CN103464275B - Beneficiation method and device for quartz vein type gold deposit - Google Patents
Beneficiation method and device for quartz vein type gold deposit Download PDFInfo
- Publication number
- CN103464275B CN103464275B CN201310413244.8A CN201310413244A CN103464275B CN 103464275 B CN103464275 B CN 103464275B CN 201310413244 A CN201310413244 A CN 201310413244A CN 103464275 B CN103464275 B CN 103464275B
- Authority
- CN
- China
- Prior art keywords
- magnetic
- machine
- feeding mouth
- ore
- double
- 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
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 239000010931 gold Substances 0.000 title claims abstract description 21
- 229910052737 gold Inorganic materials 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000010453 quartz Substances 0.000 title claims abstract description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 210000003462 vein Anatomy 0.000 title claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 24
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 21
- 239000011707 mineral Substances 0.000 claims abstract description 21
- 238000007599 discharging Methods 0.000 claims abstract description 16
- 239000012141 concentrate Substances 0.000 claims abstract description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052742 iron Inorganic materials 0.000 claims abstract description 4
- 238000007885 magnetic separation Methods 0.000 claims abstract description 4
- 239000004576 sand Substances 0.000 claims description 14
- 239000006148 magnetic separator Substances 0.000 claims description 8
- 239000000696 magnetic material Substances 0.000 claims description 6
- 238000012216 screening Methods 0.000 claims description 6
- 230000002950 deficient Effects 0.000 claims description 3
- 238000013467 fragmentation Methods 0.000 claims description 3
- 238000006062 fragmentation reaction Methods 0.000 claims description 3
- 238000011084 recovery Methods 0.000 abstract description 5
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract description 2
- 229910052751 metal Inorganic materials 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 230000003247 decreasing effect Effects 0.000 abstract 1
- -1 ferrous metals Chemical class 0.000 abstract 1
- 239000012467 final product Substances 0.000 abstract 1
- 239000010419 fine particle Substances 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 description 8
- 238000005188 flotation Methods 0.000 description 3
- 238000010926 purge Methods 0.000 description 3
- 238000005336 cracking Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
Landscapes
- Crushing And Grinding (AREA)
- Disintegrating Or Milling (AREA)
Abstract
The invention discloses a beneficiation method for quartz vein type gold deposit. The beneficiation method for the quartz vein type gold deposit includes the steps of using a jaw crusher to crush raw ore, sending crushed mineral material into a double layer circular vibrating screen to be sieved, putting sieved and qualified mineral material into a grid type ball mill for single stage grinding, returning unqualified mineral material after two stage crushing back to the double layer circular vibrating screen, separating magnetic and non-magnetic minerals after discharging material from single stage grinding passing a magnetic arc, making magnetic minerals for magnetic separation to obtain iron ore concentrate and putting the non-magnetic minerals separated through the magnetic arc into a sorting system after twice classification. Compared with the prior art, with beneficiation method for quartz vein type gold deposit, the content of fine particles of a crushed final product is mostly of 80.3%, crushing efficiency is improved, wear rate of a steel ball is decreased by 9%, ferrous metals can be recycled, synchronous improvement of ore dressing recovery percentage and concentrate grade is realized with the recovery percentage increased by 4.2% and the concentrate grade increased by 3.5 grams per ton, power consumption rate is reduced by 13.86%, and cost is reduced by 15.0%.
Description
Technical field
The invention belongs to gold ore field, be specifically related to a kind of beneficiation method and device of quartz vein gold ore.
Background technology
Sorting process at present for low-grade quartz vein gold mine is two section of one closed circuit crushing technique, two sections of closed circuit grinding techniques, flotation is one roughing, and secondary is scanned, triple cleaning and the technological process that returns of flotation chats order, what adopt is traditional conventional flowsheet that gold ore adopts, the existing technique ratio of reduction is little, is difficult to the target reaching " much broken and lessmill ", and is not suitable for the large quartzy Types of Gold of hardness especially, ore grinding cost is too high, does not reach the requirement of monomer dissociation.
Summary of the invention
The object of the invention is to improve the ore-dressing technique of existing quartz vein gold mine, provide the ore dressing of the quartz vein gold ore that a kind of cost is low, the rate of recovery is high to improve one's methods and device.
It is as follows that the present invention realizes the technical scheme that above-mentioned purpose adopts:
A beneficiation method for quartz vein gold ore, comprises the steps:
(1) raw ore jaw crushing crusher machine;
(2) mineral material after step (1) fragmentation is sent into Double-layer circular vibration screen and is sieved, and the rear qualified mineral material of screening enters grate ball mill and carries out primary grinding; Underproof mineral material is given to one section of gyratory crusher and carries out single stage crushing, and the part material after single stage crushing is back to Double-layer circular vibration screen, and another part material enters two sections of gyratory crushers and carries out two-stage crushing, and the discharge of two-stage crushing returns Double-layer circular vibration screen again;
(3) discharge of primary grinding is through magnetic force arc, isolates magnetic mineral and non magnetic ore;
(4) magnetic mineral carries out magnetic separation and obtains iron ore concentrate, and the isolated non magnetic ore of magnetic force arc enters scalping machine and carries out one less preferred;
(5) the overflow ore deposit of scalping machine enters secondary grading machine again and carries out two less preferred, and the sand setting of scalping machine is back to primary grinding;
(6) the overflow ore deposit of secondary grading machine enters the system of sorting, and the preferred sand setting of secondary enters two sections of ball mills and carries out secondary grinding, and the discharge of secondary grinding returns to secondary grading machine.
Further, the granularity after jaw crushing crusher machine is less than 80mm.
Further, the sieve aperture of Double-layer circular vibration screen is 10mm.
An ore-dressing plant for quartz vein gold ore, comprises jaw crusher, Double-layer circular vibration screen, gyratory crusher, ball mill, magnetic force arc and grader, wherein,
The discharging opening of jaw crusher is connected with the feeding mouth of Double-layer circular vibration screen;
The outlet of the qualified material of Double-layer circular vibration screen is connected with one section of ball mill feeding mouth, and the outlet of the defective material of Double-layer circular vibration screen is connected with single stage crushing machine feeding mouth;
The discharging opening of single stage crushing machine is connected with the feeding mouth of two-stage crushing machine and Double-layer circular vibration screen respectively, and the discharging opening of two-stage crushing machine is connected with the feeding mouth of Double-layer circular vibration screen;
One section of ball mill discharging mouth is connected with magnetic force arc feeding mouth, and the outlet of the magnetic material of magnetic force arc is connected with the feeding mouth of magnetic separator, and the mine tailing outlet of magnetic separator is connected with the feeding mouth of one section of ball mill;
The outlet of the non-magnetic material of magnetic force arc is connected with the feeding mouth of one section of grader, and the overflow ore deposit outlet of one section of grader is connected with the feeding mouth of two sections of graders, and the overflow ore deposit outlet of two sections of graders is connected with the system of sorting;
The sand setting outlet of one section of grader is connected with the feeding mouth of one section of ball mill, and the sand setting outlet of two sections of graders is connected with the feeding mouth of two sections of ball mills, and the discharging opening of two sections of ball mills is connected with the pan feeding of one section of ball mill.
After the ore-dressing technique of the present invention to existing quartz vein gold ore is improved, broken final products fine fraction content mostly is 80.3%, breaking capacity efficiency all improves, steel ball abrasion reduction by 9%, can also reclaim ferrous metal, and recovery rate in ore-dressing and concentrate grade realize synchronous raising, the rate of recovery improves 4.2%, concentrate grade improves 3.5g/t, and power consumption reduces 13.86%, and cost reduces 15.0%.
Accompanying drawing explanation
Fig. 1 is the mineral processing circuit of prior art.
Fig. 2 is mineral processing circuit of the present invention.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further details.
The mineral processing circuit of prior art quartz vein gold ore as shown in Figure 1, raw ore enters crude ore bin by the diagrid of 600*600mm, diagrid is provided with fixing quartering hammer, the bulk being greater than 600mm is broken with fixing quartering hammer, through rod feeding machine, on-the-sieve material is fed jaw crusher, carry out single stage crushing, particle size after cracking is less than 80mm, single stage crushing product and two-stage crushing product merge delivers to through rubber conveyer the Double-layer circular vibration screen screening that sieve aperture is 10mm, and upper strata product is given to gyratory crusher through electric vibrating feeder and carries out two-stage crushing.Product after screening through belt conveyer electronic belt scale weigh laggard enter grate ball mill carry out primary grinding, primary grinding discharge is delivered to scalping machine and is carried out one less preferred, the overflow ore deposit of scalping machine enters secondary grading machine, carry out two less preferred, the sand setting of scalping machine returns primary grinding, the sand setting of secondary grading machine enters ball mill and carries out secondary grinding, and secondary grinding discharge returns to secondary grading machine.The overflow ore deposit of secondary grading machine enters the system of sorting.
The system of sorting preferred for secondary overflow ore deposit is entered flotation device carry out one roughing, the froth pulp of one roughing carries out primary cleaning, the froth pulp of primary cleaning carries out recleaning, the froth pulp of recleaning carries out triple cleaning, product after triple cleaning becomes final concentrate, the mine tailing of primary cleaning is back to one roughing, recleaning mine tailing returns primary cleaning, triple cleaning mine tailing returns recleaning, the mine tailing of one roughing enters once purging selection, the froth pulp of once purging selection returns one roughing, the mine tailing of once purging selection carries out secondary and scans, secondary scan after product be true tailings, the concentrate that secondary is scanned is delivered to secondary grading machine place and carries out classification.
The present invention improves grind grading part in the ore-dressing plant of existing quartz vein gold ore, and the annexation between each equipment is as follows:
The discharging opening of jaw crusher is connected with the feeding mouth of Double-layer circular vibration screen;
The outlet of the qualified material of Double-layer circular vibration screen is connected with one section of ball mill feeding mouth, and the outlet of the defective material of Double-layer circular vibration screen is connected with single stage crushing machine feeding mouth;
The discharging opening of single stage crushing machine is connected with the feeding mouth of two-stage crushing machine and Double-layer circular vibration screen respectively, and the discharging opening of two-stage crushing machine is connected with the feeding mouth of Double-layer circular vibration screen;
One section of ball mill discharging mouth is connected with magnetic force arc feeding mouth, and the outlet of the magnetic material of magnetic force arc is connected with the feeding mouth of magnetic separator, and the mine tailing outlet of magnetic separator is connected with the feeding mouth of one section of ball mill;
The outlet of the non-magnetic material of magnetic force arc is connected with the feeding mouth of one section of grader, and the overflow ore deposit outlet of one section of grader is connected with the feeding mouth of two sections of graders, and the overflow ore deposit outlet of two sections of graders is connected with the system of sorting;
The sand setting outlet of one section of grader is connected with the feeding mouth of one section of ball mill, and the sand setting outlet of two sections of graders is connected with the feeding mouth of two sections of ball mills, and the discharging opening of two sections of ball mills is connected with the pan feeding of one section of ball mill.
Single stage crushing machine and sledging machine adopt gyratory crusher.
Grinding grading technique flow process after improvement is as shown in Figure 2: raw ore enters crude ore bin by the diagrid of 600 × 600mm, diagrid is provided with fixing quartering hammer, the bulk being greater than 600mm is broken with fixing quartering hammer, through rod feeding machine, on-the-sieve material is fed jaw crusher, particle size after cracking is less than 80mm, material under product after fragmentation and rod feeding machine sieve delivers to through rubber conveyer the Double-layer circular vibration screen screening that sieve aperture is 10mm, the underproof material sieved out is given to one section of gyratory crusher through electric vibrating feeder, portioned product (general control is 20 ~ 50%) after single stage crushing is back to Double-layer circular vibration screen, another part product introduction two sections of gyratory crushers, two-stage crushing discharge returns Double-layer circular vibration screen again.After screening qualified product through belt conveyer electronic belt scale weigh laggard enter grate ball mill carry out primary grinding, the discharge of primary grinding is through magnetic force arc, isolate magnetic mineral and non magnetic ore, magnetic mineral enters magnetic separator and carries out magnetic separation acquisition iron ore concentrate, the mine tailing of magnetic separator is back to primary grinding, the isolated non magnetic ore of magnetic force arc enters scalping machine and carries out one less preferred, the overflow ore deposit of scalping machine enters secondary grading machine again and carries out two less preferred, the sand setting of scalping machine returns primary grinding, the overflow ore deposit of secondary grading machine enters the system of sorting, the sand setting of secondary grading machine enters two sections of ball mills and carries out secondary grinding, the discharge of secondary grinding returns to secondary grading machine.
After above-mentioned improvement, when other is constant, beneficiating technology index is as follows:
。
Claims (4)
1. a beneficiation method for quartz vein gold ore, is characterized in that, comprises the steps:
(1) raw ore jaw crushing crusher machine;
(2) mineral material after step (1) fragmentation is sent into Double-layer circular vibration screen and is sieved, and the rear qualified mineral material of screening enters grate ball mill and carries out primary grinding; Underproof mineral material is given to one section of gyratory crusher and carries out single stage crushing, and the part material after single stage crushing is back to Double-layer circular vibration screen, and another part material enters two sections of gyratory crushers and carries out two-stage crushing, and the discharge of two-stage crushing returns Double-layer circular vibration screen again;
(3) discharge of primary grinding is through magnetic force arc, isolates magnetic mineral and non magnetic ore;
(4) magnetic mineral carries out magnetic separation and obtains iron ore concentrate, and the isolated non magnetic ore of magnetic force arc enters scalping machine and carries out one less preferred;
(5) the overflow ore deposit of scalping machine enters secondary grading machine again and carries out two less preferred, and the sand setting of scalping machine is back to primary grinding;
(6) the overflow ore deposit of secondary grading machine enters the system of sorting, and the preferred sand setting of secondary enters two sections of ball mills and carries out secondary grinding, and the discharge of secondary grinding returns to secondary grading machine.
2. the beneficiation method of quartz vein gold ore according to claim 1, it is characterized in that, the granularity after jaw crushing crusher machine is less than 80mm.
3. the beneficiation method of quartz vein gold ore according to claim 1, it is characterized in that, the sieve aperture of Double-layer circular vibration screen is 10mm.
4. an ore-dressing plant for quartz vein gold ore, comprises jaw crusher, Double-layer circular vibration screen, gyratory crusher, ball mill, magnetic force arc and grader, it is characterized in that:
The discharging opening of jaw crusher is connected with the feeding mouth of Double-layer circular vibration screen;
The outlet of the qualified material of Double-layer circular vibration screen is connected with one section of ball mill feeding mouth, and the outlet of the defective material of Double-layer circular vibration screen is connected with single stage crushing machine feeding mouth;
The discharging opening of single stage crushing machine is connected with the feeding mouth of two-stage crushing machine and Double-layer circular vibration screen respectively, and the discharging opening of two-stage crushing machine is connected with the feeding mouth of Double-layer circular vibration screen;
One section of ball mill discharging mouth is connected with magnetic force arc feeding mouth, and the outlet of the magnetic material of magnetic force arc is connected with the feeding mouth of magnetic separator, and the mine tailing outlet of magnetic separator is connected with the feeding mouth of one section of ball mill;
The outlet of the non-magnetic material of magnetic force arc is connected with the feeding mouth of one section of grader, and the overflow ore deposit outlet of one section of grader is connected with the feeding mouth of two sections of graders, and the overflow ore deposit outlet of two sections of graders is connected with the system of sorting;
The sand setting outlet of one section of grader is connected with the feeding mouth of one section of ball mill, and the sand setting outlet of two sections of graders is connected with the feeding mouth of two sections of ball mills, and the discharging opening of two sections of ball mills is connected with the pan feeding of one section of ball mill;
Single stage crushing machine and sledging machine all adopt gyratory crusher.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310413244.8A CN103464275B (en) | 2013-09-12 | 2013-09-12 | Beneficiation method and device for quartz vein type gold deposit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310413244.8A CN103464275B (en) | 2013-09-12 | 2013-09-12 | Beneficiation method and device for quartz vein type gold deposit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103464275A CN103464275A (en) | 2013-12-25 |
| CN103464275B true CN103464275B (en) | 2015-05-20 |
Family
ID=49789445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310413244.8A Active CN103464275B (en) | 2013-09-12 | 2013-09-12 | Beneficiation method and device for quartz vein type gold deposit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103464275B (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103816990B (en) * | 2014-02-19 | 2016-06-29 | 哈巴河金坝矿业有限公司 | A kind of gold flotation tailing comprehensive recovering process and device thereof |
| CN105312150A (en) * | 2014-06-26 | 2016-02-10 | 沈阳铝镁设计研究院有限公司 | Configuration method of iron removal of mill |
| CN104258977A (en) * | 2014-08-06 | 2015-01-07 | 哈巴河金坝矿业有限公司 | Regrinding and rescreening method and device of gold floating tailings |
| CN104148167A (en) * | 2014-08-06 | 2014-11-19 | 哈巴河金坝矿业有限公司 | Reselection recovery method and device for gold |
| CN104148174A (en) * | 2014-08-06 | 2014-11-19 | 哈巴河金坝矿业有限公司 | Recycling method and device for quartz extracted from gold flotation tailings |
| CN104907119A (en) * | 2015-06-02 | 2015-09-16 | 马鞍山南山开发公司 | Iron tailing dry separation system |
| CN105214955B (en) * | 2015-10-27 | 2017-09-15 | 张荣斌 | A kind of tungsten concentrate screening technique |
| CN108380381A (en) * | 2018-05-02 | 2018-08-10 | 陕西冶金设计研究院有限公司 | A kind of Quartz Vein Type slightly in the pure gravity concentration apparatus of grain gold mine and method |
| CN109277193A (en) * | 2018-10-09 | 2019-01-29 | 乔盘池 | A kind of efficient magnetic separation process of mineral |
| CN109569871A (en) * | 2018-12-18 | 2019-04-05 | 招金矿业股份有限公司蚕庄金矿 | A kind of secondary slime of lode gold ore and rough just separating flotation technique |
| CN112844763B (en) * | 2021-03-01 | 2024-10-29 | 长沙矿冶研究院有限责任公司 | Ore X-ray preselection-crushing system and process thereof |
| CN113856890B (en) * | 2021-08-31 | 2022-09-20 | 中国矿业大学 | Resource comprehensive utilization system and method for gold ore associated minerals |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3951787A (en) * | 1974-02-25 | 1976-04-20 | Great American Silver Company | Method and apparatus for separating gold and other heavy materials from ore |
| CN1042947A (en) * | 1988-12-01 | 1990-06-13 | 西安有色金属研究所 | From low-grade gold, reclaim the processing method of gold |
| GB2258171A (en) * | 1991-07-29 | 1993-02-03 | Shell Int Research | Processing complex mineral ores |
| CN1440837A (en) * | 2003-03-12 | 2003-09-10 | 福建紫金矿业股份有限公司 | Ore separating method for low-grade oxide gold ore |
| CN101348859A (en) * | 2008-08-19 | 2009-01-21 | 昆明理工大学 | A method for comprehensive recovery of gold, iron and sulfur resources from gold-bearing pyrite |
| RU2370327C2 (en) * | 2007-12-17 | 2009-10-20 | Институт горного дела Севера им. Н.В. Черского СО РАН | Ore-concentration movable modular complex |
| CN102553706A (en) * | 2010-12-20 | 2012-07-11 | 北京有色金属研究总院 | Process for recycling gold from high-arsenic and high-sulfur difficultly treated gold ore |
| CN102962125A (en) * | 2012-12-12 | 2013-03-13 | 赣州金环磁选设备有限公司 | Method for reclaiming tungsten mineral from greisen mine in edge zone of quartz reef |
-
2013
- 2013-09-12 CN CN201310413244.8A patent/CN103464275B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3951787A (en) * | 1974-02-25 | 1976-04-20 | Great American Silver Company | Method and apparatus for separating gold and other heavy materials from ore |
| CN1042947A (en) * | 1988-12-01 | 1990-06-13 | 西安有色金属研究所 | From low-grade gold, reclaim the processing method of gold |
| GB2258171A (en) * | 1991-07-29 | 1993-02-03 | Shell Int Research | Processing complex mineral ores |
| CN1440837A (en) * | 2003-03-12 | 2003-09-10 | 福建紫金矿业股份有限公司 | Ore separating method for low-grade oxide gold ore |
| RU2370327C2 (en) * | 2007-12-17 | 2009-10-20 | Институт горного дела Севера им. Н.В. Черского СО РАН | Ore-concentration movable modular complex |
| CN101348859A (en) * | 2008-08-19 | 2009-01-21 | 昆明理工大学 | A method for comprehensive recovery of gold, iron and sulfur resources from gold-bearing pyrite |
| CN102553706A (en) * | 2010-12-20 | 2012-07-11 | 北京有色金属研究总院 | Process for recycling gold from high-arsenic and high-sulfur difficultly treated gold ore |
| CN102962125A (en) * | 2012-12-12 | 2013-03-13 | 赣州金环磁选设备有限公司 | Method for reclaiming tungsten mineral from greisen mine in edge zone of quartz reef |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103464275A (en) | 2013-12-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103464275B (en) | Beneficiation method and device for quartz vein type gold deposit | |
| CN104874459B (en) | Useless ore-dressing technique is thrown in a kind of low-grade magnetite pre-selection | |
| CN104607296B (en) | Ilmenite beneficiation method and equipment | |
| CN102240588B (en) | Dry-grinding and dry-separation method of magnetite | |
| CN102247925B (en) | Flotation method of nonferrous metal ores | |
| CN104549692B (en) | A kind of ore-dressing technique containing high-grade Pyritum copper-sulphide ores | |
| CN110449255B (en) | A kind of fluorite lean ore color separation and upgrading-tail throwing pre-selection method | |
| CN103447144A (en) | Method for raising iron content and reducing silicon in concentrate by means of low-intensity magnetic separation process | |
| CN108014913B (en) | Ultra-lean magnetite beneficiation method and system for associated phosphorus minerals | |
| CN204564293U (en) | A kind of ilmenite preparation equipment | |
| CN103041920A (en) | Ore dressing method and ore dressing system suitable for lean magnetite ores | |
| CN102921521B (en) | Ore grinding grading method for improving ore grinding processing capacity | |
| CN101579654A (en) | Iron ore powder mineral dressing process | |
| CN110624686A (en) | Magnetite beneficiation process capable of fully releasing mill capacity | |
| CN102814227A (en) | Floating selection method of nonferrous metal mineral powder | |
| CN109013037A (en) | A kind of magnetite beneficiation process improving coarse fraction Contents of Tailings and grinding machine processing capacity | |
| CN207119461U (en) | A kind of copper mine barren rock copper, iron synthetical recovery pretreatment system | |
| CN102773150A (en) | Polymetallic (iron, tin and zinc) ore comprehensive recovery beneficiation method | |
| CN109894268B (en) | Beneficiation method for tailing discarding and refining of wolframite | |
| WO2024153015A1 (en) | Method and system for efficient ore crushing, grinding and sorting | |
| CN1911523B (en) | Technological method capable of enhancing ore dressing efficiency and ore dressing index | |
| CN116273388A (en) | Device and method for sorting and discarding semi-autogenous obstinate stones | |
| US20030116662A1 (en) | Ore comminution process | |
| CN107252730A (en) | A kind of composite ore high pressure roller mill wind is classified again, tower mill, magnetic weight sorting process | |
| CN214439946U (en) | An intelligent sorting device for improving the selected grade of lead-bearing molybdenum ore |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |