CN108525841A - A kind of Copper Ores association molybdenum dressing method - Google Patents
A kind of Copper Ores association molybdenum dressing method Download PDFInfo
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- CN108525841A CN108525841A CN201810200394.3A CN201810200394A CN108525841A CN 108525841 A CN108525841 A CN 108525841A CN 201810200394 A CN201810200394 A CN 201810200394A CN 108525841 A CN108525841 A CN 108525841A
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- Prior art keywords
- molybdenum
- copper
- sulphur
- tailing
- ore object
- Prior art date
- 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.)
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- 239000011733 molybdenum Substances 0.000 title claims abstract description 102
- 229910052750 molybdenum Inorganic materials 0.000 title claims abstract description 102
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 title claims abstract description 99
- 239000010949 copper Substances 0.000 title claims abstract description 55
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000012141 concentrate Substances 0.000 claims abstract description 45
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 40
- PTISTKLWEJDJID-UHFFFAOYSA-N sulfanylidenemolybdenum Chemical compound [Mo]=S PTISTKLWEJDJID-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052742 iron Inorganic materials 0.000 claims abstract description 20
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000005864 Sulphur Substances 0.000 claims abstract description 13
- 239000003112 inhibitor Substances 0.000 claims abstract description 11
- BWFPGXWASODCHM-UHFFFAOYSA-N copper monosulfide Chemical compound [Cu]=S BWFPGXWASODCHM-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000003814 drug Substances 0.000 claims abstract description 8
- 239000002253 acid Substances 0.000 claims abstract description 6
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 6
- 230000018044 dehydration Effects 0.000 claims abstract description 6
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 6
- 238000005065 mining Methods 0.000 claims abstract description 4
- 229910001779 copper mineral Inorganic materials 0.000 claims abstract description 3
- 230000002401 inhibitory effect Effects 0.000 claims abstract description 3
- 229910052683 pyrite Inorganic materials 0.000 claims abstract 4
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 claims abstract 4
- 239000011028 pyrite Substances 0.000 claims abstract 4
- 238000005188 flotation Methods 0.000 claims description 8
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 6
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 6
- 239000004571 lime Substances 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 239000005416 organic matter Substances 0.000 claims description 2
- 238000011084 recovery Methods 0.000 abstract description 16
- 235000016768 molybdenum Nutrition 0.000 description 66
- 229910052500 inorganic mineral Inorganic materials 0.000 description 5
- 239000011707 mineral Substances 0.000 description 5
- 235000010755 mineral Nutrition 0.000 description 5
- 239000011229 interlayer Substances 0.000 description 4
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000005764 inhibitory process Effects 0.000 description 3
- 229910052961 molybdenite Inorganic materials 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical compound [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- RYTYSMSQNNBZDP-UHFFFAOYSA-N cobalt copper Chemical compound [Co].[Cu] RYTYSMSQNNBZDP-UHFFFAOYSA-N 0.000 description 2
- WUUZKBJEUBFVMV-UHFFFAOYSA-N copper molybdenum Chemical compound [Cu].[Mo] WUUZKBJEUBFVMV-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910001608 iron mineral Inorganic materials 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 241000276425 Xiphophorus maculatus Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- OMZSGWSJDCOLKM-UHFFFAOYSA-N copper(II) sulfide Chemical compound [S-2].[Cu+2] OMZSGWSJDCOLKM-UHFFFAOYSA-N 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- 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
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B9/00—General arrangement of separating plant, e.g. flow sheets
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a kind of Copper Ores association molybdenum dressing methods, including step：When the copper sulphur rough concentrate containing molybdenum ore object that Copper Ores roughing flow obtains carries out shallow crust structures operation, the molybdenum ore object in copper sulphur rough concentrate is inhibited in the tailing of shallow crust structures operation, and the copper mineral of shallow crust structures operation still returns to shallow crust structures work flow；After shallow crust structures job trailer ore mining containing molybdenum ore object dehydration reagent removal, acid adding adjusts tailing pH value, and addition selects sulphur and selects molybdenum medicament, carries out the selected operation of sulphur molybdenum, and obtain a qualified iron concentrate containing molybdenum ore object；Qualified iron concentrate containing molybdenum ore object carries out molybdenum sulphur detached job, and molybdenum sulphur detached job need to add the inhibitor for inhibiting pyrite and select molybdenum medicament, and molybdenum sulphur detached job will obtain qualified molybdenum concntrate and qualified iron concentrate.It can not be recycled and be limited by molybdenum ore object in the shallow crust structures operation of Copper Ores, when improving Cu Concentrate Grade；The molybdenum concntrate of higher recovery can be obtained while obtaining copper concentrate.
Description
Technical field
The present invention relates to a kind of non-ferrous metal ore more particularly to a kind of sides of sorting of Copper Ores association molybdenum mineral
Method.
Background technology
Molybdenite crystal is in six side's stratiforms or platy structure, by along interlayer Van der Waals formula key S-Mo-S structures and interlayer pole
Property covalent bond S-Mo formed, the binding force of layer and interlayer is very weak, and the covalently bonded of interlayer resultant force is very strong.Molybdenite easily edge
Parallel off lamellar or plate output between structure, here it is the high reasons of molybdenite native floatability.However current Copper Ores companion
The sorting process technology of raw molybdenum ore object, which is substantially, is enriched in molybdenum ore object in copper concentrate, then by the copper concentrate containing molybdenum ore object
Copper-cobalt ore is carried out, to obtain qualified molybdenum concntrate object.But it is typically provided one or more snippets before shallow crust structures operation therein
Regrind flow so that in its layer the sections S-Mo ratio increase, floatability decline, and in most of operations usually be added inhibit sulphur
The lime of iron mineral, to improve Cu Concentrate Grade；But since lime has stronger inhibiting effect to molybdenum ore object, so, seriously
Affect the rate of recovery of molybdenum ore object；So the contradiction for improving Cu Concentrate Grade and the recycling of molybdenum ore object is formd, so that some choosings
The rate of recovery of the Copper Ores association molybdenum of mine factory only has 30% or so.
Invention content
The object of the present invention is to provide a kind of Copper Ores association molybdenum dressing methods.
The purpose of the present invention is what is be achieved through the following technical solutions：
The Copper Ores association molybdenum dressing method of the present invention, including step：
A, when the copper sulphur rough concentrate containing molybdenum ore object obtained in Copper Ores roughing flow carries out shallow crust structures operation, by copper
Molybdenum ore object in sulphur rough concentrate inhibits in the tailing of shallow crust structures operation, forms the tailing containing molybdenum ore object；
B, after the dehydration reagent removal of the shallow crust structures job trailer ore mining containing molybdenum ore object, acid adding adjusts tailing pH value, addition choosing
It sulphur and selects molybdenum medicament, carries out the selected operation of sulphur molybdenum, and obtain a qualified iron concentrate containing molybdenum ore object；
C, the qualified iron concentrate containing molybdenum ore object carries out molybdenum sulphur detached job, and molybdenum sulphur detached job need to add inhibition troilite
The inhibitor of object and select molybdenum medicament, molybdenum sulphur detached job will obtain qualified molybdenum concntrate and qualified iron concentrate.
As seen from the above technical solution provided by the invention, industrial routine techniques, the present invention at present is different to implement
The Copper Ores association molybdenum dressing method that example provides, can be in the shallow crust structures operation of Copper Ores, can be with when improving Cu Concentrate Grade
It is not limited by the recycling of molybdenum ore object；The molybdenum concntrate of higher recovery can be obtained while obtaining copper concentrate.
Description of the drawings
Fig. 1 is the existing industrial flow chart of Jiangxi copper mine factory；
Fig. 2 is that copper essence tail depth cleaning-activation selects sulphur-molybdenum sulphur content from flow chart in the embodiment of the present invention.
Specific implementation mode
The embodiment of the present invention will be described in further detail below.What is be not described in detail in the embodiment of the present invention is interior
Appearance belongs to the prior art well known to professional and technical personnel in the field.
The Copper Ores association molybdenum dressing method of the present invention, preferable specific implementation mode are：
Including step：
A, when the copper sulphur rough concentrate containing molybdenum ore object obtained in Copper Ores roughing flow carries out shallow crust structures operation, by copper
Molybdenum ore object in sulphur rough concentrate inhibits in the tailing of shallow crust structures operation, forms the tailing containing molybdenum ore object；
B, after the dehydration reagent removal of the shallow crust structures job trailer ore mining containing molybdenum ore object, acid adding adjusts tailing pH value, addition choosing
It sulphur and selects molybdenum medicament, carries out the selected operation of sulphur molybdenum, and obtain a qualified iron concentrate containing molybdenum ore object；
C, the qualified iron concentrate containing molybdenum ore object carries out molybdenum sulphur detached job, and molybdenum sulphur detached job need to add inhibition troilite
The inhibitor of object and select molybdenum medicament, molybdenum sulphur detached job will obtain qualified molybdenum concntrate and qualified iron concentrate.
In the step A, when molybdenum ore object is inhibited in shallow crust structures operation tailing, used inhibitor is lime,
The inhibitor dosage of the use should make its operation of flow pH between 9-12.
In the step A, the Copper Ores roughing flow uses copper, molybdenum bulk flotation flow or copper diffeential floatation stream
Journey.
In the step B, after carrying out dehydration reagent removal to the shallow crust structures operation tailing, acid adding adjusts the sulphur molybdenum essence of tailing
The pH value of industry is elected to be between 3-9；The qualified iron concentrate is that standard iron concentrate or grade are higher than 45% or more high-grade sulphur
Concentrate.
In the step C, when the qualified iron concentrate containing molybdenum ore object carries out molybdenum sulphur detached job, addition inhibits sulphur
The inhibitor of iron mineral is organic matter or inorganic matter.
The step A includes：
Molybdenum ore object is inhibited in the tailing of shallow crust structures operation in A1, copper-sulfur separating process flow in the prior art,
Form the tailing containing molybdenum ore object；
A2, it by the cleaner tailings of shallow crust structures operation or scans froth concentrate and individually sorts, and by the molybdenum in operation
Mineral inhibit, in the tailing of sorting operation, to form the tailing containing molybdenum ore object, and return to the copper mineral sorted is separately separated
In shallow crust structures work flow.
The Copper Ores association molybdenum dressing method of the present invention can improve copper concentrate product in the shallow crust structures operation of Copper Ores
When position, it can not be recycled and be limited by molybdenum ore object；While obtaining copper concentrate, the molybdenum essence of higher recovery can be obtained
Mine.
Beneficial effects of the present invention：
It is low for molybdenum comprehensive recovery in the ore-dressing technique of the copper sulfide association molybdenum in existing most of mine, copper-cobalt ore at
This height, it is low in economic efficiency the problems such as, the present invention innovatively proposes shallow crust structures molybdenum reverse flotation, then is carried out to cleaner tailings
Depth cleaning-molybdenum sulphur separation process, can greatly improve the comprehensive recovery of molybdenum, and do not influence the product of main purpose mineral copper
Position and the rate of recovery solve most of mine processing lower problem of the molybdenum recovery of stone containing lindgrenite.
The major advantage of scheme provided by the present invention is：
(1) technique that uses of the present invention creatively reversely inhibits molybdenum ore object in tailing so that molybdenum ore object move towards and
Iron concentrate unicom avoids in conventional thinking the principal contradiction point of " copper grade can be reduced by improving molybdenum recovery ".
(2) technique that the present invention uses does not change it is only necessary to change dosing or regime of agent in work flow
Become main process structure.
(3) reversed inhibition molybdenum concntrate (reverse flotation) of the present invention is not meant to that operation pH can be improved, or influences
The rate of recovery of copper concentrate or association rare precious metal (such as gold, silver) can effectively be reached by the inhibitor for being added highly selective
The purpose of reverse flotation molybdenum, so the main mineral processing index to existing procedure will not have an impact.
Specific embodiment：
As shown in Figure 1, for the industrial flow chart of Jiangxi copper mine factory, according to Jiangxi copper mine shown in figure (association molybdenum)
Industrial flow and live index, specifically, this method may include following steps：
To the copper mine select two sections of shallow crust structures of factory carry out reversed flotation-cleaner tailings activate selected-molybdenum sulphur content from
Principle process.From can be seen that two sections of shallow crust structures operations in current flow in flow chart, molybdenum ore object is largely in copper essence tail
It is recycled to shallow crust structures roughing, the practical index at scene shows that a large amount of molybdenum (the 163.99% of molybdenum ore object amount) is made herein at present
Industry recycles, and under the action of lime, molybdenum ore object is finally suppressed and is lost in tailing, to make the actual recovered of molybdenum be greatly lowered
Rate (31.56%).
In conclusion if the tailing sequence for disconnecting the selected operation of copper returns, cleaner tailings is individually subjected to shallow crust structures,
In principle in the case where not reducing the associated metal rate of recovery, Cu Concentrate Grade is improved as far as possible, meanwhile, as far as possible by molybdenum ore object
Inhibit in tailing；Carry out tailing molybdenum sulphur and activates selected experimental study and the research of molybdenum sulphur content separating test；Entire two can then be improved
The rate of recovery of section shallow crust structures operation molybdenum, detailed process are as shown in Figure 2：
In the flow of Fig. 2, in copper essence tail by lime inhibit molybdenum sulphur tailing through activation selected-molybdenum sulphur content from principle
Flow can obtain a molybdenum concntrate and iron concentrate, so as to which the rate of recovery of molybdenum ore object is significantly increased, in active flotation flow
Unit and molybdenum sulphur separation process unit, cost-efficiently special effect agent prescription being smoothed out with secondary flotation operation.
The comprehensive recovery of two sections of molybdenums is promoted to 62.31% from 30.03%.
In conclusion technical solution provided by the invention has, molybdenum recovery is high, the advantages of, solve Copper Ores association molybdenum
Mineral improve the contradiction of Cu Concentrate Grade and the recycling of molybdenum ore object, have high practical value and economic value.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art is in the technical scope of present disclosure, the change or replacement that can be readily occurred in,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Subject to enclosing.
Claims (6)
1. a kind of Copper Ores association molybdenum dressing method, which is characterized in that including step：
A, when the copper sulphur rough concentrate containing molybdenum ore object obtained in Copper Ores roughing flow carries out shallow crust structures operation, copper sulphur is thick
Molybdenum ore object in concentrate inhibits in the tailing of shallow crust structures operation, forms the tailing containing molybdenum ore object；
B, after shallow crust structures job trailer ore mining containing molybdenum ore object dehydration reagent removal, acid adding adjusts tailing pH value, addition select sulphur and
Molybdenum medicament is selected, carries out the selected operation of sulphur molybdenum, and obtain a qualified iron concentrate containing molybdenum ore object；
C, the qualified iron concentrate containing molybdenum ore object carries out molybdenum sulphur detached job, and molybdenum sulphur detached job, which need to add, inhibits pyrite
Inhibitor and select molybdenum medicament, molybdenum sulphur detached job will obtain qualified molybdenum concntrate and qualified iron concentrate.
2. Copper Ores association molybdenum dressing method according to claim 1, which is characterized in that in the step A, by molybdenum ore object
When inhibiting in shallow crust structures operation tailing, used inhibitor is lime, and the inhibitor dosage of the use should make this
PH is between 9-12 for its operation of flow.
3. Copper Ores association molybdenum dressing method according to claim 2, which is characterized in that in the step A, the copper
Ore roughing flow uses copper, molybdenum bulk flotation flow or copper selective flotation flowsheet.
4. Copper Ores association molybdenum dressing method according to claim 3, which is characterized in that in the step B, to the copper
After sulphur content carries out dehydration reagent removal from operation tailing, acid adding adjusts the pH value of the selected operation of sulphur molybdenum of tailing between 3-9；Described
Qualified iron concentrate is that standard iron concentrate or grade are higher than 45% or more highgrade pyrite concentrate.
5. Copper Ores association molybdenum dressing method according to claim 4, which is characterized in that described to contain in the step C
When the qualified iron concentrate of molybdenum ore object carries out molybdenum sulphur detached job, it is organic matter or inorganic that addition, which inhibits the inhibitor of pyrite,
Object.
6. Copper Ores association molybdenum dressing method according to any one of claims 1 to 5, which is characterized in that the step A packets
It includes：
Molybdenum ore object is inhibited, in the tailing of shallow crust structures operation, to be formed in A1, copper-sulfur separating process flow in the prior art
Tailing containing molybdenum ore object；
A2, it by the cleaner tailings of shallow crust structures operation or scans froth concentrate and individually sorts, and by the molybdenum ore object in operation
Inhibit the tailing in sorting operation, forms the tailing containing molybdenum ore object, and copper sulphur is returned to by the copper mineral sorted is separately separated
In detached job flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810200394.3A CN108525841B (en) | 2018-03-12 | 2018-03-12 | Copper ore associated molybdenum sorting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810200394.3A CN108525841B (en) | 2018-03-12 | 2018-03-12 | Copper ore associated molybdenum sorting method |
Publications (2)
| Publication Number | Publication Date |
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| CN108525841A true CN108525841A (en) | 2018-09-14 |
| CN108525841B CN108525841B (en) | 2020-11-06 |
Family
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Cited By (2)
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| CN109701753A (en) * | 2019-01-03 | 2019-05-03 | 北京矿冶科技集团有限公司 | A kind of inhibitor and beneficiation method of high-sulfur hard-processing copper sulfur ores |
| CN114405684A (en) * | 2021-12-22 | 2022-04-29 | 金堆城钼业股份有限公司 | Method for recleaning micro-fine particle molybdenum concentration tailings |
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Cited By (2)
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| CN109701753A (en) * | 2019-01-03 | 2019-05-03 | 北京矿冶科技集团有限公司 | A kind of inhibitor and beneficiation method of high-sulfur hard-processing copper sulfur ores |
| CN114405684A (en) * | 2021-12-22 | 2022-04-29 | 金堆城钼业股份有限公司 | Method for recleaning micro-fine particle molybdenum concentration tailings |
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| Publication number | Publication date |
|---|---|
| CN108525841B (en) | 2020-11-06 |
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