Mineral desliming dispersion device and application thereof

Abstract

The application discloses a mineral desliming and dispersing device and application thereof, and belongs to the technical field of mineral processing. The device comprises a charging body, and further comprises a fixing assembly, a desliming assembly and a hollow guide cover. The fixing assembly comprises a support arranged on the outside of the charging body. The desliming assembly comprises a rotating device arranged on the support, and the output end of the rotating device is provided with a stirring shaft. The end of the stirring shaft is provided with an impeller blade. The guide cover is arranged on the support through a connecting rod. The impeller blade is arranged in the area surrounded by the guide cover. The impeller blade is in the charging body and in contact with the mineral material during desliming and dispersing. The device is applied to the desliming and dispersing treatment of minerals. The guide cover is arranged outside the stirring shaft, and a guide cavity is created in the charging body during the operation of the device. The turbulent flow generated by the rapid rotation of the impeller forms a multiphase flow field under the action of the guide cover, and the stirred mineral has good vibration shearing force, so that the target mineral is deslimed or dispersed quickly, and the operation efficiency of desliming and dispersing is greatly improved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of mineral processing, and particularly relates to a mineral desliming and dispersing device and application thereof. BACKGROUND

[0002] The clay-containing mineral refers to a mineral ore with mining value, such as bauxite, gold, manganese ore and the like, which has low recovery value slime due to the geological weathering leaching effect on the surface of the mineral itself. The sandstone is a kind of clastic sedimentary rock mainly formed by the consolidation of various sand particles, and a considerable amount of clay impurities exist in the form similar to the clay-containing mineral. The above-mentioned rocks and ores have the problems of high ore slime content, low mineral processing efficiency, large reagent consumption and the like in the mineral processing operation process due to the fact that the clay cement is firmly adhered to the uneven surface or gap of the blocky and granular mineral. In order to solve the above-mentioned problems at the same time, the mineral processing plant needs to increase a desliming pretreatment section.

[0003] At present, the commonly used desliming pretreatment methods include manual rubbing and washing, or using multi-section washing of the drum washing machine, spiral washing machine, tank washing machine, high-frequency vibration screen and the like. However, these methods still have certain limitations, such as the manual rubbing and washing has low washing efficiency although it is not limited by the particle size of the ore; the washing equipment can batch process the ore, but the core is the self-friction washing by the rotation of the drum. The particle size of the ore for the self-friction washing needs to reach a certain block size (such as particle size > 5 mm) to generate sufficient weight friction in the rolling desliming process, but the large particle size will result in long processing time and the loud noise generated by the rolling and collision of the ore; for the small particle size ore (<5 mm), the rolling desliming process cannot generate sufficient weight friction due to the small gravity, which leads to poor washing and desliming efficiency, and even if the surface slime of the ore is cleaned, the clay in the cracks and irregular concave surface is difficult to remove due to the lack of direct contact and vibration force, which finally results in the high impurity content and low ore enrichment ratio of the mineral.

[0004] The clay rock ore refers to the clay mineral (content > 50%) with a diameter < 0.0039 mm, detrital mineral and organic matter and the like, such as kaolinite, bentonite and the like silicate mineral. This kind of rock has unique properties such as adhesion, adsorption and plasticity due to the fine particle size and large specific surface area of the ore, and is widely used in many fields such as industry and agriculture, but due to this property, the ore needs to increase a dispersion treatment section for the homogenization reaction.

[0005] At present, the commonly used dispersion treatment device is a powerful electric mixer, which mainly drives the impeller to rotate by rotating the stirring shaft quickly to disperse the ore pulp. In the stirring process, the ore pulp moves with the impeller, however, the relative position between the ore pulp particles does not change much, the friction between the liquid is weak, and the collision probability of the ore pulp particles is low, so the dispersion stirring operation time is long. In addition, because the inner wall of the material bucket is mostly smooth, the ore pulp does not vibrate during rotation, which makes it difficult to disperse the clay in the form of flocculation (<325 mm), which affects the contact area between the reagent and the mineral in the subsequent operation, thereby reducing the beneficiation effect.

[0006] To solve the technical problems encountered in the above mineral desliming pretreatment and dispersion treatment, the present application provides a mineral desliming and dispersion device. SUMMARY

[0007] The present application provides a mineral desliming and dispersion device and its application to solve the above technical problems.

[0008] To solve the above technical problems, the present application adopts the following technical solutions:

[0009] A mineral desliming and dispersion device, comprising a loading body, comprising: a fixing component for fixing the desliming and dispersion device; a support provided outside the loading body; a desliming and dispersion component for desliming and dispersing the ore; a rotating device provided on the support, the output end of the rotating device is provided with a stirring shaft, and the end of the stirring shaft is provided with an impeller blade; a flow guide cover for generating a multiphase flow field in the loading body when the rotating device is running; the flow guide cover is a hollow structure and is provided on the support through a connecting rod; the impeller blade is provided in the area surrounded by the flow guide cover; during desliming and dispersion, the impeller blade is in the loading body and in contact with the ore; the rotating device can be a motor, and the speed of the motor is adjusted as needed during use to control the stirring speed.

[0010] Further, the side of the flow guide cover is provided with a plurality of flow guide pieces, and a flow guide groove is provided between adjacent flow guide pieces; the impeller blade is not in contact with the flow guide piece; and the width of the flow guide groove is less than or equal to the width of the flow guide piece. There is a gap between the impeller blade and the flow guide piece to prevent the flow guide piece from affecting the rotation of the impeller blade when the impeller blade is running. The width of the flow guide groove is less than or equal to the width of the flow guide piece, so that the water flow enters and exits the flow guide cover from a smaller space, increasing the effect of external force on the mineral particles.

[0011] Further, the side of the flow guide piece is arc-shaped and provided with a groove on the side, and the groove forms an angle of 15-80° with the horizontal plane. The angle is set so that the groove is inclined, increasing its length, thereby prolonging the contact time of the mineral particles with the groove during device operation, and further improving the desliming and dispersion effect.

[0012] Further, the groove is of a structure of one end being large and the other end being small, and shrinks with the distance from the stirring shaft becoming smaller. When the water carrying minerals flows in and out of the flow guide cover, the mineral particles in the groove are subjected to the fluid impact and the extrusion of the side of the groove, which can promote the loosening and falling of the clay adhered to the surface of the mineral, the deep groove and the fine gap, and also helps to accelerate the dispersion of the mineral.

[0013] Further, the flow guide piece is arranged at an angle of 35-145° with the radial direction of the flow guide cover. The flow guide piece is arranged in this way to expand the contact surface with the mineral and improve the effect of the vibration shear force.

[0014] Further, the position of the impeller piece is at a height of 1 / 4-1 / 2 of the height of the flow guide cover.

[0015] Further, the desliming and dispersion device further comprises a cover body for sealing the loading body during desliming pretreatment; the cover body is provided with an extension rod, the top end of the extension rod is connected with an extension device provided on the support, and the cover body is further provided with a through hole for the downward penetration of the rotating shaft. The extension device can be a pneumatic cylinder, and the length of the extension and retraction of the pneumatic cylinder is controlled according to the need to adjust the position height of the cover body.

[0016] Further, the cover body further comprises a flushing assembly for flushing the cover body; the flushing assembly comprises a water inlet pipe provided with a spray head at the end, the water inlet pipe extends into a passage provided in the cover body, and the spray head is hingedly provided with an opening and closing door corresponding to one side of the cover body; the opening and closing door is closed with the cover body through magnetic attraction; when the opening and closing door is opened, the spray head faces the inside of the cover body. The bottom of the opening and closing door can be provided with a magnet, and the cover body corresponding to the bottom of the opening and closing door is provided with a magnetic material. In the non-use state of the flushing device, the opening and closing door is in a closed state due to the action of gravity and the magnetic attraction of the magnet and the magnetic material; when in use, the electromagnetic valve provided on the water inlet pipe is opened, and due to the pressure of the water flow, the impact force of the water will reopen the opening and closing door when the water is sprayed from the spray head, so as to flush the inside of the cover body; after flushing, the electromagnetic valve is closed, and the opening and closing door is closed under the action of gravity and magnetic force; the flushing assembly is provided with at least two groups, which are fixed on the support.

[0017] The application further provides an application of the mineral desliming and dispersion device, which is applied to the desliming pretreatment or dispersion treatment of minerals. The desliming pretreatment refers to the desliming of clay-containing minerals, and the dispersion treatment refers to the dispersion of clay-type minerals; the clay-containing minerals include piling type bauxite, gold sand, manganese ore and quartz sand; the clay-type minerals include kaolin and bentonite.

[0018] The desliming pretreatment includes:

[0019] The mineral to be deslimed is placed in the charging body, and an appropriate amount of water is added to immerse the mineral; here, the mineral can be immersed by 3 cm or more, and the mineral can be fully soaked in water, and the mineral can be easily stirred during the desliming pretreatment;

[0020] The charging body is placed below the desliming and dispersion assembly, and the relative height of the two is adjusted to be appropriate to the mineral in the charging body, and the rotating device is started to stir;

[0021] After stirring is completed, the rotating device is closed, the flushing assembly is started, water is sprayed from the nozzle through the water inlet pipe, and the opening and closing door is opened to flush the inside of the cover body, and after flushing is completed, the water inlet of the flushing assembly is closed, and the desliming pretreatment is completed.

[0022] The mineral in the charging body is sieved according to the required particle size to obtain the target mineral.

[0023] The dispersion treatment includes:

[0024] The mineral to be dispersed is placed in the charging body, and an appropriate amount of water is added to immerse the mineral; here, the appropriate liquid-solid ratio means that the water addition ratio is suitable for subsequent processing after the dispersion of the mineral is completed, so as to avoid the reduction of efficiency due to the water addition operation in the subsequent processing;

[0025] The charging body is placed below the desliming and dispersion assembly, and the relative height of the two is adjusted to be appropriate to the mineral in the charging body, and the rotating device is started to stir;

[0026] After stirring is completed, the rotating device is closed, the flushing assembly is started, water is sprayed from the nozzle through the water inlet pipe, and the opening and closing door is opened to flush the inside of the cover body, and after flushing is completed, the water inlet of the flushing assembly is closed, and the desliming pretreatment is completed.

[0027] For the above-mentioned desliming pretreatment and dispersion treatment, the purpose of "adjusting the relative height of the two to be appropriate to the mineral in the charging body" is to adjust the charging body and / or the desliming assembly so that the relative height of the two is appropriate; the adjustment methods are: 1. adjusting the height of the charging body, specifically: placing the charging body on a height-appropriate support or lifting structure (such as a lifting platform car) so that the guide cover and the impeller blade can immerse in the mineral; 2. adjusting the height of the desliming assembly, since the desliming assembly is fixed on the support, in order to facilitate adjustment, the support can have an extension structure, such as a support composed of multiple extension joints in the vertical direction, when lifting is needed, adjust the extension joint to the appropriate position, and then fix it with a latch; or use a gas cylinder to replace the extension joint, and move the support up and down to adjust the height of the desliming assembly.

[0028] The device principle of the present application is that:

[0029] The high-speed rotation of the impeller agitates the mineral material flow, and the continuous contact and collision of the mineral material and the guide vane create a solid-liquid multiphase flow field to pretreat and disperse the mineral material; the device mainly uses shear force in combination with traditional sliding friction to form diversified forces acting on the mineral material; the formed shear force and sliding friction can scrub the clay in the cracks and irregular concave surfaces of the clay-containing mineral material with a blocky or granular structure, thereby improving the desliming effect and operation efficiency; the device can also quickly break up the flocculent particles of the clay-type mineral material by using the combination of the impeller blade and the flow guide cover, so that the mineral material is homogenized, and the formed fine particles increase the specific surface area of the mineral material; and the contact area between the fine particles of the mineral material and the used reagent is increased during subsequent processing.

[0030] The beneficial effects of the present application are specifically that:

[0031] 1. The flow guide cover provided in the present application is located outside the stirring shaft, and a flow guide cavity is created in the charging body; the turbulent flow generated by the rapid rotation of the impeller can form a multiphase flow field under the action of the flow guide cover, and has good vibration shear force on the uneven surface of the mineral material, so that the clay on the surface, concave surface, and crevice of the target mineral material is easily loosened and falls off, thereby improving the effect of desliming pretreatment; at the same time, the vibration shear force can quickly break up the flocculent particles of the clay-type mineral material, thereby improving the dispersion effect.

[0032] 2. The grooves provided on the guide vane increase the contact area and time of the mineral material with the guide vane, enhance the vibration shear effect, and further improve the desliming or dispersion effect of the mineral material.

[0033] 3. The stirring shaft of the present application rotates vertically, and generates a transverse turbulent flow; the mineral material is quickly agitated in the flow guide cavity, which can effectively avoid the splashing of the mineral material and cause unnecessary loss; and the cover body provided in the present application can be lowered to seal the charging body during stirring, so that even at a high stirring speed, the slurry will not splash to the outside to cause loss.

[0034] 4. The rotating device is directly connected with the stirring shaft, and the power of the rotating device is directly transmitted to the impeller of the main shaft, so that the dispersion power is sufficient.

[0035] 5. The particle size range of the mineral material treated by the present application is ≤10 mm, and the proportion span of the mineral particles in this range is not limited, and a good desliming and dispersion effect can be achieved.

[0036] The method is suitable for cleaning clay minerals, such as sandstone, bauxite, placer, manganese ore, building ore, stone and the like which have cleanliness requirements, or pre-treatment cleaning of granular materials containing soluble useful and harmful components; the method is also suitable for dispersing and slurry-making of clay minerals, such as pre-slurry of kaolin and bentonite. BRIEF DESCRIPTION OF DRAWINGS

[0037] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly introduced as follows, and it should be understood that the following drawings only show some of the embodiments of the present application, and therefore should not be regarded as a limitation on the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0038] Figure 1 It is a front view of the desliming and dispersing device.

[0039] Figure 2 It is a left view of the desliming and dispersing device.

[0040] Figure 3 It is a schematic view of the structure of the desliming and dispersing device with a cover.

[0041] Figure 4 It is a schematic view of the structure of the desliming and dispersing device with a cover. Figure 3 It is a partial enlarged view of A of the desliming and dispersing device.

[0042] Figure 5 It is a top view of the flow guide cover.

[0043] Figure 6 It is a schematic view of the structure of the flow guide piece.

[0044] Reference signs: 1 - loading body, 2 - fixing assembly, 21 - support, 3 - desliming assembly, 31 - rotating device, 32 - stirring shaft, 33 - impeller piece, 4 - flow guide cover, 41 - connecting rod, 42 - flow guide piece, 43 - flow guide groove, 44 - groove, 5 - cover, 51 - telescopic rod, 52 - telescopic device, 53 - through hole, 54 - flushing assembly, 541 - spray head, 542 - water inlet pipe, 55 - opening and closing door. DETAILED DESCRIPTION

[0045] In order to facilitate better understanding of the present application, the following examples will be described in combination with the drawings, which belong to the protection scope of the present application, but do not limit the protection scope of the present application.

[0046] EMBODIMENT

[0047] A mineral desliming and dispersing device, such as Figures 1-3As shown, the device comprises a charging body 1, which comprises a fixing assembly 2 for fixing the desliming and dispersing device; a support 21 arranged on the outer side of the charging body 1; a desliming assembly 3 for desliming and dispersing the ore; a rotating device 31 arranged on the support 21, the output end of the rotating device 31 is provided with a stirring shaft 32, and the end of the stirring shaft 32 is provided with an impeller blade 33; a flow guide cover 4 for generating a multiphase flow field in the charging body 1 when the rotating device 31 is running; the flow guide cover 4 is a hollow structure, which can be a hollow columnar structure, and is arranged on the support 11 through a connecting rod 41; the impeller blade 33 is arranged in the area surrounded by the flow guide cover 4; when desliming and dispersing, the impeller blade 33 is in the charging body 1 and in contact with the ore.

[0048] As shown in Figures 1-2 , Figure 5 , the side of the flow guide cover 4 is provided with a plurality of flow guide pieces 42, and a flow guide groove 43 is arranged between adjacent flow guide pieces 42; the impeller blade 33 is not in contact with the flow guide piece 42.

[0049] As shown in Figures 1-2 , Figures 5-6 , the flow guide piece 42 is arranged at an angle of 35-145° with the radial direction of the flow guide cover 4.

[0050] As shown in Figures 1-2 , Figures 5-6 , the side of the flow guide piece 42 is arc-shaped and provided with a groove 44 on the side, and the groove 44 forms an angle of 15-80° with the horizontal plane. The groove 44 has a structure of large one end and small one end, and shrinks as the distance from the stirring shaft 32 decreases.

[0051] As shown in Figures 1-2 , Figure 1 , the position of the impeller blade 33 is located at a position of 1 / 4-1 / 2 of the height of the flow guide cover 41, which can be specifically set at a position of 1 / 4 as shown in

[0052] As shown in Figures 3-4 , the desliming and dispersing device further comprises a cover body 5 for sealing the charging body 1 during desliming pretreatment; the cover body 5 is provided with an extension rod 51, the top end of the extension rod 51 is connected with an extension device 52 arranged on the support 21; the cover body 5 is also provided with a through hole 53 to make the rotating shaft 32 penetrate downward.

[0053] As shown in Figures 3-4 , the cover body 5 further comprises a flushing assembly 54 for flushing the cover body 5; the flushing assembly 54 comprises a water inlet pipe 542 provided with a spray head 541 at the end, the water inlet pipe 541 extends into a passage 54 arranged in the cover body 1, and the spray head 541 is hingedly provided with an opening and closing door 55 corresponding to one side of the cover body 5; the opening and closing door 55 is closed with the cover body 5 by magnetic attraction; when the opening and closing door 55 is opened, the spray head 541 faces the inside of the cover body 5.

[0054] In the present application, the specific models of the stirring device, the lifting device, the air cylinder and the like are not the improvement points of the present application, and thus are not described herein.

[0055] Method for use: the ore material to be deslimed and pretreated / dispersed is loaded into the loading body, water is added to immerse the ore material, and according to the actual situation such as the amount of the ore material, the ore material is soaked for a suitable time, for example, 15 minutes, 35 minutes or the like, so as to be fully wetted; the loading body is placed on the lifting platform vehicle, the height of the lifting platform vehicle is adjusted so that the impeller blade is in contact with the ore material; the lifting device is started, the telescopic rod is moved downward, so that the cover body is moved downward to seal the loading body; the rotating device is started, and the ore material is stirred for a suitable time, for example, 15 minutes, 30 minutes or the like, and after the stirring is completed, the rotating device is closed; the electromagnetic valve of the water inlet pipe is opened, water is sprayed from the spray head, the opening and closing door is opened, the slurry splashed to the inner side of the cover body due to stirring is washed, and the washing water falls into the loading body; after the washing is completed, the electromagnetic valve is closed, the lifting device is started to move the telescopic rod upward, and then the cover body is moved upward; the lifting platform vehicle is lowered to a suitable position, the loading body is taken out, the slurry in the loading body is washed with water, and then the ore material is screened according to the required standard screen to obtain the target ore material.

[0056] When the device of the present application operates, the high-speed rotation of the impeller drives the ore slurry to rapidly impact on the fairing, and the non-closed cavity formed by the impeller and the fairing causes the ore slurry to generate a multiphase flow field, and the vibration shear force of the ore material makes the clay, mud and the like adhered to the surface, cracks and concave surface of the ore material to be quickly separated from the target ore material. Compared with the existing desliming pretreatment method which only uses simple friction to remove the clay, the device of the present application has the advantages of rapid desliming, simple operation, and the function of dispersing the ore material.

[0057] The present application also provides an application of the ore desliming and dispersion device, which is applied to the desliming pretreatment of the clay-containing ore and the dispersion and slurry preparation of the clay-type ore.

[0058] The desliming pretreatment comprises:

[0059] The ore to be deslimed is placed in the loading body 1, and a suitable amount of water is added to immerse the ore;

[0060] The loading body 1 is placed below the desliming and dispersion assembly 3, and the relative height of the two is adjusted to be suitable to immerse the ore material in the loading body 1 into the fairing 4 and the impeller blade 33, and the rotating device 31 is started to stir;

[0061] After the stirring is completed, the rotating device 31 is closed, the flushing assembly 5 is started to spray water from the spray head 541 through the water inlet pipe 542 and open the opening and closing door 55 to flush the inner side of the cover body 5, and after the flushing is completed, the water inlet of the flushing assembly 5 is closed, and the desliming pretreatment is completed. At this time, the subsequent ore washing treatment or the like can be carried out, or the ore material in the loading body 1 is screened according to the required particle size to obtain the target ore.

[0062] The dispersion treatment includes:

[0063] The mineral to be dispersed is placed in the loading body 1, and water is added to immerse the mineral at a suitable liquid-solid ratio;

[0064] The loading body 1 is placed below the desliming and dispersion assembly 3, and the relative height of the two is adjusted to be appropriate to the height of the flow guide cover 4 and the impeller blade 33 immersed in the mineral material in the loading body 1, and the rotating device 31 is started to stir;

[0065] After the stirring is completed, the rotating device 31 is closed, the flushing assembly 5 is started to spray water from the nozzle 541 through the water inlet pipe 542 and open the door 55 to flush the inside of the cover 5, and after the flushing is completed, the water inlet of the flushing assembly 5 is closed, and the dispersion treatment is completed. At this time, the mineral material in the loading body 1 is the target mineral slurry after dispersion.

[0066] The device of the application and its application are described below in combination with tests, and the contents involved in each test are mass fractions.

[0067] Test 1

[0068] Desliming pretreatment of quartz sand

[0069] ① Standards for use

[0070] Rock and mineral identification standard: “Technical Code for Rock and Mineral Identification Part 2: Rock Thin Section Sampling” (DZ / T0275.2-2015);

[0071] Rock and mineral identification standard: “Technical Code for Rock and Mineral Identification Part 3: Ore Thin Section Sampling” (DZ / T0275.3-2015);

[0072] Test standard: “Silicate Rock Chemical Analysis Method Part 28: Test of 16 Major and Minor Components” (GB / T14506.28-2010);

[0073] Evaluation standard: “Siliceous Raw Material for Flat Glass” (JC / T529-2000).

[0074] ② Mineral raw material

[0075] The raw material is quartz sand collected from a quartz sand mining area in Hepu County; tests show that the SiO2 content in the ore is 89.7% and the Al2O3 content is 6.12%; identification shows that quartz is the main mineral, and there are also a small amount of kaolinite, mica and other minerals in the sample.

[0076] River sand collected from the river channel is -10mm particle size quartz sand, which is mixed according to the laboratory mixing method to divide two representative samples of 20kg each for the following ③ and ④.

[0077] ③ Device of the application

[0078] Put 20kg of quartz sand ore into the loading body, add water to cover the ore by 3cm, fully wet and soak for 30min; place the loading body on the lifting platform car, lift the loading body so that the impeller blade and the flow guide cover are immersed in the ore; start the lifting device to move the cover body downwards to seal the loading body, start the rotating device, rotate at 1500r / min for 15min, and then stop the rotating device; open the electromagnetic valve of the water inlet pipe, water is sprayed from the spray head, the opening and closing door is pushed open, and the slurry splashed to the inside of the cover body due to stirring is washed; after completion, close the electromagnetic valve and control the lifting device to lift the cover body; wash the ore in the loading body with water and sieve according to the 0.1mm standard sieve.

[0079] The sieve-up product after desliming pretreatment is washed out with water, filtered with filter paper, dried (temperature is 105℃), weighed, and tested for aluminum-silicon content (aluminum is Al2O3, and silicon is SiO2).

[0080] The obtained sieve-up product has a SiO2 content of 98.12% and an Al2O3 content of 0.71%; it is shown that the quartz sand obtained after desliming pretreatment by the device of the application meets the requirements of the I-class I-1 grade product of the siliceous raw material for flat glass.

[0081] (4) manual rubbing and washing

[0082] Put 20kg of quartz sand ore into the loading body, add water to cover the ore by 3cm, fully wet and soak for 24h; manually rub and wash repeatedly for 5 times, each time for 10min; after completion, wash the ore in the loading body with water and sieve according to the 0.1mm standard sieve.

[0083] The sieve-up product after desliming pretreatment is treated by the same filtering, drying, weighing, and testing conditions as in (3).

[0084] The obtained sieve-up product has a SiO2 content of 96.72% and an Al2O3 content of 0.92%; it is shown that the quartz sand obtained after manual rubbing and washing desliming pretreatment meets the requirements of the I-class I-2 grade product of the siliceous raw material for flat glass.

[0085] (5) result analysis

[0086] From the test results of the sieve-up products in (3) and (4) above, the SiO2 content of the sieve-up product after treatment of the application is 98.12%, which is higher than 96.72% of manual rubbing and washing, and the Al2O3 content is 0.71%, which is lower than 0.92% of manual rubbing and washing; it is shown that the adhered soil impurities have been removed by using the application to treat the quartz sand, achieving a good desliming pretreatment effect, so that the SiO2 content is relatively high after sieving and desliming, and the Al2O3 impurity content is relatively low ， The obtained quartz sand raw material has a higher quality grade.

[0087] In addition, the time used for the treatment according to the present application is: wet soaking for 30 min, stirring for 15 min, and the total time is 45 min; the time used for the artificial scrubbing and desliming pretreatment is: wet soaking for 24 h, scrubbing for 5 times for 50 min, and the total time is 1490 min; compared in the time dimension, the device desliming pretreatment according to the present application is shorter in time, higher in efficiency, and better in desliming effect.

[0088] Test 2

[0089] Piled bauxite desliming

[0090] ① Standards for use

[0091] Rock and mineral identification standards: “Technical Code for Rock and Mineral Identification Part 2: Rock Thin Section Sampling” (DZ / T0275.2-2015);

[0092] Rock and mineral identification standards: “Technical Code for Rock and Mineral Identification Part 3: Ore Optical Microscope Sampling” (DZ / T0275.3-2015);

[0093] Test standards: “Bauxite Chemical Analysis Method Part 23: X-ray Fluorescence Spectrometric Determination of Element Content” (YS / T575.23-2009);

[0094] Evaluation standards: “Bauxite Geological Exploration Specification” (DZ / T0202-2020).

[0095] ② Mineral raw materials

[0096] The raw material is piled bauxite, which is sampled in Qiaoye mining area of Tianyang County; the test shows that the Al2O3 content in the ore is 39.88%, the SiO2 content is 18.52%, the aluminum-silicon ratio (A / S) is 2.15, and the plasticity index is 29.5; the rock and mineral identification shows that the aluminum minerals in the ore are mainly diaspore, gibbsite and bauxite, and the impurity minerals are limonite, sericite, kaolinite, chlorite, quartz and the like, and the remaining minerals are pyrite, pyrolusite, tourmaline, rutile and white titanium, non-transparent minerals and the like; the ore does not reach the general industrial index boundary grade (Al2O3 content ≥ 40%, aluminum-silicon ratio (A / S) ≥ 2.6) of diaspore type piled bauxite mining, and the ore composition is complex, which belongs to high-viscosity and difficult-to-wash ore.

[0097] The collected piled bauxite is completely weathered due to geological genesis problems, and the ore particle size is mostly -10 mm, and the +10 mm part is increased to be broken to -10 mm.

[0098] The above mineral raw materials are mixed according to the laboratory mixing method, and two representative samples of 20 kg each are divided for ③ and ④ below.

[0099] ③The device of the present application

[0100] Put 20kg of accumulated bauxite material into the loading body, add water according to a liquid-solid ratio of 1.5:1, fully wet and soak for 30min; place the loading body on the lifting platform vehicle, raise the loading body to make the impeller blade and the flow guide cover immerse into the ore material; start the lifting device to move the cover body downward to seal the loading body, start the rotating device, rotate at a speed of 1500r / min, stir for 15min, then close the rotating device; open the electromagnetic valve of the water inlet pipe, water is sprayed from the spray head, flush the open-close door and the slurry splashed to the inside of the cover body due to stirring; after completion, close the electromagnetic valve and control the lifting device to raise the cover body; flush the ore material in the loading body and sieve according to a 1mm standard sieve.

[0101] Flush the oversize product with water and filter with filter paper, dry (temperature is 105℃), weigh, test, calculate the content of aluminum and silicon (aluminum is calculated as Al2O3, silicon is calculated as SiO2), and the desliming rate.

[0102] In the ore washing operation, the ore washing effect (the degree of difficulty of ore washing) can be directly evaluated by the desliming rate and the net ore slime content, which reflects the ore washing effect under certain ore washing process conditions.

[0103] The calculation formula is:

[0104]

[0105] Desliming rate (%) = 100 (%) - net ore slime content (%)

[0106] The obtained oversize product has an Al2O3 content of 44.69%, an SiO2 content of 8.67%, and an aluminum-silicon ratio (A / S) of 5.15; the desliming rate of 98.82% can be obtained by calculation using the above formula. The results show that the accumulated bauxite ore after desliming pretreatment meets the requirements of industrial production of alumina (Al2O3 content ≥40%, aluminum-silicon ratio (A / S) ≥2.6).

[0107] ④Cylinder ore washer

[0108] Cylinder ore washer: size Φ800×600, power 15KW, brand Changyi, vibration screen vibration frequency 1500rpm.

[0109] Take 20kg of accumulated bauxite material, pick up the mud balls (pointing to the artificial hand-picked obvious soil blocks in the discarded ore) and put it into the cylinder ore washer, add water according to a liquid-solid ratio of 1.5:1, fully wet and soak for 30min; start the cylinder ore washer, deslime and pretreat on a 1mm sieve with a vibration frequency of 1500rpm, and the treatment time is 35min.

[0110] The sieve product after desliming pretreatment is subjected to the same filtering, drying, weighing and testing treatment conditions as in ③, the aluminum-silicon content (aluminum is calculated as Al2O3 and silicon is calculated as SiO2) is calculated, and the desliming rate (the formula is the same as in ③) is calculated.

[0111] The sieve product obtained has an Al2O3 content of 40.17%, an SiO2 content of 10.76%, and an aluminum-silicon ratio (A / S) of 4.32; according to formula calculation, the desliming rate is 97.88%.

[0112] ⑤Result analysis

[0113] From the test results of the sieve product after the above-mentioned ③ and ④ treatment, it can be seen that the Al2O3 content of the sieve product after the treatment of the present application is 44.69%, while the content after the treatment of the cylindrical washing machine is 40.17%, and the proportion of increase is: (44.69%-40.17%) / 100%=11.25%; the SiO2 content after the treatment of the present application is 8.67%, and the content after the desliming of the cylindrical washing machine is 10.76%, and the proportion of decrease is: (8.67%-10.76%) / 100%=-19.42%; it shows that the device of the present application has more significant desliming pretreatment effect, and the Al2O3 content of the stacked bauxite after treatment is higher, and the SiO2 impurity content is lower.

[0114] In addition, the time for desliming pretreatment using the present application is: wet soaking for 30 min, stirring for 15 min, and the total time is 45 min; while the time for treatment of the cylindrical washing machine is: wet soaking for 30 min, stirring and desliming for 35 min, and the total time is 65 min; relatively speaking, the device of the present application has shorter desliming time and higher efficiency.

[0115] Test 3

[0116] Manganese ore desliming pretreatment

[0117] ①Use standard

[0118] Rock identification standard: "Technical Code for Rock and Mineral Identification Part 2: Rock Thin Section Sampling" (DZ / T0275.2-2015);

[0119] Detection standard: "Determination of Manganese Content of Manganese Ore" (GB / T1506-2016).

[0120] ②Mineral raw material

[0121] The raw material is manganese ore, which is sampled in Mule mining area of Guiping City; the collected manganese ore is mostly blocky with a particle size of +20 mm; according to the subsequent roasting particle size requirement of the manganese ore, the mineral is crushed to-5 mm; the test shows that the Mn content in the ore is 22.81%, the TFe (total iron) content is 8.30%, and the SiO2 content is 31.82%; the ore is black-brown in color and loose in texture; the identification shows that the ore mineral composition is mainly manganese oxide, followed by sporadic iron-manganese ore, pyrolusite, and gangue minerals are quartz and argillaceous.

[0122] ③The device of the present application

[0123] Put 20 kg of manganese ore into the charging body, add water to cover the ore by more than 3 cm, and fully wet and soak for 30 min; place the charging body on the lifting platform car, raise the charging body so that the impeller blade and the flow guide cover are immersed in the ore; start the lifting device to move the cover body downward to seal the charging body, start the rotating device, the rotating speed is 1500 r / min, stir for 15 min, close the rotating device, open the electromagnetic valve of the water inlet pipe, water is sprayed from the spray head, the opening and closing door is opened, and the slurry splashed to the inside of the cover body due to stirring is washed; after completion, close the electromagnetic valve, and control the lifting device to raise the cover body; after the slurry in the charging body is settled, screen separation is performed according to a 0.074 mm standard screen.

[0124] The oversize product after desliming and dispersion treatment is washed out with water, filtered with filter paper, dried, weighed, and the contents of iron, manganese and silicon are tested.

[0125] The obtained oversize product has a Mn content of 31.67%, a TFe content of 9.06%, and a SiO2 content of 21.49%, which meets the general industrial index requirements of manganese oxide ore and the third-grade product of manganese-rich ore, Mn≥30%, Mn / Fe≥3, and SiO2≤35%.

[0126] ④Hand-held stirrer

[0127] The hand-held stirrer is a vertical type with a brand of Botel, a rotating speed range of 100-600 r / min, and an electric power of 1400 W.

[0128] Put 10 kg of ore into the charging barrel, add water to cover the ore by more than 3 cm, fully wet and soak for 30 min, and use the hand-held stirrer to stir and wash the ore for 2 h; after the stirring is completed, turn off the power, wash the slurry in the charging body, and screen separation is performed according to a 0.074 mm standard screen.

[0129] The oversize product is washed out with water, filtered with filter paper, dried, weighed, and the contents of iron, manganese and silicon are tested.

[0130] The obtained oversize product has a Mn content of 30.42%, a TFe content of 8.69%, and a SiO2 content of 23.22%.

[0131] ⑤Results analysis

[0132] From the test results of the oversize product after the above-mentioned ③ and ④ treatments, it can be seen that the Mn content of the oversize product treated by the desliming and dispersing device of the application is 31.67%, the TFe content is 9.06%, and the SiO2 content is 21.49%, while the Mn content of the oversize product treated by the handheld stirrer is 30.42%, the TFe content is 8.69%, and the SiO2 content is 23.22%; the data comparison shows that the desliming effect of the device of the application is better, so that the Mn content and the TFe content are higher than those treated by the handheld stirrer, while the impurities after desliming pretreatment contain a certain amount of sand and silt, and the main component of the sand and silt is SiO2, so that the SiO2 content of the application is lower than that treated by the handheld stirrer.

[0133] In addition, the desliming time of the application is: wet soaking for 30 min, stirring desliming for 15 min, and the total time is 45 min; the desliming pretreatment time using the handheld stirrer is: wet soaking for 30 min, stirring desliming for 2 h, and the total time is 150 min; relatively, the desliming time of the device of the application is shorter, and the efficiency is higher.

[0134] Test 4

[0135] Desliming pretreatment of placer gold mine

[0136] ①Use standard

[0137] Sample preparation standard: "Geological Mineral Laboratory Test Quality Management Specification Part 2: Rock and Mineral Analysis Sample Preparation (DZ / T0130-2006)";

[0138] Test standard: "Gold Ore Chemical Analysis Method Part 1: Determination of Gold Content (GB / T20899.1-2019)".

[0139] ②Mineral raw materials

[0140] Blocky clay placer gold mine was collected, and sampling was carried out in Hengxian Dahua gold mine; the mineral material contains a certain amount of moisture, and is dried at 60-80 DEG C; the ore particle size is different, and is sieved, and the +10mm part is broken to-10mm by increasing the breaking operation; the test shows that the Au content in the ore is 0.6g / t.

[0141] ③Device of the application

[0142] Put 20 kg of placer gold ore into the loading body, add water to cover the ore by more than 3 cm, fully wet and soak for 30 min; place the loading body on the lifting platform car, raise the loading body so that the impeller blades and the flow guide cover are immersed in the ore; start the lifting device to move the cover body downward to seal the loading body, start the rotating device, the rotating speed is 1500 r / min, and stirring is performed for 15 min; close the rotating device, open the electromagnetic valve of the water inlet pipe, water is sprayed from the spray head, the opening and closing door is pushed open, and the slurry splashed to the inside of the cover body due to stirring is washed; after completion, the electromagnetic valve is closed, and the lifting device is controlled to raise the cover body; after the slurry in the loading body is settled, the slurry is screened according to a 0.5 mm standard screen.

[0143] ④Result analysis

[0144] The heavy minerals are elutriated from the screened product after treatment, the rest is combined with the screened product to form light minerals, and the light minerals are filtered, dried (at a temperature of 60-80 DEG C), weighed, and assayed for gold content.

[0145] The gold content of the obtained heavy minerals is 67.67 g / t, and the gold content of the light minerals is 0.12 g / t.

[0146] The use of the present application for clay placer desliming pretreatment has good effect, so that the heavy mineral gold content is enriched from 0.6 g / t before treatment to 67.67 g / t; and the wetting and stirring time is 45 min, which is shorter and has higher desliming efficiency.

[0147] Test 5

[0148] Kaolin dispersion treatment

[0149] ①Use standard

[0150] Rock identification standard: "Rock Identification Technical Specification Part 2: Rock Thin Section Sampling" (DZ / T0275.2-2015);

[0151] Test standard: "Kaolin and Test Methods" (GB / T 14563-2020).

[0152] ②Mineral raw material

[0153] The raw material is kaolin, which is an open-pit mine, and is sampled in the Boliden mining area of Indonesia; the test shows that the SiO2 content in the ore is 73.51%, the Al2O3 content is 17.74%, the Fe2O3 content is 0.47%, and the -2 μm content is 6.72%. The identification shows that the mineral composition of the ore is mainly quartz, kaolinite and potassium feldspar, which is the product after weathering of granite.

[0154] The collected kaolin is mostly quartz sand with particle size of-5 mm. Two representative samples of 10 kg each are prepared by mixing in the laboratory and are used in the following ③ and ④.

[0155] ③ Device of the present application

[0156] Put 10 kg of kaolin into the loading body, add water at a liquid-solid ratio of 3:1, and soak for 30 min. Put the loading body on the lifting platform car, and raise the loading body so that the impeller blades and the flow guide cover are immersed in the ore. Start the lifting device to move the cover body downward to seal the loading body. Start the rotating device at a speed of 1200 r / min, and stir for 30 min. Close the rotating device, open the electromagnetic valve of the water inlet pipe, and spray water from the spray head to flush the slurry splashed to the inside of the cover body. After completion, close the electromagnetic valve of the water inlet pipe, and control the lifting device to raise the cover body. At this time, the ore in the loading body is the target slurry after dispersion, which is sieved according to the 0.045 mm standard sieve after standing and settling.

[0157] The undersize product after dispersion treatment is flushed out with water, filtered with filter paper, dried (temperature is 105℃), weighed, and tested for silicon, aluminum, iron, and titanium content (silicon is calculated as SiO2, aluminum is calculated as Al2O3, and iron is calculated as Fe2O3). The-2 μm content is measured.

[0158] The obtained undersize product has a SiO2 content of 46.38%, an Al2O3 content of 37.66%, an Fe2O3 content of 0.94%, and a-2 μm content of 81.07%.

[0159] ④ Powerful electric mixer

[0160] Powerful electric mixer: manufactured by Shanghai Model Factory, model JB90-D, power 90 w, stirring speed 30-1400 r / min.

[0161] Put 1 kg of ore into the loading body, add water at a liquid-solid ratio of 3:1, and soak for 30 min. Put the loading body under the powerful electric mixer. Start the rotating device at a speed of 1200 r / min, and stir for 2 h. After completion, turn off the power. The slurry in the loading body is sieved according to the 0.045 mm standard sieve after standing and settling.

[0162] The undersize product after dispersion treatment is subjected to the same filtering, drying, weighing, and testing conditions as ③ to measure the silicon, aluminum, iron, and titanium content (silicon is calculated as SiO2, aluminum is calculated as Al2O3, and iron is calculated as Fe2O3), and the-2 μm content is measured.

[0163] The undersize product obtained has a SiO2 content of 52.27%, an Al2O3 content of 33.11%, and an Fe2O3 content of 0.83%; and a -2 μm content of 72.75%.

[0164] ⑤Result analysis

[0165] From the results of ③ and ④ above, it can be seen that the SiO2 content of the undersize product after treatment according to the application is 46.38%, the Al2O3 content is 37.66%, and the Fe2O3 content is 0.94%; while the SiO2 content of the undersize product after treatment using a powerful electric mixer is 52.27%, the Al2O3 content is 33.11%, and the Fe2O3 content is 0.83%; it can be seen from this that the silicon content after treatment according to the application is lower than that after treatment using a powerful electric mixer, because after dispersion treatment, the relative coarse impurities that are screened out of the 0.045 mm standard sieve contain a certain amount of silicon, resulting in a lower silicon content than that after treatment using a powerful electric mixer; in addition, since the impurities are screened out, the aluminum and iron contents of the oversize product are also improved, indicating that the dispersion effect according to the application is better; it can be seen by comparison that the dispersion effect of the latter is poorer, and even after strong stirring, there are still a large number of minerals existing in the form of clusters.

[0166] After dispersion according to the application, the -2 μm content is 81.07%, and after dispersion treatment using a powerful electric mixer, the -2 μm content is 72.75%, the proportion of the increase being: (81.07%-72.75%) / 100%=11.44%, indicating that the dispersion effect according to the application is significant.

[0167] In addition, the dispersion treatment time of the device according to the application is: wetting and soaking for 30 min, stirring for 30 min, a total of 60 min; while the dispersion treatment time of the powerful electric mixer is: wetting and soaking for 30 min, stirring and dispersion for 2 h, a total of 150 min; relatively speaking, the treatment time according to the application is shorter, the efficiency is higher, and the dispersion effect is better.

[0168] Test 6

[0169] Dispersion treatment of bentonite

[0170] ①Standard for use

[0171] Rock and mineral identification standard: Technical Code for Rock and Mineral Identification Part 2: Rock Thin Section Sampling (DZ / T0275.2-2015).

[0172] ②Mineral raw material

[0173] The raw material is bentonite ore, which is sampled from Baisha mining area of Hepu County, and the collected bentonite ore is mostly -1 mm particle size; the test shows that the content of montmorillonite is 63.01%, and the content of -0.045 mm particle size is 51.2%; the identification shows that the ore mineral is the product of andesite porphyrite or andesitic tuff (mainly andesite porphyrite) weathering alteration, and the mineral composition is mainly montmorillonite, and a small amount of quartz and other minerals.

[0174] The mineral raw material is mixed by the laboratory mixing method, and two representative samples of 10 kg each are divided for ③ and ④ below.

[0175] ③ The device of the application

[0176] 10 kg of bentonite ore is put into the charging body, water is added at a liquid-solid ratio of 3:1, and the ore is fully wetted and soaked for 30 min; the charging body is placed on the lifting platform car, and the impeller blade and the flow guide cover are immersed in the ore; the lifting device is started, the cover body is moved downward to seal the charging body, the rotating device is started, the rotating speed is 1200 r / min, and the stirring is performed for 30 min; the rotating device is turned off, the electromagnetic valve of the water inlet pipe is opened, water is sprayed from the spray head, the opening and closing door is opened, and the slurry splashed to the inside of the cover body due to stirring is washed; after completion, the electromagnetic valve is closed, and the lifting device is controlled to lift the cover body; at this time, the ore in the charging body is the dispersed target slurry, which is screened according to the 0.045 mm standard screen after standing and settling.

[0177] The undersize product after dispersion treatment is filtered, dried (temperature is 105℃), weighed, and the -0.045 mm content is calculated.

[0178] The obtained undersize product has a montmorillonite content of 74.32% and a -0.045 mm content of 89.41%.

[0179] ④ Powerful electric mixer

[0180] The powerful electric mixer is manufactured by Shanghai Model Factory, the model number is JB90-D, the power is 90 W, and the stirring speed is 30-1400 r / min.

[0181] 1 kg of bentonite ore is weighed and put into the charging body, water is added at a liquid-solid ratio of 3:1, and the ore is fully wetted and soaked for 30 min; the charging body is placed under the powerful electric mixer; the rotating device is started, the rotating speed is 1200 r / min, and the stirring is performed for 2 h; after completion, the power is turned off; the slurry in the charging body is screened according to the 0.045 mm standard screen after standing and settling.

[0182] The undersize product after dispersion treatment is filtered, dried (temperature is 105℃), weighed, and the -0.045 mm content is calculated.

[0183] The obtained undersize product has a montmorillonite content of 70.53%, and a -0.045 mm content of 68.48%.

[0184] 5. Result analysis

[0185] The raw material montmorillonite content recorded in the specification is 63.01%, and the -0.045 mm particle size content is 51.2%. After the dispersion treatment of the present application, the large particle impurities are screened out, so that the montmorillonite content is increased to 74.32, and the -0.045 mm content is 89.41%. It can be seen that after the dispersion treatment of the present application, the montmorillonite content and the -0.045 mm content are both significantly improved.

[0186] From the test results of ③ and ④ above, it can be seen that the montmorillonite content of the undersize product after the treatment of the present application is 74.32%, while the montmorillonite content of the undersize product after the dispersion treatment of the strong electric mixer is 70.53%. The high montmorillonite content of the undersize product of the present application indicates that after the stirring treatment, the bentonite has been dispersed into smaller particles, which can pass through the standard sieve of 0.045 mm, thereby increasing the montmorillonite content in the undersize product.

[0187] The montmorillonite content of -0.045 mm after the dispersion of the present application is 89.41%, which is much higher than the content of 68.48% after the dispersion treatment of the strong electric mixer. It can be seen that after the dispersion treatment of the device of the present application, the montmorillonite content with a particle size less than 0.045 mm in the undersize product is greatly improved, which indicates that the present application can better disperse and homogenize the bentonite, and the effect is remarkable.

[0188] In addition, the dispersion time of the device of the present application is: wetting and soaking for 30 min, stirring and dispersing for 30 min, a total of 60 min. While the dispersion time of the strong electric mixer is: wetting and soaking for 30 min, stirring and dispersing for 2 h, a total of 150 min. Relatively speaking, the device of the present application has a shorter desliming time and higher efficiency.

[0189] It should be noted that in this text, relational terms such as first and second are used merely to distinguish one entity or action from another, and do not necessarily require or imply any actual such relationship or order between the entities or actions. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations, the statement "including a limited element" does not exclude the existence of other identical elements in the process, method, article or device including the element.

[0190] The above merely preferred embodiments of the present application are not used to limit the present application, any modification, equivalent replacement and improvement etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A mineral desliming dispersion device comprising a charging body (1), characterized in that, The utility model relates to a mineral desliming and dispersing device, which comprises a fixed assembly (2) for fixing the desliming and dispersing device, a desliming and dispersing assembly (3) for desliming and dispersing the mineral, and a cover body (5) for sealing the charging body (1) during desliming pretreatment. The fixed assembly (2) comprises a support (21) arranged outside the charging body (1). The desliming and dispersing assembly (3) comprises a rotating device (31) arranged on the support (21), wherein the output end of the rotating device (31) is provided with a stirring shaft (32), and the end of the stirring shaft (32) is provided with an impeller blade (33). The cover body (5) is arranged on the support (21) through a connecting rod (41) and has a hollow structure. The cover body (4) is provided with a plurality of guide vanes (42) on the side surface, and a guide groove (43) is arranged between adjacent guide vanes (42). The impeller blade (33) is arranged in the area surrounded by the cover body (4) and forms a gap with the cover body (4). During desliming and dispersing, the impeller blade (33) is in the charging body (1) and in contact with the mineral.

2. A mineral desliming dispersion device according to claim 1, characterized in that, The side surface of the guide vane (42) is arc-shaped, and a groove (44) is arranged on the side surface, the groove (44) forms an angle of 15-80° with the horizontal plane, the groove (44) has a structure with a large end and a small end, and the groove (44) shrinks as the distance from the stirring shaft (32) decreases.

3. A mineral desliming dispersion device according to claim 2, characterized in that, The guide vane (42) is arranged at an angle of 35-145° with the radial direction of the cover body (4).

4. A mineral desliming dispersion device according to claim 2, characterized in that, The height of the position of the impeller blade (33) is located at 1 / 4-1 / 2 of the height of the cover body (41).

5. A mineral desliming dispersion device according to any one of claims 1 to 4, characterized in that, The cover body (5) is arranged on the support (21) through a connecting rod (41) and has a hollow structure. The cover body (5) is provided with a through hole (53) to enable the stirring shaft (32) to penetrate downward. The cover body (5) further comprises a flushing assembly (54) for flushing the cover body (5), which comprises a water inlet pipe (542) provided with a spray head (541) at the end, the water inlet pipe (541) extends into a passage arranged in the cover body (5), and the spray head (541) is hingedly provided with an opening and closing door (55) corresponding to one side of the cover body (5).

6. A mineral desliming dispersion device according to claim 5, characterized in that, The opening and closing door (55) is closed by magnetic attraction. When the opening and closing door (55) is opened, the spray head (541) faces the inside of the cover body (5). The utility model is applied to the desliming pretreatment or dispersing treatment of minerals. The desliming treatment mineral is quartz sand, accumulated bauxite, manganese ore, and gold sand.

7. Use of a mineral desliming dispersion device according to claim 6, characterized in that, The dispersing treatment mineral is kaolin and bentonite. The desliming pretreatment comprises the following steps. The mineral to be deslimed is placed in the charging body (1), and the mineral is immersed in an appropriate amount of water.

8. Use of a mineral desliming dispersion device according to claim 7, characterized in that, The charging body (1) is placed below the desliming and dispersing assembly (3), and the relative height is adjusted to be appropriate for the cover body (4) and the impeller blade (33) to be immersed in the mineral in the charging body (1), and the rotating device (31) is started to stir. ​ ​ After the stirring is completed, the rotating device (31) is turned off, the flushing assembly (5) is started to spray water from the water inlet pipe (542) through the spray head (541) and open the open-close door (55) to flush the inside of the cover (5), and after the flushing is completed, the water inlet of the flushing assembly (5) is closed; that is, the desliming pretreatment is completed.

9. Use of a mineral desliming dispersion device according to claim 7, characterized in that, The dispersion treatment comprises: The mineral to be dispersed is placed in the charging body (1), and water is added to immerse the mineral at a suitable liquid-solid ratio; The charging body (1) is placed below the desliming and dispersion assembly (3), and the relative height of the two is adjusted to be suitable for the flow guide cover (4) and the impeller blade (33) to be immersed in the mineral in the charging body (1), and the rotating device (31) is started to stir; After the stirring is completed, the rotating device (31) is turned off, the flushing assembly (5) is started to spray water from the water inlet pipe (542) through the spray head (541) and open the open-close door (55) to flush the inside of the cover (5), and after the flushing is completed, the water inlet of the flushing assembly (5) is closed; that is, the desliming pretreatment is completed.

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