CN219631569U - Preparation system of iron ore concentrate - Google Patents
Preparation system of iron ore concentrate Download PDFInfo
- Publication number
- CN219631569U CN219631569U CN202320490259.3U CN202320490259U CN219631569U CN 219631569 U CN219631569 U CN 219631569U CN 202320490259 U CN202320490259 U CN 202320490259U CN 219631569 U CN219631569 U CN 219631569U
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- concentrate
- ore
- iron ore
- equipment
- raw ore
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 86
- 239000012141 concentrate Substances 0.000 title claims abstract description 67
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 43
- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- 239000012535 impurity Substances 0.000 claims abstract description 15
- 238000007599 discharging Methods 0.000 claims abstract description 7
- 239000002562 thickening agent Substances 0.000 claims description 30
- 239000000843 powder Substances 0.000 claims description 20
- 230000005389 magnetism Effects 0.000 claims description 18
- 230000008719 thickening Effects 0.000 claims description 16
- 239000006148 magnetic separator Substances 0.000 claims description 13
- 239000002893 slag Substances 0.000 claims description 12
- 230000015572 biosynthetic process Effects 0.000 claims description 10
- 239000008187 granular material Substances 0.000 claims description 9
- 239000002516 radical scavenger Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000002000 scavenging effect Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 abstract description 21
- 238000000227 grinding Methods 0.000 abstract description 5
- 239000002245 particle Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 6
- 238000003756 stirring Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000002262 irrigation Effects 0.000 description 2
- 238000003973 irrigation Methods 0.000 description 2
- 239000010813 municipal solid waste Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 241001417527 Pempheridae Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007885 magnetic separation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
The utility model relates to the technical field of iron ore concentrate preparation, in particular to a preparation system of iron ore concentrate, which comprises raw ore grinding conveying equipment, wherein a plurality of ball mills are arranged at the conveying end of the raw ore grinding conveying equipment, a cyclone is arranged at the discharge end of the ball mill, a multi-stage separation equipment is arranged at the small particle discharge port of the cyclone, a bulk concentrate box is arranged at the discharge port of the multi-stage separation equipment, and tailing forming equipment is arranged at one stage of impurity discharging port of the multi-stage separation equipment. According to the preparation system of the iron ore concentrate, raw ore is crushed and conveyed through the raw ore crushing and conveying equipment, the raw ore is treated through the ball mill, the cyclone and the multi-stage separation equipment in a repeated cycle mode, so that impurities in the raw ore are separated from the iron ore concentrate in the maximum limit mode, and then the iron ore concentrate and the tailings are prepared through the cooperation of the tailings forming equipment and the iron ore concentrate forming equipment and the multi-stage separation equipment, and therefore the quality and the efficiency of the preparation can be effectively improved.
Description
Technical Field
The utility model relates to the technical field of iron concentrate preparation, in particular to a preparation system of iron concentrate.
Background
In many metal ores, the iron concentrate can be obtained after twice magnetic separation, the grade of the iron concentrate is always 60% -61%, and the recovery rate is about 65%, so that the selling price of the iron concentrate is low, and the economic benefit is poor. Therefore, an improvement on the preparation system of the iron concentrate is needed to improve the grade and recovery rate of the iron concentrate and improve the economic benefit.
At present, in the preparation process of the iron ore concentrate in the prior art, the raw ore needs to be treated, and the general treatment process is one time, so that the raw ore cannot be treated by circulating for multiple times and separating for multiple times, thereby reducing the separation of impurities in the raw ore and the iron ore concentrate, reducing the preparation quality of the iron ore concentrate, and reducing the preparation efficiency.
Disclosure of Invention
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a preparation system of iron ore concentrate, includes broken mill conveying equipment of raw ore, broken mill conveying equipment's of raw ore conveying end installs a plurality of ball mills, and the discharge end of ball mill is provided with the swirler, and the granule discharge gate department of swirler is provided with multistage sorting facilities, multistage sorting facilities feed opening department is provided with the bulk concentrate case, wherein one-level row of miscellaneous mouthful of multistage sorting facilities is provided with tailing formation equipment, and the discharge end of bulk concentrate case is provided with iron ore concentrate formation equipment, the big granule discharge gate of swirler is linked together through conveying equipment with the feed inlet department of ball mill.
Further, the raw ore crushing and grinding conveying equipment comprises two groups of raw ore conveying belts, wherein a high-pressure roller mill is arranged at the discharging end of one group of raw ore conveying belts, a powder ore conveying belt is arranged below the high-pressure roller mill and one group of raw ore conveying belts, a plurality of powder ore bins are arranged below the powder ore conveying belts, an ore collecting belt is arranged at the discharging opening of the powder ore bins, and the ore collecting belt is arranged at the feeding opening of the ball mill.
Further, multistage sorting equipment is including setting up the weak magnetic separator in swirler granule discharge gate department, and weak magnetic separator's the row miscellaneous department is provided with separates the slag screen, separates the discharge gate department of slag screen and is provided with strong magnetism rougher, and strong magnetism rougher's the miscellaneous department of row is provided with strong magnetism and sweeps the machine, weak magnetic separator, strong magnetism rougher and strong magnetism sweep the feed opening of machine and all communicate with the bulk concentrate case, the miscellaneous end of row of strong magnetism scavenging machine is linked together with tailing formation equipment.
Further, the tailings forming equipment comprises a filter press and an inclined plate thickener arranged at a trash outlet of the strong magnetic scavenger machine, wherein a thickener is arranged at an overflow outlet of the inclined plate thickener, and the thickener is connected with the filter press at a discharge port of the inclined plate thickener.
Further, the iron ore concentrate forming equipment comprises a first thick tank arranged at the discharging opening of the bulk concentrate box, an overflow pipe connected to one side of the first thick tank, a second thick tank arranged at the water outlet of the overflow pipe, and a disc filter arranged at the discharging opening of the second thick tank and the first thick tank.
Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:
according to the preparation system of the iron ore concentrate, raw ore is crushed and conveyed through the raw ore crushing and conveying equipment, the raw ore is treated through the ball mill, the cyclone and the multi-stage separation equipment in a repeated cycle mode, so that impurities in the raw ore are separated from the iron ore concentrate in the maximum limit mode, and then the iron ore concentrate and the tailings are prepared through the cooperation of the tailings forming equipment and the iron ore concentrate forming equipment and the multi-stage separation equipment, and therefore the quality and the efficiency of the preparation can be effectively improved.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model.
In the figure: 1. a raw ore conveying belt; 3. high-pressure roller mill; 4. a powder ore conveying belt; 5. a powder ore bin; 6. an ore collecting belt; 7. a stirring cylinder; 8. a cyclone; 9. ball mill; 10. a low intensity magnetic separator; 11. a slag separation screen; 12. a strong magnetic rougher; 13. a strong magnetic scavenger; 14. a bulk concentrate tank; 15. the first step of dense irrigation; 16. an overflow pipe; 17. the second step is thick irrigation; 18. a disc filter; 19. a sloping plate thickener; 20. a thickener; 21. and (3) a filter press.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, a system for preparing iron ore concentrate in this embodiment includes a raw ore grinding and conveying device, a plurality of ball mills 9 are installed at the conveying end of the raw ore grinding and conveying device, a cyclone 8 is provided at the discharge end of the ball mill 9, a multi-stage separation device is provided at the small particle discharge port of the cyclone 8, a bulk concentrate tank 14 is provided at the discharge port of the multi-stage separation device, a tailings forming device is provided at one stage of the multi-stage separation device, an iron ore concentrate forming device is provided at the discharge end of the bulk concentrate tank 14, and a large particle discharge port of the cyclone 8 is communicated with the feed port of the ball mill 9 via the conveying device.
In this structure, carry out crushing transport to ball mill 9 through the raw ore broken mill conveying equipment and handle, ball mill 9 is with the raw ore introduction that handles in cyclone 8, cyclone 8 can be with the great raw ore reintroduction of granule in ball mill 9 handle, the raw ore that accords with the granule size can be introduced into multistage sorting facilities and carry out the separation processing, can be with the impurity reintroduction in cyclone 8 in one of them stage of multistage sorting facilities handle, consequently can play and realize cyclic treatment to the raw ore, then form tailing and iron concentrate through tailing former and iron concentrate former, furthest separates iron concentrate and impurity in the raw ore, simultaneously can effectively improve the quality of iron concentrate and the efficiency of preparation.
In this embodiment, the broken mill conveying equipment of former ore deposit includes two sets of former ore deposit conveyer belt 1, and high-pressure roller mill 3 is installed to the unloading end of one set of former ore deposit conveyer belt 1, and powder ore conveyer belt 4 is installed to the below of high-pressure roller mill 3 and one set of former ore deposit conveyer belt 1, and the feed opening of powder ore conveyer belt 4 is provided with a plurality of powder ore bins 5, and the feed opening department of powder ore bin 5 is provided with collection ore belt 6, and collection ore belt 6 sets up the feed inlet department at ball mill 9, and the below of powder ore conveyer belt 4 is provided with churn 7. Raw ore is conveyed through two groups of raw ore conveying belts 1, one group of raw ore is conveyed into a high-pressure roller mill 3 for crushing, crushed raw ore and the other group of conveyed raw ore are concentrated, conveyed raw ore can be respectively conveyed into a stirring cylinder 7 and two ore powder bins 5 for collection, then the raw ore is guided into a ball mill 9 through an ore collecting belt 6 for conveying, and meanwhile, the stirring cylinder 7 conveys the raw ore to the next stage for processing, so that raw ore crushing and conveying are completed.
In this embodiment, multistage sorting facilities is including setting up the weak magnetic separator 10 in 8 granule discharge gates of swirler, the discharge site of weak magnetic separator 10 is provided with separates slag screen 11, the discharge gate of churn 7 is linked together with the feed inlet that separates slag screen 11, the discharge gate department that separates slag screen 11 is provided with strong magnetism rougher 12, the discharge site of strong magnetism rougher 12 is provided with strong magnetism and sweeps the machine 13, weak magnetic separator 10, strong magnetism rougher 12 and strong magnetism sweep the unloading mouth of machine 13 all communicate with bulk concentrate case 14, the discharge end of strong magnetism sweeps machine 13 is linked together with tailing formation equipment. The separated raw ore small particles are led into the low-intensity magnetic separator 10 through the cyclone 8 to be separated, and the separated impurities are fed into the slag separation sieve 11, the strong magnetic rougher 12 and the strong magnetic scavenger 13 for treatment step by step, so that the impurities in the raw ore and the bulk concentrate can be separated to the greatest extent, the quality of iron concentrate preparation can be improved, and meanwhile, the impurities can be treated under multiple groups of conditions, and the preparation efficiency can be effectively improved.
In this embodiment, the iron ore concentrate forming apparatus includes a first thick tank 15 disposed at a feed opening of the bulk concentrate tank 14, an overflow pipe 16 connected to one side of the first thick tank 15, a second thick tank 17 disposed at a water outlet of the overflow pipe 16, and a disc filter 18 disposed at the feed openings of the second thick tank 17 and the first thick tank 15. Concentrate is led into a first thickening tank 15 through a mixed concentrate tank 14 for concentration treatment, clarified liquid is led into a second thickening tank 17 through an overflow pipe 16 for precipitation concentration treatment, the internally concentrated mixed concentrate is led into a disc filter 18 through the first thickening tank 15 and the second thickening tank 17, and the mixed concentrate is separated and discharged through the disc filter 18, so that the formation and collection of the iron concentrate are completed.
In this embodiment, the tailings forming apparatus includes a filter press 21 and an inclined plate thickener 19 disposed at a trash outlet of the strong magnetic scavenger 13, a thickener 20 is disposed at an overflow outlet of the inclined plate thickener 19, a water inlet of the thickener 20 is communicated with an overflow outlet of the second thickener 17, and a discharge port of the thickener 20 and the inclined plate thickener 19 is connected with the filter press 21. The impurities in the final stage are led into the inclined plate thickener 19 through the strong magnetic scavenger 13 to be subjected to precipitation concentration treatment, the liquid overflowed from the inclined plate thickener 19 and the second thickening tank 17 is led into the thickener 20 to be subjected to precipitation concentration treatment at the same time, the liquid overflowed from the thickener 20 is returned to the circulating pool to be recycled, and the thickener 20 inputs the internal impurities into the filter press 21 to be subjected to treatment, so that the formation of tailings can be realized.
The working principle of the embodiment is as follows:
raw ore is conveyed through two groups of raw ore conveying belts 1, wherein one group of raw ore is conveyed into a high-pressure roller mill 3 to be crushed and fall onto a powder ore conveying belt 4, then the other group of raw ore conveying belts 1 conveys the raw ore onto the powder ore conveying belt 4, under the conveying of the powder ore conveying belt 4, the raw ore is respectively conveyed into two powder ore bins 5 and a stirring drum 7, the two groups of raw ore collecting belts 6 convey the raw ore into a ball mill 9 for treatment, the treated raw ore is conveyed into a cyclone 8 for separation, wherein smaller particles of the raw ore are conveyed into a weak magnetic separator 10 for separation, impurities are conveyed into a slag separation sieve 11 for separation again, meanwhile, the raw ore in the stirring drum 7 is conveyed into the slag separation sieve 11 again, the unqualified raw ore is conveyed into the cyclone 8 for circulation treatment according to the preparation flow, the raw ore screened in the slag separation sieve 11 is subjected to step-by-step separation by a strong magnetic rougher 12 and a strong magnetic sweeper 13, wherein the weak magnetic separator 10, the strong magnetic rougher 12 and the strong magnetic scavenger 13 can lead the separated mixed concentrate into the mixed concentrate box 14 for collection, the mixed concentrate box 14 leads the mixed concentrate into the first thickening tank 15 through a conveying device, the first thickening tank 15 leads overflowed liquid into the second thickening tank 17 through an overflow pipe 16, the mixed concentrate which is precipitated and concentrated through the first thickening tank 15 and the second thickening tank 17 is led into the disc filter 18 for treatment, thereby completing the formation and collection of the iron concentrate, the strong magnetic scavenger 13 can lead impurities into the inclined plate thickener 19 for treatment, meanwhile, the liquid overflowed from the second thickening tank 17 and the inclined plate thickener 19 can enter into the thickener 20 for in-out treatment, meanwhile, the liquid overflowed from the thickener 20 can flow back into a circulating pool for cyclic utilization, at the same time, the impurities precipitated and concentrated in the thickener 20 and the inclined plate thickener 19 are introduced into the filter press 21 to form tailings, thereby completing the preparation of iron ore concentrate and tailings.
The entire workflow is completed and what is not described in detail in this specification is well known to those skilled in the art.
It should be noted that in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a preparation system of iron ore concentrate which characterized in that: including broken mill conveying equipment of former ore deposit, a plurality of ball mills (9) are installed to broken mill conveying equipment's of former ore deposit conveying end, and the discharge end of ball mill (9) is provided with swirler (8), and the granule discharge gate department of swirler (8) is provided with multistage sorting facilities, multistage sorting facilities feed opening department is provided with bulk concentrate case (14), the one of them level of multistage sorting facilities arranges miscellaneous mouthful and is provided with tailing formation equipment, and the discharge end of bulk concentrate case (14) is provided with iron ore concentrate formation equipment, the big granule discharge gate of swirler (8) is linked together through conveying equipment with the feed inlet department of ball mill (9).
2. The iron ore concentrate preparation system according to claim 1, wherein: broken mill conveying equipment of former ore deposit includes two sets of former ore deposit conveyer belt (1), and high-pressure roller mill (3) are installed to the unloading end of one set of former ore deposit conveyer belt (1), and powder ore conveyer belt (4) are installed to the below of high-pressure roller mill (3) and one set of former ore deposit conveyer belt (1), and a plurality of powder ore bins (5) are installed to the below of powder ore conveyer belt (4), and the feed opening department of powder ore bin (5) is provided with collection ore belt (6), collection ore belt (6) set up the feed opening department at ball mill (9).
3. The iron ore concentrate preparation system according to claim 1, wherein: multistage sorting facilities is including setting up weak magnetic separator (10) in swirler (8) granule discharge gate department, and the row's of weak magnetic separator (10) is provided with separates slag screen (11), and the discharge gate department that separates slag screen (11) is provided with strong magnetism rougher (12), and the row's of strong magnetism rougher (12) is provided with strong magnetism and sweeps machine (13), the feed opening of weak magnetic separator (10), strong magnetism rougher (12) and strong magnetism scavenging machine (13) all communicates with bulk concentrate case (14), the row's of strong magnetism scavenging machine (13) miscellaneous end is linked together with tailing formation equipment.
4. A system for producing iron ore concentrate according to claim 3, characterized in that: the tailings forming equipment comprises a filter press (21) and an inclined plate thickener (19) arranged at the impurity discharging port of the strong magnetic scavenger (13), wherein a thickener (20) is arranged at the overflow port of the inclined plate thickener (19), and the thickener (20) is connected with the filter press (21) at the discharging port of the inclined plate thickener (19).
5. The iron ore concentrate preparation system according to claim 1, wherein: the iron ore concentrate forming equipment comprises a first thickening tank (15) arranged at the discharge opening of the bulk concentrate box (14), an overflow pipe (16) connected with one side of the first thickening tank (15), a second thickening tank (17) arranged at the water outlet of the overflow pipe (16), and a disc filter (18) arranged at the discharge openings of the second thickening tank (17) and the first thickening tank (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320490259.3U CN219631569U (en) | 2023-03-15 | 2023-03-15 | Preparation system of iron ore concentrate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320490259.3U CN219631569U (en) | 2023-03-15 | 2023-03-15 | Preparation system of iron ore concentrate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219631569U true CN219631569U (en) | 2023-09-05 |
Family
ID=87819221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320490259.3U Active CN219631569U (en) | 2023-03-15 | 2023-03-15 | Preparation system of iron ore concentrate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219631569U (en) |
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2023
- 2023-03-15 CN CN202320490259.3U patent/CN219631569U/en active Active
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