CN220879190U - Lepidolite ore dressing system - Google Patents
Lepidolite ore dressing system Download PDFInfo
- Publication number
- CN220879190U CN220879190U CN202322359645.1U CN202322359645U CN220879190U CN 220879190 U CN220879190 U CN 220879190U CN 202322359645 U CN202322359645 U CN 202322359645U CN 220879190 U CN220879190 U CN 220879190U
- Authority
- CN
- China
- Prior art keywords
- equipment
- flotation
- concentrate
- flotation machine
- lepidolite
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229910052629 lepidolite Inorganic materials 0.000 title claims abstract description 44
- 238000005188 flotation Methods 0.000 claims abstract description 137
- 239000000463 material Substances 0.000 claims abstract description 74
- 239000012141 concentrate Substances 0.000 claims abstract description 72
- 238000011282 treatment Methods 0.000 claims abstract description 52
- 239000010433 feldspar Substances 0.000 claims abstract description 39
- 239000000843 powder Substances 0.000 claims abstract description 27
- 238000000926 separation method Methods 0.000 claims abstract description 26
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 21
- 239000011707 mineral Substances 0.000 claims abstract description 21
- WMLOOYUARVGOPC-UHFFFAOYSA-N [Ta].[Sn] Chemical compound [Ta].[Sn] WMLOOYUARVGOPC-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000012216 screening Methods 0.000 claims abstract description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 48
- 239000002516 radical scavenger Substances 0.000 claims description 28
- 229910052742 iron Inorganic materials 0.000 claims description 24
- 239000006148 magnetic separator Substances 0.000 claims description 22
- 239000002893 slag Substances 0.000 claims description 22
- 239000012535 impurity Substances 0.000 claims description 19
- 230000005484 gravity Effects 0.000 claims description 18
- 230000008719 thickening Effects 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 7
- 239000002002 slurry Substances 0.000 claims description 6
- 238000010409 ironing Methods 0.000 claims 1
- 239000010438 granite Substances 0.000 abstract description 9
- YGANSGVIUGARFR-UHFFFAOYSA-N dipotassium dioxosilane oxo(oxoalumanyloxy)alumane oxygen(2-) Chemical compound [O--].[K+].[K+].O=[Si]=O.O=[Al]O[Al]=O YGANSGVIUGARFR-UHFFFAOYSA-N 0.000 abstract description 8
- 229910052627 muscovite Inorganic materials 0.000 abstract description 8
- 238000011084 recovery Methods 0.000 abstract description 6
- 238000013461 design Methods 0.000 abstract description 3
- 239000002562 thickening agent Substances 0.000 description 13
- 230000002000 scavenging effect Effects 0.000 description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 5
- 229910052744 lithium Inorganic materials 0.000 description 5
- 230000007480 spreading Effects 0.000 description 4
- 239000004744 fabric Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000007885 magnetic separation Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011221 initial treatment Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009700 powder processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
The utility model relates to the technical field of mineral separation and discloses a lepidolite mineral separation system which is mainly used for mineral separation of muscovite granite ore materials and comprises classification equipment before entering grinding, ore grinding equipment, material classification equipment, pretreatment equipment before separation, flotation equipment, flotation tailing treatment equipment, feldspar fine powder treatment equipment and lepidolite concentrate treatment equipment. According to the utility model, through the combined design of the grading equipment before grinding, the ore grinding equipment, the material grading equipment, the pretreatment equipment before separation, the flotation equipment, the flotation tailing treatment equipment, the feldspar fine powder treatment equipment and the lepidolite ore concentrate treatment equipment, the grinding, multistage screening and flotation of the muscovite granite ore materials can be realized, so that feldspar fine powder, lepidolite ore concentrate, feldspar ore concentrate and tantalum tin ore concentrate products are obtained, the concentration and classification of the produced minerals are facilitated, the concentrate recovery rate is improved, and the actual ore dressing cost is reduced.
Description
Technical Field
The utility model relates to the technical field of mineral separation, in particular to a lepidolite mineral separation system.
Background
The mineral separation is to separate the useful ore from gangue minerals by adopting a flotation method, a magnetic separation method, a gravity separation method and other mineral separation methods after crushing and grinding the ore according to the physical and surface chemical properties of different minerals in the ore, and separate various symbiotic useful minerals as much as possible.
With the continuous increase of lithium demand, the lithium industry in China is rapidly developing, and although lithium resources, particularly salt lake brine, are rapidly developed in recent years, the supply of lithium raw materials is still in shortage.
Rare metals and nonmetallic minerals such as lithium, tantalum and tin rare metals and feldspar nonmetallic minerals are mixed in the muscovite granite, but the muscovite granite is difficult to concentrate and accessory products in the prior art when the muscovite granite is beneficiated, so that the concentrate recovery rate is low, and the actual beneficiation cost is increased.
Disclosure of utility model
In order to solve the technical problems in the background technology, the utility model provides a lepidolite beneficiation system.
The utility model provides a lepidolite ore dressing system which is mainly used for dressing muscovite granite ore materials and comprises grading equipment before entering grinding, ore grinding equipment, material grading equipment, pretreatment equipment before dressing, flotation equipment, flotation tailing treatment equipment, feldspar fine powder treatment equipment and lepidolite concentrate treatment equipment;
The material classification equipment before grinding carries out first classification on the material, the undersize material is sent to the material classification equipment for second classification, the undersize material is sent to the pretreatment equipment before selecting by the material classification equipment for impurity removal and desliming, and the oversize material of the material classification equipment before grinding and the undersize material of the material classification equipment is sent to the ore grinding equipment for grinding;
the ore grinding equipment is a ball mill, oversize materials of the classifying equipment before entering the mill enter the ball mill, undersize materials and discharge materials of the ball mill enter a slurry pump pool together, and are sent into the material classifying equipment through a pipeline by a slurry pump;
The method comprises the steps that a first discharge hole of a pretreatment device before separation is connected with a feldspar fine powder treatment device to obtain feldspar fine powder, a second discharge hole of the pretreatment device before separation is connected with a flotation device, and multistage flotation is carried out on materials through the flotation device;
the first discharge port of the flotation equipment is connected with the lepidolite concentrate treatment equipment to obtain lepidolite concentrate, the second discharge port of the flotation equipment is connected with the flotation tailing treatment equipment, and iron slag and moisture in tailings are removed through the flotation tailing treatment equipment to obtain feldspar concentrate and tantalum tin concentrate.
As a further optimized scheme of the utility model, the material classifying equipment comprises a hydrocyclone and a high-frequency fine screen, wherein a feed inlet of the hydrocyclone is connected with a discharge port of the ore grinding equipment and is used for primarily classifying the discharge of the ore grinding equipment, underflow materials of the hydrocyclone are returned to the ore grinding equipment to continue ore grinding, overflow of the hydrocyclone is connected with a feed inlet of the high-frequency fine screen and is used for screening overflow of the hydrocyclone, undersize materials of the high-frequency fine screen are returned to the ore grinding equipment to continue ore grinding with a feed inlet of the pre-selection pretreatment equipment.
As a further optimized scheme of the utility model, the pre-separation pretreatment equipment comprises impurity removal equipment, a first-stage hydrocyclone and a second-stage hydrocyclone, wherein a feed inlet of the impurity removal equipment is connected with a discharge outlet of the material classification equipment, iron slag is discharged from a slag outlet of the impurity removal equipment, a tailing outlet of the impurity removal equipment is connected with a feed inlet of the first-stage hydrocyclone, the first-stage desliming is carried out, an underflow of the first-stage hydrocyclone is connected with a feed inlet of the second-stage hydrocyclone, the second-stage desliming is carried out, an overflow outlet of the second-stage hydrocyclone is connected with a feed inlet of the feldspar fine powder treatment equipment, and a discharge outlet of the second-stage hydrocyclone is connected with a feed inlet of the flotation equipment.
As a further optimized scheme of the utility model, the flotation equipment comprises a roughing flotation machine, a first fine flotation machine, a second fine flotation machine, a first scavenging flotation machine and a second scavenging flotation machine;
The feed inlet of the roughing flotation machine is connected with the discharge outlet of the pretreatment equipment before separation, the feed inlet of the first concentrating flotation machine is connected with the concentrate discharge outlet of the roughing flotation machine, and the tailing discharge outlet of the first concentrating flotation machine is connected with the feed inlet of the roughing flotation machine;
The feed inlet of the second concentrating flotation machine is connected with the concentrate discharge inlet of the first concentrating flotation machine, the tailing discharge inlet of the second concentrating flotation machine is connected with the feed inlet of the first concentrating flotation machine, and the concentrate discharge inlet of the second concentrating flotation machine is connected with the feed inlet of the lepidolite concentrate treatment equipment;
The tailing discharge port of the rougher is connected with the feed port of the first scavenger flotation machine, the concentrate discharge port of the first scavenger flotation machine is connected with the feed port of the rougher flotation machine, the tailing discharge port of the first scavenger flotation machine is connected with the feed port of the second scavenger flotation machine, the tailing discharge port of the second scavenger flotation machine is connected with the feed port of the flotation tailing treatment equipment, and the concentrate discharge port of the second scavenger flotation machine is connected with the feed port of the first scavenger flotation machine.
As a further optimized scheme of the utility model, the flotation tailing treatment equipment comprises a high-gradient magnetic separator and a gravity dressing equipment, wherein a feed inlet of the high-gradient magnetic separator is connected with a second discharge outlet of the flotation equipment, feldspar concentrate in tailings is screened out by the high-gradient magnetic separator, a tailing discharge outlet of the high-gradient magnetic separator is connected with a feed inlet of the gravity dressing equipment, tailings are subjected to gravity dressing by the gravity dressing equipment, and tantalum-tin concentrate is obtained and iron slag is discharged.
As a further optimized scheme of the utility model, the utility model also comprises fine mud treatment equipment for thickening the overflow of the ore pulp, removing iron slag from the ore pulp and dehydrating fine feldspar powder.
The lepidolite beneficiation system provided by the utility model has the following beneficial effects:
Through the combined design of the grading equipment before entering grinding, the ore grinding equipment, the material grading equipment, the pretreatment equipment before separation, the flotation equipment, the flotation tailing treatment equipment, the feldspar fine powder treatment equipment and the lepidolite ore concentrate treatment equipment, the grinding, multistage screening and flotation of the muscovite granite ore materials can be realized, so that feldspar fine powder, lepidolite ore concentrate, feldspar ore concentrate and tantalum tin ore concentrate products are obtained, the produced minerals are conveniently selected and classified, the ore concentrate recovery rate is improved, and the actual ore dressing cost is reduced.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Description of the drawings: 1. classifying equipment before grinding; 2. a grinding apparatus; 3. a material classification device; 31. a hydrocyclone; 32. high-frequency fine screening; 4. pre-selection pretreatment equipment; 41. impurity removing equipment; 42. a first stage hydrocyclone; 43. a two-stage hydrocyclone; 5. a flotation device; 51. a rougher flotation machine; 52. a first beneficiation flotation machine; 53. a second concentrating flotation machine; 54. a first scavenger flotation machine; 55. a second scavenger flotation machine; 6. a flotation tailings treatment facility; 61. a high gradient magnetic separator; 62. gravity mineral separation equipment; 7. feldspar fine powder treatment equipment; 8. lepidolite concentrate processing equipment.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar symbols indicate like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model.
It is to be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counter-clockwise," "axial," "radial," "circumferential," and the like are directional or positional relationships as indicated based on the drawings, merely to facilitate describing the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
Referring to fig. 1, a lepidolite ore dressing system is mainly used for dressing muscovite granite ore materials (with granularity of 0-12 mm), and specifically comprises a grading device 1 before grinding, a grinding device 2, a material grading device 3, a pretreatment device 4 before dressing, a flotation device 5, a flotation tailing treatment device 6, a feldspar fine powder treatment device 7 and a lepidolite concentrate treatment device 8;
The pre-grinding classification equipment 1 classifies materials for the first time, the undersize materials are sent to the material classification equipment 3 for the second time, the material classification equipment 3 sends the undersize materials to the pre-selecting pretreatment equipment 4 for impurity removal and desliming, and the oversize materials of the pre-grinding classification equipment 1 and the material classification equipment 3 are sent to the ore grinding equipment 2 for grinding;
specifically, the pre-grinding classification equipment 1 is a linear vibrating screen, a screen upper discharge port of the pre-grinding classification equipment 1 is connected with a feed port of the ore grinding equipment 2, a screen lower discharge port of the pre-grinding classification equipment 1 is connected with the material classification equipment 3 so as to classify the materials which are qualified for crushing, the oversize materials of the material classification equipment 3 flow back into the ore grinding equipment 2 for crushing again, and the undersize materials of the material classification equipment 3 enter the pre-selecting pretreatment equipment 4 for impurity removal and desliming;
Specifically, the ore grinding equipment 2 is a ball mill, the oversize materials of the classifying equipment 1 before entering the mill enter the ball mill, the undersize materials enter a slurry pump pool together with the discharge materials of the ball mill, and the slurry pump is used for feeding the materials into the material classifying equipment 3 through a pipeline;
further, the ore grinding apparatus 2 is preferably 2 ball mills with a throughput of 400-500 t/h;
The first discharge port of the pre-separation pretreatment equipment 4 is connected with the feldspar fine powder treatment equipment 7 to obtain the feldspar fine powder, the second discharge port of the pre-separation pretreatment equipment 4 is connected with the flotation equipment 5, and the materials are subjected to multistage flotation through the flotation equipment 5;
The first discharge port of the flotation equipment 5 is connected with a lepidolite concentrate treatment equipment 8 to obtain lepidolite concentrate, the second discharge port of the flotation equipment 5 is connected with a flotation tailing treatment equipment 6, and iron slag and moisture in tailings are removed through the flotation tailing treatment equipment 6 to obtain feldspar concentrate and tantalum tin concentrate;
The lepidolite concentrate processing equipment 8 is a vacuum belt filter;
The system also comprises fine mud treatment equipment for thickening the overflow of the ore pulp, removing iron slag from the ore pulp and dehydrating fine feldspar powder;
Specifically, the fine mud treatment equipment comprises a thickener, a magnetic separator and a plate-and-frame filter press, wherein ore pulp overflows and is thickened through the thickener, iron slag is removed from the ore pulp through the magnetic separator, the ore pulp is dehydrated through the plate-and-frame filter press, and fine feldspar powder and iron tailings are finally obtained through treatment;
further, the magnetic separation field intensity of the magnetic separator is 1.3-1.5T;
The thickener is a fine mud deep cone thickener, the diameter is 24m, the concentration of overflow pulp is less than 0.05%, and the concentration of underflow pulp is more than 25%;
In this embodiment, the material classifying device 3 includes a hydrocyclone 31 and a high-frequency fine screen 32, where a feed inlet of the hydrocyclone 31 is connected with a discharge outlet of the ore grinding device 2, and is used for primarily classifying the discharge of the ore grinding device 2, an underflow material of the hydrocyclone 31 returns to the ore grinding device 2 to continue grinding, an overflow of the hydrocyclone 31 is connected with a feed inlet of the high-frequency fine screen 32, and is used for screening the overflow of the hydrocyclone 31, an undersize material of the high-frequency fine screen 32 and a feed inlet of the pre-selection pretreatment device 4, and an oversize material returns to the ore grinding device 2 to continue grinding;
Specifically, the high-frequency fine screen 32 is an eight-layer resonance type double-vibration screen, wherein A=0.35 mm, and the granularity of the undersize product is 0-0.074mm and accounts for 40-45%;
In the embodiment, the pretreatment equipment 4 before separation comprises a impurity removing equipment 41, a first-stage hydrocyclone 42 and a second-stage hydrocyclone 43, wherein a feed inlet of the impurity removing equipment 41 is connected with a discharge outlet of the material classifying equipment 3, iron slag is discharged from a slag outlet of the impurity removing equipment 41, a tailing outlet of the impurity removing equipment 41 is connected with a feed inlet of the first-stage hydrocyclone 42, a first-stage desliming is carried out for removing most of fine mud, overflow enters a fine mud deep cone thickener for thickening, an underflow of the first-stage hydrocyclone 42 is connected with a feed inlet of the second-stage hydrocyclone 43, a second-stage desliming is carried out, fine mud in ore pulp is further removed, lepidolite flotation recovery rate is improved, an overflow outlet of the second-stage hydrocyclone 43 is connected with a feed inlet of the feldspar fine powder processing equipment 7, and a discharge outlet of the second-stage hydrocyclone 43 is connected with a feed inlet of the flotation equipment 5;
Specifically, the impurity removing device 41 is a permanent magnet low intensity magnetic separator, the field intensity is 3000-4000 GS, and a feed inlet of the impurity removing device 41 is connected with a undersize material discharge port of the high-frequency fine screen 32 and is used for removing iron slag contained in materials;
Specifically, the overflow port of the two-stage hydrocyclone 43 is connected with the feed port of the feldspar fine powder treatment equipment 7 through a fine mud deep cone thickener for thickening overflow ore pulp, the underflow of the fine mud deep cone thickener is connected with the feed port of the magnetic separator for removing iron slag contained in ore pulp, the iron slag is dehydrated to obtain iron tailings, the tailing discharge port of the magnetic separator is connected with the feed port of the feldspar fine powder treatment equipment 7, the overflow of the fine mud deep cone thickener is used as mineral separation backwater, the underflow of the fine mud deep cone thickener enters a plate-and-frame filter press for solid-liquid separation of feldspar fine powder, moisture is removed, and finally the feldspar fine powder product with qualified water content is obtained;
Further, the granularity of the overflow pulp of the two-stage hydrocyclone 43 is-0.038 mm 95%, the concentration of the overflow pulp is less than 0.05%, and the concentration of the underflow pulp is more than 25%;
In the present embodiment, the flotation plant 5 comprises a rougher flotation machine 51, a first pick flotation machine 52, a second pick flotation machine 53, a first scavenger flotation machine 54, a second scavenger flotation machine 55;
The feed inlet of the rougher flotation machine 51 is connected with the discharge outlet of the pretreatment equipment 4 before flotation, the feed inlet of the rougher flotation machine 51 is connected with the discharge outlet of the two-stage hydrocyclone 43 for carrying out primary treatment on qualified materials, and lepidolite rough concentrate can be obtained through the equipment;
The feed inlet of the first concentrating flotation machine 52 is connected with the concentrate discharge outlet of the roughing flotation machine 51 and is used for further processing the rough concentrate product from the roughing flotation machine 51, further improving the grade of the required product, and the tailing discharge outlet of the first concentrating flotation machine 52 is connected with the feed inlet of the roughing flotation machine 51 and returns to roughing, so that lepidolite in ore pulp is further recovered;
The feed inlet of the second concentrating flotation machine 53 is connected with the concentrate discharge inlet of the first concentrating flotation machine 52 and is used for improving the grade of the concentrate after the first concentrating to meet the grade requirement of the final concentrate, the tailing discharge inlet of the second concentrating flotation machine 53 is connected with the feed inlet of the first concentrating flotation machine 52, the tailings produced after the second concentrating are returned to the first concentrating flotation machine 52 for continuous sorting, the concentrate discharge inlet of the second concentrating flotation machine 53 is connected with the feed inlet of the lepidolite concentrate processing equipment 8, and the concentrate moisture is removed to obtain the lepidolite concentrate with qualified final moisture content;
The tailings discharge port of the rougher flotation machine 51 is connected with the feed port of the first scavenger flotation machine 54 for further recovering useful minerals in the tailings, the concentrate discharge port of the first scavenger flotation machine 54 is connected with the feed port of the rougher flotation machine 51, the concentrate obtained by the first scavenger flotation returns to the rougher flotation machine 51, the tailings discharge port of the first scavenger flotation machine 54 is connected with the feed port of the second scavenger flotation machine 55, the tailings discharge port of the second scavenger flotation machine 55 is connected with the feed port of the flotation tailings treatment equipment 6, and the concentrate discharge port of the second scavenger flotation machine 55 is connected with the feed port of the first scavenger flotation machine 54 for reducing the lepidolite content in the tailings and improving the lepidolite recovery rate;
In the embodiment, the flotation tailing treatment equipment 6 comprises a high-gradient magnetic separator 61 and a gravity dressing equipment 62, wherein a feed inlet of the high-gradient magnetic separator 61 is connected with a second discharge outlet of the flotation equipment 5, feldspar concentrate in tailings is screened out through the high-gradient magnetic separator 61, a tailings discharge outlet of the high-gradient magnetic separator 61 is connected with a feed inlet of the gravity dressing equipment 62, tailings are subjected to gravity dressing through the gravity dressing equipment 62, tantalum-tin concentrate is obtained, and iron slag is discharged;
Specifically, the feed inlet of the high gradient magnetic separator 61 is connected with the tailing discharge outlet of the second scavenging flotation machine 55, for removing iron slag in the tailings;
Further, carrying out primary solid-liquid separation on the material subjected to iron slag removal through a second hydrocyclone, enabling overflow of the second hydrocyclone to enter a thickener for thickening, filtering underflow of the second hydrocyclone and underflow of the thickener through a filter, enabling overflow clear water of the thickener to be used as beneficiation return water, and filtering to finally obtain a feldspar concentrate product;
The iron slag selected by the high gradient magnetic separator 61 is subjected to gravity dressing equipment 62 for gravity dressing, two sections of cloth paving chute are adopted for gravity dressing, one roughing and one scavenging, one shaking table concentration and one shaking table check, and finally, the iron slag is filtered by a vacuum belt filter to obtain tantalum-tin concentrate and iron tailings;
Further, the gravity dressing equipment 62 comprises a roughing cloth paving chute, a scavenging cloth paving chute, a shaking table and a thickening box;
The concentrate discharge port of the high gradient magnetic separator 61 is connected with the inlet of the thickener box for improving the concentration of the ore pulp so as to facilitate the subsequent equipment treatment;
The ore pulp outlet of the thickening box is connected with the inlet of the roughing laying chute and is used for separating tantalum-tin ore and iron tailings, and the tailing discharge port of the roughing laying chute is connected with the inlet of the scavenging laying chute and is used for further recovering tantalum-tin ore in the iron tailings;
The ore concentrate ports of the roughing spreading chute and the scavenging spreading chute are connected with the feeding port of the shaking table for improving the grade of tantalum-tin concentrate, and qualified tantalum-tin concentrate is finally obtained through the concentration of the shaking table and the check of the shaking table, the tailing ore port of the shaking table is connected with the feeding port of the roughing spreading chute, and the tailing of the shaking table returns to the spreading chute through a pipeline.
In summary, according to the lepidolite ore dressing system provided by the utility model, the grinding, multi-stage screening and floatation of the lepidolite granite ore materials can be realized through the combined design of the grading equipment 1 before entering grinding, the ore grinding equipment 2, the material grading equipment 3, the pretreatment equipment 4 before dressing, the floatation equipment 5, the floatation tailing treatment equipment 6, the feldspar fine powder treatment equipment 7 and the lepidolite ore concentrate treatment equipment 8, so that the products of the feldspar fine powder, the lepidolite ore concentrate, the feldspar ore concentrate and the tantalum tin ore concentrate are obtained, the concentration and classification of the produced minerals are convenient, the concentrate recovery rate is improved, and the actual ore dressing cost is reduced.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. The lepidolite ore dressing system is characterized by comprising pre-dressing pretreatment equipment (4), flotation equipment (5), flotation tailing treatment equipment (6), feldspar fine powder treatment equipment (7) and lepidolite ore concentrate treatment equipment (8);
The pre-separation pretreatment equipment (4) is connected with the feldspar fine powder treatment equipment (7) to obtain the feldspar fine powder, the pre-separation pretreatment equipment (4) is connected with the flotation equipment (5), and the materials are subjected to multistage flotation through the flotation equipment (5);
The flotation equipment (5) is connected with the lepidolite concentrate treatment equipment (8) to obtain lepidolite concentrate, the flotation equipment (5) is connected with the flotation tailing treatment equipment (6), and iron slag and moisture in tailings are removed through the flotation tailing treatment equipment (6) to obtain feldspar concentrate and tantalum-tin concentrate.
2. The lepidolite mineral processing system according to claim 1, further comprising a pre-grinding classification device (1), a grinding device (2) and a material classification device (3), wherein the pre-grinding classification device (1) classifies materials for the first time, the undersize materials are sent into the material classification device (3) for the second time, the material classification device (3) sends the undersize materials into the pre-selection pretreatment device (4) for impurity removal and desliming, and the oversize materials of the pre-grinding classification device (1) and the material classification device (3) are sent into the grinding device (2) for crushing.
3. A lepidolite mineral processing system as claimed in claim 2, wherein the material classifying device (3) comprises a hydrocyclone (31) and a high frequency fine screen (32), the feed inlet of the hydrocyclone (31) is connected with the discharge outlet of the ore grinding device (2) for primary classification of the discharge of the ore grinding device (2), the underflow material of the hydrocyclone (31) is returned to the ore grinding device (2) for continuous ore grinding, the overflow of the hydrocyclone (31) is connected with the feed inlet of the high frequency fine screen (32) for screening the overflow of the hydrocyclone (31), the undersize material of the high frequency fine screen (32) is returned to the feed inlet of the pre-selection pretreatment device (4), and the oversize material is returned to the ore grinding device (2) for continuous ore grinding.
4. The lepidolite mineral separation system according to claim 2, wherein the pretreatment equipment (4) comprises a impurity removing equipment (41), a first-stage hydrocyclone (42) and a second-stage hydrocyclone (43), the feed inlet of the impurity removing equipment (41) is connected with the discharge inlet of the material classifying equipment (3), the slag outlet of the impurity removing equipment (41) discharges iron slag, the tailing inlet of the impurity removing equipment (41) is connected with the feed inlet of the first-stage hydrocyclone (42), the first-stage desliming is carried out, the underflow of the first-stage hydrocyclone (42) is connected with the feed inlet of the second-stage hydrocyclone (43), the second-stage desliming is carried out, the overflow inlet of the second-stage hydrocyclone (43) is connected with the feed inlet of the feldspar fine powder treatment equipment (7), and the discharge inlet of the second-stage hydrocyclone (43) is connected with the feed inlet of the flotation equipment (5).
5. A lepidolite beneficiation system in accordance with claim 1, wherein the flotation device (5) comprises a rougher flotation machine (51), a first beneficiation flotation machine (52), a second beneficiation flotation machine (53), a first scavenger flotation machine (54), a second scavenger flotation machine (55);
The feed inlet of the roughing flotation machine (51) is connected with the feed outlet of the pretreatment equipment (4) before separation, the feed inlet of the first concentrating flotation machine (52) is connected with the concentrate feed outlet of the roughing flotation machine (51), and the tailing feed outlet of the first concentrating flotation machine (52) is connected with the feed inlet of the roughing flotation machine (51);
The feed inlet of the second concentrating flotation machine (53) is connected with the concentrate discharge inlet of the first concentrating flotation machine (52), the tailing discharge inlet of the second concentrating flotation machine (53) is connected with the feed inlet of the first concentrating flotation machine (52), and the concentrate discharge inlet of the second concentrating flotation machine (53) is connected with the feed inlet of the lepidolite concentrate processing equipment (8);
The tailings discharge port of the rougher flotation machine (51) is connected with the feed port of the first scavenger flotation machine (54), the concentrate discharge port of the first scavenger flotation machine (54) is connected with the feed port of the rougher flotation machine (51), the tailings discharge port of the first scavenger flotation machine (54) is connected with the feed port of the second scavenger flotation machine (55), the tailings discharge port of the second scavenger flotation machine (55) is connected with the feed port of the flotation tailings treatment equipment (6), and the concentrate discharge port of the second scavenger flotation machine (55) is connected with the feed port of the first scavenger flotation machine (54).
6. The lepidolite beneficiation system according to claim 1, wherein the flotation tailing treatment equipment (6) comprises a high-gradient magnetic separator (61) and a gravity beneficiation equipment (62), a feed port of the high-gradient magnetic separator (61) is connected with a second discharge port of the flotation equipment (5), feldspar concentrate in tailings is screened out through the high-gradient magnetic separator (61), a tailings discharge port of the high-gradient magnetic separator (61) is connected with a feed port of the gravity beneficiation equipment (62), tailings are subjected to gravity beneficiation through the gravity beneficiation equipment (62), tantalum-tin concentrate is obtained, and iron slag is discharged.
7. A lepidolite beneficiation system in accordance with any one of claims 1 to 6, further comprising fine mud treatment means for thickening of the slurry overflow, de-ironing of the slurry and dewatering of the fine feldspar powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322359645.1U CN220879190U (en) | 2023-08-31 | 2023-08-31 | Lepidolite ore dressing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322359645.1U CN220879190U (en) | 2023-08-31 | 2023-08-31 | Lepidolite ore dressing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220879190U true CN220879190U (en) | 2024-05-03 |
Family
ID=90870244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322359645.1U Active CN220879190U (en) | 2023-08-31 | 2023-08-31 | Lepidolite ore dressing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220879190U (en) |
-
2023
- 2023-08-31 CN CN202322359645.1U patent/CN220879190U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103143432B (en) | Efficient crushing and three-section type screening method of coking coal gravity middings | |
| CN111250259B (en) | Titanium selection process of olivine-containing vanadium titano-magnetite | |
| CN102430481B (en) | Sorting process for high-ash and difficult-separation coal slime | |
| CN110201791B (en) | Comprehensive utilization method of sandy kaolin tailings containing tourmaline, muscovite and quartz sand | |
| CN108212506A (en) | A kind of classification pre-selection of magnetic-red-water chestnut compound iron ore, fine New Method for Sorting | |
| CN110449255B (en) | Fluorite lean ore color separation upgrading-tailing discarding preselection method | |
| CN110560258B (en) | Device and process for selecting ultra-clean coal by physical cyclone recovery jigging overflow coal slime | |
| CN108212507B (en) | Mineral processing technology for recovering fine grains and micro-fine grains of cassiterite from tailings | |
| CN112024110B (en) | Mineral separation method for pegmatite type spodumene | |
| CN104437825A (en) | Ore separation process for treating fine-grained slime-containing niobium ore | |
| CN105665122A (en) | Beneficiation method for recovering pyrites from coal gangue | |
| CN106583023A (en) | Beneficiation method for microgranular cassiterite | |
| CN110624686A (en) | Magnetite beneficiation process capable of fully releasing mill capacity | |
| CN102773150A (en) | Polymetallic (iron, tin and zinc) ore comprehensive recovery beneficiation method | |
| CN113769883A (en) | Spodumene ore dressing process | |
| CN109201315B (en) | Coal washing process capable of improving utilization rate | |
| WO2024045687A2 (en) | Method for pre-selection and discarding and reducing over-grinding of gold ores | |
| CN111715396A (en) | Copper-containing magnetite wet-type pre-selection grinding classification system and pre-selection process thereof | |
| CN210449500U (en) | Coal dressing and desliming system for coal slime reseparation | |
| CN220879190U (en) | Lepidolite ore dressing system | |
| CN111375482B (en) | Method for grading and sorting silico-calcic phosphate ore | |
| CN103100481B (en) | Separation method for natural copper ore with high mud content | |
| CN113953080B (en) | Mineral separation method of mixed iron ore | |
| CN113856890B (en) | Resource comprehensive utilization system and method for gold ore associated minerals | |
| CN212468475U (en) | Copper-containing magnetite wet-type pre-selection ore grinding grading system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |