CN106391318B - Method for sorting high-mud copper-lead oxide polymetallic ores - Google Patents
Method for sorting high-mud copper-lead oxide polymetallic ores Download PDFInfo
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- CN106391318B CN106391318B CN201610252628.XA CN201610252628A CN106391318B CN 106391318 B CN106391318 B CN 106391318B CN 201610252628 A CN201610252628 A CN 201610252628A CN 106391318 B CN106391318 B CN 106391318B
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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
- B03B1/00—Conditioning for facilitating separation by altering physical properties of the matter to be treated
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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
- B03D1/08—Subsequent treatment of concentrated product
- B03D1/085—Subsequent treatment of concentrated product of the feed, e.g. conditioning, de-sliming
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Abstract
A method for sorting high-slime copper-lead oxide polymetallic ores comprises the steps of preparing flotation ore pulp, performing mixed roughing on copper and lead, performing separation flotation on copper minerals and lead minerals, performing concentration on lead rough concentrates and the like. The invention has the beneficial effects that: the mixed roughing of copper and lead minerals is carried out under the condition of low alkalinity, so that the problems of large floating amount of slime, low enrichment ratio of rough concentrate and low recovery rate of lead minerals caused by high alkalinity of mixed roughing operation are solved; the process of separating copper and lead minerals from the copper-lead mixed rough concentrate directly and separating tailings and then separating lead effectively improves the copper-lead separation efficiency, avoids the problem that the copper and lead minerals are not easy to float upwards in the mixed concentration process, and effectively solves the problem that the slime deteriorates the copper-lead separation and mineralization environment in the closed flotation circulation process of the high-slime copper-lead oxide ore.
Description
Technical field
The present invention relates to mineral floating separating technology technical field, specifically a kind of high mud oxidation copper-lead polymetallic ore sorting
Method.
Background technology
Common high mud copper oxide lead ore has two features：Ore easy argillization, floating in broken grinding process first
Clay content is big in ore dressing slurry, and -0.074mm grades account for 80% in flotation pulp, wherein -0.010mm grades account for 35% or more, argillization is tight
Weight；Secondly oxidation copper content height, copper mine species are more in ore, include mainly malachite, chrysocolla, vitreous copper, copper oxygen
Rate is 50% ~ 70%；Lead minerals is based on galena, Lead oxidation rate 20% ~ 40%.If using conventional vulcanized sodium, bichromate
Or sulphite process cannot achieve copper mineral and the efficiently concentrating of lead minerals in the copper oxide lead ore and detach.It is existing to ask
Topic is embodied in：1 inhibitor amount ranges are relatively narrow, it is difficult to control, and when inhibiting lead minerals copper oxide mineral be also easier to by
Inhibit；2 heavy metal ion are not degradable, and environmental pollution is serious；A large amount of flotation are added in 3 copper minerals and lead minerals separation process
Medicament, reagent cost are larger；Copper, lead mutually contain and severely exceed in 4 concentrate, and copper oxide lead minerals is difficult to realize effectively sort.
Invention content
Technical problem to be solved by the invention is to provide high mud to aoxidize copper-lead polymetallic ore method for separating, existing to solve
The problem of technology cannot achieve copper mineral and the efficiently concentrating of lead minerals in the copper oxide lead ore and detach.
The present invention solve technical problem technical solution be：A kind of high mud oxidation copper-lead polymetallic ore method for separating, it is described
Method includes the following steps.
Flotation pulp prepares and copper-lead mixing roughing：Into raw ore be added lime, vulcanized sodium, lime adding amount be 500 grams/
Ton raw ore, vulcanized sodium addition are 1000 g ton raw ores.Lime, the tcrude ore of vulcanized sodium and homogenous quantities water is blended with to be sent into
Ball mill grinding is ground to -0.074mm grades account for wholegrain grade 75% ~ 80%.The moisturizing into ground ore pulp, until ore pulp
Mass concentration is 30% ~ 33%.Butyl xanthate, -112 stoste of ester are added in the ore pulp prepared, butyl xanthate addition is 100
~ 150 g ton raw ores, -112 stoste addition of ester are 50 ~ 60 g ton raw ores.Copper, lead minerals mixing are carried out after stirring 2min slightly
Choosing obtains copper-lead mixed crude concentrate.
Copper mineral and lead minerals separating flotation：Lime, vulcanized sodium are added into copper-lead mixed crude concentrate, lime adding amount is
1500 ~ 2000 g ton raw ores, vulcanized sodium addition are 100 ~ 150 g ton raw ores.Vulcanized sodium, Jiao Ya is added in stirring after five minutes
Sodium sulphate, vulcanized sodium addition are 50 ~ 100 g ton raw ores, and sodium pyrosulfite addition is 200 ~ 300 g ton raw ores.Stirring 3
Ethyl ammonia sulfate O- isopropyl-N- ethyl thionic carbamates are added after minute, the addition of ethyl ammonia sulfate is 5 ~ 10 g tons
Raw ore.Stirring carries out copper, lead minerals separating flotation operation after 2 minutes, obtains copper rough concentrate and lead rough concentrate.
Lead rough concentrate is selected：It is added calgon into lead rough concentrate, calgon addition is 200 ~ 300 grams/
Ton raw ore.Butyl xanthate is added for 3 minutes in stirring, and butyl xanthate addition is 40 ~ 60 g ton raw ores.Stirring carries out lead ore in 2 minutes
Object flotation obtains lead concentrate, selects lead tailing to return to copper-lead mixing and scans operation.
" g ton raw ore " refers to the grams that medicament is added in raw ore per ton in aforesaid operations.
The beneficial effects of the present invention are：Using the mixing roughing for carrying out copper, lead minerals under the conditions of low alkalinity, avoid
Because mixing roughing operation basicity height leads to the problem that sludge float-amount is big, rough concentrate concentration ratio is low, the lead minerals rate of recovery is low；Copper-lead
Mixed crude concentrate directly carries out copper, lead minerals separation, and the technique for detaching spoil reclaming lead effectively increases separation of lead from copper efficiency,
Copper, lead minerals are avoided the problem of being not easy to float in mixing refining process, sludge is efficiently solved and aoxidizes boleite in high mud
Deterioration during the closed circuit flotation circuit of stone to Cu-Pb separation mineralising environment.
Specific implementation mode
The present invention will be further described with reference to embodiments.
Embodiment 1.
A kind of high mud oxidation copper-lead polymetallic ore sorting process, it includes the following steps：
Flotation pulp prepares and copper-lead mixing roughing：Into raw ore be added lime, vulcanized sodium, lime adding amount be 500 grams/
Ton raw ore, vulcanized sodium addition are 1000 g ton raw ores；Lime, the tcrude ore of vulcanized sodium and homogenous quantities water is blended with to be sent into
Ball mill grinding is ground to -0.074mm grades account for wholegrain grade 80%；The moisturizing into ground ore pulp, until ore pulp quality
A concentration of 30%；Butyl xanthate, -112 stoste of ester are added in the ore pulp prepared, butyl xanthate addition is that 100 g tons are former
Mine, -112 stoste addition of ester are 50 g ton raw ores；Copper, lead minerals mixing roughing are carried out after stirring 2min, obtains copper-lead mixing
Rough concentrate.
Copper mineral and lead minerals separating flotation：Lime, vulcanized sodium are added into copper-lead mixed crude concentrate, lime adding amount is
1500 g ton raw ores, vulcanized sodium addition are 100 g ton raw ores；Vulcanized sodium, sodium pyrosulfite, sulphur is added in stirring after five minutes
Change sodium addition is 50 g ton raw ores, and sodium pyrosulfite addition is 200 g ton raw ores；Second sulphur ammonia is added after 3 minutes in stirring
The addition of ester, ethyl ammonia sulfate is 5 g ton raw ores；Stirring carries out copper, lead minerals separating flotation operation after 2 minutes, and it is thick to obtain copper
Concentrate and lead rough concentrate.
Lead rough concentrate is selected：Calgon is added into lead rough concentrate, calgon addition is that 200 g tons are former
Mine；Butyl xanthate is added for 3 minutes in stirring, and butyl xanthate addition is 40 g ton raw ores；Stirring carries out lead minerals flotation in 2 minutes,
Lead concentrate is obtained, selects lead tailing to return to copper-lead mixing and scans operation.
Copper grade is 1.24%, lead grade 2.14g/t in the raw ore described in the present embodiment 1 after testing, copper oxide accounts for total copper weight
The 52.34% of amount；It is 19.25% through copper grade in the obtained copper rough concentrate of the present invention, lead grade 4.12%, copper recovery 71.24%,
Lead grade 46.24%, copper grade 1.12%, lead recovery 84.34% in lead rough concentrate.
Reference examples 1.
Selected-Cu-Pb separation technique is mixed using traditional sulphur oxygen copper-lead bulk flotation-copper-lead, copper-lead is aoxidized to same high mud
After 1500 g ton raw ore of lime, 1000 g ton raw ore of vulcanized sodium is added in raw ore, pass through the levigate obtained mass concentration of ball mill
For 30% ore pulp, after 120 g ton raw ore of butyl xanthate, 50 g ton raw ore of -112 stoste of ester stirring 2min are added in ore pulp
Copper, lead minerals mixing roughing are carried out, copper-lead mixed crude concentrate is obtained, calgon 200 is added in copper-lead mixed crude concentrate
G ton raw ore, 30 g ton raw ore of butyl xanthate are selected by the mixing of copper-lead three times, obtain Copper-lead mixed concentrate, are mixed in copper-lead
200 g ton of vulcanized sodium, 200 g ton of activated carbon stirring 5min are added in concentrate, adds 50 g ton raw ore of vulcanized sodium, Jiao Ya
300 g ton of sodium sulphate, 200 g ton of zinc sulfate stir 3min, and 5 g ton stirring 2min of Z-200 stostes is then added and carries out copper-lead
Separation obtains copper concentrate and lead concentrate.
Copper grade is 1.24%, lead grade 2.14g/t in the raw ore described in this reference examples 1 after testing, copper oxide accounts for total copper weight
The 58.34% of amount；Obtain Copper in Concentrate grade 18.24%, lead grade 16.34%, copper recovery 32.34%, copper product in lead concentrate
Position 8.23%, lead grade 38.24%, lead recovery 55.23%.Compared with Example 1, copper, lead recovery in copper concentrate, lead concentrate
It is relatively low, and mutually containing higher, sludge amount is larger in floatation process, influences lead concentrate grade for copper, lead in concentrate.
Reference examples 2.
It is former to 1500 g ton of lime is added in same high mud oxidation copper-lead raw ore using copper-lead successively controling differential flotation process for copper
After mine, 1000 g ton raw ore of vulcanized sodium, sulphur is added in the ore pulp for being 30% by the levigate obtained mass concentration of ball mill in ore pulp
1500 g ton raw ore of sour zinc, 1500 g ton raw ore of sodium pyrosulfite stir 3 minutes, and it is former that 60 g ton of Z-200 stostes is then added
Mine carries out copper roughing operation after stirring 2min, obtains copper rough concentrate and is added in copper rougher tailings through 3 selected acquisition copper concentrates
60 g ton raw ore of ethyl xanthate, 60 g ton raw ore of diethyldithiocarbamate, 20 g ton raw ore of terpenic oil stir laggard quadrat roughing in 2 minutes
Operation obtains lead rough concentrate and selected obtains lead concentrate through 2 times.
Copper grade is 1.24%, lead grade 2.14g/t in the raw ore described in this reference examples 2 after testing, copper oxide accounts for total copper weight
The 58.34% of amount；Obtain Copper in Concentrate grade 22.43%, lead grade 10.34%, copper recovery 45.12%, copper product in lead concentrate
Position 4.46%, lead grade 43.74%, lead recovery 62.23%.Compared with Example 1, copper, lead recovery in copper concentrate, lead concentrate
It is relatively low, and mutually containing higher, ore dressing return water drastically deteriorates using rear flotation environment for copper, lead in concentrate, gold in copper concentrate, lead concentrate
Belong to mutually containing increasing, causes product quality unqualified.
Embodiment 2.
Flotation pulp prepares and copper-lead mixing roughing：Into raw ore be added lime, vulcanized sodium, lime adding amount be 500 grams/
Ton raw ore, vulcanized sodium addition are 1000 g ton raw ores；Lime, the tcrude ore of vulcanized sodium and homogenous quantities water is blended with to be sent into
Ball mill grinding is ground to -0.074mm grades account for wholegrain grade 80%；The moisturizing into ground ore pulp, until ore pulp quality
A concentration of 33%；Butyl xanthate, -112 stoste of ester are added in the ore pulp prepared, butyl xanthate addition is that 150 g tons are former
Mine, -112 stoste addition of ester are 60 g ton raw ores；Copper, lead minerals mixing roughing are carried out after stirring 2min, obtains copper-lead mixing
Rough concentrate.
Copper mineral and lead minerals separating flotation：Lime, vulcanized sodium are added into copper-lead mixed crude concentrate, lime adding amount is
2000 g ton raw ores, vulcanized sodium addition are 150 g ton raw ores；Vulcanized sodium, sodium pyrosulfite, sulphur is added in stirring after five minutes
Change sodium addition is 100 g ton raw ores, and sodium pyrosulfite addition is 300 g ton raw ores；Second sulphur ammonia is added after 3 minutes in stirring
The addition of ester, ethyl ammonia sulfate is 10 g ton raw ores；Stirring carries out copper, lead minerals separating flotation operation after 2 minutes, obtains copper
Rough concentrate and lead rough concentrate.
Lead rough concentrate is selected：Calgon is added into lead rough concentrate, calgon addition is that 300 g tons are former
Mine；Butyl xanthate is added for 3 minutes in stirring, and butyl xanthate addition is 60 g ton raw ores；Stirring carries out lead minerals flotation in 2 minutes,
Lead concentrate is obtained, selects lead tailing to return to copper-lead mixing and scans operation.
Copper grade is 1.44%, lead grade 2.56g/t in the raw ore described in the present embodiment 2 after testing, copper oxide accounts for total copper weight
The 65.34% of amount；It is 20.12% through copper grade in the obtained copper rough concentrate of the present invention, lead grade 5.13%, copper recovery 64.23%,
Lead grade 47.21%, copper grade 1.78%, lead recovery 78.23% in lead rough concentrate.
Reference examples 3
Selected-Cu-Pb separation technique, high mud oxygen same to example 2 are mixed using traditional sulphur oxygen copper-lead bulk flotation-copper-lead
Change after 1500 g ton raw ore of lime, 1500 g ton raw ore of vulcanized sodium is added in copper-lead raw ore, passes through the levigate obtained matter of ball mill
150 g ton raw ore of butyl xanthate, the stirring of 60 g ton raw ore of -112 stoste of ester is added in the ore pulp for measuring a concentration of 30% in ore pulp
Copper, lead minerals mixing roughing are carried out after 2min, obtain copper-lead mixed crude concentrate, hexa metaphosphoric acid is added in copper-lead mixed crude concentrate
300 g ton raw ore of sodium, 40 g ton raw ore of butyl xanthate are selected by the mixing of copper-lead three times, Copper-lead mixed concentrate are obtained, in copper
300 g ton of vulcanized sodium, 200 g ton of activated carbon stirring 5min are added in lead bulk concentrate, it is former to add 100 g ton of vulcanized sodium
Mine, 300 g ton of sodium pyrosulfite, 400 g ton of zinc sulfate stir 3min, and 5 g ton of Z-200 stostes is then added and stirs 2min
Cu-Pb separation is carried out, copper concentrate and lead concentrate are obtained.
The copper grade described in this reference examples 3 is 1.44%, lead grade 2.56g/t after testing, copper oxide accounts for total weight of copper
65.34%；Obtain Copper in Concentrate grade 19.34%, lead grade 17.24%, copper recovery 28.23%, copper grade in lead concentrate
8.94%, lead grade 36.57%, lead recovery 42.12%.Compared with Example 2, copper, lead recovery are equal in copper concentrate, lead concentrate
It is relatively low, and mutually containing higher, sludge amount is larger in floatation process, influences lead concentrate grade for copper, lead in concentrate.
Reference examples 4
Using copper-lead successively controling differential flotation process for copper, lime 2000 is added in the same high mud oxidation copper-lead raw ore of case of comparative examples 2
After g ton raw ore, 1500 g ton raw ore of vulcanized sodium, the ore pulp for being 30% by the levigate obtained mass concentration of ball mill, in ore pulp
Middle 1500 g ton raw ore of addition zinc sulfate, 2000 g ton raw ore of sodium pyrosulfite stir 3 minutes, and Z-200 stostes are then added
60 g ton raw ores carry out copper roughing operation after stirring 2min, copper rough concentrate are obtained, through 3 selected acquisition copper concentrates, copper roughing tail
Be added in mine ethyl xanthate 80 g ton raw ore, 80 g ton raw ore of diethyldithiocarbamate, 30 g ton raw ore of terpenic oil stir 2 minutes it is laggard
Quadrat roughing operation obtains lead rough concentrate and selected obtains lead concentrate through 2 times.
The raw ore copper grade described in this reference examples 4 is 1.44%, lead grade 2.56g/t after testing, copper oxide accounts for total weight of copper
65.34%；Obtain Copper in Concentrate grade 23.45%, lead grade 12.38%, copper recovery 32.58%, copper grade in lead concentrate
5.27%, lead grade 41.65%, lead recovery 50.45%.Compared with Example 1, copper, lead recovery are equal in copper concentrate, lead concentrate
It is relatively low, and copper, lead are mutually containing higher in concentrate, ore dressing return water drastically deteriorates using rear flotation environment, metal in copper concentrate, lead concentrate
Mutually containing increasing, cause product quality unqualified.
Claims (1)
1. a kind of high mud aoxidizes copper-lead polymetallic ore method for separating, described method includes following steps：
Flotation pulp prepares and copper-lead mixing roughing：
Lime, vulcanized sodium are added into raw ore, lime adding amount is 500 g ton raw ores, and vulcanized sodium addition is 1000 g tons
Raw ore；
It is blended with lime, the tcrude ore of vulcanized sodium and homogenous quantities water and is sent into ball mill grinding, be ground to -0.074mm grades and account for
The 75% ~ 80% of wholegrain grade；
The moisturizing into ground ore pulp, until ore pulp mass concentration is 30% ~ 33%；
Butyl xanthate, -112 stoste of ester are added in the ore pulp prepared, butyl xanthate addition is 100 ~ 150 g ton raw ores,
- 112 stoste addition of ester is 50 ~ 60 g ton raw ores；
Copper, lead minerals mixing roughing are carried out after stirring 2min, obtains copper-lead mixed crude concentrate；
Copper mineral and lead minerals separating flotation：
Lime, vulcanized sodium are added into copper-lead mixed crude concentrate, lime adding amount is 1500 ~ 2000 g ton raw ores, and vulcanized sodium adds
It is 100 ~ 150 g ton raw ores to enter amount；
Vulcanized sodium, sodium pyrosulfite is added in stirring after five minutes, and vulcanized sodium addition is 50 ~ 100 g ton raw ores, sodium pyrosulfite
Addition is 200 ~ 300 g ton raw ores；
Ethyl ammonia sulfate is added in stirring after 3 minutes, the addition of ethyl ammonia sulfate is 5 ~ 10 g ton raw ores；
Stirring carries out copper, lead minerals separating flotation operation after 2 minutes, obtains copper rough concentrate and lead rough concentrate；
Lead rough concentrate is selected：
Calgon is added into lead rough concentrate, calgon addition is 200 ~ 300 g ton raw ores；
Butyl xanthate is added for 3 minutes in stirring, and butyl xanthate addition is 40 ~ 60 g ton raw ores；
Stirring carries out lead minerals flotation in 2 minutes, obtains lead concentrate, selects lead tailing to return to copper-lead mixing and scans operation；
" g ton raw ore " refers to the grams that medicament is added in raw ore per ton in aforesaid operations.
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| CN106824545A (en) * | 2017-02-17 | 2017-06-13 | 湖南有色金属研究院 | A kind of method that amino acid promotes cupric oxide ore sulfide flotation |
| CN107520065B (en) * | 2017-08-30 | 2019-08-16 | 厦门紫金矿冶技术有限公司 | A kind of high sulfur type Cu-Pb seperation copper-lead Part-bulk flotation method |
| CN109174461A (en) * | 2018-10-26 | 2019-01-11 | 中国地质科学院郑州矿产综合利用研究所 | Flotation separation method for copper-lead sulfide ore |
| CN112337652B (en) * | 2020-10-19 | 2022-06-03 | 沈阳有色金属研究院有限公司 | Collecting agent for flotation of copper sulfide from copper oxide ore and application |
| CN112619878B (en) * | 2020-11-10 | 2023-01-03 | 西北矿冶研究院 | Comprehensive recovery process for iron symbiotic nonferrous metal copper, lead and zinc |
| CN112619904B (en) * | 2020-11-10 | 2022-04-29 | 西北矿冶研究院 | Method for reducing impurities in copper concentrate obtained by copper-zinc-iron separation |
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