Unpowered gas stirring type flotation device and flotation method
A power gas and flotation device technology, applied in flotation, solid separation, etc., can solve the problems of hindering the adhesion of particles and air bubbles, raising the upper limit of flotation particle size, etc., and achieve the goal of improving the overall recovery rate and increasing the capture probability Effect
Active Publication Date: 2021-10-01
HUNAN SHIZHUYUAN NON FERROUS METAL +1
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Problems solved by technology
[0004] The analysis and research of scholars at home and abroad have found that the high-speed rotation of the impeller in the mechanically agitated flotation machine will lead to strong turbulent movement of the pulp, thereby hindering the adhesion of particles and air bubbles. In this example, the air bubbles will fall off, which is coarse-grained flotation The root cause that is difficult to carry out, yet due to the unstable hydraulic environment of mechanically agitated flotation, the upper limit of flotation particle size is difficult to improve in this embodiment
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[0030] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.
[0031] Refer to attached Figure 1-Figure 4 , a kind of unpowered gas agitation type flotation device provided by the present invention comprises a columnar barrel body 4 and a stirring sleeve 12 fixedly installed in the columnar barrel body 4, and also includes:
[0032] The concentrate overflow tank 7 fixedly arranged on the outside of the top of the columnar barrel body 4 is used to quickly discharge the flotation concentrate particles. The bottom of the bottom is connected with a concentrate discharge tank 14 for discharging the flotation concentrate particles in the concentrate overflow tank 7 to avoid the accumulation of the flotation concentrate particles in ...
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Abstract
The invention relates to the technical field of mineral processing, in particular to an unpowered gas stirring type flotation device and a flotation method.The unpowered gas stirring type flotation device comprises a columnar barrel body and a stirring sleeve fixedly installed in the columnar barrel body, and further comprises a concentrate overflow groove fixedly formed in the outer side of the top end of the columnar barrel body; wherein one side of the bottom end of the concentrate overflow groove is communicated with a concentrate discharge groove; a raw ore feeding pipe arranged in the columnar barrel body, wherein one end of the raw ore feeding pipe is fixedly communicated with a stirring mineralization mechanism, and feeding porous distributors are uniformly distributed and communicated at the bottom of one end, arranged on the stirring sleeve, of the raw ore feeding pipe; and a microporous ceramic tube fan-shaped distributor is fixedly mounted in the bottom end of the stirring sleeve and is fixedly communicated with an inflating mechanism. According to the invention, coarse ore pulp particles with general hydrophobicity can be subjected to secondary collision and adhesion with bubbles through multiple authigenic cycles, so that the capturing probability of the coarse particles is improved, and the total recovery rate is improved.
Description
technical field [0001] The invention relates to the technical field of mineral processing, in particular to a non-powered gas stirring type flotation device and a flotation method. Background technique [0002] With the rapid development of my country's economy and society, mineral resources have been exploited in large quantities, and the resources are poor, fine and miscellaneous, which puts forward higher requirements for mineral processing technology and equipment. Taking the field of non-ferrous metal ore separation as an example, research statistics show that the power consumption of ore grinding accounts for 45% to 55% of the total power consumption of the concentrator, and increasing the particle size of mineral flotation can greatly reduce the power consumption of grinding. However, the upper limit of the size of minerals processed by conventional coarse-grained mineral flotation equipment is limited, and the low-dissociation coarse particles have a high probability...
Claims
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Login to View More IPC IPC(8): B03D1/14B03D1/22
CPCB03D1/1443B03D1/22
Inventor 韩海生高湘海彭建段瑶孙伟龙冰肖遥黄春海胡岳华宁丰
Owner HUNAN SHIZHUYUAN NON FERROUS METAL