Home Product Knowledge What are the commonly used quartz beneficiation equipment?

What are the commonly used quartz beneficiation equipment?

2023-02-21 Xinhai (234)

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The current common quartz ore beneficiation process is to remove mineral impurities in quartz ore by scrubbing, magnetic separation, chute gravity separation, flotation, pickling or a combination of several methods to obtain particle size and impurities. The content meets the requirements of high-purity quartz ore. In this process, the commonly used quartz beneficiation equipment mainly includes rod mill, magnetic separator, flotation machine, hindered settler, XCⅢ hydrocyclone, high-frequency and high-efficiency dewatering screen, inclined plate thickener, washing tower, desliming barrels, slurry pumps, etc.

In this article, we will mainly introduce rod mills, magnetic separators, flotation machines, hindered settlers and XCIII hydrocyclones.

01 Rod Mill

In the processing of quartz ore, rod mills are often used as grinding equipment, which has a good grinding effect, controllable particle size of the output, and has a certain scrubbing function.

◆ The output particle size of quartz ore grinding is generally between 40-120 mesh. The steel rod of the rod mill is in contact with the material surface, so it is not easy to be over-grinded. At the same time, it is guaranteed to grind qualified products and exclude unqualified products.

◆ Using a rod mill to process quartz ore can play a role of scrubbing to a certain extent and help to remove some impurities.

◆ The steel rods and steel rods of the quartz ore rod mill have a certain screening effect on the quartz ore during the movement, so that the large particles can be lifted to the top of each layer and concentrated to the place with strong crushing force. Crushing ability.


02 Magnetic Separator

Magnetic separation is one of the effective methods to remove iron-containing impurities in quartz ore, so as to remove as much as possible the weak magnetic impurity minerals including hematite, limonite, biotite and other conjoined particles.

Strong magnetic separation usually adopts wet strong magnetic separator or high gradient magnetic separator. Generally speaking, for quartz whose impurities are mainly limonite, hematite, biotite and other weak magnetic impurity minerals, it can be selected by a wet strong magnetic machine above 10000GS; for impurities mainly containing magnetite, for strong magnetic minerals, It is best to use a magnetic field weakening machine or a magnetic field machine for sorting. In order to further remove a small amount of other weakly magnetic minerals (such as amphibole, pyroxene, a combination of magnetic minerals and quartz), a high-gradient magnetic separator with a magnetic field strength greater than 12,000 Gauss can be used for secondary magnetic separation.

03 Flotation machine

Flotation is also a beneficiation method widely used in quartz ore processing plants, mainly to remove non-magnetic associated impurities such as feldspar and mica in quartz sand. The quartz sand beneficiation equipment used in this process is various suction mechanical stirring flotation machines (SF type flotation machine, BF type flotation machine, JJF type flotation machine) and inflatable mechanical stirring mixing flotation machine (KYF type flotation cell Machine, XCF type flotation machine)).

04 Hindered settler

The hindered settler is a disturbing settling equipment, which is mainly composed of a cylinder, a bracket, a feed inlet, an overflow tank, a retaining ring, a support seat, a pressure detector, an electric valve and an automatic control system. . Special equipment especially effective for non-metals such as ores. The material is affected by the rising water flow in the cylinder to achieve the purpose of particle size classification and specific gravity separation, with high production efficiency and low energy consumption. It can be equipped with an automatic control system, and the adjustment of operating parameters is simple, convenient and easy to control. The water tank at the bottom of the cylinder can be equipped with a special rubber nozzle device. When the water stops, the rising water hole closes automatically,

In the uartz ore concentrator, the hindered settler can strictly classify the coarse and fine particles, completely replacing the fine screen for particle size control.

05 XCⅢ Hydrocyclone

The XCIII hydrocyclone has a specially designed fishtail device in the grit chamber and a specially designed siphon device on the top of the overflow tank, so it has excellent characteristics that other hydrocyclones cannot match. Through the adjustment of the siphon device, a higher underflow concentration and a lower overflow concentration can be obtained. For the silicon ore (quartz ore) industry, the overflow can be adjusted to almost release water, and the underflow concentration can be as high as 85%. In addition, the specially designed fishtail device can keep the output concentration and overflow fineness of the swirl cone bottom flow constant when the ore feed rate, ore feed concentration and ore feed pressure fluctuate within a certain range.

06 Summary

In the actual beneficiation process, the selection of quartz ore beneficiation process and equipment is often determined according to various factors such as the nature of quartz ore, conditions of the beneficiation plant, and investment budget. We need to comprehensively consider the actual situation of the concentrator, investment and other factors to determine the beneficiation plan, tailor-made quartz ore beneficiation equipment, in order to achieve the ideal return on investment.

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