CN109604070A - A kind of high-sulfur magnetic iron ore ore dressing medicament and its application method - Google Patents
A kind of high-sulfur magnetic iron ore ore dressing medicament and its application method Download PDFInfo
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- CN109604070A CN109604070A CN201811478344.8A CN201811478344A CN109604070A CN 109604070 A CN109604070 A CN 109604070A CN 201811478344 A CN201811478344 A CN 201811478344A CN 109604070 A CN109604070 A CN 109604070A
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- iron ore
- magnetic iron
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- 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
- B03D1/018—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
- 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
- B03D2203/00—Specified materials treated by the flotation agents; specified applications
- B03D2203/02—Ores
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- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The present invention relates to beneficiation reagent technical field, especially a kind of high-sulfur magnetic iron ore ore dressing medicament and its application method are configured to mixed solution using citric acid, tartaric acid, iron sulfide and water；Collecting medical fluid is configured to using diethyldithiocarbamate, vulcanized sodium and butyl ammonium aerofloat and water, admixing medical solutions are that 1:0.3-1.8 is mixed into high-sulfur magnetic iron ore ore dressing medicament according to volume ratio with collecting medical fluid, realize the activation to magnetic iron ore, ensure the separation between magnetic iron ore and magnetic iron ore, achieve the purpose that enhance desulfurization effect, the different high-sulfur magnetic iron ore desulfurization process of sulfur content can be applicable in, so that the sulfur content in iron ore concentrate after handling by flotation is reduced 0.15% hereinafter, iron ore concentrate yield has reached 91% or more.
Description
Technical field
The present invention relates to beneficiation reagent technical field, especially a kind of high-sulfur magnetic iron ore ore dressing medicament and its application side
Method.
Background technique
It is that ore grinding-magnetic-floats combined process flow that high-sulfur magnetic iron ore, which proposes iron sulfur reduction and generallys use, i.e., first by raw ore ore grinding to conjunction
Suitable grinding particle size first throws tail with low intensity magnetic separation, obtains the magnetite concentrate of Iron grade qualification, then carry out reverse flotation to magnetite concentrate and take off
Sulphur.Sulphur in high-sulfur magnetic iron ore mainly exists in the form of magnetic iron ore, and desulphurization problem is to restrict steel enterprise for a long time
One of an important factor for industry develops, becomes the common problem that entire industry faces.To make full use of sulfur-bearing ingredient higher
Iron ore resource, it is necessary to carry out desulfurization process.But since the specific susceptibility of magnetic iron ore and magnetic iron ore, specific gravity all connect very much
Closely, iron ore concentrate desulfurization is caused to become industry problems.
Research at present in terms of ore-dressing technique and medicament is more, but research degree is also immature, causes to high-sulfur iron
The effect of mine processing is undesirable.The document studied at present is numerous, such as Patent No. 201510913937.2 discloses desulfurization medicine
Agent is compounded using comprising citric acid, tartaric acid, oxalic acid, copper sulphate and water, and defines aqueous citric acid solution, winestone
Aqueous acid, copper sulfate solution, oxalic acid aqueous solution respective concentration be respectively 0.5-1.5 mass %；And in desulfurization medicament
In further include the collecting agent of total weight 0.01-10 weight %, and define the structure of collecting agent, make it possible to effective activation
Magnetic iron ore realizes the separation of magnetic iron ore and magnetic iron ore, improves desulfurization effect, allow sulfur content in iron ore concentrate down to
0.24% hereinafter, being up to 90% or more for the sulfur recovery rate in mixing iron concentrate, having taken into account the desulfurization effect of iron ore concentrate and returning
Yield.But the selection for the effective component that the desulfurization medicament of barricade uses is more stringent and harsh, and the collecting agent used is specific
Collecting agent ingredient causes the higher cost of medicament, causes the higher cost in ore dressing sweetening process.Therefore, for expanding desulfurization
The universality of effective component in medicament, the reasonably combined of medicament is often used using the prior art, so that improving to desulfurization effect enhances
The research of aspect is carried out, and one of the hot issue studied in current ore dressing desulfurization is also become.In consideration of it, this researcher
On the basis of long-term exploration and trial, by medicine component Rational choice and preparation, selected for high sulfide pyrite
Mine desulfurization provides New Desulphurizers.
Summary of the invention
In order to solve the above technical problems existing in the prior art, the present invention provides a kind of high-sulfur magnetic iron ore ore dressing use
Medicament and its application method.
It is achieved particular by following technical scheme:
High-sulfur magnetic iron ore ore dressing medicament, is configured to mixed solution using citric acid, tartaric acid, iron sulfide and water；It adopts
Collecting medical fluid is configured to diethyldithiocarbamate, vulcanized sodium and butyl ammonium aerofloat and water；Citric acid mass concentration in the mixed solution
For 1.7-2.5%, tartaric acid mass concentration be 0.8-1.2%, iron sulfide mass concentration is 0.01-0.07%；The collecting
Diethyldithiocarbamate mass concentration is 13-17% in medical fluid, vulcanized sodium mass concentration is 3-9%, butyl ammonium aerofloat mass concentration is 17-
21%；Wherein, admixing medical solutions are mixed with collecting medical fluid according to volume ratio for 1:0.3-1.8.
The admixing medical solutions are mixed with collecting medical fluid according to volume ratio for 1:1.1.
Citric acid mass concentration is 2.2% in the mixed solution, tartaric acid mass concentration is 0.9%, vulcanization irony
Measuring concentration is 0.06%.
Diethyldithiocarbamate mass concentration is 15% in the collecting medical fluid, vulcanized sodium mass concentration is 6%, butyl ammonium aerofloat quality
Concentration is 19%.
Above-mentioned high-sulfur magnetic iron ore ore dressing medicament, preparation process include mixed solution preparation steps, collecting drug solution preparing
Step, admixing medical solutions and collecting medical fluid mixing step；The mixed solution preparation steps are by citric acid, tartaric acid, vulcanization
Iron after mixing, is added to the water, and stirs evenly to obtain the final product；The collecting drug solution preparing step is by diethyldithiocarbamate, vulcanized sodium
After being uniformly mixed with butyl ammonium aerofloat, admix in water, stir evenly to obtain the final product；The admixing medical solutions and collecting medical fluid mixing step
Be by admixing medical solutions and collecting medical fluid according to volume ratio be uniformly mixed to get.
Above-mentioned high-sulfur magnet is added in floatation process in magnetic iron ore method in a kind of flotation removing iron concentrate containing high sulphur
After stirring evenly, foaming agent, flotation is added in ore beneficiation medicament.
Above-mentioned high-sulfur magnetic iron ore ore dressing is after mixed solution is prepared completion, individually to store with medicament；By collecting medicine
Liquid is prepared after completing, after being added in mixed solution, is immediately available for magnetic in flotation removing iron concentrate containing high sulphur in use, now matches
Pyrite.
Compared with prior art, the technical effect of the invention is embodied in:
Mixed solution is configured to using citric acid, tartaric acid, iron sulfide and water；It is black using diethyldithiocarbamate, vulcanized sodium and fourth ammonium
It is that 1:0.3-1.8 is mixed into high-sulfur magnet that medicine and water, which are configured to collecting medical fluid, admixing medical solutions and collecting medical fluid according to volume ratio,
Ore beneficiation medicament realizes the activation to magnetic iron ore, it is ensured that the separation between magnetic iron ore and magnetic iron ore reaches increasing
The purpose of strong desulfurization effect, can be applicable in the different high-sulfur magnetic iron ore desulfurization process of sulfur content, so that handling it by flotation
Sulfur content in iron ore concentrate afterwards is reduced 0.15% hereinafter, iron ore concentrate yield has reached 91% or more.
Specific embodiment
It is limited below with reference to specific embodiment technical solution of the present invention is further, but claimed
Range is not only limited to made description.
In following tests, the high-sulfur magnetic iron ore ore dressing of use is after mixed solution is prepared completion, individually with medicament
Storage；By collecting medical fluid in use, now matching, prepares after completing, after being added in mixed solution, be immediately available for flotation removing height
Magnetic iron ore in sulphur iron ore concentrate；Preparation process be include mixed solution preparation steps, collecting drug solution preparing step, admixing medical solutions with
Collecting medical fluid mixing step；The mixed solution preparation steps be by citric acid, tartaric acid, iron sulfide after mixing, add
Enter into water, stir evenly to obtain the final product；The collecting drug solution preparing step is to mix diethyldithiocarbamate, vulcanized sodium and butyl ammonium aerofloat
It after even, admixes in water, stirs evenly to obtain the final product；The admixing medical solutions and collecting medical fluid mixing step be by admixing medical solutions with catch
Receive medical fluid according to volume ratio be uniformly mixed to get.
Test 1
The high-sulfur magnetic iron ore from the Inner Mongol is fetched as raw material, raw ore analysis of chemical elements is shown in Table 1 and Fe clusters point
Analysis is shown in Table 2, sulphur material phase analysis and is shown in Table 3:
Table 1
| TFe | SiO2 | Al2O3 | CaO | MgO | |
| Content (%) | 56.83 | 4.91 | 1.17 | 3.92 | 3.18 |
| TS | SS | P | K2O | Na2O | CuO |
| 3.79 | 3.42 | 0.07 | 0.31 | 0.04 | 0.02 |
Table 2
| Iron phase iron-content (%) | Occupation rate about (%) | Remarks | |
| The iron of magnetic iron ore | 51.18 | 89.89 | Armco magnetic iron |
| The iron of magnetic iron ore | 2.83 | 4.97 | Armco magnetic iron |
| The iron of bloodstone | 1.38 | 2.43 | |
| The iron of siderite | 0.71 | 1.25 | |
| The iron of silicic acid iron ore | 0.26 | 0.46 | |
| The iron of pyrite | 0.57 | 1.00 | |
| Quan Tie | 56.93 | 100.00 |
Table 3
| Content (%) | Occupation rate about (%) | |
| Elemental sulfur | 0.015 | 0.387 |
| The sulphur of magnetic sulfide | 2.32 | 59.871 |
| The sulphur of sulfate | 1.01 | 26.065 |
| The sulphur of other sulfide | 0.53 | 13.677 |
| Full sulphur | 3.875 | 100.000 |
By above-mentioned analysis, the grade of the high-sulfur magnetic iron ore of use is more excellent, main impurity containing TS, reaches 3.79%, and
And wherein 59.871% presence in the form of magnetic iron ore, therefore, magnetic iron ore belongs to strongly magnetic mineral, in low intensity magnetic separation process
In, magnetic iron ore enters in inferior fine magnetite concentrate together, is difficult to remove magnetic iron ore using single low intensity magnetic separation, needs using flotation removing.
For this purpose, this researcher is in this experiment, using above-mentioned high-sulfur magnetic iron ore as raw material, according in the prior art
Beneficiation method is handled, and as the flotation flowsheet introduced in Patent No. 201510913937.2 carries out flotation processing, and is being located
It carries out mixed solution and collecting medical fluid to be hybridly prepared into desulfurizing agent (high-sulfur magnetic iron ore ore dressing medicament) before reason, using butyl
Xanthate is added in sequence as No. 2 oil of collecting agent and foaming agent, and by No. 2 desulfurizing agent, butyl xanthate, foaming agent oil, selected
Once halve with section dosing is scanned, specific desulfurizing agent, butyl xanthate, foaming agent 2 oily dosages are according to prior art introduction
Dosage handled, and the specific formula of desulfurizing agent is prepared referring to shown in the following table 4:
Table 4
And the high-sulfur magnetic iron ore active flotation desulfurization test effect of above-mentioned variation 1-4 processing is detected, result is such as
Shown in the following table 5:
Table 5
Can explicitly it be found out by the test result of table 5, the medicament of the invention combines roughing in the prior art, sweeps
The processing of the techniques such as choosing, selected can have the selection of extraordinary removal effect and removing to the desulfurization effect of magnetic iron ore
Property, so that the sulfur content in iron ore concentrate has been reduced to 0.13% or so, instead of high-sulfur magnetic iron ore flotation in the prior art
With desulfurizing agent, floatation desulphurization cost in the prior art is reduced, providing for the preparation of desulfurizing agent and the selection of raw material can
Alternative operation scheme.
By above-mentioned test result as it can be seen that control amount for effective component in each medicament, it will the influence of high degree
Processing result, therefore, reasonable medicament amount of allocating and proportion, it will help the desulfurization effect in high-sulfur magnetic iron ore is improved and is increased
By force.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of high-sulfur magnetic iron ore ore dressing medicament, which is characterized in that prepared using citric acid, tartaric acid, iron sulfide and water
At mixed solution；Collecting medical fluid is configured to using diethyldithiocarbamate, vulcanized sodium and butyl ammonium aerofloat and water；Lemon in the mixed solution
Lemon acid mass concentration is 1.7-2.5%, tartaric acid mass concentration is 0.8-1.2%, iron sulfide mass concentration is 0.01-
0.07%；Diethyldithiocarbamate mass concentration is 13-17% in the collecting medical fluid, vulcanized sodium mass concentration is 3-9%, butyl ammonium aerofloat
Mass concentration is 17-21%；Wherein, admixing medical solutions are mixed with collecting medical fluid according to volume ratio for 1:0.3-1.8.
2. high-sulfur magnetic iron ore ore dressing medicament as described in claim 1, which is characterized in that the admixing medical solutions and collecting
Medical fluid is mixed according to volume ratio for 1:1.1.
3. high-sulfur magnetic iron ore ore dressing medicament as described in claim 1, which is characterized in that lemon in the mixed solution
Sour mass concentration is 2.2%, tartaric acid mass concentration is 0.9%, iron sulfide mass concentration is 0.06%.
4. high-sulfur magnetic iron ore ore dressing medicament as described in claim 1, which is characterized in that second sulphur in the collecting medical fluid
Nitrogen concentration is 15%, vulcanized sodium mass concentration is 6%, butyl ammonium aerofloat mass concentration is 19%.
5. the high-sulfur magnetic iron ore ore dressing medicament as described in claim any one of 1-4, which is characterized in that preparation process includes mixed
Close solution preparation steps, collecting drug solution preparing step, admixing medical solutions and collecting medical fluid mixing step；The mixed solution is prepared
Step be by citric acid, tartaric acid, iron sulfide after mixing, be added to the water, stir evenly to obtain the final product；The collecting medical fluid
Preparation steps are after being uniformly mixed diethyldithiocarbamate, vulcanized sodium and butyl ammonium aerofloat, to admix in water, stir evenly to obtain the final product；Described
Admixing medical solutions and collecting medical fluid mixing step be by admixing medical solutions and collecting medical fluid according to volume ratio be uniformly mixed to get.
6. any one of claim 1-5 is added in floatation process in a kind of magnetic iron ore method in flotation removing iron concentrate containing high sulphur
After stirring evenly, foaming agent, flotation is added in the high-sulfur magnetic iron ore ore dressing medicament.
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