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Lead and zinc processing equipment

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What are the Lead and zinc processing equipment

Lead zinc ore processing equipment can be divided into oxidized lead zinc ore processing equipment, sulfide lead zinc ore processing equipment, and multi metal lead zinc ore processing equipment. According to the processing technology of lead-zinc ore, it can be divided into crushing equipment, screening equipment, grinding equipment, grading equipment, stirring equipment, flotation equipment, gravity separation equipment, dehydration equipment, etc.

The specific lead-zinc processing equipment needs to be configured according to the lead-zinc ore processing technology confirmed by the customer.

Lead and zinc processing equipment image：

铅锌矿选矿设备(图1)

铅锌矿选矿设备(图2)

铅锌矿选矿设备(图3)

铅锌矿选矿设备(图4)

Lead and zinc processing equipment Details：

Product composition of lead-zinc processing equipment:

1. Jaw crusher.

The lead zinc ore crushing and rough processing equipment has a simple structure, large throughput, high efficiency, energy conservation, and low cost. It serves as the front line for stone crushing, better digesting large lead zinc ores, and reasonably converting them into small stones.

2. Cone crusher.

A high-tech medium to fine crushing equipment used for secondary crushing processing, laminated crushing, hydraulic structure of lead-zinc mines, creating a new crushing mode that is efficient, safe to operate, and intelligent and environmentally friendly.

3. Ball mill

The grinding of lead-zinc ore achieves the purpose of ore pre decomposition, with high mining efficiency, energy conservation and consumption reduction, simple operation, and a processing capacity of up to 615t/h.

4. Flotation machine

Two times of mixed flotation can discard tailings at once, reducing metal loss. The core equipment of the flotation machine has high flotation accuracy, good processing effect, and saves medication. The process is simple and easy to use.

Other equipment include vibrating screen, grader, mixing drum, thickener, dryer, Rotary kiln, belt conveyor, etc. The specific lead and zinc processing equipment shall be configured according to the lead and zinc ore dressing process confirmed by the customer.

1、 Lead-zinc ore processing process and equipment configuration

① E type crusher - lead zinc ore processing and crushing process.

The crushing process adopts a three stage one closed circuit process, with a total crushing ratio of 33. The raw ore is roughly crushed using a jaw crusher. The coarse products are placed on a vibrating screen, the products on the screen are placed on a cone crusher, and the products under the screen and vibrating screen are placed in a powder ore warehouse. The particle size of medium crushing ore discharge is 35mm, and the combination of medium crushing ore discharge and fine crushing ore discharge forms a vibrating screen. The products on the screen are finely crushed by two short end cone crushers, which form a closed circuit with a vibrating screen. The products under the screen are placed in the powder ore warehouse.

② The grinding process of the ball mill lead-zinc ore processing method.

Cone ball mill, 4 of which are closed to the grading mechanism, and 1 is closed to the high weir single spiral grading mechanism. The processing capacity of the ball mill is 17.5 tons per unit. The overflow concentration of the classifier is 40-50%, and the particle size is 50% -0.074mm.

③ Flotation machine - lead zinc ore flotation process.

Flotation adopts a mixed flotation process with two systems. The first system is rough processing, the third sweeping processing, and the second processing, which handle the slurry volume of three ball mills. The second flotation system is rough processing, second sweep processing, second processing, second processing, third processing, and third processing. When all five ball mills are running, open two mixed flotation systems, usually only three ball mills and a very suitable flotation system;

④ Spiral classifier - lead zinc ore processing method classification process.

The mixed concentrate is graded by the Hydrocyclone, the grit flows into the ball mill again, and the overflow with the particle size of 90% -0.074mm flows into the lead roughing again. Select lead homework as the rough processing, scan three times, and select four times. Selecting tailings for back grinding at once. For the third time, tailings were selected for zinc sulfur separation. Zinc sulfur separation adopts rough processing, three processing, and four processing. The fourth concentrate is zinc concentrate, and the third tailings are sulfur concentrate.

⑤ Tailings treatment - Lead zinc ore processing method Tailings treatment process.

The third sweep of mixed flotation tailings is tailings;

⑥ Thickener - Lead zinc ore processing dehydration process.

The foam of lead, zinc and sulfur concentrates enters the thickener for dehydration. After the concentration of lead and zinc concentrates, they are respectively filtered through vacuum filters. The sulfur concentrate enters the vacuum filter for filtration.

2、 Composition of lead-zinc processing equipment

Lead and zinc processing equipment mainly includes: PE series jaw crusher, medium and fine cone crusher, ball mill (lattice, overflow, rod mill, etc.) vibrating screen, classifier, mixing drum (high concentration mortar mixing drum, chemical mixing drum, etc.), flotation machine (XJK, A, SF, XCF, BF, KYF, etc.), magnetic separator (dry and wet), thickener, vacuum filter press, dryer, Rotary kiln, belt conveyor and other auxiliary lead and zinc processing equipment.

3、The main uses of lead-zinc ore processing equipment:

Jaw crusher/cone crusher: Crushing ore to separate useful minerals and gangue minerals.

Self centering vibrating screen: Divide the mixture into different grades according to particle size, select qualified particle size products, avoid excessive ore crushing, and improve the productivity of the crusher.

Ball mill: Crushing ore to achieve finer particle size.

Hydrocyclone: Timely separate qualified products to avoid excessive grinding, and separate unqualified coarse sand before returning for grinding There is also a concentration effect.

Flotation machine: inflate and stir the slurry to make the surface of the ore particles under the action of the collector adhere to the bubbles, and scrape them out with a scraper to obtain the concentrate.

Thickener: Precipitates and concentrates ore slurry, allowing thinner ore slurry to separate clarified liquid and ore slurry.

Filter: removes most of the capillary moisture from the material.

There are also some auxiliary equipment, such as electric vibrating feeder, belt conveyor, mixing tank, ore bin, sand pump, pump pool, motor, etc.

4、The main advantages of lead-zinc ore processing equipment:

1. Good energy-saving effect: The core equipment in lead-zinc ore processing equipment, the flotation machine, has an energy-saving effect of over 70%, which can effectively achieve the recycling of water resources, greatly save water costs, and greatly reduce energy consumption.

2. High automation level of lead-zinc ore processing equipment: The design of advanced electronic control devices has increased the automation level of the entire production line by more than twice, reducing labor and management costs.

3. High processing efficiency of lead-zinc mining equipment: It is quite stable during operation, with low failure rate, and the beneficiation efficiency is increased by more than 30%.

4. Low carbon and environmental protection of lead-zinc ore processing equipment: The design of sealing and dust prevention devices greatly reduces the dust and noise levels of the entire production line, resulting in better low-carbon and environmental protection effects.

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