CN104941788B - A kind of carbon containing difficulty selects the recovery method of copper-lead ore - Google Patents
A kind of carbon containing difficulty selects the recovery method of copper-lead ore Download PDFInfo
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- CN104941788B CN104941788B CN201510294477.XA CN201510294477A CN104941788B CN 104941788 B CN104941788 B CN 104941788B CN 201510294477 A CN201510294477 A CN 201510294477A CN 104941788 B CN104941788 B CN 104941788B
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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
- B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
- B03B5/02—Washing granular, powdered or lumpy materials; Wet separating using shaken, pulsated or stirred beds as the principal means of separation
- B03B5/04—Washing granular, powdered or lumpy materials; Wet separating using shaken, pulsated or stirred beds as the principal means of separation on shaking tables
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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
Abstract
The invention discloses the recovery method that a kind of carbon containing difficulty selects copper-lead ore, it is comprised the following steps：（1）, broken, grinding：By crushing raw ore, it is ground to 0.074mm grades to 70 80%；（2）Bulk flotation obtains bulk concentrate；（3）, reagent removal agent preparation；（4）, reagent removal；（5）, size mixing；（6）, table concentration；（7）, purification：Lead is put into magnetic separator and separated with magnetic iron ore, copper with the bulk concentrate of magnetic iron ore, lead concentrate and copper concentrate is obtained, magnetic iron ore is repeatable to be utilized, the bulk concentrate of copper and carbon is put into shaking table separates, and obtains copper concentrate and carbon ore deposit.Lead and copper are reclaimed the beneficial effects of the invention are as follows using the method for weight Combination of magnetic separation flotation, it is not necessary to add inhibitor, small environmental pollution, high financial profit, lead bronze concentrate quality high, mutually simple containing low, technological process.With extensive economic benefit and social benefit.
Description
Technical field
The recovery of copper-lead ore is selected the present invention relates to nonferrous metals recycling process modification technology, more particularly to a kind of carbon containing difficulty
Method.
Background technology
With the development of society, the increase that people utilize to copper, lead resource, copper, lead ore are increasingly poor, technique of preparing is difficult
Degree is increasing.The choosing of the particularly copper containing carbonate minerals, lead ore, more complicated difficult.
Carbon containing difficulty selects copper, lead ore composition complexity, and carbonate minerals floatability is preferable, influence copper, lead concentrate grade.Copper, lead
Mineral intergrowth is in close relations, with fine grain teeth cloth symbiosis, in addition after galena oxidation, the Pb produced in grinding process2+To Huang
Copper mine has activation, increased asunder copper and lead difficulty.Effective inhibitor potassium bichromate of asunder copper and lead belongs to violent in toxicity
Matter, it is serious to ecological environmental pollution, and production cost is high.
Therefore, reasonable development, using copper, lead mineral resources, reinforcement is selected carbon containing difficulty copper, the technological development of lead ore and is ground
Study carefully, copper, lead comprehensive utilization ratio are improved to greatest extent, with important economic benefit and extensive social benefit.
The content of the invention
The technical problem to be solved in the present invention be existing carbon containing difficulty select copper-lead ore using traditional flotation separation method,
Clean, copper-lead concentrate does not mutually need containing height and during asunder copper and lead the extremely toxic substances such as addition potassium bichromate for decarburization, serious dirty
Dye environment, for this provides the recovery method that a kind of carbon containing difficulty selects copper-lead ore.
The technical scheme is that：A kind of carbon containing difficulty selects the recovery method of copper-lead ore, and it is comprised the following steps：（1）、
Broken, grinding：By crushing raw ore, it is ground to -0.074mm grades to 70-80%；（2）Bulk flotation：By the ore deposit after broken, grinding
Slurry by it is one thick, two sweep, two essences obtain bulk concentrate；
（3）, reagent removal agent preparation：Vulcanized sodium is dissolved in the ethanol solution of 25-30wt%, is stirred, be configured to sulphur
Change sodium ethoxide solution；
（4）, reagent removal：Bulk concentrate is put into reagent removal agitator and adds mixing reagent removal agent stirring 10min, removing mixing essence
The surfactant of ore deposit；
（5）, size mixing：Bulk concentrate after reagent removal is put into agitator of sizing mixing and adds the magnetic concentrate as dense media to stir
10min, sends into table concentration；
（6）, table concentration：Bulk concentrate after sizing mixing is put into shaking table to be separated, lead is respectively obtained with magnetic iron ore
The bulk concentrate of the bulk concentrate, copper and carbon of bulk concentrate, copper and magnetic iron ore；
（7）, purification：Lead is put into magnetic separator and separated with magnetic iron ore, copper with the bulk concentrate of magnetic iron ore, obtain lead concentrate and
Copper concentrate, magnetic iron ore is repeatable to be utilized, and the bulk concentrate of copper and carbon is put into shaking table separates, and obtains copper concentrate and carbon ore deposit.
Bulk flotation described in such scheme includes（1）, roughing：Ore pulp after broken, grinding is put into flotation device and is added
Enter the lime as the 2.0kg/t of regulator, stir 3min, add as the butyl xanthate and 50g/ of the 100g/t of collecting agent
After the butyl ammonium aerofloat stirring 3min of t, flotation 5-10min obtains roughing froth concentrate and rougher tailings；（2）, once purging selection：Thick
Continuation addition stirs 3min, flotation 5- as the butyl xanthate of the 40g/t of collecting agent and the butyl ammonium aerofloat of 20g/t in selecting mine tailing
10min obtains chats 1 and once purging selection mine tailing, and chats 1 returns to one roughing operation；（3）, secondary scan：In once purging selection tail
Continue to add in ore deposit and stir 3min, flotation 5-10min as the butyl xanthate of the 20g/t of collecting agent and the butyl ammonium aerofloat of 10g/t
Chats 2 and mine tailing are obtained, chats 2 returns to once purging selection operation, and mine tailing is abandoned；（4）, primary cleaning：Roughing foam is put into floating
The lime added in machine as the 500g/t of regulator is selected, 3min is stirred, flotation 4-8min obtains primary cleaning foam and smart tail
1, smart tail 1 returns to roughing operation；（5）, recleaning：Primary cleaning foam is put into 3min is stirred in flotation device, flotation 3-
6min obtains bulk concentrate and smart tail 2, and smart tail 2 returns to primary cleaning operation.
Lead and copper are reclaimed the beneficial effects of the invention are as follows using the method for weight Combination of magnetic separation flotation, flow is simple, need not add
Inhibitor, small environmental pollution, high financial profit, lead bronze concentrate quality are high, mutually simple containing low, technological process.With extensive warp
Ji benefit and social benefit；Vulcanized sodium incorporates the oxidation resistance that ethanol improves vulcanized sodium, it is ensured that the reagent removal effect of vulcanized sodium.
Specific embodiment
With reference to embodiment, the present invention will be further described.
Embodiment 1：A kind of carbon containing difficulty selects the recovery method of copper-lead ore, it is characterized in that it is comprised the following steps：（1）, it is broken
Broken, grinding：By crushing raw ore, it is ground to -0.074mm grades to 70%；（2）Bulk flotation：By the ore pulp warp after broken, grinding
Cross it is one thick, two sweep, two essences obtain bulk concentrate；
（3）, reagent removal agent preparation：Vulcanized sodium is dissolved in the ethanol solution of 25wt%, is stirred, be configured to vulcanization
Sodium ethoxide solution；
（4）Reagent removal：Bulk concentrate is put into reagent removal agitator and adds mixing reagent removal agent stirring 10min, removing mixing essence
The medicament on the surface of ore deposit；
（5）, size mixing：Bulk concentrate after reagent removal is put into agitator of sizing mixing and adds the magnetic concentrate as dense media to stir
10min, sends into table concentration；
（6）, table concentration：Bulk concentrate after sizing mixing is put into shaking table to be separated, lead is respectively obtained with magnetic iron ore
The bulk concentrate of the bulk concentrate, copper and carbon of bulk concentrate, copper and magnetic iron ore；
（7）, purification：Lead is put into magnetic separator and separated with magnetic iron ore, copper with the bulk concentrate of magnetic iron ore, obtain lead concentrate and
Copper concentrate, magnetic iron ore is repeatable to be utilized, and the bulk concentrate of copper and carbon is put into shaking table separates, and obtains copper concentrate and carbon ore deposit.
Embodiment 2：A kind of carbon containing difficulty selects the recovery method of copper-lead ore, it is characterized in that it is comprised the following steps：（1）, it is broken
Broken, grinding：By crushing raw ore, it is ground to -0.074mm grades to 75%；（2）Bulk flotation：By the ore pulp warp after broken, grinding
Cross it is one thick, two sweep, two essences obtain bulk concentrate；
（3）, reagent removal agent preparation：Vulcanized sodium is dissolved in 28% ethanol solution, is stirred, be configured to vulcanized sodium
Ethanol solution；
（4）, reagent removal：Bulk concentrate is put into reagent removal agitator and adds mixing reagent removal agent stirring 10min, removing mixing essence
The medicament on the surface of ore deposit；
（5）, size mixing：Bulk concentrate after reagent removal is put into agitator of sizing mixing and adds the magnetic concentrate as dense media to stir
10min, sends into table concentration；
（6）, table concentration：Bulk concentrate after sizing mixing is put into shaking table to be separated, lead is respectively obtained with magnetic iron ore
The bulk concentrate of the bulk concentrate, copper and carbon of bulk concentrate, copper and magnetic iron ore；
（7）, purification：Lead is put into magnetic separator and separated with magnetic iron ore, copper with the bulk concentrate of magnetic iron ore, obtain lead concentrate and
Copper concentrate, magnetic iron ore is repeatable to be utilized, and the bulk concentrate of copper and carbon is put into shaking table separates, and obtains copper concentrate and carbon ore deposit.
Embodiment 3：A kind of carbon containing difficulty selects the recovery method of copper-lead ore, it is characterized in that it is comprised the following steps：（1）, it is broken
Broken, grinding：By crushing raw ore, it is ground to -0.074mm grades to 80%；（2）Bulk flotation：By the ore pulp warp after broken, grinding
Cross it is one thick, two sweep, two essences obtain bulk concentrate；
（3）, reagent removal agent preparation：Vulcanized sodium is dissolved in 30% ethanol solution, is stirred, be configured to vulcanized sodium
Ethanol solution；
（4）, reagent removal：Bulk concentrate is put into reagent removal agitator and adds mixing reagent removal agent stirring 10min, removing mixing essence
The medicament on the surface of ore deposit；
（5）, size mixing：Bulk concentrate after reagent removal is put into agitator of sizing mixing and adds the magnetic concentrate as dense media to stir
10min, sends into table concentration；
（6）, table concentration：Bulk concentrate after sizing mixing is put into shaking table to be separated, lead is respectively obtained with magnetic iron ore
The bulk concentrate of the bulk concentrate, copper and carbon of bulk concentrate, copper and magnetic iron ore；
（7）, purification：Lead is put into magnetic separator and separated with magnetic iron ore, copper with the bulk concentrate of magnetic iron ore, obtain lead concentrate and
Copper concentrate, magnetic iron ore is repeatable to be utilized, and the bulk concentrate of copper and carbon is put into shaking table separates, and obtains copper concentrate and carbon ore deposit.
Wherein bulk flotation is specifically included（1）, roughing：Ore pulp after broken, grinding is put into flotation device add as
The lime of the 2.0kg/t of regulator, stirs 3min, adds the fourth of the butyl xanthate and 50g/t as the 100g/t of collecting agent
After ammonium black powder stirring 3min, flotation 5-10min obtains roughing froth concentrate and rougher tailings；（2）, once purging selection：In roughing tail
Continue to add in ore deposit and stir 3min, flotation 5-10min as the butyl xanthate of the 40g/t of collecting agent and the butyl ammonium aerofloat of 20g/t
Chats 1 and once purging selection mine tailing are obtained, chats 1 returns to one roughing operation；（3）, secondary scan：In once purging selection mine tailing relaying
Continuous addition stirs 3min as the butyl xanthate of the 20g/t of collecting agent and the butyl ammonium aerofloat of 10g/t, during flotation 5-10min is obtained
Ore deposit 2 and mine tailing, chats 2 return to once purging selection operation, and mine tailing is abandoned；（4）, primary cleaning：Roughing foam is put into flotation device
The lime as the 500g/t of regulator is added, 3min is stirred, flotation 4-8min obtains primary cleaning foam and smart tail 1, smart tail 1
Return to roughing operation；（5）, recleaning：Primary cleaning foam is put into 3min is stirred in flotation device, flotation 3-6min is mixed
Concentrate and smart tail 2 are closed, smart tail 2 returns to primary cleaning operation.
Lime stone is the inhibitor of iron sulfide mineral, and butyl ammonium aerofloat and butyl xanthate example press 2:1 proportioning use, as copper,
The collecting agent of lead and associated gold and silver mineral.The effect of vulcanized sodium is to dispel the floating agent on bulk concentrate surface, avoid due to table
The presence of face medicament and influence separating effect of the bulk concentrate on shaking table.The effect of magnetic concentrate is can be effective in reuse adoption process
Ground separates lead concentrate and copper concentrate.The specific requirement of magnetic concentrate is that proportion is more than 4.3, and the mesh of fineness -200 is not more than 95%, magnetic
Thing content is more than 98%；The mechanism of Gravity separation is lead concentrate（Lead grade 50-70%）Proportion is 5.6-6.5, copper concentrate（Copper grade
15-25%）Proportion is 3.6-4.1, magnetic concentrate（Iron grade 55-65%）Proportion is 4.3-4.6, according to the difference of proportion, magnetic iron ore
Lead minerals and copper mineral are efficiently separated on shaking table；The difference acting as according to proportion of shaking table, copper and carbonate minerals
Efficiently separate；The effect of magnetic separator is that the bulk concentrate of the bulk concentrate, copper and magnetic iron ore lead and magnetic iron ore is efficiently separated.Will
The ethanol of certain concentration（25-30wt%）It is to weaken vulcanized sodium in water that dissolving vulcanized sodium forms vulcanization sodium ethoxide solution
Oxidation rate, it is to avoid vulcanized sodium fails.
The copper and lead that the present invention is recovered to are as shown in the table compared with traditional handicraft.
It can be seen that being significantly larger than traditional handicraft to the rate of recovery of copper and lead.
Claims (2)
1. a kind of carbon containing difficulty selects the recovery method of copper-lead ore, it is characterized in that it is comprised the following steps：（1）, broken, grinding：Will
Crushing raw ore, it is ground to -0.074mm grades to 70-80%；（2）Bulk flotation：By the ore pulp after broken, grinding by it is one thick,
Two sweep, two essences obtain bulk concentrate；
（3）, reagent removal agent preparation：Vulcanized sodium is dissolved in the ethanol solution of 25-30wt%, is stirred, be configured to vulcanized sodium
Ethanol solution；
（4）, reagent removal：Bulk concentrate is put into reagent removal agitator and adds mixing reagent removal agent stirring 10min, removing bulk concentrate
The medicament on surface；
（5）, size mixing：Bulk concentrate after reagent removal is put into agitator of sizing mixing and adds the magnetic concentrate as dense media to stir
10min, sends into table concentration；
（6）, table concentration：Bulk concentrate after sizing mixing is put into shaking table to be separated, the mixing of lead and magnetic iron ore is respectively obtained
The bulk concentrate of the bulk concentrate, copper and carbon of concentrate, copper and magnetic iron ore；
（7）, purification：Lead is put into magnetic separator and separated with magnetic iron ore, copper with the bulk concentrate of magnetic iron ore, lead concentrate and copper essence is obtained
Ore deposit, magnetic iron ore is repeatable to be utilized, and the bulk concentrate of copper and carbon is put into shaking table separates, and obtains copper concentrate and carbon ore deposit.
2. a kind of carbon containing difficulty as claimed in claim 1 selects the recovery method of copper-lead ore, it is characterized in that the bulk flotation bag
Include（1）, roughing：Ore pulp after broken, grinding is put into flotation device the lime added as the 2.0kg/t of regulator, stirring
3min, adds after stirring 3min as the butyl xanthate of the 100g/t of collecting agent and the butyl ammonium aerofloat of 50g/t, flotation 5-
10min obtains roughing froth concentrate and rougher tailings；（2）, once purging selection：Continue to add as collecting agent in rougher tailings
The butyl xanthate of 40g/t and butyl ammonium aerofloat the stirring 3min, flotation 5-10min of 20g/t obtain chats 1 and once purging selection mine tailing,
Chats 1 returns to one roughing operation；（3）, secondary scan：Continue to add as the 20g/t of collecting agent in once purging selection mine tailing
Butyl xanthate and 10g/t butyl ammonium aerofloat stirring 3min, flotation 5-10min obtains chats 2 and mine tailing, and chats 2 is returned once
Operation is scanned, mine tailing is abandoned；（4）, primary cleaning：Roughing foam is put into flotation device and is added as the 500g/t's of regulator
Lime, stirs 3min, and flotation 4-8min obtains primary cleaning foam and smart tail 1, and smart tail 1 returns to roughing operation；（5）, secondary fine
Choosing：Primary cleaning foam is put into 3min is stirred in flotation device, flotation 3-6min obtains bulk concentrate and smart tail 2, smart tail 2 is returned
Primary cleaning operation.
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| CN105268559B (en) * | 2015-11-17 | 2017-07-25 | 紫金矿业集团股份有限公司 | The beneficiation method of low-grade copper sulfide ores |
| CN105689146B (en) * | 2016-03-07 | 2017-10-17 | 紫金矿业集团股份有限公司 | It is a kind of by the Cu2+ pyrite activated and the low alkalinity flotation separation method of vitreous copper |
| CN106423535A (en) * | 2016-10-19 | 2017-02-22 | 湖南有色金属研究院 | Magnetic flotation combined beneficiation process for separating copper and lead sulphide ores |
| CN110560272A (en) * | 2019-09-20 | 2019-12-13 | 玉溪矿业有限公司 | Mineral separation process of carbon-containing copper sulfide ore |
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| CN102580855B (en) * | 2012-01-19 | 2013-05-15 | 西北有色地质研究院 | Method for separating lead from carbon and copper in copper-lead-zinc mixed sulfide ore |
| CN104226463B (en) * | 2014-07-28 | 2016-05-25 | 蒙自矿冶有限责任公司 | A kind of beneficiation method of high tin-polymetallic sulphide ore |
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