Flaky mineral separation equipment and separation method thereof

By combining dry sorting equipment with a polyurethane drive belt and a scraping and cleaning mechanism, the problems of low sorting efficiency, high cost and clogging of flaky and granular minerals in the existing technology have been solved, achieving efficient separation of mica flakes and quartz particles, which is suitable for arid regions.

CN121178436APending Publication Date: 2025-12-23ZHENGZHOU MINERALS COMPOSITIVE UTILIZATION RES INST CHINESE GEOLOGICAL ACAD

Patent Information

Application Number
CN202511309638.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-09-15
Publication Date
2025-12-23

AI Technical Summary

Technical Problem

Existing technologies are inefficient and costly in separating platy and granular minerals, are not suitable for arid regions, and are prone to clogging problems.

Method used

The dry sorting equipment uses an inclined polyurethane conveyor belt for mineral separation, combined with a scraping and cleaning mechanism to separate flaky and granular minerals. The conveyor belt surface is smooth, so flaky minerals adhere to it while granular minerals slide off.

Benefits of technology

It achieves effective separation of platy and granular minerals, is suitable for arid regions, reduces water costs, avoids clogging, and has a simple structure. It uses a polyurethane drive belt and employs a dry method to separate platy and granular minerals, such as the separation of mica flakes and quartz particles. It is suitable for mineral processing in arid regions, saves water, reduces mineral processing costs, and avoids problems such as clogging.

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Abstract

The invention provides flaky mineral separation equipment and a separation method thereof. The flaky mineral separation equipment comprises a transmission belt inclining downwards, the upper surface of the transmission belt is in upward transmission, the surface of the transmission belt is a smooth surface, and the transmission belt is a polyurethane transmission belt. Separation of flaky minerals and granular minerals, such as separation of mica sheets and quartz particles, is realized by adopting a dry method, the method is suitable for mineral separation in arid regions, the mineral separation cost is reduced, and the problems of blockage and the like are avoided.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of mineral separation, in particular to a flaky mineral separation device and a separation method thereof. BACKGROUND

[0002] For mixed ore of flaky minerals and granular minerals, the prior art can use manual separation, air separation, flotation and other methods, which has low separation efficiency and high cost. In particular, flotation requires a large amount of water and is not suitable for ore separation in arid regions.

[0003] The existing document CN 220780725 U discloses a separation device for flaky and granular crystal-shaped minerals, a flat plate is connected with a vibration device; two inclined plates are arranged on the flat plate, a baffle is arranged on one side of each inclined plate, a linear gap is arranged between the baffle and the inclined plate, the height of the linear gap is greater than the maximum flaky material thickness and smaller than the minimum granular material size. Through vibration, the flaky material passes through the linear gap, and the granular material remains on the inclined plate and is discharged from the outlet of the inclined plate. During use, the linear gap is easily blocked, affecting the normal operation of separation. SUMMARY

[0004] The present application provides a flaky mineral separation device and a separation method thereof, which realizes the separation of flaky minerals and granular minerals by dry method, such as the separation of mica flakes and quartz particles, is suitable for ore separation in arid regions, reduces the cost of ore separation, and does not have the problem of blockage.

[0005] The technical scheme of the present application is as follows: a flaky mineral separation device, comprising an inclined downward transmission belt, the upper surface of the transmission belt is upwardly driven, the surface of the transmission belt is smooth, and the transmission belt is a polyurethane transmission belt.

[0006] Further, the lower end of the transmission belt is provided with a granular material collecting hopper, the upper end of the transmission belt is provided with a scraping mechanism, and the lower side of the scraping mechanism is provided with a flaky material collecting hopper; the lower side of the transmission belt is provided with a cleaning mechanism for cleaning the surface of the transmission belt.

[0007] Further, the cleaning mechanism is a height-adjustable blowing device, and the scraping mechanism is a height-adjustable cleaning brush or scraper.

[0008] Further, the upper side of the transmission belt is provided with a feeding hopper for horizontally laying the mineral raw material on the transmission belt.

[0009] Further, the two sides of the transmission belt are provided with a baffle.

[0010] Further, the machine frame is further provided with an adjustable machine frame, an upper end of the machine frame is provided with a driven roller, a lower end of the machine frame is provided with a motor-driven driving roller, and the transmission belt is sleeved on the outer sides of the driven roller and the driving roller.

[0011] Further, the lower end of the machine frame is hinged to the rack, and the upper part of the machine frame is provided with a telescopic device between the rack, the upper end of the telescopic device is hinged to the machine frame, and the lower end is hinged to the rack.

[0012] A flaky mineral sorting method, comprising the following steps: Screening the mineral raw material to obtain coarse-grained mineral and fine-grained mineral; The fine-grained mineral is horizontally dropped onto the upper surface of the transmission belt, the flaky material is adsorbed on the transmission belt, the transmission belt drives the flaky material to move upward, and the granular material slides downward along the transmission belt due to gravity.

[0013] Further, the granular material falls into the granular material collecting hopper, when the flaky material moves to the scraping mechanism, the scraping mechanism scrapes the flaky material from the transmission belt and falls into the flaky material collecting hopper.

[0014] Further, when the transmission belt after scraping passes through the cleaning mechanism, the cleaning mechanism cleans the dust and the like attached to the lower surface of the transmission belt, so as to avoid affecting the subsequent adhesion and separation.

[0015] The beneficial effects of the present application are: The sorting device of the present application has simple structure, realizes separation of flaky mineral and granular mineral by dry method, such as separation of mica sheet and quartz particle, is suitable for mineral separation in arid areas, saves water, reduces mineral separation cost, and does not have problems such as blockage.

[0016] The transmission belt of the present application adopts polyurethane transmission belt, has certain elasticity and viscosity, and the surface of the transmission belt is smooth surface, the flaky mineral can be adhered to the surface of the transmission belt, and the granular mineral slides along the transmission belt, so as to realize effective separation of the two, if the transmission belt is metal belt or the surface is provided with protrusions, stripes or the like, the mica sheet and the quartz particle cannot be effectively separated. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0018] Figure 1 It is a structural schematic view of the flaky mineral sorting device.

[0019] Transmission belt 1, granular material collecting hopper 2, scraping mechanism 3, flaky material collecting hopper 4, cleaning mechanism 5, rack 6, machine frame 7, driven wheel 8, driving roller 9, telescopic device 10, feeding hopper 11. Detailed Implementation

[0020] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0021] In this invention, "lateral" refers to the width direction of the transmission belt.

[0022] Example 1 like Figure 1 As shown, a sheet mineral sorting device includes a downward-sloping transmission belt 1. The upper surface of the transmission belt 1 moves upward, and the surface of the transmission belt 1 is smooth, without raised stripes, raised particles, etc. The transmission belt 1 is a polyurethane transmission belt, which has a certain degree of elasticity and adhesion. Sheet minerals can adhere to the surface of the transmission belt 1, while granular minerals slide off the transmission belt 1. It is not advisable to use metal transmission belts such as steel for the transmission belt 1, because sheet materials have poor adhesion and cannot be effectively separated from granular materials.

[0023] The surface of the transmission belt 1 should not be made of raised stripes or the like, as this would affect the adhesion and contact between the sheet material and the surface of the transmission belt 1, and would also prevent the sheet material and granular material from being effectively separated.

[0024] The lower end of the transmission belt 1 is provided with a granular material collection hopper 2, and the upper end of the transmission belt 1 is provided with a height-adjustable scraping mechanism 3. The scraping mechanism 3 includes a vertically adjustable telescopic rod, and the top of the telescopic rod is equipped with a cleaning brush, scraper, etc. The lower part of the scraping mechanism 3 is provided with a flake material collection hopper 4.

[0025] A vertically adjustable cleaning mechanism 5 is provided on the lower side of the transmission belt 1 to clean the surface of the transmission belt 1. The cleaning mechanism 5 is a spraying device, which includes a vertically adjustable telescopic bracket. The spray nozzle of the water spraying device is connected to the top of the telescopic bracket.

[0026] A feed hopper 11 is provided on the upper side of the transmission belt 1 to lay the mineral raw materials horizontally on the transmission belt 1.

[0027] Both sides of the transmission belt 1 are equipped with retaining edges to prevent materials from slipping off the edges.

[0028] The inclination angle of the transmission belt 1 is 25-45°, which can be adjusted as needed.

[0029] Example 2 This embodiment is basically the same as Embodiment 1, except that: Figure 1As shown, the inclination angle of the transmission belt 1 is adjustable, a sheet mineral sorting device further comprises a rack 6, the rack 6 is provided with an inclination angle adjustable machine frame 7, the upper end of the machine frame 7 is provided with a driven roller 8, and the lower end is provided with a motor driven driving roller 9, and the transmission belt 1 is sleeved on the outer side of the driven roller and the driving roller 9.

[0030] The lower end of the machine frame 7 is hinged to the rack 6, and the upper part of the machine frame 7 is provided with a telescopic device 10 between the rack 6, the upper end of the telescopic device 10 is hinged to the machine frame 7, and the lower end is hinged to the rack 6, the inclination angle of the machine frame 7 is adjusted by the telescopic device 10, and the inclination angle of the transmission belt 1 is adjusted. The telescopic device 10 can be a telescopic cylinder, a hydraulic cylinder, an electric push rod and the like.

[0031] Embodiment 3 A sheet mineral sorting method, comprising the following steps: (1) screening the mineral raw material to obtain coarse-grained mineral and fine-grained mineral; (2) the coarse-grained mineral is separated from the sheet material and the granular material by using the sheet and granular crystal form mineral sorting device in CN220780725U; (3) the fine-grained mineral is separated by using the sorting device described in embodiment 1, and the specific method is as follows: The fine-grained mineral is fed to the upper surface of the transmission belt 1, the sheet material is adsorbed on the transmission belt 1, the transmission belt 1 drives the sheet material to move upward, the granular material slides downward along the transmission belt 1 due to gravity, and falls into the granular material collecting hopper 2; When the sheet material moves to the scraping mechanism 3, the scraping mechanism 3 scrapes the sheet material from the transmission belt 1 and falls into the sheet material collecting hopper 4; after scraping, the transmission belt 1 passes through the cleaning mechanism 5, and the cleaning mechanism 5 cleans the dust attached to the lower surface of the transmission belt 1 to avoid affecting the subsequent adhesion and separation.

[0032] The above only describes the preferred embodiments of the present application and does not limit the present application, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A sheet mineral sorting device, characterized in that: It includes a downward-sloping transmission belt, with the upper surface of the transmission belt driving upwards. The surface of the transmission belt is smooth, and the transmission belt is a polyurethane transmission belt.

2. The sheet mineral sorting equipment according to claim 1, characterized in that: A granular material collection hopper is provided at the lower end of the transmission belt, a scraping mechanism is provided at the upper end of the transmission belt, and a flake material collection hopper is provided below the scraping mechanism; a cleaning mechanism is provided on the lower side of the transmission belt to clean the surface of the transmission belt.

3. The sheet mineral sorting equipment according to claim 2, characterized in that: The cleaning mechanism is a height-adjustable blower, and the scraping mechanism is a height-adjustable cleaning brush or scraper.

4. The sheet mineral sorting equipment according to claim 1, characterized in that: A feed hopper is provided on the upper side of the transmission belt to lay the mineral raw materials horizontally on the transmission belt.

5. The sheet mineral sorting equipment according to claim 1, characterized in that: Both sides of the transmission belt are equipped with flanges.

6. The sheet mineral sorting equipment according to claim 1, characterized in that: It also includes a frame, on which a tilt angle adjustable frame is provided. A driven wheel is provided at the upper end of the frame, and a motor-driven drive roller is provided at the lower end. A transmission belt is fitted on the outside of the driven roller and the drive roller.

7. The sheet mineral sorting device according to claim 6, characterized in that: The lower end of the frame is hinged to the machine frame, and an extension device is provided between the upper part of the frame and the machine frame. The upper end of the extension device is hinged to the frame, and the lower end is hinged to the machine frame.

8. A method for separating flaky minerals, characterized in that, The sorting device according to any one of claims 1-7 comprises the following steps: The mineral raw materials are screened to obtain coarse-grained minerals and fine-grained minerals; Fine-grained minerals are fed laterally onto the upper surface of the transmission belt. The flaky material is adsorbed onto the transmission belt, which drives the flaky material upwards. The granular material slides down the transmission belt due to gravity.

9. A method for sorting flaky minerals according to claim 8, characterized in that, When granular material falls into the granular material collection hopper, and when flaky material moves to the scraping mechanism, the scraping mechanism scrapes the flaky material off the conveyor belt and into the flaky material collection hopper.

10. A method for sorting flaky minerals according to claim 9, characterized in that, When the conveyor belt passes through the cleaning mechanism after the material is scraped, the cleaning mechanism cleans the dust and other debris adhering to the lower surface of the conveyor belt to avoid affecting the subsequent adhesion and dispensing of materials.

Citation Information

Patent Citations

  • Sorting device for flaky and granular crystalline minerals

    CN220780725U

Cited By

  • Method for sorting granite pegmatite type quartz through cooperation of multiple stages of grinding and screening

    CN122098803A