Beneficiation equipment for fluorite and scheelite associated ore

Abstract

The utility model discloses preparation equipment for fluorite and scheelite associated ore. The preparation equipment comprises a first crushing barrel, a separation barrel, a second crushing barrel, a third crushing barrel, a flotation barrel and an acid leaching barrel which are arranged from top to bottom, the first crushing barrel is used for crushing ores to a first preset particle size; the sorting barrel comprises a sorting device, a first sorting discharge port, a second sorting discharge port and a third sorting discharge port, and the sorting device sorts scheelite coarse ore and fluorite coarse ore from the coarse ore through X rays; the scheelite coarse ore and the fluorite coarse ore sequentially fall into the first separation discharging opening and the second separation discharging opening; the second crushing barrel is used for crushing the scheelite coarse ore to a second preset particle size; the third crushing barrel is used for crushing the fluorite coarse ore to a third preset particle size; the flotation barrel is connected with the second crushing barrel and used for flotation of scheelite concentrate and scheelite tailings; the acid leaching barrel is connected with the flotation barrel and the third crushing barrel and used for conducting acid leaching on the scheelite tailings and the fluorite coarse ore to form fluorite concentrate. The fluorite and scheelite associated ore separator can realize separation of fluorite and scheelite associated ore.

Description

Technical Field

[0001] The present application relates to the technical field of mineral separation, and in particular to a mineral separation device for fluorite and scheelite associated ores. Background Art

[0002] Fluorite ore is often high in mud and contains impurity minerals that coexist with it, making separation difficult. Fluorite ore is often associated with scheelite. Since both fluorite and scheelite are valuable minerals, the associated ores of fluorite and scheelite must be separated separately.

[0003] However, under normal circumstances, for the associated ores of fluorite and scheelite, two different beneficiation equipment are needed to separate the scheelite and fluorite ores respectively. During the sorting process, there will be a certain amount of loss of scheelite and fluorite, so the recovery rate is low; and in order to improve the recovery rate, it is often necessary to add more sorting steps, and the sorting process is relatively complicated, which not only leads to reduced sorting efficiency but also high costs; moreover, using the existing beneficiation process to beneficiate fluorite and scheelite associated ores, the obtained concentrates contain more impurities, making it difficult to obtain high-grade fluorite and scheelite concentrates. Utility Model Content

[0004] In view of the above analysis, the embodiments of the present invention aim to provide a mineral processing equipment for fluorite and scheelite associated ores, so as to solve one or more of the above problems existing in the prior art.

[0005] The purpose of this utility model is achieved in this way:

[0006] A beneficiation equipment for fluorite and scheelite associated ore, comprising a first crushing barrel, a sorting barrel, a second crushing barrel, a third crushing barrel, a flotation barrel and an acid leaching barrel arranged from top to bottom; wherein the first crushing barrel is used to crush the ore to a first preset particle size to obtain coarse ore; the sorting barrel comprises a sorting device, a first sorting discharge port, a second sorting discharge port and a third sorting discharge port, the sorting device uses X-rays to sort the coarse ore into coarse scheelite ore and coarse fluorite ore; the coarse scheelite ore and the coarse fluorite ore fall into the first sorting discharge port and the second sorting discharge port in sequence; the second crushing barrel is connected to the first sorting discharge port and is used to crush the coarse scheelite ore to a second preset particle size; the third crushing barrel is connected to the second sorting discharge port and is used to crush the coarse fluorite ore to a third preset particle size; the flotation barrel is connected to the second crushing barrel and is used to float out scheelite concentrate and scheelite tailings; the acid leaching barrel is connected to the flotation channel and the third crushing barrel and is used to acid-leach the scheelite tailings and the coarse fluorite ore to form fluorite concentrate.

[0007] Furthermore, it also includes an outer shell, in which the first crushing barrel, the sorting barrel, the second crushing barrel, the third crushing barrel, the flotation barrel and the acid leaching barrel are arranged from top to bottom.

[0008] Furthermore, the first crushing barrel is provided with a first feed port at the top and a first discharge port at the bottom, and a first crushing device is provided inside the first crushing barrel; the first discharge port is provided with a bottom plate inclined relative to both the vertical and horizontal directions, and the bottom plate is provided with multiple first openings smaller than the first preset particle size.

[0009] Furthermore, the second crushing barrel is provided with a second feed port, a second crushing device and a second discharge port, and the second feed port is connected to the first sorting discharge port; the second discharge port is provided with a bottom plate inclined relative to both the vertical and horizontal directions, and the bottom plate is provided with multiple second openings smaller than the second preset particle size.

[0010] Furthermore, the third crushing barrel includes a third feed port, a third crushing device and a third discharge port, and the third feed port is connected to the first sorting discharge port; the third discharge port is provided with a bottom plate inclined relative to both the vertical and horizontal directions, and the bottom plate is provided with multiple third openings smaller than the third preset particle size.

[0011] Furthermore, the diameter of the first discharge port is 1-1.5 times the first preset particle size; the diameter of the second discharge port is 1-1.5 times the second preset particle size; and the diameter of the third discharge port is 1-1.5 times the third preset particle size.

[0012] Furthermore, the sorting device comprises:

[0013] An X-ray emitting assembly, used for emitting X-rays to the coarse ore;

[0014] an imaging assembly for acquiring images of X-rays reflected from the coarse ore;

[0015] an analysis component for analyzing images to obtain the contents of scheelite and fluorite in the rough ore;

[0016] A guide assembly is used to change the falling direction of the coarse ore according to the content of scheelite and fluorite.

[0017] Furthermore, the sorting bucket further includes a conveying assembly configured to convey the coarse ore in a horizontal direction.

[0018] Furthermore, the guide assembly is rotatably arranged at the end of the conveying assembly; the first sorting discharge port, the second sorting discharge port and the third sorting discharge port are vertically and side by side in the horizontal direction below the guide assembly.

[0019] Furthermore, a recovery pipeline is provided below the bottom plate of the first discharge port, and the recovery pipeline is connected to the second feed port.

[0020] Compared with the prior art, the fluorite and scheelite associated ore beneficiation equipment provided by this application has at least one of the following beneficial effects:

[0021] 1. The integrated equipment adopts a multi-section barrel structure from top to bottom. In the process of mineral separation, it can use the gravity of the ore itself to improve the separation efficiency and save the separation cost.

[0022] 2. Combined with X-ray imaging detection, it can realize the separation of fluorite and scheelite in fluorite and scheelite associated ores at one time, which simplifies the separation process, improves the separation efficiency, and obtains a high-grade concentrate.

[0023] 3. First, the ore is crushed into coarse ore by the first crushing barrel, and the coarse ore is sorted into coarse scheelite ore and coarse fluorite ore by the combination of the sorting barrel. The coarse scheelite ore is crushed into fine scheelite ore by the second crushing barrel, and the coarse fluorite ore is crushed into fine fluorite ore by the third crushing barrel. The fine scheelite ore is sorted into scheelite concentrate and scheelite tailings by the flotation barrel, and the scheelite tailings and fluorite fine ore are formed into fluorite concentrate by the acid leaching barrel.

[0024] In this application, the above-mentioned technical solutions can be combined with each other to achieve more preferred combination solutions. Other features and advantages of this application will be described in the subsequent description, and some advantages will become apparent from the description or be understood by practicing this application. The objectives and other advantages of this application can be achieved and obtained through the contents particularly pointed out in the description and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The accompanying drawings are only for the purpose of illustrating particular embodiments and are not to be considered as limiting the present application. Like reference symbols denote like components throughout the drawings.

[0026] Figure 1 A schematic structural diagram of a ore dressing device for fluorite and scheelite associated ores according to an embodiment of the present application;

[0027] Figure 2 This is a structural schematic diagram of the first crushing barrel of the ore dressing equipment for fluorite and scheelite associated ores in an embodiment of the present application.

[0028] Figure 3 This is a structural schematic diagram of the second crushing barrel and the third crushing barrel of the ore dressing equipment for fluorite and scheelite associated ores in an embodiment of the present application.

[0029] Figure 4 This is a schematic diagram of the internal structure of the second crushing barrel and the third crushing barrel of the ore dressing equipment for fluorite and scheelite associated ores in an embodiment of the present application.

[0030] Reference numerals:

[0031] 1. First crushing barrel; 11. First discharge port;

[0032] 2. Sorting barrel; 21. X-ray emission assembly; 22. Imaging assembly; 23. Guide assembly; 24. Conveyor assembly; 25. First sorting outlet; 26. Second sorting outlet;

[0033] 3. Second crushing barrel; 31. Second discharge port;

[0034] 4. The third crushing barrel; 41. The third discharge port;

[0035] 5. Flotation tank;

[0036] 6. Acid leaching barrel. DETAILED DESCRIPTION

[0037] The preferred embodiments of the present application are described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the present application and are used together with the embodiments of the present application to illustrate the principles of the present application, and are not used to limit the scope of the present application.

[0038] In the description of the embodiments of this application, it should be noted that, unless otherwise expressly specified or limited, the term "connected" should be understood in a broad sense. For example, it can mean a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection, an electrical connection, a direct connection, or an indirect connection through an intermediate medium. Those skilled in the art will understand the specific meanings of the above terms in this application based on specific circumstances.

[0039] The terms "top," "bottom," "above," "below," and "on" used throughout the description refer to relative positions of components of a device, such as the relative positions of top and bottom substrates within a device. It will be understood that devices are multifunctional regardless of their orientation in space.

[0040] Example 1

[0041] A specific embodiment of the present invention discloses a mineral processing equipment for fluorite and scheelite associated ore, such as Figures 1 to 4As shown, it includes a first crushing barrel 1, a sorting barrel 2, a second crushing barrel 3, a third crushing barrel 4, a flotation barrel 5 and an acid leaching barrel 6 arranged from top to bottom; wherein the first crushing barrel 1 is used to crush the ore to a first preset particle size to obtain coarse ore, and a first feeding port 11 is provided on the top of the first crushing barrel 1; the sorting barrel 2 is connected to the first crushing barrel 1, and the sorting barrel 2 includes a sorting device, a first sorting discharge port 25, a second sorting discharge port 26 and a third sorting discharge port. The sorting device uses X-rays to sort the coarse ore into coarse scheelite ore and coarse fluorite ore; the coarse scheelite ore and the coarse fluorite ore fall into the first sorting discharge port 25 and the second sorting discharge port 26 in sequence; the second crushing barrel 3 is connected to the first sorting discharge port 25, and is used to crush the coarse scheelite ore to a second preset particle size; the third crushing barrel 4 is connected to the second sorting discharge port 26, and is used to crush the coarse fluorite ore to a third preset particle size; the flotation barrel 5 is connected to the second crushing barrel 3, and is used to float out the scheelite concentrate and scheelite tailings; the acid leaching barrel 6 is connected to the flotation barrel and the third crushing barrel 4, and is used to acid-leach the scheelite tailings and the coarse fluorite ore to form a fluorite concentrate.

[0042] The embodiment of the present application adopts a multi-stage barrel structure from top to bottom. In the process of mineral processing, it can use the gravity of the ore itself to improve the sorting efficiency and save the cost of sorting. Specifically, the mineral processing equipment for fluorite and scheelite associated ore has a unified shell. The first crushing barrel 1, the sorting barrel 2, the second crushing barrel 3, the third crushing barrel 4, the flotation barrel 5, and the acid leaching barrel 6 are all set in the unified shell and arranged in sequence from top to bottom to provide a stable environment for the mineral processing process. For ease of understanding, in the embodiment of the present application, Figures 1 to 4 The shell is hidden in the middle.

[0043] The present embodiment uses an integrated device that uses X-ray imaging during sorting to separate fluorite and scheelite from associated fluorite ores in a single process, simplifying the sorting process, improving sorting efficiency, and reducing sorting costs. After flotation of the coarse scheelite ore, the fluorite-containing scheelite tailings are acid-leached together with the fluorite fines to obtain a fluorite concentrate, thereby fully recovering the fluorite from the ore and improving the fluorite recovery rate.

[0044] In this embodiment, the first crushing drum 1 is used to pre-process the ore, crushing it to a first predetermined particle size. This ensures that the resulting coarse ore is of substantially uniform overall size, facilitating subsequent X-ray sorting in the sorting drum 2. The first predetermined particle size can be determined based on the X-ray detection capability of the sorting drum 2, ensuring that the fluorite and scheelite content in the coarse ore can be determined after X-ray detection.

[0045] In this embodiment, the sorting barrel 2 uses X-ray detection to sort the coarse ore into coarse scheelite ore and coarse fluorite ore. The sorting device can display the X-ray detection process, irradiating the coarse ore with X-rays, obtaining X-ray images, and analyzing the attenuation effect in the X-ray images to determine the mineral composition and content within the coarse ore. In other words, the sorting device can sort the coarse ore into coarse scheelite ore and coarse fluorite ore based on the fluorite and scheelite content. Because the particle size of the coarse ore is essentially uniform, the error generated by individual coarse ore particles during the sorting process is essentially consistent, making the sorting results more scientific and reliable. After sorting, the coarse scheelite ore falls into the first sorting outlet 25, and the coarse fluorite ore falls into the second sorting outlet 26. Furthermore, because the sorting barrel 2 can simultaneously sort the coarse scheelite ore and coarse fluorite ore, multiple sorting processes are eliminated. Therefore, this embodiment of the present application can greatly simplify the sorting process and reduce sorting costs.

[0046] In this embodiment, the second crushing barrel 3 is used to further crush the coarse scheelite ore to obtain fine scheelite ore with a smaller particle size, so as to facilitate the subsequent scheelite flotation process.

[0047] In this embodiment, the third crushing barrel 4 is used to further crush the coarse fluorite ore to obtain fine fluorite ore with a smaller particle size, which facilitates the subsequent fluorite acid leaching process. It should be noted that the crushing of the coarse scheelite ore by the second crushing barrel 3 and the crushing of the coarse fluorite ore by the third crushing barrel 4 can be performed simultaneously in parallel to further improve the mineral processing efficiency of the embodiment of the present application.

[0048] In this embodiment, flotation tank 5 uses flotation to recover scheelite concentrate from fine scheelite ore. During the flotation process, the scheelite concentrate settles in the flotation reagent, while the scheelite tailings containing fluorite float on the surface of the flotation reagent. The scheelite tailings can be recovered together with the fluorite fine ore to recover fluorite concentrate, thereby improving the recovery rate of this embodiment.

[0049] In this embodiment, the acid leaching barrel 6 is generally used to recover fluorite concentrate in the form of acid leaching. The impurities in the scheelite tailings after flotation and the crushed fluorite fines are mainly carbonates. Therefore, the carbonate impurities can be removed by acid leaching, and the insoluble matter obtained is the fluorite concentrate.

[0050] Furthermore, the first crushing barrel 1 includes: a first feed port, a first crushing device, and a first discharge port 11. The first feed port is located at the top of the first crushing barrel 1, and the first discharge port 11 is located at the bottom of the first crushing barrel 1; the first discharge port 11 is provided with a bottom plate that is inclined relative to both the vertical and horizontal directions, and the bottom plate is provided with a plurality of first openings smaller than a first preset particle size. The diameter of the first discharge port 11 is 1-1.5 times the first preset particle size; the second crushing barrel 3 includes a second feed port, a second crushing device, and a second discharge port 31. The second feed port is connected to the first sorting discharge port 25. The second discharge port 31 is provided with a bottom plate inclined relative to both the vertical and horizontal directions, the bottom plate is provided with a plurality of second openings smaller than the second preset particle size, and the diameter of the second discharge port 31 is 1-1.5 times the second preset particle size; the third crushing barrel 4 includes a third feed port, a third crushing device and a third discharge port 41, and the third feed port is connected to the first sorting discharge port 25; the third discharge port 41 is provided with a bottom plate inclined relative to both the vertical and horizontal directions, the bottom plate is provided with a plurality of third openings smaller than the third preset particle size, and the diameter of the third discharge port 41 is 1-1.5 times the third preset particle size.

[0051] The first crushing barrel 1 has a cylindrical body with an inclined bottom plate. The bottom plate is provided with multiple first openings smaller than a first predetermined particle size. This allows smaller particles to fall directly from the first openings after crushing, forming a first tailing. The coarse ore of substantially uniform particle size obtained after crushing falls from the first discharge port 11, with the particle size of the obtained coarse ore being substantially 1-1.5 times the first predetermined particle size. Rotating crushing blades can be provided within the crushing barrel to crush the ore. Similarly, the second crushing barrel 3 has a cylindrical body with an inclined bottom plate. The bottom plate is provided with multiple second openings smaller than a second predetermined particle size. This allows smaller particles to fall directly from the second openings, forming a second tailing. The fine scheelite ore of substantially uniform particle size obtained after crushing falls from the second discharge port 31, with the particle size of the obtained fine scheelite being substantially 1-1.5 times the second predetermined particle size. Rotating crushing blades can be provided within the crushing barrel to crush the coarse scheelite ore. The third crushing barrel 4 has a cylindrical body with an inclined bottom plate. The bottom plate is provided with multiple third openings smaller than a third predetermined particle size. After crushing, the smaller particles fall directly through the third openings to form third tailings. Fluorite fines of substantially uniform particle size are obtained after crushing and fall through a third discharge port 41. The obtained fluorite fines have a particle size of approximately 1-1.5 times the third predetermined particle size. Rotating crushing blades may be provided within the crushing barrel to crush the coarse fluorite ore.

[0052] Furthermore, the sorting device includes: an X-ray emitting component 21, used to irradiate X-rays to the coarse ore; an imaging component 22, used to obtain an image of the coarse ore reflecting the X-rays; an analysis component, used to analyze the image to obtain the content of scheelite and the content of fluorite in the coarse ore; and a guide component 23, used to change the falling direction of the coarse ore according to the content of scheelite and the content of fluorite.

[0053] The sorting device performs sorting through X-ray detection. The X-ray emitting component 21 can emit X-rays toward the coarse ore, and the coarse ore will reflect the X-rays. The imaging component 22 photographs the coarse ore to obtain an X-ray image of the coarse ore. Different mineral components in the coarse ore correspond to different attenuation levels of the reflected X-rays. The analysis component judges the attenuation level of the X-rays based on the obtained X-ray image to determine the content of scheelite and fluorite in the coarse ore. According to the content of scheelite and fluorite in the coarse ore, the guide component 23 adjusts the falling direction of the coarse ore so that the coarse scheelite ore falls into the first sorting outlet 25 and the coarse fluorite ore falls into the second sorting outlet 26. When the scheelite content is greater than or equal to the first threshold value, the corresponding coarse ore is sorted as coarse scheelite ore; when the scheelite content is less than the first threshold value and the fluorite content is greater than or equal to the second threshold value, the corresponding coarse ore is sorted as coarse fluorite ore. Therefore, crude scheelite ore may contain fluorite, but crude fluorite ore basically does not contain scheelite. After the scheelite concentrate is recovered by flotation, the scheelite tailings may contain fluorite. Simultaneously acid leaching the scheelite tailings and fluorite fine ore can improve the recovery rate of fluorite and ensure the recovery rate of scheelite.

[0054] Furthermore, the sorting barrel 2 also includes: a conveying component 24, which conveys coarse ore in the horizontal direction; a guide component 23 rotatably arranged at the end of the conveying component 24; a first sorting discharge port 25, a second sorting discharge port 26 and a third sorting discharge port are vertically and parallelly arranged below the guide component 23 in the horizontal direction.

[0055] During X-ray inspection, the conveyor assembly 24 keeps the coarse ore stable, ensuring accurate sorting. The guide assembly 23 rotates to change the coarse ore's drop position, allowing the coarse scheelite ore to fall into the first sorting outlet 25 and the coarse fluorite ore to fall into the second sorting outlet 26, achieving the desired sorting results.

[0056] It should be noted that the sorting barrel 2 also includes a third sorting discharge port. When the scheelite content is less than the first threshold value and the fluorite content is less than the second threshold value, the coarse ore basically does not contain scheelite and / or fluorite, and the guide component 23 causes it to fall from the third sorting discharge port to form sorting tailings.

[0057] Furthermore, a recovery pipeline is provided below the bottom plate of the first discharge port 11 of the first crushing barrel 1 , and the recovery pipeline is connected to the second feed port of the second crushing barrel 3 .

[0058] The small particles of the first tailings that fall from the first opening of the bottom plate of the first crushing barrel 1 have not been sorted by the sorting barrel 2. Therefore, they may still contain a small amount of fluorite and / or scheelite. After the first tailings are introduced into the second crushing barrel 3 through the recovery pipeline, they are further crushed along with the crude scheelite, and then through flotation and / or acid leaching, the fluorite and / or scheelite in the first tailings can be recovered, thereby further improving the recovery rate of the embodiment of the present application.

[0059] The fluorite and scheelite associated ore beneficiation equipment of the aforementioned embodiment of the present application is used to beneficiate the fluorite and scheelite associated ore, including the following steps:

[0060] Step 1: Crushing the ore into a first preset particle size to form coarse ore.

[0061] The ore is crushed by the first crushing drum 1, and the resulting coarse ore has a substantially uniform particle size, which can be 1-1.5 times the first predetermined particle size. This substantially uniform particle size ensures more accurate and reliable X-ray sorting results in the subsequent sorting drum 2. The first crushing drum 1 also produces a first tailing with a smaller particle size than the coarse ore.

[0062] Step 2: Separate the coarse ore by X-ray to obtain coarse scheelite ore and coarse fluorite ore.

[0063] The coarse ore is sorted into coarse scheelite ore and coarse fluorite ore by sorting barrel 2. The coarse ore is irradiated with X-rays and an image is captured. The fluorite and scheelite contents in the coarse ore are determined based on the attenuation of the X-rays in the image. When the scheelite content is greater than or equal to a first threshold, the coarse ore is sorted into coarse scheelite ore. When the scheelite content is less than the first threshold and the fluorite content is greater than or equal to a second threshold, the coarse ore is sorted into coarse fluorite ore. When the scheelite content is less than the first threshold and the fluorite content is less than the second threshold, the coarse ore is sorted into sorting tailings.

[0064] Step 3: crushing the coarse scheelite ore to a second preset particle size to form fine scheelite ore, and crushing the coarse fluorite ore to a third preset particle size to form fine fluorite ore.

[0065] The coarse scheelite ore is crushed by the second crushing barrel 3. The particle size of the fine scheelite ore obtained after crushing is basically uniform, which can be 1-1.5 times the second preset particle size. The coarse fluorite ore is crushed by the third crushing barrel 4. The particle size of the fine fluorite ore obtained after crushing is basically uniform, which can be 1-1.5 times the third preset particle size. The crushing process of the coarse scheelite ore and the crushing process of the coarse fluorite ore can be synchronized and carried out in parallel. When the coarse scheelite ore is crushed, the first tailings that may contain scheelite and / or fluorite can be introduced to improve the recovery rate of scheelite and fluorite.

[0066] Step 4: flotation the fine scheelite ore to obtain scheelite concentrate and scheelite tailings.

[0067] The flotation tank 5 is used to flot the fine scheelite ore. After flotation, the sediment is scheelite concentrate and the floating material is scheelite tailings. The scheelite concentrate can be directly used for further scheelite utilization. The scheelite tailings may contain fluorite, which is recovered together with the fine fluorite ore.

[0068] Step 5: Acid-leach the scheelite tailings and fluorite fines together to obtain fluorite concentrate.

[0069] The acid leaching process is carried out in the acid leaching tank 6. After the scheelite tailings and fluorite fines are acid-leached together, the undissolved material becomes fluorite concentrate. The impurities in the scheelite tailings and fluorite fines are mainly carbonates. After acid leaching, the impurities dissolve, and the remaining undissolved material becomes fluorite concentrate. The fluorite concentrate can be directly used for further fluorite utilization.

[0070] Compared with the prior art, the fluorite and scheelite associated ore beneficiation equipment provided in the embodiment of the present application has the following beneficial effects:

[0071] 1. The ore is crushed into suitable sizes by the first crushing barrel, so that the scheelite content and fluorite content can be obtained more accurately in the subsequent X-ray sorting, making the sorting process of the sorting barrel more accurate and reliable.

[0072] 2. After the flotation of the coarse scheelite ore, the scheelite tailings containing fluorite are acid-leached together with the fluorite fine ore to obtain fluorite concentrate, thereby fully obtaining the fluorite in the ore and improving the fluorite recovery rate.

[0073] 3. The application adopts an integrated equipment to separate fluorite and scheelite from fluorite and scheelite associated ores at one time, which simplifies the separation process, improves the separation efficiency, and obtains a high-grade concentrate.

[0074] The above is only a preferred specific implementation method of the present application, but the scope of protection of the present application is not limited thereto. Any changes or replacements that can be easily thought of by any technician familiar with this technical field within the technical scope disclosed in this application should be covered by the scope of protection of the present application.

Claims

1. A mineral processing equipment for fluorite and scheelite associated minerals, characterized in that: It includes a first crushing barrel, a sorting barrel, a second crushing barrel, a third crushing barrel, a flotation barrel and an acid leaching barrel arranged from top to bottom; Among them, the first crushing barrel is used to crush the ore to a first preset particle size to obtain coarse ore; the sorting barrel includes a sorting device, a first sorting discharge port, a second sorting discharge port and a third sorting discharge port, and the sorting device uses X-rays to sort the coarse ore into scheelite coarse ore and fluorite coarse ore; the scheelite coarse ore and the fluorite coarse ore fall into the first sorting discharge port and the second sorting discharge port in turn; the second crushing barrel is connected to the first sorting discharge port, and is used to crush the scheelite coarse ore to a second preset particle size; the third crushing barrel is connected to the second sorting discharge port, and is used to crush the fluorite coarse ore to a third preset particle size; the flotation barrel is connected to the second crushing barrel, and is used to float out scheelite concentrate and scheelite tailings; the acid leaching barrel is connected to the flotation barrel and the third crushing barrel, and is used to acid-leach the scheelite tailings and fluorite coarse ore to form fluorite concentrate.

2. The ore dressing equipment for fluorite and scheelite associated ore according to claim 1, characterized in that: The invention also comprises an outer shell, wherein a first crushing barrel, a sorting barrel, a second crushing barrel, a third crushing barrel, a flotation barrel and an acid leaching barrel are arranged from top to bottom in the outer shell.

3. The ore dressing equipment for fluorite and scheelite associated ore according to claim 2, characterized in that: The first crushing barrel is provided with a first feed port at the top and a first discharge port at the bottom, and a first crushing device is provided inside the first crushing barrel; the first discharge port is provided with a bottom plate inclined relative to both the vertical and horizontal directions, and the bottom plate is provided with a plurality of first openings smaller than the first preset particle size.

4. The ore dressing equipment for fluorite and scheelite associated ore according to claim 3, characterized in that: The second crushing barrel is provided with a second feed port, a second crushing device and a second discharge port, and the second feed port is connected to the first sorting discharge port; the second discharge port is provided with a bottom plate inclined relative to both the vertical and horizontal directions, and the bottom plate is provided with a plurality of second openings smaller than the second preset particle size.

5. The ore dressing equipment for fluorite and scheelite associated ore according to claim 4, characterized in that: The third crushing barrel includes a third feed port, a third crushing device and a third discharge port, and the third feed port is connected to the first sorting discharge port; the third discharge port is provided with a bottom plate inclined relative to both the vertical and horizontal directions, and the bottom plate is provided with a plurality of third openings smaller than the third preset particle size.

6. The ore dressing equipment for fluorite and scheelite associated ore according to claim 5, characterized in that: The diameter of the first discharge port is 1-1.5 times the first preset particle size; the diameter of the second discharge port is 1-1.5 times the second preset particle size; and the diameter of the third discharge port is 1-1.5 times the third preset particle size.

7. The ore dressing equipment for fluorite and scheelite associated ores according to any one of claims 3 to 6, characterized in that: The sorting device comprises: An X-ray emitting assembly, configured to emit X-rays toward the coarse ore; an imaging component for acquiring an image of X-rays reflected from the coarse ore; an analysis component, configured to analyze the image to obtain the content of scheelite and the content of fluorite in the crude ore; A guide assembly is used to change the falling direction of the coarse ore according to the content of scheelite and the content of fluorite.

8. The ore dressing equipment for fluorite and scheelite associated ore according to claim 7, characterized in that: The sorting bucket further includes a conveying assembly configured to convey the coarse ore in a horizontal direction.

9. The ore dressing equipment for fluorite and scheelite associated ore according to claim 8, characterized in that: The guide assembly is rotatably arranged at the end of the conveying assembly; the first sorting discharge port, the second sorting discharge port and the third sorting discharge port are vertically and side by side in the horizontal direction below the guide assembly.

10. The ore dressing equipment for fluorite and scheelite associated ores according to any one of claims 4 to 6, characterized in that: A recovery pipeline is provided below the bottom plate of the first discharge port, and the recovery pipeline is connected to the second feed port.

Images