A bauxite identification method and device

Abstract

The present application relates to bauxite sorting technical field, specifically disclose a kind of bauxite identification method and device, the bauxite identification method includes with reagent bauxite surface wetting;The surface of bauxite after wetting is sprayed with the developer matched with reagent;The bauxite of spraying developer is photographed by color camera, and the photo of bauxite is obtained;The color presented after developer meets reagent is defined as target color, the color presented by photo is defined as actual color, the actual color and target color are compared, the bauxite with actual color identical with target color is marked as tailings, and the bauxite with actual color different from target color is marked as concentrate. Through the characteristics that bauxite concentrate is strong in water absorption and tailings is poor in water absorption, the identification of concentrate and tailings is realized, and the method is generally applicable to all bauxite, which is conducive to improving the separation accuracy of bauxite pre-throwing waste stage.

Description

Technical Field

[0001] The present invention relates to the technical field of bauxite sorting, and in particular to a bauxite identification method and device. Background Art

[0002] Bauxite, also known as bauxite, is a general term for ores primarily composed of gibbsite, boehmite, or diaspore. Bauxite is widely used in my country's industrial sector, and annual demand for bauxite is enormous. Bauxite often coexists with iron oxides and hydroxides, anatase, and clay minerals such as kaolinite and chlorite. It sometimes also contains minerals such as calcium, magnesium, and sulfur. Bauxite can be classified into three categories based on the impurities it contains: high-alkaline bauxite, high-titanium bauxite, and high-iron bauxite.

[0003] The process of separating bauxite concentrate from bauxite ore involves removing gangue minerals and harmful impurities, separating high-aluminum minerals from low-aluminum minerals, and obtaining a concentrate with a high aluminum-silicon ratio. Currently, the main beneficiation process for bauxite utilizes different beneficiation processes depending on the type of ore. For example, the beneficiation process for gibbsite-kaolinite bauxite often involves initial mud and sand separation, followed by coarse grinding followed by magnetic separation for iron removal, and then mud grinding followed by flotation. However, this separation method is economically inefficient, so pre-selection and waste disposal are often used to significantly reduce the grinding input, effectively lowering subsequent beneficiation and bauxite smelting costs. This facilitates the development and utilization of low-aluminum-silicon bauxite ores and maximizes resource utilization.

[0004] Traditional bauxite separation methods generally include:

[0005] (1) An optoelectronic separator using an X-ray source performs a transmission scan of the selected ore using X-rays to obtain the atomic number data of the minerals contained in the ore, establish an identification model, identify the ore and the debris, and then drive the actuator to sort the ore. However, for bauxite, the sorting goal is to increase the aluminum-silicon ratio. Since the atomic numbers of aluminum and silicon are similar, the K values ​​obtained after X-ray transmission scanning are very close, making it difficult to distinguish between the two elements. Therefore, it is impossible to sort bauxite using an optoelectronic separator using X-ray scanning.

[0006] (2) Photoelectric sorting machines using image technology use color or other identifiable features on the image and use deep learning and other technical means to sort the types of ore. However, the working principle of image recognition technology is to detect salient areas, that is, the part that contains the most information about the image or object. It achieves this by isolating the part or feature with the most information in the selected image and locating it, while ignoring other features that may be less interesting. This process uses an image recognition algorithm, also known as an image classifier, which takes the image as input and outputs the content contained in the image. Since the key to image recognition is to have unified information differences between different sorting targets, some bauxite concentrates and tailings do have such characteristics and can be sorted by image recognition technology. However, there is still a large part of bauxite ore that is complex and has diverse incoming materials. There is no obvious difference between concentrates and tailings. This also leads to extremely high image recognition training costs and low accuracy, and it is not suitable for sorting such targets. Summary of the Invention

[0007] According to one aspect of the present invention, the present invention provides a bauxite identification method, which is applicable to all bauxite and can effectively improve the sorting accuracy of bauxite.

[0008] To achieve the above object, the present invention adopts the following technical solutions:

[0009] A bauxite identification method comprises the following steps:

[0010] Wetting the surface of the bauxite with a reagent;

[0011] spraying a developer matching the reagent on the surface of the wetted bauxite;

[0012] photographing the bauxite sprayed with the developer using a color camera to obtain a photograph of the bauxite;

[0013] The color presented after the developer meets the reagent is defined as the target color, the color presented in the photo is defined as the actual color, the target color and the actual color are compared, the bauxite whose actual color is the same as the target color is marked as tailings, and the bauxite whose actual color is different from the target color is marked as concentrate.

[0014] Optionally, the steps of comparing the target color and the actual color are:

[0015] Obtain the red pixel value R1, the green pixel value G1 and the blue pixel value B1 of the target color;

[0016] Obtain the red pixel value R2, the green pixel value G2, and the blue pixel value B2 of the actual color;

[0017] Obtain the weight Cw (Cw1, Cw2, Cw3) of the target color. The specific steps are:

[0018] Cw1=(R1 / 127)-1;

[0019] Cw2=(G1 / 127)-1;

[0020] Cw3=(B1 / 127)-1;

[0021] Obtain the difference between the actual color and the target color, and calculate the ratio Cd(Cd1, Cd2, Cd3) of the difference to 127. The specific steps are as follows:

[0022] Cd1=(R2-R1) / 127;

[0023] Cd2=(G2-G1) / 127;

[0024] Cd3=(B2-B1) / 127;

[0025] To obtain the target value Cr, the specific steps are:

[0026] Cr=Cw 1* Cd1+Cw 2* Cd2+Cw 3* Cd3;

[0027] The target value Cr is compared with a preset value. If the target value Cr is within the range of the preset value, it is marked as tailings. If the target value Cr is not within the range of the preset value, it is marked as concentrate.

[0028] Optionally, when the time for the surface of the bauxite to absorb the agent reaches a first preset time, the developer is sprayed on the surface of the bauxite.

[0029] Optionally, the first preset time is 1s-60s.

[0030] Optionally, when the time for the surface of the bauxite to absorb the developer reaches a second preset time, the surface of the bauxite is photographed.

[0031] Optionally, the agent is an alkaline solution and the color developer is a phenolphthalein solution.

[0032] Optionally,

[0033] According to another aspect of the present invention, the present invention also provides a bauxite identification device, which adopts the above-mentioned bauxite identification method to complete the identification of bauxite.

[0034] To achieve the above object, the present invention adopts the following technical solutions:

[0035] A bauxite identification device adopts the above-mentioned bauxite identification method, comprising:

[0036] a first spraying device capable of evenly covering the surface of the bauxite with a first preset amount of reagent;

[0037] a second spraying device capable of evenly covering the surface of the bauxite with a second preset amount of developer;

[0038] a color camera, for taking a picture of the bauxite sprayed with the developer to obtain a picture of the bauxite;

[0039] The identification device can obtain the actual color of the photo and compare the actual color with the target color, mark the bauxite with the same actual color as the target color as tailings, and mark the bauxite with different actual color from the target color as concentrate.

[0040] Optionally, a first conveying device is further included, and the first spraying device is arranged above and / or below the first conveying device to spray the bauxite in the first conveying device.

[0041] Optionally, a second conveying device is further included, and the second conveying device is used to convey the bauxite output by the first conveying device to a second spraying device.

[0042] Optionally, a sorting device is further included, which is arranged at the tail end of the second conveying device and is used to sort the concentrate to a first preset position and sort the tailings to a second preset position.

[0043] The beneficial effects of the present invention are:

[0044] The present invention provides a bauxite identification method. Based on the characteristics that bauxite concentrate has a large number of fine capillaries on its surface and is highly absorbent, while bauxite tailings have a dense surface with few capillaries and almost no water absorption, the bauxite surface is sprayed with a reagent that enhances capillary absorption. A color developer that matches the reagent is then used to identify the reagent content on the bauxite surface, thereby separating the bauxite concentrate and tailings. Compared with traditional bauxite identification methods, the bauxite identification method proposed in this application is applicable to the identification of all bauxite concentrates and tailings. It is simple and has a wider range of applicability. Furthermore, it can significantly improve the sorting accuracy of bauxite in the pre-disposal stage of bauxite, effectively increasing the aluminum-silicon ratio of bauxite entering subsequent processes. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] Figure 1 A flow chart of a bauxite identification method provided in an embodiment of the present invention;

[0046] Figure 2A structure schematic diagram of the bauxite identification device provided by the embodiment of the present application is provided.

[0047] In the drawings:

[0048] 100, first spraying device; 200, bauxite; 300, second spraying device; 400, color camera; 500, first conveying device; 600, second conveying device; 700, sorting device; 710, first preset position; 720, second preset position; 800, feeding device. DETAILED DESCRIPTION

[0049] The technical solutions of the present application will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0050] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. Among them, the terms "first position" and "second position" are two different positions, and moreover, the "above", "over" and "on" of the first feature to the second feature include the "directly above" and "obliquely above" of the first feature to the second feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The "below", "under" and "under" of the first feature to the second feature include the "directly below" and "obliquely below" of the first feature to the second feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0051] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0052] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0053] The present invention provides a bauxite identification method, which is applicable to all bauxites and can improve the sorting accuracy of bauxite.

[0054] Specifically, if Figure 1 As shown, the above bauxite identification method includes the following steps:

[0055] S1. Use the reagent to moisten the surface of the bauxite.

[0056] Preferably, in order to ensure that the surface of the bauxite is completely wetted by the agent and to enhance the capillary absorption phenomenon on the surface of the bauxite, when wetting the bauxite with the agent, the bauxite can be vibrated to make it roll, thereby ensuring that the surface of the bauxite can be sprayed with the agent, avoiding affecting the recognition effect due to a certain part of the bauxite surface not being wetted by the agent, which is conducive to ensuring the accuracy of bauxite identification.

[0057] Furthermore, the selected agent should be able to enhance the capillary absorption phenomenon of bauxite.

[0058] S2. Spray a color developer that matches the reagent on the surface of the moistened bauxite.

[0059] Because bauxite concentrate has a large number of tiny capillaries on its surface, it is highly absorbent. However, the surface of tailings is dense, with fewer capillaries, and absorbs almost no water. Therefore, bauxite concentrate is able to absorb the reagent. After spraying the developer on the bauxite concentrate, the concentrate surface essentially takes on the color of the developer, as it lacks the reagent. However, bauxite tailings, because they do not absorb water, remain covered with a layer of the reagent. After spraying the developer on the bauxite tailings, the attached reagent reacts with the developer, causing the tailings surface to change color, resulting in the color of the developer and the developer interacting.

[0060] Furthermore, since it takes a certain amount of time for bauxite to absorb the reagent, before spraying the color developer on the surface of the bauxite, it should be ensured that the bauxite absorbs the reagent for a first preset time. The first preset time is the time for the concentrate to completely absorb the reagent, so as to avoid affecting the identification accuracy of the bauxite due to the short reagent absorption time.

[0061] Optionally, the first preset time can be set according to the type of bauxite and the water absorption of the bauxite concentrate, and can be 1s to 60s. For example, it can be 1s, 10s, 20s, 30s, 40s, 50s or 60s, etc., and can be set according to the specific situation.

[0062] S3, taking a photo of the bauxite sprayed with the color developing agent by a color camera to obtain the photo of the bauxite.

[0063] Since the color information of the surface of the bauxite needs to be obtained, the color camera is used to take the photo. The line frequency of the color camera can be 3000 or other frequencies, which can be selected according to actual needs.

[0064] Preferably, in order to ensure that the color developing agent and the reagent complete the color developing reaction before the photo is taken, the surface of the bauxite can be photographed when the time for the bauxite surface to absorb the color developing agent reaches the second preset time. The second preset time is the time for the reagent and the color developing agent to complete the color developing reaction, so as to avoid affecting the color developing effect due to insufficient reaction time of the reagent and the color developing agent.

[0065] Optionally, the second preset time can be set according to the reaction time of the reagent and the color developing agent, and can be 1s-60s. For example, it can be 1s, 10s, 20s, 30s, 40s, 50s or 60s, which can be set according to specific conditions.

[0066] S4, defining the color presented after the color developing agent meets the reagent as a target color, and defining the color presented by the photo as an actual color. Comparing the target color and the actual color, the bauxite with the same actual color and target color is marked as tailings, and the bauxite with different actual color and target color is marked as concentrate.

[0067] Preferably, the specific steps of comparing the target color and the actual color are as follows:

[0068] S41, obtaining the red pixel value R1, the green pixel value G1 and the blue pixel value B1 of the target color;

[0069] S42, obtaining the red pixel value R2, the green pixel value G2 and the blue pixel value B2 of the actual color;

[0070] S43, obtaining the weight Cw (Cw1, Cw2, Cw3) of the target color, and the specific steps are as follows:

[0071] Cw1=(R1 / 127)-1;

[0072] Cw2=(G1 / 127)-1;

[0073] Cw3=(B1 / 127)-1;

[0074] S44, obtaining the difference value of the actual color and the target color, and calculating the ratio Cd (Cd1, Cd2, Cd3) of the difference value and 127, and the specific steps are as follows:

[0075] Cd1=(R2-R1) / 127;

[0076] Cd2=(G2-G1) / 127;

[0077] Cd3=(B2-B1) / 127;

[0078] S45, obtaining the target value Cr, the specific steps are:

[0079] Cr=Cw1*Cd1+Cw2*Cd2+Cw3*Cd3;

[0080] S46. Compare the target value Cr with the preset value. If the target value Cr is within the range of the preset value, mark it as tailings. If the target value Cr is not within the range of the preset value, mark it as concentrate.

[0081] Furthermore, the preset value is set as needed. In this embodiment, the preset value is greater than 0 and less than 0.5.

[0082] To facilitate understanding, the above method is specifically introduced through examples:

[0083] Target color C: (214, 24, 112);

[0084] Actual color 1, C1: (0, 0, 255);

[0085] Actual color 2, C2: (220, 20, 100);

[0086] Actual color 3, C3: (120, 50, 0);

[0087] Target color weight Cw = C / 127 - 1 = (0.7, 0.8, 0.1);

[0088] C1d=(C1-C) / 127=(1.7, 0.2, 1.1);

[0089] C2d=(C2-C) / 127=(0,0,0.1);

[0090] C3d=(C3-C) / 127=(0.7, 0.2, 0.9);

[0091] C1r=Cw 1* C1d1+Cw 2* C1d2+Cw 3* C1d3=1.2+0.2+0.1=1.5;

[0092] C2r=Cw 1* C2d1+Cw 2* C2d2+Cw 3* C2d3=0+0+0=0;

[0093] C3r=Cw 1* C3d1+Cw 2* C3d2+Cw 3* C3d3=0.5+0.2+0.1=0.8;

[0094] Then C1r, C2r and C3r are compared with the preset values ​​respectively. After comparison, it is found that only C2r is within the preset value range. Therefore, the bauxite with the surface color of actual color 2 is tailings, and the bauxite with the surface color of actual color 1 and the bauxite with the surface color of actual color 3 are concentrates.

[0095] Alternatively, in one embodiment, the reagent is an alkaline solution, and the developer is a phenolphthalein solution. When the solution and the phenolphthalein solution meet, the color is purple-red. The RGB value of purple-red is near (214, 24, 112). The significant feature of purple-red is that the R1 value is the largest and greater than 120, and the G1 value is the smallest and less than 50. Therefore, when analyzing the photo of bauxite, it is possible to first determine whether the R2 value and G2 value of the actual color meet the requirement that R2 is greater than 120 and G2 is less than 20. If not, the bauxite is directly marked as concentrate. If so, the ratio of R2 to G2 can be calculated. The higher the ratio, the more purple-red the surface pixel color, that is, the closer to the target color. When the ratio is greater than the target value, it can be marked as tailings, and when the ratio is less than the target value, it is marked as concentrate. The target value can be set according to the actual situation, such as 5-8, and illustratively, it can be 5, 6, 7 or 8.

[0096] The present invention also provides a bauxite identification device, which adopts the above-mentioned bauxite identification method to identify bauxite 200 concentrate and bauxite 200 tailings with high identification accuracy.

[0097] Specifically, if Figure 2 As shown, the bauxite identification device includes a first spray device 100, a second spray device 300, a color camera 400, and an identification device. The first spray device 100 is used to evenly cover the surface of the bauxite 200 with a first predetermined amount of reagent. The second spray device 300 is used to evenly cover the surface of the bauxite 200 after absorbing the reagent with a second predetermined amount of developer. The color camera 400 photographs the surface of the bauxite 200 to obtain color information of the surface of the bauxite 200. The identification device is electrically connected to the color camera 400, compares the actual color in the photograph with the target color, and identifies bauxite 200 concentrate and bauxite 200 tailings based on the comparison results.

[0098] The above-mentioned device can realize the identification of bauxite 200 concentrate and bauxite 200 tailings. Since bauxite 200 generally has the characteristics of strong water absorption of concentrate and almost no water absorption of tailings, compared with traditional bauxite identification devices, the above-mentioned bauxite identification device has a wider range of application and is conducive to improving the identification accuracy and sorting accuracy of bauxite 200.

[0099] Furthermore, the bauxite identification device may include a first conveying device 500 capable of conveying the bauxite 200, thereby enabling automatic identification of the bauxite 200. In one embodiment, a first spraying device 100 may be disposed above the first conveying device 500 to spray a reagent onto the surface of the bauxite 200. In another embodiment, the first spraying device 100 may be disposed below the first conveying device 500. In other embodiments, the first spraying device 100 may be disposed both above and below the first conveying device 500, depending on actual needs.

[0100] Preferably, the first conveying device 500 may further include a vibration device, and the bauxite 200 is placed in the vibration device, tumbled under the vibration of the vibration device, and the first spraying device 100 is used to spray the bauxite 200 in the vibration device, which is conducive to ensuring that the surface of the bauxite 200 is completely covered with the agent, thereby avoiding affecting the detection result due to a part of the surface of the bauxite 200 not being covered by the agent, thereby ensuring the recognition accuracy.

[0101] Preferably, the bauxite identification device may further include a second conveying device 600. The starting end of the second conveying device 600 is connected to the trailing end of the first conveying device 500, and is capable of conveying the bauxite 200 on the first conveying device 500 to the second spraying device 300. In one embodiment, the second conveying device 600 may be a slide. In other embodiments, the second conveying device 600 may also be a conveyor belt, and the configuration may be adapted as needed.

[0102] The distance between the first spray device 100 and the second spray device 300 is defined as a preset distance, which is the distance that the bauxite 200 is transferred from the first spray device 100 to the second spray device 300 after the third preset time, so as to ensure that the bauxite 200 has sufficient time to absorb the reagent, thereby avoiding the situation where the bauxite 200 does not have enough time to absorb the reagent, resulting in too much reagent on the surface of the concentrate and affecting the identification effect.

[0103] Preferably, the bauxite identification device may further include a sorting device 700 for pre-discarding the bauxite 200. The sorting device 700 can sort the concentrate to a first preset location 710 and the tailings to a second preset location 720, thereby separating the concentrate and tailings. In one embodiment, the sorting device 700 may be a nozzle. In other embodiments, the packaging device may be a robotic arm, depending on actual needs.

[0104] Further, see Figure 2 The bauxite identification device may further include a feeding device 800, which is provided with a feeding port, and the opening and closing of the feeding port can be controlled by a hydraulic gate, thereby realizing control of the feeding amount.

[0105] By using the above-mentioned bauxite identification device, it is possible to identify the concentrate and tailings of the bauxite 200 and separate the concentrate and tailings, which is beneficial for discarding the tailings and transporting the concentrate to the next process. The above-mentioned bauxite identification device is applicable to the identification of all bauxite 200, which is beneficial for improving the sorting accuracy of the bauxite 200, thereby increasing the aluminum-silicon ratio entering the next process.

[0106] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Those skilled in the art will appreciate that other variations or modifications can be made based on the above description. It is not necessary and impossible to enumerate all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the claims of the present invention.

Claims

1. A bauxite identification method, characterized in that: The following steps are involved: Wetting the surface of the bauxite with a reagent capable of enhancing the capillary absorption phenomenon of the bauxite, wherein the reagent is an alkaline solution; spraying a developer matching the reagent on the surface of the wetted bauxite; photographing the bauxite sprayed with the developer using a color camera to obtain a photograph of the bauxite; The color presented after the developer meets the reagent is defined as the target color, the color presented in the photo is defined as the actual color, the target color and the actual color are compared, the bauxite whose actual color is the same as the target color is marked as tailings, and the bauxite whose actual color is different from the target color is marked as concentrate.

2. The bauxite identification method according to claim 1, characterized in that: The steps to compare the target color and the actual color are: Obtain the red pixel value R1, the green pixel value G1 and the blue pixel value B1 of the target color; Obtain the red pixel value R2, the green pixel value G2, and the blue pixel value B2 of the actual color; Obtain the weight Cw (Cw1, Cw2, Cw3) of the target color. The specific steps are: Cw1=(R1 / 127)-1; Cw2=(G1 / 127)-1; Cw3=(B1 / 127)-1; Obtain the difference between the actual color and the target color, and calculate the ratio Cd(Cd1, Cd2, Cd3) of the difference to 127. The specific steps are as follows: Cd1=(R2-R1) / 127; Cd2=(G2-G1) / 127; Cd3=(B2-B1) / 127; To obtain the target value Cr, the specific steps are: Cr=Cw 1* Cd1+Cw 2* Cd2+Cw 3* Cd3; The target value Cr is compared with a preset value. If the target value Cr is within the range of the preset value, it is marked as tailings. If the target value Cr is not within the range of the preset value, it is marked as concentrate.

3. The bauxite identification method according to claim 1, characterized in that: When the time for the surface of the bauxite to absorb the reagent reaches a first preset time, the developer is sprayed on the surface of the bauxite.

4. The bauxite identification method according to claim 3, characterized in that: The first preset time is 1s-60s.

5. The bauxite identification method according to claim 3, characterized in that: When the time for the surface of the bauxite to absorb the developer reaches a second preset time, the surface of the bauxite is photographed.

6. The bauxite identification method according to any one of claims 1 to 5, characterized in that: The reagent is an alkaline solution, and the color developer is a phenolphthalein solution.

7. A bauxite identification device, using the bauxite identification method according to any one of claims 1 to 6, characterized in that: include: a first spraying device capable of evenly covering the surface of the bauxite with a first preset amount of a reagent, wherein the reagent is an alkaline solution; a second spraying device capable of evenly covering the surface of the bauxite with a second preset amount of developer; a color camera, for taking a picture of the bauxite sprayed with the developer to obtain a picture of the bauxite; The identification device can obtain the actual color of the photo and compare the actual color with the target color, mark the bauxite with the same actual color as the target color as tailings, and mark the bauxite with different actual color from the target color as concentrate.

8. The bauxite identification device according to claim 7, characterized in that: It also includes a first conveying device, and the first spraying device is arranged above and / or below the first conveying device to spray the bauxite in the first conveying device.

9. The bauxite identification device according to claim 8, characterized in that: It also includes a second conveying device, which is used to convey the bauxite output by the first conveying device to a second spraying device.

10. The bauxite identification device according to claim 9, characterized in that: It also includes a sorting device, which is arranged at the tail end of the second conveying device and is used to sort the concentrate to a first preset position and sort the tailings to a second preset position.

Images