Dry heaping and wet discharging combined tailing heaping and discharging method

A dry tailings, combined technology, applied in separation methods, chemical instruments and methods, filling and other directions, can solve the problems of fine tailings dam difficulty and other problems, and achieve the effect of solving the problem of tailings stacking and discharging

Active Publication Date: 2013-11-20
SINOSTEEL MAANSHAN INST OF MINING RES
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Problems solved by technology

[0007] The purpose of the present invention is to solve the problem of difficulty in dam-stacking of fine-grained tailings in the prior art, and to provide a tailings stacking method combining dry stacking and wet sta

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  • Dry heaping and wet discharging combined tailing heaping and discharging method

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Embodiment Construction

[0020] In order to further describe the present invention, a tailings stacking method of the present invention combining dry stacking and wet stacking will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0021] When choosing a dump site, the site selection principles are basically the same as those for tailings ponds. Select a reasonable dry tailings dam site according to the terrain and geological conditions of the dumping site, and lay out the dam foundation 7, flood drainage system 3, tailings slurry conveying system, and water return facilities. The concentration of the tailings discharged from the concentrator 10 is generally 20-30%. Part of the tailings enters the filter press dehydration workshop 9 to separate the tailings water from the dry tailings, and the dry tailings are transported to the top surface of the dry tailings dam body 5 for layered rolling and filling. The remaining wet tailings 2 are transported to...

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Abstract

The invention discloses a dry heaping and wet discharging combined tailing heaping and discharging method. Tailing slurries are discharged from a dressing plant (10), part of the tailing slurries enter a pressing and filtering dehydration workshop (9) to be dehydrated and filtered, dry tailings are used for piling up a dry tailing dam (5), the left tailing slurries are transferred to the inner side of the top of the dry tailing dam (5) to be discharged into a tailing bank, and wet tailings (2) are deposited on the upstream slope of the dry tailing dam (5); at the beginning of the formation of the dry tailing dam (5), a cofferdam (4) used for blocking the wet tailings (2) and floods is arranged on the inner side of the bottom of the dry tailing dam (5); a horizontal water discharging member (6') between the bottom of the dry tailing dam (5) and a dam base (7), and a prismatic water discharging member (6) is arranged at the downstream slope toe of the dry tailing dam (5). By the method of heaping and discharging granule tailings, the problem of difficulty in piling up the dam with the granule tailings can be solved, mine construction speed can be increased, tailing tank investment and operation cost are reduced, and economic benefits of the mine are improved.

Description

technical field [0001] The invention relates to a tailings heaping method, in particular to a fine-grained tailings heaping process, which is widely applicable to tailings pools of various types and in various regions, and is especially suitable for tailings whose particles are too fine to satisfy The case of conventional damming requirements. Background technique [0002] Tailings are the wastes discharged by the concentrator after crushing ore and selecting "useful components" under specific economic and technical conditions, that is, the remaining solid waste after the ore is sorted out of the concentrate, mostly in the form of mud Outward discharge, accumulated over a long period of time to form a tailings pool. Tailings pond is an important part of mine engineering. As a man-made debris flow hazard source with high potential energy, its safe operation plays a very important role in the production process of the entire mining enterprise. The stability of its dam body ha...

Claims

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Application Information

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IPC IPC(8): E02D17/18E02B8/00B01D37/00
Inventor 房定旺吴鹏程杨永生毛权生张进乐陶曹纪刚唐凯李跃余克林张强张雷王雨波
Owner SINOSTEEL MAANSHAN INST OF MINING RES
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