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Floatation method of whole grade ilmenite

A full-grain grade, ilmenite technology, applied in chemical instruments and methods, wet separation, solid separation, etc., can solve the difficult control of ilmenite grade fluctuation, low recovery rate of ilmenite metal, and poor operating environment for employees and other issues, to achieve the effect of reducing production and operation costs, low production costs, and short processes

Active Publication Date: 2006-05-10
TAIHE IRON MINE CHONGQING IRON & STEEL GROUP MINING
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Problems solved by technology

[0003] 1. Combined re-election-flotation process: This process is difficult to control the fluctuation of the ilmenite grade entering the flotation operation, and the amount of ore is not stable, the operation is difficult for workers, and the recovery rate of ilmenite metal is generally low. The metal recovery rate of iron tailings is generally only 12-14%
[0004] 2. The current production process of Pangang Mining Co., Ltd.: the +0.10mm particle size will be separated by gravity-electric separation process; -0.10mm will be separated by a strong magnetic-flotation process. The metal recovery rate can only reach 20-22%, and the technological process is complicated, the investment in equipment is large, and the processing cost is high; especially for electric separation, the operating environment for employees is poor, the dust is large, and the operation is difficult

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  • Floatation method of whole grade ilmenite

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Embodiment Construction

[0019] see figure 1 , the new method flow process of ilmenite sorting of the present invention is:

[0020] 1. Use the tailings after iron separation of vanadium-titanium magnetite as raw material (TFe10-13%, βTiO 2 11~13%), after a strong magnetic field (Slonφ1750), the magnetic field strength is 1300 amps, and titanium βTiO can be obtained after throwing the tail 2 17-19% crude titanium concentrate;

[0021] 2. The coarse titanium ore is subjected to one-stage closed-circuit grinding (one φ2721 grid-type ball mill, two high-frequency fine screens), and the qualified products pass through the weak magnetic iron sweep, and then enter the second-stage strong magnetic field (Slonφ1750) with a magnetic field strength of 750 amps. Obtain βTiO 2 22-24% titanium concentrate;

[0022] 3. After the reverse flotation desulfurization operation (the main agent is xanthate), the tailings of the desulfurization operation enter into the full-size floating titanium operation, and the mai...

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Abstract

The invention discloses a titaniciron ore floatation method at full grades, which uses the tail mineral after the selection of V-Ti-bearing iron ore as raw material, and after a strong magnetic throwing at the magnetic field intensity of 1300 A to attain the ª‰TiO2 rubble titanium finished ore of 17-19%; then milling the rubble titanium ore in closed circuit, the acceptable product can via the weak magnetic iron selection enter the two-stage strong magnetic field in the magnetic field intensity of 750 A, to attain the ª‰TiO2 titanium finished ore of 22-24%; at last processes the reverse-floatation and desulfurization, the tail mineral can enter the floatation process at full grade, while the metal recovery rate can reach 34-36%. The invention has short process, lower cost, higher metal recovery rate, controllable production, and excellent economic benefits.

Description

technical field [0001] The invention relates to a production process for recovering ilmenite from vanadium-titanium-magnetite iron dressing tailings, in particular to a full-grain grade ilmenite flotation method. Background technique [0002] In the prior art, the beneficiation of ilmenite mainly contains the following methods: [0003] 1. Combined re-election-flotation process: This process is difficult to control the fluctuation of the ilmenite grade entering the flotation operation, and the amount of ore is not stable, the operation is difficult for employees, and the recovery rate of ilmenite metal is generally low. The metal recovery rate of iron tailings is generally only 12-14%. [0004] 2. The current production process of Pangang Mining Co., Ltd.: the +0.10mm particle size will be separated by gravity-electric separation process; -0.10mm will be separated by a strong magnetic-flotation process. The metal recovery rate can only reach 20-22%, and the technological p...

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Application Information

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IPC IPC(8): B03B7/00B02C17/00B02C23/08
Inventor 陈大元毛胜光龚明斌袁国红谭其尤龙茂华游家贵
Owner TAIHE IRON MINE CHONGQING IRON & STEEL GROUP MINING
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