bottom of the spiral air injection device and arranged in the horizontal direction. By means of the structure, deposition of mineral powder at the bottom of the flotation machine can be reduced, when the mineral powder is deposited at the bottom of the flotation machine, high-pressure air sprayed out of the direct spraying pipe can blow the mineral powder deposited at the bottom of the flotation machine again, and therefore the flotation efficiency is improved; in addition, the content of air in the ore pulp can be increased through high-pressure air sprayed out of the direct spraying pipe, and the flotation efficiency is further improved.

The utility model relates to floatation device technical field, specifically disclose a quartz sand production is with mechanical stirring type floatation device, including device body, the inside of device body is provided with the stirring piece, the bottom end intercommunication of device body outer wall has the discharge pipe, the right side of device body is opened in the penetration and is provided with the bubble discharge port, the top of device body is provided with the apron, the bottom of apron is provided with dynamic airflow type foam cleaning structure, through the air flow that blower produces enters the air collection cavity through telescopic hose, blows out through the nozzle, nozzle dynamic movement forms directional air curtain, blows the foam of each position in device body to the bubble discharge port, eliminates the foam stagnation dead angle, makes the foam timely discharge, ensures that floatation work carries out continuously efficiently, further through dynamic airflow type foam cleaning structure expands the range of air flow cleaning, can carry out efficient cleaning to the foam in device body, avoids the foam accumulation in the device, effectively improves the floatation efficiency.

This invention relates to the field of computer graphics physical simulation technology, specifically to a solid-liquid-gas multiphase simulation method and apparatus for froth flotation processes. The method includes: performing fluid dynamics and mixture theory analysis on the multiphase flow composed of slurry and flotation reagents during flotation, establishing a multiphase flow simulation model of slurry and flotation reagents based on the volume fraction method; simulating the introduction of air and foam during flotation, constructing a unified calculation method and interaction mode based on the force relationship between foam and fluid, and completing the gas-liquid coupling between foam and slurry; and constructing a simulation model of hydrophilic and hydrophobic flocs based on multiphase flow and surface tension simulation methods, combined with the property of flotation reagents changing the hydrophilicity and hydrophobicity of mineral particles, thereby realizing the multiphase fluid environment within the flotation cell and the solid-liquid coupling between mineral particles. This invention solves the dependence on manual operation for state perception and control parameter adjustment in the flotation process, providing mechanistic analysis and visual verification for improving foam grade and optimizing the flotation process.