CN106694190A - Beneficiation method for recycling nickel metal from waste copper nickel ore - Google Patents
Beneficiation method for recycling nickel metal from waste copper nickel ore Download PDFInfo
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- CN106694190A CN106694190A CN201611018545.0A CN201611018545A CN106694190A CN 106694190 A CN106694190 A CN 106694190A CN 201611018545 A CN201611018545 A CN 201611018545A CN 106694190 A CN106694190 A CN 106694190A
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- nickel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
-
- 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
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/10—Magnetic separation acting directly on the substance being separated with cylindrical material carriers
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- Food Science & Technology (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention relates to a beneficiation method for recycling nickel metal from waste copper nickel ore. The method is characterized in that the beneficiation method sequentially comprises the following procedures of the open circuit crushing screening procedure, the dry type low intensity magnetic separation procedure, the closed circuit crushing screening procedure, the dry type high magnetic separation procedure and the magnetic separation tailings stirring and filling procedure. By adoption of the method, through waste copper nickel ore stage crushing and stage sorting, in industrial production, the copper nickel ore with the comprehensive nickel grade being 1% or above and the nickel metal recycling rate being 38% is obtained under the situation that the nickel grade of raw ore is 0.24% and the copper grade of the raw ore is 0.06%, the nickel metal can be effectively recycled from the waste copper nickel ore, and 100% of sorted tailings are used for mining filling. The method technology is reliable, cleanliness and high efficiency are achieved, investment is little, benefits are high, the waste ore comprehensive utilization rate is high, and the beneficiation method is an ideal beneficiation method for recycling the nickel metal from waste low-grade copper sulphide ore, nickel sulfide ore and copper sulphide nickel associated ore.
Description
Technical field
The present invention relates to a kind of beneficiation method that nickel metal is reclaimed from discarded copper-nickel sulfide, it is adaptable to low-grade from discarding
Nickel metal is reclaimed in copper-sulphide ores, nickel sulfide ore and vulcanization cupro-nickel associated minerals.
Background technology
At present, copper-nickel sulphide ore accounts for a quarter of world's nickel reserves, and remaining is nickel ore, but in copper nickel sulfide mineral
The nickel extracted in stone accounts for 2/3rds of nickel total output.Bargh during the exploitation of cupro-nickel ore resources, due to work
Skill technology and ore properties are limited, and are mixed into country rock because of powder mineral, to be mixed into ore drawing under caved rock barren rock excessive or because of ore deposit
Rock intersection loss late is too high, can all produce a large amount of uncommercial discarded Low-grade Cu-ni Ore stones, due to existing from discarded
Low-grade copper sulfide ores, nickel sulfide ore and vulcanization cupro-nickel associated mineral resource reclaim that input-output ratio is high, technological process is complicated, technique
Fluctuation of service etc. produces problem, and this resource does not obtain effective recovery and utilization for a long time.In the middle of discarded copper-nickel sulfide
In addition to cupric, nickel, also with Determination of multiple metal elements, such as cobalt, platinum, palladium, gold, silver rare metal in the middle of ore crystallization, they
Also can follow nickel, copper mineral loss among rejected ore, cause substantial amounts of valuable metal and be lost in.Therefore, this part is discarded
The exploitation prospect of low grade copper-nickel sulphide ores stone is extremely wide, with huge economic benefit and far-reaching social effect.
At present, it is not yet found that the related ore dressing document that nickel metal is reclaimed from discarded copper-nickel sulfide is recorded.
The content of the invention
It is high it is an object of the invention to provide a kind of reliability, clean and effective, small investment high efficiency, rejected ore comprehensive utilization ratio
From discarded low-grade copper sulfide ores, nickel sulfide ore and vulcanization cupro-nickel associated minerals in reclaim nickel metal beneficiation method.
The purpose of the present invention is reached by following measure.
A kind of beneficiation method that nickel metal is reclaimed from discarded copper-nickel sulfide, it is characterised in that the beneficiation method is included successively
Following operation：
1. open circuit crushing screening operation, discards copper-nickel sulfide and enters prescreening operation, ore on sieve after single stage crushing
2. product enters dry type low intensity magnetic separation operation after two-stage crushing, and 2. the lower mineral product of sieve enters dry type low intensity magnetic separation operation, wherein sieving
The granularity of lower mineral product is less than 40mm；
2. dry type low intensity magnetic separation operation, the ore that 1. operation feeds at the uniform velocity is delivered to magnetic force roller and carries out by belt conveyer
Magnetic separation, magnetic induction control in 400mT~500mT, obtain the magnetic concentrate and nickel grade 0.3% of nickel grade more than 1% with
Under poor value, magnetic concentrate enters concentrate store, and magnetic tailing enters next procedure；
3. operation is sieved in closed circuit crushing, and the operation constitutes closed circuit crushing work by broken operation break-down and check screening operation break-down
Skill, the magnetic tailing that 2. operation feeds enters broken operation break-down and is crushed, and check screening operation break-down, ore deposit on sieve are entered after crushing
Stone product returns to broken operation break-down, and 4. the lower mineral product of sieve enters operation, wherein the granularity of the lower mineral product of sieve is less than 20mm；
4. dry high-magnetic separation operation, the ore that 3. operation feeds at the uniform velocity is delivered to magnetic force roller and carries out by belt conveyer
Magnetic separation, magnetic induction control in 550mT~600mT, obtain the magnetic concentrate and nickel grade 0.2% of nickel grade more than 1% with
Under poor value, magnetic concentrate enters concentrate store, and magnetic tailing enters next procedure；
5. magnetic tailing mixing and filling operation, the percutaneous band of magnetic tailing that 4. operation feeds enters work stone storehouse, in work stone storehouse
Magnetic tailing enter underground mixing plant as filling aggregate, according to filling aggregate and cement mortar 3:1 ratio carries out mixing and stirs
Used for underground mining filling process after mixing.
The beneficiation method, it is characterized in that 2. middle belt thickness of feed layer is less than 300mm in operation, bed of material width is not less than
500mm, belt conveyer belt speed is controlled in 2.8m/s~3.5m/s；4. middle belt thickness of feed layer is less than 100mm to operation, and the bed of material is wide
Degree is not less than 500mm, and belt conveyer belt speed is controlled in 2.2m/s~3m/s.
By above-mentioned design, the present invention can bring following beneficial effect：It is proposed by the present invention a kind of from discarded copper
The beneficiation method of nickel metal is reclaimed in nickel ores, by discarding the stage crushing and stage grading of copper-nickel sulfide, in industrial production,
Comprehensive nickel grade more than 1%, nickel metal recovery rate 38% is obtained in the case of raw ore nickel grade 0.24%, copper grade 0.06%
Copper-nickel sulfide, can reclaim nickel metal effectively from discarded copper-nickel sulfide, rejected ore sort mine tailing 100% for dig up mine filling,
Realize and sort the reuse of mine tailing 100%.The method process is simple, reliability, clean and effective, small investment high efficiency, rejected ore are comprehensive
Close utilization rate high, solve present in prior art from discarded low-grade copper sulfide ores, nickel sulfide ore and vulcanization cupro-nickel association
Production problem that ore resources reclaim that input-output ratio is high, technological process is complicated, technological operation is unstable etc., be it is a kind of it is comparatively ideal from
The beneficiation method of nickel metal is reclaimed in discarded low-grade copper sulfide ores, nickel sulfide ore and vulcanization cupro-nickel associated minerals.
Brief description of the drawings
The invention will be further described with specific embodiment for explanation below in conjunction with the accompanying drawings：
Fig. 1 is a kind of process chart of the beneficiation method that nickel metal is reclaimed from discarded copper-nickel sulfide of the present invention.
In figure：1 is that operation is sieved in open circuit crushing, and 2 is dry type low intensity magnetic separation operation, and 3 is that operation is sieved in closed circuit crushing, and 4 is dry
Formula high intensity magnetic separation operation, 5 is magnetic tailing mixing and filling operation.
Specific embodiment
Reference picture 1, the present invention proposes a kind of beneficiation method that nickel metal is reclaimed from discarded copper-nickel sulfide and includes successively
Following steps：
Operation 1 is sieved in open circuit crushing, is opened the introducing of discarded copper-nickel sulfide for one section using plate belt feeder and belt conveyor
Road crushing process PEF600 × 900 jaw crusher is crushed, and copper-nickel sulfide after crushing enters pre-sieving technology
YAG1536 circular shale shakers are sieved, screen-aperture 40mm, and the qualified grain size mineral product under sieve enters operation 2, does not conform on sieve
Lattice grade mineral product enters two-stage crushing technique PYB1200 gyratory crushers and continues broken, and broken rear mineral product enters work
Sequence 2, it is therefore an objective to select qualified grain size ore in advance, realizes ore selective crushing, it is to avoid ore crosses crushing phenomenon and argillization is existing
As and saving energy consumption；
Dry type low intensity magnetic separation operation 2, the ore that operation 1 feeds is not less than 500mm, belt scraper through belt slide carriage control material is wide
Control material is thick less than after 300mm, is sent to the magnetic roll of the Gauss of magnetic induction intensity 4500 through belt conveyer under the belt speed of 3m/s
Cylinder carries out magnetic separation, the poor value of the magnetic concentrate and nickel grade of final output nickel grade more than 1% below 0.3%, realizes
The preliminary classification of high and low grade rock in copper-nickel sulfide, magnetic concentrate enters independent concentrate store, and magnetic tailing enters operation 3；
Operation 3 is sieved in closed circuit crushing, and the operation constitutes closed circuit crushing technique by broken operation break-down and check screening operation break-down,
The ore that operation 2 feeds is sent into three sections of crushing process PYD1750 gyratory crushers and is crushed through belt conveyer, ore deposit after crushing
Stone product is sieved into sieving technology YAG1836 circular shale shakers, screen-aperture 20mm, the qualified grain size mineral product under sieve
Into operation 4, unqualified grade mineral product returns to PYD1750 gyratory crushers and continues to crush through belt conveyer on sieve；
Dry high-magnetic separation operation 4, the ore that operation 3 feeds is not less than 500mm, belt scraper through belt slide carriage control material is wide
Control material is thick less than after 100mm, is sent to the magnetic force of the Gauss of magnetic induction intensity 6000 through belt conveyer under the belt speed of 2.5m/s
Roller carries out magnetic separation, the poor value of the magnetic concentrate and nickel grade of final output nickel grade more than 1% below 0.2%, real
The further classification of high and low grade rock in existing ore, magnetic concentrate is directly entered independent concentrate store, and magnetic tailing enters lower road
Operation；
Magnetic tailing mixing and filling operation 5, the percutaneous band of magnetic tailing that operation 4 feeds enters work stone storehouse, the magnetic in work stone storehouse
Mine tailing is selected to enter underground mixing plant as filling aggregate, according to aggregate and cement mortar 3:1 ratio supplies well after being mixed
Lower mining filling process is used.
Claims (2)
1. it is a kind of from discarded copper-nickel sulfide reclaim nickel metal beneficiation method, it is characterised in that the beneficiation method successively include with
Lower operation：
1. open circuit crushing screening operation, discards copper-nickel sulfide and enters prescreening operation, mineral product on sieve after single stage crushing
Enter dry type low intensity magnetic separation operation 2. after two-stage crushing, 2. the lower mineral product of sieve enters dry type low intensity magnetic separation operation, wherein the lower ore deposit of sieve
The granularity of stone product is less than 40mm；
2. dry type low intensity magnetic separation operation, the ore that 1. operation feeds at the uniform velocity is delivered to magnetic force roller and carries out magnetic by belt conveyer
Choosing, in 400mT~500mT, the magnetic concentrate and nickel grade of acquisition nickel grade more than 1% are below 0.3% for magnetic induction control
Poor value, magnetic concentrate enters concentrate store, and magnetic tailing enters next procedure；
3. operation is sieved in closed circuit crushing, and the operation constitutes closed circuit crushing technique, work by broken operation break-down and check screening operation break-down
The magnetic tailing that 2. sequence feeds enters broken operation break-down and is crushed, and check screening operation break-down is entered after crushing, and ore is produced on sieve
Product return to broken operation break-down, and 4. the lower mineral product of sieve enters operation, wherein the granularity of the lower mineral product of sieve is less than 20mm；
4. dry high-magnetic separation operation, the ore that 3. operation feeds at the uniform velocity is delivered to magnetic force roller and carries out magnetic by belt conveyer
Choosing, in 550mT~600mT, the magnetic concentrate and nickel grade of acquisition nickel grade more than 1% are below 0.2% for magnetic induction control
Poor value, magnetic concentrate enters concentrate store, and magnetic tailing enters next procedure；
5. magnetic tailing mixing and filling operation, the percutaneous band of magnetic tailing that 4. operation feeds enters work stone storehouse, the magnetic in work stone storehouse
Mine tailing is selected to enter underground mixing plant as filling aggregate, according to filling aggregate and cement mortar 3:After 1 ratio is mixed
Used for underground mining filling process.
2. it is according to claim 1 it is a kind of from discarded copper-nickel sulfide reclaim nickel metal beneficiation method, it is characterized in that
2. middle belt thickness of feed layer is less than 300mm to operation, and bed of material width is not less than 500mm, and belt conveyer belt speed is controlled in 2.8m/s
~3.5m/s；4. middle belt thickness of feed layer is less than 100mm to operation, and bed of material width is not less than 500mm, the control of belt conveyer belt speed
In 2.2m/s~3m/s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611018545.0A CN106694190B (en) | 2016-11-18 | 2016-11-18 | A kind of beneficiation method recycling nickel metal from discarded copper-nickel sulfide |
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|---|---|---|---|
| CN201611018545.0A CN106694190B (en) | 2016-11-18 | 2016-11-18 | A kind of beneficiation method recycling nickel metal from discarded copper-nickel sulfide |
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| CN106694190A true CN106694190A (en) | 2017-05-24 |
| CN106694190B CN106694190B (en) | 2019-05-21 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107694733A (en) * | 2017-11-22 | 2018-02-16 | 成都大宏立机器股份有限公司 | Modularization disintegrating apparatus and building aggregate crushing system |
| CN112474030A (en) * | 2020-11-19 | 2021-03-12 | 金川集团股份有限公司 | Beneficiation method for copper-nickel sulfide ore |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011131195A (en) * | 2009-12-25 | 2011-07-07 | Jfe Steel Corp | Method for recovering manganese oxide from dry cell |
| CN102921639A (en) * | 2012-11-16 | 2013-02-13 | 鞍钢集团矿业公司 | Sectionalized dry separation process for magnetic minerals |
| CN103736588A (en) * | 2014-01-16 | 2014-04-23 | 玉溪大红山矿业有限公司 | Efficient beneficiation method of comprehensively recovering low-grade vanadium titano-magnetite |
| CN105855019A (en) * | 2016-05-24 | 2016-08-17 | 中国地质科学院郑州矿产综合利用研究所 | Ultrafine crushing-grading magnetic separation method for magnetite |
| CN105983475A (en) * | 2016-02-19 | 2016-10-05 | 中建材（合肥）粉体科技装备有限公司 | High-pressure roller mill crushing system for magnetite and mineral dressing method of high-pressure roller mill crushing system |
-
2016
- 2016-11-18 CN CN201611018545.0A patent/CN106694190B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011131195A (en) * | 2009-12-25 | 2011-07-07 | Jfe Steel Corp | Method for recovering manganese oxide from dry cell |
| CN102921639A (en) * | 2012-11-16 | 2013-02-13 | 鞍钢集团矿业公司 | Sectionalized dry separation process for magnetic minerals |
| CN103736588A (en) * | 2014-01-16 | 2014-04-23 | 玉溪大红山矿业有限公司 | Efficient beneficiation method of comprehensively recovering low-grade vanadium titano-magnetite |
| CN105983475A (en) * | 2016-02-19 | 2016-10-05 | 中建材（合肥）粉体科技装备有限公司 | High-pressure roller mill crushing system for magnetite and mineral dressing method of high-pressure roller mill crushing system |
| CN105855019A (en) * | 2016-05-24 | 2016-08-17 | 中国地质科学院郑州矿产综合利用研究所 | Ultrafine crushing-grading magnetic separation method for magnetite |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107694733A (en) * | 2017-11-22 | 2018-02-16 | 成都大宏立机器股份有限公司 | Modularization disintegrating apparatus and building aggregate crushing system |
| CN107694733B (en) * | 2017-11-22 | 2023-09-05 | 成都大宏立机器股份有限公司 | Modularized crushing equipment and building aggregate crushing system |
| CN112474030A (en) * | 2020-11-19 | 2021-03-12 | 金川集团股份有限公司 | Beneficiation method for copper-nickel sulfide ore |
| CN112474030B (en) * | 2020-11-19 | 2022-03-15 | 金川集团股份有限公司 | Beneficiation method for copper-nickel sulfide ore |
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| CN106694190B (en) | 2019-05-21 |
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