Preparation method and device of high-purity antimony rod

Abstract

The invention relates to a preparation method and device of a high-purity antimony rod applied to the field of antimony rod preparation, a material leakage hole is formed in a power cylinder, so that ore can cover the bottom end of the power cylinder, and therefore, when a grinding ball is separated from the power cylinder under the action of gravity, only the ore is impacted, the power cylinder can be protected, and the service life of the power cylinder is prolonged. The service life of the power cylinder is prolonged, meanwhile, the ores are swung through the screen drum, the crushed ores settle downwards and are discharged outwards through the screen mesh, and the uncrushed ores float upwards, so that the uncrushed ores can be efficiently crushed by the grinding balls, the crushing efficiency of the ores is improved, and the purity of finished antimony rods is improved; the ore is subjected to efficient fine grinding and screening by adopting ball milling and screening technologies, so that the treatment efficiency of the ore is improved, sufficient exposure of antimony ore substances is ensured, and the subsequent flotation or chemical extraction process is facilitated.

Description

Technical Field

[0001] The invention relates to a method for preparing a high-purity antimony rod, and in particular to a method and a device for preparing a high-purity antimony rod applied in the field of antimony rod preparation. Background Art

[0002] Antimony rod is a form of antimony material in rod form, which is usually used in antimony smelting, processing, alloy manufacturing and other applications. Chinese patent publication number CN118406898A discloses a method for preparing high-purity antimony rod and its preparation equipment. During the preparation, a hammer mill is used to crush the ore, and then the antimony ore is purified, precipitated and smelted and cast to obtain high-purity antimony metal.

[0003] The particle size of antimony ore will directly affect the purity of the finished antimony rod. In the last process of antimony ore crushing, a ball mill is often used to crush the ore. Crushing it to a fine particle level can increase the surface area of ​​the antimony ore, which is beneficial to subsequent flotation, acid leaching or other extraction processes, and better separate antimony from other impurities in the ore.

[0004] Existing ball mills usually achieve crushing through continuous rotation and friction and collision between grinding balls and ore, but their crushing efficiency is limited by the working principle of the ball mill. The ore is unevenly distributed in the grinding cylinder and the contact between the grinding balls and the ore is incomplete, resulting in some ore particles not being fully crushed. Summary of the invention

[0005] In view of the above-mentioned prior art, the technical problem to be solved by the present invention is that some ore particles may not be fully crushed during ball mill crushing, thus affecting the purity of the final antimony rod.

[0006] To solve the above problems, the present invention provides a preparation device for high-purity antimony rods, including a ball mill, which includes a base, two shaft seats are fixedly connected to the top of the base, a power cylinder is rotatably connected between the two shaft seats, a screen cylinder is sleeved on the outside of the power cylinder, the outer walls of both ends of the screen cylinder are fixedly connected with tracks, two supporting pulleys are fixedly connected to the top of the base, the tracks are rotatably connected to the supporting pulleys, the center points of the power cylinder and the screen cylinder are on the same straight line, the middle part of the power cylinder is set as a grinding area and is provided with a plurality of evenly distributed leakage holes, the middle part of the screen cylinder is set as a unloading area and is provided with an installation groove, the interior of the installation groove is fixedly connected with a screen, the interior of the power cylinder is filled with a plurality of grinding balls, both ends of the power cylinder and the screen cylinder are set as cones, one end of the base is fixedly connected to a rotating motor, the output end of the rotating motor is fixedly connected to a gear, one end of the power cylinder is fixedly connected to a gear sleeve, the gear sleeve is meshed with the gear, an intermittent driver is installed on the top of the base, and the output end of the intermittent driver is transmission-connected to the screen cylinder.

[0007] As a further improvement of the present application, the intermittent drive includes a drive seat, one end of the drive seat is rotatably connected to a rotating rod, one end of the rotating rod is fixedly connected to a reciprocating motor, one end of the reciprocating motor is fixedly connected to a rubber wheel, and a telescopic rod is hinged between the rotating rod and the drive seat.

[0008] As a further improvement of the present application, a friction ring matching the rubber wheel is fixedly connected to the outer wall of the screen cylinder close to the rubber wheel.

[0009] As a further improvement of the present application, two installation slots are provided and the two installation slots are symmetrically arranged, the specifications of the screens inside the two installation slots are different, and they can filter ores of different diameters.

[0010] As another improvement of the present application, the outer wall of one end of the screen drum is rotatably connected with a connecting sleeve, and the outer wall of the screen drum close to the connecting sleeve is fixedly connected with two threaded sleeves.

[0011] As another improved supplement of the present application, the outer wall at one end of the connecting sleeve is threadedly connected with a plurality of fixed screw rods matching the threaded sleeve, and the outer wall at the other end of the connecting sleeve is fixedly connected with a counterweight block.

[0012] A method for preparing a high-purity antimony rod comprises the following steps:

[0013] S1. Ore mining and preliminary crushing: Antimony ore is mined using an excavator and crushed by blasting, followed by preliminary crushing using a jaw crusher and further crushing using an impact crusher;

[0014] S2. Ore grinding and beneficiation: Grind the crushed ore with a ball mill, use a vibrating screen to screen the ore powder, use a flotation machine to beneficiate, separate antimony minerals from waste rocks, and obtain antimony ore concentrate;

[0015] S3. Antimony ore smelting: The antimony ore concentrate is smelted at high temperature in a rotary furnace to generate antimony trioxide, and the antimony oxide is converted into metallic antimony through high-temperature reduction. During the smelting process, the antimony vapor is collected through a condensation device to prevent the loss of antimony;

[0016] S4. Antimony refining: Use electrolytic refining or chemical refining methods to further remove impurity elements in antimony to obtain higher purity metallic antimony;

[0017] S5. Antimony rod casting: After the refined metal antimony is melted, it is cast into antimony rods through a casting mold or an automatic antimony casting machine.

[0018] The method of using the ball mill in S2 comprises the following steps:

[0019] A1. Select one of the screens for unloading, and rotate the sleeve to make the counterweight perpendicular to the midpoint of the screen for unloading, then rotate the fixed screw rod to connect with the threaded sleeve to fix the counterweight;

[0020] A2. Start the reciprocating motor to drive the rubber wheel to rotate, and start the telescopic rod to extend and retract intermittently. When the telescopic rod is extended, the rubber wheel and the friction ring are in contact, driving the screen drum to rotate clockwise. When the telescopic rod is retracted, the rubber wheel and the friction ring are separated, and the screen drum rotates counterclockwise under the action of the gravity of the counterweight, causing the screen drum to swing, and the swing angle of the screen drum is less than 180 degrees.

[0021] A3. The ore passes through the swing of the screen drum, the crushed ore settles downward and is discharged outward through the screen, and the uncrushed ore floats up;

[0022] A4. Start the rotating motor to drive the power cylinder to rotate. When the power cylinder rotates, it drives the grinding balls to move to the upper right, and then they are separated from the power cylinder under the action of gravity to crush the ore.

[0023] In summary, by opening a leakage hole on the power cylinder, the aperture of the leakage hole is larger than the diameter of the ore and smaller than the diameter of the grinding ball. Therefore, when the power cylinder rotates, it only drives the grinding ball to move to the upper right, and the bottom of the power cylinder is covered by the ore. Therefore, when the grinding ball leaves the power cylinder under the action of gravity, it only impacts the ore, which can protect the power cylinder and extend the service life of the power cylinder.

[0024] At the same time, the ore passes through the swing of the screen drum, the crushed ore settles down and is discharged outward through the screen, and the uncrushed ore floats up, which enables the grinding balls to efficiently crush the uncrushed ore, increase the crushing efficiency of the ore, and improve the purity of the finished antimony rod;

[0025] By setting two screens of different specifications, ores of different diameters can be filtered, the crushing degree of the ore can be adjusted, and the purity of the finished antimony rod can be further improved, which can be applied to different process requirements;

[0026] At the same time, in the process of crushing the ore, the crushed ore powder will be discharged outward through the screen in real time. At this time, the ore can be put into the power cylinder in real time, so that the ball mill can continuously process the ore and improve the crushing efficiency.

[0027] Through the settings of power drum and screen drum, ball mill and screening technology are used to efficiently grind and screen the ore, improve the processing efficiency of the ore, ensure the full exposure of antimony minerals, which is beneficial to the subsequent flotation or chemical extraction process. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a front cross-sectional view of the whole of the first embodiment of the present application;

[0029] Figure 2 This is a front cross-sectional view of the power cylinder and the screen cylinder in the first and second embodiments of the present application;

[0030] Figure 3 It is a side cross-sectional view of the power cylinder and the screen cylinder in the first and second embodiments of the present application;

[0031] Figure 4 This is a three-dimensional diagram of the power cylinder in the first and second embodiments of the present application;

[0032] Figure 5 It is a three-dimensional cross-sectional view of the power cylinder and the screen cylinder in the first and second embodiments of the present application;

[0033] Figure 6 It is a side view of the intermittent driver in the first and second embodiments of the present application;

[0034] Figure 7 This is a front view of the intermittent driver in the first and second embodiments of the present application;

[0035] Figure 8 This is a front cross-sectional view of the sleeve connection in the first and second embodiments of the present application;

[0036] Fig. 9 It is a side cross-sectional view of the sleeve connection in the first and second embodiments of the present application;

[0037] Fig.10 This is a flow chart of a method for preparing a high-purity antimony rod in the second embodiment of the present application.

[0038] Description of the numbers in the figure:

[0039] 1. Base; 2. Shaft seat; 3. Power cylinder; 4. Screen cylinder; 5. Track; 6. Support pulley; 7. Screen; 8. Connecting sleeve; 9. Rotating motor; 10. Gear; 11. Gear sleeve; 12. Intermittent drive; 1201. Drive seat; 1202. Rotating rod; 1203. Reciprocating motor; 1204. Rubber wheel; 1205. Telescopic rod; 13. Grinding ball; 14. Leakage hole; 15. Friction ring; 16. Threaded sleeve; 17. Fixed screw; 18. Counterweight. DETAILED DESCRIPTION

[0040] Two implementation modes of the present application are described in detail below with reference to the accompanying drawings.

[0041] The first implementation method:

[0042] Figure 1-9A preparation device for high-purity antimony rods is shown, including a ball mill, which includes a base 1, two shaft seats 2 are fixedly connected to the top of the base 1, a power cylinder 3 is rotatably connected between the two shaft seats 2, a screen cylinder 4 is sleeved on the outside of the power cylinder 3, and the outer walls of both ends of the screen cylinder 4 are fixedly connected to rails 5, two supporting pulleys 6 are fixedly connected to the top of the base 1, and the rails 5 are rotatably connected to the supporting pulleys 6, the center points of the power cylinder 3 and the screen cylinder 4 are on the same straight line, and the middle part of the power cylinder 3 is set as a grinding area and is provided with a plurality of evenly distributed leakage holes 14. The middle part of the screen drum 4 is set as a material discharge area and is provided with a mounting groove. The inside of the mounting groove is fixedly connected with a screen 7. The inside of the power drum 3 is filled with a plurality of grinding balls 13. Both ends of the power drum 3 and the screen drum 4 are set to be conical. One end of the base 1 is fixedly connected with a rotating motor 9. The output end of the rotating motor 9 is fixedly connected with a gear 10. One end of the power drum 3 is fixedly connected with a gear sleeve 11. The gear sleeve 11 and the gear 10 are meshed. An intermittent driver 12 is installed at the top of the base 1. The output end of the intermittent driver 12 is transmission-connected to the screen drum 4.

[0043] The intermittent driver 12 includes a driving seat 1201, one end of which is rotatably connected to a rotating rod 1202, one end of which is fixedly connected to a reciprocating motor 1203, one end of which is fixedly connected to a rubber wheel 1204, a telescopic rod 1205 is hinged between the rotating rod 1202 and the driving seat 1201, and the outer wall of the screen cylinder 4 near the rubber wheel 1204 is fixedly connected to a friction ring 15 matching the rubber wheel 1204.

[0044] There are two mounting grooves and the two mounting grooves are symmetrically arranged. The specifications of the screens 7 inside the two mounting grooves are different and can filter ores of different diameters. The outer wall of one end of the screen cylinder 4 is rotatably connected with a connecting sleeve 8. The outer wall of the screen cylinder 4 close to the connecting sleeve 8 is fixedly connected with two threaded sleeves 16. The outer wall of one end of the connecting sleeve 8 is threadedly connected with multiple fixed screws 17 matching the threaded sleeve 16, and the outer wall of the other end of the connecting sleeve 8 is fixedly connected with a counterweight block 18.

[0045] The second implementation method:

[0046] Figure 2-10 A method for preparing a high-purity antimony rod is shown, comprising the following steps:

[0047] S1. Ore mining and preliminary crushing: Antimony ore is mined using an excavator and crushed by blasting, followed by preliminary crushing using a jaw crusher and further crushing using an impact crusher;

[0048] S2. Ore grinding and beneficiation: Grind the crushed ore with a ball mill, use a vibrating screen to screen the ore powder, use a flotation machine to beneficiate, separate antimony minerals from waste rocks, and obtain antimony ore concentrate;

[0049] S3. Antimony ore smelting: The antimony ore concentrate is smelted at high temperature in a rotary furnace to generate antimony trioxide, and the antimony oxide is converted into metallic antimony through high-temperature reduction. During the smelting process, the antimony vapor is collected through a condensation device to prevent the loss of antimony;

[0050] S4. Antimony refining: Use electrolytic refining or chemical refining methods to further remove impurity elements in antimony to obtain higher purity metallic antimony;

[0051] S5. Antimony rod casting: After the refined metal antimony is melted, it is cast into antimony rods through a casting mold or an automatic antimony casting machine.

[0052] The method of using the ball mill in S2 comprises the following steps:

[0053] A1. Select one of the screens 7 for material discharging, and rotate the sleeve 8 so that the counterweight 18 is perpendicular to the midpoint of the screen 7 for material discharging, and then rotate the fixed screw 17 to connect with the threaded sleeve 16 to fix the counterweight 18;

[0054] A2. Start the reciprocating motor 1203 to drive the rubber wheel 1204 to rotate, and start the telescopic rod 1205 to extend and retract intermittently. When the telescopic rod 1205 extends, the rubber wheel 1204 and the friction ring 15 are in contact with each other, driving the screen drum 4 to rotate clockwise. When the telescopic rod 1205 retracts, the rubber wheel 1204 and the friction ring 15 are separated, and the screen drum 4 rotates counterclockwise under the action of the gravity of the counterweight 18, so that the screen drum 4 swings, and the swing angle of the screen drum 4 is less than 180 degrees.

[0055] A3. The ore is swung by the screen drum 4, the crushed ore settles downward and is discharged outward through the screen 7, and the uncrushed ore floats up;

[0056] A4. Start the rotating motor 9 to drive the power cylinder 3 to rotate. When the power cylinder 3 rotates, it drives the grinding balls 13 to move to the upper right, and then they are separated from the power cylinder 3 under the action of gravity to crush the ore.

[0057] When ore is added into the ball mill, the ore can cover the bottom end of the power cylinder 3 .

[0058] Since the power cylinder 3 is provided with a leakage hole 14, the aperture of the leakage hole 14 is larger than the diameter of the ore and smaller than the diameter of the grinding ball 13, when the power cylinder 3 rotates, it only drives the grinding ball 13 to move to the upper right, and the bottom end of the power cylinder 3 is covered by the ore. Therefore, when the grinding ball 13 separates from the power cylinder 3 under the action of gravity, it only impacts the ore, which can protect the power cylinder 3 and extend the service life of the power cylinder 3.

[0059] At the same time, the ore passes through the swing of the screen drum 4, the crushed ore settles downward and is discharged outward through the screen 7, and the uncrushed ore floats up, which enables the grinding balls 13 to efficiently crush the uncrushed ore, thereby increasing the crushing efficiency of the ore and improving the purity of the finished antimony rod.

[0060] Furthermore, by providing two screens 7 of different specifications, ores of different diameters can be filtered, the crushing degree of the ore can be adjusted, and the purity of the finished antimony rod can be further improved, so as to be applicable to process requirements of different needs.

[0061] At the same time, in the process of crushing the ore, the crushed ore powder will be discharged outward through the screen 7 in real time. At this time, ore can be added to the inside of the power cylinder 3 in real time, so that the ball mill can continuously process the ore, thereby improving the crushing efficiency.

[0062] Through the arrangement of the power drum 3 and the screen drum 4, the ore is finely ground and screened by ball milling and screening technology, thereby improving the processing efficiency of the ore and ensuring full exposure of the antimony minerals, which is beneficial to the subsequent flotation or chemical extraction process.

[0063] In view of current practical needs, the above-mentioned implementation mode adopted in this application is not limited to the scope of protection. Various changes made within the knowledge scope of technical personnel in this field without departing from the concept of this application still fall within the scope of protection of the present invention.

Claims

1. A device for preparing a high-purity antimony rod, comprising a ball mill, wherein the ball mill comprises a base (1), characterized in that: The top of the base (1) is fixedly connected to two shaft seats (2), a power cylinder (3) is rotatably connected between the two shaft seats (2), a screen cylinder (4) is sleeved on the outside of the power cylinder (3), and the outer walls of both ends of the screen cylinder (4) are fixedly connected to tracks (5), the top of the base (1) is fixedly connected to two supporting pulleys (6), the tracks (5) are rotatably connected to the supporting pulleys (6), the center points of the power cylinder (3) and the screen cylinder (4) are on the same straight line, the middle part of the power cylinder (3) is set as a grinding area and is provided with a plurality of evenly distributed leakage holes (14), and the middle part of the screen cylinder (4) is set as a lower The base (1) is provided with a material area and an installation groove, a screen (7) is fixedly connected inside the installation groove, a plurality of grinding balls (13) are filled inside the power cylinder (3), both ends of the power cylinder (3) and the screen cylinder (4) are arranged in a conical shape, one end of the base (1) is fixedly connected to a rotating motor (9), the output end of the rotating motor (9) is fixedly connected to a gear (10), one end of the power cylinder (3) is fixedly connected to a gear sleeve (11), the gear sleeve (11) and the gear (10) are meshed, an intermittent drive (12) is installed at the top end of the base (1), and the output end of the intermittent drive (12) is transmission-connected to the screen cylinder (4).

2. The device for preparing a high purity antimony rod according to claim 1, characterized in that: The intermittent driver (12) comprises a driving seat (1201), one end of the driving seat (1201) is rotatably connected to a rotating rod (1202), one end of the rotating rod (1202) is fixedly connected to a reciprocating motor (1203), one end of the reciprocating motor (1203) is fixedly connected to a rubber wheel (1204), and a telescopic rod (1205) is hinged between the rotating rod (1202) and the driving seat (1201).

3. The device for preparing a high purity antimony rod according to claim 2, characterized in that: The outer wall of the screen cylinder (4) close to the rubber wheel (1204) is fixedly connected with a friction ring (15) matching the rubber wheel (1204).

4. The device for preparing a high purity antimony rod according to claim 1, characterized in that: The two installation slots are provided with two symmetrical installation slots, and the screens (7) inside the two installation slots have different specifications and can filter ores with different diameters.

5. The device for preparing a high purity antimony rod according to claim 1, characterized in that: The outer wall of one end of the sieve cylinder (4) is rotatably connected to a connecting sleeve (8), and the outer wall of the sieve cylinder (4) close to the connecting sleeve (8) is fixedly connected to two threaded sleeves (16).

6. The device for preparing a high purity antimony rod according to claim 5, characterized in that: The outer wall of one end of the connecting sleeve (8) is threadedly connected with a plurality of fixed screw rods (17) matching the threaded sleeve (16), and the outer wall of the other end of the connecting sleeve (8) is fixedly connected with a counterweight block (18).

7. A method for preparing a high purity antimony rod applied to the preparation device according to any one of claims 1 to 6, characterized in that: The following steps are involved: S1. Ore mining and preliminary crushing: Antimony ore is mined using an excavator and crushed by blasting, followed by preliminary crushing using a jaw crusher and further crushing using an impact crusher; S2. Ore grinding and beneficiation: Grind the crushed ore with a ball mill, sieve the ore powder with a vibrating screen, and beneficiate the antimony minerals with a flotation machine to separate the antimony minerals from the waste rock to obtain antimony ore concentrate; S3. Antimony ore smelting: The antimony ore concentrate is smelted at high temperature in a rotary furnace to generate antimony trioxide, and the antimony oxide is converted into metallic antimony through high-temperature reduction. During the smelting process, the antimony vapor is collected through a condensation device to prevent the loss of antimony; S4. Antimony refining: Use electrolytic refining or chemical refining methods to further remove impurity elements in antimony to obtain higher purity metallic antimony; S5. Antimony rod casting: After the refined metal antimony is melted, it is cast into antimony rods through a casting mold or an automatic antimony casting machine.

8. The method for preparing a high purity antimony rod according to claim 7, characterized in that: The method for using the ball mill in S2 comprises the following steps: A1. Select one of the screens (7) for material discharging, and rotate the connecting sleeve (8) so that the counterweight (18) is perpendicular to the midpoint of the screen (7) for material discharging, and then rotate the fixed screw rod (17) to connect with the threaded sleeve (16) to fix the counterweight (18); A2. Start the reciprocating motor (1203) to drive the rubber wheel (1204) to rotate, and at the same time start the telescopic rod (1205) to intermittently extend and retract. When the telescopic rod (1205) extends, the rubber wheel (1204) and the friction ring (15) come into contact with each other to drive the screen drum (4) to rotate clockwise. When the telescopic rod (1205) retracts, the rubber wheel (1204) and the friction ring (15) separate and the screen drum (4) rotates counterclockwise under the action of the gravity of the counterweight (18), so that the screen drum (4) swings, and the swing angle of the screen drum (4) is less than 180 degrees. A3. The ore is swung through the screen drum (4), the crushed ore settles downward and is discharged outward through the screen (7), and the uncrushed ore floats up; A4. Start the rotating motor (9) to drive the power cylinder (3) to rotate. When the power cylinder (3) rotates, the grinding balls (13) move to the upper right, and then separate from the power cylinder (3) under the action of gravity to crush the ore.

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