CN107497606A - A kind of regime of agent of phosphorus ore direct flotation roughing - Google Patents

A kind of regime of agent of phosphorus ore direct flotation roughing Download PDF

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Publication number
CN107497606A
CN107497606A CN201710823151.0A CN201710823151A CN107497606A CN 107497606 A CN107497606 A CN 107497606A CN 201710823151 A CN201710823151 A CN 201710823151A CN 107497606 A CN107497606 A CN 107497606A
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CN
China
Prior art keywords
agent
regulators
phosphorus ore
direct flotation
collecting agent
Prior art date
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Pending
Application number
CN201710823151.0A
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Chinese (zh)
Inventor
胡勇
甘顺鹏
蒋世鹏
谢超
季荣
郑贤福
杨三妹
杨清
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China Bluestar Chonfar Engineering and Technology Co Ltd
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China Bluestar Changsha Design and Research Institute
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Priority to CN201710823151.0A priority Critical patent/CN107497606A/en
Publication of CN107497606A publication Critical patent/CN107497606A/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
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/001—Flotation agents
    • B03D1/002—Inorganic 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
    • B03D1/00—Flotation
    • B03D1/001—Flotation agents
    • B03D1/004—Organic compounds
    • B03D1/01—Organic compounds containing nitrogen
    • 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
    • B03D2201/007—Modifying reagents for adjusting pH or conductivity
    • 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
    • B03D2201/02—Collectors
    • 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
    • B03D2203/04—Non-sulfide ores
    • B03D2203/06—Phosphate ores

Abstract

A kind of regime of agent of phosphorus ore direct flotation roughing, first pH regulators and collecting agent are mixed, obtain the mixture of pH regulators and collecting agent；In phosphorus ore direct flotation rougher process, inhibitor is first added, then adds the mixture of pH regulators and collecting agent.The present invention can significantly reduce the collector dosage of phosphorus ore direct flotation roughing, improve the utilization rate of direct flotation collecting agent, reduce floating agent cost.

Description

A kind of regime of agent of phosphorus ore direct flotation roughing
Technical field
The present invention relates to a kind of technique of the floating and enriching phosphorus concentrate from rock phosphate in powder, and in particular to a kind of by using new Medicament addition manner improves phosphorus ore direct floatation process and refers to calibration method.
Background technology
At present, domestic application mainly have in the technique of preparing of collophane floatation, scrubbing-desliming technique, gravity separation, Roasting-digestion process, chemical leaching technologies, photoelectricity selection technology, beneficiation combined method flow, hydrochloric acid decompose mid-low grade collophanite ore system Take phosphoric acid etc..Floatation is that application is most wide, technology also the most ripe one kind.Mainly have using floatation sorting collophane Direct flotation technique, reverse floatation process, direct-reverse flotation technique, trans- direct floatation process and bi-anti-symmetric matrix technique.
At present, comparative maturity, the successful key of floatation are to search out the good, collecting performance of selectivity to flotation of phosphate rock technique The strong collecting agent of energy, next to that searching out selectivity strong gangue mineral and Phosphate minerals inhibitor.
At present, phosphorus ore direct flotation medicament is mainly that oleic acid, aliphatic acid or modified fat are sour and its saponified etc..
In all kinds of documents, phosphorus ore direct flotation medicament order of addition is pH regulators, inhibitor, collecting agent, its collecting agent Dosage is larger, and utilization rate is limited.
The content of the invention
The technical problem to be solved in the present invention is overcome the deficiencies in the prior art, there is provided a kind of phosphorus ore direct flotation roughing Regime of agent, change direct flotation roughing medicament addition manner, improve flotation collector utilization rate, reduce the dosage of collecting agent, drop Low floating agent cost.
It is a kind of regime of agent of phosphorus ore direct flotation roughing that the present invention, which solves the technical scheme that its technical problem uses, first PH regulators and collecting agent are mixed, obtain the mixture of pH regulators and collecting agent；In phosphorus ore direct flotation rougher process, first add Inhibitor, then add the mixture of pH regulators and collecting agent.
Specifically include herein below：
（1）Determine additive amount of medicament：According to the normal medicament order of addition of phosphorus ore direct flotation roughing, i.e., first add pH regulators, so Inhibitor is added afterwards, is eventually adding the order of collecting agent, and the addition of three kinds of medicaments is found out by condition test；
（2）Medicament configuration：Weigh pH regulators and collecting agent, then mix pH regulators and collecting agent, obtain pH regulators and The mixture of collecting agent；
（3）Medicament addition manner：Inhibitor is first added in phosphorus ore direct flotation rougher process, then adds step（2）Middle configuration The mixture of pH regulators and collecting agent.
Further, the pH regulators are Na2CO3, at least one of NaOH.The inhibitor is waterglass, acidifying water At least one of glass, starch etc..The collecting agent is oleic acid, aliphatic acid, modified fat acid, saponification oleic acid, saponified fat Acid, modified fat acid are at least one of saponified.
The preparation method of the acidified sodium silicate：Water glass solution pH is adjusted to 2-4 with sulfuric acid, hydrochloric acid or nitric acid etc., i.e., .
The modified fat acid is product of the aliphatic acid after organic reaction, the organic reaction include substitution reaction, At least one of addition reaction, elimination reaction, redox reaction, esterification etc..
The present invention can significantly reduce the collector dosage of phosphorus ore direct flotation roughing, improve the utilization rate of direct flotation collecting agent, Reduce floating agent cost.
Embodiment
Below in conjunction with embodiment, the invention will be further described.
In following embodiment and comparative example, the preparation method of the acidified sodium silicate：With sulfuric acid by water glass solution pH Desired pH value is adjusted to, is produced.
The collecting agent oleic acid, saponified fat acid (C16-C18) it is commercially available prod.
Comparative example 1
This comparative example comprises the following steps：
（1）By phosphorus ore（Containing P2O518.32wt%）, it is milled to -400 mesh（-0.038mm）60wt% is accounted for below；
（2）One roughing once purging selection is carried out to the raw ore ground, one roughing adds pH regulators Na2CO33333g/t, suppression Preparation acidified sodium silicate（pH=2-3）2333g/t, collecting agent saponified fat acid (C16-C18) 1333g/t, flotation time 5 minutes, Obtain rough concentrate K.After one roughing, collecting agent saponified fat acid (C is added16-C18) 400g/t, flotation time 3 minutes, obtain K and mine tailing X are swept to scavenger concentrate.
Embodiment 1
The preparation of Mixed Pharmacy I：According to the step of comparative example 1（2）Middle roughing pH regulators Na2CO3With roughing collecting agent saponification fat Fat acid (C16-C18) mass ratio be 3333:1333 ratio, by pH regulators Na2CO3With roughing collecting agent saponified fat acid point Do not weigh, be then configured in same container in proportion, obtain mixture-Mixed Pharmacy I of pH regulators and collecting agent.
The preparation of Mixed Pharmacy II：Roughing collector dosage is reduced to 800g/t：Caught according to roughing pH regulators with roughing Receive agent saponified fat acid (C16-C18) mass ratio be 3333:800 ratio, by pH regulators and roughing collecting agent saponified fat Acid weighs in proportion respectively, is then configured in same container, obtains mixture-Mixed Pharmacy of pH regulators and collecting agent Ⅱ。
Scheme one：By phosphorus ore（Containing P2O518.32 wt%）, it is milled to 400 mesh（-0.038mm）60wt% is accounted for below；To mill Broken raw ore carries out one roughing once purging selection, and one roughing adds inhibitor acidified sodium silicate（pH=2-3）2333g/t, mixture The 1333g/t of medicament I（Calculated according to collector dosage）, flotation time 5 minutes, obtain rough concentrate K.After one roughing, add Collecting agent saponified fat acid (C16-C18) 400g/t, flotation time 3 minutes, obtain scavenger concentrate and sweep K and mine tailing X.
Scheme two：Mixed Pharmacy I is changed to Mixed Pharmacy II, the step of iteration scheme one.Result of implementation such as following table.
Table 1
It is total：“P2O5Grade " column " total " refers to that each product returns calculation head grade by weighted average, to show that raw ore has generation Table.It is as follows.
As seen from Table 1, saponified fat acid (C in Mixed Pharmacy II16-C18) dosage substantially reduces, and is reducing collecting Under conditions of agent, gained P2O5Grade and P2O5The rate of recovery can't reduce.
Comparative example 2
This comparative example comprises the following steps：
（1）By phosphorus ore（Containing P2O522.57 wt%）, it is milled to -200 mesh（-0.075mm）67.63 wt% are accounted for below；
（2）One roughing once purging selection is carried out to the raw ore ground, one roughing adds pH regulators Na2CO33333g/t, suppression Preparation acidified sodium silicate（pH=2-3）1066g/t, collecting agent saponification oleic acid 1333g/t, flotation time 5 minutes, obtains rough concentrate K.After one roughing, collecting agent saponification oleic acid 300g/t is added, flotation time 3 minutes, scavenger concentrate is obtained and sweeps K and mine tailing X.
Embodiment 1
The preparation of Mixed Pharmacy I：According to the step of comparative example 2（2）The ratio of middle roughing pH regulators and roughing collecting agent saponification oleic acid Example 3333:1333, pH regulators and roughing collecting agent saponification oleic acid are weighed in proportion respectively, are then configured at same container It is interior, obtain Mixed Pharmacy I.
The preparation of Mixed Pharmacy II：Roughing collector dosage is reduced to 800g/t：Caught according to roughing pH regulators with roughing Receive the mass ratio 3333 of agent saponification oleic acid:800, pH regulators and roughing collecting agent saponification oleic acid are weighed in proportion respectively, so After be configured in same container, obtain Mixed Pharmacy II；
Scheme one：By phosphorus ore（Containing P2O522.57wt%）, it is milled to -200 mesh（-0.038mm）67.63wt% is accounted for below；To mill Broken raw ore carries out one roughing once purging selection, and one roughing adds inhibitor acidified sodium silicate（pH=2-3）1066g/t, mixture The 1333g/t of medicament I（Calculated according to collector dosage）, flotation time 5 minutes, obtain rough concentrate K.After one roughing, add Collecting agent saponification oleic acid 300g/t, flotation time 3 minutes, obtains scavenger concentrate and sweeps K and mine tailing X.
Scheme two：Mixed Pharmacy I is changed to Mixed Pharmacy II, the step of iteration scheme one.Result of implementation such as following table.
Table 2
It is total：“P2O5Grade " column " total " refers to that each product returns calculation head grade by weighted average, to show that raw ore has generation Table.
Saponification oleic acid dosage significantly reduces in Mixed Pharmacy II.
Comparative example 3
This comparative example comprises the following steps：
（1）By phosphorus ore（Containing P2O524.98wt%）, it is milled to -200 mesh（-0.075mm）65.77 wt% are accounted for below；
（2）One roughing once purging selection is carried out to the raw ore ground, one roughing adds pH regulators Na2CO33333g/t, suppression Preparation acidified sodium silicate（pH=2-3）1333g/t, collecting agent saponified fat acid (C16-C18) 1667g/t, flotation time 5 minutes, Obtain rough concentrate K.After one roughing, collecting agent saponified fat acid (C is added16-C18) 300g/t, flotation time 3 minutes, obtain K and mine tailing X are swept to scavenger concentrate.
Embodiment 3
The preparation of Mixed Pharmacy I：According to the step of comparative example 3（2）Middle roughing pH regulators and roughing collecting agent saponified fat acid (C16-C18) mass ratio 3333:1667, pH regulators and roughing collecting agent saponified fat acid are weighed in proportion respectively, then It is configured in same container, obtains Mixed Pharmacy I.
The preparation of Mixed Pharmacy II：Roughing collector dosage is reduced to 1000g/t：Caught according to roughing pH regulators with roughing Receive agent saponified fat acid (C16-C18) mass ratio 3333:1000, pH regulators and roughing collecting agent saponified fat acid are distinguished Weigh, be then configured in same container in proportion, obtain Mixed Pharmacy II.
Scheme one：By phosphorus ore（Containing P2O524.98wt%）, it is milled to -200 mesh（-0.075mm）65.77wt% is accounted for below； One roughing once purging selection is carried out to the raw ore ground, one roughing adds inhibitor acidified sodium silicate（pH=2-3）1333g/t, The 1667g/t of Mixed Pharmacy I（Calculated according to collector dosage）, flotation time 5 minutes, obtain rough concentrate K.After one roughing, then Add collecting agent saponified fat acid (C16-C18) 300g/t, flotation time 3 minutes, obtain scavenger concentrate and sweep K and mine tailing X.
Scheme two：Mixed Pharmacy I is changed to Mixed Pharmacy II, the step of iteration scheme one.Result of implementation such as following table.Mixture Saponified fat acid (C in medicament II16-C18) dosage significantly reduces.
Table 3

Claims (7)

1. a kind of regime of agent of phosphorus ore direct flotation roughing, it is characterised in that first pH regulators and collecting agent are mixed, obtain pH tune Whole dose and the mixture of collecting agent；In phosphorus ore direct flotation rougher process, inhibitor is first added, then adds pH regulators and collecting The mixture of agent.
2. the regime of agent of phosphorus ore direct flotation roughing according to claim 1, it is characterised in that including herein below：
（1）Determine additive amount of medicament：According to the normal medicament order of addition of phosphorus ore direct flotation roughing, i.e., first add pH regulators, so Inhibitor is added afterwards, is eventually adding the order of collecting agent, and the addition of three kinds of medicaments is found out by condition test；
（2）Medicament configuration：Weigh pH regulators and collecting agent, then mix pH regulators and collecting agent, obtain pH regulators and The mixture of collecting agent；
（3）Medicament addition manner：Inhibitor is first added in phosphorus ore direct flotation rougher process, then adds step（2）Middle configuration The mixture of pH regulators and collecting agent.
3. the regime of agent of phosphorus ore direct flotation roughing according to claim 1 or 2, it is characterised in that the pH regulators For Na2CO3, at least one of NaOH.
4. the regime of agent of phosphorus ore direct flotation roughing according to claim 1 or 2, it is characterised in that the inhibitor is At least one of waterglass, acidified sodium silicate, starch.
5. the regime of agent of phosphorus ore direct flotation roughing according to claim 1 or 2, it is characterised in that the collecting agent is Oleic acid, aliphatic acid, modified fat acid, saponification oleic acid, saponified fat acid, modified fat acid are at least one of saponified.
6. the regime of agent of phosphorus ore direct flotation roughing according to claim 1 or 2, it is characterised in that the acidifying water glass The preparation method of glass：Water glass solution pH is adjusted to 2-4 with sulfuric acid, hydrochloric acid or nitric acid etc., produced.
7. the regime of agent of phosphorus ore direct flotation roughing according to claim 1 or 2, it is characterised in that the modified fat Acid is product of the aliphatic acid after organic reaction, and the organic reaction includes substitution reaction, addition reaction, elimination reaction, oxygen Change at least one of reduction reaction, esterification.
CN201710823151.0A 2017-09-13 2017-09-13 A kind of regime of agent of phosphorus ore direct flotation roughing Pending CN107497606A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111036410A (en) * 2019-11-27 2020-04-21 东北大学 Method for removing magnesium from phosphate ore by flotation through chelating inhibitor PBTCA
CN111451001A (en) * 2020-03-10 2020-07-28 中国地质科学院矿产综合利用研究所 Medium-low grade mixed collophanite flotation separation reagent system and application thereof
CN113117882A (en) * 2019-12-30 2021-07-16 有研资源环境技术研究院(北京)有限公司 Pre-flotation method for low-grade phosphorite in high sesquioxide

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104043535A (en) * 2014-06-28 2014-09-17 中蓝连海设计研究院 Phosphorite obverse and reverse flotation method without sodium carbonate in whole process
CN104624379A (en) * 2014-12-29 2015-05-20 中蓝连海设计研究院 Obverse and reverse flotation method of low-grade silica-calcia bearing collophane
CN104801427A (en) * 2015-05-11 2015-07-29 中蓝连海设计研究院 Direct and reverse flotation technique for high-magnesium low-grade phosphorus ore coarse grains
CN104907183A (en) * 2015-07-03 2015-09-16 武汉工程大学 Silica-calcia low-grade collophanite positive and inverse floatation process
CA2849653A1 (en) * 2014-04-23 2015-10-23 Richard A. Pilon Organics removal from sedimentary phosphate ore

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2849653A1 (en) * 2014-04-23 2015-10-23 Richard A. Pilon Organics removal from sedimentary phosphate ore
CN104043535A (en) * 2014-06-28 2014-09-17 中蓝连海设计研究院 Phosphorite obverse and reverse flotation method without sodium carbonate in whole process
CN104624379A (en) * 2014-12-29 2015-05-20 中蓝连海设计研究院 Obverse and reverse flotation method of low-grade silica-calcia bearing collophane
CN104801427A (en) * 2015-05-11 2015-07-29 中蓝连海设计研究院 Direct and reverse flotation technique for high-magnesium low-grade phosphorus ore coarse grains
CN104907183A (en) * 2015-07-03 2015-09-16 武汉工程大学 Silica-calcia low-grade collophanite positive and inverse floatation process

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111036410A (en) * 2019-11-27 2020-04-21 东北大学 Method for removing magnesium from phosphate ore by flotation through chelating inhibitor PBTCA
CN111036410B (en) * 2019-11-27 2021-03-23 东北大学 Method for removing magnesium from phosphate ore by flotation through chelating inhibitor PBTCA
CN113117882A (en) * 2019-12-30 2021-07-16 有研资源环境技术研究院(北京)有限公司 Pre-flotation method for low-grade phosphorite in high sesquioxide
CN113117882B (en) * 2019-12-30 2022-11-04 有研资源环境技术研究院(北京)有限公司 Pre-flotation method for low-grade phosphorite in high sesquioxide
CN111451001A (en) * 2020-03-10 2020-07-28 中国地质科学院矿产综合利用研究所 Medium-low grade mixed collophanite flotation separation reagent system and application thereof
CN111451001B (en) * 2020-03-10 2021-05-11 中国地质科学院矿产综合利用研究所 Medium-low grade mixed collophanite flotation separation reagent system and application thereof

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Application publication date: 20171222