CN108283995A - A kind of method for floating of flotation Dashuigou, Shimian tellurobismuthite - Google Patents
A kind of method for floating of flotation Dashuigou, Shimian tellurobismuthite Download PDFInfo
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- CN108283995A CN108283995A CN201810217574.2A CN201810217574A CN108283995A CN 108283995 A CN108283995 A CN 108283995A CN 201810217574 A CN201810217574 A CN 201810217574A CN 108283995 A CN108283995 A CN 108283995A
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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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- 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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Abstract
The invention discloses a kind of method for floating of flotation Dashuigou, Shimian tellurobismuthite, raw ore carries out coarse crushing, is milled down to 200 mesh and accounts for 80~85%, pulp density is transferred to solid-to-liquid ratio 1：3, ore pulp is mixed with floating agent；The medicament that the floatation process uses includes silicate, sulphite, xanthate, black powder, terpenic oil.The ore floatation closed circuit flow include one roughing, it is selected twice, scan twice, raw ore can be evaluated grade and be increased to grade 31.13% from 7.5%, high-grade tellurobismuthite of the rate of recovery up to 95.23%.Flow of the present invention is simple, efficiency high energy effectively realizes the high efficiente callback to tellurides.
Description
Technical field
The present invention relates to Dashuigou, Shimian tellurobismuthite fields, and in particular to a kind of flotation of flotation Dashuigou, Shimian tellurobismuthite
Method.
Background technology
Rare and scatter element tellurium content in nature is extremely low, but it can be used in the industries such as space flight, chemical industry, metallurgy, glass, be claimed
For " high-tech element ".It can significantly improve the performances such as material high temperature resistant, wear-resisting, while possess the good reputation of " industrial monosodium glutamate ", existing
By scientific circles' extensive concern.Since it has so many unique property, its global demand amount rapidly increases, price also with
Rise, but the production of existing current tellurium is mainly derived from the refinement of the tellurium earth of positive pole, the demand of industrial tellurium is much not achieved, therefore seek
Look for other methods extremely urgent.By China's geologist's unremitting effort, independent mineralization tellurobismuthite is found in Dashuigou, Shimian eventually,
Break tellurium can only symbiosis can not independent mineralization saying.It is more and more studies have shown that dilute scattered member under the conditions of certain specific geology
Element can be enriched with and independent mineralization.Existing data counts, and global mineral containing tellurium have the few of industrial value up to more than 170 kinds, most
Has Shimian, Sichuan Dashuigou Independent Tellurium tellurobismuthite, it is the independent mineralization mining area found earliest in the world.The technique pair of tradition leaching metal
Head grade requires high, and can be interfered by other metals, while there are many demand of acid, leads to that the production cost increases.
The Te deposit with extraction value is seldom before being found due to Dashuigou, Shimian tellurobismuthite, domestic external application is floating
Select the report of mode ore dressing less.But flotation tellurium mineral are probed into someone since nineteen seventies, are represented the most
Be that tellurides is successfully separated out from gold mine using flotation from En Peinuo gold mines.Pressed down using lime as sulfide in this experiment
As collecting agent soda ash tune pH values of pulp=9.5 are added, through one roughing, twice in preparation, polyoxypropylene glycol ether when scanning
Selected, once purging selection obtains final tellurium concentrate, but tellurium content is few in gold mine, the ore dressing factor of consideration also fail to it is perfect, most
Fail to form industrialization eventually.Liu Han, which is encouraged et al., furthers investigate somewhere tellurobismuthite, from mog, collecting agent type, suppression
Type of preparation and ore-dressing technique are studied, and by once purging selection, roughing twice obtains tellurium grade 9.94%, the rate of recovery
92.4% tellurium concentrate.
But such operating efficiency is relatively low, grade is relatively low, and cost is higher.
Invention content
The technical problem to be solved by the present invention is to the mineral of Dashuigou, Shimian tellurobismuthite complicated, difficult choosing, oxidizable, purpose
It is to provide a kind of method for floating of flotation Dashuigou, Shimian tellurobismuthite, solves Dashuigou, Shimian tellurobismuthite low production efficiency, product
The low and high production cost problem in position.
The present invention is achieved through the following technical solutions：
A kind of method for floating of flotation Dashuigou, Shimian tellurobismuthite, includes the following steps：
(1) raw ore carries out coarse crushing, levigate, adds water to be ground in Dashuigou, Shimian raw ore, obtains fineness and reach -200 mesh
Account for 80%~85% ore pulp；
(2) ore pulp is mixed with floating agent, and obtained ore pulp is stirred evenly with floating agent in flotation cell, mine is obtained
Slurry and floating agent mixture；
(3) and first time roughing is carried out, obtains first time rougher tailings and first time rougher concentration, added in crude ore pulp
Enter medicament A, the medicament A, by weight, the quality of inhibitor is the matter of 800g~1800g, collecting agent in the raw ore per ton
Amount is 100g~180g, and the quality of foaming agent is 70g~150g；
(4) medicament B, the medicament B are added in first time rougher tailings by weight to inhibit in the raw ore per ton
The quality of agent is 100g~400g, collecting agent quality is 10g~50g, quality 1g~5g of foaming agent, obtains scanning essence for the first time
Mine；
(5) first time rougher concentration and first time scavenger concentrate being mixed, it is selected for the first time to carry out, and obtains for the first time
Medicament C, the medicament C is added, by weight, in the raw ore per ton in selected concentrate and tailings in selected concentrate for the first time
The quality of inhibitor is 500g~1500g, the quality of collecting agent is 30g~80g, the quality of foaming agent is 20g~50g；
(6) first time selected obtained concentrate and the concentrate mixing progress scanned for the first time is selected for the second time,
Second selected middle additions medicament D, the medicament D, by weight, in the raw ore per ton the quality of inhibitor for 300g~
800g, collecting agent quality be 20g~70g, the quality of foaming agent is 10g~40g.
(7) selected for the first time and second of selected tailing is mixed and is scanned for the second time, added in scanning for the second time
Enter medicament E, the medicament E, by weight, the quality of inhibitor is the matter of 100g~500g, collecting agent in the raw ore per ton
Amount is 20g~60g, the quality of foaming agent is 10g~40g；Second selected obtained concentrate and the essence scanned for the second time
Mine is entire floatation process final concentrate.
A kind of method for floating of flotation Dashuigou, Shimian tellurobismuthite, the head grade are 6%~8%.
A kind of method for floating of flotation Dashuigou, Shimian tellurobismuthite, the inhibitor are silicate and sulfurous acid
Salt；The collecting agent is xanthate and black powder；The foaming agent is terpenic oil.
Tellurides mainly exists in the form of tetradymite, and tellurium average grade about 7.5%, mog experiment are obtained through analysis
Show when to cross the tellurium grade effect that flotation when 200 mesh account for 85% or so obtains preferable for ore mog.
Solid chemicals used in the present invention are all dissolved in the use of water wiring solution-forming, are then added in flotation cell with syringe.
Silicate and sulphite inhibitor is taken to be dissolved in water, then for constant volume in 250ml volumetric flasks, xanthate and black powder collecting agent are oxidizable
Subsequent collection ability is lost, so now with the current, terpenic oil foaming agent is in oily, not soluble in water, using 0.55 millimeter of needle injection
Device is added.
Sample preparation is divided into two stages, i.e. coarse crushing, grinding.Each stage includes broken again, is sieved, three work of mixing
Sequence.The ore that mining is returned is crushed with jaw crusher, to ensure that sample is uniformly mixed, during coarse crushing,
Mineral to be sieved return of the grain size more than 2mm continues to be crushed, until whole grain sizes are less than 2mm.
Dashuigou, Shimian tellurobismuthite is more special, and process of lapping cannot dry grind, oxidizable, institute in long-term exposure air after grinding
It must add water wet-milling with process of lapping, and now to grind current.The sample ore 650g after coarse crushing is taken, and about 500g water is taken to add together
Enter ball mill grinding 20min, sample crosses 200 mesh and accounts for 85%, after being thoroughly mixed, obtains ore pulp material, spare.
The sample ore of acquisition is added in the flotation cell of 3L flotation devices, the inhibitor, collecting agent, blistering of corrresponding quality is added
Agent is made into the ore pulp for needing index.The ore pulp prepared flotation device is used into open circuit flows flow, it is selected twice through one roughing
Obtain froth pulp, final to obtain tellurium concentrate grade 31.13%, the rate of recovery is up to 95.23%.
Collecting agent used in above-mentioned floatation process uses black powder and xanthate hybrid collector, by weight, per ton for flotation
Pharmacy quality used in tellurobismuthite：All, first time roughing is 180g, selected is for the first time for collecting agent xanthate and black powder dosage
45g, second it is selected be 30g, inhibitor uses silicate and sulphite mixed inhibitor, first time roughing silicate quality
1500g；Sulphite quality 1500g, for the first time selected silicate quality 750g；It is sulphite quality 900g, second selected
Silicate quality 450g；Sulphite quality 600g, first time roughing foaming agent quality 120g, for the first time selected foaming agent quality
45g, second of selected foaming agent quality 30g.Scan inhibitor silicate 45g, sulphite 60g, collecting agent xanthate for the first time
With black powder 30g, foaming agent terpenic oil 30g.It scans for the second time and selects inhibitor silicate 30g, sulphite 45g, collecting agent xanthate
With black powder 30g, foaming agent terpenic oil 30g.
Compared with prior art, the present invention having the following advantages and advantages：
1, a kind of method for floating of flotation Dashuigou, Shimian tellurobismuthite of the present invention, high degree of automation of the present invention, flow letter
Single, efficient and low production cost Inflatable hanging single-trough flotating machine floatation process, can effectively realize to tellurides
High efficiente callback；
2, the grade of a kind of method for floating of flotation Dashuigou, Shimian tellurobismuthite of the present invention, the tellurides that the present invention recycles is high
In 30%, significantly larger than existing recovery process；
3, a kind of method for floating of flotation Dashuigou, Shimian tellurobismuthite of the present invention, the rate of recovery of the present invention is high, and is more convenient for
It operates with.
Description of the drawings
Attached drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is coarse crushing flow chart schematic diagram of the present invention；
Fig. 2 is flotation closed circuit flow schematic diagram of the present invention.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make
For limitation of the invention.
Embodiment 1
A kind of method for floating of flotation Dashuigou, Shimian tellurobismuthite of the present invention, includes the following steps：
(1) it learnt from else's experience and is crushed, was ground to 200 mesh and accounts for 80% mineral 650g and be added in 3L flotation cells, 2400g is added
Tap water is stirred in flotation cell.
(2) inhibitor silicate 1900g/t is taken, is added in flotation cell and stirs 2min, then take sulfite solution
1900g/t stirs 2min；The collecting agent xanthate 180g/t stirring 1min that enchashment is matched, then take black powder 180g/t and stir 1min；Most
8 drop (120g/t) terpenic oil foaming agents are added and are opened after spinner flowmeter valve persistently stirs 1min with 5.5 syringe needle afterwards and are started
It scrapes bubble and carries out first time roughing.
(3) flotation tailing in step (1) and (2) is continued to stay in flotation cell, scan for the first time, sweeps for the first time
During choosing, the silicate 45g/t of addition, sulphite 60g/t, black powder and xanthate each 30g/t, foaming agent 30g/t.
(4) by after first time roughing concentrate and first time scavenger concentrate be added together in flotation cell carry out for the first time essence
Silicate 750g/t is added into flotation cell and stirs 2min for choosing, and the rear sulphite inhibitor 800g/t that is added stirs 2min, then adds
Enter each 45g/t stirrings 1min of xanthate black powder collecting agent, finally plus starts to scrape to steep after 2 drop terpenic oil foaming agent (30g/t) 1min and float
Choosing.
(5) by selected concentrate and second of scavenger concentrate for the first time be added together flotation cell carry out second it is selected, take silicon
Hydrochlorate inhibitor (450g/t) stirs 2min, and afterwards plus sulphite inhibitor (600g/t) stirs 2min, adds xanthate black powder
1min is stirred in subsequent collection agent each (30g/t), finally plus after terpenic oil (20g/t) foaming agent 1min is started to scrape bubble flotation, is obtained second
Secondary selected concentrate and tailings.
(6) the selected tailing of first time cleaner tailings mine and second is mixed and is scanned for the second time, silicate is taken to press down
Preparation (30g/t) stirs 2min, and afterwards plus sulphite inhibitor (45g/t) stirs 2min, and it is each to add xanthate black powder subsequent collection agent
(30g/t) stirs 1min, finally plus after terpenic oil (10g/t) foaming agent 1min starts to scrape bubble flotation.
(7) second selected concentrate and the concentrate scanned for the second time through filtering, drying, to analyze be exactly tellurium concentrate, tellurium grade
28.43%, the rate of recovery 85.61%.
Embodiment 2
(1) by 650g raw ores carry out coarse crushing, it is levigate, add water to be ground in Dashuigou, Shimian raw ore, obtain fineness reach-
200 mesh account for 80%~85% ore pulp；
(2) ore pulp is mixed with floating agent, and obtained ore pulp is stirred evenly with floating agent in flotation cell, mine is obtained
Slurry and floating agent mixture；
(3) and first time roughing is carried out, obtains rougher concentration and rougher tailings, medicament A is added in selected concentrate for the first time,
The medicament A, the medicament A, by weight, the quality of inhibitor is 600g in the raw ore per ton, the quality of collecting agent is
The quality of 50g, foaming agent are 40g；
(4) medicament B, the medicament B are added in first time rougher tailings, scan for the first time, it is by weight, per ton
The quality of inhibitor is 60g in the raw ore, collecting agent quality is 2g, the quality 0.4g of foaming agent, obtains scanning essence for the first time
Mine；
(5) progress of first time rougher concentration is selected for the first time, selected concentrate and tailings for the first time are obtained, in essence for the first time
It chooses and medicament C, the medicament C is added, by weight, the quality of inhibitor is the matter of 300g, collecting agent in the raw ore per ton
Amount is 15g, the quality of foaming agent is 10g；
(6) will for the first time selected concentrate carry out second it is selected, in second selected middle addition medicament D, the medicament D,
By weight, the quality of inhibitor is 100g in the raw ore per ton, the quality of collecting agent is 10g, the quality of foaming agent is 2g.
(7 are scanned the selected tailing mixing of first time cleaner tailings and second for the second time, take silicic acid salt inhibitor
(30g/t) stirs 2min, and afterwards plus sulphite inhibitor (45g/t) stirs 2min, adds each (30g/ of xanthate black powder subsequent collection agent
T) 1min is stirred, finally plus after terpenic oil (10g/t) foaming agent 1min starts to scrape bubble flotation.Second selected concentrate and second
The concentrate scanned is exactly tellurium concentrate, tellurium grade 27.73%, the rate of recovery 86.1% through filtering, drying, analysis.
Embodiment 3
(1) by 650g raw ores carry out coarse crushing, it is levigate, add water to be ground in Dashuigou, Shimian raw ore, obtain fineness reach-
200 mesh account for 80%~85% ore pulp；
(2) ore pulp is mixed with floating agent, and obtained ore pulp is stirred evenly with floating agent in flotation cell, mine is obtained
Slurry and floating agent mixture；
(3) and first time roughing is carried out, obtains rougher concentration, rougher tailings, addition medicament A, described in rougher concentration
Medicament A, the medicament A, by weight, the quality of inhibitor is 1500g in the raw ore per ton, the quality of collecting agent is
The quality of 150g, foaming agent are 130g；
(4) medicament B is added in first time rougher tailings, carries out scanning the medicament B for the first time, it is by weight, per ton
The quality of inhibitor is 250g in the raw ore, collecting agent quality is 35g, the quality 3g of foaming agent, obtains scanning essence for the first time
Mine；
(5) selected concentrate progress for the first time is selected for the first time, selected concentrate and tailings for the first time are obtained, in first time essence
It chooses and medicament C, the medicament C is added, by weight, the quality of inhibitor is the matter of 1100g, collecting agent in the raw ore per ton
Amount is 50g, the quality of foaming agent is 30g；
(6) tailing after will be selected for the first time is scanned for the second time, and medicament D, the medicine are added in scanning for the second time
Agent D, by weight, the quality of inhibitor is 350g in the raw ore per ton, the quality of collecting agent is 37g, the quality of foaming agent
For 28g；
(6) obtained concentrate progress selected for the first time is selected for the second time, it is described in second of selected middle addition medicament D
Medicament D, by weight, the quality of inhibitor is 600g in the raw ore per ton, the quality of collecting agent is 50g, the matter of foaming agent
Amount is 24g.
(7) selected for the first time and second of selected tailing is mixed and is scanned for the second time, added in scanning for the second time
Enter medicament E, the medicament E, by weight, the quality of inhibitor is 350g in the raw ore per ton, the quality of collecting agent is
37g, foaming agent quality be 28g；
Second selected concentrate and the concentrate scanned for the second time through filtering, drying, to analyze be exactly tellurium concentrate, concentrate grade
31.13%, the rate of recovery is up to 95.23%.
In conclusion the value range of the present embodiment 1 and embodiment 2 the present invention value range outside, although its concentrate
Grade is all 25% or more, but its rate of recovery is relatively low, and value range of the value range in the present invention in the embodiment of the present invention 3
Interior, obtained concentrate grade is 30% or more, and the rate of recovery is also up to 95.23%, is better than existing extracting method, therefore
Not only preparation process is simple by the present invention, easy to operation, efficient, and obtained grade and the rate of recovery are all higher.
Above-described specific implementation mode has carried out further the purpose of the present invention, technical solution and advantageous effect
It is described in detail, it should be understood that the foregoing is merely the specific implementation mode of the present invention, is not intended to limit the present invention
Protection domain, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (5)
1. a kind of method for floating of flotation Dashuigou, Shimian tellurobismuthite, which is characterized in that include the following steps：
(1) raw ore carries out coarse crushing, levigate, adds water to be ground in Dashuigou, Shimian raw ore, obtains fineness and reach -200 mesh accounting for
80%~85% ore pulp；
(2) ore pulp is mixed with floating agent, and obtained ore pulp is stirred evenly with floating agent in flotation cell, obtain ore pulp with
Floating agent mixture；
(3) and first time roughing is carried out, obtains first time rougher tailings and first time rougher concentration, medicine is added in crude ore pulp
Agent A, the medicament A, by weight, the quality of inhibitor is 800g~1800g in the raw ore per ton, the quality of collecting agent is
The quality of 100g~180g, foaming agent are 70g~150g；
(4) medicament B, the medicament B, by weight, inhibitor in the raw ore per ton are added in first time rougher tailings
Quality is 100g~400g, collecting agent quality is 10g~50g, quality 1g~5g of foaming agent, obtains first time scavenger concentrate；
(5) first time rougher concentration and first time scavenger concentrate being mixed, it is selected for the first time to carry out, and obtains selected for the first time
Concentrate and tailings, addition medicament C, the medicament C inhibit in the raw ore per ton by weight in selected concentrate for the first time
The quality of agent is 500g~1500g, the quality of collecting agent is 30g~80g, the quality of foaming agent is 20g~50g；
(6) first time selected obtained concentrate and the concentrate mixing progress scanned for the first time is selected for the second time, second
Secondary selected middle addition medicament D, the medicament D, by weight, in the raw ore per ton the quality of inhibitor be 300g~800g,
The quality of collecting agent is 20g~70g, the quality of foaming agent is 10g~40g.
(7) selected for the first time and second of selected tailing is mixed and is scanned for the second time, medicine is added in scanning for the second time
Agent E, the medicament E, by weight, the quality of inhibitor is 100g~500g in the raw ore per ton, the quality of collecting agent is
20g~60g, foaming agent quality be 10g~40g；Second of selected obtained concentrate and the concentrate scanned for the second time are
Entire floatation process final concentrate.
2. a kind of method for floating of flotation Dashuigou, Shimian tellurobismuthite according to claim 1, which is characterized in that the original
Mine grade is 6%~8%.
3. a kind of method for floating of flotation Dashuigou, Shimian tellurobismuthite according to claim 1, which is characterized in that the suppression
Preparation is silicate and sulphite；The collecting agent is xanthate and black powder；The foaming agent is terpenic oil.
4. a kind of method for floating of flotation Dashuigou, Shimian tellurobismuthite according to claim 1, which is characterized in that the mine
It is 7~9 to starch pH value.
5. a kind of method for floating of flotation Dashuigou, Shimian tellurobismuthite according to claim 1, which is characterized in that ore pulp is dense
It is 1 to spend solid-to-liquid ratio:2.5~1：3.5.
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| CN201810217574.2A CN108283995A (en) | 2018-03-16 | 2018-03-16 | A kind of method for floating of flotation Dashuigou, Shimian tellurobismuthite |
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| CN201810217574.2A CN108283995A (en) | 2018-03-16 | 2018-03-16 | A kind of method for floating of flotation Dashuigou, Shimian tellurobismuthite |
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| CN106987706A (en) * | 2017-04-13 | 2017-07-28 | 成都理工大学 | A kind of leaching method of tellurobismuthite |
| CN107694759A (en) * | 2017-09-12 | 2018-02-16 | 长春黄金研究院 | A kind of collecting method of monomer particle gold |
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2018
- 2018-03-16 CN CN201810217574.2A patent/CN108283995A/en active Pending
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| US20110016767A1 (en) * | 2009-06-12 | 2011-01-27 | Francisco Flecha | Spring-loaded fishing lure |
| CN102974467A (en) * | 2012-10-30 | 2013-03-20 | 东北大学 | Beneficiation reagent and of separating and recycling precious metal from cooper anode mud using method thereof |
| CN106987706A (en) * | 2017-04-13 | 2017-07-28 | 成都理工大学 | A kind of leaching method of tellurobismuthite |
| CN107694759A (en) * | 2017-09-12 | 2018-02-16 | 长春黄金研究院 | A kind of collecting method of monomer particle gold |
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| 张泾生等: "《矿用药剂》", 30 November 2008, 冶金工业出版社 * |
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Application publication date: 20180717 |