Flotation agent for flotation of kustelite and flotation method
A gold, silver and flotation technology, applied in flotation, solid separation, etc., can solve the problems that tailings water cannot be reused, tailings water is difficult to reuse for a long time, and pulp settlement is difficult, so as to improve the grade and recovery rate , Strong inhibitory effect, increase the effect of stability
Active Publication Date: 2015-04-01
FUJIAN PROVINCE ZHENGHE COUNTY YUANXIN MINING IND
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Problems solved by technology
[0004] However, in related technologies, since water glass is a strong base and weak acid salt, its aqueous solution is alkaline, after it is added to the pulp as an inhibitor, it will make it difficult to settle the pulp, and in order to make the sedimentation of the pulp smooth, lime must be added, and Lime will make it difficult to reuse the tailings water for a long time, so that the tailings water generated in the flotation process cannot be reused
Method used
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Embodiment 2
[0030] In this embodiment, the steps of the first embodiment are specifically refined and described in detail. For example, in step 103 of the first embodiment, the specific operations adopt a closed-loop flow process, which specifically includes the following steps:
[0031] Step 201: performing a roughing process on the adjusted pulp to obtain roughing foam and roughed pulp;
[0032] Specifically, the roughing process can be realized through a flotation machine with 4 troughs of SF4 cubic meters. After roughing, the ore pulp can enter the subsequent sweeping process.
[0033] Step 202: adding sodium hexametaphosphate to the roughing foam for the first beneficiation to obtain refined foam and refined pulp;
[0034] Specifically, the first selection process can be realized through a type A 2.8 cubic flotation machine.
[0035] Step 203: Carry out the second refining of the first refining foam to obtain gold and silver concentrate and the second refining pulp;
[0036] In st...
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The invention relates to the field of mineral mining, and specifically relates to a flotation agent for flotation of kustelite and a flotation method. The flotation agent for flotation of the kustelite comprises copper sulfate, iso-amyl xanthate, ammonium dibutyl dithiophosphate and sodium hexametahposphate; in measurement by weight, the flotation agent for flotation of each ton of a raw ore comprises 50-170 grams of copper sulfate, 250-290 grams of iso-amyl xanthate, 50-90 grams of ammonium dibutyl dithiophosphate and 1-3 grams of sodium hexametahposphate. The flotation method for flotation of the kustelite by using the flotation agent comprises the following steps in the process of obtaining graded overflows: crushing the raw ore, and then performing one section of ore grinding; and adding copper sulfate into a loop for grading ore grinding to obtain graded overflows with prescheduled fineness and concentration, wherein in measurement by weight, 40-160 grams of copper sulfate is added into each ton of the raw ore. The flotation agent and flotation method provided by the invention ensure that tailing water generated during flotation is purified, and an effect of recycling can be realized.
Description
technical field [0001] The invention relates to the field of mineral mining, in particular to a flotation agent and a flotation method for flotation gold and silver ore. Background technique [0002] At present, in the flotation method of flotation gold and silver ore, the common process method adopts a closed-circuit cycle operation process of one roughing, two sweeping and two fine selections. A flotation agent composed of a collector, a frother and an inhibitor, specifically, isopentyl xanthate is used as a collector, butyl ammonium black is used as a frother, and water glass is used as an inhibitor of gangue minerals; The specific flotation includes the following steps, please refer to figure 1 : [0003] 1: After crushing the raw ore, carry out a stage of ore grinding to obtain a graded overflow with a predetermined fineness and predetermined concentration; 2: Add isopentyl xanthate and butylammonium black powder to the graded overflow, and stir evenly to obtain a slu...
Claims
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IPC IPC(8): B03D1/002B03D1/02B03B1/00
Inventor 何任义纪进科
Owner FUJIAN PROVINCE ZHENGHE COUNTY YUANXIN MINING IND