CN211964559U - Device for efficiently grading copper-sulfur-iron multi-metal ores - Google Patents

Abstract

The utility model discloses a hierarchical device is imitated to copper pyrite polymetallic ore deposit height includes breaker, ball mill, hydrocyclone, high frequency fine screening machine extremely down in proper order from last, and breaker, ball mill, hydrocyclone, high frequency fine screening machine communicate in proper order, and hydrocyclone, high frequency fine screening machine all are provided with discharge gate and backward flow mouth, and hydrocyclone and high frequency fine screening machine pass through the discharge gate intercommunication, hydrocyclone and high frequency fine screening machine's backward flow mouth pass through the back flow with the feed end of ball mill links into closed loop. The utility model provides a grading process of hydrocyclone + high frequency fine screen, high frequency fine screen have alleviateed copper pyrite "overgrinding" and "the short-term consumption" as control is hierarchical by a wide margin, have effectively avoided qualified size fraction mineral to cross smashing.

Description

A device for efficient classification of copper-sulfur-iron polymetallic ore

technical field

The utility model relates to the technical field of ore classification, in particular to a device for efficient classification of copper-sulfur-iron polymetallic ore.

Background technique

In the raw ore grinding process of the existing concentrator, the classification technology that cooperates with the grinding process generally adopts the equipment and technology of single gravity classification such as spiral classifier and hydrocyclone. The defect of this technology is that it is only classified according to the mineral gravity, It is impossible to achieve more efficient classification, and it is easy to cause uneven particle size distribution of grinding products, showing two-level differentiation of "over-grinding" and "under-grinding".

Utility model content

In order to solve the above-mentioned technical problems, the utility model provides the following technical solutions:

The utility model provides a high-efficiency classification device for copper-sulfur-iron polymetallic ore, which comprises a crusher, a ball mill, a hydrocyclone and a high-frequency fine screen in order from top to bottom. The crusher, the ball mill, the hydrocyclone The hydrocyclone and the high-frequency fine screen are connected in sequence, the hydrocyclone and the high-frequency fine screen are all provided with a discharge port and a return port, and the hydrocyclone and the high-frequency fine screen pass through the discharge port The hydrocyclone and the return port of the high-frequency fine screen machine are connected to the feed end of the ball mill through a return pipe to form a closed loop.

Preferably, the crusher adopts rolling wheels, and the rolling wheels are distributed in a triangle.

Preferably, a cleaning device is provided on one side of the crusher, the inlet of the cleaning device is connected to the material end through a conveyor belt, and the outlet of the cleaning device is connected to the feed end of the crusher through the conveyor belt.

Preferably, the conveyor belt is arranged through the cleaning device from left to right, the inner end of the cleaning device is provided with a water inlet pipe, and the lower end of the water inlet pipe is connected with a spray head, and the spray head is arranged toward the conveyor belt.

Preferably, a water outlet is provided at the lower end of the cleaning device, and the water outlet is communicated with a water collecting tank through a conduit.

Preferably, an activated carbon filter is arranged in the water outlet.

Preferably, the outer side wall of the cleaning device is provided with a motor, the output shaft of the motor is fixedly connected with a rotating shaft through the side wall, and the rotating shaft is provided with a blade.

Beneficial effects of the utility model

The utility model proposes a classification process of hydrocyclone + high-frequency fine sieve, and the high-frequency fine sieve is used as a control classification, which greatly reduces the "over-grinding" and "under-grinding" of copper pyrite ore, and effectively avoids qualified grade minerals. Over crushing; the dissociation degree of chalcopyrite monomer in the raw ore increased from 78.20% to 82.50% of the original technical process, the copper grade of the copper concentrate increased by 1.3 percentage points, and the copper metal recovery rate increased by 2.1 percentage points.

Description of drawings

Figure 1 is a schematic structural diagram of the utility model.

Description of reference numerals: 1- crusher, 2- ball mill, 3- hydrocyclone, 4- high frequency fine screen, 5- discharge port, 6- return port, 7- return pipe, 8- cleaning device, 9-conveyor belt, 10-water inlet pipe, 11-spray head, 12-motor, 13-water outlet, 14-active carbon filter, 15-rolling wheel.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, but not all of them. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Example

As shown in Figure 1, the present utility model provides a device for efficient classification of copper-sulfur-iron polymetallic ore, which includes a crusher 1, a ball mill 2, a hydrocyclone 3, and a high-frequency fine screen machine 4 in order from top to bottom, The crusher 1, the ball mill 2, the hydrocyclone 3, and the high-frequency fine screen machine 4 are connected in sequence. Finely crushing large particles of raw ore, the rolling wheels 15 are triangularly distributed to facilitate the fine crushing of the raw ore evenly; the hydrocyclone 3 and the high-frequency fine screen machine 4 are all provided with a discharge port 5 and a return port 6. The cyclone 3 communicates with the high-frequency fine screen machine 4 through the discharge port 5, and the return port 6 of the hydrocyclone 3 and the high-frequency fine screen machine 4 communicates with the ball mill 2 through the return pipe 7. The feeding end is connected to form a closed loop. The ore pulp in the second row of the ball mill is classified by the hydrocyclone 3, and the classification overflow is controlled by the high-frequency fine screen machine 4. The materials under the high-frequency fine screen machine 4 are selected qualified materials and pass the discharge Port 5 is transported and collected, and the unqualified materials generated by the hydrocyclone 3 sand settling and the high-frequency fine screen machine 4 are merged through the return pipe 7 and returned to the ball mill 2 for regrinding to improve the classification efficiency of the ore;

One side of the crusher 1 is provided with a cleaning device 8 , the inlet of the cleaning device 8 is connected to the material end through the conveyor belt 9 , and the outlet of the cleaning device 8 is connected to the feeding end of the crusher 1 through the conveyor belt 9 , The conveyor belt 9 is arranged through the cleaning device 8 from left to right. The upper end of the inner end of the cleaning device 8 is provided with a water inlet pipe 10, and the lower end of the water inlet pipe 10 is connected with a spray head 11. The spray head 11 is disposed toward the conveyor belt 9. The spray head 11 It is convenient to clean the raw ore on the conveyor belt 9 first to prevent sludge from clogging the pipeline and polluting equipment during the classification process. The lower end of the cleaning device 8 is provided with a water outlet 13. The water outlet 13 is provided with an activated carbon filter 14, and the activated carbon is used to filter sewage, which has the effect of saving water resources; the outer side wall of the cleaning device 8 is provided with a motor 12, and the output shaft of the motor 12 runs through the side wall. A rotating shaft is fixedly connected, and blades are arranged on the rotating shaft, and the motor 12 can prevent the sludge from blocking the water outlet 13 in the process of sewage discharge and collection.

working principle

The utility model is a device for efficient classification of copper-sulfur-iron polymetallic ore. The distribution of each component is shown in Figure 1. When in use, the raw ore enters the cleaning device 8 through the conveyor belt 9, and the water pipe in the cleaning device 8 passes through the nozzle 11. The raw ore is cleaned to prevent sludge from clogging the pipeline and polluting equipment during the classification process; the cleaned raw ore is transported to the feed end of the crusher 1 through the conveyor belt 9, and the crusher 1 finely crushes the raw ore, and the The ore enters the ball mill 2, and the ball mill 2 further crushes it. The ore pulp from the ball mill 2 is classified by the hydrocyclone 3, and the classification overflow is controlled and classified by the high-frequency fine screen machine 4. The material under the high-frequency fine screen machine 4 is selected for selection The qualified materials are transported and collected through the discharge port 5, and the unqualified materials produced by the hydrocyclone 3 sand settling and the high-frequency fine screen machine 4 are combined through the return pipe 7 and returned to the ball mill 2 for regrinding to improve the ore classification efficiency.

Finally, it should be noted that the above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. , it can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements to some of its technical features, any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model, All should be included within the protection scope of the present invention.

Claims (7)

1. The utility model provides a device of high-efficient hierarchical of copper pyrite polymetallic ore deposit, its characterized in that includes breaker (1), ball mill (2), hydraulic cyclone (3), high frequency fine screening machine (4) from last to down in proper order, breaker (1), ball mill (2), hydraulic cyclone (3), high frequency fine screening machine (4) communicate in proper order, hydraulic cyclone (3), high frequency fine screening machine (4) all are provided with discharge gate (5) and backward flow mouth (6), hydraulic cyclone (3) with high frequency fine screening machine (4) communicate through discharge gate (5), hydraulic cyclone (3) with backward flow mouth (6) of high frequency fine screening machine (4) pass through back flow (7) with the feed end of ball mill (2) links into closed loop.

2. The apparatus for high-efficiency classification of copper-sulfur-iron polymetallic ores according to claim 1, characterized in that the crusher (1) adopts rolling wheels (15), and the rolling wheels (15) are distributed in a triangular shape.

3. The device for the efficient classification of the copper-sulfur-iron polymetallic ores according to the claim 1, characterized in that a cleaning device (8) is arranged on one side of the crusher (1), the inlet of the cleaning device (8) is connected with a material end through a conveying belt (9), and the outlet of the cleaning device (8) is communicated to the feeding end of the crusher (1) through the conveying belt (9).

4. The device for efficiently grading copper-sulfur-iron polymetallic ores according to claim 3, wherein the conveying belt (9) penetrates through the cleaning device (8) from left to right, a water inlet pipe (10) is arranged at the upper end of the inner end of the cleaning device (8), a spray head (11) is communicated with the lower end of the water inlet pipe (10), and the spray head (11) is arranged towards the conveying belt (9).

5. The device for efficiently grading copper-sulfur-iron polymetallic ores according to claim 4, wherein a water outlet (13) is formed in the lower end of the cleaning device (8), and the water outlet (13) is communicated with a water collecting tank through a conduit.

6. The device for the efficient classification of the copper-sulfur-iron polymetallic ores according to claim 5, characterized in that an activated carbon filter (14) is arranged in the water outlet (13).

7. The device for efficiently grading copper-sulfur-iron polymetallic ores according to claim 6, wherein a motor (12) is arranged on the outer side wall of the cleaning device (8), an output shaft of the motor (12) penetrates through the side wall and is fixedly connected with a rotating shaft, and blades are arranged on the rotating shaft.

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