A cylindrical ore washing device for laterite nickel ore

Abstract

The application discloses a cylindrical ore washing device for laterite nickel ore and belongs to the technical field of ore washing. The device comprises a plurality of ore washing cylinders, an ore slurry liquid inlet structure, a plurality of driving mechanisms and a water injection mechanism, an ore washing cavity is formed in the interior of each ore washing cylinder, the ore slurry liquid inlet structure is provided with a main conveying channel and a plurality of material conveying channels, a viscosity detection module for detecting the viscosity of the ore slurry is arranged in the main conveying channel, the plurality of driving mechanisms are connected with the plurality of ore washing cylinders respectively, and the water injection mechanism is arranged in each ore washing cylinder. The device can be used for targeted conveying and cleaning of raw materials according to the viscosity of the raw materials. For the ore slurry with relatively large viscosity, the ore slurry needs to be sent into the first-stage ore washing cylinder due to the large mud content, and the ore slurry with relatively small viscosity is conveyed into the subsequent ore washing cylinder according to the viscosity setting condition of the ore slurry, so that the ore washing steps are relatively reduced, the ore can be fully cleaned, and the ore washing efficiency is improved.

Description

Technical Field

[0001] This invention relates to the field of ore washing technology, and in particular to a cylindrical ore washing device for laterite nickel ore. Background Technology

[0002] Laterite nickel ore is a loose, clayey aggregate containing oxides of elements such as nickel, iron, magnesium, cobalt, silicon, and aluminum, formed over a long period of geological processes from nickel-bearing olivine bedrock. Its form is primarily earthy. After mining, laterite ore requires beneficiation for subsequent smelting processes such as wet acid leaching. Laterite ore beneficiation typically includes washing, chromite beneficiation (excluding chromite), and concentration. The purpose of washing is to separate coarse-grained ore from the laterite deposit.

[0003] CN214347157U discloses a cylindrical ore washing machine, which mainly includes a cylinder and a sled-type base. In use, ore material is fed into the cylinder through a feeding hopper. A motor and a reducer are fixedly installed in the upper middle part of the sled-type base, with the motor and reducer coaxially connected. A rotating shaft is located on the left side of the reducer, and a rubber roller is coaxially fixedly connected to the rotating shaft. A track is provided on the outside of the cylinder, and the track on the outside of the cylinder meshes with the rubber roller, driving the cylinder to rotate and clean the ore inside. However, existing cylindrical ore washing machines directly feed the ore through the feed end and drive the cylinder to rotate to clean the ore. However, due to the different mud contents in different parts of the ore raw material, the viscosity of the raw material varies. Existing cylindrical ore washing devices cannot clean ores with different viscosities, resulting in a large amount of ore being mixed and piled up during washing, making targeted washing difficult and leading to low washing efficiency. Summary of the Invention

[0004] The purpose of this invention is to overcome the above-mentioned technical deficiencies and propose a cylindrical washing device for laterite nickel ore, which solves the technical problems of difficulty in targeted washing and low washing efficiency in the prior art.

[0005] To achieve the above technical objectives, the present invention provides a cylindrical washing device for laterite nickel ore, comprising: a plurality of washing cylinders, a slurry inlet structure, a plurality of driving mechanisms, and a water injection mechanism. Each washing cylinder has a washing chamber inside, and the plurality of washing chambers are sequentially connected. The plurality of washing cylinders are all inclined at an angle to the horizontal plane, and the inclination angle of the washing cylinders increases sequentially along the material conveying direction. The slurry inlet structure has a main conveying channel and a plurality of material conveying channels, and the main conveying channel is connected to the plurality of material conveying channels. The material conveying channels are connected to several washing cylinders. The main conveying channel is equipped with a viscosity detection module for detecting the viscosity of the slurry. Based on the detected viscosity value, the slurry is controlled to be conveyed through the corresponding material conveying channel to the corresponding washing cylinder. The viscosity value of the slurry in the washing cylinder closer to the first stage is greater. Several driving mechanisms are connected to several washing cylinders to drive the washing cylinders to rotate. The water injection mechanism is set in each washing cylinder to provide water for washing the mineral materials.

[0006] In some embodiments, the washing cylinders are spaced apart, and each space is provided with a guide pipe to guide ore from one washing cylinder to another. The number of drive mechanisms is the same as the number of washing cylinders, and each drive mechanism includes an external gear ring, a gear, a transmission component, and a drive motor. The external gear ring is fitted around the outer center of the washing cylinder, and its outer side has a toothed groove. The gear is located on one side of the external gear ring and meshes with the toothed groove of the external gear ring for rotational connection. The drive motor is connected to the central shaft of the gear through the transmission component, so as to drive the gear to rotate, thereby rotating the external gear ring and the washing cylinder. Each washing cylinder also has a support structure at both ends. The support structure includes a support ring and two support wheels. The support ring is fitted around the outer sides of both ends of the washing cylinder, and the two support wheels are located on both sides of the bottom of the washing cylinder, supporting the support ring below and rotatably connected to it.

[0007] In some embodiments, a first agitation component and a second agitation component are sequentially arranged inside the washing cylinder along the material conveying direction. The first agitation component and the second agitation component each include a first stirring plate and a second stirring plate arranged circumferentially along the washing cylinder. One end of each of the first stirring plate and the second stirring plate is fixedly connected to the washing cylinder, and the other end extends toward the center of the washing cylinder and can rotate with it when the washing cylinder is in operation. Each of the first stirring plates is arranged in a spiral manner. Two sets of the second agitation components are provided, and the second stirring plates of the two sets of second agitation components are staggered. The installation position of the second stirring plate is consistent with the length direction of the washing cylinder.

[0008] In some embodiments, each of the material conveying channels is provided with an opening and closing valve, which is electrically connected to the viscosity detection module so that when the viscosity of the material reaches the set value of the viscosity processed by each washing cylinder, the corresponding opening and closing valve is driven to open by the viscosity detection module.

[0009] In some embodiments, the cylindrical washing device for laterite nickel ore further includes several filtration and cleaning structures, each disposed within a washing cylinder following the first stage. Each filtration and cleaning structure includes a filter cylinder, which is concentrically arranged within the washing cylinder and fixedly connected to it via a support rod. The filter cylinders rotate with the washing cylinder, and their diameters increase sequentially along the material conveying direction and are connected in sequence. The water injection mechanism includes a first cleaning component and a second cleaning component. The first cleaning component is disposed inside the first-stage washing cylinder and is used to inject water into the first-stage washing cylinder. The washing cylinder is equipped with a water supply. The second cleaning component is located inside the washing cylinder after the first stage and is situated within several filter cylinders to supply water to the interior of the filter cylinders. The water injection mechanism also includes a discharge flushing component. The first cleaning component, the second cleaning component, and the discharge flushing component each include several nozzles and water pipes. The water pipes are connected to the water source. The several nozzles are evenly arranged along the length of the water pipes and are connected to the water pipes. The discharge flushing component is located at the discharge end of the last stage washing cylinder, with one end extending into the interior of the washing cylinder to further clean the material.

[0010] Compared with the prior art, the beneficial effects of the present invention include: by setting up several washing cylinders, a slurry inlet structure, several driving mechanisms, and a water injection mechanism, the washing chambers of the several washing cylinders are connected in sequence, and the inclination angle formed by the washing cylinders with the horizontal plane increases sequentially along the material conveying direction. Furthermore, each washing cylinder is equipped with a separate material conveying channel. A viscosity detection module installed in the main conveying channel detects the viscosity value of the conveyed slurry, so that slurry of corresponding viscosity is conveyed to the corresponding washing cylinder. This enables targeted conveying and cleaning of ores with different viscosities. The viscosity value of the slurry in the washing cylinders closer to the first stage is greater, and this combined with a graded cleaning method... When the raw material has a high viscosity, it is mainly necessary to remove the slurry containing mud and sand. Therefore, a cylinder with a smaller inclination is selected to extend the washing time of the raw material in the first-stage washing cylinder, which facilitates the full discharge of mud and sand. Then, the inclination of the cylinder is increased to improve the flow rate of the raw material in subsequent cylinders, thereby dispersing the accumulated raw material step by step, which is conducive to washing the mud and sand adhering to the ore. In addition, the feed can be controlled according to the viscosity of the raw material. For slurries with higher viscosity and higher mud content, they need to be fed into the first-stage washing cylinder for multiple washing. Slurries with relatively lower viscosity are fed into subsequent washing cylinders according to the viscosity setting, thereby reducing the number of washing steps while ensuring that the ore can be fully washed, which helps to improve the washing efficiency. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the cylindrical washing device for laterite nickel ore provided by the present invention.

[0012] Figure 2 This is a schematic diagram of the internal structure of the washing cylinder in an embodiment of the cylindrical washing device for laterite nickel ore provided by the present invention.

[0013] Figure 3 This is a cross-sectional schematic diagram of the drive mechanism of an embodiment of the cylindrical washing device for laterite nickel ore provided by the present invention.

[0014] Figure 4 This is a schematic diagram of the cross-sectional structure of the support structure and the second stirring plate of an embodiment of the cylindrical washing device for laterite nickel ore provided by the present invention.

[0015] Figure 5 This is a cross-sectional schematic diagram of the second stirring plate in an embodiment of the cylindrical washing device for laterite nickel ore provided by the present invention.

[0016] In the picture:

[0017] 1. Ore washing cylinder; 11. Inner cylinder; 12. Outer cylinder; 13. Material guide pipe; 14. Support structure; 141. Support ring; 142. Support wheel;

[0018] 2. Slurry inlet structure; 21. Main conveying channel; 22. Material conveying channel; 23. Viscosity detection module; 24. Opening and closing valves;

[0019] 3. Drive mechanism; 31. External gear ring; 32. Gear; 33. Transmission component; 34. Drive motor;

[0020] 4. Water injection mechanism; 41. First cleaning component; 42. Second cleaning component; 43. Discharge rinsing component;

[0021] 5. Filter cleaning structure; 51. Filter cylinder; 52. Support rod;

[0022] 6. First agitation component; 61. First mixing plate; 7. Second agitation component; 71. Second mixing plate. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0024] like Figures 1 to 5 As shown, this invention provides a cylindrical washing device for laterite nickel ore, comprising: several washing cylinders 1, a slurry inlet structure 2, several driving mechanisms 3, and a water injection mechanism 4. Each washing cylinder 1 has a washing chamber inside, and the several washing chambers are sequentially connected. Each washing cylinder 1 forms an inclination angle with the horizontal plane, and the inclination angle of the washing cylinder 1 increases sequentially along the material conveying direction. The slurry inlet structure 2 has a main conveying channel 21 and several material conveying channels 22, and the main conveying channel 21 and the several material conveying channels 22 are all connected. 22 is connected to several washing cylinders 1 respectively. The main conveying channel 21 is equipped with a viscosity detection module 23 for detecting the viscosity of the slurry, so as to control the slurry to be conveyed to the corresponding washing cylinder 1 through the corresponding material conveying channel 22 according to the detected viscosity value. The viscosity value of the slurry in the washing cylinder 1 closer to the first stage is greater. Several driving mechanisms 3 are connected to several washing cylinders 1 respectively, so as to drive the washing cylinders 1 to rotate respectively. The water injection mechanism 4 is set in each washing cylinder 1, so as to provide water to the washing cylinder 1 for washing the mineral material.

[0025] In this device, several washing cylinders 1 are arranged, and several washing chambers are connected in sequence. Water for washing mineral materials is supplied to the washing cylinders 1 through a water injection mechanism 4. Each washing cylinder 1 is driven to rotate by a drive mechanism 3 to facilitate material washing. The washing cylinders 1 form an inclination angle with the horizontal plane, and the inclination angle increases sequentially along the material conveying direction. Each washing cylinder 1 is equipped with a separate material conveying channel 22. The viscosity value of the conveyed slurry is detected by a viscosity detection module 23 set in the main conveying channel 21, so that the slurry of the corresponding viscosity is conveyed to the corresponding washing cylinder 1. This allows for targeted conveying and washing of ores with different viscosities. The viscosity value of the slurry in the washing cylinder 1 closer to the first stage is greater. By employing a graded washing method, when the raw material viscosity is high, the mud content in the raw material is also high. Therefore, it is mainly necessary to remove the slurry containing mud and sand. Thus, a cylinder with a small inclination is selected to fully separate the mud and sand in the raw material from the ore. Then, the cylinder inclination is increased to improve the flow rate of the raw material in subsequent cylinders, thereby dispersing the accumulated raw material in stages, which is conducive to washing the mud and sand adhering to the ore. Furthermore, the feed can be controlled according to the viscosity of the raw material. For slurries with high viscosity and high mud content, they need to be fed into the first-stage washing cylinder 1 for multiple washing. Slurries with relatively low viscosity are fed into subsequent washing cylinders 1 according to the slurry viscosity setting. This reduces the number of washing steps while ensuring that the ore is thoroughly cleaned, which is beneficial to improving washing efficiency.

[0026] It should be noted that the specific structure of the viscosity detection module 23 used to detect the viscosity of the slurry is not limited. It can directly use a viscosity meter or other equipment that can detect viscosity. The working principle of the viscosity meter is mainly to calculate the viscosity by measuring the flow rate of the liquid under applied force.

[0027] To achieve the goal of conveying raw materials through the corresponding material conveying channel 22 according to the material's viscosity, such as... Figure 1 As shown, in some embodiments, several material conveying channels 22 are equipped with on / off valves 24. The on / off valves 24 are electrically connected to the viscosity detection module 23. When the viscosity of the material reaches the set value for the processing viscosity of each washing cylinder 1, the viscosity detection module 23 and the control system drive the corresponding on / off valve 24 to open. When one on / off valve 24 is open, the other on / off valves 24 are closed. For example, when the viscosity value is detected to be within the processing range of the first-level washing cylinder 1, the first on / off valve 24 is driven to open, and the latter two on / off valves 24 are closed, ensuring that the raw material is accurately conveyed to the corresponding washing cylinder 1.

[0028] To further improve the cleaning effect on ore, such as Figure 1As shown, in some embodiments, the cylindrical washing device for laterite nickel ore further includes several filtration and washing structures 5. These filtration and washing structures 5 are respectively arranged inside the washing cylinder 1 after the first stage. The ore after the first stage washing contains less mud and sand, which can prevent mud and sand from mixing in the filtration and washing structures 5. Each filtration and washing structure 5 includes a filter cylinder 51. The filter cylinders 51 are concentrically arranged inside the washing cylinder 1 and are fixedly connected to the washing cylinder 1 by a support rod 52. They can rotate with the washing cylinder 1. The diameter of the several filter cylinders 51 increases sequentially along the material conveying direction and is connected sequentially, which can sequentially convey the ore to the next filter cylinder 51. In order to supply water to the washing cylinder 1 and the filter cleaning structure 5, the water injection mechanism 4 includes a first cleaning component 41 and a second cleaning component 42. The first cleaning component 41 is disposed inside the first-stage washing cylinder 1 to supply water to the first-stage washing cylinder 1. The second cleaning component 42 is disposed inside the washing cylinder 1 after the first stage and is located in several filter cylinders 51 to supply water to the several filter cylinders 51. The ore washed by the washing cylinder 1 is then transported into the filter cylinders 51. When the filter cylinders 51 rotate with the washing cylinder 1, water is sprayed into the filter cylinders 51 in conjunction with the second cleaning component 42, which can further clean the ore inside the filter cylinders 51. The cleaned water is directly discharged into the washing cylinder 1, making full use of water resources.

[0029] Furthermore, in some embodiments, the water injection mechanism 4 further includes a discharge flushing component 43, which is disposed at the discharge end of the last stage of the washing cylinder 1. One end of the discharge flushing component 43 extends into the interior of the washing cylinder 1 to further clean the material. Specifically, in this embodiment, the first cleaning component 41, the second cleaning component 42, and the discharge flushing component 43 each include several nozzles and water pipes. The water pipes are connected to a water source and are fixed to an external fixed structure. They will not rotate with the rotation of the washing cylinder 1 and the filter cylinder 51. Several nozzles are evenly arranged along the length of the water pipes and connected to the water pipes. The nozzles face the raw material below to achieve rinsing of the ore.

[0030] Specifically, such as Figure 2 As shown, in some embodiments, the washing cylinder 1 includes an inner cylinder 11 and an outer cylinder 12, which are coaxially sleeved together. The inner cylinder 11 is located inside and a filter screen is provided in the middle. The inner cylinder 11 and the outer cylinder 12 are fixed by circumferentially arranged support blocks, and a sandwich layer for discharging mud and sand is formed between them. The sandwich layer is connected to a mud discharge pipe so that when rotating, the filter screen part can filter the mud and sand in the ore inside and discharge it into the sandwich layer, and finally transport it out through the mud discharge pipe. Furthermore, each inner cylinder 11 is the same size.

[0031] In order to provide a feeding structure at one end of each ore washing cylinder 1, so as to convey raw materials of corresponding viscosity into the ore washing cylinder 1 through the material conveying channel 22 respectively, therefore, as Figure 1 As shown, in some embodiments, each of the washing cylinders 1 is arranged in a spaced manner, with adjacent washing cylinders 1 arranged at intervals, and a material guiding pipe 13 is provided at each interval, which can guide the ore from one of the washing cylinders 1 to the other washing cylinder 1.

[0032] Specifically, to reduce equipment costs without affecting washing efficiency, in this embodiment, three washing cylinders 1 are used. The inclination angle of the first-stage washing cylinder 1 is 0° to 5°, the inclination angle of the second-stage washing cylinder 1 is 5° to 15°, and the inclination angle of the third-stage washing cylinder 1 is 15° to 30°. The three washing cylinders 1 are easy to install and can meet the requirements for classifying and washing the ore. For slurries with higher viscosity and higher mud content, they are fed into the first-stage washing cylinder 1 and washed multiple times through the three washing cylinders 1. Slurries with relatively lower viscosity are transported to the second-stage or third-stage washing cylinder 1 according to their mud content for two-stage or one-stage washing, thereby reducing the number of washing steps. At the same time, since the second-stage and third-stage washing cylinders 1 have relatively large inclinations, their conveying speed is faster, which can meet the washing requirements for ores with less mud content, thus improving washing efficiency.

[0033] To achieve stable operation of the washing cylinder 1, such as Figure 1 , Figure 3 , Figure 4As shown, in some embodiments, the number of drive mechanisms 3 is the same as the number of washing cylinders 1. The drive mechanism 3 includes an external gear ring 31, a gear 32, a transmission component 33, and a drive motor 34. The external gear ring 31 is fitted into the middle of the outer side of the washing cylinder 1, and the outer side of the external gear ring 31 is provided with tooth grooves. The gear 32 is rotatably mounted on the base at the bottom and is located on one side of the external gear ring 31, meshing and rotating with the tooth groove of the external gear ring 31. The drive motor 34 is connected to the central shaft of the gear 32 through the transmission component 33. Specifically, the transmission component 33 can be a belt-type reduction gearbox, or it can be a gear or other form of structure that can transmit rotation. In practice, the drive motor 34 drives the gear 32 to rotate through the transmission component 33, and the gear 32 drives the external gear ring 31 and the washing cylinder 1 to rotate, so as to perform ore washing. Furthermore, each of the washing cylinders 1 is provided with a support structure 14 at both ends. The support structure 14 includes a support ring 141 and two support wheels 142. The support ring 141 is respectively fitted on the outer side of both ends of the washing cylinder 1. The two support wheels 142 are also rotatably mounted on the base at the bottom and are respectively provided on both sides of the bottom of the washing cylinder 1. The support wheels 142 are supported below the support ring 141 and are rotatably connected to the support ring 141, so that the washing cylinder 1 can rotate stably.

[0034] To improve the cleaning quality of each washing cylinder 1, such as Figures 2 to 5 As shown, in some embodiments, the interior of the washing cylinder 1 is sequentially provided with a first agitation component 6 and a second agitation component 7 along the material conveying direction. The first agitation component 6 and the second agitation component 7 respectively include a first stirring plate 61 and a second stirring plate 71 arranged circumferentially along the washing cylinder 1. One end of the first stirring plate 61 and the second stirring plate 71 are fixedly connected to the washing cylinder 1, and the other end extends toward the center of the washing cylinder 1 and can rotate with it when the washing cylinder 1 is in operation. Specifically, in this embodiment, each of the first stirring plates 61 is arranged in a spiral pattern. Two sets of the second stirring components 7 are provided, with the second stirring plates 71 of the two sets of second stirring components 7 staggered to disperse the mud and ore. The installation position of the second stirring plates 71 is consistent with the length direction of the washing cylinder 1. When the raw material enters the washing cylinder 1, it is first spirally stirred and conveyed by the first stirring plates 61, and then sequentially stirred multiple times by the two second stirring components 7 to disperse the mud and ore. Finally, the mud and ore can be filtered out through the washing cylinder 1. Further, as... Figure 4 As shown, in the first-stage washing cylinder 1, the second agitator plate 71 has a C-shaped structure, which can drive the raw material upward and lift it at the top of the washing cylinder 1, allowing for full contact and friction, which facilitates the removal of mud and sand from the ore or in clumps. Figure 5As shown, in the washing cylinder 1 after the first stage, the second stirring plate 71 has an L-shaped structure.

[0035] Working principle: During implementation, the slurry is conveyed through the main conveying channel 21. Its viscosity is detected by the viscosity detection module 23. Based on its viscosity value, the valve 24 of the corresponding material conveying channel 22 is triggered to open, allowing the material to enter the corresponding washing cylinder 1 through the corresponding material conveying channel 22. The drive motor 34 drives the gear 32 to rotate through the transmission component 33. The gear 32 drives the outer gear ring 31 and the washing cylinder 1 to rotate. The washing water is conveyed to the washing cylinder 1 and the filter cylinder 51 through the first washing component 41, the second washing component 42 and the discharge flushing component 43 respectively. The raw material is turned over by the first stirring plate 61 and the second stirring plate 71 in the washing cylinder 1 to wash away the mud and sand. After the washing cylinder 1 is cleaned through multiple stages, the ore is conveyed to the filter cylinder 51 again. The filter cylinder 51 can rotate with the rotation of the washing cylinder 1, and the second washing component 42 can supply water to the inside of the filter cylinder 51 to clean the ore through a small path, further improving the cleaning efficiency.

[0036] This invention comprises several washing cylinders 1, a slurry inlet structure 2, several driving mechanisms 3, and a water injection mechanism 4. The washing chambers of the washing cylinders 1 are sequentially connected, and each washing cylinder 1 forms an angle with the horizontal plane, with the angle increasing sequentially along the material conveying direction. Each washing cylinder 1 is equipped with a separate material conveying channel 22. A viscosity detection module 23 installed in the main conveying channel 21 detects the viscosity value of the conveyed slurry, allowing slurry of corresponding viscosity to be conveyed to the corresponding washing cylinder 1. This enables targeted conveying and cleaning of ores with different viscosities. The viscosity value of the slurry in the washing cylinder 1 closer to the first stage is higher. This combined approach employs a graded cleaning method. When the viscosity is high, it is mainly necessary to remove the slurry containing mud and sand. Therefore, a cylinder with a smaller inclination is selected to extend the washing time of the raw material in the first-stage washing cylinder 1, which facilitates the full discharge of mud and sand. Then, the inclination of the cylinder is increased to increase the flow rate of the raw material in subsequent cylinders, thereby dispersing the accumulated raw material step by step, which is conducive to washing the mud and sand adhering to the ore. In addition, the feed can be controlled according to the viscosity of the raw material. For slurries with higher viscosity and higher mud content, they need to be fed into the first-stage washing cylinder 1 for multiple washing. Slurries with relatively lower viscosity are fed into subsequent washing cylinders 1 according to the slurry viscosity setting, thereby reducing the number of washing steps while ensuring that the ore can be fully washed, which is conducive to improving washing efficiency.

[0037] In the description of this application, it should be noted that the terms "upper" and "lower," etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Unless otherwise expressly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication between two elements. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0038] It should be noted that in this application, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0039] The specific embodiments of the present invention described above do not constitute a limitation on the scope of protection of the present invention. Any other corresponding changes and modifications made in accordance with the technical concept of the present invention should be included within the scope of protection of the claims of the present invention.

Claims

1. A cylindrical washing device for laterite nickel ore, characterized in that, include: Several washing cylinders, each of which forms a washing chamber inside, are connected in sequence, and the washing cylinders are all inclined at an angle to the horizontal plane, with the inclination angle of the washing cylinders increasing sequentially along the material conveying direction; The slurry inlet structure has a main conveying channel and several material conveying channels. The main conveying channel is connected to all of the material conveying channels, and the material conveying channels are respectively connected to several washing cylinders. The main conveying channel is equipped with a viscosity detection module for detecting the viscosity of the slurry. Based on the detected viscosity value, the slurry is controlled to be conveyed through the corresponding material conveying channel to the corresponding washing cylinder. The viscosity value of the slurry in the washing cylinder closer to the first stage is greater. A plurality of driving mechanisms, each of which is connected to a plurality of washing cylinders, for driving the washing cylinders to rotate; and, Water injection mechanism, which is installed in each of the washing cylinders, is used to provide water to the washing cylinders for washing mineral materials; Each of the material conveying channels is equipped with an opening and closing valve, which is electrically connected to the viscosity detection module. When the viscosity of the material reaches the set value for the viscosity of each washing cylinder, the viscosity detection module drives the corresponding opening and closing valve to open.

2. The cylindrical washing device for laterite nickel ore according to claim 1, characterized in that, The washing cylinders are spaced apart, and each space is provided with a guide pipe to guide the ore from one washing cylinder to the other washing cylinder.

3. The cylindrical washing device for laterite nickel ore according to claim 1, characterized in that, The number of drive mechanisms is the same as the number of washing cylinders. Each drive mechanism includes an external gear ring, a gear, a transmission component, and a drive motor. The external gear ring is fitted into the middle of the outer side of the washing cylinder, and the outer side of the external gear ring has a tooth groove. The gear is located on one side of the external gear ring and meshes with the tooth groove of the external gear ring for rotational connection. The drive motor is connected to the central shaft of the gear through the transmission component, so as to drive the gear to rotate through the transmission component, thereby driving the external gear ring and the washing cylinder to rotate.

4. The cylindrical washing device for laterite nickel ore according to claim 1, characterized in that, Each of the washing cylinders is provided with a support structure at both ends. The support structure includes a support ring and two support wheels. The support rings are respectively fitted on the outer sides of both ends of the washing cylinder. The two support wheels are respectively provided on both sides of the bottom of the washing cylinder, and the support wheels are supported below the support rings and are rotatably connected to the support rings.

5. The cylindrical washing device for laterite nickel ore according to claim 1, characterized in that, The washing cylinder is provided with a first agitation component and a second agitation component in sequence along the material conveying direction. The first agitation component and the second agitation component respectively include a first stirring plate and a second stirring plate arranged around the circumference of the washing cylinder. One end of the first stirring plate and the second stirring plate are fixedly connected to the washing cylinder, and the other end extends toward the center of the washing cylinder and can rotate with it when the washing cylinder is in operation.

6. The cylindrical washing device for laterite nickel ore according to claim 5, characterized in that, Each of the first stirring plates is arranged in a spiral pattern. There are two sets of the second stirring components. The second stirring plates of the two sets of second stirring components are staggered, and the installation position of the second stirring plates is consistent with the length direction of the washing cylinder.

7. The cylindrical washing device for laterite nickel ore according to claim 1, characterized in that, The cylindrical washing device for laterite nickel ore also includes several filtration and cleaning structures, which are respectively arranged in the washing cylinder after the first stage. Each filtration and cleaning structure includes a filter cylinder, which is concentrically arranged in the washing cylinder and fixedly connected to the washing cylinder by a support rod. The filter cylinder can rotate with the washing cylinder, and the diameter of the filter cylinder increases sequentially along the material conveying direction and is connected in sequence.

8. The cylindrical washing apparatus for laterite nickel ore according to claim 7, characterized in that, The water injection mechanism includes a first cleaning component and a second cleaning component. The first cleaning component is disposed inside the first-stage washing cylinder to deliver water to the first-stage washing cylinder. The second cleaning component is disposed inside the washing cylinders after the first stage and is located inside several filter cylinders to deliver water to the several filter cylinders.

9. The cylindrical washing apparatus for laterite nickel ore according to claim 8, characterized in that, The water injection mechanism also includes a discharge flushing component. The first cleaning component, the second cleaning component, and the discharge flushing component each include several nozzles and water pipes. The water pipes are connected to a water source. Several nozzles are evenly arranged along the length of the water pipes and connected to the water pipes. The discharge flushing component is located at the discharge end of the last stage of the washing cylinder, with one end extending into the interior of the washing cylinder to further clean the material.

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