Desulfurization, decarbonization and decalcification integrated equipment for ultralow-grade bauxite ore pulp

Abstract

The invention relates to the technical field of bauxite treatment, and discloses ultralow-grade bauxite ore pulp desulfurization, decarbonization and decalcification integrated equipment which comprises a base, two side plates are connected to the top end of the base, and a desulfurization bin, a decarbonization bin and a decalcification bin are connected between the side plates. The two sides of the desulfurization bin, the two sides of the decarbonization bin and the two sides of the decalcification bin are connected with transverse plates, and the top end of one transverse plate is connected with a multi-probe ultrasonic generator. According to the invention, bauxite can be better treated through cooperation among the desulfurization bin, the decarburization bin and the decalcification bin, meanwhile, feeding and discharging work can be automatically completed through the feeding mechanism and the storage mechanism, and the feeding mechanism can automatically move through cooperation between the air cylinder and the positioning mechanism, so that the operation steps are reduced, the treatment cost is reduced, and the working efficiency is improved. The mineral after each treatment can be cleaned through the cleaning water pipe, and the processing efficiency is improved and the processing quality is ensured through microwave heating and addition of ultrasonic waves.

Description

Technical Field

[0001] The invention relates to the technical field of bauxite processing, and in particular to an integrated device for desulfurization, decarbonization and decalcification of ultra-low-grade bauxite slurry. Background Art

[0002] Bauxite is an important aluminum-containing mineral. Its main components are aluminum hydroxide, gibbsite, boehmite or diaspore, as well as goethite, hematite, quartz, etc. It is the main raw material for extracting aluminum. It is also an important raw material for making artificial corundum, alumina cement and refractory materials. It can be divided into high-grade bauxite, medium-grade bauxite, medium-low-grade bauxite and ultra-low-grade bauxite according to the aluminum content.

[0003] When processing ultra-low-grade bauxite, it needs to undergo desulfurization, decarbonization and decalcification to ensure and improve the aluminum recovery rate, while also reducing the production cost of aluminum.

[0004] At present, the desulfurization, decarbonization and decalcification of ultra-low-grade bauxite are mostly processed separately and in steps, which requires more processing equipment and higher equipment costs. It is necessary to repeatedly transfer the processed bauxite to the equipment for the next step of processing, which increases the operation and processing steps, increases the processing cost, and increases the production time.

[0005] The above information disclosed in the background technology is only used to increase the understanding of the background technology of the present application, and therefore, it may include information that does not constitute the prior art known to ordinary technicians in the field. Summary of the invention

[0006] The object of the present invention is to provide an integrated device for desulfurization, decarbonization and decalcification of ultra-low-grade bauxite slurry to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above object, the present invention provides the following technical solution: comprising a base, wherein two side plates are connected to the top of the base, a desulfurization bin, a decarbonization bin and a decalcification bin are connected between the side plates, and both sides of the desulfurization bin, the decarbonization bin and the decalcification bin are connected with horizontal plates, and a multi-probe ultrasonic generator is connected to the top of one of the horizontal plates, and a cleaning water pipe is connected to one side of the desulfurization bin, the decarbonization bin and the decalcification bin, and an auxiliary agent pipe is connected to the other side;

[0008] The inner sides of the desulfurization bin, decarbonization bin and decalcification bin are all rotatably provided with a horizontal axis, and the ends of the horizontal axes close to each other penetrate the corresponding desulfurization bin, decarbonization bin and decalcification bin and are connected by flanges, and one end of the horizontal axis is connected with a stirring mechanism, one end of the horizontal axis in the decalcification bin penetrates the corresponding side plate and is connected with a pulley 1, and one end of the horizontal axis in the desulfurization bin penetrates the corresponding side plate and is connected with a speed sensor, the top ends of the desulfurization bin, decarbonization bin and decalcification bin are connected with a feeding hopper, and the bottom ends are connected with a discharge pipe, one side of the side plate is connected with two driving motors, the top end of the base is connected with two sets of movable rails, and two sets of positioning mechanisms are slidably arranged in the movable rails, one set of the positioning mechanisms is connected with a feeding mechanism at the top, and a storage mechanism is connected to the inner side of the feeding mechanism, the bottom end of the base is connected with a water storage bin, and a filter is connected to the inner side of the water storage bin;

[0009] A foam discharge pipe is connected to one side of the desulfurization bin, a fixing frame is connected between the inner walls of the foam discharge pipe, an extrusion spring is connected to one side of the fixing frame, a sealing plate is connected to the other end of the extrusion spring, a guide assembly is connected between the sealing plate and the fixing frame, a liquid level sensor is connected to one side of the inner wall of the desulfurization bin, and an air injection pipe is connected to one side of the desulfurization bin.

[0010] Preferably, a motor frame is connected to one side of the side plate, the drive motor is fixedly arranged on the top of the motor frame, the output end of the drive motor is connected to a second pulley, and a belt is sleeved and connected between the second pulley and the first pulley.

[0011] Preferably, one end of the cleaning water pipe and the auxiliary agent pipe are extended into the corresponding desulfurization bin, decarbonization bin and decalcification bin, and are connected with a nozzle.

[0012] Preferably, the feeding mechanism includes an outer ring frame, a plurality of connecting plates are connected to the outer surface of the outer ring frame, a servo motor is connected to one side of the connecting plates, a driving gear is connected to the output end of the servo motor, a rotating groove is opened on the inner side of the outer ring frame, an inner ring frame is rotatably arranged in the rotating groove, a rack is arranged on one side of the inner ring frame, one side of the driving gear is meshed with the rack, the storage mechanism is fixed on the inner side of the inner ring frame, and side rails are connected to both ends of the inner side of the outer ring frame.

[0013] Preferably, the material storage mechanism includes a material storage bin fixedly arranged on one side of the inner ring frame, an inspection door is hinged on one side of the material storage bin, a transfer bucket is connected to the top end of the material storage bin, a connecting plate is connected to the middle end of the transfer bucket, a telescopic rod is connected to the bottom end of the connecting plate, and the telescopic rod is fixedly arranged on the top end of the material storage bin.

[0014] Preferably, a heat-insulating chamber is connected to one side of the decarbonization chamber, a magnetron is connected between inner walls of the heat-insulating chamber, and a glass plate is connected to one side of the heat-insulating chamber.

[0015] Preferably, protective frames are connected to both sides of the desulfurization bin, decarbonization bin and decalcification bin, and the transverse plates are fixedly connected to the protective frames.

[0016] Preferably, the stirring mechanism comprises a flip shell, side holes are provided on both sides of the flip shell, a filter hole is connected to one side of the flip shell, and a flap is connected to one side of the inner wall of the flip shell.

[0017] Preferably, a cylinder is connected to one side of the positioning mechanism, and an output end of the cylinder passes through one group of positioning mechanisms and is connected to the other group of positioning mechanisms.

[0018] Preferably, the positioning mechanism includes a support seat, two groups of connecting arms are slidably arranged on the inner side of the support seat, the ends of the connecting arms away from each other are connected with anti-slip positioning strips, the sides of the two groups of connecting arms close to each other are provided with teeth, a transfer gear is rotatably arranged on one side of the bottom end of the support seat, both sides of the transfer gear are meshed with the teeth, an electric push rod is connected to the bottom end of the support seat, the output end of the electric push rod is connected to the anti-slip positioning strip, and a baffle is connected to the bottom end of the support seat.

[0019] In summary, this application includes the following beneficial technical effects:

[0020] The coordination among the desulfurization bin, decarbonization bin and decalcification bin can better process the bauxite. The loading and unloading work can be automatically completed through the feeding mechanism and the storage mechanism. The feeding mechanism can be automatically moved through the coordination between the cylinder and the positioning mechanism, thereby reducing the use cost of the equipment, reducing the operation steps and the processing cost. The minerals can be cleaned after each treatment through the cleaning water pipe, and the processing efficiency is improved and the processing quality is guaranteed through the addition of microwave heating and ultrasonic waves. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall structure of an integrated device for desulfurization, decarbonization and decalcification of ultra-low-grade bauxite slurry according to the present invention;

[0022] Figure 2 This is a schematic diagram of the overall structure of an integrated device for desulfurization, decarbonization and decalcification of ultra-low-grade bauxite slurry according to the present invention;

[0023] Figure 3 This is a schematic diagram of the side structure of an integrated device for desulfurization, decarbonization and decalcification of ultra-low-grade bauxite slurry according to the present invention;

[0024] Figure 4This is a schematic diagram of the overall structure of an integrated device for desulfurization, decarbonization and decalcification of ultra-low-grade bauxite slurry according to the present invention;

[0025] Figure 5 This is a schematic diagram of the overall structure of an integrated device for desulfurization, decarbonization and decalcification of ultra-low-grade bauxite slurry according to the present invention;

[0026] Figure 6 This is a schematic diagram of the overall structure of an integrated device for desulfurization, decarbonization and decalcification of ultra-low-grade bauxite slurry according to the present invention;

[0027] Figure 7 This is a schematic diagram of the overall structure of an integrated device for desulfurization, decarbonization and decalcification of ultra-low-grade bauxite slurry according to the present invention;

[0028] Figure 8 This is a schematic diagram of the overall structure of an integrated device for desulfurization, decarbonization and decalcification of ultra-low-grade bauxite slurry according to the present invention;

[0029] Fig. 9 The present invention is a schematic diagram of the overall structure of an integrated device for desulfurization, decarbonization and decalcification of ultra-low-grade bauxite slurry.

[0030] In the figure: 1. base; 2. side plate; 3. desulfurization chamber; 31. foam discharge pipe; 32. fixing frame; 33. extrusion spring; 34. guide assembly; 35. sealing plate; 36. liquid level sensor; 301. gas injection pipe; 4. decarbonization chamber; 41. insulation chamber; 42. magnetron; 43. glass plate; 5. decalcification chamber; 6. horizontal plate; 7. multi-probe ultrasonic generator; 8. cleaning water pipe; 9. auxiliary agent pipe; 141. nozzle; 10. horizontal axis; 11. stirring mechanism; 111. turning shell; 112. side hole; 113. filter hole; 114. turning plate; 12. pulley 1; 13. speed sensor; 14. hopper; 15. discharge pipe; 16. drive motor; 1 71. Pulley 2; 181. Belt; 17. Movable track; 18. Positioning mechanism; 181. Support seat; 182. Connecting arm; 183. Anti-skid positioning strip; 184. Tooth; 185. Transfer gear; 186. Electric push rod; 187. Baffle; 19. Cylinder; 20. Feeding mechanism; 200. Connecting plate; 201. Outer ring frame; 202. Servo motor; 203. Driving gear; 204. Inner ring frame; 205. Rack; 208. Side rail; 21. Storage mechanism; 211. Storage bin; 212. Inspection door; 213. Transfer bucket; 214. Connecting plate; 215. Telescopic rod; 22. Water storage bin; 221. Filter; 23. Rotating trough. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] See also Figure 1-9 The present invention provides a technical solution: comprising a base 1, two side plates 2 are connected to the top of the base 1, a desulfurization bin 3, a decarbonization bin 4 and a decalcification bin 5 are connected between the side plates 2, and the desulfurization bin 3, the decarbonization bin 4 and the decalcification bin 5 are connected to both sides with a horizontal plate 6, which is used to connect the desulfurization bin 3, the decarbonization bin 4 and the decalcification bin 5 together to ensure stable use, a multi-probe ultrasonic generator 7 is connected to the top of one of the horizontal plates 6, and the probes of the multi-probe ultrasonic generator 7 are respectively connected to the corresponding desulfurization bin 3, the decarbonization bin 4 and the decalcification bin 5, a cleaning water pipe 8 is connected to one side of the desulfurization bin 3, the decarbonization bin 4 and the decalcification bin 5, the bottom end of the cleaning water pipe 8 is connected to the same pipeline, and the other side is connected to an auxiliary agent pipe 9, a through hole is opened on one side of the 2 corresponding to the pipeline and the auxiliary agent pipe 9, which is convenient for the extension of the pipeline and the auxiliary agent pipe 9, the other end of the auxiliary agent pipe 9 is connected to the corresponding auxiliary agent source, and the other end of the cleaning water pipe 8 is connected to an external water source;

[0033] The inner sides of the desulfurization bin 3, the decarbonization bin 4 and the decalcification bin 5 are all rotatably provided with a transverse axis 10, and the ends of the transverse axis 10 that are close to each other penetrate the corresponding desulfurization bin 3, the decarbonization bin 4 and the decalcification bin 5 and are connected by flanges so that they can rotate synchronously, and one end of the transverse axis 10 is connected with a stirring mechanism 11, which can drive the stirring mechanism 11 to rotate when the transverse axis 10 rotates, and flip and stir the materials in the desulfurization bin 3, the decarbonization bin 4 and the decalcification bin 5, one end of the transverse axis 10 in the decalcification bin 5 penetrates the corresponding side plate 2, and is connected with a pulley 12, and one end of the transverse axis 10 in the desulfurization bin 3 penetrates the corresponding side plate 2, and is connected with a speed sensor 13, and the speed sensor 13 can be used to detect the rotation speed during operation, and the desulfurization bin 3 is connected. The top of the bin 3, the decarbonization bin 4 and the decalcification bin 5 are all connected with a feed hopper 14, and the bottom is connected with a discharge pipe 15. One end of the feed hopper 14 and the discharge pipe 15 is connected with a valve. One side of the side plate 2 is connected with two drive motors 16. The top of the base 1 is connected with two groups of movable tracks 17. Two groups of positioning mechanisms 18 are slidably arranged in the movable tracks 17. The top of one group of positioning mechanisms 18 is connected with a feeding mechanism 20. The inner side of the feeding mechanism 20 is connected with a storage mechanism 21. The bottom of the base 1 is connected with a water storage bin 22. The inner side of the water storage bin 22 is connected with a filter screen 221. After the desulfurization bin 3, the decarbonization bin 4 and the decalcification bin 5 discharge wastewater, it can be discharged into the water storage bin 22.

[0034] Reference Figure 3As shown, a froth discharge pipe 31 is connected to one side of the desulfurization bin 3, and a foam pump is connected to the other end of the froth discharge pipe 31 for discharging froth from the flotation. A fixing frame 32 is connected between the inner walls of the froth discharge pipe 31, and an extrusion spring 33 is connected to one side of the fixing frame 32, and a sealing plate 35 is connected to the other end of the extrusion spring 33. Figure 3 It can be seen that one side of the sealing plate 35 is chamfered to facilitate the limiting and sealing of the desulfurization bin 3. A guide assembly 34 is connected between the sealing plate 35 and the fixing frame 32. The guide assembly 34 is a conduit and a guide rod, wherein the conduit and the guide rod are respectively connected to the corresponding sealing plate 35 and the fixing frame 32. A liquid level sensor 36 is connected to one side of the inner wall of the desulfurization bin 3. The liquid level sensor 36 is located below the sealing plate 35. An air injection pipe 301 is connected to one side of the desulfurization bin 3. After xanthate (such as ethyl xanthate) and foam glue are added into the desulfurization bin 3 and stirred, the xanthate can combine with the sulfide in the slurry. The sulfide surface is made hydrophobic, and gas is injected into the desulfurization bin 3 through the gas injection pipe 301, so that foam is generated through the foaming agent and combined with the hydrophobic sulfide particles that have been treated with the agent. The water level in the desulfurization bin 3 is ensured to be at least level with the liquid level sensor 36 by water injection, and then the external foam pump is started to extract the foam in the desulfurization bin 3 through the foam discharge pipe 31. When the foam discharge pipe 31 generates suction force, negative pressure is formed inside, thereby pumping the sealing plate 35 to extract the foam in the desulfurization bin 3. After the foam discharge is completed, the extrusion spring 33 will lift and reset the sealing plate 35 to ensure the sealing of the desulfurization bin 3;

[0035] Reference Figure 1 As shown, a motor frame is connected to one side of the side panel 2, a driving motor 16 is fixedly arranged on the top of the motor frame, and a pulley 2 171 is connected to the output end of the driving motor 16. A belt is sleeved and connected between the pulley 2 171 and the pulley 1 12. When in use, the two sets of driving motors 16 can better drive the pulley 1 12 to rotate through the belt, so that the horizontal axis 10 in each processing bin rotates to stir the slurry.

[0036] Reference Figure 7 As shown, one end of the cleaning water pipe 8 and the auxiliary agent pipe 9 are extended to the corresponding desulfurization bin 3, decarbonization bin 4 and decalcification bin 5, and are connected with a nozzle 141. Clean water can be sprayed into the cleaning water pipe 8 to clean the treated slurry, and the auxiliary agent pipe 9 is more convenient to add the corresponding auxiliary agent, wherein the auxiliary agent pipe 9 is independently arranged.

[0037] Reference Figure 4-5As shown, the feeding mechanism 20 includes an outer ring frame 201, and a plurality of connecting plates 200 are connected to the outer surface of the outer ring frame 201. A servo motor 202 is connected to one side of the connecting plate 200, and a driving gear 203 is connected to the output end of the servo motor 202. A rotating groove 23 is provided on the inner side of the outer ring frame 201, and an inner ring frame 204 is rotatably provided in the rotating groove 23. A rack 205 is provided on one side of the inner ring frame 204. It can be seen from the accompanying drawings that a plurality of holes are provided on the surface of the outer ring frame 201, and one side of the driving gear 203 penetrates the holes and meshes with the rack 205. The storage mechanism 21 is fixedly arranged on the inner side of the inner ring frame 204, and side rails 208 are connected to both ends of the inner side of the outer ring frame 201. The servo motor 202 drives the driving gear The wheel 203 rotates, thereby driving the inner ring frame 204 to rotate in the rotating groove 23 through the engagement with the rack 205, thereby driving the storage mechanism 21 to rotate and switch the position of loading and receiving materials. The storage mechanism 21 includes a storage bin 211 fixedly arranged on one side of the inner ring frame 204, and an inspection door 212 is hinged on one side of the storage bin 211. A transfer bucket 213 is connected to the top of the storage bin 211, and a connecting plate 214 is connected to the middle end of the transfer bucket 213. The part connecting the transfer bucket 213 and the connecting plate 214 is a retractable bellows, and a valve is also connected to the bottom end of the bellows. A telescopic rod 215 is connected to the bottom end of the connecting plate 214. The telescopic rod 215 is fixedly arranged on the top of the storage bin 211 and connected to the valve. Figure 4 It can be seen that the storage bin 211 is provided with protruding parts on both sides, and the inner side of the side rail 208 is provided with a slide groove, so that the storage bin 211 can be slidably connected with the side rail 208. When the storage bin 211 is located at the bottom, the slurry or mineral discharged from the discharge pipe 15 under the corresponding processing bin can be connected through the transfer bucket 213. When the loading mechanism 20 rotates with the storage mechanism 21 to the top of the next processing bin, the telescopic rod 215 extends to push the transfer bucket 213 to align with the corresponding feed hopper 14, and then open the valve to allow the slurry or mineral to enter the corresponding processing bin, thereby realizing automatic loading and receiving of materials and ensuring automated processing.

[0038] Reference Fig. 9 As shown, a heat-insulating chamber 41 is connected to one side of the decarbonization chamber 4, a magnetron 42 is connected between the inner walls of the heat-insulating chamber 41, a glass plate 43 is connected to one side of the heat-insulating chamber 41, and the magnetron 42 emits microwaves to heat the minerals in the decarbonization chamber 4 to facilitate decarbonization treatment.

[0039] Reference Figure 1 and Figure 2 As shown, protective frames are connected on both sides of the desulfurization bin 3, the decarbonization bin 4 and the decalcification bin 5, and the cross plate 6 is fixedly connected to the protective frame, which can ensure the connectivity and stability between the desulfurization bin 3, the decarbonization bin 4 and the decalcification bin 5 when in use.

[0040] Reference Figure 6As shown, the stirring mechanism 11 includes a flip shell 111, side holes 112 are opened on both sides of the flip shell 111, a filter hole 113 is connected to one side of the flip shell 111, and a flap 114 is connected to one side of the inner wall of the flip shell 111. When the flip shell 111 rotates along the horizontal axis 10, the flap 114 can flip and stir the slurry, so that the additive and the slurry can be better mixed, and the liquid after the slurry is treated can be filtered and discharged through the side holes 112 and the filter holes 113.

[0041] Reference Figure 8 As shown, a cylinder 19 is connected to one side of the positioning mechanism 18, and the output end of the cylinder 19 passes through one group of positioning mechanisms 18 and is connected to another group of positioning mechanisms 18. The two groups of positioning mechanisms 18 can switch between working, and when the cylinder 19 is retracted and extended, it can move with the feeding mechanism 20.

[0042] Reference Figure 8 As shown, the positioning mechanism 18 includes a support seat 181, and two sets of connecting arms 182 are slidably arranged inside the support seat 181. The ends of the connecting arms 182 that are away from each other are connected to anti-slip positioning strips 183. Figure 8 It can be seen that one side of the anti-slip positioning strip 183 is provided with anti-slip teeth, and the sides of the two sets of connecting arms 182 close to each other are provided with teeth 184, and a transfer gear 185 is rotatably provided on one side of the bottom end of the support seat 181, and both sides of the transfer gear 185 are meshed with the teeth 184, and an electric push rod 186 is connected to the bottom end of the support seat 181, and the output end of the electric push rod 186 is connected to the anti-slip positioning strip 183. It can be seen from the accompanying drawings that one side of the inner wall of the support seat 1181 is connected to a support plate, and one end of the electric push rod 186 is connected to the support plate Fixedly connected, a baffle 187 is connected to the bottom end of the support seat 181, and the electric push rod 186 extends to push the anti-slip positioning strip 183 on one side to move, thereby driving the corresponding connecting arm 182 to move, and driving the transfer gear 185 to rotate through the teeth 184, so that the other set of connecting arms 182 moves, so that the two anti-slip positioning strips 183 can achieve synchronous movement in opposite directions, so that the anti-slip positioning strip 183 is against one side of the inner wall of the movable track 17, so that the positioning mechanism 18 is fixed in the movable track 17.

[0043] The implementation principle of the present application is as follows: when the present invention is used, the ultra-low-grade bauxite to be processed is injected into the storage bin 211, the feeding mechanism 20 works to drive the storage mechanism 21 to rotate to the top of the deflow bin 3, and then the telescopic rod 215 pushes the transfer bucket 213 to dock with the feed hopper 14, and the valve is opened to inject the mineral or slurry into the deflow bin 3. After the injection is completed, the storage mechanism 21 is reset to the bottom, and then the xanthate and foaming agent are injected into the deflow bin 3 through the auxiliary agent pipe 9. After the injection, the driving valve is opened. The motor 16 drives the pulley 12 to rotate through the belt, so that the horizontal shaft 10 drives the stirring mechanism 11 to rotate for stirring, and then injects air into the deflow bin 3 through the air injection pipe 301 to generate foam to bring out the sulfide particles, and then turns on the foam pump to extract the foam, and then injects clean water into the deflow bin 3 through the cleaning water pipe 8 for cleaning. Before cleaning, the discharge pipe 15 is opened to filter out the water in the slurry and discharge it into the water storage bin 22. After cleaning, the outlet pipe 15 is opened at the output end of the cylinder 19. The positioning mechanism 18 works and is fixed against the movable track 17, and then the cylinder 19 extends, driving the positioning mechanism 18 on one side of the cylinder 19 to move, so that the feeding mechanism 20 moves to the bottom of the deflow bin 3, opens the valve, and rotates the stirring mechanism 11 to the top, so that the mineral or slurry is discharged into the storage mechanism 21, and then moves to the position of the decarbonization bin 4 again. At the same time, the storage mechanism 21 moves to the top, and the slurry is injected into the decarbonization bin 4 in the same way, and then sulfuric acid or hydrochloric acid is injected into the decarbonization bin 4 through the auxiliary agent pipe 9, and stirred in the same way, and heated by the magnetron 42 for decarbonization treatment, and then cleaned and discharged again, accepted by the storage mechanism 21, and discharged into the decalcification bin 5, and sulfuric acid or hydrochloric acid is injected into the decalcification bin 5 through the auxiliary agent pipe 9 for decalcification treatment. During the treatment, the multi-probe ultrasonic generator 7 will be turned on, and the ultrasonic wave is used to make the auxiliary agent and the slurry more fully integrated, thereby improving the processing efficiency.

[0044] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0045] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An integrated device for desulfurization, decarbonization and decalcification of ultra-low-grade bauxite slurry, comprising a base (1), characterized in that: Two side plates (2) are connected to the top of the base (1); a desulfurization bin (3), a decarbonization bin (4) and a decalcification bin (5) are connected between the side plates (2); both sides of the desulfurization bin (3), the decarbonization bin (4) and the decalcification bin (5) are connected with transverse plates (6); a multi-probe ultrasonic generator (7) is connected to the top of one of the transverse plates (6); a cleaning water pipe (8) is connected to one side of the desulfurization bin (3), the decarbonization bin (4) and the decalcification bin (5); and an auxiliary agent pipe (9) is connected to the other side; The desulfurization bin (3), decarbonization bin (4) and decalcification bin (5) are all rotatably provided with a transverse shaft (10), and the ends of the transverse shafts (10) close to each other penetrate the corresponding desulfurization bin (3), decarbonization bin (4) and decalcification bin (5) and are connected by flanges. One end of the transverse shaft (10) is connected with a stirring mechanism (11). One end of the transverse shaft (10) in the decalcification bin (5) penetrates the corresponding side plate (2) and is connected with a pulley (12). One end of the transverse shaft (10) in the desulfurization bin (3) penetrates the corresponding side plate (2) and is connected with a speed sensor (13). The top of the bin (5) is connected to a feeding hopper (14), and the bottom is connected to a discharge pipe (15); one side of the side plate (2) is connected to two driving motors (16); the top of the base (1) is connected to two groups of movable tracks (17); two groups of positioning mechanisms (18) are slidably arranged inside the movable tracks (17); the top of one group of the positioning mechanisms (18) is connected to a feeding mechanism (20); the inner side of the feeding mechanism (20) is connected to a storage mechanism (21); the bottom of the base (1) is connected to a water storage bin (22); the inner side of the water storage bin (22) is connected to a filter screen (221); A froth discharge pipe (31) is connected to one side of the desulfurization bin (3), a fixing frame (32) is connected between the inner walls of the froth discharge pipe (31), an extrusion spring (33) is connected to one side of the fixing frame (32), a sealing plate (35) is connected to the other end of the extrusion spring (33), a guide assembly (34) is connected between the sealing plate (35) and the fixing frame (32), a liquid level sensor (36) is connected to one side of the inner wall of the desulfurization bin (3), and an air injection pipe (301) is connected to one side of the desulfurization bin (3).

2. The integrated equipment for desulfurization, decarbonization and decalcification of ultra-low-grade bauxite slurry according to claim 1, characterized in that: A motor frame is connected to one side of the side plate (2), the drive motor (16) is fixedly arranged at the top of the motor frame, and the output end of the drive motor (16) is connected to a second pulley (171), and a belt is sleeved and connected between the second pulley (171) and the first pulley (12).

3. The integrated equipment for desulfurization, decarbonization and decalcification of ultra-low-grade bauxite slurry according to claim 1 is characterized in that: One end of the cleaning water pipe (8) and the auxiliary agent pipe (9) both extend into the corresponding desulfurization bin (3), decarbonization bin (4) and decalcification bin (5), and are connected to a nozzle (141).

4. The integrated equipment for desulfurization, decarbonization and decalcification of ultra-low-grade bauxite slurry according to claim 1, characterized in that: The feeding mechanism (20) comprises an outer ring frame (201), the outer surface of the outer ring frame (201) is connected to a plurality of connecting plates (200), one side of each of the connecting plates (200) is connected to a servo motor (202), the output end of each of the servo motors (202) is connected to a driving gear (203), a rotating groove (23) is provided inside the outer ring frame (201), an inner ring frame (204) is rotatably provided inside the rotating groove (23), a rack (205) is provided on one side of the inner ring frame (204), one side of the driving gear (203) is meshed with the rack (205), the material storage mechanism (21) is fixedly provided on the inner side of the inner ring frame (204), and both ends of the inner side of the outer ring frame (201) are connected to side rails (208).

5. The integrated equipment for desulfurization, decarbonization and decalcification of ultra-low-grade bauxite slurry according to claim 1, characterized in that: The material storage mechanism (21) comprises a material storage bin (211) fixedly arranged on one side of the inner ring frame (204); an inspection door (212) is hingedly connected to one side of the material storage bin (211); a transfer bucket (213) is connected to the top of the material storage bin (211); a connecting plate (214) is connected to the middle of the transferring bucket (213); a telescopic rod (215) is connected to the bottom of the connecting plate (214); and the telescopic rod (215) is fixedly arranged on the top of the material storage bin (211).

6. The integrated equipment for desulfurization, decarbonization and decalcification of ultra-low-grade bauxite slurry according to claim 1, characterized in that: A heat-insulating chamber (41) is connected to one side of the decarbonization chamber (4), a magnetron (42) is connected between inner walls of the heat-insulating chamber (41), and a glass plate (43) is connected to one side of the heat-insulating chamber (41).

7. The integrated equipment for desulfurization, decarbonization and decalcification of ultra-low-grade bauxite slurry according to claim 1, characterized in that: Both sides of the desulfurization bin (3), the decarbonization bin (4) and the decalcification bin (5) are connected with protective frames, and the transverse plate (6) is fixedly connected to the protective frames.

8. The integrated equipment for desulfurization, decarbonization and decalcification of ultra-low-grade bauxite slurry according to claim 1, characterized in that: The stirring mechanism (11) comprises a turning shell (111), both sides of the turning shell (111) are provided with side holes (112), one side of the turning shell (111) is connected to a filter hole (113), and one side of the inner wall of the turning shell (111) is connected to a turning plate (114).

9. The integrated equipment for desulfurization, decarbonization and decalcification of ultra-low-grade bauxite slurry according to claim 1, characterized in that: A cylinder (19) is connected to one side of the positioning mechanism (18), and an output end of the cylinder (19) passes through one group of positioning mechanisms (18) and is connected to the other group of positioning mechanisms (18).

10. The integrated equipment for desulfurization, decarbonization and decalcification of ultra-low-grade bauxite slurry according to claim 9, characterized in that: The positioning mechanism (18) comprises a support seat (181), two groups of connecting arms (182) are slidably arranged inside the support seat (181), the ends of the connecting arms (182) that are away from each other are connected to anti-slip positioning strips (183), the sides of the two groups of connecting arms (182) that are close to each other are provided with teeth (184), a transfer gear (185) is rotatably arranged on one side of the bottom end of the support seat (181), both sides of the transfer gear (185) are meshed with the teeth (184), an electric push rod (186) is connected to the bottom end of the support seat (181), the output end of the electric push rod (186) is connected to the anti-slip positioning strip (183), and a baffle (187) is connected to the bottom end of the support seat (181).

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