Beneficiation is based on the physical and chemical properties of different minerals in the ore
Beneficiation is based on the physical and chemical properties of different minerals in the ore, after crushing the ore milled, using gravity separation, flotation, magnetic separation, electrostatic separation method to separate the useful minerals and gangue minerals, and variousspecies of symbiotic useful minerals as possible separated from each other, and to remove or reduce harmful impurities, to obtain the raw materials required for smelting or other industrial process. Mechanical implementation of this process is known as mineral processing machinery, processing machinery beneficiation process is divided into crushing, grinding, screening, sorting (sorting) and dehydration machinery.
Commonly used crushing machinery are jaw crusher, gyratory crusher, cone crusher, roll crusher, impact crusher machine; grinding machinery of the most widely used is the drum mill, rod mill, ball mill, pebble mill and from the mill, and the like; screening machinery are commonly used inertial vibration sieve and a resonance screen; grading machine, hydraulic and mechanical grading machine is widely used in the classification in the wet classification operating machinery.
Gravity separation machinery is the use of mineral particles and gangue differences in density and particle size, sorting equipment in a moving medium, including the the jigger, heavy media beneficiation machine and centrifugal concentrator several.
Jigger with the diaphragm, piston or compressed air to the water in the tank to form water, mineral particles in the pulsating action of water density, granularity so placed in the sieve. Density mineral particles through the sieve bed stone layer, gathered at the bottom of the tank to become the concentrate is discharged from the discharge mouth. For sorting metal ore trapezoid jigger, double chamber movable the the conical bottom jigger jigger and complex vibration type; side drum jigger and undersize air chamber jigging for coal preparation machine.
Heavy media beneficiation machine is as heavy medium suspension or heavy liquid separation of mineral particles and waste rock. Vibration chute heavy medium heavy medium hydrocyclone helical wheel heavy medium coal preparation machine and vertical wheel heavy medium coal preparation machine.
Mineral Processing Equipment Flotation machine has excellent performance in many mineral flotation. Lead-zinc flotation job is a role that can not be compared to other devices. aac plant Now we come to the main look flotation machine in the main application of lead-zinc oxide.
Lead and zinc oxide flotation machine flotation process,ball mill there are solid, liquid and gas phase, solid, liquid, gas, the role of the three-phase, so that the the flotation process becomes complex physical, chemical, physical chemistry and colloid chemistry process. In the flotation process, the solid phase of the oxidation of lead and zinc, Autoclaved Aerated Concrete is finely ground to particles having a different particle size, some particles of insoluble precipitate is generated in the float manufacturing process. aac machinery The complexity of its composition formula can only write its main ingredients finely dispersed inclusions in the mineral lattice the isomorphous replace the multi-element matter of Taiwan can not be written. aac line The chemical composition and structure of the mineral determines the nature of the surface of the mineral. The same as the chemical composition of minerals, and its structure is not the same time, LECA production line its physical and chemical properties are different. The structure of the mineral means constituting the mutual arrangement relationship between each atom of the mineral,ball mill it depends on the connection between the atoms and atom key. Roatry dryer The characteristics of the mineral lattice has many defects, these defects mineral performance heterogeneity, Copper flotation which led to the changes in the nature of the mineral.
beneficiation plant Lead-zinc oxide composition, structure and character defects has important implications for flotation machine. Mineral in the key force in determining the surface properties of the mineral, which is decided minerals flotability. Flotator In the internal structure of Pb-Zn oxide and in the flotation system and the respective phases role case have an ionic bond, Flotation machine covalent bond and the van der Waals key As for the metallic bond deterred see.
Ionic bonds, also known as tariff keys, it determines the atoms of different elements lose or gain electrons and the ability to form a positively charged or negatively charged ions, LECA line an ionic bond in the opposite charge ions electrostatically attracted apparent. This ionic crystal table painted with a high activity; surface forces are strong static electricity, gold mine plant there is a strong attraction for water dipole, thus hydrophilic, natural flotability required exclusive polarity collector surface becomes hydrophobic collector layer to flotation.
Covalent bond, also known as the original bond or coordinate bond occurs between close to each other and having a number of electron atoms, wherein one or more electrons to bonded atoms are common. Copper flotation This key has saturated (no effects) with other atoms and amorphous distribution. Forming a covalent bond negatively charged electron pairs are biased in favor larger atom. benefaction machine Dipole moment commonly used to represent the polarity of the key in number. Electrically negative atoms greater the difference, Ore Processing Equipment the greater the dipole moment. Flotation machine Non-polar covalent bond (molecular bonds) I dipole moment is zero. rotary dryer Polar covalent bond molecules, the dipole moments of up to 4} the ionomer molecular dipole moment of up to 9-13. Ionic bond minerals larger the ratio, it is more reactive with water. Having an ionic bond and a covalent bond of the mineral surface is hydrophilic, Manganese Ore Processing plant is not easy to float
The centrifugal concentrator Is the machinery for metal recycling fine slimes mineral particles, mainly composed by two parts of the host control mechanism. In the centrifugal field generated by the high-speed rotation of the host conical drum, heavy minerals particles deposited on the drum wall become concentrates light mineral particles attached CONCENTRATES surface by flow membrane (slurry flow), the discharge drum Be the tailings.