CN109482361A - A kind of method that lead-zinc sulphur oxygen synchronizes flotation - Google Patents
A kind of method that lead-zinc sulphur oxygen synchronizes flotation Download PDFInfo
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- CN109482361A CN109482361A CN201811518019.XA CN201811518019A CN109482361A CN 109482361 A CN109482361 A CN 109482361A CN 201811518019 A CN201811518019 A CN 201811518019A CN 109482361 A CN109482361 A CN 109482361A
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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
- B03D1/018—Mixtures of inorganic and organic compounds
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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
- B03D2203/00—Specified materials treated by the flotation agents; specified applications
- B03D2203/02—Ores
Abstract
The invention discloses a kind of synchronous method for floating of the sulphur oxygen of lead-zinc, by the levigate extremely -0.074mm content of raw ore in 70%~90% range, directly progress plumbum floatation operation, including a lead roughing, lead is selected three times, and lead is scanned three times, obtains vulcanized lead lead oxide mixing lead concentrate, plumbum floatation tailing carries out zinc flotation operation, including a zinc roughing, four times zinc is selected, and zinc is scanned twice, obtain zinc sulphide oxidation zinc bulk concentrate, while output tailing.Using the present invention carry out lead-zinc oxide ore flotation, do not need carry out desliming operation, avoid the loss of valuable mineral, while sulphide ore flotation synchronous with oxide ore, be effectively reduced flotation operation number, realize it is energy-saving, and process stabilization, it is easily operated.
Description
Technical field
The present invention relates to a kind of method for floating of lead-zinc more particularly to a kind of synchronous flotation of lead-zinc sulphur oxygen
Method.
Background technique
Lead zinc metal is widely used, there is irreplaceable status in industrial development.China's led-zinc-silver deposit is abundant, still
Majority mines are sorted based on sulphide ore at present with exploiting, and an only small part mine can utilize high-grade oxide ore, and select
Mine index is also had large improvement space.
About lead-zinc beneficiation method, there are a large amount of experts and scholars to be studied both at home and abroad, from medicament for, at present
Main stream approach still vulcanize after by xanthate class, amine collector carry out flotation, and from process flow for, most mines are
Reduction sludge influences, and desliming operation has been carried out before flotation, although can improve flotation environment to a certain extent, holds
The rate of recovery is easily caused to lose, in addition most mines sort lead-zinc using oxygen after first sulphur at present, i.e., first select sulphide ore
The mineral processing circuit of oxide ore is selected again, and this process flow is long, structure is complicated, is unfavorable for operating, and equipment investment, energy consumption are all
It is higher.
Summary of the invention
The object of the present invention is to provide the sides that a kind of easy to operate, rate of recovery is high lead-zinc sulphur oxygen synchronizes flotation
Method.
The purpose of the present invention is what is be achieved through the following technical solutions:
The method of the synchronous flotation of lead-zinc sulphur oxygen of the invention, by raw ore it is levigate to -0.074mm content 70%~
In 90% range, No severing mud directly carries out flotation operation, advanced quadrat flotation operation, and plumbum floatation tailing enters zinc flotation operation.
As seen from the above technical solution provided by the invention, lead-zinc sulphur oxygen provided in an embodiment of the present invention is same
The method for walking flotation does not need to carry out desliming operation, only carries out plumbum floatation operation and zinc flotation operation, when plumbum floatation vulcanized lead with
The synchronous flotation of lead oxide enters concentrate, and zinc sulphide flotation synchronous with zinc oxide enters concentrate when zinc flotation, does not need first to carry out sulphur
Change mine flotation and carry out oxide ore flotation again, process is simple.
Detailed description of the invention
Fig. 1 is the method flow schematic diagram of the synchronous flotation of lead-zinc sulphur oxygen provided in an embodiment of the present invention.
Specific embodiment
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 method of the synchronous flotation of lead-zinc sulphur oxygen of the invention, preferable specific embodiment is:
By the levigate extremely -0.074mm content of raw ore in 70%~90% range, No severing mud directly carries out flotation operation, first
Plumbum floatation operation is carried out, plumbum floatation tailing enters zinc flotation operation.
The plumbum floatation operation only carries out the synchronous flotation of vulcanized lead lead oxide regardless of vulcanization plumbum floatation and oxidation plumbum floatation,
Obtain vulcanized lead lead oxide mixing lead concentrate；
The zinc flotation operation only carries out the synchronous flotation of zinc sulphide zinc oxide regardless of zinc sulphide flotation and zinc oxide flotation,
Obtain zinc sulphide zinc oxide mixing zinc concentrate.
Specifically include step:
(1) ore grinding: by the levigate extremely -0.074mm content of raw ore in 70%~90% range, to grinding machine in grinding process
The interior vulcanized sodium that 4000~8000g/t is added；
(2) plumbum floatation operation is carried out to the ore pulp after ore grinding, includes in total a lead roughing, lead is scanned three times, three times lead
It is selected, specifically it is respectively as follows:
1. lead roughing, be added into the ore pulp after levigate the waterglass of 800~1500g/t, 200~400g/t it is penta yellow
Medicine carries out lead roughing operation, obtains lead rougher concentration and lead rougher tailings；
2. 300~800g/t waterglass, 500~1000g/t vulcanized sodium, 10 are added into lead rougher concentration for lead selected one
Penta xanthate of~40g/t carries out the selected operation of lead, obtains the selected concentrate of lead and the selected tailing of lead, the selected tailing of lead returns
Before being back to lead roughing operation；
3. the waterglass of 100~500g/t is added into the selected concentrate of lead for lead selected two, selected two operation of lead is carried out,
Selected two concentrate of lead and selected two tailing of lead are obtained, before selected two tailing of lead is back to the selected operation of lead；
4. the waterglass of 100~500g/t is added into selected two concentrate of lead for lead selected three, selected three operation of lead is carried out,
Lead concentrate and selected three tailing of lead are obtained, before selected three tailing of lead is back to selected two operation of lead；
5. lead scans one, the vulcanized sodium of 1000~3000g/t, penta Huang of 100~200g/t are added into lead rougher tailings
Medicine carries out lead and scans an operation, obtains that lead scans a concentrate and lead scans a tailing, and lead scans a concentrate and is back to lead roughing work
Industry lead；
6. lead scans two, penta that vulcanized sodium, 50~100g/t that 500~1500g/t is added in a tailing are scanned to lead is yellow
Medicine carries out lead and scans two operations, obtains that lead scans two concentrate and lead scans two tailings, and lead, which scans two concentrate and is back to lead, scans one
Before operation；
7. lead scans three, penta xanthate that 25~50g/t is added in two tailings is scanned to lead, is carried out lead and is scanned three operations, obtains
Three concentrate and lead tailing are scanned to lead, and lead is scanned three concentrate and is back to before lead scans two operations；
(3) zinc flotation operation is carried out to lead tailing, includes in total a zinc roughing, four times zinc is selected, and zinc is scanned twice, tool
Body is respectively as follows:
1. zinc roughing, be added into lead tailing the waterglass of 1500~3000g/t, 4000~8000g/t vulcanized sodium,
The mixed amine of the copper sulphate of 200~500g/t, 300~500g/t carries out zinc roughing operation, obtains zinc rougher concentration and zinc roughing
Tailing；
2. the waterglass of 500~1000g/t, the vulcanization of 1000~2000g/t are added into zinc rougher concentration for zinc selected one
The mixed amine of sodium, 30~60g/t carries out the selected operation of zinc, obtains the selected concentrate of zinc and the selected tailing of zinc, zinc selected one
Before tailing is back to zinc roughing operation；
3. the vulcanization of the waterglass, 500~1000g/t of 200~600g/t is added into the selected concentrate of zinc for zinc selected two
Sodium carries out selected two operation of zinc, obtains selected two concentrate of zinc and selected two tailing of zinc, selected two tailing of zinc is back to zinc selected one
Before operation；
4. the vulcanization of the waterglass, 300~600g/t of 100~300g/t is added into selected two concentrate of zinc for zinc selected three
Sodium carries out selected three operation of zinc, obtains selected three concentrate of zinc and selected three tailing of zinc, selected three tailing of zinc is back to zinc selected two
Before operation；
5. the waterglass of 50~100g/t is added into selected three concentrate of zinc for zinc selected four, selected four operation of zinc is carried out, is obtained
To selected four tailing of zinc concentrate and zinc, before selected four tailing of zinc is back to selected three operation of zinc；
6. zinc scans one, the vulcanized sodium of 2000~3000g/t, the sulfuric acid of 100~200g/t are added into zinc rougher tailings
The mixed amine of copper, 100~200g/t carries out zinc and scans an operation, obtains that zinc scans a concentrate and zinc scans a tailing, zinc is scanned
Before one concentrate is back to zinc roughing operation；
7. zinc scans two, the mixing that the vulcanized sodium, 50~100g/t of 1000~1500g/t are added in a tailing is scanned to zinc
Amine carries out zinc and scans two operations, obtains zinc and scan two concentrate and tailings, and zinc is scanned two concentrate and is back to before zinc scans an operation.
The synchronous method for floating of the sulphur oxygen of lead-zinc of the invention, by raw ore it is levigate to -0.074mm content 70%~
In 90% range, directly progress plumbum floatation operation, including a lead roughing, lead is selected three times, and lead is scanned three times, obtains vulcanized lead
Lead oxide mixing lead concentrate, plumbum floatation tailing carry out zinc flotation operation, including a zinc roughing, and four times zinc is selected, and zinc is swept twice
Choosing obtains zinc sulphide oxidation zinc bulk concentrate, while output tailing.Lead-zinc oxide ore flotation is carried out using the present invention, is not needed
Desliming operation is carried out, the loss of valuable mineral, while sulphide ore flotation synchronous with oxide ore is avoided, is effectively reduced flotation
Operations number, realize it is energy-saving, and process stablize, it is easily operated.
The synchronous method for floating of the sulphur oxygen of lead-zinc of the invention, the ore properties based on lead-zinc are being selected
On the basis of suitable medicament system, improvement is proposed for flowage structure, ore oxidation rate is not required between 30% to 80%
Carry out desliming operation, only carry out plumbum floatation operation and zinc flotation operation, when plumbum floatation vulcanized lead flotation synchronous with lead oxide into
Enter concentrate, zinc sulphide flotation synchronous with zinc oxide enters concentrate when zinc flotation, does not need first to carry out sulfide flotation to carry out oxygen again
Change mine flotation, process is simple.
In the present invention, lead and zinc dressing job step is all made of sulphide ore oxide ore bulk flotation, and products obtained therefrom is vulcanized lead oxygen
Change lead mixing lead concentrate, zinc sulphide zinc oxide mixing zinc concentrate.Lead-zinc No severing mud flotation may be implemented using the present invention,
It is different from most of once oxidation plumbum floatation operation, a vulcanized lead flotation operation, a zinc sulphide flotation operation, an oxygen
Change zinc flotation operation, the present invention only needs to carry out a plumbum floatation operation, a zinc flotation operation, directly reduction flotation operation section
Number has effectively saved equipment cost and energy consumption, reduces occupied area, process flow is short, and easy to operate, sorting index is good.
Specific embodiment, as shown in Figure 1:
Embodiment 1
Ore sample is certain domestic lead-zinc, and Pb, Zn content is respectively 5.90% and 3.85%, Ag content in raw ore
For 56.60g/t.Lead, zinc oxygenation efficiency be respectively 72.20% and 74.80%, wherein the amount of metal of lead is in vulcanized lead
1.64%, the 27.80% of lead total amount is accounted for, the amount of metal of lead is 2.98% in cerussite, accounts for the 50.49% of lead total amount, other lead
It is then distributed in the mineral such as lead vanadium, plumbojarosite and flockenerz；The amount of metal of zinc is 0.97% in zinc sulphide, accounts for zinc total amount
25.20%, the amount of metal of zinc is 2.34% in smithsonite, accounts for the 60.89% of zinc total amount, other zinc then preservation in smithsonite and zinc
In the mineral such as hercynite, adamite.
Flotation can be recycled sheath and include in sulfide Pb in Pb and cerussite, and the 78.29% of Zhan Zongqian；Zinc packet can be recycled in flotation
Include in sulfide Zn in Zn and smithsonite, the 86.09% of Zhan Zongxin.
It carries out expanding continuous beneficiation test using the present invention, obtained test result is shown in Table 1
The synchronous flotation of 1 lead-zinc sulphur oxygen of table expands continuous beneficiation test result
Product check under mirror, the mineral relative amount of galena is about 25% in lead concentrate, the mineral of cerussite
Relative amount is about 30%；The mineral relative amount of smithsonite is about 41% in zinc concentrate, and the mineral relative amount of zincblende is about
It is 8%.
Embodiment 2
Commerical test is carried out for certain domestic lead-zinc, raw ore Pb, Zn content is respectively 6.38% and 4.47%, oxygen
Rate is respectively 43.45% and 43.92%.Commerical test is carried out using the present invention, obtained index is shown in Table 2.
2 lead-zinc sulphur oxygen of table synchronizes Floatation Industry test result
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Within the technical scope of the present disclosure, any changes or substitutions that can be easily thought of by anyone skilled in the art,
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 (3)
1. a kind of method of the synchronous flotation of lead-zinc sulphur oxygen, it is characterised in that:
By the levigate extremely -0.074mm content of raw ore in 70%~90% range, No severing mud directly carries out flotation operation, first carries out
Plumbum floatation operation, plumbum floatation tailing enter zinc flotation operation.
2. the method for the synchronous flotation of lead-zinc sulphur oxygen according to claim 1, it is characterised in that:
The plumbum floatation operation only carries out the synchronous flotation of vulcanized lead lead oxide, obtains regardless of vulcanization plumbum floatation and oxidation plumbum floatation
Vulcanized lead lead oxide mixing lead concentrate；
The zinc flotation operation only carries out the synchronous flotation of zinc sulphide zinc oxide, obtains regardless of zinc sulphide flotation and zinc oxide flotation
Zinc sulphide zinc oxide mixing zinc concentrate.
3. the method for the synchronous flotation of lead-zinc sulphur oxygen according to claim 2, which is characterized in that specifically include step
It is rapid:
(1) ore grinding: by the levigate extremely -0.074mm content of raw ore in 70%~90% range, add in grinding process into grinding machine
Enter the vulcanized sodium of 4000~8000g/t；
(2) plumbum floatation operation carrying out to the ore pulp after ore grinding, includes in total a lead roughing, lead is scanned three times, and lead is selected three times,
Specifically it is respectively as follows:
1. the waterglass of 800~1500g/t, penta xanthate of 200~400g/t are added into the ore pulp after levigate for lead roughing, into
Quadrat roughing operation, obtains lead rougher concentration and lead rougher tailings；
2. lead selected one, into lead rougher concentration be added 300~800g/t waterglass, 500~1000g/t vulcanized sodium, 10~
Penta xanthate of 40g/t carries out the selected operation of lead, obtains the selected concentrate of lead and the selected tailing of lead, and the selected tailing of lead returns
To lead roughing operation；
3. the waterglass of 100~500g/t is added into the selected concentrate of lead for lead selected two, selected two operation of lead is carried out, is obtained
Selected two concentrate of lead and selected two tailing of lead, before selected two tailing of lead is back to the selected operation of lead；
4. the waterglass of 100~500g/t is added into selected two concentrate of lead for lead selected three, selected three operation of lead is carried out, is obtained
Lead concentrate and selected three tailing of lead, before selected three tailing of lead is back to selected two operation of lead；
5. lead scans one, the vulcanized sodium of 1000~3000g/t, penta xanthate of 100~200g/t are added into lead rougher tailings, into
Quadrat scans an operation, obtains that lead scans a concentrate and lead scans a tailing, and lead scans a concentrate and is back to lead roughing operation lead；
6. lead scans two, penta xanthate of vulcanized sodium, 50~100g/t that 500~1500g/t is added in a tailing is scanned to lead, into
Quadrat scans two operations, obtains that lead scans two concentrate and lead scans two tailings, and lead, which scans two concentrate and is back to lead, scans an operation
Before；
7. lead scans three, penta xanthate that 25~50g/t is added in two tailings is scanned to lead, is carried out lead and is scanned three operations, obtains lead
Scan three concentrate and lead tailing, lead is scanned three concentrate and is back to before lead scans two operations；
(3) zinc flotation operation is carried out to lead tailing, includes in total a zinc roughing, four times zinc is selected, and zinc is scanned twice, and specific point
Not are as follows:
1. zinc roughing, be added into lead tailing the waterglass of 1500~3000g/t, the vulcanized sodium of 4000~8000g/t, 200~
The mixed amine of the copper sulphate of 500g/t, 300~500g/t carries out zinc roughing operation, obtains zinc rougher concentration and zinc rougher tailings；
2. zinc selected one, the waterglass of 500~1000g/t of addition into zinc rougher concentration, the vulcanized sodium of 1000~2000g/t,
The mixed amine of 30~60g/t carries out the selected operation of zinc, obtains the selected concentrate of zinc and the selected tailing of zinc, the selected tail of zinc
Before mine is back to zinc roughing operation；
3. the waterglass of 200~600g/t, the vulcanized sodium of 500~1000g/t are added into the selected concentrate of zinc for zinc selected two,
Selected two operation of zinc is carried out, selected two concentrate of zinc and selected two tailing of zinc are obtained, selected two tailing of zinc is back to zinc selected one and makees
Before industry；
4. the waterglass of 100~300g/t, the vulcanized sodium of 300~600g/t are added into selected two concentrate of zinc for zinc selected three, into
Selected three operation of row zinc, obtains selected three concentrate of zinc and selected three tailing of zinc, and selected three tailing of zinc is back to selected two operation of zinc
Before；
5. the waterglass of 50~100g/t is added into selected three concentrate of zinc for zinc selected four, selected four operation of zinc is carried out, zinc is obtained
Concentrate and selected four tailing of zinc, before selected four tailing of zinc is back to selected three operation of zinc；
6. zinc scans one, be added into zinc rougher tailings the vulcanized sodium of 2000~3000g/t, 100~200g/t copper sulphate,
The mixed amine of 100~200g/t carries out zinc and scans an operation, obtains that zinc scans a concentrate and zinc scans a tailing, zinc scans one
Before concentrate is back to zinc roughing operation；
7. zinc scans two, the mixed amine of vulcanized sodium, 50~100g/t that 1000~1500g/t is added in a tailing is scanned to zinc,
It carries out zinc and scans two operations, obtain zinc and scan two concentrate and tailings, zinc is scanned two concentrate and is back to before zinc scans an operation.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110142144A (en) * | 2019-06-03 | 2019-08-20 | 云南金鼎锌业有限公司 | The method that low-grade difficulty selects Flotation of Zinc Oxide in oxysulphied lead-zinc ore tailings |
| CN110947512A (en) * | 2019-11-22 | 2020-04-03 | 西北矿冶研究院 | Comprehensive recycling method of high-arsenic gold polymetallic ore |
| CN111013827A (en) * | 2019-12-12 | 2020-04-17 | 西藏华泰龙矿业开发有限公司 | Beneficiation method for recycling copper-lead-zinc oxide ore with high mud content, high oxidation rate and high sulfur oxide |
| CN111330741A (en) * | 2020-03-09 | 2020-06-26 | 中南大学 | Synchronous flotation method for oxidized-vulcanized mixed zinc ore |
| CN111617885A (en) * | 2020-05-18 | 2020-09-04 | 宜都兴发化工有限公司 | Synchronous reverse flotation process for low-magnesium high-sesqui collophanite |
| CN113457852A (en) * | 2021-06-19 | 2021-10-01 | 西部矿业股份有限公司 | Flotation method for high-oxidation-rate peat plash lead-zinc ore |
| CN114377859A (en) * | 2021-12-17 | 2022-04-22 | 乌拉特后旗紫金矿业有限公司 | Complex carbon-containing lead-zinc ore collaborative beneficiation method |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110142144A (en) * | 2019-06-03 | 2019-08-20 | 云南金鼎锌业有限公司 | The method that low-grade difficulty selects Flotation of Zinc Oxide in oxysulphied lead-zinc ore tailings |
| CN110947512A (en) * | 2019-11-22 | 2020-04-03 | 西北矿冶研究院 | Comprehensive recycling method of high-arsenic gold polymetallic ore |
| CN111013827A (en) * | 2019-12-12 | 2020-04-17 | 西藏华泰龙矿业开发有限公司 | Beneficiation method for recycling copper-lead-zinc oxide ore with high mud content, high oxidation rate and high sulfur oxide |
| CN111330741A (en) * | 2020-03-09 | 2020-06-26 | 中南大学 | Synchronous flotation method for oxidized-vulcanized mixed zinc ore |
| CN111330741B (en) * | 2020-03-09 | 2022-01-28 | 中南大学 | Synchronous flotation method for oxidized-vulcanized mixed zinc ore |
| CN111617885A (en) * | 2020-05-18 | 2020-09-04 | 宜都兴发化工有限公司 | Synchronous reverse flotation process for low-magnesium high-sesqui collophanite |
| CN111617885B (en) * | 2020-05-18 | 2022-09-16 | 宜都兴发化工有限公司 | Synchronous reverse flotation process for low-magnesium high-sesqui collophanite |
| CN113457852A (en) * | 2021-06-19 | 2021-10-01 | 西部矿业股份有限公司 | Flotation method for high-oxidation-rate peat plash lead-zinc ore |
| CN114377859A (en) * | 2021-12-17 | 2022-04-22 | 乌拉特后旗紫金矿业有限公司 | Complex carbon-containing lead-zinc ore collaborative beneficiation method |
| CN114377859B (en) * | 2021-12-17 | 2024-01-05 | 乌拉特后旗紫金矿业有限公司 | Complex carbon-containing lead-zinc ore collaborative beneficiation method |
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