Antimony ore beneficiation process

Antimony ore beneficiation processComplete equipment configuration

Jaw crusher, ball mill, jig, shaker, flotation machine, vibrating feeder, spiral classifier, belt conveyor, thickener, etc

Antimony ore beneficiation process Device image

Antimony ore beneficiation process introduce

1、 Introduction

The antimony ore beneficiation process generally involves selecting a portion of antimony ore or gangue with both hands, or discarding a portion of tailings with heavy media; The single antimony ore beneficiation process generally adopts flotation method for recovery; The mixed antimony ore beneficiation process first eliminates the mixed concentrate, and then selects some antimony ore or gangue through sulfide ore flotation and oxidized ore; For tungsten ore, first, a shaking table gravity separation is used to produce gold, mixed concentrate, and tailings, and then the mixed concentrate is flotation to obtain a gold antimony mixed concentrate; For tailings flotation, direct flotation.

2、 Main processes

1. Antimony ore beneficiation method: manual beneficiation process:

Utilizing the differences in color, luster, and shape between antimony ore and gangue in ore extraction, the manual separation process of antimony ore production line is relatively primitive and labor-intensive. However, it can produce a large amount of high-quality antimony ore concentrate, which can reduce beneficiation costs and energy consumption. The manual selection process of antimony ore production line is generally completed on the manual selection belt equipment, and many are also completed in the mine pit or mouth. The massive antimony concentrate selected by the manual concentration process of the antimony ore production line can be directly volatilized and roasted in the vertical roasting furnace to prepare Antimony trioxide with only 7% antimony content. The massive antimony sulfide concentrate containing more than 45% antimony can be manually selected to prepare pure Antimony trisulfide (commonly known as raw antimony) for munitions production through the melting out method.

The particle size of the ore suitable for the manual selection process of antimony ore production lines is mostly between 28 and 150 millimeters. Most antimony beneficiation plants use wide grade antimony ore production line manual beneficiation process, while only a few plants, such as Xikuang North beneficiation plant, use narrow grade antimony ore production line manual beneficiation process. Because the raw ore often contains mud, ore washing operation is often an essential preparation work before the manual selection process of antimony ore production line. Hand selected raw ore after washing is more effective than direct selection without washing.

2. Antimony ore beneficiation method gravity separation process:

Suitable for most antimony ores, as antimony ores are minerals with high density and coarse particles, making them easy to separate from gangue using mineral processing methods. In summary, both single sulfide antimony ore and sulfide oxide mixed antimony ore have good conditions for antimony ore production line gravity separation process. Moreover, the cost of the antimony ore production line gravity separation process is low, and it can select a large number of qualified coarse concentrate within a relatively coarse particle size range, discarding a large amount of waste rock. Therefore, the antimony ore production line gravity separation process is still a preferred method for antimony ore concentrators. The equipment for heavy antimony ore beneficiation mainly refers to jigs, and sometimes a shaking table is also used.

3. Antimony ore beneficiation method heavy medium process:

Usually used for pre selection of antimony ore. Liao Jian proved that in addition to antimony ore with crystal cavity structure, the heavy medium process of antimony ore production line can also be used. The difficulty of heavy medium technology in antimony ore beneficiation is the selection of weighting agents, the preparation and recovery of medium. As a substance used as a weighting agent, practice has shown that the steel jade waste (ferrosilicon) from the grinding wheel factory is ideal. The magnetic content of this material is 70-98%, and the chemical composition is mainly silicon and iron. The medium preparation system of the beneficiation plant is refined to below 74 microns, accounting for 98%, and used as a weighting agent to maintain the medium density at around 2.65 grams/cm3, which is completely possible and easy to recycle.

4. Antimony ore beneficiation method and flotation process:

The flotation process of antimony ore beneficiation production line is the most important method for selecting antimony ore. Sulfide antimony ore belongs to flotation minerals, and the flotation process of antimony ore beneficiation production line is often used to improve the ore grade. Among them, Stibnite is usually activated by lead salt, and also copper salt or lead salt copper salt are used together, and then flotation is carried out with a collector. The commonly used trapping agent is butyl xanthate or a mixture of Shale oil and ethyl sulfur nitrogen, and the foaming agent is terpineol oil or No. 2 oil; Antimony oxide ore is a difficult to float ore, mainly using the gravity separation process of antimony ore beneficiation production line.

3、 Antimony ore beneficiation equipment:

1. Antimony ore beneficiation technology crushing equipment - jaw crusher.

2. Antimony ore beneficiation technology grinding equipment - antimony ore ball mill.

3. Antimony ore beneficiation technology flotation device - Antimony ore flotation device.

4. The production line of antimony ore beneficiation technology will also use vibration feeders, spiral classifiers, belt conveyors, thickeners and other related supporting antimony ore equipment.

Antimony ore beneficiation process