CN109092566A - A kind of ore dressing more metal isolation technics of layer of inhibition and multistage collecting - Google Patents
A kind of ore dressing more metal isolation technics of layer of inhibition and multistage collecting Download PDFInfo
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- CN109092566A CN109092566A CN201810809058.9A CN201810809058A CN109092566A CN 109092566 A CN109092566 A CN 109092566A CN 201810809058 A CN201810809058 A CN 201810809058A CN 109092566 A CN109092566 A CN 109092566A
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- copper
- lead
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- ore
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- 239000002184 metal Substances 0.000 title claims abstract description 45
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 45
- 238000002955 isolation Methods 0.000 title claims abstract description 35
- 230000005764 inhibitory process Effects 0.000 title claims abstract description 18
- WIKSRXFQIZQFEH-UHFFFAOYSA-N [Cu].[Pb] Chemical compound [Cu].[Pb] WIKSRXFQIZQFEH-UHFFFAOYSA-N 0.000 claims abstract description 92
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 42
- 239000011707 mineral Substances 0.000 claims abstract description 42
- 238000000227 grinding Methods 0.000 claims abstract description 40
- 238000000034 method Methods 0.000 claims abstract description 39
- 239000003112 inhibitor Substances 0.000 claims abstract description 33
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 32
- 238000005188 flotation Methods 0.000 claims abstract description 18
- 238000005516 engineering process Methods 0.000 claims abstract description 14
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 claims description 52
- 239000000686 essence Substances 0.000 claims description 32
- 235000010265 sodium sulphite Nutrition 0.000 claims description 26
- 239000006260 foam Substances 0.000 claims description 21
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 20
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims description 20
- 229960001763 zinc sulfate Drugs 0.000 claims description 20
- 229910000368 zinc sulfate Inorganic materials 0.000 claims description 20
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 19
- 229940116901 diethyldithiocarbamate Drugs 0.000 claims description 19
- LMBWSYZSUOEYSN-UHFFFAOYSA-N diethyldithiocarbamic acid Chemical compound CCN(CC)C(S)=S LMBWSYZSUOEYSN-UHFFFAOYSA-N 0.000 claims description 19
- 239000011701 zinc Substances 0.000 claims description 19
- 229910052725 zinc Inorganic materials 0.000 claims description 19
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 14
- 229910052802 copper Inorganic materials 0.000 claims description 14
- 239000010949 copper Substances 0.000 claims description 14
- ZOOODBUHSVUZEM-UHFFFAOYSA-N ethoxymethanedithioic acid Chemical compound CCOC(S)=S ZOOODBUHSVUZEM-UHFFFAOYSA-N 0.000 claims description 12
- 238000010494 dissociation reaction Methods 0.000 claims description 11
- 230000005593 dissociations Effects 0.000 claims description 11
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 10
- 238000010408 sweeping Methods 0.000 claims description 7
- 239000004088 foaming agent Substances 0.000 claims description 6
- 230000002401 inhibitory effect Effects 0.000 claims description 6
- 229910001656 zinc mineral Inorganic materials 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 4
- 239000003814 drug Substances 0.000 claims description 4
- 239000000837 restrainer Substances 0.000 claims description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 3
- 101100399296 Mus musculus Lime1 gene Proteins 0.000 claims description 3
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 3
- 230000004913 activation Effects 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 239000004571 lime Substances 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 229940001482 sodium sulfite Drugs 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims 1
- 238000007790 scraping Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 230000006641 stabilisation Effects 0.000 abstract description 2
- 238000011105 stabilization Methods 0.000 abstract description 2
- 239000011133 lead Substances 0.000 description 12
- 238000011084 recovery Methods 0.000 description 11
- 238000004064 recycling Methods 0.000 description 5
- 230000031068 symbiosis, encompassing mutualism through parasitism Effects 0.000 description 5
- 239000012141 concentrate Substances 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- 239000000178 monomer Substances 0.000 description 4
- 229910052709 silver Inorganic materials 0.000 description 4
- 239000004332 silver Substances 0.000 description 4
- 239000004744 fabric Substances 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 241001609368 Acamptopappus Species 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- UXNBTDLSBQFMEH-UHFFFAOYSA-N [Cu].[Zn].[Pb] Chemical compound [Cu].[Zn].[Pb] UXNBTDLSBQFMEH-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052951 chalcopyrite Inorganic materials 0.000 description 1
- DVRDHUBQLOKMHZ-UHFFFAOYSA-N chalcopyrite Chemical compound [S-2].[S-2].[Fe+2].[Cu+2] DVRDHUBQLOKMHZ-UHFFFAOYSA-N 0.000 description 1
- WPFFNMCUJMLNLU-UHFFFAOYSA-L copper sodium sulfite Chemical compound S(=O)([O-])[O-].[Cu+2].[Na+] WPFFNMCUJMLNLU-UHFFFAOYSA-L 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 239000013022 formulation composition Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- KFZAUHNPPZCSCR-UHFFFAOYSA-N iron zinc Chemical compound [Fe].[Zn] KFZAUHNPPZCSCR-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229940001593 sodium carbonate Drugs 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance 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
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/018—Mixtures of inorganic and organic compounds
-
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses the more metal isolation technics of ore dressing of a kind of layer of inhibition and multistage collecting, its chats return primary grinding regrind and procedure links in targetedly add inhibitor and collecting agent, using the mixed choosing-of copper-lead, separating technology, other valuable minerals use flotation or magnetic method according to mineralogical character to sorting mineral again；In grinding section, primary grinding is only set, stage grinding equipment is no longer added, is combined in the mixed different links for selecting process of copper-lead using targetedly inhibitor and collecting agent, realizes the collecting to copper-lead mineral and intergrowth, and the intergrowth for coming in collecting, it returns again to primary grinding and is regrinded.Present invention eliminates part stage ore grindings, reduce the part capital construction and equipment investment of ore dressing workshop, reduce the early investment of enterprise；Polymetallic ore sorting process is simplified, the reduction of beneficiation cost is conducive to, improves Business Economic Benefit；Due to simple process, system easy to produce is controled and operated, conducive to the raising of the stabilization and index of production.
Description
Technical field
The invention belongs to multi-metallic minerals processing technique field, particularly relates to a kind of layer and inhibit and multistage collecting
The more metal isolation technics of ore dressing.
Background technique
Structure is complicated, symbiosis is close, recycling separating difficulty is larger generally there are ore preservation for more metal color minerals
Etc. technical problems.The quality of polymetallic ore converted products and mutually contain and the rate of recovery etc. all there is many skills to be improved
Art problem.In color mineral processing enterprise of China, the valuable mineral ore of single preservation is less, majority for two kinds or two kinds with
The polymetallic ore of upper valuable mineral, some polymetallic ores are even up to five or six kinds of valuable minerals and coexist.And polymetallic ore
Due to being influenced by minerogentic condition, making polymetallic ore generally has ingredient and embedding cloth characteristic complexity, mineral grade and embedding cloth
The features such as granularity is uneven, symbiosis is close, the ore dressing processing technology for often leading to polymetallic ore is complicated, and technique of preparing refers to
Mark the technical problems such as undesirable.Especially the low-grade polymetallic ore in part, complicated ore-dressing technique typically result in higher life
Cost is produced, the reduction of manufacturing enterprise's profit is caused even to be lost.
Because polymetallic ore has embedding cloth, structure is complicated and the non-uniform characteristic of disseminated grain size, so existing ore-dressing technique is most
Multistage ore-grinding diffeential floatation or Multistage ore-grinding part mixing controling differential flotation process for copper are used according to ore characteristic.Due to the prior art
In floatation process the mistake of main recycling mineral and easily mill gangue should be prevented again in view of the abundant monomer dissociation of each recycling mineral
Mill, so being related to Multistage ore-grinding or middling ore regrinding and longer flotation flowsheet, also causes beneficiation cost higher.This is for existing
The low-grade polymetallic ore in part, has higher beneficiation cost, leads to the recovery value of this low-grade part valuable mineral
It substantially reduces, or even profit can not be brought to enterprise.How to simplify Mineral Dressing Process, reduce mineral processing production cost, maximum limit
The synthetical recovery and product quality, the increase performance of enterprises of the low-grade valuable mineral of raising of degree need to solve as many barghs
The problem of, now it is badly in need of developing a kind of technique of preparing of low-grade more metal recoveries for this status.
Summary of the invention
The present invention is in order to overcome more metals such as low-grade copper, lead, silver, gold technique in ore dressing removal process in the prior art
Complicated, the deficiencies of production system is not easy to control, high production cost, provides a kind of layer and inhibits and the more metals of ore dressing of multistage collecting point
From technology, the ore dressing recovery method of the simple and easy low-grade copper of one kind, lead, gold and zinc-iron metal is particularly related to.
The present invention is achieved by the following technical solutions: the more metals of ore dressing of a kind of layer of inhibition and multistage collecting separate skills
Art, belongs to a kind of low-grade more metal low cost recovery process, and more metal isolation technics are included in chats and return primary grinding again
Inhibitor and collecting agent are targetedly added in mill and procedure links, according to copper, lead, silver or golden raw ore product in polymetallic ore
The lower characteristic in position, using the mixed choosing-of copper-lead, separating technology, other valuable minerals use flotation according to mineralogical character to sorting mineral again
Or magnetic method；In order to reduce low-grade mineral cost recovery, simplifies production technology, primary grinding is only set in grinding section, no longer
Stage grinding equipment is added, cannot achieve sufficiently to solve the close microfine valuable mineral primary grinding of part symbiosis
Monomer dissociation and the influence that intergrowth recycles valuable mineral is not dissociated, by using needle in the mixed different links for selecting process of copper-lead
Inhibitor and collecting agent combination to property, realize the best collecting to copper-lead mineral and intergrowth, and for company next in collecting
Raw body returns again to primary grinding and is regrinded, and to improve the degree of dissociation of intergrowth, is allowed to after returning to process, reaches effective
Collecting.
More metal isolation technics mix in copper-lead select roughing addition combination zinc inhibitor zinc sulfate and sodium sulfite, collecting first
Agent uses diethyldithiocarbamate, carries out collecting to most copper lead minerals, roughing froth pulp enters selected area；Then in the mixed choosing essence of copper-lead
Constituency, which has used, combines the stronger zinc sulfate of zinc inhibitory effect, sodium sulfite and lime inhibitor, to reduce copper to greatest extent
Contain zinc in the mixed essence of lead, improves the mixed smart concentrate quality of copper-lead, and selected area's underflow middling recurrence ball mill, in underflow chats
Intergrowth is dissociated again；Scanning only addition in the mixed choosing of copper-lead not only has certain inhibiting effect to zinc but also has activation to copper
Sodium sulfite, while using the wider ethyl xanthate of diethyldithiocarbamate and collecting performance as collecting agent, reinforce to the intergrowth not dissociated
With the copper-lead collecting of floatability difference.
More metal isolation technics in the present invention specifically comprise the following steps:
(1) polymetallic ore to barrow band by feeding in ball mill, the ore pulp that ore is formed after ball mill grinding,
Feeding hydrocyclone is raised into the dashpot at ball mill ore discharging end, then through the first Pulp pump, is closed after hydroclone classification
The ore pulp of lattice grade enters stirred tank, and unqualified grade returns to ball mill through rough sand mouth；
(2) first group of composite restrainer and collecting agent are added in stirred tank, is mixed in copper-lead and roughing is selected to realize the first stage
Zinc inhibit and copper-lead collecting, ore pulp after roughing collecting enters mixed select of copper-lead by flotation device gape and sweeps, in copper
The mixed choosing of lead sweeps section and bis flotation medicament is added, and sweeps foam in collecting, is transmitted back in ball mill by the second Pulp pump, into
Ore grinding dissociates row again；
(3) ore pulp enters that copper-lead is mixed to select two to sweep by flotation device gape after sweeping collecting, selects two to sweep copper-lead is mixed
Combined capturing and collecting agent is added in section, realizes third time collecting to copper-lead and intergrowth, and two in collecting sweep foam back to sweeping；
(4) ore pulp after two sweep collecting, formation copper-lead is mixed to select true tailings, selects process into next process zinc, and
Copper-lead is mixed select roughing output foam to enter copper-lead is mixed to select an essence, foam is being scraped after an essence enrichment, into the mixed choosing of copper-lead
Two essences mix in copper-lead and select two smart sections, and second group of inhibitor combination is added, and realize second to zinc mineral and inhibit；
For (5) two smart foams after three essence enrichments, output foam enters that final cleaning copper-lead is mixed to select four essences, is added in four smart sections
The combination of third group inhibitor, realizes the third time strong inhibition to zinc mineral, and selected area's underflow chats is defeated by the second Pulp pump
It sends back in ball mill, regrinding dissociation is carried out to intergrowth contained in chats and impurity.
Copper-lead in the more metal isolation technics of the present invention, which mixes, selects selected underflow chats to return to primary grinding by conveying equipment
It is regrinded, the chats foam that the mixed choosing of copper-lead sweeps output returns to primary grinding by conveying equipment and regrinded.It is mixed in copper-lead
It selects and first group of inhibitor combination zinc sulfate and sodium sulfite is added in roughing, the combination weight proportion of zinc sulfate and sodium sulfite is
5: 1, collecting agent is diethyldithiocarbamate.Collecting agent in the mixed choosing of copper-lead is swept is diethyldithiocarbamate and ethyl xanthate, and diethyldithiocarbamate and ethyl are yellow
The combination weight proportion of medicine is 2: 1, and foaming agent is No. 2 oil, and inhibitor is sodium sulfite, wherein No. 2 oil are a kind of chemical substances,
Molecular formula is ROH (R- alkyl).
The more metal isolation technics of the present invention copper-lead it is mixed select two sweep in be added combined capturing and collecting agent diethyldithiocarbamate and ethyl xanthate with
And No. 2 oil of foaming agent, the weight proportion of combined capturing and collecting agent diethyldithiocarbamate and ethyl xanthate are 1: 1.It is added in mixed select in two essences of copper-lead
The combination of second group of inhibitor, second group of inhibitor group are combined into zinc sulfate, sodium sulfite and sodium carbonate, zinc sulfate, sodium sulfite and
The combination weight proportion of sodium carbonate is 5: 1: 3.The combination of third group inhibitor, third group inhibitor are added in four essences in mixed select of copper-lead
Group is combined into zinc sulfate, sodium sulfite and sodium carbonate, and the combination weight proportion of zinc sulfate, sodium sulfite and sodium carbonate is 5: 2: 5.
The beneficial effects of the present invention are: the advantages of present invention more metal isolation technics, has: (1) eliminating part stage mill
Mine reduces the part capital construction and equipment investment of ore dressing workshop, reduces the early investment of enterprise；(2) polymetallic ore is simplified
Stone sorting process is conducive to the reduction of beneficiation cost, improves Business Economic Benefit；(3) due to the more metal isolation technics of the present invention
Simple process, system easy to produce control and operate, and are more conducive to the raising of the stabilization and index of production；(4) be conducive to mine
Development and utilization of the mountain enterprise to some ultra-low grade valuable mineral improves enterprise to the synthetical recovery of valuable mineral；(5) low product
Effective recycling of position valuable mineral is significant to raising Utilization Rate of Mineral Resources and the extension enterprises service time limit.
The invention discloses a kind of low-grade more metal low cost recovery process, according to copper in polymetallic ore, lead, silver,
The lower characteristic of the head grades such as gold, sorting mineral mix choosing-separating technology again using copper-lead.In order to simplify production technology, reduce
Production cost, setting primary grinding, no longer adds stage grinding equipment, in order to solve the close microfine of part symbiosis
Valuable mineral primary grinding cannot achieve abundant monomer dissociation and not dissociate the influence that intergrowth recycles valuable mineral, by
Copper-lead is mixed to select process difference link to combine using targetedly inhibitor and collecting agent, realizes to copper-lead mineral and intergrowth most
Good collecting, and the intergrowth for coming in collecting, returning again to primary grinding is regrinded, and to improve the degree of dissociation of intergrowth, is made
Return to process after, reach effective collecting.
Detailed description of the invention
Fig. 1 is the basic technology line segment flow chart of the more metal isolation technics of the present invention；
Fig. 2 is the basic technology schematic diagram of the more metal isolation technics of the present invention；
In figure: 1- gives barrow band；2- ball mill；3- dashpot；The first Pulp pump of 4-；5- hydrocyclone；6- stirred tank；
7- copper-lead is mixed to select roughing；The mixed choosing of 8- copper-lead is swept；9- copper-lead is mixed to select two to sweep；The second Pulp pump of 10-；11- copper-lead is mixed to select an essence；
12- copper-lead is mixed to select two essences；13- copper-lead is mixed to select three essences；14- copper-lead is mixed to select four essences；The selected underflow chats of 15-；16- sweeps foam；
17- copper-lead is mixed to select tailing；18- copper-lead mixes concentrate selection.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
As shown in Figure 1 to Figure 2, the more metal isolation technics of ore dressing of a kind of layer of inhibition and multistage collecting belong to a kind of low
The more metal low cost recovery process of grade, more metal isolation technics be included in chats return primary grinding regrind and procedure links in have
Inhibitor and collecting agent are targetedly added, according to copper, lead, silver or the lower characteristic of golden head grade, mine in polymetallic ore
Using the mixed choosing-of copper-lead, separating technology, other valuable minerals use flotation or magnetic method according to mineralogical character again for object sorting；In order to drop
Low low-grade mineral cost recovery simplifies production technology, primary grinding is only arranged in grinding section, no longer adds stage grinding and sets
It is standby, it cannot achieve abundant monomer dissociation in order to solve the close microfine valuable mineral primary grinding of part symbiosis and do not solve
From the influence that intergrowth recycles valuable mineral, by the mixed different links for selecting process of copper-lead using targetedly inhibitor and
The best collecting to copper-lead mineral and intergrowth is realized in collecting agent combination, and for intergrowth next in collecting, return again to one section
Ore grinding is regrinded, and to improve the degree of dissociation of intergrowth, is allowed to after returning to process, is reached effective collecting.
More metal isolation technics mix in copper-lead select the addition of roughing 7 combination zinc inhibitor zinc sulfate and sodium sulfite first, catch
It receives agent and uses diethyldithiocarbamate, collecting is carried out to most copper lead minerals, roughing froth pulp enters selected area；Then in the mixed choosing of copper-lead
Selected area, which has used, combines the stronger zinc sulfate of zinc inhibitory effect, sodium sulfite and lime inhibitor, to reduce to greatest extent
Contain zinc in the mixed essence of copper-lead, improves the mixed smart concentrate quality of copper-lead, and selected area's underflow middling recurrence ball mill 2, to underflow chats
In intergrowth dissociated again；It scans only to be added not only to have had certain inhibiting effect to zinc but also had to activate to copper in the mixed choosing of copper-lead and make
Sodium sulfite, while using the wider ethyl xanthate of diethyldithiocarbamate and collecting performance as collecting agent, reinforce to the company that do not dissociate
The copper-lead collecting of raw body and floatability difference.
The specific separation process of the more metal isolation technics of the present invention are as follows: polymetallic ore is by feeding ball to barrow band 1
In grinding machine 2, the ore pulp that ore is formed after the grinding of ball mill 2, into the dashpot 3 of 2 mine-discharging terminal of ball mill, then through the first slurry
Pump 4, which is raised, is sent into hydrocyclone 5, and the ore pulp of qualified grain size enters stirred tank 6, unqualified grade after the classification of hydrocyclone 5
Ball mill 2 is returned to through rough sand mouth.First group of composite restrainer is added in stirred tank 6 and collecting agent, composite restrainer are sulphur
Sour zinc and sodium sulfite, combination matching 5: 1；Collecting agent is diethyldithiocarbamate.In the mixed zinc suppression for selecting roughing 7 to realize the first stage of copper-lead
System and copper-lead collecting, the ore pulp after roughing collecting enters the mixed choosing of copper-lead by flotation device gape and sweeps 8, in the mixed choosing of copper-lead
It sweeping 8 sections, is added bis flotation medicament, collecting agent is diethyldithiocarbamate and ethyl xanthate, combination matching 2: 1, No. 2 oil of foaming agent,
Inhibitor is sodium sulfite, it plays certain inhibiting effect to zinc, and has certain activation to chalcopyrite；This section is not only
It selects copper-lead to carry out collecting the difficulty that do not float in roughing section, while being carried out also for insufficient copper-lead zinc fine fraction intergrowth is dissociated
Collecting sweeps foam 16 in collecting, is transmitted back in ball mill 2 by the second Pulp pump 10, carries out ore grinding again and dissociates.By
It sweeps ore pulp after collecting and enters that copper-lead is mixed to select two to sweep 9 by flotation device gape, select two to sweep 9 sections copper-lead is mixed, combination is added and catches
No. 2 oil of agent diethyldithiocarbamate and ethyl xanthate and foaming agent are received, combined capturing and collecting agent proportion is 1: 1, is realized to copper-lead and intergrowth
Third time collecting, two in collecting sweep foam back to sweeping；Ore pulp after two sweep collecting, formation copper-lead is mixed to select tailing 17,
Process is selected into next process zinc.And copper-lead it is mixed select 7 output foam of roughing to enter copper-lead is mixed to select an essence 11, rich by an essence
Foam is scraped after collection, two essences 12 is selected into copper-lead is mixed, is mixed in copper-lead and select two 12 sections of essences, second group of inhibitor combination, group is added
It is combined into zinc sulfate, sodium sulfite, sodium carbonate, combination matching 5: 1: 3 realizes second of inhibition to zinc mineral.Two smart foam warps
Copper-lead is mixed select three essences, 13 enrichment after, output foam enters that final cleaning copper-lead is mixed to select four essences 14, and the suppression of third groups is added in four smart sections
Formulation compositions, group are combined into zinc sulfate, sodium sulfite, sodium carbonate, and combination matching 5: 2: 5 is realized strong to the third time of zinc mineral
Inhibit, it is ensured that high quality copper-lead mixes the output of concentrate selection 18, for next step Cu-Pb separation obtains high-quality low miscellaneous copper, lead product is established
Fixed basis.Selected underflow chats 15 is transmitted back in ball mill 2 by the second Pulp pump 10, to intergrowth contained in chats and impurity
Regrinding dissociation is carried out, to guarantee the abundant recycling of copper-lead mineral and the raising of mixed smart product quality.
B1000 belt conveyor is used to barrow band 1, ball mill 2 uses MQY4567 ball mill 2, and the first Pulp pump 4 is adopted
With 250ZS-65D Pulp pump, hydrocyclone 5 uses 5-FX500-6 hydrocyclone 5, and stirred tank 6 uses 6B3000 stirred tank
6, copper-lead is mixed to select that the mixed choosing of roughing 7, copper-lead sweeps 8 and copper-lead is mixed selects two to sweep 9 to be all made of -30 flotation device of XCF (KYF), the second slurry
Pump 10 uses 65Z6B Pulp pump；Copper-lead is mixed to select an essence 11 to use XCF (KYF) -4 flotation device, and copper-lead is mixed to select two essences 12, copper-lead mixed
Selecting three essences 13 and copper-lead to mix selects four essences 14 to select XCF-4 flotation devices.
Finally it should be noted that sorting technology of the invention, embodiment of above are only used as sorting low-grade more metals
A kind of basic model of ore, due to ore properties and feature difference, dosing type and mode and the process of each bargh
Structure can be varied, but overall essence and scope without departing from the technology of the present invention.
Claims (9)
1. the more metal isolation technics of ore dressing of a kind of layer of inhibition and multistage collecting, it is characterised in that: more metal isolation technics
Chats return primary grinding regrind and procedure links in targetedly add inhibitor and collecting agent, sorting mineral uses copper-lead
Separating technology, other valuable minerals use flotation or magnetic method according to mineralogical character again for mixed choosing-；In grinding section, one section of mill is only set
Mine no longer adds stage grinding equipment, uses targetedly inhibitor and collecting agent group in the mixed different links for selecting process of copper-lead
It closes, realizes the best collecting to copper-lead mineral and intergrowth, and for intergrowth next in collecting, return again to primary grinding progress
It regrinds.
2. the more metal isolation technics of ore dressing of a kind of layer of inhibition according to claim 1 and multistage collecting, it is characterised in that:
More metal isolation technics are mixed in copper-lead first selects roughing addition combination zinc inhibitor zinc sulfate and sodium sulfite, collecting agent to make
With diethyldithiocarbamate, collecting is carried out to most copper lead minerals, roughing froth pulp enters selected area；Then it is mixed in copper-lead and selects selected area
It has used and the stronger zinc sulfate of zinc inhibitory effect, sodium sulfite and lime inhibitor has been combined, and selected area's underflow middling recurrence
Ball mill dissociates the intergrowth in underflow chats again；It scans only to be added in the mixed choosing of copper-lead and had both had certain inhibition to zinc
Effect has the sodium sulfite of activation to copper again, while using the wider ethyl xanthate of diethyldithiocarbamate and collecting performance as collecting
The copper-lead collecting to intergrowth and the floatability difference not dissociated is reinforced in agent.
3. the more metal isolation technics of ore dressing of a kind of layer of inhibition according to claim 1 or 2 and multistage collecting, feature exist
In: more metal isolation technics specifically comprise the following steps:
(1) polymetallic ore to barrow band by feeding in ball mill, the ore pulp that ore is formed after ball mill grinding, enters
The dashpot at ball mill ore discharging end, then feeding hydrocyclone is raised through the first Pulp pump, the qualified grain after hydroclone classification
The ore pulp of grade enters stirred tank, and unqualified grade returns to ball mill through rough sand mouth；
(2) first group of composite restrainer and collecting agent are added in stirred tank, in the mixed zinc for selecting roughing to realize the first stage of copper-lead
Inhibit and copper-lead collecting, the ore pulp after roughing collecting enter the mixed choosing of copper-lead by flotation device gape and sweep, mix in copper-lead
Choosing sweeps section and bis flotation medicament is added, and sweeps foam in collecting, is transmitted back in ball mill by the second Pulp pump, carries out again
Secondary ore grinding dissociation；
(3) ore pulp enters that copper-lead is mixed to select two to sweep by flotation device gape after sweeping collecting, selects two to sweep section copper-lead is mixed, adds
Enter combined capturing and collecting agent, realize the third time collecting to copper-lead and intergrowth, two in collecting sweep foam back to sweeping；
(4) ore pulp after two sweep collecting, forms that copper-lead is mixed to select true tailings, selects process into next process zinc, and copper-lead
It is mixed select roughing output foam to enter copper-lead is mixed to select an essence, scraping foam after an essence enrichment, selecting two essences into copper-lead is mixed,
It is mixed in copper-lead and selects two smart sections, second group of inhibitor combination is added, realized second to zinc mineral and inhibit；
For (5) two smart foams after three essence enrichments, output foam enters that final cleaning copper-lead is mixed to select four essences, and thirds are added in four smart sections
Group inhibitor combination, realizes the third time strong inhibition to zinc mineral, selected area's underflow chats is transmitted back to by the second Pulp pump
In ball mill, regrinding dissociation is carried out to intergrowth contained in chats and impurity.
4. the more metal isolation technics of ore dressing of a kind of layer of inhibition according to claim 1 or 2 and multistage collecting, feature exist
In: the copper-lead in more metal isolation technics, which mixes, selects selected underflow chats to return to primary grinding progress again by conveying equipment
Mill, the chats foam that the mixed choosing of copper-lead sweeps output return to primary grinding by conveying equipment and are regrinded.
5. the more metal isolation technics of ore dressing of a kind of layer of inhibition according to claim 3 and multistage collecting, it is characterised in that:
First group of inhibitor combination zinc sulfate and sodium sulfite, zinc sulfate is added in copper-lead mixed select in more metal isolation technics in roughing
Combination weight proportion with sodium sulfite is 5: 1, and collecting agent is diethyldithiocarbamate.
6. the more metal isolation technics of ore dressing of a kind of layer of inhibition according to claim 3 and multistage collecting, it is characterised in that:
More metal isolation technics are mixed in copper-lead selects the collecting agent in sweeping for diethyldithiocarbamate and ethyl xanthate, diethyldithiocarbamate and ethyl xanthate
Combination weight proportion be 2: 1, foaming agent be No. 2 oil, inhibitor is sodium sulfite.
7. the more metal isolation technics of ore dressing of a kind of layer of inhibition according to claim 3 and multistage collecting, it is characterised in that:
More metal isolation technics copper-lead it is mixed select two sweep in combined capturing and collecting agent diethyldithiocarbamate and ethyl xanthate and foaming agent 2 are added
The weight proportion of oil, combined capturing and collecting agent diethyldithiocarbamate and ethyl xanthate is 1: 1.
8. the more metal isolation technics of ore dressing of a kind of layer of inhibition according to claim 3 and multistage collecting, it is characterised in that:
Second group of inhibitor combination is added in mixed select of copper-lead in more metal isolation technics in two essences, second group of inhibitor group is combined into
The combination weight proportion of zinc sulfate, sodium sulfite and sodium carbonate, zinc sulfate, sodium sulfite and sodium carbonate is 5: 1: 3.
9. the more metal isolation technics of ore dressing of a kind of layer of inhibition according to claim 3 and multistage collecting, it is characterised in that:
The combination of third group inhibitor is added in mixed select of copper-lead in more metal isolation technics in four essences, the third group inhibitor group is combined into
The combination weight proportion of zinc sulfate, sodium sulfite and sodium carbonate, zinc sulfate, sodium sulfite and sodium carbonate is 5: 2: 5.
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