CN111558469B - Beneficiation reagent for copper and lead flotation of copper and lead ores and preparation method thereof - Google Patents
Beneficiation reagent for copper and lead flotation of copper and lead ores and preparation method thereof Download PDFInfo
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- CN111558469B CN111558469B CN202010348231.7A CN202010348231A CN111558469B CN 111558469 B CN111558469 B CN 111558469B CN 202010348231 A CN202010348231 A CN 202010348231A CN 111558469 B CN111558469 B CN 111558469B
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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
- B03D1/018—Mixtures of inorganic and organic 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
- B03D2203/00—Specified materials treated by the flotation agents; specified applications
- B03D2203/02—Ores
- B03D2203/04—Non-sulfide ores
Abstract
The beneficiation reagent for copper and lead flotation of copper and lead ores and the preparation method thereof are prepared from the following raw materials in parts by weight: 10-20 parts of oleic acid, 5-8 parts of sodium carbonate, 30-50 parts of sodium sulfide, 10-15 parts of sulfur, 12-18 parts of esterified xanthate, 20-40 parts of carbon disulfide, 1-2 parts of quick lime, 30-60 parts of p-phenylmethylamine, 4-5 parts of an activator and 20-35 parts of phenethyl alcohol. The method has the characteristics of high sorting efficiency, high yield, small using amount, simple and reliable process flow, easiness in operation and the like, is suitable for the application of copper-lead ore flotation copper-lead, and can bring good economic benefits for the copper-lead ore.
Description
Technical Field
The invention relates to the technical field of beneficiation, in particular to a copper-lead flotation beneficiation reagent for copper-lead ores and a preparation method thereof.
Background
At present, the lead metal raw materials in China mainly comprise chalcopyrite, galena, sphalerite, galena and the like. The beneficiation method of the copper-lead ore is mainly a flotation method, and sometimes aims to improve the quality of lead concentrate, remove impurities and perform chemical beneficiation and dressing on the lead concentrate.
The collecting agents which take a leading role in the existing copper-lead ore flotation process are flotation agents such as xanthate, cyanide, phosphate, xanthate ester, xanthate and the like, but in actual ore dressing, results mostly fail to meet the design requirements, the separation of copper and lead is not ideal, the content of copper in lead concentrate products exceeds the standard, the content of lead in copper concentrate products exceeds the standard, the recovery rate of concentrate is low, and the waste of mineral resources is caused.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art and provides a copper-lead ore dressing agent for copper-lead ore flotation with high sorting efficiency, high yield, small dosage, simple and reliable process flow and a preparation method thereof.
The invention relates to a copper-lead ore dressing agent for copper-lead ore flotation, which is characterized by being prepared from the following raw materials in parts by weight: 10-20 parts of oleic acid, 5-8 parts of sodium carbonate, 30-50 parts of sodium sulfide, 10-15 parts of sulfur, 12-18 parts of esterified xanthate, 20-40 parts of carbon disulfide, 1-2 parts of quick lime, 30-60 parts of p-phenylmethylamine, 4-5 parts of an activator and 20-35 parts of phenethyl alcohol.
In the technical scheme of the beneficiation reagent for copper and lead flotation of copper and lead ores, the further preferable technical scheme is characterized in that:
1. the feed is prepared from the following raw materials in parts by weight: 10 parts of oleic acid, 5 parts of sodium carbonate, 30 parts of sodium sulfide, 10 parts of sulfur, 12 parts of esterified xanthate, 20 parts of carbon disulfide, 1 part of quick lime, 30 parts of p-phenylmethylamine, 4 parts of an activating agent and 20 parts of phenethyl alcohol;
2. the feed is prepared from the following raw materials in parts by weight: 20 parts of oleic acid, 8 parts of sodium carbonate, 50 parts of sodium sulfide, 15 parts of sulfur, 18 parts of esterified xanthate, 40 parts of carbon disulfide, 2 parts of quick lime, 60 parts of p-phenylmethylamine, 5 parts of an activator and 35 parts of phenethyl alcohol;
3. the feed is prepared from the following raw materials in parts by weight: 15 parts of oleic acid, 6 parts of sodium carbonate, 40 parts of sodium sulfide, 12 parts of sulfur, 15 parts of esterified xanthate, 30 parts of carbon disulfide, 1.5 parts of quick lime, 45 parts of p-phenylmethylamine, 4.5 parts of an activating agent and 28 parts of phenethyl alcohol.
The invention relates to a preparation method of a copper-lead ore dressing agent for copper-lead ore flotation, which is characterized by comprising the following steps: A. preparing oleic acid, carbon disulfide and quicklime into an oily solution with the volume percentage of 30-65%; B. adding sulfur, esterified xanthate, sodium sulfide and sodium carbonate into the oily solution obtained in the step A, reacting for 30-70 min, and stirring at 75-145 r/m; C. b, adding p-phenylmethylamine, an activating agent and phenethyl alcohol into the solution obtained in the step B, stirring at 35-125 r/min, reacting for 0.5-1 h, and filtering, wherein the reaction temperature and the filtering temperature are 25-65 ℃; the product is a mixture of oily liquid and aqueous solution, wherein the weight percentage of the oily liquid is 30-70%, and the weight percentage of the aqueous solution is 30-70%; D. c, evaporating the filtrate obtained by filtering in the step C, wherein the specific gravity of the evaporated solution is 1.36g/cm3～3.79g/cm3(ii) a E. Cooling by gradient descentCooling at 5-30 deg.c; F. and E, carrying out suction filtration on the cooling liquid in the step E, wherein the suction filtration time is 30-120 min.
In the technical scheme of the preparation method of the beneficiation reagent for copper and lead flotation of copper and lead ores, the further preferable technical scheme is characterized in that:
1. the reaction time in the step B is 50min, and the stirring speed is 115 revolutions per minute;
2. in the step C, the stirring speed is 85 rpm, the reaction is carried out for 0.8h, and then the filtration is carried out, wherein the reaction temperature and the filtration temperature are 45 ℃;
3. the cooling temperature in the step E is 15 ℃;
4. and F, suction filtration time of the step F is 80 min.
Compared with the prior art, the method has the characteristics of high sorting efficiency, high yield, small using amount, simple and reliable process flow, easiness in operation and the like, is suitable for application of copper-lead ore flotation copper-lead, and can bring good economic benefits to the copper-lead ore.
Detailed Description
The following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Embodiment 1, a copper-lead ore dressing agent for copper-lead ore flotation is prepared from the following raw materials in parts by weight: 10-20 parts of oleic acid, 5-8 parts of sodium carbonate, 30-50 parts of sodium sulfide, 10-15 parts of sulfur, 12-18 parts of esterified xanthate, 20-40 parts of carbon disulfide, 1-2 parts of quick lime, 30-60 parts of p-phenylmethylamine, 4-5 parts of an activator and 20-35 parts of phenethyl alcohol.
Example 1 is applied to flotation of copper and lead ores in northern Xinjiang, and the beneficiation reagent is named LZY-17, and the indexes are as follows:
example 2, the beneficiation reagent for copper and lead flotation of copper and lead ores according to example 1 is prepared from the following raw materials in parts by weight: 20 parts of oleic acid, 8 parts of sodium carbonate, 50 parts of sodium sulfide, 15 parts of sulfur, 18 parts of esterified xanthate, 40 parts of carbon disulfide, 2 parts of quicklime, 60 parts of p-phenylmethylamine, 5 parts of an activator and 35 parts of phenethyl alcohol. Example 2 applied to flotation of some copper and lead ores in Sichuan, the beneficiation reagent is named LZY-17, and the indexes are as follows:
example 3, the beneficiation reagent for copper and lead flotation of copper and lead ores according to example 1 or 2 is prepared from the following raw materials in parts by weight: oleic acid 34, sodium carbonate 10, sodium peroxide 5, phosphorus 10, hydroxybutyl ethylene 30, alkyl phosphate 15, slaked lime 10, an activator 5 and beta-amino-1-butene 24. Example 3 is applied to flotation of copper and lead ores in Heilongjiang, and the beneficiation reagent is named LZY-17, and indexes are as follows:
example 4, the agent for copper-lead flotation according to any one of examples 1 to 3 is prepared from the following raw materials in parts by weight: 15 parts of oleic acid, 6 parts of sodium carbonate, 40 parts of sodium sulfide, 12 parts of sulfur, 15 parts of esterified xanthate, 30 parts of carbon disulfide, 1.5 parts of quick lime, 45 parts of p-phenylmethylamine, 4.5 parts of an activating agent and 28 parts of phenethyl alcohol.
Example 4 applied to the flotation of a copper-lead ore in the Qinghai, the beneficiation reagent is named as LZY-17, and the indexes are as follows:
embodiment 5, a method for preparing a beneficiation reagent for copper and lead flotation of copper and lead ores, comprising the following steps: A. preparing oleic acid, carbon disulfide and quicklime into an oily solution with the volume percentage of 30-65%; B. adding sulfur, esterified xanthate, sodium sulfide and sodium carbonate into the step AIn the obtained oily solution, the reaction time is 30 min-70 min, and the stirring speed is 75-145 r/min; C. b, adding p-phenylmethylamine, an activating agent and phenethyl alcohol into the solution obtained in the step B, stirring at 35-125 r/min, reacting for 0.5-1 h, and filtering, wherein the reaction temperature and the filtering temperature are 25-65 ℃; the product is a mixture of oily liquid and aqueous solution, wherein the weight percentage of the oily liquid is 30-70%, and the weight percentage of the aqueous solution is 30-70%; D. c, evaporating the filtrate obtained by filtering in the step C, wherein the specific gravity of the evaporated solution is 1.36g/cm3～3.79g/cm3(ii) a E. The cooling mode adopts gradient cooling, and the cooling temperature is 5-30 ℃; F. and E, carrying out suction filtration on the cooling liquid in the step E, wherein the suction filtration time is 30-120 min. The step B of stirring is carried out by using a rotating blade stirrer with the rotating speed of 75-145 rpm, and the step C of stirring is carried out by using a rotating blade stirrer with the rotating speed of 35-125 rpm.
Example 6, the preparation method of the reagent for copper-lead ore flotation according to example 5 includes the following steps: A. preparing oleic acid, carbon disulfide and quicklime into an oily solution with the volume percentage of 30%; B. adding sulfur, esterified xanthate, sodium sulfide and sodium carbonate into the oily solution obtained in the step A, reacting for 30-70 min, and stirring at 75-145 r/m; C. b, adding p-phenylmethylamine, an activating agent and phenethyl alcohol into the solution obtained in the step B, stirring at 35-125 r/min, reacting for 0.5-1 h, and filtering, wherein the reaction temperature and the filtering temperature are 25-65 ℃; the product is a mixture of oily liquid and aqueous solution, wherein the weight percentage of the oily liquid is 30 percent, and the weight percentage of the aqueous solution is 30 percent; D. c, evaporating the filtrate obtained by filtering in the step C, wherein the specific gravity of the evaporated solution is 1.36g/cm3(ii) a E. The cooling mode adopts gradient cooling, and the cooling temperature is 5-30 ℃; F. and E, carrying out suction filtration on the cooling liquid in the step E, wherein the suction filtration time is 30-120 min.
Example 7, the preparation method of the reagent for copper-lead ore flotation according to example 5 or 6 includes the following steps: A. mixing oleic acid, carbon disulfide and calcium limePreparing an oily solution with the volume percentage of 65 percent; B. adding sulfur, esterified xanthate, sodium sulfide and sodium carbonate into the oily solution obtained in the step A, reacting for 30-70 min, and stirring at 75-145 r/m; C. b, adding p-phenylmethylamine, an activating agent and phenethyl alcohol into the solution obtained in the step B, stirring at 35-125 r/min, reacting for 0.5-1 h, and filtering, wherein the reaction temperature and the filtering temperature are 25-65 ℃; the product is a mixture of oily liquid and aqueous solution, wherein the weight percentage of the oily liquid is 70 percent, and the weight percentage of the aqueous solution is 70 percent; D. c, evaporating the filtrate obtained by filtering in the step C, wherein the specific gravity of the evaporated solution is 3.79g/cm3(ii) a E. The cooling mode adopts gradient cooling, and the cooling temperature is 5-30 ℃; F. and E, carrying out suction filtration on the cooling liquid in the step E, wherein the suction filtration time is 30-120 min.
Example 8, the beneficiation reagent for copper-lead flotation of copper-lead according to any one of examples 5 to 7, in the preparation method thereof: and the reaction time in the step B is 50min, and the stirring speed is 115 revolutions per minute.
Example 9, the beneficiation reagent for copper-lead flotation of copper-lead according to any one of examples 5 to 8, in the preparation method thereof: and C, in the step C, the stirring speed is 85 rpm, the reaction is carried out for 0.8h, and then the filtration is carried out, wherein the reaction temperature and the filtration temperature are 45 ℃.
Example 10, the method for preparing the reagent for copper-lead ore beneficiation by copper-lead ore flotation according to any one of examples 5 to 9: the cooling temperature in said step E was at 15 ℃.
Example 11, the beneficiation reagent for copper-lead flotation of copper-lead according to any one of examples 5 to 10, in the preparation method thereof: and F, suction filtration time of the step F is 80 min.
The above description is only for the preferred embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present invention and the inventive concept thereof within the scope of the present invention.
Claims (9)
1. The copper-lead ore dressing agent for copper-lead ore flotation is characterized by being prepared from the following raw materials in parts by weight: 10-20 parts of oleic acid, 5-8 parts of sodium carbonate, 30-50 parts of sodium sulfide, 10-15 parts of sulfur, 12-18 parts of esterified xanthate, 20-40 parts of carbon disulfide, 1-2 parts of quick lime, 30-60 parts of p-phenylmethylamine, 4-5 parts of an activator and 20-35 parts of phenethyl alcohol;
the preparation method of the beneficiation reagent comprises the following steps: A. preparing oleic acid, carbon disulfide and quicklime into an oily solution with the volume percentage of 30-65%; B. adding sulfur, esterified xanthate, sodium sulfide and sodium carbonate into the oily solution obtained in the step A, reacting for 30-70 min, and stirring at 75-145 r/m; C. b, adding p-phenylmethylamine, an activating agent and phenethyl alcohol into the solution obtained in the step B, stirring at 35-125 r/min, reacting for 0.5-1 h, and filtering, wherein the reaction temperature and the filtering temperature are 25-65 ℃; the product is a mixture of oily liquid and aqueous solution, wherein the weight percentage of the oily liquid is 30-70%, and the weight percentage of the aqueous solution is 30-70%; D. c, evaporating the filtrate obtained by filtering in the step C, wherein the specific gravity of the evaporated solution is 1.36g/cm3～3.79 g/cm3(ii) a E. The cooling mode adopts gradient cooling, and the cooling temperature is 5-30 ℃; F. and E, carrying out suction filtration on the cooling liquid in the step E, wherein the suction filtration time is 30-120 min.
2. The copper-lead ore beneficiation reagent for copper-lead flotation according to claim 1, characterized by being prepared from the following raw materials in parts by weight: 10 parts of oleic acid, 5 parts of sodium carbonate, 30 parts of sodium sulfide, 10 parts of sulfur, 12 parts of esterified xanthate, 20 parts of carbon disulfide, 1 part of quicklime, 30 parts of p-phenylmethylamine, 4 parts of an activating agent and 20 parts of phenethyl alcohol.
3. The copper-lead ore beneficiation reagent for copper-lead flotation according to claim 1, characterized by being prepared from the following raw materials in parts by weight: 20 parts of oleic acid, 8 parts of sodium carbonate, 50 parts of sodium sulfide, 15 parts of sulfur, 18 parts of esterified xanthate, 40 parts of carbon disulfide, 2 parts of quicklime, 60 parts of p-phenylmethylamine, 5 parts of an activator and 35 parts of phenethyl alcohol.
4. The copper-lead ore beneficiation reagent for copper-lead flotation according to claim 1, characterized by being prepared from the following raw materials in parts by weight: 15 parts of oleic acid, 6 parts of sodium carbonate, 40 parts of sodium sulfide, 12 parts of sulfur, 15 parts of esterified xanthate, 30 parts of carbon disulfide, 1.5 parts of quick lime, 45 parts of p-phenylmethylamine, 4.5 parts of an activating agent and 28 parts of phenethyl alcohol.
5. The preparation method of the beneficiation reagent for copper and lead flotation of the copper and lead ores is characterized by comprising the following steps:
A. preparing oleic acid, carbon disulfide and quicklime into an oily solution with the volume percentage of 30-65%;
B. adding sulfur, esterified xanthate, sodium sulfide and sodium carbonate into the oily solution obtained in the step A, reacting for 30-70 min, and stirring at 75-145 r/m;
C. b, adding p-phenylmethylamine, an activating agent and phenethyl alcohol into the solution obtained in the step B, stirring at 35-125 r/min, reacting for 0.5-1 h, and filtering, wherein the reaction temperature and the filtering temperature are 25-65 ℃; the product is a mixture of oily liquid and aqueous solution, wherein the weight percentage of the oily liquid is 30-70%, and the weight percentage of the aqueous solution is 30-70%;
D. c, evaporating the filtrate obtained by filtering in the step C, wherein the specific gravity of the evaporated solution is 1.36g/cm3～3.79 g/cm3；
E. The cooling mode adopts gradient cooling, and the cooling temperature is 5-30 ℃;
F. and E, carrying out suction filtration on the cooling liquid in the step E, wherein the suction filtration time is 30-120 min.
6. The preparation method of the beneficiation reagent for copper and lead flotation of the copper and lead ores according to claim 5, characterized in that: and the reaction time in the step B is 50min, and the stirring speed is 115 revolutions per minute.
7. The preparation method of the beneficiation reagent for copper and lead flotation of the copper and lead ores according to claim 5, characterized in that: and C, in the step C, the stirring speed is 85 rpm, the reaction is carried out for 0.8h, and then the filtration is carried out, wherein the reaction temperature and the filtration temperature are 45 ℃.
8. The preparation method of the beneficiation reagent for copper and lead flotation of the copper and lead ores according to claim 5, characterized in that: the cooling temperature in said step E was at 15 ℃.
9. The preparation method of the beneficiation reagent for copper and lead flotation of the copper and lead ores according to claim 5, characterized in that: and F, suction filtration time of the step F is 80 min.
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| CN113333173B (en) * | 2021-05-13 | 2022-06-21 | 西北矿冶研究院 | Beneficiation reagent for tin flotation of tin ore and preparation method thereof |
| CN113333174B (en) * | 2021-05-13 | 2022-05-31 | 西北矿冶研究院 | Beneficiation reagent for flotation of tantalum and niobium in tantalum-niobium ore and preparation method thereof |
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