CN108080137A - A kind of iron content, the flotation of copper and cobalt composite ore, separating technology - Google Patents

A kind of iron content, the flotation of copper and cobalt composite ore, separating technology Download PDF

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Publication number
CN108080137A
CN108080137A CN201611033773.5A CN201611033773A CN108080137A CN 108080137 A CN108080137 A CN 108080137A CN 201611033773 A CN201611033773 A CN 201611033773A CN 108080137 A CN108080137 A CN 108080137A
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CN
China
Prior art keywords
cobalt
copper
concentrate
flotation
grade
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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.)
Pending
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CN201611033773.5A
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Chinese (zh)
Inventor
颜瑞
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Ansteel Mining Co Ltd
Angang Group Mining Co Ltd
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Angang Group Mining Co Ltd
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Priority to CN201611033773.5A priority Critical patent/CN108080137A/en
Publication of CN108080137A publication Critical patent/CN108080137A/en
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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
    • B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B7/00—Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage
    • 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
    • B03D1/001—Flotation agents
    • B03D1/018—Mixtures of inorganic and organic compounds
    • 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
    • B03D2201/00—Specified effects produced by the flotation agents
    • B03D2201/005—Dispersants
    • 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
    • B03D2201/00—Specified effects produced by the flotation agents
    • B03D2201/06—Depressants
    • 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
    • B03D2203/00—Specified materials treated by the flotation agents; specified applications
    • B03D2203/02—Ores

Abstract

The invention belongs to technical field of beneficiation, using the magnetite beneficiation process Benefication of magnetite of three stages of magnetic separation of grind grading, copper and cobalt are sorted using the bulk flotation of copper cobalt, separating technology for flotation, the separating technology of more particularly to a kind of iron content, copper and cobalt composite ore.It is an advantage of the invention that：Three kinds of valuable minerals are respectively adopted first selects qualified iron ore concentrate with magnetic separation, the copper concentrate of qualification and sorting sequentially for cobalt concentrate are successively sub-elected with flotation afterwards, gradually reduce next milling capacity for sorting system, it effectively reduces the energy consumption, reduce production cost, and three kinds of concentrate have reached industrial utilization level, realize effective synthetical recovery of three kinds of elements, add economic benefit.

Description

A kind of iron content, the flotation of copper and cobalt composite ore, separating technology
Technical field
The invention belongs to technical field of beneficiation, flotation, the separating technology of more particularly to a kind of iron content, copper and cobalt composite ore.
Background technology
Containing certain copper and cobalt element in the iron ore contained in Laiwu in Shandong province of China, these ores are mostly magnetic Iron ore enters to grind the grade of iron in ore mostly between 34%-36%, the grade of copper between 0.05%-0.1%, cobalt Grade is mostly between 0.01-0.015%.Since the grade of copper and cobalt is relatively low in raw ore, and industry can use copper concentrate lowest quality More than 10%, industry can use cobalt concentrate lowest quality more than 0.2%, and copper and cobalt, which are enriched to industry, can use the difficulty of copper concentrate and cobalt concentrate It is excessively high to spend larger and cost.In addition the disseminated grain size of copper and cobalt is special thin, it is necessary to which being ground to -0.043mm accounts for 80%- in this area's ore 85%, copper and cobalt can be only achieved monomer dissociation and sorted out in follow-up flotation, so locality selects factory generally only to select iron, no Copper and cobalt are selected, results in the loss of precious metal copper and cobalt.So we it is necessary to develop one kind can obtain qualified iron ore concentrate, Copper concentrate and cobalt concentrate save energy consumption, reduce cupric ore containing the cobalt magnet sorting process of production cost.
The content of the invention
The object of the present invention is to provide invention one kind can obtain qualified copper concentrate and cobalt concentrate, save energy consumption, reduce life Produce the iron content of cost, the flotation of copper and cobalt composite ore, separating technology.
The purpose of the present invention is what is realized by following technical proposals：
A kind of iron content of the present invention, the flotation of copper and cobalt composite ore, separating technology, including using-three stages of magnetic separation of ore grinding-classification, The magnetite beneficiation process of the ore grinding-classification-magnetic separation is：
(1) it is 0~12mm by the granularity after crushing and screening, TFe grades are 34%-36%, copper grade 0.05%-0.1%, cobalt product Position, which for the product of 0.01-0.015% by belt feeder feeds primary ball mill-cyclone I and is classified, forms closed circuit grinding, wherein Closed circuit grinding product granularity is controlled in -0.074mm contents 60%-65%；
(2) the overflow product of cyclone is fed into two sections of continuous low intensity magnetic separations, two sections of continuous weak magnetic concentrate selection iron recovery 90%- 92%, Iron grade 62%-63%；Two sections of continuous weak magnetic concentrate selections feed two sections of classification composition closed circuit grindings of ball milling-cyclone II, close It is selected that road ore milling product -0.074mm contents 90%-95% feeds three sections of weak magnetics；
(3) three sections of selected concentrate of weak magnetic that grade is 65%-68% are final iron ore concentrate, and the rate of recovery of iron reaches in iron ore concentrate More than 85%；
It is characterized in that：Further include the bulk flotation of copper cobalt, separating technology：It is as follows：
(1) butyl xanthate or diesel oil collecting agent will be sequentially added after the concentrated machine concentration of three sections of weak magnetic cleaner tailings and foaming agent stirs The rough floatation operation of copper cobalt bulk flotation system is fed after mixing, obtains the froth concentrate of copper cobalt mixing rough floatation and copper cobalt rough floatation Underflow tailing；
(2) the froth concentrate of the copper cobalt mixing rough floatation is added after dispersant stirring and feed copper cobalt mixing cleaner flotation work Industry obtains yield 3%-4%, and copper grade 10%, the rate of recovery 38%, up to 0.16%, the copper cobalt of cobalt rate of recovery 2.5%-3% mixes cobalt grade Cleaner flotation concentrate and copper cobalt mixing cleaner flotation tailing；
(3), by yield 3%-4%, copper grade 10-11%, the rate of recovery 38%, cobalt grade reaches 0.16-0.17%, cobalt rate of recovery 2.5%-3%'s The concentrate of copper cobalt cleaner flotation mixing feeds the closed circuit grinding operation that ball mill-cyclone composition is regrinded in flotation；
(4) inhibitor, collecting agent and foaming agent is added into the overflow product of -0.043mm contents 88%-90% of cyclone to stir Separation of Cu and Co flotation operation is fed after mixing；
(5) the froth concentrate of separation of Cu and Co flotation operation is final copper concentrate, Cu Concentrate Grade 24%-25%, and copper recovery is 25%-30%；
(7) the underflow tailing of separation of Cu and Co flotation operation, up to 0.18%, cobalt rate of recovery 2%-2.5% feeds separation of Cu and Co and sweeps cobalt grade Flotation operation sweeps FLOTATION SEPARATION operation and adds in inhibitor, and the tailing that separation of Cu and Co sweeps flotation is final cobalt concentrate, grade 0.2%-0.3%, cobalt rate of recovery 1.5-1.8%.
The dispersant is waterglass, and the inhibitor is Z-200 cobalt inhibitor, and addition is done for 3.75g/t Ore deposit.
It is an advantage of the invention that：
The technique of the present invention using-three stages of magnetic separation of ore grinding-classification, selects qualified iron ore concentrate first, and magnetic tailing feeds copper cobalt Mixing sorts system, and the concentrate that the mixing of copper cobalt sorts system feeds separation of Cu and Co flotation, final iron concentrate grade 65%-68%, copper Concentrate grade 24%-25%, cobalt concentrate grade 0.2%-0.3%, three kinds of concentrate have reached industrial utilization level, have realized three kinds of members Effective synthetical recovery of element, adds economic benefit.
Description of the drawings
Fig. 1 is the process flow diagram of the present invention.
Specific embodiment
The specific embodiment further illustrated the present invention below in conjunction with the accompanying drawings.
As shown in Figure 1, the iron content of the present invention, the flotation of copper and cobalt composite ore, separating technology, including use ore grinding-classification- Three stages of magnetic separation, the magnetite beneficiation process of the ore grinding-classification-magnetic separation are：
(1) it is 0~12mm by the granularity after crushing and screening, TFe grades are 34%-36%, copper grade 0.05%-0.1%, cobalt product Position, which for the product of 0.01-0.015% by belt feeder feeds primary ball mill-cyclone I and is classified, forms closed circuit grinding, wherein Closed circuit grinding product granularity is controlled in -0.074mm contents 60%-65%；
(2) the overflow product of cyclone is fed into two sections of continuous low intensity magnetic separations, two sections of continuous weak magnetic concentrate selection iron recovery 90%- 92%, Iron grade 62%-63%；Two sections of continuous weak magnetic concentrate selections feed two sections of classification composition closed circuit grindings of ball milling-cyclone II, close It is selected that road ore milling product -0.074mm contents 90%-95% feeds three sections of weak magnetics；
(3) three sections of selected concentrate of weak magnetic that grade is 65%-68% are final iron ore concentrate, and the rate of recovery of iron reaches in iron ore concentrate More than 85%；
It is characterized in that：Further include the bulk flotation of copper cobalt, separating technology：It is as follows：
(1) butyl xanthate or diesel oil collecting agent will be sequentially added after the concentrated machine concentration of three sections of weak magnetic cleaner tailings and foaming agent stirs The rough floatation operation of copper cobalt bulk flotation system is fed after mixing, obtains the froth concentrate of copper cobalt mixing rough floatation and copper cobalt rough floatation Underflow tailing；
(2) the froth concentrate of the copper cobalt mixing rough floatation is added after dispersant stirring and feed copper cobalt mixing cleaner flotation work Industry obtains yield 3%-4%, and copper grade 10%, the rate of recovery 38%, up to 0.16%, the copper cobalt of cobalt rate of recovery 2.5%-3% mixes cobalt grade Cleaner flotation concentrate and copper cobalt mixing cleaner flotation tailing；
(3), by yield 3%-4%, copper grade 10-11%, the rate of recovery 38%, cobalt grade reaches 0.16-0.17%, cobalt rate of recovery 2.5%-3%'s The concentrate of copper cobalt cleaner flotation mixing feeds the closed circuit grinding operation that ball mill-cyclone composition is regrinded in flotation；
(4) inhibitor, collecting agent and foaming agent is added into the overflow product of -0.043mm contents 88%-90% of cyclone to stir Separation of Cu and Co flotation operation is fed after mixing；
(5) the froth concentrate of separation of Cu and Co flotation operation is final copper concentrate, Cu Concentrate Grade 24%-25%, and copper recovery is 25%-30%；
(7) the underflow tailing of separation of Cu and Co flotation operation, up to 0.18%, cobalt rate of recovery 2%-2.5% feeds separation of Cu and Co and sweeps cobalt grade Flotation operation sweeps FLOTATION SEPARATION operation and adds in inhibitor, and the tailing that separation of Cu and Co sweeps flotation is final cobalt concentrate, grade 0.2%-0.3%, cobalt rate of recovery 1.5-1.8%.
The dispersant is waterglass, and the inhibitor is Z-200 cobalt inhibitor, and addition is done for 3.75g/t Ore deposit.
Three kinds of valuable minerals are respectively adopted and first select qualified iron ore concentrate with magnetic separation by the present invention, after with flotation successively sub-elect Qualified copper concentrate and cobalt concentrate sort order, gradually reduce next milling capacity for sorting system, it is effective to drop Low energy consumption reduces production cost, and three kinds of concentrate have reached industrial utilization level, realizes the effective comprehensive of three kinds of elements Recycling is closed, adds economic benefit.

Claims (2)

1. a kind of iron content, the flotation of copper and cobalt composite ore, separating technology, described including using-three stages of magnetic separation of ore grinding-classification The magnetite beneficiation process of ore grinding-classification-magnetic separation is：
(1) it is 0~12mm by the granularity after crushing and screening, TFe grades are 34%-36%, copper grade 0.05%-0.1%, cobalt product Position, which for the product of 0.01-0.015% by belt feeder feeds primary ball mill-cyclone I and is classified, forms closed circuit grinding, wherein Closed circuit grinding product granularity is controlled in -0.074mm contents 60%-65%；
(2) the overflow product of cyclone is fed into two sections of continuous low intensity magnetic separations, two sections of continuous weak magnetic concentrate selection iron recovery 90%- 92%, Iron grade 62%-63%；Two sections of continuous weak magnetic concentrate selections feed two sections of classification composition closed circuit grindings of ball milling-cyclone II, close It is selected that road ore milling product -0.074mm contents 90%-95% feeds three sections of weak magnetics；
(3) three sections of selected concentrate of weak magnetic that grade is 65%-68% are final iron ore concentrate, and the rate of recovery of iron reaches in iron ore concentrate More than 85%；
It is characterized in that：Further include the bulk flotation of copper cobalt, separating technology：It is as follows：
(1) butyl xanthate or diesel oil collecting agent will be sequentially added after the concentrated machine concentration of three sections of weak magnetic cleaner tailings and foaming agent stirs The rough floatation operation of copper cobalt bulk flotation system is fed after mixing, obtains the froth concentrate of copper cobalt mixing rough floatation and copper cobalt rough floatation Underflow tailing；
(2) the froth concentrate of the copper cobalt mixing rough floatation is added after dispersant stirring and feed copper cobalt mixing cleaner flotation work Industry obtains yield 3%-4%, and copper grade 10%, the rate of recovery 38%, up to 0.16%, the copper cobalt of cobalt rate of recovery 2.5%-3% mixes cobalt grade Cleaner flotation concentrate and copper cobalt mixing cleaner flotation tailing；
(3), by yield 3%-4%, copper grade 10-11%, the rate of recovery 38%, cobalt grade reaches 0.16-0.17%, cobalt rate of recovery 2.5%-3%'s The concentrate of copper cobalt cleaner flotation mixing feeds the closed circuit grinding operation that ball mill-cyclone composition is regrinded in flotation；
(4) inhibitor, collecting agent and foaming agent is added into the overflow product of -0.043mm contents 88%-90% of cyclone to stir Separation of Cu and Co flotation operation is fed after mixing；
(5) the froth concentrate of separation of Cu and Co flotation operation is final copper concentrate, Cu Concentrate Grade 24%-25%, and copper recovery is 25%-30%；
(7) the underflow tailing of separation of Cu and Co flotation operation, up to 0.18%, cobalt rate of recovery 2%-2.5% feeds separation of Cu and Co and sweeps cobalt grade Flotation operation sweeps FLOTATION SEPARATION operation and adds in inhibitor, and the tailing that separation of Cu and Co sweeps flotation is final cobalt concentrate, grade 0.2%-0.3%, cobalt rate of recovery 1.5-1.8%.
2. iron content according to claim 1, the flotation of copper and cobalt composite ore, separating technology, it is characterised in that point Powder is waterglass, and the inhibitor is Z-200 cobalt inhibitor, and addition is 3.75g/t dry mines.
CN201611033773.5A 2016-11-23 2016-11-23 A kind of iron content, the flotation of copper and cobalt composite ore, separating technology Pending CN108080137A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110935559A (en) * 2019-11-14 2020-03-31 中国恩菲工程技术有限公司 Method for comprehensively treating copper-cobalt ore
CN111841880A (en) * 2020-07-24 2020-10-30 马钢集团设计研究院有限责任公司 Wet-type pre-selection process for copper-containing magnetite ore
CN114178043A (en) * 2021-12-23 2022-03-15 武钢资源集团大冶铁矿有限公司 Mineral separation process for copper-containing iron ore

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110935559A (en) * 2019-11-14 2020-03-31 中国恩菲工程技术有限公司 Method for comprehensively treating copper-cobalt ore
CN111841880A (en) * 2020-07-24 2020-10-30 马钢集团设计研究院有限责任公司 Wet-type pre-selection process for copper-containing magnetite ore
CN114178043A (en) * 2021-12-23 2022-03-15 武钢资源集团大冶铁矿有限公司 Mineral separation process for copper-containing iron ore
CN114178043B (en) * 2021-12-23 2024-04-05 武钢资源集团大冶铁矿有限公司 Beneficiation process for copper-containing iron ore

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