CN111530639B - Micro-fine particle zinc oxide ore copper ammonia complex gradient activation-enhanced vulcanization flotation method - Google Patents
Micro-fine particle zinc oxide ore copper ammonia complex gradient activation-enhanced vulcanization flotation method Download PDFInfo
- Publication number
- CN111530639B CN111530639B CN202010385428.8A CN202010385428A CN111530639B CN 111530639 B CN111530639 B CN 111530639B CN 202010385428 A CN202010385428 A CN 202010385428A CN 111530639 B CN111530639 B CN 111530639B
- Authority
- CN
- China
- Prior art keywords
- ammonia complex
- combined
- zinc oxide
- copper ammonia
- primary
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
- B03D1/02—Froth-flotation processes
- B03D1/025—Froth-flotation processes adapted for the flotation of fines
-
- 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
-
- 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
- B03B1/04—Conditioning for facilitating separation by altering physical properties of the matter to be treated by additives
-
- 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
-
- 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
-
- 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
-
- 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
The invention discloses a copper ammonia complex cascade activation-intensified vulcanization flotation method for micro-fine particle zinc oxide ores, and belongs to the technical field of mineral processing. Aiming at the problems of poor vulcanizing effect, difficult stable adsorption of a collecting agent, unsatisfactory floatation index and the like existing in a direct vulcanizing floatation method, zinc oxide ore is crushed and ground to be 75-90% in mass percentage of-38 mu m size fraction, a combined regulator is added into ore pulp to control slime, then a novel activating agent copper-ammonia complex is added for primary activation, a combined vulcanizing agent is added after activation for surface reinforced vulcanization, a copper-ammonia complex is added into the ore pulp after reinforced vulcanization for secondary activation, and finally a combined collecting agent and a foaming agent are sequentially added for floatation recovery of zinc minerals in the ore. The copper-ammonia complex is used for carrying out step activation before and after the zinc oxide mineral in the ore is vulcanized, so that the number of reaction particles on the surface of the mineral is increased, the reaction activity of the mineral is enhanced, and the reinforced vulcanization and the surface hydrophobicity reinforcement of the zinc oxide mineral in the ore are realized.
Description
Technical Field
The invention relates to a copper ammonia complex cascade activation-intensified vulcanization flotation method for micro-fine particle zinc oxide ores, belonging to the technical field of mineral processing.
Background
Zinc is an important nonferrous metal, and the position of zinc in national economic construction is increasingly important. For a long time, zinc smelting uses zinc sulfide minerals as raw materials, however, with the continuous consumption of limited zinc sulfide resources, the existing zinc sulfide minerals cannot meet the increasing zinc demand, so in order to ensure the retention of zinc metal and reduce the external dependence, the efficient development and utilization of zinc oxide ore will become an important way for supplementing the supply of zinc metal.
The zinc oxide ore is an important zinc ore resource in China, is rich in reserves, but has the characteristics of poor quality, fineness, impurities, serious argillization and the like, and the ore contains a large amount of soluble salts; compared with zinc sulfide minerals, zinc oxide minerals have higher solubility and surface hydrophilicity, so that a large amount of zinc oxide resources are not fully developed and utilized. Currently, flotation and hydrometallurgy are the primary methods of treating zinc oxide ores. However, under the technical and economic constraints, the complex and difficult-to-treat zinc oxide ores cannot be directly extracted by a metallurgical method, and the flotation method is the main method for enriching the minerals. The sulfidation flotation method is a common and economical pretreatment technology for zinc oxide ores, and is divided into a sulfidation-amine flotation method and a sulfidation-xanthate flotation method according to different collectors. At present, a better flotation index can be obtained when a 'sulfide-amine flotation method' is adopted to treat zinc oxide ore, but the process is very easily influenced by inevitable slime in ore pulp, so that the production cannot be normally carried out; although the prior desliming can improve the flotation process and technical indexes, the zinc oxide mineral in the deslimed slime cannot be recovered, so that the zinc metal loss is serious. Compared with a sulfurization-amine flotation method and a sulfurization-xanthate flotation method, the sulfurization-xanthate flotation method is slightly influenced by slime. Therefore, the intensive research of the 'sulfurization-xanthate flotation method' can solve the 'bottleneck' problem encountered in the industrial production of the zinc oxide ore.
The sulfuration is a key link of a sulfuration-xanthate flotation method, but the conventional sulfuration method has the defects of low sulfuration efficiency, easy falling of sulfuration products in the stirring process, easy decay in an aerobic system and the like. The invention patent with application number 201610557310.2 provides a beneficiation method for zinc oxide ores, the method comprises the steps of crushing and grinding the zinc oxide ores until the content of ore powder with the particle size of-74 mu m accounts for 75-90 wt%, and the chlorine-ammonia activating agent is adopted to perform intensified sulfidation flotation on the zinc oxide ores, so that the recovery rate of zinc is improved by 8-10%, but the method cannot guarantee effective recovery of zinc oxide ores with the particle size of-38 mu m. The invention patent with application number 201610557346.0 provides a beneficiation method for low-grade argillaceous zinc oxide ore, the method is used for classifying ore grinding products into fine materials with the particle size of-20 microns and coarse materials with the particle size of +20 microns, ammonium-amine enhanced vulcanization-xanthate flotation is adopted for fine particle portions with the particle size of-20 microns, vulcanization-amine flotation is adopted for coarse particle portions with the particle size of +20 microns, the comprehensive recovery rate is 74.16-78.11%, however, the method does not clearly show flotation indexes of the fine zinc oxide ore with the particle size of-20 microns, and a considerable part of zinc minerals are still lost in tailings.
The current sulfidation flotation technology still cannot solve the problem of high-efficiency recovery of zinc in the micro-fine particle zinc oxide resource, so that a large amount of zinc oxide mineral resources cannot be developed and utilized.
Disclosure of Invention
The invention provides a copper ammonia complex step activation-intensified vulcanization flotation method of micro-fine particle zinc oxide ore, aiming at the problems of poor vulcanization effect, difficult stable adsorption of a collecting agent, unsatisfactory flotation index and the like existing in a direct vulcanization flotation method.
The invention carries out step activation before and after the zinc oxide mineral in the ore is vulcanized through the copper-ammonia complex, thereby not only increasing the number of reaction particles on the surface of the mineral, but also enhancing the reaction activity of the mineral, and realizing the reinforced vulcanization and the surface hydrophobicity reinforcement of the zinc oxide mineral in the ore; meanwhile, the combined flotation reagent is adopted, the zinc oxide minerals are subjected to the co-vulcanization flotation, the gangue minerals are inhibited in a co-operative mode, the flotation recovery rate of the zinc minerals is greatly improved, and the technical problem that the micro-fine zinc oxide minerals are difficult to recover is solved economically and efficiently.
A copper ammonia complex gradient activation-intensified vulcanization flotation method for micro-fine particle zinc oxide ore comprises the following specific steps:
(1) crushing and grinding zinc oxide ore until the mass percentage of-38 mu m particle size accounts for 75-90%, and mixing the pulp until the mass percentage concentration of the pulp is 25-40%;
(2) sequentially adding a combined regulator, a copper-ammonia complex I, a combined vulcanizing agent, a copper-ammonia complex II, a combined collecting agent and a foaming agent into the ore pulp obtained in the step (1), and performing primary roughing operation to obtain primary roughed concentrate and primary roughed tailings;
(3) sequentially adding a combined regulator, a copper-ammonia complex I, a combined vulcanizing agent, a copper-ammonia complex II, a combined collecting agent and a foaming agent into the primary roughed tailings in the step (2), and performing secondary rougher operation to obtain secondary roughed concentrate and secondary roughed tailings;
(4) sequentially adding a combined regulator, a copper-ammonia complex I, a combined vulcanizing agent, a copper-ammonia complex II, a combined collecting agent and a foaming agent into the secondary rougher tailings in the step (3), and performing primary scavenging operation to obtain primary scavenged concentrate and primary scavenged tailings; returning the primary scavenged concentrate to size mixing and merging into secondary roughing operation, adding a combined collecting agent into the primary scavenged tailings to perform secondary scavenging operation to obtain secondary scavenged concentrate and flotation tailings, and returning the secondary scavenged concentrate to size mixing and merging into the primary scavenging operation;
(5) and (3) combining the primary roughing concentrates in the step (2) and the secondary roughing concentrates in the step (3) to perform primary concentration operation to obtain primary concentrated concentrates and primary concentrated tailings, returning the primary concentrated tailings to mix pulp and merging into the primary roughing operation, performing secondary concentration operation on the primary concentrated concentrates to obtain floating zinc concentrates and secondary concentrated tailings, and returning the secondary concentrated tailings to mix pulp and merging into the primary concentration operation.
The mass percentage of zinc in the zinc oxide ore in the step (1) is 8.0-20.5%.
The adding amount of the roughing medicament in the ore pulp in the step (2) is 1000-1500 g of combined regulator, 400-800 g of copper ammonia complex I, 3000-8000 g of combined vulcanizing agent, 200-500 g of copper ammonia complex II, 400-800 g of combined collector and 40-80 g of foaming agent per ton of zinc oxide ore.
The adding amount of the roughing medicament in the primary roughing tailings in the step (3) is 500-750 g of combined regulator, 200-400 g of copper ammonia complex I, 1500-4000 g of combined vulcanizing agent, 100-250 g of copper ammonia complex II, 200-400 g of combined collector and 20-40 g of foaming agent.
The adding amount of scavenging agents in the secondary rougher tailings in the step (4) is 250-375 g of combined regulator, 100-200 g of copper-ammonia complex I, 750-2000 g of combined vulcanizing agent, 50-125 g of copper-ammonia complex II, 100-200 g of combined collector and 10-20 g of foaming agent, calculated by each ton of zinc oxide ore; the adding amount of the combined collecting agent in the once scavenging tailings is 50-100 g.
The copper ammonia complex I and the copper ammonia complex II are the same copper ammonia complex, and the preparation method comprises the following steps:
1) stirring and leaching the high-purity copper oxide minerals by adopting strong ammonia water to obtain a copper ammonia complex solution;
2) and (3) placing the copper ammonia complex solution obtained in the step 1) in an ethanol solution for crystallization for multiple times to obtain the copper ammonia complex of the activator.
The combined regulator comprises sodium hexametaphosphate and water glass, wherein the mass ratio of the sodium hexametaphosphate to the water glass is 2: 3.
The combined vulcanizing agent comprises sodium sulfide and sodium polysulfide, wherein the mass ratio of the sodium sulfide to the sodium polysulfide is 3: 2.
The combined collecting agent comprises isoamyl xanthate, butyl xanthate and butyl ammonium black powder, wherein the mass ratio of the isoamyl xanthate to the butyl ammonium black powder is 5:3: 2.
The foaming agent is terpineol oil.
The invention has the beneficial effects that:
(1) the invention carries out step activation on the zinc oxide mineral in the ore through the copper-ammonia complex, thereby not only increasing the number of reaction particles on the surface of the mineral before vulcanization, enhancing the reaction activity of the mineral and realizing reinforced vulcanization; the reactivity of the surface of the zinc oxide mineral after vulcanization can be enhanced, the adsorption of a collecting agent is promoted, and the hydrophobicity of the surface of the mineral is improved;
(2) according to the invention, the combined regulator, the combined vulcanizing agent and the combined collecting agent are adopted, so that the synergistic vulcanization flotation of target minerals and the synergistic inhibition of gangue minerals in the micro-fine zinc oxide ore are realized, a better separation effect is obtained, the flotation flow structure is simplified, and the flotation treatment cost is reduced;
(3) the invention adopts copper ammonia complex cascade activation-intensified sulfide flotation to greatly improve the flotation recovery rate of zinc minerals, solves the technical problem that the micro-fine particle zinc oxide ore is difficult to recover in an environment-friendly, economic and efficient manner, and has remarkable economic, social and environmental benefits.
Drawings
FIG. 1 is a process flow diagram of the present invention.
Detailed Description
The present invention will be described in further detail with reference to specific examples, but the scope of the present invention is not limited to the examples.
The combined regulator in the following embodiments of the invention comprises sodium hexametaphosphate and water glass, wherein the mass ratio of the sodium hexametaphosphate to the water glass is 2: 3; the combined vulcanizing agent comprises sodium sulfide and sodium polysulfide, wherein the mass ratio of the sodium sulfide to the sodium polysulfide is 3: 2; the combined collecting agent comprises isoamyl xanthate, butyl xanthate and butyl ammonium black powder, wherein the mass ratio of the isoamyl xanthate to the butyl ammonium black powder is 5:3: 2; the foaming agents are all pine oil;
the copper ammonia complex I and the copper ammonia complex II are the same copper ammonia complex,
the preparation method of the copper ammonia complex comprises the following steps:
1) stirring and leaching the high-purity copper oxide minerals by adopting strong ammonia water to obtain a copper ammonia complex solution;
2) and (3) placing the copper ammonia complex solution obtained in the step 1) in an ethanol solution for crystallization for multiple times to obtain the copper ammonia complex of the activator.
Example 1: as shown in figure 1, a copper ammonia complex gradient activation-intensified sulfide flotation method for micro-fine zinc oxide ore comprises the following specific steps:
(1) crushing and grinding zinc oxide ore until the mass percentage of-38 mu m size fraction accounts for 75%, and mixing pulp until the mass percentage concentration of ore pulp is 40%; wherein the mass percentage content of zinc in the zinc oxide ore is 8.0 percent;
(2) sequentially adding a combined regulator (sodium hexametaphosphate and water glass), a copper ammonia complex I, a combined vulcanizing agent (sodium sulfide and sodium polysulfide), a copper ammonia complex II, a combined collecting agent (isoamyl xanthate, butyl xanthate and ammonium butyrate nigricans) and a foaming agent (pine oil) into the ore pulp obtained in the step (1), and performing primary roughing operation to obtain primary roughed concentrate and primary roughed tailings; adding 1000g of combined regulator, 400g of copper-ammonia complex I, 3000g of combined vulcanizing agent, 200g of copper-ammonia complex II, 400g of combined collector and 40g of foaming agent (pine oil) into ore pulp by per ton of zinc oxide ore;
(3) sequentially adding a combined regulator, a copper-ammonia complex I, a combined vulcanizing agent, a copper-ammonia complex II, a combined collecting agent and a foaming agent into the primary roughed tailings in the step (2), and performing secondary rougher operation to obtain secondary roughed concentrate and secondary roughed tailings; adding 500g of combined regulator, 200g of copper-ammonia complex I, 1500g of combined vulcanizing agent, 100g of copper-ammonia complex II, 200g of combined collector and 20g of foaming agent into each ton of zinc oxide ore in the primary rougher tailings;
(4) sequentially adding a combined regulator, a copper-ammonia complex I, a combined vulcanizing agent, a copper-ammonia complex II, a combined collecting agent and a foaming agent into the secondary rougher tailings in the step (3), and performing primary scavenging operation to obtain primary scavenged concentrate and primary scavenged tailings; returning the primary scavenged concentrate to size mixing and merging into secondary roughing operation, adding a combined collecting agent into the primary scavenged tailings to perform secondary scavenging operation to obtain secondary scavenged concentrate and flotation tailings, and returning the secondary scavenged concentrate to size mixing and merging into the primary scavenging operation; adding 250g of combined regulator, 100g of copper-ammonia complex I, 750g of combined vulcanizing agent, 50g of copper-ammonia complex II, 100g of combined collector and 10g of foaming agent into each ton of zinc oxide ore in the secondary roughing tailings; adding 50g of combined collecting agent into the primary scavenging tailings;
(5) merging the primary roughing concentrate in the step (2) and the secondary roughing concentrate in the step (3) to perform primary concentration operation to obtain primary concentrated concentrate and primary concentrated tailings, returning the primary concentrated tailings to size mixing and merging into the primary roughing operation, performing secondary concentration operation on the primary concentrated concentrate to obtain floating zinc concentrate and secondary concentrated tailings, returning the secondary concentrated tailings to size mixing and merging into the primary concentration operation;
the flotation recovery of zinc in this example was 84.8%.
Example 2: as shown in figure 1, a copper ammonia complex gradient activation-intensified sulfide flotation method for micro-fine zinc oxide ore comprises the following specific steps:
(1) crushing and grinding zinc oxide ore until the mass percentage of the zinc oxide ore in-38 mu m size fraction accounts for 82 percent, and mixing the zinc oxide ore and the ore pulp until the mass percentage concentration of the ore pulp is 35 percent; wherein the mass percentage content of zinc in the zinc oxide ore is 14.6 percent;
(2) sequentially adding a combined regulator (sodium hexametaphosphate and water glass), a copper ammonia complex I, a combined vulcanizing agent (sodium sulfide and sodium polysulfide), a copper ammonia complex II, a combined collecting agent (isoamyl xanthate, butyl xanthate and ammonium butyrate nigricans) and a foaming agent (pine oil) into the ore pulp obtained in the step (1), and performing primary roughing operation to obtain primary roughed concentrate and primary roughed tailings; according to each ton of zinc oxide ore, 1200g of combined regulator, 600g of copper-ammonia complex I, 6000g of combined vulcanizing agent, 300g of copper-ammonia complex II, 600g of combined collector and 60g of foaming agent (pine oil) are added into ore pulp;
(3) sequentially adding a combined regulator, a copper-ammonia complex I, a combined vulcanizing agent, a copper-ammonia complex II, a combined collecting agent and a foaming agent into the primary roughed tailings in the step (2), and performing secondary rougher operation to obtain secondary roughed concentrate and secondary roughed tailings; adding 600g of combined regulator, 300g of copper-ammonia complex I, 3000g of combined vulcanizing agent, 150g of copper-ammonia complex II, 300g of combined collector and 30g of foaming agent into each ton of zinc oxide ore in the primary rougher tailings;
(4) sequentially adding a combined regulator, a copper-ammonia complex I, a combined vulcanizing agent, a copper-ammonia complex II, a combined collecting agent and a foaming agent into the secondary rougher tailings in the step (3), and performing primary scavenging operation to obtain primary scavenged concentrate and primary scavenged tailings; returning the primary scavenged concentrate to size mixing and merging into secondary roughing operation, adding a combined collecting agent into the primary scavenged tailings to perform secondary scavenging operation to obtain secondary scavenged concentrate and flotation tailings, and returning the secondary scavenged concentrate to size mixing and merging into the primary scavenging operation; adding 300g of combined regulator, 150g of copper-ammonia complex I, 1500g of combined vulcanizing agent, 75g of copper-ammonia complex II, 150g of combined collector and 15g of foaming agent into each ton of zinc oxide ore in secondary roughing tailings; 75g of combined collecting agent is added into the primary scavenging tailings;
(5) merging the primary roughing concentrate in the step (2) and the secondary roughing concentrate in the step (3) to perform primary concentration operation to obtain primary concentrated concentrate and primary concentrated tailings, returning the primary concentrated tailings to size mixing and merging into the primary roughing operation, performing secondary concentration operation on the primary concentrated concentrate to obtain floating zinc concentrate and secondary concentrated tailings, returning the secondary concentrated tailings to size mixing and merging into the primary concentration operation;
the flotation recovery of zinc in this example was 86.2%.
Example 3: as shown in figure 1, a copper ammonia complex gradient activation-intensified sulfide flotation method for micro-fine zinc oxide ore comprises the following specific steps:
(1) crushing and grinding zinc oxide ore until the mass percentage of the zinc oxide ore in-38 mu m size fraction accounts for 90 percent, and mixing the zinc oxide ore and the ore pulp until the mass percentage concentration of the ore pulp is 25 percent; wherein the mass percentage content of zinc in the zinc oxide ore is 20.5 percent;
(2) sequentially adding a combined regulator (sodium hexametaphosphate and water glass), a copper ammonia complex I, a combined vulcanizing agent (sodium sulfide and sodium polysulfide), a copper ammonia complex II, a combined collecting agent (isoamyl xanthate, butyl xanthate and ammonium butyrate nigricans) and a foaming agent (pine oil) into the ore pulp obtained in the step (1), and performing primary roughing operation to obtain primary roughed concentrate and primary roughed tailings; 1500g of combined regulator, 800g of copper-ammonia complex I, 8000g of combined vulcanizing agent, 500g of copper-ammonia complex II, 800g of combined collector and 80g of foaming agent (pine oil) are added into ore pulp by per ton of zinc oxide ore;
(3) sequentially adding a combined regulator, a copper-ammonia complex I, a combined vulcanizing agent, a copper-ammonia complex II, a combined collecting agent and a foaming agent into the primary roughed tailings in the step (2), and performing secondary rougher operation to obtain secondary roughed concentrate and secondary roughed tailings; adding 750g of combined regulator, 400g of copper-ammonia complex I, 4000g of combined vulcanizing agent, 250g of copper-ammonia complex II, 400g of combined collector and 40g of foaming agent into each ton of zinc oxide ore in the primary rougher tailings;
(4) sequentially adding a combined regulator, a copper-ammonia complex I, a combined vulcanizing agent, a copper-ammonia complex II, a combined collecting agent and a foaming agent into the secondary rougher tailings in the step (3), and performing primary scavenging operation to obtain primary scavenged concentrate and primary scavenged tailings; returning the primary scavenged concentrate to size mixing and merging into secondary roughing operation, adding a combined collecting agent into the primary scavenged tailings to perform secondary scavenging operation to obtain secondary scavenged concentrate and flotation tailings, and returning the secondary scavenged concentrate to size mixing and merging into the primary scavenging operation; based on each ton of zinc oxide ore, 375g of combined regulator, 200g of copper-ammonia complex I, 2000g of combined vulcanizing agent, 125g of copper-ammonia complex II, 200g of combined collector and 20g of foaming agent are added into the secondary rougher tailings; 100g of combined collecting agent is added into the primary scavenging tailings;
(5) merging the primary roughing concentrate in the step (2) and the secondary roughing concentrate in the step (3) to perform primary concentration operation to obtain primary concentrated concentrate and primary concentrated tailings, returning the primary concentrated tailings to size mixing and merging into the primary roughing operation, performing secondary concentration operation on the primary concentrated concentrate to obtain floating zinc concentrate and secondary concentrated tailings, returning the secondary concentrated tailings to size mixing and merging into the primary concentration operation;
the flotation recovery of zinc in this example was 83.7%.
Claims (10)
1. A micro-fine particle zinc oxide ore copper ammonia complex gradient activation-enhanced sulfuration flotation method is characterized by comprising the following specific steps:
(1) crushing and grinding zinc oxide ore until the mass percentage of-38 mu m particle size accounts for 75-90%, and mixing the pulp until the mass percentage concentration of the pulp is 25-40%;
(2) sequentially adding a combined regulator and a copper ammonia complex into the ore pulp obtained in the step (1)
A composite vulcanizing agent and a copper ammonia complex
Combining a collecting agent and a foaming agent, and performing primary roughing operation to obtain primary roughed concentrate and primary roughed tailings;
(3) sequentially adding a combined regulator and a copper ammonia complex into the primary roughed tailings in the step (2)
A composite vulcanizing agent and a copper ammonia complex
Combining a collecting agent and a foaming agent, and performing secondary roughing operation to obtain secondary roughed concentrate and secondary roughed tailings;
(4) sequentially adding a combined regulator and a copper ammonia complex into the secondary rougher tailings in the step (3)
A composite vulcanizing agent and a copper ammonia complex
Combining a collecting agent and a foaming agent, and performing one scavenging operation to obtain one scavenging concentrate and one scavenging tailings; returning the primary scavenged concentrate to size mixing and merging into secondary roughing operation, adding a combined collecting agent into the primary scavenged tailings to perform secondary scavenging operation to obtain secondary scavenged concentrate and flotation tailings, and returning the secondary scavenged concentrate to size mixing and merging into the primary scavenging operation;
(5) merging the primary roughing concentrate in the step (2) and the secondary roughing concentrate in the step (3) to perform primary concentration operation to obtain primary concentrated concentrate and primary concentrated tailings, returning the primary concentrated tailings to size mixing and merging into the primary roughing operation, performing secondary concentration operation on the primary concentrated concentrate to obtain floating zinc concentrate and secondary concentrated tailings, returning the secondary concentrated tailings to size mixing and merging into the primary concentration operation;
the combined collecting agent comprises isoamyl xanthate, butyl xanthate and ammonium butyrate melanophore.
2. The fine particle zinc oxide ore copper ammonia complex step activation-enhanced sulfidation flotation method of claim 1, wherein: the mass percentage of zinc in the zinc oxide ore in the step (1) is 8.0-20.5%.
3. The fine particle zinc oxide ore copper ammonia complex step activation-enhanced sulfidation flotation method of claim 1, wherein: the adding amount of the roughing medicament in the ore pulp obtained in the step (2) is 1000-1500 g of combined regulator and copper ammonia complex per ton of zinc oxide ore
400-800 g, 3000-8000 g of combined vulcanizing agent and copper ammonia complex
200-500 g of combined collecting agent, 400-800 g of combined collecting agent and 40-80 g of foaming agent.
4. The fine particle zinc oxide ore copper ammonia complex step activation-enhanced sulfidation flotation method of claim 1, wherein: the adding amount of the roughing medicament in the primary roughing tailings in the step (3) is 500-750 g of combined regulator and the copper ammonia complex per ton of zinc oxide ore
200-400 g, 1500-4000 g of combined vulcanizing agent and copper ammonia complex
100-250 g of combined collecting agent, 200-400 g of combined collecting agent and 20-40 g of foaming agent.
5. The fine particle zinc oxide ore copper ammonia complex step activation-enhanced sulfidation flotation method of claim 1, wherein: based on each ton of zinc oxide ore, the scavenging agent in the secondary roughing tailings in the step (4) is added with 250-375 g of combined regulator and copper ammonia complex
100-200 g, 750-2000 g of combined vulcanizing agent and copper ammonia complex
50-125 g of combined collecting agent, 100-200 g of combined collecting agent and 10-20 g of foaming agent; the adding amount of the combined collecting agent in the once scavenging tailings is 50-100 g.
6. The fine particle zinc oxide ore copper ammonia complex step activation-enhanced sulfidation flotation method of claim 1, wherein: copper ammonia complex
And copper ammonia complex
Is the same copper ammonia complex, and the preparation method comprises the following steps:
1) stirring and leaching the high-purity copper oxide minerals by adopting strong ammonia water to obtain a copper ammonia complex solution;
2) and (3) placing the copper ammonia complex solution obtained in the step 1) in an ethanol solution for crystallization for multiple times to obtain the copper ammonia complex of the activator.
7. The fine particle zinc oxide ore copper ammonia complex step activation-enhanced sulfidation flotation method of claim 1, wherein: the mass ratio of the sodium hexametaphosphate to the water glass in the combined regulator is 2: 3.
8. The fine particle zinc oxide ore copper ammonia complex step activation-enhanced sulfidation flotation method of claim 1, wherein: the mass ratio of sodium sulfide to sodium polysulfide in the combined vulcanizing agent is 3: 2.
9. The fine particle zinc oxide ore copper ammonia complex step activation-enhanced sulfidation flotation method of claim 1, wherein: the mass ratio of the isoamyl xanthate to the butyl xanthate to the ammonium buterate in the combined collector is 5:3: 2.
10. The fine particle zinc oxide ore copper ammonia complex step activation-enhanced sulfidation flotation method of claim 1, wherein: the foaming agent is terpineol oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010385428.8A CN111530639B (en) | 2020-05-09 | 2020-05-09 | Micro-fine particle zinc oxide ore copper ammonia complex gradient activation-enhanced vulcanization flotation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010385428.8A CN111530639B (en) | 2020-05-09 | 2020-05-09 | Micro-fine particle zinc oxide ore copper ammonia complex gradient activation-enhanced vulcanization flotation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111530639A CN111530639A (en) | 2020-08-14 |
| CN111530639B true CN111530639B (en) | 2021-04-02 |
Family
ID=71971887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010385428.8A Active CN111530639B (en) | 2020-05-09 | 2020-05-09 | Micro-fine particle zinc oxide ore copper ammonia complex gradient activation-enhanced vulcanization flotation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111530639B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115318449B (en) * | 2022-09-01 | 2023-06-23 | 昆明理工大学 | High-entropy collection flotation method for low-grade zinc oxide ores |
| CN115672558B (en) * | 2022-10-31 | 2023-08-18 | 昆明理工大学 | Method for recycling zinc oxide ore through full-size-fraction reinforced vulcanization-classified floatation |
| CN116060214B (en) * | 2022-12-21 | 2023-07-21 | 昆明理工大学 | Multi-metal coupling activation flotation method for high-calcium siliceous zinc oxide ore |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2084716A (en) * | 1933-03-08 | 1937-06-22 | Firm Of Polensky Und Zollner | Process of obtaining zinc oxide |
| CN1820853A (en) * | 2006-02-09 | 2006-08-23 | 陈铁 | Beneficiation method for zinc oxide mine |
| CN101745468A (en) * | 2010-01-27 | 2010-06-23 | 紫金矿业集团股份有限公司 | Beneficiation method for improving recovery rate of low-grade zinc oxide ore |
| CN106540815A (en) * | 2016-11-09 | 2017-03-29 | 长春黄金研究院 | A kind of microfine zinc oxide ore beneficiation method |
| CN107051749A (en) * | 2017-03-10 | 2017-08-18 | 昆明理工大学 | A kind of zinc oxide ore intensified Daqu method |
-
2020
- 2020-05-09 CN CN202010385428.8A patent/CN111530639B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2084716A (en) * | 1933-03-08 | 1937-06-22 | Firm Of Polensky Und Zollner | Process of obtaining zinc oxide |
| CN1820853A (en) * | 2006-02-09 | 2006-08-23 | 陈铁 | Beneficiation method for zinc oxide mine |
| CN101745468A (en) * | 2010-01-27 | 2010-06-23 | 紫金矿业集团股份有限公司 | Beneficiation method for improving recovery rate of low-grade zinc oxide ore |
| CN106540815A (en) * | 2016-11-09 | 2017-03-29 | 长春黄金研究院 | A kind of microfine zinc oxide ore beneficiation method |
| CN107051749A (en) * | 2017-03-10 | 2017-08-18 | 昆明理工大学 | A kind of zinc oxide ore intensified Daqu method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111530639A (en) | 2020-08-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111530636B (en) | Method for enhanced sulfuration flotation recovery of copper oxide ore by copper ammonia complex gradient activation | |
| CN111530639B (en) | Micro-fine particle zinc oxide ore copper ammonia complex gradient activation-enhanced vulcanization flotation method | |
| CN109174467B (en) | Method for flotation separation of lead-zinc sulfide minerals | |
| CN110369122B (en) | Beneficiation method for efficiently recovering high-sulfur gold-copper ore | |
| WO2021037242A1 (en) | Pyrrhotite mineral processing method using low-alkali process of magnetic separation followed by flotation | |
| CN103041924B (en) | Beneficiation process of recovering associated silver from lead-zinc-sliver sulfide ore | |
| CN109092563B (en) | Flotation method for high-sulfur lead-zinc ore | |
| CN109821661A (en) | A kind of low alkali of high sulfur-lead-zinc ore is without sulfuric acid floatation process | |
| CN111659530B (en) | Method for dressing, smelting, recovering and separating continuous growth type copper-lead-zinc sulfide ore | |
| CN111617884B (en) | Flotation separation method for copper, lead, zinc and arsenic in complex multi-metal sulfide ore | |
| CN112221699B (en) | Clean and efficient beneficiation method for complex gold, silver, copper, lead and zinc-containing composite ore | |
| CN112156894A (en) | Method for flotation of uranium minerals from volcanic rock type uranium ores | |
| CN111545352B (en) | Beneficiation method for associated low-grade gold and cobalt in iron ore | |
| CN111036392B (en) | Combined inhibitor and separation method for micro-fine particle copper-lead bulk concentrate | |
| CN112774870A (en) | Sorting pretreatment method for high-acid-consumption argillaceous sandstone-type uranium ores | |
| CN109701750B (en) | Beneficiation method for recovering gold and silver from copper-nickel bulk concentrate | |
| CN112156884A (en) | Pretreatment method for high-acid-consumption difficult-leaching volcanic-type uranium ore | |
| CN115430523B (en) | Flotation separation method of low-copper high-zinc refractory copper-zinc sulfide ore | |
| CN111659531B (en) | Method for flotation separation of lead-zinc sulfide ore containing intergrowth | |
| CN115318445A (en) | Copper-lead sulfide ore flotation separation inhibitor and preparation method and application thereof | |
| CN111659529B (en) | Method for separating and utilizing micro-fine particle embedded lead-zinc oxide ore by dressing and smelting | |
| CN109078761B (en) | Method for reinforcing flotation of refractory nickel sulfide ore by using magnetic hydrophobic particles | |
| CN110586335A (en) | High-alkali magnetic-first-floating-later-magnetic pyrite beneficiation method | |
| CN112221719A (en) | Method for improving recovery rate of associated gold from low-grade copper-sulfur ore | |
| CN115672558B (en) | Method for recycling zinc oxide ore through full-size-fraction reinforced vulcanization-classified floatation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |