13/03/2014 General electronics
The solid particles in the slurry precipitate to the wall or bottom of the container under the action of gravity or centrifugal force, so that a relatively dilute slurry divide into the supernatant and concentrated slurry process, known as the high efficiency concentrator. The resulting solid particles in the gravitational field due to the density differential natural settling dehydrated, called gravity concentrated; differential sedimentation in a centrifugal field, called concentrated by centrifugation, and concentrated to normal processing slurry or suspension of the solid phase and a liquid phase density.
High efficiency concentrator facilities generally include tailings storage systems, conveyor belt systems, backwater systems and tailings water purification system.
1. the initial tailings dam stirring tanks. Tailings dams and tailings typically include the initial fill dam in two parts. The former is put into production before the tailings settling ponds with earth, stone and other basic dam built heap. The latter is put into production after the tailings settling ponds, on the basis of the initial dam with a clay heap or tailings dam building. Tailings dam is the role of a certain volume of the sedimentation tank, easy tailings dumps therein.
2. tailings settling ponds. Tailings settling ponds and tailings storage dam is the main structure of the ore processing plant, is the theme of the tailings facility. According to terrain conditions and construction methods, tailings settling ponds into the Valley, flood and slope type and flat type three types.
3. tailings delivery. Mostly flotation concentrator tailings discharge slurry form, the use of hydraulic transport. Common methods of tailings belt conveyor gravity flow, pressure, transport and joint delivery of three.
Requirements for initial dam, depending on the size of the processing plant, the length of life, how much water and the need to return to the safety of the downstream effects vary. A longer useful life large tailings settling ponds, backwater volume and a greater threat to the downstream safety, should repair the dam body is higher, relatively strong initial dam. Under normal circumstances, may be the most economical dam construction.
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