CN106733226B - The pillar cation reverse flotation technique of Hematite - Google Patents
The pillar cation reverse flotation technique of Hematite Download PDFInfo
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- CN106733226B CN106733226B CN201611179161.7A CN201611179161A CN106733226B CN 106733226 B CN106733226 B CN 106733226B CN 201611179161 A CN201611179161 A CN 201611179161A CN 106733226 B CN106733226 B CN 106733226B
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- flotation column
- flotation
- roughing
- column
- underflow
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
- B03D1/24—Pneumatic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
- B03D1/24—Pneumatic
- B03D1/245—Injecting gas through perforated or porous area
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Abstract
The invention discloses a kind of pillar cation reverse flotation technique of Hematite, the floatation equipment used is packed type microvesicle counter current contacting formula flotation column.The Hematite initially enters agitator adding medicine and sizes mixing mixing, then one roughing is carried out with being pumped to one roughing flotation column, the froth pulp of one roughing flotation column enters secondary roughing flotation column and carries out secondary roughing, the underflow of one roughing flotation column and secondary roughing flotation column is selected into the progress of selected flotation column after merging, and the underflow of selected flotation column is concentrate；The froth pulp of secondary roughing flotation column, which enters, to be scanned flotation column and is scanned, scan flotation column underflow merge with the froth pulp of selected flotation column after secondary roughing flotation column returned again to by pump；The froth pulp for scanning flotation column is tailing.This technique simplifies the flotation flowsheet and regime of agent of bloodstone, realizes normal temperature flotation, reduces flotation cost.
Description
Technical field
The present invention relates to a kind of ore-dressing technique, the pillar cation reverse flotation technique of especially a kind of Hematite.
Background technique
The microfine lean hematite difficult iron ore deposit very big as China's reserves comprehensively utilizes its efficient low-consume new
The research of technology, which just becomes, to be expanded China's available resources amount, reduces the important channel relied on imported Fe ore height；Especially
Under current severe mineral industry market situation, by promoting iron ore beneficiation technological progress synergy consumption reduction, for improving mine benefit,
Extend mine life, the sustainable development of mine and regional economy is promoted just to be of great immediate significance.
In the existing hematite reverse flotation technique in China, one roughing is mostly used greatly, primary cleaning, is swept twice or thrice
The anion reverse floatation process of choosing, and the floatation equipment used is flotation device more.That there are occupation area of equipment is big for the process, yin
The disadvantage of the flotation of ion reverse floatation process high temperature, flotation flowsheet and regime of agent complexity.Compared with anion reverse floatation technique, sun
Ion reverse floatation process have the advantages that regime of agent it is simple, can normal temperature flotation, flotation it is at low cost.This technique is simple by regime of agent
It is single, can normal temperature flotation cation reverse flotation and be the novel of main feature with " highly selective and high efficiente callback fine-particle minerals "
Packed flotation column is introduced into the reverse flotation of bloodstone, proposes a kind of pillar cation reverse flotation technique of bloodstone, it can be achieved that red
Effective recycling of the particulate iron mineral in flotation operation, and simple flow, reduce cost in iron ore Beneficiation flowsheet.
Summary of the invention
1. solving technical problem
That the technical problem to be solved in the present invention is to provide a kind of flowage structure and regime of agent is simple, can normal temperature flotation it is micro-
The pillar cation reverse flotation technique of Fine Hematite Ore.
2. technical solution
In order to solve the above technical problems, the technical solution used in the present invention is: a kind of pillar sun of Hematite
Ion reverse floatation process, it is characterised in that:
Hematite described in S1 enters agitator dosing and sizes mixing mixing；
Ore pulp mixed in S1 is sent to one roughing flotation column using pump and carries out one roughing, one roughing flotation by S2
Post separation goes out froth pulp and underflow；
Froth pulp described in S2 is sent to secondary roughing flotation column and carries out secondary roughing, secondary roughing flotation column point by S3
Separate out froth pulp and underflow；
S4 is selected into the progress of selected flotation column after merging underflow in S2 and S3, and froth pulp and bottom are separated into after selected
Stream；
The froth pulp entrance that secondary roughing flotation column in S3 is selected is scanned flotation column and scanned by S5, scans flotation
Post separation goes out froth pulp and underflow；
S6 by pump returns again to two after merging the underflow for scanning flotation column in S5 with the froth pulp of flotation column selected in S4
Secondary roughing flotation column repeats S3 ~ S6 step；
The underflow of selected flotation column in S4 described in S7 is concentrate, and the froth pulp for scanning flotation column in the S5 is tail
Mine.
The pillar cation reverse flotation technique of Hematite of the invention is preferably, and is added in the S1 agitator
Medicament be inhibitor and collecting agent.
The pillar cation reverse flotation technique of Hematite of the invention is preferably, and the inhibitor is starch, is formed sediment
Powder is common effective inhibitor of bloodstone, and starch is the lotusization amidin of 6 wt% of concentration.
The pillar cation reverse flotation technique of Hematite of the invention is preferably, and the collecting agent is caught for cation
Agent GE-609 is received, which has collecting ability strong, and dosage is low, easily defoams, low temperature resistant advantage；Collecting agent GE-609 is dense
Spend the aqueous solution of 1 wt%.
The pillar cation reverse flotation technique of Hematite of the invention is preferably, and the flotation column uses packed type
Microvesicle counter current contacting formula flotation column, filling medium uses the inclined hole flase floor of polyethylene material in flotation column, and inclined hole angle is
45 °, percent opening is 70%~80%, and the angle of the crossing between adjacent two layers filling medium is 180o.
The pillar cation reverse flotation technique of Hematite of the invention is preferably, in the S2 in reverse flotation flowsheet
When one roughing, starch additional amount is 1200-1300g/t, and collecting agent GE-609 additional amount is 260-300g/t；
Secondary roughing in the S3 and in S5 when scanning, for the rate of recovery for guaranteeing process, starch and starch is only added
Additional amount is identical, is 600-650g/t；
When S4 is selected, to guarantee concentrate grade, collecting agent GE-609 is only added, collecting agent additional amount is 130-150g/
t；
The pillar cation reverse flotation technique of Hematite of the invention is preferably, and the operating condition of flotation column is,
To the 30 wt%-35 wt% of pulp density of mine, 800 mL/min -900mL/min of mine speed, 3.0 L/min- of aeration quantity are given
4.0L/min, 30 cm -35cm of foam layer height, each condition are easy to realize and automatically control.
3. beneficial effect
Generated beneficial effect is by adopting the above technical scheme.
1. the present invention is simple by regime of agent, can the cation reverse flotation technique of normal temperature flotation introduce the flotation of bloodstone
Process, the float target for realizing simple flow, reducing cost, high efficiente callback.
2. the present invention will be the packed type microvesicle adverse current of main feature with " highly selective and high efficiente callback fine-particle minerals "
The novel filling of contact flotation column kind is floated column and is introduced into the reverse flotation of bloodstone, forms red iron with cation reverse flotation process combination
The pillar cation reverse flotation technique of mine, shortens flotation flowsheet, reduces final flotation tailing grade, enhances particulate iron ore
Effective recycling of object.
3. having obtained the full column of bloodstone instead of the flotation device in hematite reverse flotation process with novel Packed flotation column
Formula flotation flowsheet, reduces occupation area of equipment, reduces beneficiation cost.
4. using roughing twice during reverse flotation, the underflow after first time roughing and second of roughing carries out essence again
Choosing, the upper foam after second of roughing scanned, it is selected after upper foam and the underflow after scanning return again to second
Roughing improves concentrate grade by entire flotation flowsheet, reduces tailings grade.
5. the inhibitor is starch, starch is at low cost, and inhibitory effect is good；Furthermore collecting agent is cation-collecting agent
GE-609, the collecting agent have collecting ability strong, and dosage is low, easily defoam, low temperature resistant advantage；Starch is the lotus of 6 wt% of concentration
Change amidin, collecting agent GE-609 is the aqueous solution of 1 wt% of concentration, is conducive to improve concentrate grade, reduces tailings grade.
6. secondary roughing in S3 and in S5 when scanning, starch only is added and starch additional amount is identical, is 600-
650g/t；When S4 is selected, collecting agent GE-609 is only added in the rate of recovery that process can be improved, and collecting agent additional amount is 130-150g/
t；Concentrate grade can be mentioned.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is flowage structure schematic diagram of the invention.
Fig. 2 is the structural schematic diagram of the packed type microvesicle counter current contacting formula flotation column in process of the present invention.
Fig. 3 is the Turbogrid plates cross-sectional view of the structure filled in microvesicle counter current contacting formula flotation column in the present invention.
1, occur to mine 2, shower water 3, ore feeder 4, froth pulp 5, Turbogrid plates 6, underflow 7, bubble
Device 8, flange 9, air compressor machine.
Specific embodiment
Embodiment 1: the pillar cation reverse flotation technique of this Hematite uses following raw materials and processing step.
Raw material: Tangshan Area man, department is selected to seek mineral processing plant bloodstone process flow (stage grinding, thickness grading, again
Choosing-magnetic separation-reverse flotation) in reverse flotation to mine.The metalliferous mineral of the raw material is mainly hematite-limonite, magnetic iron ore, half illusion
Bloodstone, martite；Gangue mineral is mainly quartz.Mine grade TFe39.89%, -200 mesh of fineness are given in reverse flotation roughing
90.46% is accounted for, pulp density 35wt%.
Processing step: sizing mixing mixing as shown, flotation initially enters agitator dosing to mine, and drug concentration is 6wt%'s
The collecting agent GE-609 of lotusization amidin and concentration 1wt%；Then be pumped to one roughing flotation column carry out it is primary thick
Choosing, the froth pulp of one roughing flotation column enter secondary roughing flotation column and carry out secondary roughing, one roughing flotation column and two
The underflow of secondary roughing flotation column is selected into the progress of selected flotation column after merging, and the underflow of selected flotation column is concentrate；It is secondary thick
It selects the froth pulp entrance of flotation column to scan flotation column to be scanned, the foam of the underflow and selected flotation column of scanning flotation column produces
Secondary roughing flotation column is returned again to by pump after product merging；The froth pulp for scanning flotation column is tailing.The flotation that each operation uses
Equipment is packed type microvesicle counter current contacting formula flotation column.Packed type microvesicle counter current contacting formula flotation column filling medium uses poly- second
The inclined hole flase floor of alkene material, inclined hole angle are 45 °, percent opening 75%.Ore pulp enters packed type microvesicle adverse current by feed port and connects
Touch flotation column is uniformly fed in column by ore feeder；After gas enters lower part bubble generator after air compressor machine pressurizes, generate
A large amount of micro air bubbles, bubble rise along the channel of filling medium, collide with the ore pulp counter current contact Jing Guo chemicals treatment, hydrophobicity
Ore particle is attached on bubble and rises to froth bed with bubble；Not by the ore particle of bubble mineralization as underflow from lower part ore discharge
Pipe discharge.Specific regime of agent in cation reverse flotation are as follows: one roughing starch additional amount is 1200g/t, collecting agent GE-
609 additional amounts are 300g/t；Secondary roughing and when scanning, is only added starch, starch additional amount is 600g/t；When selected, only
Collecting agent GE-609 is added, collecting agent additional amount is 150g/t.The operating condition of each operation flotation column is to give mine speed
847.0mL/min, aeration quantity 4.0L/min, foam layer height 35cm, ore discharge are automatic setting.Gained flotation final concentrate grade
It is 65.97%, flotation true tailings grade is 13.87%.
Embodiment 2: the pillar cation reverse flotation technique of this Hematite uses following raw materials and processing step.
Raw material: select Tangshan Area man, department battalion the ore mining of iron ore earth's surface out hematite ore stage grinding, thickness grading,
Reverse flotation in gravity treatment-magnetic separation-reverse flotation process flow is to mine.The mineral composition of the raw material is simple, is with red, limonite
Master, followed by magnetic iron ore, there are also a small amount of illusions, half martite.Gangue mineral is secondly actinolite etc. based on quartz.
Mine grade TFe42.15% is given in reverse flotation roughing, and -200 mesh of fineness accounts for 92.61%, 30 wt% of pulp density.
Processing step is substantially the same as embodiment 1.Specific regime of agent in cation reverse flotation are as follows: one roughing starch is added
Amount is 1300g/t, and collecting agent GE-609 additional amount is 280g/t；Secondary roughing and when scanning, is only added starch, starch additional amount
It is 650g/t；When selected, collecting agent GE-609 is only added, collecting agent additional amount is 140g/t.The operation of each operation flotation column
Condition is to give mine speed 900.0mL/min, aeration quantity 4.0L/min, foam layer height 30cm, and ore discharge is automatic setting.Gained is floating
Selecting final concentrate grade is 66.57%, and flotation true tailings grade is 14.21%.
Claims (3)
1. a kind of pillar cation reverse flotation technique of Hematite, it is characterised in that:
Hematite described in S1 enters agitator dosing and sizes mixing mixing；
Ore pulp mixed in S1 is sent to one roughing flotation column using pump and carries out one roughing, one roughing flotation column point by S2
Separate out froth pulp and underflow；
Froth pulp described in S2 is sent to secondary roughing flotation column and carries out secondary roughing by S3, and secondary roughing flotation column is isolated
Froth pulp and underflow；
S4 is selected into the progress of selected flotation column after merging underflow in S2 and S3, and froth pulp and underflow are separated into after selected；
The froth pulp entrance that secondary roughing flotation column in S3 is selected is scanned flotation column and scanned by S5, scans flotation column point
Separate out froth pulp and underflow；
S6 is returned again to secondary thick by pump after merging the underflow for scanning flotation column in S5 with the froth pulp of flotation column selected in S4
Flotation column is selected, S3 ~ S6 step is repeated；
The underflow of selected flotation column in S4 described in S7 is concentrate, and the froth pulp for scanning flotation column in the S5 is tailing；
The medicament being added in the S1 agitator is inhibitor and collecting agent；The inhibitor is starch, and starch is concentration 6
The lotusization amidin of wt%；The collecting agent is cationic collector GE-609；Collecting agent GE-609 is 1 wt%'s of concentration
Aqueous solution；
In the S2 in reverse flotation flowsheet when one roughing, starch additional amount is 1200-1300g/t, and collecting agent GE-609 is added
Amount is 260-300g/t；
Secondary roughing in the S3 and in S5 when scanning, starch only is added and starch additional amount is identical, is 600-650g/
t；
When the S4 is selected, collecting agent GE-609 is only added, collecting agent additional amount is 130-150g/t.
2. the pillar cation reverse flotation technique of Hematite according to claim 1, it is characterised in that: described floating
Column is selected to use packed type microvesicle counter current contacting formula flotation column, filling medium uses the inclined hole grid of polyethylene material in flotation column
Plate, inclined hole angle are 45 °, and percent opening is 70%~80%, and the angle of the crossing between adjacent two layers filling medium is 180o.
3. the pillar cation reverse flotation technique of Hematite according to claim 1, which is characterized in that described floating
The operating condition for selecting column is, to the 30 wt%-35 wt% of pulp density of mine, to give 800 mL/min -900mL/min of mine speed, fill
3.0 L/min- 4.0L/min of tolerance, 30 cm -35cm of foam layer height.
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| CN201611179161.7A CN106733226B (en) | 2016-12-19 | 2016-12-19 | The pillar cation reverse flotation technique of Hematite |
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| CN201611179161.7A CN106733226B (en) | 2016-12-19 | 2016-12-19 | The pillar cation reverse flotation technique of Hematite |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1966154A (en) * | 2006-11-25 | 2007-05-23 | 中国矿业大学 | Column type short flow reverse floatation process and apparatus for hematite |
| CN102500470A (en) * | 2011-11-21 | 2012-06-20 | 河北钢铁集团滦县司家营铁矿有限公司 | High-concentration reverse flotation process for hematite |
| CN102553717A (en) * | 2012-01-13 | 2012-07-11 | 鞍钢集团矿业公司 | Beneficiation process for high-sulfur hematite |
| CN103495506A (en) * | 2013-10-10 | 2014-01-08 | 鞍钢集团矿业公司 | Agent for reverse flotation of iron ore and combination use method |
| CN103495509A (en) * | 2013-10-10 | 2014-01-08 | 鞍钢集团矿业公司 | Micro-fine particle iron ore reverse flotation reagent and use method thereof |
| RU2013119104A (en) * | 2013-04-24 | 2014-10-27 | Марк Григорьевич Видуецкий | FLOTATION PNEUMATIC MACHINE |
| CN104759355A (en) * | 2015-04-28 | 2015-07-08 | 中冶北方（大连）工程技术有限公司 | Micro-fine particle hematite greater circulation mine returning negative ion reverse flotation technology |
| CN105289849A (en) * | 2015-11-05 | 2016-02-03 | 鞍钢集团矿业公司 | Surface magnetic induction agglomeration flotation method for micro-fine particle hematite |
-
2016
- 2016-12-19 CN CN201611179161.7A patent/CN106733226B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1966154A (en) * | 2006-11-25 | 2007-05-23 | 中国矿业大学 | Column type short flow reverse floatation process and apparatus for hematite |
| CN102500470A (en) * | 2011-11-21 | 2012-06-20 | 河北钢铁集团滦县司家营铁矿有限公司 | High-concentration reverse flotation process for hematite |
| CN102553717A (en) * | 2012-01-13 | 2012-07-11 | 鞍钢集团矿业公司 | Beneficiation process for high-sulfur hematite |
| RU2013119104A (en) * | 2013-04-24 | 2014-10-27 | Марк Григорьевич Видуецкий | FLOTATION PNEUMATIC MACHINE |
| CN103495506A (en) * | 2013-10-10 | 2014-01-08 | 鞍钢集团矿业公司 | Agent for reverse flotation of iron ore and combination use method |
| CN103495509A (en) * | 2013-10-10 | 2014-01-08 | 鞍钢集团矿业公司 | Micro-fine particle iron ore reverse flotation reagent and use method thereof |
| CN104759355A (en) * | 2015-04-28 | 2015-07-08 | 中冶北方（大连）工程技术有限公司 | Micro-fine particle hematite greater circulation mine returning negative ion reverse flotation technology |
| CN105289849A (en) * | 2015-11-05 | 2016-02-03 | 鞍钢集团矿业公司 | Surface magnetic induction agglomeration flotation method for micro-fine particle hematite |
Non-Patent Citations (2)
| Title |
|---|
| GE-609阳离子捕收剂用于岚县赤铁矿反浮选的研究;葛英勇等;《金属矿山》;20060801;第183-185页 |
| 充填浮选柱在赤铁矿反浮选中的应用试验研究;王伟之等;《矿山机械》;20140210;第42卷(第2期);第97-100页 |
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