CN103464275A - Beneficiation method and device for quartz vein type gold deposit - Google Patents
Beneficiation method and device for quartz vein type gold deposit Download PDFInfo
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- CN103464275A CN103464275A CN2013104132448A CN201310413244A CN103464275A CN 103464275 A CN103464275 A CN 103464275A CN 2013104132448 A CN2013104132448 A CN 2013104132448A CN 201310413244 A CN201310413244 A CN 201310413244A CN 103464275 A CN103464275 A CN 103464275A
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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 the gold ore field, be specifically related to a kind of beneficiation method and device of quartz vein gold ore.
Background technology
Sorting process for low-grade quartz vein gold mine is two section one closed circuit crushing technique at present, two sections closed circuit grinding techniques, flotation is one roughing, and secondary is scanned, the technological process that triple cleaning and flotation chats sequentially return, what adopt is traditional common process flow process that gold ore adopts, the existing technique ratio of reduction is little, is difficult to reach the target of " how broken few mill ", and is not suitable for especially the quartzy Types of Gold that hardness is large, the ore grinding cost is too high, does not reach the requirement of monomer dissociation.
Summary of the invention
The objective of the invention is the ore-dressing technique of existing quartz vein gold mine is improved, provide the ore dressing of the quartz vein gold ore that a kind of cost is low, the rate of recovery is high improve one's methods and install.
The present invention realizes that the technical scheme that above-mentioned purpose adopts is as follows:
A kind of beneficiation method of quartz vein gold ore, comprise the steps:
(1) former mining jaw crusher fragmentation;
(2) mineral material after step (1) fragmentation is sent into Double-layer circular vibration screen and is sieved, and after screening, qualified mineral material enters grate ball mill and carries out primary grinding; Underproof mineral material is given to one section 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 gyratory crushers and carries out two-stage crushing, and the discharge of two-stage crushing returns to Double-layer circular vibration screen again;
(3) discharge of primary grinding, through the magnetic force arc, is isolated 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 the scalping machine and carries out one less preferred;
(5) the overflow ore deposit of scalping machine enters the secondary grading machine again and carries out two less preferredly, 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 ball mills and carries out secondary grinding, and the discharge of secondary grinding returns to the secondary grading machine.
Further, the granularity after the jaw crushing crusher machine is less than 80mm.
Further, the sieve aperture of Double-layer circular vibration screen is 10mm.
A kind of ore-dressing plant of quartz vein gold ore, comprise 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 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 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 ball mill;
The outlet of the non-magnetic material of magnetic force arc is connected with the feeding mouth of one section grader, and the overflow ore deposit outlet of one section grader is connected with the feeding mouth of two sections graders, and the overflow ore deposit outlet of two sections graders is connected with the system of sorting;
The sand setting outlet of one section grader is connected with the feeding mouth of one section ball mill, and the sand setting outlet of two sections graders is connected with the feeding mouth of two sections ball mills, and the discharging opening of two sections ball mills is connected with the pan feeding of one section ball mill.
After the present invention is improved the ore-dressing technique of existing quartz vein gold ore, broken final products fine fraction content mostly is 80.3%, breaking capacity efficiency all improves, the steel ball abrasion reduce by 9%, can also reclaim ferrous metal, and recovery rate in ore-dressing and concentrate grade are realized synchronous the raising, the rate of recovery has improved 4.2%, concentrate grade has improved 3.5g/t, and power consumption has reduced by 13.86%, cost 15.0%.
The accompanying drawing explanation
The mineral processing circuit that Fig. 1 is prior art.
Fig. 2 is mineral processing circuit of the present invention.
The specific embodiment
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 fixedly quartering hammer, be greater than the fixedly quartering hammer fragmentation for bulk of 600mm, through the rod feeding machine, on-the-sieve material is fed to 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 through rubber conveyer delivers to the Double-layer circular vibration screen screening that sieve aperture is 10mm, and the upper strata product is given to gyratory crusher through electric vibrating feeder and carries out two-stage crushing.Product after screening enters the lattice type ball mill and carries out primary grinding the electronic belt scale weighing is laggard through belt conveyer, the primary grinding discharge is delivered to the scalping machine and is carried out one less preferred, the overflow ore deposit of scalping machine enters the secondary grading machine, carry out two less preferred, the sand setting of scalping machine returns to primary grinding, the sand setting of secondary grading machine enters ball mill and carries out secondary grinding, and the secondary grinding discharge returns to the secondary grading machine.The overflow ore deposit of secondary grading machine enters the system of sorting.
The system of sorting is the preferred overflow of secondary ore deposit to be entered to 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, the recleaning mine tailing returns to primary cleaning, the triple cleaning mine tailing returns to recleaning, the mine tailing of one roughing enters once purging selection, the froth pulp of once purging selection returns to one roughing, the mine tailing of once purging selection carries out secondary and scans, product after secondary is scanned is true tailings, the concentrate that secondary is scanned is delivered to secondary grading machine place and carries out classification.
The present invention is partly improved grind grading 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 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 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 ball mill;
The outlet of the non-magnetic material of magnetic force arc is connected with the feeding mouth of one section grader, and the overflow ore deposit outlet of one section grader is connected with the feeding mouth of two sections graders, and the overflow ore deposit outlet of two sections graders is connected with the system of sorting;
The sand setting outlet of one section grader is connected with the feeding mouth of one section ball mill, and the sand setting outlet of two sections graders is connected with the feeding mouth of two sections ball mills, and the discharging opening of two sections ball mills is connected with the pan feeding of one section 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 fixedly quartering hammer, be greater than the fixedly quartering hammer fragmentation for bulk of 600mm, through the rod feeding machine, on-the-sieve material is fed to 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 gyratory crusher through electric vibrating feeder, portioned product after single stage crushing (general control is 20～50%) is back to Double-layer circular vibration screen, two sections gyratory crushers of another part product introduction, the two-stage crushing discharge returns to Double-layer circular vibration screen again.After screening, qualified product enters the lattice type ball mill and carries out primary grinding the electronic belt scale weighing is laggard through belt conveyer, the discharge of primary grinding is through the 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 the scalping machine and carries out one less preferred, the overflow ore deposit of scalping machine enters the secondary grading machine again and carries out two less preferred, the sand setting of scalping machine returns to 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 ball mills and carries out secondary grinding, the discharge of secondary grinding returns to the secondary grading machine.
After above-mentioned improvement, in the situation that other is constant, beneficiating technology index is as follows:
Claims (4)
1. the beneficiation method of a quartz vein gold ore, is characterized in that, comprises the steps:
(1) former mining jaw crusher fragmentation;
(2) mineral material after step (1) fragmentation is sent into Double-layer circular vibration screen and is sieved, and after screening, qualified mineral material enters grate ball mill and carries out primary grinding; Underproof mineral material is given to one section 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 gyratory crushers and carries out two-stage crushing, and the discharge of two-stage crushing returns to Double-layer circular vibration screen again;
(3) discharge of primary grinding, through the magnetic force arc, is isolated 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 the scalping machine and carries out one less preferred;
(5) the overflow ore deposit of scalping machine enters the secondary grading machine again and carries out two less preferredly, 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 ball mills and carries out secondary grinding, and the discharge of secondary grinding returns to the secondary grading machine.
2. the beneficiation method of quartz vein gold ore according to claim 1, is characterized in that, the granularity after the jaw crushing crusher machine is less than 80mm.
3. the beneficiation method of quartz vein gold ore according to claim 1, is characterized in that, the sieve aperture of Double-layer circular vibration screen is 10mm.
4. the ore-dressing plant of a quartz vein gold ore, comprise 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 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 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 ball mill;
The outlet of the non-magnetic material of magnetic force arc is connected with the feeding mouth of one section grader, and the overflow ore deposit outlet of one section grader is connected with the feeding mouth of two sections graders, and the overflow ore deposit outlet of two sections graders is connected with the system of sorting;
The sand setting outlet of one section grader is connected with the feeding mouth of one section ball mill, and the sand setting outlet of two sections graders is connected with the feeding mouth of two sections ball mills, and the discharging opening of two sections ball mills is connected with the pan feeding of one section ball mill.
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103816990A (en) * | 2014-02-19 | 2014-05-28 | 哈巴河金坝矿业有限公司 | Method and device for comprehensively recycling gold flotation 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 |
| 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 |
| CN104907119A (en) * | 2015-06-02 | 2015-09-16 | 马鞍山南山开发公司 | Iron tailing dry separation system |
| CN105214955A (en) * | 2015-10-27 | 2016-01-06 | 张荣斌 | A kind of tungsten concentrate screening technique |
| 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 |
| 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 |
| CN112844763A (en) * | 2021-03-01 | 2021-05-28 | 长沙矿冶研究院有限责任公司 | Ore X-ray preselection-crushing system and process thereof |
| CN113856890A (en) * | 2021-08-31 | 2021-12-31 | 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 | Method for comprehensively recovering gold, iron and sulphur resource from gold-containing sulfurous iron ore |
| 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 | Method for comprehensively recovering gold, iron and sulphur resource from gold-containing sulfurous iron ore |
| 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 |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103816990A (en) * | 2014-02-19 | 2014-05-28 | 哈巴河金坝矿业有限公司 | Method and device for comprehensively recycling gold flotation tailings |
| 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 |
| 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 |
| 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 |
| CN104907119A (en) * | 2015-06-02 | 2015-09-16 | 马鞍山南山开发公司 | Iron tailing dry separation system |
| CN105214955A (en) * | 2015-10-27 | 2016-01-06 | 张荣斌 | A kind of tungsten concentrate screening technique |
| 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 |
| CN112844763A (en) * | 2021-03-01 | 2021-05-28 | 长沙矿冶研究院有限责任公司 | Ore X-ray preselection-crushing system and process thereof |
| CN113856890A (en) * | 2021-08-31 | 2021-12-31 | 中国矿业大学 | Resource comprehensive utilization system and method for gold ore associated minerals |
| 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 |
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