CN104694738A - A preparing method of vanadium-titanium sintered ore - Google Patents
A preparing method of vanadium-titanium sintered ore Download PDFInfo
- Publication number
- CN104694738A CN104694738A CN201310655665.1A CN201310655665A CN104694738A CN 104694738 A CN104694738 A CN 104694738A CN 201310655665 A CN201310655665 A CN 201310655665A CN 104694738 A CN104694738 A CN 104694738A
- Authority
- CN
- China
- Prior art keywords
- weight
- content
- sintering
- sinter mixture
- concentrate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/16—Sintering; Agglomerating
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/24—Binding; Briquetting ; Granulating
- C22B1/2406—Binding; Briquetting ; Granulating pelletizing
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
A preparing method of vanadium-titanium sintered ore is disclosed. The method includes: pelletizing a sintering material mixture, distributing, pressing and sintering in sequence. Sintering raw materials comprise vanadium-titanium-iron concentrate, common iron concentrate, common ore fines, rich ore powder, a solvent and fuel. Based on the total weight of the sintering material mixture, the content of the vanadium-titanium-iron concentrate is 47-50% by weight, the content of the common iron concentrate is 8-10% by weight, the content of the common ore fines is 6-8% by weight, the content of the rich ore powder is 10-13% by weight, the content of the solvent is 10-13% by weight, and the content of the fuel is 3.5-4.5% by weight. Blast furnace gas is adopted for sintering ignition, the sintering ignition temperature is 950-970 DEG C, the sintering ignition time is 10-15 min, and the vacuum degree during a sintering process is 11-12 KPa. The method has advantages of a low cost and capability of fully utilizing the blast furnace gas.
Description
Technical field
The present invention relates to a kind of preparation method of vanadium titanium agglomerate.
Background technology
Blast furnace gas is the important secondary energy of iron and steel enterprise, accounts for 64% of " three gas " (blast furnace gas, coal gas of converter, coke-oven gas) total amount, accounts for more than 12% of whole industry total energy consumption.Because blast furnace gas also exists calorific value low (CO, H
2content is few), high, the ignition difficulties of point of ignition, and to fluctuate along with ironmaking production change, the shortcoming such as pressure, instability of flow, therefore, although blast furnace gas enormous amount, and its application fails to solve well always, and the bleeding rate at present whole nation is average still about 6%.
The per day output of blast furnace coal gas is about 1,000,000 m
3/ more than h, except supply blast funnace hot blast stove, coke oven and rolling system etc. use, also have an appointment m more than 20,000
3the blast furnace gas of/h diffuses burning because lacking user to sky, bleeding rate about about 2%, and amount to mark 1.8 ten thousand tons, coal, enormous amount, both wasted resource, polluted environment again, and increased production cost.And in vanadium titanium agglomerate SINTERING PRODUCTION, need the solid fuel (coke powder, hard coal) with addition of more than 4.8 % by weight, and this solid fuel is higher containing S, produces a large amount of SO after burning
2contaminate environment.Particularly when current original fuel supply outside atmosphere deterioration, production coal wretched insufficiency, the blast furnace gas diffused at present is used for replace coal to have great importance as industrial fuel.
Summary of the invention
The object of the present invention is to provide a kind of cost low, and the preparation method of the new vanadium titanium agglomerate of blast furnace gas can be made full use of.
To achieve these goals, the invention provides a kind of preparation method of vanadium titanium agglomerate, wherein, the method comprises: carry out cloth, binder and sintering successively by after sinter mixture pelletizing, and described raw materials for sintering contains sefstromite concentrate, common iron ore concentrate, common fine ore, rich ore powder, solvent and fuel; With the gross weight of sinter mixture for benchmark, the content of described sefstromite concentrate is 47-50 % by weight, the content of described common iron ore concentrate is 8-10 % by weight, described common fine ore is 6-8 % by weight, the content of described rich ore powder is 10-13 % by weight, the content of described solvent is 10-13 % by weight, and the content of described fuel is 3.5-4.5 % by weight; Wherein, adopt blast furnace gas to carry out sintering ignition, the ignition temperature of described sintering is 950-970 DEG C, and the ignition time of sintering is 10-15min, and the vacuum tightness in described sintering process is 11-12kPa.
The present invention also provides a kind of vanadium titanium agglomerate prepared by aforesaid method.
By technique scheme, the present invention has following effect:
1) utilization ratio of blast furnace gas can be improved greatly, reduce and sky is diffused, make full use of secondary resource;
2) usage quantity of sintering solid fuel (such as hard coal) can be reduced greatly, alleviate the situation of resource anxiety;
3) can production cost be reduced, protection of the environment, sintered ore rotary drum strength and yield rate can be improved simultaneously.
Other features and advantages of the present invention are described in detail in embodiment part subsequently.
Embodiment
Below the specific embodiment of the present invention is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
The preparation method of vanadium titanium agglomerate provided by the invention comprises: carry out cloth, binder and sintering successively by after sinter mixture pelletizing, and described raw materials for sintering contains sefstromite concentrate, common iron ore concentrate, common fine ore, rich ore powder, solvent and fuel; With the gross weight of sinter mixture for benchmark, the content of described sefstromite concentrate is 47-50 % by weight, the content of described common iron ore concentrate is 8-10 % by weight, described common fine ore is 6-8 % by weight, the content of described rich ore powder is 10-13 % by weight, the content of described solvent is 10-13 % by weight, and the content of described fuel is 3.5-4.5 % by weight; Wherein, adopt blast furnace gas to carry out sintering ignition, the ignition temperature of described sintering is 950-970 DEG C, and the ignition time of sintering is 10-15min, and the vacuum tightness in described sintering process is 11-12kPa.
According to the present invention, described blast furnace gas is the byproduct produced in iron manufacturing process, specifically, in iron manufacturing process, high pressure blower (roots blower) air blast, and enter blast furnace after being heated by hotblast stove, this hot blast and coke combustion-supporting, generation be carbonic acid gas and carbon monoxide, carbonic acid gas produces carbon monoxide with hot coke again, carbon monoxide, in the process risen, reduces the ferro element in iron ore, makes it to become the pig iron.Molten iron temporarily retains at furnace bottom, and timing is released and is used for direct steelmaking or ingot casting.Now in the furnace gas of blast furnace, also have superfluous carbon monoxide, this mixed gas is exactly " blast furnace gas ".
In the present invention, with volume percentage, described blast furnace gas contains: the CO of 23 ~ 26%, the CO of 15 ~ 18%
2, the N of 55 ~ 58%
2, the H of 1 ~ 3%
2, the O of 0.2 ~ 0.5%
2, the CH of 0.2 ~ 0.5%
4.Preferably, with volume percentage, described blast furnace gas contains: the CO of 24 ~ 26%, the CO of 15 ~ 17%
2, the N of 55 ~ 57%
2, the H of 2 ~ 3%
2, the O of 0.3 ~ 0.5%
2, the CH of 0.3 ~ 0.5%
4.
According to the present invention, described raw materials for sintering contains sefstromite concentrate, common iron ore concentrate, common fine ore, rich ore powder, solvent and fuel; With the gross weight of sinter mixture for benchmark, the content of described sefstromite concentrate is 47-50 % by weight, the content of described common iron ore concentrate is 8-10 % by weight, described common fine ore is 6-8 % by weight, the content of described rich ore powder is 10-13 % by weight, the content of described solvent is 10-13 % by weight, and the content of described fuel is 3.5-4.5 % by weight.
Preferably, with the gross weight of sinter mixture for benchmark, the content of described sefstromite concentrate is 47.5-50 % by weight, the content of described common iron ore concentrate is 8.5-9.8 % by weight, described common fine ore is 6.3-7.8 % by weight, the content of described rich ore powder is 10.5-12.5 % by weight, the content of described solvent is 10.5-12.8 % by weight, and the content of described fuel is 3.6-4.4 % by weight.
More preferably, with the gross weight of sinter mixture for benchmark, the content of described sefstromite concentrate is 47.5-49.5 % by weight, the content of described common iron ore concentrate is 9.3-9.8 % by weight, described common fine ore is 7-7.8 % by weight, the content of described rich ore powder is 12-12.5 % by weight, the content of described solvent is 12.2-12.3 % by weight, and the content of described fuel is 3.6-4.4 % by weight.
According to the present invention, preferably, described solvent is Wingdale and quickened lime, and with the gross weight of sinter mixture for benchmark, the content of described Wingdale is 7-9 % by weight, and the content of described quickened lime is 4-5 % by weight.More preferably, with the gross weight of sinter mixture for benchmark, the content of described Wingdale is 6-7.8 % by weight, and the content of described quickened lime is 4.5-5 % by weight.
In the present invention, the main component of described Wingdale is calcium carbonate, the oxide compound generally also containing a small amount of iron, magnesium, aluminium, silicon etc.Described quickened lime can be usually used in the quickened lime in sintering process for this area.Described quickened lime is also called high reaction lime or soft calcined lime, the lime that a kind of purity is high, have that volume density is little, void content is high (being generally more than 50%), crystallization is thin, intensity is large, specific surface area is large, sulphur content is little and the feature such as reversed stress is strong, therefore, be widely used in sintering process.Preferably, in described quickened lime, the content of CaO is 90-95 % by weight.The activity degree of described quickened lime is preferably 280-400mL.
In the present invention, when not doing contrary explanation, the term " activity degree " of use represents by the speed of response of lime and water usually, namely at normal atmospheric pressure, in 10min, 50g lime to be dissolved in 40 DEG C of thermostat(t)ed waters consume the milliliter number of the 4N HCl aqueous solution.
According to the present invention, described sefstromite concentrate refers to vanadium and the higher various iron ore concentrates of titanium elements content.Under normal circumstances, the main component of sefstromite concentrate is TFe:53-56 % by weight, FeO:30-35 % by weight, SiO
2: 3-4 % by weight, V
2o
5: 0.1-1 % by weight, TiO
2: 10-13 % by weight.Concentrate and/or Baima concentrate is preferably climbed as such sefstromite concentrate.More preferably use simultaneously climb concentrate and Baima concentrate, when using, the weight ratio of climbing concentrate and Baima concentrate can be 1.5-2:1 simultaneously.
Described common iron ore concentrate is generally the iron ore not containing v element and titanium elements, and main component is TFe:60-63 % by weight, FeO:24-27 % by weight.
The main component of described rich ore powder is TFe:60-63 % by weight, FeO:0.5-1 % by weight, SiO
2: 3-5 % by weight.Be preferably Australian fine ore.
The main component of described common fine ore is TFe:52-55 % by weight, FeO:12-16 % by weight, SiO
2: 10-13 % by weight.Such as can use the common middle grade fine ore produced purchased from Xichang City Ningnan iron ore company or Lugu iron mine company.
According to the present invention, in order to realize utilization of waste material, reduce the impact on environment, preferably, described sinter mixture is also containing iron-bearing auxiliary material.Have no particular limits the content of described iron-bearing auxiliary material, with the gross weight of sinter mixture for benchmark, the content of described iron-bearing auxiliary material is preferably 2.5-3.5 weight part.Described iron-bearing auxiliary material can be the various iron-bearing auxiliary materials that this area routine uses, and its TFe content is generally 25-60 % by weight.Such as, described iron-bearing auxiliary material can be selected from one or more in gas ash, slag and dedusting mud; Be preferably gas ash.Described gas ash, slag and dedusting mud are the solid waste that ironmaking or field of steel-making routine produce, and directly can use the above-mentioned solid waste that blast furnace and steel-making produce, also can by commercially available.Usually:
In gas ash, TFe content is generally 30-45 % by weight, and carbon content is generally 8-20 % by weight.
In slag, CaO content is generally 30-40 % by weight, and content of MgO is generally 5-7 % by weight, FeO content and is generally 4-5 % by weight, SiO2 content and is generally 7-8 % by weight.
In dedusting mud, TFe content is generally 27-65 % by weight, SiO
2content is generally 2-10 % by weight, V
2o
5content is generally 0.01-0.3 % by weight, CaO content and is generally 1-9 % by weight.
According to the present invention, described fuel for can the various fuel commonly used by this area, can be such as coke powder and/or coal; Be preferably coal; Be more preferably hard coal.
In addition, in the present invention, in order to make full use of blast furnace gas further, in preferred described fuel, the granule content of below 3mm is 75-80 % by weight; Be more preferably 76-79 % by weight.
According to the present invention, the method for described pelletizing can be conventional pelletizing process.Such as, the mode of sinter mixture pelletizing is generally comprised sinter mixture to mix with water and carry out pelletizing.Under preferable case, the mode of being granulated by raw materials for sintering is for carrying out one dark even two mixed granulation successively by raw materials for sintering.
Usually, a dark even method comprises sinter mixture and water mixing 2-4min, and relative to the sinter mixture of 100 weight parts, water consumption when drifting along or through even is 6.8-7.1 weight part.
Usually, two mixed methods of granulating comprise dark even products therefrom and a water mixing 2-4min, and relative to the sinter mixture of 100 weight parts, water consumption during two mixed granulations is 7.3-7.5 weight part.
In the present invention, the 3mm granule content that is greater than after preferred sinter mixture pelletizing (or granulation) is 65-75 % by weight; Be more preferably 72-75 % by weight.
According to the present invention, make bed thickness be 620-630mm by cloth, and carry out binder after cloth.Bed thickness brought up in above-mentioned scope, can control sintering velocity, and utilize the effect of bed of material auto accumulation heat to reduce mixed carbon comtent, in order to improve above-mentioned effect further, described bed thickness is preferably 624-630mm.After cloth, carry out binder, make the bulk density of raw materials for sintering increase, raw materials for sintering particle contacts is tight, effectively can reduce sintering velocity, extends high temperature hold time, makes crystallizable mineral more abundant.In order to improve above-mentioned effect further, described binder makes the bed of material depress 20-40mm, and preferred described binder makes the bed of material depress 30-40mm.
According to the present invention, under preferable case, the ignition temperature of described sintering is 955-965 DEG C, and the ignition time of sintering is 12-14min.In the present invention, be more than 12min by the ignition time of sintering, have and increase the supply of sintering process net heat, improve the advantage of Sintering Yield and quality.
According to the present invention, under preferable case, the vacuum tightness in described sintering process is 11.4-12kPa.
The present invention also provides a kind of vanadium titanium agglomerate prepared by aforesaid method.
Below in conjunction with embodiment, the present invention is further described, but the present invention is not limited in following embodiment.
In following examples and comparative example, the main component of each raw material of sampling and measuring is as shown in table 1, and wherein rich ore powder is Australian fine ore; Common fine ore is the common middle grade fine ore that Ningnan, Xichang mine company produces; Gas ash is that Pan Gang group Pan Gang vanadium company limited's iron work and steelworks are produced; Climb concentrate and be purchased from Pan Gang mining company; Baima concentrate is purchased from Pan Gang Baima mine company; Common iron ore concentrate is purchased from Panzhihua City one and founds mining industry limited-liability company.
Table 1
| TFe | FeO | SiO 2 | V 2O 5 | TiO 2 | |
| Climb concentrate | 53.93 | 32.55 | 3.50 | 0.549 | 12.78 |
| Baima concentrate | 55.46 | 32.97 | 3.83 | 0.674 | 10.38 |
| Rich ore powder | 61.63 | 0.724 | 3.80 | ＜0.01 | 0.213 |
| Common fine ore | 53.0 | 12.06 | 11.0 | - | - |
| Common iron ore concentrate | 61.62 | 25.47 | 1.59 | - | - |
| Gas ash | 37.10 | 10.29 | 7.26 | 0.039 | 0.293 |
Note: "-" represents and do not contain.
In following examples and comparative example, anthracitic carbon content is 64.73 % by weight, and volatilization is divided into 8.46 % by weight, ash content is 26.32 % by weight, and in hard coal, the granule content of below 3mm is 77.26 % by weight; The CaO content of quickened lime is 95 % by weight; The CaO content of Wingdale is 53.96 % by weight.
In following examples and comparative example, the measuring method of the barrate strength of finished product agglomerate is as follows:
According to the ISO barrate strength of GB13242 definition, after referring to that get 7.5 kilograms of 40-10mm agglomerate rotates 200 turns in ISO drum unit, > 6.3mm grade agglomerate accounts for the per-cent of whole agglomerate weight, it is the important indicator weighing sinter strength, higher, represent that the intensity of agglomerate is better.SQZG-4 type ISO drum unit (Hebi City metallurgical machinery equipment company limited) is adopted to measure in the present invention.
The method of calculation of yield rate are: pour out after agglomerate is burned, carry out naturally cooling, fall 2 times, sieve from 2m eminence, get the percent basis yield rate of > 10mm grain size content.
Embodiment 1
The kind recorded by table 2 by raw materials for sintering and consumption carry out mixed pelletizing (carrying out one dark even two mixed modes of granulating successively), then, sinter mixture after pelletizing is added on sintering pallet and carry out cloth, make the height of the bed of material be 624mm, then carry out binder and make the bed of material depress 30mm.Blast furnace gas is adopted (with volume percentage, to contain: the CO of 26%, the CO of 15%
2, the N of 55%
2, the H of 3%
2, the O of 0.5%
2, the CH of 0.5%
4) carry out sintering ignition, at ignition temperature is 965 DEG C, igniting 12min, sinters, obtains agglomerate under vacuum tightness is 11.4kPa.Wherein, the intensity of yield rate, output, solid fuel consumption, agglomerate is as shown in table 2.
Embodiment 2
The kind recorded by table 2 by raw materials for sintering and consumption carry out mixed pelletizing (carrying out one dark even two mixed modes of granulating successively), then, sinter mixture after pelletizing is added on sintering pallet and carry out cloth, make the height of the bed of material be 627mm, then carry out binder and make the bed of material depress 35mm.Blast furnace gas is adopted (with volume percentage, to contain: the CO of 24.7%, the CO of 16%
2, the N of 56%
2, the H of 2.5%
2, the O of 0.4%
2, the CH of 0.4%
4) carry out sintering ignition, at ignition temperature is 960 DEG C, igniting 13min, sinters, obtains agglomerate under vacuum tightness is 11.7kPa.Wherein, the intensity of yield rate, output, solid fuel consumption, agglomerate is as shown in table 2.
Embodiment 3
The kind recorded by table 2 by raw materials for sintering and consumption carry out mixed pelletizing (carrying out one dark even two mixed modes of granulating successively), then, sinter mixture after pelletizing is added on sintering pallet and carry out cloth, make the height of the bed of material be 630mm, then carry out binder and make the bed of material depress 40mm.Blast furnace gas is adopted (with volume percentage, to contain: the CO of 24%, the CO of 17%
2, the N of 57%
2, the H of 1.4%
2, the O of 0.3%
2, the CH of 0.3%
4) carry out sintering ignition, at ignition temperature is 955 DEG C, igniting 14min, sinters, obtains agglomerate under vacuum tightness is 12kPa.Wherein, the intensity of yield rate, output, solid fuel consumption, agglomerate is as shown in table 2.
Embodiment 4
The kind recorded by table 2 by raw materials for sintering and consumption carry out mixed pelletizing (carrying out one dark even two mixed modes of granulating successively), then, sinter mixture after pelletizing is added on sintering pallet and carry out cloth, make the height of the bed of material be 620mm, then carry out binder and make the bed of material depress 25mm.Blast furnace gas is adopted (with volume percentage, to contain: the CO of 23%, the CO of 18%
2, the N of 57.6%
2, the H of 1%
2, the O of 0.2%
2, the CH of 0.2%
4) carry out sintering ignition, at ignition temperature is 950 DEG C, igniting 10min, sinters, obtains agglomerate under vacuum tightness is 11kPa.Wherein, the intensity of yield rate, output, solid fuel consumption, agglomerate is as shown in table 2.
Comparative example 1
The kind recorded by table 1 by raw materials for sintering and consumption carry out mixed pelletizing (carrying out one dark even two mixed modes of granulating successively), then, sinter mixture after pelletizing is added on sintering pallet and carry out cloth, make the height of the bed of material be 610mm, then carry out binder and make the bed of material depress 10mm.Coke-oven gas is adopted (with volume percentage, to contain: the CO of 5%, the CO of 1.7%
2, the N of 7%
2, the H of 60%
2, the O of 0.3%
2, the CH of 26%
4) carry out sintering ignition, at ignition temperature is 1050 DEG C, igniting 2min, sinters, obtains agglomerate under vacuum tightness is 12kPa.Wherein, the intensity of yield rate, output, solid fuel consumption, agglomerate is as shown in table 2.
Table 2
By above-described embodiment and comparative example known, blast furnace gas can be effectively utilized by sintering method of the present invention, effectively can reduce the usage quantity of sintering solid fuel (such as hard coal), and compare and use coke-oven gas to sinter, sintered ore rotary drum strength and yield rate can also be improved.
More than describe the preferred embodiment of the present invention in detail; but the present invention is not limited to the detail in above-mentioned embodiment, within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
Claims (10)
1. the preparation method of a vanadium titanium agglomerate, it is characterized in that, the method comprises: carry out cloth, binder and sintering successively by after sinter mixture pelletizing, and described raw materials for sintering contains sefstromite concentrate, common iron ore concentrate, common fine ore, rich ore powder, solvent and fuel; With the gross weight of sinter mixture for benchmark, the content of described sefstromite concentrate is 47-50 % by weight, the content of described common iron ore concentrate is 8-10 % by weight, described common fine ore is 6-8 % by weight, the content of described rich ore powder is 10-13 % by weight, the content of described solvent is 10-13 % by weight, and the content of described fuel is 3.5-4.5 % by weight; Wherein, adopt blast furnace gas to carry out sintering ignition, the ignition temperature of described sintering is 950-970 DEG C, and the ignition time of sintering is 10-15min, and the vacuum tightness in described sintering process is 11-12kPa.
2. method according to claim 1, wherein, with volume percentage, described blast furnace gas contains: the CO of 23 ~ 26%, the CO of 15 ~ 18%
2, the N of 55 ~ 58%
2, the H of 1 ~ 3%
2, the O of 0.2 ~ 0.5%
2, the CH of 0.2 ~ 0.5%
4.
3. method according to claim 1, wherein, the ignition temperature of described sintering is 955-965 DEG C, and the ignition time of sintering is 12-14min.
4. method according to claim 1, wherein, with the gross weight of sinter mixture for benchmark, the content of described sefstromite concentrate is 47.5-49.5 % by weight, the content of described common iron ore concentrate is 9.3-9.8 % by weight, described common fine ore is 7-7.8 % by weight, the content of described rich ore powder is 12-12.5 % by weight, the content of described solvent is 12.2-12.3 % by weight, and the content of described fuel is 3.6-4.4 % by weight.
5. method according to claim 1, wherein, described solvent is Wingdale and quickened lime, and with the gross weight of sinter mixture for benchmark, the content of described Wingdale is 7-9 % by weight, and the content of described quickened lime is 4-5 % by weight.
6. according to the method in claim 1-5 described in any one, wherein, described fuel is coke powder and/or coal; Be preferably hard coal.
7. method according to claim 6, wherein, in fuel, the granule content of below 3mm is 75-80 % by weight.
8. method according to claim 1, wherein, by the mode of sinter mixture pelletizing for raw materials for sintering being carried out successively one dark even two mixed granulation; Described one dark even method comprises and being mixed with water by sinter mixture, and relative to the sinter mixture of 100 weight parts, water consumption when drifting along or through even is 6.8-7.1 weight part; Two mixed methods of granulating comprise a dark even products therefrom mix with water after granulate, relative to the sinter mixture of 100 weight parts, two water consumptions when mixing granulation are 7.3-7.5 weight part.
9. method according to claim 1, wherein, described cloth makes bed thickness be 620-630mm; Described binder makes the bed of material depress 20-40mm.
10. the vanadium titanium agglomerate prepared by the method in claim 1-9 described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310655665.1A CN104694738B (en) | 2013-12-06 | 2013-12-06 | A kind of preparation method of vanadium-titanium magnitite sinter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310655665.1A CN104694738B (en) | 2013-12-06 | 2013-12-06 | A kind of preparation method of vanadium-titanium magnitite sinter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104694738A true CN104694738A (en) | 2015-06-10 |
| CN104694738B CN104694738B (en) | 2017-08-01 |
Family
ID=53342282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310655665.1A Expired - Fee Related CN104694738B (en) | 2013-12-06 | 2013-12-06 | A kind of preparation method of vanadium-titanium magnitite sinter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104694738B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105886754A (en) * | 2016-04-12 | 2016-08-24 | 攀钢集团攀枝花钢铁研究院有限公司 | Production method for acidic vanadium-titanium sintered ores |
| CN107782147A (en) * | 2016-08-30 | 2018-03-09 | 河南凤宝特钢有限公司 | A kind of method for reducing pallet burnup |
| CN112322889A (en) * | 2020-11-20 | 2021-02-05 | 攀钢集团研究院有限公司 | Method for producing sinter of vanadium-titanium-iron concentrate |
| CN112836855A (en) * | 2021-01-05 | 2021-05-25 | 重庆科技学院 | Blast furnace gas utilization rate fluctuation situation prediction method, system and computer equipment |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2709769C2 (en) * | 1977-03-07 | 1986-01-30 | Metallgesellschaft Ag, 6000 Frankfurt | Process for sintering iron ore mixtures |
| CN85200549U (en) * | 1985-04-01 | 1986-01-29 | 冶金工业部长沙黑色冶金矿山设计研究院 | Sintering ignition device with the utilization of low-heat-value gas as fule |
| CN101503759A (en) * | 2009-03-12 | 2009-08-12 | 首钢总公司 | Sintering ignition technique utilizing residual heat |
| CN101532084B (en) * | 2009-04-23 | 2011-06-29 | 攀钢集团钢铁钒钛股份有限公司 | Method for charging iron ore sintering fuel |
-
2013
- 2013-12-06 CN CN201310655665.1A patent/CN104694738B/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105886754A (en) * | 2016-04-12 | 2016-08-24 | 攀钢集团攀枝花钢铁研究院有限公司 | Production method for acidic vanadium-titanium sintered ores |
| CN107782147A (en) * | 2016-08-30 | 2018-03-09 | 河南凤宝特钢有限公司 | A kind of method for reducing pallet burnup |
| CN112322889A (en) * | 2020-11-20 | 2021-02-05 | 攀钢集团研究院有限公司 | Method for producing sinter of vanadium-titanium-iron concentrate |
| CN112836855A (en) * | 2021-01-05 | 2021-05-25 | 重庆科技学院 | Blast furnace gas utilization rate fluctuation situation prediction method, system and computer equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104694738B (en) | 2017-08-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103173636B (en) | Antimony sulfide concentrate oxygen-enriched melting tank melting method | |
| CN104060083B (en) | Sintering method of vanadium titanium magnetite | |
| CN102220440B (en) | Vanadium-titanium magnetite blast furnace smelting method capable of improving vanadium yield | |
| CN104673951A (en) | Blast furnace smelting method by using vanadium-titanium two-phase sintering ore | |
| CN104894322B (en) | The method and its device of a kind of multilayer slag fused reduction iron-smelting | |
| CN102732655B (en) | Blast furnace ironmaking method | |
| CN104694738A (en) | A preparing method of vanadium-titanium sintered ore | |
| WO2009125814A1 (en) | Agglomerate, containing titanium oxide, for manufacturing granular metallic iron | |
| CN104846191A (en) | Vanadium-titanium sinter and preparation method thereof | |
| CN109652643A (en) | High quality sinter and preparation method thereof for COREX ironmaking technique of fusion and reduction | |
| CN109295316A (en) | The recovery process of vanadium in vanadium containing steel slag | |
| EP3099830B1 (en) | Composite iron pellets | |
| CN108265140A (en) | A kind of blast furnace efficiently arranges zinc method | |
| CN102482730A (en) | Unfired carbon-containing agglomerate for blast furnaces and production method therefor | |
| CN107488784B (en) | A kind of blast furnace ironmaking superfluxed pellets and its production method | |
| CN101724727B (en) | Short-flow rotary hearth furnace continuous steelmaking method comprehensively utilizing resources | |
| CN103725877A (en) | Method for recycling converter steelmaking dust | |
| CN102839281A (en) | Method of producing titanium-bearing metallic pellets used for protecting blast furnace with rotary hearth furnace through direct reduction | |
| CN104673996A (en) | Sintering mixture and vanadium-titanium sinter as well as preparation method of vanadium-titanium sinter | |
| CN104911339A (en) | Vanadium titanium sinter and preparation method thereof | |
| JP2000192153A (en) | Sintered ore and production thereof, and operation of blast furnace | |
| CN102337444A (en) | Technology for producing vanadium chromium manganese alloyed pig iron by melting vanadium extraction tailings | |
| CN107142120A (en) | High-reactivity coke and preparation method thereof | |
| CN107043836A (en) | A kind of method of blast furnace ironmaking | |
| CN103881741A (en) | Pulverized coal activator and method for coking |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170801 Termination date: 20171206 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |