CN106733212A - Inhibitor for separating copper-molybdenum ore and method for separating ore by using inhibitor - Google Patents
Inhibitor for separating copper-molybdenum ore and method for separating ore by using inhibitor Download PDFInfo
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- CN106733212A CN106733212A CN201611022150.8A CN201611022150A CN106733212A CN 106733212 A CN106733212 A CN 106733212A CN 201611022150 A CN201611022150 A CN 201611022150A CN 106733212 A CN106733212 A CN 106733212A
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- molybdenum
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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
- B03D1/00—Flotation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2201/00—Specified effects produced by the flotation agents
- B03D2201/06—Depressants
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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
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention belongs to the technical field of ore pulp potential adjustment and mineral flotation separation, and particularly relates to an inhibitor for separating copper-molybdenum ores and a method for separating ores by using the inhibitor. The inhibitor is formed by mixing sodium polyhydroxy xanthate, sodium phosphate and carboxymethyl tri-flow carbonate, wherein the mass ratio of the sodium polyhydroxy xanthate to the sodium phosphate to the carboxymethyl tri-flow carbonate is 0.5:0.65: 1.0; a method for beneficiation of copper-molybdenum ore by using an inhibitor comprises three steps of preparing copper-molybdenum bulk concentrate, preparing copper rough concentrate and molybdenum rough concentrate, and preparing copper concentrate and molybdenum concentrate. The invention breaks through the technical bottlenecks that the industrial production recovery rate of the copper-molybdenum ore is low, and the separation of the copper-molybdenum concentrate is difficult and has higher mutual content.
Description
Technical field
The invention belongs to pulp potential adjustment and mineral floating separation technology field, and in particular to a kind of sorting copper-molybdenum
Inhibitor and the method that ore dressing is carried out using the inhibitor.
Background technology
There is Xinjiang White silver ore industry development corporation, Ltd. copper-molybdenum China to be associated with the general character of molybdenum porphyry copper, main metallic copper
Molybdenum grade is relatively low, copper-molybdenum mineral disseminated grain size thickness is uneven, molybdenum ore thing and copper mineral and gangue mineral symbiosis closely, the difficult choosing of category
Copper-molybdenum.Its suitable copper-molybdenum ore-dressing technique is studied, is all had from business economic and in the application of successful techniques very heavy
The meaning wanted：The dynamics that increasing is utilized to copper-molybdenum mineral products resource synthetic development, improves low-grade copper molybdenum ore resource comprehensive utilization ratio
And Business Economic Benefit, promote the further development of Enterprise Circular Economy.
The content of the invention
The present invention is achieved through the following technical solutions：
A kind of inhibitor T19 for sorting copper-molybdenum, the inhibitor T19 is received by polyhydroxy xanthic acid, phosphoric acid is received and carboxymethyl three
Stream is mixed for carbonate, and the quality proportioning that polyhydroxy xanthic acid is received, phosphoric acid is received and carboxymethyl three is flowed for carbonate is
0.5:0.65:1.0。
A kind of method for carrying out copper-molybdenum ore dressing using described inhibitor T19, comprises the following steps：
Step 1：Prepare copper-molybdenum bulk concentrate：Copper-molybdenum green ore is milled to the mineral that fineness is -0.074mm by wet ball mill
The 70%-75% of whole mineral is accounted for, it is the ore pulp of 35-40%, 90 ~ 120g/ of the mixed floating roughing calcium oxide content of copper-molybdenum that mass concentration is obtained
M3, adds the diesel oil of A23,30-40 g ton raw ore of 130 ~ 150 g ton raw ores to do under the conditions of being 8-9 in this concentration and pH value
The 2# oil of collecting agent and 35-40 g ton raw ores does foaming agent, and stirring carries out copper-molybdenum mixing roughing after 2-4 minutes, flotation time is
5-7 minutes, copper-molybdenum mixed crude concentrate is obtained, then it is selected through mixed once, flotation time is 4-5 minutes, obtains copper-molybdenum mixing essence
Ore deposit；
Step 2：Prepare copper rough concentrate and molybdenum rough concentrate：In ore pulp mass concentration it is 25-30% by copper-molybdenum bulk concentrate, pH value is
Under conditions of 8-9, after the stirring of roughing agitator is separated 1-2 minutes, carry out separating roughing operation, add collecting agent diesel oil 30-
35 g ton raw ores, inhibitor T19 dosage 80-90 g ton raw ores, flotation time is 3-5 minutes, obtains copper rough concentrate and molybdenum is thick
Concentrate；
Step 3：Prepare copper concentrate and molybdenum concntrate：When slurry pH is 8-9, selected output molybdenum concntrate is separated by 3 times, passed through
Output copper concentrate is scanned in 1 separation：Collecting agent diesel oil 20-25 g ton raw ores are added wherein in copper-cobalt ore selected I, is suppressed
Agent T19 amounts are 25-30 g ton raw ores, added in the selected operation II of copper-cobalt ore inhibitor add 10-15 grams of collecting agent diesel oil/
Ton raw ore, inhibitor T19 amounts are 10-15 g ton raw ores, not adding medicine in copper-cobalt ore operation III；Copper-cobalt ore adds in scanning
The addition for entering inhibitor T19 is 30-40 g ton raw ores.
Beneficial effects of the present invention：First, new agent mixture makes ball milling board imitate more live medicament scheme raising 10t/h
Many, main cause is to improve beneficiating efficiency, reduces ball mill energy consumption；Second, dosing is reduced, save Liao Xuan factories medicine
Agent cost, main cause is the strong new inhibitor mechanism of action, and reagent consumption is small, and the use of the medicament scheme can save ore dressing
2.45 yuan/ton of reagent cost；3rd, the rate of recovery of copper concentrate and molybdenum concntrate is greatly improved, and main cause is the inhibitor
The effective floating for inhibiting copper mineral and gangue, makes copper-molybdenum metal preferably separate, in reducing copper concentrate and molybdenum concntrate
Metal mutually contains；The present invention efficiently solves the difficult technical barrier of copper-cobalt ore, on the basis of small-scale test research, opens within 2016
The copper-molybdenum industrial test production for processing 1,400,000 tons year is opened up, industrial test is achieved successfully, breaches copper-molybdenum industry
The metaplasia product rate of recovery is low, copper-molybdenum concentrate separates difficulty and mutually contains technical bottleneck higher.
Specific embodiment
A kind of inhibitor T19 for sorting copper-molybdenum, the inhibitor T19 is received by polyhydroxy xanthic acid, phosphoric acid is received and carboxylic first
Base three flows and is mixed for carbonate, and polyhydroxy xanthic acid is received, phosphoric acid is received and carboxymethyl three flows quality proportioning for carbonate
It is 0.5:0.65:1.0.
The Main Function mechanism that wherein polyhydroxy xanthic acid is received be polyhydroxy xanthan acid group can with pyrite, marcasite with
And the gangue surface such as organic sulfur compound reacts, surface hydrophilic film layer is generated, be suppressed gangue.Sodium phosphate and carboxymethyl
Three streams are to eliminate sludge group wadding adverse effect for carbonate Main Function mechanism, reduce influence of the sludge to flotation operation.
A kind of method for carrying out copper-molybdenum ore dressing using inhibitor T19 as claimed in claim 1, comprises the following steps：
Step 1：Prepare copper-molybdenum bulk concentrate：Copper-molybdenum green ore is milled to the mineral that fineness is -0.074mm by wet ball mill
The 70%-75% of whole mineral is accounted for, it is the ore pulp of 35-40%, 90 ~ 120g/ of the mixed floating roughing calcium oxide content of copper-molybdenum that mass concentration is obtained
M3, adds the diesel oil of A23,30-40 g ton raw ore of 130 ~ 150 g ton raw ores to do under the conditions of being 8-9 in this concentration and pH value
The 2# oil of collecting agent and 35-40 g ton raw ores does foaming agent, and stirring carries out copper-molybdenum mixing roughing after 2-4 minutes, flotation time is
5-7 minutes, copper-molybdenum mixed crude concentrate is obtained, then it is selected through mixed once, flotation time is 4-5 minutes, obtains copper-molybdenum mixing essence
Ore deposit；
Step 3：Prepare copper concentrate and molybdenum concntrate：When slurry pH is 8-9, selected output molybdenum concntrate is separated by 3 times, passed through
Output copper concentrate is scanned in 1 separation：Collecting agent diesel oil 20-25 g ton raw ores are added wherein in copper-cobalt ore selected I, is suppressed
Agent T19 amounts are 25-30 g ton raw ores, added in the selected operation II of copper-cobalt ore inhibitor add 10-15 grams of collecting agent diesel oil/
Ton raw ore, inhibitor T19 amounts are 10-15 g ton raw ores, not adding medicine in copper-cobalt ore operation III.Copper-cobalt ore adds in scanning
The addition for entering inhibitor T19 is 30-40 g ton raw ores.
Inhibitor T19 is the combination medicament for adding various inorganic medicament mixed preparings by a certain percentage, and its is main
Composition is that polyhydroxy wasteland hydrochlorate, phosphate, carboxymethyl three are flowed for carbonate, and multiple action can be played in ore pulp：In ore deposit
Mineral surfaces are made to generate hydrophilic film and reduce the floatability of copper sulfur mineral and ore of easy floating gangue in slurry, while have concurrently necessarily disappearing
Except the effect of sludge group wadding adverse effect, play the role of very big for improving sorting index, increased the adaptability of medicament, reduce
Reagent cost reduces medicine machine.Inhibitor T19 outward appearances are brown ceramic powder, and soluble in water, alkalescent is nontoxic, degradable,
Main Ingredients and Appearance content >=85%, compared with traditional copper-cobalt ore adjustment inhibitor, with efficient separation, it is environment-friendly, be easy to control
Processed the features such as.
Embodiment 1：
Step 1：Prepare copper-molybdenum bulk concentrate：Ore to be selected is Xinjiang Suo Kuang copper-molybdenums, and head grade is：Copper 0.65%, molybdenum
0.065%.Above-mentioned raw ore is milled to the mineral that fineness is -0.074mm by wet ball mill and accounts for the 72% of whole mineral, gained
Ore pulp mass concentration is 38%, and lime is added in grinding machine, makes calcium oxide content 90g/m3 in ore pulp, and pH value is 9, in this concentration
With under pH condition to adding the g ton raw ores of collecting agent A23 130, the g ton raw ore of diesel oil 30 and 2 in ore pulp#Oily 35 g tons are former
Ore deposit, stirring carries out copper-molybdenum mixing roughing after 1.5 minutes, flotation time is 6 minutes, obtains copper-molybdenum mixed crude concentrate, then through once
Mixing is selected, and flotation time is 4 minutes, obtains copper-molybdenum bulk concentrate；
Step 2：Prepare copper rough concentrate and molybdenum rough concentrate：By copper-molybdenum bulk concentrate ore pulp mass concentration be 30%, pH value is 8.5
Under conditions of, after the stirring of roughing agitator is separated 1-2 minutes, separation roughing is carried out, add the g ton of collecting agent diesel oil 30 former
Ore deposit, the g ton raw ores of inhibitor T19 80, flotation time is 5 minutes, obtains copper rough concentrate and molybdenum rough concentrate；
Step 3：Prepare copper concentrate and molybdenum concntrate：When slurry pH is 8.5, selected output molybdenum concntrate is separated by 3 times, passed through
Output copper concentrate is scanned in 1 separation.The g ton raw ore of collecting agent diesel oil 20 is added wherein in the selected operation I of copper-cobalt ore, is suppressed
Agent T19 amounts are 25 g ton raw ores, and flotation time is 4 minutes, added in the selected operation II of copper-cobalt ore 10 grams of collecting agent diesel oil/
Ton raw ore, inhibitor T19 amounts are 10 g ton raw ores, and flotation time is 3 minutes, not adding medicine, flotation in copper-cobalt ore operation III
Time is 2 minutes.The addition that copper-cobalt ore scans middle addition inhibitor T19 is 30 g ton raw ores, and flotation time is 4 minutes.
Process above flow and inhibitor T19 schemes obtain Cu Concentrate Grade 18.47%, molybdenum concentrate grade 47.71%, copper
The rate of recovery is 92.61%, the mineral processing index of molybdenum recovery 58.20%；In the case where copper grade is suitable, new agent mixture with scene
Medicament scheme is compared, and molybdenum concntrate molybdenum grade is high by 5.097%；Copper concentrate reduces 0.054% containing molybdenum, and molybdenum concntrate cupric is reduced
0.638%；Copper recovery is high by 0.64%, and molybdenum recovery is high by 3.16%, and the more live medicament of mineral processing index improves notable.
Embodiment 2：
Step 1：Prepare copper-molybdenum bulk concentrate：Ore to be selected is Xinjiang Suo Kuang copper-molybdenums, and head grade is：Copper 0.90%, molybdenum
0.085%.Above-mentioned raw ore is milled to the mineral that fineness is -0.074mm by wet ball mill and accounts for the 73% of whole mineral, gained
Ore pulp mass concentration is 36%, and lime is added in grinding machine, makes calcium oxide content 100g/m3 in ore pulp（PH value is 9）, it is dense herein
To the g ton raw ores of addition collecting agent A23 150, the g ton raw ore of diesel oil 40 and 2 in ore pulp under degree and pH condition#Oily 40 g tons are former
Ore deposit, stirring carries out copper-molybdenum mixing roughing after 2 minutes, flotation time is 6 minutes, obtains copper-molybdenum mixed crude concentrate, then through once mixing
Close selected, flotation time is 4 minutes, obtains copper-molybdenum bulk concentrate；
Step 2：Prepare copper rough concentrate and molybdenum rough concentrate：By copper-molybdenum bulk concentrate ore pulp mass concentration be 35%, pH value is 9
Under the conditions of, after the stirring of roughing agitator is separated 2 minutes, separation roughing is carried out, add the g ton raw ore of collecting agent diesel oil 35, suppression
The g ton raw ores of preparation T19 90, flotation time is 5 minutes, obtains copper rough concentrate and molybdenum rough concentrate；
Step 3：Prepare copper concentrate and molybdenum concntrate：When slurry pH is 8.5, selected output molybdenum concntrate is separated by 3 times, passed through
Output copper concentrate is scanned in 1 separation.The g ton raw ore of collecting agent diesel oil 25 is added wherein in the selected operation I of copper-cobalt ore, is suppressed
Agent T19 amounts are 30 g ton raw ores, and flotation time is 4 minutes, added in the selected operation II of copper-cobalt ore 15 grams of collecting agent diesel oil/
Ton raw ore, inhibitor T19 amounts are 15 g ton raw ores, and flotation time is 3 minutes, not adding medicine, flotation in copper-cobalt ore operation III
Time is 2 minutes.The addition that copper-cobalt ore scans middle addition inhibitor T19 is 40 g ton raw ores, and flotation time is 4 minutes.
Process above flow and inhibitor T19 schemes obtain Cu Concentrate Grade 20.18%, molybdenum concentrate grade 50.24%, copper
The rate of recovery is 92.90%, the mineral processing index of molybdenum recovery 60.10%.
Embodiment 3：
Step 1：Prepare copper-molybdenum bulk concentrate：Ore to be selected is Xinjiang Suo Kuang copper-molybdenums, and head grade is：Copper 0.72%, molybdenum
0.075%.Above-mentioned raw ore is milled to the mineral that fineness is -0.074mm by wet ball mill and accounts for the 72% of whole mineral, gained
Ore pulp mass concentration is 35%, and lime is added in grinding machine, makes calcium oxide content 95g/m3 in ore pulp（PH value is 9）, in this concentration
With under pH condition to adding the g ton raw ores of collecting agent A23 140, the g ton raw ore of diesel oil 36 and 2 in ore pulp#Oily 35 g tons are former
Ore deposit, stirring carries out copper-molybdenum mixing roughing after 2 minutes, flotation time is 6 minutes, obtains copper-molybdenum mixed crude concentrate, then through once mixing
Close selected, flotation time is 4 minutes, obtains copper-molybdenum bulk concentrate；
Step 2：Prepare copper rough concentrate and molybdenum rough concentrate：By copper-molybdenum bulk concentrate ore pulp mass concentration be 35%, pH value is 9
Under the conditions of, after the stirring of roughing agitator is separated 2 minutes, separation roughing is carried out, add the g ton raw ore of collecting agent diesel oil 32, suppression
The g ton raw ores of preparation T19 85, flotation time is 5 minutes, obtains copper rough concentrate and molybdenum rough concentrate；
Step 3：Prepare copper concentrate and molybdenum concntrate：When slurry pH is 8.5, selected output molybdenum concntrate is separated by 3 times, passed through
Output copper concentrate is scanned in 1 separation.The g ton raw ore of collecting agent diesel oil 22 is added wherein in the selected operation I of copper-cobalt ore, is suppressed
Agent T19 amounts are 28 g ton raw ores, and flotation time is 4 minutes, added in the selected operation II of copper-cobalt ore 12 grams of collecting agent diesel oil/
Ton raw ore, inhibitor T19 amounts are 13 g ton raw ores, and flotation time is 3 minutes, not adding medicine, flotation in copper-cobalt ore operation III
Time is 2 minutes.The addition that copper-cobalt ore scans middle addition inhibitor T19 is 35 g ton raw ores, and flotation time is 3.5 points
Clock.
Process above flow and inhibitor T19 schemes obtain Cu Concentrate Grade 19.18%, molybdenum concentrate grade 49.84%, copper
The rate of recovery is 92.35%, the mineral processing index of molybdenum recovery 59.88%.
Claims (2)
1. it is a kind of sort copper-molybdenum inhibitor, it is characterised in that：The inhibitor is received by polyhydroxy xanthic acid, phosphoric acid is received and carboxylic
Methyl three is flowed and is mixed for carbonate, and the quality that polyhydroxy xanthic acid is received, phosphoric acid is received and carboxymethyl three is flowed for carbonate is matched somebody with somebody
Than being 0.5:0.65:1.0.
2. a kind of method that copper-molybdenum ore dressing is carried out using inhibitor, it is characterised in that：Comprise the following steps：
Step 1：Prepare copper-molybdenum bulk concentrate：Copper-molybdenum green ore is milled to the mineral that fineness is -0.074mm by wet ball mill
The 70%-75% of whole mineral is accounted for, it is the ore pulp of 35-40%, 90 ~ 120g/ of the mixed floating roughing calcium oxide content of copper-molybdenum that mass concentration is obtained
M3, adds the diesel oil of A23,30-40 g ton raw ore of 130 ~ 150 g ton raw ores to do under the conditions of being 8-9 in this concentration and pH value
The 2# oil of collecting agent and 35-40 g ton raw ores does foaming agent, and stirring carries out copper-molybdenum mixing roughing after 2-4 minutes, flotation time is
5-7 minutes, copper-molybdenum mixed crude concentrate is obtained, then it is selected through mixed once, flotation time is 4-5 minutes, obtains copper-molybdenum mixing essence
Ore deposit；
Step 2：Prepare copper rough concentrate and molybdenum rough concentrate：In ore pulp mass concentration it is 25-30% by copper-molybdenum bulk concentrate, pH value is
Under conditions of 8-9, after the stirring of roughing agitator is separated 1-2 minutes, carry out separating roughing operation, add collecting agent diesel oil 30-
35 g ton raw ores, the inhibitor dosage 80-90 g ton raw ores, flotation time is 3-5 minutes, obtains copper rough concentrate and molybdenum is thick
Concentrate；
Step 3：Prepare copper concentrate and molybdenum concntrate：When slurry pH is 8-9, selected output molybdenum concntrate is separated by 3 times, passed through
Output copper concentrate is scanned in 1 separation：Collecting agent diesel oil 20-25 g ton raw ores are added wherein in copper-cobalt ore selected I, is suppressed
Dosage is 25-30 g ton raw ores, and inhibitor and collecting agent, collecting agent diesel oil addition are added in the selected operation II of copper-cobalt ore
It is 10-15 g ton raw ores, inhibitor addition is 10-15 g ton raw ores, not adding medicine in copper-cobalt ore operation III；Copper-molybdenum point
It is 30-40 g ton raw ores from the addition for scanning middle inhibitor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611022150.8A CN106733212A (en) | 2016-11-21 | 2016-11-21 | Inhibitor for separating copper-molybdenum ore and method for separating ore by using inhibitor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611022150.8A CN106733212A (en) | 2016-11-21 | 2016-11-21 | Inhibitor for separating copper-molybdenum ore and method for separating ore by using inhibitor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111558470A (en) * | 2020-04-28 | 2020-08-21 | 西北矿冶研究院 | Combined regulator for lead-zinc ore flotation |
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| CN104259009A (en) * | 2014-08-08 | 2015-01-07 | 西北矿冶研究院 | Copper-iron-sulfur separation composite inhibitor and high-sulfur refractory copper-iron ore beneficiation method |
| CN105435953A (en) * | 2015-11-18 | 2016-03-30 | 西北矿冶研究院 | Beneficiation method for molybdenum-containing low-grade mixed copper ore |
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2016
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| US2449984A (en) * | 1944-04-10 | 1948-09-28 | Harold L Gibbs | Differential froth flotation of sulfide ores |
| CN104259009A (en) * | 2014-08-08 | 2015-01-07 | 西北矿冶研究院 | Copper-iron-sulfur separation composite inhibitor and high-sulfur refractory copper-iron ore beneficiation method |
| CN105435953A (en) * | 2015-11-18 | 2016-03-30 | 西北矿冶研究院 | Beneficiation method for molybdenum-containing low-grade mixed copper ore |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111558470A (en) * | 2020-04-28 | 2020-08-21 | 西北矿冶研究院 | Combined regulator for lead-zinc ore flotation |
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