CN109798117A - The electromagnetic radiation recovery method and smelting process of nonferrous metals ore - Google Patents
The electromagnetic radiation recovery method and smelting process of nonferrous metals ore Download PDFInfo
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- CN109798117A CN109798117A CN201910199323.0A CN201910199323A CN109798117A CN 109798117 A CN109798117 A CN 109798117A CN 201910199323 A CN201910199323 A CN 201910199323A CN 109798117 A CN109798117 A CN 109798117A
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- nonferrous metals
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- 239000002184 metal Substances 0.000 title claims abstract description 128
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 128
- 150000002739 metals Chemical class 0.000 title claims abstract description 114
- 230000005670 electromagnetic radiation Effects 0.000 title claims abstract description 86
- 238000000034 method Methods 0.000 title claims abstract description 51
- 238000003723 Smelting Methods 0.000 title claims abstract description 36
- 238000011084 recovery Methods 0.000 title claims abstract description 23
- 230000008569 process Effects 0.000 title claims abstract description 22
- 239000002344 surface layer Substances 0.000 claims abstract description 41
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims abstract description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 16
- 229910052802 copper Inorganic materials 0.000 claims description 15
- 239000010949 copper Substances 0.000 claims description 15
- 238000000227 grinding Methods 0.000 claims description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 238000007790 scraping Methods 0.000 claims description 5
- 230000003647 oxidation Effects 0.000 claims description 4
- 238000007254 oxidation reaction Methods 0.000 claims description 4
- 238000009854 hydrometallurgy Methods 0.000 claims description 3
- 239000010410 layer Substances 0.000 claims description 3
- 230000001698 pyrogenic effect Effects 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 25
- 238000006213 oxygenation reaction Methods 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 4
- 239000011435 rock Substances 0.000 description 22
- OMZSGWSJDCOLKM-UHFFFAOYSA-N copper(II) sulfide Chemical compound [S-2].[Cu+2] OMZSGWSJDCOLKM-UHFFFAOYSA-N 0.000 description 9
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 7
- 239000005751 Copper oxide Substances 0.000 description 7
- 229910000431 copper oxide Inorganic materials 0.000 description 7
- 238000005065 mining Methods 0.000 description 7
- 239000002893 slag Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 229910000960 colored gold Inorganic materials 0.000 description 2
- 238000010494 dissociation reaction Methods 0.000 description 2
- 230000005593 dissociations Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000722270 Regulus Species 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- XWHPIFXRKKHEKR-UHFFFAOYSA-N iron silicon Chemical compound [Si].[Fe] XWHPIFXRKKHEKR-UHFFFAOYSA-N 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
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- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses the electromagnetic radiation recovery method and smelting process of a kind of nonferrous metals ore, the electromagnetic radiation recovery method of the nonferrous metals ore includes: to carry out electromagnetic radiation to nonferrous metals ore ore body；The surface layer of the nonferrous metals ore ore body after electromagnetic radiation is sequentially removed until having exploited the nonferrous metals ore ore body.The electromagnetic radiation recovery method of nonferrous metals ore of the invention is by improving the non-ferrous metal oxygenation efficiency in nonferrous metals ore and reducing the granularity for producing nonferrous metals ore, offset the high energy consumption of electromagnetic radiation, mining-ore dressing-smelting energy consumption can be even reduced on the whole, so that electromagnetic radiation exploitation nonferrous metals ore has economically advantage, the value with practical application.
Description
Technical field
The present invention relates to mining technique fields, more particularly, to a kind of electromagnetic radiation recovery method of nonferrous metals ore
And smelting process.
Background technique
Blasting procedure and mechanical rock breaking method are the main methods currently used for fractured rock, but above-mentioned broken rock mode is to protolith
Perturbation it is big, be easy to cause the periphery rock failure mechanism of rock, there are supportings it is difficult, fractured rock lumpiness is uneven the disadvantages of, and will
Above-mentioned broken rock mode realizes that mechanization and automation difficulty are larger.
Electromagnetic radiation Rock Technology is the emerging technology of a great potential, is mainly used for cutting rock, broken rock, tunnel excavation,
Electromagnetic radiation is carried out to rock using electromagnetic generator, a large amount of microfissures are formed inside rock mass, to significantly reduce whole
The mechanical property of body ore-rock, makes it possible efficient continuous mechanical detritus and mining.
Microwave-assisted breaking technique for rock is disclosed in the related technology, and rock is radiated with fracturing rock in advance by microwave
Stone reduces the mechanical property of rock, improves efficiency of breaking rock, reduces broken rock cost.However, the energy consumption of electromagnetic radiation detritus is high, limit
The application of the technology is made.
Summary of the invention
The application is to be made based on inventor to the discovery of following facts and problem and understanding:
Nonferrous metals ore is that modern industry, agricultural, national defence and science and technology are indispensable, be widely used in various alloys,
It is to develop irreplaceable basic of high-tech on machinery, ship, electrical, chemical industry, automobile, aircraft, military project and consumer appliance
Raw material.Nonferrous metals ore is after mining, it usually needs ore dressing is carried out to it, to carry out subsequent smelting.By taking copper mine as an example, in smelting
During refining, copper sulfide is oxidized to copper oxide first, and copper oxide is then reduced to blister copper.
Electromagnetic radiation is dug up mine since the device is complicated, and energy consumption is high, economically at high cost, limits practical application.However, invention
People has found that under conditions of heated certain chemical reaction occurs for nonferrous metals ore, not using electromagnetic radiation irradiation nonferrous metals ore
It is same as irradiating common rocks using electromagnetic radiation, when common rocks are irradiated in electromagnetic radiation, is only capable of carrying out fracturing to common rocks, and
When nonferrous metals ore is irradiated in electromagnetic radiation, while carrying out fracturing to nonferrous metals ore, additionally it is possible to make nonferrous metals ore in electromagnetism
It is heated under radiation effects and certain chemical reaction occurs.By taking copper mine as an example, copper sulfide is heated under electromagnetic radiation, and one
The surface layer for dividing copper sulfide to be oxidized to copper oxide, especially ore body, the oxygenation efficiency of copper sulfide is higher, for this purpose, in subsequent smelting
In the process, energy consumption needed for can reducing copper sulfide oxidation, improves efficiency, to offset at least part energy of electromagnetic radiation
Consumption, so that the practical application of electromagnetic radiation mining has feasibility economically.In addition, exploiting non-ferrous metal using electromagnetic radiation
Mine, the nonferrous metallic ores produced have been broken into muck in recovery process, subsequent without such as jaw crusher
Equipment carry out muck, and the number of devices of ore grinding can be reduced, further reduced energy consumption.Therefore, subsequent by reducing
The energy consumption of the energy consumption and smelting of ore dressing and ore grinding, can offset the high energy consumption of electromagnetic radiation, so that being exploited using electromagnetic radiation
The practical application of nonferrous metals ore is possibly realized.
For this purpose, one aspect of the present invention proposes that a kind of electromagnetic radiation recovery method of nonferrous metals ore, this method pass through
It improves the non-ferrous metal oxygenation efficiency in nonferrous metals ore and reduces the granularity for producing nonferrous metals ore, offset the height of electromagnetic radiation
Energy consumption, it might even be possible to mining-ore dressing-smelting energy consumption is reduced on the whole, so that electromagnetic radiation exploitation nonferrous metals ore has
Economically advantage, the value with practical application.
Another aspect of the present invention also proposed a kind of smelting process of nonferrous metals ore.
The electromagnetic radiation recovery method of the nonferrous metals ore of embodiment according to a first aspect of the present invention includes:
Electromagnetic radiation is carried out to nonferrous metals ore ore body；
The surface layer of the nonferrous metals ore ore body after electromagnetic radiation is sequentially removed until having exploited the nonferrous metals ore mine
Body.
The electromagnetic radiation recovery method of nonferrous metals ore according to an embodiment of the present invention can be both crushed by electromagnetic radiation
Non-ferrous metal mine ore body can also make the surface layer of nonferrous metals ore be heated and certain chemical reaction, by taking copper mine as an example, copper sulfide occurs
It is heated and is oxidized to copper oxide, by sequentially removing the surface layer after electromagnetic radiation until having exploited, i.e., after being oxidized
Surface layer sequentially removes, and can be improved the non-ferrous metal oxygenation efficiency in nonferrous metals ore, to reduce the energy consumption of smelting process, thus
The high energy consumption of electromagnetic radiation can be offset, it might even be possible to mining-ore dressing-smelting energy consumption is reduced on the whole, so that electromagnetic radiation
Exploiting nonferrous metals ore has economically advantage, the value with practical application.
In some embodiments, the thickness on the surface layer removed every time is less than 300mm.
In some embodiments, the thickness on the surface layer removed every time is in the range of 30mm-100mm.
In some embodiments, it removes the surface layer of nonferrous metals ore ore body and electromagnetic radiation is carried out to nonferrous metals ore ore body
It carries out simultaneously.
In some embodiments, electromagnetic radiation is carried out to nonferrous metals ore ore body using electromagnetic wave generating device.
In some embodiments, the surface layer for scraping mine device and sequentially scraping off the nonferrous metals ore ore body is utilized.
In some embodiments, the nonferrous metals ore is copper mine.
The smelting process of the nonferrous metals ore of embodiment according to a second aspect of the present invention includes:
Electromagnetic radiation is carried out to nonferrous metals ore ore body；
The surface layer of the nonferrous metals ore ore body after electromagnetic radiation is sequentially removed until having exploited the nonferrous metals ore mine
Body；
Ore grinding is carried out to the nonferrous metals ore produced；
Nonferrous metals ore after ore grinding is subjected to pyrogenic process or hydrometallurgy.
The smelting process of nonferrous metals ore according to an embodiment of the present invention, by exploitation when to nonferrous metals ore ore body into
Row electromagnetic radiation, electromagnetic radiation can also make nonferrous metals ore is heated to chemically react while muck, by taking copper mine as an example,
Copper sulfide is heated and is oxidized to copper oxide；It, i.e., will be by oxygen by sequentially removing the surface layer after electromagnetic radiation until having exploited
Surface layer after change sequentially removes, and can be improved the non-ferrous metal oxygenation efficiency in nonferrous metals ore, to reduce the energy of smelting process
Consumption, so as to offset the high energy consumption of electromagnetic radiation, it might even be possible to reduce mining-ore dressing-smelting energy consumption on the whole；By right
The nonferrous metals ore produced carries out ore grinding, and the granularity of ore can be made further to become smaller, to make the useful mine for forming ore
Object and gangue mineral reach maximum dissociation, to the needs of granularity when being smelted with meeting.
In some embodiments, the oxidation stage of the pyrometallurgical smelting is carried out using oxygen bottom blown furnace.
In some embodiments, the nonferrous metals ore is copper mine.
Detailed description of the invention
Fig. 1 is the flow chart of the electromagnetic radiation recovery method of the nonferrous metals ore of embodiment according to the present invention.
Fig. 2 is the flow chart of the smelting process of the nonferrous metals ore of embodiment according to the present invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings.Below with reference to
The embodiment of attached drawing description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.At this
In the description of invention, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper",
"lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " clockwise ", " counterclockwise ",
The orientation or positional relationship of the instructions such as " axial direction ", " radial direction ", " circumferential direction " is to be based on the orientation or positional relationship shown in the drawings, and is only
For the convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must have specific side
Position is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
Below with reference to the accompanying drawings the electromagnetic radiation recovery method and smelting of nonferrous metals ore according to an embodiment of the present invention are described
Technique.
As shown in Figure 1, the electromagnetic radiation recovery method of nonferrous metals ore according to an embodiment of the present invention includes:
Electromagnetic radiation is carried out to nonferrous metals ore ore body；
The surface layer of the nonferrous metals ore ore body after electromagnetic radiation is sequentially removed until having exploited the nonferrous metals ore mine
Body.In other words, initial nonferrous metals ore ore body has the first surface layer, removes the first surface layer after electromagnetic radiation；Remove this
Behind one surface layer, nonferrous metals ore ore body has the second surface layer, then removes the second surface layer after electromagnetic radiation；Remove second table
After layer, nonferrous metals ore ore body has third surface layer, then removes the third surface layer ... ... after electromagnetic radiation until will have coloured gold
It is complete to belong to mine orebody mining.
The electromagnetic radiation recovery method of nonferrous metals ore according to an embodiment of the present invention can both have been made coloured by electromagnetic radiation
A large amount of microfissures are formed inside metallic ore ore body, the mechanical property of whole ore body are significantly reduced, thus to nonferrous metals ore
Ore body is crushed, and the surface layer of nonferrous metals ore can also be made to be heated and certain chemical reaction, by taking copper mine as an example, copper sulfide occurs
It is heated and is oxidized to copper oxide, by sequentially removing the surface layer after electromagnetic radiation until having exploited, i.e., after being oxidized
Surface layer sequentially removes, and can be improved the non-ferrous metal oxygenation efficiency in nonferrous metals ore, to reduce the energy consumption of smelting process；And
And since the nonferrous metals ore produced has been crushed in recovery process, subsequent setting without injection jaw crusher
It is standby to carry out muck, and the number of devices of ore grinding can be reduced, further decrease energy consumption.Therefore, by reducing subsequent ore dressing and mill
The energy consumption of mine and the energy consumption of smelting, can offset the high energy consumption of electromagnetic radiation, it might even be possible to reduce mining-ore dressing-on the whole
The energy consumption of smelting, so that electromagnetic radiation exploitation nonferrous metals ore has economically advantage, the value with practical application.
In some embodiments, the thickness on the surface layer removed every time is less than 300mm.It is according to an embodiment of the present invention to have coloured gold
The electromagnetic radiation recovery method for belonging to mine, by removing surface layer less than 300mm every time until nonferrous metals ore has been exploited, Neng Goujin
One step improves the non-ferrous metal oxygenation efficiency in nonferrous metals ore.
Further, the thickness on the surface layer removed every time is in the range of 30mm-100mm.
In some embodiments, it removes the surface layer of nonferrous metals ore ore body and electromagnetic radiation is carried out to nonferrous metals ore ore body
It carries out simultaneously.In other words, during carrying out electromagnetic radiation to nonferrous metals ore ore body, nonferrous metals ore ore body is sequentially removed
Surface layer, i.e., before nonferrous metals ore orebody mining is complete, electromagnetic radiation is persistently carried out.
It is understood that the present invention is not limited thereto, such as after electromagnetic radiation, nonferrous metals ore ore body is sequentially removed
Surface layer, in other words, electromagnetic radiation be interruption carry out, electromagnetic radiation stops electromagnetic radiation afterwards for a period of time, then removes coloured
First surface layer of metallic ore ore body；After removing the first surface layer, starting electromagnetic radiation stops electromagnetic radiation afterwards for a period of time, then goes
Except the second surface layer ... of nonferrous metals ore ore body is until complete by nonferrous metals ore orebody mining.
In some embodiments, electromagnetic radiation is carried out to nonferrous metals ore ore body using electromagnetic wave generating device.
In some embodiments, the surface layer for scraping mine device and sequentially scraping off the nonferrous metals ore ore body is utilized.
In some embodiments, the nonferrous metals ore is copper mine.
As shown in Fig. 2, the smelting process of nonferrous metals ore according to an embodiment of the present invention includes:
Electromagnetic radiation is carried out to nonferrous metals ore ore body；
The surface layer of the nonferrous metals ore ore body after electromagnetic radiation is sequentially removed until having exploited the nonferrous metals ore mine
Body；
Ore grinding is carried out to the nonferrous metals ore produced；
Nonferrous metals ore after ore grinding is subjected to pyrogenic process or hydrometallurgy.In other words, pyrometallurgical smelting or wet process smelting can be passed through
Refining comes out the METAL EXTRACTION in the nonferrous metals ore after ore grinding, for various alloys, machinery, ship, electrical, chemical industry, vapour
On vehicle, aircraft, military project and consumer appliance.
The smelting process of nonferrous metals ore according to an embodiment of the present invention, by exploitation when to nonferrous metals ore ore body into
Row electromagnetic radiation, electromagnetic radiation can also make nonferrous metals ore is heated to chemically react while muck, by taking copper mine as an example,
Copper sulfide is heated and is oxidized to copper oxide；It, i.e., will be by oxygen by sequentially removing the surface layer after electromagnetic radiation until having exploited
Surface layer after change sequentially removes, and can be improved the non-ferrous metal oxygenation efficiency in nonferrous metals ore, to reduce the energy of smelting process
Consumption, so as to offset the high energy consumption of electromagnetic radiation, it might even be possible to reduce mining-ore dressing-smelting energy consumption on the whole；By right
The nonferrous metals ore produced carries out ore grinding, and the granularity of ore can be made further to become smaller, to make the useful mine for forming ore
Object and gangue mineral reach maximum dissociation, to the needs of granularity when being smelted with meeting.
Pyrometallurgical smelting is also known as dry type metallurgy, by the way that nonferrous metals ore and necessary additive are heated in furnace together
High temperature is molten into liquid, and required chemical reaction occurs, to isolate crude metal, then again refines crude metal.
In some embodiments, the oxidation stage of pyrometallurgical smelting is carried out using oxygen bottom blown furnace.By taking copper mine as an example, by copper mine
After the granulation of flux ingredient, adds people's oxygen bottom blowing to melt and carry out melting in old furnace, it being capable of output high-grade copper matte regulus and smelting slag.Due to
Oxygen bottom blowing smelter slag Fe3O4Content is low, can use high iron silicon ratio slag making, therefore, the quartzy flux amount phase that melting is added
To less, melting inventory is reduced, and slag rate is low, and the inventory of slag ore dressing is few, and energy consumption also accordingly declines, the amount of copper lost with slag
It is corresponding to reduce.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of electromagnetic radiation recovery method of nonferrous metals ore characterized by comprising
Electromagnetic radiation is carried out to nonferrous metals ore ore body；
The surface layer of the nonferrous metals ore ore body after electromagnetic radiation is sequentially removed until having exploited the nonferrous metals ore ore body.
2. the electromagnetic radiation recovery method of nonferrous metals ore according to claim 1, which is characterized in that the table removed every time
The thickness of layer is less than 300mm.
3. the electromagnetic radiation recovery method of nonferrous metals ore according to claim 2, which is characterized in that the table removed every time
The thickness of layer is in the range of 30mm-100mm.
4. the electromagnetic radiation recovery method of nonferrous metals ore according to claim 1, which is characterized in that removal non-ferrous metal
The surface layer of mine ore body and to nonferrous metals ore ore body carry out electromagnetic radiation carry out simultaneously.
5. the electromagnetic radiation recovery method of nonferrous metals ore according to claim 1, which is characterized in that sent out using electromagnetic wave
Generating apparatus carries out electromagnetic radiation to nonferrous metals ore ore body.
6. the electromagnetic radiation recovery method of nonferrous metals ore according to claim 1, which is characterized in that using scraping mine device
Sequentially scrape off the surface layer of the nonferrous metals ore ore body.
7. the electromagnetic radiation recovery method of nonferrous metals ore according to claim 1, which is characterized in that the non-ferrous metal
Mine is copper mine.
8. a kind of smelting process of nonferrous metals ore characterized by comprising
Electromagnetic radiation is carried out to nonferrous metals ore ore body；
The surface layer of the nonferrous metals ore ore body after electromagnetic radiation is sequentially removed until having exploited the nonferrous metals ore ore body；
Ore grinding is carried out to the nonferrous metals ore produced；
Nonferrous metals ore after ore grinding is subjected to pyrogenic process or hydrometallurgy.
9. the smelting process of nonferrous metals ore according to claim 8, which is characterized in that the oxidation degree of the pyrometallurgical smelting
Duan Liyong oxygen bottom blown furnace carries out.
10. the smelting process of nonferrous metals ore according to claim 8, which is characterized in that the nonferrous metals ore is copper
Mine.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2846030A1 (en) * | 1978-10-23 | 1980-04-24 | Buckau Wolf Maschf R | Working veined ore deposits with varying uranium conc. - by drilling and removing different amts. according to concn. to give mixt. with constant conc. |
| CN1668769A (en) * | 2002-05-31 | 2005-09-14 | 技术资源有限公司 | Microwave treatment of ores |
| CN102256712A (en) * | 2008-12-19 | 2011-11-23 | Omya发展股份公司 | Method for separating mineral impurities from calcium carbonate-containing rocks by x-ray sorting |
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| CN102741686A (en) * | 2009-12-21 | 2012-10-17 | 技术资源有限公司 | Sorting mined material |
| CN103781561A (en) * | 2011-08-04 | 2014-05-07 | 技术信息有限公司 | Processing mined material |
| CN107779596A (en) * | 2017-11-08 | 2018-03-09 | 紫金矿业集团股份有限公司 | A kind of process integration for handling copper-sulphide ores |
-
2019
- 2019-03-15 CN CN201910199323.0A patent/CN109798117A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2846030A1 (en) * | 1978-10-23 | 1980-04-24 | Buckau Wolf Maschf R | Working veined ore deposits with varying uranium conc. - by drilling and removing different amts. according to concn. to give mixt. with constant conc. |
| CN1668769A (en) * | 2002-05-31 | 2005-09-14 | 技术资源有限公司 | Microwave treatment of ores |
| CN102256712A (en) * | 2008-12-19 | 2011-11-23 | Omya发展股份公司 | Method for separating mineral impurities from calcium carbonate-containing rocks by x-ray sorting |
| CN102741686A (en) * | 2009-12-21 | 2012-10-17 | 技术资源有限公司 | Sorting mined material |
| CN103781561A (en) * | 2011-08-04 | 2014-05-07 | 技术信息有限公司 | Processing mined material |
| CN102357404A (en) * | 2011-08-17 | 2012-02-22 | 昆明理工大学 | Method for raising grade of rutile by adopting microwave irradiation-magnetic separation-floatation combined process |
| CN107779596A (en) * | 2017-11-08 | 2018-03-09 | 紫金矿业集团股份有限公司 | A kind of process integration for handling copper-sulphide ores |
Non-Patent Citations (1)
| Title |
|---|
| 中国矿业学院主编: "《露天采矿手册第二册穿孔.爆破.采装工程》", 30 May 1986 * |
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