CN111841875A - Integrated type dense medium beneficiation process flow - Google Patents
Integrated type dense medium beneficiation process flow Download PDFInfo
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- CN111841875A CN111841875A CN202010541264.3A CN202010541264A CN111841875A CN 111841875 A CN111841875 A CN 111841875A CN 202010541264 A CN202010541264 A CN 202010541264A CN 111841875 A CN111841875 A CN 111841875A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
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Abstract
The invention discloses an integrated type dense medium beneficiation process flow, which comprises the following steps: preparing ores: conveying the-25 mm deslimed ores to an integrated heavy medium ore dressing unit through a belt conveyor; step two: inputting the ore in the step one into a desliming sieve, and washing the ore by spraying water, wherein the ore on the sieve falls into a mixing bin; the integrated type dense medium ore dressing process flow can provide a new option and thought for ore dressing; besides being suitable for land ore dressing, the method is also suitable for developing ocean ship ore dressing and river sand ship ore dressing. The method can be applied to mineral separation in river sand comprehensive utilization and sea reclamation projects, and can also be applied to coal separation in small coal mines. The integrated type dense medium beneficiation process comprises the following steps: low cost, large treatment capacity, environmental protection, high ore dressing efficiency and capability of greatly discarding the tailings in advance. Particularly, the technical characteristics are more required for the ore dressing of marine mining ships.
Description
Technical Field
The invention relates to a heavy medium mineral separation unit, in particular to an integrated heavy medium mineral separation process flow, and belongs to the technical field of mineral separation units.
Background
The mining resource situation is getting more and more severe, and is shown in the following: the increase of resource exploration reserves cannot keep up with the expanding demand of national economy day; increasingly, only lean ores, complex multi-metal associated ores, difficultly-beneficiated ores, small ores and mineral resources with high mining and beneficiation cost can be encountered; the comprehensive utilization degree of resources is low.
At present, the beneficiation of metal and non-metal ores (except coal mines) almost mainly adopts flotation, and the process defects mainly adopting flotation are as follows: the utilization degree of mining resources is restricted by the defects of high whole-ore crushing and grinding cost, large environmental pollution, large construction investment and the like; the gravity separation has the advantages of overcoming the defects of the flotation, realizing less grinding and no chemical agent, but the conventional gravity separation has large investment and no obvious technical and economic indexes and can not play a role.
Disclosure of Invention
The invention aims to provide an integrated type dense medium beneficiation process flow, which aims to solve the problems in the background art, realize more crushing and less grinding, take the advantages of conventional gravity separation into consideration and overcome the defects of the conventional gravity separation.
In order to achieve the purpose, the invention provides the following technical scheme: an integrated type dense medium beneficiation process flow comprises the following steps:
the method comprises the following steps: preparing ores: conveying the-mm deslimed ores to an integrated type heavy medium ore dressing unit through a belt conveyor;
Step two: inputting the ore in the step one into a desliming sieve, spraying water to wash the ore, enabling the ore on the sieve to fall into a mixing bin, and automatically flowing the waste water under the sieve into a waste water tank;
step three: uniformly mixing the ores processed in the step one and the mediums obtained in the step twelve with the ores in a mixing bin in proportion;
step four: the mixture in the third step is connected with a pipeline through a slurry pump and is conveyed to a cyclone, and the output of the cyclone is overflow containing light minerals and settled sand containing heavy minerals;
step five: inputting the overflow of the fourth step, which contains light minerals and media, into a medium separation bin for removing the media, and outputting the medium separation bin into concentrated medium liquid and ore medium liquid, wherein the concentrated medium liquid automatically flows to a main medium bin through a # pipeline;
step six: enabling the medium liquid obtained in the fifth step and the settled sand containing the heavy minerals obtained in the fourth step to flow into a medium removing sieve for medium removal through a chute; the output of the medium removing sieve is concentrated medium liquid and mineral medium liquid; the concentrated medium liquid automatically flows to a main medium bin through a # pipeline;
step seven: inputting the mineral medium liquid generated in the sixth step into a # medium removing sieve to generate concentrate, tailings and dilute medium liquid, wherein the dilute medium liquid automatically flows into a dilute medium bin through a # pipeline;
step eight: the medium liquid in the seventh dilute medium bin is conveyed to a magnetic separator through a second slurry pump and a # pipeline; the magnetic separator generates a concentrated medium and wastewater; the wastewater automatically flows into a wastewater tank through a pipeline;
Step nine: automatically flowing the concentrated medium in the step eight into a main medium bin through a # pipeline;
step ten: the third slurry pump inputs the medium in the main medium bin into the mixing bin in the third step through a # pipeline;
step eleven: the fourth slurry pump inputs the medium in the main medium bin into the dilute medium bin in the seventh step through a # pipeline, and a density instrument is installed on the # pipeline;
step twelve: an input water pipe is arranged above the main medium bin, and an electronic control valve is arranged on the water pipe; according to the measurement result of the densimeter, automatically supplementing water;
step thirteen: respectively outputting the concentrate and the tailings generated in the step seven to designated positions through a belt conveyor;
fourteen steps: the fifth slurry pump conveys the liquid in the liquid collecting pool to the dilute medium bin through a # pipeline;
step fifteen: the wastewater in the wastewater tank in the second step and the eighth step can be returned to the crushing and screening process of a dressing plant for water for dedusting and washing ores;
as a preferable technical scheme of the invention, the bottom of the main medium cabin is connected with a high-pressure air pipe of an air compressor, and the medium in the main medium cabin is kept in a suspension state by using high-pressure air flow when necessary.
As a preferred technical scheme of the invention, the substances output by the magnetic separator are concentrated medium and waste water.
As a preferable technical scheme of the invention, the # pipeline is provided with a demagnetizing device for demagnetizing.
As a preferred technical scheme of the invention, the belt conveyor is provided with an electronic belt scale for displaying the ore feeding amount per hour.
And as a preferred technical scheme of the invention, the wastewater in the step eight and the wastewater under the sieve in the step two are combined into a circulating water tank for recycling, or directly returned to a crushing and sieving mine washing machine.
As a preferred technical scheme of the invention, the trends of a series of ores, ore pulp and media are mainly from high to low and self-flowing, so that the energy consumption can be reduced, the conveying equipment can be reduced, and the occupied area can be saved.
And as a preferred technical scheme of the invention, the sorted materials are deslimed ores with the size less than 25mm, wide-size-fraction ore dressing is realized, and the wastewater in the step eight and the wastewater under the sieve in the step two are combined into a circulating water tank for recycling or directly returned to crushing, sieving and washing for mining.
Compared with the prior art, the invention has the beneficial effects that: the integrated type dense medium ore dressing process flow can provide a new option and thought for ore dressing; besides being suitable for land ore dressing, the method is also suitable for developing ocean ship ore dressing and river sand ship ore dressing. The river sand is comprehensively utilized, ore dressing is applied in sea filling engineering, the method can also be applied to small coal mines, and the integrated type dense medium ore dressing process comprises the following steps: the method has the advantages of low cost, large treatment capacity, environmental protection, high beneficiation efficiency and great tailing discarding requirement, and the technical characteristics are particularly required for the beneficiation of ocean mining and selecting ships.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
In the figure: 1. desliming and screening; 2. a mixing bin; 3. 1# slurry pump; 4. a swirler; 5. distributing and storing; 6. no. 1 medium removing sieve; 7. 2# medium removing sieve; 8. a main medium bin; 9. 3# slurry pump; 10. 4# slurry pump; 11. a demagnetizer; 12. 5# slurry pump; 13. an air compressor; 14. 2# slurry pump; 15. a magnetic separator; 16. a dilute medium bin; 17. a liquid collecting tank; 18. a densitometer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides an integrated type dense medium beneficiation process, which includes the following steps:
the method comprises the following steps: preparing ores: conveying the-25 mm deslimed ores to an integrated heavy medium ore dressing unit through a belt conveyor;
step two: inputting the ore in the step one into a desliming screen 1, spraying water to wash the ore, enabling the ore on the screen to fall into a mixing bin 2, and enabling the waste water under the screen to automatically flow into a waste water tank 19;
Step three: uniformly mixing the ores processed in the step one and the mediums obtained in the step twelve with the ores in the mixing bin 2 in proportion;
step four: the mixture in the third step is connected with a No. 1 pipeline through a No. 1 slurry pump 3 and is conveyed to a cyclone 4, the output of the cyclone 4 is overflow containing light minerals, and the settled sand contains heavy minerals;
step five: inputting the overflow of the fourth step, which contains light minerals and media, into a medium separation bin 5 for removing the media, and outputting the medium separation bin 5 into concentrated medium liquid and ore medium liquid, wherein the concentrated medium liquid automatically flows to a main medium bin 8 through a 2# pipeline;
step six: enabling the medium liquid obtained in the fifth step and the settled sand containing the heavy minerals in the fourth step to flow into a No. 1 medium removing sieve 6 through a chute for medium removal; the No. 1 medium removing sieve 6 outputs concentrated medium liquid and ore medium liquid; the concentrated medium liquid automatically flows to a main medium bin 8 through a 3# pipeline;
step seven: inputting the mineral medium liquid generated in the sixth step into a No. 2 medium removing sieve 7 to generate concentrate, tailings and dilute medium liquid, wherein the dilute medium liquid automatically flows into a dilute medium bin 16 through a No. 4 pipeline;
step eight: the medium liquid in the seventh dilute medium bin 16 is conveyed to a magnetic separator 15 through a second slurry pump 14 and a No. 5 pipeline; the magnetic separator 15 generates a concentrated medium and wastewater; the wastewater flows into the wastewater tank 19 through the pipeline;
Step nine: enabling the concentrated medium in the step eight to automatically flow into a main medium bin 8 through a No. 6 pipeline;
step ten: a third slurry pump 9 inputs the medium in the main medium bin into the third mixing bin 2 through a No. 7 pipeline;
step eleven: the fourth slurry pump 10 inputs the medium in the main medium bin 8 into the dilute medium bin 16 in the step seven through an 8# pipeline, and a density meter 18 is arranged on the 8# pipeline;
step twelve: an input water pipe is arranged above the main medium bin 8, and an electronic control valve is arranged on the water pipe; according to the measurement result of the densimeter 18, water is automatically supplemented;
step thirteen: respectively outputting the concentrate and the tailings generated in the step seven to designated positions through a belt conveyor;
fourteen steps: the fifth slurry pump 12 conveys the liquid in the liquid collecting tank 17 to the dilute medium bin 16 through a No. 9 pipeline;
step fifteen: the wastewater in the wastewater tank 19 in the second step and the eighth step can be returned to the crushing and screening process of a dressing plant for water for dedusting and washing;
preferably, the bottom of the main medium chamber 8 is connected to a high-pressure gas pipe of an air compressor 13, and if necessary, a high-pressure gas flow is used to keep the medium in the main medium chamber 8 in a suspended state.
Wherein, the substances output by the magnetic separator 15 are concentrated medium and waste water.
Furthermore, the No. 6 pipeline is provided with a demagnetizing device 11.
Furthermore, an electronic belt scale is arranged on the belt conveyor to display the ore feeding amount per hour.
And combining the wastewater in the step eight and the undersize wastewater in the step two into a circulating water tank for recycling, or directly returning the wastewater to crushing, screening and mining washing.
Wherein, a series of ore, ore pulp, medium trend is mainly from high to low, the flowing by oneself in position, can reduce the energy consumption like this, reduce conveying equipment, save area.
Furthermore, the separated materials are deslimed ores smaller than 25mm, and wide-size-fraction ore dressing is realized.
In combination, as shown in the figure,
1) in order to better perform the mineral separation of the dense medium, the process flow designs a checking desliming procedure in an ore preparation device;
2) in order to save power and shorten a pipeline, a series of free falling of ores and self-flowing of ore pulp are designed, and meanwhile, the blockage can be ensured not to occur easily, for example, the ores on the screen of the desliming screen, the concentrates of ore dressing and tailings are free falling, the products of the cyclone 4, the products of the medium separation bin 5, the products of the medium separation screen 6 and the medium separation screen 2 7 and the products of the magnetic separator 15 all flow by the dead weight of minerals or fluid;
3) two medium removing sieves are designed; a medium distributing bin 5; two medium bins (main medium bin 8, dilute medium bin 16); a mixing bin 2;
4) In order to save space, ensure high-speed circulation of system fluid and ensure that the process target is achieved, five slurry pumps are designed;
5) in order to ensure that the medium in the main medium bin 8 does not precipitate in individual time, an air compressor 13 is designed beside the main medium bin to blow air to the bottom of the main medium bin 8;
6) a demagnetizer 11 is designed on a dense medium pipeline output by the magnetic separator 15;
7) a density measuring instrument 18 is designed on an output pipeline of the fourth slurry pump 10;
8) a liquid collecting tank 17 is designed at the lower part of the whole system, and ores, media and overflow water in the liquid collecting tank 17 are collected and utilized by a fifth slurry pump 12;
9) and (3) outputting all the wastewater in a centralized manner: washing ore in the front or collecting the ore in a circulating pool and returning the ore;
the foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (8)
1. An integrated type dense medium beneficiation process flow is characterized by comprising the following steps:
The method comprises the following steps: preparing ores: conveying the-25 mm deslimed ores to an integrated heavy medium ore dressing unit through a belt conveyor;
step two: inputting the ore in the step one into a desliming screen (1), spraying water to wash the ore, enabling the ore on the screen to fall into a mixing bin (2), and enabling the waste water under the screen to automatically flow into a waste water tank (19);
step three: uniformly mixing the ores processed in the step one and the mediums from the step twelve in proportion in a mixing bin (2);
step four: the mixture in the third step is connected with a 1# pipeline through a 1# slurry pump (3) and is conveyed to a cyclone (4), the output of the cyclone (4) is overflow, wherein the overflow contains light minerals, and the settled sand contains heavy minerals;
step five: inputting the overflow of the fourth step, which contains light minerals and media, into a medium separation bin (5) for removing the media, outputting the medium separation bin (5) into concentrated medium liquid and ore medium liquid, wherein the concentrated medium liquid automatically flows to a main medium bin (8) through a 2# pipeline;
step six: enabling the medium liquid obtained in the fifth step and the settled sand containing the heavy minerals in the fourth step to flow into a No. 1 medium removing sieve (6) through a chute for medium removal; the output of the No. 1 medium removing sieve (6) is concentrated medium liquid and mineral medium liquid; the concentrated medium liquid automatically flows to a main medium bin (8) through a 3# pipeline;
step seven: inputting the mineral medium liquid generated in the sixth step into a No. 2 medium removing sieve (7) to generate concentrate, tailings and dilute medium liquid, wherein the dilute medium liquid automatically flows into a dilute medium bin (16) through a No. 4 pipeline;
Step eight: the medium liquid in the seventh dilute medium bin (16) is conveyed to a magnetic separator (15) through a second slurry pump (14) and a No. 5 pipeline; the magnetic separator (15) generates a concentrated medium and wastewater; the wastewater automatically flows into a wastewater tank (19) through a pipeline;
step nine: enabling the concentrated medium in the step eight to automatically flow into a main medium bin (8) through a No. 6 pipeline;
step ten: a third slurry pump (9) inputs the medium in the main medium bin into the third mixing bin (2) through a No. 7 pipeline;
step eleven: the fourth slurry pump (10) inputs the medium in the main medium bin (8) into the dilute medium bin (16) in the seventh step through an 8# pipeline, and a density meter (18) is installed on the 8# pipeline;
step twelve: an input water pipe is arranged above the main medium bin (8), and an electronic control valve is arranged on the water pipe; according to the measurement result of the densimeter (18), water is automatically supplemented;
step thirteen: respectively outputting the concentrate and the tailings generated in the step seven to designated positions through a belt conveyor;
fourteen steps: the fifth slurry pump (12) conveys the liquid in the liquid collecting pool (17) to the dilute medium bin (16) through a No. 9 pipeline;
step fifteen: the wastewater in the wastewater tank (19) in the second step and the eighth step can be returned to the crushing and screening process of a dressing plant for water for dedusting and washing ores;
2. the integrated type dense medium beneficiation process flow according to claim 1, wherein: the bottom of the main medium bin (8) is connected with a high-pressure air pipe of an air compressor (13), and high-pressure air flow is used for keeping the medium in the main medium bin (8) in a suspension state when necessary.
3. The integrated type dense medium beneficiation process flow according to claim 1, wherein: the substances output by the magnetic separator (15) are concentrated medium and waste water.
4. The integrated type dense medium beneficiation process flow according to claim 1, wherein: the No. 6 pipeline is provided with a demagnetizer (11).
5. The integrated type dense medium beneficiation process flow according to claim 1, wherein: an electronic belt scale is arranged on the belt conveyor to display the ore feeding amount per hour.
6. The integrated type dense medium beneficiation process flow according to claim 1, wherein: and (4) combining the wastewater in the step eight and the wastewater under the sieve in the step two into a circulating water tank for recycling, or directly returning the wastewater to crushing, sieving and washing the mine.
7. The integrated type dense medium beneficiation process flow according to claim 1, wherein: the trend of a series of ores, ore pulp and media is mainly from high to low and flows automatically, so that the energy consumption can be reduced, conveying equipment is reduced, and the occupied area is saved.
8. The integrated type dense medium beneficiation process flow according to claim 1, wherein: the separated materials are deslimed ores with the particle size of less than 25mm, and wide-size-fraction ore dressing is realized.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112916196A (en) * | 2020-12-29 | 2021-06-08 | 内蒙古黄岗矿业有限责任公司 | Mineral processing technology for obtaining independent copper and zinc concentrates from low-copper high-zinc sulfide ores |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004062809A1 (en) * | 2003-01-10 | 2004-07-29 | Bm Alliance Coal Operations Pty Ltd | Method and apparatus for processing particulate material |
| CN102489384A (en) * | 2011-12-07 | 2012-06-13 | 河南焦煤能源有限公司 | Integrally designed two-product dense medium separation process |
| CN103230829A (en) * | 2013-05-02 | 2013-08-07 | 唐山国华科技国际工程有限公司 | Method for guaranteeing high separation precision of coal slime heavy medium hydrocyclone |
| CN208928371U (en) * | 2018-09-14 | 2019-06-04 | 刘福峰 | A kind of integrated module type heavymedia separation unit |
| CN111250257A (en) * | 2020-03-03 | 2020-06-09 | 浙江兰溪市金昌矿业有限公司 | Separation system and process for fluorite ore containing barite |
-
2020
- 2020-06-15 CN CN202010541264.3A patent/CN111841875A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004062809A1 (en) * | 2003-01-10 | 2004-07-29 | Bm Alliance Coal Operations Pty Ltd | Method and apparatus for processing particulate material |
| CN102489384A (en) * | 2011-12-07 | 2012-06-13 | 河南焦煤能源有限公司 | Integrally designed two-product dense medium separation process |
| CN103230829A (en) * | 2013-05-02 | 2013-08-07 | 唐山国华科技国际工程有限公司 | Method for guaranteeing high separation precision of coal slime heavy medium hydrocyclone |
| CN208928371U (en) * | 2018-09-14 | 2019-06-04 | 刘福峰 | A kind of integrated module type heavymedia separation unit |
| CN111250257A (en) * | 2020-03-03 | 2020-06-09 | 浙江兰溪市金昌矿业有限公司 | Separation system and process for fluorite ore containing barite |
Non-Patent Citations (1)
| Title |
|---|
| 欧泽深 等: "《重介质选煤技术》", 31 January 2006, 中国矿业大学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112916196A (en) * | 2020-12-29 | 2021-06-08 | 内蒙古黄岗矿业有限责任公司 | Mineral processing technology for obtaining independent copper and zinc concentrates from low-copper high-zinc sulfide ores |
| CN112916196B (en) * | 2020-12-29 | 2022-08-23 | 内蒙古黄岗矿业有限责任公司 | Mineral processing technology for obtaining independent copper and zinc concentrates from low-copper high-zinc sulfide ores |
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