CN102343303B - Method for separating ferro-silicon-aluminum products and vanadium-titanium-iron products from aluminum-vanadium-titanium-iron-silicon composite paragenetic minerals by adopting gradient magnetic separation process - Google Patents
Method for separating ferro-silicon-aluminum products and vanadium-titanium-iron products from aluminum-vanadium-titanium-iron-silicon composite paragenetic minerals by adopting gradient magnetic separation process Download PDFInfo
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Abstract
The invention discloses a method for separating ferro-silicon-aluminum products and vanadium-titanium-iron products from aluminum-vanadium-titanium-iron-silicon composite paragenetic minerals by adopting a gradient magnetic separation process. The method comprises the steps of: firstly, crushing the aluminum-vanadium-titanium-iron-silicon composite paragenetic minerals, and then performing a strong magnetic separation process on the crushed aluminum-vanadium-titanium-iron-silicon composite paragenetic minerals to obtain primary ferro-silicon-aluminum products and primary intermediate products; then performing sulfidizing treatment to separate sulphur deposits and secondary intermediate products from the primary intermediate products; and finally, performing weak magnetic separation process on the secondary intermediate products to obtain secondary ferro-silicon-aluminum products and vanadium-titanium-iron products. According to the invention, a plurality of subsidiary products are separated from raw ores in strong and weak magnetic separation manners, so that the manufacturing process is reduced, the production cost is saved, and the consumption of electric energy is reduced.
Description
Technical field
The present invention relates to method that mineral are separated, more particularly, refer to a kind of method of from the compound mineral intergrowth of aluminium vanadium ferrotianium silicon, isolating multiple accessory products, namely adopt gradient magnetic separation process and sulfide flotation auxiliary separating from the industrialized preparing process that obtains one-level ferro-silicon-aluminium, secondary ferro-silicon-aluminium, vanadium ferrotianium, sulphur concentrate.
Background technology
The raw ore in the different places of production (hair ore deposit) selects the smelting feasibility to be not quite similar.Generally select smelting substantially to divide two kinds for raw ore (hair ore deposit), a kind of is to obtain respectively industrial qualified iron ore concentrate and the ilmenite concentrate that can further process by ore dressing, and iron ore concentrate can pass through blast furnace process by being equipped with the high-grad iron ore deposit of some, obtains the pig iron; Ilmenite concentrate obtains high titanium slag by the carbon thermal reduction melting, further deep processing; Another raw ore (hair ore deposit) low to grade and the difficult smelting of difficult choosing is difficult to obtain qualified iron ore concentrate and ilmenite concentrate by the ore dressing means, does not have so far good way to process.
Middle Shan Metal mining Co., Ltd has the mineral resources in Ziyang, shaanxi peace ditch-Zhu Xihe, Langao official unit two mining areas.Reconnoitre Regional Geology And Mineral Resources research institute of exploitation office census operations result according to Shaanxi Province's geological and mineral, two mining areas estimate altogether and infer and about 3.5 hundred million tons of the ore resource amount of prediction, wherein titanium dioxide (TiO
2) 1691.03 ten thousand tons, vanadic anhydride (V
2O
5) 18.49 ten thousand tons.Deposit scale has reached large-scale.The mineral resources of this area are (mass percent) through the chemical analysis composition result that national ferrous materials test center analyzes:
| TFe | MgO | TiO 2 | MnO | FeO | SiO 2 | Fe 2O 3 | CaO |
| 19.96 | 4.04 | 7.30 | 0.25 | 8.00 | 33.51 | 19.40 | 7.41 |
| Al 2O 3 | V 2O 5 | K 2O | MFe | Na 2O | P | S | Sc |
| 13.15 | 0.18 | 0.82 | 0.17 | 1.59 | 0.15 | 0.56 | 0.0049 |
| Co | Ni | Cu | Burning subtracts | Cr 2O 3 | |||
| 0.011 | 0.0055 | ＜0.005 | 2.80 | ＜0.10 |
Data through upper table show the mineral deposit, aluminium vanadium ferrotianium silicon ore deposit that two mining areas distribute, ore bodies is stored in the diabase, contain multiple beneficial or the harmful elements such as iron, vanadium, titanium, aluminium, silicon, cobalt, calcium, magnesium, manganese, sulphur, phosphorus, scandium in the ore, the ore composite type is complicated, belongs to difficulty and selects the compound mineral intergrowth type of smelting complex aluminium vanadium ferrotianium silicon.
Summary of the invention
In order to separate the mineral resources that Ziyang, shaanxi is pacified ditch-Zhu Xihe, Langao official unit two mining areas, the present invention proposes a kind of method that adopts the gradient magnetic separation process from the compound mineral intergrowth of aluminium vanadium ferrotianium silicon, to isolate ferro-silicon-aluminium and vanadium ferrotianium product.The method is at first pulverized the compound mineral intergrowth of aluminium vanadium ferrotianium silicon, then the compound mineral intergrowth of aluminium vanadium ferrotianium silicon after pulverizing is carried out the high intensity magnetic separation process processing and obtains one-level ferro-silicon-aluminium product and one-level intermediate product; Then adopt method for floating to process and from the one-level intermediate product, isolate sulphide ore and secondary intermediate product, at last the secondary intermediate product is carried out the weak magnetic separation process processing and obtain secondary ferro-silicon-aluminium product and vanadium ferrotianium product.The present invention utilizes by force, the low intensity magnetic separation mode is separated multiple accessory products and reduced manufacture craft, saved production cost, reduced the consumption of electric energy from raw ore.
Can be as the raw material of smelting aluminium, Antaciron through one-level ferro-silicon-aluminium product and secondary ferro-silicon-aluminium product that the inventive method obtains.
Can be as the raw material of smelting titanium, vanadium iron metallic compound through the vanadium ferrotianium product that the inventive method obtains.
Can be as the raw material of smelting cobalt, nickel metal and sulphur product through the sulphur concentrate product that the inventive method obtains.
The present invention is a kind of method that adopts the gradient magnetic separation process to isolate ferro-silicon-aluminium and vanadium ferrotianium product from the compound mineral intergrowth of aluminium vanadium ferrotianium silicon, it is characterized in that including the following step:
Step 1: coarse crushing
Adopting the fragmentation of mechanical disintegration mode to obtain granularity the compound mineral intergrowth of aluminium vanadium ferrotianium silicon is 200 orders～400 purpose coarse crushing ore deposits;
Step 2: fine grinding ore deposit
Adopt grater to pulverize in the coarse crushing ore deposit, obtain granularity less than 200 purpose ore pulps;
The mass percent concentration of described ore pulp is 15～20%;
Step 3: high intensity magnetic separation divides
Dividing electric current with ore pulp at high intensity magnetic separation is that 8A～10A, magnetic field intensity are under 1.1T～1.3T condition, isolates one-level ferro-silicon-aluminium and one-level intermediate product;
Step 4: floating sulphur separate sulfur concentrate
(A) add entry in the one-level intermediate product, it is 25～30% one-level intermediate product ore pulp that configuration obtains mass percent concentration;
(B) in one-level intermediate product ore pulp, add after adjusting agent, collecting agent and foaming agent mix, obtain the one-level intermediate blend;
Add the adjusting agent of 150～200g, the collecting agent of 400～600g, the foaming agent of 140～180g in the one-level intermediate product of consumption: 1000Kg;
Adjusting agent can be sodium carbonate, sodium acid carbonate, NaOH, ammoniacal liquor, lime;
Collecting agent can be butyl xanthate, its xanthate of second, amido black medicine, butyl ammonium aerofloat, cresols black powder, lead ethyl xanthate nitrile ester;
Foaming agent can be terpenic oil, high alcohol oil, fusel oil, methyl anyl alcohol;
(C) the one-level intermediate blend was carried out flotation 5 minutes～10 minutes after, obtain sulphur concentrate and secondary intermediate product;
Step 5: low intensity magnetic separation divides
(A) add entry in the secondary intermediate product, it is 10～15% secondary intermediate product ore pulp that configuration obtains mass percent concentration;
(B) dividing electric current with secondary intermediate product ore pulp in low intensity magnetic separation is that 0.03A～0.05A, magnetic field intensity are under 0.09T～0.10T condition, isolates secondary ferro-silicon-aluminium and vanadium ferrotianium.
The present invention adopts the advantage of gradient magnetic separation process and the auxiliary separation method of sulfide flotation to be:
1. select one-level ferro-silicon-aluminium and secondary ferro-silicon-aluminium with the gradient magnetic method, at first realized the effective separation of vanadium ferrotianium and aluminium silicon.Wherein, the productive rate of one-level ferro-silicon-aluminium is 53～62%, and the sulphur concentrate yield is 1.9～2.4%, and the productive rate of vanadium ferrotianium is 19～25%, and the productive rate of secondary ferro-silicon-aluminium is 14～22%.
2. gradient magnetic separation, first strong after a little less than, can reclaim to greatest extent vanadium ferrotianium metal.
3. from high intensity magnetic separation is rough, select the sulphur concentrate with method for floating, reclaim sulphur, cobalt and the nickel of association in the ore deposit, realize comprehensive utilization of resources.
4. the flow process of industrialized producing technology of the present invention is lacked, is discharged without solid waste, realizes having saved on the other hand production cost under the prerequisite of cleaner production on the one hand, has reduced the consumption of electric energy.
Description of drawings
Fig. 1 is the suitability for industrialized production FB(flow block) that vanadium ferrotianium mixing ore deposit and ferro-silicon-aluminium mixing ore deposit are told in the present invention's gradient magnetic separation from the compound mineral intergrowth of aluminium vanadium ferrotianium silicon.
Fig. 2 is the XRD figure of the one-level ferro-silicon-aluminium product that makes through the inventive method.
Fig. 2 A be the one-level ferro-silicon-aluminium product that makes through the inventive method can spectrogram.
Fig. 3 is the XRD figure of the sulphur concentrate product that makes through the inventive method.
Fig. 3 A be the sulphur concentrate product that makes through the inventive method can spectrogram.
Fig. 4 is the XRD figure of the vanadium ferrotianium iron product that makes through the inventive method.
Fig. 4 A be the vanadium ferrotianium product that makes through the inventive method can spectrogram.
The specific embodiment
The present invention is described in further detail below in conjunction with drawings and Examples.
The ore structure that the present invention has taken into full account the raw ore (hair ore deposit) in Ziyang, shaanxi peace ditch-Zhu Xihe, Langao official unit two mining areas forms, and has formulated the industrialized producing technology that comprises gravity separation, magnetic separation, electric separation, flotation or its combination.Product after the separation includes one-level ferro-silicon-aluminium product, secondary ferro-silicon-aluminium product, vanadium ferrotianium product and sulphur concentrate.
In the present invention, the sulphur concentrate is by the troilite after selected, wherein comprises a small amount of cobalt sulfide and nickel sulfide.The sulphur concentrate can be used as the primary raw material of producing sulfuric acid and sulphur.Generally speaking, the sulphur concentrate can with the association of non-ferrous metal sulfide together.
In the present invention, vanadium ferrotianium product is not only the important sources of iron, and the Multicomponents such as the vanadium of association, titanium, chromium, cobalt, nickel, platinum family and scandium, has very high comprehensive utilization value.By special metallurgical method, the vanadium ferrotianium separates recovery, and also reclaims wherein chromium, cobalt, nickel, platinum family and scandium.
In the present invention, include the phyllosilicates such as chlorite, serpentine, kaolinite and biotite in one-level ferro-silicon-aluminium product and the secondary ferro-silicon-aluminium product.By special metallurgical method, obtain high alumina slag as the important source material of extracting aluminium oxide, obtain simultaneously Antaciron as deoxidizer in steel production.
Referring to shown in Figure 1, the present invention be a kind of from Ziyang, shaanxi Zhu Xi river-Langao official unit aluminium vanadium ferrotianium silicon mixings ore deposit employing gradient magnetic selection method isolate the industrialized producing technology of ferro-silicon-aluminium, vanadium ferrotianium, sulphur concentrate, its technique includes following production stage:
Step 1: coarse crushing
Adopting the fragmentation of mechanical disintegration mode to obtain granularity the compound mineral intergrowth of aluminium vanadium ferrotianium silicon is 200 orders～400 purpose coarse crushing ore deposits;
Step 2: fine grinding ore deposit
Adopt grater to pulverize in the coarse crushing ore deposit, obtain granularity less than 200 purpose ore pulps;
The mass percent concentration of described ore pulp is 15～20% (namely ore grinding is carried out in the coarse crushing ore deposit of the water of 100 weight portions and 15～20 weight portions);
Step 3: high intensity magnetic separation divides
Dividing electric current with ore pulp at high intensity magnetic separation is that 8A～10A, magnetic field intensity are under 1.1T～1.3T (tesla) condition, isolates one-level ferro-silicon-aluminium and one-level intermediate product;
In the present invention, to separate the one-level intermediate product main component that obtains be the mixing ore deposit of sulfur-bearing for this step;
Step 4: floating sulphur separate sulfur concentrate
(A) add entry in the one-level intermediate product, it is 25～30% one-level intermediate product ore pulp (namely the water of 100 weight portions mixes with the one-level intermediate product of 25～30 weight portions) that configuration obtains mass percent concentration;
(B) in one-level intermediate product ore pulp, add after adjusting agent, collecting agent and foaming agent mix, obtain the one-level intermediate blend;
Add the adjusting agent of 150～200g, the collecting agent of 400～600g, the foaming agent of 140～180g in the one-level intermediate product of consumption: 1000Kg;
In the present invention, adjusting agent can be sodium carbonate, sodium acid carbonate, NaOH, ammoniacal liquor, lime;
In the present invention, collecting agent can be butyl xanthate, its xanthate of second, amido black medicine, butyl ammonium aerofloat, cresols black powder, lead ethyl xanthate nitrile ester;
In the present invention, foaming agent can be terpenic oil, high alcohol oil, fusel oil, methyl anyl alcohol;
(C) the one-level intermediate blend was carried out flotation 5 minutes～10 minutes after, obtain sulphur concentrate and secondary intermediate product;
Step 5: low intensity magnetic separation divides
(A) add entry in the secondary intermediate product, it is 10～15% secondary intermediate product ore pulp (namely the water of 100 weight portions mixes with the secondary intermediate product of 10～15 weight portions) that configuration obtains mass percent concentration;
(B) dividing electric current with secondary intermediate product ore pulp in low intensity magnetic separation is that 0.03A～0.05A, magnetic field intensity are under 0.09T～0.10T (tesla) condition, isolates secondary ferro-silicon-aluminium and vanadium ferrotianium.
Can be as the raw material of smelting aluminium, Antaciron through one-level ferro-silicon-aluminium product and secondary ferro-silicon-aluminium product that the inventive method obtains.
Can be as the raw material of smelting titanium, vanadium iron metallic compound through the vanadium ferrotianium product that the inventive method obtains.
Can be as the raw material of smelting cobalt, nickel metal and sulphur product through the sulphur concentrate product that the inventive method obtains.
Step 1: coarse crushing
Adopt mechanical disintegration (PET-60 * 100 jaw crushers) mode fragmentation to obtain granularity less than 400 purpose coarse crushing ore deposits the compound mineral intergrowth of aluminium vanadium ferrotianium silicon;
The main component of the raw ore that uses in embodiment 1 (hair ore deposit) is (mass percent):
| TFe | MgO | TiO 2 | MnO | FeO | SiO 2 | Fe 2O 3 | CaO |
| 19.96 | 4.04 | 7.30 | 0.25 | 8.00 | 33.51 | 19.40 | 7.41 |
| Al 2O 3 | V 2O 5 | K 2O | MFe | Na 2O | P | S | Sc |
| 13.15 | 0.18 | 0.82 | 0.17 | 1.59 | 0.15 | 0.56 | 0.0049 |
| Co | Ni | Cu | Burning subtracts | Cr 2O 3 | |||
| 0.011 | 0.0055 | ＜0.005 | 2.80 | ＜0.10 |
Step 2: fine grinding ore deposit
Adopt grater (XMQ-240 * 90 ball mills) to pulverize in the coarse crushing ore deposit, obtain granularity less than 200 purpose ore pulps;
The mass percent concentration of described ore pulp is 20% (namely ore grinding is carried out in the coarse crushing ore deposit of the water of 100 weight portions and 20 weight portions);
Step 3: high intensity magnetic separation divides
Ore pulp being divided (XCSQ-Φ 50 * 70 Wet-type strong magnetic separators) electric current at high intensity magnetic separation is that 10A, magnetic field intensity are under 1.3T (tesla) condition, isolates one-level ferro-silicon-aluminium and one-level intermediate product;
The one-level ferro-silicon-aluminium is carried out XRD analysis, as shown in Figure 2.The one-level ferro-silicon-aluminium is carried out energy spectrum analysis, shown in Fig. 2 A.
The chemical composition analysis (wt%) of the one-level ferro-silicon-aluminium that makes through embodiment 1 method
| Sc | V 2O 5 | TiO 2 | TFe | Al 2O 3 | SiO 2 | CaO | MgO |
| 0.0010 | 0.063 | 1.82 | 10.67 | 19.02 | 43.21 | 8.39 | 3.38 |
In the present invention, 1000 kilograms the compound mineral intergrowth of aluminium vanadium ferrotianium silicon can be produced 576.3 kilograms of one-level ferro-silicon-aluminiums, and namely one-level ferro-silicon-aluminium productive rate reaches 57.63%.
Step 4: floating sulphur separate sulfur concentrate
(A) add entry in the one-level intermediate product, it is 30% one-level intermediate product ore pulp (namely the water of 100 weight portions mixes with the one-level intermediate product of 30 weight portions) that configuration obtains mass percent concentration;
(B) in one-level intermediate product ore pulp, add after sodium carbonate (adjusting agent), butyl xanthate (collecting agent) and terpenic oil (foaming agent) mix, obtain the one-level intermediate blend;
Add the adjusting agent of 200g, the collecting agent of 400g, the foaming agent of 180g in the one-level intermediate product of consumption: 1000Kg;
(C) the one-level intermediate blend is carried out flotation after 8 minutes, obtain sulphur concentrate and secondary intermediate product; XFD-1.0 is selected in flotation, 0.75 flotation device.
The sulphur concentrate is carried out CRD analyze, as shown in Figure 3.The sulphur concentrate is carried out energy spectrum analysis, as shown in Figure 3A.
The sulphur concentrate chemical composition analysis (wt%) that makes through embodiment 1 method
| Sc | Co | Ni | TiO 2 | TFe | SiO 2 |
| 0.0007 | 0.056 | 0.011 | 3.54 | 26.00 | 25.90 |
In the present invention, 1000 kilograms the compound mineral intergrowth of aluminium vanadium ferrotianium silicon can be produced 22 kilograms of sulphur concentrate, be that the sulphur concentrate yield is 2.2%, the analysis showed that, in the sulphur concentrate, S is enriched to more than 8%, and cobalt and nickel all obtain enrichment, cobalt nickel grade is respectively 0.056% and 0.011%, has reached the purpose of floating sulphur operation.
Step 5: low intensity magnetic separation divides
(A) add entry in the secondary intermediate product, it is 15% secondary intermediate product ore pulp (namely the water of 100 weight portions mixes with the secondary intermediate product of 15 weight portions) that configuration obtains mass percent concentration;
(B) dividing electric current with secondary intermediate product ore pulp in low intensity magnetic separation is that 0.05A, magnetic field intensity are under 0.10T (tesla) condition, isolates secondary ferro-silicon-aluminium and vanadium ferrotianium.
The vanadium ferrotianium is carried out CRD analyze, as shown in Figure 4.The vanadium ferrotianium is carried out energy spectrum analysis, shown in Fig. 4 A.
The vanadium ferrotianium chemical composition analysis (wt%) that makes through embodiment 1 method
| SiO 2 | TFe | TiO 2 | Al 2O 3 | CaO | MgO | V 2O 5 |
| 2.21 | 50.28 | 20.64 | 2.64 | 0.61 | 2.58 | 0.42 |
In the present invention, 1000 kilograms the compound mineral intergrowth of aluminium vanadium ferrotianium silicon can be produced 192 kilograms of vanadium ferrotianiums, and namely vanadium ferrotianium productive rate is 19.2%.
In the present invention, 1000 kilograms the compound mineral intergrowth of aluminium vanadium ferrotianium silicon can be produced 209.7 kilograms of secondary ferro-silicon-aluminiums, and namely secondary ferro-silicon-aluminium productive rate reaches 20.97%.
Step 1: coarse crushing
Adopting the fragmentation of mechanical disintegration mode to obtain granularity the compound mineral intergrowth of aluminium vanadium ferrotianium silicon is 200 purpose coarse crushing ore deposits;
The main component of the raw ore that uses in embodiment 2 (hair ore deposit) is (mass percent):
| TFe | MgO | TiO 2 | MnO | FeO | SiO 2 | Fe 2O 3 | CaO |
| 19.96 | 4.04 | 7.30 | 0.25 | 8.00 | 33.51 | 19.40 | 7.41 |
| Al 2O 3 | V 2O 5 | K 2O | MFe | Na 2O | P | S | Sc |
| 13.15 | 0.18 | 0.82 | 0.17 | 1.59 | 0.15 | 0.56 | 0.0049 |
| Co | Ni | Cu | Burning subtracts | Cr 2O 3 | |||
| 0.011 | 0.0055 | ＜0.005 | 2.80 | ＜0.10 |
Step 2: fine grinding ore deposit
Adopt grater to pulverize in the coarse crushing ore deposit, obtain granularity less than 200 purpose ore pulps;
The mass percent concentration of described ore pulp is 15% (namely ore grinding is carried out in the coarse crushing ore deposit of the water of 100 weight portions and 15 weight portions);
Step 3: high intensity magnetic separation divides
Dividing electric current with ore pulp at high intensity magnetic separation is that 8A, magnetic field intensity are under 1.3T (tesla) condition, isolates one-level ferro-silicon-aluminium and one-level intermediate product;
In the present invention, 1000 kilograms the compound mineral intergrowth of aluminium vanadium ferrotianium silicon can be produced 530.1 kilograms of one-level ferro-silicon-aluminiums, and namely one-level ferro-silicon-aluminium productive rate reaches 53.01%.
Step 4: floating sulphur separate sulfur concentrate
(A) add entry in the one-level intermediate product, it is 25% one-level intermediate product ore pulp (namely the water of 100 weight portions mixes with the one-level intermediate product of 25 weight portions) that configuration obtains mass percent concentration;
(B) in one-level intermediate product ore pulp, add after lime (adjusting agent), amido black medicine (collecting agent) and methyl anyl alcohol (foaming agent) mix, obtain the one-level intermediate blend;
Add the adjusting agent of 150g, the collecting agent of 600g, the foaming agent of 140g in the one-level intermediate product of consumption: 1000Kg;
(C) the one-level intermediate blend is carried out flotation after 5 minutes minutes, obtain sulphur concentrate and secondary intermediate product;
In the present invention, 1000 kilograms the compound mineral intergrowth of aluminium vanadium ferrotianium silicon can be produced 23.1 kilograms of sulphur concentrate, and namely the sulphur concentrate yield is 2.31%
Step 5: low intensity magnetic separation divides
(A) add entry in the secondary intermediate product, it is 10% secondary intermediate product ore pulp (namely the water of 100 weight portions mixes with the secondary intermediate product of 10 weight portions) that configuration obtains mass percent concentration;
(B) dividing electric current with secondary intermediate product ore pulp in low intensity magnetic separation is that 0.03A, magnetic field intensity are under 0.10T (tesla) condition, isolates secondary ferro-silicon-aluminium and vanadium ferrotianium.
In the present invention, 1000 kilograms the compound mineral intergrowth of aluminium vanadium ferrotianium silicon can be produced 243 kilograms of vanadium ferrotianiums, and namely vanadium ferrotianium productive rate is 24.3%.
In the present invention, 1000 kilograms the compound mineral intergrowth of aluminium vanadium ferrotianium silicon can be produced 203.8 kilograms of secondary ferro-silicon-aluminiums, and namely secondary ferro-silicon-aluminium productive rate reaches 20.38%.
Step 1: coarse crushing
Adopting the fragmentation of mechanical disintegration mode to obtain granularity the compound mineral intergrowth of aluminium vanadium ferrotianium silicon is 300 purpose coarse crushing ore deposits;
The main component of the raw ore that uses in embodiment 3 (hair ore deposit) is (mass percent):
| TFe | MgO | TiO 2 | MnO | FeO | SiO 2 | Fe 2O 3 | CaO |
| 19.96 | 4.04 | 7.30 | 0.25 | 8.00 | 33.51 | 19.40 | 7.41 |
| Al 2O 3 | V 2O 5 | K 2O | MFe | Na 2O | P | S | Sc |
| 13.15 | 0.18 | 0.82 | 0.17 | 1.59 | 0.15 | 0.56 | 0.0049 |
| Co | Ni | Cu | Burning subtracts | Cr 2O 3 | |||
| 0.011 | 0.0055 | ＜0.005 | 2.80 | ＜0.10 |
Step 2: fine grinding ore deposit
Adopt grater to pulverize in the coarse crushing ore deposit, obtain granularity less than 200 purpose ore pulps;
The mass percent concentration of described ore pulp is 20% (namely ore grinding is carried out in the coarse crushing ore deposit of the water of 100 weight portions and 20 weight portions);
Step 3: high intensity magnetic separation divides
Dividing electric current with ore pulp at high intensity magnetic separation is that 10A, magnetic field intensity are under 1.1T (tesla) condition, isolates one-level ferro-silicon-aluminium and one-level intermediate product;
In the present invention, 1000 kilograms the compound mineral intergrowth of aluminium vanadium ferrotianium silicon can be produced 605.1 kilograms of one-level ferro-silicon-aluminiums, and namely one-level ferro-silicon-aluminium productive rate reaches 60.51%.
Step 4: floating sulphur separate sulfur concentrate
(A) add entry in the one-level intermediate product, it is 30% one-level intermediate product ore pulp (namely the water of 100 weight portions mixes with the one-level intermediate product of 30 weight portions) that configuration obtains mass percent concentration;
(B) in one-level intermediate product ore pulp, add after NaOH (adjusting agent), cresols black powder (collecting agent) and fusel oil (foaming agent) mix, obtain the one-level intermediate blend;
Add the adjusting agent of 150～200g, the collecting agent of 400～600g, the foaming agent of 140～180g in the one-level intermediate product of consumption: 1000Kg;
(C) the one-level intermediate blend is carried out flotation after 8 minutes, obtain sulphur concentrate and secondary intermediate product;
In the present invention, 1000 kilograms the compound mineral intergrowth of aluminium vanadium ferrotianium silicon can be produced 19.4 kilograms of sulphur concentrate, and namely the sulphur concentrate yield is 1.94%.
Step 5: low intensity magnetic separation divides
(A) add entry in the secondary intermediate product, it is 12% secondary intermediate product ore pulp (namely the water of 100 weight portions mixes with the secondary intermediate product of 12 weight portions) that configuration obtains mass percent concentration;
(B) dividing electric current with secondary intermediate product ore pulp in low intensity magnetic separation is that 0.03A, magnetic field intensity are under 0.09T (tesla) condition, isolates secondary ferro-silicon-aluminium and vanadium ferrotianium.
In the present invention, 1000 kilograms the compound mineral intergrowth of aluminium vanadium ferrotianium silicon can be produced 230.5 kilograms of vanadium ferrotianiums, and namely vanadium ferrotianium productive rate is 23.05%.
In the present invention, 1000 kilograms the compound mineral intergrowth of aluminium vanadium ferrotianium silicon can be produced 145 kilograms of secondary ferro-silicon-aluminiums, and namely secondary ferro-silicon-aluminium productive rate reaches 14.50%.
Claims (5)
1. method that adopts the gradient magnetic separation process to isolate ferro-silicon-aluminium and vanadium ferrotianium product from the compound mineral intergrowth of aluminium vanadium ferrotianium silicon is characterized in that including the following step:
Step 1: coarse crushing
Adopting the fragmentation of mechanical disintegration mode to obtain granularity the compound mineral intergrowth of aluminium vanadium ferrotianium silicon is 200 orders～400 purpose coarse crushing ore deposits;
Step 2: fine grinding ore deposit
Adopt grater to pulverize in the coarse crushing ore deposit, obtain granularity less than 200 purpose ore pulps;
The mass percent concentration of described ore pulp is 15～20%, and namely ore grinding is carried out in the coarse crushing ore deposit of the water of 100 weight portions and 15～20 weight portions;
Step 3: high intensity magnetic separation divides
Dividing electric current with ore pulp at high intensity magnetic separation is that 8A～10A, magnetic field intensity are under 1.1T～1.3T condition, isolates one-level ferro-silicon-aluminium and one-level intermediate product;
Step 4: floating sulphur separate sulfur concentrate
(A) add entry in the one-level intermediate product, it is 25～30% one-level intermediate product ore pulp that preparation obtains mass percent concentration; The mass percent concentration of described one-level intermediate product ore pulp is 25～30% to refer to that the water of 100 weight portions mixes with the one-level intermediate product of 25～30 weight portions;
(B) in one-level intermediate product ore pulp, add after adjusting agent, collecting agent and foaming agent mix, obtain the one-level intermediate blend;
Add the adjusting agent of 150～200g, the collecting agent of 400～600g, the foaming agent of 140～180g in the one-level intermediate product of consumption: 1000Kg;
Adjusting agent is sodium carbonate, sodium acid carbonate, NaOH, ammoniacal liquor, lime;
Collecting agent is butyl xanthate, its xanthate of second, amido black medicine, butyl ammonium aerofloat, cresols black powder, lead ethyl xanthate nitrile ester;
Foaming agent is terpenic oil, high alcohol oil, fusel oil, methyl anyl alcohol;
(C) the one-level intermediate blend was carried out flotation 5 minutes～10 minutes after, obtain sulphur concentrate and secondary intermediate product;
Step 5: low intensity magnetic separation divides
(A) add entry in the secondary intermediate product, it is 10～15% secondary intermediate product ore pulp that preparation obtains mass percent concentration; The mass percent concentration of described secondary intermediate product ore pulp is 10～15% to refer to that the water of 100 weight portions mixes with the secondary intermediate product of 10～15 weight portions;
(B) dividing electric current with secondary intermediate product ore pulp in low intensity magnetic separation is that 0.03A～0.05A, magnetic field intensity are under 0.09T～0.10T condition, isolates secondary ferro-silicon-aluminium and vanadium ferrotianium.
2. employing gradient magnetic separation process according to claim 1 is isolated the method for ferro-silicon-aluminium and ferrotianium vanadium product from the compound mineral intergrowth of aluminium vanadium ferrotianium silicon, and it is characterized in that: the productive rate of the one-level ferro-silicon-aluminium that makes reaches 53～62%.
3. employing gradient magnetic separation process according to claim 1 is isolated the method for ferro-silicon-aluminium and ferrotianium vanadium product from the compound mineral intergrowth of aluminium vanadium ferrotianium silicon, and it is characterized in that: the productive rate of the sulphur concentrate that makes is 1.9～2.4%.
4. employing gradient magnetic separation process according to claim 1 is isolated the method for ferro-silicon-aluminium and vanadium ferrotianium product from the compound mineral intergrowth of aluminium vanadium ferrotianium silicon, and it is characterized in that: the productive rate of the secondary ferro-silicon-aluminium that makes reaches 19～25%.
5. employing gradient magnetic separation process according to claim 1 is isolated the method for ferro-silicon-aluminium and vanadium ferrotianium product from the compound mineral intergrowth of aluminium vanadium ferrotianium silicon, and it is characterized in that: the productive rate of the vanadium ferrotianium that makes is 14～22%.
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| CN103263965B (en) * | 2013-06-09 | 2015-01-07 | 秦兵 | Compound-fluidization staged deep processing purifying method of vanadium-titanium-iron concentrate |
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| CN104607296B (en) * | 2015-02-03 | 2017-02-22 | 沈阳隆基电磁科技股份有限公司 | Ilmenite beneficiation method and equipment |
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