Red mud magnetizing roasting comprehensive utilization device

Abstract

The invention discloses a red mud magnetizing roasting comprehensive utilization device which comprises a box body, the top of the box body is provided with a feeding hopper fixedly communicated with the box body, the side wall of the box body is fixedly connected with a motor, the output end of the motor is fixedly connected with a transmission rod, and the front end of the box body is provided with a rotating rod; and the outer wall of the rotating rod is sleeved with a limiting block rotationally connected with the rotating rod, the limiting block is fixedly connected with the front face of the box body, the outer wall of the transmission rod and the outer wall of the rotating rod are jointly sleeved with a second belt, a smashing mechanism is arranged in the box body, a cleaning mechanism is arranged in the box body, and a screening mechanism is arranged in the box body. Red mud dried matter can be cut into small sizes through the cutter, and the follow-up smashing effect is good; the outer wall of the crushing roller can be cleaned through a first brush, and red mud dried matter is prevented from remaining on the outer wall of the crushing roller; and iron in the dried red mud can be magnetized through the electromagnet, so that iron separation is realized.

Description

Technical Field

[0001] The invention relates to the technical field of red mud treatment, in particular to a red mud magnetization roasting comprehensive utilization device. Background Art

[0002] The prior art discloses a red mud magnetization roasting comprehensive utilization system with application number CN201821737118.2, and the key points of its technical solution are that it includes a mixer, a dryer, a rotary kiln, a magnetic separator, and a filter press, and the discharge port of the mixer is connected to the feed port of the dryer through a second conveying device; a ball mill is arranged between the dryer and the rotary kiln, and the discharge port of the dryer is connected to the feed port of the ball mill through a third conveying device, and the discharge port of the ball mill is connected to the feed port of the rotary kiln; the discharge port of the rotary kiln is connected to the feed port of the magnetic separator through a fourth conveying device; the magnetic separator is provided with a magnetic outlet and a non-magnetic outlet, and the non-magnetic outlet is connected to the feed port of the filter press through a fifth conveying device. The utility model solves the problem that the traditional magnetization roasting uses lignite to reduce red mud, resulting in low reaction efficiency due to high ash content, and improves the comprehensive utilization rate of red mud by optimizing and improving the magnetization roasting equipment.

[0003] In the above-mentioned authorized patent, red mud can be mixed, roasted, crushed and magnetically separated in sequence, thereby realizing the comprehensive utilization of red mud and obtaining iron by screening from red mud. However, when the dried red mud is crushed and magnetically separated, the volume of the dried red mud is large, which is not conducive to the crushing processing of the dried red mud. Moreover, after crushing, the outer wall of the crushing roller is adhered to the residue of the dried red mud, which affects the subsequent crushing effect of the dried red mud. Therefore, we designed a red mud magnetic roasting comprehensive utilization device to solve the above problems. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings existing in the prior art, and a red mud magnetization roasting comprehensive utilization device is proposed, which can cut the dried red mud into small volumes by a cutter, and has a good subsequent crushing effect; the outer wall of the crushing roller can be cleaned by a first brush to avoid the residual dried red mud on the outer wall of the crushing roller; the iron in the dried red mud can be magnetized by an electromagnet, thereby realizing the separation of iron.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A red mud magnetization roasting comprehensive utilization device comprises a box body, a feed hopper fixedly connected to the box body is provided on the top of the box body, a motor is fixedly connected to the side wall of the box body, a transmission rod is fixedly connected to the output end of the motor, the transmission rod passes through the box body and is rotatably connected to the motor, a fan is fixedly connected to the end of the transmission rod, a first reciprocating screw is rotatably connected to the side wall of the feed hopper, a first belt is sleeved together with the outer wall of the transmission rod and the outer wall of the first reciprocating screw, a movable plate is sleeved on the outer wall of the first reciprocating screw, two cutters are fixedly connected to one end of the movable plate close to the feed hopper, both of the cutters pass through the feed hopper and are slidably connected to the feed hopper, a rotating rod is provided at the front end of the box body, a limit block rotatably connected to the outer wall of the rotating rod is sleeved, the limit block is fixedly connected to the front side of the box body, a second belt is sleeved together with the outer wall of the transmission rod and the outer wall of the rotating rod, a crushing mechanism is provided in the box body, a cleaning mechanism is provided in the box body, a screening mechanism is provided in the box body, and a control panel is fixedly connected to the front side of the box body.

[0007] Preferably, the crushing mechanism includes an active bevel gear fixedly connected to the end of the rotating rod, the active bevel gear is meshed with a driven bevel gear, two rotating rods rotatably connected thereto are penetrated through the front of the box body, the rotating rod on the left is coaxially fixedly connected to the driven bevel gear, the outer walls of the two rotating rods are fixedly connected to fixed gears, the two fixed gears are meshed, and the outer walls of the two rotating rods are fixedly connected to crushing rollers.

[0008] Preferably, the cleaning mechanism comprises a groove opened on the box body, the inner wall of the groove is fixedly connected to a hydraulic rod, the output end of the hydraulic rod is fixedly connected to a brush plate, and a plurality of first brushes are provided at one end of the brush plate close to the crushing roller.

[0009] Preferably, the screening mechanism includes a second reciprocating screw that passes through the front side of the box and is rotatably connected thereto, the outer wall of the rotating rod on the right side and the outer wall of the second reciprocating screw are jointly sleeved with a third belt, the outer wall of the second reciprocating screw is sleeved with a cleaning plate, the inner wall of the box is fixedly connected with a sliding rod, the sliding rod passes through the cleaning plate and is slidably connected thereto, the inner wall of the box is fixedly connected with an electromagnet and a fixed cover body, the electromagnet is arranged in the fixed cover body, and a plurality of second brushes are provided at one end of the cleaning plate close to the fixed cover body.

[0010] Preferably, the outer wall of the transmission rod and the outer wall of the first reciprocating screw rod are fixedly connected with the first transmission wheel, the first belt sleeve is arranged on the outer walls of the two first transmission wheels, the outer wall of the transmission rod and the outer wall of the rotating rod are fixedly connected with the second transmission wheel, the second belt sleeve is arranged on the outer walls of the two second transmission wheels, the outer wall of the rotating rod and the outer wall of the second reciprocating screw rod are fixedly connected with the third transmission wheel, and the third belt sleeve is arranged on the outer walls of the two third transmission wheels.

[0011] Preferably, the fan is arranged on the left side of the cleaning plate, and the fan is arranged on the same horizontal plane as the center of the cleaning plate.

[0012] Preferably, a discharge port is provided on the side wall of the box body, and a collecting plate is fixedly connected to the inner wall of the discharge port, and the collecting plate is arranged below the electromagnet.

[0013] Preferably, the bottom of the box body is fixedly connected to a discharge hopper, the bottom of the box body is arranged in a truncated cone shape, and the bottom of the box body is fixedly connected to four supporting legs distributed in a rectangular shape.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The output end of the motor drives the transmission rod, the first belt, and the first reciprocating screw to rotate. The first reciprocating screw continuously rotates to drive the moving plate and the two cutters to move back and forth. The two cutters can cut the injected dried red mud into small objects, thereby reducing the volume of the dried red mud and improving the subsequent crushing effect of the dried red mud.

[0016] 2. The transmission rod rotates to drive the second belt, the rotating rod, the active bevel gear, the driven bevel gear, the rotating rod on the left, the fixed gear, the fixed gear on the right and the rotating rod to rotate. The two rotating rods rotate relative to each other to drive the crushing rollers to rotate relative to each other, so that the small volume of dried red mud that falls can be crushed, which is convenient for the subsequent screening of iron in the dried red mud.

[0017] 3. The outer wall of the crushing roller can be cleaned by the first brush arranged on the brush plate, ensuring the cleanliness of the surface of the crushing roller. The brush plate can be controlled to move by the hydraulic rod to control the resistance force between the first brush and the outer wall of the crushing roller, achieving a good cleaning effect on the outer wall of the crushing roller.

[0018] 4. The fan is driven to rotate by the rotation of the transmission rod to blow the crushed dried red mud material, so that the powdered dried red mud material spreads out when it falls. The electromagnet is energized to turn it into a magnet, and the electromagnet can adsorb the iron in the dried red mud material in the powder, thereby realizing the collection of iron.

[0019] 5. The third belt and the second reciprocating screw are driven to rotate by rotating the rotating rod on the right side, so that the cleaning plate slides on the sliding rod. The second brush is driven to move by the cleaning plate to clean the surface of the fixed cover. When there is too much iron on the surface of the fixed cover, the second brush is used to brush the iron away from the fixed cover, and the iron can be discharged through the discharge port, thus avoiding excessive iron on the surface of the fixed cover affecting the magnetism, and the subsequent magnetic attraction effect on iron is good.

[0020] In summary, the present invention can cut the dried red mud into small volumes through the cutter, and the subsequent crushing effect is good; the outer wall of the crushing roller can be cleaned by the first brush to avoid the residual dried red mud on the outer wall of the crushing roller; the iron in the dried red mud can be magnetized by the electromagnet, thereby realizing the separation of iron. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a first structural schematic diagram of a red mud magnetization roasting comprehensive utilization device proposed by the present invention;

[0022] Figure 2 A second structural schematic diagram of a red mud magnetization roasting comprehensive utilization device proposed by the present invention;

[0023] Figure 3 This is a cross-sectional view of a red mud magnetization roasting comprehensive utilization device proposed by the present invention.

[0024] In the figure: 1 box body, 2 feed hopper, 3 motor, 4 transmission rod, 5 fan, 6 first belt, 7 first reciprocating screw, 8 moving plate, 9 cutter, 10 second belt, 11 rotating rod, 12 limit block, 13 active bevel gear, 14 driven bevel gear, 15 rotating rod, 16 fixed gear, 17 crushing roller, 18 groove, 19 hydraulic rod, 20 brush plate, 21 electromagnet, 22 third belt, 23 second reciprocating screw, 24 cleaning plate, 25 sliding rod, 26 fixed cover, 27 collecting plate, 28 discharge port, 29 discharge hopper, 30 control panel. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0026] Reference Figure 1-Figure 3 A red mud magnetization roasting comprehensive utilization device comprises a box body 1, a feeding hopper 2 fixedly connected to the box body 1 is provided on the top of the box body 1, and a worker mixes the red mud and additives together by stirring, and then roasts the mixed red mud to obtain dried red mud.

[0027] The side wall of the box body 1 is fixedly connected to a motor 3, and the output end of the motor 3 is fixedly connected to a transmission rod 4, which penetrates the box body 1 and is rotatably connected thereto, and the end of the transmission rod 4 is fixedly connected to a fan 5, by which the crushed and fallen red mud dried material can be blown by the rotation of the fan 5, so that the red mud dried material is spread out, and the subsequent magnetic effect is good, and the side wall of the feed hopper 2 is rotatably connected to a first reciprocating screw rod 7, and the outer wall of the transmission rod 4 and the outer wall of the first reciprocating screw rod 7 are jointly sleeved with a first belt 6, and the outer wall of the transmission rod 4 and the outer wall of the first reciprocating screw rod 7 are both fixedly connected to a first transmission wheel, and the first belt 6 is sleeved on the outer walls of the two first transmission wheels, and the outer wall of the first reciprocating screw rod 7 is sleeved with a movable plate 8, and one end of the movable plate 8 close to the feed hopper 2 is fixedly connected to two cutters 9, and the two cutters 9 penetrate the feed hopper 2 and are slidably connected thereto, and the red mud dried material can be cut into a small volume of red mud dried material by reciprocating left and right movement of the two cutters 9.

[0028] A rotating rod 11 is provided at the front end of the box body 1, and the outer wall of the rotating rod 11 is sleeved with a limit block 12 rotatably connected thereto, and the limit block 12 is fixedly connected to the front side of the box body 1, and the outer wall of the transmission rod 4 and the outer wall of the rotating rod 11 are jointly sleeved with a second belt 10, and the outer wall of the transmission rod 4 and the outer wall of the rotating rod 11 are fixedly connected to the second transmission wheel, and the second belt 10 is sleeved on the outer walls of the two second transmission wheels. A crushing mechanism is provided in the box body 1, and the crushing mechanism includes an active bevel gear 13 fixedly connected to the end of the rotating rod 11, and the active bevel gear 13 is meshed with a driven bevel gear 14. Two rotating rods 15 rotatably connected thereto are penetrated through the front side of the box body 1, and the rotating rod 15 on the left side is coaxially fixedly connected with the driven bevel gear 14, and the outer walls of the two rotating rods 15 are fixedly connected with fixed gears 16, and the two fixed gears 16 are meshed, and the outer walls of the two rotating rods 15 are fixedly connected with crushing rollers 17, and the red mud dried material can be crushed into powder by the relative rotation of the two crushing rollers 17 to separate the red mud from the iron.

[0029] A cleaning mechanism is provided in the box body 1, and the cleaning mechanism includes a groove 18 opened on the box body 1, the inner wall of the groove 18 is fixedly connected to a hydraulic rod 19, and the output end of the hydraulic rod 19 is fixedly connected to a brush plate 20. A plurality of first brushes are provided at one end of the brush plate 20 close to the crushing roller 17. The outer wall of the crushing roller 17 can be cleaned by the first brush to prevent the outer wall of the crushing roller 17 from being adhered to the dried red mud, and the subsequent crushing effect is good.

[0030] A screening mechanism is provided in the box body 1, and the screening mechanism includes a second reciprocating screw rod 23 that passes through the front face of the box body 1 and is rotatably connected thereto, the outer wall of the rotating rod 15 on the right side and the outer wall of the second reciprocating screw rod 23 are jointly sleeved with a third belt 22, the outer wall of the rotating rod 15 and the outer wall of the second reciprocating screw rod 23 are both fixedly connected with a third transmission wheel, the third belt 22 is sleeved on the outer walls of the two third transmission wheels, the outer wall of the second reciprocating screw rod 23 is sleeved with a cleaning plate 24, the fan 5 is arranged on the left side of the cleaning plate 24, the center of the fan 5 and the cleaning plate 24 are arranged on the same horizontal plane, and the inner wall of the box body 1 is fixed A sliding rod 25 is fixedly connected, and the sliding rod 25 passes through the cleaning plate 24 and is slidably connected thereto. The inner wall of the box body 1 is fixedly connected with an electromagnet 21 and a fixed cover body 26. The electromagnet 21 becomes a magnet with magnetism when energized, and can adsorb iron in the powder. The electromagnet 21 is arranged inside the fixed cover body 26. By setting the fixed cover body 26, the iron can be adsorbed on the side wall of the fixed cover body 26. A plurality of second brushes are provided at one end of the cleaning plate 24 close to the fixed cover body 26. The second brushes can reciprocate to clean the excessively adsorbed iron on the fixed cover body 26, thereby ensuring that the magnet has a good magnetic effect on the iron.

[0031] A discharge port 28 is provided on the side wall of the box body 1, and a collecting plate 27 is fixedly connected to the inner wall of the discharge port 28. The collecting plate 27 is arranged below the electromagnet 21. By arranging the collecting plate 27, iron can be collected and discharged and collected through the discharge port 28. A discharge hopper 29 is fixedly connected to the bottom of the box body 1. The bottom of the box body 1 is arranged in a truncated cone shape to facilitate discharge. Four supporting legs distributed in a rectangular shape are fixedly connected to the bottom of the box body 1. A control panel 30 is fixedly connected to the front of the box body 1. The control panel 30 can control the opening and closing of the motor 3 and the hydraulic rod 19 and the power on and off of the electromagnet 21.

[0032] In the present invention, after the red mud and the additive are stirred and dried, the dried red mud is injected into the box body 1 through the feed hopper 2, and the motor 3 is started. The transmission rod 4, the first belt 6, and the first reciprocating screw 7 are driven to rotate through the output end of the motor 3. The first reciprocating screw 7 is continuously rotated to drive the moving plate 8 and the two cutters 9 to move back and forth left and right. The two cutters 9 can cut the injected dried red mud into small objects, thereby reducing the volume of the dried red mud, so that the subsequent crushing effect of the dried red mud is good; finally, the dried red mud falls onto the two crushing rollers 17, and the transmission rod 4 rotates with the belt 6 to crush the dried red mud. The second belt 10, the rotating rod 11, the active bevel gear 13, the driven bevel gear 14, the rotating rod 15 on the left, the fixed gear 16, the fixed gear 16 on the right and the rotating rod 15 are rotated. The two rotating rods 15 rotate relative to each other to drive the crushing roller 17 to rotate relative to each other, so that the small volume of dried red mud that falls can be crushed, which is convenient for the subsequent screening of iron in the dried red mud. In the process of the crushing roller 17 rotating, the outer wall of the crushing roller 17 can be cleaned by the first brush arranged on the brush plate 20, so as to ensure the cleanliness of the surface of the crushing roller 17. The brush can be controlled by the hydraulic rod 19 The plate 20 moves to control the force of the first brush against the outer wall of the crushing roller 17, so as to achieve a good cleaning effect on the outer wall of the crushing roller 17; the crushed dried red mud material continues to fall, and the fan 5 is driven to rotate by the rotation of the transmission rod 4 to blow the crushed dried red mud material, so that the powdered dried red mud material is spread out when falling, and the electromagnet 21 is energized to turn it into a magnet, and the electromagnet 21 can absorb the iron in the dried red mud material in the powder, and the dried red mud continues to fall and is discharged through the discharge hopper 29, and the iron can be absorbed by the electromagnet 21 and the fixed cover 26, and the electric current is turned off periodically. The magnet 21 no longer has magnetism, and the iron is discharged through the discharge port 28, thereby realizing the collection of iron; the third belt 22 and the second reciprocating screw 23 are driven to rotate by the rotating rod 15 on the right side, so that the cleaning plate 24 slides on the sliding rod 25, and the second brush is driven to move by the movement of the cleaning plate 24 to clean the surface of the fixed cover body 26. When there is too much iron on the surface of the fixed cover body 26, the second brush is used to brush the iron away from the fixed cover body 26, and the iron can be discharged through the discharge port 28, thereby avoiding the influence of the magnetism on the surface of the fixed cover body 26 due to the excessive iron, and the subsequent magnetic attraction effect on the iron is good.

[0033] The above are only preferred specific implementation modes of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solutions and inventive concepts of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A red mud magnetization roasting comprehensive utilization device, comprising a housing (1), characterized in that: A feed hopper (2) fixedly connected to the box body (1) is provided on the top of the box body (1); a motor (3) is fixedly connected to the side wall of the box body (1); a transmission rod (4) is fixedly connected to the output end of the motor (3); the transmission rod (4) passes through the box body (1) and is rotatably connected to the box body (1); a fan (5) is fixedly connected to the end of the transmission rod (4); a first reciprocating screw rod (7) is rotatably connected to the side wall of the feed hopper (2); the outer wall of the transmission rod (4) and the outer wall of the first reciprocating screw rod (7) are jointly sleeved with a first belt (6); the outer wall of the first reciprocating screw rod (7) is sleeved with a moving plate (8); the moving plate (8) is close to the feed hopper (2). Two cutters (9) are fixedly connected to one end, and both of the cutters (9) penetrate the feed hopper (2) and are slidably connected thereto. A rotating rod (11) is provided at the front end of the box body (1). The outer wall of the rotating rod (11) is sleeved with a limit block (12) rotatably connected thereto, and the limit block (12) is fixedly connected to the front side of the box body (1). The outer wall of the transmission rod (4) and the outer wall of the rotating rod (11) are jointly sleeved with a second belt (10). A crushing mechanism is provided in the box body (1), a cleaning mechanism is provided in the box body (1), and a screening mechanism is provided in the box body (1). A control panel (30) is fixedly connected to the front side of the box body (1).

2. A red mud magnetization roasting comprehensive utilization device according to claim 1, characterized in that: The pulverizing mechanism comprises a driving bevel gear (13) fixedly connected to the end of a rotating rod (11), the driving bevel gear (13) meshing with a driven bevel gear (14), two rotating rods (15) rotatably connected thereto are provided through the front of the housing (1), the rotating rod (15) on the left side is coaxially fixedly connected to the driven bevel gear (14), the outer walls of the two rotating rods (15) are both fixedly connected with fixed gears (16), the two fixed gears (16) are meshing with each other, and the outer walls of the two rotating rods (15) are both fixedly connected with pulverizing rollers (17).

3. A red mud magnetization roasting comprehensive utilization device according to claim 2, characterized in that: The cleaning mechanism comprises a groove (18) formed on the box body (1); a hydraulic rod (19) is fixedly connected to the inner wall of the groove (18); a brush plate (20) is fixedly connected to the output end of the hydraulic rod (19); and a plurality of first brushes are provided at one end of the brush plate (20) close to the crushing roller (17).

4. The red mud magnetization roasting comprehensive utilization device according to claim 2 is characterized in that: The screening mechanism comprises a second reciprocating screw (23) penetrating the front side of the box body (1) and being rotatably connected thereto; the outer wall of the right rotating rod (15) and the outer wall of the second reciprocating screw (23) are jointly sleeved with a third belt (22); the outer wall of the second reciprocating screw (23) is sleeved with a cleaning plate (24); the inner wall of the box body (1) is fixedly connected with a sliding rod (25); the sliding rod (25) penetrates the cleaning plate (24) and is slidably connected thereto; the inner wall of the box body (1) is fixedly connected with an electromagnet (21) and a fixed cover body (26); the electromagnet (21) is arranged inside the fixed cover body (26); and a plurality of second brushes are arranged at one end of the cleaning plate (24) close to the fixed cover body (26).

5. The red mud magnetization roasting comprehensive utilization device according to claim 4 is characterized in that: The outer wall of the transmission rod (4) and the outer wall of the first reciprocating screw rod (7) are both fixedly connected to a first transmission wheel, the first belt (6) is sleeved on the outer walls of the two first transmission wheels, the outer wall of the transmission rod (4) and the outer wall of the rotating rod (11) are both fixedly connected to a second transmission wheel, the second belt (10) is sleeved on the outer walls of the two second transmission wheels, the outer wall of the rotating rod (15) and the outer wall of the second reciprocating screw rod (23) are both fixedly connected to a third transmission wheel, and the third belt (22) is sleeved on the outer walls of the two third transmission wheels.

6. The red mud magnetization roasting comprehensive utilization device according to claim 4 is characterized in that: The fan (5) is arranged on the left side of the cleaning plate (24), and the fan (5) and the center of the cleaning plate (24) are arranged on the same horizontal plane.

7. The red mud magnetization roasting comprehensive utilization device according to claim 1 is characterized in that: A discharge port (28) is provided on the side wall of the box body (1), and a collecting plate (27) is fixedly connected to the inner wall of the discharge port (28), wherein the collecting plate (27) is arranged below the electromagnet (21).

8. The red mud magnetization roasting comprehensive utilization device according to claim 1 is characterized in that: The bottom of the box body (1) is fixedly connected to a discharge hopper (29), the bottom of the box body (1) is arranged in a truncated cone shape, and the bottom of the box body (1) is fixedly connected to four supporting legs distributed in a rectangular shape.

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