Fluorite mine high-grade middling regrinding and separating equipment

Abstract

The utility model discloses fluorite mine high-grade middling regrinding and separating equipment which structurally comprises a ball-milling roller, a bottom box and a conveying cylinder, ores are conveyed into the ball-milling roller through a feeding port, and the ores are ground under the condition that the ball-milling roller is driven by a first motor to roll; during running-in, the ore is downwards input into the bottom box through the through opening in the lower end, the ore is screened through the first filter screen and the second filter screen, unqualified ore is input into the conveying barrel, and under the action of the spiral auger, the unqualified ore is input into the feeding opening again and falls into the ball milling roller for running-in, so that repeated running-in of the ore is achieved, and the ore dressing efficiency is higher; and after fine sand gravel and the like existing in qualified ore are screened through a second filter screen, the qualified ore and the fine sand gravel are separated and discharged through a discharging opening, the situation that follow-up ore processing work is affected by the fine sand gravel is avoided, cleaning of the fine sand is reduced, and the working efficiency is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of fluorite ore processing, in particular to a fluorite ore high-grade middling ore regrinding and separation device. Background Art

[0002] Fluorite, also known as fluorspar, is a strategically important non-metallic mineral resource. It is a non-renewable resource and is known as the "second rare earth." With rapid economic development, demand for fluorite is increasing. my country is a major fluorite resource country, but it has more low-grade ores than rich ores, and more difficult-to-process ores than easy-to-process ores. Maximizing the development of these poor, fine, mixed, and difficult-to-process associated fluorite ores has become a key challenge for the fluorite industry.

[0003] In the fluorite ore beneficiation process, only preliminary screening is performed on it, resulting in poor quality of the screened ore. In addition, a large amount of fine sand or gravel is mixed with the ore during the screening process, which affects the subsequent process.

[0004] Therefore, a fluorite high-grade middling ore regrinding and separation equipment is proposed. Utility Model Content

[0005] (1) Technical issues to be resolved

[0006] In order to overcome the shortcomings of the existing technology, a fluorite high-grade middling ore regrinding and sorting equipment is proposed to solve the problem that only preliminary screening is performed on the fluorite ore during the beneficiation process, resulting in poor quality of the screened ore, and a large amount of fine sand or gravel is mixed with the ore during the screening process, which affects the subsequent process.

[0007] (2) Technical solution

[0008] The utility model is realized by the following technical solution: The utility model proposes a fluorite high-grade middling regrinding and separation equipment, comprising a ball mill drum, wherein the upper and lower ends of the ball mill drum are symmetrically provided with openings penetrating the interior.

[0009] The upper and lower ends of the through port are rotatably connected to the feed port and the bottom box, a bracket is installed on the outer side of the upper end of the bottom box, and the upper end of the bracket is fixed to the ball mill drum through a bearing ring, and a driving mechanism is installed on the outer side of the bracket to connect with the ball mill drum;

[0010] The bottom box is provided with a first filter screen and a second filter screen at the top and bottom, and the bottom ends of the first filter screen and the second filter screen are provided with a discharge port;

[0011] A feed cylinder is installed on the outside of the bottom box, and a spiral auger is connected to the inside of the feed cylinder through a bearing. A second motor is installed on the top of the feed cylinder and is connected to one side of the spiral auger. A material guide pipe is provided at the bottom end of the feed cylinder to connect to the discharge outlet of the bottom box located at the first filter screen, and a discharge pipe is provided at the top end of the feed cylinder to penetrate and connect to the feed port.

[0012] Furthermore, a through feeding port is provided at the upper end of the bottom box, and the upper end of the feeding port and the bottom end of the feeding port are both connected to the through port through a fixed bearing.

[0013] Furthermore, the bottom end surface inside the bottom box is inclined, and a through discharge port is also provided at the inclined portion.

[0014] Furthermore, the driving mechanism includes a driving wheel arranged on the outside of the ball mill drum, a motor 1 is installed on the outside of the bracket through a mounting plate, and a driving gear is provided at the output end of the motor 1 to connect with the driving wheel.

[0015] Furthermore, a box door and a control panel are provided on the outside of the bottom box.

[0016] (3) Beneficial effects

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] In the utility model, after the ball mill drum is driven by motor 2 to roll and grind the ore, the ground ore falls into the bottom box and is screened by the first filter screen. The screened ore is re-input into the feed port through the discharge port and the guide pipe under the drive of the spiral auger, so that it enters the ball mill drum for grinding again, thereby achieving better screening effect and higher ore grinding efficiency, avoiding the situation of wasting working time due to subsequent screening and re-grinding, and accelerating work efficiency.

[0019] In the utility model, a second filter with different mesh sizes is set at the lower end of the first filter, so that the fine sand and gravel in the screened ore can be screened, separated and discharged when passing through the second filter, thereby avoiding the subsequent waste of working time for screening and affecting the subsequent processing efficiency, making the work more efficient and saving working time. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Other features, objects and advantages of the present invention will become more apparent from the detailed description of the non-limiting embodiments with reference to the following drawings:

[0021] Figure 1 This is a schematic diagram of the internal structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the top view of the ball mill drum of the utility model;

[0023] Figure 3 This is a partial enlarged structural diagram of point A of the present utility model;

[0024] Figure 4 This is a schematic structural diagram of the bottom box of the utility model;

[0025] Figure 1: Ball mill drum 1, through port 2, feed port 3, fixed bearing 4, bracket 5, bearing ring 6, bottom box 7, discharge port 8, drive wheel 9, mounting plate 10, motor 1 11, driving gear 12, first filter 13, second filter 14, discharge port 15, feed barrel 16, auger 17, guide pipe 18, discharge pipe 19, motor 2 110, box door 111, control panel 112. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0027] See also Figure 1-Figure 4 The utility model provides a fluorite ore high-grade middling ore regrinding and sorting equipment, including a ball mill 1 for grinding the ore to be screened, and symmetrically arranged through-holes 2 at the upper and lower ends of the ball mill 1, so that the ore can enter or discharge the ball mill 1, and the upper and lower ends of the through-holes 2 are rotatably connected to the feed port 3 and the bottom box 7, and the upper end of the bottom box 7 is provided with a through discharge port 8, and the upper end of the discharge port 8 and the bottom end of the feed port 3 are connected to the through-hole 2 through a fixed bearing 4, so that the ball mill 1 will not affect the connection parts at the upper and lower ends when rolling and grinding, so that the safety is higher, and a bracket 5 is installed on the outer side of the upper end of the bottom box 7, and the upper end of the bracket 5 is connected to the shaft. The bearing ring 6 fixes the ball mill drum 1 so that it can fix the ball mill drum 1 vertically or horizontally for easy rotation. The fixing direction of the ball mill drum 1 can be placed according to the internal grinding direction. A driving mechanism is installed on the outside of the bracket 5 and is connected to the ball mill drum 1. The driving mechanism includes a driving wheel 9 provided on the outside of the ball mill drum 1. A motor 11 is installed on the outside of the bracket 5 through a mounting plate 10, and a driving gear 12 is provided at the output end of the motor 11 and is connected to the driving wheel 9, so that the tooth pattern on the outside of the driving wheel 9 is meshed with the driving gear 12, so that the motor 11 drives the driving gear 12 to drive the ball mill drum 1 to rotate through the driving wheel 9, thereby realizing the work of grinding the ore.

[0028] The first filter screen 13 and the second filter screen 14 are provided with a first filter screen 13 and a second filter screen 14 at the top and bottom of the bottom box 7, and the mesh of the first filter screen 13 and the second filter screen 14 is gradually smaller from top to bottom, so that they can screen qualified ore and screen fine sand and gravel, etc., and the first filter screen 13 and the second filter screen 14 are inclined for easy discharge, and the bottom ends of the first filter screen 13 and the second filter screen 14 are provided with a discharge port 15 for easy discharge of the screened ore outward, the bottom end surface of the bottom box 7 is inclined, and a through discharge port 15 is also provided at the inclined part, so that it is easy to discharge the fine sand and the like screened by the second filter screen 14 through the discharge port 15 at the lower end, reducing blockage. A box door 111 and a control panel 112 are provided on the outside of the bottom box 7. The box door 111 can be used to clean the first filter screen 13 and the second filter screen 14 inside the bottom box 7 to avoid blockage and screening inconvenience. The control panel 112 is convenient for the staff to operate the electrical components in the device, making work efficiency better and more convenient.

[0029] A feeding barrel 16 is installed on the outside of the bottom box 7, and a spiral auger 17 is connected to the inside of the feeding barrel 16 through a bearing. A second motor 110 is installed on the top of the feeding barrel 16 and is connected to one side of the spiral auger 17. A guide pipe 18 is provided at the bottom of the feeding barrel 16 to connect to the discharge port 15 of the bottom box 7 located at the first filter 13. A discharge pipe 19 is provided at the top of the feeding barrel 16 to penetrate and connect to the feed port 3. When the second motor 110 drives the spiral auger 17 to rotate, the ore entering the feeding barrel 16 through the guide pipe 18 is re-input into the feed port 3 through the discharge pipe 19, and then enters the ball mill drum 1 for grinding, so that the ore grinding effect is better.

[0030] Working principle: When in use, first connect motor 11, motor 2 110 and control panel 112 to an external power supply, then input the ore into the ball mill drum 1 through the feed port 3, and when motor 11 drives the ball mill drum 1 to rotate through the driving gear 12, the ore is ground, and the ground ore enters the bottom box 7 through the discharge port 8, and is filtered and screened by the first filter 13 and the second filter 14 inside the bottom box 7. The ore screened by the first filter 13 is input into the feed barrel 16 through the guide pipe 18, and the ore is re-input into the feed port 3 for grinding under the action of the spiral auger 17 driven by motor 2 110 to be rotated, and the fine sand and gravel in the ore can be screened, separated and discharged through the second filter 14, thereby completing the work.

[0031] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A fluorite ore high-grade middling regrinding and sorting device, comprising a ball mill drum (1), wherein the ball mill drum (1) is symmetrically provided with openings (2) penetrating the interior thereof at the upper and lower ends thereof. It is characterized by: The upper and lower ends of the through port (2) are rotatably connected to the feed port (3) and the bottom box (7); a bracket (5) is installed on the outer side of the upper end of the bottom box (7); the upper end of the bracket (5) fixes the ball mill roller (1) through a bearing ring (6); and a driving mechanism is installed on the outer side of the bracket (5) and connected to the ball mill roller (1); A first filter screen (13) and a second filter screen (14) are provided inside the bottom box (7) at the top and bottom, and a discharge port (15) is provided at the bottom of each of the first filter screen (13) and the second filter screen (14); A feeding cylinder (16) is installed on the outside of the bottom box (7), and a spiral auger (17) is connected to the inside of the feeding cylinder (16) through a bearing. A second motor (110) is installed on the top of the feeding cylinder (16) and is connected to one side of the spiral auger (17). A guide pipe (18) is provided at the bottom end of the feeding cylinder (16) to connect to the discharge port (15) of the bottom box (7) located at the first filter (13). A discharge pipe (19) is provided at the top end of the feeding cylinder (16) to penetrate and connect to the feed port (3).

2. The fluorite high-grade middling regrinding and separation equipment according to claim 1, characterized in that: The upper end of the bottom box (7) is provided with a through-feeding port (8), and the upper end of the feed opening (8) and the lower end of the feed opening (3) are both connected to the through-port (2) via a fixed bearing (4).

3. The fluorite high-grade middling regrinding and separation equipment according to claim 1, characterized in that: The bottom end surface inside the bottom box (7) is inclined, and a through discharge outlet (15) is also provided at the inclined portion.

4. The fluorite high-grade middling regrinding and separation equipment according to claim 1, characterized in that: The driving mechanism includes a driving wheel (9) arranged on the outside of the ball mill drum (1), a motor (11) is installed on the outside of the bracket (5) through a mounting plate (10), and a driving gear (12) is provided at the output end of the motor (11) and connected to the driving wheel (9).

5. The fluorite high-grade middling regrinding and separation equipment according to claim 1, characterized in that: A box door (111) and a control panel (112) are provided on the outside of the bottom box (7).

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