CN110064511B - Method for controlling oxidation-flotation recovery of sphalerite - Google Patents
Method for controlling oxidation-flotation recovery of sphalerite Download PDFInfo
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- CN110064511B CN110064511B CN201910292359.3A CN201910292359A CN110064511B CN 110064511 B CN110064511 B CN 110064511B CN 201910292359 A CN201910292359 A CN 201910292359A CN 110064511 B CN110064511 B CN 110064511B
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- 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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- 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
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/002—Inorganic compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/004—Organic compounds
- B03D1/008—Organic compounds containing oxygen
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/004—Organic compounds
- B03D1/012—Organic compounds containing sulfur
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/004—Organic compounds
- B03D1/016—Macromolecular compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2201/00—Specified effects produced by the flotation agents
- B03D2201/007—Modifying reagents for adjusting pH or conductivity
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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
- B03D2201/00—Specified effects produced by the flotation agents
- B03D2201/02—Collectors
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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
- B03D2201/00—Specified effects produced by the flotation agents
- B03D2201/04—Frothers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2203/00—Specified materials treated by the flotation agents; specified applications
- B03D2203/02—Ores
- B03D2203/04—Non-sulfide ores
Abstract
A method for controlling oxidation-flotation recovery of sphalerite comprises the following steps: (1) crushing zinc blende ore, mixing with water, placing in a ball mill, and adding a regulator, an activator and a collecting agent; the ball mill is sealed and then is filled with nitrogen to discharge air; (2) starting the ball mill, introducing mixed gas for 2-5 min, introducing nitrogen until ball milling is finished, and discharging ore pulp; (3) adding a regulator, an activating agent, a collecting agent and a foaming agent into the ore pulp, and performing rough flotation; and carrying out secondary concentration on the rough concentration concentrate, and carrying out tertiary scavenging on the rough concentration tailings. The method can produce higher-quality zinc concentrate products, the flotation recovery rate of the zinc concentrate can be improved by more than 10 percent, and the high-efficiency utilization of zinc resources is realized.
Description
Technical Field
The invention relates to the technical field of mineral processing engineering, in particular to a method for controlling oxidation-flotation recovery of sphalerite.
Background
Zinc is one of the most common non-ferrous metals in nature, and its greatest use is in the galvanizing industry; the alloy formed by zinc and different elements plays an important role in the fields of ferrous metallurgy, mechanical and chemical engineering, battery manufacturing, national defense and military, biological medicine and the like; meanwhile, as one of trace elements necessary for human development, zinc element plays an irreplaceable role in important physiological processes such as reproductive heredity, immune system and the like; the zinc resource is a high-quality mineral resource in China, the reserve of the zinc resource in China is 3300 million tons, accounts for 15 percent of the world zinc resource, and occupies the second place of the world reserve; although the zinc resource reserves in China are rich, the resource guarantee degree is not high, and the external dependence degree rises year by year along with the development of national economy; the zinc blende is a zinc mineral with the widest distribution, has more symbiotic components, and is associated with most mineral deposits of noble metals or rare metal elements such as Cu, Au, Ag, Sn, Mo, Mn, Cd and the like, so the zinc blende has extremely high economic benefit and utilization value.
The combined process of grinding and flotation is always the most effective means for classifying the zinc blende which is recognized; however, in the grinding-flotation process, a complex physical, chemical and physical-chemical system can be formed among minerals, grinding media and agents, and different types of reactions can occur, so that the chemical properties of ore pulp and the surface properties of zinc blende are changed, and the interaction of the flotation agents on the surfaces of the minerals is further influenced; researches show that the moderate oxidation of the surfaces of the zinc blende can expose more metal-deficient sulfur-rich surfaces, which is beneficial to the adsorption of a collecting agent, thereby improving the flotation recovery of the zinc blende; however, at present, the zinc blende is separated by adopting a conventional ore grinding-flotation process, and the oxidation-reduction reaction of the zinc blende in the ore grinding process is too strong, so that the surface of an ore grinding product is uneven, a large amount of floccules are generated, the hydrophilicity of the zinc blende is enhanced, the interaction of a flotation agent on the surface is weakened, the flotation recovery rate is low, and great resource waste is caused.
Therefore, the optimization of the zinc blende grinding method and the reagent adding mode, and further the improvement of the zinc blende flotation recovery have important significance.
Disclosure of Invention
The invention aims to provide a method for controlling oxidation-flotation recovery of zinc blende, which adjusts the oxidation degree of the surface of a mineral by inflating a closed ball mill, enhances the action of a medicament on the surface of the mineral by changing the adding position of the medicament, and improves the flotation recovery rate of zinc by matching with a flotation process on the premise of ensuring the quality of a zinc concentrate product.
The method of the invention is carried out according to the following steps:
1. crushing the sphalerite until the particle size is less than or equal to 3mm, mixing the sphalerite with water, placing the mixture in a ball mill, and adding a regulator, an activator and a collecting agent; sealing the ball mill, and then filling nitrogen to discharge the air in the ball mill; the regulator is calcium oxide or calcium hydroxide, the activator is copper sulfate, and the collector is xanthate;
2. starting the ball mill, introducing mixed gas into the ball mill and keeping the mixed gas circulating, stopping introducing the mixed gas after continuing for 2-5 min, introducing nitrogen into the ball mill and keeping the mixed gas circulating until the ball milling is finished, and discharging ore pulp from the ball mill; the part of the sphalerite powder with the particle size of less than or equal to 0.074mm in the ore pulp accounts for 85-95% of the total mass of all the sphalerite powder; the mixed gas is a mixed gas of nitrogen and air;
3. adding a regulator into the ore pulp, adding an activating agent, a collecting agent and a foaming agent, and finally performing rough flotation to obtain rough concentrate and rough tailings; the regulator is calcium oxide or calcium hydroxide, the activator is copper sulfate, the collector is xanthate, and the foaming agent is ether alcohol or No. 2 oil; performing primary concentration and secondary concentration on the rough concentrate, wherein the concentrate subjected to secondary concentration is used as zinc concentrate; returning the tailings subjected to the primary concentration and the secondary concentration to the previous flotation stage; and carrying out primary scavenging, secondary scavenging and tertiary scavenging on the roughed tailings, returning the concentrate scavenged each time to the previous stage, and taking the tailings scavenged for the third time as the total tailings.
In the step 1, the mixing ratio of the sphalerite to the water is 1:1 to 7:3 by mass.
In the step 1, the xanthate is butyl xanthate or amyl xanthate, and the addition amount of the xanthate is 30-80 g per ton of zinc blende ore; adding 500-1000 g of the regulator into each ton of zinc blende ore; the addition amount of the activating agent is 100-200 g per ton of zinc blende ore.
In the step 1, the nitrogen is filled for 1-3 min.
In the step 2, the volume percentage of the nitrogen in the mixed gas is 85-95%.
In the step 2, the mixed gas is obtained by uniformly mixing nitrogen and air in a gas mixing cylinder.
In the step 3, the adding amount of the regulator in the ore pulp is 500-1000 g per ton of zinc blende ore; the addition amount of the activating agent is 100-200 g per ton of zinc blende ore; the xanthate is butyl xanthate or amyl xanthate, and the addition amount of the xanthate is 30-80 g per ton of zinc blende ore; the addition amount of the foaming agent is 20-30 g per ton of zinc blende ore.
In the step 3, the regulator is added and then stirred for 1-2 min, the activating agent is added and stirred for 2-3 min, then the collecting agent is added and stirred for 2-3 min, and finally the foaming agent is added and stirred for 1-2 min.
In the step 3, adding a collecting agent xanthate into the primary scavenging tailings obtained by primary scavenging, wherein the xanthate is butyl xanthate or amyl xanthate, the adding amount of the xanthate is 20-40 g per ton of the primary scavenging tailings, and then performing secondary scavenging; adding a collecting agent xanthate into the secondary scavenged tailings obtained by secondary scavenging, wherein the xanthate is butyl xanthate or amyl xanthate, the adding amount of the xanthate is 10-20 g per ton of the secondary scavenged tailings, and then carrying out tertiary scavenging.
The zinc blende ore contains 0.5-10% of Zn by mass percent.
The ball mill is an inflatable closed ball mill and comprises a horizontal ball mill and a vertical stirring mill.
The purity of the nitrogen in the method is more than or equal to 99.9 percent.
In the method, the roughing time is 1-3 min, each time of fine selection is 2-4 min, and each time of roughing is 1-3 min.
In the method, the Zn content of the zinc concentrate is more than or equal to 50 percent by mass percent.
In the method, the recovery rate of zinc is more than or equal to 83 percent.
In the method, the agents such as the regulator and the like are added before the ore pulp is formed, so that the agents can fully act on the surface of the mineral, and the mixed gas of nitrogen and air is introduced to strictly regulate and control the surface oxidation degree of the zinc ore in the ore grinding process, so that the action of the agents on the surface of the zinc ore is enhanced; by adopting the method for sorting the zinc blende ore, zinc concentrate products with higher quality can be produced, the flotation recovery rate of the zinc concentrate can be improved by more than 10 percent, and the high-efficiency utilization of zinc resources is realized.
Drawings
FIG. 1 is a schematic flow diagram of a process for controlled oxidation-flotation recovery of sphalerite in an embodiment of the present invention.
Detailed Description
The ball mill adopted in the embodiment of the invention is a JM-2L type inflatable stirring ball mill (Changsha Tianchu powder technology Co., Ltd.).
The zinc blende adopted in the embodiment of the invention is lead-zinc ore of Jiangxi silver mountain ore or certain zinc blende in Guangdong.
The butyl xanthate and the amyl xanthate adopted in the embodiment of the invention are commercially available products.
The calcium oxide and calcium hydroxide used in the examples of the present invention are commercially available products.
The ether alcohol and the No. 2 oil used in the examples of the present invention are commercially available products.
The ether alcohol adopted in the embodiment of the invention is isomeric fatty alcohol-polyoxyethylene ether.
The heterogeneous fatty alcohol polyoxyethylene ether in the embodiment of the invention is heterogeneous lauryl polyoxyethylene ether, heterogeneous undecyl polyoxyethylene ether or heterogeneous tridecyl alcohol polyoxyethylene ether.
The copper sulfate used in the examples of the present invention is a commercially available product.
In the embodiment of the invention, the unit flow rate when the nitrogen and the mixed gas are filled is 300-800 mL/min.
The gas mixing cylinder in the embodiment of the present invention is an XB-5L type gas mixing cylinder (Shenyang Xinbo Industrial science, Ltd.).
In the embodiment of the invention, the pH value of the ore pulp after the regulator is added is 5-8.
The ball milling time in the embodiment of the invention is at least 8.5 min.
The purity of the nitrogen adopted in the embodiment of the invention is more than or equal to 99.9 percent.
Example 1
The flow is shown in figure 1;
crushing the sphalerite until the particle size is less than or equal to 3mm, mixing the sphalerite with water, placing the mixture in a ball mill, and adding a regulator, an activator and a collecting agent; sealing the ball mill, and then filling nitrogen to discharge air in the ball mill for 1 min; the regulator is calcium hydroxide, the activator is copper sulfate, and the collector is butyl xanthate; the zinc blende ore contains Zn 2.2 percent by mass; the mixing ratio of the zinc blende to water is 1: 1; adding 30g of collecting agent per ton of zinc blende ore; the adding amount of the regulator is 500g per ton of zinc blende ore; the addition amount of the activating agent is 100g per ton of zinc blende ore;
starting the ball mill, introducing mixed gas into the ball mill and keeping the mixed gas circulating, stopping introducing the mixed gas after continuing for 2min, introducing nitrogen into the ball mill and keeping the mixed gas circulating until the ball milling is finished, and discharging ore pulp from the ball mill; the part of the sphalerite powder with the grain diameter less than or equal to 0.074mm in the ore pulp accounts for 95 percent of the total mass of all the sphalerite powder; the mixed gas is a mixed gas of nitrogen and air; the volume percentage of nitrogen in the mixed gas is 85 percent;
adding a regulator into the ore pulp, adding an activating agent, a collecting agent and a foaming agent, and finally performing rough flotation to obtain rough concentrate and rough tailings; the regulator is calcium hydroxide, the activator is copper sulfate, the collector is xanthate, and the foaming agent is No. 2 oil; the adding amount of the regulator is 500g per ton of zinc blende ore; the addition amount of the activating agent is 100g per ton of zinc blende ore; the xanthate is butyl xanthate, and the addition amount of the xanthate is 30g per ton of zinc blende ore; the addition amount of the foaming agent is 20g per ton of zinc blende ore; adding a regulator, stirring for 1-2 min, adding an activating agent, stirring for 2-3 min, adding a collecting agent, stirring for 2-3 min, adding a foaming agent, and stirring for 1-2 min;
performing primary concentration and secondary concentration on the rough concentrate, wherein the concentrate subjected to secondary concentration is used as zinc concentrate; returning the tailings subjected to the primary concentration and the secondary concentration to the previous flotation stage; carrying out primary scavenging, secondary scavenging and tertiary scavenging on the roughed tailings, returning the concentrate scavenged each time to the previous stage, and taking the tailings scavenged for the third time as total tailings; adding a collecting agent butyl xanthate into the primary scavenging tailings obtained by primary scavenging, wherein the addition amount of the collecting agent butyl xanthate is 20g per ton of the primary scavenging tailings, and then carrying out secondary scavenging; adding a collecting agent butyl xanthate into the secondary scavenged tailings obtained by secondary scavenging, wherein the addition amount of the butyl xanthate is 10g per ton of the secondary scavenged tailings, and then carrying out tertiary scavenging;
the roughing time is 1-3 min, each time of fine selection is 2-4 min, and each time of roughing is 1-3 min;
the zinc concentrate contains Zn 51.02 percent by mass; the recovery rate of zinc is 83.09%;
compared with the same zinc blende (the zinc content in the concentrate is 44.78 percent and the zinc recovery rate is 71.56 percent) processed by the existing zinc blende ore flotation technology, the zinc content in the zinc concentrate is improved by 6.24 percent and the recovery rate is improved by 11.53 percent.
Example 2
The method is the same as example 1, except that:
(1) the nitrogen gas is filled for 2 min; the regulator is calcium oxide, and the addition amount is 800g per ton of zinc blende ore; the activating agent is copper sulfate, and the addition amount is 150g per ton of zinc blende ore; the collecting agent is amyl xanthate, and the adding amount of the collecting agent is 50g per ton of zinc blende ore; the zinc blende ore contains 0.8 percent of Zn by mass percent; the mixing ratio of the zinc blende to water is 5: 3;
(2) introducing mixed gas for 3 min; the part of the sphalerite powder with the grain diameter less than or equal to 0.074mm in the ore pulp accounts for 90 percent of the total mass of all the sphalerite powder; the volume percentage of nitrogen in the mixed gas is 90 percent;
(3) the regulator is calcium oxide, and the addition amount is 800g per ton of zinc blende ore; the activating agent is copper sulfate, and the addition amount is 150g per ton of zinc blende ore; the collecting agent is amyl xanthate, and the adding amount of the collecting agent is 50g per ton of zinc blende ore; the foaming agent is ether alcohol, and the addition amount is 25g per ton of zinc blende ore;
(4) in the first scavenging tailings, 30g of collecting agent amyl xanthate is added into each ton of the first scavenging tailings; in the secondary scavenging tailings, 15g of collecting agent amyl xanthate is added into each ton of secondary scavenging tailings;
(5) the zinc concentrate contains 50.46 percent of Zn by mass percent; the recovery rate of zinc is 86.04%;
compared with the same zinc blende (the zinc concentrate contains 45.23% of zinc and the zinc recovery rate is 73.55%) treated by the existing zinc blende ore floatation technology, the zinc content of the zinc concentrate is improved by 6.24% and the recovery rate is improved by 11.53%.
Example 2
The method is the same as example 1, except that:
(1) the nitrogen is filled for 3 min; the regulator is calcium oxide, and the addition amount is 1000g per ton of zinc blende ore; the activating agent is copper sulfate, and the adding amount is 200g per ton of zinc blende ore; the collecting agent is amyl xanthate, and the adding amount of the collecting agent is 80g per ton of zinc blende ore; the zinc blende ore contains Zn 7.9 percent by mass; the mixing ratio of the zinc blende to water is 7: 3;
(2) introducing mixed gas for 5 min; the part of the sphalerite powder with the grain diameter less than or equal to 0.074mm in the ore pulp accounts for 85 percent of the total mass of all the sphalerite powder; the volume percentage of nitrogen in the mixed gas is 95 percent;
(3) the regulator is calcium oxide, and the addition amount is 1000g per ton of zinc blende ore; the activating agent is copper sulfate, and the adding amount is 200g per ton of zinc blende ore; the collecting agent is amyl xanthate, and the adding amount of the collecting agent is 80g per ton of zinc blende ore; the foaming agent is ether alcohol, and the addition amount of the ether alcohol is 30g per ton of zinc blende ore;
(4) in the first scavenging tailings, 40g of collecting agent amyl xanthate is added into each ton of the first scavenging tailings; in the secondary scavenging tailings, 20g of collecting agent amyl xanthate is added into each ton of secondary scavenging tailings;
(5) the zinc concentrate contains 52.66 percent of Zn according to the mass percentage; the recovery rate of zinc is 84.39%.
The above description is only a preferred embodiment of the present invention, and the scope of the present invention should not be limited thereby, and all the simple equivalent changes and modifications made in the claims and the description of the present invention are within the scope of the present invention.
Claims (1)
1. A method for controlling oxidation-flotation recovery of sphalerite is characterized by comprising the following steps:
(1) crushing the sphalerite until the particle size is less than or equal to 3mm, mixing the sphalerite with water in a ball mill, adding a regulator, an activator and a collecting agent, wherein the mixing ratio of the sphalerite to the water is sphalerite to water =1: 1-7: 3; sealing the ball mill, and then filling nitrogen to discharge the air in the ball mill; the regulator is calcium oxide or calcium hydroxide, and the addition amount of the regulator is 500-1000 g per ton of zinc blende ore; the activating agent is copper sulfate, and the adding amount is 100-200 g per ton of zinc blende ore; the collecting agent is amyl xanthate, and the adding amount of the collecting agent is 30-80 g per ton of zinc blende ore; the zinc blende ore contains 0.5-10% of Zn by mass percent;
(2) starting the ball mill, introducing mixed gas into the ball mill and keeping the mixed gas circulating, stopping introducing the mixed gas after continuing for 2-5 min, introducing nitrogen into the ball mill and keeping the mixed gas circulating until the ball milling is finished, and discharging ore pulp from the ball mill; the part of the sphalerite powder with the particle size of less than or equal to 0.074mm in the ore pulp accounts for 85-95% of the total mass of all the sphalerite powder; the mixed gas is a mixed gas of nitrogen and air; the volume percentage of nitrogen in the mixed gas is 85-95%;
(3) adding a regulator into the ore pulp, adding an activating agent, a collecting agent and a foaming agent, and finally performing rough flotation to obtain rough concentrate and rough tailings; the regulator is calcium oxide or calcium hydroxide, and the addition amount of the regulator is 500-1000 g per ton of zinc blende ore; the activating agent is copper sulfate, and the adding amount is 100-200 g per ton of zinc blende ore; the collecting agent is amyl xanthate, and the adding amount of the collecting agent is 30-80 g per ton of zinc blende ore; the foaming agent is ether alcohol or No. 2 oil, and the addition amount is 20-30 g per ton of zinc blende ore; performing primary concentration and secondary concentration on the rough concentrate, wherein the concentrate subjected to secondary concentration is used as zinc concentrate; returning the tailings subjected to the primary concentration and the secondary concentration to the previous flotation stage; carrying out primary scavenging, secondary scavenging and tertiary scavenging on the roughed tailings, returning the concentrate scavenged each time to the previous stage, and taking the tailings scavenged for the third time as total tailings; adding a collecting agent, namely amyl xanthate, into the primary scavenged tailings obtained by primary scavenging, adding 20-40 g of collecting agent into each ton of primary scavenged tailings, and then performing secondary scavenging; adding a collecting agent, namely amyl xanthate, into the secondary scavenged tailings obtained by secondary scavenging, adding 10-20 g of collecting agent into each ton of secondary scavenged tailings, and then carrying out tertiary scavenging; the zinc concentrate contains 50.46 to 52.66 percent of Zn according to the mass percentage; the recovery rate of zinc is 84.39-86.04%.
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1513629A (en) * | 2003-08-18 | 2004-07-21 | 昆明理工大学 | Manufacturing method for scale shaped metal powder |
| CN101172267A (en) * | 2007-12-03 | 2008-05-07 | 西部矿业股份有限公司 | Technique for improving complex vulcanizing copper mine ore floatation indicators |
| CN101362114A (en) * | 2007-08-09 | 2009-02-11 | 江西铜业集团公司 | Addition technique of collecting agent |
| RU2542072C1 (en) * | 2013-09-23 | 2015-02-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Национальный минерально-сырьевой университет "Горный" | Method for improvement of surface behaviour contrast for gold ore sulphide minerals |
| CN105435966A (en) * | 2015-11-18 | 2016-03-30 | 西北矿冶研究院 | Beneficiation method for copper sulfide ore containing easily-argillized gangue mineral |
| CN106391325A (en) * | 2016-09-23 | 2017-02-15 | 昆明理工大学 | Direct flotation method of zinc sulfide ore |
| CN107252731A (en) * | 2017-07-28 | 2017-10-17 | 西部矿业股份有限公司 | One kind contains marmatite, magnetic iron ore fine grain teeth cloth type lead zinc sulphur ore beneficiation method |
| CN108336345A (en) * | 2018-02-07 | 2018-07-27 | 中南大学 | A kind of preparation method of nano-micro structure silicium cathode material |
-
2019
- 2019-04-12 CN CN201910292359.3A patent/CN110064511B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1513629A (en) * | 2003-08-18 | 2004-07-21 | 昆明理工大学 | Manufacturing method for scale shaped metal powder |
| CN101362114A (en) * | 2007-08-09 | 2009-02-11 | 江西铜业集团公司 | Addition technique of collecting agent |
| CN101172267A (en) * | 2007-12-03 | 2008-05-07 | 西部矿业股份有限公司 | Technique for improving complex vulcanizing copper mine ore floatation indicators |
| RU2542072C1 (en) * | 2013-09-23 | 2015-02-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Национальный минерально-сырьевой университет "Горный" | Method for improvement of surface behaviour contrast for gold ore sulphide minerals |
| CN105435966A (en) * | 2015-11-18 | 2016-03-30 | 西北矿冶研究院 | Beneficiation method for copper sulfide ore containing easily-argillized gangue mineral |
| CN106391325A (en) * | 2016-09-23 | 2017-02-15 | 昆明理工大学 | Direct flotation method of zinc sulfide ore |
| CN107252731A (en) * | 2017-07-28 | 2017-10-17 | 西部矿业股份有限公司 | One kind contains marmatite, magnetic iron ore fine grain teeth cloth type lead zinc sulphur ore beneficiation method |
| CN108336345A (en) * | 2018-02-07 | 2018-07-27 | 中南大学 | A kind of preparation method of nano-micro structure silicium cathode material |
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