CN110142133A - A method of recycling potassium feldspar and quartz from golden tailing - Google Patents
A method of recycling potassium feldspar and quartz from golden tailing Download PDFInfo
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- CN110142133A CN110142133A CN201910404913.2A CN201910404913A CN110142133A CN 110142133 A CN110142133 A CN 110142133A CN 201910404913 A CN201910404913 A CN 201910404913A CN 110142133 A CN110142133 A CN 110142133A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B7/00—Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B9/00—General arrangement of separating plant, e.g. flow sheets
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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
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/30—Combinations with other devices, not otherwise provided for
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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
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Abstract
A method of recycling potassium feldspar and quartz from golden tailing comprising desliming, removes iron and flotation circuit at ore grinding, and wherein floating operation includes that collecting agent is added after ore pulp is adjusted pH, and roughing is then successively carried out in flotation device and scans removal impurity；Then activator is added and collecting agent, flotation obtains the first feldspar concentrate；Activator and collecting agent are continuously added in ore pulp, it is selected to obtain the first quartz concentrate.And the first feldspar concentrate subsequent processing is obtained into the second feldspar concentrate, first quartz concentrate subsequent processing is obtained into the second quartz concentrate and third quartz concentrate, also therefore it can need to provide the product of different grades and quality according to different, strong flexibility, market needs can be better met, there is advantage extremely outstanding in practical applications.
Description
Technical field
The present invention relates to tailings glass technical fields, and in particular to a kind of side that potassium feldspar and quartz are recycled from golden tailing
Method.
Background technique
After gold mine extracts gold, non-ferrous metal and other sulphide ores by ore dressing, there is 90% or more tailing to generate, at present
Processing and utilization to golden tailing are mostly made into brick or construction material, and added value of product is low.Porphyry Gold Deposit and stone
Essential mineral is feldspar and quartz in the golden tailing of English vein type gold deposits, wherein K2O content 1~4%, SiO2Content 60~90%,
Main gangue mineral is carbonate, sericite, oxidation irony and other silicate impurities etc., due to oxidation irony and other impurity
It is complicated with the embedding cloth relationship of quartz and potassium feldspar, therefore cause to extract that recycling is difficult, and utilization rate is low, also therefore existing skill
There is no obtain the method for high-grade potassium feldspar and quartz simultaneously by time processing from golden tailing in art.In addition, market
Demand be not it is unalterable, due to different grades potassium feldspar and quartz can be used as processing raw material for different product,
It is if the potassium feldspar and quartz of different grades can flexibly be produced according to the different needs of buyer's market different times, then inevitable
Market needs can be preferably catered to, better economic benefit is obtained.However in the prior art potassium feldspar and quartz production technology
More single, technological operation is entirely different, it is difficult to according to the flexibly switching of different needs, need to arrange if producing different products
Different production lines, occupies a large amount of production site, and cost of investment is huge, it would be highly desirable to improve.
Summary of the invention
Technical problem solved by the invention is to provide a kind of method that potassium feldspar and quartz are recycled from golden tailing, with
The potassium feldspar concentrate and quartz concentrate of grade gradient distribution are obtained, to improve golden comprehensive utilization of tailing rate.
Technical problem solved by the invention is realized using following technical scheme:
A method of it recycling potassium feldspar and quartz from golden tailing, includes the following steps:
1) desliming: golden tailing is subjected to preliminary desliming process using cyclone, the cyclone of suitable diameter is selected to be taken off
Mud can remove in advance carbonate, sericite and iron oxide of most of argillization etc., can make SiO in golden tailing2Content improves 3%
More than.
2) ore grinding: ball-milling treatment will be carried out by the golden tailing of step 1) processing, ore grinding mass concentration is 70-80%；Cause
Golden tailing andesine and quartz be in connection growing state with other impurity, so ore grinding must be carried out first, make 98% or more feldspar with
Quartz dissociation, and grinding fineness is increased to 85~95% energy of -200 mesh generally in -200 mesh 50~70% by the fineness of golden tailing
Each mineral monomer is dissociated, later separation and extraction can be preferably conducive to after dissociation.
3) it removes iron: ore pulp mass concentration is adjusted to 10~20%, intensity magnetic separator is then added and carries out high intensity magnetic separation except iron, removes
Fe in ore pulp after iron2O3Content is less than 1%；Except after iron ore pulp carry out again desliming process and adjust pulp density be 30~
35%；Mainly remove during desliming process again the carbonate dissociated in grinding process, sericite, iron oxide and other
Silicate impurity etc. can make SiO again after desliming2Content is greater than 90%.
4) flotation: collecting agent is added after adjusting pH in ore pulp, and roughing is then successively carried out in flotation device and is scanned to clean
Matter；Activator and collecting agent are added, flotation obtains the first feldspar concentrate, K in the first feldspar concentrate2O grade is greater than 8%, can
Low-grade raw material as glass and ceramics；Activator and collecting agent are continuously added in ore pulp, it is selected to obtain the first quartz concentrate,
First quartz concentrate can be used as low-grade glass raw material.
Further, first feldspar concentrate is not added any reagent blank selected 1~2 time in flotation device, then
Activator is added, adjusts pH to 2.5~3.5, obtains the second feldspar concentrate selected 1~2 time in flotation device, wherein activator is
HF, additional amount are 1~500g/t.K in second feldspar concentrate2O grade is greater than 10%, and the second feldspar concentrate can reach plate glass
With the above standard of feldspar concentrate primes and the above standard of domestic ceramics feldspar qualified product, there is good economic value.
Further, by stone that be adjusted to concentration after the first quartz concentrate dehydration that step 4) obtains be 10~20%
Quartzy ore pulp is added in intensity magnetic separator except iron handles to obtain the second quartz concentrate English ore pulp.SiO in second quartz concentrate2Contain
Amount is greater than 99.80%, Fe2O3Less than 0.02%, the quartzy standard of middle-grade glass can reach.
Further, leaching in mixed acid is added in the second quartz concentrate and obtains third quartz concentrate, mixed acid
It is made of HCl and HF, it is 0.1~3% that HCl mass concentration, which is 10~20%, HF mass concentration, in mixed acid, and the second quartz essence
The mass ratio of mine and mixed acid is 1:(0.67~9).Third quartz concentrate is high-grade quartz products, SiO2Grade is greater than
99.95%, Fe2O3Content can reach the quartzy standard of ultra-thin glass, electrotechnical, electronic industry less than 0.005%.
Further, in step 1), in step 1), desliming carries out multiple desliming using hydrocyclone, for remove-
The following thin mud of 400 mesh, the specification of hydrocyclone are 100~250mm.
Further, in step 2), golden tailing is ground to by -200 mesh 85% using ball mill.
Further, in step 3), for high intensity magnetic separation except iron includes primary strong magnetic roughing and is repeatedly scanned, strong magnetic roughing magnetic field is strong
Degree is 1.0~1.3T, and scanning magnetic field strength is 1.4~1.6T.
Further, the collecting agent is amine cation-collecting agent, and the activator is HF, in step 4), ore pulp tune
It saves and collecting agent is added with the amount of 50~200g/t after pH, roughing is successively carried out in flotation device and scans removal impurity, with 500~
The amount of 2500g/t is added activator, collecting agent is added with the amount of 20~200g/t, and flotation obtains the first feldspar concentrate；Then exist
Continue that activator is added with the amount of 100~500g/t in ore pulp, collecting agent is added with the amount of 10~50g/t, it is selected to obtain first
Quartz concentrate.
Further, the ore pulp adjusts pH to 2~3 by adjusting agent, and regulator is sulfuric acid.
In the present invention, by golden tailing, multiple desliming process method can remove carbonate, the thin,tough silk of most of easy argillization in advance
Mica, oxidation irony and other silicate impurities, and efficiently separate 98% or more potassium feldspar and quartz in mineral in turn
Obtain high efficiency extraction, if without desliming process, impurity be easy argillization it is agglomerating, and by after separation potassium feldspar and quartz wrap up in
It holds under the arm, increases rejecting and separating difficulty, and due to these pretreated presence, subsequent iron removal step is high-efficient and high-quality, by force
Fe in ore pulp after iron removal by magnetic separation2O3Content is i.e. less than 1%, and since the embedding cloth relationship of iron and quartz is complicated, de-ironing efficiency height means
Later separation is high-efficient, can be reduced the processing difficulty of subsequent technique, therefore, except after iron through the multiple processes being rationally arranged continuous later
It can be obtained that grade is higher, meet the potassium feldspar and quartz products of requirements at the higher level.
The utility model has the advantages that the potassium feldspar and the method for quartz of the present invention of recycling from golden tailing can utmostly utilize gold
Tailing, and the potassium feldspar concentrate and quartz concentrate for being suitble to different industrial productions to need of different grades are extracted from golden tailing,
So as to carry out being adjusted flexibly for production technology according to market needs, the potassium feldspar concentrate and quartz concentrate of corresponding grade are supplied；
More low-grade potassium feldspar concentrate and quartz concentrate obtained in it can meet basic daily process raw material；High-grade quartz
Concentrate is high-grade quartz concentrate, SiO2Grade is 99.97%, Fe2O3Content is 0.004%, can meet ultra-thin glass, electrician
Used in electronic industry quartz standard；K in high-grade potassium feldspar concentrate2O grade is 10.8%, can reach plate glass feldspar essence
The above standard of mine primes.Therefore the realistic plan of suitable industrialized production and popularization is provided for golden tailings glass,
New thinking is provided for the depth recycling of golden tailing.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiment is closed, the present invention is further explained.
Golden tailing is subjected to Desliming test result such as table 1, selects suitable classification fineness can be by potassium in the metallic ore of retention
The yield of feldspar and quartz is controlled in OK range, and can be by carbonate, sericite and the iron oxide etc. of most of easy argillization
Removal in advance, as shown in the table, according to table 1, quartz content is less in -400 mesh materials, and grade is lower, and impurity accounting
It is larger, therefore, golden tailing is subjected to preliminary desliming using hydrocyclone.
1 gold medal tailing screening result of table
Embodiment 1
1) golden tailing desliming: is subjected to preliminary desliming process；SiO in golden tailing at this time2Content reaches 71%；
2) ore grinding: ball-milling treatment, ore milling concentration 70%, grinding fineness -200 will be carried out by the golden tailing of step 1) processing
Mesh is greater than 85%, so that each mineral monomer be made to dissociate, later separation and extraction can be preferably conducive to after dissociation；
3) it removes iron: ore pulp mass concentration is adjusted to 15%, intensity magnetic separator is added in ore pulp and carries out high intensity magnetic separation except iron, Qiang Ci
Blanking iron includes primary strong magnetic roughing and repeatedly scans, and strong magnetic roughing magnetic field strength is 1.2T, and scanning magnetic field strength is 1.5T, is removed
Fe in ore pulp after iron2O3Content is 0.95%；Except the ore pulp after iron carries out desliming process again, and adjusting pulp density is 32%；
Make SiO after desliming again2Content is improved to 91.2%；
4) flotation: being added amine cation-collecting agent after ore pulp sulphur acid for adjusting pH to 2~3 with the amount of 100g/t, floating
It selects and successively carries out roughing in machine and scan removal impurity；Activator is added with the amount of 1000g/t, amine is added with the amount of 120g/t
Cation-collecting agent, flotation obtain the first feldspar concentrate；Then continue to be added with the amount of 150g/t in ore pulp HF activator, with
Amine cation-collecting agent is added in the amount of 30g/t, selected to obtain the first quartz concentrate.In the present embodiment in the first feldspar concentrate
K2O grade is 8.1%, can be applied to low-grade glass and ceramic raw material, SiO in the first quartz concentrate2Grade is 99.3%, can be answered
For low-grade glass raw material.
Embodiment 2
1) golden tailing desliming: is subjected to preliminary desliming process；SiO in golden tailing after desliming2Content reaches 71%；
2) ore grinding: ball-milling treatment, ore milling concentration 70% will be carried out by the golden tailing of step 1) processing.Ore grinding is to fineness-
200 mesh are greater than 85%；To make each mineral monomer dissociate, later separation and extraction can be preferably conducive to after dissociation.
3) it removes iron: ore pulp mass concentration is adjusted to 10%, intensity magnetic separator is added in ore pulp and carries out high intensity magnetic separation except iron, Qiang Ci
Blanking iron includes primary strong magnetic roughing and repeatedly scans, and strong magnetic roughing magnetic field strength is 1.3T, and scanning magnetic field strength is 1.6T, is removed
Fe in ore pulp after iron2O3Content is 0.90%；Except the ore pulp after iron carries out desliming process again and adjusts pulp density to be 30%；
Make SiO after desliming again2Content is improved to 90.1%.
4) flotation: being added amine cation-collecting agent after ore pulp sulphur acid for adjusting pH to 2~3 with the amount of 200g/t, floating
It selects and successively carries out roughing in machine and scan removal impurity；HF activator is added with the amount of 500g/t, amine is added with the amount of 20g/t
Cation-collecting agent, flotation obtain the first feldspar concentrate；Then continue to be added with the amount of 500g/t in ore pulp HF activator, with
Amine cation-collecting agent is added in the amount of 50g/t, selected to obtain the first quartz concentrate.Then by the first feldspar concentrate in flotation device
In be not added any reagent blank selected 1 time, HF activator is added with the amount of 100g/t after the completion of selected, adjustment pH to 2.5~
3.5, and then the second feldspar concentrate is obtained selected 1 time in flotation device；Concentration will be adjusted to after first quartz concentrate dehydration
For 10% quartzy ore pulp, quartzy ore pulp is added in intensity magnetic separator except iron handles to obtain the second quartz concentrate.The present embodiment obtains
To the second feldspar concentrate in K2O grade is 10.8%, can reach the above standard of simple glass feldspar concentrate primes, daily
The ceramics above standard of feldspar qualified product；The SiO of second quartz concentrate2Content is greater than 99.80%, Fe2O3It, can less than 0.02%
Reach the quartzy standard of simple glass.
Embodiment 3
1) golden tailing desliming: is subjected to preliminary desliming process；SiO in golden tailing at this time2Content reaches 71%；
2) ore grinding: ball-milling treatment, ore milling concentration 70%, grinding fineness -200 will be carried out by the golden tailing of step 1) processing
Mesh is greater than 85%；To make each mineral monomer dissociate, later separation and extraction can be preferably conducive to after dissociation；
3) it removes iron: ore pulp mass concentration is adjusted to 20%, intensity magnetic separator is added in ore pulp and carries out high intensity magnetic separation except iron, Qiang Ci
Blanking iron includes primary strong magnetic roughing and repeatedly scans, and strong magnetic roughing magnetic field strength is 1.0T, and scanning magnetic field strength is 1.4T, is removed
Fe in ore pulp after iron2O3Content is 0.96%；Except the ore pulp after iron carries out desliming process again and adjusts pulp density to be 35%；
Make SiO after desliming again2Content is improved to 90.5%；
4) flotation: amine cation-collecting agent is added with the amount of 50g/t after ore pulp sulphur acid for adjusting pH to 2~3, in flotation
Roughing is successively carried out in machine and scans removal impurity；HF activator is added with the amount of 2500g/t, amine is added with the amount of 200g/t
Cation-collecting agent, flotation obtain the first feldspar concentrate；Then continue to be added with the amount of 100g/t in ore pulp HF activator, with
Amine cation-collecting agent is added in the amount of 10g/t, selected to obtain the first quartz concentrate；Then by the first feldspar concentrate in flotation device
In be not added any reagent blank selected 2 times, HF activator is then added with the amount of 250g/t, adjusts pH to 2.5~3.5, floating
It selects in machine selected 2 times and obtains the first feldspar concentrate；Quartz of the concentration for 20% will be adjusted to after first quartz concentrate dehydration
Quartzy ore pulp is added in intensity magnetic separator except iron handles to obtain the second quartz concentrate ore pulp；Second quartz concentrate is added and is mixed
Leaching in acid and obtain third quartz concentrate；Mixed acid is made of HCl and HF, and HCl mass concentration is 15% in mixed acid,
HF mass concentration is 1.5%, and the mass ratio of the second quartz concentrate and mixed acid is 1:2.3；The third stone that the present embodiment obtains
English concentrate is high-grade quartz concentrate, SiO2Grade is 99.97%, Fe2O3Content is 0.004%, can reach ultra-thin glass, electricity
Work used in electronic industry quartz standard.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (9)
1. a kind of method for recycling potassium feldspar and quartz from golden tailing, which comprises the steps of:
1) golden tailing desliming: is subjected to preliminary desliming process；
2) ore grinding: ore pulp is obtained by ball-milling treatment is carried out by the golden tailing of step 1) processing；
3) remove iron: adjustment makes the mass concentration 10~20% of ore pulp, ore pulp addition intensity magnetic separator is carried out except iron, except mine after iron
Fe in slurry2O3Content is less than 1%；Except the ore pulp after iron carries out desliming process again and adjusts ore pulp mass concentration to be 30~35%；
4) flotation: collecting agent will be added after the ore pulp that step 3) is handled adjusts pH, is then successively carried out in flotation device thick
Select and scan removal impurity；Then activator is added and collecting agent, flotation obtains the first feldspar concentrate；Continue in remaining ore pulp
Activator and collecting agent is added, it is selected to obtain the first quartz concentrate.
2. the method according to claim 1 for recycling potassium feldspar and quartz from golden tailing, which is characterized in that by described the
One feldspar concentrate is not added any reagent blank selected 1~2 time in flotation device, is then added activator, and adjustment pH to 2.5~
3.5, the second feldspar concentrate is obtained selected 1~2 time in flotation device.
3. the method according to claim 1 for recycling potassium feldspar and quartz from golden tailing, which is characterized in that by step 4)
It is adjusted to the quartzy ore pulp that mass concentration is 10~20% after the first obtained quartz concentrate dehydration, quartzy ore pulp is added
Except iron handles to obtain the second quartz concentrate in intensity magnetic separator.
4. the method according to claim 3 for recycling potassium feldspar and quartz from golden tailing, which is characterized in that by the second stone
English concentrate is added leaching in mixed acid and obtains third quartz concentrate, and mixed acid is made of HCl and HF, HCl in mixed acid
Mass concentration is that 10~20%, HF mass concentration is 0.1~3%, and the mass ratio of the second quartz concentrate and mixed acid is 1:
(0.67~9.0).
5. the method according to claim 1 for recycling potassium feldspar and quartz from golden tailing, which is characterized in that step 1)
In, desliming carries out multiple desliming using hydrocyclone, and for removing the following thin mud of -400 mesh, the specification of hydrocyclone is
100~250mm.
6. the method according to claim 1 for recycling potassium feldspar and quartz from golden tailing, which is characterized in that step 2)
In, golden tailing is ground to greater than 85% by -200 mesh using ball mill.
7. the method according to claim 1 for recycling potassium feldspar and quartz from golden tailing, which is characterized in that step 3)
In, for high intensity magnetic separation except iron includes primary strong magnetic roughing and is repeatedly scanned, strong magnetic roughing magnetic field strength is 1.0~1.3T, scans magnetic field
Intensity is 1.4~1.6T.
8. the method according to claim 1 for recycling potassium feldspar and quartz from golden tailing, which is characterized in that the activation
Agent is HF, and the collecting agent is amine cation-collecting agent, and in step 4), ore pulp is added after adjusting pH with the amount of 50~200g/t
Collecting agent successively carries out roughing in flotation device and scans removal impurity；Activator is added, with 20 with the amount of 500~2500g/t
Collecting agent is added in the amount of~200g/t, and flotation obtains the first feldspar concentrate；Then continue in ore pulp with the amount of 100~500g/t
Activator is added, collecting agent is added with the amount of 10~50g/t, it is selected to obtain the first quartz concentrate.
9. the method according to claim 1 for recycling potassium feldspar and quartz from golden tailing, which is characterized in that the ore pulp
PH to 2~3 is adjusted by adjusting agent, regulator is sulfuric acid.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113877719A (en) * | 2021-10-29 | 2022-01-04 | 中化地质矿山总局地质研究院 | Method for recovering quartz and enriching tungsten from gold tailings |
| CN115283133A (en) * | 2022-08-25 | 2022-11-04 | 新疆志存新能源材料有限公司 | Separation process of mica, feldspar and quartz in tungsten tin tailings |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113877719A (en) * | 2021-10-29 | 2022-01-04 | 中化地质矿山总局地质研究院 | Method for recovering quartz and enriching tungsten from gold tailings |
| CN113877719B (en) * | 2021-10-29 | 2023-09-15 | 中化地质矿山总局地质研究院 | Method for recovering quartz and enriching tungsten from gold tailings |
| CN115283133A (en) * | 2022-08-25 | 2022-11-04 | 新疆志存新能源材料有限公司 | Separation process of mica, feldspar and quartz in tungsten tin tailings |
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